WO2023166978A1 - 加工安定剤、有機材料組成物、及び有機材料の安定化方法 - Google Patents
加工安定剤、有機材料組成物、及び有機材料の安定化方法 Download PDFInfo
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- WO2023166978A1 WO2023166978A1 PCT/JP2023/005115 JP2023005115W WO2023166978A1 WO 2023166978 A1 WO2023166978 A1 WO 2023166978A1 JP 2023005115 W JP2023005115 W JP 2023005115W WO 2023166978 A1 WO2023166978 A1 WO 2023166978A1
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- carbon atoms
- compound
- hydrogen atom
- alkyl group
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- 235000007680 β-tocopherol Nutrition 0.000 description 1
- 239000002478 γ-tocopherol Substances 0.000 description 1
- QUEDXNHFTDJVIY-UHFFFAOYSA-N γ-tocopherol Chemical class OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-UHFFFAOYSA-N 0.000 description 1
- QUEDXNHFTDJVIY-DQCZWYHMSA-N γ-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-DQCZWYHMSA-N 0.000 description 1
- 239000002446 δ-tocopherol Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6571—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and oxygen atoms as the only ring hetero atoms
- C07F9/6574—Esters of oxyacids of phosphorus
- C07F9/65744—Esters of oxyacids of phosphorus condensed with carbocyclic or heterocyclic rings or ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/06—Phosphorus compounds without P—C bonds
- C07F9/08—Esters of oxyacids of phosphorus
- C07F9/141—Esters of phosphorous acids
- C07F9/145—Esters of phosphorous acids with hydroxyaryl compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
- C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/527—Cyclic esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
- C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
- C09K15/32—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing two or more of boron, silicon, phosphorus, selenium, tellurium or a metal
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K15/00—Anti-oxidant compositions; Compositions inhibiting chemical change
- C09K15/04—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds
- C09K15/32—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing two or more of boron, silicon, phosphorus, selenium, tellurium or a metal
- C09K15/322—Anti-oxidant compositions; Compositions inhibiting chemical change containing organic compounds containing two or more of boron, silicon, phosphorus, selenium, tellurium or a metal containing only phosphorus
Definitions
- the present invention provides a processing stabilizer containing a specific phenolic compound and an amine compound having a hydroxyalkyl group, an organic material composition containing a specific phenolic compound and an amine compound having a hydroxyalkyl group, and a specific phenolic compound. and a method for stabilizing an organic material using an amine compound having a hydroxyalkyl group.
- Organic materials such as thermoplastic resins, thermosetting resins, natural or synthetic rubbers, mineral oils, lubricating oils, adhesives, and paints are degraded by the action of heat and oxygen during manufacturing, processing, and use.
- Phenomena such as scission and molecular cross-linking may lead to deterioration of strength and physical properties of organic materials, changes in fluidity, coloration, deterioration of surface physical properties, and the like, which may significantly impair commercial value.
- Patent Documents 1 and 2 Various phenolic antioxidants and phosphorus antioxidants have been developed for the purpose of preventing such deterioration due to heat or oxygen, and it is known that organic materials can be stabilized by adding these to organic materials.
- processing stabilizers of various organic materials are known as described above, organic materials are used in a variety of environments and may be exposed to combustion gases of fossil fuels, such as, for example, automobile exhaust fumes. In that case, oxidizing gases such as nitrogen oxides contained in the combustion gas may promote discoloration of the organic material. Therefore, there is still a demand for a processing stabilizer that has a processing stabilizing effect and is resistant to discoloration caused by oxidizing gases such as NOx gas.
- Patent Document 1 the phosphite ester compounds (Examples 1 to 10) of chemical formulas 1 to 12 corresponding to the specific formula (I) are P-1 and Compared to P-3 phosphite compound (Comparative Examples 1 and 2), although it is shown that the coloring due to NOx gas is small, the effect of reducing coloring due to NOx gas may not be sufficient. There is still a need for further improvements in color reduction.
- Patent Document 2 describes a processing stabilizer containing a specific compound represented by formula (I) and a specific compound represented by formula (II), there is nothing about coloring by NOx gas. No attention has been paid to this, and there have been cases where the coloring due to NOx gas cannot be sufficiently reduced. Accordingly, an object of the present invention is to provide a processing stabilizer that is effective in improving thermal stability during processing of organic materials and that is resistant to discoloration caused by oxidizing gases, particularly NOx gas.
- the present inventors have made detailed studies on various compounds in order to solve the above problems, and found that a mixture of specific phenolic compounds (I) and (II) and an amine compound (A) having a hydroxyalkyl group is The present inventors have found that it is effective for improving the stability of resins and that discoloration due to oxidizing gases such as NOx gas is less likely to occur, leading to the completion of the present invention.
- the alkanolamine has the formula (III): [In formula (III), Y 1 , Y 2 and Y 3 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an alkyl group having 1 to 8 carbon atoms and having at least one hydroxyl group; provided that at least one of Y 1 to Y 3 represents an alkyl group having 1 to 8 carbon atoms and having at least one hydroxyl group] or formula (IV): [In formula (IV), Y 4 , Y 5 , Y 6 and Y 7 are each independently a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and having at least one hydroxyl group, group, provided that at least one of Y 4 to Y 7 represents an alkyl group having 1 to 8 carbon atoms and having at least
- Y 1 , Y 2 and Y 3 in formula (III) and Y 4 , Y 5 , Y 6 and Y 7 in formula (IV) are each independently -CH 2 -CH(OH)-
- the organic material composition according to [6] which contains the processing stabilizer according to any one of [1] to [5] as compound (I), compound (II) and amine compound (A).
- the organic material composition according to [6] or [7], wherein the organic material is a thermoplastic resin.
- the organic material composition of [8], wherein the thermoplastic resin is polyolefin or engineering plastic.
- the content of compound (II) is 0.005 to 4 parts by mass with respect to 100 parts by mass of compound (I) by combining compound (II) represented by and amine compound (A) having a hydroxy
- the present invention it is possible to provide a processing stabilizer that is effective in improving thermal stability when processing organic materials and that is resistant to discoloration caused by oxidizing gases, especially NOx gas.
- the organic material composition of the present invention has high thermal stability and is resistant to discoloration caused by oxidizing gas, especially NOx gas.
- the processing stabilizer of the present invention which contains compound (II) and amine compound (A) in specific amounts in addition to compound (I), is effective in improving thermal stability during processing of organic materials. , Resistant to discoloration caused by oxidizing gas. Although the reason for this is not clear, when compound (I), compound (II) and amine compound (A) are used together in specific amounts, compound (I) and compound (II) are colored particularly by oxidizing gas. It is thought that the change into substances is suppressed. When a phenolic compound is discolored by an oxidizing gas, it is considered that the phenolic compound changes to a quinone form. It is surprising that this can be prevented by using compound (A) in a specific amount. It should be noted that the present invention is by no means limited to the above mechanism.
- the processing stabilizer of the present invention comprises at least one compound (I) represented by formula (I) above.
- R 1 , R 2 , R 4 and R 5 in formula (I) are each independently a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, or 6 to 12 carbon atoms. represents an alkylcycloalkyl group, an aralkyl group having 7 to 12 carbon atoms, or a phenyl group.
- alkyl groups having 1 to 8 carbon atoms include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, t-butyl group, n-pentyl group and t-pentyl group. , 2-methyl-butyl, 3-methylbutyl, 2-ethyl-propyl, n-hexyl, n-heptyl, isoheptyl, n-octyl, isooctyl, and 2-ethyl-hexyl and the like.
- the cycloalkyl group having 5 to 8 carbon atoms includes a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, a cyclooctyl group, and the like.
- alkylcycloalkyl groups having 6 to 12 carbon atoms examples include 1-methylcyclopentyl group, 1-methylcyclohexyl group and 1-methyl-4-i-propylcyclohexyl group.
- Aralkyl groups having 7 to 12 carbon atoms include a benzyl group, an ⁇ -methylbenzyl group and an ⁇ , ⁇ -dimethylbenzyl group.
- R 1 , R 2 and R 4 are preferably an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, or an alkylcycloalkyl group having 6 to 12 carbon atoms.
- R 1 and R 4 are more preferably a t-alkyl group such as a t-butyl group, a t-pentyl group and a t-octyl group, a cyclohexyl group or a 1-methylcyclohexyl group.
- R 2 is more preferably methyl group, ethyl group, n-propyl group, i-propyl group, n-butyl group, i-butyl group, sec-butyl group, t-butyl group, t-pentyl group and the like. is an alkyl group having 1 to 5 carbon atoms, more preferably a methyl group, a t-butyl group or a t-pentyl group.
- R 5 is preferably a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or a cycloalkyl group having 5 to 8 carbon atoms, more preferably a hydrogen atom, a methyl group, an ethyl group, an n-propyl group, C1-C5 alkyl groups such as i-propyl, n-butyl, i-butyl, sec-butyl, t-butyl and t-pentyl groups.
- Each R 3 in formula (I) independently represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms. Examples of the alkyl group having 1 to 8 carbon atoms are the same as those described above. R 3 is preferably a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, more preferably a hydrogen atom or a methyl group.
- X in formula (I) is a single bond, a sulfur atom or a —CH(—R 6 )— group (R 6 is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms or a cycloalkyl group having 5 to 8 carbon atoms. represents). Examples of the alkyl group having 1 to 8 carbon atoms and the cycloalkyl group having 5 to 8 carbon atoms represented by R 6 are the same as those described above.
- X is preferably substituted with an alkyl group having 1 to 4 carbon atoms such as methyl group, ethyl group, n-propyl group, i-propyl group, n-butyl group, i-butyl group, and t-butyl group It is a methylene group or a single bond, more preferably a single bond.
- the alkylene group having 1 to 8 carbon atoms include methylene group, ethylene group, propylene group, butylene group, pentamethylene group, hexamethylene group, octamethylene group and 2,2-dimethyl-1,3-propylene group. mentioned.
- A is preferably a propylene group.
- R7 is preferably a single bond or an ethylene group.
- One of Y and Z in formula (I) represents a hydroxyl group, an alkoxy group having 1 to 8 carbon atoms or an aralkyloxy group having 7 to 12 carbon atoms, and the other represents a hydrogen atom or 1 to 1 carbon atoms.
- examples of the alkyl group having 1 to 8 carbon atoms are the same as those described above.
- the aralkyloxy group having 7 to 12 carbon atoms includes benzyloxy group, ⁇ -methylbenzyloxy group, ⁇ , ⁇ -dimethylbenzyloxy group and the like.
- One of Y and Z is preferably a hydroxyl group and the other is a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, more preferably Y is a hydroxyl group and Z is a hydrogen atom or 1 to 8 carbon atoms. is an alkyl group of
- the processing stabilizer of the present invention may contain one type of compound (I) represented by formula (I) above, or two or more types of compound (I) represented by formula (I). may contain.
- compound (I) examples include 2,4,8,10-tetra-t-butyl-6-[3-(3-methyl-4-hydroxy-5-t-butylphenyl)propoxy]dibenzo [d,f][1,3,2]dioxaphosphepin, 6-[3-(3,5-di-t-butyl-4-hydroxyphenyl)propoxy]-2,4,8,10- Tetra-t-butyldibenzo[d,f][1,3,2]dioxaphosphepin, 6-[3-(3,5-di-t-butyl-4-hydroxyphenyl)propoxy]-4, 8-di-t-butyl-2,10-dimethyl-12H-dibenzo[d,g][1,3,2]dioxaphosphosine, 6-[3-(3,5-di-t-butyl- 4-hydroxyphenyl)propionyloxy]-4,8-di-t-butyl-2,10-d
- Compound (I) is preferably 2,4,8,10-tetra-t-butyl-6-[3-(3-methyl-4-hydroxy-5-t-butylphenyl)propoxy]dibenzo[d,f ][1,3,2]dioxaphosphepin.
- a commercial item can also be used as compound (I).
- Commercially available products include Sumilizer (registered trademark) GP (manufactured by Sumitomo Chemical Co., Ltd.).
- the processing stabilizer of the present invention comprises at least one compound (II) represented by formula (II) above.
- Compound (II) includes 6-oxo-2,4,8,10-tetra-t-butyl-dibenzo[d,f][1,3,2]dioxaphosphepine, 6-oxo-4, 8-di-t-butyl-2,10-dimethyl-dibenzo[d,g][1,3,2]dioxaphosphepin, 6-oxo-2,4,8,10-tetra-t-butyl -dibenzo[d,f][1,3,2]dioxaphosphosine, 6-oxo-4,8-di-t-butyl-2,10-dimethyl-dibenzo[d,g][1,3, 2] dioxaphosphosine, 6-oxo-4,8-di-t-butyl-2,10-dimethyl-12H-dibenzo[d,g][1,3,2]dioxaphosphepin, 6- oxo-4,8-di
- Compound (II) can be produced, for example, according to the description in US Pat. No. 5,475,042 (Examples 1 and 2).
- the content of compound (II) is 0.005 to 4 parts by mass with respect to 100 parts by mass of compound (I). If the content of compound (II) is less than 0.005 parts by mass, the thermal stability during processing of the organic material cannot be sufficiently improved, and discoloration due to oxidizing gas can be sufficiently prevented. can't Moreover, when the content of compound (II) exceeds 4 parts by mass, discoloration due to oxidizing gas cannot be sufficiently prevented.
- the content of compound (II) relative to 100 parts by mass of compound (I) is preferably from the viewpoint of easily improving the thermal stability during processing of the organic material and from the viewpoint of easily enhancing the effect of preventing discoloration due to oxidizing gas.
- the content is preferably 3 parts by mass or less, more preferably 2 parts by mass or less, from the viewpoint of easily improving the thermal stability when processing the organic material and from the viewpoint of easily preventing discoloration due to oxidizing gas. , more preferably 1.5 parts by mass or less.
- the content of compound (II) with respect to 100 parts by mass of compound (I) may be calculated using an analysis device such as liquid chromatography, or the processing stabilizer or organic material composition It may be calculated from the charging ratio when preparing the product.
- an analysis device such as liquid chromatography
- the processing stabilizer or organic material composition It may be calculated from the charging ratio when preparing the product.
- the processing stabilizer of the present invention comprises at least one amine compound having a hydroxyalkyl group.
- An amine compound having a hydroxyalkyl group is also referred to herein as an amine compound (A).
- the amine compound (A) one type of amine compound having a hydroxyalkyl group may be used, or two or more types of amine compounds may be used.
- the amine compound (A) is a compound having at least one nitrogen atom and at least one linear or branched alkyl group having at least one hydroxyl group.
- the amine compound (A) preferably has (A1) one or two hydrogen atoms among the three hydrogen atoms of ammonia substituted with a hydroxyalkyl group, and the remaining hydrogen atoms are not substituted, or , an aliphatic group, a compound substituted with a substituent such as an aromatic group, (A2) a compound in which all three hydrogen atoms of ammonia are substituted with a hydroxyalkyl group, (A3) two nitrogen atoms of an alkylene group (preferably an alkylene group having 1 to 4 carbon atoms), one of the four hydrogen atoms bonded to the nitrogen atom, two, or three hydrogen atoms are substituted with a hydroxyalkyl group, and the remaining A compound in which a hydrogen atom is unsubstituted or substituted with a substituent such
- amine compound (A) is an alkanolamine.
- Alkanolamine is a saturated aliphatic amine having a hydroxyl group in the molecule.
- the amine compound (A) may be a primary amine compound, a secondary amine, or a tertiary amine, preferably a tertiary amine compound. is.
- amine compound (A) is preferably an alkanolamine, more preferably of formula (III):
- Y 1 , Y 2 and Y 3 each independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an alkyl group having 1 to 8 carbon atoms and having at least one hydroxyl group; provided that at least one of Y 1 to Y 3 represents an alkyl group having 1 to 8 carbon atoms and having at least one hydroxyl group] or formula (IV):
- Y 4 , Y 5 , Y 6 and Y 7 are each independently a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and having at least one hydroxyl group, group, provided that at least one of Y 4 to Y 7 represents an alkyl group having 1 to 8 carbon atoms and having at least one hydroxyl group
- B represents an alkylkyl group having 1 to 8 carbon atoms and having at
- alkyl groups having 1 to 8 carbon atoms include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, t-butyl group, n-pentyl group and t-pentyl group. , 2-methyl-butyl, 3-methylbutyl, 2-ethyl-propyl, n-hexyl, n-heptyl, isoheptyl, n-octyl, isooctyl, and 2-ethyl-hexyl and the like.
- the number of carbon atoms in the alkyl group is preferably 1-6, more preferably 1-4.
- alkyl groups having 1 to 8 carbon atoms and having at least one hydroxyl group include groups in which at least one hydrogen atom is substituted with a hydroxyl group in the alkyl groups exemplified above. Specific examples include a hydroxymethyl group, a hydroxyethyl group, a hydroxypropyl group, a hydroxybutyl group and the like.
- the number of hydroxyl groups in the alkyl group having 1 to 8 carbon atoms and having at least one hydroxyl group is preferably 1 to 3, more preferably 1 or 2, still more preferably 1.
- alkylene group having 1 to 4 carbon atoms examples include methylene group, ethylene group, n-propylene group, isopropylene group, n-butylene group and isobutylene group.
- the alkylene group having 1 to 4 carbon atoms is preferably a linear alkylene group having 1 to 4 carbon atoms, more preferably a methylene group, an ethylene group, or an n-propylene group, still more preferably a methylene group or It is an ethylene group, and more preferably an ethylene group.
- the alkylene group preferably has 1 to 3 carbon atoms, more preferably 1 or 2 carbon atoms, and still more preferably 2 carbon atoms.
- Specific examples of the compound represented by formula (III) include monoethanolamine, diethanolamine, triethanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, tributanolamine, tripentanolamine, methylethanol amine, methylisopropanolamine, methyldiethanolamine, methyldiisopropanolamine, diethanolisopropanolamine, diisopropanolethanolamine, tris(2-hydroxybutyl)amine and the like.
- Specific examples of the compound represented by formula (IV) include tetrahydroxyethylethylenediamine, N,N,N',N'-tetrakis(2-hydroxypropyl)ethylenediamine, and the like.
- Y 1 , Y 2 and Y 3 in formula (III) and Y 4 , Y 5 , Y 6 and Y 7 in formula (IV) are preferably each independently -CH 2 -CH(OH)- R 6 [In the formula, R 6 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms].
- the content of amine compound (A) is 0.01 to 15 parts by mass with respect to 100 parts by mass of compound (I). If the content of the amine compound (A) is less than 0.01 parts by mass, discoloration due to oxidizing gas cannot be sufficiently prevented. Moreover, when the content of compound (II) exceeds 15 parts by mass, discoloration due to oxidizing gas cannot be sufficiently prevented.
- the content of the amine compound (A) with respect to 100 parts by mass of the compound (I) is preferably 0.05 parts by mass or more, more preferably 0.1 parts by mass or more, from the viewpoint of easily preventing discoloration due to oxidizing gas. Preferably, it is 0.5 parts by mass or more.
- the content is preferably 12 parts by mass or less, more preferably 10 parts by mass or less, and even more preferably 7 parts by mass or less. From the viewpoint of further enhancing the effect of preventing discoloration due to oxidizing gas, the content may be, for example, 4% by mass or less, 3% by mass or less, or 2% by mass or less.
- the content of the amine compound (A) with respect to 100 parts by mass of the compound (I) may be calculated using an analytical device such as liquid chromatography, and the processing stabilizer or organic material It may be calculated from the charging ratio when preparing the composition.
- processing stabilizer of the present invention containing compound (I) and specific amounts of compound (II) and amine compound (A) to an organic material such as a thermoplastic resin, heat deterioration of the organic material Also, it is possible to reduce oxidative deterioration and stabilize the organic material, and for example, to prevent a decrease in viscosity and coloration. Furthermore, the processing stabilizer of the present invention can prevent discoloration due to oxidizing gas.
- the processing stabilizer is a material containing only compound (I) represented by formula (I), compound (II) represented by formula (II), and amine compound (A) in the above proportions.
- the processing stabilizer of the present invention may also be a material containing at least one organic material in addition to compound (I), compound (II) and amine compound (A). Such materials are also called masterbatches, for example.
- Organic material composition and method for stabilizing organic material By adding the processing stabilizer of the present invention to an organic material, or compound (I) represented by formula (I), compound (II) represented by formula (II), and amine compound (A) By adding at a specific ratio, it is possible to reduce the thermal deterioration and oxidative deterioration of the organic material, stabilize the organic material, for example, can prevent viscosity reduction, and also prevent coloring. Furthermore, discoloration due to oxidizing gas can be prevented. Therefore, the processing stabilizer of the present invention is suitable as a stabilizer for organic materials.
- the present invention provides a method for stabilizing an organic material by adding the above processing stabilizer, compound (I) represented by formula (I), compound (II) represented by formula (II), and an amine compound ( A method for stabilizing an organic material is also provided in which A) is added in a specific proportion. Furthermore, the organic material and the processing stabilizer of the present invention, or compound (I) represented by formula (I), compound (II) represented by formula (II), and amine compound (A) in a specific ratio Also provided is a stabilized organic material composition comprising:
- the organic material may be one kind of organic material or a mixture of two or more kinds of organic materials.
- polyethylene such as high density polyethylene (HD-PE), low density polyethylene (LD-PE), linear low density polyethylene (LLDPE); (2) polypropylene, (3) methylpentene polymer, (4) EEA (ethylene/ethyl acrylate copolymer) resin, (5) ethylene/vinyl acetate copolymer resin, (6) polystyrenes such as polystyrene, poly(p-methylstyrene), poly( ⁇ -methylstyrene), (7) AS (acrylonitrile/styrene copolymer) resin, (8) ABS (acrylonitrile/butadiene/styrene copolymer) resin, (9) AAS (special acrylic rubber/acrylonitrile/styrene copolymer) resin, (10) ACS (acrylonitrile/chlorinated polyethylene/styrene copolymer) resin,
- HD-PE high density polyethylene
- LD-PE low density polyethylene
- LLDPE linear low density
- thermoplastic resins such as aromatic polyester resins, (25) epoxy resin, (26) diallyl phthalate prepolymer, (27) silicone resins, (28) unsaturated polyester resins, (29) acrylic-modified benzoguanamine resin, (30) benzoguanamine/melamine resins, (31) thermosetting resins such as urea resins,
- thermoplastic resins especially polyethylene, polyolefins such as HD-PE, LD-PE, LLDPE and polypropylene, and engineering plastics such as polyamide, polyethylene terephthalate, polybutylene terephthalate and polycarbonate.
- the polyolefin is not particularly limited.
- it may be obtained by radical polymerization, or may be produced by polymerization using a catalyst containing a metal of Group IVb, Vb, VIb or VIII of the periodic table.
- Catalysts containing such metals include metal complexes having one or more ligands, such as oxides, halides, alcoholates, esters, aryls, etc. coordinated by ⁇ or ⁇ bonds. These complexes may be metal complexes as they are, or may be supported on a substrate such as magnesium chloride, titanium chloride, alumina, or silicon oxide.
- polyolefins those produced using, for example, Ziegler-Natta catalysts, TNZ catalysts, metallocene catalysts, Phillips catalysts, etc. are preferably used.
- the polyamide resin has an amide bond in the polymer chain and can be melted by heating.
- the polyamide resin may be produced by any method, and examples thereof include those produced by condensation reaction of diamines and dicarboxylic acids, condensation reaction of aminocarboxylic acids, ring-opening polymerization of lactams, and the like.
- Examples of polyamide resins include nylon 66, nylon 69, nylon 610, nylon 612, polybis-(p-aminocyclohexyl)methandodedecamide, nylon 46, nylon 6, nylon 12, and copolymers of nylon 66 and nylon 6. and copolymers such as nylon 66/6 and nylon 6/12.
- the polyester resin has an ester bond in the polymer chain and can be melted by heating.
- Examples thereof include polyesters obtained by polycondensation of dicarboxylic acids and dihydroxy compounds.
- the polyester resin may be either homopolyester or copolyester.
- the polycarbonate resin has a carbonate bond in the polymer chain and can be melted by heating.
- Compounds include polycarbonates obtained by reacting carbonate precursors such as phosgene and diphenyl carbonate.
- the polycarbonate resin may be linear or branched, and may be a copolymer.
- the organic material By adding the compound (I) represented by formula (I), the compound (II) represented by formula (II), and the amine compound (A) to the organic material, the organic material can be stabilized. At the same time, discoloration of the organic material due to oxidizing gas can be prevented.
- the compound (I), the compound (II) and the amine compound (A) are added to the organic material, and the content of the compound (II) with respect to 100 parts by mass of the compound (I) is 0.005 to 4 parts by mass, and the compound ( I) The amount of amine compound (A) added is 0.01 to 15 parts by mass per 100 parts by mass.
- the content of compound (II) with respect to 100 parts by mass of compound (I) is the synergistic stability of the organic material composition by using the compound (I) and the compound (II) in combination from the viewpoint of meterability during use.
- it is preferably at least 0.01 part by mass, more preferably at least 0.03 part by mass, and even more preferably at least 0.05 part by mass.
- it is preferably 3 parts by mass or less, more preferably 2 parts by mass or less, and still more preferably 1.5 parts by mass. It is below.
- the content of the amine compound (A) with respect to 100 parts by mass of the compound (I) is preferably 0.05 parts by mass or more, more preferably 0.1 parts by mass or more, from the viewpoint of easily preventing discoloration due to oxidizing gas.
- the amount is preferably 0.5 parts by mass or more, and is preferably 12 parts by mass or less, more preferably 10 parts by mass or less, and even more preferably 7 parts by mass or less from the viewpoint of easily preventing discoloration due to oxidizing gas.
- the content may be, for example, 4% by mass or less, 3% by mass or less, or 2% by mass or less.
- the compound (I) represented by formula (I) and the compound (II) represented by formula (II) may be added to the organic material by adding the processing stabilizer of the present invention. In either case, the compound (I) and the compound (II) are contained in a specific quantitative ratio in the organic material.
- a processing stabilizer or a compound (I) represented by formula (I), a compound (II) represented by formula (II), and an amine compound (A) are added to an organic material to obtain the organic material.
- the total weight of compound (I), compound (II) and amine compound (A) is preferably 0.005 mass with respect to 100 parts by mass of the organic material from the viewpoint of stabilizing the organic material. parts or more, more preferably 0.01 parts by mass or more, and still more preferably 0.05 parts by mass or more. Further, the total weight of the compound (I), the compound (II) and the amine compound (A) is usually 5 parts by mass per 100 parts by mass of the organic material from the viewpoint of efficiently stabilizing the organic material and being economical. Below, it is preferably 3 parts by mass or less, more preferably 1 part by mass or less.
- additives such as phenolic antioxidants, sulfuric antioxidants, phosphorus antioxidants, anti-aging agents, UV absorbers, light stabilizers, peroxide scavengers, polyamide stabilizers, hydroxylamines, lubricants, plasticizers , flame retardants, nucleating agents, metal deactivators, antistatic agents, pigments, fillers, anti-blocking agents, surfactants, processing aids, foaming agents, emulsifiers, brighteners, calcium stearate, hydrotalcite, etc.
- Additives such as phenolic antioxidants, sulfuric antioxidants, phosphorus antioxidants, anti-aging agents, UV absorbers, light stabilizers, peroxide scavengers, polyamide stabilizers, hydroxylamines, lubricants, plasticizers , flame retardants, nucleating agents, metal deactivators, antistatic agents, pigments, fillers, anti-blocking agents, surfactants, processing aids, foaming agents, emulsifiers, brighteners
- additives can be added to the organic material at the same time as the compounds (I) and (II) and the amine compound (A) contained in the organic material composition of the present invention, or they can be added to the organic material composition of the present invention. It can also be added to the organic material in a separate step from the compounds (I) and (II) and the amine compound (A) contained therein.
- one type of additive may be used, or two or more types of additives may be used in combination.
- phenolic antioxidants include the following.
- the following compounds may be used alone, or two or more of them may be used in combination.
- alkylthiomethylphenols 2,4-dioctylthiomethyl-6-t-butylphenol, 2,4-dioctylthiomethyl-6-methylphenol, 2,4-dioctylthiomethyl-6-ethylphenol, 2, 6-didodecylthiomethyl-4-nonylphenol and mixtures thereof and the like.
- hydroquinones and alkylated hydroquinones 2,6-di-t-butyl-4-methoxyphenol, 2,5-di-t-butylhydroquinone, 2,5-di-t-amylhydroquinone, 2,6 -diphenyl-4-octadecyloxyphenol, 2,6-di-t-butylhydroquinone, 2,5-di-t-butyl-4-hydroxyanisole, 3,5-di-t-butyl-4-hydroxyphenyl stear bis(3,5-di-t-butyl-4-hydroxyphenyl)adipate and mixtures thereof.
- tocopherols ⁇ -tocopherol, ⁇ -tocopherol, ⁇ -tocopherol, ⁇ -tocopherol and mixtures thereof.
- hydroxylated thiodiphenyl ethers 2,2'-thiobis(6-t-butylphenol), 2,2'-thiobis(4-methyl-6-t-butylphenol), 2,2'-thiobis(4- octylphenol), 4,4'-thiobis(3-methyl-6-t-butylphenol), 4,4'-thiobis(2-methyl-6-t-butylphenol), 4,4'-thiobis(3,6- di-t-amylphenol), 4,4'-(2,6-dimethyl-4-hydroxyphenyl)disulfide and the like.
- alkylidenebisphenol and derivatives thereof 2,2'-methylenebis(4-methyl-6-t-butylphenol), 2,2'-methylenebis(4-ethyl-6-t-butylphenol), 2,2' -methylenebis[4-methyl-6-( ⁇ -methylcyclohexyl)phenol)], 2,2'-methylenebis(4-methyl-6-cyclohexylphenol), 2,2'-methylenebis(4-methyl-6-nonylphenol) ), 2,2′-methylenebis(4,6-di-t-butylphenol), 2,2′-ethylidenebis(4,6-di-t-butylphenol), 2,2′-ethylidenebis(4-isobutyl -6-t-butylphenol), 2,2'-methylenebis[6-( ⁇ -methylbenzyl)-4-nonylphenol], 2,2'-methylenebis[4,6-( ⁇ , ⁇ -dimethylbenzyl)-4 -
- hydroxybenzylated malonate derivatives Dioctadecyl-2,2-bis(3,5-di-t-butyl-2-hydroxybenzyl)malonate, dioctadecyl-2-(3-t-butyl-4- hydroxy-5-methylbenzyl)malonate, didodecylmercaptoethyl-2,2-bis(3,5-di-t-butyl-4-hydroxybenzyl)malonate, bis[4-(1,1,3,3- tetramethylbutyl)phenyl]-2,2-bis(3,5-di-t-butyl-4-hydroxybenzyl)malonate and mixtures thereof and the like.
- benzylphosphonate derivatives Dimethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate, diethyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate, dioctadecyl-3,5 -di-t-butyl-4-hydroxybenzylphosphonate, dioctadecyl-5-t-butyl-4-hydroxy-3-methylbenzylphosphonate, 3,5-di-t-butyl-4-hydroxybenzylphosphonic acid monoester and mixtures thereof.
- acylaminophenol derivatives 4-hydroxylauric anilide, 4-hydroxystearic anilide, octyl-N-(3,5-di-t-butyl-4-hydroxyphenyl)carbanate and mixtures thereof.
- esters of ⁇ -(3,5-di-t-butyl-4-hydroxyphenyl)propionic acid with the following monohydric or polyhydric alcohols methanol, ethanol, octanol, octadecanol, ethylene glycol, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, 1,9-nonanediol, neopentyl glycol, diethylene glycol, thioethylene glycol, spiroglycol, triethylene glycol, pentaerythritol, tris ( hydroxyethyl)isocyanurate, N,N'-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2 ,6,7-trioxabi
- esters of ⁇ -(5-t-butyl-4-hydroxy-3-methylphenyl)propionic acid with the following monohydric or polyhydric alcohols methanol, ethanol, octanol, octadecanol, ethylene glycol, 1,3-propanediol, 1,4-butanediol, 1,6-hexanediol, 1,9-nonanediol, neopentyl glycol, diethylene glycol, thioethylene glycol, spiroglycol, triethylene glycol, pentaerythritol, tris ( hydroxyethyl)isocyanurate, N,N'-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2 ,6,7-trioxabicycl
- esters of ⁇ -(3,5-dicyclohexyl-4-hydroxyphenyl)propionic acid with the following monohydric or polyhydric alcohols methanol, ethanol, octanol, octadecanol, ethylene glycol, 1,3- Propanediol, 1,4-butanediol, 1,6-hexanediol, 1,9-nonanediol, neopentyl glycol, diethylene glycol, thioethylene glycol, spiroglycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl) isocyanate Nurate, N,N'-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7 - trioxabicyclo
- esters of 3,5-di-t-butyl-4-hydroxyphenylacetic acid with the following monohydric or polyhydric alcohols methanol, ethanol, octanol, octadecanol, ethylene glycol, 1,3-propane Diol, 1,4-butanediol, 1,6-hexanediol, 1,9-nonanediol, neopentyl glycol, diethylene glycol, thioethylene glycol, spiroglycol, triethylene glycol, pentaerythritol, tris(hydroxyethyl)isocyanurate , N,N'-bis(hydroxyethyl)oxamide, 3-thiaundecanol, 3-thiapentadecanol, trimethylhexanediol, trimethylolpropane, 4-hydroxymethyl-1-phospha-2,6,7- such as trioxabicyclo[2,2,2]oc
- sulfur-based antioxidants include the following. Dilauryl 3,3'-thiodipropionate, Tridecyl 3,3'-thiodipropionate, Dimyristyl 3,3'-thiodipropionate, Distearyl 3,3'-thiodipropionate, Lauryl stearyl 3,3 '-thiodipropionate, neopentanetetrayltetrakis (3-laurylthiopropionate) and the like.
- phosphorus-based antioxidants include the following.
- the following compounds may be used alone, or two or more of them may be used in combination.
- Antiaging agents include, for example, quinoline antiaging agents such as polymers of 2,2,4-trimethyl-1,2-dihydroquinoline; 2,6-di-t-butyl-4-methylphenol, styrenated monophenolic antioxidants such as phenol; bis, tris, polyphenolic antioxidants such as tetrakis-[methylene-3-(3',5'-di-t-butyl-4'-hydroxyphenyl)propionate]methane etc. These may be used alone or in combination of two or more. Among them, quinoline antioxidants are preferred.
- Examples of the ultraviolet absorber include the following.
- the ultraviolet absorber the following compounds may be used alone, or two or more of them may be used in combination.
- (1) Examples of salicylate derivatives Phenyl salicylate, 4-t-butylphenyl salicylate, 2,4-di-t-butylphenyl 3',5'-di-t-butyl-4'-hydroxybenzoate, 4-t- Octylphenyl salicylate, bis(4-t-butylbenzoyl)resorcinol, benzoylresorcinol, hexadecyl 3',5'-di-t-butyl-4'-hydroxybenzoate, octadecyl 3',5'-di-t-butyl- 4'-hydroxybenzoate, 2-methyl-4,6-di-t-butylphenyl 3',5'-di-t-butyl-4'-hydroxybenzoate and mixtures thereof and the like.
- 2-hydroxybenzophenone derivatives 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-octoxybenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone, bis( 5-benzoyl-4-hydroxy-2-methoxyphenyl)methane, 2,2',4,4'-tetrahydroxybenzophenone and mixtures thereof and the like.
- Examples of light stabilizers include the following. As the light stabilizer, the following compounds may be used alone, or two or more of them may be used in combination.
- (1) Examples of hindered amine light stabilizers Bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate, bis(2,2,6,6-tetramethyl-4-piperidyl) succinate, bis( 1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, bis(N-octoxy-2,2,6,6-tetramethyl-4-piperidyl) sebacate, bis(N-benzyloxy-2, 2,6,6-tetramethyl-4-piperidyl) sebacate, bis(N-cyclohexyloxy-2,2,6,6-tetramethyl-4-piperidyl) sebacate, bis(1,2,2,6,6) -pentamethyl-4-piperidyl) 2-(3,5-di-t-butyl-4-hydroxybenzyl)-2-butylmalonate
- oxamide-based light stabilizers 4,4'-dioctyloxyoxanilide, 2,2'-diethoxyoxanilide, 2,2'-dioctyloxy-5,5'-di-t-butyl anilide, 2,2'-didodecyloxy-5,5'-di-t-butylanilide, 2-ethoxy-2'-ethyloxanilide, N,N'-bis(3-dimethylaminopropyl)oxamide, 2-ethoxy-5-t-butyl-2'-ethoxyanilide, 2-ethoxy-5,4'-di-t-butyl-2'-ethyloxanilide and mixtures thereof and the like.
- metal deactivators include the following. N,N'-diphenyloxamide, N-salicylal-N'-salicyloylhydrazine, N,N'-bis(salicyloyl)hydrazine, N,N'-bis(3,5-di-t-butyl-4 -hydroxyphenylpropionyl)hydrazine, 3-salicyloylamino-1,2,4-triazole, bis(benzylidene)oxalyl dihydrazide, oxanilide, isophthaloyl dihydrazide, sebacoylbisphenylhydrazide, N,N'-bis(salicyloyl) ) oxalyl dihydrazide, N,N'-bis(salicyloyl)thiopropionyl dihydrazide and mixtures thereof.
- Peroxide scavengers include, for example, esters of ⁇ -thiodipropionic acid, mercaptobenzimidazole, zinc salt of 2-mercaptobenzimidazole, zinc salt of dibutyldithiocarbamic acid, dioctadecyl disulfide, pentaerythritol tetrakis( ⁇ -dodecylmercapto). Propionate and mixtures thereof and the like.
- Polyamide stabilizers include, for example, copper or divalent manganese salts of iodides or phosphorus compounds and mixtures thereof.
- hydroxylamine examples include N,N-dibenzylhydroxyamine, N,N-diethylhydroxyamine, N,N-dioctylhydroxyamine, N,N-dilaurylhydroxyamine, N,N-ditetradecylhydroxyamine, N,N-dihexadecylhydroxyamine, N,N-diotadecylhydroxyamine, N-hexadecyl-N-octadecylhydroxyamine, N-heptadecyl-N-octadecylhydroxyamine, mixtures thereof and the like.
- Neutralizing agents include, for example, calcium stearate, zinc stearate, magnesium stearate, hydrotalcite (basic magnesium-aluminum-hydroxy-carbonate-hydrate), melamine, amines, polyamides, polyurethanes and mixtures thereof. .
- lubricants include aliphatic hydrocarbons such as paraffin and wax, higher fatty acids having 8 to 22 carbon atoms, higher fatty acid metal (Al, Ca, Mg, Zn) salts having 8 to 22 carbon atoms, Fatty alcohols, polyglycols, esters of higher fatty acids with 4 to 22 carbon atoms and aliphatic monohydric alcohols with 4 to 18 carbon atoms, higher aliphatic amides with 8 to 22 carbon atoms, silicone oils, rosin derivatives, etc. be done.
- nucleating agents include the following. Sodium 2,2'-methylenebis(4,6-di-t-butylphenyl)phosphate, [-2,2'-methylenebis(4,6-di-t-butylphenyl)]dihydroxyaluminum phosphate, bis[ 2,2'-methylenebis(4,6-di-t-butylphenyl)]hydroxyaluminum phosphate, tris[2,2'-methylenebis(4,6-di-t-butylphenyl)]phosphate aluminum, sodium bis(4-t-butylphenyl)phosphate, benzoic acid metal salts such as sodium benzoate, p-t-butylaluminum benzoate, 1,3:2,4-bis(O-benzylidene)sorbitol, 1 ,3: 2,4-bis(O-methylbenzylidene)sorbitol, 1,3: 2,4-bis(O-ethylbenzylidene)sorbito
- Fillers include, for example, calcium carbonate, silicate, glass fiber, asbestos, talc, kaolin, mica, barium sulfate, carbon black, carbon fiber, zeolite and mixtures thereof.
- phenolic antioxidants include the following compounds. 2,6-di-t-butyl-4-methylphenol, 2,4,6-tri-t-butylphenol, 2,4-dioctylthiomethyl-6-methylphenol, 2,2'-thiobis(6-t -butylphenol), 4,4'-thiobis(3-methyl-6-t-butylphenol), 2,2'-methylenebis(4-methyl-6-t-butylphenol), 2,2'-methylenebis(4-ethyl -6-t-butylphenol), 2,2'-methylenebis[4-methyl-6-( ⁇ -methylcyclohexyl)phenol)], 2,2'-methylenebis(4-methyl-6-cyclohexylphenol), 2, 2'-methylenebis(4,6-di-t-buty
- Tris(nonylphenyl)phosphite tris(2,4-di-t-butylphenyl)phosphite, distearyl pentaerythritol diphosphite, bis(2,4-di-t-butylphenyl)pentaerythritol diphosphite, bis(2 ,4-di-t-butyl-6-methylphenyl)pentaerythritol diphosphite, bis(2,6-di-t-butyl-4-methylphenyl)pentaerythritol diphosphite, tetrakis(2,4-di-t-butyl phenyl)-4,4'-diphenylenediphosphonite, 2,2'-methylenebis(4,6-di-t-butylphenyl) 2-ethylhexyl phosphit
- Particularly preferred ultraviolet absorbers include the following compounds. Phenyl salicylate, 4-t-butylphenyl salicylate, 2,4-di-t-butylphenyl 3',5'-di-t-butyl-4'-hydroxybenzoate, 4-t-octylphenyl salicylate, 2,4 -dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-octoxybenzophenone, 2,2'-dihydroxy-4-methoxybenzophenone, bis(5-benzoyl-4-hydroxy-2-methoxyphenyl) Methane, 2,2',4,4'-tetrahydroxybenzophenone, 2-(2-hydroxy-5-methylphenyl)benzotriazole, 2-(3',5'-di-t-butyl-2'-hydroxy phenyl)benzotriazole, 2-(5'-t-butyl-2'-hydroxyphenyl)benzotriazole, 2-(2'
- Particularly preferred light stabilizers include the following compounds.
- the processing stabilizer of the present invention or a specific ratio of compound (I) represented by formula (I), compound (II) represented by formula (II), and amine compound (A), and optionally
- the other additives added in the method can be added to the organic material using any known method and equipment for obtaining a homogeneous mixture.
- the processing stabilizer of the present invention when the organic material is a solid polymer, the processing stabilizer of the present invention and/or other additives added as necessary are It can be dry blended directly into the solid polymer, or the processing stabilizers of the present invention and/or other optional additives can be added to the solid polymer in the form of a masterbatch. .
- the processing stabilizer of the present invention and/or other additives added as necessary are added to the polymer solution during or immediately after polymerization. Alternatively, it can be formulated in the form of a dispersion.
- the organic material is a liquid other than a solid polymer (for example, oil)
- the processing stabilizer of the present invention and/or other additives that are optionally added are added to the organic material.
- the processing stabilizer of the present invention and / or other additives that are optionally added can be added in a state of being dissolved or suspended in a liquid medium. can.
- the processing stabilizer of the present invention has excellent performance as a stabilizer for various organic materials including thermoplastic resins such as polyolefin.
- An organic material to which the processing stabilizer of the present invention is added, and a specific proportion of compound (I) represented by formula (I), compound (II) represented by formula (II), and amine compound (A) is stable against heat deterioration, oxidation deterioration, etc. during production, processing, and use, resulting in a high-quality product. Furthermore, discoloration of the organic material due to oxidizing gas can be prevented.
- Example 1 100 parts of LLDPE, 0.05 parts of calcium stearate (manufactured by Nitto Kasei Kogyo Co., Ltd.), 0.2 parts of compound I, 0.00006 parts of compound II, and 0.002 parts of amine compound A were dry blended, and the resulting mixture was Using a twin-screw extruder (BTN-32, PLABOR) with a cylinder diameter of 32 mm, the mixture was kneaded under nitrogen atmosphere at a temperature of 190° C. and a screw rotation speed of 80 rpm to obtain pellets.
- BTN-32, PLABOR twin-screw extruder
- Examples 2 to 7, Comparative Examples 1 to 5 Pellets were obtained in the same manner as in Example 1 except that the weight parts of compound I, compound II and amine compound A shown in Table 1 were dry-blended.
- the obtained pellets are kneaded in an air atmosphere using a single screw extruder (VS30-28 type extruder, manufactured by Tanabe Plastics Co., Ltd.) with a cylinder diameter of 30 mm under the conditions of a temperature of 280 ° C. and a screw rotation speed of 50 rpm.
- the operation of obtaining pellets was repeated 5 times, and the melt flow rate (MFR) of the obtained pellets was measured.
- MFR was measured using a melt indexer (model L246-3537, manufactured by Techno Seven Co., Ltd.) under conditions of a temperature of 190° C. and a load of 21.18 N. LLDPE undergoes cross-linking due to thermal processing, and its MFR decreases.
- processing stability was evaluated according to the following criteria. Table 2 shows the results. Evaluation criteria for processing stability ⁇ : 0.6 or more ⁇ : less than 0.6
- the obtained pellets were pressed into a press (“PEW-5040” manufactured by Kansai Roll Co., Ltd.) at a temperature of 190° C. to obtain a sheet with a thickness of 1 mm.
- the resulting sheet was cut into a length of 4 cm and a width of 4 cm using a lever-type sample cutter ("SDL-200" manufactured by Dumbbell Co.) to obtain a test piece.
- the obtained test piece was suspended in a nitrogen oxide gas test apparatus ("GF-5" manufactured by Suga Test Instruments Co., Ltd.), and the NOx gas generated according to JIS L 0855 (1998) was collected in a gas burette and collected.
- NOx resistance evaluation criteria ⁇ : less than 5.9 ⁇ : 5.9 or more
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Abstract
Description
特許文献1には、特定の式(I)に該当する化-1~化-12の亜リン酸エステル化合物(実施例1~10)が、特定の式(I)に該当しないP-1及びP-3の亜リン酸エステル化合物(比較例1及び2)と比較して、NOxガスによる着色が小さいことは示されてはいるものの、NOxガスによる着色の低減効果が十分でない場合があり、着色低減のさらなる向上がなお求められている。
また、特許文献2には、特定の式(I)で示される化合物と特定の式(II)で示される化合物とを含む加工安定剤が記載されてはいるが、NOxガスによる着色については何ら着目されておらず、NOxガスによる着色を十分に低減できない場合があった。
したがって、本発明の課題は、有機材料を加工する際の熱安定性向上に有効であると共に、酸化性ガスによる変色、特にNOxガスによる変色が生じにくい、加工安定剤を提供することである。
〔1〕式(I):
R1、R2、R4及びR5は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表し、
Aは炭素数1~8のアルキレン基又は*-C(=O)-R7-基(R7は単結合又は炭素数1~8のアルキレン基を表し、*は酸素側の結合手であることを表す)を表し、
Y及びZは、いずれか一方がヒドロキシル基、炭素数1~8のアルコキシ基又は炭素数7~12のアラルキルオキシ基を表し、他の一方が水素原子又は炭素数1~8のアルキル基を表す]
で表される化合物(I)と、式(II):
R1及びR2は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表す]
で表される化合物(II)と、ヒドロキシアルキル基を有するアミン化合物(A)とを含み、
化合物(I)100質量部に対する、化合物(II)の含有量は0.005~4質量部であり、アミン化合物(A)の含有量は0.01~15質量部である、加工安定剤。
〔2〕アミン化合物(A)はアルカノールアミンである、〔1〕に記載の加工安定剤。
〔3〕アルカノールアミンは、式(III):
又は式(IV):
で表される、〔2〕に記載の加工安定剤。
〔4〕アルカノールアミンは式(III)で表される、〔3〕に記載の加工安定剤。
〔5〕式(III)中のY1、Y2及びY3並びに式(IV)中のY4、Y5、Y6及びY7は、それぞれ独立に、-CH2-CH(OH)-R6[式中、R6は水素原子又は炭素数1~3のアルキル基を表す]を表す、〔3〕又は〔4〕に記載の加工安定剤。
〔6〕式(I):
R1、R2、R4及びR5は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表し、
Aは炭素数1~8のアルキレン基又は*-C(=O)-R7-基(R7は単結合又は炭素数1~8のアルキレン基を表し、*は酸素側の結合手であることを表す)を表し、
Y及びZは、いずれか一方がヒドロキシル基、炭素数1~8のアルコキシ基又は炭素数7~12のアラルキルオキシ基を表し、他の一方が水素原子又は炭素数1~8のアルキル基を表す]
で表される化合物(I)と、式(II):
R1及びR2は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表す]
で表される化合物(II)と、ヒドロキシアルキル基を有するアミン化合物(A)と、有機材料とを含み、化合物(I)100質量部に対する、化合物(II)の含有量は0.005~4質量部であり、アミン化合物(A)の含有量は0.01~15質量部である、有機材料組成物。
〔7〕化合物(I)、化合物(II)及びアミン化合物(A)として、〔1〕~〔5〕のいずれかに記載の加工安定剤を含む、〔6〕に記載の有機材料組成物。
〔8〕有機材料が熱可塑性樹脂である〔6〕又は〔7〕に記載の有機材料組成物。
〔9〕熱可塑性樹脂がポリオレフィン又はエンジニアリングプラスチックである、〔8〕に記載の有機材料組成物。
〔10〕有機材料に、式(I):
R1、R2、R4及びR5は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表し、
Aは炭素数1~8のアルキレン基又は*-C(=O)-R7-基(R7は単結合又は炭素数1~8のアルキレン基を表し、*は酸素側の結合手であることを表す)を表し、
Y及びZは、いずれか一方がヒドロキシル基、炭素数1~8のアルコキシ基又は炭素数7~12のアラルキルオキシ基を表し、他の一方が水素原子又は炭素数1~8のアルキル基を表す]
で表される化合物(I)と、式(II):
R1及びR2は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表す]
で表される化合物(II)と、ヒドロキシアルキル基を有するアミン化合物(A)とを、化合物(I)100質量部に対する、化合物(II)の含有量が0.005~4質量部であり、アミン化合物(A)の含有量が0.01~15質量部となる量で添加する、又は、
有機材料に、〔1〕~〔5〕のいずれかに記載の加工安定剤を添加する、有機材料の安定化方法。
〔11〕有機材料が熱可塑性樹脂である〔10〕に記載の安定化方法。
〔12〕熱可塑性樹脂がポリオレフィン又はエンジニアリングプラスチックである、〔11〕に記載の安定化方法。
本発明の加工安定剤は、式(I):
R1、R2、R4及びR5は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表し、
Aは炭素数1~8のアルキレン基又は*-C(=O)-R7-基(R7は単結合又は炭素数1~8のアルキレン基を表し、*は酸素側の結合手であることを表す)を表し、
Y及びZは、いずれか一方がヒドロキシル基、炭素数1~8のアルコキシ基又は炭素数7~12のアラルキルオキシ基を表し、他の一方が水素原子又は炭素数1~8のアルキル基を表す]
で表される化合物(I)と、式(II):
R1及びR2は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表す]
で表される化合物(II)と、ヒドロキシアルキル基を有するアミン化合物(A)とを含み、
化合物(I)100質量部に対する、化合物(II)の含有量は0.005~4質量部であり、アミン化合物(A)の含有量は0.01~15質量部である、加工安定剤である。
本発明の加工安定剤は、上記の式(I)で表される少なくとも1種の化合物(I)を含む。
式(I)中のR1、R2、R4及びR5は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表す。
R1及びR4は、より好ましくは、t-ブチル基、t-ペンチル基及び、t-オクチル基等のt-アルキル基、シクロヘキシル基又は、1-メチルシクロヘキシル基である。
R2は、より好ましくは、メチル基、エチル基、n-プロピル基、i-プロピル基、n-ブチル基、i-ブチル基、sec-ブチル基、t-ブチル基及び、t-ペンチル基等の炭素数1~5のアルキル基であり、さらに好ましくはメチル基、t-ブチル基、又はt-ペンチル基である。
化合物(I)として市販品を用いることもできる。市販品としては、スミライザー(登録商標)GP(住友化学株式会社製)が挙げられる。
本発明の加工安定剤は、上記の式(II)で表される少なくとも1種の化合物(II)を含む。
<測定条件>
カラム:Sumipax ODS A-212(6mmφ×150mm、充填剤の径:5μm)
カラム温度:40℃
移動相:(A液)0.1質量%酢酸アンモニウム/水
(B液)0.1質量%酢酸アンモニウム/メタノール
移動相勾配:0→20min(A液:20→0質量%(1質量%/min)、B液:80→100質量%(1質量%/min))、20→45min(A液:0質量%、B液:100質量%)
流速:1.0mL/min
検出方法:UV(280nm)
試料濃度:5mg/mL
注入量:10μL
本発明の加工安定剤は、ヒドロキシアルキル基を有する少なくとも1種のアミン化合物を含む。ヒドロキシアルキル基を有するアミン化合物を、本明細書においてアミン化合物(A)とも称する。アミン化合物(A)として、ヒドロキシアルキル基を有する1種類のアミン化合物を用いてもよいし、2種以上のアミン化合物を用いてもよい。本明細書において、アミン化合物(A)は、少なくとも1つの窒素原子と、少なくとも1つの水酸基を有する少なくとも1つの直鎖状又は分枝状アルキル基を有する化合物であり、モノアミン化合物であっても、ジアミン化合物であっても、トリアミン化合物であっても、テトラアミン化合物であってもよいが、好ましくはモノアミン化合物又はジアミン化合物であり、より好ましくはモノアミン化合物である。アミン化合物(A)は、好ましくは、(A1)アンモニアが有する3つの水素原子のうちの1つ又は2つの水素原子がヒドロキシアルキル基で置換され、残りの水素原子が置換されていないか、又は、脂肪族基、芳香族基等の置換基で置換された化合物、(A2)アンモニアが有する3つの水素原子の全てがヒドロキシアルキル基で置換された化合物、(A3)2つの窒素原子がアルキレン基(好ましくは炭素数1~4のアルキレン基)で連結され、該窒素原子に結合する4つの水素原子のうちの1つ、2つ、又は3つの水素原子がヒドロキシアルキル基で置換され、残りの水素原子が置換されていないか、又は、脂肪族基、芳香族基等の置換基で置換された化合物、(A4)2つの窒素原子がアルキレン基(好ましくは炭素数1~4のアルキレン基)で連結され、該窒素原子に結合する4つの水素原子の全てがヒドロキシアルキル基で置換された化合物である。より好ましくは、アミン化合物(A)はアルカノールアミンである。アルカノールアミンは、分子内に水酸基を有する飽和脂肪族アミンである。また、アミン化合物(A)は、第1級アミン化合物であってもよいし、第2級アミンであってもよいし、第3級アミンであってもよいが、好ましくは第3級アミン化合物である。
又は式(IV):
で表される。式(III)又は式(IV)で表されるアルカノールアミンは、化合物(I)及び化合物(II)と相互作用しやすいため、例えば、化合物(I)が酸化性ガスによってキノン体へと変化するのを防止しやすく、酸化性ガスによる変色を防止しやすいと考えられる。
有機材料に、本発明の加工安定剤を添加することにより、又は、式(I)で表される化合物(I)、式(II)で表される化合物(II)、及びアミン化合物(A)を特定の割合で添加することにより、有機材料の熱劣化及び酸化劣化等を低減させ、有機材料を安定化することができ、例えば粘度低下を防止することができると共に、着色も防止することができ、さらには酸化性ガスによる変色を防止することができる。そのため、本発明の加工安定剤は、有機材料用安定剤として適当である。
本発明は、上記の加工安定剤を添加する有機材料の安定化方法、ならびに、式(I)で表される化合物(I)、式(II)で表される化合物(II)及びアミン化合物(A)を特定の割合で添加する、有機材料の安定化方法も提供する。さらに、有機材料と、本発明の加工安定剤、又は、式(I)で表される化合物(I)、式(II)で表される化合物(II)及びアミン化合物(A)を特定の割合で有する、安定化された有機材料組成物も提供する。
(2)ポリプロピレン、
(3)メチルペンテンポリマー、
(4)EEA(エチレン/アクリル酸エチル共重合)樹脂、
(5)エチレン/酢酸ビニル共重合樹脂、
(6)ポリスチレン類、例えばポリスチレン、ポリ(p-メチルスチレン)、ポリ(α-メチルスチレン)、
(7)AS(アクリロニトリル/スチレン共重合)樹脂、
(8)ABS(アクリロニトリル/ブタジエン/スチレン共重合)樹脂、
(9)AAS(特殊アクリルゴム/アクリロニトリル/スチレン共重合)樹脂、
(10)ACS(アクリロニトリル/塩素化ポリエチレン/スチレン共重合)樹脂、
(12)ポリ塩化ビニル、ポリ塩化ビニリデン、
(13)メタクリル樹脂、
(14)エチレン/ビニルアルコール共重合樹脂、
(15)フッ素樹脂、
(16)ポリアセタール、
(17)グラフト化ポリフェニレンエーテル樹脂及びポリフェニレンサルファイド樹脂、
(18)ポリウレタン、
(19)ポリアミド、
(20)ポリエステル樹脂、例えばポリエチレンテレフタレート、ポリブチレンテレフタレート、
(22)ポリアクリレート、
(23)ポリスルホン、ポリエーテルエーテルケトン、ポリエーテルスルホン、
(24)芳香族ポリエステル樹脂等の熱可塑性樹脂、
(25)エポキシ樹脂、
(26)ジアリルフタレートプリポリマー、
(27)シリコーン樹脂、
(28)不飽和ポリエステル樹脂、
(29)アクリル変性ベンゾグアナミン樹脂、
(30)ベンゾグアナミン/メラミン樹脂、
(31)ユリア樹脂等の熱硬化性樹脂、
(33)1,2-ポリブタジエン、
(34)ポリイソプレン、
(35)スチレン/ブタジエン共重合体、
(36)ブタジエン/アクリロニトリル共重合体、
(37)エチレン/プロピレン共重合体、
(38)シリコーンゴム、
(39)エピクロルヒドリンゴム、
(40)アクリルゴム、
(41)天然ゴム、
(43)ポリエステル樹脂塗料、
(44)ウレタン樹脂塗料、
(45)エポキシ樹脂塗料、
(46)アクリル樹脂塗料、
(47)ビニル樹脂塗料、
(48)アミノアルキド樹脂塗料、
(49)アルキド樹脂塗料、
(50)ニトロセルロース樹脂塗料、
(51)油性塗料、
(52)ワックス、
(53)潤滑油など。
(1)アルキル化モノフェノールの例
2,6-ジ-t-ブチル-4-メチルフェノール、2,4,6-トリ-t-ブチルフェノール、2,6-ジ-t-ブチルフェノール、2-t-ブチル-4,6-ジメチルフェノール、2,6-ジ-t-ブチル-4-エチルフェノール、2,6-ジ-t-ブチル-4-n-ブチルフェノール、2,6-ジ-t-ブチル-4-イソブチルフェノール、2,6-ジシクロペンチル-4-メチルフェノール、2-(α-メチルシクロヘキシル)-4,6-ジメチルフェノール、2,6-ジオクダデシル-4-メチルフェノール、2,4,6-トリシクロヘキシルフェノール、2,6-ジ-t-ブチル-4-メトキシメチルフェノール、2,6-ジ-ノニル-4-メチルフェノール、2,4-ジメチル-6-(1'-メチルウンデシル-1'-イル)フェノール、2,4-ジメチル-6-(1'-メチルヘプタデシル-1'-イル)フェノール、2,4-ジメチル-6-(1'-メチルトリデシル-1'-イル)フェノール及びそれらの混合物など。
2,4-ジオクチルチオメチル-6-t-ブチルフェノール、2,4-ジオクチルチオメチル-6-メチルフェノール、2,4-ジオクチルチオメチル-6-エチルフェノール、2,6-ジドデシルチオメチル-4-ノニルフェノール及びそれらの混合物など。
(3)ヒドロキノン及びアルキル化ヒドロキノンの例
2,6-ジ-t-ブチル-4-メトキシフェノール、2,5-ジ-t-ブチルヒドロキノン、2,5-ジ-t-アミルヒドロキノン、2,6-ジフェニル-4-オクタデシルオキシフェノール、2,6-ジ-t-ブチルヒドロキノン、2,5-ジ-t-ブチル-4-ヒドロキシアニソール、3,5-ジ-t-ブチル-4-ヒドロキシフェニルステアレート、ビス(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)アジペート及びそれらの混合物など。
α-トコフェロール、β-トコフェロール、γ-トコフェロール、δ-トコフェロール及びそれらの混合物など。
(5)ヒドロキシル化チオジフェニルエーテルの例
2,2'-チオビス(6-t-ブチルフェノール)、2,2'-チオビス(4-メチル-6-t-ブチルフェノール)、2,2'-チオビス(4-オクチルフェノール)、4,4'-チオビス(3-メチル-6-t-ブチルフェノール)、4,4'-チオビス(2-メチル-6-t-ブチルフェノール)、4,4'-チオビス(3,6-ジ-t-アミルフェノール)、4,4'-(2,6-ジメチル-4-ヒドロキシフェニル)ジスルフィドなど。
2,2'-メチレンビス(4-メチル-6-t-ブチルフェノール)、2,2'-メチレンビス(4-エチル-6-t-ブチルフェノール)、2,2'-メチレンビス[4-メチル-6-(α-メチルシクロヘキシル)フェノール)]、2,2'-メチレンビス(4-メチル-6-シクロヘキシルフェノール)、2,2'-メチレンビス(4-メチル-6-ノニルフェノール)、2,2'-メチレンビス(4,6-ジ-t-ブチルフェノール)、2,2'-エチリデンビス(4,6-ジ-t-ブチルフェノール)、2,2'-エチリデンビス(4-イソブチル-6-t-ブチルフェノール)、2,2'-メチレンビス[6-(α-メチルベンジル)-4-ノニルフェノール]、2,2'-メチレンビス[4,6-(α,α-ジメチルベンジル)-4-ノニルフェノール]、4,4'-メチレンビス(6-t-ブチル-2-メチルフェノール)、4,4'-メチレンビス(2,6-ジ-t-ブチルフェノール)、4,4'-ブチリデンビス(3-メチル-6-t-ブチルフェノール)、1,1-ビス(4-ヒドロキシフェニル)シクロヘキサン、1,1-ビス(5-t-ブチル-4-ヒドロキシ-2-メチルフェニル)ブタン、2,6-ビス(3-t-ブチル-5-メチル-2-ヒドロキシベンジル)-4-メチルフェノール、1,1,3-トリス(5-t-ブチル-4-ヒドロキシ-2-メチルフェニル)ブタン、1,1-ビス(5-t-ブチル-4-ヒドロキシ-2-メチルフェニル)-3-n-ドデシルメルカプトブタン、エチレングリコール ビス[3,3-ビス-3'-t-ブチル-4'-ヒドロキシフェニル)ブチレート]、ビス(3-t-ブチル-4-ヒドロキシ-5-メチルフェニル)ジシクロペンタジエン、ビス[2-(3'-t-ブチル-2'-ヒドロキシ-5'-メチルベンジル)-6-t-ブチル-4-メチルフェニル]テレフタレート、1,1-ビス(3,5-ジメチル-2-ヒドロキシフェニル)ブタン、2,2-ビス(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロパン、2,2-ビス(5-t-ブチル-4-ヒドロキシ-2-メチルフェニル)-4-n-ドデシルメルカプトブタン、1,1,5,5-テトラ(5-t-ブチル-4-ヒドロキシ-2-メチルフェニル)ペンタン、2-t-ブチル-6-(3'-t-ブチル-5'-メチル-2'-ヒドロキシベンジル)-4-メチルフェニル アクリレート、2,4-ジ-t-ペンチル-6-[1-(2-ヒドロキシ-3,5-ジ-t-ペンチルフェニル)エチル]フェニル アクリレート及びそれらの混合物など。
3,5,3',5'-テトラ-t-ブチル-4,4'-ジヒドロキシジベンジルエーテル、オクタデシル-4-ヒドロキシ-3,5-ジメチルベンジルメルカプトアセテート、トリス(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)アミン、ビス(4-t-ブチル-3-ヒドロキシ-2,6-ジメチルベンジル)ジチオテレフタレート、ビス(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)スルフィド、イソオクチル-3,5-ジ-t-ブチル-4-ヒドロキシベンジルメルカプトアセテート及びそれらの混合物など。
(8)ヒドロキシベンジル化マロネート誘導体の例
ジオクタデシル-2,2-ビス(3,5-ジ-t-ブチル-2-ヒドロキシベンジル)マロネート、ジオクタデシル-2-(3-t-ブチル-4-ヒドロキシ-5-メチルベンジル)マロネート、ジドデシルメルカプトエチル-2,2-ビス(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)マロネート、ビス[4-(1,1,3,3-テトラメチルブチル)フェニル]-2,2-ビス(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)マロネート及びそれらの混合物など。
(9)芳香族ヒドロキシベンジル誘導体の例
1,3,5-トリメチル-2,4,6-トリス(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)ベンゼン、1,4-ビス(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)-2,3,5,6-テトラメチルベンゼン、2,4,6-トリス(3,5-t-ブチル-4-ヒドロキシベンジル)フェノール及びそれらの混合物など。
2,4-ビス(n-オクチルチオ)-6-(4-ヒドロキシ-3,5-ジ-t-ブチルアニリノ)-1,3,5-トリアジン、2-n-オクチルチオ-4,6-ビス(4-ヒドロキシ-3,5-ジ-t-ブチルアニリノ)-1,3,5-トリアジン、2-n-オクチルチオ-4,6-ビス(4-ヒドロキシ-3,5-ジ-t-ブチルフェノキシ)-1,3,5-トリアジン、2,4,6-トリス(3,5-ジ-t-ブチル-4-フェノキシ)-1,3,5-トリアジン、トリス(4-t-ブチル-3-ヒドロキシ-2,6-ジメチルベンジル)イソシアヌレート、トリス(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)イソシアヌレート、2,4,6-トリス(3,5-ジ-t-ブチル-4-ヒドロキシフェニルエチル)-1,3,5-トリアジン、2,4,6-トリス(3,5-ジ-t-ブチル-4-ヒドロキシフェニルプロピル)-1,3,5-トリアジン、トリス(3,5-ジシクロヘキシル-4-ヒドロキシベンジル)イソシアヌレート、トリス[2-(3',5'-ジ-t-ブチル-4'-ヒドロキシシンナモイルオキシ)エチル]イソシアヌレート及びそれらの混合物など。
ジメチル-3,5-ジ-t-ブチル-4-ヒドロキシベンジルホスホネート、ジエチル-3,5-ジ-t-ブチル-4-ヒドロキシベンジルホスホネート、ジオクタデシル-3,5-ジ-t-ブチル-4-ヒドロキシベンジルホスホネート、ジオクタデシル-5-t-ブチル-4-ヒドロキシ-3-メチルベンジルホスホネート、3,5-ジ-t-ブチル-4-ヒドロキシベンジルホスホン酸モノエステルのカルシウム塩及びそれらの混合物など。
(12)アシルアミノフェノール誘導体の例
4-ヒドロキシラウリル酸アニリド、4-ヒドロキシステアリン酸アニリド、オクチル-N-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)カルバネート及びそれらの混合物など。
(13)β-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオン酸と以下の一価又は多価アルコールとのエステルの例
メタノール、エタノール、オクタノール、オクタデカノール、エチレングリコール、1,3-プロパンジオール、1,4-ブタンジオール、1,6-ヘキサンジオール、1,9-ノナンジオール、ネオペンチルグリコール、ジエチレングリコール、チオエチレングリコール、スピログリコール、トリエチレングリコール、ペンタエリスリトール、トリス(ヒドロキシエチル)イソシアヌレート、N,N'-ビス(ヒドロキシエチル)オキサミド、3-チアウンデカノール、3-チアペンタデカノール、トリメチルヘキサンジオール、トリメチロールプロパン、4-ヒドロキシメチル-1-ホスファ-2,6,7-トリオキサビシクロ[2,2,2]オクタン及びそれらの混合物など。
メタノール、エタノール、オクタノール、オクタデカノール、エチレングリコール、1,3-プロパンジオール、1,4-ブタンジオール、1,6-ヘキサンジオール、1,9-ノナンジオール、ネオペンチルグリコール、ジエチレングリコール、チオエチレングリコール、スピログリコール、トリエチレングリコール、ペンタエリスリトール、トリス(ヒドロキシエチル)イソシアヌレート、N,N'-ビス(ヒドロキシエチル)オキサミド、3-チアウンデカノール、3-チアペンタデカノール、トリメチルヘキサンジオール、トリメチロールプロパン、4-ヒドロキシメチル-1-ホスファ-2,6,7-トリオキサビシクロ[2,2,2]オクタン及びそれらの混合物など。
(15)β-(3,5-ジシクロヘキシル-4-ヒドロキシフェニル)プロピオン酸と以下の一価又は多価アルコールとのエステルの例
メタノール、エタノール、オクタノール、オクタデカノール、エチレングリコール、1,3-プロパンジオール、1,4-ブタンジオール、1,6-ヘキサンジオール、1,9-ノナンジオール、ネオペンチルグリコール、ジエチレングリコール、チオエチレングリコール、スピログリコール、トリエチレングリコール、ペンタエリスリトール、トリス(ヒドロキシエチル)イソシアヌレート、N,N'-ビス(ヒドロキシエチル)オキサミド、3-チアウンデカノール、3-チアペンタデカノール、トリメチルヘキサンジオール、トリメチロールプロパン、4-ヒドロキシメチル-1-ホスファ-2,6,7-トリオキサビシクロ[2,2,2]オクタン及びそれらの混合物など。
メタノール、エタノール、オクタノール、オクタデカノール、エチレングリコール、1,3-プロパンジオール、1,4-ブタンジオール、1,6-ヘキサンジオール、1,9-ノナンジオール、ネオペンチルグリコール、ジエチレングリコール、チオエチレングリコール、スピログリコール、トリエチレングリコール、ペンタエリスリトール、トリス(ヒドロキシエチル)イソシアヌレート、N,N'-ビス(ヒドロキシエチル)オキサミド、3-チアウンデカノール、3-チアペンタデカノール、トリメチルヘキサンジオール、トリメチロールプロパン、4-ヒドロキシメチル-1-ホスファ-2,6,7-トリオキサビシクロ[2,2,2]オクタン及びそれらの混合物など。
(17)β-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオン酸のアミドの例
N,N'-ビス[3-(3',5'-ジ-t-ブチル-4'-ヒドロキシフェニル)プロピオニル]ヒドラジン、N,N'-ビス[3-(3',5'-ジ-t-ブチル-4'-ヒドロキシフェニル)プロピオニル]ヘキサメチレンジアミン、N,N'-ビス[3-(3',5'-ジ-t-ブチル-4'-ヒドロキシフェニル)プロピオニル]トリメチレンジアミン及びそれらの混合物など。
ジラウリル 3,3'-チオジプロピオネート、トリデシル 3,3'-チオジプロピオネート、ジミリスチル 3,3'-チオジプロピオネート、ジステアリル 3,3'-チオジプロピオネート、ラウリル ステアリル 3,3'-チオジプロピオネート、ネオペンタンテトライルテトラキス (3-ラウリルチオプロピオネート)など。
トリフェニルホスファイト、トリス(ノニルフェニル)ホスファイト、トリス(2,4-ジ-t-ブチルフェニル)ホスファイト、トリラウリルホスファイト、トリオクタデシルホスファイト、ジステアリル ペンタエリスリトール ジホスファイト、ジイソデシル ペンタエリスリトール ジホスファイト、ビス(2,4-ジ-t-ブチルフェニル)ペンタエリスリトール ジホスファイト、ビス(2,4-ジ-t-ブチル-6-メチルフェニル)ペンタエリスリトール ジホスファイト、ビス(2,6-ジ-t-ブチル-4-メチルフェニル)ペンタエリスリトール ジホスファイト、ビス(2,4,6-トリ-t-ブチルフェニル)ペンタエリスリトール ジホスファイト、トリステアリルソルビトールトリホスファイト、テトラキス(2,4-ジ-t-ブチルフェニル)-4,4'-ジフェニレンジホスホナイト、2,2'-メチレンビス(4,6-ジ-t-ブチルフェニル) 2-エチルヘキシル ホスファイト、2,2'-エチリデンビス(4,6-ジ-t-ブチルフェニル) フルオロ ホスファイト、ビス(2,4-ジ-t-ブチル-6-メチルフェニル) エチル ホスファイト、ビス(2,4-ジ-t-ブチル-6-メチルフェニル) メチル ホスファイト、2-(2,4,6-トリ-t-ブチルフェニル)-5-エチル-5-ブチル-1,3,2-オキサホスホリナン、2,2',2''-ニトリロ[トリエチル-トリス(3,3',5,5'-テトラ-t-ブチル-1,1'-ビフェニル-2,2'-ジイル) ホスファイト、6-[3-(3-t-ブチル-4-ヒドロキシ-5-メチルフェニル)プロポキシ]-2,4,8,10-テトラ-t-ブチルジベンズ[d,f][1,3,2]ジオキサホスフェピン及びそれらの混合物など。
(1)サリシレート誘導体の例
フェニル サリシレート、4-t-ブチルフェニル サリシレート、2,4-ジ-t-ブチルフェニル 3',5'-ジ-t-ブチル-4'-ヒドロキシベンゾエート、4-t-オクチルフェニル サリシレート、ビス(4-t-ブチルベンゾイル)レゾルシノール、ベンゾイルレゾルシノール、ヘキサデシル 3',5'-ジ-t-ブチル-4'-ヒドロキシベンゾエート、オクタデシル 3',5'-ジ-t-ブチル-4'-ヒドロキシベンゾエート、2-メチル-4,6-ジ-t-ブチルフェニル 3',5'-ジ-t-ブチル-4'-ヒドロキシベンゾエート及びそれらの混合物など。
(2)2-ヒドロキシベンゾフェノン誘導体の例
2,4-ジヒドロキシベンゾフェノン、2-ヒドロキシ-4-メトキシベンゾフェノン、2-ヒドロキシ-4-オクトキシベンゾフェノン、2,2'-ジヒドロキシ-4-メトキシベンゾフェノン、ビス(5-ベンゾイル-4-ヒドロキシ-2-メトキシフェニル)メタン、2,2',4,4'-テトラヒドロキシベンゾフェノン及びそれらの混合物など。
2-(2-ヒドロキシ-5-メチルフェニル)ベンゾトリアゾール、2-(3',5'-ジ-t-ブチル-2'-ヒドロキシフェニル)ベンゾトリアゾール、2-(5'-t-ブチル-2'-ヒドロキシフェニル)ベンゾトリアゾール、2-(2'-ヒドロキシ-5'-t-オクチルフェニル)ベンゾトリアゾール、2-(3-t-ブチル-2-ヒドロキシ-5-メチルフェニル)-5-クロロベンゾトリアゾール、2-(3'-s-ブチル-2'-ヒドロキシ-5'-t-ブチルフェニル)ベンゾトリアゾール、2-(2'-ヒドロキシ-4'-オクチルオキシフェニル)ベンゾトリアゾール、2-(3',5'-ジ-t-アミル-2'-ヒドロキシフェニル)ベンゾトリアゾール、2-[2'-ヒドロキシ-3',3'-ビス(α,α-ジメチルベンジル)フェニル]-2H-ベンゾトリアゾール、2-[(3'-t-ブチル-2'-ヒドロキシフェニル)-5'-(2-オクチルオキシカルボニルエチル)フェニル]-5-クロロベンゾトリアゾール、2-[3'-t-ブチル-5'-[2-(2-エチルヘキシルオキシ)カルボニルエチル]-2'-ヒドロキシフェニル]-5-クロロベンゾトリアゾール、2-[3'-t-ブチル-3'-ヒドロキシ-5'-(2-メトキシカルボニルエチル)フェニル]-5-クロロベンゾトリアゾール、2-[3'-t-ブチル-2'-ヒドロキシ-5'-(2-メトキシカルボニルエチル)フェニル] ベンゾトリアゾール、2-[3'-t-ブチル-2'-ヒドロキシ-5-(2-オクチルオキシカルボニルエチル)フェニル] ベンゾトリアゾール、2-[3'-t-ブチル-2'-ヒドロキシ-5'-[2-(2-エチルヘキシルオキシ)カルボニルエチル]フェニル] ベンゾトリアゾール、2-[2-ヒドロキシ-3-(3,4,5,6-テトラヒドロフタルイミドメチル)-5-メチルフェニル] ベンゾトリアゾール、2-(3,5-ジ-t-ブチル-2-ヒドロキシフェニル)-5-クロロベンゾトリアゾール、2-(3'-ドデシル-2'-ヒドロキシ-5'-メチルフェニル)ベンゾトリアゾール及び2-[3'-t-ブチル-2'-ヒドロキシ-5'-(2-イソオクチルオキシカルボニルエチル)フェニル] ベンゾトリアゾールの混合物、2,2'-メチレンビス[6-(2H-ベンゾトリアゾール-2-イル)-4-(1,1,3,3-テトラメチルブチル)フェノール、2,2'-メチレンビス[4-t-ブチル-6-(2H-ベンゾトリアゾール-2-イル)フェノール]、ポリ(3~11)(エチレングリコール)と2-[3'-t-ブチル-2'-ヒドロキシ-5'-(2-メトキシカルボニルエチル)フェニル] ベンゾトリアゾールとの縮合物、ポリ(3~11)(エチレングリコール)とメチル 3-[3-(2H-ベンゾトリアゾール-2-イル)-5-t-ブチル-4-ヒドロキシフェニル]プロピオネートとの縮合物、2-エチルヘキシル 3-[3-t-ブチル-5-(5-クロロ-2H-ベンゾトリアゾール-2-イル)-4-ヒドロキシフェニル]プロピオネート、オクチル 3-[3-t-ブチル-5-(5-クロロ-2H-ベンゾトリアゾール-2-イル)-4-ヒドロキシフェニル]プロピオネート、メチル 3-[3-t-ブチル-5-(5-クロロ-2H-ベンゾトリアゾール-2-イル)-4-ヒドロキシフェニル]プロピオネート、3-[3-t-ブチル-5-(5-クロロ-2H-ベンゾトリアゾール-2-イル)-4-ヒドロキシフェニル]プロピオン酸及びそれらの混合物など。
(1)ヒンダードアミン系光安定剤の例
ビス(2,2,6,6-テトラメチル-4-ピペリジル)セバケート、ビス(2,2,6,6-テトラメチル-4-ピペリジル)スクシネート、ビス(1,2,2,6,6-ペンタメチル-4-ピペリジル)セバケート、ビス(N-オクトキシ-2,2,6,6-テトラメチル-4-ピペリジル)セバケート、ビス(N-ベンジルオキシ-2,2,6,6-テトラメチル-4-ピペリジル)セバケート、ビス(N-シクロヘキシルオキシ-2,2,6,6-テトラメチル-4-ピペリジル)セバケート、ビス(1,2,2,6,6-ペンタメチル-4-ピペリジル)2-(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)-2-ブチルマロネート、ビス(1-アクロイル-2,2,6,6-テトラメチル-4-ピペリジル)2,2-ビス(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)-2-ブチルマロネート、ビス(1,2,2,6,6-ペンタメチル-4-ピペリジル)デカンジオエート、2,2,6,6-テトラメチル-4-ピペリジル メタクリレート、4-[3-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオニルオキシ]-1-[2-(3-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオニルオキシ)エチル]-2,2,6,6-テトラメチルピペリジン、2-メチル-2-(2,2,6,6-テトラメチル-4-ピペリジル)アミノ-N-(2,2,6,6-テトラメチル-4-ピペリジル)プロピオンアミド、テトラキス(2,2,6,6-テトラメチル-4-ピペリジル)1,2,3,4-ブタンテトラカルボキシレート、テトラキス(1,2,2,6,6-ペンタメチル-4-ピペリジル)1,2,3,4-ブタンテトラカルボキシレート、1,2,3,4-ブタンテトラカルボン酸と1,2,2,6,6-ペンタメチル-4-ピペリジノール及び1-トリデカノールとの混合エステル化物、
エチル α-シアノ-β,β-ジフェニルアクリレート、イソオクチル α-シアノ-β,β-ジフェニルアクリレート、メチル α-カルボメトキシシンナメート、メチル α-シアノ-β-メチル-p-メトキシシンナメート、ブチルα-シアノ-β-メチル-p-メトキシシンナメート、メチル α-カルボメトキシ-p-メトキシシンナメート及びN-(β-カルボメトキシ-β-シアノビニル)-2-メチルインドリン及びそれらの混合物など。
(3)ニッケル系光安定剤の例
2,2'-チオビス-[4-(1,1,3,3-テトラメチルブチル)フェノール]のニッケル錯体、ニッケルジブチルジチオカルバメート、モノアルキルエステルのニッケル塩、ケトキシムのニッケル錯体及びそれらの混合物など。
4,4'-ジオクチルオキシオキサニリド、2,2'-ジエトキシオキサニリド、2,2'-ジオクチルオキシ-5,5'-ジ-t-ブチルアニリド、2,2'-ジドデシルオキシ-5,5'-ジ-t-ブチルアニリド、2-エトキシ-2'-エチルオキサニリド、N,N'-ビス(3-ジメチルアミノプロピル)オキサミド、2-エトキシ-5-t-ブチル-2'-エトキシアニリド、2-エトキシ-5,4'-ジ-t-ブチル-2'-エチルオキサニリド及びそれらの混合物など。
(5)2-(2-ヒドロキシフェニル)-1,3,5-トリアジン系光安定剤の例
2,4,6-トリス(2-ヒドロキシ-4-オクチルオキシフェニル)-1,3,5-トリアジン、2-(2-ヒドロキシ-4-オクチルオキシフェニル)-4,6-ビス(2,4-ジメチルフェニル)-1,3,5-トリアジン、2-[2,4-ジヒドロキシフェニル-4,6-ビス(2,4-ジメチルフェニル]-1,3,5-トリアジン、2,4-ビス(2-ヒドロキシ-4-プロピルオキシフェニル)-6-(2,4-ジメチルフェニル)-1,3,5-トリアジン、2-(2-ヒドロキシ-4-オクチルオキシフェニル)-4,6-ビス(4-メチルフェニル)-1,3,5-トリアジン、2-(2-ヒドロキシ-4-ドデシルオキシフェニル)-4,6-ビス(2,4-ジメチルフェニル)-1,3,5-トリアジン、2-[2-ヒドロキシ-4-(2-ヒドロキシ-3-ブチルオキシプロポキシ)フェニル]-4,6-ビス(2,4-ジメチルフェニル)-1,3,5-トリアジン、2-[2-ヒドロキシ-4-(2-ヒドロキシ-3-オクチルオキシプロポキシ)フェニル]-4,6-ビス(2,4-ジメチルフェニル)-1,3,5-トリアジン及びそれらの混合物など。
N,N'-ジフェニルオキサミド、N-サリチラル-N'-サリチロイルヒドラジン、N,N'-ビス(サリチロイル)ヒドラジン、N,N'-ビス(3,5-ジ-t-ブチル-4-ヒドロキシフェニルプロピオニル)ヒドラジン、3-サリチロイルアミノ-1,2,4-トリアゾール、ビス(ベンジリデン)オキサリルジヒドラジド、オキサニリド、イソフタロイルジヒドラジド、セバコイルビスフェニルヒドラジド、N,N'-ビス(サリチロイル)オキサリルジヒドラジド、N,N'-ビス(サリチロイル)チオプロピオニルジヒドラジド及びそれらの混合物など。
ポリアミド安定剤としては、例えばヨウ化物又はリン化合物の銅又は2価のマンガン塩及びそれらの混合物等が挙げられる。
特に好ましいフェノール系酸化防止剤としては、以下の化合物が挙げられる。
2,6-ジ-t-ブチル-4-メチルフェノール、2,4,6-トリ-t-ブチルフェノール、2,4-ジオクチルチオメチル-6-メチルフェノール、2,2'-チオビス(6-t-ブチルフェノール)、4,4'-チオビス(3-メチル-6-t-ブチルフェノール)、2,2'-メチレンビス(4-メチル-6-t-ブチルフェノール)、2,2'-メチレンビス(4-エチル-6-t-ブチルフェノール)、2,2'-メチレンビス[4-メチル-6-(α-メチルシクロヘキシル)フェノール)]、2,2'-メチレンビス(4-メチル-6-シクロヘキシルフェノール)、2,2'-メチレンビス(4,6-ジ-t-ブチルフェノール)、2,2'-エチリデンビス(4,6-ジ-t-ブチルフェノール)、4,4'-メチレンビス(6-t-ブチル-2-メチルフェノール)、4,4'-メチレンビス(2,6-ジ-t-ブチルフェノール)、4,4'-ブチリデンビス(3-メチル-6-t-ブチルフェノール)、1,1-ビス(4-ヒドロキシフェニル)シクロヘキサン、1,1-ビス(5-t-ブチル-4-ヒドロキシ-2-メチルフェニル)ブタン、1,1,3-トリス(5-t-ブチル-4-ヒドロキシ-2-メチルフェニル)ブタン、エチレングリコール ビス[3,3-ビス-3'-t-ブチル-4'-ヒドロキシフェニル)ブチレート]、2-t-ブチル-6-(3'-t-ブチル-5'-メチル-2'-ヒドロキシベンジル)-4-メチルフェニル アクリレート、2,4-ジ-t-ペンチル-6-[1-(2-ヒドロキシ-3,5-ジ-t-ペンチルフェニル)エチル]フェニル アクリレート、
トリス(ノニルフェニル)ホスファイト、トリス(2,4-ジ-t-ブチルフェニル)ホスファイト、ジステアリル ペンタエリスリトール ジホスファイト、ビス(2,4-ジ-t-ブチルフェニル)ペンタエリスリトール ジホスファイト、ビス(2,4-ジ-t-ブチル-6-メチルフェニル)ペンタエリスリトール ジホスファイト、ビス(2,6-ジ-t-ブチル-4-メチルフェニル)ペンタエリスリトール ジホスファイト、テトラキス(2,4-ジ-t-ブチルフェニル)-4,4'-ジフェニレンジホスホナイト、2,2'-メチレンビス(4,6-ジ-t-ブチルフェニル) 2-エチルヘキシル ホスファイト、2,2'-エチリデンビス(4,6-ジ-t-ブチルフェニル) フルオロ ホスファイト、ビス(2,4-ジ-t-ブチル-6-メチルフェニル) エチルホスファイト、2-(2,4,6-トリ-t-ブチルフェニル)-5-エチル-5-ブチル-1,3,2-オキサホスホリナン、2,2',2''-ニトリロ[トリエチル-トリス(3,3',5,5'-テトラ-t-ブチル-1,1'-ビフェニル-2,2'-ジイル)ホスファイト、6-[3-(3-t-ブチル-4-ヒドロキシ-5-メチルフェニル)プロポキシ]-2,4,8,10-テトラ-t-ブチルジベンズ[d,f][1,3,2]ジオキサホスフェピンなど。
フェニル サリシレート、4-t-ブチルフェニル サリシレート、2,4-ジ-t-ブチルフェニル 3',5'-ジ-t-ブチル-4'-ヒドロキシベンゾエート、4-t-オクチルフェニル サリシレート、2,4-ジヒドロキシベンゾフェノン、2-ヒドロキシ-4-メトキシベンゾフェノン、2-ヒドロキシ-4-オクトキシベンゾフェノン、2,2'-ジヒドロキシ-4-メトキシベンゾフェノン、ビス(5-ベンゾイル-4-ヒドロキシ-2-メトキシフェニル)メタン、2,2',4,4'-テトラヒドロキシベンゾフェノン、2-(2-ヒドロキシ-5-メチルフェニル)ベンゾトリアゾール、2-(3',5'-ジ-t-ブチル-2'-ヒドロキシフェニル)ベンゾトリアゾール、2-(5'-t-ブチル-2'-ヒドロキシフェニル)ベンゾトリアゾール、2-(2'-ヒドロキシ-5'-t-オクチルフェニル)ベンゾトリアゾール、2-(3-t-ブチル-2-ヒドロキシ-5-メチルフェニル)-5-クロロベンゾトリアゾール、2-(3'-s-ブチル-2'-ヒドロキシ-5'-t-ブチルフェニル)ベンゾトリアゾール、2-(2'-ヒドロキシ-4'-オクチルオキシフェニル)ベンゾトリアゾール、2-(3',5'-ジ-t-アミル-2'-ヒドロキシフェニル)ベンゾトリアゾール、2-[2'-ヒドロキシ-3',5'-ビス(α,α-ジメチルベンジル)フェニル]-2H-ベンゾトリアゾールなど。
ビス(2,2,6,6-テトラメチル-4-ピペリジル)セバケート、ビス(1,2,2,6,6-ペンタメチル-4-ピペリジル)セバケート、ビス(N-オクトキシ-2,2,6,6-テトラメチル-4-ピペリジル)セバケート、ビス(N-ベンジルオキシ-2,2,6,6-テトラメチル-4-ピペリジル)セバケート、ビス(N-シクロヘキシルオキシ-2,2,6,6-テトラメチル-4-ピペリジル)セバケート、ビス(1,2,2,6,6-ペンタメチル-4-ピペリジル) 2-(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)-2-ブチルマロネート、ビス(1-アクロイル-2,2,6,6-テトラメチル-4-ピペリジル) 2,2-ビス(3,5-ジ-t-ブチル-4-ヒドロキシベンジル)-2-ブチルマロネート、ビス(2,2,6,6-テトラメチル-4-ピペリジル)スクシネート、2,2,6,6-テトラメチル-4-ピペリジル メタクリレート、4-[3-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオニルオキシ]-1-[2-(3-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオニルオキシ)エチル]-2,2,6,6-テトラメチルピペリジン、2-メチル-2-(2,2,6,6-テトラメチル-4-ピペリジル)アミノ-N-(2,2,6,6-テトラメチル-4-ピペリジル)プロピオンアミド、テトラキス(2,2,6,6-テトラメチル-4-ピペリジル) 1,2,3,4-ブタンテトラカルボキシレート、
実施例及び比較例で使用した成分を以下に記載する。
(熱可塑性樹脂)
・低密度ポリエチレン樹脂(LLDPE)(MI値:1g/10分、住友化学株式会社製)
(加工安定剤)
・化合物I:
2,4,8,10-テトラ-t-ブチル-6-〔3-(3-メチル-4-ヒドロキシ-5-t-ブチルフェニル)プロポキシ〕ジベンゾ〔d,f〕〔1,3,2〕ジオキサホスフェピン(スミライザー(登録商標)GP、住友化学株式会社製)
・化合物II:
6-オクソ―2,4,8,10-テトラ-t-ブチル-ジベンゾ〔d,f〕〔1,3,2〕ジオキサホスフェピン
・アミン化合物A:
トリイソプロパノールアミン(東京化成工業製)
2,2’-ビス(4,6-ジ-t-ブチルフェノール)60gと、n-ペンタン770mLとを混合し、そこへ三塩化リン23gを滴下した。氷浴で冷却しながら、さらにトリエチルアミン49gを滴下し、室温で6時間撹拌した。得られた混合物に水2.6gを加え、室温で2時間撹拌した。得られた混合物に水と酢酸エチルを加え、酢酸エチル層を分液し、得られた酢酸エチル層を飽和食塩水で洗浄した。洗浄された酢酸エチル層を無水硫酸マグネシウムで乾燥後、酢酸エチルを留去し、固形物を得た。得られた固形物とジエチルエーテルとを混合し、その後、得られた混合物を濾過して白色固形物を得た。得られた白色個体を、ヘキサン/酢酸エチルを混合溶媒に溶解し、濾過し、濾液からヘキサン及び酢酸エチルを留去して、化合物IIを得た。収率は61.8%であった。
得られた化合物IIが6-オクソ―2,4,8,10-テトラ-t-ブチル-ジベンゾ〔d,f〕〔1,3,2〕ジオキサホスフェピンであることを、マススペクトロメトリー及び1H-NMRによって確認した。
LLDPE 100部、ステアリン酸カルシウム 0.05部(日東化成工業社製)、化合物I 0.2部、化合物II 0.00006部、並びにアミン化合物A 0.002部をドライブレンドし、得られた混合物を、シリンダー径32mmの二軸押出機(BTN-32、PLABOR社)を用いて、窒素雰囲気下、温度190℃及びスクリュー回転数80rpmの条件で混練して、ペレットを得た。
表1に記載された添加重量部の化合物I、化合物II及びアミン化合物Aをドライブレンドしたこと以外は実施例1と同様にしてペレットを得た。
得られたペレットを、シリンダー径30mmの単軸押出機(VS30-28型押出機、田辺プラスチックス社製)を用いて、空気雰囲気下、温度280℃及びスクリュー回転数50rpmの条件で混練してペレットを得る作業を5回繰り返し、得られたペレットのメルトフローレート(MFR)を測定した。
MFRはメルトインデクサ(型式L246-3537、株式会社テクノ・セブン社製)を用いて、温度190℃及び荷重21.18Nの条件下にて測定した。LLDPEは、熱による加工によって架橋が進行し、そのMFRが低下する。そのため、LLDPEは、単軸押出機での繰返押出後のペレットのMFRが大きいほど、その加工安定性は良好である。得られたMFRに基づき、下記基準で加工安定性を評価した。結果を表2に示す。
加工安定性の評価基準
○:0.6以上
×:0.6未満
得られたペレットを、プレス機(関西ロール社製「PEW-5040」)を温度190℃の条件で用いて、厚さ1mmのシートを得た。得られたシートをレバー式試料裁断機(ダンベル社製「SDL-200」)にて縦4cm・横4cmに切断し試験片を得た。
得られた試験片を酸化窒素ガス試験装置内(須賀試験機社製「GF-5」)に吊り下げ、JIS L 0855(1998)に従って発生させたNOxガスをガスビュレットに捕集し、捕集したNOxガス10mLをガスシリンジで酸化窒素ガス試験装置内に注入した。試験片に注入したNOxガスを室温下で7日間暴露した後、試験片を取り出し、色差計(コニカミルタジャパン社製「CM―3500d」)を用いてイエローインデックス(YI)を測定した。YIが小さいほど、変色が抑制されており、耐NOx性に優れることを意味する。得られたYIに基づき、下記基準で耐NOx性を評価した。結果を表2に示す。
耐NOx性の評価基準
○:5.9未満
×:5.9以上
Claims (12)
- 式(I):
R1、R2、R4及びR5は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表し、
Aは炭素数1~8のアルキレン基又は*-C(=O)-R7-基(R7は単結合又は炭素数1~8のアルキレン基を表し、*は酸素側の結合手であることを表す)を表し、
Y及びZは、いずれか一方がヒドロキシル基、炭素数1~8のアルコキシ基又は炭素数7~12のアラルキルオキシ基を表し、他の一方が水素原子又は炭素数1~8のアルキル基を表す]
で表される化合物(I)と、式(II):
R1及びR2は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表す]
で表される化合物(II)と、ヒドロキシアルキル基を有するアミン化合物(A)とを含み、
化合物(I)100質量部に対する、化合物(II)の含有量は0.005~4質量部であり、アミン化合物(A)の含有量は0.01~15質量部である、加工安定剤。 - アミン化合物(A)はアルカノールアミンである、請求項1に記載の加工安定剤。
- アルカノールアミンは、式(III):
又は式(IV):
で表される、請求項2に記載の加工安定剤。 - アルカノールアミンは式(III)で表される、請求項3に記載の加工安定剤。
- 式(III)中のY1、Y2及びY3並びに式(IV)中のY4、Y5、Y6及びY7は、それぞれ独立に、-CH2-CH(OH)-R6[式中、R6は水素原子又は炭素数1~3のアルキル基を表す]を表す、請求項3又は4に記載の加工安定剤。
- 式(I):
R1、R2、R4及びR5は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表し、
Aは炭素数1~8のアルキレン基又は*-C(=O)-R7-基(R7は単結合又は炭素数1~8のアルキレン基を表し、*は酸素側の結合手であることを表す)を表し、
Y及びZは、いずれか一方がヒドロキシル基、炭素数1~8のアルコキシ基又は炭素数7~12のアラルキルオキシ基を表し、他の一方が水素原子又は炭素数1~8のアルキル基を表す]
で表される化合物(I)と、式(II):
R1及びR2は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表す]
で表される化合物(II)と、ヒドロキシアルキル基を有するアミン化合物(A)と、有機材料とを含み、化合物(I)100質量部に対する、化合物(II)の含有量は0.005~4質量部であり、アミン化合物(A)の含有量は0.01~15質量部である、有機材料組成物。 - 化合物(I)、化合物(II)及びアミン化合物(A)として、請求項1~5のいずれかに記載の加工安定剤を含む、請求項6に記載の有機材料組成物。
- 有機材料が熱可塑性樹脂である請求項6又は7に記載の有機材料組成物。
- 熱可塑性樹脂がポリオレフィン又はエンジニアリングプラスチックである、請求項8に記載の有機材料組成物。
- 有機材料に、式(I):
R1、R2、R4及びR5は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表し、
Aは炭素数1~8のアルキレン基又は*-C(=O)-R7-基(R7は単結合又は炭素数1~8のアルキレン基を表し、*は酸素側の結合手であることを表す)を表し、
Y及びZは、いずれか一方がヒドロキシル基、炭素数1~8のアルコキシ基又は炭素数7~12のアラルキルオキシ基を表し、他の一方が水素原子又は炭素数1~8のアルキル基を表す]
で表される化合物(I)と、式(II):
R1及びR2は、それぞれ独立に、水素原子、炭素数1~8のアルキル基、炭素数5~8のシクロアルキル基、炭素数6~12のアルキルシクロアルキル基、炭素数7~12のアラルキル基又はフェニル基を表し、
R3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表し、
Xは、単結合、硫黄原子又は-CH(-R6)-基(R6は水素原子、炭素数1~8のアルキル基又は炭素数5~8のシクロアルキル基を表す)を表す]
で表される化合物(II)と、ヒドロキシアルキル基を有するアミン化合物(A)とを、化合物(I)100質量部に対する、化合物(II)の含有量が0.005~4質量部であり、アミン化合物(A)の含有量が0.01~15質量部となる量で添加する、又は、
有機材料に、請求項1~5のいずれかに記載の加工安定剤を添加する、有機材料の安定化方法。 - 有機材料が熱可塑性樹脂である請求項10に記載の安定化方法。
- 熱可塑性樹脂がポリオレフィン又はエンジニアリングプラスチックである、請求項11に記載の安定化方法。
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- 2022-03-03 JP JP2022032691A patent/JP2023128376A/ja active Pending
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2023
- 2023-02-15 EP EP23763239.3A patent/EP4488337A1/en active Pending
- 2023-02-15 CN CN202380024953.9A patent/CN118843659A/zh active Pending
- 2023-02-15 WO PCT/JP2023/005115 patent/WO2023166978A1/ja active Application Filing
- 2023-02-15 KR KR1020247031694A patent/KR20240160595A/ko active Pending
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JP2023128376A (ja) | 2023-09-14 |
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