WO2006049139A1 - 導電性マスターバッチ及びそれを含む樹脂組成物 - Google Patents
導電性マスターバッチ及びそれを含む樹脂組成物 Download PDFInfo
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- WO2006049139A1 WO2006049139A1 PCT/JP2005/020043 JP2005020043W WO2006049139A1 WO 2006049139 A1 WO2006049139 A1 WO 2006049139A1 JP 2005020043 W JP2005020043 W JP 2005020043W WO 2006049139 A1 WO2006049139 A1 WO 2006049139A1
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- Prior art keywords
- conductive
- resin
- masterbatch
- resin composition
- monomer
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- 239000004594 Masterbatch (MB) Substances 0.000 title claims abstract description 97
- 239000011342 resin composition Substances 0.000 title claims abstract description 61
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000006229 carbon black Substances 0.000 claims abstract description 44
- 229920006122 polyamide resin Polymers 0.000 claims abstract description 39
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000178 monomer Substances 0.000 claims abstract description 34
- 229920001577 copolymer Polymers 0.000 claims abstract description 33
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 27
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 27
- 125000000524 functional group Chemical group 0.000 claims abstract description 16
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 3
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 3
- 239000011231 conductive filler Substances 0.000 claims description 33
- 229920000642 polymer Polymers 0.000 claims description 16
- 125000003700 epoxy group Chemical group 0.000 claims description 10
- 229920005992 thermoplastic resin Polymers 0.000 claims description 9
- 125000003504 2-oxazolinyl group Chemical group O1C(=NCC1)* 0.000 claims description 8
- 238000005054 agglomeration Methods 0.000 claims description 8
- 230000002776 aggregation Effects 0.000 claims description 8
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 7
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 6
- 230000009257 reactivity Effects 0.000 claims description 5
- 229920000578 graft copolymer Polymers 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 239000000945 filler Substances 0.000 abstract description 5
- 229920005989 resin Polymers 0.000 description 30
- 239000011347 resin Substances 0.000 description 30
- 238000002360 preparation method Methods 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 17
- 229920002292 Nylon 6 Polymers 0.000 description 16
- 229910052799 carbon Inorganic materials 0.000 description 16
- 238000000465 moulding Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 7
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 7
- -1 ester compound Chemical class 0.000 description 7
- 238000004898 kneading Methods 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000003273 ketjen black Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000004952 Polyamide Substances 0.000 description 4
- 241001128140 Reseda Species 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 229920002647 polyamide Polymers 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000004953 Aliphatic polyamide Substances 0.000 description 2
- 229920000299 Nylon 12 Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920003231 aliphatic polyamide Polymers 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 229920013716 polyethylene resin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- HFFXLYHRNRKAPM-UHFFFAOYSA-N 2,4,5-trichloro-n-(5-methyl-1,2-oxazol-3-yl)benzenesulfonamide Chemical compound O1C(C)=CC(NS(=O)(=O)C=2C(=CC(Cl)=C(Cl)C=2)Cl)=N1 HFFXLYHRNRKAPM-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- LPIQIQPLUVLISR-UHFFFAOYSA-N 2-prop-1-en-2-yl-4,5-dihydro-1,3-oxazole Chemical compound CC(=C)C1=NCCO1 LPIQIQPLUVLISR-UHFFFAOYSA-N 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical compound NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- 229920001890 Novodur Polymers 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920001007 Nylon 4 Polymers 0.000 description 1
- 229920000572 Nylon 6/12 Polymers 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 241000543375 Sideroxylon Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- QNRMTGGDHLBXQZ-UHFFFAOYSA-N buta-1,2-diene Chemical compound CC=C=C QNRMTGGDHLBXQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000006231 channel black Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000003484 crystal nucleating agent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229920001179 medium density polyethylene Polymers 0.000 description 1
- 239000004701 medium-density polyethylene Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000002048 multi walled nanotube Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000088 plastic resin Substances 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920001230 polyarylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920001470 polyketone Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- JWHOQZUREKYPBY-UHFFFAOYSA-N rubonic acid Natural products CC1(C)CCC2(CCC3(C)C(=CCC4C5(C)CCC(=O)C(C)(C)C5CC(=O)C34C)C2C1)C(=O)O JWHOQZUREKYPBY-UHFFFAOYSA-N 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 239000002109 single walled nanotube Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000006234 thermal black Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
- C08L25/08—Copolymers of styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
- C08K3/041—Carbon nanotubes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
Definitions
- the present invention relates to a conductive master batch containing a large amount of a conductive filler such as carbon black and a resin composition containing the conductive master batch.
- thermoplastic resin such as polyamide resin
- conductive material such as carbon black
- the mechanical properties of the thermoplastic resin are lowered or the moldability is deteriorated.
- the conductive material is carbon black
- the composite conductive resin composition is affected by the physical properties of the carbon black, and the flexibility and molding processability are reduced, and the carbon black is uniformly dispersed. Therefore, there is a problem that stable conductivity cannot be obtained with the molded body.
- the kneadability is extremely inferior.
- thermoplastic resin is a polyamide resin
- a high load is involved in kneading and blending carbon black in the polyamide resin, and a carbon gel or the like is generated, resulting in poor dispersion during molding calorie.
- problems such as inviting.
- a conductive resin composition obtained by blending carbon black and a plasticizer such as a sulfonamide derivative with a polyamide resin has been proposed (see Patent Document 1).
- a conductive resin composition comprising a polyamide resin, carbon black, and an ester compound such as polyglycerin ester has been proposed (see Patent Document 2).
- a conductive resin composition obtained by blending polyamide resin, carbon black, and carboxylic acid or anhydride thereof has been proposed (see Patent Document 3).
- a polymer composition containing 0.25-50% by weight of carbon nanotubes, having an IZOD notched impact strength of greater than about 2 feet per pound / inch and a volume resistivity of less than about 1 X 10 11 ohm / cm (See Patent Document 6), and it is also disclosed that a master singlet containing carbon nanotubes at a high concentration is formed and added to the resin.
- Dispersion of these carbon nanotubes in the resin is carried out using only the mechanical force of creating and diluting the masterbatch, so there is a problem that the carbon nanotubes are not stably dispersed.
- the present situation is that the dispersion in the resin at the practical level has not been achieved.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-2915
- Patent Document 2 Japanese Patent Laid-Open No. 2002-309101
- Patent Document 3 Japanese Patent Laid-Open No. 2002-322366
- Patent Document 4 JP-A-1 131251
- Patent Document 5 Japanese Patent Publication No. 5-503723
- Patent Document 6 Japanese Patent Publication No. 8-508534
- An object of the present invention is to solve the conventional problems and achieve the following objects. That is, the present invention provides a conductive masterbatch using a polyamide resin, even when a large amount of conductive filler such as carbon black is contained, kneadability, molding processability, and conductivity such as carbon black. An object of the present invention is to provide a conductive master batch and a resin composition containing the same, in which dispersibility of the conductive filler is good and stable conductivity is exhibited. [0010] As a result of intensive studies by the present inventors in order to solve the above-mentioned problems, the above-mentioned problems are solved by including a specific copolymer when the polyamide resin is filled with the conductive filler. As a result, the present invention has been completed.
- the present invention is based on the above knowledge obtained by the present inventor, and means for solving the above problems are as follows. That is, the present invention
- ⁇ 1> having at least one conductive filler selected from carbon black and carbon nanotubes, a polyamide resin, a butyl monomer having a functional group reactive with the polyamide resin, and styrene as at least a monomer unit
- a conductive masterbatch comprising: a copolymer; and the content of the conductive filler is from 10 to 40% by mass.
- the copolymer is a monomer having at least one selected from styrene and metaarate in a main polymer chain having a butyl monomer having a functional group reactive with a polyamide resin and styrene as at least a monomer unit.
- Polymer as unit The conductive masterbatch according to ⁇ 1>, wherein the polymer is a graft copolymer in which side chains are bonded.
- ⁇ 3> The conductive group according to any one of ⁇ 1> to ⁇ 2>, wherein the functional group having reactivity with the polyamide resin is capable of reacting with a carboxyl group or an amino group bonded to a terminal of the polyamide resin. It is a master batch.
- ⁇ 4> The conductive masterbatch according to any one of ⁇ 1> force ⁇ 3>, wherein the functional group having reactivity with the polyamide resin is at least one selected from an epoxy group, an oxazoline group, and a force ruxyl group force. It is.
- ⁇ 6> The conductive master batch according to ⁇ 1> to ⁇ 5>, wherein the volume resistivity is 10 ⁇ ⁇ cm or less.
- thermoplasticity It is a resin composition characterized by containing resin.
- the conductive masterbatch of the present invention contains at least one conductive filler selected from carbon black and carbon nanotubes, a polyamide resin, and a specific copolymer, and further appropriately selected as needed. Contains ingredients.
- either the carbon black or the carbon nanotube may be used, and both the carbon black and the carbon nanotube may be used in combination.
- the carbon black is not particularly limited and can be appropriately selected according to the purpose.
- the carbon black is produced by incomplete combustion of a raw material oil by an oil furnace method and produced by a special furnace method.
- Ketjen Black acetylene black produced using acetylene gas as a raw material
- lamp black produced by directly burning the raw material in a closed space
- thermal black produced by pyrolysis of natural gas
- diffusion flame at the bottom of the channel steel Channel black supplemented by contact with
- n-dibutyl phthalate (hereinafter sometimes referred to as DBP) oil absorption capacity measured by the method of JIS K 6217 9.
- DBP n-dibutyl phthalate
- 150 What is ⁇ 600ml / 100g is preferred. What is 300 ⁇ 550ml / 100g. If the DBP oil absorption exceeds 600 ml / 100 g, the kneadability and molding processability of the conductive masterbatch will deteriorate, and the conductive masterbatch will become highly viscous, causing poor carbon black dispersion. If the amount is less than 150 ml / l00 g, the carbon black concentration required to obtain the desired conductivity may increase, and the mechanical properties of the resulting conductive masterbatch may deteriorate.
- Ketjen Black EC (DBP oil absorption 350-385ml / l00g) manufactured by Ketjen Black International, Ketjen Black EC_600JD (DBP oil absorption). 480-520ml / l00g)
- the carbon black may be used alone or in combination of two or more.
- the content of the carbon black is preferably 10 to 40% by mass and more preferably 10 to 30% by mass in the conductive masterbatch when only the carbon black is used as the conductive filler. If the carbon black content is less than 10% by mass, the conductivity of the conductive masterbatch may be reduced. If it exceeds 40% by mass, it will cause excessive heat generation due to an increase in viscosity during melt kneading. The processability may deteriorate due to the decrease in fluidity.
- the carbon nanotube is not particularly limited and can be appropriately selected according to the purpose. Examples thereof include single-walled nanotubes and multi-walled nanotubes obtained by vapor deposition, arc discharge, laser evaporation, and the like.
- the average fiber diameter of the carbon nanotubes is preferably 1 nm to 100 nm, more preferably 3 to 80 nm, and more preferably 5 to 70 nm. If the average fiber diameter is less than lnm, desired conductivity may not be obtained in the conductive masterbatch, and if it exceeds lOOnm, the productivity of carbon nanotubes as fibers may be inferior. . On the other hand, when the average fiber diameter is in the range of 5 to 70 nm, it is advantageous in that the carbon nanotube is excellent in productivity as a fiber and desired conductivity can be obtained in the conductive masterbatch. It is.
- the average aspect ratio of the carbon nanotube is preferably 5 or more, more preferably 50 or more, and even more preferably 100 or more.
- the average aspect ratio S100 or more is advantageous in that the conductivity imparting effect is enhanced.
- the carbon nanotubes are manufactured by the method disclosed in, for example, Japanese Patent Publication No. Sho 62-500943, Japanese Patent Publication No. Hei 2-503334, Japanese Patent Laid-Open Publication No. 11-256430, and the like. Power S can be.
- the carbon nanotubes may be used alone or in combination of two or more.
- the content of the carbon nanotube is preferably 10 to 30% by mass, more preferably 10 to 40% by mass in the conductive masterbatch when only the carbon nanotube is used as the conductive filler.
- the content of the carbon nanotube is less than 10% by mass, the dispersibility of the carbon nanotube may be lowered.
- the content exceeds 40% by mass, excessive heat generation may be caused by an increase in viscosity during melt kneading. In addition, the moldability may deteriorate due to a decrease in fluidity.
- the content of the conductive filler is the total content power of the carbon black and the carbon nanotube.
- the content is preferably 10 to 40% by mass, more preferably 10 to 30% by mass.
- One species may be used alone, or two or more species may be used in combination.
- the polyamide resin is not particularly limited and may be appropriately selected depending on the purpose.
- an aliphatic polyamide resin containing a structural unit derived from ratatas an aliphatic polyamide obtained by polymerization of aminocarboxylic acid Resin, C4-C12 saturated fatty acid dicarboxylic acid and C2-C12 aliphatic diamine polycondensation
- examples thereof include lyamide resins and thermoplastic aromatic polyamide resins.
- polyamide resin examples include, for example, polyamide 4, 6, polyamide 6, polyamide 6, 6, polyamide 6, 10, polyamide 6, 12, polyamide MXD, 6 (MXD: m-xylylenediamine) , Polyamide 6, T, polyamide 6, I, polyamide 11, polyamide 12, etc.
- the polyamide resin may be used alone or in combination of two or more.
- a known kneader or co-extruder may be appropriately selected and kneaded or co-extruded.
- the content of the said polyamide resin 50-89.9 mass% is preferable in the said electroconductive masterbatch, and 70-89.9 mass% is more preferable. If the content of the polyamide resin is less than 50% by mass, the moldability and strength of the conductive master batch may be reduced. If it exceeds 89.9% by mass, good conductivity cannot be obtained. Sometimes.
- the copolymer is a copolymer having at least a monomer unit having a butyl monomer having a functional group reactive with the polyamide resin.
- at least one selected from styrene and metaacrylate is included as a monomer unit in a polymer main chain having at least a monomeric unit having a vinyl monomer and styrene having a functional group reactive with the polyamide resin. Graft copolymers with polymer side chains attached are preferred.
- the "functional group having reactivity with the polyamide resin” is not particularly limited and can be appropriately selected according to the purpose.
- a carboxyl group or an amino group bonded to the end of the polyamide resin are examples of such functional groups that are preferred to be functional groups capable of reacting with.
- Such functional groups that are preferred to be functional groups capable of reacting with are epoxy groups, oxazoline groups, carboxy groups, and the like.
- the "bulur monomer having a functional group reactive with the polyamide resin” is not particularly limited and may be appropriately selected depending on the purpose.
- acrylic acid, methacrylic acid, etc. Preferred are unsaturated carboxylic acid monomers, epoxy group-containing unsaturated monomers such as glycidyl metatalylate, and oxazoline group-containing unsaturated monomers such as isopropenyloxazoline.
- the method for producing the copolymer is not particularly limited, and can be produced by appropriately selecting a known production method according to the purpose. For example, as described in JP-A-3-59071 It can be manufactured by a method.
- copolymer examples include, for example, Reseda GP-305 (manufactured by Toagosei Chemical Co., Ltd.), a copolymer of styrene and a carboxyl group-containing monomer, as a copolymer of styrene and an epoxy group-containing monomer.
- Examples of the combination include ARUFON XD_935 (manufactured by Toagosei Chemical Co., Ltd.) and examples of the copolymer of styrene and oxazoline group-containing monomer include RPS-1005 (manufactured by Nippon Shokubai Co., Ltd.)
- Reseda G which is a graft copolymer in which a polymer side chain having a polymethaacrylate as a monomer unit is bonded to a polymer main chain having a butyl monomer having an epoxy group and styrene as a monomer unit.
- P-305 is preferred.
- the copolymer may be used alone or in combination of two or more.
- the content of the copolymer is preferably 0.:! To 10% by mass in the conductive masterbatch: more preferably 5 to 5% by mass. If the content of the copolymer is less than 0.1% by mass, the dispersion of carbon black may be insufficient and uniform conductivity may not be obtained. Although improved, physical properties such as strength may decrease.
- the other components are not particularly limited as long as the physical properties of the conductive masterbatch are not impaired, and can be appropriately selected according to the purpose.
- other known additives such as flame retardants, pigments, dyes, Examples include reinforcing agents (carbon fibers, etc.), fillers, heat resistance agents, weathering agents, lubricants, mold release agents, crystal nucleating agents, plasticizers, fluidity improvers, antistatic agents, compatibilizers, stabilizers, etc.
- the content of the other components is not particularly limited as long as it does not impair the physical properties of the conductive master batch, and can be appropriately selected according to the purpose.
- the method for producing the conductive masterbatch is not particularly limited, and can be appropriately selected according to the purpose.
- a known method for producing a conductive resin such as a tumbler or a henshin.
- examples thereof include a method in which components are added simultaneously to a premixer such as an L mixer and mixed uniformly, and a method in which specific components are individually supplied to a kneader using a fixed amount constant volume feeder.
- the apparatus for producing the conductive masterbatch can be appropriately selected according to the purpose without any particular restrictions.
- a twin screw extruder, a single screw extruder, a roll, a kneader, a Banbury mixer Etc for example, a twin screw extruder, a single screw extruder, a roll, a kneader, a Banbury mixer Etc.
- the twin-screw extruder having an upstream supply port and one or more downstream supply ports kneads the polyamide resin and the copoly
- the volume resistivity of the conductive masterbatch is preferably 10 ⁇ ′cm or less, more preferably 5 ⁇ ′cm or less. If the volume resistivity exceeds 10 ⁇ ′ cm, desired conductivity may not be obtained.
- the volume resistivity can be measured, for example, by the method described in the examples described later.
- the resin composition of the present invention described later can be suitably used.
- the resin composition of the present invention includes the conductive masterbatch and the thermoplastic resin, and further includes other components appropriately selected as necessary.
- the conductive master batch is as described above.
- the said conductive masterbatch may be used individually by 1 type, and may use 2 or more types together.
- the content of the conductive masterbatch in the resin composition is not particularly limited and can be appropriately selected according to the purpose, but 15 to 85% by mass is preferable in the resin composition 30 -50 mass% is more preferable. Including the conductive masterbatch When the content is less than 15% by mass, sufficient conductivity may not be imparted to the resin composition. When the content exceeds 85% by mass, the conductivity of the resin composition is improved, but the molding process is not performed. It may be accompanied by a decrease in strength as well as a decrease in properties.
- the content of the conductive filler in the resin composition is preferably 2 to 15% by mass, more preferably: 20 to 20% by mass.
- the content of the conductive filler is less than 1% by mass, sufficient conductivity may not be imparted to the resin composition.
- the content exceeds 20% by mass the conductivity of the resin composition is improved. However, it may be accompanied by a decrease in strength as well as a decrease in moldability.
- the content of the conductive filler may be adjusted by adjusting the content of the conductive master batch.
- thermoplastic resin [0040] One thermoplastic resin
- the thermoplastic resin is not particularly limited and can be appropriately selected according to the purpose.
- polyethylene resin, polypropylene resin, ethylene-butyl acetate copolymer, acrylate or metatalylate and other compounds can be selected.
- the polyethylene resin is not particularly limited and can be appropriately selected depending on the purpose. Examples thereof include high, medium and low density polyethylene having strength, heat resistance, and moldability according to applications. It is done.
- the polypropylene resin is not particularly limited and can be appropriately selected according to the purpose. Examples thereof include poly-1,2_butadiene resin.
- the copolymer of the talate or metatalylate and other compounds is not particularly limited and can be appropriately selected depending on the purpose.
- each acrylate or meta acrylate such as methyl, ethyl, propyl, or methyl can be selected.
- examples thereof include copolymers of rate and ethylene, those obtained by chlorinating these, or a mixture of two or more of these.
- the styrenic resin is not particularly limited and can be appropriately selected according to the purpose. Examples thereof include polystyrene resin, ABS resin, AS resin and the like.
- the polyamide resin is not particularly limited and can be appropriately selected according to the purpose. Examples thereof include polyamide 6, polyamide 6, 6, polyamide 10, polyamide 12, and polyamide MXD.
- the polyester resin is not particularly limited and can be appropriately selected according to the purpose. Examples thereof include polyethylene terephthalate resin and polybutylene terephthalate resin.
- thermoplastic elastomer is not particularly limited and can be appropriately selected according to the purpose, and examples thereof include thermoplastic esters.
- the super engineer plastic resin is not particularly limited and can be appropriately selected according to the purpose. Examples thereof include a fluororesin.
- the resin composition may be used alone or in combination of two or more.
- thermoplastic resin in the said resin composition 70-50 mass% which 85-: 15 mass% is preferable in the said resin composition is more preferable. If the content of the thermoplastic resin exceeds 85% by mass, sufficient conductivity may not be imparted to the resulting resin composition. If the content is less than 15% by mass, the conductivity of the resin composition may be Although improved, it may be accompanied by a decrease in strength as well as a decrease in moldability.
- the other components like the other components in the conductive masterbatch, there is no particular limitation as long as the physical properties of the resin composition are not impaired. And the like.
- the content of the other components can be appropriately selected according to the purpose without particular limitation as long as the physical properties of the resin composition are not impaired.
- the method for producing the resin composition is not particularly limited and can be appropriately selected according to the purpose. Examples thereof include dry blending and melt blending. Examples of the apparatus used for the dry blend include a tumbler and a super mixer. Is mentioned. As an apparatus used for the said melt blend, a single screw, a twin screw extruder, a Banbury mixer, a roller, a kneader etc. are mentioned, for example. These feeding methods may be batch or multistage.
- the method for producing a molded body from the resin composition is not particularly limited, and can be appropriately selected according to the purpose. Examples thereof include injection molding, extrusion molding, blow molding, and press molding. .
- the agglomeration rate of the conductive filler in the resin composition is 4% or less, preferably S, and more preferably 2.5% or less. When the agglomerate ratio exceeds 4%, desired dispersibility of the conductive filler may not be obtained.
- the agglomeration rate can be measured, for example, by the method described in Examples described later.
- the volume resistivity of the resin composition is preferably 1 ⁇ 10 5 ⁇ ⁇ ⁇ m or less when the molded body is formed, and preferably 1 X 10 4 ⁇ 'cm or less. Is more preferable. If the volume resistivity exceeds 1 ⁇ 10 5 ⁇ ′ cm, desired conductivity may not be obtained.
- the volume resistivity can be measured, for example, by the method described in Examples described later.
- the melt flow rate (hereinafter sometimes referred to as MFR) of the resin composition is 6 g / 10 min or more under the conditions of 280 ° C and 12.3 N when the molded body is formed. 8g / 10 min or more is more preferable. If the MFR is less than 6 g / 10 min, the desired moldability cannot be obtained.
- the resin composition contains the conductive masterbatch of the present invention having stable conductivity, it is particularly suitable for applications requiring conductivity, for example, ⁇ A equipment parts, home appliances, automobile parts, etc. Can be used for
- One conductive masterbatch was prepared. At this time, the polyamide 6 and the copolymer-1 are simultaneously supplied to the upstream supply roller of the twin-screw extruder, and the CB-1 is supplied from the downstream supply port to perform melt-kneading and pelletizing. Went.
- the prepared conductive masterbatch was evaluated for kneadability, carbon dispersibility, and volume resistivity. The results are shown in Table 1.
- the kneadability of the conductive master batch was evaluated as follows. That is, at the time of kneading production, the degree of increase in motor load current is examined. If the increase is significant, it is ⁇ bad '', if it is slightly significant, it is ⁇ slightly bad '', and if there is no noticeable increase, it is ⁇ good '' Evaluation was performed by judging.
- the carbon dispersibility of the conductive masterbatch was evaluated as follows as an index of the dispersibility of the conductive masterbatch. That is, a strand-shaped conductive master batch obtained by extrusion from the twin-screw extruder, and further formed into a size of 76 mm in length, 76 mm in width, and 3.2 mm in thickness by press molding at 290 ° C. Were prepared, and the degree of unevenness of the surface of each of the strands and the press-molded bodies was evaluated by visual observation, and was classified into three stages of “bad”, “slightly bad”, and “good”. .
- the volume resistivity was evaluated as follows as an index of conductivity of the conductive masterbatch. That is, after making the conductive masterbatch into the press-molded body, a conductive paint with a width of 5 mm was applied to both ends of the molded body and dried to prepare a sample. 2301 1969 Based on the Wheatstone bridge method, the resistance value is directly measured by a constant current equation using a digital tank match meter, and the volume resistivity ( ⁇ 'cm) is calculated from the measured value using the following equation. did.
- volume resistivity ( ⁇ ⁇ cm) resistance value ( ⁇ ) X thickness (cm) X width (cm) ⁇ length between paints (cm)
- copolymer-1 contains 3% styrene and carboxyl group-containing polymer (ARUFON XD-905 (manufactured by Toagosei Co., Ltd.)) (hereinafter sometimes referred to as copolymer-2). Except that, the conductive master batch of Example 2 was prepared in the same manner as Example 1, and kneadability, volume resistivity, and carbon dispersibility were evaluated. The results are shown in Table 1
- copolymer 3 instead of copolymer 1, except that it contains 3% of styrene and oxazoline group-containing polymer (RPS-1005 (manufactured by Nippon Shokubai Co., Ltd.)) (hereinafter sometimes referred to as copolymer-3)
- RPS-1005 manufactured by Nippon Shokubai Co., Ltd.
- copolymer-3 a conductive master batch of Example 3 was prepared, and kneadability, volume resistivity, and carbon dispersibility were evaluated. The results are shown in Table 1.
- Example 4 Carbon black (Ketjen Black EC (manufactured by Ketjen Black International)) with a DBP oil absorption of 350-385ml / 100g instead of 74% polyamide 6 and CB-1 (hereinafter referred to as CB-2)
- CB-2 Carbon black (Ketjen Black EC (manufactured by Ketjen Black International)) with a DBP oil absorption of 350-385ml / 100g instead of 74% polyamide 6 and CB-1 (hereinafter referred to as CB-2)
- a conductive masterbatch of Example 4 was prepared in the same manner as in Example 1 except that it contained 25% of Co., Ltd. and 1% of Copolymer-1 and kneadability, volume resistivity. The carbon dispersibility was evaluated. The results are shown in Table 1.
- Example 5 A conductive masterbatch of Example 5 was prepared in the same manner as Example 1, except that 84% of polyamide 6, 6 (Amilan CM3007 (manufactured by Toray Industries, Inc.)) was used instead of polyamide 6. The kneadability, volume resistivity, and carbon dispersibility were evaluated. The results are shown in Table 1.
- Example 6 83% polyamide 6 and 15% carbon nanotubes (hereinafter sometimes referred to as CNT) with an average fiber diameter of 10 nm and length of 10 xm instead of CB-1 and 2% of copolymer-1 Except as described above, a conductive master batch of Example 6 was prepared in the same manner as Example 1, and kneadability, volume resistivity, and carbon dispersibility were evaluated. The results are shown in Table 1
- Example 1 with the exception that 83% polyamide 6, 5% 08_1, 10% 01 ⁇ , and 2% copolymer_2 instead of copolymer-1 Similarly, a conductive master batch of Example 7 was prepared, and kneadability, volume resistivity, and carbon dispersibility were evaluated. The results are shown in Table 1.
- Polyamide 6 63 0/0 instead of CB-1, the DBP absorption? It contains 35% carbon black (Denka Black HS-100 (manufactured by Denki Kagaku Kogyo)) (hereinafter sometimes referred to as CB-3) and 2% copolymer-2, which has a force of 200 to 220ml / 100g.
- a conductive master batch of Example 8 was prepared in the same manner as in Example 1 except that the kneading manufacturability, the volume resistivity, and the carbon dispersibility were evaluated. The results are shown in Table 1.
- Comparative Example 2 A conductive master batch of Comparative Example 1 was prepared in the same manner as in Example 1 except that it contained 87% polyamide 6 and 13% CB-1 and did not contain the copolymer. Was evaluated. The results are shown in Table 2. As shown in Table 2, since the conductive master batch of Comparative Example 1 was not kneadable, volume resistivity and carbon dispersibility could not be evaluated. [0062] (Comparative Example 2)
- a conductive masterbatch of Comparative Example 2 was prepared in the same manner as in Example 1 except that 9% of CB-1 and 1% of copolymer 1 were contained, and kneadability, volume resistivity The force dispersibility was evaluated. The results are shown in Table 2.
- a conductive masterbatch of Comparative Example 4 was prepared in the same manner as in Example 6 except that it contained 85% polyamide 6 and 15% CNT, and did not contain the copolymer. The resistivity and carbon dispersibility were evaluated. The results are shown in Table 2.
- a conductive masterbatch of Comparative Example 5 was prepared and kneaded in the same manner as in Example 8, except that 53% of polyamide 6, 45% of CB-3, and 2% of copolymer-2 were contained. Manufacturability was evaluated. The results are shown in Table 2. As shown in Table 2, since the conductive master batch of Comparative Example 5 could not be kneaded, volume resistivity and carbon dispersibility could not be evaluated.
- Example 1 Ingredients (% by weight) Example 1 Example 2 Example 3 Example 4 Example 5 Example 6 Example 7 Example 8 Po'Ja S '6 84 84 74 0 83 83 63 Polyamide' 6, 6 0 0 0 0 84 0 0 0
- Polyamide 6 (T840 (manufactured by Toyobo Co., Ltd.)) 61 ⁇ 5% and the conductive master batch prepared in Example 1 38.5%, that is, the final concentration of the conductive filler is about 5%. Under such conditions, the mixture was kneaded using a twin screw extruder under the same conditions as in the preparation of the conductive masterbatch, and pelletized. About the obtained pellets, an angle forming body having a size of 76 mm ⁇ 76 mm ⁇ 3.2 mm thick was produced using an injection molding machine, and the resin composition of Example 9 was obtained. About the prepared resin composition, the agglomeration rate, volume resistivity, melt opening One rate (hereinafter sometimes referred to as MFR) was evaluated. The results are shown in Table 3. The volume resistivity was measured by the same method as that for the conductive master batch.
- MFR melt opening One rate
- the aggregate ratio of the resin composition was evaluated as follows. That is, a 1 ⁇ m-thick slice was cut out from the molded body, and a digital image was taken using an optical microscope with a magnification of 100 times. After converting to black and white using commercially available image processing software, the wrinkles on the thin sample were removed. Using a commercially available image analysis software, the threshold was set to 10 to 120, and after binarization, the area of the aggregate calculated in pixel units was divided by the total image area to calculate the aggregate area ratio (%). This was defined as the agglomeration rate (%). The smaller the agglomerate ratio, the better the dispersion state of the conductive filler in the resin composition.
- the MFR of the resin composition was evaluated as follows. That is, the molded body was measured under the conditions of 280 ° C and 12.3N according to ISO 1133 Procedure A.
- Example 10 A resin composition of Example 10 was produced in the same manner as in Example 9, except that the conductive master batch prepared in Example 2 was kneaded instead of the conductive master batch prepared in Example 1. The obtained resin composition was evaluated for agglomeration rate, volume resistivity, and MFR. The results are shown in Table 3.
- Example 11 A resin composition of Example 11 was produced in the same manner as in Example 9, except that the conductive master batch prepared in Example 6 was kneaded instead of the conductive master batch prepared in Example 1. The obtained resin composition was evaluated for agglomeration rate, volume resistivity, and MFR. The results are shown in Table 3.
- a resin composition of Comparative Example 6 was produced in the same manner as in Example 9, except that the conductive master batch prepared in Comparative Example 2 was kneaded instead of the conductive master batch prepared in Example 1.
- the obtained resin composition was evaluated for agglomeration rate, volume resistivity, and MFR. The results are shown in Table 3.
- the conductive masterbatch of the present invention has kneadability, molding processability, and dispersibility of the conductive filler such as carbon black even when it contains a large amount of conductive filler such as carbon black. It has an excellent effect of exhibiting good and stable conductivity. Therefore, the conductive masterbatch of the present invention and the resin composition containing the same are suitably used for applications requiring electrical conductivity, for example, ⁇ A equipment parts, home appliances and automobile parts.
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Abstract
Description
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US11/666,761 US7914708B2 (en) | 2004-11-04 | 2005-10-31 | Conductive masterbatch and resin composition including the same |
EP05805414.9A EP1813649B1 (en) | 2004-11-04 | 2005-10-31 | Electroconductive masterbatch and resin composition including the same |
JP2006542378A JP5221876B2 (ja) | 2004-11-04 | 2005-10-31 | 導電性マスターバッチ及びそれを含む樹脂組成物 |
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- 2005-10-31 JP JP2006542378A patent/JP5221876B2/ja active Active
- 2005-10-31 US US11/666,761 patent/US7914708B2/en not_active Expired - Fee Related
- 2005-10-31 EP EP05805414.9A patent/EP1813649B1/en not_active Ceased
- 2005-10-31 WO PCT/JP2005/020043 patent/WO2006049139A1/ja active Application Filing
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8075805B2 (en) * | 2005-09-05 | 2011-12-13 | Asahi Kasei Chemicals Corporation | Method for producing conductive masterbatch |
JP2007091885A (ja) * | 2005-09-29 | 2007-04-12 | Showa Denko Kk | 炭素繊維含有樹脂複合材料、その製造方法、構造体、搬送用トレー、及び電子機器 |
JP2014141656A (ja) * | 2012-12-26 | 2014-08-07 | Toray Ind Inc | プリプレグおよび繊維強化複合材料 |
WO2023013253A1 (ja) * | 2021-08-02 | 2023-02-09 | 三菱瓦斯化学株式会社 | 多層フィルムおよび多層フィルムの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1813649A1 (en) | 2007-08-01 |
US7914708B2 (en) | 2011-03-29 |
EP1813649B1 (en) | 2013-12-25 |
JP5221876B2 (ja) | 2013-06-26 |
EP1813649A4 (en) | 2011-08-10 |
US20080191176A1 (en) | 2008-08-14 |
JPWO2006049139A1 (ja) | 2008-05-29 |
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