CN108059709A - Low VOC polyurethane foams and preparation method thereof - Google Patents
Low VOC polyurethane foams and preparation method thereof Download PDFInfo
- Publication number
- CN108059709A CN108059709A CN201810037318.5A CN201810037318A CN108059709A CN 108059709 A CN108059709 A CN 108059709A CN 201810037318 A CN201810037318 A CN 201810037318A CN 108059709 A CN108059709 A CN 108059709A
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- China
- Prior art keywords
- component
- che
- polyether polyol
- glycol
- polyurethane foams
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract description 50
- 239000011496 polyurethane foam Substances 0.000 title claims abstract description 50
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 229920000570 polyether Polymers 0.000 claims abstract description 48
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 46
- 229920005862 polyol Polymers 0.000 claims abstract description 46
- 150000003077 polyols Chemical class 0.000 claims abstract description 46
- 239000012948 isocyanate Substances 0.000 claims abstract description 22
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 20
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 17
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 13
- 239000004088 foaming agent Substances 0.000 claims abstract description 13
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 claims abstract description 12
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229920002545 silicone oil Polymers 0.000 claims abstract description 10
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 109
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 238000005187 foaming Methods 0.000 claims description 25
- 238000003756 stirring Methods 0.000 claims description 25
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical class O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 9
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 8
- 230000035484 reaction time Effects 0.000 claims description 8
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical group NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 claims description 5
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims description 5
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 claims description 4
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 4
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 claims description 4
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 4
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 4
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 4
- 229940043237 diethanolamine Drugs 0.000 claims description 4
- 239000012972 dimethylethanolamine Substances 0.000 claims description 4
- 235000011187 glycerol Nutrition 0.000 claims description 4
- 229940051250 hexylene glycol Drugs 0.000 claims description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 4
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 claims description 4
- PDXRQENMIVHKPI-UHFFFAOYSA-N cyclohexane-1,1-diol Chemical compound OC1(O)CCCCC1 PDXRQENMIVHKPI-UHFFFAOYSA-N 0.000 claims description 3
- 150000005846 sugar alcohols Polymers 0.000 claims description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims 1
- HXELGNKCCDGMMN-UHFFFAOYSA-N [F].[Cl] Chemical group [F].[Cl] HXELGNKCCDGMMN-UHFFFAOYSA-N 0.000 claims 1
- 239000012467 final product Substances 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000306 component Substances 0.000 abstract 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 abstract 1
- 125000001997 phenyl group Chemical class [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 21
- 239000012855 volatile organic compound Substances 0.000 description 21
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 239000006260 foam Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- KVNYFPKFSJIPBJ-UHFFFAOYSA-N 1,2-diethylbenzene Chemical compound CCC1=CC=CC=C1CC KVNYFPKFSJIPBJ-UHFFFAOYSA-N 0.000 description 6
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 6
- STNJBCKSHOAVAJ-UHFFFAOYSA-N Methacrolein Chemical compound CC(=C)C=O STNJBCKSHOAVAJ-UHFFFAOYSA-N 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 150000001299 aldehydes Chemical class 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 239000002085 irritant Substances 0.000 description 1
- 231100000021 irritant Toxicity 0.000 description 1
- RSMUVYRMZCOLBH-UHFFFAOYSA-N metsulfuron methyl Chemical compound COC(=O)C1=CC=CC=C1S(=O)(=O)NC(=O)NC1=NC(C)=NC(OC)=N1 RSMUVYRMZCOLBH-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- -1 trihydroxy methyl Chemical group 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6614—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6622—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3225—Polyamines
- C08G18/3228—Polyamines acyclic
- C08G18/3231—Hydrazine or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4816—Two or more polyethers of different physical or chemical nature mixtures of two or more polyetherpolyols having at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6614—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38
- C08G18/6618—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3225 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to a kind of low VOC polyurethane foams and preparation method thereof, mainly solve the problems, such as that higher VOC values in the prior art, benzene class and aldehyde matter content are high, smell is big.The present invention, for the low smell polyurethane foams of low VOC, is made of, component A and component B presses 1 by weight percentage by using one kind component A and component B:0.8~2.0, wherein component A includes component A1 and component A2, wherein component A1 is made of polyether polyol, hydrazine hydrate and isocyanates, component A2 is made of polyester polyol, foaming agent, catalyst, crosslinking agent and silicone oil, component B is the technical solution of isocyanates and preparation method thereof, preferably solves the problems, such as this, in the industrialized production available for low VOC polyurethane foams.
Description
Technical field
The invention belongs to polyurethane foam and preparation method thereof field, especially with regard to low VOC polyurethane foams and its system
Preparation Method.
Background technology
Polyurethane foam has prominent physical property, is widely used in auto industry.In recent years automaker to
The demand that its foam supplier proposes is stringenter, especially organic volatile (VOC) content of polyurethane foam and smell side
The standard requirement in face is stringenter.VOC Chinese paraphrase is organic volatile, has smell, irritant, and with certain poison
Property.VOC mainly includes aldehydes, amine, benzene-like compounds, low molecule alcohol.It is provided according to standard GB/T 18586-2001, choosing
More stringent VOC definition is selected, fusing point is less than the general name of room temperature and organic volatile of the boiling point between 50~260 DEG C, including
Benzene,toluene,xylene and other volatile organic contents, the standard provide that its VOC total amount is less than 35ppm.In polyurethane foam
Following 4 kinds of volatile organic compounds are primarily present in foam plastics：(1) antioxidant BHT or BHT homologues.This kind antioxidant master
Polyalcohol is derived from, therefore is usually got the brush-off；(2) foam stabiliser, the mainly compound based on organosilicon；(3)
Catalyst mainly includes tertiary amine type organic and divalent or tetravalence organo-tin compound；(4) volatilize sex flame retardant, fire retardant
Content is higher, and volatility is also higher.Therefore, the VOC content in polyurethane material is reduced, it is necessary to select or transform polyurethane
Foaming raw material could effectively reduce the presence of organic volatile.
Sample is placed in glass container by smell test method examination in the prior art, 80 ± 2 DEG C of baking ovens dry 2h ±
Then 10min takes out container from baking oven, put and be cooled to 60 ± 5 DEG C in air, and smell is evaluated by tester.Assessment
Gap of the number at least between 3 people, the fraction that everyone is given cannot be more than 2 points, if greater than 2 points it is necessary to re-starting
Assessment, number are 5 people.
Chinese patent CN201510613509.8 describes a kind of low VOC high resilience polyurethane foams combination material and its prepares
Method.It includes A material and B material；A material include：Polyether polyol, polymer polyatomic alcohol, silicon foam stabilizer, catalyst, auxiliary agent,
Crosslinking agent and foaming agent；B material include：Toluene di-isocyanate(TDI), modified diphenylmethane diisocyanate；Auxiliary agent captures for aldehydes
Agent；Foaming agent is composite foamable agent, is made of pentamethylene, the mixture of pentane and pure water.The preparation of A material：By polyether polyols
Alcohol and polymer polyatomic alcohol are proportionally added into reactor, open stirring, sequentially add silicon foam stabilizer, catalysis in order
Agent, auxiliary agent, crosslinking agent, foaming agent；Preparation method its step of B material is：Toluene di-isocyanate(TDI) is added in reactor, is opened
Stirring adds in liquefied mdi and polymeric MDI.This patent adds in the polyurethane foam that aldehydes agent for capturing causes production in material A
VOC values are low.Toluene level is 33ug/m in this patent3Styrene-content is 22ug/m3, formaldehyde 30ug/m3, without benzene,
The substances such as ethylbenzene, diethylbenzene, acetaldehyde, methacrylaldehyde.Toluene, styrene, content of formaldehyde are still very high in the prior art, polyurethane foam
Foam VOC values are higher, and smell is big.
The content of the invention
The first technical problem to be solved by the present invention is that VOC values are high in polyurethane foam of the prior art, benzene class with
The problem of aldehyde matter content is high, smell is big, provides a kind of new polyurethane foam, which has low VOC, low gas
Taste, toluene and content of formaldehyde it is low, without benzene, ethylbenzene, diethylbenzene, the substances such as styrene, acetaldehyde, methacrylaldehyde the advantages of.The present invention
The two of technical problem to be solved are to provide a kind of with solving one of technical problem corresponding preparation method.
One of to solve above-mentioned technical problem, the technical solution adopted in the present invention is as follows：A kind of low VOC polyurethane foams
Foam is made of component A and component B, and the weight ratio of component A and component B is 1：0.8~2.0, wherein：Component A is with weight percent
Meter includes component A1 and component A2, and the weight ratio of component A1 and component A2 is 1：0.3~1.0；Component A1 is by weight percentage
Including：Polyether polyol：80~95%, hydrazine hydrate：1~5%, isocyanates：4~15%；Component A2 is by weight percentage
Including：Polyester polyol：70~89%, foaming agent：5~15%, catalyst：0.1~2%, crosslinking agent：5~10%, silicone oil：
0.9~3%, component B are isocyanates；It is 300~8000 that polyether polyol, which is selected from molecular weight, in wherein component A1, and degree of functionality is
At least two in 2~5 polyether polyol.
In above-mentioned technical proposal, it is preferable that it is 500~6000 that polyether polyol, which is selected from molecular weight, in component A1, degree of functionality
For at least two in 2~5 polyether polyol.
In above-mentioned technical proposal, it is highly preferred that it is 500~1000 that polyether polyol, which is selected from molecular weight, in component A1, function
At least one of the polyether polyol and molecular weight spent for 2~5 are more than 1000~6000, and the polyethers that degree of functionality is 2~5 is more
At least one of first alcohol.
In above-mentioned technical proposal, it is preferable that in component A1:Polyether polyol is selected from CHE-828, CHE-330N, CHE-
5603rd, at least two in CHE-220, CHE-210, CHE-204, CHE-310, CHE-307 or CHE-303；In component A1
Isocyanates in isocyanates and component B be selected from pure MDI, thick MDI, PM200, M20S, 5005, Carbodiimide-Modified MDI,
At least one of MDI-50 or TDI.
In above-mentioned technical proposal, it is preferable that in component A2：Polyester polyol is selected from PS3152, PS2412, PS3100, PS-
3025th, at least one of PS2452, PS3020 or PS8001；Foaming agent in chlorofluorocarbons, fluorinated hydrocarbons, water at least one
Kind；Catalyst is selected from least one of TMR-2, NE300, NE1070, DPA, LED103, DMEA or PT303；Crosslinking agent is selected from
Monoethanolamine, diethanol amine, triethanolamine, ethylenediamine, ethylene glycol, propylene glycol, butanediol, neopentyl glycol, hexylene glycol, hexamethylene two
At least one of alcohol, diethylene glycol (DEG), triethylene glycol, dipropylene glycol, tripropylene glycol, glycerine, trimethylolpropane or pentaerythrite；Silicon
Oil is selected from least one of L-3002, L-5309, L-5345 or L-6920.
To solve above-mentioned technical problem two, the technical solution adopted in the present invention is as follows：The system of low VOC polyurethane foams
Preparation Method comprises the following steps：
(1) component A1 is prepared：Polyether polyol, hydrazine hydrate and isocyanates are added in foaming vessel A, is stirred, is stood
Up to component A1；
(2) component A2 is prepared：Polyester polyol, foaming agent, catalyst, crosslinking agent and silicone oil are added in foaming vessel B
Stirring is stood up to component A2；
(3) component A is prepared：The weight to get component A, wherein component A1 and component A2 is mixed in component A1 and A2
Than for 1：0.3~1.0；
(4) polyurethane foam is prepared：Load weighted component B with component A is mixed, free foaming in mold is poured into after stirring
Polyurethane foam is obtained, the weight ratio of wherein component A and component B is 1：0.8~2.0.
In above-mentioned technical proposal, it is preferable that component A1 includes by weight percentage：Polyether polyol：80~95%, water
Close hydrazine：1~5%, isocyanates：4~15%；Component A2 includes by weight percentage：Polyester polyol：70~89%, hair
Infusion：5~15%, catalyst：0.1~2%, crosslinking agent：5~10%, silicone oil：0.9~3%, component B are isocyanates；Its
It is 300~8000 that polyether polyol, which is selected from molecular weight, in middle component A1, and degree of functionality is at least two in 2~5 polyether polyol
Kind.
In above-mentioned technical proposal, it is preferable that it is 500~6000 that polyether polyol, which is selected from molecular weight, in component A1, degree of functionality
For at least two in 2~5 polyether polyol.
In above-mentioned technical proposal, it is preferable that in step 1, prepare the reaction time of component A1 as 30~240min, reaction temperature
It spends for 5~35 DEG C；In step 2, the reaction time of component A2 is prepared as 30~240min, and reaction temperature is 5~35 DEG C；Step 3
In, the reaction time of component A is prepared as 30~60min, and reaction temperature is 5~35 DEG C；In step 4, polyurethane foam is prepared
Reaction time is 30~90min, and reaction temperature is 5~35 DEG C；In component A1 polyether polyol be selected from molecular weight for 500~
1000, degree of functionality be at least one of 2~5 polyether polyol and molecular weight be more than 1000~6000, degree of functionality for 2~
At least one of 5 polyether polyol.
In above-mentioned technical proposal, the preparation method of preferably low VOC polyurethane foams, it is characterised in that in component A1:It is poly-
Ethoxylated polyhydric alcohol is selected from CHE-828, CHE-330N, CHE-5603, CHE-220, CHE-210, CHE-204, CHE-310, CHE-307
Or at least two in CHE-303；In isocyanates and component B in component A1 isocyanates be selected from pure MDI, thick MDI,
At least one of PM200, M20S, 5005, Carbodiimide-Modified MDI, MDI-50 or TDI；In component A2：Polyester polyol
Selected from least one of PS3152, PS2412, PS3100, PS-3025, PS2452, PS3020 or PS8001；Foaming agent is selected from
At least one of chlorofluorocarbons, fluorinated hydrocarbons, water；Catalyst be selected from TMR-2, NE300, NE1070, DPA, LED103, DMEA or
At least one of PT303；Crosslinking agent be selected from monoethanolamine, diethanol amine, triethanolamine, ethylenediamine, ethylene glycol, propylene glycol,
Butanediol, neopentyl glycol, hexylene glycol, cyclohexanediol, diethylene glycol (DEG), triethylene glycol, dipropylene glycol, tripropylene glycol, glycerine, trihydroxy methyl
At least one of propane or pentaerythrite；Silicone oil is selected from least one of L-3002, L-5309, L-5345 or L-6920.
In the present invention, component A is made of component A1 and component A2, and polyether polyol is selected from molecular weight in wherein component A1
500~1000, degree of functionality is at least one of 2~5 polyether polyol and molecular weight is the degree of functionality more than 1000~6000
It for 2~5 at least one of polyether polyol, is found through experiment, using polyurethane made from the component A compoundings so compounded
Foam has the advantages that low VOC and low smell, and for producing in polyurethane foam production, toluene level can in polyurethane foam
Only 17ug/m3, formaldehyde can be only 9ug/m3, without the substances such as benzene, styrene, ethylbenzene, diethylbenzene, acetaldehyde, methacrylaldehyde, VOC values
30ppm is can be only, the oder levels of polyurethane foam are up to being 1.0, so that the polyurethane foam is provided with low VOC and low gas
The advantages of taste, achieves preferable technique effect.
Below by embodiment, the invention will be further elaborated, but is not limited only to the present embodiment.
Specific embodiment
1. resourcing manifest of table
Embodiment 1
(1) component A1 is prepared：100g；Controlling reaction temperature is 10 DEG C, and polyether polyol is added in foaming vessel A：
CHE-828：45g、CHE-310：48g, hydrazine hydrate：1g and PM200：6g stirs 30min, stands 210min to get component A1；
(2) component A2 is prepared：30g；Controlling reaction temperature is 10 DEG C, and polyester polyol is added in foaming vessel B：PS-
2452：21g, water：4.5g、TMR-2:0.6g, monoethanolamine：3g and L-5345:0.9g stirs 30min, stands 210min, i.e.,
Obtain component A2；
(3) component A is prepared：130g；Controlling reaction temperature is 10 DEG C, and 100g component A1 and 30g components A2 is mixed
30min is to get component A；
(4) polyurethane foam is prepared：Controlling reaction temperature is 10 DEG C, prepares component B:M20S:104g, by load weighted group
B is divided to be mixed with component A, after stirring 30min, free foaming 30min in mold is poured into, obtains polyurethane foam；Product matter is made
Figureofmerit is shown in Table 2；The weight percent of each component is shown in Table 3.
Embodiment 2
1, prepare component A1：100g；Controlling reaction temperature is 15 DEG C, and polyether polyol is added in foaming vessel A：CHE-
5603：40g、CHE-210：40g, hydrazine hydrate：5g and MDI-50：15g stirs 60min, stands 100min to get component A1；
2, prepare component A2：100g；Controlling reaction temperature is 15 DEG C, and polyester polyol is added in foaming vessel B：PS-
8001：89g, water：5g、NE300:0.1g, butanediol：5g and L-5309:0.9g stirs 60min, stands 100min to get group
Divide A2；
3, prepare component A：200g；Controlling reaction temperature is 15 DEG C, and 100g component A1 and 100g components A2 is mixed
60min is to get component A；
4, prepare polyurethane foam：Controlling reaction temperature is 15 DEG C, prepares component B:Pure MDI:200g, by load weighted group
B is divided to be mixed with component A, after stirring 10min, free foaming 20min in mold is poured into, obtains polyurethane foam；Product matter is made
Figureofmerit is shown in Table 2；The weight percent of each component is shown in Table 3.
Embodiment 3
1, prepare component A1：100g；Controlling reaction temperature is 20 DEG C, and polyether polyol is added in foaming vessel A：CHE-
307：40g、CHE-828：50g, hydrazine hydrate：2g and TDI：8g stirs 10min, stands 20min to get component A1；
2, prepare component A2：60g；Controlling reaction temperature is 20 DEG C, and polyester polyol is added in foaming vessel B：PS-
2020：48g, water:6g、PT303：0.6g, dipropylene glycol：3.9g and L-5345:1.5g, stir 10min, stand 80min to get
Component A2；
3, prepare component A：160g；100g component A1 and 60g components A2 is mixed 20 DEG C of controlling reaction temperature
40min is to get component A；
4, prepare polyurethane foam：Controlling reaction temperature is 20 DEG C, prepares component B:Carbodiimide-Modified MDI:320g,
Load weighted component B with component A is mixed, after stirring 30min, free foaming 60min in mold is poured into, obtains polyurethane foam
Foam.Obtained product quality indicator is shown in Table 2；The weight percent of each component is shown in Table 3.
Embodiment 4
1, prepare component A1：100g；Controlling reaction temperature is 25 DEG C, and polyether polyol is added in foaming vessel A：CHE-
307：42g、CHE-5603：50g, hydrazine hydrate：3g and TDI：5g stirs 20min, stands 80min to get component A1；
2, prepare component A2：50g；Controlling reaction temperature is 25 DEG C, and polyester polyol is added in foaming vessel B：PS-
2452：40g, water:5g、LED103：0.5g, diethylene glycol (DEG)：3g and L-6920:1.5g stirs 20min, stands 40min to get group
Divide A2；
3, prepare component A：150g；100g component A1 and 50g components A2 is mixed 25 DEG C of controlling reaction temperature
40min is to get component A；
4, prepare polyurethane foam：Controlling reaction temperature is 20 DEG C, prepares component B:PM200:225g, by load weighted group
B is divided to be mixed with component A, after stirring 20min, free foaming 20min in mold is poured into, obtains polyurethane foam.Product matter is made
Figureofmerit is shown in Table 2；The weight percent of each component is shown in Table 3.
Embodiment 5
1, prepare component A1：100g；Controlling reaction temperature is 15 DEG C, and polyether polyol is added in foaming vessel A：CHE-
828：50g、CHE-310：45, hydrazine hydrate：1g and MDI-50：4g stirs 20min, stands 80min to get component A1；
2, prepare component A2：80g；Controlling reaction temperature is 15 DEG C, and polyester polyol is added in foaming vessel B：PS-
2412：64g, water:8g、LED103：0.8g, diethylene glycol (DEG)：5.6g and L-5345:1.6g, stir 60min, stand 180min to get
Component A2；
3, prepare component A：180g；100g component A1 and 80g components A2 is mixed 15 DEG C of controlling reaction temperature
50min is to get component A；
Prepare polyurethane foam：Controlling reaction temperature is 20 DEG C, prepares component B:PM200:270g, by load weighted component
B is mixed with component A, after stirring 40min, is poured into free foaming 20min in mold, is obtained polyurethane foam.Product quality is made
Index is shown in Table 2, and the weight percent of each component is shown in Table 3.
Embodiment 6
1, prepare component A1：100g；Controlling reaction temperature is 15 DEG C, and polyether polyol is added in foaming vessel A：CHE-
828：40g、CHE-330N：45, hydrazine hydrate：4g and MDI-50：11g stirs 20min, stands 80min to get component A1；
2, prepare component A2：90g；Controlling reaction temperature is 15 DEG C, and polyester polyol is added in foaming vessel B：PS-
2412：72g, water:9g、LED103：0.9g, diethylene glycol (DEG)：6.3g and L-5345:1.8g, stir 60min, stand 180min to get
Component A2；
3, prepare component A：190g；100g component A1 and 89g components A2 is mixed 15 DEG C of controlling reaction temperature
50min is to get component A；
Prepare polyurethane foam：Controlling reaction temperature is 20 DEG C, prepares component B:Carbodiimide-Modified MDI:190g, will
Load weighted component B is mixed with component A, after stirring 40min, is poured into free foaming 20min in mold, is obtained polyurethane foam.
Obtained product quality indicator is shown in Table 2, and the weight percent of each component is shown in Table 3.
Comparative example 1：
Each step and operating condition of embodiment 1 in Chinese patent CN201510613509.8, obtained froth pulp
Quality and the VOC values of detection and the index of oder levels be shown in Table 2.
Table 2 is the froth pulp quality testing data of embodiment 1-6
Note：ND refers to not detect related data in froth pulp.
The weight percent of 3 each component into embodiment 6 of embodiment 1 of table
Claims (10)
1. a kind of low VOC polyurethane foams, are made of component A and component B, the weight ratio of component A and component B is 1：0.8~
2.0, wherein：It is 1 that component A includes component A1 and the weight ratio of component A2, component A1 and component A2 by weight percentage：0.3
~1.0；Component A1 includes by weight percentage：Polyether polyol：80~95%, hydrazine hydrate：1~5%, isocyanates：4~
15%；Component A2 includes by weight percentage：Polyester polyol：70~89%, foaming agent：5~15%, catalyst：0.1~
2%, crosslinking agent：5~10%, silicone oil：0.9~3%, component B are isocyanates；Polyether polyol, which is selected from, in wherein component A1 divides
Son amount is 300~8000, and degree of functionality is at least two in 2~5 polyether polyol.
2. low VOC polyurethane foams according to claim 1, it is characterised in that polyether polyol is selected from molecule in component A1
It measures as 500~6000, degree of functionality is at least two in 2~5 polyether polyol.
3. low VOC polyurethane foams according to claim 2, it is characterised in that polyether polyol is selected from molecule in component A1
It measures as 500~1000, degree of functionality is at least one of 2~5 polyether polyol and molecular weight is the official more than 1000~6000
Energy degree is at least one of 2~5 polyether polyol.
4. low VOC polyurethane foams according to claim 1, it is characterised in that in component A1:Polyether polyol is selected from
In CHE-828, CHE-330N, CHE-5603, CHE-220, CHE-210, CHE-204, CHE-310, CHE-307 or CHE-303
At least two；The isocyanates in isocyanates and component B in component A1 be selected from pure MDI, thick MDI, PM200, M20S,
5005th, at least one of Carbodiimide-Modified MDI, MDI-50 or TDI.
5. low VOC polyurethane foams according to claim 1, it is characterised in that in component A2：Polyester polyol is selected from
At least one of PS3152, PS2412, PS3100, PS-3025, PS2452, PS3020 or PS8001；Foaming agent is selected from chlorine fluorine
At least one of hydrocarbon, fluorinated hydrocarbons, water；Catalyst is selected from TMR-2, NE300, NE1070, DPA, LED103, DMEA or PT303
At least one of；Crosslinking agent is selected from monoethanolamine, diethanol amine, triethanolamine, ethylenediamine, ethylene glycol, propylene glycol, fourth two
Alcohol, neopentyl glycol, hexylene glycol, cyclohexanediol, diethylene glycol (DEG), triethylene glycol, dipropylene glycol, tripropylene glycol, glycerine, trimethylolpropane
Or at least one of pentaerythrite；Silicone oil is selected from least one of L-3002, L-5309, L-5345 or L-6920.
6. the preparation method of low VOC polyurethane foams described in claim 1, comprises the following steps：
(1) component A1 is prepared：Polyether polyol, hydrazine hydrate and isocyanates are added in foaming vessel A, stirring is stood to obtain the final product
Component A1；
(2) component A2 is prepared：Polyester polyol, foaming agent, catalyst, crosslinking agent and silicone oil stirring are added in foaming vessel B,
It stands up to component A2；
(3) component A is prepared：Component A1 and A2 are mixed to get component A, wherein component A1 and the weight ratio of component A2 are
1：0.3~1.0；
(4) polyurethane foam is prepared：Load weighted component B with component A is mixed, free foaming in mold is poured into after stirring and is obtained
Polyurethane foam, wherein component A and the weight ratio of component B are 1：0.8~2.0.
7. the preparation method of low VOC polyurethane foams according to claim 6, which is characterized in that component A1 is with weight hundred
Dividing includes than meter：Polyether polyol：80~95%, hydrazine hydrate：1~5%, isocyanates：4~15%；Component A2 is with weight hundred
Dividing includes than meter：Polyester polyol：70~89%, foaming agent：5~15%, catalyst：0.1~2%, crosslinking agent：5~10%,
Silicone oil：0.9~3%, component B are isocyanates；It is 300~8000 that polyether polyol, which is selected from molecular weight, in wherein component A1, official
Energy degree is at least two in 2~5 polyether polyol.
8. the preparation method of low VOC polyurethane foams according to claim 6, it is characterised in that polyether polyols in component A1
It is 500~6000 that alcohol, which is selected from molecular weight, and degree of functionality is at least two in 2~5 polyether polyol.
9. the preparation method of low VOC polyurethane foams according to claim 6, it is characterised in that in step 1, prepare component
The reaction time of A1 is 30~240min, and reaction temperature is 5~35 DEG C；In step 2, prepare the reaction time of component A2 for 30~
240min, reaction temperature are 5~35 DEG C；In step 3, prepare the reaction time of component A as 30~60min, reaction temperature for 5~
35℃；In step 4, the reaction time of polyurethane foam is prepared as 30~90min, and reaction temperature is 5~35 DEG C；Gather in component A1
It is 500~1000 that ethoxylated polyhydric alcohol, which is selected from molecular weight, and degree of functionality is at least one of 2~5 polyether polyol and molecular weight is
More than 1000~6000, degree of functionality is at least one of 2~5 polyether polyol.
10. the preparation method of low VOC polyurethane foams according to claim 6, it is characterised in that in component A1:Polyethers is more
First alcohol be selected from CHE-828, CHE-330N, CHE-5603, CHE-220, CHE-210, CHE-204, CHE-310, CHE-307 or
At least two in CHE-303；The isocyanates in isocyanates and component B in component A1 be selected from pure MDI, thick MDI,
At least one of PM200, M20S, 5005, Carbodiimide-Modified MDI, MDI-50 or TDI；In component A2：Polyester polyol
Selected from least one of PS3152, PS2412, PS3100, PS-3025, PS2452, PS3020 or PS8001；Foaming agent is selected from
At least one of chlorofluorocarbons, fluorinated hydrocarbons, water, preferably water；Catalyst be selected from TMR-2, NE300, NE1070, DPA, LED103,
At least one of DMEA or PT303；Crosslinking agent is selected from monoethanolamine, diethanol amine, triethanolamine, ethylenediamine, ethylene glycol, third
Glycol, butanediol, neopentyl glycol, hexylene glycol, cyclohexanediol, diethylene glycol (DEG), triethylene glycol, dipropylene glycol, tripropylene glycol, glycerine, three
At least one of hydroxymethyl-propane or pentaerythrite；Silicone oil in L-3002, L-5309, L-5345 or L-6920 at least
It is a kind of.
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| CN109503803A (en) * | 2018-12-06 | 2019-03-22 | 上海应用技术大学 | A kind of preparation method of car trunk back cover board polyurethane foam board |
| CN109517366A (en) * | 2018-10-27 | 2019-03-26 | 天津华翔汽车顶棚系统有限公司 | Roof of the vehicle and its manufacturing method |
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