CN1421473A - Composite polyol for producing hard polyurethane foam - Google Patents
Composite polyol for producing hard polyurethane foam Download PDFInfo
- Publication number
- CN1421473A CN1421473A CN 02151281 CN02151281A CN1421473A CN 1421473 A CN1421473 A CN 1421473A CN 02151281 CN02151281 CN 02151281 CN 02151281 A CN02151281 A CN 02151281A CN 1421473 A CN1421473 A CN 1421473A
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- CN
- China
- Prior art keywords
- weight percent
- polyether glycol
- polyvalent alcohol
- molecular weight
- glycol
- 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.)
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Links
- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract description 14
- 239000011496 polyurethane foam Substances 0.000 title claims abstract description 14
- 229920005862 polyol Polymers 0.000 title claims abstract description 7
- 150000003077 polyols Chemical class 0.000 title claims abstract description 7
- 239000002131 composite material Substances 0.000 title description 2
- 229920000570 polyether Polymers 0.000 claims abstract description 35
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 31
- 239000000463 material Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- MEIRRNXMZYDVDW-MQQKCMAXSA-N (2E,4E)-2,4-hexadien-1-ol Chemical compound C\C=C\C=C\CO MEIRRNXMZYDVDW-MQQKCMAXSA-N 0.000 claims abstract description 7
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims abstract description 7
- 229930006000 Sucrose Natural products 0.000 claims abstract description 7
- 150000001412 amines Chemical class 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 239000000654 additive Substances 0.000 claims abstract description 5
- 230000000996 additive effect Effects 0.000 claims abstract description 5
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 5
- 239000012948 isocyanate Substances 0.000 claims abstract description 4
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 70
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 29
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 28
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 21
- -1 aromatic anhydride Chemical class 0.000 claims description 15
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 14
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- 239000004593 Epoxy Substances 0.000 claims description 8
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 8
- 239000003999 initiator Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 235000011187 glycerol Nutrition 0.000 claims description 6
- 239000005720 sucrose Substances 0.000 claims description 6
- NSOXQYCFHDMMGV-UHFFFAOYSA-N Tetrakis(2-hydroxypropyl)ethylenediamine Chemical compound CC(O)CN(CC(C)O)CCN(CC(C)O)CC(C)O NSOXQYCFHDMMGV-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 4
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920000768 polyamine Polymers 0.000 claims description 3
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 claims description 2
- 239000004902 Softening Agent Substances 0.000 claims description 2
- 230000003712 anti-aging effect Effects 0.000 claims description 2
- 239000006229 carbon black Substances 0.000 claims description 2
- 150000002191 fatty alcohols Chemical class 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 230000001408 fungistatic effect Effects 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 229940059574 pentaerithrityl Drugs 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- 239000010458 rotten stone Substances 0.000 claims description 2
- 230000002087 whitening effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 abstract 6
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 abstract 3
- 239000001294 propane Substances 0.000 abstract 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 abstract 1
- 229960004793 sucrose Drugs 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229920001451 polypropylene glycol Polymers 0.000 description 4
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 4
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1-dodecene Chemical group CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 238000012644 addition polymerization Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 125000005702 oxyalkylene group Chemical group 0.000 description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- AKNUHUCEWALCOI-UHFFFAOYSA-N N-ethyldiethanolamine Chemical compound OCCN(CC)CCO AKNUHUCEWALCOI-UHFFFAOYSA-N 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- QATBRNFTOCXULG-UHFFFAOYSA-N n'-[2-(methylamino)ethyl]ethane-1,2-diamine Chemical compound CNCCNCCN QATBRNFTOCXULG-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 2
- 229960004418 trolamine Drugs 0.000 description 2
- OTPDWCMLUKMQNO-UHFFFAOYSA-N 1,2,3,4-tetrahydropyrimidine Chemical compound C1NCC=CN1 OTPDWCMLUKMQNO-UHFFFAOYSA-N 0.000 description 1
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 1
- BRKHZWFIIVVNTA-UHFFFAOYSA-N 4-cyclohexylmorpholine Chemical compound C1CCCCC1N1CCOCC1 BRKHZWFIIVVNTA-UHFFFAOYSA-N 0.000 description 1
- HVCNXQOWACZAFN-UHFFFAOYSA-N 4-ethylmorpholine Chemical compound CCN1CCOCC1 HVCNXQOWACZAFN-UHFFFAOYSA-N 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- KGWDUNBJIMUFAP-KVVVOXFISA-N Ethanolamine Oleate Chemical compound NCCO.CCCCCCCC\C=C/CCCCCCCC(O)=O KGWDUNBJIMUFAP-KVVVOXFISA-N 0.000 description 1
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 1
- SVYKKECYCPFKGB-UHFFFAOYSA-N N,N-dimethylcyclohexylamine Chemical compound CN(C)C1CCCCC1 SVYKKECYCPFKGB-UHFFFAOYSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 1
- SLINHMUFWFWBMU-UHFFFAOYSA-N Triisopropanolamine Chemical compound CC(O)CN(CC(C)O)CC(C)O SLINHMUFWFWBMU-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- IMUDHTPIFIBORV-UHFFFAOYSA-N aminoethylpiperazine Chemical compound NCCN1CCNCC1 IMUDHTPIFIBORV-UHFFFAOYSA-N 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229960002887 deanol Drugs 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 description 1
- 239000012972 dimethylethanolamine Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexamethylene diamine Natural products NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- CRVGTESFCCXCTH-UHFFFAOYSA-N methyl diethanolamine Chemical compound OCCN(C)CCO CRVGTESFCCXCTH-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NXHXNTAEDQTBLD-UHFFFAOYSA-N n,n-dimethyl-3-(triazinan-1-yl)propan-1-amine Chemical class CN(C)CCCN1CCCNN1 NXHXNTAEDQTBLD-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 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
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention relates to chemical material. The material for producing hard polyurethane foam includes: polyol based on cane sugar 30-50 wt%, polyepoxy ethane/polyepoxy propane polyether polyol with molecular weight of 500-800 and based on sorbic alcohol 14-30 wt%, polyepoxy ethane/polyepoxy propane polyether polyol with molecualr weight of 100-300 and based on amines 0-10 wt%, linear polyepoxy ethane/polyepoxy propane polyether polyol with 500-1000 molecular weight 5-15 wt%, polyester polyol with 200-700 molecular weight and based on aromatic acid anhydride 0-10 wt%, other compound with 60-500 molecular weight and with at least one hydrogen atom capable of reacting with isocyanate 1-5 wt%, water 1-7 wt%, amine catalyst 0.5-5.0 wt% and optional supplementary material and/or additive 1-15 wt%.
Description
Technical field
What the present invention relates to is a kind of combination polyvalent alcohol chemical materials, and especially a kind of combination polyvalent alcohol of producing hard polyurethane foams belongs to chemical material field.
Technical background
Hard polyurethane foams has characteristics such as insulation effect is good, and specific tenacity is big, and electric property, chemical-resistant resistance and soundproof effect are superior, is widely used as heat-insulating material, structured material and " synthetic wood " etc.Today, hard polyurethane foams has been penetrated into a lot of departments such as building, petrochemical complex, refrigeration, shipbuilding, vehicle, aviation, machinery, instrument, as thermal insulation material and structured material.Pouring foaming is the forming method of using always, and the rigid urethane foam more than 50% is with this method moulding.The pouring foaming operating process is: press formula rate, behind various chemical feedstocks uniform mixing, inject the cavity (for example between the refrigerator inner and outer shell) of mould or product, foam when chemical reaction takes place, make rigid urethane foam.How refrigerator and cold subtracting during case produces keep box sizes, face shaping indeformable, always are problems of noting.The hard polyurethane foam foam theory is, reaction heat makes the expansion of the carbon dioxide that fluoro trichloromethane vaporization or water and isocyanate reaction generate, and this expansion will cause the interior voltage rise height of foam system.This must make casing bear pressure.If reactive force leaves under the anchor clamps demoulding situation at casing especially too early excessive, and this overbottom pressure of foam can make box sizes change.This notion of release property comprises whether demould time length and box deformation wait factor.Release property is subjected to about chemistry and technology two aspect factors institutes.In chemical factor, polyether glycol is a key factor that influences release property.See " urethane foam " for details, Fang Yusheng, Zhu Lvmin etc. write, in August, 1994 first version, ISBN7-5025-1201-2/TQ694, Chemical Industry Press, the 433rd, 435 page, this technology release property is poor, then in order to guarantee the quality of product, must prolong the time of the demoulding, this has just reduced production efficiency, has improved production cost.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, the present invention proposes a kind of production hard polyurethane foams with making up polyvalent alcohol, under the condition that does not change production unit and technology, the hard polyurethane foams of production still can shorten demould time, realizes fast demoulding.Combination polyvalent alcohol recipe ingredient of the present invention is:
(1) weight percent is: 30～50 is 500～800 polyethylene oxide/propylene oxide polyethers based on sucrose, molecular weight;
(2) weight percent is: 14～30 is 500～800 polyethylene oxide/propylene oxide polyethers based on sorbyl alcohol, molecular weight;
(3) weight percent is: 0～10 based on aliphatic series single-, two-or polyamines, molecular weight be 100～300 polyethylene oxide/propylene oxide polyethers;
(4) weight percent is: 5～15 molecular weight are 500～1000 line style polyethylene oxide/propylene oxide polyethers;
(5) weight percent is: 0～10 based on aromatic anhydride, and molecular weight is 200～700 polyester;
(6) weight percent is: 1～5 the hydrogen atom, the molecular weight that comprise at least 2 energy and isocyanate-reactive is other compounds of 60～500;
(7) weight percent is: 1～7 water;
(8) weight percent is: 0.5～5.5 amines catalyst;
(9) weight percent is: 1～15 auxiliary material and/or the additive of choosing wantonly.
The described component of combination polyvalent alcohol of the present invention (1) is to be the polyether glycol of initiator with sucrose, and this polyether glycol mainly by weight percent is: 70～100 1,2 epoxy prapane and weight percent are: 0～30 oxyethane is formed.Described component (2) is to be the polyether glycol of initiator with the sorbyl alcohol, and this polyether glycol mainly by weight percent is: 70～100 1,2 epoxy prapane and weight percent are: 0～30 oxyethane is formed.
Above-mentioned polyether glycol is by the oxyalkylene such as oxyethane, propylene oxide, oxybutylene, oxidation dodecylene or Styrene oxide 98min., preferred propylene oxide or oxyethane, and the addition polymerization between the precursor compound prepares, the mixture of the polyhydroxy-alcohol such as sucrose and sorbyl alcohol and this class alcohol and water, glycerine, propylene glycol, ethylene glycol or glycol ether uses as initial compounds.By using, can obtain the mechanical property of common desired hard polyurethane foams according to these polyvalent alcohols of the present invention.
The combination polyvalent alcohol of the present invention described component (3) of filling a prescription is to be the polyether glycol of initiator with the quadrol, and this polyether glycol mainly by weight percent is: 70～100 1,2 epoxy prapane and weight percent are: 0～30 oxyethane is formed.
This polyether glycol be by---such as oxyethane, propylene oxide, oxybutylene, the oxyalkylene of oxidation dodecylene or Styrene oxide 98min. and so on, preferred propylene oxide or oxyethane, with aliphatic series single-, two-or polyamines, as quadrol, the oligopolymer of quadrol (as, diethylenetriamine, Triethylenetetramine (TETA) or penten), thanomin, diethanolamine, trolamine, the N-methyl-or the N-ethyldiethanolamine, 1, the 3-propylene diamine, 1,3-or 1,4-butanediamine or 1,2-, 1,3-, 1,4-, 1,5-or 1, the 6-hexamethylene-diamine--between addition polymerization obtain.
The combination polyvalent alcohol of the present invention described component (4) of filling a prescription is to be the polyether glycol of initiator with propylene glycol or glycerine, this polyether glycol mainly by weight percent is: 70～100 1,2 epoxy prapane and weight percent are: 0～30 oxyethane is formed.
This polyether glycol is by--the oxyalkylene such as oxyethane, propylene oxide, oxybutylene, oxidation dodecylene or Styrene oxide 98min., preferred propylene oxide or oxyethane, and the initial compounds such as water, propylene glycol, ethylene glycol or glycol ether--between addition polymerization obtain.
The combination polyvalent alcohol of the present invention described component (5) of filling a prescription is the polyester polyol that forms with Tetra hydro Phthalic anhydride and polyol condensating.
The combination polyvalent alcohol of the present invention described component (6) of filling a prescription is the unit molecule polyvalent alcohol, as, ethylene glycol, glycol ether, propylene glycol, glycerine or tetramethylolmethane.
Being used for catalyzer of the present invention is amines catalyst, comprising of the amines catalyst of this type: triethylenediamine, N, the N-dimethylcyclohexylamine, tetramethylene-diamine, 1-methyl-4-diformazan aminoethyl piperazine, triethylamine, Tributylamine, dimethyl benzylamine, N, N '; N "-three (dimethylaminopropyl)-Hexahydrotriazines, the dimethylaminopropyl methane amide, N, N, N '; N "-tetramethyl butane diamine, 4-methyl hexamethylene diamine, five methyl diethylentriamine, tetramethyl-diamino ethyl ether, lupetazin, 1, the 2-methylimidazole, 1-aza-bicyclo-(3,3,0)-and octane, two-(dimethylaminopropyl)-urea, N-ethylmorpholine, N-cyclohexyl morpholine, 2,3-diformazan-3,4,5,6-base tetrahydropyrimidine, trolamine, diethanolamine, tri-isopropanolamine, N methyldiethanol amine, the N-ethyldiethanolamine, dimethylethanolamine, three-(N, N-dimethylaminopropyl)-s-Hexahydrotriazine, tetramethylammonium hydroxide, perhaps their mixture or similarly catalyzer.
The polyvalent alcohol formulation of the inventive method comprises component water, and its preferred weight percent is: 1.0～2.0.
Optional subsidiary material and/or additive refer to use paraffin or Fatty Alcohol(C12-C14 and C12-C18) or dimethyl polysiloxane, and even the stablizer of pigment or tinting material, anti-aging or anti-weather effect, softening agent and have mildew-resistant and the material of fungistatic effect, also can be used, equally, also can use filler, as barium sulfate, tripoli, carbon black or whitening agent.
The present invention has substantive distinguishing features and marked improvement, and foam material can be used for construction industry and is used for the pipeline of long-term heating or the thermal insulation of container, can also and be used for foaming in the home freezer housing hollow space as the application in composite component middle layer.Adopt catalyst system of the present invention, when producing hard polyurethane foams, equal energy fast demoulding, and have the excellent comprehensive performance.This product is specially adapted to the thermal insulation of home freezer, refrigerator etc.Enhance productivity greatly, save production cost.
Embodiment
Provide three specific embodiments below in conjunction with content of the present invention, the related combination polyvalent alcohol employed raw material of filling a prescription:
(1) based on the molecular weight of sucrose is poly(propylene oxide)/oxyethane polyether glycol of 800
(2) based on the molecular weight of sorbyl alcohol be 700 poly(propylene oxide) polyether glycol
(3) based on the molecular weight of quadrol be 150 poly(propylene oxide) polyether glycol
(4) based on the molecular weight of propylene glycol be 400 poly(propylene oxide) polyether glycol
(5) molecular weight that forms with phthalic anhydride and polyvalent alcohol polycondensation is 300 polyester polyol
(6) glycerine
(7) water
(8) catalyzer: N, N-dimethylcyclohexylamine/five methyl diethylentriamine=2/1
(9) subsidiary material: dimethyl polysiloxane
Be mixed with the combination polyvalent alcohol with above 9 kinds of raw materials by certain formula rate, get the combination polyvalent alcohol weight percent 100 after the preparation then,, generate hard polyurethane foams with whipping agent and isocyanate reaction.
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Component (1) weight percent | ????50 | ????40 | ????30 |
| Component (2) weight percent | ????30 | ????22 | ????30 |
| Component (3) weight percent | ????0 | ????7 | ????10 |
| Component (4) weight percent | ????15 | ????10 | ????5 |
| Component (5) weight percent | ????0 | ????5 | ????5 |
| Component (6) weight percent | ????2 | ????3 | ????5 |
| Component (7) weight percent | ????1.0 | ????2.0 | ????1.5 |
| Component (8) weight percent | ????1.0 | ????2.0 | ????0.5 |
| Component (9) weight percent | ????1.0 | ????9.0 | ????13 |
| Whipping agent: 141b | ????26 | ????24 | |
| Whipping agent: pentamethylene | ????14 | ||
| The isocyanic acid acid esters | ????125 | ????150 | ????130 |
| Produce product | The plate of 1350*2600*90 | The 260L refrigerator | The plate of 1350*2600*90 |
| Useful effect: demould time (branch) | ????12 | ????5 | ????15 |
| Regular convention formula demould time (branch) | ????20-30 | ????10-12 | ????30-40 |
Embodiment 1～3 shows, when mixing according to combination polyvalent alcohol prescription of the present invention and whipping agent, isocyanic ester when producing product, the hard polyurethane foams that is obtained all can the demoulding in the relatively short time, and shows the excellent properties of realistic requirement.
Claims (9)
1, a kind of combination polyvalent alcohol that is used to produce hard polyurethane foams is characterized in that its prescription comprises 9 kinds of components:
(1) weight percent is: 30～50 based on sucrose, and molecular weight is 500～800 polyethylene oxide/propylene oxide polyether glycol,
(2) weight percent is: 14～30 based on sorbyl alcohol, and molecular weight is 500～800 polyethylene oxide/propylene oxide polyether glycol,
(3) weight percent is: 0～10 with single-, two-or polyamines be basic, molecular weight is 100～300 polyethylene oxide/propylene oxide polyether glycol,
(4) weight percent is: 5～15 molecular weight is 500～1000 linear polyethylene oxide/propylene oxide polyether glycol,
(5) weight percent is: 0～10 based on aromatic anhydride, and molecular weight is 200～700 polyester polyol,
(6) weight percent is: 1～5 at least 2 energy and the hydrogen atom of isocyanate reaction, and molecular weight is other compounds of 60～500,
(7) weight percent is: 1～7 water,
(8) weight percent is: 0.5～5.5 amines catalyst,
(9) weight percent is: 1～15 optional subsidiary material and/or additive.
2, this combination polyvalent alcohol prescription according to claim 1, it is characterized in that, described component (1) is to be the polyether glycol of initiator with sucrose, this polyether glycol mainly by weight percent is: 70～100 1,2 epoxy prapane and weight percent are: 0～30 oxyethane is formed.
3, this combination polyvalent alcohol prescription according to claim 1, it is characterized in that, described component (2) is to be the polyether glycol of initiator with the sorbyl alcohol, this polyether glycol mainly by weight percent is: 70～100 1,2 epoxy prapane and weight percent are: 0～30 oxyethane is formed.
4, this combination polyvalent alcohol prescription according to claim 1, it is characterized in that, described component (3) is to be the polyether glycol of initiator with the quadrol, this polyether glycol mainly by weight percent is: 70～100 1,2 epoxy prapane and weight percent are: 0～30 oxyethane is formed.
5, this combination polyvalent alcohol prescription according to claim 1, it is characterized in that, described component (4) is to be the polyether glycol of initiator with propylene glycol or glycerine, this polyether glycol mainly by weight percent is: 70～100 1,2 epoxy prapane and weight percent are: 0～30 oxyethane is formed.
6, this combination polyvalent alcohol prescription according to claim 1 is characterized in that described component (5) is the polyester polyol that forms with Tetra hydro Phthalic anhydride and polyol condensating.
7, this combination polyvalent alcohol prescription according to claim 1 is characterized in that described component (6) is the unit molecule polyvalent alcohol, as, ethylene glycol, glycol ether, propylene glycol, glycerine or tetramethylolmethane.
8, this combination polyvalent alcohol prescription according to claim 1, it is characterized in that described component (7) weight percent is: 1～7 water, its preferred weight percent is: 1.0～2.0.
9, this combination polyvalent alcohol prescription according to claim 1, it is characterized in that described optional subsidiary material and/or additive refer to use paraffin or Fatty Alcohol(C12-C14 and C12-C18) or dimethyl polysiloxane, the stablizer of pigment or tinting material, anti-aging or anti-weather effect, softening agent and have mildew-resistant and the material of fungistatic effect, perhaps use filler, as barium sulfate, tripoli, carbon black or whitening agent.
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| CNB021512817A CN1182175C (en) | 2002-12-12 | 2002-12-12 | Composite polyol for producing hard polyurethane foam |
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