CN104974326B - 一种制备不黄变软质聚氨酯泡沫的组合物、不黄变软质聚氨酯泡沫及其制备方法 - Google Patents
一种制备不黄变软质聚氨酯泡沫的组合物、不黄变软质聚氨酯泡沫及其制备方法 Download PDFInfo
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- CN104974326B CN104974326B CN201410132456.3A CN201410132456A CN104974326B CN 104974326 B CN104974326 B CN 104974326B CN 201410132456 A CN201410132456 A CN 201410132456A CN 104974326 B CN104974326 B CN 104974326B
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Classifications
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- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
-
- 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
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Abstract
Description
1# | 2# | 3# | 4# | 5# | 对比例1 | 对比例2 | |
IPDI(g) | 300 | 300 | 300 | 220 | 240 | 300 | 240 |
H12MDI(g) | -- | -- | -- | 80 | 100 | -- | 100 |
多元醇1(g) | 175 | 155 | 140 | 195 | 130 | 170 | 170 |
多元醇2(g) | 30 | 40 | 20 | 80 | 35 | 80 | 80 |
多元醇3(g) | 32 | -- | -- | 52 | -- | -- | -- |
多元醇4(g) | -- | 27 | -- | -- | 18 | -- | -- |
多元醇5(g) | -- | --- | 20 | -- | -- | -- | -- |
多元醇6(g) | 8 | 6 | -- | 8 | -- | -- | -- |
多元醇7(g) | -- | --- | 10 | -- | 10 | -- | -- |
添加剂1(g) | 0.02 | -- | -- | -- | -- | -- | -- |
添加剂2(g) | -- | -- | 0.027 | 0.026 | 0.052 | -- | -- |
添加剂3(g) | -- | 0.04 | -- | -- | -- | -- | -- |
A33(g) | -- | -- | -- | -- | -- | 2.75 | 2.95 |
NCO含量wt% | 19.3 | 19.5 | 20.0 | 15.5 | 21.8 | 19.0 | 19.3 |
配方编号 | 1# | 2# | 3# | 4# | 5# | 6# | 7# | 8# |
密度(Kg/m3) | 35 | 36 | 39 | 35 | 40 | 42 | 41 | 45 |
硬度(邵F) | 40 | 30 | 42 | 27 | 35 | 50 | 53 | 50 |
回弹率(%) | 30 | 46 | 26 | 50 | 42 | 30 | 22 | 30 |
光照黄变等级 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
抗NOx烟熏等级 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 | 4-5 |
Claims (24)
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US10927212B2 (en) * | 2016-05-12 | 2021-02-23 | Basf Se | Viscoelastic foams having high density |
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