CN104974326A - 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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- CN104974326A CN104974326A CN201410132456.3A CN201410132456A CN104974326A CN 104974326 A CN104974326 A CN 104974326A CN 201410132456 A CN201410132456 A CN 201410132456A CN 104974326 A CN104974326 A CN 104974326A
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Classifications
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- 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
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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 (15)
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Denomination of invention: Preparation of non yellowing soft polyurethane foam, non yellowing soft polyurethane foam and preparation method thereof Effective date of registration: 20211123 Granted publication date: 20171226 Pledgee: Bank of China Limited by Share Ltd. Yantai branch Pledgor: Wanhua Chemical Group Co.,Ltd. Registration number: Y2021980013026 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220622 Granted publication date: 20171226 Pledgee: Bank of China Limited by Share Ltd. Yantai branch Pledgor: Wanhua Chemical Group Co.,Ltd. Registration number: Y2021980013026 |