CN117551385B - 阻燃、耐光、低voc、易渗透水性聚氨酯涂料的制备方法 - Google Patents
阻燃、耐光、低voc、易渗透水性聚氨酯涂料的制备方法 Download PDFInfo
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- CN117551385B CN117551385B CN202311128542.2A CN202311128542A CN117551385B CN 117551385 B CN117551385 B CN 117551385B CN 202311128542 A CN202311128542 A CN 202311128542A CN 117551385 B CN117551385 B CN 117551385B
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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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- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/4804—Two or more polyethers of different physical or chemical nature
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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
- C08G18/28—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
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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
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- C08G18/40—High-molecular-weight compounds
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Abstract
Description
性质 | 未加材料 | |
VOC/% | 10.2 | 未加饱和亚硫酸氢钠 |
VOC/% | 2.1 | 未加氨基甲酸乙酯 |
性质 | 未加材料 | |
表面张力(mN/m) | 78.23 | 未加丁基糖苷 |
渗透时间(s) | 12.3 | 未加丁基糖苷 |
表面张力(mN/m) | 56.42 | 加丁基糖苷,未加本步马来酸酐 |
渗透时间(s) | 9.8 | 加丁基糖苷,未加本步马来酸酐 |
表面张力(mN/m) | 65.47 | 加丁基糖苷,未加柠檬酸 |
渗透时间(s) | 10.2 | 加丁基糖苷,未加柠檬酸 |
实例一 | 实例二 | 实例三 | 对比专利 | |
剩炭率/% | 74.7 | 75.3 | 77.4 | 72.6 |
膨胀高度/cm | 5.93 | 5.89 | 5.93 | 5.69 |
Claims (6)
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