Polyurethane elastomer containing P-C-N symbiotic flame retardant, and preparation method thereof
The invention relates to a polyurethane elastomer containing a P-C-N symbiotic flame retardant, and a preparation method thereof. The preparation method comprises the following steps: putting 55-85% of a thermoplastic elastomer and 0-5% of a lubricant into a high-speed mixer, and performing high-spe...
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| creator | WU HAIYAN LI YANPING ZHENG XIAOJIE FENG CAIMIN JIANG JIALI LIANG MINYI HUANG ZHIXIN MAI QIWEN HUANG CUIHONG HUANG JIANGUANG HE ZHUOBEI PENG JIANBING LIAN CUIXIA NONG YANYAN MA YAN LI JIALU WANG YASHI CHEN SHIXIN ZHANG YIKUN |
| description | The invention relates to a polyurethane elastomer containing a P-C-N symbiotic flame retardant, and a preparation method thereof. The preparation method comprises the following steps: putting 55-85% of a thermoplastic elastomer and 0-5% of a lubricant into a high-speed mixer, and performing high-speed dispersion for 2-5 min to obtain a mixture; mixing the mixture with 14.5-40% of an intumescent flame retardant and 0.1-0.5% of an antioxidant for 5-20 min to obtain an intumescent flame-retardant mixture; and extruding and granulating the intumescent flame-retardant mixture by using a double-screw extruder or uniformly mixing by using a double-roller mixing mill to obtain the polyurethane elastomer containing the P-C-N symbiotic flame retardant, wherein the temperature of each region of the double-screw extruder or the temperature of each region of the double-roller mixing mill is set to be 170-230 DEG C. The preparation method has the following advantages: the heat resistance and the water resistance of the fla |
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The preparation method comprises the following steps: putting 55-85% of a thermoplastic elastomer and 0-5% of a lubricant into a high-speed mixer, and performing high-speed dispersion for 2-5 min to obtain a mixture; mixing the mixture with 14.5-40% of an intumescent flame retardant and 0.1-0.5% of an antioxidant for 5-20 min to obtain an intumescent flame-retardant mixture; and extruding and granulating the intumescent flame-retardant mixture by using a double-screw extruder or uniformly mixing by using a double-roller mixing mill to obtain the polyurethane elastomer containing the P-C-N symbiotic flame retardant, wherein the temperature of each region of the double-screw extruder or the temperature of each region of the double-roller mixing mill is set to be 170-230 DEG C. 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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS |
| title | Polyurethane elastomer containing P-C-N symbiotic flame retardant, and preparation method thereof |
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