Flame-retardant rigid polyurethane foam and preparation method thereof
The invention belongs to the technical field of flame-retardant polyurethane foam, and particularly relates to flame-retardant rigid polyurethane foam and a preparation method thereof. The flame-retardant rigid polyurethane foam is prepared from a black material and a white material, the white mater...
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| creator | NING XIAOLONG JI XIANGHUI CHENG ZHUHONG GONG TIANLAI |
| description | The invention belongs to the technical field of flame-retardant polyurethane foam, and particularly relates to flame-retardant rigid polyurethane foam and a preparation method thereof. The flame-retardant rigid polyurethane foam is prepared from a black material and a white material, the white material comprises the following raw materials: polyether polyol, a phosphate flame retardant, an inorganic powder filler, a foam stabilizer, a foaming agent, a catalyst and a wetting dispersant, and the black material is isocyanate; the inorganic powder filler is composed of flame-retardant inorganic powder and an accelerant; the flame-retardant inorganic powder is calcium phosphate and silicon carbide, and the accelerant is aluminum oxide. The inorganic powder filler reacts at high temperature to generate a flame-retardant film, the flame-retardant film and the phosphate flame retardant play a promoting role, compared with traditional phosphorus-containing and halogen-containing flame retardance, the flame retardance, |
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| language | chi ; eng |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | Flame-retardant rigid polyurethane foam and preparation method thereof |
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