SMC sheet applied to rail transit, molded product and preparation method of molded product
The invention relates to an SMC sheet applied to rail transit, a molded product and a preparation method of the molded product. The SMC sheet comprises an SMC sheet resin paste and glass fibers, and the SMC sheet resin paste comprises, in parts by weight, 70-80 parts of vinyl resin, 20-30 parts of a...
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| creator | ZHAI JUNMING ZHANG WEIJUN ZHANG CUIMIAO MENG ZHANGUANG CHEN FENG |
| description | The invention relates to an SMC sheet applied to rail transit, a molded product and a preparation method of the molded product. The SMC sheet comprises an SMC sheet resin paste and glass fibers, and the SMC sheet resin paste comprises, in parts by weight, 70-80 parts of vinyl resin, 20-30 parts of a low shrinkage agent, 4-6 parts of a solvent, 1.2-2 parts of a curing agent, 3-4 parts of an auxiliary agent, 0.04-0.1 part of a polymerization inhibitor, 5-10 parts of an organic flame retardant, 60-80 parts of an inorganic flame retardant, 5-8 parts of a release agent and 7-10 parts of a thickening agent; and the weight of the glass fibers accounts for 40-45% of the total weight of the SMC sheet resin paste and the glass fibers. Through the design of the SMC sheet applied to rail transit, the technical problems that in the prior art, the mechanical performance of a composite material applied to the field of rail transit cannot meet the requirement while high flame retardance, electrical performance and high tempe |
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The SMC sheet comprises an SMC sheet resin paste and glass fibers, and the SMC sheet resin paste comprises, in parts by weight, 70-80 parts of vinyl resin, 20-30 parts of a low shrinkage agent, 4-6 parts of a solvent, 1.2-2 parts of a curing agent, 3-4 parts of an auxiliary agent, 0.04-0.1 part of a polymerization inhibitor, 5-10 parts of an organic flame retardant, 60-80 parts of an inorganic flame retardant, 5-8 parts of a release agent and 7-10 parts of a thickening agent; and the weight of the glass fibers accounts for 40-45% of the total weight of the SMC sheet resin paste and the glass fibers. 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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 METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | SMC sheet applied to rail transit, molded product and preparation method of molded product |
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