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一种具有耐候性的BMC材料及其制备方法
基本信息:
摘要：
本发明公开了一种具有耐候性的BMC材料，所述BMC材料按其各组分占BMC材料的重量百分比主要由如下原料制备得到：耐候性不饱和聚酯树脂16～26%、低收缩添加剂4～10%、填料硫酸钙30～60%、填料硅酸钙10～20%、固化剂0.1～1%、脱模剂0.8～2%、增稠剂0.2～0.4%、抗氧化剂0.1～0.5%、助剂0.5～1.0%、耐候颜料2～4%、紫外光吸收剂0.1～0.5%、玻璃纤维12～25%，所述BMC材料的各组分的重量百分比之和为100%。所述BMC材料具有优异的抗酸碱性能、抗紫外光氧化、抗水解以及抗高低温性能，耐候性能优异。
摘要（英）：

The invention discloses a BMC (Bulk Moulding Compound) material with weather resistance. The BMC material is prepared from the following main raw materials in percent by weight in the terms of the weight of the BMC material: 16-26 percent of weather-resisting unsaturated polyester resin, 4-10 percent of low-shrinkage additive, 30-60 percent of filler calcium sulfate, 10-20 percent of filler calcium silicate, 0.1-1 percent of curing agent, 0.8-2 percent of releasing agent, 0.2-0.4 percent of thickening agent, 0.1-0.5 percent of antioxidant, 0.5-1.0 percent of assistant, 2-4 percent of weather-resisting pigment, 0.1-0.5 percent of ultraviolet absorber and 12-25 percent of glass fiber, wherein the sum of the percents by weight of all raw materials of the BMC is 100 percent. The BMC material has excellent acid and alkali resistance, ultraviolet light oxidation resistance, hydrolysis resistance, high-low temperature resistance, and weather resistance.

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