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New Developments in Low Profile Additives: Low Viscosity Poly(Vinyl Acetate) LPA's

机译:低调添加剂的新发展:低粘度聚(乙酸乙烯酯)LPA

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Low viscosity (50-500 cps) low profile additives have been developed for use in semi structural and structural SMC applications using both both unsaturated polyesters and vinyl esters. These compositions allows for excellent glass wetout, physical propeties, and dimensional control. These same modified poly(vinyl acetate) low profile additives are effective shrinkage control agents in various low temperature applications. These include resin transfer molding and spray up laminates. Performance details of these unique materials in the various processing/molding methods will be outlined.
机译:使用不饱和聚酯和乙烯基酯,已经开发出低粘度(50-500cps)低型材添加剂用于半结构和结构SMC应用。这些组合物允许优异的玻璃浸出,物理化妆品和尺寸控制。这些相同的改性聚(乙酸乙烯酯)低型材添加剂是各种低温应用中的有效收缩控制剂。这些包括树脂转移成型和喷涂层压板。将概述各种加工/模塑方法中这些独特材料的性能细节。

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