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日本发明的一种 EC-1型塑料透明度改良剂经美国食品和药物管理局批准,作为种安全的添加剂。EC-1型添加剂是一种新颖的塑料改良剂,主要由通过脱水和聚合作用产生的双苯亚甲基山梨糖醇组成。这种新型的添加剂不但可增强聚烯烃材料的透明度,还可改善模塑成型产品的尺寸稳定性和刚性。EC-1型
Japan invented an EC-1 plastic transparency improver approved by the US Food and Drug Administration as a kind of safe additives. The EC-1 additive is a novel plastic modifier consisting mainly of bisbenzylidene sorbitol produced by dehydration and polymerization. This new additive not only enhances the transparency of polyolefin materials but also improves the dimensional stability and rigidity of molded products. EC-1 type