【简答题】
造粒的目的
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答案
(1)改善树脂的形态,也方便了包装运输,因为粉末比较疏松,表面积大,易吸水,易老化。(2)分散添加剂(如抗氧、抗老、爽滑剂),增加树脂的贮存稳定性和加工稳定性,扩大使用范围。(3)分散凝胶,改善产品性能。(4)改变分子结构,使分子量分布变窄。
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