生产塑料时，着色剂的作用是（　） -题库考试答案搜索网

生产塑料时，着色剂的作用是（　）

单选题

2021-09-02 13:45

A、使塑料制品具有鲜艳的色彩和光泽
B、使线型高聚物交联成体型高聚物，从而制得坚硬的塑料制品
C、可提高塑料的强度、硬度、韧性、耐热性、耐老化性、抗冲击性等
D、提高塑料加工时的可塑性、流动性以及塑料制品在使用时的弹性和柔软性

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正确答案

A

试题解析

标签：国家开放大学建筑材料(A)

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