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了使两种不相干的塑料很好的融在一起,常常需要借助一种助剂——相容剂
塑料改性已日渐成为塑料加工常用的方法。为了使两种不相干的塑料很好的融在一起,常常需要借助一种助剂——相容剂,要求这种助剂能与两种原料都有很好的相容性。从结构方面而言,是指借助于分子间的键合力,促使不相容的两种聚合物结合为一体,进而得到稳定的共混物。
Modification of plastics has become a common method in plastics processing. In order to make two kinds of unrelated plastics melt together well, it is often necessary to use a kind of additive compatibilizer, which is required to have good compatibility with both raw materials. From the structural point of view, it refers to the use of intermolecular bonding force to promote the two incompatible polymers to combine into one, and then get stable blends.
由上可见,相容剂的作用是十分明显的!
It can be seen from the above that the effect of compatibilizer is very obvious!
一、
1
相容剂的种类
Types of compatibilizers
分类图示
Classification diagram
非反应型增溶剂
Non reactive solubilizer
非反应型相容剂是目前比较通用相容剂。在不相容的高分子体系中通过添加非反应型相容剂而实现相容化的方法,在高分子合金技术中是最常见的。非反应型相容剂一般为共聚物,可以是嵌段共聚物,也可以是接枝共聚物或无规共聚物。
Non reactive compatibilizer is a common compatibilizer at present. It is the most common method to realize compatibility by adding non reactive compatibilizer in incompatible polymer systems. Non reactive compatibilizers are usually copolymers, which can be block copolymers, graft copolymers or random copolymers.
反应型相容剂
Reactive compatibilizer
反应型相容剂是一种同非极性高分子主链Pc及活性基团(如羟基、环氧基组成,多为无规的)组成的聚合物。
Reactive compatibilizer is a kind of polymer composed of non-polar main chain PC and active groups (such as hydroxyl group, epoxy group, mostly random).
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