Processes of thermoforming and blow molding are inflation of plastics sheets, mechanics of the processes involves large deformations of a hot polymer membrane.

热成型和中空成型过程实质上是热塑料膜的膨胀过程，它们都涉及到材料的大变形。

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He created this composite by growing a forest of nanotubes using hot hydrocarbon gases and an iron catalyst, and then filling the space between the tubes with the polymer.

材料的合成过程是这样：首先，他使高温碳氢混合气体和铁催化剂相互作用产生密集的碳纳米管群，然后再用聚合物充填碳纳米管间的空隙。

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A hot research spot of polymer material auxiliary reagent is flame retardant. And the environmental safety of flame retardants is of more and more importance.

阻燃剂是高分子材料助剂研究中的一个热点，阻燃材料的环境安全性越来越受到重视。

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