本文报导了苯乙烯—甲基丙烯酸铅新型光学塑料的合成及其性能的测试。
This paper reports the synthesis of a new optical plastic in the styrene-lead dimethacrylate copolymer and measurements of its properties.
其他塑料可以二次通过再热的方式恢复到可塑性状态，这些是热塑性塑料，如丙烯酸树脂，尼龙和聚乙烯。
Other plastics can be repeatedly reheated to return to the plastic state; they are thermoplastics. Examples of thermoplastic plastics are acrylics, nylon, and polyethylene.
介绍了医用塑料的分类、特点，阐述了聚氯乙烯、液晶聚合物、聚甲基丙烯酸甲酯等在医疗器械、医疗用品、人工脏器等方面的应用；
The classification and characteristics of the medical plastics are introduced. The application of PVC, liquid crystal polymer, PMMA, etc. in the medical and hygienical fields is explained.
介绍了医用塑料的分类、特点，阐述了聚氯乙烯、液晶聚合物、聚甲基丙烯酸甲酯等在医疗器械、医疗用品、人工脏器等方面的应用；
The classification and characteristics of the medical plastics are introduced. The application of PVC, liquid crystal polymer, PMMA, etc. in the medical and hygienical fields is explained.
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