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双向拉伸聚丙烯生产过程中的取向与结晶
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【化学毕业论文评语】吴增青 涂志刚（湛江包装材料企业有限公司，524022）摘要：分析了BOPP薄膜生产过程中的取向和结晶对薄膜机械力学性能和光学性能的影响，实际生产中生产工艺应该根据PP的热力学特性相应调整，以制造出双向取向度高，同时结晶微细、均匀的高性能优质BOPP薄膜。
关键词：取向，结晶，BOPP薄膜
中图分类号：TQ324；TQ314.24
The Orientation and Crystallization in Producing BOPP Film
Wu Zengqing, Tu zhigang
(Zhanjiang Packaging Material Enterprises Ltd., Guangdong, 524022)
ABSTRACT：The influences of the orientation and crystallization in producing Bi-axially Oriented Polypropylene (BOPP) film on mechanic properties and optic properties are analyzed. In order to produce high-quality BOPP film with high bi-axially orientation degree and superfine uniform crystal the processes of BOPP film should be adjusted based on the thermodynamic properties of PP in the course of practical production. KEYWORDS: Orientation, Crystallization, BOPP film
1111双向拉伸聚丙烯（BOPP）薄膜具有高光泽、高挺度、阻气性好、抗冲强度高等特点，是一种性能优良的高透明包装材料[1]。从8
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