聚甲醛生产工艺有均聚甲醛和共聚甲醛两种，本项目拟采用共聚甲醛工艺技术。
The production technique of polyoxymethylene can be divided into homopolymer technique and copolymer technique. In this project, copolymer technique will be applied.
结果表明，改性聚甲醛的分子量得到了较好的保持，抗冲击韧性及断裂伸长率均明显优于未改性聚甲醛。
The result showed the molecular weight of modified POM were kept well, which leaded higher impact strengh and elongation at break than pure POM.
结果表明，改性聚甲醛的分子量得到了较好的保持，抗冲击韧性及断裂伸长率均明显优于未改性聚甲醛。
The result showed the molecular weight of modified POM were kept well, which leaded higher impact strengh and elongation at break than pure POM.
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