聚甲基丙烯酸甲酯浇铸成膜的银纹形态与其成膜浓度的关系

叶卫珺; 沈静姝

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聚甲基丙烯酸甲酯浇铸成膜的银纹形态与其成膜浓度的关系

研究简报 | 更新时间：2021-03-19

- 聚甲基丙烯酸甲酯浇铸成膜的银纹形态与其成膜浓度的关系
- EFFECT OF CONCENTRATION ON THE CRAZE MORPHOLOGY FOR SOLUTION CASTED POLY (METHYL METHACRYLATE) FILMS
- 高分子学报 1995年第3期页码：380-384
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- 纸质出版日期：1995-6-20，
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叶卫珺, 沈静姝. 聚甲基丙烯酸甲酯浇铸成膜的银纹形态与其成膜浓度的关系[J]. 高分子学报, 1995,(3):380-384.

YE Wei-jun, SHEN Jing-shu. EFFECT OF CONCENTRATION ON THE CRAZE MORPHOLOGY FOR SOLUTION CASTED POLY (METHYL METHACRYLATE) FILMS[J]. Acta Polymerica Sinica, 1995,(3):380-384.
叶卫珺, 沈静姝. 聚甲基丙烯酸甲酯浇铸成膜的银纹形态与其成膜浓度的关系[J]. 高分子学报, 1995,(3):380-384. DOI：

YE Wei-jun, SHEN Jing-shu. EFFECT OF CONCENTRATION ON THE CRAZE MORPHOLOGY FOR SOLUTION CASTED POLY (METHYL METHACRYLATE) FILMS[J]. Acta Polymerica Sinica, 1995,(3):380-384. DOI：

摘要

Abstract

The Morphology of crazes in ultrathin film of poly (methyl methacrylate) prepared by evaporation from different concentration solutions has been observed by TEM. The craze morphology was affected strongly by casting concentrations.When concentration was either too low or too high

only homogeneous deformation zones (DZs) were observed

whose microstructure with their inner microvoids were different from each other. When concentration was within the proper range

both crazes and DZs were observed. With the concentration increasing

the mechanical properties of film were improved. It could also be concluded that fibrillar ceazes initiated in the deformation zones

and the microfibril breakdown took place in the middle of its fibril.

关键词

银纹缠结密度均匀形变区聚甲基丙烯酸甲酯

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