发明授权
US5898048A Polyimide powder and process for producing powder molded body 失效
聚酰亚胺粉末及其制造方法

Polyimide powder and process for producing powder molded body
摘要:
Aromatic polyimide powder wherein a solid portion consisting of a highly heat resistant crystalline aromatic polyimide is covered with a coating layer of an amorphous polyimide, and a process for producing polyimide powder molded bodies by compression molding of the powder. The polyimide powder has satisfactory secondary molding workability, and molding thereof gives molded bodies which retain heat resistance and dimensional stability while having high mechanical strength and elongation.
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