摘要
聚酰亚胺由于兼具高的透气性和气体选择性,因此在气体分离膜领域应用广泛。本文通过对聚酰亚胺气体分离膜领域国内外相关专利进行统计和分析,探讨了专利申请趋势、国别及主要申请人的特点。
Polyimide is widely used in the field of gas separation membranes because of its high gas permeability and gas selectivity. In this paper, through the statistics and analysis of related patents in the field of polyimide gas separation membrane, the characteristics of patent application tendency, national distribution and the dominated applicants were discussed.
作者
高斌
张平
陈佳佳
Gao Bin;Zhang Ping;Chen Jiajia(Patent Examination Cooperation Center of the Patent Office,SIPO,Tianjin 300304,China)
出处
《广东化工》
CAS
2018年第17期119-120,共2页
Guangdong Chemical Industry
关键词
聚酰亚胺
气体分离膜
专利
polyimide
gas separation membrane
patent
