首页>
外国专利>
Linear spiropolyimides - and their prodn from eg methane - tetra-acetic acid and a diamine
Linear spiropolyimides - and their prodn from eg methane - tetra-acetic acid and a diamine
展开▼
机译:线型螺聚酰亚胺-及其由甲烷生成的-四乙酸和二胺
展开▼
页面导航
摘要
著录项
相似文献
摘要
Linear spiropolyimides of formula: (where R is a divalent gp.) may be prod. by polymsn. of methane tetra-acetic acid with a diamine at 225 - 350 degrees C.
展开▼