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1.发明授权Aromatic-heterocyclic polymers,prepolymers thereof and process for preparation thereof 失效芳香杂环聚合物，其制备方法及其制备方法
公开(公告)号：US3681284A
公开(公告)日：1972-08-01
申请号：US3681284D
申请日：1970-11-30
Applicant: CENTRE NAT ETD SPATIALES
Inventor： GRUNDSCHOBER FRIEDRICH , ARENDT JOHN HARRY
CPC classification number: C08G73/20
Abstract: AN AROMATIC-HETEROCYCLIC, THERMALLY STABLE, LADDER TYPE POLYMER WHICH CONTAINS, IN ITS HIGH MOLECULAR WEIGHT MAIN CHAIN, A LINK HAVING DIBENZODIOXINE AS ONE OF ITS CONSTITUENTS. THE INVENTION ALSO RELATES TO A PROCESS OF PREPARING SAID POLYMER AND A PREPOLYMER FORMED DURING SAID PROCESS.
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