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US5478917A Solutions of polyimide-forming substances and their use as coating compositions 失效
聚酰亚胺形成物质的解决方案及其作为涂料组合物的用途

Solutions of polyimide-forming substances and their use as coating
compositions
摘要:
Solutions of polyimide-forming substances containA) aromatic or partly aromatic polyamines andB) amides or a mixture of esters and amides of tetracarboxylic acids.Solutions are useful as coating compositions.
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