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process for the production of wu00e4rmehu00e4rtbaren mists of particles from polyamidsu00e4ure, polyimid or networked polyimid
process for the production of wu00e4rmehu00e4rtbaren mists of particles from polyamidsu00e4ure, polyimid or networked polyimid
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机译:聚酰胺,聚酰亚胺或网状聚酰亚胺的颗粒的稀雾生产方法
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摘要
An object of the invention is to provide thermosetting amic acid microfine particles, thermosetting imide microfine particles and crosslinked imide microfine particles of controlled particle shape and size distribution. The invention provides a production technology which comprises mixing a first solution containing a tetracarboxylic anhydride and a C=C bond-containing acid anhydride with a second solution containing a diamine compound, causing precipitation of thermosetting amic acid microfine particles from the resulting mixture, and further producing thermosetting imide microfine particles and crosslinked imide microfine particles from the thermosetting amic acid microfine particles.
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