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A PROCESS FOR REACTING AN EPOXY RESIN OR A THIOEPOXIDE WITH A POLYHYDRIC PHENOL, A POLYHYDRIC THIOPHENOL, A CARBOXYLIC ACID OR A CARBOXYLIC ACID ANHYDRIDE
A PROCESS FOR REACTING AN EPOXY RESIN OR A THIOEPOXIDE WITH A POLYHYDRIC PHENOL, A POLYHYDRIC THIOPHENOL, A CARBOXYLIC ACID OR A CARBOXYLIC ACID ANHYDRIDE
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机译:用多酚,多酚,酚或羧酸酐与环氧树脂或硫代环氧丙烷反应的方法
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摘要
Novel advanced epoxy resins are prepared using phosphine or phosphonium salt initiators bearing at least one hydroxyphenyl or thiophenyl groups. These phosphonium salt initiators are novel compositions of matter. The resulting resins contain reduced quantities of extractable phosphorus containing moieties.
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