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A PROCESS FOR REACTING AN EPOXY RESIN OR A THIOEPOXIDE WITH A POLYHYDRIC PHENOL A POLYHYDRIC THIOPHENOL A CARBOXYLIC ACIDOR A CARBOXYLIC ACID ANHYDRIDE
A PROCESS FOR REACTING AN EPOXY RESIN OR A THIOEPOXIDE WITH A POLYHYDRIC PHENOL A POLYHYDRIC THIOPHENOL A CARBOXYLIC ACIDOR A CARBOXYLIC ACID ANHYDRIDE
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机译:用多酚反应环氧树脂或硫代环氧化合物的方法多羟基硫酚羧酸或羧酸酐
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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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