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PROCESS FOR THE PREPARATION OF A FLAME-RETARDANT MODIFIED STYRENE-MALEIC ANHYDRIDE RESIN AND A COMPOSITION OF EPOXY RESINS AND THEIR APPLICATION TO COPPER CLAD LAMINATE AND PREPREG
PROCESS FOR THE PREPARATION OF A FLAME-RETARDANT MODIFIED STYRENE-MALEIC ANHYDRIDE RESIN AND A COMPOSITION OF EPOXY RESINS AND THEIR APPLICATION TO COPPER CLAD LAMINATE AND PREPREG
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机译：阻燃改性苯乙烯-马来酸酐树脂和环氧树脂的制备方法及其在覆铜板和预浸料中的应用
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摘要
This invention relates to flame-retardant modified maleic anhydride resins. This resin copolymer consists of styrene, maleic anhydride and, along with a halogen-free epoxy resin, interacts with a hydroxyl group to become a flame-retardant maleic anhydride copolymer that can be applied to copper clad laminate and prepreg. This composition comprises: (A) one or more epoxy resin mixtures; (B) modified styrene-maleic anhydride curing agent copolymer; (C) additives; (D) inorganic fillers. When the aggregate amount of components (A), (B) and (C) equals 100%, component (A), epoxy resin mixture, is 60%-80% in total weight, component (B), modified styrene-maleic anhydride curing agent copolymer, equals 10%-40% in total weight. This invention uses the copolymer of Styrene and Maleic anhydride to generate a flame-retardant hydroxyl group, and with the phosphorus additive, the above components eventually interact to form a flame-retardant modified maleic anhydride copolymer curing agent.
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