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US07109286B2 Phosphorus-containing hydroquinone derivatives, process for their production, phosphorus-containing epoxy resins made by using the derivatives, flame-retardant resin compositions, sealing media and laminated sheets 失效
含磷氢醌衍生物，其制备方法，使用该衍生物制备的含磷环氧树脂，阻燃树脂组合物，密封介质和层压片

Phosphorus-containing hydroquinone derivatives, process for their production, phosphorus-containing epoxy resins made by using the derivatives, flame-retardant resin compositions, sealing media and laminated sheets
摘要：
A phosphorus-containing hydroquinone derivative represented by a general formula (1): (where R1 and R2 represent linear or branched alkyl groups that are identical or may be different, and/or R1 and R2 may form a circular group; X represents an oxygen atom or sulfur atom; Y and Z represent hydrogen atom, hydroxy group, linear or branched alkyl group, aralkyl group, alkoxy group, allyl group, aryl group or cyano group, and/or Y and Z may form a circular group). The present invention provides phosphorus-containing hydroquinone derivatives that are useful for intermediate materials for reactive type flame-retardant agents or phosphorus-containing epoxy resins.
摘要（中）：

由通式（1）表示的含磷氢醌衍生物：其中R 1和R 2代表相同或不同的直链或支链烷基， 和/或R 1和R 2可以形成环状基团; X表示氧原子或硫原子; Y和Z表示氢原子，羟基，直链或支链 烷基，芳烷基，烷氧基，烯丙基，芳基或氰基，和/或Y和Z可以形成环状基团）。 本发明提供了可用于反应型阻燃剂或含磷环氧树脂的中间材料的含磷氢醌衍生物。

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