发明名称 PROCESS FOR PREPARING PRILLED BISPHENOL A
摘要 The invention relates to a process for preparing prilled bisphenol A by granulation which comprises adding compounds soluble in molten bisphenol A, not affecting adversely the melt color of bisphenol A to any significant extent, and have a melting point of 60 DEG C. or more to bisphenol A and granulating and also to a process which comprises adding the reaction mother liquor or cyrstallization mother liquor produced in the manufacturing step of bisphenol A to bisphenol A or the adduct of bispheol A and phenol or a mixture of bispheol A and phenol, removing the phenol, and granulating. The processes yield prilled bispheol A which have high strength and resist powdering.
申请公布号 KR100260497(B1) 申请公布日期 2000.07.01
申请号 KR19930006205 申请日期 1993.04.14
申请人 NIPPON STEEL CHEMICAL CO., LTD.;CHIYODA CORPORATION 发明人 HIROSHI YANAI;TADAYOSHI MATSUO;MASANORI NAGASE;TOSHIKAZU MARUYAMA;TOSHIHIKO HURUKAWA;KATSUHIKO SAKURA;YOSHIAKI MATSUI;TAKAMASA MINAMI;NOBUO MORIYA;SACHIO ASAOKA;KOUJI SAKASHITA;NOBUYUKI SUDA;SUSUMU YAMAMOTO;MAKOTO NOMURA
分类号 C07C37/88;C07C39/16;(IPC1-7):C07C37/84 主分类号 C07C37/88
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