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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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