发明名称 RESINA TROCADORA DE IONS PROCESSO PARA PREPARAR UM POLIMERO ORGANICO AROMATICO SULFONADO DE ORGANO-MERCAPTANO E PROCESSO APERFEICOADO PARA PREPARAR BISFENOL
摘要 A sulfonated aromatic organic polymer, such as sulfonated polystyrene ion-exchange resin, is provided having N-alkylaminoorgano mercaptan groups attached to backbone sulfonyl radicals by covalent nitrogen-sulfur linkages. The ion-exchange resin can be used to effect phenol-ketone condensation in the synthesis of bisphenols.
申请公布号 BR8106250(A) 申请公布日期 1982.06.15
申请号 BR19818106250 申请日期 1981.09.29
申请人 GEC US 发明人 FALER G
分类号 C08F8/00;B01J31/10;B01J39/20;C07B61/00;C07C37/20;C07C39/16;C08F8/30;C08F8/34;C08F8/36 主分类号 C08F8/00
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