发明名称 |
PROCESS FOR PRODUCING BISPHENOL A WITH REDUCED SULFUR CONTENT, POLYCARBONATE MADE FROM THE BISPHENOL A, AND CONTAINERS FORMED FROM THE POLYCARBONATE |
摘要 |
In one embodiment, a process for producing a bisphenol A product comprises: reacting phenol with acetone in the presence of a sulfur containing promoter to obtain a reaction mixture comprising bisphenol A, phenol, and the promoter; after reacting the phenol with the acetone, cooling to form a crystal stream comprising crystals of bisphenol A and phenol; separating the crystals from the crystal steam; melting the crystals to form a molten stream of bisphenol A, phenol, and sulfur; contacting the molten stream with a base to reduce a sulfur concentration in the molten stream and form a reduced sulfur stream; and removing phenol from the reduced sulfur stream to form a bisphenol A product. Also disclosed herein is a container comprising: a polycarbonate formed from a bisphenol A having a sulfur concentration of 0.5 to 15 ppm based upon the weight of the bisphenol A. |
申请公布号 |
WO2013061274(A1) |
申请公布日期 |
2013.05.02 |
申请号 |
WO2012IB55880 |
申请日期 |
2012.10.25 |
申请人 |
SABIC INNOVATIVE PLASTICS IP B.V. |
发明人 |
BELFADHEL, HATEM, ABDALLAH;DE BROUWER, JOHANNES;VIEVEEN, MARCEL;WOLD, CHRISTIAN;BRANDER, ERIC |
分类号 |
C07C37/20;C07C37/68;C07C39/16;C08G64/04 |
主分类号 |
C07C37/20 |
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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