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1.发明授权POLYCARBONATE COMPOSITIONS CONTAINING CONVERSION MATERIAL CHEMISTRY AND HAVING ENHANCED OPTICAL PROPERTIES, METHODS OF MAKING AND ARTICLES COMPRISING THE SAME 有权包含转化材料化学并具有增强的光学性能的聚碳酸酯组合物，制备方法和包含该组合物的制品
公开(公告)号：EP2820106B1
公开(公告)日：2017-11-22
申请号：EP13709018.9
申请日：2013-02-27
发明人： DE BROUWER, Johannes , EVANS, Thomas, L. , EIJSBOUTS, Paulus, Johannes, Maria , BELFADHEL, Hatem, Abdallah , VAN DEN BOGERD, Jos, Arie
CPC分类号： H01L33/56 , C08G64/06 , C08L69/00 , C08L2205/02 , C09K11/592 , C09K11/646 , C09K11/7715 , C09K11/7728 , C09K11/7734 , C09K11/7774 , C09K11/7783 , H01L23/293 , H01L33/50 , H01L33/501 , H01L33/502 , H01L2924/0002 , H01L2933/0091 , C08L69/005 , C08L83/10 , H01L2924/00
摘要： The instant invention concerns a composition comprising: a conversion material and a bisphenol-A polycarbonate; wherein a molded article of the bisphenol-A polycarbonate has a transmission level of greater than or equal to 90.0% at a thickness of 2.5 mm as measured by ASTM D1003-00; and wherein the molded article comprises an increase in the yellow index of less than 2 during 2,000 hours of heat aging at 130°C; and wherein the conversion material comprises a yellow conversion material, a green conversion material, a red conversion material, or a combination comprising at least one of the foregoing.
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公开(公告)号：EP2771310B1
公开(公告)日：2018-01-24
申请号：EP12798848.3
申请日：2012-10-25
发明人： BELFADHEL, Hatem, Abdallah , DE BROUWER, Johannes , VIEVEEN, Marcel , WOLD, Christian , BRANDER, Eric
CPC分类号： C07C37/20 , C07C37/84 , C08G64/307 , C07C39/16
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.
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