公开(公告)号：US20160168063A1

公开(公告)日：2016-06-16

申请号：US15049370

申请日：2016-02-22

Applicant: SAUDI BASIC INDUSTRIES CORPORATION

Inventor： Alexander Stanislaus ,  Venkata Ramanarayanan Ganapathy Bhotla ,  PS Sreenivasan ,  Philip Wesley Bell

IPC: C07C37/68 ,  C08J11/16 ,  C08G64/38

CPC classification number: C07C37/685 ,  C07C37/00 ,  C08G64/38 ,  C08J11/16 ,  C08J2369/00 ,  Y02W30/705

Abstract: A method for recovering a dihydroxy aromatic compound and urea from a polycarbonate-containing composition comprising a polycarbonate and a phosphorus-containing flame retardant, comprising contacting the composition with ammonia in the presence of a swelling solvent for a time sufficient to depolymerize the polycarbonate producing a dihydroxy aromatic compound and urea.

公开(公告)号：US20150105531A1

公开(公告)日：2015-04-16

申请号：US14053954

申请日：2013-10-15

Applicant: SAUDI BASIC INDUSTRIES CORPORATION

Inventor： Alexander Stanislaus ,  Venkata Ramanarayanan Ganapathy Bhotla ,  PS Sreenivasan ,  Philip Wesley Bell

IPC: C07C37/00 ,  C08G64/38

CPC classification number: C07C37/685 ,  C07C37/00 ,  C08G64/38 ,  C08J11/16 ,  C08J2369/00 ,  Y02W30/705

Abstract: A method for recovering a dihydroxy aromatic compound and urea from a polycarbonate-containing composition comprising a polycarbonate and a phosphorus-containing flame retardant, comprising contacting the composition with ammonia in the presence of a swelling solvent for a time sufficient to depolymerize the polycarbonate producing a dihydroxy aromatic compound and urea.

Abstract translation: 一种从含有聚碳酸酯和含磷阻燃剂的含聚碳酸酯组合物中回收二羟基芳族化合物和尿素的方法，包括在溶胀溶剂存在下使氨基组合物与氨反应一段时间以使聚碳酸酯解聚，产生 二羟基芳族化合物和尿素。