Invention Grant
- Patent Title: Method for direct ammonolysis of polycarbonate-containing materials and products
- Patent Title (中): 用于直接氨解聚碳酸酯的材料和产品的方法
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Application No.: US14053954Application Date: 2013-10-15
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Publication No.: US09328046B2Publication Date: 2016-05-03
- Inventor: Alexander Stanislaus , Venkata Ramanarayanan Ganapathy Bhotla , P S Sreenivasan , Philip Wesley Bell
- Applicant: SAUDI BASIC INDUSTRIES CORPORATION
- Applicant Address: SA Riyadh
- Assignee: SAUDI BASIC INDUSTRIES CORPORATION
- Current Assignee: SAUDI BASIC INDUSTRIES CORPORATION
- Current Assignee Address: SA Riyadh
- Agency: Cantor Colburn LLP
- Main IPC: C08J11/28
- IPC: C08J11/28 ; C07C37/00 ; C08G64/38 ; C08J11/16
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.
Public/Granted literature
- US20150105531A1 METHOD FOR DIRECT AMMONOLYSIS OF POLYCARBONATE-CONTAINING MATERIALS AND PRODUCTS Public/Granted day:2015-04-16
Information query
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