WebNational Center for Biotechnology Information. 8600 Rockville Pike, Bethesda, MD, 20894 USA. Contact. Policies. FOIA. HHS Vulnerability Disclosure. National Library of … WebAlle typer polycarbonat fremstilles i dag på tre måder, som hver især giver tilstrækkelige omkostningseffektive fremstillingsprocesser. Fosgen og A-bisphenol polykondensation (grænseflade). Det foregår i organiske opløsningsmidler eller i et vandigt-alkalisk medium. Transesterificering i vakuum af diphenylcarbonat.
Verfahren zur Herstellung von Diarylcarbonaten - MyScienceWork
WebDiphenyl carbonate Regulatory process names 6 CAS names 1 IUPAC names 6 Trade names 32 Other identifiers 3 Print infocard Open Brief Profile Open Substance Regulatory Obligations Substance identity EC / List no.: 203-005-8 CAS no.: 102-09-0 Mol. formula: C13H10O3 Hazard classification & labelling Warning! Diphenyl carbonate is the organic compound with the formula (C6H5O)2CO. It is classified as an acyclic carbonate ester. It is a colorless solid. It is both a monomer in combination with bisphenol A in the production of polycarbonate polymers and a product of the decomposition of polycarbonates. See more World production capacity of diphenyl carbonate was 254,000 tonnes in 2002, and phosgenation of phenol is the most significant route. Phosgenation of phenol can proceed under various conditions. The net reaction is as follows: See more Polycarbonates can be prepared by transesterifying diphenyl carbonate with bisphenol A. Phenol is a co-product. These … See more cottage for sale at ingolf ont
Thermal physics question: Specific heat capacity
WebBis(4-nitrophenyl)-carbonat ≥99%; CAS Number: 5070-13-3; EC Number: 225-775-4; Synonyms: Kohlensäure-bis-(4-nitrophenyl)-ester; Linear Formula: (O2NC6H4O)2CO; find Sigma-Aldrich-161691 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich WebIst als Zwischenprodukt an der Herstellung von Diphenylcarbonat beteiligt, das wiederum als Schlüsselrohstoff für die Synthese von Bisphenol-A-Polycarbonat verwendet wird. Es wird auch als ′grünes′ Methylierungsmittel verwendet, das an der Methylierung von Anilin, Phenolen und Carbonsäuren beteiligt ist. breathinghalftone