Flameproof high molecular aromatic polyester-carbonates
Abstract
Abstract LINKAGE OR AN OXYGEN OR SULPHUR ATOM, AND N IS 0 OR 1, AND TO SHAPED ARTICLES, FILMS AND FOILS MANUFACTURED FROM THEM. -CO-, -SO-, OR -SO2- IN WHICH GENERAL FORMULAE: R'' IS A DIVALENT AROMATIC RADICAL, R1, R2, R3 AND R4, WHICH MAY BE THE SAME OR DIFFERENT, EACH DENOTE A HYDROGEN CHLORINE OR BROMINE ATOM OR AN ALKYL RADICAL HAVING ONE TO FOUR CARBON ATOMS, X IS A SINGLE BOND, OR AN ALKYLENE, ALKYLIDENE OR ISOALKYLIDENE RADICAL EACH OF WHICH MAY HAVE ONE TO FIVE CARBON ATOMS, OR A CYCLOALKYLENE OR CYCLOALKYLIDENE RADICAL EACH OF WHICH CONTAINS FIVE TO FIFTEEN CARBON ATOMS, A -X-((1,4-PHENYLENE)-X)N-(R3,R4-1,4-PHENYLENE)-OOC-O-R''-CO- 1,4-PHENYLENE)-OOC-R''-OOC-, AND -O-(R1,R2-1,4-PHENYLENE) -O-(R1,R2-1,4-PHENYLENE)-X-((1,4-PHENYLENE)-X)N-(R3,R4- HIGH MOLECULAR WEIGHT LINEAR POLYESTER-POLYCARBONATES ARE PROVIDED WHICH HAVE RECURRING STRUCTURAL UNITS OF THE GENERAL FORMULAE:
Inventors
- 👤 U Haberland
- 👤 G Lenz
- 👤 H Schnell
- 👤 K Weirauch
Bibliographic Details
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