HEAT RESISTANT AROMATIC POLYCARBONATE - POLYESTER COMPOSITION

The present invention relates to a composition comprising from 25-75 wt. % of aromatic polycarbonate comprising melt polycarbonate and from 75-25 wt. % of polyester based on the combined weight of the aromatic polycarbonate and the polyester, wherein said aromatic polycarbonate has an endcap level o...

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Bibliographic Details
Main Authors Pal, Subodh Kumar, Khatokar, Rukmini, Jha, Roshan Kumar
Format Patent
LanguageEnglish
Published 30.03.2023
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:The present invention relates to a composition comprising from 25-75 wt. % of aromatic polycarbonate comprising melt polycarbonate and from 75-25 wt. % of polyester based on the combined weight of the aromatic polycarbonate and the polyester, wherein said aromatic polycarbonate has an endcap level of at most 75 mol % and said polyester comprises polybutylene terephthalate, and wherein i) said polyester comprises a polymer miscible with poly(butylene terephthalate), said polymer having a glass transition temperature higher than the glass transition temperature of said poly(butylene terephthalate) and/or, ii) said aromatic polycarbonate comprises a polymer miscible with said melt polycarbonate, said polymer having a glass transition temperature higher than the glass transition temperature of said melt polycarbonate.
Bibliography:Application Number: US202117797781