Multi-layer product containing polycarbonate

A multi-layer product comprising a coex layer and a base layer is disclosed. The coex layer contains a copolycarbonate derived from repeat units having the formula (I) where R to R are defined and repeat units having the formula (II) where R to R and X are defined. The base layer contains a polycarb...

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Bibliographic Details
Main Authors GORNY RUDIGER, ROELOFS MARCO, ANDERS SIEGFRIED, NISING WOLFGANG, KRATSCHMER SILKE, ROHNER JURGEN
Format Patent
LanguageEnglish
Published 22.01.2004
Edition7
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
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Summary:A multi-layer product comprising a coex layer and a base layer is disclosed. The coex layer contains a copolycarbonate derived from repeat units having the formula (I) where R to R are defined and repeat units having the formula (II) where R to R and X are defined. The base layer contains a polycarbonate characterized in that its chemical resistance is lesser than that of said copolycarbonate. The product is characterized by its improved resistance to chemical attack. Also disclosed are a uses of, and a method for producing the product.
Bibliography:Application Number: US20030613726