Laminates based on polyphenylene oxide and isotactic polystyrene - useful in scratch- and boil-resistant products, packaging, etc

Laminate comprises >=1 layer A and at least one layer B. Layer A contains >20% of a polyphenylene oxide of formula (I): (where n=103-104). Layer B is prepared from a styrene polymer, opt. modified w.r.t. impact resistance, contg. >40% styrene monomer polymerised therein, and is specifically...

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Bibliographic Details
Main Authors JENNE,HELMUT,.DR, WERNER, STEINER,KURT, KOENIG,ULRICH,.DR
Format Patent
LanguageEnglish
German
Published 20.09.1979
Edition2
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING-UP
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Summary:Laminate comprises >=1 layer A and at least one layer B. Layer A contains >20% of a polyphenylene oxide of formula (I): (where n=103-104). Layer B is prepared from a styrene polymer, opt. modified w.r.t. impact resistance, contg. >40% styrene monomer polymerised therein, and is specifically an isotactic polystyrene, alone or admixed with an atactic polystyrene. A further layer C composed of atactic polystyrene and opt. modified w.r.t. fracture toughness, may be present as a welding and sealing layer. The excellent props. of the individual components of the laminate are maintained by using them in the form of layers which are bonded together.
Bibliography:Application Number: DE19782809980