BONDING POLYMERIC LAMINATES AND METHOD FOR OBTAINING SAME

BONDING POLYMERIC LAMINATES AND METHOD FOR OBTAINING SAME

A polymeric laminate of a sheet containing plasticized polyvinyl butyral chemically linked by urethane groups to a polyurethane layer which is preferably thermoset and a process for inseparably bonding layers of plasticized partial polyvinyl butyral and polyurethane which comprises chemically reacti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GEORGE ETIENNE CARTIER, CARL PETER PIRETTI
Format: Patent
Sprache:eng
Schlagworte:
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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Beschreibung
Zusammenfassung:A polymeric laminate of a sheet containing plasticized polyvinyl butyral chemically linked by urethane groups to a polyurethane layer which is preferably thermoset and a process for inseparably bonding layers of plasticized partial polyvinyl butyral and polyurethane which comprises chemically reacting hydroxyl groups of the partial polyvinyl butyral with isocyanate groups associated with formation of the polyurethane.