MULTIPLE STAGE SEQUENTIALLY PRODUCED THERMOPLASTIC POLYMERS

Multiple-stage sequentially-produced thermoplastic polymers comprising four specific polymerization stages are particularly useful as films for providing durable surface protective layers to substrates when each of the first and second stages contain 0.1 to 1% by weight of graftlinking monomer. The...

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Bibliographische Detailangaben
1. Verfasser:	DAVID LAMAR DUNKELBERGER
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Multiple-stage sequentially-produced thermoplastic polymers comprising four specific polymerization stages are particularly useful as films for providing durable surface protective layers to substrates when each of the first and second stages contain 0.1 to 1% by weight of graftlinking monomer. The films are conveniently produced by melt extrusion to a thickness of 0.1 to 50 mils.