AQUEOUS ADDITIVE SYSTEM FOR POLYMER MATRIX

PROBLEM TO BE SOLVED: To obtain an aqueous additive system for directly adding to a polymer matrix resin, capable of imparting processability to a matrix resin and useful for impact resistant improving agents, etc., by including a specific polymer additive in a specific amount of an additive system....

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Bibliographische Detailangaben
Hauptverfasser:	BRADY JEAN MARIE, WEESE RICHARD HENRY, DOUGHERTY EUGENE PATRICK, MCDONALD DAVID JOHN, CHOU CHUEN-SHYONG
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain an aqueous additive system for directly adding to a polymer matrix resin, capable of imparting processability to a matrix resin and useful for impact resistant improving agents, etc., by including a specific polymer additive in a specific amount of an additive system. SOLUTION: This aqueous additive system comprises 5-70 wt.% one or more kinds of polymer additives selected from (A) a polymer containing an alkyl acrylate as a polymerization unit, (B) a polymer containing an alkyl (meth) acrylate as a polymerization unit, (C) a polymer containing 1,3-diene as a polymerization unit, (D) a polymer containing an aromatic vinyl monomer as a polymerization unit and (E) a polymer containing acrylonitrile as a polymerization unit. Further the polymer additive is preferably a graft copolymer containing >=10% rubbery core and dried weight ratio of the polymer additive to a matrix polymer is preferably within the range of 0.1/99.9 to 25/75.