IMPACT RESISTANT ACRYLIC POLYMER COMPOSITION

IMPACT RESISTANT ACRYLIC POLYMER COMPOSITION

A molding composition of improved toughness, thermal stability, flow and stress craze resistance comprising (A) from about 70% to about 95% of a resinous terpolymer of 65 to 75 parts of methylmethacrylate, 18 to 24 parts of styrene and 2 to 12 parts of ethylacrylate and (B) 5% to 30% of polybutadien...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ROBUSTELLI, ALBERT G, DILEONE, ROLAND R
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:A molding composition of improved toughness, thermal stability, flow and stress craze resistance comprising (A) from about 70% to about 95% of a resinous terpolymer of 65 to 75 parts of methylmethacrylate, 18 to 24 parts of styrene and 2 to 12 parts of ethylacrylate and (B) 5% to 30% of polybutadiene grafted with 17 to 22 parts of methylmethacrylate, 4 to 7 parts of styrene and O to 3 parts of ethylacrylate, the ratio of polybutadiene to monomer in (B) ranging from 1:1 to 4:1, respectively.