PROCESS FOR THE PREPARATION OF AN IMPACT-RESISTANT POLYMER COMPOSITION

The invention relates to a process for the preparation of an impact-resistant polymer composition comprising 0.5-75 parts by weight of a rubber composition (per 100 parts by weight of matrix polymer) by a) melt mixing of matrix polymer A with a composition comprising the rubber composition dispersed...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BRULS, WILHELMUS, GERARDUS, MARIE, DE KROON, JAN, REPIN, JOHANNES, FREDERICUS
Format:	Patent
Sprache:	eng ; fre ; ger
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:	The invention relates to a process for the preparation of an impact-resistant polymer composition comprising 0.5-75 parts by weight of a rubber composition (per 100 parts by weight of matrix polymer) by a) melt mixing of matrix polymer A with a composition comprising the rubber composition dispersed in a matrix polymer B, with B optionally being A, and b) the dispersion of said rubber composition in matrix polymer B has been obtained by melt mixing of matrix polymer B with a rubber composition containing at least one functionalized rubber and at least one non-functionalized rubber. The composition according to the process of the invention exhibits an improved impact resistance at less to no creep and is suitable inter alia for use in plugs, as a heat bridge in aluminium windows and profiles and in hammer heads.