Process for preparation of polymer blends composed of polyoxymethylenes and of thermoplastic elastomers
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United States of America Patent
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Mar 15, 2011
Grant Date -
Mar 15, 2007
app pub date -
Sep 13, 2006
filing date -
Sep 14, 2005
priority date (Note) -
Expired
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Abstract
The invention relates to a process for preparation of polymer blends comprising at least one polyoxymethylene and at least one thermoplastic elastomer, where the thermoplastic elastomer is micropelletized by a pelletizing process and the pellets obtained in a) are dispersed in the polyoxymethylene matrix via melting of the components and mixing of these at low shear forces, and also to the use of micropelletized thermoplastic elastomers for preparation of polyoxymethylenes with low formaldehyde emission.
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