Block copolymers
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United States of America Patent
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Aug 7, 2001
Grant Date -
N/A
app pub date -
Mar 22, 1999
filing date -
Jun 25, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a stable polymer composition comprising a first polymer and a second polymer, which second polymer is not compatible with the first polymer, and an amount of a copolymer comprising at least one block of a polyalkadiene and at least one block of random poly(aromatic vinyl-acrylonitrile), and in which the ratio of the block copolymer to the total polymer composition is between 1:500 and 1:50. Besides, the invention relates to the use of the above block copolymer as compatibilizer and/or as modifier for the mechanical properties of polymer compositions.
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