INJECTION-FOAMABLE STYRENIC MONOMER-DIOLEFIN COPOLYMER, A METHOD FOR THE PREPARATION THEREOF AND USE THEREOF
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United States of America Patent
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Issued Date -
Aug 25, 2011
app pub date -
Jul 15, 2009
filing date -
Jul 15, 2008
priority date (Note) -
Abandoned
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Abstract
A styrenic monomer-diolefin copolymer comprises polystyrenic monomer micro-blocks and polydiolefin micro-blocks, in which the content of styrenic monomer units is 10-80 wt %, the ratio of diolefin units of 1,2-structure is less than 30% in the total diolefin units, and the number-average molecular weight (Mn) of the copolymer is 25,000-500,000. The preparation methods and uses in foam products thereof are also disclosed.
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