Core-hydrogenated block copolymers having an asymmetric structure
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United States of America Patent
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Jul 12, 2005
Grant Date -
Jul 8, 2004
app pub date -
May 14, 2002
filing date -
May 18, 2001
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Abstract
The invention relates to core-hydrogenated block copolymers composed of vinyl aromatic monomers and dienes having at least two blocks S, which are of different molecular weights and ate comprised of vinyl aromatic monomers. The invention also relates to mixtures containing core-hydrogenated polysterene and to methods for the production thereof.
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