Amphiphilic copolymers useful especially as emulsifiers
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United States of America Patent
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Dec 5, 2006
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app pub date -
Oct 18, 2001
filing date -
Oct 20, 2000
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Abstract
The invention concerns copolymers of the poly(styrene)-poly(ethylene-butylene)-poly(styrene) type wherein the central poly(ethylene-butylene) sequence has been modified by chemical grafting of hydrophilic groups to make them amphiphilic. The invention also concerns a method for preparing said novel amphiphilic copolymers and their use in particular emulsifying agent or absorbent.
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