C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 81/02 (2006.01) C08F 8/14 (2006.01) C08L 51/00 (2006.01) C08L 51/06 (2006.01) C08L 53/00 (2006.01)
Patent
CA 2426251
The invention concerns novel 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 as emulsifying agent or absorbent.
La présente invention concerne de nouveaux copolymères du type poly(styrène)-poly(éthylène-butylène)-poly(styrène) dans lesquels la séquence centrale poly(éthylène-butylène) a été modifiée par greffage chimique de groupes hydrophiles afin de les rendre amphiphiles. L'invention concerne également un procédé de préparation de ces nouveaux copolymères amphiphile et leur utilisation notamment comme agent émulsionnant ou absorbant.
Auguste Stephane
Brachais Claire
Camus Elise
Laboratoires D'hygiene Et de Dietetique
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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