C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 216/14 (2006.01) C04B 16/04 (2006.01)
Patent
CA 2745417
The invention relates to a copolymer comprising i) 3 to 40 mol% of an isoprenolpolyether derivative structural unit a ii) 3 to 40 mol% of a vinyloxypolyether derivative structural unit .beta. and iii) 35 to 93 mol% of an acid structural unit .gamma., the structural units of the copolymer which belong to the vinyloxypolyether derivative structural unit .beta. having longer side chains than the structural units which belong to the isoprenolpolyether derivative structural unit .alpha..
L'invention concerne un copolymère présentant i) entre 3 et 40% en mole d'une unité structurale de dérivé d'isoprenolpolyéther a, ii) entre 3 et 40% en mole d'une unit structurale de dérivé de vinylpolyéther ß et iii) entre 35 et 93% en mole d'une unité structurale d'acide ?, les unités structurales du copolymère qui appartiennent à l'unité structurale de dérivé vinylpolyéther ß présentant des chaînes plus longues que les unités structurales appartenant à unité structurale de dérivé d'isoprenolpolyéther a.
Bichler Manfred
Flakus Silke
Hartl Angelika
Lorenz Klaus
Mack Helmut
Construction Research & Technology Gmbh
Gowling Lafleur Henderson Llp
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