C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/00 (2006.01) C10C 3/00 (2006.01) C10G 75/04 (2006.01) F16L 58/10 (2006.01)
Patent
CA 2563041
A method of preventing bitumen accretion on an article comprising applying to said article an anti-accretion agent comprising a water soluble cationic polymer. The cationic polymer is a copolymer comprising acrylamide or substituted acrylamide, and cationic monomers. The water soluble cationic polymer is of the formula: ([R1]x- [R2]y)2, wherein, R1 is an acrylamide, or substituted acrylamide; R2 is a cationic monomer; x and y range from 1 to 20, and z ranges from 1 to 1,000,000.
Méthode qui empêche l'accrétion de bitume sur un article et qui consiste à appliquer sur ledit article un agent anti-accrétion comprenant un polymère cationique soluble dans l'eau. Le polymère cationique est un copolymère comprenant de l'acrylamide ou de l'acrylamide substitué et des monomères cationiques. Le polymère cationique soluble dans l'eau est obtenu à partir de la formule suivante : (¬R1|x- ¬R2|y)2, dans laquelle R1 est un acrylamide ou un (méth)acrylamide substitué; R2 est un monomère cationique; x et y varient de 1 à 20, et z varie de 1 à 1 000 000.
Blake Cassels & Graydon Llp
Wet Spray Inc.
LandOfFree
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