C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 1/62 (2006.01) C11D 3/37 (2006.01)
Patent
CA 2548779
The invention relates to the preparation of hydrophobic modified diquaternary cationic monomers and their copolymer as well as the use such monomers and copolymers as thickening agents/rheology modifiers for acidic compositions. The hydrophobic modified diquaternary cationic monomer having the general formula (I): wherein X is selected from O, NH , or NR; Y is any alkyl, alkylene with or without heteroatoms, and R0, R1, R2 R3, R4, which are identical or different, are selected from C1-C4 alkyl groups, R is selected from any alkyl group with or without heteroatoms, and R5 is a hydrphobe having an alkyl chain of more than 4 atoms.
L'invention concerne la préparation de monomères cationiques diquaternaires modifiés hydrophobes et leur copolymère ainsi que l'utilisation de ces monomères et copolymères comme épaississants/modificateurs rhéologiques pour compositions acides. Le monomère cationique diquaternaire modifié hydrophobe a pour formule générale, dans laquelle X est choisi parmi O, NH, ou NR; Y représente alkyle, alkylène avec ou sans hétéroatomes, et R0, R1, R2, R3, R4, qui sont identiques ou différents, sont choisis dans les groupes alkyle C1-C4, R est choisi dans un groupe alkyle avec ou sans hétéroatomes, et R5 est un hydrophobe présentant une chaîne alkyle de plus de 4 atomes.
Chang Jeanne
Liu Leo Z.
Gowling Lafleur Henderson Llp
Rhodia Inc.
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