Amphiphilic monomer and hydrophobe associative composition conta

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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252 855R, 526286, 526320, C08F 2058

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active

047286962

ABSTRACT:
The invention comprises a composition comprising at least one compound defined by the formula ##STR1## wherein R is hydrogen, C.sub.1-4 alkyl or a group ##STR2## wherein G is a divalent hydrocarbyl-linking group and J, D, E and F are hereinafter defined; wherein J and E independently are divalent linking groups selected from ##STR3## wherein R' is hydrogen or C.sub.1-4 alkyl; D is a divalent hydrocarbyl group which lends hydrophobicity to the compound; and F is a monovalent hydrocarbyl group which lends hydrophilicity to the compound. Such compositions are useful as comonomers with water-soluble monomers such as acrylamide and acrylic acid which form water-dispersible thickening agents which are resistant to shear degradation and heat and have a broad range of salt tolerance. Aqueous solutions thickened with such copolymers are useful in enhanced oil recovery processes as fluid mobility control agents, as fracturing fluids and drilling muds as well as hydraulic fluids and lubricants in many applications.

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patent: 4463152 (1984-07-01), Schulz et al.
patent: 4520182 (1985-05-01), Turner et al.
patent: 4528348 (1985-07-01), Turner et al.

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