Novel polymers and polymeric salts

Details Novel polymers and polymeric salts Novel polymers and polymeric salts

1978-04-05

1979-04-24

Kight, III, John

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296TA, 260 42, 260 4221, 260 4257, 526303, 526317, 526318, 526271, C08F21204, C08F21614, C08F22006, C08F22206

Patent

active

041513410

ABSTRACT:
Novel low molecular weight interpolymers containing pendant lower alkyl capped poly(oxyethylene)ether groups are effective as aqueous dispersing agents for particulate matter and are particularly effective for difficult-to-disperse, finely divided inorganic solids such as precipitated calcium carbonate and satin white. The interpolymers comprise, in polymerized form, (1) an alkenyl benzyl ether of an ethoxylated lower alkane compound, which ether has the formula: ##STR1## (wherein R is hydrogen or methyl, R.sub.1 is lower alkyl and m is a positive integer greater than 1) with (2) a copolymerizable ethylenically unsaturated acid such as acrylic acid, methacrylic acid, etc., or a copolymerizable ethylenically unsaturated dicarboxylic anhydride such as maleic anhydride and (3) a hydrophobic monomer such as styrene.

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patent: 4008202 (1977-02-01), Evani et al.
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