Low-dusting, free-flowing acrylamide polymer composition

Details Low-dusting, free-flowing acrylamide polymer composition Low-dusting, free-flowing acrylamide polymer composition

C - Chemistry, Metallurgy

08

K

400/5919, 400/93

C08K 3/34 (2006.01) C08J 3/12 (2006.01) C08K 3/36 (2006.01) C08K 5/04 (2006.01) C08K 5/06 (2006.01) C08L 33/26 (2006.01)

Patent

CA 1066445

ABSTRACT OF THE DISCLOSURE A water-dispersible, low-dusting, free-flowing composition comprising (a) an acrylamide polymer, (b) a lower aliphatic polyol or polyalkylene glycol of up to 6000 molecular weight as an antidusting agent, and (c) a particulate free-flow aid. The acrylamide polymer is primarily of less than 0.5 mm particle size and has an average molecular weight of from 50,000 to 10,000,000. The antidusting agent is present in an amount of 0.05 to 1 percent, based on the weight of (a). The free-flow aid is preferably a for? of silica and is present in the amount of 1 to 40 percent, based on the weight of (b). The co positions of this invention contain much less free-flow aid than is known in the prior art.

244220

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