Water-absorbent starch copolymerizates

Details Water-absorbent starch copolymerizates Water-absorbent starch copolymerizates

C - Chemistry, Metallurgy

08

L

400/1337, 252/31

C08L 3/04 (2006.01) C08F 251/00 (2006.01) C08L 53/00 (2006.01)

Patent

CA 1090027

ABSTRACT OF THE INVENTION Water-absorbent, starch copolymerizates are prepared by copolymeriz- ing an ethylenically unsaturated starch with other ethylenically unsaturated monomers which contain water-attractant groups or precursors or water- attractant groups. The water-absorbent starch copolymerizates may be easily prepared into the desired configuration for a particular end-use or combined with other substrates or carriers. The unpolymerized starch and monomers or precursors thereof may be applied or incorporated into a suitable carrier or substrate (e.g., cellulosio materials such as textiles, papers, etc.) and copolymerized in situ to provide a composite article or unitary construction with the water-absorbent starch copolymerizate permenently bonded or affixed thereto.

296616

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