Copolymerized starch compositions

Details Copolymerized starch compositions Copolymerized starch compositions

C - Chemistry, Metallurgy

08

L

400/1337

C08L 3/04 (2006.01) C08F 290/10 (2006.01) C08L 57/00 (2006.01)

Patent

CA 1082829

ABSTRACT OF THE DISCLOSURE Preformed, homogeneous, non-linear starch copolymerizate articles may be prepared by copolymerizing a preformed, homo- geneous mixture of water, ethylenically unsaturated starch and ethylenically unsaturated monomers to provide a labyrinth of copolymerized starch chains inter-connected with each other by the copolymerized monomeric units. The invention is particu- larly suitable for preparing high-binder, aqueous coating com- positions which may be applied to a variety of substrates and subsequently copolymerized with polymerization initiating sys- tems. Improved water- and detergent-resistance may be obtained by incorporating film-forming additives, cross-linking reagents or polyunsaturated compounds into the copolymerizable starch composition.

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