Superabsorbent polymers in agricultural applications

Details Superabsorbent polymers in agricultural applications Superabsorbent polymers in agricultural applications

C - Chemistry, Metallurgy

08

B

C08B 37/00 (2006.01)

Patent

CA 2576967

Superabsorbent polymer (SAP) products for use in agricultural applications, and methods of making and using the same are disclosed. Certain of the SAPs include a monomer or a mixture of monomers, other than acrylonitrile, that is graft polymerized onto a starch in the presence of an initiator to form a starch graft copolymer that is cross-linked and the SAP product is isolated.

Cette invention concerne des produits en polymères superabsorbants (SAP) utilisés dans des applications agricoles ainsi que des procédés de production et d'utilisation de ces produits. Certains des polymères superabsorbants comprennent un monomère ou un mélange de monomères autres que l'acrylonitrile, qui est polymérisé avec greffage sur un amidon en présence d'un initiateur afin qu'on obtienne un copolymère greffé à l'amidon qui est réticulé, et le produit de polymères superabsorbants est isolé.

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