Copper-modified cellulose fiber

Details Copper-modified cellulose fiber Copper-modified cellulose fiber

Category

C - Chemistry, Metallurgy

Subcategory

08

Subsubcategory

B

CPC

260/210

IPC codes

C08B 15/05 (2006.01) A61L 15/28 (2006.01) A61L 15/46 (2006.01) D06M 16/00 (2006.01)

Type

Patent

Patent number

CA 1240316

Description

ABSTRACT OF THE DISCLOSURE A modified fibrous material comprising cellulose fibers substituted at their cellulose anhydroglucose units by anionic moieties of at least one of the for- mulae: -PO3H(-); -(CH2)n-PO3H(-); -(CH2)n-SO3(-); or (CH2)n-COO(-); where n is from 1 to 3; and capped by copper cations to the extent that said cellulose fibers bind from about 0.1 to about 3.0% by weight of copper, based on the weight of said fibers; as well as pro- cesses for its production.

Application Number

475860

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