ANTIMICROBIAL AND BACTERIOSTATIC-MODIFIED POLYMERS FOR CELLULOSE FIBRES

摘要

Polysaccharide fibres, such as cellulose or starch, modified by grafting an amino-containing antimicrobial polymer (ACP) onto the fibres or starch using a co-polymerization reaction, exhibits high antimicrobial activity. For example, the presence of 1.0% by weight grafted polymer in the cellulose fibres or starch fibres results in excellent antimicrobial activity (over 99% inhibition). The application further discloses that including triclosan or butylparaben into a novel cationic β-cyclodextrin polymer or nanocapsule yields a bacteriostat.

主权项

1. A method of grafting an amino-containing polymer onto starch, producing modified starch suitable for use as an additive to paper products, the method comprising the steps of:
(a) reacting the amino-containing polymer with glycidyl methacrylate to produce modified amino-containing polymer; (b) adding the modified amino-containing polymer and an initiator to a solution or suspension of starch; (c) adjusting the pH of the suspension or solution of starch; (d) adjusting the temperature of the suspension or solution of starch; and (e) stopping the reaction after sufficient time and isolating the modified starch.