Patent Number: 8,877,861

Title: One-pot synthetic method for synthesizing silver-containing waterborne polyurethane

Abstract: The present invention relates to a one-pot synthetic method for synthesizing silver-containing waterborne polyurethane (WBPU). The method includes the steps of adding a silver ion-containing solution, such as silver nitrate solution, into WBPU emulsion to form a silver-containing PU emulsion by stirring, and dehydrating the silver-containing PU emulsion so as to obtain a WBPU containing nano-scaled silver particles having a uniform particle size and good dispersibility. The present invention provides a method that can be easily and speedily operated, and the silver-containing WBPU prepared according to the method of the present invention exhibits excellent antibacterial, bactericidal and deodorant effects but using a small amount of silver.

Inventors: Ting; Wei-Ho (Taichung, TW), Dai; Shenghong A. (Taichung, TW), Kuo; Tzu-Wen (Taichung, TW), Jeng; Ru-Jong (Taichung, TW)

Assignee:

International Classification: C08G 18/00 (20060101); A61K 33/38 (20060101); A01N 59/16 (20060101); A01N 25/00 (20060101); C08K 3/20 (20060101); B32B 27/00 (20060101); B32B 27/40 (20060101); C08G 18/08 (20060101); C08L 75/00 (20060101); C08G 18/28 (20060101)

Expiration Date: 2019-11-04 0:00:00