公开(公告)号：WO2023081341A1

公开(公告)日：2023-05-11

申请号：PCT/US2022/048939

申请日：2022-11-04

Applicant: NUTRITION & BIOSCIENCES USA 4, INC.

Inventor： LI, Ziang ,  RAJAN, Jana ,  FRATTARELLI, David L.

IPC: D06M16/00 ,  D06M15/03 ,  A01N33/12 ,  A01N43/16 ,  A01P1/00 ,  A61L15/46 ,  A61L31/16 ,  C11D3/22 ,  C11D11/00 ,  C11D3/48 ,  A61L15/28 ,  A61L15/38 ,  A61L2300/23 ,  A61L2300/232 ,  A61L2300/254 ,  A61L2300/404 ,  A61L2300/45 ,  A61L27/34 ,  A61L27/54 ,  A61L28/0038 ,  A61L28/0069 ,  A61L31/10 ,  C11D11/0017 ,  C11D3/222 ,  C11D3/227 ,  D06M16/003

Abstract: Compositions are disclosed herein comprising at least (a) a derivative of an alpha-glucan, wherein (i) at least about 40% of the glycosidic linkages of the alpha-glucan are alpha-1,6 linkages, and (ii) the alpha-glucan has a degree of substitution (DoS) of about 0.001 to about 3.0 with at least one positively charged organic group (optionally in ether linkage); and (b) an insoluble alpha-glucan, wherein at least about 50% of the glycosidic linkages of the insoluble alpha-glucan are alpha-1,3 glycosidic linkages, and the weight-average degree of polymerization (DPw) of the insoluble alpha-glucan is at least 10. The insoluble alpha-glucan can enhance the degree to which the alpha-glucan derivative deposits onto a fiber-containing material/article such as fabric, for example. Methods are further disclosed for preparing compositions comprising an alpha-glucan ether derivative, as well as various applications of using these compositions, such as for controlling microbes on fabric surfaces.