Nonwoven webs comprising polysaccharides
AssigneeNutrition & Biosciences USA 4, Inc.
InventorsNatnael Behabtu, Monica Harvey, Christian Peter Lenges, Ian Robert Beardsall
Life of this patent
Estimating the term…
Abstract
Disclosed herein are nonwoven webs comprising a nonwoven substrate and a binder comprising a polysaccharide. In one embodiment, the polysaccharide can comprise poly alpha-1,3-glucan, a poly alpha-1,3-glucan ether compound as disclosed herein, a poly alpha-1,3-glucan ester compound as disclosed herein, a graft copolymer comprising a backbone comprising dextran and poly alpha-1,3-glucan side chains, a crosslinked graft copolymer comprising a backbone comprising dextran and poly alpha-1,3-glucan chains, or a mixture thereof. Also disclosed are articles comprising the nonwoven webs, and methods of making the nonwoven webs.
Claims20
A nonwoven web comprising a nonwoven substrate and polysaccharide fibrids, wherein the polysaccharide fibrids comprise:
- (a) poly alpha-1,3-glucan, or
- (b) a poly alpha-1,3-glucan ether compound represented by Structure I:
- wherein
- (i) n is at least 6,
- (ii) each R is independently an H or a positively charged organic group, and
- (iii) the compound has a degree of substitution of about 0.001 to about 3.0.
Dependencies are inferred from the claim text.