Thermosetting polysaccharides
First Claim
Patent Images
1. A composition comprising:
- a polycarboxylated polymer comprising at least two carboxylic acid functional groups and having a weight average molecular weight of at least 1000, and a polysaccharide molecule selected from the group consisting of starch, cellulose, gums, alginates, pectin, gellan and modifications or derivatives thereof which are provided by etherification, esterification, acid hydrolysis, dextrinization, oxidation or enzyme treatment, the polysaccharide molecule present in amounts effective to provide crosslinked compositions, said polysaccharide having a weight average molecular weight of at least 10,000.
3 Assignments
0 Petitions
Accused Products
Abstract
Polysaccharide based thermosetting systems and compositions which utilize such thermosets are disclosed. The composition comprises a polysaccharide having a weight average molecule weight of at least 10,000 and a polycarboxylated polymer having at least two carboxylic acid functional groups and a weight average molecular weight of at least 1,000.
175 Citations
19 Claims
-
1. A composition comprising:
a polycarboxylated polymer comprising at least two carboxylic acid functional groups and having a weight average molecular weight of at least 1000, and a polysaccharide molecule selected from the group consisting of starch, cellulose, gums, alginates, pectin, gellan and modifications or derivatives thereof which are provided by etherification, esterification, acid hydrolysis, dextrinization, oxidation or enzyme treatment, the polysaccharide molecule present in amounts effective to provide crosslinked compositions, said polysaccharide having a weight average molecular weight of at least 10,000. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- 9. A method of crosslinking a polycarboxylated polymer comprising at least two carboxylic acid functional groups and having a weight average molecular weight of at least 1000, said method comprising combining the polycarboxylated polymer with a polysaccharide molecule having a weight average molecular weight of at least 10,000 in amounts and under temperature, pressure and chemical conditions effective to remove water and induce crosslinking and provide crosslinked compositions.
-
15. An article of manufacture comprising a composition which comprises
a polycarboxylated polymer comprising at least two carboxylic acid groups and having a weight average molecular weight of at least 1,000, and a polysaccharide present in amounts effective to provide crosslinked compositions, the polysaccharide having a weight average molecular weight of 10,000 or more.
Specification