Cationic poly alpha-1,3-glucan ethers
First Claim
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1. A composition comprising a poly alpha-1,3-glucan ether compound represented by the structure:
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Abstract
Poly alpha-1,3-glucan ether compounds are disclosed herein comprising positively charged organic groups. The degree of substitution of the ether compounds is about 0.05 to about 3.0. Also disclosed are methods of producing poly alpha-1,3-glucan ether compounds having positively charged organic groups, as well as methods of using these ether compounds for increasing the viscosity of a aqueous compositions. Hydrocolloids and aqueous solutions comprising the ether compounds are also disclosed.
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Citations
67 Claims
- 1. A composition comprising a poly alpha-1,3-glucan ether compound represented by the structure:
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24. A method of producing a poly alpha-1,3-glucan ether compound, the method comprising:
(a) contacting poly alpha-1,3-glucan in a reaction under alkaline conditions with at least one etherification agent comprising a positively charged organic group, wherein at least one positively charged organic group is etherified to the poly alpha-1,3-glucan thereby producing a poly alpha-1,3-glucan ether compound represented by the structure;
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25. A method for increasing the viscosity of an aqueous composition, the method comprising:
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contacting a poly alpha-1,3-glucan ether compound with the aqueous composition, wherein the viscosity of the aqueous composition is increased by said compound, wherein said compound is represented by the structure;
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26. A method of treating a material, said method comprising:
contacting a material with an aqueous composition comprising a poly alpha-1,3-glucan ether compound represented by the structure; - View Dependent Claims (27)
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28. A composition comprising a poly alpha-1,3-glucan ether compound represented by the structure:
- 29. A composition comprising at least one surfactant and a poly alpha-1,3-glucan ether compound represented by the structure:
- 41. A composition comprising at least one enzyme and a poly alpha-1,3-glucan ether compound represented by the structure:
- 51. A composition comprising fiber and a poly alpha-1,3-glucan ether compound represented by the structure:
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67. A method of treating a material that comprises fabric, said method comprising:
contacting said material with an aqueous composition comprising a poly alpha-1,3-glucan ether compound represented by the structure;
Specification