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US 9,040,682 B2Granted
Flame retardant cellulose
AssigneeInternational Business Machines Corporation
InventorsDylan J. Boday, Joseph Kuczynski
Life of this patent
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Abstract
Flame retardant cellulose is prepared comprising cellulose fibers and an organophosphate compound bonded to the cellulose fibers. Accordingly, the bonded phosphate-functional group provides the cellulose fibers with pendant phosphate ester functionality. Numerous phosphate derivatives can be envisaged that will accomplish the intended task.
Claims10
A flame retardant cellulose, comprising:
- cellulose fibers;
- and
- an organophosphate compound covalently bonded to the cellulose fibers.
A method of making a flame retardant cellulose, comprising the steps of:
- providing cellulose fibers;
- and
- reacting the cellulose fibers with an organophosphate compound to produce a flame retardant cellulose comprising an organophosphate compound covalently bonded to the cellulose fibers.
Dependencies are inferred from the claim text.