Adhesive compositions comprising type-II cellulose
AssigneeRenmatix, Inc.
InventorsEwellyn A. Capanema, Mikhail Y. Balakshin
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Abstract
Admixtures comprising an adhesive resin and cellulose are disclosed, in which at least a portion of the cellulose is type-II cellulose. Also disclosed are compositions comprising adhesive resins, in which the adhesive resins comprise a condensation product of formaldehyde and at least one phenolic compound, and the condensation product is formed in the presence of cellulose, wherein at least a portion of the cellulose is type-II cellulose. Articles of manufacture containing the admixtures and compositions, such as plywood and oriented strand board, are also disclosed. In addition, methods of preparing the compositions and articles of manufacture are disclosed.
Claims16
A wood adhesive comprising:
- an adhesive resin;
- and
- cellulose;
- wherein at least about 20 wt. % of the cellulose is type-II cellulose;
- and further comprising lignin.
A composition comprising an adhesive resin, wherein the adhesive resin comprises a condensation product of:
- formaldehyde;
- and
- at least one phenolic compound;
- wherein the condensation product is formed in the presence of cellulose and lignin;
- wherein at least about 20 wt. % of the cellulose is type-II cellulose.
A wood adhesive comprising:
- an adhesive resin;
- and
- cellulose;
- wherein at least about 20 wt. % of the cellulose is type-II cellulose;
- and
- wherein the cellulose is present in an amount of about 5 wt. % to about 50 wt. % of the total composition, on a dry basis.
Plywood or oriented strand wood comprising a cured wood adhesive comprising:
- an adhesive resin;
- and
- cellulose;
- wherein at least about 20 wt. % of the cellulose is type-II cellulose.
Dependencies are inferred from the claim text.