Heat-curable tannin-based binding agents

Details Heat-curable tannin-based binding agents Heat-curable tannin-based binding agents

1994-10-04

1996-07-02

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528126, 524799, 525506, C08G 6700

Patent

active

055323308

ABSTRACT:
A heat-curable, formaldehyde-free binding agent comprising a polyflavonoid type tannin and as a curing catalyst, a compound having a weak acid reaction curable at relatively high temperatures and compatible with cellulose containing materials such as wood chips for the production of particle boards.

REFERENCES:
patent: 3615788 (1971-10-01), Kim et al.
Journal of Macromolecular Science--Chemistry, vol. A16(7), pp. 1243-1250 (1981), Tannin Adhesives for Particleboard--European Search Report No. 94112177.4.
Meikleham et al, J. Appl. Polym. Sci. (1994), 54(12) 1827-45.
George, Joseph, "Tannin Adhesives for wood based panels," J. Indian Acad. Wood Sci. (1976), 7(1), 31-5.

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