Adhesive for the manufacture of plywood, particle boards, fiber

Details Adhesive for the manufacture of plywood, particle boards, fiber Adhesive for the manufacture of plywood, particle boards, fiber

1977-07-14

1978-08-08

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

156335, 260 172, C08L 9700, C08L 6114

Patent

active

041056060

ABSTRACT:
An adhesive for the manufacture of plywood, fiber board, particle board, and similar products, and containing the combination of phenol formaldehyde resin, and a lignin derivative, such as lignosulfonates, or alkali lignins. According to the invention a minimum of 65% by weight of the lignosulfonates and a minimum of 40% by weight of the alkali lignins have relative molecular weights in excess of that of Glucagon.

REFERENCES:
patent: 2159411 (1939-05-01), Wallace
patent: 2168160 (1939-08-01), Hochwalt et al.
patent: 2794790 (1957-06-01), Marshall et al.
patent: 2891918 (1959-06-01), Uschmann
patent: 3095392 (1963-06-01), Herrick
patent: 3185654 (1965-05-01), Ball et al.
patent: 3658638 (1972-04-01), Ludwig et al.
patent: 3677884 (1972-07-01), Bornstein

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