Binder mixtures containing lignin and phenol novolaks

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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524 14, 525481, 525502, 525507, 525508, 527403, 528 1, 528129, C08L 6100

Patent

active

053730704

ABSTRACT:
A binder mixture containing lignin or lignins with reactive groups and phenol-novolac in a weight ratio of 95:5 to 50:50 useful for the production of non-woven fabrics and wood fiber materials.

REFERENCES:
patent: 4239666 (1980-12-01), Jacko et al.
patent: 4320036 (1982-03-01), Gobran et al.
patent: 5260405 (1993-11-01), Gardziella et al.

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