Binding agents

Details Binding agents Binding agents

1992-10-26

1993-10-19

Kight, III, John

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528 1, 528129, 528149, 528155, 528163, 528218, 528230, 528250, 528254, 528423, 525405, 525480, 525481, 525491, 525496, 525497, 428224, 428288, 428290, 428291, 106 382, 106 386, 106218, 106602, 106603, 527403, 188251A, C08L 6102

Patent

active

052546390

ABSTRACT:
A binding agent for molded bodies and molding compositions produced by prereacting a mixture of 5 to 60% by weight of lignin or a lignin fraction produced by the Organosolv process and 40 to 95% by weight of a phenol novolac resin and subjecting the latter to high shear forces in a kneader or extruder and optionally mixing the same with a curing agent useful in molding compositions and high temperature-stable molded products such as refractory products, friction coatings, textile fleeces and carbon or graphite materials.

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patent: 4320036 (1982-03-01), Gobran et al.
patent: 4469858 (1984-09-01), Chen
patent: 4877761 (1989-10-01), Chmiel et al.
patent: 4918116 (1990-04-01), Gardziella et al.
patent: 5010156 (1991-04-01), Cook et al.

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