Modified novolak terpene products

Details Modified novolak terpene products Modified novolak terpene products

1989-10-02

1992-03-17

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

523149, 5251335, 5255015, 528143, 528155, 5281585, C08G 804, C08G 1402, C08L 6104

Patent

active

050969960

ABSTRACT:
Modified novolaks based on phenols which are trifunctional with respect to formaldehyde and contain, as modifying components, terpenes and unsaturated carboxylic acids or derivatives of these compounds, the weight ratio between the terpenes and the unsaturated carboxylic acids or derivatives thereof being in the range from 98.5:2.5 to 2.5:98.5 and the weight ratio between the phenolic component and the sum of the modified components being in the range from 95:5 to 5:95 and the modified novolaks having a melting point greater than 45.degree. C.
Process for the preparation of the modified novolaks by admixing the modifying components indicated with non-modified novolaks in the necessary amounts at temperatures between 80.degree. and 300.degree. C.
Use of the modified novolaks as reinforcing resins for rubber and elastomers, as tackifying agents for rubber, as binders for friction linings, curable molding compositions, impregnants, coatings, paints and binders for finely divided inorganic substrates.

REFERENCES:
patent: 2321626 (1943-06-01), Rosenblum
patent: 2411557 (1946-11-01), Schuh
patent: 4073826 (1975-05-01), Galkiewicz

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