Resol type varnishes containing tar acids

Details Resol type varnishes containing tar acids Resol type varnishes containing tar acids

1975-12-23

1977-07-26

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 328N, 260 53R, 260 57R, 260 59R, 260 67A, 428531, C08G 1406, C08G 1412, C08G 1414

Patent

active

040382362

ABSTRACT:
A thermosetting resol-type resin, particularly suitable in varnish form in a solvent for laminating, is produced by reacting a blend of a tar acid and a resinous product of reacting an oxygen-containing naphthalene-formaldehyde resin with a phenol, with formaldehyde in the presence of ammonia.

REFERENCES:
patent: 2954360 (1960-09-01), Krzikalla et al.
patent: 3303167 (1967-02-01), Kakiuchi et al.
patent: 3370023 (1968-02-01), Huang et al.
patent: 3993851 (1976-11-01), Robinson et al.
Chem. Abstracts, vol. 77, 1972, 62751u, Robinson et al.
Phenolic Resins, Whitehouse et al. p. 109.
Merck Index, 8th Ed. 1968, p. 590.
Encyclopedia of Chemical Technology, vol. 15, 1969, pp. 189-190, Kirk-Othmer.

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