Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1970-12-08
1977-03-22
Schain, Howard E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 324, 260 334R, 260838, 428460, 428524, C08L 6106, C08L 6108, C08L 6112
Patent
active
040136051
ABSTRACT:
A process for the preparation of a flexible phenolic resin which comprises co-condensing a dimethylol phenol, substituted by an alkyl group having from 1 to 20 carbon atoms, with a methylol derivative of a polyfunctional phenol in which derivative at least half of the reactive hydrogen atoms in the polyfunctional phenol are substituted by methylol groups and wherein the ratio of the methylol groups of the derivative of the polyfunctional phenol per mol of the dimethylolalkyl phenol is from 1.4:1 to 6:1, a phenolic resin prepared by said process, a coating composition containing said phenolic resin and an article coated with or comprising said phenolic resin.
REFERENCES:
patent: 3026586 (1962-03-01), Neuworth et al.
patent: 3227686 (1966-01-01), Fitko et al.
patent: 3409579 (1968-11-01), Robins
patent: 3448001 (1969-06-01), Jarvi
patent: 3478127 (1969-11-01), Petersen
patent: 3485797 (1969-12-01), Robins
Martin, The Chemistry of Phenolic Resins, N.Y., John Wiley & Sons, Inc., 1956, pp. 21, 258-259.
Martin, Ibid, pp. 6-20.
Hesse Wolfgang
Hultzsch Kurt
Mummenthey Hans-Dieter
Hoechst Aktiengesellschaft
Schain Howard E.
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