Laminates prepared from resol-type phenol resins

Details Laminates prepared from resol-type phenol resins Laminates prepared from resol-type phenol resins

1978-01-19

1979-12-18

Schain, Howard E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 334R, 260 336R, 428460, 428524, 428531, 528152, 528153, C08G 820, C08G 824, B32B 2742

Patent

active

041794290

ABSTRACT:
A new resol-type phenol resin is described which is obtained by heat-reacting isopropenylphenol oligomer as partial or whole phenol component of the resin with an aldehyde in the presence of a basic catalyst. Varnishes are obtained by adding a suitable vehicle to the resin. Laminates manufactured by impregnating a base with the phenol resin and heating the impregnated base to cure the resin are obtained with superior mechanical and electrical characteristics.

REFERENCES:
patent: 2006043 (1935-06-01), Dykstra
patent: 2587578 (1952-03-01), Jones
patent: 2907751 (1959-10-01), Christenson et al.
patent: 3294746 (1966-12-01), Farnham
patent: 3758597 (1973-09-01), Buysch et al.
Chem. Abstracts. vol. 71, 1969, 22525t, Ismailov et al.

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