Solid adherend substrates bonded with rubber cement compositions

Details Solid adherend substrates bonded with rubber cement compositions Solid adherend substrates bonded with rubber cement compositions

1976-12-15

1978-09-05

Ives, P. C.

Stock material or miscellaneous articles

Composite

Of metal

428463, 428473, 428507, 428520, 428535, 428904, 528155, 528153, 260845, 528143, 528144, 528137, 156331, B32B 1506, B32B 1518, B32B 1508, B32B 1510

Patent

active

041121600

ABSTRACT:
Rubber cement compositions which consist of rubbers and multi- (three and more) functional phenol-aldehyde modified bifunctional phenol resins, which are made by first obtaining the bifunctional phenolic resin by condensing 1 mole of bifunctional phenol with 0.5 to 3.0 moles of aldehydes in the presence of an alkaline catalyst, and then co-condensing 0.05 to 2.5 moles of multifunctional (three and more) phenols against 1 mol of the bifunctional phenols in the above-mentioned resin in the presence of an acidic catalyst, said co-condensed resin having a number average molecular weight of 700 - 1900, a resin melting point of 80.degree. - 160.degree. C, being curable and also being soluble in aromatic hydrocarbon solvents.

REFERENCES:
patent: 3660202 (1972-05-01), Edington et al.
patent: 3751331 (1973-08-01), Dane et al.
patent: 3917554 (1975-11-01), Inoue et al.

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