Adhesion of rubber to reinforcing materials

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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Details

260 4232, 260 4247, 525135, 525139, 525140, C08L 700, C08L 900, C08L 1100, C08L 6104

Patent

active

042579260

ABSTRACT:
A method is disclosed for adhering rubber and reinforcing materials simultaneously with vulcanization, without defects such as fume and bloom phenomena of formaldehyde-acceptors, deliquescence and blocking, which is characterized in the use of a vulcanizable rubber composition containing an improved co-polycondensate resin which is prepared by condensing (A) a resol type pre-polycondensate prepared by at least one phenol and formaldehyde or acetaldehyde in the presence of an alkaline catalyst, and (B) resorcinol, m-aminophenol or the like, while distilling off water present in the reaction system, and then solidifying the reaction mixture.

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patent: 3963652 (1976-06-01), Tanimura et al.
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patent: 4014827 (1977-03-01), Hart et al.
patent: 4025454 (1977-05-01), Rouzier

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