Rubber mixtures having improved surface tack

Details Rubber mixtures having improved surface tack Rubber mixtures having improved surface tack

1975-10-14

1977-08-09

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 302, 260251R, 260761, C08K 534

Patent

active

040412229

ABSTRACT:
2-Oxotetrahydropyrimidines of the general formula: ##STR1## in which R.sup.1 to R.sup.4 denote hydrogen or alkyl of from 1 to 20 carbon atoms and may be the same or different. The compounds are suitable for use as tackifiers for rubber. They produce excellent and long-lasting surface tack in rubber mixtures.

REFERENCES:
patent: 2871211 (1959-01-01), Mika
patent: 3450703 (1969-06-01), Petersen
patent: 3891608 (1975-06-01), Petersen

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