Rubber compositions with building tack

Details Rubber compositions with building tack Rubber compositions with building tack

2007-09-18

2011-12-20

Lee, Doris (Department: 1764)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S270000, C530S212000, C530S215000, C525S054400

Reexamination Certificate

active

08080602

ABSTRACT:
The invention relates to a rubber composition comprising a natural or synthetic rubber or a mixture of such rubbers, a tackifier, and optionally further additives, wherein the tackifier is prepared from a rosin and an alkylphenol aldehyde resin of the resol type, which rubber composition has a good building tack and tack retention.

REFERENCES:
patent: 5124422 (1992-06-01), Rance et al.
patent: 6022947 (2000-02-01), Frihart et al.
patent: 0362727 (1990-04-01), None
patent: 0385033 (1990-09-01), None
patent: 0563710 (1993-10-01), None
patent: 0643117 (1995-03-01), None
patent: 1514901 (2005-03-01), None
patent: 04-189844 (1992-07-01), None
patent: 2001-0106735 (2001-12-01), None

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