Rubber composition and rubber roller

Details Rubber composition and rubber roller Rubber composition and rubber roller

2005-03-22

2005-03-22

Lipman, Bernard (Department: 1713)

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S141000

Reexamination Certificate

active

06870008

ABSTRACT:
0.3-5.0 parts by weight of phenol resin, sulfur, and vulcanizing accelerator are added to 100 parts by weight of EPDM rubber. They are kneaded, and the EPDM rubber is vulcanized and molded. Generation of blooming can be suppressed without inhibiting the vulcanizing speed and the vulcanizing start timing.

REFERENCES:
patent: 4396756 (1983-08-01), Baur
patent: 4465807 (1984-08-01), Giller
patent: 4699832 (1987-10-01), Sattelmeyer
patent: 4791170 (1988-12-01), Makino et al.
patent: 5145905 (1992-09-01), Sattelmeyer
Japanese Patent Application Laid-Open No. 57-73035 with English abstract.
Japanese Patent Application Laid-Open No. 57-180647 with English abstract.
Japanese Patent Application Laid-Open No. 63-191848.
Japanese Patent Application Laid-Open No. 2-135272 with English abstract.
Japanese Patent Application Laid-Open No. 5-214142 with English abstract.
Japanese Patent Application Laid-Open No. 9-249778 with English abstract.
Whitby, G.S., Synthetic Rubber, J. Wiley & Sons (1954), p. 393.

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