Process for cross-linking a polymer

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

Reexamination Certificate

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C525S383000, C525S374000, C525S192000, C525S293000, C525S296000, C525S301000, C525S313000

Reexamination Certificate

active

06989425

ABSTRACT:
Process for cross-linking a polymer or a resin with the help of a peroxide, in the presence of a co-agent, the co-agent used being a compound according to formula 1, in which n is higher than or equal to 2, R1is an aliphatic or aromatic group and the R2and R3groups, independently of each other, can be a hydrogen atom, an aliphatic or an aromatic group. The polymer used preferably is EPDM or CSM.

REFERENCES:
patent: 3502542 (1970-03-01), Wenisch et al.
patent: 4278586 (1981-07-01), Marzola et al.
patent: 4385136 (1983-05-01), Ancker et al.
patent: 4548993 (1985-10-01), Garagnani et al.
patent: 880 596 (1961-10-01), None
patent: 619 343 (1994-10-01), None
Derwent Publications, Ltd., AN 1997-128706, English abstract of JP 09 12542 filed Jan. 14, 1997.

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