US 2004/0006184 A1 · Halogen- and sulfur-free shaped articles containing peroxide curable compounds of butyl rubber

Abstract

The present invention relates to a shaped article for high purity applications containing at least one peroxide curable compound containing a substantially gel-free butyl polymer. In another of its aspects, the present invention relates to a sealing material and a medical device containing at least one peroxide-curable compound containing a substantially gel-free butyl polymer. In still another of its aspects, the present invention relates to a fuel cell containing at least one peroxide curable compound containing a substantially gel-free butyl polymer. In still another of its aspects, the present invention relates to halogen-free and sulfur-free shaped articles.

Claims11

Dependent claims

A shaped vulcanized article for high purity applications comprising at least one compound comprising:

a. at least one elastomeric polymer comprising repeating units derived from at least one C4 to C7 isomonoolefin monomer, at least one C4 to C14 multiolefin monomer or β-pinene, at least one multiolefin cross-linking agent and at least one chain transfer agent said polymer comprising less than 15 wt. % of solid matter insoluble in boiling cyclohexane under reflux for 60 min,
b. at least one filler and
c. a peroxide curing system;
wherein the shaped vulcanized article is halogen-free and sulfur free.

1 more element

Dependencies are inferred from the claim text.

Halogen- and sulfur-free shaped articles containing peroxide curable compounds of butyl rubber

Life of this patent

Halogen- and sulfur-free shaped articles containing peroxide curable compounds of butyl rubber

Life of this patent

Abstract

Claims11