Olefin containing polymers treated with oxycarbonylsulfenyl halides
AssigneeExxon Research & Engineering Co.
InventorsStanley J. Brois, Gary Ver Strate
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Abstract
There are disclosed monofunctional and polyfunctional aliphatic oxycarbonylsulfenyl chlorides having general utility as crosslinking, coupling and chemical modification agents for olefin containing polymers, particularly unsaturated rubber hydrocarbon elastomers.
Claims6
A method for chemically modifying and crosslinking polymers having olefin unsaturation so as to provide said polymers with hydroxyl functionality, said polymers being selected from the group consisting of synthetic and natural hydrocarbon elastomers, vinyl and vinylidene polymers, olefinically unsaturated acrylic polymers, polyvinyl esters and copolymers thereof, unsaturated polyesters and allyl polymers, which comprises reacting said polymer at the site of the olefinic linkage with an aliphatic organic oxycarbonylsulfenyl chloride of the general formula R(OC(:O)SCl).sub.n wherein n is an integer of at least 2 and R represents a saturated aliphatic radical being the residual portion of a polyhydric alcohol or a polyalkylene ether polyol containing residual hydroxyl functionality.
Dependencies are inferred from the claim text.