Polymers and copolymers of indene grafted on elastomeric...

Details Polymers and copolymers of indene grafted on elastomeric... Polymers and copolymers of indene grafted on elastomeric...

C - Chemistry, Metallurgy

08

F

400/2023

C08F 279/02 (2006.01) C08F 255/00 (2006.01)

Patent

CA 1080389

ABSTRACT OF DISCLOSURE Thermoplastic elastomers with improved breaking strength and mechanical properties, consisting of polymers grafted on an elastomeric chain which includes double bonds and active sites. The latter are more particularly halogen atoms, especially chlorine, and the grafted polymer is a poly- indene or a copolymer of indene with styrene derivatives, such as .alpha.-methylstyrene or para-alkyl-styrene. In the process for preparing these thermoplastic elastomers the choice of constituent proportions, catalyst and solvent is important. Elastomers possessing at 80°C a breaking strength of at least 60 kg/cm can be obtained.

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