Isobutylene based elastomer blends having improved strength,...

Details Isobutylene based elastomer blends having improved strength,... Isobutylene based elastomer blends having improved strength,...

C - Chemistry, Metallurgy

08

L

C08L 23/22 (2006.01) C08F 8/20 (2006.01) C08L 23/10 (2006.01) C08L 23/14 (2006.01) C08L 23/16 (2006.01) C08L 23/18 (2006.01) C08L 23/28 (2006.01)

Patent

CA 2372278

The improved green strength, green elongation, and green relaxation properties of isobutylene based elastomers at elevated temperatures along with improved aging and barrier properties are achieved by blending semi-compatible, semi- crystalline polymers with the isobutylene elastomers. The improved properties are maintained in subsequent rubber compounds containing said blends and are particularly useful in tire and pharmaceutical container applications.

Les propriétés améliorées de résistance en vert, d'allongement en vert et de relaxation en vert d'élastomères à base d'isobutylène à des températures élevées de même que des propriétés améliorées de vieillissement et d'arrêt sont obtenues par mélange de polymères semi-compatibles semi-cristallins aux élastomères d'isobutylène. Les propriétés améliorées sont maintenues dans des composés de caoutchouc résultants contenant lesdits mélanges et elles sont particulièrement utiles dans des applications de pneumatiques et de récipients pharmaceutiques.

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