Polymer composition

H - Electricity – 01 – C

Patent

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Details

H01C 7/02 (2006.01) H01B 1/22 (2006.01) H01C 10/10 (2006.01) H03K 17/96 (2006.01)

Patent

CA 2278246

A polymer composition is elastically deformable from a quiescent state. The composition includes at least one electrically conductive filler dispersed within and encapsulated by a non-conductive elastomer, the nature and concentration of the filler being such that the electrical resistivity of the composition is variable in response to distortion forces down to a value substantially equal to that of the conductor bridges of the filler. The composition further includes a modifier which, on release of the distortion forces, accelerates the elastic return of the composition to its quiescent state.

La présente invention concerne une composition polymère qui est élastiquement déformable à partir d'un état de repos, qui comporte au moins une charge électroconductrice dispersée en son sein et qui est enrobée par un élastomère non conducteur. La nature et la concentration de la charge est telle que la résistivité électrique de la composition varie en fonction de forces de distorsion, en diminuant jusqu'à une valeur sensiblement égale à celle des ponts conducteurs de la charge. La composition comporte en outre un modificateur qui, lorsque les forces de distorsion se relâchent, accélère le retour élastique de la composition à son état de repos.

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