Elastic materials with improved performance at body temperature

Details Elastic materials with improved performance at body temperature Elastic materials with improved performance at body temperature

B - Operations, Transporting

32

B

B32B 27/28 (2006.01) A61F 13/15 (2006.01) A61L 15/22 (2006.01)

Patent

CA 2274227

Laminate compositions with significantly improved retention of elastic and mechanical properties such as stress relaxation, permanent set, elongation modulus and hysteresis modulus at temperatures slightly above body temperature, under actual use conditions, are formed from polymeric materials containing styrene copolymers and polymeric compounds blended with polyphenylene ether.

La présente invention concerne des compositions stratifiées présentant des propriétés mécaniques et élastiques de rétention sensiblement améliorées telles que la relaxation des contraintes, la déformation permanente, module d'allongement et le module d'hystérésis à des températures légèrement supérieures à la température du corps dans des conditions réelles d'utilisation. Lesdites compositions sont formées de matériaux polymères contenant des copolymères de styrène et des composés polymères mélangés à un éther de polyphénylène.

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