Tube comprising at least three layers

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 1/08 (2006.01) A61L 29/04 (2006.01) A61L 29/06 (2006.01) A61L 29/08 (2006.01) A61M 39/08 (2006.01) B32B 27/08 (2006.01) F16L 11/04 (2006.01)

Patent

CA 2226443

Tube comprenant: (a) une couche intérieure essentiellement constituée d'un copolyester obtenu à partir d'au moins un poly(alkylène oxyde)glycol, d'acide 1,4-cyclohexane- dicarboxylique et de 1,4-cyclohexane-diméthanol; (b) une couche intermédiaire essentiellement constituée de copolymère éthylène- acétate de vinyle et/ou d'un copolymère comprenant au moins un bloc de polyamide et au moins un bloc de poly(alkylène oxyde); (c) une couche extérieure essentiellement constituée d'un copolyester obtenu à partir d'au moins un poly(alkylène oxyde)glycol, d'acide 1,4-cyclohexane- dicarboxylique et de 1,4-cyclohexane-diméthanol. Ce tube peut être avantageusement utilisé dans des applications médicales.

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