Essentially amorphous, non-chlorinated polymeric barrier...

Details Essentially amorphous, non-chlorinated polymeric barrier... Essentially amorphous, non-chlorinated polymeric barrier...

C - Chemistry, Metallurgy

08

J

C08J 5/18 (2006.01) A61F 5/445 (2006.01) B32B 27/08 (2006.01) B32B 27/30 (2006.01) B32B 27/32 (2006.01) B32B 27/34 (2006.01) B32B 27/36 (2006.01)

Patent

CA 2377235

Essentially amorphous non-chlorinated polymeric films are provided which are effective barriers to odors and organic molecules, making them particularly useful for ostomy bags (colostomy, ileostomy), trans-dermal delivery systems (TDDS), cosmetic patches, incontinence bags, medical collection bags, parenteral solution bags, and food packaging, as well as for protective clothing and soil fumigation applications. The barrier layers of the present invention can be used as monolayers or can be a component film of a multilayer structure. The barrier films may be used with or without other film layers that promote reduced noise emission. Alternately, single and multi-layer films may omit the barrier layer in favor of the reduced noise emission layers.

L'invention concerne des films polymériques non chlorés essentiellement amorphes, constituant des barrières efficaces contre les odeurs et les molécules organiques, ce qui les rend notamment utiles pour des poches de stomie (colostomie, iléostomie), des systèmes d'apport transdermique (TDDS), des patchs cosmétiques, des poches d'incontinence, des sacs collecteurs médicaux, des poches de solution parentérales, et des emballages alimentaires, de même que pour des vêtements de protection et pour la fumigation des sols. Les couches barrières de la présente invention peuvent être utilisées comme des monocouches ou peuvent constituer un film composant à structure multicouche. Les films barrières peuvent être utilisés avec ou sans autres couches de film qui favorisent la réduction du niveau sonore. Dans une variante de réalisation, des films simples et multicouches peuvent, ne pas comporter la couche barrière et qui peut être substituée par des couches de réduction du niveau sonore.

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