Multilayered structure and colostomy bag made therefrom
First Claim
Patent Images
1. A multilayered structure consisting essentially of at least one gas barrier layer of an ethylene-vinyl alcohol copolymer having an ethylene content of 20 to 50 mol % and an oxygen transmission rate measured at 20°
- C., 65% RH of not more than 10 cc. 20μ
/m2 ·
day·
atm.;
at least one protective layer to protect said gas barrier layer, and from 0.1% to 50% by weight of a deodorant incorporated in either or both of said layers, the weight % of said deodorant being based upon the weight of the layer in which said deodorant is incorporated, said multilayered structure providing an effective barrier against skatole and ammonia odors.
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Abstract
A multilayered structure comprising at least 2 layers of a gas barrier resin layer and a protective layer, at least 1 layer thereof containing a deodorant, and a colostomy bag having excellent odor barrier properties (skatole and ammonia barrier properties) made of the film of the multilayered structure.
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Citations
9 Claims
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1. A multilayered structure consisting essentially of at least one gas barrier layer of an ethylene-vinyl alcohol copolymer having an ethylene content of 20 to 50 mol % and an oxygen transmission rate measured at 20°
- C., 65% RH of not more than 10 cc. 20μ
/m2 ·
day·
atm.;
at least one protective layer to protect said gas barrier layer, and from 0.1% to 50% by weight of a deodorant incorporated in either or both of said layers, the weight % of said deodorant being based upon the weight of the layer in which said deodorant is incorporated, said multilayered structure providing an effective barrier against skatole and ammonia odors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- C., 65% RH of not more than 10 cc. 20μ
Specification