Ostomy film
AssigneeW. R. Grace & Co.-Conn.
InventorsAurelio Oreglia, Paolo Vietto
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Abstract
The invention provides a sheet material which comprises a non-woven plastics film and bonded thereto without an adhesive, a barrier film; the sheet material is especially useful for the production of ostomy bags.
Claims15
A container formed from a sheet material which comprises a nonwoven plastics film and, bonded thereto without an adhesive, a gas and odor barrier film, said barrier film comprising, in the following order:
- a contact layer in contact with said non-woven film and having a high affinity for the material of said non-woven film;
- a gas barrier layer;
- and
- a sealing layer.
The container of claim 5, wherein said sealing layer is formed from a material selected from the group consisting of ethylene-vinyl acetate copolymer, ethylene-butyl acrylate copolymer, ionomer, low density polyethylene, chlorinated polyethylene, linear low density polyethylene, very low density polyethylene, ethylene-methyl acrylate copolymer, and ethylene-acrylic acid copolymer.
Dependencies are inferred from the claim text.