Breathable waterproof film
AssigneeElf Atochem S.A.
InventorsLaurent Fischer, Michel Degrand, Alain Bouilloux, Jean-Claude Jammet, Yves Germain
Life of this patent
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Abstract
The invention relates to a breathing film constituting a mixture including: (a) at least one thermoplastic elastomer which has polyether blocks; (b) at least one copolymer including ethylene and at least one alkyl (meth)acrylate. They can be used in combination with fabrics or with nonwovens.
Claims8
A breathable waterproof article comprising a breathable waterproof film of a mixture which comprises a) at least one thermoplastic elastomer having polyether blocks and b) at least one copolymer of ethylene and at least one alkyl (meth)acrylate, in combination with a member selected from the group consisting of nonwovens and fabrics.
A breathable waterproof article comprising a breathable waterproof film of a mixture which comprises a major proportion by weight of a thermoplastic elastomer comprising a polyetheresteramide block copolymer and a minor proportion by weight of an ethylene/alkyl (meth)acrylate copolymer and of an ethylene/alkyl (meth)acrylate/maleic anhydride copolymer, in combination with a member selected from the group consisting of nonwovens and fabrics, said article being in the form of a protective garment for medical personnel, a disposable hygiene article, a mattress draw sheet, a roof-lining film for a house, an article of clothing, or an article of footwear.
Dependencies are inferred from the claim text.