Multi-layer sandwich sheet and packaging using the said sheet

Details Multi-layer sandwich sheet and packaging using the said sheet Multi-layer sandwich sheet and packaging using the said sheet

B - Operations, Transporting

32

B

154/106

B32B 27/18 (2006.01) A61L 9/12 (2006.01) B29C 47/06 (2006.01) B65D 65/40 (2006.01) B65D 81/28 (2006.01)

Patent

CA 1306175

Case 3440 Multi-layer sandwich sheet and packaging using the said sheet ABSTRACT Multi-layer laminated sandwich sheet, comprising at least two layers which are superimposed and stuck together by welding or gluing, one of which being constituted by a material impervious to the active volatile agents of a perfuming or deodorizing composition, of an aroma or of an insecticidal or bactericidal substance, and the other being composed of a film made from a polymer or a copolymer with a polyolefin base or from a copolymer of polyamide and polyether,which film contains, in dispersed and homogeneous phase, a base constituted by aperfuming or deodorizing composition, an aroma or an insecticidal or bactericidal substance, and a process for its manufacture. Packaging manufactured with the help of the said sheet.

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