Gas barrier coating having improved bond strength

Details Gas barrier coating having improved bond strength Gas barrier coating having improved bond strength

B - Operations, Transporting

32

B

B32B 7/10 (2006.01) B32B 7/12 (2006.01) C08J 5/12 (2006.01)

Patent

CA 2697626

In order to maintain adequate bond strength of a composite in which a gas barrier coating comprising a clay dispersion and a polymer solution or dispersion of a PVA and/or EVA is positioned between two flexible plastics films using an adhesive, it is necessary that the clay dispersion and the polymer solution or dispersion should be kept separate until shortly before they are to be applied.

Pour maintenir la force d'adhérence voulue d'un composite comportant un revêtement étanche aux gaz comprenant une dispersion d'argile et une solution ou dispersion de polymère (de PVA et/ou EVA), placé entre deux films souples de plastique en utilisant un adhésif, il est nécessaire que la dispersion d'argile et que la solution ou dispersion de polymère soient maintenues séparées jusqu'à peu de temps avant leur application.

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