Barrier structure and method for making

Details Barrier structure and method for making Barrier structure and method for making

B - Operations, Transporting

32

B

B32B 27/08 (2006.01)

Patent

CA 2743476

The disclosure is directed to a barrier structure including a fluoropolymer layer and a polymeric layer. The barrier structure has a chemical permeation breakthrough detection time greater than about one hour for hazardous chemicals as measured by ASTM F739. The disclosure is further directed to a method of forming the aforementioned barrier structure. The barrier materi-al is designed to be suitable for construction of shelters, clothing, containers and other articles requiring barrier properties.

L'invention porte sur une structure barrière comprenant une couche de polymère fluoré et une couche polymère. La structure barrière présente un temps de détection de passage de perméation chimique supérieur à environ une heure pour des produits chimiques dangereux, tel que mesuré par ASTM F739. L'invention porte en outre sur un procédé de formation de la structure barrière précitée. Le matériau de barrière est mis au point pour être approprié pour la construction d'abris, de vêtements, de contenants et dautres articles nécessitant des propriétés de barrière.

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