Halogen-resistant composition

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 5/00 (2006.01) C02F 1/76 (2006.01) C08K 5/138 (2006.01) C08K 5/5317 (2006.01) C08L 29/04 (2006.01)

Patent

CA 2645237

A water-soluble, halogen-resistant film-forming composition useful for packaging water treatment products is disclosed. The film can include an acid-stable, water-soluble polyvinyl alcohol polymer, an oxidizable organic material, a chelating agent, a free radical scavenger, and secondary additives such as plasticizers, lubricants, and surfactants. The resulting film has favorable solubility properties after having been exposed to halogenated (e.g., chlorinated and brominated) compositions such as water treatment and agricultural products for prolonged periods of time.

La présente invention concerne une composition filmogène hydrosoluble et résistante à l'halogène pour emballer des produits de traitement de l'eau. Le film peut comporter un polymère d'alcool polyvinylique hydrosoluble et stable en présence d'acide, un agent matériau organique oxydable, un agent chélatant, un capteur de radicaux libres, et des additifs secondaires tels que des agents plastifiants, des lubrifiants, et des tensioactifs. Le film obtenu présente des propriétés avantageuses après une exposition à des compositions halogénées (par exemple, chlorées ou bromées) telles que des produits de traitement de l'eau et agricoles pour de périodes de temps prolongées.

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