Hot-melt adhesive based on vinyl polymer and process for...

Details Hot-melt adhesive based on vinyl polymer and process for... Hot-melt adhesive based on vinyl polymer and process for...

C - Chemistry, Metallurgy

08

F

402/403, 402/412

C08F 220/12 (2006.01) A61L 15/58 (2006.01) C09J 133/08 (2006.01)

Patent

CA 1211896

HOT-MELT ADHESIVES BASED ON VINYL POLYMER AND PROCESS FOR ADHERING SURFACES THEREWITH ABSTRACT OF THE DISCLOSURE A hot-melt adhesive especially useful in the construction of dis- posable diapers contains a vinyl polymer of 40-90% by weight of a C1- C12 alkyl acrylate and 10-60% by weight of an alpha-olefin of C20- C40, wherein the alkyl acrylate may be partially replaced with vinyl acetate or with a C6-C12 olefin or with mixtures thereof, provided that the polymer contain at least 10% by weight of the alkyl acrylate. The adhesive may also contain a tackifying resin, a wax, an oil or a stabilizer depending on the specific end-use desired. In a preferred embodiment the polymer contains 20-45% by weight of the alpha-olefin.

398417

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