Heatset multilayer container

Details Heatset multilayer container Heatset multilayer container

B - Operations, Transporting

32

B

190/26, 18/514

B32B 1/02 (2006.01) B29C 49/00 (2006.01) B29C 49/22 (2006.01) B32B 7/02 (2006.01) B32B 27/06 (2006.01) B32B 27/36 (2006.01)

Patent

CA 1265904

ABSTRACT: A hollow transparent delamination resistant heatset multilayer article is disclosed where the article includes at least one barrier layer containing a copolyester formed from terephthalic acid, ethylene glycol and 1,3 bis(2- hydroxyethoxy) benzene directly adhered to at least one layer containing poly(ethylene) terephthalate (PET). The multilayer articles are blowmolded using a heatsetting process. The heatset multilayer articles retain high gas barrier properties, uniform thickness in layers, and desirable mechanical strength properties even after the heatsetting process. Also, the multilayer heatset articles have excellent interlayer adhesion without the need for an adhesive layer, high thermal stability, and remain optically clear after the heatsetting process.

527780

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