B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/514
B29C 49/22 (2006.01) B05D 7/22 (2006.01) B32B 27/30 (2006.01) B65D 23/02 (2006.01) B65D 23/08 (2006.01) C08J 7/04 (2006.01)
Patent
CA 1188061
S P E C I F I C A T I O N To All Whom It May Concern: Abstract of the Disclosure Disclosed is a process for the preparation of a coated oriented plastic container,which comprises coating an aqueous latex or organic solvent solution of a vinyli- dene chloride copolymer on at least one surface of a parison, preform or sheet for formation of container which is formed by hot molding of a molecularly orientable thermoplastic resin, drying the coated parison, preform or sheet to form a coating layer, and subjecting the formed coated structure to draw molding such as biaxial draw blow molding or draw forming, wherein the coating layer of the vinylidene chloride copolymer is crystallized at the step of forming the coating layer or the draw molding step. In the coated oriented plastic container prepared according to this process, the adhesion of the coating layer of the vinylidene chloride copolymer to the plastic - 1 - container substrate is highly improved, and even under severe conditions, peeling of the coating layer is prevented. Moreover, the gas barrier property, strength and chemical resistance of the container are prominently improved, - 1' -
414946
Hirata Sadao
Maruhashi Yoshitsugu
Tanikawa Isao
Smart & Biggar
Toyo Seikan Kaisha Ltd.
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