Method for producing a barrier container

Details Method for producing a barrier container Method for producing a barrier container

2008-04-21

2010-12-28

Wyrozebski, Kat (Department: 1791)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S304200, C156S332000, C264S545000, C525S057000, C525S221000

Reexamination Certificate

active

07857938

ABSTRACT:
There is provided a method for producing a barrier container having a barrier layer which constitutes the inner surface of the container by joining container parts, the method having step (1) of producing container parts from a thermoplastic resin, the container parts each having an inner surface, step (2) of applying a coating liquid containing a liquid medium and a polymer component (A) having hydroxyl groups and carboxyl groups with a ratio of the number of the hydroxyl groups to the number of the carboxyl groups of from 30:70 to 95:5 to the inner surfaces of the container parts produced in step (1), thereby forming a film on the inner surfaces, step (3) of joining the container parts having the film to form a primary container, and step (4) of dry heating the primary container to obtain a dry heated container having a barrier layer.

REFERENCES:
patent: 3932692 (1976-01-01), Hirata et al.
patent: 5574096 (1996-11-01), Tanaka et al.
patent: 6033749 (2000-03-01), Hata et al.
patent: 2002/0176955 (2002-11-01), Hayashi et al.
patent: 2004/0096610 (2004-05-01), Ramanathan et al.
patent: 2006/0088707 (2006-04-01), Oosaki et al.
patent: 2007/0122557 (2007-05-01), Oosaki et al.

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