Multilayer blow molded container

Details Multilayer blow molded container Multilayer blow molded container

2005-04-26

2005-04-26

Pyon, Harold (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S035700, C428S036600, C428S515000, C428S517000, C428S519000, C428S520000, C525S191000, C525S207000, C525S214000, C525S217000, C525S221000, C525S222000, C525S232000, C525S238000, C525S239000, C525S240000

Reexamination Certificate

active

06884483

ABSTRACT:
Multilayer blow molded containers, which comprise a layer of an ethylene-vinyl alcohol copolymer (A) having an ethylene content of 5 to 60% by mol and a degree of saponification of 85% or more and a layer of a resin composition (B), characterized in that the resin composition (B) comprises 1 to 40% by weight of a thermoplastic resin (b1) having at least one functional group selected from the group consisting of boron-containing groups that are convertible to a boronic acid group in the presence of water and a boronic acid group (hereinafter, referred to as a boron-containing functional group), and 60 to 99% by weight of polypropylene (b2), exhibit excellent gas-barrier properties, have good interlayer adhesion, have excellent thermal stability, and are low in production cost.

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