Multi-layer polyisophthalate and polyterephthalate articles and

Details Multi-layer polyisophthalate and polyterephthalate articles and Multi-layer polyisophthalate and polyterephthalate articles and

1984-09-17

1986-08-05

Bleutge, John C.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264503, 264512, 264515, 26433121, 525444, B29C 4516, B29C 4906

Patent

active

046042571

ABSTRACT:
A multi-layer polyester article, and particularly a beverage bottle having good oxygen and carbon dioxide permeability resistance. At least one layer of the article is made from polyisophthalate and copolymers thereof. The multi-layer articles find particular use as packaging materials, films, and molded containers such as for alcoholic beverages. Various colorants can be added to either one or more of the layers to impart a desired color to the article.

REFERENCES:
patent: 3651172 (1972-03-01), Barkey
patent: 4110315 (1978-08-01), Go
patent: 4234708 (1980-11-01), Edelman
patent: 4255516 (1981-03-01), Katoh
patent: 4362775 (1982-12-01), Yabe
patent: 4364896 (1982-12-01), Kontz
patent: 4373002 (1983-02-01), Petersen-Hoj
patent: 4403090 (1983-09-01), Smith

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