Packaging laminate with gas and aroma barrier properties

Details Packaging laminate with gas and aroma barrier properties Packaging laminate with gas and aroma barrier properties

2006-10-03

2006-10-03

Pyon, Harold (Department: 1772)

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

C428S034200, C428S036600, C428S036700, C428S446000, C428S447000, C428S448000, C428S451000, C423S325000

Reexamination Certificate

active

07115310

ABSTRACT:
A packaging laminate (10) including a substrate film (15) coated with a carbon containing silicon oxide layer (16, 17) on both surfaces is disclosed herein. A method for producing the laminate (10), and blanks and packages fabricated from the laminate are also disclosed herein. The PECVD process of the present invention strains the substrate film (15) during deposition thereby creating a very thin oxide layer with superior durability, oxygen and aroma barrier properties. The carbon-containing silicon oxide coating (16, 17) has a stoichiometry of SiOxCy in which x is witin the range of 1.5–2.2 and y is within the range of 0.15–0.80. The substrate film (15) may include a core layer (12) of a material selected from the group consisting of paper, paperboard, a foamed core, polyethylene terephtalate, polyamide, polyethylene and polypropylene.

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Machine Translation of JP 10-249976.

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