Siloxane polymers and copolymers as barrier, coatings and method

Details Siloxane polymers and copolymers as barrier, coatings and method Siloxane polymers and copolymers as barrier, coatings and method

1990-07-24

1992-03-17

Lusignan, Michael

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427387, 4273934, 4273935, 428339, 428447, 428451, B05D 306

Patent

active

050967380

ABSTRACT:
A method of imubing polymer films as of polyethylene and polypropylene with gas, aroma, fragrance, flavor, grease and oil impermable surface characteristics involving coating the film with appropriate silane compounds and cross-linking the same while providing physical adsorption adherence to the film, and in sufficient coating micron thickness to produce gas and related barrier characteristics; with chemical grafting, including by eb techniques, further providing improved bonding. Preferred barrier-coated polymer films with reduced haze and clarity are formed by such method. The method is also useful to increase the barrier properties of organo-polymer films that already possess initial barrier characteristics.

REFERENCES:
patent: 4532185 (1985-07-01), Balchunis et al.
patent: 4803126 (1989-02-01), Wyman
Plueddemann, Edwin P., "Silane Coupling Agents", 1982, pp. 207-232.
"Guide to Dow Corning Silane Coupling Agents", 1988, p. 21.
Watanabe, H., "The Use of High Barrier Packaging Films for Extending Shelf Life of Delicacies: Retortable and Microwaveable", Future-Pax 1988, Sixth International Ryder Conference on Packaging Innovations, Sep. 14-16, 1988, pp. 431-451.

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