Siloxane polymers and copolymers as barrier coatings and method of producing barrier coating properties therewith
US5077135A · kind A · utility
12Cited by
2References
17Claims
0Family size
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Key dates
| Filing date | Apr 12, 1989 |
| Grant date | Dec 31, 1991 |
| Priority date | — |
| Expiry date | Apr 12, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31667
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of imbuing polymer films as of polyethylene and polypropylene with gas, aroma, fragrance, flavor, grease and oil impermeable 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.