Dip, spray, and flow coating process for forming coated articles
a coating process and coating technology, applied in the direction of liquid surface applicators, coatings, transportation and packaging, etc., can solve the problems of surface defects of finished articles repairing effect, and achieve good gas-barrier characteristics
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[0041] Methods and apparatus for coating articles comprising one or more layers are described herein. These layers may comprise thermoplastic materials with good gas-barrier characteristics as well as layers or additives that provide UV protection, scuff resistance, blush resistance, chemical resistance, and / or active properties for O2 and / or CO2 scavenging.
[0042] As presently contemplated, one embodiment of a coated article is a preform of the type used for beverage containers. Alternatively, embodiments of the coated articles of the present invention could take the form of jars, tubes, trays, bottles for holding liquid foods, medical products, or other products sensitive to gas exposure. However, for the sake of simplicity, these embodiments will be described herein primarily as articles or preforms.
[0043] Furthermore, the articles described herein may be described specifically in relation to a particular substrate, polyethylene terephthalate (PET), but preferred methods are app...
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