Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1987-01-14
1988-03-01
Page, Thurman K.
Coating processes
With post-treatment of coating or coating material
Heating or drying
4273899, 4273931, 4273935, 427412, B05D 302
Patent
active
047285400
ABSTRACT:
A process is described for introducing into already manufactured and fabricated vinyl products special function additives which impart to the vinyl product some useful property which it did not possess before as, for example, UV resistance, mildew resistance, etc. The process involves the use of vinyl plasticizers in which the additives are readily soluble to convey the additives into already manufactured and fabricated vinyl plastic products. Special function additives include UV stabilizers, mildewcides, fragrances, fungicides, antifogging agents, biocides, disinfectants, lubricants, antioxidants, water repellents, thickeners, surfactants, bacteriacides, vinyl heat stabilizers, antistats, release agents, anti blocking agents and the like. The process involves spreading a uniform application of a solution or water emulsion of a solution of a special function additive in a liquid plasticizer on the vinyl product surface at ambient temperature. Then the product is allowed to remain undisturbed for up to thirty days at ambient temperature when the plasticizer solution will have been absorbed into the interior of the vinyl product as evidenced by the surface of the vinyl feeling non tacky and dry to the touch.
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Gasman Robert C.
Page Thurman K.
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