Coating processes – With pretreatment of the base – Organic base
Patent
1976-01-09
1978-09-05
Smith, Ronald H.
Coating processes
With pretreatment of the base
Organic base
264343, 427244, 427331, B05D 300, B05D 312
Patent
active
041121511
ABSTRACT:
This invention relates to a method of forming pressure expressible composition impregnated, microporous resilient articles. In the process of the invention, a microporous article formed from a solvent swellable resilient organic polymeric material is contacted with a mixture of a pressure expressible composition and a solvent swelling agent, capable of swelling the resilient polymer, and having a volatility greater than that of the pressure expressible compositions, to swell the article and enlarge the micropores. The volatile swelling agent is then removed from the article to provide a microporous article containing the pressure expressible composition within the micropores.
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Childs Sadie L.
Monarch Marking Systems, Inc.
Smith Ronald H.
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