Production of elastomeric films
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United States of America Patent
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Dec 27, 2016
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Jun 15, 2015
filing date -
Feb 5, 2009
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Abstract
A method for producing multi-layered elastomeric film or article, the method comprising: (i) dipping a mold into a composition for producing an elastomeric film having a total solids content of between 5%-40% to produce a layer of elastomeric film composition on the mold, (ii) partially drying the layer of elastomeric film composition on the mold to reduce the total water content of the elastomeric film composition to a level of not less than 22%, (iii) dipping the mold coated with the partially dried layer of elastomeric film composition into a composition for producing an elastomeric film having a total solids content of between 5%-40% to produce a further layer of elastomeric film composition on the mold, (iv) optionally repeating the partial drying step (ii) and the further dipping step (iii), and (v) drying and curing the layers of elastomeric film composition on the mold.
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