Method of Making Chemically Resistant Moulds and Tools
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United States of America Patent
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Mar 8, 2012
app pub date -
Feb 24, 2010
filing date -
Apr 24, 2009
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Abstract
A method of producing a tool or mould is claimed which comprises (A) application of a seamless modelling paste comprising at least one resin system (a) and at least one hardener system (b) onto a substrate to form a continuous film of curable material (B) curing the seamless modelling paste. The composition used comprises a resin system (a) comprising an epoxy resin (a1) having an average epoxy functionality above 2 and the hardener system (b) comprising an amine compound (b1) having an average amine functionality above 2.
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