Repellent coating composition and coating, method for making and uses thereof
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United States of America Patent
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May 12, 2015
Grant Date -
Nov 28, 2013
app pub date -
Dec 20, 2011
filing date -
Dec 22, 2010
priority date (Note) -
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Abstract
A cross-linkable coating composition comprises (i) one or more silanes having either at least three hydrolysable groups, or at least two hydrolysable groups and at least one organofunctional group capable of forming chemical bonds upon curing, wherein (i.a) the sum of said silanes constitutes at least 20% of the total mass of the coating compositions combined solids and silanes, and (i.b) said silanes are possibly partly or completely hydrolyzed and possibly partly condensed, and (ii) at least one low surface energy additive, wherein (ii.a) said low surface energy additive comprises polydimethylsiloxane chemically bonded to at least one functional group, (ii.b) said functional group is configured for the polydimethylsiloxane moiety to cross-link with said coating composition, (ii.c) said polydimethylsiloxane constitutes 0.01% to 15% of the mass of said cured coating, when said coating composition is cured, and (ii.d) said polydimethylsiloxane moiety has a molecular weight of more than 1600 g/mol.
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International Classification(s)
- F24J:PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED F....
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- B05D:PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MAT....
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- F28F:DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATU....
- C08K:USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUB....
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