Epoxy resin powder coating material
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United States of America Patent
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Issued Date -
Feb 17, 2005
app pub date -
Jul 9, 2004
filing date -
Aug 5, 2002
priority date (Note) -
Abandoned
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Abstract
There is provided an epoxy resin powder coating containing an epoxy resin, a curing agent, a curing accelerator and a polyol having a melting point of 40 to 110.degree. C. The polyol is, for example, a polyether polyol or polyester polyol having a weight average molecular weight of 1,000 to 30,000 and is contained in an amount of 10 to 60 parts by weight based on 100 parts by weight of the epoxy resin. A film formed from the epoxy resin powder coating hardly undergoes peeling and the occurrence of cracks even when an article coated with the coating is deformed after the film is cured. The coating is also excellent in heat resistance and cracking resistance.
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