Self-cross linking powder paint based on epoxy resins and the use thereof
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United States of America Patent
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Jun 15, 2004
Grant Date -
Aug 14, 2003
app pub date -
Dec 16, 2002
filing date -
Jun 15, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A self-crosslinking powder coating material, comprising (A) up to 50% by weight, based on the powder coating material, of a mixture of (A1) at least one epoxy resin with an epoxy equivalent weight (EEW) <800 g, (A2) at least one epoxy resin with an epoxy equivalent weight (EEW) of from 800 to 1500 g, and (A3) at least one epoxy resin with an epoxy equivalent weight (EEW) >1500 g, and (B) at least 50% by weight, based on the powder coating material, of at least one filler; and its use to coat shaped parts, especially engine blocks, which after coating are shaped by machining.
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