Mixture of rough and spheroidized resin particles
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United States of America Patent
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Jan 6, 1981
Issued Date -
N/A
app pub date -
Oct 10, 1978
filing date -
Oct 10, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Free flowing resin powder which upon striking a heated article fuses, flows and hardens to provide a protective coating, which powder consists of a mixture of rough and rounded particles, the rough particles having a granular appearance as a result of being pulverized and the rounded particles having smooth, glossy, spheroidized surfaces as a result of being briefly heated to a temperature above the softening point. Preferably each particle of the powder is a blend of thermosetting resin and curing agent.
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