Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-07-15
1995-05-09
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525524, 525525, 525934, 525529, 523400, C08G 5906
Patent
active
054140587
ABSTRACT:
A powder coating composition includes one or more crystalline substances the lowest melting point of which is Mp and one or more non-crystalline substances the lowest glass transition point of which is Tg and is lower than Mp, wherein the crystalline and non-crystalline substances are selected from epoxy resins and curing agents and bonded to each other. The bonding is effected by maintaining a powdery mixture containing the crystalline and non-crystalline substances at a temperature higher than Tg but lower than Mp and the softening point of any of the the non-crystalline substances, optionally under a pressure, and cooling and pulverizing the resulting mixture.
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Kitagawa Katuji
Kubo Masao
Miyake Tetsuo
Ono Kazuya
Osa Mikio
Bleutge John C.
Gulakowski Randy
Somar Corporation
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