Process for producing polymer powder

Details Process for producing polymer powder Process for producing polymer powder

1991-03-22

1993-09-14

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528310, 528335, 264 11, 264 12, 264 13, C08G 6946

Patent

active

052449840

ABSTRACT:
A polymer powder is produced by separately melting two or more of oligomers and monomers which are reactive with each other, spraying a mixture of the oligomers and the monomers, while continuously mixing them with each other, the mixture being solid at a normal temperature, having a melt viscosity of 1,000 cps or below at 300 degree C., then cooling the sprayed mixture to obtain a powder thereof, and solid phase-polymerizing it to obtain the polymer powder. It is useful for powder coating.

REFERENCES:
patent: 5135991 (1992-08-01), Suzuki

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