Process for manufacturing thermosetting resin particles for powd

Details Process for manufacturing thermosetting resin particles for powd Process for manufacturing thermosetting resin particles for powd

1997-03-10

1999-01-05

Cain, Edward J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523206, 523207, 523208, 523221, 524501, C08K 900

Patent

active

058563776

ABSTRACT:
A process for manufacturing thermosetting resin particles for powder coating use exhibiting improved anti-blocking property and workability is disclosed. The process include providing a suspension of the thermosetting resin particles in an aqueous medium and an emulsion or dispersion of a vinyl-based polymer having a relatively high Tg, respectively. The thermosetting resin particles are then treated with the emulsion while the resin particles are still suspended in or wetted with the aqueous medium to adhere the vinyl based polymer onto the resin particles forming a shell layer. The resin particles are dried and made to ready to use in the powder coating.

REFERENCES:
patent: 5034432 (1991-07-01), Ueno et al.
patent: 5210113 (1993-05-01), Waters
patent: 5610269 (1997-03-01), Sato et al.

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