Process for imparting an electrostatic charge to powders to rend

Details Process for imparting an electrostatic charge to powders to rend Process for imparting an electrostatic charge to powders to rend

1994-10-05

1996-12-17

Beck, Shrive

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524377, 524378, 524904, 427475, 427485, C08L 6300

Patent

active

055854265

ABSTRACT:
A process for improving the electrostatic charge developed on a resin powder composition for electrostatic coating of solid objects and the method of application thereof. The resin powder comprises (i) a thermosetting or thermoplastic resin and (ii) an electrostatic property modifying agent (polyalkylene ether, polyalkylene glycol, polyethoxylated stearyl alcohol) incorporated in the resin or on the surface of the resin. The methods of application of the powder involves charging the powder by electrical induction/conduction and spraying the charged powder onto a grounded solid object to which it adheres prior to the thermal fusing to produce a permanent finish.

REFERENCES:
patent: 4013615 (1977-03-01), Ohashi et al.
patent: 4443527 (1984-04-01), Heikens et al.
"Electrographic toner and developer composition", Research Disclosure, Oct. 1972, pp. 57-58.

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