Water-borne basecoat flash process

Details Water-borne basecoat flash process Water-borne basecoat flash process

1998-08-17

2000-03-14

Bennett, Henry

Drying and gas or vapor contact with solids

Material treated by electromagnetic energy

Infrared energy

432121, F26B 334

Patent

active

060355476

ABSTRACT:
A method for flashing an object painted with a water-borne high-solids automotive paint that substantially reduces the frequency of base-coat pop defects. The method subjects the painted objects to a first set of environmental conditions wherein the air temperature, relative humidity and airflow rate are maintained within certain ranges. The painted objects are maintained in these conditions for a period of time which exceeds an empirically derived minimum value. The peak metal temperature of the painted object is then raised to a second temperature range while being subjected to a second relative humidity level and second airflow rate so as to dehydrate the paint film to a predetermined level.

REFERENCES:
patent: 5309650 (1994-05-01), Josefsson et al.
patent: 5456023 (1995-10-01), Farnan
patent: 5588830 (1996-12-01), Josefsson et al.
patent: 5689899 (1997-11-01), Szenker
patent: 5709038 (1998-01-01), Scheufler et al.

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