发明授权
- 专利标题: Method for the production and repair of multicoat special-effect coatings
- 专利标题(中): 多功能特效涂料的生产和修理方法
-
申请号: US765982申请日: 1997-02-18
-
公开(公告)号: US5820986A公开(公告)日: 1998-10-13
- 发明人: Heinz Topfel , Ewald Bischoff , Harry Libutzki , Jorge Wellmann , Dieter Herbst , Hans-Joachim Streitberger
- 申请人: Heinz Topfel , Ewald Bischoff , Harry Libutzki , Jorge Wellmann , Dieter Herbst , Hans-Joachim Streitberger
- 申请人地址: DEX Muenster-Hiltrup
- 专利权人: BASF Lacke + Farben AG
- 当前专利权人: BASF Lacke + Farben AG
- 当前专利权人地址: DEX Muenster-Hiltrup
- 优先权: DEX4426039.3 19940722
- 主分类号: B05D1/36
- IPC分类号: B05D1/36 ; B05D1/04 ; B05D5/06 ; B05D7/14
摘要:
The invention relates to a method for the production and repair of multicoat special-effect coatings, in which the basecoat is produced exclusively by elecrostatic spraying, a coating material with a specific rheological behavior is employed as the basecoat and the repair is carried out with the aid of a spray application process in which a spray jet is produced which is distinguished in that at most 40% of the coating droplets passing a measurement point which lies at the center of the spray jet and 300 mm away from the nozzle have a diameter which is less than 20 .mu.m and at least 5% of the coating droplets have a diameter which is greater than 60 .mu.m, at least 20% of the coating droplets passing the measurement point have a speed which is less than 6 m/s and at most 30% of the coating droplets have a speed of more than 10 m/s, and the coating droplets have a momentum which is equal to at least 4.times.10.sup.-5 g cm s.sup.-1, the diameter and the speed having been determined with the aid of the Doppler phase anemometry method.
公开/授权文献
信息查询