CA2201878C - Procede permettant de communiquer a des poudres une charge electrostatique aux fins d'applications de poudrage electrostatique - Google Patents
Procede permettant de communiquer a des poudres une charge electrostatique aux fins d'applications de poudrage electrostatique Download PDFInfo
- Publication number
- CA2201878C CA2201878C CA 2201878 CA2201878A CA2201878C CA 2201878 C CA2201878 C CA 2201878C CA 2201878 CA2201878 CA 2201878 CA 2201878 A CA2201878 A CA 2201878A CA 2201878 C CA2201878 C CA 2201878C
- Authority
- CA
- Canada
- Prior art keywords
- powder
- powders
- charge
- charging
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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- BULVZWIRKLYCBC-UHFFFAOYSA-N phorate Chemical compound CCOP(=S)(OCC)SCSCC BULVZWIRKLYCBC-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- -1 polyethylene glycol Chemical compound 0.000 description 1
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- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
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Landscapes
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Electrostatic Spraying Apparatus (AREA)
Abstract
Procédé permettant d'appliquer une charge électrostatique à une cmposition de poudre résineuse, pour l'application électrostatique d'un revêtement sur des objets solides, et procédé d'application d'un tel revêtement. Cette poudre résineuse comprend: i) une résine thermodurcissable ou thermoplastique et ii) un agent modifiant les propriétés électrostatiques incorporé dans la résine ou appliqué sur sa surface. Le procédé d'application de la poudre consiste à charger les particules de poudre par des moyens d'induction/conduction électrique (28), et à pulvériser la poudre chargée par un ajutage (24) sur un substrat solide (26) mis à la terre, auquel elle adhère avant qu'une fusion thermique ne soit effectuée pour produire un fini permanent.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/320,892 | 1994-10-05 | ||
| US08/320,892 US5585426A (en) | 1994-10-05 | 1994-10-05 | Process for imparting an electrostatic charge to powders to render them useful for coating application |
| PCT/US1995/013095 WO1996011068A1 (fr) | 1994-10-05 | 1995-10-03 | Procede visant a ameliorer les charges electrostatiques appliquees a des poudres et utilisation de ces poudres pour des applications relatives aux revetements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2201878A1 CA2201878A1 (fr) | 1996-04-18 |
| CA2201878C true CA2201878C (fr) | 2000-12-19 |
Family
ID=29422762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2201878 Expired - Fee Related CA2201878C (fr) | 1994-10-05 | 1995-10-03 | Procede permettant de communiquer a des poudres une charge electrostatique aux fins d'applications de poudrage electrostatique |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2201878C (fr) |
-
1995
- 1995-10-03 CA CA 2201878 patent/CA2201878C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2201878A1 (fr) | 1996-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |