Composition for aerosol cans, method of making and using the same
View Patent ↗A volatile organic compound (VOC) free low radiant flux radiation curable composition for aerosol containers including an acrylate-terminated compound component, a thiol monomer or oligomer component, a photoinitiator component, a surface additive component, and an ethanol-based reducer, wherein the composition does not include an acetone component. Moreover, other implementations are directed towards methods of using the aerosol containers to apply the UV Curable Composition.
1. A method of applying a UV curable composition to form clearcoat on an automotive panel, comprising the steps of:
providing an automotive panel;
applying a predetermined color to the automotive panel;
sanding the surface of applied predetermined color of the automotive panel;
cleaning the sanded surface;
applying with an aerosol container a UV curable composition directly to the cleaned surface of the automotive panel with the applied predetermined color, wherein the aerosol container comprising a body having a first end and a second end, wherein second end is a closed end having a concave surface; a dome on the first end of the body, the dome accommodating a valve; a nozzle attached to the valve; a diptube coupled to the valve; a propellant arranged inside the body and a UV curable composition arranged inside the body; and
applying an energy source having a radiant flux measured at the surface of about 400 mW/cm 2 or less to cure the applied UV curable composition into the clearcoat that is substantially optically clear.
2. The method of claim 1 , wherein the energy source has a wavelength in a range from about 360 nm to about 420 nm.
3. The method of claim 1 , wherein the energy source has a radiant flux measured at the surface of the applied UV curable composition of about −40 mW/cm 2 or less.
4. The method of claim 1 , wherein the automotive panel comprises a composite material comprising one or more of a fiberglass fiber, a carbon fiber, synthetic fiber, a metallic fiber, a silicon carbide fiber, a mineral fiber, polymer fiber and a microfiber.
5. The method of claim 1 , wherein the automotive panel comprises a metal material or metallic alloy material.
6. The method of claim 1 , further comprising the steps of:
sanding the surface of the clearcoat;
cleaning the sanded surface with alcohol;
applying with the aerosol container a UV curable composition to the cleaned surface; and
applying an energy source to cure the applied UV curable composition.
7. The method of claim 1 , wherein the energy source comprises an ultraviolet (UV) light emitting diode (LED) light.
8. The method of claim 7 , wherein the energy source has a wavelength in a range from about 360 nm to about 420 nm.
9. The method of claim 7 , wherein the energy source has a radiant flux at the surface of the coating of about 40 mW/cm 2 .
10. A method of applying a volatile organic compound (VOC) free UV curable composition material to a form a clear coat or top coat on an automotive panel, comprising the steps of:
providing an automotive panel;
applying a predetermined color directly to the automotive panel;
roughening a surface of the applied color on the automotive panel;
cleaning the roughened surface of the applied color on the automotive panel with a solvent;
applying with an aerosol container the VOC free UV curable composition directly onto the cleaned surface of the automotive panel, wherein the aerosol container comprising a body having a first end and a second end, wherein second end is a closed end having a concave surface; a dome on the first end of the body, the dome accommodating a valve; a nozzle attached to the valve; a diptube coupled to the valve; a propellant arranged inside the body and the VOC free UV curable composition arranged inside the body; and
applying an energy source having a radiant flux measured at a surface of the applied VOC free UV curable composition of about 400 mW/cm 2 to cure the applied the VOC free UV curable composition into tack-free coating in an oxygen environment to form the clear coat or top coat that is substantially optically clear.
11. The method of claim 10 , wherein the energy source has a radiant flux measured at a surface of the applied VOC free UV curable composition of about 40 mW/cm 2 .
12. The method of claim 10 , wherein the radiant flux is about 300 mW/cm 2 .
13. The method of claim 10 , wherein the VOC free UV curable composition when cured comprises one of a matte finish, a satin sheen, a sheen finish, or a gloss finish.
14. The method of claim 10 , wherein the VOC free UV curable composition comprises composition comprises an acrylate component, a thiol component, a photoinitiator component, a radical inhibitor component, a surface additive component, and a solvent component wherein the solvent component does not include an acetone component.
15. The method of claim 1 , wherein the UV curable composition comprises composition comprises an acrylate component, a thiol component, a photoinitiator component, a radical inhibitor component, a surface additive component, and a solvent component wherein the solvent component does not include an acetone component.
16. The method of claim 10 , wherein the clear coat or top coat has fire retardant properties.
17. A method of applying a volatile organic compound (VOC) free UV curable composition material to a form a clear coat or top coat on an automotive panel with an aerosol container, comprising the steps of:
providing an automotive panel;
applying a predetermined color directly to the automotive panel;
roughening a surface of the applied color on the automotive panel;
cleaning the roughened surface of the applied color on the automotive panel;
applying with the aerosol container the VOC free UV curable composition directly onto the cleaned surface of the automotive panel, wherein the aerosol container comprising a body having a first end and a second end, wherein second end is a closed end having a concave surface; a dome on the first end of the body, the dome accommodating a valve; a nozzle attached to the valve; a diptube coupled to the valve; a propellant arranged inside the body and the VOC free UV curable composition arranged inside the body, wherein the VOC free UV curable composition comprises an acrylate component, a thiol component, a photoinitiator component, a radical inhibitor component, a surface additive component, and a solvent component wherein the solvent component does not include an acetone component; and
applying an energy source to cure the applied the VOC free UV curable composition into tack-free coating in an oxygen environment to form the clear coat or top coat being substantially optical clear, wherein the energy source has a radiant flux measured at a surface of the applied VOC free UV curable composition of about 400 mW/cm 2 or less.
18. The method of claim 17 , wherein the VOC free UV curable composition when cured into the clear coat or top coat comprises one of a matte finish, a satin sheen, a sheen finish, or a gloss finish.
19. The method of claim 17 , wherein the energy source has a wavelength in a range from about 360 nm to about 420 nm.
20. The method of claim 19 , wherein the energy source has a wavelength in a range from about 385 nm to about 405 nm.
21. The method of claim 17 , wherein the energy source does not emit UVB radiation or UVC radiation.