Coating composition with color and/or optical components and a tampon applicator coated therewith
View Patent ↗The present invention provides coating composition according to the present invention. The coating composition is a low extractables composition that imparts properties, such as, for example, low friction, high gloss, color and/or pearlescence to a substrate coated with the composition of the present invention. In a preferred embodiment, a tampon applicator includes the coating composition of the present invention.
1. A multi-layered cardboard tampon applicator comprising a barrel and a plunger, wherein said barrel and said plunger each have a coating comprising:
one or more color components present in an amount about 0.001 wt. % to about 5 wt. %, based on the total weight of the coating, wherein said one or more color components are one or more pigments selected from the group consisting of titanium dioxide, white titanium dioxide, iron oxide, red iron oxide, orange iron oxide, white zinc sulfide, aluminum powder, bronze powder, Red Lake C, phthalocyanine green, phthalocyanine blue, phthalocyanine red, diarylide yellow, quinacridone red, rhodamine red, lithol rubine red, napthol red, neozapon red, carbizole violet, carbon black, and any combinations thereof; and
one or more optical components present in an amount about 1 wt. % to about 70 wt. %, based on the total weight of the coating, wherein said one or more optical components are selected from the group consisting of mica, TiO 2 -coated mica, iron oxide coated mica, bismuth oxychloride, and any combination thereof;
wherein said barrel and said plunger each have at least an inner ply and an outer ply of paper.
2. The tampon applicator of claim 1 , wherein said coating composition further comprises a base component selected from the group consisting of resin, wax, and any combinations thereof.
3. The tampon applicator of claim 2 , wherein said base component is resin selected from the group consisting of epoxy, acrylic, urethane, polyester, silicone, UV curable epoxy, UV curable acrylic, electron beam curable epoxy, electron beam curable acrylic, UV curable silicone, electron beam curable silicone, thermally curable silicone, modified resins such as styrenated acrylic, epoxy acrylate, polyester acrylate, polyester, vinyl ester, vinyl ether, vinyl chloride, polyvinyl alcohol, polyvinyl acetate, and any combinations thereof.
4. The tampon applicator of claim 3 , wherein said base component is an UV curable epoxy.
5. The tampon applicator of claim 1 , wherein said one or more optical components are natural or synthetic in origin.
6. The tampon applicator of claim 1 , wherein said one or more optical components are present in said coating composition in an amount about 2 wt. % to about 25 wt. %, based on the total weight of said coating composition.
7. The tampon applicator of claim 1 , wherein said one or more optical components are present in said coating composition in an amount about 5 wt. % to about 15 wt. %, based on the total weight of said coating composition.
8. The tampon applicator of claim 1 , wherein said one or more optical components is bismuth oxychloride.
9. The tampon applicator of claim 8 , wherein said bismuth oxychloride has a particle size of about 8 to about 11 microns and is present in said coating composition in an amount about 5 wt. % to about 50 wt. %.
10. The tampon applicator of claim 1 , wherein said one or more optical components is mica, TiO 2 -coated mica, iron-oxide coated mica, and any combinations thereof.
11. The tampon applicator of claim 1 , wherein said one or more optical components is TiO 2 -coated mica.
12. The tampon applicator of claim 11 , wherein said TiO 2 -coated mica has a particle size of about 2 microns to about 150 microns and is present in said coating composition in an amount about 1 wt. % to about 60 wt %, based on the total weight of said composition.
13. The tampon applicator of claim 1 , wherein said one or more color components are present in an amount 0.01 wt. % to about 3 wt. %, based on the total weight of the composition.
14. The tampon applicator of claim 1 , wherein said one or more color components are present in an amount about 0.5 wt. % to about 1 wt. %, based on the total weight of the composition.
15. The tampon applicator of claim 1 , wherein said coating composition is applied to said tampon applicator in a thickness of about 2 microns to about 50 microns.
16. The tampon applicator of claim 1 , wherein said coating composition is applied to said tampon applicator in a thickness of about 3 microns to about 6 microns.
17. The tampon applicator of claim 1 , wherein said tampon applicator with said coating composition has a kinetic coefficient of friction between about 0.1 to about 0.2.
18. The tampon applicator of claim 1 , wherein said tampon applicator with said coating composition has an extractables less than 0.5 mg/in 2 .
19. The tampon applicator of claim 1 , wherein said tampon applicator with said coating composition has a film modulus greater than about 200,000 psi.
20. The tampon applicator of claim 1 , wherein said tampon applicator with said coating composition has a gloss at a 60° angle between about 30 to about 95.
21. The tampon applicator of claim 1 , wherein said tampon applicator with said coating composition has a gloss at a 60° angle between about 30 to about 60.
22. A multi-layered cardboard tampon applicator comprising a barrel and a plunger, wherein said barrel and said plunger each have a coating comprising:
a wax base component;
one or more color components present in said coating composition in an amount about 0.001 wt. % to about 5 wt. %, based on the total weight of the composition, and selected from the group consisting of titanium dioxide, white titanium dioxide, iron oxide, red iron oxide, orange iron oxide, white zinc sulfide, aluminum powder, bronze powder, Red Lake C, phthalocyanine green, phthalocyanine blue, phthalocyanine red, diarylide yellow, quinacridone red, rhodamine red, lithol rubine red, napthol red, neozapon red, carbizole violet, carbon black, and any combinations thereof; and
one or more optical components present in said coating composition in an amount about 5 wt. % to about 50 wt. %, based on the total weight of the composition, and selected from the group consisting of mica, TiO 2 -coated mica, iron oxide coated mica, bismuth oxychloride, and any combinations thereof, wherein said barrel and said plunger each have at least an inner ply and an outer ply of paper.
23. The tampon applicator of claim 22 , wherein said coating composition is applied to said tampon applicator in a thickness of about 2 microns to about 50 microns.
24. The tampon applicator of claim 1 , wherein said applicator is a spiral wound or a convolute applicator.
25. The tampon applicator of claim 22 , wherein said applicator is a spiral wound or a convolute applicator.
26. The tampon applicator of claim 1 , further comprising a UV curable epoxy resin.
27. The tampon applicator of claim 26 , wherein said one or more color components are a pigment in an amount less than about 1 wt. % based on the total weight of the coating.
28. The tampon applicator of claim 22 , wherein said one or more color components are present in said coating composition in an amount about 0.01 wt. % to about 3 wt. %, based on the total weight of the composition.
29. The tampon applicator of claim 22 , wherein said one or more color components are present in said coating composition in an amount about 0.5 wt. % to about 1 wt. %, based on the total weight of the composition.