Cosmetic films

1. A cosmetic film, comprising butylphthalimide isopropylphthalimide; one or more primary film forming polymers, a suspending agent, and one or more secondary film forming resins.

2. The cosmetic film of claim 1 , further comprising a modifying plasticizer.

3. The cosmetic film of claim 1 wherein the secondary film-forming polymers are selected from the group consisting of polyurethanes, polyacryls, polymethacryls, cellulosic polymers, styrene-acryl copolymers, polystyrene-polyacryl mixtures, polysiloxanes, polyesters, polyethers, cellulose acetate propionate, urethane-acryl copolymers, siloxane-urethane copolymers, vinyl acetate polymers, and mixtures thereof.

4. The cosmetic film of claim 1 wherein the secondary film forming polymers are selected from a group consisting of acrylic-silicone resin, polyester resin, and polyamide resin.

5. The cosmetic film of claim 2 wherein the modifying plasticizer is selected from the group consisting of N-ethyl-o/p-Toluenesulfonamide, di-(2-ethylhexyl)adipate, diisobutyladipate, glyceryl tribenzoate, pentaerytritrol tetrabenzoate, diisopropyl adipate, trimethylolethane tribenzoate, pentaerythyl tetrabenzoate, glyceryl trioctanoate, dipropylene glycol dibenzoate, benzyl laurate myristate/palmitate, 2,2,4-trimethyl-1,3-pentanediol diisobutyrate, sucrose acetate isobutyrate, butyl benzyl phthalate, propylene glycol dibenzoate, dipropylene glycol dibenzoate, propylene glycol monobenzoate, 2,2,4-trimethyl-1,3-pentanediol dibenzoate, 2-ethylhexyl benzoate, diisopropyl adipate, N-alkyl toluene sulfonamide, benzyl benzoate, glyceryl triacetate, and acetyl tributyl citrate.

6. The cosmetic film of claim 1 , further comprising one or more solvents.

7. The cosmetic film of claim 6 wherein the solvent is selected from a group consisting of ethyl acetate, methyl acetate, n-butyl acetate, iso-butyl acetate, propyl acetate, iso-propyl acetate, amyl acetate, ethanol, isopropanol, n-amyl alcohol, n-butyl alcohol, iso-butanol, cellosolve, butyl cellosolve, ethyl cellosolve, n-butanol, xylene, aromatic ethers, ketones, methyl ethyl ketone, alkanes, cyclopentane, hexane, heptane, cyclohexane, cyclic ethers, phenylated solvents, chlorinated hydrocarbons, and toluene.

8. The nail enamel composition of claim 1 , wherein the suspending agent is selected from the group consisting of stearalkonium bentonite, stearalkonium hectoriet, montmorillonite clays, treated and untreated silica.

9. A colored nail enamel, consisting essentially of butylphthalimide isopropylphthalimide in a concentration of about 1 to 10 percent by weight; ethyl acetate in a concentration of about 37 to 39 percent by weight; butyl acetate in a concentration of about 19 to 26 percent by weight; nitrocellulose in a concentration of about 11 to 14 percent by weight; isopropyl alcohol in a concentration of about 5 to 6 percent by weight; optionally, polyester resin in a concentration of about 12 percent by weight; optionally, tosylamide/epoxy resin in a concentration of about 8 to 10 percent by weight; stearalkonium hectorite as a suspension agent in a concentration of about 0.5 to 2 percent by weight; optionally, acrylic copolymer in a concentration of about 1.5 percent by weight; and coloring agents in a concentration effective to produce color.

10. A colored nail enamel, comprising: ethyl acetate; butyl acetate; nitrocellulose; isopropyl alcohol; tosylamide/epoxy resin; butylphthalimide isopropylphthalimide in a concentration of about 1 to about 10 percent by weight; one or more suspending agents, and coloring agents.

11. A method for making a cosmetic film and that has a hardness, adhesion, flexibility, gloss and long shelf life that prevent cracking for at least about 7 days after application to a nail, comprising:

providing one or more primary film forming polymers;

providing one or more secondary film forming resins;

providing butylphthalimide isopropylphthalimide;

providing one or more suspending agents; and blending the primary film forming polymer, secondary film forming resin and butylphthalimide isopropylphthalimide in a weight percent concentration of about 1 to 10 weight percent to make a cosmetic film having a hardness, adhesion, flexibility, gloss and long shelf life.

12. The method of claim 11 , further comprising blending the butylphthalimide isopropylphthalimide with another plasticizer.

13. The method of claim 11 , further comprising adding color agents to the cosmetic film.

14. A colored nail enamel, comprising:

An acetate;

Nitrocellulose;

butylphthalimide isopropylphthalimide;

tosylamide/epoxy resin;

stearalkonium hectorite; and

coloring agents.

15. The colored nail enamel of claim 14 wherein the butylphthalimide isopropylphthalimide concentration is within a range of about 1 and 10 percent by weight.