Gel nail polish and its manufacturing and using method

1. A method for using a gel nail polish, consisting essentially of:

(a) providing a gel nail polish which consists essentially of 57.6-69.9% by weight of an aliphatic urethane acrylate, 16.4-19.8% by weight of a polymer acrylate oligomer, 12.7-15.4% by weight of a propoxylated neopentyl glycol diacrylate, and 4.1-4.9% by weight of a trimethylbenzoyl diphenylphosphine oxide;

(b) applying a coat of said gel nail polish on a nail;

(c) drying said gel nail polish layer on said coat of gel nail polish under an exposure of natural sunlight for 1 to 2 minutes to form a gel nail polish layer with no wet sticky colloid on said nail, wherein no base coat and top coat is required before and after said gel nail polish layer is formed on said nail and said gel nail polish layer is able to be kept on said nail for 7 to 14 days; and

(d) directly wiping off said gel nail polish layer from said nail by a rag, a cotton, or a tissue paper with a nail polish remover so as to directly remove said gel nail polish layer from said nail without the needs of using metal foil to wrap around said nail, using cuticle pusher to pop said gel nail polish layer off said nail, and using nail file to remove residue gel from said nail.

2. The method, as recited in claim 1 , wherein a weight ratio of said aliphatic urethane acrylate, said polymer acrylate oligomer, said propoxylated neopentyl glycol diacrylate, and said trimethylbenzoyl diphenylphosphine oxide is 63.5:18:14:4.5.

3. The method, as recited in claim 1 , wherein said gel nail polish is manufactured by the following steps:

dissolving said aliphatic urethane acrylate and said polymer acrylate oligomer in said propoxylated neopentyl glycol diacrylate by stirring and gradually heating up said aliphatic urethane acrylate and said polymer acrylate oligomer into said propoxylated neopentyl glycol diacrylate from room temperature to 60° C. for 40 minutes to form a first mixture;

(ii) dissolving said trimethylbenzoyl diphenylphosphine oxide in said first mixture by mixing and stirring said trimethylbenzoyl diphenylphosphine oxide into said first mixture for 30 minutes to form a second mixture, and cooling down said second mixture from 60° C. back to the room temperature;

(iii) filtering said second mixture to remove residues in said second mixture; and

(iv) adding and mixing a color agent into said second mixture for form said gel nail polish.

4. The method, as recited in claim 2 , wherein said gel nail polish is manufactured by the following steps:

(i) dissolving said aliphatic urethane acrylate and said polymer acrylate oligomer in said propoxylated neopentyl glycol diacrylate by stirring and gradually heating up said aliphatic urethane acrylate and said polymer acrylate oligomer into said propoxylated neopentyl glycol diacrylate from room temperature to 60° C. for 40 minutes to form a first mixture;

(ii) dissolving said trimethylbenzoyl diphenylphosphine oxide in said first mixture by mixing and stirring said trimethylbenzoyl diphenylphosphine oxide into said first mixture for 30 minutes to form a second mixture, and cooling down said second mixture from 60° C. back to the room temperature;

(iii) filtering said second mixture to remove residues in said second mixture; and

(iv) adding and mixing a color agent into said second mixture for form said gel nail polish.

5. A method for using a gel nail polish, consisting essentially the steps of:

(a) providing a gel nail polish which consists essentially of 57.6-69.9% by weight of an aliphatic urethane acrylate, 16.4-19.8% by weight of a polymer acrylate oligomer, 12.7-15.4% by weight of a propoxylated neopentyl glycol diacrylate, and 4.1-4.9% by weight of a trimethylbenzoyl diphenylphosphine oxide;

(b) applying a coat of said gel nail polish on a nail;

(c) drying said gel nail polish layer on said coat of gel nail polish under an exposure of LED light for 30 seconds to less than 60 seconds to form a gel nail polish layer with no wet sticky colloid on said nail, wherein no base coat and top coat is required before and after said gel nail polish layer is formed on said nail and said gel nail polish layer is able to be kept on said nail for 7 to 14 days; and

(d) directly wiping off said gel nail polish layer from said nail by a rag, a cotton or a tissue paper with a nail polish remover so as to directly remove said gel nail polish layer from said nail without the needs of using metal foil to wrap around said nail, using cuticle pusher to pop said gel nail polish layer off said nail, and using nail file to remove residue gel from said nail.

6. The method, as recited in claim 5 , wherein a weight ratio of said aliphatic urethane acrylate, said polymer acrylate oligomer, said propoxylated neopentyl glycol diacrylate, and said trimethylbenzoyl diphenylphosphine oxide is 63.5:18:14:4.5.

7. The method, as recited in claim 5 , wherein said gel nail polish is manufactured by the following steps:

(i) dissolving said aliphatic urethane acrylate and said polymer acrylate oligomer in said propoxylated neopentyl glycol diacrylate by stirring and gradually heating up said aliphatic urethane acrylate and said polymer acrylate oligomer into said propoxylated neopentyl glycol diacrylate from room temperature to 60° C. for 40 minutes to form a first mixture;

(ii) dissolving said trimethylbenzoyl diphenylphosphine oxide in said first mixture by mixing and stirring said trimethylbenzoyl diphenylphosphine oxide into said first mixture for 30 minutes to form a second mixture, and cooling down said second mixture from 60° C. back to the room temperature;

(iii) filtering said second mixture to remove residues in said second mixture; and

(iv) adding and mixing a color agent into said second mixture for form said gel nail polish.

8. The method, as recited in claim 6 , wherein said gel nail polish is manufactured by the following steps:

(i) dissolving said aliphatic urethane acrylate and said polymer acrylate oligomer in said propoxylated neopentyl glycol diacrylate by stirring and gradually heating up said aliphatic urethane acrylate and said polymer acrylate oligomer into said propoxylated neopentyl glycol diacrylate from room temperature to 60° C. for 40 minutes to form a first mixture;

(ii) dissolving said trimethylbenzoyl diphenylphosphine oxide in said first mixture by mixing and stirring said trimethylbenzoyl diphenylphosphine oxide into said first mixture for 30 minutes to form a second mixture, and cooling down said second mixture from 60° C. back to the room temperature;

(iii) filtering said second mixture to remove residues in said second mixture; and

(iv) adding and mixing a color agent into said second mixture for form said gel nail polish.

9. A method for using a gel nail polish, consisting essentially the steps of:

(i) providing a gel nail polish which consists essentially of 57.6-69.9% by weight of an aliphatic urethane acrylate, 16.4-19.8% by weight of a polymer acrylate oligomer, 12.7-15.4% by weight of a propoxylated neopentyl glycol diacrylate, and 4.1-4.9% by weight of a trimethylbenzoyl diphenylphosphine oxide;

(ii) applying a coat of said gel nail polish on a nail;

(iii) drying said gel nail polish layer on said coat of gel nail polish under an exposure of UV light for 2 minutes to form a gel nail polish layer with no wet sticky colloid on said nail, wherein no base coat and top coat is required before and after said gel nail polish layer is formed on said nail and said gel nail polish layer is able to be kept on said nail for 7 to 14 days; and

(iv) directly wiping off said gel nail polish layer from said nail by a rag, a cotton or a tissue paper with a nail polish remover so as to directly remove said gel nail polish layer from said nail without the needs of using metal foil to wrap around said nail, using cuticle pusher to pop said gel nail polish layer off said nail, and using nail file to remove residue gel from said nail.

10. The method, as recited in claim 9 , wherein a weight ratio of said aliphatic urethane acrylate, said polymer acrylate oligomer, said propoxylated neopentyl glycol diacrylate, and said trimethylbenzoyl diphenylphosphine oxide is 63.5:18:14:4.5.

11. The method, as recited in claim 9 , wherein said gel nail polish is manufactured by the following steps:

(i) dissolving said aliphatic urethane acrylate and said polymer acrylate oligomer in said propoxylated neopentyl glycol diacrylate by stirring and gradually heating up said aliphatic urethane acrylate and said polymer acrylate oligomer into said

(ii) propoxylated neopentyl glycol diacrylate from room temperature to 60° C. for 40 minutes to form a first mixture;

(iii) dissolving said trimethylbenzoyl diphenylphosphine oxide in said first mixture by mixing and stirring said trimethylbenzoyl diphenylphosphine oxide into said first mixture for 30 minutes to form a second mixture, and cooling down said second mixture from 60° C. back to the room temperature;

(iv) filtering said second mixture to remove residues in said second mixture; and

(v) adding and mixing a color agent into said second mixture for form said gel nail polish.

12. The method, as recited in claim 10 , wherein said gel nail polish is manufactured by the following steps:

(i) dissolving said aliphatic urethane acrylate and said polymer acrylate oligomer in said propoxylated neopentyl glycol diacrylate by stirring and gradually heating up said aliphatic urethane acrylate and said polymer acrylate oligomer into said propoxylated neopentyl glycol diacrylate from room temperature to 60° C. for 40 minutes to form a first mixture;

(ii) dissolving said trimethylbenzoyl diphenylphosphine oxide in said first mixture by mixing and stirring said trimethylbenzoyl diphenylphosphine oxide into said first mixture for 30 minutes to form a second mixture, and cooling down said second mixture from 60° C. back to the room temperature;

(iii) filtering said second mixture to remove residues in said second mixture; and

(iv) adding and mixing a color agent into said second mixture for form said gel nail polish.