Amino silicone polymer, silicone emulsion comprising same, and method for manufacturing same

1 . An amino silicone polymer prepared from an amino silicone polymer composition, the amino silicone polymer composition comprising hydroxyl-terminated polysiloxane, amino silane, and alkyl alkoxy silane represented by the following Chemical Formula 1:

in which R 1 and R 2 are each independently C 1-10 alkyl groups, and n is 2 to 3,

wherein the hydroxyl-terminated polysiloxane includes a hydroxyl group in 0.1 to 5 wt % based on the total weight of the hydroxyl-terminated polysiloxane, and

the amino silicone polymer includes 100 to 1,000 ppm of octamethylcyclotetrasiloxane and 10 to 900 ppm of decamethylcyclopentasiloxane with respect to the total weight of the polymer.

2 . The amino silicone polymer composition of claim 1 , wherein the composition comprises 100 parts by weight of the hydroxyl-terminated polysiloxane, 1 to 10 parts by weight of the amino silane, and 0.1 to 1 part by weight of the alkyl alkoxy silane.

3 . The amino silicone polymer composition of claim 1 , wherein the hydroxyl-terminated polysiloxane has a viscosity at 25° C. of 1 to 5,000 cP, a weight average molecular weight of 100 to 50,000 g/mol, and a polymerization degree of 1 to 1,000.

4 . A silicone emulsion comprising an amino silicone polymer prepared from the amino silicone polymer composition of claim 1 , a solvent, a non-ionic emulsifier, and a cationic emulsifier.

5 . The silicone emulsion of claim 4 , wherein the silicone emulsion comprises 25 to 40 parts by weight of the amino silicone polymer, 50 to 70 parts by weight of the solvent, 1 to 10 parts by weight of the non-ionic emulsifier, and 1 to 10 parts by weight of the cationic emulsifier.

6 . The amino silicone polymer composition of claim 1 , wherein the composition further comprises a first additive comprising at least one selected from a group of a catalyst and a neutralizing agent.

7 . The amino silicone polymer composition of claim 6 , wherein the first additive is present in the content of 0.1 to 5 parts by weight with respect to 100 parts by weight of the hydroxyl-terminated polysiloxane.

8 . The amino silicone polymer composition of claim 6 , wherein the catalyst comprises at least one selected from the group consisting of sodium hydroxide, potassium hydroxide, and calcium hydroxide.

9 . The amino silicone polymer composition of claim 8 , wherein the catalyst is present in the composition in the content of 0.1 to 4 parts by weight with respect to 100 parts by weight of the hydroxyl-terminated polysiloxane.

10 . The amino silicone polymer composition of claim 6 , wherein the neutralizing agent comprises at least one selected from the group consisting of citric acid, acetic acid, lactic acid, formic acid, nitric acid, glycolic acid, and phosphoric acid.

11 . The amino silicone polymer composition of claim 10 , wherein the neutralizing agent is present in the content of 0.01 to 3 parts by weight of with respect to 100 parts by weight of the hydroxyl-terminated polysiloxane.

12 . The amino silicone polymer of claim 1 , wherein the silicone polymer does not include methanol.

13 . The amino silicone polymer of claim 1 , wherein the silicone polymer has a viscosity at 25° C. of 10,000 to 90,000 cP.

14 . The amino silicone polymer of claim 1 , wherein the silicone polymer has a weight average molecular weight of 50,000 to 200,000 g/mol.

15 . The silicone emulsion of claim 4 , wherein the silicone emulsion has a viscosity at 25° C. of 1 to 500 cP.

16 . The amino silicone polymer composition of claim 6 , wherein the neutralizing agent comprises organic acid.