Hair styling composition

• US 20090252689A1
• Filed: 03/31/2009
• Published: 10/08/2009
• Est. Priority Date: 04/03/2008
• Status: Active Grant

• Current Assignee: Rohm and Haas Company (Dow, Inc.)
• Original Assignee: Rohm and Haas Company (Dow, Inc.)
• Inventors: Wang, Miao, Falcone, Beth Ann, Hallden-Abberton, Michael Paul, Collin, Jennifer Reichl, Zeng, Fanwen
• Granted Patent: US 8,241,616 B2
• Time in Patent Office: Days
• US Class Current: 424/47
• CPC Class Codes: A61K 8/8152 Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
• CPC Class Codes: A61Q 5/06 Preparations for styling the hair, e.g. by temporary shaping or colouring
• CPC Class Codes: C08F 2/26 anionic
• CPC Class Codes: C08F 2/38 Polymerisation using regulators, e.g. chain terminating agents , e.g. telomerisation
• CPC Class Codes: C08F 220/10 Esters
• CPC Class Codes: C08F 220/1804 C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate

Abstract

There is provided a hair styling composition comprising

• • (a) one or more fully soluble polymer,
  • (b) solvent-propellant mixture or solvent mixture, and optional other ingredients.

Also provided is a method of making polymer.

Claims

1. A hair styling composition comprising

(a) one or more fully soluble polymer comprising, as polymerized units,

(i) 30% to 75% by weight, based on the weight of said polymer, one or more monomer that has refractive index of 1.490 or higher,

(ii) 1% to 30% by weight, based on the weight of said polymer, one or more acid-functional monomer, and

(iii) 5% to 69% by weight, based on the weight of said polymer, one or more additional monomer,

(b) solvent-propellant mixture comprising

(i) 0% to 75% by weight, based on the weight of said solvent-propellant mixture, propellant,

(ii) 5% to 95% by weight, based on the weight of said solvent-propellant mixture, volatile organic solvent, and

(iii) 0% to 50% by weight, based on the weight of said solvent-propellant mixture, water,

(c) neutralizer, wherein the mole ratio of said neutralizer to the acid-functional groups on said polymer (a) is from 0:

1 to 1.1;

1, and

(d) one or more adjuvants, wherein the ratio of the total weight of all adjuvants to the weight of said polymer (a) is from 0;

1 to 1.4;

1,

wherein the amount of said polymer (a) is 1% to 10% by weight based on the sum of the weights of said polymer (a) and said solvent-propellant mixture (b), wherein the amount of said solvent-propellant mixture (b) is 90% to 99% by weight based on the sum of the weights of said polymer (a) and said solvent-propellant mixture (b).

2. The composition of claim 1, wherein said monomer (i) comprises one or more vinyl aromatic monomer.

3. The composition of claim 1, wherein said monomer (iii) comprises one or more hydroxyalkyl (meth)acrylate.

4. The composition of claim 1, wherein said monomer (iii) comprises 0% to 5% hydroxyalkyl (meth)acrylate, and wherein the amount of said monomer (ii) is 20% or more, by weight based on the weight of said polymer.

6. A method for styling hair comprising the steps of placing said hair in a desired configuration and applying the composition of claim 1 to said hair.

8. The process of claim 6, wherein said chain transfer agent comprises one or more alkyl mercaptan.

9. The process of claim 6, wherein said chain transfer agent comprises t-dodecyl mercaptan.

10. The process of claim 6, wherein the amount of said chain transfer agent is 0.5 to 20 millimoles per 100 grams of said monomer mixture.

5. A hair styling composition comprising

(AA) one or more fully soluble polymer comprising, as polymerized units,

(i) 30% to 75% by weight, based on the weight of said polymer, one or more monomer that has refractive index of 1.490 or higher,

(ii) 1% to 30% by weight, based on the weight of said polymer, one or more acid-functional monomer, and

(iii) 5% to 69% by weight, based on the weight of said polymer, one or more additional monomer,

(BB) solvent mixture comprising

(i) 0% to 50% by weight, based on the weight of said solvent mixture, volatile organic solvent, and

(ii) 50% to 100% by weight, based on the weight of said solvent mixture, water,

(c) neutralizer, wherein the mole ratio of said neutralizer to the acid-functional groups on said polymer (AA) is from 0:

1 to 1.1;

1, and

(d) one or more adjuvants, wherein the ratio of the total weight of all adjuvants to the weight of said polymer (AA) is from 0;

1 to 1.4;

1,

wherein the amount of said polymer (AA) is 1% to 30% by weight based on the sum of the weights of said polymer (AA) and said solvent mixture (BB), wherein the amount of said solvent mixture (BB) is 80% to 99% by weight based on the sum of the weights of said polymer (AA) and said solvent mixture (BB).

7. A method for making a polymer comprising emulsion polymerization of one or more monomer mixture, wherein said monomer mixture comprises

(i) 30% to 75% by weight, based on the weight of said monomer mixture, one or more monomer that has refractive index of 1.490 or higher,

(ii) 1% to 30% by weight, based on the weight of said monomer mixture, one or more acid-functional monomer, and

(iii) 5% to 69% by weight, based on the weight of said monomer mixture, one or more additional monomer,

wherein said emulsion polymerization is conducted partially or entirely in the presence of one or more nonionic surfactant and one or more chain transfer agent.