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Aerosol hair spray compositions comprising combinations of silicone-grafted copolymers
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Technology of a graft copolymer, polysiloxane, applied in the field of aerosol hairspray composition
Inactive Publication Date: 2002-05-15
THE PROCTER & GAMBLE COMPANY
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Abstract
Description
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But in this 5618524 patent, do not specifically propose the specific ratio of the monomers in the polysiloxane graft polymer as described in the present invention, therefore, the hairspray composition that proposes wherein does not necessarily provide the composition of the present invention to have The same combination of good hold and good hair feel
Method used
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preparation example Construction
[0133] 1. Preparation of sample / standard dilution solvent
[0134] Transfer 100μl of toluene to a 1000ml volumetric flask. Add tetrahydrofuran to the measuring flask and mix thoroughly. The resulting solution contained 100 ppm toluene in THF (as a residence time marker).
[0135] 2. Preparation of polystyrene calibration standard solution
[0136] a) Using the table below, add the listed amounts of each TOSO polystyrene molecular weight standard sample to a separate 8 pound vial fitted with a Teflon-lined screw cap.
[0137] TOSO standard sample dosage
[0138] A-2500 0.0200g
[0139] A-5000 0.0200g
[0140] F-2 0.0200g
[0141] F-4 0.0200g
[0142] F-10 0.0100g
[0143] F-20 0.0100g
[0144] F-40 0.0100g
[0145] F-80 0.0100g
[0146] F-128 0.0050g
[0147] F-288 0.0050g
[0148] F-450 0.0050g
[0149] F-700 0.0050g
[0150] b) Add exactly 20.0 ml of sample / standard dilution solvent to each vial using a pipette. Each vial was sealed with a cap, but not shaken....
Embodiment
[0180] The following are non-limiting examples of aerosol hairspray compositions of the present invention. These examples further describe and demonstrate embodiments within the scope of the present invention. The given examples are only for the purpose of illustration and do not constitute any limitation to the present invention. Various changes can be made to it without departing from the spirit and scope of the present invention, which are recognized by those skilled in the art. Unless otherwise specified, all concentrations listed in the examples are percent by weight.
[0181] A. First Polysiloxane Graft Copolymer Example
[0182] (The proportion of monomers is expressed as a weight percent of the reactants. The molecular weight of the polysiloxane-containing monomer S1 is about 10,000) Copolymer #1 60 / 20 / 20 tert-butyl acrylate / acrylic acid / silicone-containing monomer Body S1
[0183] (135,000 weight average molecular weight copolymer) Copolymer #2 ...
Embodiment I
[0197] Component % (weight)
[0198] Ethanol Approx. to 100%
[0199] Isopar C( * ) 22.7%
[0200] Copolymer #1 5%
[0201] Copolymer #5 1%
[0202] KOH (45% active ingredient) 1.4
[0203] Diisobutyl Adipate 0.5%
[0204] Fragrance 0.4%
[0205] Panthenol 0.04
[0206] Dimethyl ether 35%
[0207] 80% neutralized by KOH
[0208] Ratio 5:1
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Abstract
Disclosed are aerosol hair spray compositions which comprise a first and a second silicone-grafted copolymer, wherein the copolymers exhibit a dichotomous viscosity behaviour which results in superior hold and excellent hair feel benefits, and a method of styling hair comprising applying to the hair an effective amount of the above composition. The aerosol hair spray compositions comprise: (A) from about 0.1 % to about 10 % by weight of said composition, of a first silicone-grafted copolymer, (B) from about 0.1 % to about 5 % by weight of said composition, of a second silicone-grafted copolymer, (C) a neutralizng system, (D) from about 20 % to about 50 % by weight of said composition, of a propellant; and (E) the balance comprising a carrier.
Description
[0001] Field [0002] The present invention relates to an aerosol-type hair spray composition (hair spray composition), which contains a first and a second polysiloxane graft copolymer having a defined molecular weight and respectively present in a specific ratio, wherein the copolymer can make the hair spray It has dichotomous viscosity behavior. Specifically, the hairspray has a certain viscosity characteristic when dispensed from the bottle and another viscosity characteristic when it is present on the hair. This dichotomous property provides excellent hold and great hair feel benefits when the hairspray composition is applied. Background technique [0003] Hair styling compositions are well known in the art and are commercially available in a variety of forms including, for example, mousses, gels, lotions and hairsprays. Many of these compositions contain hair styling resins to provide a temporary set or "fix" effect to the h...
Claims
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Application Information
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