hair care composition
A technology of composition and water-based composition, which is applied in hair care, cosmetics, cosmetic preparations, etc., and can solve problems such as reduced efficacy and difficult-to-decompose products
Active Publication Date: 2017-07-21
UNILEVER IP HLDG BV
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
However, it has also been found that due to the strength of the network thus formed, it may be difficult to decompose the product during use
This reduces the effectiveness of the shampoo formulation to release and deposit colloidal benefit agents such as silicone oil droplets
Method used
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Embodiment 1
[0143] Synthesis of associative monomers
[0144]
[0145] Under a nitrogen atmosphere the 35P (150 g) was dissolved in 500 ml dry dichloromethane and cooled to 5°C in an ice bath. Triethylamine (18.6 g) was added via syringe, followed by methacryloyl chloride (20.9 g) dropwise over 30 minutes. After the addition was complete, the solution was warmed to room temperature and stirred for 4 weeks. The solution was then filtered to remove the formed precipitate, washed once with saturated sodium bicarbonate solution (200 ml) and once with saturated brine (200 ml). The solution was then passed through a column containing basic alumina, then the product was dried over anhydrous magnesium sulfate, filtered and the solvent was removed in vacuo. The product is referred to as Surfmer D1 in the examples that follow.
[0146] Synthesis of HASE Copolymer
[0147] To a round bottom flask was charged ethyl acrylate (66.8 g), methacrylic acid (37.7 g), maleic anhydride (0.515 g) an...
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An aqueous composition comprising: i) at least 0.5% by weight of the total composition of a cleansing surfactant, ii) at least 0.01% by weight of the total composition of a silicone conditioning agent; iii) at least 0.05% by weight of the following Addition polymerization product of components: a. 0.1 to 5% by weight of a first unsaturated monomer A which is an ethylenically unsaturated diacid of formula (I): HOOC‑CR5=CR6‑COOH or such an ethylenically unsaturated diacid The unsaturated cyclic acid anhydride precursor of bond type unsaturated cis-diacid, the anhydride has formula (II), wherein R5 and R6 are selected from H, C1-C3 alkyl, phenyl, chlorine and bromine respectively; b. 1 to 60% by weight of a second ethylenically unsaturated monomer B selected from acrylic acid, methacrylic acid and combinations thereof, c. 30 to 75% by weight of a (meth)acrylate monomer C selected from C1 to C8 alkyl esters of (meth)acrylic acid and C1 to C8 alkyl esters of methacrylic acid and combinations thereof, d. 1 to 25% by weight of an associative monomer D of the formula III, wherein R1 and R2 are each independently selected from H and C1-3 alkyl; R3 is C2-C4 and mixtures thereof, preferably C2; the average number m of alkoxy units R3O is from 6 to 40; R4 is alkyl or alkylaryl, wherein alkyl The base part is linear or branched; and the total number of carbons is from 6 to 40; e.0 to 1.0% by weight of crosslinking monomer E for introducing branching and controlling molecular weight, the crosslinking monomer comprising poly A functional unit, the multifunctional unit has a plurality of reactive functional groups selected from vinyl, allyl and functional mixtures thereof.
Description
technical field [0001] The present invention relates to an aqueous cleansing composition comprising a silicone conditioning agent. Background technique [0002] Compositions comprising anionic cleansing surfactants are formulated to provide a microstructure of entangled, elongated or rod-like micelles. However, the natural yield stress of such compositions is very low, so if one wishes to include colloidal benefit agents (such as oil emulsions (such as silicone) or microparticles (such as coated mica)) or insoluble anti-dandruff agents, additional anti-dandruff agents are required. suspending agent. Typically, suspending agents in shampoo formulations are obtained by adding associative thickeners (polymers that build structures by cross-linking surfactant micelles) or space-filling particles. [0003] Representatives of the former class of suspending agents are hydrophilically modified alkaline swellable emulsion (HASE) polymers such as Aculyn 28 ex Rohm & Haas or Carbopol...
Claims
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IPC IPC(8): A61K8/49A61Q5/00A61K8/81A61K8/23A61Q5/02A61Q5/12A61K8/891A61K8/892
Inventor D·亨特里奇A·P·贾维斯K·E·基塔-托卡奇克A·J·利默S·罗布森
Owner UNILEVER IP HLDG BV