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Aqueous hair cleansing composition

A cleaning agent, water-based technology, used in hair care, cosmetics and other directions, can solve the problem of the quality of the foam can not obtain satisfactory results and so on

Active Publication Date: 2011-12-21
KAO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, satisfactory results cannot be obtained in terms of foaming and foam quality.

Method used

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  • Aqueous hair cleansing composition
  • Aqueous hair cleansing composition
  • Aqueous hair cleansing composition

Examples

Experimental program
Comparison scheme
Effect test

manufacture example 1

[0100] Production Example 1: Production of ammonium lauryl ether sulfate with an average added mole number of EO of 1.0

[0101] Add 2000g Kalcol 2470 (Kao Corporation, dodecyl alcohol:tetradecyl alcohol = about 3:1) and 1.45g sodium hydroxide in a pressure-resistant closed reaction device, dehydrate at 110°C and 10mmHg for 30 minutes, then raise the temperature in the system to 165°C. After the temperature was raised, 456 g of ethylene oxide was injected, and the addition reaction was carried out for 30 minutes while maintaining the original temperature. Thereafter, it was cooled to 80° C. and neutralized with 1.3 g of acetic acid to obtain an ethylene oxide adduct of the above-mentioned raw material alcohol.

[0102] Next, sulfation reaction was carried out at 40° C. using 1793 g of the mixture obtained by the above operation and 607 g of sulfuric acid gas. After the reaction, neutralization was performed with 150 g of 28% by weight ammonia water and 600 g of deionized wat...

manufacture example 2

[0104] Production example 2: Production of ammonium lauryl ether sulfate with an average added mole number of EO of 1.3

[0105] Except for changing the reaction ratio of the raw materials, the sulfate 2 (25% by weight aqueous solution) described in Table 1 was obtained based on Production Example 1.

[0106] The obtained sulfate was based on the standard of cosmetic raw materials. The sulfate, anion and EO chain were confirmed, and the composition ratio was determined by gas chromatography, as shown in Table 1.

manufacture example 3

[0107] Production Example 3: Production of sodium lauryl ether sulfate with an average added mole number of EO of 1.0

[0108] Sulfation reaction was carried out at 40° C. using 1793 g of the ethylene oxide adduct of raw material alcohol obtained in Production Example 1 and 607 g of sulfuric acid gas. After the reaction, neutralization was performed with 132 g of a 23% by weight aqueous sodium hydroxide solution and 556 g of deionized water. The concentration and pH were adjusted with 23% by weight sodium hydroxide aqueous solution, 75% by weight phosphoric acid and deionized water to obtain 10000 g of sulfate 3 (25% by weight aqueous solution) listed in Table 1.

[0109] The obtained sulfate was based on the standard of cosmetic raw materials, and the sodium salt, sulfate, anion and EO chain were confirmed, and the composition ratio was determined by gas chromatography, as shown in Table 1.

[0110] Table 1 (weight%)

[0111] n＝0 n＝1 n＝2 n＝3 n≥4 ...

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Abstract

This aqueous hair shampoo comprises the ingredients (A) to (C). (A) 5 to 30 wt.% of a sulfate type surfactant represented by the general formula: R-O-(C2H4O)n-SO3M (M is sodium or ammonium), and comprising 30 to 45 wt.% of (n)=0, 18 to 27 wt.% of (n)=1, 10 to 20 wt.% of (n)=2, and the remainder of (n)>=3, wherein the total amount of n=0 to 2 is >=70 wt.% based on the total sulfates. (B) at least one component selected from amino-modified silicone derivative (0.05-10 wt.%) having a group containing both hydroxy group and nitrogen atom as side chain bonded to silicon atom; and water-soluble cationic polymer (0.01-3 wt.%) having molecular weight of 100000-1900000 and charge density of 0.6-4 meq / g. (C) 0.1 to 10 wt.% of a silicone oil represented by the general formula: R'(CH3)2SiO-[(CH3)2SiO]m-Si(CH3)2R' and having an average particle diameter of <50 [mu]m as dispersed particles.

Description

technical field [0001] The present invention relates to aqueous hair cleansers containing sulfate-type surfactants and amino-modified silicones or cationic polymers. Background technique [0002] In recent years, as the performance of shampoos, in addition to basic performances such as cleansing ability, ease of foaming, and rich foam volume, it is also desired to have a smooth feeling of foam when foaming, a smooth feeling when washing, and no friction. and other conditioning effects. In order to meet such demands, various amino-modified siloxanes, for example, a modified siloxane listed in CTFA under the name of Amodimethicone with an average molecular weight of about 3,000 to 100,000 are added to shampoos. However, shampoos using these amino-modified silicones have insufficient foamability and foam volume, and cannot impart a satisfactory smooth feeling. [0003] However, as one of means for improving the smoothness, studies have been made on hair cosmetics in which an ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/58A61K8/33A61Q5/02
Inventor 寺田英治
Owner KAO CORP