HAIR TREATMENT AGENT
To provide hair treatment agents that provide excellent finger-combing hair at the time of rinsing after application and provide excellent smoothness to the hair after drying, and provide the hair softness from rinsing to and after drying.SOLUTION: Provided is a hair treatment agent containing a cop...
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Main Authors | , |
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Format | Patent |
Language | English Japanese |
Published |
31.10.2019
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Subjects | |
Online Access | Get full text |
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Summary: | To provide hair treatment agents that provide excellent finger-combing hair at the time of rinsing after application and provide excellent smoothness to the hair after drying, and provide the hair softness from rinsing to and after drying.SOLUTION: Provided is a hair treatment agent containing a copolymer (D) having as essential structural units: (a) a structural unit having a specific cationic group; (b) a structural unit having a specific alkyl group; and (c) a structural unit derived from an ethylenically unsaturated monomer (C) having a specific structure, the weight average molecular weight (Mw) of the copolymer (D), the ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) of the copolymer (D) (Mw/Mn), and the cationic charge density of the copolymer (D) being specific values, and the molar ratio of (a) constituting the copolymer (D), the molar ratio of (b) and the molar ratio of (c) being specific values.SELECTED DRAWING: None
【課題】 本発明の課題は、塗布後のすすぎ時の指通り性及び乾燥後の毛髪の滑らかさに優れ、かつ、すすぎ時から乾燥後にかけて毛髪が柔らかくなる毛髪処理剤を提供することにある。【解決手段】 特定のカチオン性基を有する構成単位(a)、特定のアルキル基を有する構成単位(b)及び特定の構造のエチレン性不飽和単量体(C)由来の構成単位(c)とを必須構成単位として有する共重合体(D)を含有する毛髪処理剤であって、前記共重合体(D)の重量平均分子量(Mw)、前記共重合体(D)の数平均分子量(Mn)に対する重量平均分子量(Mw)の比率(Mw/Mn)及び前記共重合体(D)のカチオン電荷密度が、特定の値であり、前記共重合体(D)を構成する(a)のモル比率、(b)のモル比率及び(c)のモル比率が、特定の値である毛髪処理剤。【選択図】なし |
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Bibliography: | Application Number: JP20190082770 |