Abstract: The present invention provides a liquid detergent composition, containing (a) 4 to 50% by mass of a mixture containing specific polyoxyalkylene alkyl ether sulfates represented by formula (1) having average addition mole numbers m and n of propylene oxide and ethylene oxide satisfying 0<m<1 and 0<n?3, respectively; (b) 1 to 30% by mass of an amine oxide surfactant having a hydrocarbon group having 8 to 18 carbon atoms and an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms; a phase stabilizer selected from hydrotrope agents and organic solvents; and water, wherein a mass ratio of (a)/(b) is 20/1 to 1/1.

Abstract: Provided is a hair cleansing composition containing (A) an amphipathic amide lipid, (B) an anionic surfactant and (C) an organic or inorganic acid, or a salt thereof, and having a pH of from 1 to 4.5 when diluted with water to 20 times the weight. The hair cleansing composition of the present invention has advantages including protecting hair from physical or chemical stimulation and preventing split ends or breakage of hair without impairing the cleansing ability and feeling upon use, imparting hair with a pleasant feeling to the touch and moisture retention properties such as natural smoothness, moist feeling, and suppleness which healthy hair inherently possesses, and has excellent stability.

Abstract: Provided is a hair cosmetic composition containing (A) an amphipathic amide lipid, (B) a cationic surfactant or a tertiary amine type compound represented by the following formula (N): wherein, A represents a hydrogen atom or a linear or branched, saturated or unsaturated amide, (N-hydrocarbon)carbamoyl, acyloxy or hydrocarbonoxy group each having 12 to 24 carbon atoms in total, B represents a linear or branched, saturated or unsaturated C1-22 hydrocarbon group, and Z1 and Z2 each represents a C1-4 alkyl group; or a salt of the compound, and (C) a silicone; and having a pH at 25° C. of from 1 to 4.5 when diluted with water to 20 times the weight of the composition.

Abstract: Provided is a hair cosmetic composition containing (A) from 0.001 to 10 wt. % of an amphipathic amide lipid, and (B): from 0.05 to 10 wt. % of a dialkyl ether or ethylene glycol dialkyl ether with an alkyl group having from 18 to 22 carbon atoms, or an ethylene glycol monofatty acid ester, ethylene glycol difatty acid ester, fatty acid monoethanolamide or acylated ?-alanine with an acyl group having from 18 to 22 carbon atoms. The hair cosmetic composition of the present invention for example, protects the hair from physical or chemical stimulation, prevents appearance of split ends and broken hair, imparts natural smoothness, moist feeling, resilience and strength, and moisture retention property to the hair after treatment (shampooing), and at the same time has excellent storage stability.

Abstract: The present invention provides a liquid detergent composition, containing (a) 4 to 50% by mass of a mixture containing specific polyoxyalkylene alkyl ether sulfates represented by formula (1) having average addition mole numbers m and n of propylene oxide and ethylene oxide satisfying 0<m<1 and 0<n?3, respectively; (b) 1 to 30% by mass of an amine oxide surfactant having a hydrocarbon group having 8 to 18 carbon atoms and an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms; a phase stabilizer selected from hydrotrope agents and organic solvents; and water, wherein a mass ratio of (a)/(b) is 20/1 to 1/1.

Abstract: Provided is a hair cleansing composition comprising (A) an amphipathic amide lipid, (B) an anionic surfactant and (C) a silicone. The hair cleansing composition of the present invention has advantages such as protecting hair from physical or chemical stimulation and preventing split ends or hair breakage without impairing its cleansing ability and feeling upon use, and moreover, gives to hair after shampooing a pleasant feeling to the touch and moisture retention properties such as natural smoothness, moist feeling, and suppleness which healthy hair inherently possesses, and has excellent stability.

Abstract: Provided is a hair cosmetic composition containing (A) an amphipathic amide lipid, (B) a cationic surfactant or a tertiary amine type compound represented by the following formula (N): wherein, A represents a hydrogen atom or a linear or branched, saturated or unsaturated amide, (N-hydrocarbon)carbamoyl, acyloxy or hydrocarbonoxy group each having 12 to 24 carbon atoms in total, B represents a linear or branched, saturated or unsaturated C1-22 hydrocarbon group, and Z1 and Z2 each represents a C1-4 alkyl group; or a salt of the compound, and (C) a silicone; and having a pH at 25° C. of from 1 to 4.5 when diluted with water to 20 times the weight of the composition. The hair cosmetic composition of the present invention can protect hair from physical and chemical stimulation, thereby preventing split ends or broken hair, and impart hair with good feeling to the touch, for example, moist feeling, smoothness and suppleness which healthy hair inherently possesses, and has excellent storage stability.

Abstract: The present invention relates to a hair shampoo composition containing (A) an amphipathic amide lipid, and (B), from 5 to 30 wt. % of sulfate surfactants which are each represented by the formula: R—O—(C2H4O)a—SO3M (wherein, R represents a C8-18 alkyl or alkenyl group, a stands for 0 or a positive integer, and M represents an alkali metal, alkaline earth metal, or the like); are made of from 30 to 45 wt. % of a sulfate exhibiting a=0, from 18 to 27 wt. % of another sulfate exhibiting a=1, from 10 to 20 wt. % of a further sulfate exhibiting a=2, and the balance of further sulfates exhibiting a=3 or greater; and contain the sulfates exhibiting a=0 to 2 in an amount of 70 wt. % or greater based on the total sulfates.

Abstract: Provided is a conditioner composition, which comprises a tertiary amine represented by the following formula (1): wherein, R1 represents a linear or branched C6-24 alkyl or alkenyl group, R2 and R3 are the same or different and each represents a C1-6 alkyl group or a group -(AO)nH (in which A represents a C2-4 alkylene group, and n stands for a number of from 1 to 6 with the proviso that n pieces of A are the same or different and are arranged in any order); or a salt thereof. The conditioner composition can impart fiber or hair with good suppleness and smoothness during wetting and after drying and is particularly excellent in imparting hair or fiber with smoothness after drying.

Abstract: An object of the present invention is to provide a polycarbonate copolymer having excellent heat resistance and dimensional stability and heat resistant parts comprising the copolymer and suitable for use in various applications. The present invention is a polycarbonate copolymer comprising 5 to 95 mol % of recurring unit (component a) represented by the following general formula (I): and 95 to 5 mol % of recurring unit (component b) represented by the following general formula (II): (wherein Ra to Rd are each independently a hydrogen atom, a hydrocarbon group which may contain an aromatic group having 1 to 9 carbon atoms or a halogen atom, and W is a single bond, a hydrocarbon group which may contain an aromatic group having 1 to 20 carbon atoms or an O, SO, SO2, CO or COO group), and various heat resistant parts comprising the copolymer.

Abstract: Provided is a hair cleansing composition containing (A) an amphipathic amide lipid, (B) an anionic surfactant and (C) a silicone. The hair cleansing composition of the present invention has advantages such as protecting hair from physical or chemical stimulation and preventing split ends or hair breakage without impairing its cleansing ability and feeling upon use, and moreover, gives to hair after shampooing a pleasant feeling to the touch and moisture retention properties such as natural smoothness, moist feeling, and suppleness which healthy hair inherently possesses, and has excellent stability.

Abstract: Provided is a conditioner composition, which comprises a tertiary amine represented by the following formula (1): wherein, R1 represents a linear or branched C6-24 alkyl or alkenyl group, R2 and R3 are the same or different and each represents a C1-6 alkyl group or a group -(AO)nH (in which A represents a C2-4 alkylene group, and n stands for a number of from 1 to 6 with the proviso that n pieces of A are the same or different and are arranged in any order); or a salt thereof. The conditioner composition can impart fiber or hair with good suppleness and smoothness during wetting and after drying and is particularly excellent in imparting hair or fiber with smoothness after drying.

Abstract: Provided is a conditioner composition, which comprises a tertiary amine represented by the following formula (1): wherein, R1 represents a linear or branched C6-24 alkyl or alkenyl group, R2 and R3 are the same or different and each represents a C1-6 alkyl group or a group —(AO)nH (in which A represents a C2-4 alkylene group, and n stands for a number of from 1 to 6 with the proviso that n pieces of A are the same or different and are arranged in any order); or a salt thereof. The conditioner composition can impart fiber or hair with good suppleness and smoothness during wetting and after drying and is particularly excellent in imparting hair or fiber with smoothness after drying.

Abstract: An object of the present invention is to provide a polycarbonate copolymer having excellent heat resistance and dimensional stability and heat resistant parts comprising the copolymer and suitable for use in various applications. The present invention is a polycarbonate copolymer comprising 5 to 95 mol % of recurring unit (component a) represented by the following general formula (I): and 95 to 5 mol % of recurring unit (component b) represented by the following general formula (II): (wherein Ra to Rd are each independently a hydrogen atom, a hydrocarbon group which may contain an aromatic group having 1 to 9 carbon atoms or a halogen atom, and W is a single bond, a hydrocarbon group which may contain an aromatic group having 1 to 20 carbon atoms or an O, SO, SO2, CO or COO group), and various heat resistant parts comprising the copolymer.

Abstract: Provided are a preparation process for a hair cosmetic composition having the step of emulsifying an aqueous composition having (A) an amphipathic amide lipid, (B) a quaternary ammonium salt (b-1) or tertiary amine type compound (B-2) or salt thereof, and (C) a higher alcohol (c): ?R?—OH??(c) (wherein, R and R? represents C12-28 aliphatic hydrocarbon, R? represents C1-3 alkyl, X? represents anion, A represents H or amide group having 12 to 24 carbon atoms in total, N-(hydrocarbon carbamoyl), acyloxy or hydrocarbon oxy, B represents C1-22 divalent hydrocarbon, and Y1 and Y2 represents C1-4 alkyl) at a temperature equal to or greater than the melting point of Component (C) but less than the phase transition temperature of a composition composed of Components (B) and (C), each in an amount equal to the content of the intended hair cosmetic composition, and balance water; and a hair cosmetic composition thus obtained.

Abstract: Provided is a hair cosmetic composition containing (A) from 0.001 to 10 wt. % of an amphipathic amide lipid, and (B): from 0.05 to 10 wt. % of a dialkyl ether or ethylene glycol dialkyl ether with an alkyl group having from 18 to 22 carbon atoms, or an ethylene glycol monofatty acid ester, ethylene glycol difatty acid ester, fatty acid monoethanolamide or acylated &bgr;-alanine with an acyl group having from 18 to 22 carbon atoms.

Abstract: The present invention relates to a hair shampoo composition containing (A) an amphipathic amide lipid, and (B), from 5 to 30 wt. % of sulfate surfactants which are each represented by the formula: R—O—(C2H4O)a—SO3M (wherein, R represents a C8-18 alkyl or alkenyl group, a stands for 0 or a positive integer, and M represents an alkali metal, alkaline earth metal, or the like); are made of from 30 to 45 wt. % of a sulfate exhibiting a=0, from 18 to 27 wt. % of another sulfate exhibiting a=1, from 10 to 20 wt. % of a further sulfate exhibiting a=2, and the balance of further sulfates exhibiting a=3 or greater; and contain the sulfates exhibiting a=0 to 2 in an amount of 70 wt. % or greater based on the total sulfates.

Abstract: Provided is a hair cosmetic composition containing (A) an amphipathic amide lipid, (B) a cationic surfactant or a tertiary amine type compound represented by the following formula (N): 1

Abstract: Provided is a hair cleansing composition containing (A) an amphipathic amide lipid, (B) an anionic surfactant and (C) a silicone.

Abstract: Provided is a hair cleansing composition containing (A) an amphipathic amide lipid, (B) an anionic surfactant and (C) an organic or inorganic acid, or a salt thereof, and having a pH of from 1 to 4.5 when diluted with water to 20 times the weight.