Forming polymer for amine oxide type amphoteric hair and application thereof

An amphoteric polymer, hair styling technology, applied in cosmetics, hair care, cosmetic preparations, etc., can solve problems such as poor compatibility, insufficient compatibility, and low film hardness

Active Publication Date: 2010-06-16
GUANGZHOU TINCI MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this hair styling polymer has insufficient compatibility with various cosmetic substrates such as anionic activators, especially poor compatibility with gel substrates; and the formed film has low hardness

Method used

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  • Forming polymer for amine oxide type amphoteric hair and application thereof
  • Forming polymer for amine oxide type amphoteric hair and application thereof
  • Forming polymer for amine oxide type amphoteric hair and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] A, add (meth)acrylic acid N in the reactor with reflux cooler, dropping funnel, thermometer, nitrogen inlet pipe and stirring device, 60 parts by weight of N-diethylaminopropyl ester, 35 parts by weight of methyl methacrylate Parts by weight, 5 parts by weight of lauryl methacrylate, 160 parts by weight of absolute ethanol, nitrogen gas, stirring and mixing while raising the temperature, when the temperature reaches 70 ° C, slowly dropwise add 37.5% of azobisisoheptanonitrile within 2 hours (weight parts) ethanol solution 15 weight parts, insulation reaction 1 hour;

[0059] B. Then when the temperature of the reaction system was raised to 72° C., slowly dropwise added 15 parts by weight of ethanol solution containing 50% (parts by weight) of azobisisoheptanonitrile within 2 hours, and kept the reaction for 1 hour;

[0060] C, when the temperature of the reaction system is raised to 75° C., slowly dropwise add 15 parts by weight of ethanol solution of 62.5% (parts by we...

Embodiment 2

[0065] The synthesis method and steps of P-2 are basically the same as those of P-1, except that 55 parts by weight of N,N-diethylaminopropyl (meth)acrylate, 40 parts by weight of methyl methacrylate, stearyl methacrylate 5 parts by weight, and in step A, slowly add azobisisobutyronitrile dropwise within 1 hour and raise the temperature to 70°C for 2 hours, and in step B, raise the temperature to 75°C and slowly add azobisisobutyronitrile dropwise within 1 hour Nitrile is kept warm for 2 hours, step C is heated to 80°C, and azobisisobutyronitrile is slowly added dropwise within 1 hour and kept warm for 3 hours. In step D, add 0.1 parts by weight of citric acid and disodium EDTA to the system at one time , Then will account for (meth)acrylic acid N, the 25% aqueous solution of the ammonium persulfate of 1.5 mole times of N-diethylaminopropyl ester is added dropwise in the polymerization solution within 5 hours with a dropper, and then continue to stir for 12 hours.

[0066] The...

Embodiment 3

[0068] The synthetic method and steps of P-3 are the same as those of P-1, adding 50 parts by weight of N,N-diethylaminopropyl (meth)acrylate, 45 parts by weight of methyl methacrylate, and 5 parts by weight of stearyl methacrylate. Parts by weight, in addition, in step A, azobisisobutyronitrile was slowly added dropwise within 1.5 hours and the temperature was raised to 62°C for 2 hours, and in step B, the temperature was raised to 65°C and azobisisobutyronitrile was slowly added dropwise within 1.5 hours Insulate for 1.5 hours, in step C, raise the temperature to 75°C, slowly add azobisisobutyronitrile dropwise within 1.5 hours and keep warm for 2.5 hours, in step D, add 0.05 parts by weight of citric acid and disodium EDTA to the system at one time, Then, a 55% aqueous solution of peracetic acid, which accounts for 0.5 mole times of (meth)acrylic acid N, N-diethylaminopropyl ester, was added dropwise to the polymerization solution within 2 hours through a dropper, and the st...

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Abstract

The invention relates to a forming polymer for amine oxide type amphoteric hair and application thereof, in particular to a water-soluble polymer of an amphoteric ionic polymer. The forming polymer for the amine oxide type amphoteric hair has a thin film with stronger hardness and favorable hand feel, and has excellent forming force, hair care property and hair washing property, and favorable compatibility with various base materials. The polymer is prepared by raising temperature of three polymer monomers and adding an initiator for polymerization in batches, adding an appropriate amount of oxidant and catalyst and carrying out amphotericity, and can be used in the aspects, such as gel water, gel paste or hair spray, and the like. The invention provides the forming polymer for amine oxide type amphoteric hair which can form a thin film with stronger hardness and favorable hand feel, and has excellent forming force, hair care property and hair washing property, and favorable compatibility with various base materials, a preparation method and the application thereof.

Description

technical field [0001] The present invention relates to an amine oxide-type hair-setting polymer, especially a water-soluble polymer of a zwitterionic polymer. The film of the present invention has strong hardness and good hand feeling, and has excellent setting power, hair care, Amine oxide amphoteric hair styling polymer with good shampooing properties and good compatibility with various substrates, so it can be used in gel water, gel cream or hairspray, etc. Background technique [0002] Fixing hair with resins to form hairstyles of desired shape is well known. [0003] Japanese Patent Publication No. 9732 in 1976, No. 104209 in 1980, and U.S. Patent 4,358,567 describe a kind of (meth)acrylate type unsaturated monomer containing tertiary amine, having C 1 -C 4 Alkyl (meth)acrylates with C 12 -C 18 Hair styling resin composed of betaine-type amphoteric polymer formed by solution polymerization of alkyl (meth)acrylic acid alkyl ester terpolymer and then zwitterionized w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/34C08F220/14C08F220/18C08F8/06A61K8/81A61Q5/06
Inventor 华慢吴丹金张若昕袁立新
Owner GUANGZHOU TINCI MATERIALS TECH
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