CN112842937B - Hair conditioner containing aqueous nonionic polyurethane dispersion - Google Patents
Hair conditioner containing aqueous nonionic polyurethane dispersion Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/87—Polyurethanes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/86—Polyethers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/12—Preparations containing hair conditioners
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/20—Chemical, physico-chemical or functional or structural properties of the composition as a whole
- A61K2800/30—Characterized by the absence of a particular group of ingredients
- A61K2800/34—Free of silicones
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Abstract
Disclosed is a hair conditioner comprising an aqueous nonionic polyurethane dispersion. The hair conditioner comprises the following components: aqueous non-ionic polyurethane dispersion, hair care conditioner, emulsifying thickener, humectant and water-containing carrier. The hair conditioner may further contain silicone oil. The hair conditioner without silicone oil is fresh, and the fullness and smoothness of hair are improved after film forming; the hair conditioner containing the silicone oil can further promote the effective enrichment of the silicone oil components, and simultaneously, the problem of fine, soft and collapse of hair caused in the process of using the silicone oil is also avoided.
Description
Technical Field
The invention belongs to the field of personal care, and particularly relates to a hair conditioner, in particular to a hair conditioner containing an aqueous nonionic polyurethane dispersion.
Background
People want to have healthy, beautiful, soft and easy-to-comb hair, but the following problems are common to the hair of people:
(1) Due to the influence of air environment and the increasing popularity of perm and hair dyeing, the hair of people is damaged in different degrees and is very common. The chemical components in the hair perming liquid can destroy and fall off the scales on the surface layer of the hair, so that the internal structure of the hair is in an unprotected state, the water and the nutrient components are lost, and the keratin is denatured and lost, so that the hair is easy to yellow and crisp, has no luster, elasticity and roughness, and is seriously and generally damaged by the influence of the air environment;
(2) Because the hair roots and the hair are poor in nutrition, the hair roots are formed into embolism to influence the nutrition of the hair follicles, so that the hair follicles are gradually shrunk and destroyed, the hair becomes thin, dry and even crisp and falls off, and the thin and soft hair is easy to cause the hair to collapse, thereby causing the influence of thin hair quantity;
(3) As the length of hair increases, the hair becomes partially exfoliated in scales, and the hair becomes less flexible and susceptible to twisting, making it highly susceptible to kinking and breakage during combing and washing.
The traditional hair conditioner solution is mainly to add some conditioning agents such as silicone oil and the like in the formula, although the conditioning property and the antistatic property of hair can be improved, the silicone oil product still has a great problem how to ensure that a great amount of hair is enriched after the silicone oil product is added in a water-soluble formula due to the existence of a hydrophobic structure. Patent CN105267063A discloses that a product added with silicone oil is applied to a hair conditioner product, and enrichment is increased by adding polyquaternium or other cationic conditioning products, but the scheme mainly depends on the positive charge of the cation at the terminal of the cationic conditioning agent and the negative charge at the tail end of hair for electrostatic combination, so that the hydrophobic macromolecule end of the scheme can help silicone oil hydrophobic products to be enriched on the hair, but the scheme can cause the result that a large amount of conditioning agent and silicone oil are mainly enriched at the tail end of the hair, and uniform and effective conditioning enrichment can not be realized on the whole hair; on the other hand, the hair is softened and collapsed by using the silicone oil for a long time, and the hair is tightly attached to the scalp due to the excessive burden of the hair caused by the silicone oil existing in the tail end of the hair, so that the adverse effect on the health of the hair due to the large-amount use of the silicone oil conditioning agent is caused. The patent CN107049830A adopts a cation emulsification system to stabilize the silicone oil components, but cations are still adopted to help the silicone oil to deposit in the using process, and the problems of uneven distribution of the silicone oil and burden on hair after long-term use are still not solved. At present, there is not enough evidence to prove that the hair and scalp are obviously damaged by using the silicone oil for a long time, so that the problem of hair collapse after the silicone oil is used can be solved, and the acceptance of consumers on the type can be greatly improved.
Patent CN106176467B discloses a refreshing low-irritation hair conditioner product, which only adds some cationic surfactants or conditioners to neutralize the negative charges on the hair during use, but these surfactants are largely washed away after use, are rarely effectively enriched on the hair, cannot achieve long-lasting conditioning effect, and do not significantly improve the problem of hair loss. Therefore, the hair conditioner of the proposal has a very limited application range. There is an urgent need for highly effective, overall low irritation hair conditioner products to address the above problems.
Disclosure of Invention
The invention provides a hair conditioner containing an aqueous nonionic polyurethane dispersion, which can improve the fullness and smoothness of hair after film formation, can further promote the effective enrichment of silicone oil components after the silicone oil components are added, and simultaneously avoids the problems of hair fineness and collapse caused in the process of using the silicone oil.
A hair conditioner comprises the following components:
(a) 0.1 to 20 parts by weight of an aqueous nonionic polyurethane dispersion; preferably 1 to 15 parts by weight;
(b) 1-30 parts by weight of hair conditioning agent, preferably 4-20 parts by weight;
(c) 0.1 to 20 parts by weight of an emulsifying thickener, preferably 5 to 15 parts by weight;
(d) 0.01-10 parts by weight of humectant, preferably 0.1-5 parts by weight;
(e) The amount of the aqueous carrier is based on 100 parts by weight of the sum of the parts by weight of all the components in the hair conditioner.
The aqueous nonionic polyurethane dispersion (a) of the present invention is an aqueous nonionic polyurethane dispersion having a solid content of 20 to 50wt%, and the particle diameter of the aqueous nonionic polyurethane dispersion is 10 to 100nm, preferably 10 to 60nm.
The aqueous nonionic polyurethane dispersion (a) is a product obtained by reacting the following components:
s1: at least one diisocyanate added in an amount of 5 to 25% by weight, preferably 9 to 13% by weight;
s2: a macromolecular polyol having a number average molecular weight of 500 to 3000g/mol, preferably 1000 to 2000g/mol, in an amount of 1 to 25% by weight, preferably 4 to 15% by weight;
s3: at least one monohydric and/or dihydric alcohol having a polyoxyethylene segment in the main chain and/or side chain, having a number average molecular weight of 500 to 3000g/mol, and added in an amount of 1 to 20% by weight, preferably 7 to 10% by weight;
s4: at least one diol micromolecular chain extender containing active hydrogen, which has the molecular weight of 60-400g/mol and is added in the amount of 0.1-10wt%, preferably 1-5wt%;
s5: at least one diamine small molecular chain extender containing active hydrogen, which has a molecular weight of 59-200g/mol and is added in an amount of 0.01-5wt%, preferably 0.04-0.7wt%;
s6: a low-boiling organic solvent added in an amount of 0.2 to 2 times, preferably 0.5 to 1.5 times, the total weight of S1 to S5;
s7: distilled water in an amount of 20 to 80wt%, preferably 57 to 70wt%;
s8: the adding amount of the catalyst is 100-300ppm of the total weight of S1-S5;
the addition amount of each component is the content of the total weight of the reaction system, wherein the total weight of the reaction system is the sum of the weight of S1-S5 and the weight of S7 and S8, and is 100wt%.
Preferably, the diisocyanate described in component S1 is one or more of toluene diisocyanate, diphenylmethane diisocyanate, isophorone diisocyanate, hexamethylene diisocyanate and dicyclohexylmethane diisocyanate.
Preferably, the macropolyol described in component S2 is one or more of polyethylene glycol, polypropylene glycol, polyethylene glycol-propylene glycol diol, polytetrahydrofuran ether glycol, polycaprolactone diol, polycarbonate diol, polyethylene glycol adipate 1,4-butanediol diol, neopentyl glycol adipate diol, polyethylene 1,6-hexanediol diol, and polyethylene neopentyl glycol adipate 1,6-hexanediol diol.
Preferably, the monohydric alcohol and/or dihydric alcohol with the main chain and/or the side chain containing the polyoxyethylene chain segment in the component S3 is selected from one or more of polyethylene oxide ether glycol and polyethylene glycol monomethyl ether, preferably Tego Chemie company
D-3403, ymer N120 from Perstrop, inc., and MPEG1200 from Korea Letian, more preferably Ymer N120 from Perstrop, inc., and/or MPEG1200 from Korea Letian.
Preferably, the diol small-molecule chain extender containing active hydrogen in the component S4 is one or more of 1,3-propylene glycol, 1,4-butanediol, diethylene glycol, neopentyl glycol, 1,6-hexanediol, 1,4-cyclohexanedimethanol.
Preferably, the diamine small-molecule chain extender containing active hydrogen in the component S5 is one or more of ethylenediamine, hexamethylenediamine, pentamethylenediamine, diethylenetriamine, isophoronediamine and 4,4-diphenylmethanediamine.
Preferably, the low-boiling organic solvent described in component S6 comprises acetone and/or butanone.
Preferably, the catalyst described in component S8 comprises dibutyl tin dilaurate or organic bismuth 8108 from the leading american company.
In the aqueous nonionic polyurethane dispersion, the molar ratio of isocyanate groups of diisocyanate of the component S1 to hydroxyl groups of macromolecular polyol of the component S2 is 1.85-4.5.
Preferably, in the aqueous nonionic polyurethane dispersion, the content of the polyoxyethylene segment is 20% or more of the solid weight of the aqueous nonionic polyurethane, and is at the terminal or pendant group of the molecular chain.
The hair care conditioner (b) comprises one or more of hexadecyl trimethyl ammonium chloride, behenyl trimethyl ammonium sulfate, stearyl trimethyl ammonium chloride, polyquaternium-10, polyquaternium-7, guar gum hydroxypropyl trimethyl ammonium chloride, polyethylene glycol-14M, polyethylene glycol-7M, mineral oil, isoparaffin, avocado oil, jojoba oil, isopropyl myristate, isopropyl palmitate and hydrogenated polydecene, and the hexadecyl trimethyl ammonium chloride and/or the mineral oil are preferred.
The (c) emulsifying thickener according to the present invention includes one or more of cetearyl alcohol, synthetic spermaceti, cetyl alcohol, ceteareth-25, glyceryl stearate, polyquaternium-37, ceteareth-20, xanthan gum, carbomer, acrylic acid polymer, hydroxyethyl cellulose, hydroxypropyl methyl cellulose, preferably cetearyl alcohol and/or synthetic spermaceti.
The humectant (D) comprises one or more of propylene glycol, glycerol, 1,3-butanediol, polyethylene glycol, D-panthenol, sodium hyaluronate, sodium pyrrolidone carboxylate, lactic acid, sodium lactate and betaine, and preferably glycerol.
The aqueous carrier (e) comprises water and one or a mixture of more of pH regulator, essence, emulsifier, chelating agent, opacifier, bactericide and pearling agent; preferably, the aqueous carrier comprises the following composition:
0-1 part by weight of a pH regulator;
0-3 parts by weight of essence;
0-3 parts by weight of an emulsifier;
0-0.5 parts by weight of a chelating agent;
0-1 parts by weight of a sunscreen agent;
0-1 part by weight of a bactericide;
0-1 parts by weight of pearling agent.
Preferably, the pH regulator of the present invention is selected from at least one of sodium hydroxide, potassium hydroxide, ammonium chloride, citric acid, sodium citrate and acetic acid, preferably from sodium hydroxide and citric acid.
Preferably, the essence provided by the invention is selected from artificial synthetic or natural essence, and preferably natural essence.
Preferably, the emulsifier according to the invention is selected from PEG-150 distearate and/or glycerol stearate.
Preferably, the chelating agent of the present invention is selected from disodium ethylenediaminetetraacetate and/or hydroxyethylethylenediaminetriacetic acid, preferably from disodium ethylenediaminetetraacetate.
Preferably, the sunscreen agent according to the invention is selected from styrene/acrylate copolymers and/or acrylate copolymers, preferably from styrene/acrylate copolymers.
Preferably, the bactericide of the invention is selected from one or more of cason, nipagin ester, sodium benzoate, salicylic acid, DMDM hydantoin, phenoxyethanol and chlorhexidine hydrochloride.
Preferably, the pearlizing agent according to the invention is selected from ethylene glycol distearate and/or ethylene glycol monostearate, preferably ethylene glycol distearate.
As a preferable technical scheme, the hair conditioner does not contain silicone oil. The conditioner without silicone oil is refreshing.
As another preferable technical scheme, the hair conditioner contains silicone oil.
The content of the silicone oil is 0.01 to 10 parts by weight, preferably 0.5 to 5 parts by weight. The hair conditioner containing the silicone oil can promote the silicone oil to be uniformly enriched.
The silicone oil is one or more of amino-terminal polydimethylsiloxane, cyclopentadimethylsiloxane and dimethiconol, and the amino-terminal polydimethylsiloxane and/or dimethiconol are preferred.
Compared with the prior art, the invention has the following beneficial effects:
1. the hair conditioner contains nonionic polyurethane components, the hydrophilic nonionic chain segment in the formula can have wide compatibility in the hair conditioner formula taking cations as main components, and the hair conditioner is filmed in the using process, the nonionic chain segment can generate strong hydrogen bond action with keratin on the surface of hair, and the hair conditioner can be easily attached to hair scales damaged by the hair to fill the cavities of the hair; the nonionic polyurethane is also easy to form a film on the hair, so that the volume of the hair is increased, the hair roots are strengthened and strengthened after the nonionic polyurethane is used, the space between the hair threads is increased, the feeling of fullness in air is further brought, and the defects of thin, soft and collapsed hair can be improved. Meanwhile, the non-ionic polyurethane can improve the smoothness of the hair surface after forming a film on the damaged hair scales, so that a certain smoothing effect is achieved.
2. Different from certain polyquaternium or cationic surfactant and other components with positive charges, the components with positive charges are deposited on the electrostatic tail part of the hair through electrostatic action, and the hydrophobic end of the components helps to enrich silicone oil, so that the conditioner and the silicone oil components are easily unevenly distributed on the hair, the burden of the hair is increased, and the hair is softer and more collapsed. When the silicone oil component exists in the formula of the hair conditioner, the hydrophobic section in the polyurethane can help the silicone oil component to be effectively and uniformly enriched on hair, meanwhile, the polyurethane component can increase the rigidity of the hair after forming a film, the phenomenon of hair collapse caused by the use of the silicone oil component is obviously improved, and the acceptance degree of consumers is increased.
3. The polyurethane dispersion exists in the form of nanoparticles in the water phase, but in the film forming process, the polyurethane dispersion and hair fibers are uniformly deposited, so that the film forming fitness of the polyurethane dispersion on the surfaces of the hair fibers is better, and the polyurethane dispersion has similar effects on consumers with different hair quality types; after the film is formed on the hair, hydrophilic and hydrophobic groups in the latex particles are mutually diffused, and the molecular weight of the latex particles after the film is formed is obviously increased, so that the brightness, the tensile strength and the like of the hair are improved, the defect of keratinocytes on the surface of the hair is slowed, the deposition of polyurethane on the surface of the hair is gradually slowed down when the hair is used for a long time, and the unclear and refreshing feeling of long-term use of a user caused by the film-forming accumulation of the polyurethane is relieved to a certain extent. Therefore, the damage problems of hair yellowing, hair brittleness, no elasticity, roughness, fuzziness and the like caused by permanent dyeing and environmental influence are repaired more comprehensively and efficiently, and especially, the effect is more obvious when the hair length is increased.
4. Through experimental tests, after the nonionic polyurethane disclosed by the invention is added into the refreshing silicone-oil-free hair conditioner, the rigidity of hair is improved by about 40%, the fullness is improved by about 80%, the flexibility is obviously improved, the dry combing resistance is reduced by 10%, the combing performance is enhanced, and the tensile strength of damaged hair is increased by 70%; after the nonionic polyurethane disclosed by the invention is added into the hair conditioner containing silicone oil, the rigidity of hair is improved by about 50%, the fullness of the hair is improved by about 90%, the flexibility is obviously improved, the dry combing resistance is reduced by 10%, the combing performance is enhanced, the tensile strength of damaged hair is increased by 60%, in addition, the attractiveness of the hair is also obviously improved, the antistatic effect is also obviously improved, and the brightness of the dried hair is obviously increased.
Detailed Description
Raw materials used in examples and comparative examples:
ymer N120 (polyethylene oxide ether glycol, hydroxyl value 110mgKOH/g, number average molecular weight ≈ 1000, perstorp, sweden);
CHDM (1,4-cyclohexanedimethanol, karling chemical Co., ltd.);
NPG (neopentyl glycol, wanhua chemical group gmbh);
EDA (ethylenediamine, BASF, germany);
PPG1000 (polypropylene glycol, santong blue star, ltd);
IPDA (Isophorone diamine, vanhua chemical group Ltd.);
cetearyl alcohol (thickener, thailangenin);
synthetic spermaceti (thickener, thailangenin);
amino-terminated polydimethylsiloxanes (water-soluble silicone oils, guangzhou Tiancio materials);
dimethiconol (water soluble silicone oil, new material granted in guangzhou);
mineral oil (white mineral oil, majesty petrochemical company);
hexadecyltrimethylammonium chloride (cationic conditioner, jiangsu source runtai chemical ltd);
polyquaternium-10 (cationic conditioner, new material granted in Guangzhou city);
citric acid (p H regulator, wang chemical ltd, guangzhou);
glycerin (humectant, guangzhou city, industrial chemical limited);
phenoxyethanol (germicide, basf);
chlorhexidine hydrochloride (germicide, basf);
TCW2890404 (essence, lihua essence Co., ltd.).
Nonionic polyurethane-1:
87 g of IPDI,31 g of PPG1000, 29 g of CHDM,65 g of N120,0.02 g of 8108 and 21.2 g of acetone are added into a four-neck flask with a thermometer and a stirring rod, the mixture is heated to 70 ℃ to react until the NCO reaches 3.0% (theoretical NCO value is 3.39%), the temperature is reduced to 40 ℃, 212 g of acetone is added, 487 g of water is then added under high-speed stirring (1200-1500 r/min), a mixture of 4.2 g of EDA and 17 g of water is added after the dispersion is finished, the stirring is continued for 5min, and the acetone is removed to obtain the nonionic polyurethane-1 with the particle size of 26nm and the solid content of 30%.
Nonionic polyurethane-2:
adding 90 g of IPDI,102 g of PPG1000, 21 g of CHDM,60 g of N120,0.05 g of 8108 and 27.3 g of acetone into a four-neck flask with a thermometer and a stirring rod, heating to 70 ℃ to react until NCO reaches 2.3% (theoretical NCO value is 2.70%), cooling to 35 ℃, adding 273 g of acetone, then adding 608 g of water under high-speed stirring (1200-1500 r/min), adding a mixture of 4 g of EDA and 16 g of water after the dispersion is finished, continuing stirring for 5min, and removing the acetone to obtain the nonionic polyurethane-2 with the particle size of 36nm and the solid content of 30%.
Nonionic polyurethane-3:
63 g of IPDI,102 g of PPG1000,9 g of CHDM,50 g of N120,0.04 g of 8108 and 22.4 g of acetone are added into a four-neck flask with a thermometer and a stirring rod, the mixture is heated to 70 ℃ to react until the NCO reaches 2.1% (theoretical NCO value is 2.33%), the temperature is reduced to 35 ℃, 224 g of acetone are added, 522 g of water is added under high-speed stirring (1200-1500 r/min), a mixture of 3 g of EDA and 12 g of water is added after the dispersion is finished, the stirring is continued for 5min, and the acetone is removed to obtain the nonionic polyurethane-3 with the particle size of 20nm and the solid content of 30%.
Test method
1. In vitro hair strand testing
1.1 plumpness index
The unused hair was rinsed with a 15wt% sodium laureth sulfate solution. After drying, the hair tress was tested using a DIA STRON MTT175 Hair tester with a 1cm pull 1The compression work at 5cm was taken as the initial tensile work and recorded as W initial (ii) a Washing the hair strands with 0.6g of conditioner, and repeating the above test procedure using MTT175 to obtain the pull force and recording as W test . The difference between the test tensile work and the initial tensile work is recorded as W treatment ＝W test –W initial (ii) a The difference between the pull force work and the initial pull force work of a commercially available Eriya ELVIVE volumizing product was tested as a top control (W) topcontrol ) Blank compositions (without any cations) were tested for the difference between work pull and initial work pull as a bottom control (W) bottomcontrol ). The test fullness index can be expressed as:
1.2 Hair Strand smoothness test
Two groups of unused tresses were washed with 15wt% sodium laureth sulfate solution and the combing work obtained using the above MTT175 hair tester was used as the initial combing work and recorded as W initial1 ,W initial2 (ii) a The tresses were rinsed with a twenty-fold dilution of the test conditioner (containing polymer) and a blank composition (without any cations), and the test combing work and the blank combing work obtained by the above test procedure and reported as W, respectively test And W blank . The dry combing smoothness index can be recorded as:
slip index = (W) blank /W initial2 -W test /W initial1 )*100％。
1.3 rigidity evaluation
The hair tresses were cut to a length of 15cm and the unused tresses were rinsed with a 15wt% sodium laureth sulfate solution and tested for hair stiffness using the MTT175 hair tester described above. The end was fixed with a hair clip during the test, placed on a hair tester, and the force value at 1.5cm compression was taken as the initial value F blank Washing the hair bundle with 0.6g hair conditioner, and repeating the above steps with MTT175 hair tester to obtain tension F test . The stiffness index of the test composition can be expressed as:
Stiffness index = (F) test -F blank )/F blank *100％。
1.4 Strength evaluation
Taking hair tresses, treating the hair tresses with bleaching powder and hydrogen peroxide to obtain damaged hair, fully rinsing with tap water, and testing the work of single hair when the single hair is broken by using the MTT175 hair tester. During the test, the tail end of the hair is fixed by the hair clip, the hair clip is placed on a hair tester, and the work W done when the single hair is broken is tested blank Washing the hair bundle with 0.6g hair conditioner, and repeating the above steps with MTT175 hair tester to obtain work W when single hair is broken test . After fifty test sets of repeated tests, the composition strength index can be expressed as:
intensity index = (W) test -W blank )/W blank *100％。
1.5 antistatic test
Taking 15wt% of sodium laureth sulfate solution to clean unused hair bundles, after drying, cleaning the hair bundles by using 0.6g of hair conditioner, fully drying, taking A4 paper, uniformly cutting the paper into 2000 pieces of paper scraps, rubbing the hair bundles on the paper scraps back and forth for three times, lifting the hair bundles, and recording the number of the paper scraps on the hair bundles.
2. Sensory evaluation test for consumer testing
2.1 test of fullness
10 women with fine and soft hair were collected, and the hair conditioners of the following examples and comparative examples were used for 2 weeks, and the evaluation was made by scoring (1-5 points) after every two days, and the hair softening effect was 1 and the hair fullness was 5.
2.2 smoothness test
10 women with fine and soft hair were collected, and evaluated by scoring (1-5 points) after every two days for 2 weeks using the conditioners of the following examples and comparative examples, respectively, and after drying, the hair was tangled seriously, was difficult to comb, had a resistance of very large 1, had no tangle, was easy to comb, and had almost no resistance of 5.
2.3 antistatic test
10 women with fine and soft hair were collected, and evaluated by scoring (1-5 points) after every two days for 2 weeks using the conditioners of the following examples and comparative examples, respectively, and the hair static electricity was remarkably 1 and the hair anti-static electricity effect was 5.
Examples 1 to 3 and comparative examples 1 to 3:
the refreshing conditioners of examples 1 to 3 and comparative examples 1 to 3 were prepared as shown in the following table 1, and were prepared by a method comprising the steps of: according to the proportion, the components are added in turn under stirring at room temperature of 1500r/min, the pH value is adjusted to 5.5, and the stirring is carried out for 20 minutes until the components are completely dispersed.
TABLE 1 formulations of examples 1-3 and comparative examples 1-3
The results of the refreshing conditioner evaluation experiments are shown in table 2.
TABLE 2 Experimental results of in vitro Hair Strand test and sensory evaluation by consumers
As can be seen from the evaluation results, examples 1, 2 and 3 all had outstanding fullness, smoothness and antistatic effect on hair tresses and consumer evaluation.
Examples 4 to 6 and comparative examples 4 to 6:
the formulations are shown in the following Table 3, and the conditioners of examples 4 to 6 and comparative examples 4 to 6, which promote uniform enrichment of silicone oil, were prepared by a method comprising the steps of: according to the proportion, the components are added in turn under stirring at room temperature of 1500r/min, the pH value is adjusted to 5.5, and the stirring is carried out for 20 minutes until the components are completely dispersed.
TABLE 3 formulations of examples 4-6 and comparative examples 4-6
The results of the conditioner evaluation experiments of examples 4-6 and comparative examples 4-6 are shown in Table 4.
Table 4 experimental results of in vitro hair strand test and sensory evaluation by consumers
As can be seen from the evaluation results, examples 4, 5 and 6 all had a relatively outstanding fullness in both hair tresses and consumer evaluation, and also had excellent smoothness and antistatic effect.
Claims (9)
1. A hair conditioner comprises the following components:
(a) 1 to 15 parts by weight of an aqueous nonionic polyurethane dispersion;
(b) 4-20 parts by weight of a hair care conditioner;
(c) 5-15 parts by weight of an emulsifying thickener;
(d) 0.1-5 parts by weight of a humectant;
(e) The water-containing carrier is used in an amount that the sum of the parts by weight of the components in the hair conditioner is 100 parts by weight; the solid content of the aqueous nonionic polyurethane dispersoid (a) is 20 to 50 weight percent; the grain diameter is 10 nm-100 nm;
the aqueous non-ionic polyurethane dispersion (a) is a product obtained by reacting the following components:
s1: at least one diisocyanate in an amount of 5 to 25wt%;
s2: macromolecular polyalcohol with the number average molecular weight of 500-3000g/mol and the addition amount of 1-25wt%;
s3: at least one monohydric alcohol and/or dihydric alcohol of which the main chain and/or side chain contains polyoxyethylene chain segment, has 500-3000g/mol number average molecular weight, and is added in an amount of 1-20wt%;
s4: at least one diol micromolecular chain extender containing active hydrogen, which has the molecular weight of 60-400g/mol, and the addition amount is 0.1-10wt%;
s5: at least one diamine micromolecular chain extender containing active hydrogen, which has the molecular weight of 59-200g/mol, and the addition amount of 0.01-5wt%;
s6: a low-boiling organic solvent, the addition amount of which is 0.2 to 2 times of the total weight of S1 to S5;
s7: distilled water, the adding amount of which is 20-80wt%;
s8: the adding amount of the catalyst is 100-300ppm of the total weight of S1-S5;
the addition of each component is the content accounting for the total weight of the reaction system, wherein the total weight of the reaction system is the sum of the weight of S1-S5 and the weight of S7 and S8, and is 100wt%;
the hair conditioner contains silicone oil, and the content of the silicone oil is 0.5-10 parts by weight; the silicone oil is amino-terminated polydimethylsiloxane and/or dimethiconol;
the hair care conditioner comprises hexadecyl trimethyl ammonium chloride and mineral oil; the emulsifying thickener comprises cetostearyl alcohol and/or synthetic spermaceti.
2. The hair conditioner according to claim 1, wherein the particle size of the aqueous nonionic polyurethane dispersion (a) is 10nm to 60nm.
3. The hair conditioner according to claim 1, wherein the (a) aqueous nonionic polyurethane dispersion is a product obtained by reacting:
s1: at least one diisocyanate in an amount of 9 to 13wt%;
s2: macromolecular polyalcohol with the number average molecular weight of 1000-2000g/mol and the addition amount of 4-15wt%;
s3: at least one monohydric alcohol and/or dihydric alcohol of which the main chain and/or side chain contains polyoxyethylene chain segment, has 500-3000g/mol number average molecular weight, and is added in an amount of 7-10wt%;
s4: at least one diol micromolecule chain extender containing active hydrogen, which has the molecular weight of 60-400g/mol, and the addition amount is 1-5wt%;
s5: at least one diamine micromolecular chain extender containing active hydrogen, which has the molecular weight of 59-200g/mol, and the addition amount of 0.04-0.7wt%;
s6: a low-boiling organic solvent, the addition amount of which is 0.5 to 1.5 times of the total weight of S1 to S5;
s7: distilled water, the adding amount of which is 57-70wt%;
s8: the adding amount of the catalyst is 100-300ppm of the total weight of S1-S5;
the addition amount of each component is the content of the total weight of the reaction system, wherein the total weight of the reaction system is the sum of the weight of S1-S5 and the weight of S7 and S8, and is 100wt%.
4. The hair conditioner according to claim 1, wherein the monohydric alcohol and/or dihydric alcohol having polyoxyethylene chain segment in main chain and/or side chain in component S3 is selected from one or more of polyethylene oxide ether glycol and polyethylene glycol monomethyl ether.
5. The hair conditioner according to claim 1, wherein the monohydric and/or dihydric alcohols having polyoxyethylene chain segments in the main chain and/or side chain as component S3 are selected from Tego Chemie
D-3403, ymer N120 from Perstrop, inc., and MPEG1200 from Letian, korea.
6. The hair conditioner according to claim 1, wherein the molar ratio of the isocyanate groups of the diisocyanate component S1 to the hydroxyl groups of the macropolyol component S2 is 1.85 to 4.5.
7. The hair conditioner according to claim 1, wherein the polyoxyethylene segment content is 20% or more by weight based on the solid content of the aqueous nonionic polyurethane, and is at the terminal or pendant group of the molecular chain.
8. The hair conditioner according to claim 1, wherein the aqueous carrier comprises the following composition:
0-1 part by weight of a pH regulator;
0-3 parts by weight of essence;
0-3 parts by weight of an emulsifier;
0-0.5 parts by weight of a chelating agent;
0-1 parts by weight of a sunscreen agent;
0-1 part by weight of a bactericide;
0-1 weight part of pearling agent.
9. The hair conditioner according to claim 1, wherein the silicone oil is contained in an amount of 0.5 to 5 parts by weight.
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| CN114504512A (en) * | 2022-01-25 | 2022-05-17 | 广东柏俐臣生物科技有限公司 | Grease-proof and anti-collapse shampoo and preparation method thereof |
| CN114588076A (en) * | 2022-04-08 | 2022-06-07 | 杭州悦萱堂化妆品有限公司 | Silicon-free hair conditioner |
| CN114767575B (en) * | 2022-04-27 | 2024-02-23 | 广州禾力生物科技有限公司 | Fluffy shampoo composition |
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