JPS617A - Hair tonic and permanent waving composition - Google Patents

Abstract

Composition for strengthening hair and for imparting a permanent configuration thereto comprising an alkyltrialkoxysilane and a solvent.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to compositions for hair strengthening and permanent waving, and more particularly to reactive silicone hair strengthening and waving compositions.

Hair care is one of the most important parts of beauty care and includes a wide variety of hair treatment products. To do this, it is used in the form of Buri shampoo conditioner, shampoo, after shampoo conditioner, conditioner, setting lotion, spray, dye (hair dye), bleach (heading agent), permanent waving agent, etc. These products not only give the hair the desired results, such as shine, curlability, softness, color and an overall attractive appearance, but they also give the hair the desired results, especially without professional advice. ＼When used, it can also damage your hair. Hair damage can also occur from other sources such as combing, humidity, dryness, dirt, sunlight, such as ultraviolet and infrared radiation, and environmental pollution.

However, hair damage is mostly caused by physical and chemical damage to the hair as a result of bleaching or applying Fi, the use of oxidizing dyes, straightening hair curls with alkaline relaxants, and restoring wavy and curly hairstyles. It occurs in the form of change.

Hair damage may occur slowly and in various ways with frequent hair ``treatments.'' Prolonged use of various agents in hair treatment products can result in a weakened hair tissue structure. An example of this undesirable effect is when the natural structure of the hair is changed, by stretching out curls or curling straight hair. The hair is acted upon by a composition that softens the hair by breaking it to form free sulfhydryl groups. Cleavage of the disulfide bonds reduces the stiffness of the hair proteins, making the hair more pliable and flexible.

The most widely used relaxant (softens the hair and extends the perm,
Composition a used as a drug for reversing
Sodium hydroxide, sulfite, or thioglycolate. When using a thioglycol composition as a relaxant, the hair is treated with an oxidizing agent, such as a peroxide, to impart stiffness to the hair. This operation, especially the reduction operation, can be carried out either at room temperature or at heated gA degrees. For both types of hair treatments, cold and hot permanent treatments, it is necessary to visually observe the condition of the hair and determine the temperature. After all, the condition of the hair, whether it has a straight perm or a regular curly perm, is highly dependent on the subjective judgment of the salon staff, and more often due to subjective factors, the condition of the hair is permed. Either it's not enough or it's too much.

In addition to the problem of over-perming or under-perming, hair treated with oxidizing hair products lacks the desired texture.
It feels rough and difficult to comb, and requires further treatment with conditioner. In order to normalize these hair conditions, manufacturers of hair treatment moxibustion products usually use acidic,
After-treatment conditioners are often sold as part of kits with oxidizing formulations. Other 1t
! ) Products include special hair conditioning agents that are compatible with oxidizing agents, such as nonionic and cationic agents.

Hair conditioning agents are not only used in conjunction with oxidizing agents or for post-treatment of oxidizing agents, but are also widely used, for example after hair washing, to help condition and make the hair more manageable. Hair treated with a conditioning agent can also be easily detangled after washing, is easy to comb, has neat rows when dry, and has a pleasant feel to the touch. The action of conditioning agents, especially cationic conditioning agents, on hair is due to the attraction of positively charged agents to negative sites on hair proteins and the resulting deposition of agents onto the hair fibers.
This is thought to occur due to this.

Cationic or interfacial T-occupying agents are used exclusively as hair conditioning agents in cream rinses and shampoos. Best results have been obtained with cationic surfactants that are long chain high molecular weight quaternary compounds or amine salts of long chain fats. The positive charge of the quaternary surfactant is attracted to the negatively charged surface of the hair proteins, imparting wetting properties when combed wet and the desired texture after drying.

Another type of agent deposited on the hair that has been used in the prior art11 is an organosilicone, which has hydrolyzable groups on silicon atoms that hydrolyze to the corresponding silanol and deposit on the hair. The organosilicone polymer is condensed onto the fiber to coat it and provide a body that is utilized for both conditioning and setting the hair.

Although the above-mentioned conditioning agents do provide substantial benefits to the hair, they do not strengthen the hair structure, and the foregoing explanations address some of the problems associated with hair care and the problems provided by the prior art. I'll show you a solution.

<Objective and Features of the Invention> The present invention provides that the condition of weakened hair on the scalp is caused by
It is concerned with the treatment and strengthening of weakened hair, whether due to the environment or hair treatment agents added to it.

The present invention is based on the α0 formula [where R1 is Cl-Cl, aliphatic groups of carbon atoms, such as methyl, ethyl, furoyl, butyl, hexyl, octyl, tecyl, octadecyl; 8-aminopropyl, N,
a substituted fatty group selected from the group consisting of N-diethyl-8-aminopropyl, and N-(propyl)urea; or an alkenyl group, such as vinyl and allyl; R2 is C, -C, a carbon atom; aliphatic groups, such as methyl,
ethyl, propyl and butyl, and a solvent for the alkyltrialkoxysilane. This solvent consists of an aqueous solution of water, ethanol, isopropyl alcohol, tunoxy/-4, Xld ethanol, isopropyl alcohol, or nonoxynol-4.

The present invention relates to a composition for strengthening the tensile strength of hair, which contains the following.

To obtain the composition according to the invention, a solution is prepared by adding the alkyl alkoxysilane to a suitable solvent while stirring. The composition comprises about 0.5 to 40% and more preferably 2 to 10% υ/υ of alkyltrialkoxysilane in a solvent. Preferred solvents are ethanol, inpropyl alcohol, or an aqueous solution of nonoxynol-4, with water making up about Z 096 v/v or less of the total solvent volume.

The aforementioned silanes are stable for several days in an alcohol/water phase with o-2 oyts of water, but are preferably prepared immediately before application to the hair. If this solution is left in the presence of water for a long period of time, excessive polymerization and premature precipitation of the silane can occur, reducing the effectiveness of the composition for its intended purpose.

The method of applying this composition is to apply the composition to the hair by dipping the washed hair into the composition, or to apply the composition to the hair with an applicator and move it through the hair with fingers and a comb. Included. The treatment is completed by blow drying the hair using hot air.

(Reactive alkyl having 8 alkoxy groups that are susceptible to chemical changes) IJ alkoxysilane wire, hydrolyzed in the presence of water to form 8 reactive silanol groups, The invention is based on the discovery that these molecules then condense with each other to form oligomers. This oligomer then hydrogen bonds with functional groups (hydroxyl, amine, carboxyl, sulfhydryl, etc.) that have active hydrogen in the hair. Upon drying or curing, a stable covalent bond with the hair is formed with a simultaneous loss of water.

Although curing may occur at elevated temperatures, it is preferred to accelerate the reaction by drying the hair using a hot air dryer. The addition of heat accelerates the evaporation of the solvent and reaction by-products. -Once water is removed from the hair,
The bonds formed are stable to hydrolytic action. The degree and rate of polymerization of the silane depends on the available hydrocarbons and the organic substituents on the silane.

This property of the silane of the present invention is such that when it is applied to the hair,
It increases the strength of the hair, allows the hair to retain its curly form, and makes the hair easier to handle.

The silanes of the present invention are either commercially available or can be prepared using commercially available raw materials and reagents by methods known in the art.

Silanes are solubilized in ethanol, isopropyl alcohol and many other organic solvents; however, for purposes of this invention, the preferred solvent for silanes is zO vol%
A water/alcohol mixture containing: This composition allows sufficient water to be available for hydrolysis of the silane and/or swelling of the hair fibers for greater penetration of the active ingredient prior to the coupling process. In a medium of such composition, the total (unexpected) stability to water is determined by the haze development (sedimentation of the siloxane polymer) time. The solution remained clear for several days. It was observed that as the water volume increased by more than 20% of the total solvent composition, faster haze development and precipitation of the siloxane polymer occurred. , making the composition less effective for its intended purpose.

Test methods related to the present invention and Examples are as follows.

Tensile Strength This test is performed using a constant elongation rate tester such as Instron [
1nstron] Concerning the measurement of the force required to break a hair sample (tensile strength at the breaking point) using a tensile testing machine.

The long tresses to be tested are placed in a 50X relative humidity chamber for at least 24 hours prior to use. Twenty randomly selected strands of hair from each long strand are used for the test. A 2 inch long section is cut from each hair tress and weighed to the nearest 0.1 microgram. Place the weighed cut portion in distilled water and hydrate/soak for at least 16 hours.

Each hydrated hair sample is placed between the jaws of an Instron tensile tester set 1 inch apart and tightly squinted. The tensile strength is measured according to the method of the long-term equipment. Tensile strength is measured by the force required to break a strand of hair. This power is @
It is expressed using the y force per directional product of the hair strand.

The silicon content of treated hair can be determined by silicomolybdate (°C) or molybdenum blue using the Hibi quantitative method.
Therefore, the results are calculated as silane. Approximately 0.7y soil 0
．． Place lIrTg's hair accurately in a beaker.
Add 5 tnt of concentrated nitric acid. Heat the sample to dryness and repeat the addition of nitric acid and heating until a white residue is left in the beaker. Next, 10 months of hydrochloric acid was cooled in a beaker at 0.degree. C., and the contents were suctioned using a membrane filter. The beaker is washed with 1:1O hydrochloric acid to remove the liquid. Place the filter at the bottom of a polyethylene beaker and add 1.0-〇Hydrogen fluoride W! Add to handle the filter. Next, cover the beaker and leave it for 80 minutes.

The 25-g water and 50-g boric acid solution is then added with stirring and the solution heated to 40°C in a water bath for at least 10 minutes.

Add 4 portions of molybdic acid reagent while stirring. Then, after 20 minutes, add 20-IOA/sulfuric acid with stirring.

If the yellow color persists, read on a photoelectric spectrophotometer manually at 20 nm against distilled water within 2 minutes after acidifying the solution.

When a colorless solution is obtained, let the solution stand for 2 to 5 minutes, add the minnow 2-naphthol-4-sulfonic acid reagent, then mix and read at 8ZOsm after 20 minutes. .

Yellow silicomolybutylene/acid concentration range (4ZOnm) calibration curve sample properties, set aside silicon (1~/ml of standard product 0.
5, 1, 2, and 8 td'a - Prepared by performing the above-mentioned operations, including the step of diluting 25 times in a polyethylene beaker and heating the solution for at least 10 minutes. . After the above steps are completed, reduce the absorbance to 4”l.
Read with Onrn. Next, measure the absorbance in m? Plot against silicon. Molybdenum blue concentration range (820nm)
'However, 50% of the silicon standard product (]-m&/d)
100.200 and 500 microliters are diluted to 25 in a polyethylene beaker and processed as described above for the silicomolybdate calibration curve. Absorbance is read at 820 nm.

The concentration of silicon is obtained from a suitable calibration curve. The measurements and methods are as follows: <Example> Example 1 A hair sample weakened in advance with sodium hydroxide was treated with ethyltriethoxysilane (Petarch Syate).
tn, s 1 Inc, t Lgv-ittovyn
+ 8.0% υ/υ of ethanol/
Soaked in water (80/20) mixture solution. The hair was rinsed free of excess silane and blow dried using a hot air dryer for approximately 10 minutes to cure. Hair was tested using the method described above. The results were as follows: α,
Hair treated with sodium hydroxide solution showed a decrease in tensile strength from 11 to 143'6.

60 Sodium hydroxide weakened hair that was then treated with a silane-containing composition had an increase in tensile strength from 97 to within 98,316 of its original (pre-treatment) tensile strength.

C. Hair weakened with silane-treated sodium hydroxide is calculated as ethyltriethoxysila/0.
4 to 1.4 wt% υ/υ silicon.

Example 2 A 95% V/V nonoxynol-4 solution of ethyltriethoxysilane was prepared. Immediately before treatment of the hair, 40 parts of the silane/nonoxynol-4 phase was added to 10 parts of water with stirring.The hair comb, previously weakened with sodium hydroxide, was wetted with the silane/nonoxynol-4/water solution. The solution was left on the hair for 80 minutes. The hair was rinsed until the Per%@1 solution was removed and blow-dried using a hot air dryer. The test results showed an increase of 10 points in the tensile strength of the hair. The data was obtained.

Example 8 A natural (i.e., never-permed) hair sample was treated with 45% sodium hydroxide using 296 water-soluble Wf.
I processed it into parts and damaged it badly. The alkali-damaged samples were washed with a pH 7 shampoo to restore the acid balance, dried at ambient temperature and divided into equally sized sets of tresses. Select 8 bunches and treat each for 80 minutes Example 2
of the silane-containing composition, cured and blow dried.

The methods used to treat the eight strands were identical except for the removal of excess silane. Instron testing was performed on all chambers. The results and method of excess silane removal are shown in Table 1.

Table 1 Instron results for treated tresses Control, natural hair 20 29.49 0
．． 61 (Note: The same applies to the following tables) n...Number of measurements The strands show a marked increase in strength (approximately 15-20 degrees Celsius). The lack of significant differences in hair strength between the silanized tresses indicates that the method of removing excess treatment agent from the hair does not affect the strength of the hair.

When hair is strained into the desired hairstyle using curling rollers or rods, treated with the silane-containing composition of the present invention, and blow dried, the silane bound to the hair is removed from the hair. It has been found that not only does it increase strength, but it also keeps the hair in its original dry shape. This effect is due to the weakening of alkaline hair and natural hair.
It was shown in any of the hair. The resulting permanent waves retain their shape even after repeated hair washing and are resistant to the tendency of the perm to distort and return to the shape of the hair before the perm. There is.

Example 4 Dark brown natural hair samples from a single lot were
The θ% sodium lauryl sulfate solution was purified, rinsed with tap water, and blow dried at room temperature. Sample length 1
It was divided into 18 bunches of 0 inch and weight IJ. One bunch was chosen as a "native control" and the other five bunches were set aside for silanization. The remaining 12 bunches were set aside for alkaline treatment. Before processing, gently comb each tress and separate it with a curling rod (C%rli
ng rods). The alkali treatment was carried out by immersing the wrapped material in a t-2.0% sodium hydroxide solution for 1 hour. Each month was then rinsed under running tap water for at least 10 minutes. The rolled tresses were dried with a towel, soaked in a pH 7.0 buffer for 1 hour to restore the acidic balance, and thoroughly rinsed to remove the µrg.

The rolled tresses were finally dried at room temperature.

Equimolar ethanol/water (80:20) solutions of the silanes listed in Tables 2 and 8 were prepared separately to carry out the silylation. The native and alkali-treated tresses wound on rolls were treated separately for 30 minutes with 100 ffft of 0.26 M silane solution. After silane treatment, the rolled tresses were blow-dried for 4 minutes using a 600 watt blow dryer and water was sprinkled throughout. The rolled tassels were left to stand for 85 minutes, and finally, a hair dryer was set on a high temperature and blow-dried for 15 minutes. Native and alkali-treated controls that were not silylated were also subjected to the same drying process. The hair tresses were allowed to equilibrate to room temperature and then carefully unwound from the curling lot and placed on a curl holding plate (
Curl Veten was on board). The mounted samples were then placed at 100 below/95X relative humidity. Curl retention data was taken periodically over a 24 hour period. Remove the tassels from the pot, soak for 1 minute under running tap water, dry, soak for another 80 minutes in a cup of cold water, remove, air dry, jump twice and rinse again.

Curl stability was determined by evaluating the length and pattern of the final curl of the six tresses. Data and comments are summarized in Cloth 2 and Table 8.

Clothes 8 Sample Concentration control natural hair 0.00: L
'/-16 octatecyltriethoxy 1
0.84 1 12. '78 Silane Octyltriethoxysilane? , 20 1
11.048-aminopropyltri
4.70 1 11.35 Ethoxysilane Vinyltriethoxysilane 4.90
1 11.%14N-() lJc Toxysilyl 6.90 1 10.88 propyl) in urea All solutions have a molarity ((j, 2 tll of silane'
fi:□u9 comments Almost curly, no S-wave pattern, very good body waves, very light body waves, good body waves, good body waves, fair body waves. Example 5 From a single lot of dark brown natural hair, each weighing 1.5±0.1,9. 10 inches long) iJ Rei・
I made a lot.

A pair of two tresses randomly waved with permanent waves;
GID Professional Formula CColL
agen Am, i? I.

Ac1d Professional Formbl
14 natural hair strands were wrapped around a rod and treated with Soaked in 2X sodium chloride solution for an hour.The wrapped tresses were rinsed until the alkali was hot, then the pH
The acid balance of the hair was restored by treatment with a 7.0 buffer. The cells were rinsed free of buffer and processed as described in Tables 4 and 5. The method used for the evaluation and curing of the alkali-treated hair in Section 7 was the one described in Actual M11 and Section 14. Control samples were also heated for the same amount of time. All so treated bunches were allowed to equilibrate under ambient conditions of temperature and humidity.

After equilibration, the tresses were carefully removed from the curling rod and the length of each curl was carefully measured to 0.1 crrL.

After attaching to the curl retainer, store the tresses at 100″F for 24 hours.
/95 circle relative humidity. Next, remove the tassels from the board and flush them with running tap water for 1 minute, then soak them in a beaker of water for another 80 minutes, then take them out and jump in Flex Shampoo twice until the soap runs out. The final curl length and shape of each layer were carefully evaluated to determine curl stability.

The results are shown in Table 4 and Cloth 5.

Clothing 4 Curl retention alkali treatment control 'i
iu・2-alkali treatment/FJ%ETES
"1 1 F>-4-alkali treatment/80y6ETBS" l
16. U-alkali treatment/urea expansion '-90
XETES' l lts, ii+
-Alkali treatment/salt swelling 4-809B: TES”
l 14. ．． 2-Alkali treatment/D
8CjXETES' in ET'' 2, l5
-2 -M00 Alkali%R/DMF"NakanoBONET
E! 3” 2 1, i, l :lij,
ZO permanent wave 7Ii: control
2' l(i, 7 4O-60 (Table 4.5
Notes for smokers) (1) ETBS = ethyltriethoxy7 run (8(1
/11 Alcohol (2) DET-Diethyl Tolamide (8) DMF = Diethyl Formamide (4) Salt #Jun...Before silane treatment, hair was treated with 28M
LiCl3/ U-5hi N'al? (5) Urea swelling... Shira/Prior to treatment, the hair is 4M urine accumulated #', i1
In autumn, Kokoro comments Haku\Kana curls, S-No wave pattern, good S
- Good wave pattern ys - Wave pattern Good S- Wave pattern Good S- Wave pattern Very N feminine S- Wave pattern Very tight curls for a woodcutter Very good S- Wave pattern tool/contrast of natural hair swollen with aqueous solution GO4 water bath 2
6.9” Natural hair / 5 X A' T E
S ” 2 12-2 innate t7) 1\
(D14 hair/*swell fr4'-5jJ6ETEs"
2 12.6 innate (Di＼(Dm hair 7Wg swelling)
-596 ETBS" 2 ] 2.6 Al alkali treatment control 27.5 Alkali treatment 15 NETES" Z
i24 alkali treatment/urine purple swelling'-555ETES”
2il, power to 47! JlfjM
/Salt puff 'llr'-596ETB S" 2
10-4 Comment Sat 0.60 Very slight curl, S-wave.
No pattern ±0.80 Good body wave,
:l2(J 艮λfna body wave±O
Good body wave soil υ ~te im b-It ly-A/,
B-Wave pattern ML expert 0 Good S-
Wave pattern: O Good S-Wave pattern: i, oo i Must-have S-Wave pattern However, it produced an equivalent curl pattern, and was actually thicker than the curls produced by the alkali-treated control. "Shape Memory" of Curls Alkali-zolylated tresses retained their curls even after repeated shampooing.

Table 5 shows that the silane composition of the present invention gave good stable curls to alkali-treated hair, and furthermore, the curl retention of native hair was improved after silylation due to the formation of a stable body wave pattern. This shows that there will be improvements in the text.

It is to be understood that improvements and modifications may be made without departing from the spirit and scope of the novel concept of the invention.

Procedural amendment (method) % formula % 1. Indication of the case 1985 Patent Application No. 76902 2. Name of the invention Composition for hair strengthening and permanent waving 3. Person making the amendment Relationship with the case Patent applicant name Revlon Incorporated 4, agent 5, engraving of the handwritten specification attached to the application subject to amendment 6, contents of the amendment as shown in the attached sheet, but no amendments have been made to the contents.

Claims (1)

[Claims] 1, a, formula: ▲There are mathematical formulas, chemical formulas, tables, etc.▼ [However, R_1 is an aliphatic group of C_1-C_1_8 carbon atoms; 3-aminopropyl, N,N-diethyl-3- a substituted aliphatic group or alkenyl selected from the group consisting of aminopropyl and N-(propyl)urea; R_2 is an aliphatic group of C_1-C_4 carbon atoms; and b, the alkyl A composition for strengthening the tensile strength of hair, comprising a solvent for trialkoxysilane. 2. The composition according to claim 1, wherein the aliphatic group is methyl, ethyl, propyl, butyl, hexyl, octyl, decyl or octadecyl. 3. The composition according to claim 1 or 2, wherein alkenyl is vinyl or allyl. 4. The composition according to any one of claims 1 to 3, wherein the solvent is water, ethanol, isopropyl alcohol, or nonoxynol-4. 5. The composition according to any one of claims 1 to 3, wherein the solvent is ethanol, isopropyl alcohol, or an aqueous solution containing nonoxynol-4. 6. The composition of claim 5, wherein water constitutes less than about 20% υ/υ of the solvent. 7. The composition according to any one of claims 1 to 6, wherein the alkyltrialkoxysilane is present in an amount of about 0.5 to 40% υ/υ of the total volume of the composition. 8. 98-90% alkyltrialkoxysilane in an amount of about 2 to 10% υ/υ based on the total volume of the composition.
The composition according to any one of claims 1 to 7, which is present in a solvent of υ/υ. 9. Alkyltrialkoxysilane is octadecyltriethoxysilane, n-octyltriethoxysilane, 3
-aminopropyltriethoxysilane, vinyltriethoxysilane, n(triethoxysilylpropyl)urea or ethyltriethoxysilane
The composition according to any one of items 8 to 9. 10. In the hair strengthening method, a. Formula (1): ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ [However, R_1 is an aliphatic group of C_1-C_1_8 carbon atoms; 3-aminopropyl, N, N - a substituted aliphatic group or alkenyl selected from the group consisting of diethyl-3-aminopropyl and N-(propyl)urea; R_2 is an aliphatic group of C_1-C_4 carbon atoms]. and (2) applying an effective amount of a composition for strengthening the tensile strength of hair containing the solvent for the alkyltrialkoxysilane to the hair, and (b) applying heat to the hair to cure it. A hair strengthening method characterized by: 11. The method according to claim 10, wherein the hair is hair that has been treated with an alkali. 12. The method according to claim 10 or 11, wherein the hair is natural hair. 13. The method according to any one of claims 10 to 12, wherein the hair is set into a desired hairstyle prior to step (α). 14. The method according to any one of claims 10 to 13, wherein the hair is pretreated with an alkali or thioglycolate before applying the composition.