CN114908603A - Finishing liquid composition and application thereof - Google Patents
Finishing liquid composition and application thereof Download PDFInfo
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- CN114908603A CN114908603A CN202210403257.6A CN202210403257A CN114908603A CN 114908603 A CN114908603 A CN 114908603A CN 202210403257 A CN202210403257 A CN 202210403257A CN 114908603 A CN114908603 A CN 114908603A
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- hyaluronic acid
- salt
- finishing liquid
- liquid composition
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K10/00—Body-drying implements; Toilet paper; Holders therefor
- A47K10/16—Paper towels; Toilet paper; Holders therefor
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
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- Agricultural Chemicals And Associated Chemicals (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The application discloses a finishing liquid composition and application thereof, wherein the finishing liquid composition comprises grease, and the particle size D of the grease 50 The finishing liquid composition is coated in a tissue base material at 1300nm of 300-.
Description
Technical Field
The application relates to the technical field of paper product preparation, in particular to a finishing liquor composition and application thereof.
Background
Sodium hyaluronate (HA, also known as hyaluronic acid, or hyaluronic acid) is a natural moisturizing ingredient and HAs been widely used in pharmaceutical products and personal health consumer products. In recent years, hyaluronic acid paper towels are appearing in the consumer product market, and HA is added to improve the skin care performance of the paper towels.
However, due to the presence of a large number of hydroxyl and carboxyl groups in the HA molecule, HA can form strong hydrogen bonds with the cellulose of the tissue. Therefore, it is difficult to transfer HA from the surface of the paper towel to the surface of the skin during the rubbing of the paper towel against the skin, and thus it is difficult to achieve the skin care effect of HA.
In order to improve the migration of HA in the process of rubbing paper towels and skin, grease and HA can be combined and coated on the paper towels, and strong hydrogen bonding between HA and cellulose is blocked through the water repellency of the grease. However, the addition of oil or fat affects the water absorption of the tissue.
Disclosure of Invention
In order to solve the problems, the application provides a finishing liquid composition and an application thereof, wherein the finishing liquid composition contains grease, the particle size D50 of the grease is controlled within 300-1300nm, and when the finishing liquid composition is coated on a tissue base material, the finishing liquid composition does not affect the water absorption performance of the tissue under the condition of ensuring the mobility of hyaluronic acid.
The specific technical scheme of the application is as follows:
1. a finishing liquid composition comprising an oil or fat, the oil or fat having a particle diameter D 50 300-1300 nm.
2. The finishing liquid composition according to claim 1, wherein the oil or fat is 3 to 20% by mass, preferably 3 to 8% by mass, in the finishing liquid composition.
3. The finishing liquor composition according to claim 1 or 2, wherein the finishing liquor composition further comprises hyaluronic acid or a salt thereof, preferably the hyaluronic acid or the salt thereof is 0.01-0.5%, preferably 0.1-0.2%, by mass of the finishing liquor composition.
4. The finish composition of any one of claims 1 to 3, further comprising an emulsifier, preferably the emulsifier is a nonionic or anionic surfactant, preferably the nonionic surfactant is selected from one or more of tween-20, tween-80, ceteareth-6, ceteareth-25, cetearoliveoleate and sorbitan oliveoleate, preferably the anionic surfactant is selected from one or more of sodium stearoyl glutamate, sodium laurate, sodium dodecyl benzene sulfonate, sodium dodecyl sulfate and sodium oleate.
5. The finish composition of any of claims 1-4, wherein the finish composition further comprises a polyol.
6. The finish composition of any one of claims 3-5, wherein the hyaluronic acid or salt thereof is a first hyaluronic acid or salt thereof or a second hyaluronic acid or salt thereof or a cross-linked hyaluronic acid or salt thereof or a combination of a first hyaluronic acid or salt thereof and a second hyaluronic acid or salt thereof or a combination of a first hyaluronic acid or salt thereof and a cross-linked hyaluronic acid or salt thereof or a combination of a second hyaluronic acid or salt thereof and a cross-linked hyaluronic acid or salt thereof or a combination of a first hyaluronic acid or salt thereof, a second hyaluronic acid or salt thereof and a cross-linked hyaluronic acid or salt thereof.
7. The finishing liquid composition according to any one of claims 1 to 6, wherein the number of carbon atoms of the oil or fat is 20 to 50.
8. Use of the finishing liquor composition of any of claims 1-7 in paper products.
9. A tissue, comprising:
a substrate; and
the finish of any one of claims 1-7 coated on a surface of a substrate.
ADVANTAGEOUS EFFECTS OF INVENTION
The finishing liquid composition comprises grease, and the particle diameter D of the grease 50 The particle size of the grease is controlled within the range of 300-1300nm, and the finishing liquid composition is applied to the paper towel, so that the water absorption performance of the paper towel is not influenced under the condition of ensuring the HA migration property.
Drawings
FIG. 1 is a flow chart of the coating process.
FIG. 2 is a flow chart of HA determination in imitation leather, wherein FIG. 2A is a schematic illustration of a paper towel being fixed to a cube-weight, and FIG. 2B is a schematic illustration of a method of a tribomigration test.
Wherein, 1-paper towel base material, 2-first guide roller, 3-second guide roller, 4-third guide roller, 5-fourth guide roller, 6-squeezing roller, 7-transfer roller, 8-dipping roller, 9-material groove, 10-fifth guide roller, and 11-coated paper towel
Detailed Description
The present application is described in detail below. While specific embodiments of the present application have been illustrated, it should be understood that the present application may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It should be noted that certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, various names may be used to refer to a component. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description which follows is a preferred embodiment of the application, however, the description is made for the purpose of illustrating the general principles of the application and is not intended to limit the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.
The application provides a finishing liquid composition, which comprises grease, wherein the particle size D of the grease 50 Is 300-1300 nm.
Particle diameter D of oil or fat 50 Can be 300nm, 400nm, 500nm, 600nm, 700nm, 800nm, 900nm, 1000nm, 1100nm, 1200nm, 1300nm, etc.
The oil and fat containing hydrocarbons is oil and fat containing hydrocarbons, namely the oil and fat can be pure hydrocarbon oil and fat such as mineral oil, petrolatum, squalane and the like, and can also be oil and fat containing part of hydrocarbons such as beeswax and the like, and the carbon number of the oil and fat is 20-50.
The finishing liquid composition is coated on a paper towel base material, so that the migration performance of the paper towel is not influenced on the basis of ensuring the migration performance of hyaluronic acid.
In some embodiments, the particle size D for the grease 50 It can be determined by methods conventional in the art, for example by conventional methods for measuring particle size, for example by assaying forEstablishing a relevant function model by the Brownian motion of nano particles in a colloid system, calculating a diffusion coefficient, calculating the particle size distribution of the particles, calculating the equivalent particle size distribution of the particles by an Einstein-Stokes equation, diluting a sample, testing the sample in a particle size instrument to obtain a particle size distribution density curve, and integrating the distribution density curve to obtain the particle size D50, more specifically, diluting 1g of a sample to be tested by 1000 times of purified water, and then placing 1.8-3 ml of the diluted sample in a quartz glass sample pool.
And (4) placing the sample pool into a sample groove of a particle size analyzer for testing. The test temperature was set at 25 ℃ and the particle size distribution curve was measured.
The particle size distribution density curve is integrated between 0nm and T nm. When the integrated values reached 49.9% to 50.1%, T nm was recorded as D50.
In the present application, the particle diameter D50 of the fat or oil is a particle diameter measured after emulsification. As for the emulsification method, the present application is not limited, and it can be selected according to the need, for example, adding the emulsifier and the oil and fat into water for high pressure homogenization, controlling the particle size of the oil and fat within the range of 300-1300nm, then adding the polyol and the hyaluronic acid or the salt thereof for mixing to obtain the finishing liquid composition, for example, adding the emulsifier and the oil and fat into water, heating to 60-70 ℃ for high pressure homogenization, controlling the particle size of the oil and fat within the range of 300-1300nm, then adding the polyol and the hyaluronic acid or the salt thereof for mixing to obtain the finishing liquid composition.
In some embodiments, the oil or fat is present in an amount of 3 to 20%, preferably 3 to 8%, by mass of the finishing liquid composition.
For example, the oil or fat may be 3%, 4%, 5%, 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, or the like, in terms of mass% in the finishing liquid composition.
In some embodiments, the finishing liquid composition further comprises hyaluronic acid or a salt thereof, preferably, the hyaluronic acid or a salt thereof is 0.01 to 0.5%, preferably 0.1 to 0.2% by mass of the finishing liquid composition.
In the present application, as for the salt of hyaluronic acid, it is a metal salt of hyaluronic acid, and as for the specific metal salt, the present application is not limited at all, and it may be selected conventionally according to the needs of the art, for example, the metal salt of hyaluronic acid may be a sodium salt of hyaluronic acid, a magnesium salt of hyaluronic acid, a zinc salt of hyaluronic acid, a calcium salt of hyaluronic acid, or the like, and preferably a sodium salt of hyaluronic acid may be used.
The content of hyaluronic acid or a salt thereof in the finishing liquid composition may be 0.01%, 0.05%, 0.1%, 0.2%, 0.3%, 0.4%, 0.5%, or the like.
In some embodiments, the hyaluronic acid or salt thereof is a cross-linked hyaluronic acid or salt thereof.
The cross-linked hyaluronic acid or salt thereof refers to a derivative formed by chemically modifying hyaluronic acid or salt thereof, and linear hyaluronic acid molecules are connected into a spatial network structure after being modified by a cross-linking agent.
In some embodiments, the hyaluronic acid or salt thereof has a molecular weight of 1000-300W Da. In some embodiments, the hyaluronic acid or salt thereof is a first hyaluronic acid or salt thereof or a second hyaluronic acid or salt thereof, preferably the first hyaluronic acid or salt thereof has a molecular weight of 1w-5w Da; the second hyaluronic acid, or salt thereof, has a molecular weight of 50w-100w Da.
In some embodiments, the hyaluronic acid or salt thereof is a first hyaluronic acid or salt thereof or a second hyaluronic acid or salt thereof or a cross-linked hyaluronic acid or salt thereof or a combination of a first hyaluronic acid or salt thereof and a second hyaluronic acid or salt thereof or a combination of a first hyaluronic acid or salt thereof and a cross-linked hyaluronic acid or salt thereof or a combination of a second hyaluronic acid or salt thereof and a cross-linked hyaluronic acid or salt thereof or a combination of a first hyaluronic acid or salt thereof, a second hyaluronic acid or salt thereof and a cross-linked hyaluronic acid or salt thereof.
The mass ratio of the above-mentioned combination is not limited in this application, and it may be performed as often as necessarySelecting, for example, the mass ratio (m) of the first hyaluronic acid or a salt thereof to the second hyaluronic acid or a salt thereof First hyaluronic acid or salt thereof :m A second hyaluronic acid or salt thereof ) Is 1: 0.1-10;
mass ratio (m) of the second hyaluronic acid or salt thereof to the crosslinked hyaluronic acid or salt thereof A second hyaluronic acid or salt thereof :m Cross-linked hyaluronic acid or salt thereof ) Can be 1: 0.1-10;
mass ratio (m) of the first hyaluronic acid or salt thereof to the crosslinked hyaluronic acid or salt thereof First hyaluronic acid or salt thereof :m Cross-linked hyaluronic acid or salt thereof ) Can be 1: 0.01-1.
Preferably, the mass ratio (m) of the first hyaluronic acid or salt thereof, the second hyaluronic acid or salt thereof and the crosslinked hyaluronic acid or salt thereof First hyaluronic acid or salt thereof :m A second hyaluronic acid or salt thereof ：m Cross-linked hyaluronic acid or salt thereof ) Can be 1:1:1 or 1:1:0.5 or 1:1:0.1
In some embodiments, the composition further comprises an emulsifier, preferably the emulsifier is a nonionic or anionic surfactant, preferably the nonionic surfactant is selected from one or more of tween-20, tween-80, ceteareth-6, ceteareth-25, cetearyl olivate and sorbitan olivate, preferably the anionic surfactant is selected from one or more of sodium laurate, sodium dodecylbenzenesulfonate, sodium lauryl sulfate and sodium oleate.
In the present application, the content of the emulsifier in the finishing liquid composition is not limited in any way, and may be conventionally selected as needed, for example, the content of the emulsifier in the finishing liquid composition may be 0.5 to 10%.
In some embodiments, the finish composition further comprises a polyol. The type of polyol is not limited in this application and may be selected as desired, for example, the polyol may be glycerol, ethylene glycol, butylene glycol, and the like.
The content of the polyol in the finishing liquid composition is not limited in this application and may be selected as desired, for example, the content of the polyol in the finishing liquid composition may be 0.1 to 80%.
In some embodiments, the finish composition further comprises a water-soluble active ingredient, preferably, the water-soluble active ingredient is selected from one or more of ectoin, ergothioneine, gamma-aminobutyric acid, amino acids, and proteins.
The content of the water-soluble active ingredient in the finishing liquid composition is not limited in any way, and may be selected as desired.
In the present application, the preparation method of the finishing liquid composition is not limited in any way, and it can be selected conventionally according to the need, for example, it can be prepared by a high pressure homogenization method, for example, mixing emulsifier, oil and water, homogenizing, and controlling the emulsified particle size D of oil and fat 50 And mixing with hyaluronic acid or its salt and glycerol, preferably mixing emulsifier, oil and fat with water, adding into 60-70 deg.C, and homogenizing under high pressure.
The application provides the use of the finishing liquid composition in paper products.
The application provides a paper towel, which comprises a base material and the finishing liquid composition.
Regarding the water absorption performance of a tissue, it is estimated from the principle that the contribution is made by two factors:
(1) capillary phenomenon of the inner pore channel of the paper towel fiber;
(2) capillary phenomenon of the interstices between the fibers of the tissue.
The oil is coated on the paper towel, and if the two factors can not be influenced, the water absorption capacity of the paper towel cannot be negatively influenced. Thus, the desired microstructure after application of the grease should be such that the grease spreads evenly over the surface of the fibers, does not enter the pores within the fibers, and does not stick to the interstices between the fibers.
The inventor of the application creatively discovers that when the particle size D50 of the grease of the finishing liquid composition is controlled within the range of 300-1300nm, the migration of hyaluronic acid can be ensured, namely the migration rate is more than 5%, and the absorption performance of the tissue is not influenced.
In the present application, the content of the oil in the paper towel can be measured by methods conventional in the art, for example, by a method for measuring the oil content of chemical fibers, for example, by a method of national standard measurement method GB/T6504, for example, by extracting the oil from the paper towel by using an organic solvent such as isopropanol or acetone, and then measuring the extract by a method of combining liquid chromatography with mass spectrometry.
The content of hyaluronic acid or a salt thereof in the tissue is not limited in the present application, and may be conventionally selected as needed, and for example, the content may be measured by the method disclosed in CN 109298112A.
The method for determining the content of the emulsifier in the tissue is not limited in this application, and can be determined according to the conventional method in the field.
The content of glycerin in the tissue is determined by the method of the present application without any limitation, and may be determined according to a method conventional in the art.
The water-soluble active ingredient can increase the skin care properties of the tissue.
The method for determining the content of the water-soluble active ingredient in the tissue paper is not limited in this application, and can be determined by a method conventional in the art.
In some embodiments, the hyaluronic acid or salt thereof has a mobility ≧ 5%.
The migration rate refers to the efficiency of HA migration to the imitation leather during the rub test, and is calculated as follows:
mobility is the amount of HA on the simulated skin after rubbing/the amount of HA on the tissue on the cube-contacting side before rubbing.
The substrate referred to herein as a tissue substrate can be any commercially available substrate, for example, a smooth, soft tissue substrate can be used.
In some embodiments, the tissue substrate comprises cellulosic fibers.
The composition is coated on the paper towel, and the composition contains the grease with 20-50 carbon atoms, so that the water absorption performance of the paper towel is not influenced on the basis of ensuring the migration property of hyaluronic acid.
The coating method is not limited in any way, and those skilled in the art can select the method according to needs, for example, the method can be a roll coating method, for example, a finishing liquid (a composition of oil and fat with 20-50 carbon atoms) is placed in a trough, wherein the trough has a heating function, the temperature of the finishing liquid is controlled to be 60-80 ℃, the impregnation roller is partially immersed in the finishing liquid in the trough, and the finishing liquid is taken up by clockwise rotation;
the transfer roll rotates counterclockwise and the finishing liquor is uniformly spread on the surface of the transfer roll by contact with the impregnation roll; the tissue base material passes between the squeeze roll and the transfer roll, wherein the transfer roll rotates anticlockwise, and the squeeze roll rotates clockwise, so that the finishing liquid is uniformly coated on the surface of the tissue.
The amount of coating applied to the tissue paper is not limited in any way and can be selected by the skilled person as desired, and in this application, 35% or 36% is used, which is calculated as W2-W1/W1 100%. Wherein W1 is the original mass of the tissue base material, and W2 is the total mass of water content of the coated tissue.
The finishing liquid composition can be uniformly spread on the surface of the fiber and does not enter the internal channel of the fiber when being coated on a tissue base material by controlling the particle size D50 of the grease within the range of 300-1300nm, so that the water absorption performance of the tissue is not influenced on the basis of ensuring the migration of hyaluronic acid.
The finishing liquid composition is coated on a paper towel base material, so that the water absorption performance of the paper towel is not influenced on the basis of ensuring the migration property of hyaluronic acid.
The method for measuring the water absorption performance of the tissue is not limited in any way, And for example, the Wicking rate can be used to determine the water absorption performance of the tissue, And the measurement can be performed by the method described in edana (european Disposables And nowovens association).
In the application, the Wicking rate of the paper towel is used for representing the water absorption performance of the paper towel, the larger the numerical value is, the better the water absorption performance is, the Wicking rate of the paper towel coated by the finishing liquid composition is more than 30mm, preferably 31-46mm, the better the performance is, the migration rate of hyaluronic acid can be ensured, and the absorption performance of the paper towel is not influenced.
Examples
The materials used in the tests and the test methods are generally and/or specifically described herein, and in the examples below,% means wt%, i.e. percent by weight, unless otherwise specified. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products commercially available, wherein the raw material sources described in the examples and comparative examples are shown in table 1.
TABLE 1 sources of raw materials
| Name of raw materials | Supplier (model) |
| Paper towel base material | Medium, smooth and soft, 3 layers of paper towel made of raw wood pulp, the total gram weight of which is 45gsm |
| 3w Da HA | Huaxi biology (cosmetic grade) |
| 84w Da HA | Huaxi biology (cosmetic grade) |
| Crosslinked HA | Huaxi organismTL100 (cosmetic grade) |
| Glycerol | Fengyi oil & fat science & technology (Shanghai) Co., Ltd. (cosmetic grade) |
| Tween-80 | Yihaijiali (cosmetic grade) |
| Mixed mineral oil and fat | H&R China (Ningbo) co., ltd., (cosmetic grade) |
Example 1
Adding emulsifier and oil into water, heating to 60-70 deg.C, homogenizing under high pressure, and regulating pressure and homogenizing time to obtain oil with particle diameter D 50 The particle size is controlled to be the particle size shown in table 2, then glycerin and sodium hyaluronate are added and uniformly mixed to obtain the finishing liquid composition, wherein the content of each component is shown in table 2, the test principle of the particle size D50 of the grease is that a correlation function model is established through Brownian motion of nano particles in a colloid system, the diffusion coefficient of motion of the nano particles is calculated, and then the equivalent particle size distribution of the nano particles is calculated through an Einstein-Stokes equation, and the specific test method is as follows:
and (2) taking 1g of the finishing liquid composition, diluting the finishing liquid composition by 1000 times with purified water, and then taking 1.8-3 ml of a diluted sample and placing the sample in a quartz glass sample pool.
The sample cell was placed in a sample cell of a particle sizer (DLS nano particle sizer, nanobook series, brueck hein instruments, usa) and tested. The test temperature was set at 25 ℃ and the particle size distribution curve was measured.
The particle size distribution density curve is integrated between the particle size 0nm and the Tnm. When the integrated values reached 49.9% to 50.1%, the T nm was recorded as D50.
TABLE 2 table of contents of various components
Example 2 preparation of paper towel
As shown in fig. 1, the finishing liquid composition obtained in example 1 was placed in a bath 9, an impregnation roller 8 was partially immersed in the finishing liquid in the bath 9 to maintain the temperature thereof at 60 to 80 ℃, the finishing liquid was taken up by clockwise rotation, a transfer roller 7 was rotated counterclockwise, and the finishing liquid was uniformly spread on the surface of the transfer roller 7 by contact with the impregnation roller 8, a base tissue material 1 was contacted by a first guide roller 2, a second guide roller 3 and a squeeze roller 6 to coat the finishing liquid on the base tissue material, the coating amount was 30%, and the calculation formula of the coating amount was: W2-W1/W1 is 100%, wherein W1 is the original mass of the tissue base material, W2 is the total mass of the water content of the coated tissue, the obtained tissue is numbered Nap1-Nap16, and the content of each component is shown in Table 3.
The HA was measured according to the method disclosed in CN 109298112A;
the method for measuring the oil content of the oil is based on the national standard measuring method GB/T6504 of the oil content of the chemical fiber, but in the method, the operation on the fiber is changed into the operation on the paper towel: the hydrophobic substances on the paper towel can be extracted by organic solvents such as isopropanol or acetone, and then the liquid chromatography and mass spectrometry method is carried out on the extract liquid for measurement;
the emulsifier and glycerol content can be measured according to methods conventional in the art.
TABLE 3 paper towel with contents of different components
Experimental example 1 measurement of migration Rate of hyaluronic acid
Experimental materials: the artificial leather is made of silica gel with the size of 5cm multiplied by 12cm, a square block with the weight of 300g and the size of 5cm multiplied by 5cm, a tension meter with the measuring range of 5N and a rubber band.
The operation method comprises the following steps:
1) cleaning the surface of the imitation leather by using deionized water, and airing the surface moisture at room temperature;
2) accurately recording the mass of the imitation leather using an analytical balance;
3) uniformly spraying 0.1g of deionized water on the surface of the imitation leather by using a sprayer;
4) wiping the experiment table surface clean with alcohol, and fixing the 5cm × 12cm silica gel imitation leather on the smooth horizontal table surface;
5) fixing paper towels numbered Nap1-Nap16 on one side of a cube weight, and placing the side on which the paper towels are fixed right above the imitation leather, wherein the center of gravity of the cube weight is vertically aligned with one end of the imitation leather, and the edge of each weight is aligned with the edge of the imitation leather, as shown in fig. 2A and 2B;
6) dragging the heavy block horizontally at a constant speed by using a tension meter until the gravity center of the heavy block is dragged to the tail end of the imitation leather, and repeating the process for 5 times;
7) cutting the imitation leather into small pieces, placing the small pieces in a narrow-mouth glass bottle, and detecting the HA content in the imitation leather;
8) the migration rate of HA from paper towel to imitation leather was calculated as shown in Table 4, wherein the migration rate was calculated as:
mobility-amount of HA in simulated skin after rub test/HA content of tissue on cube contact area before rub test
The method for detecting the HA content in the imitation leather comprises the following steps:
(1) reagents and materials:
sodium dihydrogen phosphate (national group chemical reagent Co., Ltd.), disodium hydrogen phosphate (national group chemical reagent Co., Ltd.), phosphoric acid (national group chemical reagent Co., Ltd.), hyaluronic acid control (Huaxi Biotechnology Co., Ltd.) and hyaluronidase (Huaxi Biotechnology Co., Ltd.)
(2) Chromatographic conditions
A chromatographic column: MCI GEL CK08EH column (8 × 300mm, 9 μm), mobile phase: 1% phosphoric acid; flow rate: 0.6 ml/min; sample introduction amount: 20 mu L of the solution; column temperature: at 40 ℃; detection wavelength: 232nm
(3) Solution preparation
A) And (3) enzymolysis buffer solution:
weighing sodium dihydrogen phosphate (NaH) 2 PO 4 ·2H 2 O)27.4g, disodium hydrogen phosphate (Na) 2 HPO 4 ·12H 2 O)8.8g is put into a 1000mL volumetric flask, diluted to the scale by adding water and shaken up to obtain 0.2mol/L NaH 2 PO 4 -Na 2 HPO 4 Buffer, and the buffer was diluted 40-fold to obtain an enzymatic buffer (5mM/L NaH) 2 PO 4 -Na 2 HPO 4 Buffer, pH6.0)
B) Control solution:
precisely weighing about 50mg of sodium hyaluronate reference substance in a 50mL volumetric flask, dissolving the sodium hyaluronate reference substance in an enzymolysis buffer solution, fixing the volume to a scale, and uniformly mixing. Placing 0.5mL of the solution in a 10mL volumetric flask, adding 5mL of enzymolysis buffer solution and 0.5mL of hyaluronidase, mixing uniformly, sealing, carrying out enzymolysis at 42 ℃ for 2h, boiling for 2min to inactivate enzyme, fixing the volume of the enzymolysis buffer solution to a scale, and filtering with a 0.22-micron filter membrane to obtain a reference solution.
C) Solid test sample:
weighing 15-18g of imitation leather, placing the imitation leather in a narrow-mouth glass bottle, accurately recording the quality of the imitation leather, adding an enzymolysis buffer solution, adding 0.5mL of hyaluronidase into the buffer solution with the volume capable of immersing the imitation leather as the standard, uniformly mixing, sealing, carrying out enzymolysis at 42 ℃ for 2h, boiling for 2min to inactivate enzyme, fixing the volume of the enzymolysis buffer solution to a scale, and filtering with a 0.22 mu m filter membrane to obtain a test sample solution, wherein two parts are prepared in parallel.
D) And (3) determination:
respectively sampling 20 μ L of reference solution and sample solution, recording chromatogram, and calculating HA content (μ g/g) in the imitation leather according to the following formula
In the formula: as is the peak area of the test solution, Mr is the sample weighing (mg) of the reference; z is the content of a reference substance; h% is the loss on drying of the reference substance; vr is the volume (mL) of the control solution; ar is the peak area of the reference solution; m Imitation leather The quality of the imitation leather.
TABLE 4 mobility of HA
| Paper towel code | Mobility of hyaluronic acid |
| Nap 1 | 5.1 |
| Nap | |
| 2 | 5.4 |
| Nap | |
| 3 | 5.7％ |
| Nap 4 | 6.8 |
| Nap | |
| 5 | 5.2 |
| Nap | |
| 6 | 7.2 |
| Nap | |
| 7 | 5.6 |
| Nap | |
| 8 | 17.2 |
| Nap | |
| 9 | 18.3 |
| Nap | |
| 10 | 17.6 |
| Nap | |
| 11 | 39.0％ |
| Nap 12 | 37.5％ |
| Nap 13 | 38.3％ |
| Nap 14 | 14.5％ |
| Nap 15 | 13.0％ |
| Nap 16 | 13.8％ |
Experimental example 2 measurement of Water absorption Properties
The method is a Wicking Rate method, that is, a Liquid Wicking Rate method in EDANA (European Disposables And nowovins Association)10.4-02, wherein the Wicking time is set to 100 seconds, And the results are shown in Table 5.
TABLE 5 packaging Rate
| Paper towel code | Wicking Rate(mm) |
| Nap 1 | 7 |
| |
35.3 |
| |
45.5 |
| Nap 4 | 44 |
| |
39.5 |
| |
37.5 |
| |
22 |
| |
8 |
| |
40 |
| |
19 |
| |
5 |
| Nap 12 | 31 |
| Nap 13 | 13 |
| Nap 14 | 38 |
| Nap 15 | 39 |
| Nap 16 | 38 |
The foregoing is directed to preferred embodiments of the present application, other than the limiting examples of the present application, and variations of the present application may be made by those skilled in the art using the foregoing teachings. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the technical solution of the present application.
Claims (9)
1. A finishing liquid composition comprising an oil or fat having a particle diameter D 50 Is 300-1300 nm.
2. The finishing liquid composition according to claim 1, wherein the oil or fat is 3 to 20% by mass, preferably 3 to 8% by mass, in the finishing liquid composition.
3. The finishing liquor composition according to claim 1 or 2, wherein the finishing liquor composition further comprises hyaluronic acid or a salt thereof, preferably the hyaluronic acid or the salt thereof is 0.01-0.5%, preferably 0.1-0.2%, by mass of the finishing liquor composition.
4. The finish composition of any one of claims 1 to 3, further comprising an emulsifier, preferably the emulsifier is a nonionic or anionic surfactant, preferably the nonionic surfactant is selected from one or more of tween-20, tween-80, ceteareth-6, ceteareth-25, cetearoliveoleate and sorbitan oliveoleate, preferably the anionic surfactant is selected from one or more of sodium stearoyl glutamate, sodium laurate, sodium dodecyl benzene sulfonate, sodium dodecyl sulfate and sodium oleate.
5. The finish composition of any of claims 1-4, wherein the finish composition further comprises a polyol.
6. The finishing liquor composition of any one of claims 3 to 5, wherein the hyaluronic acid or salt thereof is a first hyaluronic acid or salt thereof or a second hyaluronic acid or salt thereof or a cross-linked hyaluronic acid or salt thereof or a combination of a first hyaluronic acid or salt thereof and a second hyaluronic acid or salt thereof or a combination of a first hyaluronic acid or salt thereof and a cross-linked hyaluronic acid or salt thereof or a combination of a second hyaluronic acid or salt thereof and a cross-linked hyaluronic acid or salt thereof or a combination of a first hyaluronic acid or salt thereof, a second hyaluronic acid or salt thereof and a cross-linked hyaluronic acid or salt thereof.
7. The finishing liquid composition according to any one of claims 1 to 6, wherein the number of carbon atoms of the oil or fat is 20 to 50.
8. Use of the finishing liquor composition of any of claims 1-7 in paper products.
9. A tissue, comprising:
a substrate; and
the finish of any one of claims 1-7 coated on a surface of a substrate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210403257.6A CN114908603A (en) | 2022-04-18 | 2022-04-18 | Finishing liquid composition and application thereof |
| PCT/CN2023/087806 WO2023202443A1 (en) | 2022-04-18 | 2023-04-12 | Finishing liquid composition and use thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210403257.6A CN114908603A (en) | 2022-04-18 | 2022-04-18 | Finishing liquid composition and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023202443A1 (en) * | 2022-04-18 | 2023-10-26 | 华熙生物科技股份有限公司 | Finishing liquid composition and use thereof |
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| CN113181068A (en) * | 2021-04-30 | 2021-07-30 | 广州市科能化妆品科研有限公司 | Facial mask composition and preparation method thereof |
| CN114908603A (en) * | 2022-04-18 | 2022-08-16 | 华熙生物科技股份有限公司 | Finishing liquid composition and application thereof |
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| JP2002087931A (en) * | 2000-09-13 | 2002-03-27 | Kao Corp | Oil-in-water type emulsified cosmetic |
| CN104024523A (en) * | 2011-11-03 | 2014-09-03 | 株式会社爱茉莉太平洋 | Cosmetic tissue comprising microemulsion particles, and production method for same and method of using same |
| CN104736203A (en) * | 2012-10-15 | 2015-06-24 | 欧莱雅 | Aqueous wax dispersions and hair styling compositions containing them |
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