CN112647305A - Seabuckthorn oil microcapsule dispersion liquid, finishing agent and finishing process - Google Patents
Seabuckthorn oil microcapsule dispersion liquid, finishing agent and finishing process Download PDFInfo
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- CN112647305A CN112647305A CN202011519556.3A CN202011519556A CN112647305A CN 112647305 A CN112647305 A CN 112647305A CN 202011519556 A CN202011519556 A CN 202011519556A CN 112647305 A CN112647305 A CN 112647305A
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- Prior art keywords
- seabuckthorn oil
- oil microcapsule
- seabuckthorn
- dispersion liquid
- polyvinyl alcohol
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- 240000000950 Hippophae rhamnoides Species 0.000 title 1
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Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/12—Processes in which the treating agent is incorporated in microcapsules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/02—Making microcapsules or microballoons
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/203—Unsaturated carboxylic acids; Anhydrides, halides or salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Abstract
The invention discloses a seabuckthorn oil microcapsule dispersion liquid, which comprises seabuckthorn oil and polyvinyl alcohol, wherein the seabuckthorn oil microcapsule takes the seabuckthorn oil as a core material and the polyvinyl alcohol as a wall material to form a seabuckthorn oil microcapsule; wherein the weight ratio of the polyvinyl alcohol to the seabuckthorn oil is 0.5-4: 1. the invention also discloses a seabuckthorn oil microcapsule finishing agent and a finishing process thereof. According to the invention, the adopted seabuckthorn oil microcapsules take seabuckthorn oil as a core material and polyvinyl alcohol as a wall material, so that the seabuckthorn oil can be well protected from being damaged, and the seabuckthorn oil microcapsule finishing agent can finish the seabuckthorn oil microcapsules on the fabric, is durable and washable, so that the fabric has the health-care and skin-care effects. The finishing process of padding-baking can finish the fabric without damaging the activity of the seabuckthorn oil microcapsules.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a seabuckthorn oil microcapsule dispersion liquid, a finishing agent and a finishing process thereof.
Background
The oleum Hippophae is extracted from fructus Hippophae or seed, is rich in oleic acid, linoleic acid and linolenic acid, and has total unsaturated fatty acid content of about 90%. In addition, the seabuckthorn oil also contains more than one hundred active substances which are beneficial to the human body, such as vitamin C, vitamin E, beta-carotene, superoxide dismutase, unsaturated fatty acid, flavonoid, triterpene, steroid compounds, trace elements and the like, and has the special pharmacological properties of enhancing the body activity, resisting fatigue, resisting cancer and the like, has the health-care functions of promoting wound healing, relieving coronary heart disease, angina pectoris and the like, and has the effects of resisting aging, resisting fatigue, enhancing the body activity, the immunity and the like. The seabuckthorn oil is widely used in the industries of food, health care, cosmetics and medicine.
The content of total carotenoids in the seabuckthorn oil is 1-3 per thousand, the carotenoids have very important physiological functions on human health, wherein the beta carotene is a very strong antioxidant, can efficiently quench singlet oxygen and eliminate adverse effects of free radicals in vivo, and has a protective effect on an immune reaction system. Meanwhile, the beta carotene can directly enter into epidermal cells through the skin and be converted into vitamin E to nourish the skin so as to avoid keratinization of epithelial tissue cells or rough skin. The content of the tocopherol in the seabuckthorn oil is up to 2-4 per thousand, and the tocopherol protects unsaturated fatty acid in cell membranes from being oxidized under the conditions of light, heat and radiation, so that metamorphosis, wrinkle and lipofuscin accumulation are prevented, and microcirculation can be improved.
By utilizing the properties of the seabuckthorn oil, the skin-care health-care fabric has obvious practical value, and the comprehensive care of the skin of a human body can be realized by wearing the clothes.
However, the seabuckthorn oil directly extracted from seabuckthorn fruits is insoluble in water, has poor photosensitivity, is easily oxidized by air in the storage process, has high requirement on storage environment and low reaction activity, has poor affinity with fibers when being directly used on textiles, and is easily ineffective in the wearing and washing processes.
Therefore, it is highly desirable to provide a seabuckthorn oil microcapsule finishing agent with sustained release performance, which improves the reactivity of the finishing agent with textile fibers to solve the above problems.
Disclosure of Invention
The invention aims to provide a seabuckthorn oil microcapsule finishing agent which has the characteristic of lasting slow release and can improve the reactivity with textile fibers.
In order to achieve the purpose, the invention adopts the following technical scheme.
The invention provides a seabuckthorn oil microcapsule dispersion liquid which comprises seabuckthorn oil and polyvinyl alcohol, wherein the seabuckthorn oil microcapsule takes the seabuckthorn oil as a core material and the polyvinyl alcohol as a wall material to form a seabuckthorn oil microcapsule; wherein the weight ratio of the polyvinyl alcohol to the seabuckthorn oil is 0.5-4: 1
In some embodiments, the mass fraction of the polyvinyl alcohol in the seabuckthorn oil microcapsule dispersion liquid is 3-10%.
In some embodiments, the raw materials for preparing the seabuckthorn oil microcapsule dispersion liquid comprise: polyvinyl alcohol, seabuckthorn oil, n-heptane, an emulsifier, glutaraldehyde and water.
In some embodiments, the weight ratio of the seabuckthorn oil to the emulsifier is 5-20: 1.
in some embodiments, the weight ratio of the glutaraldehyde to the seabuckthorn oil is 0.5-3: 1.
in some embodiments, the emulsifier is tween. For example, Tween-20 is used as the emulsifier.
In some embodiments, the preparation method of the seabuckthorn oil microcapsule dispersion comprises the following steps:
adding a proper amount of water into the polyvinyl alcohol solid, heating to 80-90 ℃ under the stirring condition, and keeping the temperature and stirring to completely dissolve the polyvinyl alcohol solid to obtain a transparent polyvinyl alcohol solution; wherein the mass fraction of the polyvinyl alcohol solution is controlled to be 5-15%;
mixing the seabuckthorn oil and n-heptane, adding an emulsifier, heating and stirring in water bath at the temperature of 30-55 ℃, stirring for 15-30 min, adding the polyvinyl alcohol solution, stirring, slowly dropwise adding hydrochloric acid and glutaraldehyde, continuously and slowly dropwise adding glutaraldehyde after the solution is acidic, and reacting for 2-4 h; and (4) stopping heating after the reaction is finished, and adjusting the pH value to be neutral to obtain the seabuckthorn oil microcapsule dispersion liquid. Wherein the pH is adjusted to neutral with sodium hydroxide.
The invention also provides a seabuckthorn oil microcapsule finishing agent which comprises the seabuckthorn oil microcapsule dispersion liquid.
In some embodiments, the seabuckthorn oil microcapsule finish comprises:
non-ionic penetrant: 2-5 g/L;
sea buckthorn oil microcapsule dispersion: 50-100 g/L;
auxiliary agent: 30-50 g/L.
The auxiliary agent is acrylic adhesive or polyurethane crosslinking agent.
The invention also provides a finishing process of the skin-friendly health care textile containing the seabuckthorn oil, which is characterized in that the seabuckthorn oil microcapsule finishing agent is adopted, and the seabuckthorn oil microcapsules in the seabuckthorn oil microcapsule finishing agent are finished on the textile in a padding-baking mode.
In some embodiments, the baking temperature is 100-140 ℃ and the baking time is 30-120 s.
In some embodiments, the step of finishing process comprises: mixing the seabuckthorn oil microcapsule dispersion liquid, the non-ionic penetrant and the auxiliary agent, and uniformly stirring to obtain a pre-solution; treating the fabric by using the pre-solution, wherein a soaking and rolling treatment process is adopted, and the rolling residual rate is 70-100%; and then, drying at 100-140 ℃, and baking for 30-120 s to obtain the skin-friendly health care seabuckthorn oil textile.
The raw materials adopted in the invention are all commercial products.
The invention has the beneficial effects that:
the sea buckthorn oil microcapsule structure in the invention can improve the reactivity of the sea buckthorn oil and textile fiber, and can also lead the sea buckthorn oil to have lasting slow release performance on the textile; the sea buckthorn oil microcapsule dispersion liquid takes sea buckthorn oil as a core material and polyvinyl alcohol as a wall material, so that on one hand, the sea buckthorn oil is protected from being damaged easily, on the other hand, the sea buckthorn oil microcapsule dispersion liquid is beneficial to finishing the sea buckthorn oil on a fabric and has lasting slow release performance, and the fabric has lasting health care and skin care effects.
The invention finishes the finishing agent on the fabric by padding-baking, and the prepared textile has the health care functions of skin friendliness, oxidation resistance and the like, avoids skin oxidation and delays aging. The finishing agent of the invention has better binding force with textile fiber and is durable and washable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a standard curve of vitamin E concentration versus absorbance.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a seabuckthorn oil microcapsule dispersion liquid, which comprises seabuckthorn oil and polyvinyl alcohol, wherein the seabuckthorn oil microcapsule takes the seabuckthorn oil as a core material and the polyvinyl alcohol as a wall material to form a seabuckthorn oil microcapsule; wherein the weight ratio of the polyvinyl alcohol to the seabuckthorn oil is 0.5-4: 1.
in the seabuckthorn oil microcapsule dispersion liquid, the mass fraction of the polyvinyl alcohol is 3-10%.
The preparation raw materials of the seabuckthorn oil microcapsule dispersion liquid comprise: polyvinyl alcohol, seabuckthorn oil, n-heptane, an emulsifier, glutaraldehyde and water.
In some embodiments, the emulsifier is tween; such as tween-20.
In some embodiments, the weight ratio of the seabuckthorn oil to the emulsifier is 5-20: 1.
in some embodiments, the weight ratio of the glutaraldehyde to the seabuckthorn oil is 0.5-3: 1.
in some embodiments, the preparation method of the seabuckthorn oil microcapsule dispersion comprises the following steps:
adding a proper amount of water into the polyvinyl alcohol solid, heating to 60-90 ℃ under the stirring condition, and keeping the temperature and stirring to completely dissolve the polyvinyl alcohol solid to obtain a transparent polyvinyl alcohol solution; wherein the mass fraction of the polyvinyl alcohol solution is controlled to be 4%;
mixing the seabuckthorn oil and n-heptane, adding an emulsifier, heating and stirring in water bath at the temperature of 30-55 ℃, stirring for 15-30 min, adding the polyvinyl alcohol solution, stirring, slowly dropwise adding hydrochloric acid and glutaraldehyde, continuously and slowly dropwise adding glutaraldehyde after the solution is acidic, and reacting for 2-4 h; and (4) stopping heating after the reaction is finished, and adjusting the pH value to be neutral to obtain the seabuckthorn oil microcapsule dispersion liquid.
An embodiment of the invention provides a seabuckthorn oil microcapsule finishing agent, which comprises the seabuckthorn oil microcapsule dispersion liquid. The finishing agent comprises a non-ionic penetrating agent, a seabuckthorn oil microcapsule dispersion liquid and an auxiliary agent; wherein the auxiliary agent is an adhesive or a cross-linking agent.
In the seabuckthorn oil microcapsule finishing agent, the content of the non-ionic penetrant is 2-5 g/L, for example, 2g/L, 3g/L, 4g/L and 5 g/L; the sea buckthorn oil microcapsule dispersion liquid is 50-100 g/L, for example, 50g/L, 60g/L, 70g/L, 80g/L, 90g/L and 100 g/L; the auxiliary agent is 30-50 g/L, for example, 30g/L, 40g/L and 50 g/L.
In some embodiments, the adjuvant is an acrylic adhesive. For example, DM-5129 from Guangdong Germany Fine chemical group, Inc. may be used as the acrylic adhesive.
In some embodiments, the adjuvant is a polyurethane-based crosslinker. For example, DM-3917 from Guangdong Germany fine chemical group GmbH may be used as the polyurethane crosslinking agent.
For example, DM-1230 from Guangdong Demei Fine chemical group, Inc. may be used as the non-ionic penetrant.
The embodiment of the invention also provides a finishing process of the skin-friendly health care textile of the seabuckthorn oil, which finishes the seabuckthorn oil microcapsule finishing agent on the textile by adopting a padding-baking mode and comprises the following steps:
mixing the seabuckthorn oil microcapsule dispersion liquid, the non-ionic penetrant and the auxiliary agent, and uniformly stirring to obtain a pre-solution; treating the fabric by using the pre-solution, wherein a soaking and rolling treatment process is adopted, and the rolling residual rate is 70-100%; and then, drying at 100-140 ℃, and baking for 30-120 s to obtain the skin-friendly health care seabuckthorn oil textile.
In the embodiment of the invention, the seabuckthorn oil is food grade and is from Beijing Baoderui food Co.Ltd; polyvinyl alcohol, commercially pure, from Anhui Uygur, Inc.; n-heptane, analytically pure, from Dongguan Wang chemical Co., Ltd; tween-20, commercially pure, from yellow, Inc., of Jinan landscape; glutaraldehyde, hydrochloric acid; sodium hydroxide, analytically pure, from guang-juong chemical agents ltd; the fabric is 30s tencel single jersey half-bleaching (130 g/m)2)；
Example 1
The embodiment provides a seabuckthorn oil microcapsule finishing agent, which comprises a seabuckthorn oil microcapsule dispersion liquid, wherein the seabuckthorn oil microcapsule dispersion liquid comprises seabuckthorn oil and polyvinyl alcohol, the seabuckthorn oil is used as a core material, and the polyvinyl alcohol is used as a wall material; wherein the weight ratio of the polyvinyl alcohol to the seabuckthorn oil is 0.5-4: 1.
the seabuckthorn oil microcapsule finishing agent comprises:
non-ionic penetrant: 5 g/L;
sea buckthorn oil microcapsule dispersion: 80 g/L;
auxiliary agent: 50 g/L.
The auxiliary agent is an acrylic adhesive.
In this embodiment, the preparation method of the seabuckthorn oil microcapsule dispersion liquid includes the following steps:
weighing a proper amount of polyvinyl alcohol solid, putting the polyvinyl alcohol solid into a container, adding a proper amount of water, heating to 80-90 ℃ under the stirring condition, and keeping the temperature for 10-20 min to completely dissolve the polyvinyl alcohol solid to obtain a polyvinyl alcohol solution; adjusting the water amount to prepare a transparent solution with the mass fraction of 5-15%;
weighing the seabuckthorn oil, adding the seabuckthorn oil into a three-neck flask filled with a certain amount of n-heptane, adding 0.3-2 g of emulsifier Tween-20, stirring for 20min in a water bath at the temperature of 30-55 ℃, pouring the dissolved polyvinyl alcohol solution, stirring for a period of time, slowly dropwise adding hydrochloric acid and 3-8 mL of glutaraldehyde, continuously and slowly dropwise adding the rest glutaraldehyde after the solution is acidic, reacting for 2-4 h, stopping heating, and adjusting the pH value to be neutral by using sodium hydroxide to prepare the seabuckthorn oil microcapsule dispersion liquid.
The seabuckthorn oil microcapsule finishing agent is used for treating the fabric, and is finished on the fabric in a padding-baking mode, and the method comprises the following steps:
mixing the seabuckthorn oil microcapsule dispersion liquid, the non-ionic penetrant and the cross-linking agent, uniformly stirring to obtain a pre-solution, treating the fabric by using the pre-solution, and adopting a one-dipping one-rolling treatment process, wherein the rolling residue rate is 70-100%; drying at 100 ℃, and baking at 100-140 ℃ for 30-120 s.
The fabric finished in this example had a vitamin E content of about 0.093% per thousand on the cloth surface.
Test example 1
The test example provides a method for determining the content of seabuckthorn oil, and the relative content is determined by the change of the content of vitamin E in the seabuckthorn oil. The vitamin E has the maximum absorption wavelength at the wavelength of 285nm, and the content of the vitamin E is determined by utilizing the linear relation between the absorbance and the vitamin E within a certain mass concentration of 285nm +/-1.
The specific test method for the content of the vitamin E comprises the following steps:
firstly, accurately weighing 250mg of vitamin E, placing the vitamin E in a volumetric flask of 100ml, and adding absolute ethyl alcohol to dilute the vitamin E to a scale; then gradually diluting the solution to prepare solutions with different concentrations (0.01mg/ml, 0.02mg/ml and 0.08-0.10 mg/ml), and measuring the absorbance of the solution at the position of 285nm +/-1 of the maximum absorption wavelength by using an ultraviolet spectrophotometer to make a vitamin E concentration-absorbance standard curve, which is shown in figure 1;
then, extracting the sea buckthorn oil in the fabric: accurately weighing 3.0000 +/-0.0002 g of the fabric sample in the embodiment, coating the fabric sample by using filter paper, then putting the fabric sample into a Soxhlet extractor, extracting the fabric sample by using absolute ethyl alcohol (the temperature is 80-90 ℃), taking out the extract after 12 hours, cooling the extract (a small amount of absolute ethyl alcohol is volatilized in the extraction process), pouring the extract into a volumetric flask, fixing the volume by using the absolute ethyl alcohol, measuring the absorbance A under the maximum absorption wavelength (285 +/-1 nm) by using an ultraviolet spectrophotometer, calculating the concentration of vitamin E in the extract according to a concentration-absorbance standard curve, and then obtaining the percentage content of the vitamin in the fabric, wherein the calculation formula is shown as follows:
Ve(％)＝Y×250ml×100％/1000W
note: ve is the percentage content of vitamin E in the fabric, Y is the concentration of vitamin in the extract liquor, and the unit is mg/ml; 250ml is the volume of the extraction liquid; w is the fabric mass in g.
Test example 2
In this example, the fabric was subjected to a washability test to observe the retention of vitamin E content in the cloth after multiple washings.
The test method comprises the following steps:
the fabric is finished by adopting the following finishing agents with different formulas: the finishing agent comprises 80g/L of seabuckthorn oil microcapsule dispersion liquid and 20-150 g/L of adhesive or cross-linking agent (the specific dosage is shown in table 1);
padding and baking the fabric by adopting the same finishing process as in example 1;
the padding-baked fabrics were washed for a total of 10 times.
The vitamin E content before and after the fabric was washed was measured according to the method in test example 1, and the retention of vitamin E was calculated to observe the change in the content of seabuckthorn oil, and the experimental data are shown in table 1.
TABLE 1 Retention of vitamins in cloth surface after washing 10 times
| Dosage of | 20g/L | 30g/L | 50g/L | 80g/L | 100g/L | 150g/L |
| Acrylic adhesive | 83.87％ | 94.45％ | 97.91％ | 97.52％ | 94.29％ | 93.438％ |
| Polyurethane crosslinking agent | 78.45％ | 81.67％ | 82.62％ | 82.46％ | 83.21％ | 82.78％ |
According to the table 1, the fabric using the finishing agent of the invention has the cloth surface vitamin retention rate of 97.91%, and the finishing agent of the invention has good binding property with the fabric and can be retained on the fabric for a long time.
Specifically, at the lower dosage stage, the washfastness of the finish on the cloth increases with increasing dosage of the cross-linking agent. When the binder dosage was increased to 50g/L, the wash resistance did not increase any more. When the dosage is continuously increased to more than 80g/L, the test data is reduced, and the test error is probably caused by incomplete extraction due to excessive dosage of the adhesive.
Test example 2
Observing the influence of different baking temperatures on the vitamin E content of the fabric, adopting different baking temperatures (100 ℃, 120 ℃, 130 ℃, 140 ℃, 150 ℃, 160 ℃ and 180 ℃), and in addition, using the fabric dried at room temperature as a reference to observe the influence of the baking temperatures on the vitamin E content. The vitamin E content was measured according to the method in test example 1 to obtain the vitamin E content of the cloth surface, and then the results of the cloth sample test of baking and drying and room temperature air drying were compared to calculate the retention rate, as shown in Table 2. The finish used in this test example was the same as in example 1.
TABLE 2 relationship between baking temperature and vitamin E content in cloth
| Baking temperature | 100℃ | 120℃ | 140℃ | 150℃ | 160℃ | 180℃ |
| Vitamin E content | 99.34％ | 99.21％ | 98.97％ | 91.35％ | 79.26％ | 75.38％ |
According to the table 2, when the setting temperature is lower than 140 ℃, the difference between the content of the vitamins on the cloth surface and the content of the vitamins in the sea buckthorn oil in the air-drying process at room temperature is small, and the finishing process can accelerate the air-drying of the fabrics and reduce the damage to the sea buckthorn oil.
In conclusion, the finishing agent comprises the seabuckthorn oil microcapsule dispersing agent, seabuckthorn oil is used as a core material, polyvinyl alcohol is used as a wall material, and the microcapsule-shaped seabuckthorn oil has lasting slow release performance, can improve the reactivity of the microcapsule-shaped seabuckthorn oil with textile fibers, and is beneficial to protecting the seabuckthorn oil from being damaged and combined on fabrics easily. The invention finishes the fabric by padding-baking, and the finished fabric has certain durability and washability. The sea buckthorn oil has good effects of resisting oxidation, resisting aging and enhancing immunity, so that the fabric has the effects of health care and skin care.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A seabuckthorn oil microcapsule dispersion liquid is characterized by comprising seabuckthorn oil and polyvinyl alcohol, wherein the seabuckthorn oil microcapsule takes the seabuckthorn oil as a core material and the polyvinyl alcohol as a wall material to form a seabuckthorn oil microcapsule; wherein the weight ratio of the polyvinyl alcohol to the seabuckthorn oil is 0.5-4: 1.
2. the seabuckthorn oil microcapsule dispersion liquid according to claim 1, wherein the mass fraction of the polyvinyl alcohol in the seabuckthorn oil microcapsule dispersion liquid is 3-10%.
3. The seabuckthorn oil microcapsule dispersion liquid according to claim 1 or 2, wherein the seabuckthorn oil microcapsule dispersion liquid is prepared from the following raw materials: polyvinyl alcohol, seabuckthorn oil, n-heptane, an emulsifier, glutaraldehyde and water.
4. The seabuckthorn oil microcapsule dispersion liquid according to claim 3, wherein the weight ratio of the seabuckthorn oil to the emulsifier is 5-20: 1.
5. the seabuckthorn oil microcapsule dispersion liquid according to claim 3, wherein the weight ratio of the glutaraldehyde to the seabuckthorn oil is 0.5-3: 1.
6. the sea buckthorn oil microcapsule dispersion liquid according to claim 3, wherein the emulsifier is Tween.
7. A seabuckthorn oil microcapsule finishing agent, which is characterized by comprising the seabuckthorn oil microcapsule dispersion liquid of any one of claims 1 to 6.
8. The seabuckthorn oil microcapsule finish of claim 7, wherein the seabuckthorn oil microcapsule finish comprises:
non-ionic penetrant: 2-5 g/L;
sea buckthorn oil microcapsule dispersion: 50-100 g/L;
auxiliary agent: 30-50 g/L;
wherein the auxiliary agent is acrylic adhesive or polyurethane crosslinking agent.
9. A finishing process of a seabuckthorn oil skin-friendly health-care textile is characterized in that the seabuckthorn oil microcapsule finishing agent of any one of claims 7 or 8 is adopted, and the seabuckthorn oil microcapsules in the seabuckthorn oil microcapsule finishing agent are finished on the textile in a padding-baking mode.
10. The finishing process of the seabuckthorn oil skin-friendly health-care textile according to claim 9, wherein the baking temperature is 100-140 ℃ and the baking time is 30-120 s.
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