CN116024826A - Light and thin apocynum fiber functional fabric and preparation method thereof - Google Patents
Light and thin apocynum fiber functional fabric and preparation method thereof Download PDFInfo
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- CN116024826A CN116024826A CN202211542696.1A CN202211542696A CN116024826A CN 116024826 A CN116024826 A CN 116024826A CN 202211542696 A CN202211542696 A CN 202211542696A CN 116024826 A CN116024826 A CN 116024826A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The specification discloses a light and thin apocynum fiber functional fabric, which comprises an apocynum fiber fabric and a functional coating; the functional coating comprises negative oxygen ion powder, bergamot powder and aqueous polyurethane resin; the weight part ratio of the negative oxygen ion powder to the bergamot powder to the aqueous polyurethane resin is 18-22:14-16:60-70; wherein the sizes of the negative oxygen ion powder and the bergamot powder are 4000-4500 meshes; the aqueous polyurethane resin consists of polymer polyol, polyisocyanate, a chain extender, a neutralizer, a coupling agent, an auxiliary agent and water; the invention enhances the health care effect and durability of the fabric, and has the effects of skin care, moisture preservation, body and mind relief, antibiosis and bacteriostasis; meanwhile, the fabric has the effects of excellent antibiosis, health preservation, improving skin state, relieving mood, conditioning gastrointestinal functions, reducing phlegm and relieving asthma, and the health care function of the fabric is improved under the condition that the number of layers and the thickness of the fabric are not required to be increased.
Description
Technical Field
One or more embodiments of the present disclosure relate to the field of fiber fabrics, and in particular, to a light and thin apocynum fiber functional fabric and a preparation method thereof.
Background
With the improvement of the living standard of people, the requirements of people on the weaving are higher and higher, so that not only are comfort and warmth keeping required, but also more health care and health maintenance functions are required to meet the increasing material demands of people. At present, the fabric has obvious decorative effect, but has single function, and neglects the requirement of consumers on health functions. The apocynum venetum fiber is used as a natural functional fiber raw material with excellent performance, the unique health care and preservation functions of the apocynum venetum fiber are increasingly favored and accepted by the textile industry, the inclusion is strong, and the adhesion and the carrying of other functional materials can be realized.
The existing technology of the fabric which contains the apocynum fibers and can release negative oxygen ions comprises the following steps:
1) The anti-radiation fabric consists of an anti-radiation fabric layer (nano metal shielding fiber yarn), a four-side elastic fabric layer (formed by twisting and weaving 200D polyester yarns and 40D spandex yarns), an apocynum fiber layer and a bamboo charcoal fiber layer, and a negative oxygen ion ceramic material coating is smeared on the surface of the bamboo charcoal fiber layer. Or alternatively, the process may be performed,
2) Consists of a pattern layer, a braiding layer (formed by mixed braiding of polyester filament fibers, apocynum fibers, kapok fibers and long cotton velvet fibers), an antistatic layer, an ultraviolet-proof layer, an anti-radiation antibacterial layer and a magnesium-electric stone layer. Or alternatively, the process may be performed,
3) Consists of a skin-friendly layer (formed by blending polyester fibers, cotton fibers and pearl fibers), an anti-mite layer (formed by blending nylon fibers and bamboo carbon fibers capable of releasing negative oxygen ions) and a functional layer (formed by blending polyester fibers and apocynum fibers). Or alternatively, the process may be performed,
4) Consists of a skin-friendly layer (cotton fiber and aloe fiber are blended) and an antibacterial layer (apocynum fiber and bamboo charcoal fiber capable of releasing negative oxygen ions are blended).
The fabric has certain health care and skin care functions, but the functions are single, and the realization modes are laminated in a blend fiber mode, so that the thickness and the hand feeling of the fabric are greatly influenced.
The blending proportion of the apocynum fiber fabric mainly comprises: the bamboo fiber, the corn fiber and the polyester fiber are blended in a ratio of 3:4:3, and the apocynum fiber, the cotton fiber and the polyester fiber are blended in a ratio of 2:5:3.
The number of the negative oxygen ion powder is 3000-4000 meshes, the particles are larger, the specific surface area is smaller, the negative oxygen ion generation rate in unit volume is lower, and therefore the functional effect is also lower.
With the increasing attention of consumers to health and preservation, the requirements of multiple functions are put forward on the fabric of home furnishing, clothing and automobile interior decoration, and particularly the requirements on comfort, skin-friendly, antibacterial and health care are urgent. The apocynum venetum fiber is used as an excellent fiber raw material, the cellulose content of the apocynum venetum fiber reaches 81.4%, and the fineness and strength of the apocynum venetum fiber can be compared with those of ramie. Therefore, the apocynum venetum fiber has the characteristics of softness, stiffness, smoothness, moisture resistance, corrosion resistance, good hygroscopicity, fast heat dissipation, good air permeability and the like. Meanwhile, various medicinal components such as cardiac, cardiac flavonoid, various amino acids and the like in the apocynum fibers can permeate through the skin of a human body, act on meridians, qi and blood, viscera and local focuses, and play roles in regulating blood pressure, reducing blood fat, resisting allergy and improving microcirculation of a human body. On the other hand, the apocynum venetum fiber is also a far infrared radiation material, and can emit far infrared light waves of 8-15 mu m, and the light waves enable aged macromolecular groups in a human body to generate resonance so as to crack and recombine, so that the activity of calcium ions in cells is enhanced, the activity of the cells is enhanced, the metabolism capacity of blood is improved, and the effect of reducing blood pressure is achieved. In addition, the apocynum venetum fiber has good antibacterial property and obvious inhibition effect on candida albicans, staphylococcus aureus, escherichia coli, pseudomonas aeruginosa and the like.
Disclosure of Invention
In view of this, it is an object of one or more embodiments of the present disclosure to provide a thin and lightweight kendir functional fabric. The invention improves the use proportion of the apocynum venetum fibers, enhances the health care effect and durability of the fabric, and also introduces the mint fibers to play roles of skin care, moisture preservation, body and mind relief, antibiosis and bacteriostasis; meanwhile, the addition of negative oxygen ions and bergamot coating gives the fabric excellent effects of resisting bacteria, preserving health, improving skin state, relieving mood, regulating gastrointestinal functions and reducing phlegm and relieving asthma, and the health care function of the fabric is improved under the condition that the number of layers and the thickness of the fabric are not required to be increased.
A second object of the present disclosure is to provide a method for manufacturing a thin and light apocynum fiber functional fabric.
Based on the first item, the present specification provides the following technical solutions:
a light and thin apocynum fiber functional fabric comprises an apocynum fiber fabric and a functional coating;
the apocynum fiber fabric comprises apocynum fibers, mint fibers and cotton fibers, wherein the blending ratio is 4.8-5.2:2.8-3.2:1.8-2.2;
the functional coating comprises negative oxygen ion powder, bergamot powder and aqueous polyurethane resin;
the weight part ratio of the negative oxygen ion powder to the bergamot powder to the aqueous polyurethane resin is 18-22:14-16:60-70;
wherein the sizes of the negative oxygen ion powder and the bergamot powder are 4000-4500 meshes;
the aqueous polyurethane resin consists of polymer polyol, polyisocyanate, a chain extender, a neutralizing agent, a coupling agent, an auxiliary agent and water.
As an embodiment, the weight parts ratio of the polymer polyol, the polyisocyanate, the chain extender, the neutralizer, the coupling agent, the auxiliary agent and the water is 100:100:9-15:0.1-1.5:1.3-2.3:11-24:30-40.
As an embodiment, the polymer polyol is selected from one or more of polyether 4110 manufactured by shandong jiali chemical engineering limited, polyether polyol 240 manufactured by shandong meta chemical engineering limited, or polypropylene glycol PPG-4000.
As an embodiment, the polyisocyanate is selected from one or more of toluene diisocyanate, diphenylmethane-4, 4' -diisocyanate, 1, 6-hexamethylene diisocyanate, isophorone diisocyanate, 4-dicyclohexylmethane diisocyanate.
As an embodiment, the chain extender is selected from one or more of dimethylolpropionic acid, dimethylolbutyric acid, sodium ethylenediamine-based ethane sulfonate, N-methyldiethanolamine, triethanolamine.
As an embodiment, the neutralizing agent is selected from one or more of triethylamine, ammonia water, sodium hydroxide, acetic acid and hydrochloric acid.
As an embodiment, the coupling agent is selected from one or more of trimethylolpropane, triethanolamine, glycerol, diethylenetriamine.
As one embodiment, the auxiliary agent is selected from one or more of defoamers, wetting dispersants, uv absorbers, waterproofing agents, film forming aids, and thickeners.
As one embodiment, the aqueous polyurethane resin is prepared by mixing polymer polyol, polyisocyanate, chain extender, neutralizer, coupling agent, auxiliary agent and water in a reaction kettle.
Based on the second item, the present specification provides the following technical scheme:
a preparation method of a light and thin apocynum fiber functional fabric comprises the following steps:
the functional coating is coated on the surface of one side of the apocynum fiber fabric in a spraying mode, the thickness is 10+/-1 mu m, the curing temperature is 120+/-12 ℃, and the curing time is 25-35 minutes.
Any range recited in the invention includes any numerical value between the endpoints and any sub-range of any numerical value between the endpoints or any numerical value between the endpoints.
Unless otherwise indicated, all starting materials herein are commercially available, and the equipment used in the present invention may be conventional in the art or may be conventional in the art.
Compared with the prior art, the invention has the following beneficial effects:
the light and thin apocynum venetum fiber functional fabric prepared by the invention has the effects of skin care, moisture preservation, body and mind relief, antibiosis and bacteriostasis, and the tensile strength is not less than 390N/50mm; tear strength (transverse and longitudinal) is ∈ 80N; the constant load elongation (transverse direction and longitudinal direction) is larger than or equal to 2.5 percent; the antibacterial rate is larger than or equal to 99.5 percent.
Drawings
Fig. 1 is a schematic cross-sectional structure of a thin and light apocynum fiber functional fabric prepared by the method.
Detailed Description
For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made in detail to the following specific examples.
It is noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should be taken in a general sense as understood by one of ordinary skill in the art to which the present disclosure pertains. The use of the terms "first," "second," and the like in one or more embodiments of the present description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items.
As one aspect of the present invention, referring to fig. 1, the present invention is a thin and light apocynum fiber functional fabric, comprising an apocynum fiber fabric 1 and a functional coating 2;
the apocynum fiber fabric comprises apocynum fibers, mint fibers and cotton fibers, wherein the blending ratio is 4.8-5.2:2.8-3.2:1.8-2.2; by controlling the proportion, the tensile strength, tearing strength (transverse direction and longitudinal direction) and constant load elongation (transverse direction and longitudinal direction) and antibacterial rate of the fabric can meet the requirements of the invention.
The functional coating comprises negative oxygen ion powder, bergamot powder and aqueous polyurethane resin;
the weight part ratio of the negative oxygen ion powder to the bergamot powder to the aqueous polyurethane resin is 18-22:14-16:60-70;
wherein the sizes of the negative oxygen ion powder and the bergamot powder are 4000-4500 meshes;
the aqueous polyurethane resin consists of polymer polyol, polyisocyanate, a chain extender, a neutralizer, a coupling agent, an auxiliary agent and water; the weight part ratio of the polymer polyol to the polyisocyanate to the chain extender to the neutralizer to the coupling agent to the auxiliary agent to the water is 100:100:9-15:0.1-1.5:1.3-2.3:11-24:30-40.
In the invention, the mint fiber is woven by extracting natural active ingredients of menthone and eight kinds of theanaphthoic acid extracts in mint leaves, and is a green and environment-friendly textile. The mint fiber has a natural antibacterial function, has good antibacterial activity on staphylococcus aureus, escherichia coli and candida albicans, has an antibacterial rate of 99%, and has good protective effect on skin due to effective components such as menthone in the fiber. Meanwhile, the mint fiber has the flavor of mint, and can calm the tension emotion, excite spirit and make mind and body pleasant.
In the invention, the negative oxygen ions are known as 'environmental police, air vitamins and atmospheric longevity element', the obvious biological effect is reflected in improving the air quality, the negative oxygen ions play a certain role in the health of human bodies, and the negative oxygen ions have the following main effects on the human bodies:
1) The oxygen content in the blood is increased, so that the transportation, absorption and utilization of blood oxygen are facilitated, the cerebral cortex function of a human body can be enhanced, the working efficiency is improved, and the sleep quality is improved;
2) Has the effects of obviously dilating blood vessels, relieving arterial vasospasm, reducing blood pressure, and improving heart function;
3) Improving respiratory system function, improving vital capacity of human body, and improving heart and lung function.
In the invention, the bergamot is the fruit of bergamot of Rutaceae, and the fruit is used for large-scale medicine. Bergamot has the following effects:
1) The bergamot has remarkable sterilization effect, can inhibit sebum secretion of oily skin, improve skin state and is beneficial to the treatment of skin ulcer;
2) Bergamot has effects of soothing emotion, suppressing anxiety, depression, and relieving mental stress;
3) The bergamot has aromatic smell, has the effects of activating spleen and regulating qi, can promote intestinal peristalsis, enhance appetite, strengthen spleen and stomach, can improve symptoms such as inappetence, abdominal distention and pain, tiredness and hypodynamia, and can also be used as an auxiliary treatment for diseases such as dyspepsia, chronic gastritis, and the like. In addition, bergamot can also shrink trachea, reduce sputum secretion, can treat cough caused by phlegm dampness, can play the effect of relieving asthma, relieving cough, eliminating phlegm.
In addition, the negative oxygen ion powder and the bergamot powder are mixed, the aqueous polyurethane resin coating is used as a carrier and is coated on the surface of the apocynum venetum-mint fiber fabric, so that the adhesion strength of the negative oxygen ion powder and the bergamot powder is enhanced, the particle size of the negative oxygen ion powder and the bergamot powder is optimized, the specific surface area of the particles is increased, and the release amount of the active ingredients of the powder is improved.
The light and thin apocynum fiber functional fabric consists of a layer of apocynum fiber fabric and a functional coating on the surface of the apocynum fiber fabric (shown in figure 1). By means of the way, the apocynum venetum fiber fabric layer is in contact with the skin of a human body, the health-care performance of the apocynum venetum fibers can be fully exerted, the characteristics of skin permeation and far infrared radiation are utilized, the functions of human body functions are improved, blood pressure is reduced, the immunity of the human body is enhanced, and the apocynum venetum fiber fabric layer has health-care functions and meanwhile has antibacterial and bacteriostatic functions. In addition, the mint fiber has good functions of resisting and inhibiting bacteria and nourishing and protecting skin, and the fragrance of the mint can calm the tension emotion, and arouse spirit, so that the mind and the body are pleasant. The negative oxygen ion powder contained in the functional coating can continuously release negative oxygen ions beneficial to human body, improve the cardiopulmonary function of the human body and promote the blood oxygen content and the human body function; the bergamot not only has the antibacterial function and the function of improving the skin state, but also has the effects of relieving the mood, conditioning the gastrointestinal function and reducing phlegm and relieving asthma after the active ingredients are absorbed by the human body through the qi-blood exchange function of the human body.
As an embodiment, the polymer polyol is selected from one or more of polyether 4110 manufactured by shandong jiali chemical engineering limited, polyether polyol 240 manufactured by shandong meta chemical engineering limited, or polypropylene glycol PPG-4000.
As an embodiment, the chain extender is selected from one or more of dimethylolpropionic acid, dimethylolbutyric acid, sodium ethylenediamine-based ethane sulfonate, N-methyldiethanolamine, triethanolamine.
As an embodiment, the neutralizing agent is selected from one or more of triethylamine, ammonia water, sodium hydroxide, acetic acid and hydrochloric acid.
As an embodiment, the coupling agent is selected from one or more of trimethylolpropane, triethanolamine, glycerol, diethylenetriamine.
As one embodiment, the auxiliary agent is selected from one or more of defoamers, wetting dispersants, uv absorbers, waterproofing agents, film forming aids, and thickeners. It will be appreciated that the auxiliaries used are conventional and that the person skilled in the art can choose the appropriate corresponding auxiliaries as desired.
As one embodiment, the aqueous polyurethane resin is prepared by mixing polymer polyol, polyisocyanate, chain extender, neutralizer, coupling agent, auxiliary agent and water in a reaction kettle.
As another aspect of the present invention, the preparation method of the thin and light apocynum fiber functional fabric of the present invention includes the following steps:
the functional coating is coated on the surface of one side of the apocynum fiber fabric in a spraying mode, the thickness is 10+/-1 mu m, the curing temperature is 120+/-12 ℃, and the curing time is 25-35 minutes.
Example 1
A light and thin apocynum fiber functional fabric comprises an apocynum fiber fabric and a functional coating;
the apocynum fiber fabric comprises apocynum fibers, mint fibers and cotton fibers, and the blending ratio is 5:3:2; by controlling the proportion, the tensile strength, tearing strength (transverse and longitudinal) and constant load elongation (transverse and longitudinal) and antibacterial rate of the fabric can meet the requirements of the invention;
the functional coating comprises negative oxygen ion powder, bergamot powder and aqueous polyurethane resin;
the weight ratio of the negative oxygen ion powder to the bergamot powder to the aqueous polyurethane resin is 20:15:65;
wherein the sizes of the negative oxygen ion powder and the bergamot powder are 4000-4500 meshes;
the aqueous polyurethane resin consists of polymer polyol, polyisocyanate, a chain extender, a neutralizer, a coupling agent, an auxiliary agent and water; the weight part ratio of the polymer polyol to the polyisocyanate to the chain extender to the neutralizer to the coupling agent to the auxiliary agent to the water is 100:100:12:0.8:1.8:17:35;
the polymer polyol is selected from polyether 4110 produced by Shandong Jia Yi chemical technology Co., ltd;
the polyisocyanate is toluene diisocyanate or diphenylmethane-4, 4' -diisocyanate;
the chain extender is dimethylolpropionic acid;
the neutralizing agent is triethylamine;
the coupling agent is trimethylolpropane;
the auxiliary agent is an ultraviolet absorber UV-P;
the aqueous polyurethane resin is prepared by mixing polymer polyol, polyisocyanate, a chain extender, a neutralizing agent, a coupling agent, an auxiliary agent and water in a reaction kettle.
The preparation method of the light and thin apocynum venetum fiber functional fabric comprises the following steps:
the functional coating is coated on the surface of one side of the apocynum fiber fabric in a spraying mode, the thickness is 10+/-1 mu m, the curing temperature is 120+/-12 ℃, and the curing time is 30 minutes.
Various indexes of the apocynum fiber fabric prepared by the above embodiment are shown in the following tables 1 and 2 after detection:
TABLE 1
TABLE 2
Detecting items | Water dip rating | Oil repellency rating | Liquid contamination | Solid state contamination |
Measured value | Grade 4 | Grade 5 | 4.5 grade | No obvious change |
The release amount of negative oxygen ions per cubic centimeter of the fabric can reach 1300 per cubic centimeter 3 。
Example 2
A light and thin apocynum fiber functional fabric comprises an apocynum fiber fabric and a functional coating;
the apocynum fiber fabric comprises apocynum fibers, mint fibers and cotton fibers, and the blending ratio is 4.8:2.8:1.8; by controlling the proportion, the tensile strength, tearing strength (transverse direction and longitudinal direction) and constant load elongation (transverse direction and longitudinal direction) and antibacterial rate of the fabric can meet the requirements of the invention.
The functional coating comprises negative oxygen ion powder, bergamot powder and aqueous polyurethane resin;
the weight ratio of the negative oxygen ion powder to the bergamot powder to the aqueous polyurethane resin is 18:14:60;
wherein the sizes of the negative oxygen ion powder and the bergamot powder are 4000-4500 meshes;
the aqueous polyurethane resin consists of polymer polyol, polyisocyanate, a chain extender, a neutralizer, a coupling agent, an auxiliary agent and water; the weight part ratio of the polymer polyol to the polyisocyanate to the chain extender to the neutralizer to the coupling agent to the auxiliary agent to the water is 100:100:9:0.1:1.3:11:30;
the polymer polyol is polyether polyol 240 produced by Shanghai, the chemical industry Co., ltd;
the polyisocyanate is selected from 1, 6-hexamethylene diisocyanate and isophorone diisocyanate;
the chain extender is selected from dimethylol butyric acid or ethylenediamine sodium ethanesulfonate;
the neutralizer is ammonia water;
the coupling agent is triethanolamine;
the auxiliary agent is an aqueous nonionic waterproof agent;
the aqueous polyurethane resin is prepared by mixing polymer polyol, polyisocyanate, a chain extender, a neutralizing agent, a coupling agent, an auxiliary agent and water in a reaction kettle.
The preparation method of the light and thin apocynum venetum fiber functional fabric comprises the following steps:
the functional coating is coated on the surface of one side of the apocynum fiber fabric in a spraying mode, the thickness is 10+/-1 mu m, the curing temperature is 120+/-12 ℃, and the curing time is 25 minutes.
Through detection, the performance of the apocynum fiber functional fabric obtained in the embodiment is close to that of the apocynum fiber functional fabric obtained in the embodiment 1.
Example 3
A light and thin apocynum fiber functional fabric comprises an apocynum fiber fabric and a functional coating;
the apocynum fiber fabric comprises apocynum fibers, mint fibers and cotton fibers, and the blending ratio is 5.2:3.2:2.2; by controlling the proportion, the tensile strength, tearing strength (transverse and longitudinal) and constant load elongation (transverse and longitudinal) and antibacterial rate of the fabric can meet the requirements of the invention;
the functional coating comprises negative oxygen ion powder, bergamot powder and aqueous polyurethane resin;
the weight ratio of the negative oxygen ion powder to the bergamot powder to the aqueous polyurethane resin is 22:16:70;
wherein the sizes of the negative oxygen ion powder and the bergamot powder are 4000-4500 meshes;
the aqueous polyurethane resin consists of polymer polyol, polyisocyanate, a chain extender, a neutralizer, a coupling agent, an auxiliary agent and water; the weight part ratio of the polymer polyol to the polyisocyanate to the chain extender to the neutralizer to the coupling agent to the auxiliary agent to the water is 100:100:15:1.5:2.3:24:40;
the polymer polyol is polypropylene glycol PPG-4000;
the polyisocyanate is 4, 4-dicyclohexylmethane diisocyanate;
the chain extender is N-methyldiethanolamine or triethanolamine;
acetic acid is selected as the neutralizer;
the coupling agent is diethylenetriamine;
the auxiliary agent is film forming auxiliary agent (DPTB).
The aqueous polyurethane resin is prepared by mixing polymer polyol, polyisocyanate, a chain extender, a neutralizing agent, a coupling agent, an auxiliary agent and water in a reaction kettle.
The preparation method of the light and thin apocynum venetum fiber functional fabric comprises the following steps:
the functional coating is coated on the surface of one side of the apocynum fiber fabric in a spraying mode, the thickness is 10+/-1 mu m, the curing temperature is 120+/-12 ℃, and the curing time is 35 minutes.
Through detection, the performance of the apocynum fiber functional fabric obtained in the embodiment is close to that of the apocynum fiber functional fabric obtained in the embodiment 1.
Comparative example 1
Light and thin apocynum fiber functional fabric:
example 1 was repeated, with the only differences that: the blending ratio of the apocynum fibers to the mint fibers to the cotton fibers is 4:3:3.
Through detection, the tensile strength of the light and thin apocynum fiber functional fabric is 377, and the tearing strength (transverse direction and longitudinal direction) is 75, the constant load elongation (transverse direction and longitudinal direction) is 3.1 and the antibacterial rate is 83%.
It can be seen that if the amount of apocynum fibers in the fabric is too small, the tensile strength, tear strength (transverse and longitudinal) and antibacterial rate of the fabric do not meet the requirements of the invention.
Comparative example 2
Light and thin apocynum fiber functional fabric:
example 1 was repeated, with the only differences that: the blending ratio of the apocynum venetum fibers to the mint fibers to the cotton fibers is 5:2:3
Through detection, the tensile strength of the light and thin apocynum fiber functional fabric is 381, and the tearing strength (transverse direction and longitudinal direction) is 87, the constant load elongation (transverse direction and longitudinal direction) is 1.5, and the antibacterial rate is 99.7%.
It follows that if the mint fibers in the facing are too small, the tensile strength, tear strength (transverse and longitudinal) and elongation under load (transverse and longitudinal) of the facing do not meet the requirements of the present invention.
Comparative example 3
Light and thin apocynum fiber functional fabric:
example 1 was repeated, with the only differences that: the blending ratio of the apocynum venetum fibers to the mint fibers to the cotton fibers is 5:4:1
Through detection, the tensile strength of the light and thin apocynum venetum fiber functional fabric is 407, and the tearing strength (transverse direction and longitudinal direction) is 82, the constant load elongation (transverse direction and longitudinal direction) is 1.5, and the antibacterial rate is 99.8%.
It follows that if the cotton fibers in the fabric are too small, the tear strength (transverse and longitudinal) and the elongation under load (transverse and longitudinal) of the fabric do not meet the requirements of the present invention.
Comparative example 4
Light and thin apocynum fiber functional fabric:
example 1 was repeated, with the only differences that: the apocynum fiber fabric comprises apocynum fibers and mint fibers, and does not comprise cotton fibers.
Through detection, the tensile strength of the light and thin apocynum venetum fiber functional fabric is 399, and the tearing strength (transverse direction and longitudinal direction) is 88, and the constant load elongation (transverse direction and longitudinal direction) is 1% and the antibacterial rate is 99.5%.
It follows that if the cotton fibers are absent from the fabric, the constant load elongation (transverse and longitudinal) of the fabric does not meet the requirements of the present invention.
Comparative example 5
Light and thin apocynum fiber functional fabric:
example 1 was repeated, with the only differences that: the apocynum fiber fabric comprises apocynum fibers and cotton fibers, and does not comprise mint fibers.
Through detection, the tensile strength of the light and thin apocynum fiber functional fabric is 391, and the tearing strength (transverse direction and longitudinal direction) is 75, the constant load elongation (transverse direction and longitudinal direction) is 3.1%, and the antibacterial rate is 98.3%.
It follows that if the mint fiber is absent from the facing, the tearing strength (transverse and longitudinal) and the antibacterial rate of the facing do not meet the requirements of the present invention.
Comparative example 6
Light and thin apocynum fiber functional fabric:
example 1 was repeated, with the only differences that: the functional coating comprises negative oxygen ion powder and bergamot powder, and does not comprise aqueous polyurethane resin.
Through detection, the negative oxygen ion powder and the bergamot powder cannot be coated on the surface of the fabric; the aqueous polyurethane is a proper carrier of negative oxygen ion powder and bergamot, and cannot be absent.
The foregoing describes specific embodiments of the present disclosure. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the specification do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; combinations of features of the above embodiments or in different embodiments are also possible within the spirit of the present disclosure, steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments described above which are not provided in detail for the sake of brevity.
Furthermore, where specific details are set forth in order to describe example embodiments of the disclosure, it should be apparent to one skilled in the art that one or more embodiments of the disclosure can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative in nature and not as restrictive.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of those embodiments will be apparent to those skilled in the art in light of the foregoing description.
The present disclosure is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments of the disclosure, are therefore intended to be included within the scope of the disclosure.
Claims (10)
1. A light and thin apocynum fiber functional fabric is characterized in that: comprises a kendir fiber fabric and a functional coating;
the apocynum fiber fabric comprises apocynum fibers, mint fibers and cotton fibers, wherein the blending ratio is 4.8-5.2:2.8-3.2:1.8-2.2;
the functional coating comprises negative oxygen ion powder, bergamot powder and aqueous polyurethane resin;
the weight part ratio of the negative oxygen ion powder to the bergamot powder to the aqueous polyurethane resin is 18-22:14-16:60-70;
wherein the sizes of the negative oxygen ion powder and the bergamot powder are 4000-4500 meshes;
the aqueous polyurethane resin consists of polymer polyol, polyisocyanate, a chain extender, a neutralizing agent, a coupling agent, an auxiliary agent and water.
2. The thin and light apocynum fiber functional fabric according to claim 1, wherein: the weight part ratio of the polymer polyol to the polyisocyanate to the chain extender to the neutralizer to the coupling agent to the auxiliary agent to the water is 100:100:9-15:0.1-1.5:1.3-2.3:11-24:30-40.
3. The thin and light apocynum fiber functional fabric according to claim 1, wherein: the polymer polyol is selected from one or more of polyether 4110 produced by Shandong Jia Yi chemical technology Co., ltd, polyether polyol 240 produced by Shanghai Dong Hui chemical technology Co., ltd, or polypropylene glycol PPG-4000.
4. The thin and light apocynum fiber functional fabric according to claim 1, wherein: the polyisocyanate is selected from one or more of toluene diisocyanate, diphenylmethane-4, 4' -diisocyanate, 1, 6-hexamethylene diisocyanate, isophorone diisocyanate and 4, 4-dicyclohexylmethane diisocyanate.
5. The thin and light apocynum fiber functional fabric according to claim 1, wherein: the chain extender is one or more selected from dimethylolpropionic acid, dimethylolbutyric acid, sodium ethylenediamine ethanesulfonate, N-methyldiethanolamine and triethanolamine.
6. The thin and light apocynum fiber functional fabric according to claim 1, wherein: the neutralizer is one or more selected from triethylamine, ammonia water, sodium hydroxide, acetic acid and hydrochloric acid.
7. The thin and light apocynum fiber functional fabric according to claim 1, wherein: the coupling agent is one or more selected from trimethylolpropane, triethanolamine, glycerol and diethylenetriamine.
8. The thin and light apocynum fiber functional fabric according to claim 1, wherein: the auxiliary agent is one or more selected from defoamer, wetting dispersant, ultraviolet light absorber, waterproof agent, film forming auxiliary agent and thickener.
9. The thin and light apocynum fiber functional fabric according to claim 1, wherein: the aqueous polyurethane resin is prepared by mixing polymer polyol, polyisocyanate, a chain extender, a neutralizing agent, a coupling agent, an auxiliary agent and water in a reaction kettle.
10. The method for preparing the light and thin apocynum venetum fiber functional fabric according to any one of claims 1 to 9, comprising the following steps:
the functional coating is coated on the surface of one side of the apocynum fiber fabric in a spraying mode, the thickness is 10+/-1 mu m, the curing temperature is 120+/-12 ℃, and the curing time is 25-35 minutes.
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