CN112680844A - Antibacterial thermoregulation yarn and fabric made of sarcandra glabra and preparation method of antibacterial thermoregulation yarn and fabric - Google Patents
Antibacterial thermoregulation yarn and fabric made of sarcandra glabra and preparation method of antibacterial thermoregulation yarn and fabric Download PDFInfo
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Abstract
The invention relates to the technical field of textile fabrics, and provides sarcandra glabra plant antibacterial temperature-regulating yarn, a fabric and a preparation method, wherein the sarcandra glabra plant antibacterial temperature-regulating yarn is a blended yarn formed by viscose-based sarcandra glabra fibers, viscose-based temperature-regulating fibers and cotton fibers, the content of the viscose-based sarcandra glabra fibers is 30-35%, and the content of the viscose-based temperature-regulating fibers is 30-40%; the viscose-based temperature-regulating fibers contain microencapsulated hydrocarbon wax. The blended yarn and the fabric provided by the invention can realize lasting antibacterial effect on plants, can realize intelligent temperature adjustment, can absorb moisture and ventilate, greatly improve the additional value of textile products, particularly broaden the varieties of fabrics for babies and children, and fill up the market blank.
Description
Technical Field
The invention relates to the technical field of textile fabrics, in particular to novel sarcandra glabra plant antibacterial temperature-regulating yarn, a novel sarcandra glabra plant antibacterial temperature-regulating fabric and a preparation method.
Background
With the development and progress of social economy, China puts forward new requirements on the development of the textile industry, high-performance fibers, intelligent products and green production become important guidelines for building the textile strong country, and consumers put forward higher requirements on comfort, functionality, green and environment protection and the like of clothes.
At present, viruses are abused, pathogenic bacteria are transverse, and particularly infants are weak in resistance and are easily infected by the pathogenic bacteria. In addition, due to the fact that seasons alternate and weather temperature changes, infants are prone to catch cold, and a research subject is provided on how to protect textiles such as home furnishing and clothes. Most of the antibacterial fabrics mainly applied in the market at present come from chemical auxiliaries, and are neither environment-friendly nor durable; most of the permanent antibacterial fibers cannot be made of natural herbs, so that the application is not facilitated.
Sarcandra glabra fiber is a novel plant antibacterial fiber, and is generally prepared by taking regenerated cellulose such as viscose and the like as a base and adding functional components of sarcandra glabra. The fiber has high strength, good hygroscopicity, good dyeability, soft hand feeling, luster, good hygroscopicity and air permeability, and has multiple biological activities of resisting tumor, resisting bacteria, diminishing inflammation, inhibiting influenza virus, promoting fracture healing, relieving pain and the like. The special components in the sarcandra glabra endow the sarcandra glabra with broad-spectrum antibacterial effect, and have high-efficiency resisting and inhibiting effects on staphylococcus aureus, candida albicans and escherichia coli. Sarcandra glabra fiber can be applied to knitted underwear, home textile fabrics and other products, however, the existing sarcandra glabra fiber and fabric are difficult to achieve natural antibiosis and intelligent temperature regulation at the same time, and the comfort and the protection application effect need to be improved.
Disclosure of Invention
In view of the above, the sarcandra glabra plant antibacterial temperature-regulating yarn and fabric and the preparation method thereof are provided, the yarn and the fabric provided by the invention have multiple effects of plant antibacterial property, intelligent temperature regulation and the like, have very high additional values and wide market prospects, and are particularly suitable for fabrics for infants and children.
The invention provides sarcandra glabra plant antibacterial temperature-regulating yarn which is blended yarn consisting of viscose-based sarcandra glabra fibers, viscose-based temperature-regulating fibers and cotton fibers, wherein the content of the viscose-based sarcandra glabra fibers is 30-35%, and the content of the viscose-based temperature-regulating fibers is 30-40%; the viscose-based temperature-regulating fibers contain microencapsulated hydrocarbon wax.
Preferably, the viscose-based temperature control fiber is Outlast viscose fiber; the specifications of the sarcandra glabra plant antibacterial temperature-regulating yarn are 30-40S.
The invention provides a preparation method of sarcandra glabra plant antibacterial temperature-regulating yarn, which comprises the following steps:
spinning by using viscose-based sarcandra glabra fibers, viscose-based temperature-regulating fibers and cotton fibers as fiber raw materials to prepare sarcandra glabra plant antibacterial temperature-regulating yarn;
the mass ratio of the viscose-based sarcandra glabra fiber to the viscose-based temperature-regulating fiber is 30-35: 30-40 parts of; the viscose-based temperature-regulating fibers contain microencapsulated hydrocarbon wax.
Preferably, the spinning is specifically: performing a blowing process, a drawing process, a roving process and a spinning process in sequence; the spinning mode is siro compact spinning.
Preferably, in the carding procedure, the viscose-based sarcandra glabra fiber and the viscose-based temperature-regulating fiber are respectively mixed with the combed cotton sliver in advance;
and carrying out drawing on cotton slivers obtained by carding, and pre-mixed viscose-based sarcandra glabra slivers and viscose-based temperature-regulating slivers.
Preferably, the twist of the resultant yarn obtained through the spinning step is 130-.
The invention provides a fabric which is woven by the sarcandra glabra plant antibacterial temperature-adjusting yarn.
Preferably, the fabric is jacquard knitted double-faced cloth; the gram weight of the fabric is 150-250g/m2。
Preferably, the fabric is a finished fabric obtained by sequentially carrying out pretreatment, dyeing, drying and setting on woven grey cloth; the pretreatment comprises refining and bleaching.
Preferably, the temperature of the refining and bleaching processes does not exceed 100 ℃, and the using amount of the caustic soda does not exceed 5 g/L.
The invention selects sarcandra glabra components extracted from natural sarcandra glabra and adds viscose spinning solution to prepare viscose-based sarcandra glabra fiber, the antibacterial function of the fiber is completely from the plant attribute, and the fiber has the characteristics of health and no stimulation. In addition, the invention adopts viscose-based sarcandra glabra fiber, viscose-based temperature-adjusting fiber and cotton fiber in a specific proportion to prepare yarns through a blending process, and then the yarns are woven into jacquard knitted fabrics and other types of fabrics. The viscose-based temperature-regulating fiber is a high-technology product which adopts microcapsule phase-change materials and combines the microcapsule phase-change materials with the viscose fiber manufacturing technology, and the micro-environment temperature of the viscose-based temperature-regulating fiber can be effectively regulated. The content of the viscose-based sarcandra glabra fiber is 30-35%, the content of the viscose-based temperature-adjusting fiber is 30-40%, and the yarn is beneficial to realizing multiple effects. Therefore, the blended yarn and the fabric can resist bacteria for a long time, can intelligently regulate the temperature, can absorb moisture and ventilate, greatly improve the added value of textile products, particularly broaden the varieties of fabrics for babies and children, and fill up the market blank.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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 invention provides sarcandra glabra plant antibacterial temperature-regulating yarn which is a blended yarn formed by viscose-based sarcandra glabra fibers, viscose-based temperature-regulating fibers and cotton fibers, wherein the content of the viscose-based sarcandra glabra fibers is 30-35%, and the content of the viscose-based temperature-regulating fibers is 30-40%; the viscose-based temperature-regulating fibers contain microencapsulated hydrocarbon wax.
The yarn provided by the invention has multiple effects of natural lasting antibiosis, intelligent temperature regulation, moisture absorption and the like, solves the problems of auxiliary agent antibiosis and non-plant antibiosis in the market, increases the temperature regulation function, is beneficial to application in products such as fabrics for babies, can protect the babies from being damaged, and is in a safer microenvironment.
In the invention, the sarcandra glabra plant antibacterial thermoregulation yarn contains viscose sarcandra glabra fiber, and is prepared by adding sarcandra glabra components extracted from natural sarcandra glabra into viscose spinning solution for spinning. The embodiment of the invention adopts the commercially available viscose-based sarcandra glabra fiber, such as sarcandra glabra @ fiber product of Qingdao Bangte fiber GmbH, which is prepared by taking natural plant sarcandra glabra as a raw material and blending and spinning the natural plant sarcandra glabra with viscose spinning solution, and the antibacterial property meets the FZ/T73023 standard; the sarcandra glabra comprises the following main chemical components: astilbin, isoflavone, rhamnosyl glucoside, tannin, and aesculin. The sarcandra glabra fiber applied by the invention is natural and environment-friendly, and also has the functions of antibiosis and antiphlogosis.
In order to improve the comfort, the protection and the like of the fabric, viscose-based temperature-adjusting fibers and cotton fibers are mixed in the yarn provided by the invention. The viscose-based temperature-regulating fiber is a high-technology product which adopts microcapsule phase-change materials and combines the microcapsule phase-change materials with the viscose fiber manufacturing technology, has a bidirectional temperature regulating effect, can automatically absorb, store, distribute and release heat, and effectively regulates the temperature, so that the fiber can be kept in a certain temperature range according to the requirements of a human body.
Specifically, the viscose-based temperature control fiber is Outlast viscose, which is a new fiber product of Outlast technologies, usa. The Outlast viscose fiber has the key technology that a heat-sensitive phase-change material wrapped by a microcapsule is used; the material has the functions of absorbing, storing and releasing heat in the form of latent heat, and the phase change materials can be mutually converted in the forms of solid and liquid in the temperature change, so that the heat absorption and heat release effects are achieved. The microcapsule heat-sensitive phase-change material in the Outlast viscose fiber is hydrocarbon wax which can make corresponding reaction on the skin to the change of the external environment temperature and has the buffer effect on the temperature change.
In the invention, the content of the viscose-based sarcandra glabra fiber is 30-35%, and the content of the viscose-based temperature-adjusting fiber is 30-40%. If the fiber content of the viscose-based sarcandra glabra is more than 35 percent, the heating effect can affect the temperature regulation, and if the fiber content is too small, the antibacterial effect of the sarcandra glabra plant is difficult to be exerted; moreover, the mass content of Outlast viscose fiber should be controlled to be 30-40% to achieve good constant temperature effect.
In addition, because the spinning performance of Outlast viscose and viscose-based sarcandra glabra fiber is not very high, the application performance and the cost of the yarn are easily influenced, the sarcandra glabra/Outlast/cotton blended yarn can be prepared by matching the cotton fiber with a certain proportion in the embodiment of the invention.
In some embodiments of the present invention, in the sarcandra glabra plant antibacterial temperature-regulating yarn, the ratio of the viscose-based sarcandra glabra fiber to the viscose-based temperature-regulating fiber to the cotton fiber is 30: 30: 40; in other embodiments, the mixture ratio of the three is 35: 35: 30, or 33: 32: 35. and the specifications of the sarcandra glabra plant antibacterial temperature-regulating yarn can be 30-40S, such as 32S, 33S, 40S and the like.
The invention provides a preparation method of sarcandra glabra plant antibacterial temperature-regulating yarn, which comprises the following steps:
spinning by using viscose-based sarcandra glabra fibers, viscose-based temperature-regulating fibers and cotton fibers as fiber raw materials to prepare sarcandra glabra plant antibacterial temperature-regulating yarn;
the mass ratio of the viscose-based sarcandra glabra fiber to the viscose-based temperature-regulating fiber is 30-35: 30-40 parts of; the viscose-based temperature-adjusting fiber contains microencapsulated hydrocarbon wax, is preferably Outlast viscose fiber, has the specifications of 2.2dex, 3.3dex, 5dex and the like, and has different lengths of 51mm and 60-110 mm. Illustratively, Outlast viscose 1.7D 41mm is used in the present examples.
The embodiment of the invention can adopt a blowing-carding integrated combination machine to carry out spinning trial production, and the process flow specifically comprises the following steps: blowing and mixing → cotton carding → drawing (3 channel) → roving → spun yarn → spooling, siro compact spinning. That is, the spinning process of the embodiment of the present invention mainly includes a blowing-carding step, a drawing step, a roving step, and a spinning step, and the spinning method is compact siro spinning.
In the preferred embodiment of the invention, the Outlast viscose fiber is sprayed with the mixed solution of the anti-skid agent and water, and is wrapped after balancing for 24 hours; in order to improve the spinning performance and cohesion force of the fiber, the Outlast viscose fiber and the viscose-based sarcandra glabra fiber are respectively mixed with the combed cotton in advance and drawn during the carding process, and the Outlast viscose fiber and the combed cotton sliver can be specifically mixed according to the ratio of 80: 20, and the viscose-based sarcandra glabra fiber and the combed cotton sliver are mixed according to the weight ratio of 80: 20 mass ratio into a disc for mixing production. Meanwhile, the cotton fiber is subjected to conventional blowing and mixing and is carded into cotton sliver.
The problems needing attention in the blowing process in the embodiment of the invention comprise:
1) the blowing and carding process is based on the principle of short flow, more combs, less beating and low speed, so that excessive fiber beating is avoided, and fiber damage is reduced.
2) In order to reduce the damage of the fiber, the distance between the cylinder and the cover plate is properly enlarged.
3) The pressure of the cotton feeding roller is properly increased to strengthen the holding of the cotton layer, improve the carding effect of the licker-in and reduce the cotton web cloud spots.
4) The Oulast viscose fiber has less crimp and is easy to straighten, and the weight of the sliver and the tension drafting multiple of the web are properly reduced, so that the phenomena of head floating and web dropping of the web during cotton carding are reduced, and the unevenness of the sliver evenness is reduced.
5) The doffer speed is properly reduced, the carding load is reduced, the spacing between the cylinder and the doffer is properly smaller, and smooth transfer of fibers is facilitated; the doffer and the stripping roller have moderate gauge.
6) The production is based on the principle of light weight, low speed, less damage, small tension drafting, and light beating and carding.
In the embodiment of the invention, the pre-mixed viscose-based sarcandra glabra sliver, the Outlast fiber sliver and the cotton sliver obtained by single cotton carding are mixed according to a certain proportion in the drawing process. The mass ratio of the viscose-based sarcandra glabra fiber to the viscose-based temperature-regulating fiber is 30-35: 30-40 parts of; specifically, the ratio of the viscose-based sarcandra glabra fiber, the viscose-based temperature-adjusting fiber and the cotton fiber can be 30: 30: 40; in other embodiments, the mixture ratio of the three is 35: 35: 30, or 33: 32: 35.
the drawing process of the embodiment of the invention can adopt an AS271 drawing frame, and the raw sliver ration is 20g/5 m. The embodiment of the invention generally adopts three-channel mixing, and the number of the mixing channels is 6. Wherein, the total draft multiple of the first mixing is slightly larger than the number of the combined elements, so as to be beneficial to improving the parallelism and the straightness of the fiber. The total drafting multiple of the second and third mixing approaches to the merging number so as to reduce the influence of the drafting wave on the uniformity of the short segment. Further, the roller center distance was 42mm 45mm 52mm, and the draft ratio in the rear zone was 1.7 times.
After the drawing process is completed, the embodiment of the invention sequentially performs a roving process and a spinning process to obtain blended yarns. The machine model can be FA498 type roving frame and AS511A type spinning frame, and the blended and drawn sliver of sarcandra glabra/outlast/combed cotton fiber is adopted, and the drawn sliver ration is 13g/5 m. The process is based on smaller roller gauge, smaller roving twist factor, larger drafting multiple and larger roller pressurization, so that the fibers are further fully mixed, the evenness is reduced, and the drafting slippage is avoided. Preferably, the draft in the back zone is 1.3 times, the total draft is 6.9 times, the roller center distance is 38mm 51mm 55mm, the roller pressure is 150N 250N 150N 100N, and the twist is 48T/m.
In the spinning process, the used roving has the fixed weight of 4.9g/5 m; the roller gauge was 49mm 52mm 62mm, the draft in the back zone was 2.4, the total draft was 25.6, and the twist was 810T/m. The compact siro spinning in the embodiment of the invention is slightly different from the common spinning mode, the twist is slightly larger than the conventional twist, the temperature and the humidity are normally controlled, and the speed of each process is reduced by 30-40%. The twist of the resultant yarn obtained by the spinning step is preferably 130-.
In some embodiments of the invention, the primary yarn quality indicators are: weight CV 1.5%, evenness CV 14.2%, evenness CVb2.5 percent, 8 pieces of detail/km, 26 pieces of slub/km, 67 pieces of neps/km, average tenacity 146cN, single tenacity CV10.2 percent, twist 135 twist/10 cm and hairiness index H4.1 or so. The sarcandra glabra plant antibacterial temperature-regulating yarn is obtained by spooling and winding.
The invention provides a fabric which is woven by the sarcandra glabra plant antibacterial temperature-adjusting yarn. The invention preferably provides a novel knitted fabric capable of achieving permanent plant antibiosis and intelligent temperature regulation for infants, namely the fabric is a knitted fabric, and particularly relates to a novel outlast sarcandra glabra plant antibiosis intelligent temperature regulation fabric for infants. According to the invention, the sarcandra glabra plant antibacterial temperature-regulating yarn obtained by spinning is woven into the knitted fabric, and the knitted fabric has the advantages of moisture absorption, ventilation, antibiosis, bacteriostasis and capability of achieving the effect of intelligent temperature regulation. The fabric breaks through the technical problem of natural antibacterial and intelligent temperature-adjusting double-layer effects, has very high additional value and wide market prospect, and is particularly suitable for the fabric of the children's garments.
According to the invention, the blending process of viscose-based sarcandra glabra fiber, viscose-based Outlast fiber and cotton fiber is tried for the first time to prepare yarns, the yarns are further woven into jacquard knitted fabric, and finally finished products such as baby sleeping bags and the like can be prepared, so that the added value of the common knitted fabric is greatly improved, and the varieties of the baby fabric are widened. The fabric can be jacquard knitted double-faced cloth with the gram weight of 150-2. Specifically, some embodiments of the invention adopt viscose-based sarcandra glabra fiber, viscose-based Outlast fiber and cotton fiber to prepare 40S blended yarn in 30/30/40 proportion, and finally the blended yarn is woven into 200g/m2The jacquard double-faced fabric is knitted. The infant knitted fabric has the advantages of long-acting plant antibiosis, intelligent temperature adjustment, and good comfort and protection.
The weaving process of the embodiment of the invention is as follows: adopts 40S sarcandra glabra/outlast/cotton blended yarn with 30/30/40 proportion on a circular knitting jacquard machine to interweave into 200g/m2The jacquard knitted double-sided cloth has 32 needles and a width of 160 cm.
The embodiment of the invention also comprises a dyeing and finishing process for producing and obtaining the dyed fabric; the process flow specifically comprises the following steps: grey cloth → pretreatment → dyeing → dehydration → drying → shaping → inspection. Wherein the singeing of the fabric blank should be performed after dyeing. The pretreatment mainly comprises refining and bleaching, and anti-pilling treatment should be carried out during the refining process; the bleaching can be alkaline oxygen bleaching, chlorine bleaching is not suitable, and the fabric is easy to yellow.
In addition, in the refining and bleaching processes of some embodiments of the invention, the concentration and temperature of the alkali liquor have certain destructive effects on the microcapsules in Outlast viscose fibers, and the temperature preferably does not exceed 100 ℃ in the process, and the consumption of the caustic soda does not exceed 5 g/L. In addition, the fabric can not be mercerized, and the mercerization has certain damage effect on microcapsules in Outlast viscose fibers under the conditions of high alkali and strong tension treatment; the calendering treatment also has a certain damage effect on the microcapsules in the fibers.
The dyeing and finishing post-treatment process has no special process requirements and is mainly carried out according to the conventional process. In addition, after finishing of the fabric, the fabric is soft by clear water and cannot exert the effect by being soft by silicone oil. How to use the clear water to soften and guarantee the hand feeling of the fabric is also a technical difficulty, and the soft oil can be added in the production of large goods, so that the effect is guaranteed while the hand feeling (the hand feeling index is mainly judged subjectively) is guaranteed.
In conclusion, the blended yarn and the fabric provided by the invention can realize lasting antibacterial effect on plants, can realize intelligent temperature adjustment, can absorb moisture and ventilate, greatly improve the additional value of textile products, particularly broaden the varieties of fabrics for babies and children, and fill up the market blank.
In order to further understand the application, the antibacterial temperature-regulating yarn, the fabric and the preparation method of the sarcandra glabra plant provided by the application are specifically described below by combining the examples. It should be understood, however, that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention, which is defined by the following examples.
The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by manufacturers, and are all conventional products available on the market.
EXAMPLE 1 spinning Process
Spraying the Outlast viscose fiber with the thickness of 1.7D 41mm by using the mixed solution of 1.5 percent of the anti-slip agent and 1.5 percent of water, and packing after balancing for 24 hours; mixing Outlast viscose fiber and viscose-based sarcandra glabra fiber with combed cotton respectively in advance: outlast viscose and combed cotton sliver were pressed at 80: 20, and viscose-based sarcandra glabra fiber (sarcandra glabra @ fiber product of Qingdao Bangte fiber, Inc.) and combed cotton sliver in a ratio of 80: 20, putting the mixed yarn into a disc for mixing production, and finally mixing the mixed Outlast fiber yarn, the mixed sarcandra glabra fiber yarn and the single combed cotton yarn in the drawing process according to the proportion requirement of 35/35/30.
The process flow comprises the following steps: blowing and mixing → cotton carding → drawing (3 channel) → roving → spun yarn → spooling, siro compact spinning.
1. Blowing and carding process
The blowing-carding process adopts a blowing-carding integrated combination machine to carry out spinning trial production according to the principle of short flow, more carding, less beating and low speed. Wherein, the distance between the cylinder and the cover plate is properly enlarged. Properly increasing the pressure of the cotton feeding roller; properly reducing the raw sliver ration and the tension drafting multiple of the cotton web; the doffer speed is reduced appropriately. The doffer and the stripping roller have moderate gauge. The production is based on the principle of light weight, low speed, less damage, small tension drafting, and light beating and carding.
2. Drawing process
Using an AS271 type drawing frame, the weight of the raw sliver was 20g/5 m. Three-channel mixing is adopted, and the number of the mixed roots is 6. Wherein the total drafting multiple of the first mixing is slightly larger than the number of combined roots; the total draft multiple of the second and third mixing approaches the merging number. The roller center distance is 42mm 45mm 52mm, and the back zone draft multiples are unified to 1.7 times.
3. Roving process
The machine model is FA498 type roving frame, adopting sarcandra glabra/outlast/combed cotton fiber mixing and ripened strips, the ripened strip ration is 13g/5 m. The process is based on smaller roller space, smaller roving twist factor, larger draft multiple and larger roller pressurization, wherein the draft multiple of the rear zone is 1.3 times, the total draft multiple is 6.9 times, the roller center distance is 38mm 51mm 55mm, the roller pressure is 150N 250N 150N 100N, and the twist is 48T/m.
4. Spinning process
Spinning is carried out by an AS511A type spinning machine, and the roving basis weight is 4.9g/5 m. The roller gauge was 49mm 52mm 62mm, the draft in the back zone was 2.4, the total draft was 25.6, and the twist was 810T/m. Wherein the main yarn quality indexes are as follows: weight CV 1.5%, evenness CV 14.2%, evenness CVb2.5 percent, 8 pieces of detail/km, 26 nubs/km, 67 neps/km, average strength 146cN, single strength CV10.2 percent, twist 135 twist/10 cm, and hairiness index H4.1 or so.
In this embodiment, a blended yarn of 40S is prepared from viscose-based sarcandra glabra fiber, Outlast viscose fiber and cotton fiber according to 30/30/40 ratio, and the sarcandra glabra plant antibacterial temperature-regulating yarn (sarcandra glabra/Outlast/cotton blended yarn) is obtained.
Example 2 weaving Process
On a jacquard circular knitting machine, the sarcandra glabra/outlast/cotton blended yarn with the proportion of 30/30/40S in the embodiment 1 is adopted to interweave into jacquard knitted double-sided cloth with the gram weight of 200g/m232 needles, 160cm width.
The dyeing and finishing process flow comprises the following steps: (wool) grey cloth → pretreatment → dyeing → dehydration → drying → shaping → inspection; the dyeing and finishing post-treatment process has no special process requirements and is carried out according to the conventional process.
The problems to be noted are as follows:
(1) the singeing of the fabric is carried out after dyeing, and the anti-pilling treatment is carried out in the scouring process.
(2) The temperature in the refining and bleaching process is not more than 100 ℃, and the usage amount of caustic soda is not more than 5 g/L; the fabric is not mercerized and not calendered.
(3) And the fabric is soft by clear water after finishing, and the soft oil is added in the production of large goods.
The invention tests the performance of the finished fabric after dyeing and finishing, and the test result is as follows. Wherein, table 1 is an antibacterial test report.
TABLE 1 antibacterial test results for fabrics in the examples of the invention
The sarcandra glabra has natural bacteriostatic ability, the bacteriostatic rate of the knitted fabric obtained by the invention on candida albicans, staphylococcus aureus, escherichia coli and the like reaches more than 90%, the bacteriostatic level reaches the AAA standard, and the knitted fabric can resist 50 times of washing.
Outlast viscose fiber has the function of ecological automatic temperature regulation, the form of a substance is automatically changed along with the change of temperature, the temperature balance is maintained through the release and absorption of heat, and the temperature regulation process is dynamic and interactive. When the temperature of the contacted human body is too high, the fabric containing the Oulast fibers can absorb excessive heat and store the heat in the phase-change microcapsules. When the temperature of human body is too low, the heat in the microcapsule can be released, and the skin of human body is always at a comfortable temperature.
As shown in the following test report, table 2 is a test report of the heat absorption and release performance of the fabric. When the human body temperature is in the range of 22.6 ℃ to 34.7 ℃, Oulast reaches the melting temperature and starts to absorb heat, wherein when the human body temperature reaches 33.1 ℃, the heat absorption peak value is reached and is 7.59J/g (the heat absorption effect is best at 33.1 ℃, and the heat can be absorbed by 7.59J/g). When the external temperature is in the range of 18 ℃ to 28.5 ℃, Outlast reaches the crystallization temperature and starts to release heat, wherein when the external temperature reaches 25.4 ℃, the exothermic peak is reached and is 7.39J/g (the exothermic effect is best at 25.4 ℃, and the heat release is 7.39J/g).
Table 2 heat absorption and heat release performance test results of the fabrics in the examples of the present invention
Comparative example 1
The process steps according to example 1 are distinguished in that the fibre ratio is: sarcandra glabra fiber 50%, Outlast fiber 20%, cotton fiber 30%. The fabric woven according to the proportion has a slight heating effect instead of an obvious temperature regulating effect.
Comparative example 2
The process steps according to example 1 are distinguished in that the fibre ratio is: sarcandra glabra fiber 20%, Outlast fiber 80%, cotton fiber 10%. The fabric woven according to the proportion has the advantages of unobvious antibacterial effect and high price, and the shrinkage rate of the fabric is high due to the fact that cotton is few in components.
From the above embodiments, in the embodiments of the present invention, the viscose-based sarcandra glabra fiber, the viscose-based Outlast fiber and the cotton fiber are used for the first time to manufacture the blended yarn with the specification of 40S and the like according to the specific proportion, and then the blended yarn is woven into the knitted jacquard double-sided cloth fabric, and finally the knitted jacquard double-sided cloth fabric can be manufactured into infant textile products such as infant sleeping bags and the like. The infant knitted fabric has multiple effects of lasting plant antibiosis and intelligent temperature adjustment. The development of the knitted fabric is on the market, the defects of auxiliary agent antibiosis and non-plant antibiosis on the market are successfully overcome, meanwhile, the intelligent temperature adjusting function which is urgently needed by the infant textiles is added, the infant is protected from being damaged, and the knitted fabric is in a safer environment. The invention greatly improves the added value of the common knitted fabric, widens the varieties of the fabrics for babies and children, and fills the market blank.
The above description is only a preferred embodiment of the present invention, and it should be noted that various modifications to these embodiments can be implemented by those skilled in the art without departing from the technical principle of the present invention, and these modifications should be construed as the scope of the present invention.
Claims (10)
1. The sarcandra glabra plant antibacterial temperature-regulating yarn is a blended yarn formed by viscose-based sarcandra glabra fibers, viscose-based temperature-regulating fibers and cotton fibers, wherein the content of the viscose-based sarcandra glabra fibers is 30-35%, and the content of the viscose-based temperature-regulating fibers is 30-40%; the viscose-based temperature-regulating fibers contain microencapsulated hydrocarbon wax.
2. The sarcandra glabra plant antibacterial temperature regulating yarn as claimed in claim 1, wherein the viscose based temperature regulating fiber is Outlast viscose fiber; the specifications of the sarcandra glabra plant antibacterial temperature-regulating yarn are 30-40S.
3. A preparation method of sarcandra glabra plant antibacterial temperature-regulating yarn comprises the following steps:
spinning by using viscose-based sarcandra glabra fibers, viscose-based temperature-regulating fibers and cotton fibers as fiber raw materials to prepare sarcandra glabra plant antibacterial temperature-regulating yarn;
the mass ratio of the viscose-based sarcandra glabra fiber to the viscose-based temperature-regulating fiber is 30-35: 30-40 parts of; the viscose-based temperature-regulating fibers contain microencapsulated hydrocarbon wax.
4. The method for preparing as claimed in claim 3, wherein the spun yarn is specifically: performing a blowing process, a drawing process, a roving process and a spinning process in sequence; the spinning mode is siro compact spinning.
5. The manufacturing method according to claim 4, wherein in the carding process, the viscose-based sarcandra glabra fiber and the viscose-based temperature-adjusting fiber are respectively pre-mixed with the combed cotton sliver;
and carrying out drawing on cotton slivers obtained by carding, and pre-mixed viscose-based sarcandra glabra slivers and viscose-based temperature-regulating slivers.
6. The method as claimed in claim 4, wherein the yarn obtained through the spinning step has a twist of 130-140 twist/10 cm and an average tenacity of 140-150 cN.
7. A fabric, characterized in that the sarcandra glabra antibacterial temperature-adjusting yarn is weaved by the sarcandra glabra antibacterial temperature-adjusting yarn of any one of claims 1 to 2 or the sarcandra glabra antibacterial temperature-adjusting yarn obtained by the preparation method of any one of claims 3 to 6.
8. The fabric according to claim 7, wherein the fabric is a jacquard knitted double-sided fabric; the gram weight of the fabric is 150-250g/m2。
9. The fabric according to claim 8, wherein the fabric is a finished fabric obtained by pre-treating, dyeing, drying and setting a woven grey fabric in sequence; the pretreatment comprises refining and bleaching.
10. A fabric according to claim 9, wherein the scouring and bleaching process is carried out at a temperature of no more than 100 ℃ and at a caustic soda dosage of no more than 5 g/L.
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