CN117904764B - Tiro compact spun yarn containing wool fibers and production method and application thereof - Google Patents
Tiro compact spun yarn containing wool fibers and production method and application thereof Download PDFInfo
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- 241001245789 Goodea atripinnis Species 0.000 title description 2
- 241000168254 Siro Species 0.000 claims abstract description 78
- 238000009987 spinning Methods 0.000 claims abstract description 51
- 229920000433 Lyocell Polymers 0.000 claims abstract description 38
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- 229920001661 Chitosan Polymers 0.000 claims description 38
- 239000000661 sodium alginate Substances 0.000 claims description 36
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
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- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 15
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
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- 235000010413 sodium alginate Nutrition 0.000 claims description 15
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Abstract
The application relates to the technical field of spun yarns, in particular to a siro compact spun yarn containing wool fibers, and a production method and application thereof; the application discloses a siro compact spinning yarn, which comprises a yarn main body, wherein the yarn main body comprises the following raw materials in percentage by mass: 5-50% of wool fiber and 50-95% of lyocell fiber; the fineness of the wool fiber is 0.1-25 mu m; the fineness of the lyocell fiber is 0.1-10dtex; the length of the lyocell fiber is 38-100mm; according to the application, through the selection of the thickness of wool fibers, the selection of the length and the thickness of lyocell fibers and the study of the twist coefficient, a siro compact spinning process is adopted to obtain the spun yarn with fluffy and soft properties, pilling resistance and breaking strength of more than 20cN/tex, so that the effect of obtaining high-proportion wool from low-proportion wool is realized.
Description
Technical Field
The invention relates to the technical field of spun yarns, in particular to a siro compact spun yarn containing wool fibers, and a production method and application thereof.
Background
Along with the improvement of the living standard of people and the change of clothing trend, people are more touted for natural environment-friendly fibers. Wool textiles are known to be comfortable to wear in natural style, and the extensibility and rebound resilience of wool enable the textile to feel plumper and high in warmth retention; the wool also has certain crease resistance and wear resistance, and can be used for manufacturing durable clothes, and the wool has pure color and natural and soft luster. Therefore, the fiber is widely applied to various fields such as clothing and home textiles.
Because of the relatively high price of wool fabric, wool spinning is generally used for luxury of 100% wool, and consumer groups are limited; secondly, wool fabric is easy to form wool balls and is easy to shrink and deform; the cost is generally reduced by blending wool and other fibers in the market, and the wool blending product has the advantages of being more expensive than a worsted product, but has weak wool feeling and limited application scenes.
In order to obtain a fluffy effect, the conventional yarn is generally low in twist, but after the twist is low, the twisting moment of the yarn is reduced, the ability of transmitting the twist to a front roller is weakened, the constraint force on fibers in a twisting triangle area is weakened, the hairiness of the yarn is increased, the strength is obviously reduced, and the spinning efficiency is reduced; the problems of poor wear resistance and the like are brought to the fabric, and the anti-pilling performance and the like of the final textile are affected.
The development of yarns is required to be continuously promoted to be new and the quality is improved, so that the problems that the fabric is easy to get up and has weak fuzziness are solved, and the development of fluffy, soft and anti-pilling yarns is a problem to be solved urgently.
Disclosure of Invention
Aiming at the defects of the prior art, the application provides a siro compact spinning yarn containing wool fibers, and a production method and application thereof; the application aims to provide a yarn which is moderate in price, low in wool proportion, fluffy, soft and anti-pilling and a textile made of the yarn.
In a first aspect, the present application provides a siro compact spun yarn, which adopts the following technical scheme:
a siro compact spun yarn comprising a yarn body comprising the following raw materials in mass percent: 5-50% of wool fiber and 50-95% of lyocell fiber.
Preferably, the fineness of the wool fibers is 0.1-25 μm; preferably, the fineness of the wool fibers is 14.6-20.5 μm.
More preferably, the fineness of the wool fiber is at least one of 14.6-16.5 μm, 16.6-18.5 μm, 18.6-20.5 μm.
The wool can be selected according to the fiber application, the requirement on hand feeling is not high, the thicker wool can be selected for the fabric with certain stiffness, and the fabric with soft hand feeling and no itching is selected for the high-count wool.
According to the application, wool fibers with fineness of below 25 mu m are used by a wool mixing medium-length siro compact spinning technology, so that the fabric is mild and free from itching, and the material and the fabric prepared by blending the lyocell fibers are combined, so that the fluffy, soft and anti-pilling fabric is obtained.
Preferably, the fineness of the lyocell fibers is 0.1 to 10dtex; preferably, the fineness of the lyocell fibers is 0.7 to 5.0dtex.
More preferably, the lyocell fibers are fine denier fibers with fineness of 0.7-1.5dtex and/or coarse denier fibers with fineness of 2.0-5.0 dtex.
Preferably, the length of the lyocell fibers is 38-100mm.
The thickness of the lyocell fiber is selected and reasonably matched according to the application.
According to the application, by adopting a wool mixing medium-length Siro compact spinning low-twist yarn technology, wool fibers with different thicknesses and lyocell fibers with different thicknesses are selected, so that harmful hairiness is effectively reduced, and fluffiness and softness are simultaneously ensured while anti-pilling is ensured.
According to the application, through omnibearing comparison of the thickness of the wool fibers and the thickness of the blend fibers, a matching mode of the thickness of the wool fibers and the thickness of the lyocell fibers is selected, so that a high-fluffiness and high-pilling-resistance fabric can be obtained, and the fabric is suitable for fabrics with a small requirement on stiffness in the aspect of tatting; when the matching mode of wool fibers and coarse lyocell fibers is selected, the fabric is more suitable for fabrics with higher requirements on softness and skin friendliness in the aspect of knitting.
In a second aspect, the application provides a method for producing siro compact spun yarn, which adopts the following technical scheme:
A method for producing siro compact spinning yarn comprises the following steps:
selecting a yarn main body according to the formula: wool fibers and lyocell fibers;
And weaving the yarn main body by adopting a siro compact spinning process to obtain the siro compact spinning yarn.
Preferably, the twist multiplier of the spinning process is 2.0-3.8; preferably, the twist multiplier of the spinning process is 2.4-3.6. Preferably, the breaking strength of the prepared siro compact spinning yarn is more than 20 cN/tex.
According to the application, through the selection of the thickness of wool fibers, the selection of the length and the thickness of lyocell fibers and the study of the twist coefficient, a siro compact spinning process is adopted to obtain the spun yarn with fluffy softness, anti-pilling and breaking strength of more than 20cN/tex, the effect that a low proportion of wool is obtained and a high proportion of wool is achieved, and the fabric prepared from the siro compact spinning yarn has a certain skeleton feeling and stiffness.
Preferably, the preparation method of the siro compact spinning yarn comprises the following steps: and (3) placing the prepared siro compact spinning yarn in an anti-pilling agent, soaking for 30-40min at 20-30 ℃, and then washing and drying to obtain the pretreated siro compact spinning yarn.
Preferably, the mass ratio of the siro compact spun yarn to the anti-pilling agent is 1 (10-20).
Preferably, the anti-pilling agent comprises the following raw material components in parts by mass: 10-20 parts of waterborne polyurethane, 30-40 parts of agar-sodium alginate compound, 3-8 parts of chitosan microsphere and 5-10 parts of cross-linking agent.
Preferably, the aqueous polyurethane is aqueous polyurethane F0401.
The anti-pilling agent is adopted to carry out anti-pilling finishing on the prepared siro compact spun yarn, so that the anti-pilling performance of the fabric is effectively improved. After the anti-pilling agent is adopted to treat the prepared siro compact spinning yarn, a layer of film is formed on the surface of the siro compact spinning yarn, so that the mutual occlusion of adjacent fiber scales is prevented, the directional friction effect of the fibers is weakened, the anti-pilling performance of the siro compact spinning yarn is improved, and the hand feeling of the fabric is improved.
The waterborne polyurethane F0401 (PU) is a common anti-pilling finishing agent, and because the polyurethane structure contains a large number of hydrophilic groups, the adhesive film is easy to swell when meeting water and is not resistant to water washing, the application improves the raw materials of the anti-pilling agent, and adds the agar-sodium alginate compound and the chitosan microsphere, and under the action of the cross-linking agent, the agar-sodium alginate compound, the chitosan microsphere and the waterborne polyurethane F0401 are blended, so that the defect of poor water resistance of the waterborne polyurethane F0401 can be effectively overcome, and a mixture with certain breaking strength, hygroscopicity, air permeability, antibacterial property and anti-pilling property is obtained; after the prepared anti-pilling agent is used for finishing the siro compact spinning yarn, not only is the anti-pilling performance of the siro compact spinning yarn effectively improved, but also the breaking strength, hygroscopicity, air permeability, anti-pilling and antibacterial properties of the siro compact spinning yarn are improved, and the hand feeling of the siro compact spinning yarn textile is improved.
Preferably, the preparation method of the anti-pilling agent comprises the following steps:
(1) Preparation of chitosan microspheres:
Adding chitosan into acetic acid solution with the mass concentration of 10% to obtain 50g/L chitosan solution;
Dripping the chitosan solution into a 1mol/L NaOH solution to obtain chitosan microspheres;
(2) Preparation of agar-sodium alginate complex:
Mixing agar and deionized water, adding a cross-linking agent for mixing, and then adding sodium alginate for mixing to obtain an agar-sodium alginate compound;
(3) Mixing the aqueous polyurethane and the agar-sodium alginate compound, adding chitosan microspheres for mixing, and then adding a cross-linking agent for mixing to obtain the anti-pilling agent.
Preferably, the mass ratio of the agar to the sodium alginate is (1-5): 1;
Preferably, the addition amount of deionized water is 100-300mL;
preferably, the mass ratio of the agar to the cross-linking agent is (50-250): 0.5-1.7.
According to the application, the raw materials of the anti-pilling agent are improved, the agar-sodium alginate compound is added, and the agar-sodium alginate compound with certain breaking strength, water resistance, water vapor transmittance and good film forming property is prepared by blending the agar and the sodium alginate, so that the breaking strength and the water permeability of the siro compact spinning yarn are effectively improved.
According to the application, the raw materials of the anti-pilling agent are improved, the chitosan microspheres are added, and after the added chitosan microspheres are compounded with other raw materials, the chitosan microspheres are embedded into the mixture to prepare the mixture with certain antibacterial property, hygroscopicity and wear resistance, so that the antibacterial property, hygroscopicity and breaking strength of the siro compact spun yarn are effectively improved.
In a third aspect, the present application provides a fabric, which adopts the following technical scheme:
the fabric is woven by the siro compact spun yarn or the siro compact spun yarn prepared by the process.
In a fourth aspect, the present application provides an application of a fabric in a textile for clothing, a textile for decoration or a textile for industry, which adopts the following technical scheme:
the application of the fabric in clothing textiles, decoration textiles or industrial textiles.
The siro compact spinning yarn prepared by the method can be applied to the fields of textile clothing, home textile and the like, can be used for jackets, shirts, sweaters, underwear, socks, bedding and the like, and is suitable for light outdoor, leisure home, free commuting and the like.
In summary, the present application includes at least one of the following beneficial technical effects:
The application discloses a siro compact spinning yarn containing wool fibers, and a production method and application thereof; according to the application, through selecting the raw material thickness and adjusting the twist coefficient, a siro compact spinning process is adopted to obtain the spun yarn with fluffy and soft, anti-pilling and breaking strength of more than 20cN/tex, so that the effect of obtaining high-proportion wool from low-proportion wool is realized.
Detailed Description
The technical scheme of the invention is further described by the following specific examples, which do not represent limitations on the scope of the invention; some insubstantial modifications and adaptations of the invention based on the inventive concept by others remain within the scope of the invention.
The raw materials related to the application are all commercial products, wherein the lyocell fiber is purchased from Texas source ecological technology Co., ltd; wool fibers were purchased from texas ecological sciences, 70-120 count; sodium alginate, agar, chitosan were all purchased from merck reagent.
The present application will be described in further detail with reference to examples and comparative examples.
Preparation example 1:
preparation of anti-pilling agent:
1. Preparation of chitosan microspheres:
(1) Adding chitosan into acetic acid solution with the mass concentration of 10%, and fully stirring to obtain 50g/L chitosan solution;
(2) And (3) dripping the chitosan solution into a 1mol/L NaOH solution to obtain the chitosan microsphere.
2. Preparation of agar-sodium alginate complex:
(1) Mixing 50g of sodium alginate and 100mL of deionized water, adding 10mL of glycerol, and reacting at 60 ℃ for 20min to obtain sodium alginate solution;
(2) 50g of agar and 100mL of deionized water are mixed, 20mL of glycerol is added, reaction is carried out for 30min at 60 ℃, 0.5g of crosslinking agent citric acid is added for reaction, and sodium alginate solution is added for mixing for 40min, so that the agar-sodium alginate compound is obtained.
3. Mixing water-based polyurethane F0401 10kg and 30kg of agar-sodium alginate compound, adding chitosan microsphere 3kg for mixing, and adding crosslinking agent citric acid 5kg for mixing to obtain the anti-pilling agent.
Preparation example 2:
preparation of anti-pilling agent:
1. Preparation of chitosan microspheres:
(1) Adding chitosan into acetic acid solution with the mass concentration of 10%, and fully stirring to obtain 50g/L chitosan solution;
(2) And (3) dripping the chitosan solution into a 1mol/L NaOH solution to obtain the chitosan microsphere.
2. Preparation of agar-sodium alginate complex:
(1) Mixing 50g of sodium alginate and 100mL of deionized water, adding 10mL of glycerol, and reacting at 60 ℃ for 20min to obtain sodium alginate solution;
(2) Mixing 150g of agar and 100mL of deionized water, adding 20mL of glycerol, reacting at 60 ℃ for 30min, adding 1g of crosslinking agent citric acid for reaction, and then adding sodium alginate solution for mixing for 40min to obtain the agar-sodium alginate compound.
3. Mixing water-based polyurethane F0401 15kg and agar-sodium alginate compound 35kg, adding chitosan microsphere 5kg, mixing, and adding crosslinking agent citric acid 8kg, mixing to obtain anti-pilling agent.
Preparation example 3:
preparation of anti-pilling agent:
1. chitosan microspheres:
(1) Adding chitosan into acetic acid solution with the mass concentration of 10%, and fully stirring to obtain 50g/L chitosan solution;
(2) And (3) dripping the chitosan solution into a 1mol/L NaOH solution to obtain the chitosan microsphere.
2. Preparation of agar-sodium alginate complex:
(1) Mixing 50g of sodium alginate and 100mL of deionized water, adding 10mL of glycerol, and reacting at 60 ℃ for 20min to obtain sodium alginate solution;
(2) Mixing 250g of agar and 100mL of deionized water, adding 20mL of glycerol, reacting at 60 ℃ for 30min, adding 1.7g of crosslinking agent citric acid for reaction, and adding sodium alginate solution for mixing for 40min to obtain the agar-sodium alginate compound.
3. Mixing water-based polyurethane F0401 20kg and 40kg of agar-sodium alginate compound, adding 8kg of chitosan microsphere for mixing, and adding 10kg of crosslinking agent citric acid for mixing to obtain the anti-pilling agent.
Example 1:
raw materials of siro compact spun yarn:
yarn main body: 25wt% of wool fiber and 75wt% of lyocell fiber;
The wool fiber is a blend fiber of 10wt% of wool fiber with fineness of 15.5 mu m, 10wt% of wool fiber with fineness of 17.5 mu m and 5wt% of wool fiber with fineness of 19.5 mu m.
The lyocell fiber is a blend fiber with fineness of 1dtex fine denier fiber 35wt% and fineness of 3.5dtex coarse denier fiber 40 wt%; the length of the lyocell fibre was 38mm.
A method for producing siro compact spinning yarn comprises the following steps:
a. and (3) wool mixing: blending wool fibers and lyocell fibers;
b. Opening and picking process: b, opening and mixing the blend fiber obtained in the step a by adopting a bale plucker, further uniformly mixing various fiber raw materials with different components by adopting the bale plucker, primarily opening and removing impurities, and opening by adopting the bale plucker, and removing impurities by utilizing a dust rod gap under the condition of raw material opening;
c. carding: b, feeding the raw materials obtained in the step b into a cotton box through a pipeline, and carding to obtain uniform raw strips;
d. Drawing process: feeding the raw sliver processed by the carding machine into a drawing frame, drawing the raw sliver by a roller to obtain a head drawing frame, feeding the head drawing frame again into the drawing frame for second drawing to obtain uniform cooked sliver;
e. Roving process: drawing and twisting the second-combined cooked sliver by using a roving frame to prepare roving, and winding the roving into a certain package;
f. Spinning: drawing, twisting and winding the rough yarn or sliver of the semi-finished product into spun yarn cop by a spinning frame, adopting an oversized drawing production process, wherein the total drawing multiple of the spinning frame is between 90 and 130 times, the spinning mode is siro compact spinning, the count of the finished yarn is between 90 and 140 counts, the center distance of a spun yarn roller is 54 x 68mm, and the twist coefficient is 3.2;
g. Packaging and warehousing: and d, packaging and warehousing the finished yarn product obtained in the step f.
Example 2:
raw materials of siro compact spun yarn:
weighing a yarn main body: 25wt% of wool fiber and 75wt% of lyocell fiber;
the wool fiber is a wool fiber with fineness of 15.5 mu m.
The lyocell fibers are fine denier fibers with fineness of 1 dtex; the length of the lyocell fibre was 38mm.
A method for producing siro compact spinning yarn comprises the following steps:
a. and (3) wool mixing: blending wool fibers and lyocell fibers;
b. Opening and picking process: b, opening and mixing the blend fiber obtained in the step a by adopting a bale plucker, further uniformly mixing various fiber raw materials with different components by adopting the bale plucker, primarily opening and removing impurities, and opening by adopting the bale plucker, and removing impurities by utilizing a dust rod gap under the condition of raw material opening;
c. carding: b, feeding the raw materials obtained in the step b into a cotton box through a pipeline, and carding to obtain uniform raw strips;
d. Drawing process: feeding the raw sliver processed by the carding machine into a drawing frame, drawing the raw sliver by a roller to obtain a head drawing frame, feeding the head drawing frame again into the drawing frame for second drawing to obtain uniform cooked sliver;
e. Roving process: drawing and twisting the second-combined cooked sliver by using a roving frame to prepare roving, and winding the roving into a certain package;
f. Spinning: drawing, twisting and winding the rough yarn or sliver of the semi-finished product into spun yarn cop by a spinning frame, adopting an oversized drawing production process, wherein the total drawing multiple of the spinning frame is between 90 and 130 times, the spinning mode is siro compact spinning, the count of the finished yarn is between 70 and 120 counts, the center distance of a spun yarn roller is 54 x 68mm, and the twist coefficient is 3.2;
g. Packaging and warehousing: and d, packaging and warehousing the finished yarn product obtained in the step f.
Example 3:
The difference from example 1 is that: the lyocell fibers are fine denier fibers with fineness of 1 dtex.
Example 4:
the difference from example 1 is that: the lyocell fibers are coarse denier fibers with fineness of 3.5 dtex.
Example 5:
The difference from example 1 is that: the fineness of the wool fiber is 15.5 mu m.
Example 6:
the difference from example 1 is that: the fineness of the wool fiber was 17.5 μm.
Example 7:
The difference from example 1 is that: the fineness of the wool fiber was 19.5 μm.
Example 8:
the difference from example 1 is that the siro compact spun yarn prepared in example 1 is subjected to a post-treatment, specifically as follows:
1kg of the siro compact spun yarn prepared in the example 1 is placed in 15kg of anti-pilling agent and 10L of deionized water, soaked for 35min at 25 ℃, washed and dried to obtain the pretreated siro compact spun yarn.
The anti-pilling agent was prepared in preparation example 2.
Example 9:
the difference from example 1 is that the siro compact spun yarn prepared in example 1 is subjected to a post-treatment, specifically as follows:
1kg of the siro compact spun yarn prepared in the example 1 is placed in 10kg of anti-pilling agent and 10L of deionized water, soaked for 35min at 25 ℃, washed and dried to obtain the pretreated siro compact spun yarn.
The anti-pilling agent was prepared in preparation example 1.
Example 10:
the difference from example 1 is that the siro compact spun yarn prepared in example 1 is subjected to a post-treatment, specifically as follows:
1kg of the siro compact spun yarn prepared in the example 1 is placed in 20kg of anti-pilling agent and 10L of deionized water, soaked for 35min at 25 ℃, washed and dried to obtain the pretreated siro compact spun yarn.
The anti-pilling agent was prepared in preparation example 3.
Example 11:
The difference from example 2 is that the siro compact spun yarn prepared in example 2 is subjected to a post-treatment, specifically as follows:
1kg of the siro compact spun yarn prepared in the example 2 is placed in 15kg of anti-pilling agent and 10L of deionized water, soaked for 35min at 25 ℃, washed and dried to obtain the pretreated siro compact spun yarn.
The anti-pilling agent was prepared in preparation example 2.
Comparative example 1:
the difference from example 1 is that: the fineness of the wool fiber is 21.5 μm.
Comparative example 2:
the difference from example 8 is that: the fineness of the wool fiber is 21.5 μm.
Comparative example 3:
The difference from example 1 is that: the fineness of the lyocell fiber is 5.1dtex.
Comparative example 4:
the difference from example 8 is that: the fineness of the lyocell fiber is 5.1dtex.
And (3) performance detection:
The siro compact spun yarn prepared in examples 1 to 11 and comparative examples 1 to 4 was knitted into a fabric, and the performance of the prepared fabric was examined:
(1) Fuzzing and pilling resistance test: the test was carried out by an ICI pilling tester according to JIS L1076 method A.
(2) Test of Song height: the test was conducted in accordance with JIS L1096-2010 test method for fabrics and knitted fabrics.
(3) Breaking strength test: according to GB/T24218.3-2010 section 3 of the test method for textile nonwoven fabrics: the measurement of breaking strength and elongation at break (bar sample method) was performed.
(4) And (3) air permeability detection: according to GB/T24218.15 2018 section 15 of the textile nonwoven test method: determination of breathability.
(5) The water absorption rate can be detected: according to GB/T24218.6 2010 section 6 of the textile nonwoven test method: measurement of absorbency the liquid absorption of the sample was measured.
Detection of fuzzing and pilling resistance, fleabane height and breaking strength of surface fabric of Table 1
As can be seen by combining the table 1, the examples 1-11 and the comparative examples 1-4, the fabrics prepared by adopting the siro compact spinning yarns of the application have the anti-pilling property above 4 levels, the high property of the fleabane is 3.0-5.5cm/g, the breaking strength is above 20cN/tex, and the fabrics have air permeability and hygroscopicity, and the comprehensive properties of the fabrics are higher than those of the comparative examples 1-4; the fabric prepared from the siro compact spinning yarn has fluffy and soft properties, excellent breaking strength, air permeability and hygroscopicity, has fuzzing and pilling resistance of more than 4 levels, is not itchy, is not easy to wrinkle, can be washed by a machine, is not shrink, and is suitable for application in more scenes.
By combining the embodiment 1 and the embodiments 8-10, the anti-pilling property, the breaking strength, the air permeability and the hygroscopicity of the fabric are improved by carrying out the post-treatment on the siro compact spun yarn, and the hand feeling of the fabric is less affected.
By combining the embodiment 2 and the embodiment 11, the anti-pilling property, the breaking strength, the air permeability and the hygroscopicity of the fabric are improved by performing the post-treatment on the siro compact spun yarn, and the hand feeling of the fabric is less affected.
By combining examples 1-2 and comparative examples 1-4, the application selects wool fibers with the fineness of less than 0.1-25 mu m and lyocell fibers with the fineness of 0.1-10dtex, and can obtain fluffy and anti-pilling fabric with breaking strength, air permeability and hygroscopicity.
Example 12:
To verify the effect of different twist factors on siro compact spun yarns, the twist factors in example 1, example 8 were adjusted, and the effect of different twist factors on siro compact spun yarns with the other components and reaction conditions unchanged are shown in table 2; wherein, groups 1.1-1.6 are comparative experiments of example 1, and groups 2.1-2.6 are comparative experiments of example 8.
TABLE 2 influence of different twist multiplier on Siro compact spun yarn properties
As is clear from Table 2, the fabric produced from the yarn was soft and fluffy in touch, but had a fuzzing-resistant rating of about 2 to 3.0, and at the same time, the fabric was sacrificed in strength, and when the twist factor was higher than 3.8, the fuzzing-resistant rating was higher, but the fabric had a poor touch, was not fluffy enough, and had a reduced heat-insulating property. Thus, the siro compact spun yarn of the present application requires an english twist multiplier of between 2.0 and 3.8, preferably between 2.4 and 3.6.
Example 13:
To verify the effect of the different wool fiber, lyocell fiber on the siro spun yarn, the effect of the different wool fiber, lyocell fiber on the siro spun yarn was adjusted for the wool fiber, lyocell fiber in example 2, example 11, with the other components and reaction conditions unchanged, as shown in table 3; wherein, groups 3.1-3.5 are comparative experiments of example 2, and groups 4.1-4.5 are comparative experiments of example 11.
TABLE 3 influence of the ratio of different wool fibers and lyocell fibers on the properties of Siro compact spun yarns
As can be seen from the combination of Table 3, the fabric prepared by adopting the siro compact spinning yarn has the advantages that the fleabane high performance is similar to that of a pure wool textile, but the anti-pilling property and the breaking strength are better than those of the pure wool textile, and when the wool fiber accounts for 5-50wt% and the fiber accounts for 50-95 wt%, the anti-pilling property and the breaking strength are better than those of the fabric prepared by the main body of the yarn with other proportions, so that the fabric prepared by adopting the siro compact spinning yarn has the characteristics of fluffy wool and soft on the basis of containing low proportion of wool fiber, and also has the functions of anti-pilling and excellent breaking strength.
According to the application, through the selection of the thickness of wool fibers, the selection of the length and the thickness of lyocell fibers and the study of the twist coefficient, a siro compact spinning process is adopted to obtain the spun yarn with fluffy and soft properties, anti-pilling properties and breaking strength of more than 20cN/tex, and the spun yarn has a sterilization rate of 99.9%, so that the effect that a high proportion of wool is obtained by a low proportion of wool is realized.
Claims (4)
1. A siro compact spun yarn characterized in that: the yarn comprises a yarn main body, wherein the yarn main body comprises the following raw materials in percentage by mass: 5-50% of wool fiber and 50-95% of lyocell fiber;
the fineness of the wool fiber is at least one of 14.6-16.5 mu m, 16.6-18.5 mu m and 18.6-20.5 mu m;
The lyocell fibers are fine denier fibers with fineness of 0.7-1.5dtex and/or coarse denier fibers with fineness of 2.0-5.0 dtex; the length of the lyocell fiber is 38-100mm;
the production method of the siro compact spinning yarn comprises the following steps: the method comprises the steps of (1) adopting a siro compact spinning process to obtain siro compact spinning yarns; wherein the twist factor of the spinning process is 2.0-3.8;
The prepared siro compact spinning yarn is subjected to post-treatment, and the steps are as follows: placing the prepared siro compact spun yarn in an anti-pilling agent, soaking for 30-40min at 20-30 ℃, and then washing and drying to obtain the pretreated siro compact spun yarn;
wherein, the mass ratio of the siro compact spun yarn to the anti-pilling agent is 1 (10-20);
the anti-pilling agent comprises the following raw material components in parts by mass: 10-20 parts of waterborne polyurethane, 30-40 parts of agar-sodium alginate compound, 3-8 parts of chitosan microsphere and 5-10 parts of cross-linking agent;
the preparation method of the anti-pilling agent comprises the following steps:
(1) Preparation of chitosan microspheres:
Adding chitosan into acetic acid solution with the mass concentration of 10% to obtain 50g/L chitosan solution;
Dripping the chitosan solution into a 1mol/L NaOH solution to obtain chitosan microspheres;
(2) Preparation of agar-sodium alginate complex:
Mixing agar and deionized water, adding a cross-linking agent for mixing, and then adding sodium alginate for mixing to obtain an agar-sodium alginate compound;
(3) Mixing the aqueous polyurethane and the agar-sodium alginate compound, adding chitosan microspheres for mixing, and then adding a cross-linking agent for mixing to obtain the anti-pilling agent.
2. The siro compact spun yarn of claim 1, wherein the mass ratio of agar to sodium alginate in step (2) is (1-5): 1; the adding amount of deionized water is 100-300mL; the mass ratio of the agar to the cross-linking agent is (50-250) to (0.5-1.7).
3. The utility model provides a surface fabric which characterized in that: the fabric is woven from the siro spun yarn of claim 1 or 2.
4. Use of the fabric of claim 3 in apparel textiles, decorative textiles or industrial textiles.
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| CN109056134A (en) * | 2018-08-03 | 2018-12-21 | 上海纺织（集团）大丰纺织有限公司 | A kind of tencel, mercerized wool scribbled and its spinning process |
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