CN106868873B - Fluffy processing yarn - Google Patents
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- CN106868873B CN106868873B CN201510909089.8A CN201510909089A CN106868873B CN 106868873 B CN106868873 B CN 106868873B CN 201510909089 A CN201510909089 A CN 201510909089A CN 106868873 B CN106868873 B CN 106868873B
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- D—TEXTILES; PAPER
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/24—Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/6433—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing carboxylic groups
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/6436—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing amino groups
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- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/65—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing epoxy groups
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- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/65—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing epoxy groups
- D06M15/651—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing epoxy groups comprising carboxylic groups
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- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
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Abstract
The invention discloses a fluffy processing silk, which consists of a sheath silk and a core silk, wherein the sheath silk surrounds the core silk in a three-dimensional shape; the surface of the fiber of the fluffy yarn is adhered with a silicon smoothing agent, and the fluffy degree of the yarn is 400inch measured by an IDFB method3/30g～800inch330g of the total weight. The fluffy processing yarn disclosed by the invention is excellent in fluffy property, not only has the characteristics of light weight and heat preservation, but also has the style of soft and smooth hand feeling, is excellent in machine washing resistance, and can be used as a filler instead of down feather.
Description
Technical Field
The invention relates to a fluffy processing yarn with large fluffy property and high compression rate and recovery rate.
Background
In the market, down feather belongs to a high-grade filler in various types of fillers, and is widely used due to high filling power, good heat retention and soft and light style; however, down is a natural product and also has a number of drawbacks. For example: 1. the yield is low, the production cost is high, and the price is easy to change greatly due to market supply and demand; 2. a large amount of wastewater and sewage are discharged in the production process, which is unfavorable for the environment, because some animal fat is attached to the surface of the down feather, a large amount of clear water is needed for washing to keep the cleanliness of the down feather, if the down feather is not washed cleanly, mites and bacteria are easy to breed, discomfort of skin and the like is caused, and meanwhile, unpleasant smell can be given; 3. the down feather is difficult to wash, most down feather products are not suitable for machine washing, and due to the high density of the fabric of the down feather, clothes washed by a washing machine can be swelled and float on the water surface, so that the clothes cannot be washed cleanly, and meanwhile, the down feather is easy to shift, so that the local heat retention is poor; the regular dry cleaning is to completely soak the whole piece of clothes in dry cleaning agent (organic solvent), the dry cleaning agent enters the high-density down jacket fabric and is difficult to volatilize and smell, the residual dry cleaning agent is released continuously and may cause harm to human bodies, and meanwhile, the dry cleaning agent also causes the reduction of the flexibility of down feather, is easy to brittle and break and seriously affects the filling power and the heat retention. Although the common pure cotton filling material does not have the defects of the natural down, the common pure cotton filling material is not widely used for filling clothes due to the heavy weight and poor heat retention property.
The chemical fiber filler such as pearl wool has the light style of natural down, and has the advantages of bacteria resistance, moisture resistance, stable cost, low price and the like, but the fluffiness is not high enough, the heat retention is far from that of the down, and the machine washing is not easy. Chinese patent CN186187A discloses a short fiber type down-like cotton, but the short fiber-filled cotton has low bulk, and the produced thermal insulation material has a grainy feel when touching, and the short fiber type down-like cotton is easy to shift when washing. In view of the above, in order to meet the market demand, it is urgently needed to develop a novel filling material to replace down.
Disclosure of Invention
The invention aims to provide a fluffy yarn with high bulk, wherein a silicon smoothing agent is adhered to the fiber surface of the fluffy yarn, and the bulk of the fluffy yarn is 400 inches measured by an IDFB method3/30g～800inch3/30g。
The silicon-based smoothing agent preferably contains structural units represented by formulas 1 and 2,
the weight average molecular weight M of the silicon-based smoothing agentw300-8000 g/mol, R is one or more of epoxy alkyl, hydroxyl, carboxyl or amino.
The surface of the fiber of the fluffy processing yarn is adhered with a silicon smoothing agent accounting for 0.2-5.0 wt% of the total weight of the processing yarn.
The processing filament is composed of two parts of a sheath fiber and a core fiber, wherein the sheath fiber and the core fiber are crossed, and the sheath fiber forms a circular ring shape with the radius of preferably 2.0 mm-12.0 mm outside the core fiber, and more preferably the radius is 3.0 mm-8.0 mm.
The number of intersections formed by the sheath fibers and the core fibers is preferably 30 to 150/cm.
The compression rate and the recovery rate of the fluffy processing yarn are preferably 50-95% and 50-95%.
The fluffy processing yarn has the advantages of preventing deformation, being not afraid of moth eating, being antibacterial and moistureproof, being stable in price, not penetrating down, being fast in drying, being washable by a machine, being capable of being washed by the machine and the like, and has the characteristics of high fluffy degree, light weight and the like which are equivalent to down.
Detailed Description
The surface of the fluffy processing silk fiber is adhered with the silicon smoothing agent, and the silicon smoothing agent can increase the softness and smoothness of the fiber, so that the fiber has the soft and comfortable style like down; meanwhile, the friction between fibers can be reduced, so that the filler formed by the fluffy processing yarn is not easy to shift and agglomerate.
The silicon-based smoothing agent preferably contains structural units represented by formulas 1 and 2,
The weight average molecular weight M of the silicon-based smoothing agentw300-8000 g/mol, R is one or more of epoxy alkyl, hydroxyl, carboxyl or amino.
If the weight average molecular weight of the silicon-based smoothing agent is too small, the silicon-based smoothing agent reacts quickly, the thickness of the silicon-based smoothing agent on the surface of the fiber is uneven, the effect is poor, and the washability is poor; if the weight average molecular weight of the silicon-based smoothing agent is too large, the viscosity of the silicon-based smoothing agent is large, the reactivity is poor, and the silicon-based smoothing agent also has the defects of uneven thickness on the surface of the fiber, poor washing fastness and the like.
The alkylene oxide group may be an alkylene oxide group-containing aliphatic group such as an ethylene oxide group, a propylene oxide group, a butylene oxide group and the like. In the silicon-based smoothing agent, the R group can be one of epoxy alkyl, hydroxyl, carboxyl or amino, or several of the epoxy alkyl, hydroxyl, carboxyl or amino modification groups. Among the above groups, R is preferably an amino group in the present invention.
The amount of the silicon-based smoothing agent attached to the fiber surface of the bulkiness processed yarn of the present invention is preferably 0.2 to 5.0wt% based on the total amount of the processed yarn. If the amount of adhesion is too small, the effect of softness and smoothness is not obtained; if too much, the processing cost is high and the adhesion is difficult.
The bulkiness processed yarn of the present invention is composed of a sheath fiber and a core fiber, wherein the sheath fiber and the core fiber intersect each other, and the sheath fiber forms a circular ring shape having a radius of preferably 2.0mm to 12.0mm outside the core fiber. The diameter of the ring formed by the sheath fiber is too small, the volume of the formed three-dimensional space is small, the bulkiness of the processed yarn is insufficient, clothes or bedding filled with the yarn is hard and solid, the fluffy feeling of down feather is avoided, and the heat insulation performance is also reduced. On the other hand, as the loops formed by the sheath fibers are larger, bulkiness and flexibility of the processed yarn are greatly improved, but compression resistance is deteriorated, that is, the processed yarn is permanently deformed when pressed by an external force, resulting in low performance. The radius of the ring formed by the sheath fiber outside the core fiber is more preferably 3.0mm to 6.0 mm.
Meanwhile, the number of the cross points formed by the sheath fibers and the core fibers is 30-150/cm. The crossing point is a crossing point formed by crossing the sheath fiber and the core fiber after opening, but the crossing point is not fused together and can move freely. There is a correlation between the number of intersections and the number of loops formed by the sheath fibers. The cross points formed by the sheath fibers and the core fibers are few, which shows that the bulkiness of the processed silk is low when the number of the rings formed by the sheath fibers is few; on the other hand, if the number of intersections formed by the sheath fiber and the core fiber is large, and the number of loops formed by the sheath fiber is large, the bulkiness of the processed yarn is improved to a certain extent, but the three-dimensional space of the sheath fiber is not increased, but the weight per unit length of the processed yarn is increased, which leads to a decrease in bulkiness. The number of intersections formed by the sheath fibers and the core fibers is more preferably 40 to 100/cm.
The fluffy processing yarn consists of a sheath fiber and a core fiber, wherein the sheath fiber and the core fiber are long fibers, the sheath fiber and the core fiber are crossed through the jet action of compressed air, and the sheath fiber forms a circular ring shape outside the core fiber. Due to the action of air compression, the fiber bundle of the sheath fiber is separated to form a plurality of single fibers, the sheath fiber vertically penetrates through the core fiber bundle back and forth to form a cross point, and the sheath fiber forms a three-dimensional multi-ring shape. The crossing point formed by the sheath fiber and the core fiber is not a fixed fusion point but is movable within a certain range. When the fluffy processing yarn is used as a filling material, the fluffy processing yarn is extruded by external force to deform, the intersection point of the fluffy processing yarn can generate certain displacement to absorb the external force during deformation, and the recovery performance can be greatly improved after the external force is removed.
The filament fineness of the sheath fiber constituting the bulkiness-processed yarn is preferably 3.5dtex to 10.0 dtex. If the fineness of the single yarn is too small, the flexibility of the fiber increases, but the pressure resistance of the ring formed by the sheath fiber is rather reduced; on the other hand, the larger the single-fiber fineness of the fiber, the higher the rigidity, and the bulkiness processed yarn obtained becomes harder and the hand feeling becomes worse. Therefore, the filament fineness of the sheath fiber forming the processed yarn of the present invention is more preferably 4.0dtex to 8.0 dtex. The total fineness of the core fiber is preferably 30dtex to 300 dtex.
The fluffy processing yarn is formed by complexing a sheath fiber and a core fiber, the compression rate is preferably 50-95%, and the recovery rate is preferably 50-95%.
The cross section of the sheath fiber of the fluffy processing yarn can be one or more of round, hollow triangle, cross, eight-leaf and the like; the core fiber of the fluffy processing silk can be one or more of round, hollow triangle, cross, eight-leaf and the like. It is preferred in the present invention that both the sheath fiber and the core fiber are hollow fibers; compared with solid fibers, the hollow fibers have lower density, and the fluffy processing yarns made of the hollow fibers have longer length under the same processing yarn shape and gram weight, so that the fluffy performance of the fluffy processing yarns is improved. However, a hollow fiber having a too high hollowness has a high demand for a production process and a low productivity, and also the hollow form of the fiber is easily deformed, resulting in a decrease in the quality of the fiber. In the present invention, the hollowness of the hollow fibers as the sheath fiber and the core fiber is preferably 20 to 50%, more preferably 25 to 40%, respectively.
The raw material polymer of the fluffy processing yarn can be one or more of common polyester, modified copolyester, polyolefin, polyurethane and the like.
The fluffy processing yarn can be prepared by the following method, but is not limited to the method:
respectively feeding sheath fibers and core fibers into an air interlacing device through a feeding device, feeding the obtained interlaced yarn into a hot box, strengthening and fixing the winding form of the processed yarn, attaching a silicon-based smoothing agent to the obtained processed yarn through a coating process, fixing the processed yarn attached with the silicon-based smoothing agent through a second hot box, and finally collecting and packing the obtained fluffy processed yarn.
The feeding device can be a feeding roller and/or a feeding roller, the filament length ratio of the sheath fiber to the core fiber can be controlled by adjusting the feeding speed of the sheath fiber and the core fiber according to the difference of the sheath fiber, the core fiber and the fluffy processing filament, and the filament length ratio of the sheath fiber to the core fiber can be 3-50 times; in addition, the air flow rate in the air interlacing device can be set to be 30L/min-150L/min, and the air interlacing device is used for processing two fed fibers into a fluffy processing yarn initial body with a certain yarn length ratio.
The adhesion process of the silicon smoothing agent can adopt a spray coating technology and can also adopt a padding coating technology. When the spray coating technology is adopted, although a layer of silicon-based smoothing agent can be adhered to the surface of the processing wire, the silicon-based smoothing agent is not easily adhered to the inside of the processing wire, so that the problem that the silicon-based smoothing agent is not uniformly adhered to the whole body and washing deviation occurs is easily caused. Compared with a spray coating technology, the adoption of the padding coating technology can ensure that the silicon-based smoothing agent is more uniformly attached to the surface and the inside of the processed yarn, and the processed yarn is better in soft and smooth feeling. In the case of adhesive processing, therefore, the pad coating technique can be preferred in the case of conditional conditions.
When the padding coating is adopted, if the processed filament with unstable crossing point of the core fiber and the sheath fiber obtained by the crossing device directly enters the padding coating process, the sheath fiber with three-dimensional structure surrounding the core fiber is easy to rub with a roller, a thread guide and other members for guiding the thread to cause slippage; meanwhile, the long circular ring-shaped coil formed by the sheath fiber can generate the phenomena of friction, hooking and the like with machine accessories, so that the processed yarn is longitudinally uneven, the bulkiness of the final bulkiness processed yarn is reduced, and the quality of the bulkiness processed yarn is influenced.
Before the processed silk is processed by padding and coating, the processed silk from the interlacing device is only put into a hot box to be subjected to dry heat treatment, so that sheath fibers and core fibers in a three-dimensional structure are more closely connected, the interlacing point is fixed, the sheath fibers in a longer annular coil part are reduced in shrinkage, the problems that the sheath fibers and accessories in a machine generate abnormal friction and the like are solved, the engineering trafficability is improved, and the high-performance fluffy processed silk can be obtained. The hot box can be in a contact type or a non-contact type, and the temperature can be 70-230 ℃.
After the adhesion process is carried out, the processing wire adhered with the silicon smoothing agent is subjected to fixation treatment by a second hot box. The two hot boxes can be in contact type or non-contact type, and preferably are in non-contact type.
The bulkiness of the bulkiness processed yarn of the present invention is high, and the bulkiness processed yarn has softness and smooth feeling due to the silicon-based smoothing agent attached thereto. The fluffy yarn made of long fiber can be used as filler of clothes, quilts and the like, and has the advantages of heat preservation, light weight, no fluff leakage, no fluff drilling, and no caking in washing.
The test method related by the invention comprises the following steps:
(1) method for testing total titer and monofilament titer
Total denier is measured according to JIS L1013: 2010 standard, and denier per filament is calculated by total denier and number of filaments.
(2) Hollow rate
Cutting the hollow fiber into thin pieces (i.e. fiber cross section) along the longitudinal direction, photographing the cut pieces under a common optical microscope at a suitable magnification, and calculating the area S of the hollow part according to the photograph1And area S of the entire fiber2(including the hollow), then calculate:
hollow rate = (S)1/S2）×100%。
(3) Method for testing radius of circular ring formed by sheath fiber
Fixing two ends of the fluffy processing silk, enabling the middle part of the fluffy processing silk to be in a free state, magnifying the fluffy processing silk to a proper multiplying power under a common optical microscope for photographing, then drawing a circle according to three points on a circular ring formed by the sheath fiber to measure the radius of the circle, converting the circle into the actual radius of the circular ring of the sheath fiber through the magnifying power of the microscope, taking 50 data in a sample with the length of 20cm, and taking the averaged numerical value as the radius of the circular ring.
(4) Method for testing number of cross points of sheath fiber and core fiber
Fixing two ends of the fluffy processing silk, enabling the middle part of the fluffy processing silk to be in a free state, magnifying to a proper multiplying factor under a common optical microscope for photographing, then counting the cross points formed by the sheath monofilament fibers and the core fibers according to the photograph, counting according to one cross point if the cross points formed by a plurality of sheath fibers and core fibers are at the same position, and finally converting through the magnification of the photograph to obtain the number of the cross points on the unit length of the sheath fibers and the core fibers, wherein the unit is one/cm. The average number is calculated after 5 times of tests by the method, and the average number is the number of the crossing points of the sheath fiber and the core fiber.
(5) Quantitative and qualitative method for silicon-based smoothing agent
Dissolving a fluffy processing silk sample by trifluoroacetic acid, placing the sample into an Avance 400 type nuclear magnetic resonance instrument, selecting hydrogen spectrum for detection, integrating detected peak areas respectively, and obtaining the weight ratio of the silicon-based smoothing agent according to the peak displacement of PET and the peak area and the peak displacement (0-2 ppm) of the silicon-based smoothing agent.
(6) Method for testing compression rate and recovery rate
Firstly, placing a sample to be tested in an environment of 20 ℃ and 65% RH for debugging for 8 hours or more than 8 hours to ensure that the sample to be tested is stable;
weighing 30g of sample, manually shaking the sample to be in a fluffy state, putting the sample into the same measuring bucket in the IDFB method, and covering a cover;
thirdly, the same weight as in the IDFB method is placed on a plate W0Moving downwards to the highest point of contact with the sample, releasing the weight plate to enable the weight plate to fall freely, releasing the weight plate while timing, reading the height after stabilizing for 1 minute and recording H0；
Fourthly, the weight of the plate W is larger than that of the original plate W when the cover is opened0Weight plate W weighing 40 times1Put into a measuring barrel and a weight plate W1Moving downwards to the highest point of contact with the sample, releasing the weight plate to enable the weight plate to fall freely, releasing the weight plate while timing, reading the height after stabilizing for 1 minute and recording H1；
Fifthly, opening the cover to remove all the weight, allowing the test sample to recover 24 hours in a free state, after the test sample is stable, testing the height of the sample according to the method of the third step and recording the height as H2；
Calculating the compression rate and the recovery rate according to the data by the following formula 1 and formula 2:
compressibility (%) - (H)0－H1）/ H0X 100% of the formula 1,
recovery rate (%) ═ H2－H1）/（H0－H1) X 100% of the formula 2,
seventhly, repeating the test of the methods of the first step and the sixth step to obtain an average value.
(7) Method for evaluating washing durability
4g of the sample having the silicon based smoothing agent adhered thereto was divided into two parts on average, and one part was directly measured for the amount of the silicon based smoothing agent adhered (see test method (5)), namely, the amount of the silicon based smoothing agent adhered before washing. The other part was put in a washing net, washed 5 times in accordance with JIS L0217 (1995), and then the amount of the silicon-based smoothing agent adhered was measured (see test method (5)), i.e., the amount of the silicon-based smoothing agent adhered after washing, and the washing retention was calculated in accordance with the following formula 3:
the washing retention (%) - (amount of silicon-based smoothing agent adhered before washing-amount of silicon-based smoothing agent adhered after washing)/amount of silicon-based smoothing agent adhered before washing × 100% formula 3.
The greater the wash retention, the better the wash durability of the sample, and the smaller the wash durability of the sample; when the washing retention is less than 50%, the additional cost is high, the fiber quality is poor, and the manufactured product is not qualified.
(8) Method for evaluating washing offset ratio
Cutting down jacket surface material according to the size slightly larger than 20cm width and slightly larger than 50cm length, sewing two pieces into a sample bag with 4 long sample bags (sample bag size: 5cm width and 50cm length), arranging the prepared samples in order and loading into the sample bag, and sewing the two ends of the sample together with the fabric; washing for 5 times according to JIS L0217 (1995); finally, the area of the filler in the flour bag before and after cleaning is tested, and the washing deviation rate is calculated according to the following formula 4:
the washing offset ratio (%) (area of filler in sample before washing-area of filler in sample after washing)/area of filler in sample before washing × 100% formula 4.
The larger the washing offset ratio is, the poorer the hand feeling style of the sample is, wherein the hand feeling style comprises softness and smooth feeling; the smaller the size, the better the hand feeling style of the sample; when the washing offset rate exceeds 30%, the softness and smoothness of the sample are poor, and the finished product is not satisfactory.
(9) Degree of fluffiness
Testing according to the IDFB method:
firstly, placing a sample to be tested in an environment of 20 ℃ and 65% RH for debugging for 8 hours or more than 8 hours to ensure that the sample to be tested is stable;
weighing 30g of sample, manually shaking the sample to be fluffy, putting the sample into a measuring barrel, and covering the measuring barrel with a cover;
thirdly, moving the weight plate downwards to the highest point of contact with the sample, then releasing the weight plate to enable the weight plate to fall freely, timing while releasing the weight plate, and reading and recording the height after stabilizing for 1 minute;
opening the cover to take out the sample, shaking the sample to be fluffy again, putting the sample into the measuring barrel, covering the sample with the cover, measuring again according to the step three, and testing for 5 times by the same method;
calculating the average height of 5 times to obtain the bulk.
The present invention will be described below with reference to examples, but the present invention is not limited to the examples.
Detailed Description
Example 1:
respectively feeding the sheath fiber and the core fiber into a cross device through different feeding rollers, wherein the feeding speed of the core fiber is 20m/min, and the feeding speed of the sheath fiber is 400 m/min. The flow rate of air in the nozzle was set to 70L/min, and the sheath fiber and the core fiber were passed through the air nozzle to form a processed yarn. Then, the obtained processed wire passes through a hot box, and is subjected to padding coating by a silicon aqueous solution prepared by an amino modified silicon smoothing agent (DRYPON 1200, Rihua) with the weight average molecular weight of 3500 g/mol; and fixing a silicon smoothing agent on the processed yarn through a secondary heating box, and finally collecting the obtained fluffy processed yarn.
The bulkiness of the resultant bulkiness-processed yarn was measured to be 405inch330g, the adhesion amount of the silicon-based smoothing agent accounts for 1.2wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 2.0mm, the number of crossing points formed by the sheath fiber and the core fiber is 80/cm, the compression rate is 92%, the recovery rate is 60%, and the washing retention rate is 80%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 10%.
Example 2:
feeding sheath fiber and core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 20m/min, and the feeding speed of the sheath fiber is 500 m/min. The flow rate of air in the nozzle was set to 90L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy processed yarn. Then, after passing the obtained processed yarn through a hot box, carrying out padding coating on the processed yarn by a silicon aqueous solution prepared by hydroxyl modified silicon smoothing agent (Niccasilicone 1850S) with the weight-average molecular weight of 5500 g/mol; and fixing a silicon smoothing agent on the processed yarn through a secondary heating box, and finally collecting the obtained fluffy processed yarn.
The bulkiness of the obtained bulkiness processed yarn was 600inch by the test330g, the adhesion amount of the silicon-based smoothing agent accounts for 1.5wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 4.8mm, the number of crossing points formed by the sheath fiber and the core fiber is 72/cm, the compression rate is 65%, the recovery rate is 77%, and the washing retention rate is 77%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 8%.
Example 3:
respectively feeding the sheath fiber and the core fiber into a cross device through different feeding rollers, wherein the feeding speed of the core fiber is 30m/min, and the feeding speed of the sheath fiber is 700 m/min. The flow rate of air in the nozzle was set at 140L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy yarn. Then, after passing through a hot box, the obtained processed yarn is subjected to padding coating by a silicon dilute solution prepared by a carboxyl modified silicon smoothing agent (Donggu, 2008S-1) with the weight-average molecular weight of 4800 g/mol; and fixing a silicon smoothing agent on the processed yarn through a secondary heating box, and finally collecting the obtained fluffy processed yarn.
The bulkiness of the obtained bulkiness processed yarn was 480inch by the test330g, the adhesion amount of the silicon-based smoothing agent accounts for 2.8wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 8.9mm, the number of crossing points formed by the sheath fiber and the core fiber is 130/cm, the compression rate is 88%, the recovery rate is 89%, and the washing retention rate is 93%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 7%.
Example 4:
respectively feeding sheath fiber and core fiber into a cross device through different feeding rollers, wherein the feeding speed of the core fiber is 40m/min, and the feeding speed of the sheath fiber is 800 m/min. The flow rate of air in the nozzle was set at 110L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy yarn. Then, the obtained processed filament passes through a hot box and is subjected to padding coating by a silicon aqueous solution prepared by epoxy modified silicon smoothing agent (bamboo grease, D-SFT 219S) with the weight average molecular weight of 3600 g/mol; and fixing the processing wire with silicone oil through a secondary heating box, and finally collecting the obtained fluffy processing wire.
The bulkiness of the obtained bulkiness processed yarn was 422inch by the test330g, the adhesion amount of the silicon-based smoothing agent accounts for 3.5wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 11.2mm, the number of crossing points formed by the sheath fiber and the core fiber is 65/cm, the compression rate is 59%, the recovery rate is 93%, and the washing retention rate is 84%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 5%.
Example 5:
feeding sheath fiber and core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 60m/min, and the feeding speed of the sheath fiber is 1800 m/min. The air flow rate in the nozzle was set at 145L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy yarn. Then, after passing through a hot box, the obtained processing wire is subjected to padding coating by a silicon aqueous solution prepared by an amino modified silicon smoothing agent (Xindao, DFY 0056C) with the weight-average molecular weight of 2800g/mol and an epoxy modified silicon smoothing agent (Xindao, L-0339 SC) with the weight-average molecular weight of 5000 g/mol; and fixing the processing wire with silicone oil through a secondary heating box, and finally collecting the obtained fluffy processing wire.
The bulkiness of the obtained bulkiness processed yarn was 680inch by the test330g, the adhesion amount of the silicon-based smoothing agent accounts for 1.8wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 5.1mm, the number of crossing points formed by the sheath fiber and the core fiber is 78/cm, the compression rate is 83%, the recovery rate is 83%, and the washing retention rate is 97%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 8%.
Example 6:
feeding sheath fiber and core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 50m/min, and the feeding speed of the sheath fiber is 1200 m/min. The air flow rate in the nozzle was set at 130L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy yarn. Then, after passing through a hot box, the obtained processed filament is subjected to padding coating by a silicon aqueous solution prepared by an amino modified silicon based smoothing agent (Rihua, DRYPON 2310) with the weight average molecular weight of 400g/mol and a hydroxyl modified silicon based smoothing agent (Niccasilicone 177S) with the weight average molecular weight of 4500 g/mol; and fixing the processing wire with silicone oil through a secondary heating box, and finally collecting the obtained fluffy processing wire.
The bulkiness of the resultant bulkiness processed yarn was 768 inches as measured330g, the adhesion amount of the silicon-based smoothing agent accounts for 1.0wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 6.7mm, the number of crossing points formed by the sheath fiber and the core fiber is 67/cm, the compression rate is 71%, the recovery rate is 76%, and the washing retention rate is 95%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 10%.
Example 7:
feeding sheath fiber and core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 20m/min, and the feeding speed of the sheath fiber is 1200 m/min. The air flow rate in the nozzle was set at 135L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy yarn. Then, after passing through a hot box, the obtained processed wire is subjected to padding coating by a silicon aqueous solution prepared by an amino modified silicon based smoothing agent (Rihua, DRYPON 2110S) with the weight-average molecular weight of 5800g/mol and a hydroxyl modified silicon based smoothing agent (Rihua, NICCASILICONE 1135E) with the weight-average molecular weight of 800 g/mol; and fixing the processing wire with silicone oil through a secondary heating box, and finally collecting the obtained fluffy processing wire.
The bulkiness of the resultant bulkiness-processed yarn was 611inch by the test330g, the adhesion amount of the silicon-based smoothing agent accounts for 0.9wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 5.8mm, the number of crossing points formed by the sheath fiber and the core fiber is 90/cm, the compression ratio is 79%, the recovery ratio is 81%, and the washing retention ratio is 71%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 2%.
Example 8:
feeding the sheath fiber and the core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 40m/min, and the feeding speed of the sheath fiber is 600 m/min. The flow rate of air in the nozzle was set to 70L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy processed yarn. Then, after passing the obtained processed yarn through a hot box, carrying out padding coating on the processed yarn by using a silicon aqueous solution prepared by a carboxyl modified silicon smoothing agent (Donggu, SFD-3318S) with the weight average molecular weight of 4500g/mol and an epoxy modified silicon smoothing agent (bamboo grease, D-SFT 320C) with the weight average molecular weight of 5230 g/mol; and fixing a silicon smoothing agent on the processed yarn through a secondary heating box, and finally collecting the obtained fluffy processed yarn.
The bulkiness of the obtained bulkiness processed yarn was 680inch by the test330g, the adhesion amount of the silicon-based smoothing agent accounts for 1.3wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 4.7mm, the number of crossing points formed by the sheath fiber and the core fiber is 80/cm, the compression rate is 86%, the recovery rate is 90%, and the washing retention rate is 88%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 8%.
Example 9:
feeding sheath fiber and core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 20m/min, and the feeding speed of the sheath fiber is 800 m/min. The flow rate of air in the nozzle was set to 90L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy processed yarn. Then, after passing the obtained processed yarn through a hot box, carrying out padding coating on the processed yarn by using a silicon aqueous solution prepared by an amino modified silicon smoothing agent (Rihua, DRYPON S5230D) with the weight-average molecular weight of 6600g/mol and a hydroxyl modified silicon smoothing agent (Rihua, NICCASILICONE 1659S) with the weight-average molecular weight of 410 g/mol; and fixing a silicon smoothing agent on the processed yarn through a secondary heating box, and finally collecting the obtained fluffy processed yarn.
The bulkiness of the obtained bulkiness processed yarn was 550inch by the test330g, the adhesion of the silicon smoothing agent accounts for 4.3wt% of the total weight of the processed filament, and the sheath fiberThe radius of the circular ring formed by the fibers was 6.9mm, the number of intersections formed by the sheath fibers and the core fibers was 75/cm, the compression rate was 90%, the recovery rate was 85%, and the washing retention rate was 78%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 4%.
Example 10:
feeding sheath fiber and core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 20m/min, and the feeding speed of the sheath fiber is 500 m/min. The flow rate of air in the nozzle was set to 60L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy processed yarn. Then, after passing the obtained processed yarn through a hot box, carrying out padding coating on the processed yarn by using a silicon aqueous solution prepared by an amino modified silicon smoothing agent (Rihua, DRYPON S5280D) with the weight-average molecular weight of 7300g/mol and a hydroxyl modified silicon smoothing agent (Niccasilicone 1693S) with the weight-average molecular weight of 1600 g/mol; and fixing the processing wire with silicone oil through a secondary heating box, and finally collecting the obtained fluffy processing wire.
The bulkiness of the obtained bulkiness processed yarn is 770inch through testing330g, the adhesion amount of the silicon-based smoothing agent accounts for 0.4wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 5.8mm, the number of crossing points formed by the sheath fiber and the core fiber is 70/cm, the compression rate is 87%, the recovery rate is 70%, and the washing retention rate is 91%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 18%.
Example 11:
feeding sheath fiber and core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 20m/min, and the feeding speed of the sheath fiber is 800 m/min. The flow rate of air in the nozzle was set at 120L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy processed yarn. Then, the obtained processed yarn passes through a hot box, and is subjected to padding coating by silicon aqueous solution prepared by hydroxyl modified silicon smoothing agent (DSYTIPE 1120 SS) with weight-average molecular weight of 8800 g/mol; and fixing a silicon smoothing agent on the processed yarn through a secondary heating box, and finally collecting the obtained fluffy processed yarn.
The bulkiness of the obtained bulkiness processed yarn was 410inch by the test330g, the adhesion amount of the silicon-based smoothing agent accounts for 1.0wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 2.6mm, the number of crossing points formed by the sheath fiber and the core fiber is 72/cm, the compression rate is 68%, the recovery rate is 71%, and the washing retention rate is 69%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 22%.
Example 12:
respectively feeding the sheath fiber and the core fiber into a cross device through different feeding rollers, wherein the feeding speed of the core fiber is 30m/min, and the feeding speed of the sheath fiber is 600 m/min. The flow rate of air in the nozzle was set to 90L/min, and the sheath fibers and the core fibers were passed through the air nozzle to form a fluffy processed yarn. Then, after passing through a hot box, the obtained processing wire is subjected to padding coating by a silicon-based dilute solution prepared from dimethyl silicone oil (DY-1022) with the weight-average molecular weight of 3200 g/mol; and fixing a silicon smoothing agent on the fiber through a secondary heating box, and finally collecting the obtained fluffy processing yarn.
The bulkiness of the resultant bulkiness-processed yarn was found to be 432inch330g, the adhesion amount of the silicon-based smoothing agent accounts for 1.8wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 5.1mm, the number of crossing points formed by the sheath fiber and the core fiber is 55/cm, the compression rate is 55%, the recovery rate is 69%, and the washing retention rate is 53%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 25%.
Example 13:
feeding sheath fiber and core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 50m/min, and the feeding speed of the sheath fiber is 1200 m/min. The air flow rate in the nozzle was set at 148L/min and the sheath and core fibers were passed through the air nozzle to form a fluffy yarn. Then, after passing through a hot box, the obtained processed wire is subjected to padding coating by a silicon aqueous solution prepared by epoxy modified silicon smoothing agent (bamboo grease, D-SFT 338E) with the weight average molecular weight of 7300 g/mol; and fixing a silicon smoothing agent on the fiber through a secondary heating box, and finally collecting the obtained fluffy processing yarn.
The bulkiness of the obtained bulkiness processed yarn was 308inch by the test330g, the adhesion amount of the silicon-based smoothing agent accounts for 3.5wt% of the total amount of the processed yarn, the radius of a circular ring formed by the sheath fiber is 1.0mm, the number of crossing points formed by the sheath fiber and the core fiber is 30/cm, the compression rate is 71%, the recovery rate is 55%, and the washing retention rate is 88%.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 15%.
Comparative example 1:
feeding sheath fiber and core fiber into a cross device through different feeding rollers respectively, wherein the feeding speed of the core fiber is 20m/min, and the feeding speed of the sheath fiber is 500 m/min. The flow rate of air in the nozzle was set to 60L/min, and the sheath fibers and the core fibers were formed into fluffy processed yarns by the air nozzle and then collected.
The bulkiness of the resultant bulkiness-processed yarn was measured to be 405inch330g, the radius of a circular ring formed by the sheath fiber is 25mm, the number of crossing points formed by the sheath fiber and the core fiber is 80/cm, the compression rate is 80 percent, and the recovery rate is 50 percent.
Filling the fluffy processing silk into the prepared down feather bag for washing, wherein the washing offset rate is 80%.
Claims (6)
1. A fluffy processing yarn is characterized in that: the surface of the fiber of the fluffy yarn is adhered with a silicon smoothing agent, and the fluffy degree of the yarn is 400inch measured by an IDFB method3/30g～800inch330 g; the processing wire is composed of a sheathThe fiber and the core fiber are formed, the sheath fiber and the core fiber are crossed, the sheath fiber forms a circular ring shape with the radius of 2.0-12.0 mm outside the core fiber, and the filament length ratio of the sheath fiber to the core fiber is 3-50.
2. The bulkiness finished yarn of claim 1, wherein: the silicon-based smoothing agent contains structural units represented by formulas 1 and 2,
the weight average molecular weight M of the silicon-based smoothing agentw300-8000 g/mol, R is one or more of epoxy alkyl, hydroxyl, carboxyl or amino.
3. The bulkiness processed yarn of claim 1 or 2, wherein: the fiber surface of the fluffy processing yarn is adhered with a silicon smoothing agent accounting for 0.2-5.0 wt% of the total weight of the processing yarn.
4. The bulkiness finished yarn of claim 1, wherein: the sheath fiber and the core fiber are crossed, and the sheath fiber forms a circular ring shape with the radius of 3.0 mm-8.0 mm outside the core fiber.
5. The bulkiness finished yarn of claim 1, wherein: the number of intersections formed by the sheath fibers and the core fibers is 30-150/cm.
6. The bulkiness processed yarn of claim 1 or 2, wherein: the fluffy yarn has a compression ratio of 50-95% and a recovery ratio of 50-95%.
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| CN110344180A (en) * | 2018-04-04 | 2019-10-18 | 东丽纤维研究所（中国）有限公司 | A kind of sheet cotton |
| CN111088703A (en) * | 2018-10-23 | 2020-05-01 | 东丽纤维研究所（中国）有限公司 | Fluffy processing yarn |
| CN112575443B (en) * | 2019-09-30 | 2022-11-18 | 东丽纤维研究所（中国）有限公司 | Filling material |
| CN113684574A (en) * | 2021-04-28 | 2021-11-23 | 南京佳尔泰纺织科技有限公司 | High-fluffiness high-softness warm-keeping textured yarn |
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| JPH02145826A (en) * | 1988-11-25 | 1990-06-05 | Toray Ind Inc | Bulky fluff yarn |
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| JPH02145826A (en) * | 1988-11-25 | 1990-06-05 | Toray Ind Inc | Bulky fluff yarn |
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