WO2016155317A1

WO2016155317A1 - Blended yarns of yilon and mercerized wool fibers and spinning process thereof

Info

Publication number: WO2016155317A1
Application number: PCT/CN2015/094611
Authority: WO
Inventors: 杨广泽; 吉宜军; 乐荣庆; 崔益怀; 丁祥; 邓春荣; 周爱霞; 范正春
Original assignee: 南通双弘纺织有限公司
Priority date: 2015-04-02
Filing date: 2015-11-13
Publication date: 2016-10-06
Also published as: CN104711729B; CN104711729A

Abstract

Blended yarns of Yilon and mercerized wool fibers and a spinning process thereof, which relate to the technical field of textiles. The Yilon and the mercerized wool fibers are separately opened, cleaned and carded, and then the processes of drawing, roving, spinning and winding are performed on two types of tops, so as to manufacture the blended yarns of the Yilon and the mercerized wool fibers. The blended yarns have the advantages of Yilon ultra-mimic cotton fibers, and also have the characteristics of the mercerized wool fibers; the blended yarns are uniform in evenness, higher in strength and lower in cost. The yarns can further enhance the comfort of a textile, improve the handle of the textile and enhance the grade of a fabric.

Description

Yarn-and-silk wool fiber blended yarn and spinning process thereof

Technical field

The invention relates to the technical field of textiles, in particular to a preparation process of a blended yarn.

Background technique

With the continuous improvement of people's living standards, people's requirements for wearing comfort and aesthetics are getting higher and higher, and healthy and comfortable clothing fabrics have been valued by the mass consumers. Yilun fiber is a new type of copolymerized product independently developed by China and a brand new super-imitation cotton fiber. The new product introduces an advanced technical concept, redesigning the polyester macromolecular chain, and implanting an amide chain link in the main chain to develop a new meaning of copolyester staple fiber. The fiber is lower in price than cotton fiber, and the fiber has the advantages of wrinkle resistance and shape retention, and has excellent properties such as softness and comfort of cotton fiber. It can be blended with cotton, viscose and other fibers in any ratio, or it can be purely spun. Yilun fiber product is a low-carbon, environmentally-friendly and energy-saving product. It can be used for boiling at room temperature with disperse dyes at normal temperature. The coloring rate and dyeing fastness are high.

The wool is treated with chlorination or protease to destroy and peel off the scales on the surface of the wool, reducing the difference in friction coefficient between the forward and reverse movement of the wool. The treated wool has a line of luster and feel, and mercerized wool fibers, commonly known as mercerized wool. Mercerized wool can be either pure wool or blended. The main features are anti-shrinkage, machine washable, and anti-pilling.

Cotton fabric refers to the fabric made of cotton yarn. It is the main raw material of China's textile industry and plays an important role in textile fiber. The mechanical strength and elasticity of the cotton fabric are poor, and the cotton fabric is contaminated with impurities, which affects the durability of the cotton fabric. Cotton fabrics are easily wrinkled and deformed after being washed and worn, and their cost is high, which is not conducive to the development and application of cotton fabrics. Fine cotton or long-staple cotton, medium density and length of medium fiber, the general length is 25 ~ 36mm, the linear density is about 2.12 ~ 1.56dtex, the strength is about 4.4cN. Most of the cotton currently grown in China belongs to this category.

Cotton and mercerized wool fiber blends are often used in the prior art. Because the fine cotton or long-staple cotton fiber contains a certain proportion of short-staple fiber, the length is uneven, the blending process is difficult, the yarn quality is poor and the spinning cost is high. The application of Yifang super-imitation cotton fiber and mercerized wool fiber blending is expected to solve this series of problems.

Summary of the invention

The object of the present invention is to design a blended yarn of rayon fiber and mercerized wool fiber, which is a super-imitation cotton, has uniform yarn length, high strength and low cost.

The technical proposal of the invention is: a blended yarn of rayon fiber and mercerized wool fiber, which is composed of a mixture of styrene fiber and mercerized wool fiber.

Further, the acrylic fiber accounts for 50% to 90% of the total mass of the blended yarn, and the mercerized wool fiber accounts for 10% to 50% of the total mass of the blended yarn.

The blended yarn has the advantages of Yilun ultra-imitation cotton fiber and the characteristics of mercerized wool fiber, and the spun yarn has uniformity, high strength and low cost. Such yarns can further improve the comfort of the fabric, improve the fabric feel and enhance the fabric grade.

In the blended yarn of the rayon fiber and the mercerized wool fiber of the present invention, the ratio of the yam fiber to the total mass of the blended yarn is higher, that is, greater than or equal to 50%, because the price of the mercerized wool fiber is much higher than that of the rayon fiber. Under the premise of satisfying the style of yarn and fabric, the present invention combines the cost and performance ratios to make choices.

Another object of the present invention is to provide a spinning process for the above blended yarn of rayon fiber and mercerized wool fiber. The invention mainly comprises the steps of using a cotton picking machine, a mixed cotton machine, a cotton opening machine, a cotton feeding machine and a winding machine to carry out the cleaning, carding, drawing, roving, spinning and winding processes, and the characteristics are:

1) Opening the cotton fiber to the rayon fiber and the mercerized wool fiber respectively;

When the cotton fiber is opened, the hitting speed of the cotton picker is 740r/min, the hitting speed of the cotton opener is 500r/min, and the comprehensive beater of the winder is a comb hitter with a speed of 850r/min. The speed of the roller is 11r/mi;

When the mercerized wool fiber is opened for cleaning, the hitting speed of the cotton picking machine is 760r/min, the double hitting speed of the mixed cotton machine is 800r/min, and the speed of the small porcupine of the mixed open machine is 900r/min, the opener The speed of the hitter is 550r/min, the speed of the winder is 900r/min, and the speed of the roll roller is 11r/min;

2) combing the styrene fiber and the mercerized wool fiber separately;

When combing the rayon fiber, the carding speed of the carding machine is 880r/min, the speed of the cylinder is 340r/min, the speed of the doffer is 24r/min, and the five-point spacing of the cylinder and the cover plate is from the inlet to the outlet. 0.25mm, 0.23mm, 0.23mm, 0.20mm, 0.23mm;

When combing mercerized wool fibers, the carding speed of the carding machine is 850r/min, the speed of the cylinder is 320r/min, the speed of the doffer is 20r/min, and the five-point spacing between the cylinder and the cover plate is from the inlet to the outlet. 0.25mm, 0.20mm, 0.20mm, 0.20mm, 0.23mm;

3) At the time of drawing, the mercerized wool fiber strips are pre-prepared, and then the mercerized wool fiber tops are mixed with the rayon fiber tops, and the stripping speed is 260-350 m/min when mixing;

4) Quantitative value is 5.0-7.0g/10m in roving, draw ratio 1.15-1.3 in rear zone, 70-80 捻 coefficient, 8mm front roller spacing, 28mm middle roller spacing, 38mm rear roller spacing, ingot The speed is 700 ~ 840r / min;

5) In the case of spun yarn, the yarn guide length is 8 to 10 mm, and the total draft ratio of the spun yarn is 20 to 45.

6) When winding, the winding speed is 900~1100m/min.

The invention is advantageous for accurate blending ratio, uniform composition and good stability. The blended yarn produced by the production process has a single yarn with high strength, uniform strips, less neps, less hairiness and less yarn defects. Further, the present invention is directed to a spinning fiber When carding, the type of cylinder clothing is AC2025*1550, the model of Dow clothing is AD4030*1890, the type of puncturing clothing is AT5615*05611, and the type of clothing is MCH-32.

When combing the mercerized wool fiber, the cylinder type is AC2525*01660, the doffer type is AD4030*1890, the puncturing type is AT5605*05611, and the cover type is MCZ-30.

The pre-draw zone draw ratio is 1.65 to 1.75, the draw zone ratio of the first blending zone is 1.50 to 1.7, and the second zone blending ratio is 1.5 to 1.6. The third blending is performed. The draw ratio in the back zone is 1.35 to 1.5.

Six mercerized wool strips were pre-prepared, and the pre-column weight was 18-20 g/5 m, the front roller gauge was 12 mm, and the rear roller spacing was 20 mm.

When mixing, the first blending is carried out by mixing 5 pre-mixed mercerized wool fiber strips with 3 acrylic fiber strips. The first blending weight is 19-22 g/5 m, the front roller The gauge is 12mm, the rear roller spacing is 20mm; the second mixing is carried out by mixing the first strips after the first mixing, and the strip weight after the second mixing is 19-21g/5m, the front roller spacer The distance is 12mm, the rear roller spacing is 20mm; the third mixing is carried out by mixing the 6 second mixed strips, and the weight after the third mixing is 18-20g/5m, the front roller gauge It is 12mm and the rear roller spacing is 20mm.

In the case of spun yarn, the draft ratio in the rear zone is 1.25 to 1.35, the center distance of the front roller is 44 mm, the center distance of the rear roller is 62 mm, the spindle speed is 14000 to 15000 r/min, the twist coefficient is 315 to 380, and the gauge block is controlled at 2.5 to 3.5mm.

The winding machine adopts SAVIO automatic winder equipped with Lofi photoelectric electronic yarn clearer.

DETAILED DESCRIPTION OF THE INVENTION First, the production process: 1, blending ratio: Yilun / mercerized wool is 65/35. The raw material has a fineness of 1.56 dtex and a fiber length of 38 mm. The raw mercerized wool fiber has a fineness of 18.5 um and a fiber length of 38 mm. Blended yarn number: 18.5 tex. 2, the process: FA002A automatic cotton picker---FA035C type open opener---FA106A type opener---FA161 type cotton machine---A076C type roll machine---FA201B type comb Cotton machine---pre-filamented wool strip, Yilunsheng strip---FA1302 type draw frame (three-way)---FA1415 roving frame---EJM128K type spinning frame---SAVIO automatic winder . 3. Process configuration and quality control measures. 3.1 Open the cotton cleaning process.

Equipment: FA002A automatic cotton picker, FA035C hybrid opener, FA106A opener, FA161 cotton feeder and A076C winder.

The cotton fiber and the mercerized wool fiber are separately opened for cleaning. Special process requirements: According to the characteristics of long length and uniformity of raw fiber of Yilun fiber, the process of “cleaning and loosening, fully opening” should be adopted in the process of opening and cleaning cotton. FA035C type mixed open cotton spinning machine Skip the porcupine small hitter, FA161 type cotton machine curtain opening is properly enlarged, FA002A automatic cotton picker hit speed is 740r / min, FA106A type opener hit speed is 500r / min, A076C type winder The comprehensive beater was changed to a comb hitter with a speed of 850r/min and a roll roller speed of 11r/min.

The speed of each of the spinning wool should be properly increased, which is conducive to the opening and falling of the fiber. FA002A automatic cotton picking The machine's hit speed is 760r/min, the FA035C type opener has a double-hand speed of 800r/min, the FA035C type opener has a small porcupine speed of 900r/min, and the FA106A opener has a beater speed of 550r/min. Min, the speed of the A076C winder is 900r/min, and the speed of the roller of the A076C winder is 11r/min. The roll unevenness rate is not more than 1.5%.

3.2 carding process.

Equipment: FA201B carding machine.

The carded fibers and the mercerized wool fibers are separately carded.

Special process requirements: Due to the long length of the acrylic fiber, it is necessary to properly enlarge the distance between the cylinder and the cover plate, the speed of the licker roller should be reduced, and the line speed ratio of the cylinder and the licker roller should be increased, which is beneficial to the fiber transfer. The method of increasing the gauge distance between the panel and the licker roller, appropriately amplifying the distance between the cylinder and the cover plate, reducing the speed of the licker roller, increasing the line speed ratio of the cylinder and the licker roller, and combing the rayon fiber The speed of the licker of the cotton machine is 880r/min, the speed of the cylinder is 340r/min, the speed of the doffer is 24r/min, and the five-point spacing between the cylinder and the cover is 0.25mm, 0.23mm, 0.23mm from the inlet to the outlet respectively. 0.20mm, 0.23mm; In addition, the reasonable choice of the type of card clothing is the key to improve carding, the type of cylinder clothing is AC2025*1550, the model of Dow clothing is AD4030*1890, and the type of puncturing clothing is AT5615*05611. The cover card type is MCH-32 type.

When spinning wool fiber, the speed of the licking roller is 850r/min, the speed of the cylinder is 320r/min, the speed of the doffer is 20r/min, and the five-point spacing between the cylinder and the cover is from the inlet to the exit respectively. It is 0.25mm, 0.20mm, 0.20mm, 0.20mm, 0.23mm, the type of cylinder clothing is AC2525*01660, the model of Dow clothing is AD4030*1890, the type of puncturing clothing is AT5605*05611, the type of cover clothing For the MCZ-30 type.

The process configuration is shown in Table 1.

Table 1

The quality index requirements are shown in Table 2.

Table 2

3.3 Parallel process.

In order to improve the uniformity of the strip and ensure the accuracy of the blending ratio, the mercerized wool strips are pre-compounded, and then the mercerized wool fiber tops and the rayon fiber tops are mixed three times. The mixing speed is 260-350 m/min when mixing.

The 6 mercerized wool strips are pre-prepared, and the drafting ratio of the rear zone is increased. The drafting ratio of the pre-contracting zone is controlled at 1.65 to 1.75, and the pre-column weight is 18-20 g/5 m. The gauge is 12mm and the rear roller spacing is 20mm.

In the first mixing, 5 pre-mixed mercerized wool fiber strips were mixed with 3 acrylic fiber strips, and the first mixing ratio of the rear zone was 1.50-1.7, the front roller The gauge is 12mm, the rear roller spacing is 20mm, and the strip weight after the first mixing is 19-22g/5m.

The second mixing is carried out by mixing the six first mixed strips. The second mixing ratio is 1.5 to 1.6, the front roller spacing is 12 mm, and the rear roller spacing is 20 mm. The bar weight after the second mixing is 19 to 21 g/5 m.

The third mixing is carried out by mixing the two second mixed strips. The third mixing ratio is 1.35 to 1.5, the front roller spacing is 12 mm, and the rear roller spacing is 20 mm. The weight after three times of mixing is 18-20 g/5 m.

In order to prevent the rubber roller and the roller from controlling the temperature and humidity of the workshop during the production process, the rubber roller should be subjected to antistatic treatment, and at the same time, the channel should be kept clean and the vehicle speed is not too high. The three-parallel dry CV% is not more than 3.2%. The process configuration is shown in Table 3.

table 3

3.4 roving process.

Adopting the principle of “heavy quantitative, large rear compartment spacing, small rear zone drafting multiple”, the roving quantitative design should be reasonable, the package should be appropriately reduced, and the fixed length design should be reasonable. To prevent accidental drafting, a larger roving twist factor and a smaller spinning tension are used. The quantitative value is 5.0-7.0 g/10 m, the draft ratio in the rear zone is 1.15-1.3, the twist coefficient is 70-80, the front roller spacing is 8 mm, the middle roller spacing is 28 mm, the rear roller spacing is 38 mm, and the spindle speed is 700-840 r. /min. The stem CV% is not more than 4.5%.

The process configuration is shown in Table 4.

Table 4

3.5 Spinning process.

With compact spinning technology, the yarn guide movement is small, the yarn guide yarn stroke is 8~10mm, and the bell mouth position should be adjusted one by one to avoid feeding the roving to the edge of the rubber roller. With a large rear compartment gauge and a large rear zone drafting ratio, the daily management should shorten the replacement cycle of the roller, prevent the roller from being sunken, and the tour operator should be timely to prevent entanglement. The configuration of the steel ring traveler should be reasonable, using alloy steel collar and BS4/0 nano sapphire traveler.

The drafting ratio in the rear zone is 1.25 to 1.35, the center distance of the front roller is 44 mm, the center distance of the rear roller is 62 mm, the spindle speed is 14000 to 15000 r/min, the twist coefficient is 315 to 380, and the gauge block is controlled at 2.5 to 3.5 mm. The total draw ratio is 20 to 45.

The dry CV% of the yarn is not more than 14.5%. 3.6 winding process.

In the process of processing the tube yarn into a bobbin, the electric cleaning process parameters are reasonably configured to effectively remove harmful yarn defects. It adopts SAVIO automatic winder and equipped with Lofi photoelectric electronic yarn clearer.

The winding speed is 900 to 1100 m/min.

NN	SS	LL	TT
250250	150％1.6150%1.6	32％1832%18	-32％15-32%15

The main process parameters of Luofei photoelectric electronic yarn clearer are shown in the above table.

Second, the quality of 65/35 rayon/silk wool yarn made by the above process:

Yarn number: 18.5 tex.

Strip CV: 13.4%.

-50% details: 0 / km.

+50% thick section: 20 / km.

+200% nep: 45 / km.

Mass variation coefficient of 100 meters: 1.5%.

Hairiness H: 4.4.

Single yarn breaking strength: 15.2 cN/tex.

100,000 meters of yarn 疵: 2.5 / 10 ⁶ m.

Claims

The invention relates to a yarn of rayon and mercerized wool fiber, which is characterized in that it is composed of a mixture of styrene fiber and mercerized wool fiber.
The blended yarn of the rayon and the mercerized wool fiber according to claim 1, wherein the rayon fiber accounts for 50% to 90% of the total mass of the blended yarn, and the mercerized wool fiber accounts for 10% to 50% of the total mass of the blended yarn. .
The spinning process of the blended yarn of the rayon and the mercerized wool fiber according to claim 1, which mainly comprises the use of a cotton picker, a mixed cotton machine, a cotton opener, a cotton feeder and a winder for opening the cotton and carding. , drawing, roving, spinning and winding process steps, characterized by:

1) Opening the cotton fiber to the rayon fiber and the mercerized wool fiber respectively;

When the cotton fiber is opened, the hitting speed of the cotton picker is 740r/min, the hitting speed of the cotton opener is 500r/min, and the comprehensive beater of the winder is a comb hitter with a speed of 850r/min. The speed of the roller is 11r/mi;

When the mercerized wool fiber is opened for cleaning, the hitting speed of the cotton picking machine is 760r/min, the double hitting speed of the mixed cotton machine is 800r/min, and the speed of the small porcupine of the mixed open machine is 900r/min, the opener The speed of the hitter is 550r/min, the speed of the winder is 900r/min, and the speed of the roll roller is 11r/min;

2) combing the styrene fiber and the mercerized wool fiber separately;

When combing the rayon fiber, the carding speed of the carding machine is 880r/min, the speed of the cylinder is 340r/min, the speed of the doffer is 24r/min, and the five-point spacing of the cylinder and the cover plate is from the inlet to the outlet. 0.25mm, 0.23mm, 0.23mm, 0.20mm, 0.23mm;

When combing mercerized wool fibers, the carding speed of the carding machine is 850r/min, the speed of the cylinder is 320r/min, the speed of the doffer is 20r/min, and the five-point spacing between the cylinder and the cover plate is from the inlet to the outlet. 0.25mm, 0.20mm, 0.20mm, 0.20mm, 0.23mm;

3) At the time of drawing, the mercerized wool fiber strips are pre-prepared, and then the mercerized wool fiber tops are mixed with the rayon fiber tops, and the stripping speed is 260-350 m/min when mixing;

4) Quantitative value is 5.0-7.0g/10m in roving, draw ratio 1.15-1.3 in rear zone, 70-80 捻 coefficient, 8mm front roller spacing, 28mm middle roller spacing, 38mm rear roller spacing, ingot The speed is 700 ~ 840r / min;

5) In the case of spun yarn, the yarn guide length is 8 to 10 mm, and the total draft ratio of the spun yarn is 20 to 45.

6) When winding, the winding speed is 900~1100m/min.
The spinning process according to claim 3, characterized in that: when carding the spun rayon fiber, the model of the cylinder clothing is AC2025*1550, the model of the doffer clothing is AD4030*1890, and the model of the licker clothing. For AT5615*05611, the cover card type is MCH-32.
The spinning process according to claim 3, characterized in that: when the carded wool fiber is carded, the cylinder type is AC2525*01660, the doffer type is AD4030*1890, and the lance type is AT5605*05611, the cover card type is MCZ-30 type.
The spinning process according to claim 3, characterized in that the draft ratio of the pre-mixed rear zone is 1.65 to 1.75, and the draw ratio of the back zone of the first blending is 1.50 to 1.7, which is mixed for the second time. The draw ratio in the back zone is 1.5 to 1.6, and the draw ratio in the back zone of the third blend is 1.35 to 1.5.
The spinning process according to claim 3 or 6, characterized in that: six mercerized wool strips are pre-prepared, and the weight of the pre-column is 18-20 g/5 m, the front roller spacer is 12 mm, the rear roller The spacing is 20mm.
The spinning process according to claim 3 or 6, wherein, in the mixing, the first mixing is carried out by mixing five pre-combined mercerized wool fiber strips with three acrylic fiber strips, The weight of the strip after mixing is 19~22g/5m, the front roller spacer is 12mm, and the rear roller spacing is 20mm. The second mixing is performed by mixing the first strips after the first mixing. After the second mixing, the bar weight is 19～21g/5m, the front roller spacer is 12mm, and the rear roller spacing is 20mm. The third mixing is performed by using the 6 second mixing and mixing strips, the third time. The weight of the mixed strip is 18-20g/5m, the front roller gauge is 12mm, and the rear roller spacing is 20mm.
The spinning process according to claim 3, characterized in that, in the case of the spun yarn, the draw ratio in the rear zone is 1.25 to 1.35, the center distance of the front roller is 44 mm, the center distance of the rear roller is 62 mm, and the spindle speed is 14000 to 15000 r/min. The 捻 coefficient is 315 ~ 380, and the gauge block is controlled at 2.5 ~ 3.5mm.
The spinning process according to claim 3, characterized in that the winding tube is a SAVIO automatic winder equipped with a Lofi photoelectric electronic yarn clearer.