Tencel high-count high-density fabric and production method thereof

Abstract

The invention discloses a tencel high-count and high-density fabric and a production method thereof, the tencel high-count and high-density fabric comprises an eight-warp satin weave fabric woven by warps and wefts, the warp density is 1620-1650 / 10cm, the warps adopt siro compact spinning yarns with the nominal linear density of 4.92 + / -0.1 tex and the single yarn breaking strength of 120 + / -10cN; the density of the wefts is 540 pieces per 10 cm, and the wefts are Siro compact spinning yarns with the nominal linear density of 8.43 + / -0.2 tex and the single yarn breaking strength of 180 + / -10 cN; the fabric is processed through the steps of warping, slashing, re-beaming, drafting, weaving on a machine and dyeing and finishing. According to the method, the problem of shutdown of the tencel high-count and high-density fabric due to frequent warp breakage is solved, the efficiency is improved, the cloth cover quality is ensured, and the processed fabric has super-smooth touch feeling and soft gloss.

Description

Technical Field

[0001] The invention relates to the technical field of textiles, and in particular to a Tencel high-count and high-density fabric and a production method thereof. Background Art

[0002] With the restriction of natural fiber and synthetic fiber production, people pay more attention to the environmental performance of textile consumption, and at the same time, they have re-recognized and explored the value of recycled fiber. "Tencel fiber" is a new type of man-made cellulose fiber. The International Man-Made Fiber Bureau named it "LYOCELL", the trade name is TENCEL, and the domestic trade name is "Tencel". Tencel products have been used in household textiles and bedding in recent years. In order to improve the quality of textiles made of Tencel, they are gradually made into high-count yarns with higher fineness. In order to ensure the durability and texture of the fabric, the density of the fabric will be increased. However, the conventional process of producing high-density long-staple cotton fabrics is prone to warp breakage, weft stop and other phenomena, which will cause downtime, and continuous production cannot be achieved, which is inefficient and the quality of the fabric cannot be guaranteed. Summary of the invention

[0003] The purpose of the present invention is to provide a Tencel high-count and high-density fabric and a production method thereof, so as to solve the problem of frequent breakage of warp yarns of the Tencel high-count and high-density fabric and shutdown, improve efficiency and ensure the technical problem of fabric quality.

[0004] In order to achieve the purpose of the present invention, the present invention provides a Tencel high-count and high-density fabric, comprising: an eight-warp satin fabric woven by warp and weft, the warp density is 1620-1650 pieces / 10cm, the warp adopts a siro-compact spun yarn with a nominal linear density of 4.92±0.1tex and a single yarn breaking strength of 120±10cN; the weft density is 540 pieces / 10cm, the weft adopts a siro-compact spun yarn with a nominal linear density of 8.43±0.2tex and a single yarn breaking strength of 180±10cN; the fabric is processed through the steps of warping, sizing, beaming, drawing-in, weaving on a machine and dyeing and finishing.

[0005] As a preferred technical solution of the present invention, in the warping step, the warp yarns are subjected to warping treatment; In the sizing step, the warp yarn after the warping step is subjected to sizing treatment; In the beaming step, the warp yarns after the sizing step are subjected to a secondary beaming process; In the drawing-in step, the warp yarns after the paralleling process are drawn-in, and 10 pages of heald frames are configured, and the side weave uses an independent 2-page heald frame; In the weaving step, the weft yarn and the warp yarn processed in the drawing-in step are used as raw materials for weaving, and an air jet loom is used for weaving to obtain a grey cloth; In the dyeing and finishing step, the grey cloth is subjected to singeing, desizing, enzyme polishing, boiling and bleaching, pad dyeing and functional post-finishing to obtain the Tencel high-count and high-density fabric.

[0006] As a preferred technical solution of the present invention, in the warping step, the single-axis head portion of the warping machine is 700~1024 yarns, the vehicle speed is 500~600m / min, the yarn tension is jointly controlled by the yarn clamp and the tension disk, the yarn pretensioner opening delay time adjustment range is 0~20 seconds, the yarn pretensioner operating position adjustment range is 0~50mm, the brake opening delay time adjustment range is 0~20 seconds, and the warping pressure is 200~300cN.

[0007] As a preferred technical solution of the present invention, in the sizing step, the sizing machine used is a double-sizing trough sizing machine, the sizing rate of the sizing material is 8%~15%; the slurry viscosity is 5~8 seconds; the slurry temperature is 95℃~100℃, the slurry dipping method is double dipping and four rolling, the pressure of the yarn pressing roller is 2500~2800N; the roller width is 1500~2400mm.

[0008] As a preferred technical solution of the present invention, the sizing material is a combination of one or more of propylene, cationic modified starch, acid ester modified starch, phosphate modified starch and wax flakes.

[0009] As a preferred technical solution of the present invention, in the step of aligning the yarns, 2 to 4 sizing yarn shafts are aligned.

[0010] As a preferred technical solution of the present invention, in the weaving step, the air flow velocity of the main nozzle of the loom is 60m / s~100m / s, the yarn drafting force is 0.3Mpa~0.8Mpa, the warp opening time is 280°~300°, the opening angle is 28°~35°, the warp tension is 5000~5500N, the weft insertion time is 70°~90°, and the weft arrival time is 210°~260°.

[0011] As a preferred technical solution of the present invention, in the dyeing and finishing step, the singeing method is two positive and two negative processes; the machine speed is 80m / min-100m / min; the flame intensity is 12-13 for upper through burning and 11-12 for lower half through burning; The desizing is carried out by enzyme desizing, and the components of the enzyme desizing working solution are: 3g / l-10g / l enzyme desizing agent, 1g / l-5g / l penetrant, 1g / l-5g / l dispersing complexing agent, 10g / l-20g / l refining enzyme, 10g / l-20g / l hydrogen peroxide, 10g / l-20g / l stabilizer and 1.0g / l-3.0g / l liquid alkali; The process conditions of the enzyme polishing treatment are: (50±5)°C x 4 passes; the components of the enzyme auxiliary agent are: 3g / l-10g / l polishing enzyme, 1g / l-3g / l glacial acetic acid, 6g / l-10g / l refining penetrating detergent and 8g / l-15g / l soda ash; The process conditions of the scalding and bleaching treatment are: (98±2)℃x4 times; The pad dyeing adopts a wet short steaming method, and the pad dyeing treatment includes: rolling, steaming, washing and drying the pre-stretched product in sequence; the process conditions of the wet short steaming pad dyeing treatment are: steaming temperature x vehicle speed is (102±2)℃x(45±5) m / min; the auxiliary agent components used in the wet short steaming pad dyeing treatment are: 0.1g / l-8g / l active dye, 8g / l-15g / l soda ash, 8g / l-15g / l baking soda, 3g / l-10g / l resist salt and 1g / l-5g / l degassing agent; The process conditions of the functional finishing are as follows: temperature x humidity is (160±5)°C x (45±5) m / min; the components of the slurry are: 30g / l-45g / l softener b, 5g / l-15g / l softener d, 60g / l-100g / l formaldehyde-free resin, 8g / l-15g / l anti-pilling agent, 1g / l-3g / l emulsifying dispersant, 0.5g / l-2g / l environmentally friendly acid and 0.05g / l-0.3g / l defoaming agent.

[0012] The present invention provides a method for producing a Tencel high-count and high-density fabric, comprising the following steps: S1. Raw material selection: The warp yarn uses Siro compact spun yarn with a nominal linear density of 4.92±0.1tex and a single yarn breaking strength of 120±10cN; the weft yarn uses Siro compact spun yarn with a nominal linear density of 8.43±0.2tex and a single yarn breaking strength of 180±10cN; S2, warping: warping the warp yarns in step S1. During the warping process, the warping machine has a single-axis head of 700-1024 yarns, a machine speed of 500-600 m / min, a yarn clamp and a tension disk are used to control the yarn tension, the yarn pretensioner opening delay time adjustment range is 0-20 seconds, the yarn pretensioner running position adjustment range is 0-50 mm, the brake opening delay time adjustment range is 0-20 seconds, and the warping pressure is 200-300 cN; S3, sizing: a double-sizing trough sizing machine is used to perform sizing treatment on the warp yarn in step S2, wherein the sizing liquid used in the sizing process has a sizing rate of 8% to 15%, a sizing viscosity of 5 to 8 seconds, a sizing temperature of 95°C to 100°C, and the sizing liquid is selected from modified starch slurry; the sizing method is double dipping and four rolling, the pressure of the yarn pressing roller is 2500 to 2800N, and the roller width is 1500 to 2400mm; S4, combining the weaving beams: using a sizing machine to combine the sizing beams in step S3 for a second time to form a weaving beam; S5, drawing in: drawing in the warp yarns processed in step S4, configuring 10 heald frames, and using independent 2-page heald frames for the side weave; S6, weaving on a machine: the warp yarn treated in step S5 and the weft yarn in step S1 are used as raw materials for weaving to obtain a grey cloth, wherein the air flow velocity of the main nozzle is 60m / s~100m / s, the yarn drafting force is 0.3Mpa~0.8Mpa; the warp opening time is 280°~300°, the opening angle is 28°~35°, the warp tension is 5000~5500N, the weft insertion time is 70°~90°, and the weft arrival time is 210°~260°; S7, dyeing and finishing: dyeing and finishing the grey cloth obtained in step S6 to obtain the Tencel high-count and high-density fabric.

[0013] As a preferred technical solution of the present invention, in step S7, the dyeing and finishing includes: S71, singeing: the process conditions of singeing treatment are: the singeing method is two positive and two negative processes; the speed is 80m / min-100m / min; the flame intensity is 12-13 for upper through burning and 11-12 for lower half through burning; S72, desizing: after the grey cloth is subjected to singeing treatment, the singed grey cloth is extinguished by using enzyme desizing working solution instead of water, and the enzyme desizing working solution is padded, and the temperature of the enzyme desizing working solution is raised to 50°C-60°C by using the temperature of the cloth body, so as to reach the temperature required for cold pad-batch enzyme desizing treatment; the components of the enzyme desizing working solution are: 3g / l-10g / l enzyme desizing agent, 1g / l-5g / l penetrant, 1g / l-5g / l dispersing complexing agent, 10g / l-20g / l refining enzyme, 10g / l-20g / l hydrogen peroxide, 10g / l-20g / l stabilizer and 1.0g / l-3.0g / l liquid alkali; the time of cold pad-batch enzyme desizing treatment is 20h-24h; S73, enzyme polishing: the process conditions of enzyme polishing treatment are: (50±5)℃x4 times; the components of enzyme auxiliary agent are: 3g / l-10g / l polishing enzyme, 1g / l-3g / l glacial acetic acid, 6g / l-10g / l refining penetrating detergent and 8g / l-15g / l soda ash. After enzyme polishing treatment, the fabric has the effects of fiber anti-fibrillation, polishing and pre-anti-pilling treatment; S74, scouring and bleaching: The process conditions for scouring and bleaching are: (98±2)℃x4 times; S75, Pad dyeing: Wet short steam pad dyeing treatment includes: rolling, steaming, washing and drying the pre-stretched product in sequence; the process conditions of wet short steam pad dyeing treatment are: steaming temperature x vehicle speed is (102±2)℃ x (45±5)m / min; the auxiliary components used in wet short steam pad dyeing treatment are: 0.1g / l-8g / l reactive dye, 8g / l-15g / l soda ash, 8g / l-15g / l baking soda, 3g / l-10g / l resist salt and 1g / l-5g / l degassing agent; S76, functional post-finishing: using the post-finishing slurry to undergo cross-linking reaction, the product slurry is stretched, and then calendering and shrinking treatment are performed in sequence to obtain a Tencel home textile fabric that is fiber-suppressed, anti-pilling, soft, shiny, and smooth; The process conditions for functional finishing are: temperature x humidity is (160±5)℃x (45±5)m / min; the components of the slurry are: 30g / l-45g / l softener b, 5g / l-15g / l softener d, 60g / l-100g / l formaldehyde-free resin, 8g / l-15g / l anti-pilling agent, 1g / l-3g / l emulsifying dispersant, 0.5g / l-2g / l environmentally friendly acid and 0.05g / l-0.3g / l defoaming agent.

[0014] Compared with the prior art, the present invention provides a Tencel high-count and high-density fabric and a production method thereof, which has the following beneficial effects: 1. The present invention solves the problem of low production efficiency caused by warp yarn breakage and weft yarn stoppage in the weaving process by controlling warping, sizing, drawing-in, weaving methods and process parameters; 2. The present invention uses the fiber suppression treatment process of Tencel to produce a fabric with a delicate feel, ultra-smooth touch and soft luster. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 These are the process steps of the fabric production method of the present invention; Figure 2 It is the process step of the fabric dyeing and finishing process of the present invention; Figure 3 It is a table of weaving efficiency and downtime data of the fabric of the present invention; Figure 4 This is a data table of the weft breaking strength and pilling resistance of the fabric of the present invention. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] Example 1 A Tencel high-count and high-density fabric, the specific implementation steps are as follows: 1. Raw material selection: The warp yarn is made of siro-compact yarn with a nominal linear density of 4.92tex and a single yarn breaking strength of 120cN. The weft yarn is made of siro-compact yarn with a nominal linear density of 8.43tex and a single yarn breaking strength of 180cN.

[0018] 2. Warping: The warp yarns in step 1 were warped using a Benninger warping machine. During the warping process, the single-axis head of the warping machine was 900 yarns, the machine speed was 500 m / min, the yarn tension was controlled by a yarn clamp and a tension disk, the yarn pretensioner opening delay time was 1 second, the yarn pretensioner operating position was 0, the brake opening delay time was 2 seconds, the warping pressure was 280 cN, and there were 24 warp beams.

[0019] 3. Sizing: A double-sizing trough sizing machine is used to carry out sizing treatment on the warp yarns in step 2. The sizing liquid used in the sizing process has a sizing rate of 14%, a sizing viscosity of 6 seconds, a sizing temperature of 98°C, a drying drum temperature of 115°C, and modified starch slurry, wax flakes, and propylene. The sizing method is double dipping and four rolling, the pressure of the yarn pressing roller is 2700N, the roller width is 2400mm, and there are 2 sizing shafts.

[0020] 4. Secondary combining: Use a sizing machine to combine the sizing beams in step 3 for a second time and merge them into one weaving beam.

[0021] 5. Drawing-in: The warp yarn processed in step 4 is drawn in. The healds are imported high-density healds, equipped with 10 pages of heald frames, and the side weave uses an independent 2-page heald frame.

[0022] 6. Weaving: The warp yarn treated in step 5 and the weft yarn in step 1 are used as raw materials for weaving to obtain a grey cloth with a density of 1225×545 yarns / 10 cm, the air flow velocity of the main nozzle of the loom is 75 m / s, the yarn drafting force is 0.45 MPa, the warp opening time is 300°, the opening angle is 30°, the warp tension is 5000 N, the weft insertion time is 75°, and the weft arrival time is 246°.

[0023] 7. Dyeing and finishing: 7.1 Singeing: Singeing adopts two forward and two reverse processes; the machine speed is 85m / min; the flame intensity is 12 for upper thorough burning and 11 for lower half thorough burning.

[0024] 7.2 Desizing: After the grey cloth is singed, the enzyme desizing working solution is used instead of water to extinguish the singed grey cloth, and the enzyme desizing working solution composed of 10g / l enzyme desizing agent, 4g / l penetrant, 3g / l dispersing complexing agent, 15g / l refining enzyme, 16g / l hydrogen peroxide, 18g / l stabilizer and 2.0g / l liquid alkali is immersed and rolled. The enzyme desizing working solution is heated to 60℃ using the temperature of the cloth body to reach the temperature required for cold pad-batch enzyme desizing treatment. The time of cold pad-batch enzyme desizing treatment is 24h.

[0025] 7.3 Enzyme polishing: The enzyme polishing treatment liquid is composed of 8g / l polishing enzyme, 2g / l glacial acetic acid, 6g / l refining penetrating detergent and 8g / l soda ash. After the preform after desizing is dipped in 50℃ enzyme polishing treatment liquid for 4 times, the fabric has the effect of fiber anti-fibrillation, polishing and pre-anti-pilling treatment.

[0026] 7.4 Scouring and bleaching: The process conditions for scouring and bleaching are: 98℃ x 4 times; 7.5 Pad dyeing: The pre-stretched products are subjected to pad dyeing, steaming, washing and drying in sequence. The pad dyeing liquid is: 5g / l reactive dye, 12g / l soda ash, 10g / l baking soda, 8g / l resist salt and 3g / l degassing agent. The steaming temperature is 102℃ and the speed is 45 m / min; 7.6 Functional finishing: the slurry temperature is 160℃, the vehicle speed is 45 m / min, and the slurry is composed of 35g / l softener b, 10g / l softener d, 80g / l formaldehyde-free resin, 12g / l anti-pilling agent, 2g / l emulsifying dispersant, 1.5g / l environmentally friendly acid and 0.1g / l defoaming agent.

[0027] After sizing, calendering and shrinkage treatments, the Tencel home textile fabrics with fiber suppression, anti-pilling, soft, glossy and smooth feel are obtained.

[0028] Example 2 A Tencel high-count and high-density fabric, the specific implementation steps are as follows: 1. Raw material selection: The warp yarn is made of siro-compact yarn with a nominal linear density of 4.92 tex and a single yarn breaking strength of 120 cN. The weft yarn is made of siro-compact yarn with a nominal linear density of 8.43 tex and a single yarn breaking strength of 180 cN.

[0029] 2. Warping: The warp yarn in step 1 was warped using a Benninger warping machine. During the warping process, the single-axis head portion of the warping machine was 832 yarns, the machine speed was 550 m / min, the yarn tension was controlled by a yarn clamp and a tension disk, the yarn pretensioner opening delay time was 1 second, the yarn pretensioner operating position was 0, the brake opening delay time was 2 seconds, the warping pressure was 280 cN, and there were 26 warp beams.

[0030] 3. Sizing: Use a single-sizing tank sizing machine to carry out sizing treatment on the warp yarn in step 2. The sizing liquid used in the sizing process has a sizing rate of 10%, a sizing viscosity of 5 seconds, a sizing temperature of 100°C, a drying drum temperature of 110°C, and modified starch slurry and wax flakes. The sizing method is single immersion and four rolling, the pressure of the yarn pressing roller is 2800N, the roller width is 2400mm, and there are 2 sizing shafts.

[0031] 4. Secondary combining: Use a sizing machine to combine the sizing beams in step 3 for the second time and merge them into one weaving beam.

[0032] 5. Drawing-in: The warp yarn processed in step 4 is drawn in. The healds are imported high-density healds, and 10 pages of heald frames are configured. The 2 pages of side weaves use separate heald frames.

[0033] 6. Weaving: The warp yarn treated in step 5 and the weft yarn in step 1 are used as raw materials for weaving to obtain a grey cloth with a density of 1225×545 yarns / 10 cm, the air flow velocity of the main nozzle of the loom is 80 m / s, the yarn drafting force is 0.55 MPa, the warp opening time is 295°, the opening angle is 28°, the warp tension is 5400 N, the weft insertion time is 80°, and the weft arrival time is 240°.

[0034] 7. Dyeing and finishing: 7.1 Singeing: Singeing adopts two forward and two reverse processes; the machine speed is 90m / min; the flame intensity is 13 for upper thorough burning and 12 for lower semi-thorough burning.

[0035] 7.2 Desizing: After the grey cloth is singed, the enzyme desizing working solution is used instead of water to extinguish the singed grey cloth, and the enzyme desizing working solution composed of 8g / l enzyme desizing agent, 3g / l penetrant, 4g / l dispersing complexing agent, 15g / l refined enzyme, 15g / l hydrogen peroxide, 15g / l stabilizer and 2.0g / l liquid alkali is immersed and rolled. The enzyme desizing working solution is heated to 55°C using the temperature of the cloth body to reach the temperature required for cold pad-batch enzyme desizing treatment. The time of cold pad-batch enzyme desizing treatment is 24h.

[0036] 7.3 Enzyme polishing: The enzyme polishing treatment liquid is composed of 7g / l polishing enzyme, 2g / l glacial acetic acid, 7g / l refined penetrating detergent and 9g / l soda ash. After the preformed product after desizing is dipped in 55℃ enzyme polishing treatment liquid for 4 times, the fabric has the effect of anti-fibrillation, polishing and pre-anti-pilling treatment.

[0037] 7.4 Scouring and bleaching: The process conditions for scouring and bleaching are: 100℃ x 4 times; 7.5 Pad dyeing: The pre-stretched products are subjected to pad dyeing, steaming, washing and drying in sequence. The pad dyeing liquid is: 6g / l reactive dye, 10g / l soda ash, 8g / l baking soda, 7g / l resist salt and 4g / l degassing agent. The steaming temperature is 104℃ and the speed is 50 m / min; 7.6 Functional finishing: the slurry temperature is 165℃, the vehicle speed is 50 m / min, and the slurry is composed of 30g / l softener b, 12g / l softener d, 90g / l formaldehyde-free resin, 13g / l anti-pilling agent, 1g / l emulsifying dispersant, 0.8g / l environmentally friendly acid and 0.2g / l defoaming agent.

[0038] After sizing, calendering and shrinkage treatments, the Tencel home textile fabrics with fiber suppression, anti-pilling, soft, glossy and smooth feel are obtained.

[0039] Example 3 A Tencel high-count and high-density fabric, the specific implementation steps are as follows: 1. Raw material selection: The warp yarn is made of siro-compact yarn with a nominal linear density of 4.92tex and a single yarn breaking strength of 120cN. The weft yarn is made of siro-compact yarn with a nominal linear density of 9.84tex and a single yarn breaking strength of 180cN.

[0040] 2. Warping: The warp yarn in step 1 was warped using a Benninger warping machine. During the warping process, the single-axis head of the warping machine was 772 yarns, the machine speed was 500 m / min, the yarn tension was controlled by a yarn clamp and a tension disk, the yarn pretensioner opening delay time was 2 seconds, the yarn pretensioner operating position was 0, the brake opening delay time was 3 seconds, the warping pressure was 270 cN, and there were 14 warp beams.

[0041] 3. Sizing: A double-sizing trough sizing machine is used to perform sizing treatment on the warp yarns in step 2. The sizing liquid used in the sizing process has a sizing rate of 14%, a sizing viscosity of 6 seconds, a sizing temperature of 98°C, a drying drum temperature of 115°C, and a modified starch slurry. The sizing method is double dipping and four rolling, the pressure of the yarn pressing roller is 2700N, the roller width is 2400mm, there are 12 weaving shafts, and 4 sizing shafts.

[0042] 4. Secondary alignment: Use a sizing machine to perform secondary alignment on the four sizing shafts in step 3.

[0043] 5. Drawing-in: The warp yarn processed in step 4 is drawn in. The healds are imported high-density healds, equipped with 10 pages of heald frames, and the side weave uses an independent 2-page heald frame.

[0044] 6. Weaving: The warp yarn treated in step 5 and the weft yarn in step 1 are used as raw materials for weaving to obtain a grey cloth with a density of 1225×545 yarns / 10 cm, the air flow velocity of the main nozzle of the loom is 75 m / s, the yarn drafting force is 0.45 MPa, the warp opening time is 300°, the opening angle is 30°, the warp tension is 5000 N, the weft insertion time is 75°, and the weft arrival time is 246°.

[0045] 7. Dyeing and finishing: 7.1 Singeing: Singeing adopts two forward and two reverse processes; the machine speed is 95m / min; the flame intensity is 12 for upper thorough burning and 11 for lower half thorough burning.

[0046] 7.2 Desizing: After the grey cloth is singed, the enzyme desizing working solution is used instead of water to extinguish the singed grey cloth, and the enzyme desizing working solution composed of 10g / l enzyme desizing agent, 4g / l penetrant, 3g / l dispersing complexing agent, 15g / l refined enzyme, 16g / l hydrogen peroxide, 18g / l stabilizer and 2.0g / l liquid alkali is immersed and rolled. The enzyme desizing working solution is heated to 60°C using the temperature of the cloth body to reach the temperature required for cold pad-batch enzyme desizing treatment. The time of cold pad-batch enzyme desizing treatment is 24h.

[0047] 7.3 Enzyme polishing: The enzyme polishing treatment liquid is composed of 8g / l polishing enzyme, 2g / l glacial acetic acid, 6g / l refining penetrating detergent and 8g / l soda ash. After the preform after desizing is dipped in 50℃ enzyme polishing treatment liquid for 4 times, the fabric has the effect of fiber anti-fibrillation, polishing and pre-anti-pilling treatment.

[0048] 7.4 Scouring and bleaching: The process conditions for scouring and bleaching are: 98℃ x 4 times; 7.5 Pad dyeing: The pre-stretched products are subjected to pad dyeing, steaming, washing and drying in sequence. The pad dyeing liquid is: 5g / l reactive dye, 12g / l soda ash, 10g / l baking soda, 8g / l resist salt and 3g / l degassing agent. The steaming temperature is 102℃ and the speed is 45 m / min; 7.6 Functional finishing: the slurry temperature is 160℃, the vehicle speed is 45m / min, and the slurry is composed of 35g / l softener b, 10g / l softener d, 80g / l formaldehyde-free resin, 12g / l anti-pilling agent, 2g / l emulsifying dispersant, 1.5g / l environmentally friendly acid and 0.1g / l defoaming agent.

[0049] After sizing, calendering and shrinkage treatments, the Tencel home textile fabrics with fiber suppression, anti-pilling, soft, glossy and smooth feel are obtained.

[0050] Example 4 A Tencel high-count and high-density fabric, the specific implementation steps are as follows: 1. Raw material selection: The warp yarn is made of siro-compact yarn with a nominal linear density of 4.92 tex and a single yarn breaking strength of 120 cN. The weft yarn is made of siro-compact yarn with a nominal linear density of 8.43 tex and a single yarn breaking strength of 180 cN.

[0051] 2. Warping: The warp yarns in step 1 were warped using a Benninger warping machine. During the warping process, the single-axis head of the warping machine was 900 yarns, the machine speed was 600 m / min, the yarn tension was controlled by a yarn clamp and a tension disk, the yarn pretensioner opening delay time was 2 seconds, the yarn pretensioner operating position was 0, the brake opening delay time was 3 seconds, the warping pressure was 260 cN, and there were 12 warp beams.

[0052] 3. Sizing: A single-sizing tank sizing machine is used to size the warp yarn in step 2. The sizing liquid used in the sizing process has a sizing rate of 10%, a sizing viscosity of 5 seconds, a sizing temperature of 100°C, a drying drum temperature of 110°C, and modified starch slurry and propylene. The sizing method is single immersion and four rolling, the pressure of the yarn pressing roller is 2800N, the roller width is 2400mm, and there are 4 sizing shafts.

[0053] 4. Shaft alignment: Use a slurry alignment machine to perform a second alignment on the four slurry shafts in step 3.

[0054] 5. Drawing-in: The warp yarn processed in step 4 is drawn in. The healds are imported high-density healds, and 10 pages of heald frames are configured. The 2 pages of edge weaves use borrowed edge frames.

[0055] 6. Weaving: The warp yarn treated in step 5 and the weft yarn in step 1 are used as raw materials for weaving to obtain a grey cloth with a density of 1625×545 yarns / 10 cm, the air flow velocity of the main nozzle of the loom is 100 m / s, the yarn drafting force is 0.55 MPa, the warp opening time is 295°, the opening angle is 28°, the warp tension is 5400 N, the weft insertion time is 80°, and the weft arrival time is 240°.

[0056] 7. Dyeing and finishing: 7.1 Singeing: Singeing adopts two forward and two reverse processes; the machine speed is 100m / min; the flame intensity is 13 for upper thorough burning and 12 for lower semi-thorough burning.

[0057] 7.2 Desizing: After the grey cloth is singed, the enzyme desizing working solution is used instead of water to extinguish the singed grey cloth, and the enzyme desizing working solution composed of 7g / l enzyme desizing agent, 3g / l penetrant, 4g / l dispersing complexing agent, 15g / l refined enzyme, 15g / l hydrogen peroxide, 15g / l stabilizer and 2.0g / l liquid alkali is immersed and rolled. The enzyme desizing working solution is heated to 55°C using the temperature of the cloth body to reach the temperature required for cold pad-batch enzyme desizing treatment. The time of cold pad-batch enzyme desizing treatment is 24h.

[0058] 7.3 Enzyme polishing: The enzyme polishing treatment liquid is composed of 6g / l polishing enzyme, 2g / l glacial acetic acid, 6g / l refining penetrating detergent and 8g / l soda ash. After the preformed product after desizing is dipped in 55℃ enzyme polishing treatment liquid for 4 times, the fabric has the effect of anti-fibrillation, polishing and pre-anti-pilling treatment.

[0059] 7.4 Scouring and bleaching: The process conditions for scouring and bleaching are: 100℃ x 4 times; 7.5 Pad dyeing: The pre-stretched products are subjected to pad dyeing, steaming, washing and drying in sequence. The pad dyeing liquid is: 6g / l reactive dye, 10g / l soda ash, 8g / l baking soda, 7g / l resist salt and 4g / l degassing agent. The steaming temperature is 104℃ and the speed is 50 m / min; 7.6 Functional finishing: the slurry temperature is 165℃, the vehicle speed is 50m / min, and the slurry is composed of 30g / l softener b, 12g / l softener d, 90g / l formaldehyde-free resin, 13g / l anti-pilling agent, 1g / l emulsifying dispersant, 0.8g / l environmentally friendly acid and 0.2g / l defoaming agent.

[0060] After sizing, calendering and shrinkage treatments, the Tencel home textile fabrics with fiber suppression, anti-pilling, soft, glossy and smooth feel are obtained.

[0061] Comparative Example 1 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0062] Warping: The single-axis head of the warping machine is 750, the speed is 550m / min, the yarn tension is controlled by the yarn clamp and the tension disk, the yarn pretensioner opening delay time is 1 second, the yarn pretensioner operating position is 0, the brake opening delay time is 2 seconds, the warping pressure is 280cN, and 28 warp beams are combined for the first time.

[0063] Comparative Example 2 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0064] Warping: The single-axis head of the warping machine is 772 yarns, the speed is 500m / min, the yarn tension is controlled by the yarn clamp and the tension disk, the yarn pretensioner opening delay time is 2 seconds, the yarn pretensioner operating position is 0, the brake opening delay time is 3 seconds, the warping pressure is 270cN, and 28 warp beams are combined for the first time.

[0065] Comparative Example 3 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0066] Sizing: The warp yarn is sized using a single sizing trough, and the sizing method is single dipping and four rolling.

[0067] Comparative Example 4 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0068] Sizing: A double-sizing trough sizing machine is used to size the warp yarn in step 2. The sizing liquid used in the sizing process has a sizing rate of 14%, a sizing viscosity of 6 seconds, a sizing temperature of 98°C, a drying drum temperature of 115°C, and a modified starch slurry. The sizing method is double dipping and four rolling, the pressure of the yarn pressing roller is 2700N, and the roller width is 2400mm.

[0069] Comparative Example 5 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0070] Shaft alignment: The slurry shafts in step 3 are aligned using the whole slurry alignment method.

[0071] Comparative Example 6 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0072] Weaving: Weaving is performed using the warp yarn processed in step S5 and the weft yarn in step S1 as raw materials, and the density of the grey cloth is 412*150 strands / inch.

[0073] Comparative Example 7 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0074] Weaving: The air flow velocity of the main nozzle of the loom is 75m / s, the yarn drafting force is 0.45Mpa, the warp opening time is 300°, the opening angle is 30°, the warp tension is 5000N, the weft insertion time is 75°, and the weft arrival time is 246°.

[0075] Comparative Example 8 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0076] The air flow velocity of the loom main nozzle is 100m / s, the yarn drafting force is 0.55Mpa, the warp opening time is 295°, the opening angle is 28°, the warp tension is 5400N, the weft insertion time is 80°, and the weft arrival time is 240°.

[0077] Comparative Example 9 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0078] The enzyme polishing treatment liquid is composed of 7g / l polishing enzyme, 2g / l glacial acetic acid, 7g / l refining penetrating detergent and 9g / l soda ash. The preform after desizing is dipped and rolled in the enzyme polishing treatment liquid at 55°C for 4 times.

[0079] Comparative Example 10 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0080] The pad dyeing solution is: 6g / l reactive dye, 10g / l soda ash, 8g / l baking soda, 7g / l resist salt and 4g / l degassing agent. The steaming temperature is 104℃ and the machine speed is 50 m / min.

[0081] Comparative Example 11 The Tencel high count and high density fabric was produced in the same manner as in Example 1 except for the following conditions.

[0082] Functional finishing: the slurry temperature is 165°C, the vehicle speed is 50 m / min, and the slurry is composed of 30 g / l softener b, 12 g / l softener d, 90 g / l formaldehyde-free resin, 13 g / l anti-pilling agent, 1 g / l emulsifying dispersant, 0.8 g / l environmentally friendly acid and 0.2 g / l defoaming agent.

[0083] During the production process of Examples 1-4 and Comparative Examples 1-8, the weaving efficiency, the number of warp stops, the number of weft stops, 100,000 weft stops, and 100,000 weft stops of the loom were measured respectively. The data are as follows: Figure 3 As shown, the number of warp yarn breaks is reduced, the weaving efficiency is improved, and the fabric quality is significantly improved. The present invention solves the problem of low production efficiency caused by warp yarn breakage and weft stoppage in the weaving process of high-count and high-density Tencel varieties by controlling warping, sizing, drawing-in, weaving methods and process parameters.

[0084] During the production process of Examples 1-4 and Comparative Examples 9-11, the weft breaking strength and pilling resistance of the fabric were measured respectively. The data are as follows: Figure 4 As shown, by controlling the fabric post-processing process, the fabric's breaking strength is maintained and the fabric's resistance to pilling is improved, making the fabric delicate and super soft.

[0085] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A Tencel high count and high density fabric, characterized in that: include: The eight-warp satin fabric is woven from warp and weft threads, with a warp density of 1620-1650 threads / 10cm. The warp threads are made of siro-compact yarn with a nominal linear density of 4.92±0.1tex and a single yarn breaking strength of 120±10cN; the weft density is 540 threads / 10cm, and the weft threads are made of siro-compact yarn with a nominal linear density of 8.43±0.2tex and a single yarn breaking strength of 180±10cN. The fabric is made through warping, sizing, beaming, drawing-in, weaving and dyeing and finishing steps.

2. The Tencel high count and high density fabric according to claim 1, characterized in that: In the warping step, the warp yarns are subjected to a warping process; In the sizing step, the warp yarn after the warping step is subjected to sizing treatment; In the beaming step, the warp yarns after the sizing step are subjected to a secondary beaming process; In the drawing-in step, the warp yarns after the paralleling process are drawn-in, and 10 pages of heald frames are configured, and the side weave uses an independent 2-page heald frame; In the weaving step, the weft yarn and the warp yarn processed in the drawing-in step are used as raw materials for weaving, and an air jet loom is used for weaving to obtain a grey cloth; In the dyeing and finishing step, the grey cloth is subjected to singeing, desizing, enzyme polishing, boiling and bleaching, pad dyeing and functional post-finishing to obtain the Tencel high-count and high-density fabric.

3. The Tencel high count and high density fabric according to claim 1, characterized in that: In the warping step, the single-axis head of the warping machine is 700~1024 yarns, the machine speed is 500~600m / min, the yarn tension is controlled by the yarn clamp and the tension disk, the yarn pretensioner opening delay time adjustment range is 0~20 seconds, the yarn pretensioner operating position adjustment range is 0~50mm, the brake opening delay time adjustment range is 0~20 seconds, and the warping pressure is 200~300cN.

4. The Tencel high count and high density fabric according to claim 1, characterized in that: In the sizing step, the sizing machine used is a double-sizing trough sizing machine, the sizing rate of the sizing material is 8%~15%; the sizing viscosity is 5~8 seconds; the sizing temperature is 95℃~100℃, the sizing method is double immersion and four rolling, the pressing roller pressure is 2500~2800N; the roller width is 1500~2400mm.

5. The Tencel high count and high density fabric according to claim 4, characterized in that: The sizing material is a combination of one or more of propylene, cationic modified starch, acid ester modified starch, phosphate modified starch and wax flakes.

6. The Tencel high count and high density fabric according to claim 1, characterized in that: In the beaming step, 2 to 4 sizing beams are beamed together.

7. The Tencel high count and high density fabric according to claim 1, characterized in that: During the weaving step, the air flow velocity of the main nozzle of the loom is 60m / s~100m / s, the yarn drafting force is 0.3Mpa~0.8Mpa, the warp opening time is 280°~300°, the opening angle is 28°~35°, the warp tension is 5000~5500N, the weft insertion time is 70°~90°, and the weft arrival time is 210°~260°.

8. The Tencel high count and high density fabric according to claim 1, characterized in that: In the dyeing and finishing step, the singeing method is two positive and two negative processes; the machine speed is 80m / min-100m / min; the flame intensity is 12-13 for upper through-burning and 11-12 for lower half-through-burning; The desizing is carried out by enzyme desizing, and the components of the enzyme desizing working solution are: 3g / l-10g / l enzyme desizing agent, 1g / l-5g / l penetrant, 1g / l-5g / l dispersing complexing agent, 10g / l-20g / l refining enzyme, 10g / l-20g / l hydrogen peroxide, 10g / l-20g / l stabilizer and 1.0g / l-3.0g / l liquid alkali; The process conditions of the enzyme polishing treatment are: (50±5)°C x 4 passes; the components of the enzyme auxiliary agent are: 3g / l-10g / l polishing enzyme, 1g / l-3g / l glacial acetic acid, 6g / l-10g / l refining penetrating detergent and 8g / l-15g / l soda ash; The process conditions of the scalding and bleaching treatment are: (98±2)℃x4 times; The pad dyeing adopts a wet short steaming method, and the pad dyeing treatment includes: rolling, steaming, washing and drying the pre-stretched product in sequence; the process conditions of the wet short steam pad dyeing treatment are: steaming temperature x vehicle speed is (102±2)℃ x (45±5)m / min; the auxiliary agent components used in the wet short steam pad dyeing treatment are: 0.1g / l-8g / l active dye, 8g / l-15g / l soda ash, 8g / l-15g / l baking soda, 3g / l-10g / l resist salt and 1g / l-5g / l degassing agent; The process conditions of the functional finishing are as follows: temperature x humidity is (160±5)°C x (45±5)m / min; the components of the slurry are: 30g / l-45g / l softener b, 5g / l-15g / l softener d, 60g / l-100g / l formaldehyde-free resin, 8g / l-15g / l anti-pilling agent, 1g / l-3g / l emulsifying dispersant, 0.5g / l-2g / l environmentally friendly acid and 0.05g / l-0.3g / l defoaming agent.

9. A method for producing a Tencel high-count and high-density fabric according to any one of claims 1 to 8, characterized in that: The following steps are involved: S1. Raw material selection: The warp yarn uses Siro compact spun yarn with a nominal linear density of 4.92±0.1tex and a single yarn breaking strength of 120±10cN; the weft yarn uses Siro compact spun yarn with a nominal linear density of 8.43±0.2tex and a single yarn breaking strength of 180±10cN; S2, warping: warping the warp yarns in step S1. During the warping process, the warping machine has a single-axis head of 700-1024 yarns, a machine speed of 500-600 m / min, a yarn clamp and a tension disk are used to control the yarn tension, the yarn pretensioner opening delay time adjustment range is 0-20 seconds, the yarn pretensioner running position adjustment range is 0-50 mm, the brake opening delay time adjustment range is 0-20 seconds, and the warping pressure is 200-300 cN; S3, sizing: using a double-sizing trough sizing machine to sizing the warp yarn in step S2, the sizing liquid used in the sizing process has a sizing rate of 8% to 15%, a sizing viscosity of 5 to 8 seconds, a sizing temperature of 95° C. to 100° C., and the sizing liquid is selected from modified starch slurry; The slurry dipping method is double dipping and four rolling, the pressure of the yarn pressing roller is 2500~2800N; the roller width is 1500~2400mm; S4, combining the weaving beams: using a sizing machine to combine the sizing beams in step S3 for a second time to form a weaving beam; S5, drawing in: drawing in the warp yarns processed in step S4, configuring 10 heald frames, and using independent 2-page heald frames for the side weave; S6, weaving on a machine: the warp yarn treated in step S5 and the weft yarn in step S1 are used as raw materials for weaving to obtain a grey cloth, wherein the air flow velocity of the main nozzle is 60m / s~100m / s, the yarn drafting force is 0.3Mpa~0.8Mpa; the warp opening time is 280°~300°, the opening angle is 28°~35°, the warp tension is 5000~5500N, the weft insertion time is 70°~90°, and the weft arrival time is 210°~260°; S7, dyeing and finishing: dyeing and finishing the grey cloth obtained in step S6 to obtain the Tencel high-count and high-density fabric.

10. The method for producing a Tencel high-count and high-density fabric according to claim 9, characterized in that: In step S7, the dyeing and finishing includes: S71, singeing: the process conditions of singeing treatment are: the singeing method is two positive and two negative processes; the speed is 80m / min-100m / min; the flame intensity is 12-13 for upper through burning and 11-12 for lower half through burning; S72, desizing: after the grey cloth is subjected to singeing treatment, the singed grey cloth is extinguished by using enzyme desizing working solution instead of water, and the enzyme desizing working solution is padded, and the temperature of the enzyme desizing working solution is raised to 50°C-60°C by using the temperature of the cloth body, so as to reach the temperature required for cold pad-batch enzyme desizing treatment; the components of the enzyme desizing working solution are: 3g / l-10g / l enzyme desizing agent, 1g / l-5g / l penetrant, 1g / l-5g / l dispersing complexing agent, 10g / l-20g / l refining enzyme, 10g / l-20g / l hydrogen peroxide, 10g / l-20g / l stabilizer and 1.0g / l-3.0g / l liquid alkali; the time of cold pad-batch enzyme desizing treatment is 20h-24h; S73, enzyme polishing: the process conditions of enzyme polishing treatment are: (50±5)℃x4 times; the components of enzyme auxiliary agent are: 3g / l-10g / l polishing enzyme, 1g / l-3g / l glacial acetic acid, 6g / l-10g / l refining penetrating detergent and 8g / l-15g / l soda ash. After enzyme polishing treatment, the fabric has the effects of fiber anti-fibrillation, polishing and pre-anti-pilling treatment; S74, scouring and bleaching: The process conditions for scouring and bleaching are: (98±2)℃x4 times; S75, Pad dyeing: Wet short steam pad dyeing treatment includes: rolling, steaming, washing and drying the pre-stretched product in sequence; the process conditions of wet short steam pad dyeing treatment are: steaming temperature x vehicle speed is (102±2)℃ x (45±5)m / min; the auxiliary components used in wet short steam pad dyeing treatment are: 0.1g / l-8g / l reactive dye, 8g / l-15g / l soda ash, 8g / l-15g / l baking soda, 3g / l-10g / l resist salt and 1g / l-5g / l degassing agent; S76, functional post-finishing: using the post-finishing slurry to undergo cross-linking reaction, the product slurry is stretched, and then calendering and shrinking treatment are performed in sequence to obtain a Tencel home textile fabric that is fiber-suppressed, anti-pilling, soft, shiny, and smooth; The process conditions for functional finishing are: temperature x humidity is (160±5)℃x (45±5)m / min; the components of the slurry are: 30g / l-45g / l softener b, 5g / l-15g / l softener d, 60g / l-100g / l formaldehyde-free resin, 8g / l-15g / l anti-pilling agent, 1g / l-3g / l emulsifying dispersant, 0.5g / l-2g / l environmentally friendly acid and 0.05g / l-0.3g / l defoaming agent.

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