CN112853740A - Low-temperature activated nano synergistic compound bleached linen yarn - Google Patents
Low-temperature activated nano synergistic compound bleached linen yarn Download PDFInfo
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- CN112853740A CN112853740A CN202011463405.0A CN202011463405A CN112853740A CN 112853740 A CN112853740 A CN 112853740A CN 202011463405 A CN202011463405 A CN 202011463405A CN 112853740 A CN112853740 A CN 112853740A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/55—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with sulfur trioxide; with sulfuric acid or thiosulfuric acid or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
Abstract
The invention relates to the technical field of spinning, in particular to low-temperature activated nano synergistic compound bleached linen yarn, which protects linen single fibers from being damaged to the maximum extent, better batched and enables the fiber length to be uniform; the method comprises the following steps: step one, acid washing: putting the roving into a yarn boiling pot, adding 96% sulfuric acid and acetic acid into the water adjusted in the auxiliary cylinder, and injecting the auxiliary cylinder into the yarn boiling pot for circulation for 20 minutes without discharging liquid; step two, bleaching with sodium chlorite: preparing water in a material cylinder, adding 80% sodium chlorite and sodium nitrate, stirring and dissolving for 10 minutes, after pickling for 20 minutes, injecting the sodium chlorite liquid prepared in the material cylinder into a yarn boiling pot, heating to 52 ℃, preserving heat for 30 minutes, heating to 55 ℃, preserving heat for 15 minutes, and then discharging liquid; step three, a first water wash, rinsing the roving twice with water, and each rinsing process lasts 10 minutes.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to low-temperature activated nano synergistic compound bleached linen yarn.
Background
The flax fiber is the natural fiber used by human beings at the earliest, is the only fascicular plant fiber in the natural fiber, has a natural spindle-shaped structure and unique pectin oblique side holes, and has the characteristics of excellent moisture absorption, air permeability, corrosion resistance, bacteriostasis, low static electricity and the like, so that the flax fabric becomes a fabric capable of breathing naturally. The production process of the traditional flax yarn comprises the steps of beating into flax, combing into the flax, forming into strips, drawing, roving, boiling and bleaching, spinning, drying, spooling and packaging. The traditional linen yarn has the following defects of poor elasticity, uneven yarn levelness, more hemp grains and hairiness, and poor wearing quality. The wet spinning in the scouring and bleaching method can enable the flax fibers to obtain more excellent quality, so that the uniformity, the splitting degree and the glue linking degree of the flax fibers can reach a best balanced and proper state in the spinning and drafting process in a wet state, and higher requirements are provided for scouring and bleaching of the flax.
Disclosure of Invention
In order to solve the technical problems, the invention provides the low-temperature activated nano synergistic compound bleached linen yarn which can protect linen single fibers from being damaged to the maximum extent, can be used for batching better and can ensure that the fiber length is uniform.
The invention relates to low-temperature activated nano synergistic compound bleached linen yarn, which comprises the following steps:
step one, acid washing: putting the roving into a yarn boiling pot, adding 96% sulfuric acid and acetic acid into the water adjusted in the auxiliary cylinder, and injecting the auxiliary cylinder into the yarn boiling pot for circulation for 20 minutes without discharging liquid;
step two, bleaching with sodium chlorite: preparing water in a material cylinder, adding 80% sodium chlorite and sodium nitrate, stirring and dissolving for 10 minutes, after pickling for 20 minutes, injecting the sodium chlorite liquid prepared in the material cylinder into a yarn boiling pot, heating to 52 ℃, preserving heat for 30 minutes, heating to 55 ℃, preserving heat for 15 minutes, and then discharging liquid;
step three, washing for the first time, rinsing the roving twice by using water, wherein each rinsing process lasts for 10 minutes;
step four, hydrogen peroxide bleaching: injecting water, soda with the concentration of 96%, caustic soda with the concentration of 92%, low-temperature activating agent, nano synergist, refining agent, water glass, penetrating agent and hydrogen peroxide with the concentration of 27.5% into an auxiliary cylinder, injecting the auxiliary cylinder into a yarn boiling pot, heating to 72 ℃, preserving heat for 40 minutes, then heating to 75 ℃, preserving heat for 30 minutes, and then discharging the liquid;
step five, washing for the second time: and (4) draining liquid after the rough yarn is washed by water to obtain the spun yarn.
The invention relates to low-temperature activated nano synergistic compound bleached linen yarn, which comprises the following steps of putting roving yarn into a yarn boiling pot, adjusting 30-degree water in an auxiliary cylinder, adding 2.5 g/L96% sulfuric acid and 0.8 g/L35% acetic acid, and enabling a bath ratio to be 1: 8, injecting the auxiliary cylinder into a yarn boiling pot, circulating for 20 minutes, and not draining liquid.
The invention relates to low-temperature activated nano synergistic compound bleached linen yarn, which comprises the following steps of preparing 30 ℃ water in a material cylinder, adding 2-3g/L of sodium chlorite and 2g/L of sodium nitrate with the concentration of 80%, stirring and dissolving for 10 minutes, injecting sodium chlorite liquid prepared in the material cylinder into a yarn boiling pot after pickling for 20 minutes, heating to 52 ℃ and preserving heat for 30 minutes, heating to 55 ℃ and preserving heat for 15 minutes, and then discharging liquid.
According to the low-temperature activated nano synergistic compound bleached linen yarn, in the second step, the temperature rise rate is 1.0 degree/minute in the process of temperature rise of 52 degrees, and the temperature rise rate is 1.0 degree/minute in the process of temperature rise of 55 degrees.
According to the low-temperature activated nano synergistic compound bleached linen yarn, in the third step, the water temperature of two times of rinsing in the first time of washing is 30 ℃.
The invention relates to low-temperature activated nano synergistic compound bleached linen yarn, which comprises the following steps of adjusting 45-degree water, 3-4g/L of 96% soda ash, 1-1.5g/L of 92% caustic soda, 2.5-3.0g/L of low-temperature activating agent, 0.8-1g/L of nano synergistic agent, 1g/L of refining agent, 6.0-6.8g/L of water glass, 1g/L of penetrating agent, 8-9g/L of 27.5% hydrogen peroxide, bath ratio of 1: 8; the auxiliary vat is filled into a yarn boiling pot, the temperature is raised to 72 ℃ and kept for 40 minutes, and the temperature is raised to 75 ℃ and kept for 30 minutes, and then the liquid is drained.
According to the fourth step, the heating rate is 1.0 degree/minute in the process of heating up to 72 degrees, and the heating rate is 1.0 degree/minute in the process of heating up to 75 degrees.
The low-temperature activated nano synergistic compound bleached linen yarn is obtained by the fifth step of washing with hot water at 60 ℃ for 10 minutes, washing with hot water at 50 ℃ for 10 minutes, washing with hot water at 35 ℃ for 10 minutes, draining twice, overflowing, washing at normal temperature for 10 minutes, and draining to obtain spun yarn.
The invention has the beneficial effects that:
(1) the flax single fibers are protected from being damaged to the maximum extent;
(2) better batching is realized, and the subsequent spinning of the flax fiber is facilitated;
(3) the length of the flax fiber is uniform;
(4) the linen yarn has elasticity, small hairiness, smoothness and good glossiness.
Detailed Description
The following examples are given to further illustrate the embodiments of the present invention. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
The production process of the traditional flax yarn comprises the steps of beating flax, combing flax, drawing, roving, boiling and bleaching, spinning, drying, spooling and packaging. The traditional boiled and bleached linen yarn has the following defects of poor elasticity, uneven yarn levelness, more hemp grains and hairiness, and poor wearing quality. Therefore, the invention provides the low-temperature activated nano synergistic compound bleached linen yarn which can protect linen single fibers from being damaged to the maximum extent, can be used for batching better and can ensure that the fiber length is uniform.
In the scouring bleaching stage:
1. acid washing: putting the roving into a yarn boiling pot, adjusting 30-degree water in an auxiliary cylinder, adding 2.5 g/L96% sulfuric acid and 0.8 g/L35% acetic acid, and mixing the raw materials in a bath ratio of 1: 8, injecting the auxiliary cylinder into a yarn boiling pot, circulating for 20 minutes, and not discharging liquid; wherein the 30-degree water in the auxiliary tank is convenient for solvent dissolution and is convenient for controlling the pH value of the solution, the ratio of the water to the water is 1: the pH value of the 8' solution is convenient for pickling the roving, and the roving is not damaged to the maximum extent.
2. Bleaching with sodium chlorite: preparing 30-DEG water in a material cylinder, adding 2-3g/L of sodium chlorite with the concentration of 80% and 2g/L of sodium nitrate, stirring and dissolving for 10 minutes, after pickling for 20 minutes, injecting the sodium chlorite liquid prepared in the material cylinder into a yarn boiling pot, heating to 52 DEG (the heating rate is 1.0 DEG/minute), preserving heat for 30 minutes, heating to 55 DEG (the heating rate is 1.0 DEG/minute), preserving heat for 15 minutes, discharging liquid, and finishing the bleaching of the sodium chlorite; wherein the heating rate is controlled at 1.0 degree/min, and two-stage temperature steps of 52 degrees and 55 degrees are simultaneously set, so that the damage of the fiber caused by the rapid temperature change is reduced.
3. The water washing is carried out twice at 30 ℃ for 10 minutes respectively.
4. Bleaching with hydrogen peroxide: adjusting 45-degree water in an auxiliary cylinder, wherein the concentration of the soda ash is 96 percent and is 3-4g/L, the concentration of the caustic soda is 92 percent and is 1-1.5g/L, and a low-temperature activating agent: 2.5-3.0 g/L; nano synergist: 0.8-1 g/L; refining agent: 1 g/L; water glass: 6.0-6.8 g/L; penetrant: 1 g/L; 8-9g/L of 27.5% hydrogen peroxide; bath ratio of 1: 8, injecting the auxiliary cylinder into a yarn boiling pot, heating to 72 ℃ (the heating rate is 1.0 ℃/min), preserving heat for 40 minutes, and preserving heat for 30 minutes when the temperature is raised to 75 ℃ (the heating rate is 1.0 ℃/min), draining liquid and finishing oxygen bleaching; the linen yarns have elasticity, small hairiness, smoothness and good glossiness by bleaching with hydrogen peroxide at low temperature.
5. Washing with water: washing with hot water at 60 ℃ for 10 minutes and discharging liquid; washing with hot water at 50 ℃ for 10 minutes, and washing with hot water at 35 ℃ for 10 minutes, and draining twice; washing for 10 minutes at normal temperature in an overflow way, discharging liquid and finishing yarn boiling; the temperature is reduced to normal temperature by setting multi-gradient, so that the damage of the flax fiber caused by the rapid change of the temperature is reduced, and the flax single fiber is protected from being damaged to the maximum extent; better batching is realized, and the subsequent spinning of the flax fiber is facilitated; the flax fiber has uniform length.
It should be noted that: the comparative experiment of the water temperature of the auxiliary cylinder pickled in the step one according to the water temperature of the auxiliary cylinder pickled in the step one is as follows:
in the comparative experiment 1, the roving is added to keep the temperature of the solution at 25 ℃, and other conditions are consistent with the method disclosed by the invention;
in the comparative experiment 2, the roving is added to keep the temperature of the solution at 27.5 ℃, and other conditions are consistent with the method disclosed by the invention;
in the comparative experiment 3, the roving is added to keep the temperature of the solution at 32.5 ℃, and other conditions are consistent with the method disclosed by the invention;
comparative experiment 4 the roving was added to maintain the solution temperature at 35 c, other conditions being consistent with the method of the invention.
The wear was determined by measuring the residual thickness (raw thickness-residual thickness)/raw thickness after 12 hours of continuous operation using a 50kg friction disc.
Therefore, when the water temperature of the auxiliary tank is 30 ℃, the softness of the flax fiber of the final product is higher.
And further:
and according to the strength of the experiment measured in the dry state and the wet state, the strength of the fabric is reduced less in the different states of the dry state and the wet state, and the fabric property is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The low-temperature activated nano synergistic compound bleached linen yarn is characterized by comprising the following steps:
step one, acid washing: putting the roving into a yarn boiling pot, adding 96% sulfuric acid and acetic acid into the water adjusted in the auxiliary cylinder, and injecting the auxiliary cylinder into the yarn boiling pot for circulation for 20 minutes without discharging liquid;
step two, bleaching with sodium chlorite: preparing water in a material cylinder, adding 80% sodium chlorite and sodium nitrate, stirring and dissolving for 10 minutes, after pickling for 20 minutes, injecting the sodium chlorite liquid prepared in the material cylinder into a yarn boiling pot, heating to 52 ℃, preserving heat for 30 minutes, heating to 55 ℃, preserving heat for 15 minutes, and then discharging liquid;
step three, washing for the first time, rinsing the roving twice by using water, wherein each rinsing process lasts for 10 minutes;
step four, hydrogen peroxide bleaching: injecting water, soda with the concentration of 96%, caustic soda with the concentration of 92%, low-temperature activating agent, nano synergist, refining agent, water glass, penetrating agent and hydrogen peroxide with the concentration of 27.5% into an auxiliary cylinder, injecting the auxiliary cylinder into a yarn boiling pot, heating to 72 ℃, preserving heat for 40 minutes, then heating to 75 ℃, preserving heat for 30 minutes, and then discharging the liquid;
step five, washing for the second time: and (4) draining liquid after the rough yarn is washed by water to obtain the spun yarn.
2. The low-temperature activated nano synergistic compound bleached linen yarn as claimed in claim 1, wherein in the first step, the roving yarn is put into a yarn boiling pot, 30 ℃ water is adjusted in a secondary tank, 2.5g/L of 96% sulfuric acid and 0.8g/L of 35% acetic acid are added, the bath ratio is 1: 8, injecting the auxiliary cylinder into a yarn boiling pot, circulating for 20 minutes, and not draining liquid.
3. The low-temperature activated nano synergistic compound bleached linen yarn as claimed in claim 1, wherein in the second step, the material vat is prepared with 30 ℃ water, 2-3g/L sodium chlorite with a concentration of 80% and 2g/L sodium nitrate are added, stirring and dissolving are carried out for 10 minutes, after pickling is carried out for 20 minutes, the sodium chlorite liquid prepared in the material vat is injected into a yarn boiling pot, the temperature is increased to 52 ℃ and kept for 30 minutes, then the temperature is increased to 55 ℃ and kept for 15 minutes, and then liquid drainage is carried out.
4. The low-temperature activated nano synergistic compound bleached linen yarn as claimed in claim 3, wherein in the second step, the temperature rise rate is 1.0 degree/min during the temperature rise of 52 degrees, and the temperature rise rate is 1.0 degree/min during the temperature rise of 55 degrees.
5. The low-temperature activated nano synergistic compound bleached linen yarn as claimed in claim 1, wherein in step three, the water temperature of the two rinses in the first water washing is 30 ℃.
6. The low-temperature activated nano synergistic compound bleached linen yarn as claimed in claim 1, wherein in step four, water with a temperature of 45 ℃ is prepared in a secondary cylinder, the concentration of 96% soda ash is 3-4g/L, the concentration of 92% caustic soda is 1-1.5g/L, the low-temperature activating agent is 2.5-3.0g/L, the nano synergistic agent is 0.8-1g/L, the refining agent is 1g/L, the water glass is 6.0-6.8g/L, the penetrating agent is 1g/L, the concentration of 27.5% hydrogen peroxide is 8-9g/L, the bath ratio is 1: 8; the auxiliary vat is filled into a yarn boiling pot, the temperature is raised to 72 ℃ and kept for 40 minutes, and the temperature is raised to 75 ℃ and kept for 30 minutes, and then the liquid is drained.
7. The low-temperature activated nano synergistic compound bleached linen yarn as claimed in claim 6, wherein in said step four, the temperature rise rate is 1.0 degree/min during the temperature rise of 72 degrees, and the temperature rise rate is 1.0 degree/min during the temperature rise of 75 degrees.
8. The low-temperature activated nano synergistic compound bleached linen yarn as claimed in claim 1, wherein in the fifth step, washing with 60 ℃ hot water for 10 minutes for liquid discharge, washing with 50 ℃ hot water for 10 minutes for liquid discharge, washing with 35 ℃ hot water for 10 minutes, twice for liquid discharge, overflowing for 10 minutes for normal temperature washing, and then discharging to obtain spun yarn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463405.0A CN112853740A (en) | 2020-12-14 | 2020-12-14 | Low-temperature activated nano synergistic compound bleached linen yarn |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463405.0A CN112853740A (en) | 2020-12-14 | 2020-12-14 | Low-temperature activated nano synergistic compound bleached linen yarn |
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| CN112853740A true CN112853740A (en) | 2021-05-28 |
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| CN202011463405.0A Pending CN112853740A (en) | 2020-12-14 | 2020-12-14 | Low-temperature activated nano synergistic compound bleached linen yarn |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498697A (en) * | 2016-12-12 | 2017-03-15 | 上海雅运纺织助剂有限公司 | Neutral bleaching assistant composition and its preparation and method for bleaching |
| CN106521924A (en) * | 2016-11-10 | 2017-03-22 | 宁夏中银绒业股份有限公司 | Processing technique of roving for linen knitting by scouring and bleaching with sodium chlorite and hydrogen peroxide |
| CN109868644A (en) * | 2018-12-25 | 2019-06-11 | 宁夏宝塔石化煤化工研究院有限公司 | A kind of boiling and bleaching process combined for flax roving pretreatment and sub- oxygen bleaching |
| CN110257979A (en) * | 2019-07-26 | 2019-09-20 | 愉悦家纺有限公司 | A kind of novel linen wet spinning technique based on long fiber crops |
| CN111335018A (en) * | 2020-03-23 | 2020-06-26 | 南宁市菲莱洁洗涤服务有限公司 | Low-damage bleaching method for cotton fabric |
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2020
- 2020-12-14 CN CN202011463405.0A patent/CN112853740A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106521924A (en) * | 2016-11-10 | 2017-03-22 | 宁夏中银绒业股份有限公司 | Processing technique of roving for linen knitting by scouring and bleaching with sodium chlorite and hydrogen peroxide |
| CN106498697A (en) * | 2016-12-12 | 2017-03-15 | 上海雅运纺织助剂有限公司 | Neutral bleaching assistant composition and its preparation and method for bleaching |
| CN109868644A (en) * | 2018-12-25 | 2019-06-11 | 宁夏宝塔石化煤化工研究院有限公司 | A kind of boiling and bleaching process combined for flax roving pretreatment and sub- oxygen bleaching |
| CN110257979A (en) * | 2019-07-26 | 2019-09-20 | 愉悦家纺有限公司 | A kind of novel linen wet spinning technique based on long fiber crops |
| CN111335018A (en) * | 2020-03-23 | 2020-06-26 | 南宁市菲莱洁洗涤服务有限公司 | Low-damage bleaching method for cotton fabric |
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| 王靖: "亚麻短纤的脱胶、漂白及柔软工艺研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
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Application publication date: 20210528 |