CN111996790A - Liquid ammonia yew knitted fabric and preparation method thereof - Google Patents
Liquid ammonia yew knitted fabric and preparation method thereof Download PDFInfo
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- CN111996790A CN111996790A CN202010870534.5A CN202010870534A CN111996790A CN 111996790 A CN111996790 A CN 111996790A CN 202010870534 A CN202010870534 A CN 202010870534A CN 111996790 A CN111996790 A CN 111996790A
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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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/18—Other fabrics or articles characterised primarily by the use of particular thread materials elastic threads
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- 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
- 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
- D06M11/58—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 nitrogen or compounds thereof, e.g. with nitrides
- D06M11/59—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 nitrogen or compounds thereof, e.g. with nitrides with ammonia; with complexes of organic amines with inorganic substances
- D06M11/61—Liquid ammonia
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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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- 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
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/38—Polyurethanes
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
-
- 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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/35—Abrasion, pilling or fibrillation resistance
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Abstract
The invention provides a liquid ammonia yew knitted fabric which is formed by blending yew fibers, cotton fibers and spandex, and comprises 5-15% of yew fibers, 70-90% of cotton and 5-15% of spandex in percentage by mass. According to the liquid ammonia taxus chinensis knitted fabric, the comfort, the strength, the abrasion resistance and the hydrophilic performance of the fabric are improved by adding the cotton fibers; the elasticity, acid and alkali resistance, sweat resistance, seawater resistance, dry washing resistance and wear resistance of the fabric are improved by adding spandex; the antibacterial performance of the fabric is improved through antibacterial finishing; the texture, the handfeel, the fiber toughness and the wrinkle resistance of the fabric are improved by the liquid ammonia treatment.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to a liquid ammonia taxus chinensis knitted fabric and a preparation method thereof.
Background
With the development of science and technology and the continuous improvement of consumption consciousness of people, people are rich in clothes, and the requirements on fabrics are more diversified. The fabric is not only required to be warm-keeping and comfortable to wear, but also has elegant appearance, neat and tidy appearance and low possibility of wrinkling, and more importantly, the fabric is healthy and has the functions of resisting and inhibiting bacteria and the like. Wrinkles not only seriously affect the appearance of the garment, but also easily cause severe abrasion in the direction of the crease or wrinkle, accelerating the damage of the fabric. Under the trend that functional clothing is increasingly popular and the influence of the health care hot tide of the whole people, the antibacterial clothing with the health concept continuously becomes a hot spot of market stir-frying in recent years. However, like the current health product market, the antibacterial performance of many products is still limited in the aspect of concept frying, and the actual antibacterial efficacy is very little.
Disclosure of Invention
The invention aims to overcome and supplement the defects in the prior art and provide the liquid ammonia yew knitted fabric and the preparation method thereof. The technical scheme adopted by the invention is as follows:
a liquid ammonia yew knitted fabric, wherein: the fabric is formed by blending taxus chinensis fibers, cotton fibers and spandex, and comprises 5-15% of taxus chinensis fibers, 70-90% of cotton and 5-15% of spandex in percentage by mass.
The taxus chinensis fiber has good air permeability and moisture permeability, and the antibacterial and bacteriostatic properties after specific finishing are excellent; the cotton fiber has good comfort, can quickly absorb moisture, and has high drying speed, high fiber strength and strong moisture absorption performance; the spandex has excellent elasticity and better resistance to chemical degradation, and has better acid and alkali resistance, sweat resistance, seawater resistance, dry cleaning resistance and wear resistance; after the fabric is formed, the fabric is treated in liquid ammonia, so that the texture structure of the fabric can be effectively improved, and the hand feeling, fiber toughness and wrinkle resistance of the fabric are greatly improved;
the invention is suitable for making T-shirts and other clothes;
a preparation method of a liquid ammonia yew knitted fabric comprises the following steps: the method comprises the following steps:
(1) preparation of fabric
a. Preparing raw materials: mixing the taxus chinensis fiber, the cotton fiber and the spandex according to the content ratio to prepare uniform blended yarns;
b. weaving on a loom: selecting a multi-triangular machine with a cylinder diameter of 30-38 inches, path number of 3-4 paths/inch and needle path number of 1-4 to weave the yarn into a weft plain needle tissue blank through the processes of loop withdrawal, yarn padding, closing, looping, yarn bending, loop releasing, looping and drawing;
c. refining and bleaching: b, adding the blank obtained in the step b into refining liquid for refining, wherein the refining temperature is controlled to be 90-100 ℃, and the refining time is 45-50 min; adding the refined base cloth into bleaching liquid for bleaching, controlling the bleaching temperature to be 10-45 ℃ and the bleaching time to be 5-15 min;
d. liquid ammonia finishing: and c, performing liquid ammonia treatment on the base cloth treated in the step c, wherein the vehicle speed is 15-30 m/min, the time delay adjustment range is 5-20 s, the strength is 2-4N/cm 2, and the maximum circulation amount of ammonia is 600-1000 kg/h.
e. Dyeing: dyeing the blank treated in the step d at normal temperature, heating to 65-70 ℃, and keeping the temperature for 50-60 min at a bath ratio of 10: 1-20: 1;
f. and (3) dyeing post-treatment: and e, soaping the blank treated in the step e. Soaping with 209 detergent at 5g/L at 95 deg.C for 10 min; adding glacial acetic acid 10ml/L during neutralization, and keeping at normal temperature for 10 min;
g. open width drying and finishing: dewatering the base cloth treated in the step f until the water content is 25-35%, and finishing in an open-width drying and setting machine, wherein the temperature is controlled to be 150-165 ℃, and the vehicle speed is 15-20 m/min;
(2) antibacterial finishing
Finishing the fabric in an antibacterial agent for 1-5 min at a bath ratio of 5-40: 1 and a treatment temperature of 140-190 ℃;
preferably, the preparation method of the liquid ammonia taxus chinensis knitted fabric comprises the following steps: according to the mass percentage, the fabric comprises 5-15% of taxus chinensis fibers, 70-90% of cotton and 5-15% of spandex.
Preferably, the preparation method of the liquid ammonia taxus chinensis knitted fabric comprises the following steps: the refining liquid in the step c comprises 3-7 g/L knitting refining agent 729, 1-5 g/L sodium carbonate and the balance of water; the refining bath ratio is 10-20: 1.
Preferably, the preparation method of the liquid ammonia taxus chinensis knitted fabric comprises the following steps: the bleaching solution is hydrogen peroxide with the concentration of 1-40%, and the bleaching bath ratio is 5-20: 1.
Preferably, the preparation method of the liquid ammonia taxus chinensis knitted fabric comprises the following steps: the antibacterial agent in the step (2) comprises 1.5-5% of o.w.f modified titanium dioxide, 2-5% of o.w.f penetrating agent and 1-3% of o.w.f dispersing agent.
Preferably, the preparation method of the liquid ammonia taxus chinensis knitted fabric comprises the following steps: the preparation method of the modified titanium dioxide comprises the following steps: adding 2-15 g of titanium dioxide powder into 1L of distilled water, adding 1-4 g of dispersing agent sodium hexametaphosphate, and violently stirring for 5-20 minutes to obtain a mixed solution; adjusting the pH value of the mixed solution to 10-11 by adopting hydrochloric acid with the concentration of 0.01-0.5 mol/L, adding 3-10 g of sodium stearate, stirring for reaction for 3-10 hours, filtering, washing, drying, and grinding on a ball mill to obtain nano titanium dioxide powder; adding the nano titanium dioxide powder into water, adding 5-10 g of PEG, reacting for 1-6 hours under vigorous stirring, filtering, washing, drying and grinding to obtain the nano modified titanium dioxide.
The invention has the advantages that: according to the liquid ammonia taxus chinensis knitted fabric, the comfort, the strength, the abrasion resistance and the hydrophilic performance of the fabric are improved by adding the cotton fibers; the elasticity, acid and alkali resistance, sweat resistance, seawater resistance, dry washing resistance and wear resistance of the fabric are improved by adding spandex; the antibacterial performance of the fabric is improved through antibacterial finishing; the texture, the handfeel, the fiber toughness and the wrinkle resistance of the fabric are improved by the liquid ammonia treatment.
Detailed Description
The present invention will be further described with reference to the following specific examples.
Example 1:
a liquid ammonia yew knitted fabric comprises 10% yew fiber, 85% cotton and 5% spandex.
A preparation method of a liquid ammonia yew knitted fabric comprises the following steps:
(1) preparation of fabric
a. Preparing raw materials: the fabric comprises 10% of Chinese yew fiber, 85% of cotton and 5% of spandex;
b. weaving on a loom: selecting a multi-triangular machine with a cylinder diameter of 38 inches, a path number of 4 paths/inch and a needle path number of 4 to weave yarns into a weft plain needle tissue blank through the processes of loop withdrawal, yarn padding, closed loop looping, yarn bending, loop releasing, looping and drawing;
c. refining and bleaching: adding the blank obtained in the step b into refining liquid for refining, and controlling the refining temperature to be 90 ℃ and the refining time to be 50 min; adding the refined base cloth into bleaching liquid for bleaching, and controlling the bleaching temperature to be 35 ℃ and the bleaching time to be 10 min;
d. liquid ammonia finishing: and c, treating the base cloth treated in the step c with liquid ammonia, wherein the vehicle speed is 15m/min, the time delay adjustment range is 10s, the strength is 4N/cm2, and the maximum circulation amount of ammonia is 700 kg/h.
e. Dyeing: dyeing the blank treated in the step d at normal temperature, heating to 65 ℃, and keeping the temperature for 50min at a bath ratio of 10: 1;
f. and (3) dyeing post-treatment: and e, soaping the blank treated in the step e. Soaping with 209 detergent at 5g/L at 95 deg.C for 10 min; adding glacial acetic acid 10ml/L during neutralization, and keeping at normal temperature for 10 min;
g. open width drying and finishing: dewatering the base cloth treated in the step f until the water content is 35%, and finishing in an open-width drying and setting machine, wherein the temperature is controlled to be 165 ℃, and the vehicle speed is 20 m/min;
(2) antibacterial finishing
Finishing the fabric in an antibacterial agent for 2min at a bath ratio of 10:1 and a processing temperature of 140 ℃;
example 2:
a liquid ammonia yew knitted fabric comprises 13% yew fiber, 79% cotton and 8% spandex.
A preparation method of a liquid ammonia yew knitted fabric comprises the following steps:
(1) preparation of fabric
a. Preparing raw materials: the fabric comprises 13% of Chinese yew fiber, 79% of cotton and 8% of spandex;
b. weaving on a loom: selecting a multi-triangular machine with a cylinder diameter of 38 inches, a path number of 4 paths/inch and a needle path number of 4 to weave yarns into a weft plain needle tissue blank through the processes of loop withdrawal, yarn padding, closed loop looping, yarn bending, loop releasing, looping and drawing;
c. refining and bleaching: b, adding the blank obtained in the step b into refining liquid for refining, wherein the refining temperature is controlled to be 100 ℃, and the refining time is 45 min; adding the refined base cloth into bleaching liquid for bleaching, and controlling the bleaching temperature to be 35 ℃ and the bleaching time to be 12 min;
d. liquid ammonia finishing: performing liquid ammonia treatment on the base cloth processed in the step c, wherein the vehicle speed is 20m/min, the time delay adjustment range is 10s, the strength is 3N/cm2, and the maximum circulation amount of ammonia is 700 kg/h;
e. dyeing: dyeing the blank treated in the step d at normal temperature, heating to 70 ℃, and keeping the temperature for 50min at a bath ratio of 20: 1;
f. and (3) dyeing post-treatment: and e, soaping the blank treated in the step e. Soaping with 209 detergent at 5g/L at 95 deg.C for 10 min; adding glacial acetic acid 10ml/L during neutralization, and keeping at normal temperature for 10 min;
g. open width drying and finishing: dewatering the base cloth treated in the step f until the water content is 30%, and finishing in an open-width drying and setting machine, wherein the temperature is controlled to be 150 ℃, and the vehicle speed is 15 m/min;
(2) antibacterial finishing
Finishing the fabric in an antibacterial agent for 4min at a bath ratio of 20:1 and a processing temperature of 190 ℃;
example 3:
a liquid ammonia yew knitted fabric comprises 8% yew fiber, 77% cotton and 15% spandex.
A preparation method of a liquid ammonia yew knitted fabric comprises the following steps:
(1) preparation of fabric
a. Preparing raw materials: the fabric comprises 8% of Chinese yew fiber, 78% of cotton and 14% of spandex;
b. weaving on a loom: selecting a multi-triangular machine with a cylinder diameter of 38 inches, a path number of 4 paths/inch and a needle path number of 4 to weave yarns into a weft plain needle tissue blank through the processes of loop withdrawal, yarn padding, closed loop looping, yarn bending, loop releasing, looping and drawing;
c. refining and bleaching: b, adding the blank obtained in the step b into refining liquid for refining, wherein the refining temperature is controlled to be 100 ℃, and the refining time is 45 min; adding the refined base cloth into bleaching liquid for bleaching, and controlling the bleaching temperature to be 40 ℃ and the bleaching time to be 15 min;
d. liquid ammonia finishing: performing liquid ammonia treatment on the base cloth processed in the step c, wherein the vehicle speed is 20m/min, the time delay adjustment range is 15s, the strength is 2N/cm2, and the maximum circulation amount of ammonia is 1000 kg/h;
e. dyeing: dyeing the blank treated in the step d at normal temperature, heating to 70 ℃, and keeping the temperature for 50min at a bath ratio of 15: 1;
f. and (3) dyeing post-treatment: and e, soaping the blank treated in the step e. Soaping with 209 detergent at 5g/L at 95 deg.C for 10 min; adding glacial acetic acid 10ml/L during neutralization, and keeping at normal temperature for 10 min;
g. open width drying and finishing: dewatering the base cloth treated in the step f until the water content is 30%, and finishing in an open-width drying and setting machine, wherein the temperature is controlled to be 150 ℃, and the vehicle speed is 15 m/min;
(2) antibacterial finishing
Finishing the fabric in an antibacterial agent for 5min at a bath ratio of 30:1 and a treatment temperature of 170 ℃;
the results of the performance tests for examples 1-3 are set forth below:
| standard requirements | Example 1 | Example 2 | Example 3 | |
| Staphylococcus aureus bacteriostasis rate% | ≥80 | 91.43 | 90.83 | 92.15 |
| The antibacterial rate of escherichia coli is% | ≥70 | 89.54 | 88.62 | 88.58 |
| Bacteriostasis rate of candida albicans% | ≥60 | 87.82 | 86.95 | 86.37 |
| Recovery rate of wrinkles% | ≥70 | 88.56 | 89.62 | 89.32 |
From the table above, the fabric prepared by blending the taxus chinensis fiber, the cotton fiber and the spandex and then performing antibacterial finishing and liquid ammonia finishing has excellent antibacterial performance and crease resistance.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a liquid ammonia yew knitted fabric which characterized in that: the fabric is formed by blending taxus chinensis fibers, cotton fibers and spandex, and comprises 5-15% of taxus chinensis fibers, 70-90% of cotton and 5-15% of spandex in percentage by mass.
2. The preparation method of the liquid ammonia yew knitted fabric of claim 1, characterized by comprising the following steps: the method comprises the following steps:
(1) preparation of fabric
a. Preparing raw materials: mixing the taxus chinensis fiber, the cotton fiber and the spandex according to the content ratio to prepare uniform blended yarns;
b. weaving on a loom: selecting a multi-triangular machine with a cylinder diameter of 30-38 inches, path number of 3-4 paths/inch and needle path number of 1-4 to weave the yarn into a weft plain needle tissue blank through the processes of loop withdrawal, yarn padding, closing, looping, yarn bending, loop releasing, looping and drawing;
c. refining and bleaching: b, adding the blank obtained in the step b into refining liquid for refining, wherein the refining temperature is controlled to be 90-100 ℃, and the refining time is 45-50 min; adding the refined base cloth into bleaching liquid for bleaching, controlling the bleaching temperature to be 10-45 ℃ and the bleaching time to be 5-15 min;
d. liquid ammonia finishing: performing liquid ammonia treatment on the base cloth treated in the step c, wherein the vehicle speed is 15-30 m/min, the time delay adjustment range is 5-20 s, and the strength is 2-4N/cm2The maximum circulation amount of ammonia is 600-1000 kg/h.
e. Dyeing: dyeing the blank treated in the step d at normal temperature, heating to 65-70 ℃, and keeping the temperature for 50-60 min at a bath ratio of 10: 1-20: 1;
f. and (3) dyeing post-treatment: performing soap boiling on the base cloth treated in the step e, and performing soap boiling for 10min at 95 ℃ by adopting 209 detergent; adding glacial acetic acid 10ml/L during neutralization, and keeping at normal temperature for 10 min;
g. open width drying and finishing: dewatering the base cloth treated in the step f until the water content is 25-35%, and finishing in an open-width drying and setting machine, wherein the temperature is controlled to be 150-165 ℃, and the vehicle speed is 15-20 m/min;
(2) antibacterial finishing
Finishing the fabric in an antibacterial agent for 1-5 min at a bath ratio of 5-40: 1 and a treatment temperature of 140-190 ℃.
3. The method for preparing the liquid ammonia taxus chinensis knitted fabric according to claim 2, characterized in that: according to the mass percentage, the fabric comprises 5-15% of taxus chinensis fibers, 70-90% of cotton and 5-15% of spandex.
4. The method for preparing the liquid ammonia taxus chinensis knitted fabric according to claim 2, characterized in that: the refining liquid in the step c comprises 3-7 g/L knitting refining agent 729, 1-5 g/L sodium carbonate and the balance of water; the refining bath ratio is 10-20: 1.
5. The method for preparing the liquid ammonia taxus chinensis knitted fabric according to claim 2, characterized in that: the bleaching solution is hydrogen peroxide with the concentration of 1-40%, and the bleaching bath ratio is 5-20: 1.
6. The method for preparing the liquid ammonia taxus chinensis knitted fabric according to claim 2, characterized in that: the antibacterial agent in the step (2) comprises 1.5-5% of o.w.f modified titanium dioxide, 2-5% of o.w.f penetrating agent and 1-3% of o.w.f dispersing agent.
7. The method for preparing the liquid ammonia yew knitted fabric according to claim 6, characterized in that: the preparation method of the modified titanium dioxide comprises the following steps: adding 2-15 g of titanium dioxide powder into 1L of distilled water, adding 1-4 g of dispersing agent sodium hexametaphosphate, and violently stirring for 5-20 minutes to obtain a mixed solution; adjusting the pH value of the mixed solution to 10-11 by adopting hydrochloric acid with the concentration of 0.01-0.5 mol/L, adding 3-10 g of sodium stearate, stirring for reaction for 3-10 hours, filtering, washing, drying, and grinding on a ball mill to obtain nano titanium dioxide powder; adding the nano titanium dioxide powder into water, adding 5-10 g of PEG, reacting for 1-6 hours under vigorous stirring, filtering, washing, drying and grinding to obtain the nano modified titanium dioxide.
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