CN113308782A - Graphene knitted fabric and preparation method thereof - Google Patents
Graphene knitted fabric and preparation method thereof Download PDFInfo
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- CN113308782A CN113308782A CN202110714222.XA CN202110714222A CN113308782A CN 113308782 A CN113308782 A CN 113308782A CN 202110714222 A CN202110714222 A CN 202110714222A CN 113308782 A CN113308782 A CN 113308782A
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 108
- 239000004744 fabric Substances 0.000 title claims abstract description 107
- 238000002360 preparation method Methods 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 66
- 238000002156 mixing Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 238000004043 dyeing Methods 0.000 claims description 58
- 229920002334 Spandex Polymers 0.000 claims description 27
- 239000004759 spandex Substances 0.000 claims description 27
- 239000003513 alkali Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000000986 disperse dye Substances 0.000 claims description 21
- 239000000985 reactive dye Substances 0.000 claims description 21
- 238000005406 washing Methods 0.000 claims description 20
- 239000003945 anionic surfactant Substances 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 238000010008 shearing Methods 0.000 claims description 18
- 239000006185 dispersion Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 13
- 238000009941 weaving Methods 0.000 claims description 13
- 238000007493 shaping process Methods 0.000 claims description 12
- 238000009987 spinning Methods 0.000 claims description 12
- 239000002759 woven fabric Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 10
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 7
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 7
- 241000168254 Siro Species 0.000 claims description 6
- -1 alkyl diphenyl ether Chemical compound 0.000 claims description 6
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000009940 knitting Methods 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 4
- 210000004369 blood Anatomy 0.000 abstract description 6
- 239000008280 blood Substances 0.000 abstract description 6
- 230000004089 microcirculation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 208000000094 Chronic Pain Diseases 0.000 abstract description 4
- 208000002193 Pain Diseases 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 10
- 230000000474 nursing effect Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- MKYBYDHXWVHEJW-UHFFFAOYSA-N N-[1-oxo-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propan-2-yl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(C(C)NC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 MKYBYDHXWVHEJW-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 210000005260 human cell Anatomy 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
-
- 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
-
- 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
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
-
- 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
- D06M11/73—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 carbon or compounds thereof
- D06M11/74—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 carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- 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
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Of Fabric (AREA)
- Coloring (AREA)
Abstract
The invention relates to the technical field of knitted fabrics, in particular to a graphene knitted fabric, which comprises the following raw materials: the blended yarn is formed by blending the following raw materials: the graphene knitted fabric has the advantages of fluffy and soft hand feeling, excellent heat retention, soft skin care, skin-sticking and comfortable wearing, and the blended yarn adopts the graphene modified fiber, has low content of graphene, is simple to process and lower in production cost, and simultaneously ensures that the fabric achieves the effects of improving blood microcirculation, relieving chronic pain, effectively improving human body sub-health and caring skin.
Description
Technical Field
The invention relates to the technical field of knitted fabrics, in particular to a graphene knitted fabric and a preparation method thereof.
Background
The graphene has the advantages that the far infrared function is excited by the specific body temperature of a human body, the blood microcirculation is promoted, the metabolism is accelerated, the muscles are effectively relaxed, the fatigue is relieved, the underwear is made of the graphene fiber fabric, the skin is close to the skin, the blood microcirculation can be improved, the chronic pain is relieved, and the sub-health of the human body is effectively improved. The graphene fabric garment is formed by solidifying graphene into fibers by adopting a nanotechnology and weaving the graphene and yarns, has an excellent far infrared function of the graphene and generates a resonance effect with water molecules in human cells; enhancing the kinetic energy of blood cells, refining water molecules, promoting the blood microcirculation of human bodies, and having certain health-care effect on relieving joint ache and the like.
However, the graphene fiber is low in yield and high in price, and particularly, the graphene fiber knitted fabric in the prior art is complex in processing process, hard in hand feeling and high in production cost.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide the graphene knitted fabric which has the advantages of fluffy and soft hand feeling, excellent heat retention, softness and skin care, and comfort in wearing after being stuck on skin.
The invention also aims to provide a preparation method of the graphene knitted fabric, which is simple to operate, convenient to control, high in production efficiency and low in production cost and can be used for large-scale production.
The purpose of the invention is realized by the following technical scheme: a graphene knitted fabric comprises the following raw materials in parts by weight:
85-98 parts of blended yarn
2-15 parts of spandex filament
Each part of the blended yarn is formed by blending the following raw materials in parts by weight:
25-75 parts of modal fiber
25-75 parts of graphene modified fiber.
The graphene knitted fabric is made of blended yarns and spandex filaments, wherein the blended yarns are formed by blending modal fibers and graphene modified fibers, the spandex filaments and the modal fibers can well improve the graphene modified fibers, and then the defects that the graphene modified fiber fabric in the prior art is high in price and troublesome in washing and nursing are fully overcome, the adopted graphene modified fibers contain lower-content graphene, the processing is simple, the production cost is lower, and meanwhile the fabric is guaranteed to achieve the effects of improving blood microcirculation, relieving chronic pain, effectively improving sub-health of a human body and protecting skin and health. The blended yarn formed by blending the modal fiber and the graphene modified fiber and the graphene knitted fabric prepared by cooperating with the spandex filament have the advantages of convenience in washing and nursing, fluffy and soft hand feeling, excellent heat retention, moisture absorption, breathability, skin-attaching property and comfort in wearing.
Preferably, the preparation method of the graphene modified fiber comprises the following steps:
(S1) taking 10-18 parts of expanded graphite powder, 0.5-1 part of anionic surfactant, 100 parts of water, 50-80 parts of combed yarn and 50-80 parts of strong alkali solution according to parts by weight for later use;
(S2), uniformly mixing the expanded graphite powder, the anionic surfactant and water, and then circularly performing sanding-ultrasonic dispersion treatment for 3-6 hours at the temperature of 50-70 ℃ to prepare a graphene dispersion liquid;
(S3), alkali-treating the combed yarns in a strong alkali solution for 3-10min, then soaking the combed yarns in the graphene dispersion liquid for 10-20min, taking out and drying to obtain the graphene modified fibers.
By adopting the technical scheme, the obtained graphene modified fiber contains lower content of graphene, is simple to process and lower in production cost, and meanwhile ensures that the fabric achieves the effects of improving blood microcirculation, relieving chronic pain, effectively improving human sub-health, and protecting skin and health.
Preferably, the strong alkali solution is a sodium hydroxide solution with the concentration of 110-210 g/L.
By adopting the technical scheme, the combed yarn is subjected to alkali treatment in a strong alkaline solution so as to be combined with the graphene conveniently.
Preferably, the anionic surfactant is sodium dodecyl benzene sulfonate and alkyl diphenyl ether disulfonate which are mixed according to the weight ratio of 2-3: 1.
By adopting the technical scheme, the preparation of the graphene dispersion liquid by dispersing the expanded graphite powder is facilitated, and the graphene yield is improved.
Preferably, the yarn number of the blended yarn is 40S-50S; the fineness of the spandex filament is 10D-30D.
The other purpose of the invention is realized by the following technical scheme: the preparation method of the graphene knitted fabric comprises the following steps:
step one, spinning: blending the modal fibers and the graphene fibers according to the formula amount to obtain blended yarns;
step two, weaving: weaving the blended yarn and the spandex filament yarn prepared in the step one by using a circular knitting machine to obtain a woven fabric;
step three, scutching a preset blank: scutching the woven fabric obtained in the step two, and performing pre-blank setting by using a high-temperature open-width dryer;
step four, dyeing: step three, dyeing the fabric after the preset blank is finished to obtain a dyed fabric;
step five, drying the cloth: tentering the dyed fabric obtained in the fourth step by using a high-temperature open-width dryer to dry the fabric;
step six, sanding: sanding the skin-attached surface of the dried fabric by using a carborundum roller sanding machine;
step seven, shearing: shearing the sanded surface by a rotary cutter shearing machine;
step eight, shaping a finished product: and (3) tentering by adopting a high-temperature open-width dryer to shape the finished product, and obtaining the graphene knitted fabric after shaping.
Preferably, in the first step, the blending mode is siro compact spinning; in the eighth step, the setting temperature is 150-170 ℃.
Preferably, in the fourth step, the dyeing is double dyeing by using a reactive dye and a disperse dye, or single dyeing by using a disperse dye or single dyeing by using a reactive dye.
Preferably, the double dyeing process with the reactive dye and the disperse dye comprises the following steps:
firstly, dyeing the fabric by using reactive dye at 50-85 ℃ for single dyeing, and then carrying out soaping;
dyeing the fabric with disperse dye at 95-135 deg.c, soaping, softening and washing.
Preferably, the step of single dyeing with the disperse dye comprises:
dyeing the fabric by using disperse dye at 95-135 ℃ for single dyeing, then soaping, softening and washing water discharging;
the single dyeing process with the reactive dye comprises the following steps:
the fabric is dyed by reactive dye at 50-85 ℃ for single dyeing, and then the procedures of soaping, softening, washing and discharging are carried out.
The invention has the beneficial effects that: the graphene knitted fabric is prepared from the blended yarn and the spandex filament, wherein the blended yarn is formed by blending the modal fiber and the graphene modified fiber, the spandex filament and the modal fiber can well improve the graphene modified fiber, and further the defects of high price and trouble in washing and nursing of the graphene modified fiber fabric in the prior art are fully overcome. The blended yarn formed by blending the modal fiber and the graphene modified fiber and the graphene knitted fabric prepared by cooperating with the spandex filament have the advantages of convenience in washing and nursing, fluffy and soft hand feeling, excellent heat retention, moisture absorption, breathability, skin-attaching property and comfort in wearing.
The preparation method disclosed by the invention is simple to operate, convenient to control, high in production efficiency and low in production cost, and can be used for large-scale production.
Detailed Description
The present invention will be further described with reference to the following examples for facilitating understanding of those skilled in the art, and the description of the embodiments is not intended to limit the present invention.
Example 1
A graphene knitted fabric comprises the following raw materials in parts by weight:
90 portions of blended yarn
10 parts of spandex filament
Each part of the blended yarn is formed by blending the following raw materials in parts by weight:
50 portions of modal fiber
And 35 parts of graphene modified fiber.
The preparation method of the graphene modified fiber comprises the following steps:
(S1) taking 14 parts of expanded graphite powder, 0.8 part of anionic surfactant, 100 parts of water, 65 parts of combed yarn and 65 parts of strong alkali solution according to parts by weight for later use;
(S2), uniformly mixing the expanded graphite powder, the anionic surfactant and water, and then circularly performing sanding-ultrasonic dispersion treatment for 5 hours at the temperature of 60 ℃ to prepare a graphene dispersion liquid;
(S3), alkali treatment is carried out on the combed yarn in a strong alkali solution for 5min, then the combed yarn is soaked in the graphene dispersion liquid for 15min, and the graphene modified fiber is obtained after the combed yarn is taken out and dried.
The strong alkali solution is sodium hydroxide solution with the concentration of 150 g/L.
The anionic surfactant is a mixture of sodium dodecyl benzene sulfonate and alkyl diphenyl ether disulfonate according to a weight ratio of 2.5: 1.
The yarn number of the blended yarn is 45S; the fineness of the spandex filament is 20D.
The preparation method of the graphene knitted fabric comprises the following steps:
step one, spinning: blending the modal fibers and the graphene fibers according to the formula amount to obtain blended yarns;
step two, weaving: weaving the blended yarn and the spandex filament yarn prepared in the step one by using a circular knitting machine to obtain a woven fabric;
step three, scutching a preset blank: scutching the woven fabric obtained in the step two, and performing pre-blank setting by using a high-temperature open-width dryer;
step four, dyeing: step three, dyeing the fabric after the preset blank is finished to obtain a dyed fabric;
step five, drying the cloth: tentering the dyed fabric obtained in the fourth step by using a high-temperature open-width dryer to dry the fabric;
step six, sanding: sanding the skin-attached surface of the dried fabric by using a carborundum roller sanding machine;
step seven, shearing: shearing the sanded surface by a rotary cutter shearing machine;
step eight, shaping a finished product: and (3) tentering by adopting a high-temperature open-width dryer to shape the finished product, and obtaining the graphene knitted fabric after shaping.
In the first step, the blending mode is siro compact spinning; in the eighth step, the setting temperature is 160 ℃.
In the fourth step, the dyeing is double dyeing by using reactive dye and disperse dye.
The double dyeing process with the reactive dye and the disperse dye comprises the following steps:
firstly, dyeing the fabric by using reactive dye at 70 ℃, and then performing soaping;
then dyeing the fabric by using disperse dye at 115 ℃, and then soaping, softening and washing the fabric out of the cylinder.
Example 2
A graphene knitted fabric comprises the following raw materials in parts by weight:
blended yarn 85 parts
2 parts of spandex filament
Each part of the blended yarn is formed by blending the following raw materials in parts by weight:
25 parts of modal fiber
And 25 parts of graphene modified fiber.
The preparation method of the graphene modified fiber comprises the following steps:
(S1) taking 10 parts of expanded graphite powder, 0.5 part of anionic surfactant, 100 parts of water, 50 parts of combed yarn and 50 parts of strong alkali solution according to parts by weight for later use;
(S2), uniformly mixing the expanded graphite powder, an anionic surfactant and water, and then circularly performing sanding-ultrasonic dispersion treatment for 3 hours at the temperature of 50 ℃ to prepare a graphene dispersion liquid;
(S3), alkali treatment is carried out on the combed yarn in a strong alkali solution for 3min, then the combed yarn is soaked in the graphene dispersion liquid for 10min, and the graphene modified fiber is obtained after the combed yarn is taken out and dried.
The strong alkali solution is a sodium hydroxide solution with the concentration of 110 g/L.
The anionic surfactant is a mixture of sodium dodecyl benzene sulfonate and alkyl diphenyl ether disulfonate according to a weight ratio of 2: 1.
The yarn number of the blended yarn is 40S; the fineness of the spandex filament is 10D.
The preparation method of the graphene knitted fabric comprises the following steps:
step one, spinning: blending the modal fibers and the graphene fibers according to the formula amount to obtain blended yarns;
step two, weaving: weaving the blended yarn and the spandex filament yarn prepared in the step one by using a circular knitting machine to obtain a woven fabric;
step three, scutching a preset blank: scutching the woven fabric obtained in the step two, and performing pre-blank setting by using a high-temperature open-width dryer;
step four, dyeing: step three, dyeing the fabric after the preset blank is finished to obtain a dyed fabric;
step five, drying the cloth: tentering the dyed fabric obtained in the fourth step by using a high-temperature open-width dryer to dry the fabric;
step six, sanding: sanding the skin-attached surface of the dried fabric by using a carborundum roller sanding machine;
step seven, shearing: shearing the sanded surface by a rotary cutter shearing machine;
step eight, shaping a finished product: and (3) tentering by adopting a high-temperature open-width dryer to shape the finished product, and obtaining the graphene knitted fabric after shaping.
In the first step, the blending mode is siro compact spinning; in the eighth step, the setting temperature is 150 ℃.
In the fourth step, the dyeing is single dyeing by using a disperse dye.
The single dyeing process with the disperse dye comprises the following steps:
dyeing the fabric by using disperse dye at 95 ℃ for single dyeing, then soaping, softening and washing water discharging;
example 3
A graphene knitted fabric comprises the following raw materials in parts by weight:
blended yarn 98 parts
15 parts of spandex filament
Each part of the blended yarn is formed by blending the following raw materials in parts by weight:
75 parts of modal fiber
And 75 parts of graphene modified fiber.
The preparation method of the graphene modified fiber comprises the following steps:
(S1) taking 18 parts of expanded graphite powder, 1 part of anionic surfactant, 100 parts of water, 80 parts of combed yarn and 80 parts of strong alkali solution according to parts by weight for later use;
(S2), uniformly mixing the expanded graphite powder, the anionic surfactant and water, and then circularly performing sanding-ultrasonic dispersion treatment for 6 hours at the temperature of 70 ℃ to prepare a graphene dispersion liquid;
(S3), alkali-treating the combed yarn in a strong alkali solution for 10min, then soaking the combed yarn in the graphene dispersion liquid for 20min, taking out and drying to obtain the graphene modified fiber.
The strong alkali solution is sodium hydroxide solution with the concentration of 210 g/L.
The anionic surfactant is a mixture of sodium dodecyl benzene sulfonate and alkyl diphenyl ether disulfonate according to a weight ratio of 3: 1.
The yarn number of the blended yarn is 50S; the fineness of the spandex filament is 30D.
The preparation method of the graphene knitted fabric comprises the following steps:
step one, spinning: blending the modal fibers and the graphene fibers according to the formula amount to obtain blended yarns;
step two, weaving: weaving the blended yarn and the spandex filament yarn prepared in the step one by using a circular knitting machine to obtain a woven fabric;
step three, scutching a preset blank: scutching the woven fabric obtained in the step two, and performing pre-blank setting by using a high-temperature open-width dryer;
step four, dyeing: step three, dyeing the fabric after the preset blank is finished to obtain a dyed fabric;
step five, drying the cloth: tentering the dyed fabric obtained in the fourth step by using a high-temperature open-width dryer to dry the fabric;
step six, sanding: sanding the skin-attached surface of the dried fabric by using a carborundum roller sanding machine;
step seven, shearing: shearing the sanded surface by a rotary cutter shearing machine;
step eight, shaping a finished product: and (3) tentering by adopting a high-temperature open-width dryer to shape the finished product, and obtaining the graphene knitted fabric after shaping.
In the first step, the blending mode is siro compact spinning; in the eighth step, the setting temperature is 170 ℃.
In the fourth step, the dyeing is double dyeing by using reactive dye and disperse dye.
The double dyeing process with the reactive dye and the disperse dye comprises the following steps:
firstly, dyeing the fabric by using reactive dye at 85 ℃, and then performing soaping;
then disperse dyes are used for dyeing the fabric at 135 ℃ for single dyeing, and then soaping, softening and washing water are discharged from a cylinder.
Example 4
A graphene knitted fabric comprises the following raw materials in parts by weight:
92 parts of blended yarn
8 parts of spandex filament
Each part of the blended yarn is formed by blending the following raw materials in parts by weight:
60 parts of modal fiber
And 35 parts of graphene modified fiber.
The preparation method of the graphene modified fiber comprises the following steps:
(S1), taking 12 parts of expanded graphite powder, 0.6 part of anionic surfactant, 100 parts of water, 55 parts of combed yarn and 55 parts of strong alkali solution according to parts by weight for later use;
(S2), uniformly mixing the expanded graphite powder, the anionic surfactant and water, and then circularly performing sanding-ultrasonic dispersion treatment for 4.5 hours at the temperature of 65 ℃ to prepare a graphene dispersion liquid;
(S3), alkali-treating the combed yarn in a strong alkali solution for 6min, then soaking the combed yarn in the graphene dispersion liquid for 13min, taking out and drying to obtain the graphene modified fiber.
The strong alkali solution is a sodium hydroxide solution with the concentration of 180 g/L.
The anionic surfactant is a mixture of sodium dodecyl benzene sulfonate and alkyl diphenyl ether disulfonate according to a weight ratio of 2.4: 1.
The yarn number of the blended yarn is 48S; the fineness of the spandex filament is 25D.
The preparation method of the graphene knitted fabric comprises the following steps:
step one, spinning: blending the modal fibers and the graphene fibers according to the formula amount to obtain blended yarns;
step two, weaving: weaving the blended yarn and the spandex filament yarn prepared in the step one by using a circular knitting machine to obtain a woven fabric;
step three, scutching a preset blank: scutching the woven fabric obtained in the step two, and performing pre-blank setting by using a high-temperature open-width dryer;
step four, dyeing: step three, dyeing the fabric after the preset blank is finished to obtain a dyed fabric;
step five, drying the cloth: tentering the dyed fabric obtained in the fourth step by using a high-temperature open-width dryer to dry the fabric;
step six, sanding: sanding the skin-attached surface of the dried fabric by using a carborundum roller sanding machine;
step seven, shearing: shearing the sanded surface by a rotary cutter shearing machine;
step eight, shaping a finished product: and (3) tentering by adopting a high-temperature open-width dryer to shape the finished product, and obtaining the graphene knitted fabric after shaping.
In the first step, the blending mode is siro compact spinning; in the eighth step, the setting temperature is 155 ℃.
In the fourth step, the dyeing is single dyeing by using reactive dyes.
The single dyeing process with the reactive dye comprises the following steps:
the fabric is dyed by reactive dye at 60 ℃ for single dyeing, and then the procedures of soaping, softening, washing and discharging are carried out.
Comparative example 1
This comparative example differs from example 1 in that:
the graphene modified fibers are replaced by graphene fibers.
Comparative example 2
This comparative example differs from example 1 in that:
the combed yarn is not alkali treated in a strong alkali solution.
Comparative example 3
This comparative example differs from example 1 in that:
the anionic surfactant is sodium dodecyl benzene sulfonate.
Example 6
The fabrics of examples 1-4 and comparative examples 1-3 were respectively tested for color fastness to water, water washing resistance and fabric hand feel by the following test methods:
water color fastness: measured according to GB/T5713-1997 and rated in units of grades;
water washing resistance: according to the quantitative detection method of the graphene content in the CN201710724810.5 textile, after the graphene content of the same batch of fabric is measured before and after being washed for 3 times, the difference value before and after washing is calculated, and the unit is;
the fabric has the following hand feeling: taking the fabric, manually judging 10 volunteers, and scoring the evaluation of fluffy, soft and glutinous hand feeling of the fabric for 0-10 minutes, wherein 10 minutes of fluffy, soft and glutinous hand feeling is the best.
The test results are shown in the following table:
| color fastness to water | Water washing resistance | Hand feeling | |
| Example 1 | 4-5 | 0.5％ | 8 |
| Example 2 | 4-5 | 0.8％ | 8 |
| Example 3 | 4-5 | 0.3％ | 9 |
| Example 4 | 4-5 | 0.4％ | 8 |
| Comparative example 1 | 4 | 1.0％ | 4 |
| Comparative example 2 | 4 | 3.5％ | 8 |
| Comparative example 3 | 4 | 1.3％ | 7 |
The graphene knitted fabric is prepared from the blended yarns and the spandex filaments, wherein the blended yarns are formed by blending modal fibers and graphene modified fibers, the spandex filaments and the modal fibers can well improve the graphene modified fibers, and further the defects that the graphene modified fiber fabric in the prior art is high in price and troublesome in washing and nursing are fully overcome. The blended yarn formed by blending the modal fiber and the graphene modified fiber and the graphene knitted fabric prepared by cooperating with the spandex filament have the advantages of convenience in washing and nursing, fluffy and soft hand feeling, excellent heat retention, moisture absorption, breathability, skin-attaching property and comfort in wearing.
The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. A graphene knitted fabric is characterized in that: the feed comprises the following raw materials in parts by weight:
85-98 parts of blended yarn
2-15 parts of spandex filament
Each part of the blended yarn is formed by blending the following raw materials in parts by weight:
25-75 parts of modal fiber
25-75 parts of graphene modified fiber.
2. The graphene knitted fabric according to claim 1, wherein: the preparation method of the graphene modified fiber comprises the following steps:
(S1) taking 10-18 parts of expanded graphite powder, 0.5-1 part of anionic surfactant, 100 parts of water, 50-80 parts of combed yarn and 50-80 parts of strong alkali solution according to parts by weight for later use;
(S2), uniformly mixing the expanded graphite powder, the anionic surfactant and water, and then circularly performing sanding-ultrasonic dispersion treatment for 3-6 hours at the temperature of 50-70 ℃ to prepare a graphene dispersion liquid;
(S3), alkali-treating the combed yarns in a strong alkali solution for 3-10min, then soaking the combed yarns in the graphene dispersion liquid for 10-20min, taking out and drying to obtain the graphene modified fibers.
3. The graphene knitted fabric according to claim 2, wherein: the strong alkali solution is a sodium hydroxide solution with the concentration of 110-210 g/L.
4. The graphene knitted fabric according to claim 2, wherein: the anionic surfactant is a mixture of sodium dodecyl benzene sulfonate and alkyl diphenyl ether disulfonate according to the weight ratio of 2-3: 1.
5. The graphene knitted fabric according to claim 1, wherein: the yarn number of the blended yarn is 40S-50S; the fineness of the spandex filament is 10D-30D.
6. A method for preparing the graphene knitted fabric according to any one of claims 1 to 5, wherein the method comprises the following steps: the method comprises the following steps:
step one, spinning: blending the modal fibers and the graphene fibers according to the formula amount to obtain blended yarns;
step two, weaving: weaving the blended yarn and the spandex filament yarn prepared in the step one by using a circular knitting machine to obtain a woven fabric;
step three, scutching a preset blank: scutching the woven fabric obtained in the step two, and performing pre-blank setting by using a high-temperature open-width dryer;
step four, dyeing: step three, dyeing the fabric after the preset blank is finished to obtain a dyed fabric;
step five, drying the cloth: tentering the dyed fabric obtained in the fourth step by using a high-temperature open-width dryer to dry the fabric;
step six, sanding: sanding the skin-attached surface of the dried fabric by using a carborundum roller sanding machine;
step seven, shearing: shearing the sanded surface by a rotary cutter shearing machine;
step eight, shaping a finished product: and (3) tentering by adopting a high-temperature open-width dryer to shape the finished product, and obtaining the graphene knitted fabric after shaping.
7. The preparation method of the graphene knitted fabric according to claim 6, characterized by comprising the following steps: in the first step, the blending mode is siro compact spinning; in the eighth step, the setting temperature is 150-170 ℃.
8. The preparation method of the graphene knitted fabric according to claim 6, characterized by comprising the following steps: in the fourth step, the dyeing is double dyeing by using reactive dye and disperse dye, or single dyeing by using disperse dye or single dyeing by using reactive dye.
9. The preparation method of the graphene knitted fabric according to claim 8, characterized by comprising the following steps: the double dyeing process with the reactive dye and the disperse dye comprises the following steps:
A. firstly, dyeing the fabric by using reactive dye at 50-85 ℃ for single dyeing, and then carrying out soaping;
B. dyeing the fabric with disperse dye at 95-135 deg.c, soaping, softening and washing.
10. The preparation method of the graphene knitted fabric according to claim 8, characterized by comprising the following steps: the single dyeing process with the disperse dye comprises the following steps:
dyeing the fabric by using disperse dye at 95-135 ℃ for single dyeing, then soaping, softening and washing water discharging;
the single dyeing process with the reactive dye comprises the following steps:
the fabric is dyed by reactive dye at 50-85 ℃ for single dyeing, and then the procedures of soaping, softening, washing and discharging are carried out.
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