CN114197104A - Heat-storage knitted denim fabric and processing technology thereof - Google Patents
Heat-storage knitted denim fabric and processing technology thereof Download PDFInfo
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- CN114197104A CN114197104A CN202111550253.2A CN202111550253A CN114197104A CN 114197104 A CN114197104 A CN 114197104A CN 202111550253 A CN202111550253 A CN 202111550253A CN 114197104 A CN114197104 A CN 114197104A
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- 239000004744 fabric Substances 0.000 title claims abstract description 92
- 238000005338 heat storage Methods 0.000 title claims abstract description 47
- 238000005516 engineering process Methods 0.000 title claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 44
- 238000009941 weaving Methods 0.000 claims abstract description 37
- 229920002334 Spandex Polymers 0.000 claims abstract description 35
- 239000004759 spandex Substances 0.000 claims abstract description 35
- 238000005406 washing Methods 0.000 claims abstract description 29
- 238000004043 dyeing Methods 0.000 claims abstract description 23
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 238000004321 preservation Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 claims description 26
- 239000003638 chemical reducing agent Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 24
- 239000011435 rock Substances 0.000 claims description 23
- 235000000177 Indigofera tinctoria Nutrition 0.000 claims description 20
- 229940097275 indigo Drugs 0.000 claims description 20
- 229910052717 sulfur Inorganic materials 0.000 claims description 12
- 239000011593 sulfur Substances 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 10
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 108090000790 Enzymes Proteins 0.000 claims description 8
- 102000004190 Enzymes Human genes 0.000 claims description 8
- 239000004902 Softening Agent Substances 0.000 claims description 8
- 239000003599 detergent Substances 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 8
- 229940088598 enzyme Drugs 0.000 claims description 8
- 238000009998 heat setting Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000004575 stone Substances 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 210000004177 elastic tissue Anatomy 0.000 claims description 6
- COHYTHOBJLSHDF-BUHFOSPRSA-N indigo dye Chemical compound N\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-BUHFOSPRSA-N 0.000 claims description 6
- 239000012452 mother liquor Substances 0.000 claims description 6
- 231100000252 nontoxic Toxicity 0.000 claims description 6
- 230000003000 nontoxic effect Effects 0.000 claims description 6
- 230000009965 odorless effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- -1 sulfur ions Chemical class 0.000 claims description 6
- 230000008901 benefit Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- 238000009940 knitting Methods 0.000 claims description 5
- 108010059892 Cellulase Proteins 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 229940106157 cellulase Drugs 0.000 claims description 4
- 238000010028 chemical finishing Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- 238000003912 environmental pollution Methods 0.000 claims description 4
- 238000007730 finishing process Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000010002 mechanical finishing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 239000012224 working solution Substances 0.000 claims description 4
- 238000009970 yarn dyeing Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000010413 mother solution Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000006870 function Effects 0.000 abstract description 5
- 238000007667 floating Methods 0.000 abstract description 4
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
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- 239000000835 fiber Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 239000012895 dilution Substances 0.000 description 1
- 238000009963 fulling Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
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- 238000003672 processing method Methods 0.000 description 1
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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
- D04B1/10—Patterned fabrics or articles
- D04B1/102—Patterned fabrics or articles with stitch pattern
-
- 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
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/22—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using vat dyestuffs including indigo
- D06P1/228—Indigo
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
-
- 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
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
-
- 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
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
-
- 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)
- Woven Fabrics (AREA)
- Knitting Of Fabric (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention relates to the technical field of fabric processing, and discloses a heat storage knitted denim fabric and a processing technology thereof, wherein the heat storage knitted denim fabric comprises the following steps: dyeing, weaving, softening finishing, washing, shaping and finishing yarns, (1) dyeing yarns; the manufacturing method of the heat storage knitted denim fabric comprises the steps of selecting a plurality of groups of yarns with different yarn count specifications as comparison, investigating the influence of yarn selection on the hand feeling and the gram weight heat preservation of a finished product, and using volcanic heat storage functional yarn, cotton yarn and lycra as raw materials, wherein the cotton yarn has three different specifications of 10S, 21S and 40S, dyeing the yarn and weaving. When the novel knitted jean fabric is woven, a twill weave structure is adopted for weaving, the front side yarns are all looped, the back side yarns and the front side yarns are in a tucked or floating thread non-woven state, the back side yarns and the front side yarns are woven to be used as front side clothing, the novel knitted jean fabric is developed, and the finally obtained fabric is fashionable, has the functions of heat storage and warm keeping and is suitable for being used as the fabric of autumn and winter men.
Description
Technical Field
The invention relates to the technical field of fabric processing, in particular to a heat storage knitted denim fabric and a processing technology thereof.
Background
With the improvement of living standard, people have higher and higher requirements on the garment materials, such as comfort, aesthetic property, health, functionality, green environmental protection and the like of fabrics. The woven jean fabric has relatively poor air permeability, softness and elasticity, so that the requirement of clothing comfort cannot be met, and the knitted jean fabric has the color and style of the traditional jean fabric, a knitted loop structure, excellent elasticity and softness, comfortable wearing, unique style and high market reaction.
With the development of economy and the improvement of the living standard of people, people continuously pursue the quality of life. Most of the traditional jean fabrics are mainly made of cotton fibers. But with the rising of emerging fibers, certain defects of cotton fibers are compensated. Such as volcanic fiber, which is formed by melting volcanic powder into polyester spinning solution, and spinning to form volcanic functional yarn; the lycra fiber is an elastic fiber, the stretching degree of which can reach 500 percent, can be very easily stretched, can still be tightly attached to the surface of a human body after being restored, and has small binding force on the human body.
The invention takes volcanic heat storage functional yarn, cotton yarn and lycra elastic fiber as raw materials, adopts a twill weave structure to weave, develops the knitted denim fabric which has good elasticity and restoring force, is fashionable and has heat storage and warm keeping functions, and changes the current situation that most of the knitted denim fabrics have larger gaps and poor warm keeping performance after being spread.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the heat storage knitted denim fabric and the processing technology thereof, and the heat storage knitted denim fabric has better elasticity and restoring force; the heat-storage and warm-keeping fabric has the advantages of heat storage and warm keeping, and solves the problems of large gaps and poor warm keeping performance of most of existing knitted denim fabrics after being stretched in the background technology.
The invention provides the following technical scheme: a heat storage knitted denim fabric and a processing technology thereof comprise: dyeing, weaving, softening finishing, washing, shaping and finishing yarns and yarns,
(1) yarn
Selecting several groups of yarns with different yarn count specifications as comparison, investigating the influence of the yarn selection on the hand feeling and the gram weight heat preservation of the finished product,
75D volcanic rock, 10S cotton, 105D Lycra,
② 75D volcanic rock multiplied by 21S cotton multiplied by 105D lycra,
③ 75D volcanic rock, 40S cotton, 105D lycra,
(2) yarn dyeing
Dyeing with indigo, reducing before dyeing, adding water, adding indigo dye, stirring, adding reducing agent dissolved in hot water into indigo dye solution, stirring, covering with dye solution, standing for 30-60 min,
the indigo mother liquor reduction formula is as follows:
50/L of sodium hydroxide, 50g/L of composite reducing agent, 35g/L of indigo,
during dyeing, working solution dilutes indigo mother solution to 1/20,
(3) weaving
The yarn is sequentially bent into a loop,
the weaving is finished by a single-side circular knitting machine, the equipment parameters are the cylinder diameter 863.4mm (34 "), the machine number 24 needles/25.4 mm, the path number 128F and the total needle number 2544 needles,
when weaving, a twill weave structure is adopted for weaving, the front side yarns are all looped, the back side yarns and the front side yarns are in a tuck or float non-weaving state, and the back side is woven for front side clothing,
(4) soft finish
The soft finishing method comprises a mechanical finishing method and a chemical finishing method, wherein the mechanical soft finishing method usually adopts a three-roller rubber pre-shrinking machine to properly reduce the operation temperature and pressure and accelerate the speed of the vehicle so as to obtain softer hand feeling; can also be subjected to soft finishing by a calender, and currently, the softening agent is mostly adopted for finishing,
the softening finishing process comprises the following steps: 1.5g/L of oil removing agent, 0.5g/L of refined emulsifier, 2.0g/L of softening agent, 85 ℃ and 20min,
(5) washing with water
The biological enzyme detergent can be used for washing the fabrics, the same effect of stone mill water washing can be achieved, the patterns are finer and more uniform than the stone mill, and the biological enzyme detergent has the advantages of no environmental pollution, no fabric damage and the like,
and (3) a water washing process:
cellulase 1.5% (o.w.f)
The time is 90min
The temperature is 65 DEG C
Bath ratio of 1: 10
(6) Shaping
After washing and drying, the fabric is subjected to pre-shrinking and heat setting until the fabric obtains a certain width and gram weight. Heat setting temperature of 130 deg.C, time of 3min,
(7) finished product
And (4) performing centralized classified discharge on the treated fabric, and dividing according to the cotton yarn content and the color of the fabric.
Preferably, the indigo dyeing process flow is as follows: yarn feeding → padding penetrant + caustic soda (3 g/L) → cold padding water → normal temperature padding dye solution → water washing (cold water, acid fixation) → drying → yarn discharging.
Preferably, the yarns are selected from volcanic heat storage functional yarns, cotton yarns and lycra elastic fibers, and are woven in a twill weave structure.
Preferably, the yarn threading mode is that volcanic rock functional yarn is crossed and penetrated, the volcanic rock surface is a looping surface and is used as a surface close to the skin, and heat is stored and kept; crossing and penetrating cotton yarns; lecaisi is fed into each path, so that the elasticity of the fabric can be guaranteed, and the heat storage and warm keeping capacity of the fabric can be improved.
Preferably, volcanic heat storage functional yarn, cotton yarn and lycra are used as raw materials, wherein the cotton yarn has three different specifications of 10S, 21S and 40S, and the yarn is dyed and then woven.
Preferably, the lycra fabric is a high-elastic fabric with the content of spandex filaments in the fabric being 15%, and the fabric is not tightly bound to close-fitting clothes; the clothing has better drapability due to the degree of opening and closing and fit without restraint.
Preferably, the reducing agent is an environment-friendly compound reducing agent, is non-toxic and odorless, cannot detect sulfur ions in an aqueous solution, and effectively reduces the generation of odor and sulfur-containing wastewater.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the manufacturing method of the heat storage knitted denim fabric, volcanic heat storage functional yarn, cotton yarn and lycra are used as raw materials, wherein the cotton yarn has three different specifications of 10S, 21S and 40S, and the yarn is dyed and then woven. When the novel knitted jean-like fabric is woven, a twill weave structure is adopted for weaving, the front side yarns are all looped, the back side yarns and the front side yarns are in a tucked or floating non-woven state, the back side yarns and the front side yarns are woven to be used as front side clothes, the novel knitted jean-like fabric is developed, and the finally obtained fabric is fashionable, has the functions of heat storage and warm keeping and is suitable for being used as the fabric of autumn and winter men.
2. According to the manufacturing method of the heat storage knitted denim fabric, the sodium hydrosulfite is replaced by the reducing agent, the sodium hydrosulfite has higher stability compared with the reducing agent, the composite reducing agent has good chemical stability at normal temperature, is non-toxic and odorless, cannot detect sulfur ions in an aqueous solution, effectively reduces the generation of odor and sulfur-containing wastewater, meets the requirements of environmental protection and green production, and can ensure the quality of products.
Drawings
FIG. 1 is a schematic illustration of the dilution of an indigo mother liquor according to the invention;
FIG. 2 is a schematic view of a triangular arrangement of the knitting of the present invention;
fig. 3 is a schematic diagram of the weaving of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-3, a heat storage knitted denim fabric and a processing method thereof include: dyeing, weaving, softening finishing, washing, shaping and finishing yarns and yarns,
(1) yarn
Selecting several groups of yarns with different yarn count specifications as comparison, investigating the influence of the yarn selection on the hand feeling and the gram weight heat preservation of the finished product,
75D volcanic rock, 10S cotton, 105D Lycra,
② 75D volcanic rock multiplied by 21S cotton multiplied by 105D lycra,
③ 75D volcanic rock, 40S cotton, 105D lycra,
(2) yarn dyeing
Dyeing with indigo, reducing before dyeing, adding water, adding indigo dye, stirring, adding reducing agent dissolved in hot water into indigo dye solution, stirring, covering with dye solution, standing for 30-60 min,
the indigo mother liquor reduction formula is as follows:
50/L of sodium hydroxide, 50g/L of composite reducing agent, 35g/L of indigo,
during dyeing, working solution dilutes indigo mother solution to 1/20,
(3) weaving
The yarn is sequentially bent into a loop,
the weaving is finished by a single-side circular knitting machine, the equipment parameters are the cylinder diameter 863.4mm (34 "), the machine number 24 needles/25.4 mm, the path number 128F and the total needle number 2544 needles,
when weaving, a twill weave structure is adopted for weaving, the front side yarns are all looped, the back side yarns and the front side yarns are in a tuck or float non-weaving state, and the back side is woven for front side clothing,
(4) soft finish
The soft finishing method comprises a mechanical finishing method and a chemical finishing method, wherein the mechanical soft finishing method usually adopts a three-roller rubber pre-shrinking machine to properly reduce the operation temperature and pressure and accelerate the speed of the vehicle so as to obtain softer hand feeling; can also be subjected to soft finishing by a calender, and currently, the softening agent is mostly adopted for finishing,
the softening finishing process comprises the following steps: 1.5g/L of oil removing agent, 0.5g/L of refined emulsifier, 2.0g/L of softening agent, 85 ℃ and 20min,
(5) washing with water
The biological enzyme detergent can be used for washing the fabrics, the same effect of stone mill water washing can be achieved, the patterns are finer and more uniform than the stone mill, and the biological enzyme detergent has the advantages of no environmental pollution, no fabric damage and the like,
and (3) a water washing process:
cellulase 1.5% (o.w.f)
The time is 90min
The temperature is 65 DEG C
Bath ratio of 1: 10
(6) Shaping
After washing and drying, the fabric is subjected to pre-shrinking and heat setting until the fabric obtains a certain width and gram weight. Heat setting temperature of 130 deg.C, time of 3min,
(7) finished product
And (4) performing centralized classified discharge on the treated fabric, and dividing according to the cotton yarn content and the color of the fabric.
Wherein; the indigo dyeing process flow is as follows: yarn feeding → padding penetrant + caustic soda (3 g/L) → cold padding water → normal temperature padding dye solution → water washing (cold water, acid fixation) → drying → yarn discharging.
Wherein; the yarn is selected from volcanic heat storage functional yarn, cotton yarn and lycra elastic fiber, and is woven by adopting a twill weave structure.
Wherein; the threading mode is that volcanic rock functional yarn is crossed and penetrated, the volcanic rock surface is a looping surface and is used as a surface close to the skin, and heat storage and warm keeping are realized; crossing and penetrating cotton yarns; lecaisi is fed into each path, so that the elasticity of the fabric can be guaranteed, and the heat storage and warm keeping capacity of the fabric can be improved.
Wherein; the volcanic heat storage functional yarn is prepared by using volcanic heat storage functional yarn, cotton yarn and lycra as raw materials, wherein the cotton yarn has three different specifications of 10S, 21S and 40S, and the yarn is dyed and then woven.
Wherein; the lycra fabric is a high-elastic fabric with the content of spandex filament in the fabric being 15%, and the close-fitting garment of the fabric is not tightly bound; the clothing has better drapability due to the degree of opening and closing and fit without restraint.
Wherein; indigo needs to be reduced before dyeing, and sodium hydrosulfite is generally used, but the sodium hydrosulfite is poor in stability and easy to decompose to generate a mixture of sulfides, Chemical Oxygen Demand (COD) in dyeing wastewater is high, and the environment is seriously polluted.
Wherein; the volcanic rock heat storage functional yarn is prepared by dyeing yarns and weaving, wherein the yarns are prepared from volcanic rock heat storage functional yarn, cotton yarn and lycra, the cotton yarn has three different specifications of 10S, 21S and 40S respectively. When the novel knitted jean-like fabric is woven, a twill weave structure is adopted for weaving, the front side yarns are all looped, the back side yarns and the front side yarns are in a tucked or floating non-woven state, the back side yarns and the front side yarns are woven to be used as front side clothes, the novel knitted jean-like fabric is developed, and the finally obtained fabric is fashionable, has the functions of heat storage and warm keeping and is suitable for being used as the fabric of autumn and winter men.
Wherein; the sodium hydrosulfite is replaced by the reducing agent, the sodium hydrosulfite has higher stability compared with the reducing agent, the composite reducing agent has good chemical stability at normal temperature, is nontoxic and odorless, cannot detect sulfur ions in aqueous solution, effectively reduces the generation of odor and sulfur-containing wastewater, meets the requirements of environmental protection and green production, and can ensure the quality of products.
Wherein; the threading mode is that the 1 st, 3 rd and 5 th F threads volcanic rock functional yarn, the volcanic rock surface is a looping surface and is used as a surface close to the skin, and heat is stored and kept; the 2 nd, the 4 th and the 6 th penetrate cotton yarns; lecaisi was fed to each lane.
Example two
1. A heat storage knitted denim fabric and a processing technology thereof are characterized by comprising the following steps: dyeing, weaving, softening finishing, washing, shaping and finishing yarns and yarns,
(1) yarn
Selecting several groups of yarns with different yarn count specifications as comparison, investigating the influence of yarn selection on the hand feeling and gram weight heat preservation of a finished product, selecting yarns by using volcanic rock heat storage functional yarns, cotton yarns and lycra elastic fibers as raw materials, and weaving by adopting a twill weave structure, wherein the lycra fabric is a high-elastic fabric with the content of spandex filaments in the fabric being 15%, and the close-fitting garment of the fabric is not tightly bound; the clothing has better drapability due to the degree of opening and closing and fit without constraint;
75D volcanic rock, 10S cotton, 105D Lycra,
② 75D volcanic rock multiplied by 21S cotton multiplied by 105D lycra,
③ 75D volcanic rock, 40S cotton, 105D lycra,
(2) yarn dyeing
Firstly, adding water and sodium hydroxide, heating the mixture to 45 ℃ at a heating speed of 5 ℃ per minute, adding the indigo dye, stirring for 25min, adding the composite reducing agent, stirring for 6min, standing for 40min, and then adding water, wherein the indigo dyeing process flow is as follows: yarn feeding → padding penetrating agent + caustic soda (3 g/L) → padding cold water → normal temperature padding dye solution → water washing (cold water, acid fixation) → drying → yarn discharging; the volcanic heat storage functional yarn, the cotton yarn and the lycra are used as raw materials, wherein the cotton yarn has three different specifications of 10S, 21S and 40S, the yarn is dyed and then woven,
the indigo mother liquor reduction formula is as follows:
50/L of sodium hydroxide, 50g/L of composite reducing agent, 35g/L of indigo,
during dyeing, working solution dilutes indigo mother liquor to 1/20, the reducing agent is an environment-friendly composite reducing agent, and the reducing agent is non-toxic and odorless, and sulfur ions cannot be detected in aqueous solution, so that the generation of odor and sulfur-containing wastewater is effectively reduced
(3) Weaving
Weaving is finished by adopting a single-side circular knitting machine, the equipment parameters are 863.4mm (34') in cylinder diameter, 24 needles/25.4 mm in machine number, 128F in path number and 2544 needles in total number, the threading mode is that 1 st, 3 th and 5 th F penetrate volcanic rock functional yarn, the volcanic rock surface is a looping surface and is used as a surface close to the skin, and heat storage and insulation are realized; the 2 nd, the 4 th and the 6 th penetrate cotton yarns; the lycra silk is fed into each path,
as shown in fig. 2, 6F is a circulatory tissue,
(4) soft finish
The soft finishing method comprises a mechanical finishing method and a chemical finishing method, wherein the mechanical soft finishing method usually adopts a three-roller rubber pre-shrinking machine to properly reduce the operation temperature and pressure and accelerate the speed of the vehicle so as to obtain softer hand feeling; can also be subjected to soft finishing by a calender, and currently, the softening agent is mostly adopted for finishing,
the softening finishing process comprises the following steps: 1.5g/L of oil removing agent, 0.5g/L of refined emulsifier, 2.0g/L of softening agent, 85 ℃ and 20min,
(5) washing with water
The biological enzyme detergent can be used for washing the fabrics, the same effect of stone mill water washing can be achieved, the patterns are finer and more uniform than the stone mill, and the biological enzyme detergent has the advantages of no environmental pollution, no fabric damage and the like,
and (3) a water washing process:
cellulase 1.5% (o.w.f)
The time is 90min
The temperature is 65 DEG C
Bath ratio of 1: 10
(6) Shaping
After washing and drying, the fabric is subjected to pre-shrinking and heat setting until the fabric obtains a certain width and gram weight. Heat setting temperature of 130 deg.C, time of 3min,
(7) finished product
And (4) performing centralized classified discharge on the treated fabric, and dividing according to the cotton yarn content and the color of the fabric.
Wherein; the volcanic heat storage functional yarn, the cotton yarn and the lycra are used as raw materials, wherein the cotton yarn has three different specifications of 10S, 21S and 40S, the yarn is dyed firstly, weaving is carried out, a twill weave structure is adopted for weaving during weaving, the front yarn is completely looped, the back yarn and the front yarn are in a tucking or floating thread non-weaving state, the back yarn and the front yarn are woven to be used as front clothes, a novel knitted jean-like fabric is developed, and finally the obtained fabric is fashionable, has heat storage and warm keeping functions and is suitable for being used as a fabric of autumn and winter men.
Wherein; the sodium hydrosulfite is replaced by the reducing agent, the sodium hydrosulfite has higher stability compared with the reducing agent, the composite reducing agent has good chemical stability at normal temperature, is nontoxic and odorless, cannot detect sulfur ions in aqueous solution, effectively reduces the generation of odor and sulfur-containing wastewater, meets the requirements of environmental protection and green production, and can ensure the quality of products.
The working principle is as follows: firstly dyeing the yarn, and then weaving. When weaving, a twill weave structure is adopted for weaving, the front side yarns are all looped, the back side yarns and the front side yarns are in a tuck or float non-weaving state, and the back side is woven to be used as front side clothing.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A heat storage knitted denim fabric and a processing technology thereof are characterized by comprising the following steps: dyeing, weaving, softening finishing, washing, shaping and finishing yarns and yarns,
(1) yarn
Selecting several groups of yarns with different yarn count specifications as comparison, investigating the influence of the yarn selection on the hand feeling and the gram weight heat preservation of the finished product,
75D volcanic rock, 10S cotton, 105D Lycra,
② 75D volcanic rock multiplied by 21S cotton multiplied by 105D lycra,
③ 75D volcanic rock, 40S cotton, 105D lycra,
(2) yarn dyeing
Firstly, adding water and sodium hydroxide, heating the mixture to 45 ℃ at the heating speed of 5 ℃ per minute, adding indigo dye, stirring for 25min, adding a composite reducing agent, stirring for 6min, standing for 40min, adding water,
the indigo mother liquor reduction formula is as follows:
50/L of sodium hydroxide, 50g/L of composite reducing agent, 35g/L of indigo,
during dyeing, working solution dilutes indigo mother solution to 1/20,
(3) weaving
The yarn is sequentially bent into a loop,
the weaving is finished by a single-side circular knitting machine, the equipment parameters are the cylinder diameter 863.4mm (34 "), the machine number 24 needles/25.4 mm, the path number 128F and the total needle number 2544 needles,
when weaving, a twill weave structure is adopted for weaving, the front side yarns are all looped, the back side yarns and the front side yarns are in a tuck or float non-weaving state, and the back side is woven for front side clothing,
(4) soft finish
The soft finishing method comprises a mechanical finishing method and a chemical finishing method, wherein the mechanical soft finishing method usually adopts a three-roller rubber pre-shrinking machine to properly reduce the operation temperature and pressure and accelerate the speed of the vehicle so as to obtain softer hand feeling; can also be subjected to soft finishing by a calender, and currently, the softening agent is mostly adopted for finishing,
the softening finishing process comprises the following steps: 1.5g/L of oil removing agent, 0.5g/L of refined emulsifier, 2.0g/L of softening agent, 85 ℃ and 20min,
(5) washing with water
The biological enzyme detergent can be used for washing the fabrics, the same effect of stone mill water washing can be achieved, the patterns are finer and more uniform than the stone mill, and the biological enzyme detergent has the advantages of no environmental pollution, no fabric damage and the like,
and (3) a water washing process:
cellulase 1.5% (o.w.f)
pH 6
The time is 90min
The temperature is 65 DEG C
Bath ratio of 1: 10
(6) Shaping
After washing and drying, the fabric is subjected to pre-shrinking and heat setting until the fabric obtains a certain width and gram weight. Heat setting temperature of 130 deg.C, time of 3min,
(7) finished product
And (4) performing centralized classified discharge on the treated fabric, and dividing according to the cotton yarn content and the color of the fabric.
2. The heat storage knitted denim fabric and the processing technology thereof according to claim 1, characterized in that: the indigo dyeing process flow is as follows: yarn feeding → padding penetrant + caustic soda (3 g/L) → cold padding water → normal temperature padding dye solution → water washing (cold water, acid fixation) → drying → yarn discharging.
3. The heat storage knitted denim fabric and the processing technology thereof according to claim 3, characterized in that: the yarn is selected from volcanic heat storage functional yarn, cotton yarn and lycra elastic fiber, and is woven by adopting a twill weave structure.
4. The heat storage knitted denim fabric and the processing technology thereof according to claim 3, characterized in that: the yarn threading mode is that volcanic functional yarn is crossed and penetrated, and the volcanic surface is a looping surface and is used as a surface close to the skin, so that heat is stored and kept; crossing and penetrating cotton yarns; lecaisi is fed into each path, so that the elasticity of the fabric can be guaranteed, and the heat storage and warm keeping capacity of the fabric can be improved.
5. The heat storage knitted denim fabric and the processing technology thereof according to claim 3, characterized in that: the volcanic heat storage functional yarn, the cotton yarn and the lycra are used as raw materials, wherein the cotton yarn has three different specifications of 10S, 21S and 40S, and the yarn is dyed and then woven.
6. The heat storage knitted denim fabric and the processing technology thereof according to claim 5, characterized in that: the lycra fabric is a high-elastic fabric with the content of spandex filaments in the fabric being 15%, and the close-fitting garment of the fabric is not tightly bound; the clothing has better drapability due to the degree of opening and closing and fit without restraint.
7. The heat storage knitted denim fabric and the processing technology thereof according to claim 5, characterized in that: the reducing agent is an environment-friendly compound reducing agent, is non-toxic and odorless, cannot detect sulfur ions in an aqueous solution, and effectively reduces the generation of odor and sulfur-containing wastewater.
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