CN114108166A - Production process of intelligent temperature-adjusting sleeping bag fabric - Google Patents
Production process of intelligent temperature-adjusting sleeping bag fabric Download PDFInfo
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- CN114108166A CN114108166A CN202111287844.5A CN202111287844A CN114108166A CN 114108166 A CN114108166 A CN 114108166A CN 202111287844 A CN202111287844 A CN 202111287844A CN 114108166 A CN114108166 A CN 114108166A
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- 239000004744 fabric Substances 0.000 title claims abstract description 125
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 238000004043 dyeing Methods 0.000 claims abstract description 88
- 229920000742 Cotton Polymers 0.000 claims abstract description 54
- 239000000835 fiber Substances 0.000 claims abstract description 43
- 238000009941 weaving Methods 0.000 claims abstract description 31
- 238000009987 spinning Methods 0.000 claims abstract description 30
- 241000168254 Siro Species 0.000 claims abstract description 29
- 229920000433 Lyocell Polymers 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 26
- 238000004321 preservation Methods 0.000 claims abstract description 26
- 238000013329 compounding Methods 0.000 claims abstract description 21
- 238000010030 laminating Methods 0.000 claims abstract description 20
- 238000007493 shaping process Methods 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 230000018044 dehydration Effects 0.000 claims abstract description 11
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 11
- 229920000728 polyester Polymers 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000005406 washing Methods 0.000 claims description 34
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 24
- 238000009940 knitting Methods 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 18
- 238000003475 lamination Methods 0.000 claims description 16
- 238000009960 carding Methods 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 12
- 235000017550 sodium carbonate Nutrition 0.000 claims description 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 10
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000005554 pickling Methods 0.000 claims description 8
- 238000009835 boiling Methods 0.000 claims description 7
- 239000004831 Hot glue Substances 0.000 claims description 6
- 229960000583 acetic acid Drugs 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 239000012362 glacial acetic acid Substances 0.000 claims description 5
- 238000002791 soaking Methods 0.000 claims description 5
- 239000000344 soap Substances 0.000 claims description 5
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 5
- 235000011152 sodium sulphate Nutrition 0.000 claims description 5
- 206010033546 Pallor Diseases 0.000 claims description 3
- 239000013527 degreasing agent Substances 0.000 claims description 3
- 238000005237 degreasing agent Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 238000006386 neutralization reaction Methods 0.000 claims description 2
- 239000002759 woven fabric Substances 0.000 claims description 2
- 239000012782 phase change material Substances 0.000 abstract description 4
- 230000002269 spontaneous effect Effects 0.000 abstract description 4
- 206010020112 Hirsutism Diseases 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract description 2
- 239000000975 dye Substances 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000002932 luster Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000004513 sizing Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 229920002978 Vinylon Polymers 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000028016 temperature homeostasis Effects 0.000 description 2
- 241000876833 Emberizinae Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- -1 pickling Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000000985 reactive dye 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
- D04H1/4258—Regenerated cellulose series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
-
- 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
- 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
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/554—Wear resistance
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a production process of intelligent temperature-regulating sleeping bag fabric, which comprises the following steps: weaving → pretreatment → dyeing → dehydration → cutting width → drying → shaping → preshrinking → flocculus → laminating and compounding. The intelligent temperature-regulating sleeping bag fabric is characterized in that the fabric of the sleeping bag is prepared by mixing the lyocell temperature-regulating fiber with high content of the phase-change material and the polyester fiber, and then the mixture is used as the filler of the fabric of the sleeping bag, so that the fabric of the sleeping bag has a spontaneous bidirectional temperature-regulating function, and the comfort of a wearer can be improved. The siro compact spinning single jersey has even stripes and less hairiness, and has good wear resistance when being used as the front of the fabric. The hollow cotton single jersey is skin-friendly and soft on the back surface of the fabric, and the redundant air stored in the hollow structure can better play a role in heat preservation.
Description
Technical Field
The invention relates to the field of fabric production processes, in particular to a production process of fabric of an intelligent temperature-regulating sleeping bag.
Background
Along with the continuous promotion of people's standard of living, no matter be the bunting bag that is applicable to baby's sleep or be applicable to outdoor crowd's outdoor sleeping bag, all receive people's attention more and more. The comfort and the heat preservation of the sleeping bag are important indexes for measuring the quality of the sleeping bag. At present, the main sleeping bags in the market adopt chemical fiber cotton and down feather with hollow structures as filling materials in the fabric of the sleeping bags, and a large amount of air stored in the hollow structures is utilized to block the transmission of heat, so that the effect of keeping warm is achieved. The sleeping bag only can lock the temperature to keep warm, has no temperature adjusting function, and is difficult to release the temperature reasonably to provide a proper temperature for a human body.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the production process of the intelligent temperature-regulating sleeping bag fabric is provided, and the fabric manufactured by the production process can realize spontaneous regulation of the warm-keeping temperature when the environmental temperature changes.
In order to solve the problems, the technical scheme adopted by the invention is as follows: a production process of intelligent temperature-regulating sleeping bag fabric comprises the following production process steps: weaving → pretreatment → dyeing → dehydration → cutting width → drying → shaping → preshrinking → flocculus → laminating and compounding, which is characterized in that:
(1) in the weaving process: weaving two kinds of single-sided single jersey, wherein one kind of single-sided single jersey is formed by weaving siro compact spinning cotton yarns on a single-sided circular knitting machine, the other kind of single-sided single-jersey is formed by weaving hollow cotton yarns on a single-sided circular knitting machine, and the fineness of the siro compact spinning cotton yarns and the fineness of the hollow cotton yarns are both 26-60S;
(2) in the flocculus: carding and mixing the lyocell temperature-adjusting fiber and the polyester fiber on a carding machine, wherein: the feeding speed is 0.30-0.50 r/min, the main cylinder speed is 250-260 r/min, and the doffer speed is 8-9 r/min; the fiber net obtained by carding and mixing is paved into a three-layer net through a lapping machine, and then the three-layer net is needled and reinforced through a pre-needling machine, wherein the needling depth is 7-10 mm, and the needling density is 2-4 pieces/cm2Finally, obtaining a mixed fiber felt flocculus, wherein the mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 20-35%;
(3) in lamination compounding: laminating and compounding by taking siro compact spinning single jersey as the front side, hollow cotton single jersey as the back side and wadding sheets as fillers in the middle to obtain the required sleeping bag fabric, wherein the hot melt adhesive used in laminating and compounding is EVA, and the gluing amount is 10-30 g/m2Laminating temperature is 100-130 ℃, and laminating pressure is 2-4 kgf/cm2And laminating for 5-25 s.
Further, the production process of the intelligent temperature-regulating sleeping bag fabric comprises the following steps: in the pretreatment: firstly, pre-setting two kinds of woven fabrics on a setting machine so as to ensure the dimensional stability of the fabrics, wherein the pre-setting temperature is 165-175 ℃, and the pre-setting speed is 16-22 m/min; then, a dyeing vat of a dyeing machine is filled with water according to a bath ratio of 1:5, 2-3.5 g/L of TF-125 refined penetrant and 0.5-1.5 g/L of Libang degreasing agent are added into the dyeing machine, then the solution of the dyeing vat is heated to 80-90 ℃, then the two fabrics are placed into the dyeing vat for heat preservation and blanching for 30-40 min, and then liquid drainage, cold water washing, acid washing, hot water soaking, water washing and dehydration are carried out.
Further, the production process of the intelligent temperature-regulating sleeping bag fabric comprises the following steps: during dyeing: firstly, adding water into a dyeing machine according to a bath ratio of 1:5, heating a solution of the dyeing machine to 35-45 ℃ at a speed of 1-1.5 ℃/min, putting two kinds of cloth into a dye vat of the dyeing machine, adding 1-1.8% of active dye, 20-30 g/L of anhydrous sodium sulphate and 0.5-1.5 g/L of bis-peptide chelating dispersant into the dyeing machine, wherein the total adding time of the three materials is 5-10 min, and then, carrying out heat preservation operation of the dyeing machine for 20-25 min; secondly, the total amount of the soda ash is 10-15 g/L, firstly adding 1/3 soda ash, then carrying out heat preservation operation on a dyeing machine for 10-15 min, then adding the rest 2/3 soda ash, and then carrying out heat preservation operation on the dyeing machine for 10-15 min; thirdly, heating the solution of the dyeing machine to 55-65 ℃ at the speed of 1.5-2.5 ℃/min, and carrying out heat preservation operation on the dyeing machine for 60-80 min; then cooling the dyeing machine solution to 45-55 ℃ at the speed of 1-1.5 ℃/min, discharging liquid, and then washing, pickling, soap boiling, washing and washing; and fourthly, feeding water into the dyeing machine according to a bath ratio of 1:5, adding 0.5-1 g/L of glacial acetic acid to perform neutralization and water washing on the fabric for 15-20 min, discharging liquid, then performing normal-temperature water washing on the fabric for 10-20 min, discharging the liquid, and taking the fabric out of the vat.
Further, the production process of the intelligent temperature-regulating sleeping bag fabric comprises the following steps: and (3) drying: and drying the two kinds of cloth on a tension-free dryer at the drying temperature of 80-90 ℃ at the drying speed of 10-15 m/min.
Further, the production process of the intelligent temperature-regulating sleeping bag fabric comprises the following steps: in the shaping: the setting temperature is 140-150 ℃, the setting speed is 18-26 m/min, the upper setting dislocation is 110-115%, the lower setting dislocation is 100-108%, and the wind pressure of the fan is 90-110 KPa.
Further, the production process of the intelligent temperature-regulating sleeping bag fabric comprises the following steps: in pre-shrinking: the pre-shrinking temperature is 110-120 ℃, the pre-shrinking speed is 16-22 m/min, the tension is 0.7-1.1N, and the dislocation is 110-125 m.
Further, the production process of the intelligent temperature-regulating sleeping bag fabric comprises the following steps: one option is: the fineness of the siro compact spinning cotton yarn is 40-60S as same as that of the hollow cotton yarn, and the gram weight of the two kinds of woven cloth is 100-120 g/m2The mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 30-35%, and the gram weight of the flocculus is 90-110 g/m2The gram weight of the fabric of the sleeping bag is 290-350 g/m2。
Further, the production process of the intelligent temperature-regulating sleeping bag fabric comprises the following steps: another option is that: the fineness of the siro compact spinning cotton yarn is 32-40S as same as that of the hollow cotton yarn, and the gram weight of the two kinds of woven cloth is 120-140 g/m2Of lyocell thermoregulation fibres in battsThe mass percentage is 25-30%, and the flake gram weight is 110-130 g/m2The gram weight of the fabric of the sleeping bag is 350-410 g/m2。
Further, the production process of the intelligent temperature-regulating sleeping bag fabric comprises the following steps: and (3) third selection: the fineness of the siro compact spinning cotton yarn is 26-32S as same as that of the hollow cotton yarn, and the gram weight of the two kinds of woven cloth is 140-160 g/m2The mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 20-25%, and the gram weight of the flocculus is 130-150 g/m2The gram weight of the fabric of the sleeping bag is 410-470 g/m2。
Further, the production process of the intelligent temperature-regulating sleeping bag fabric comprises the following steps: the knitting single-side circular knitting machine is a circular knitting machine with a stitch distance of 30 inches and 32 or 34 needles.
The invention has the advantages that: the intelligent temperature-regulating sleeping bag fabric is characterized in that the fabric of the sleeping bag is prepared by mixing the lyocell temperature-regulating fiber with high content of the phase-change material and the polyester fiber, and then the mixture is used as the filler of the fabric of the sleeping bag, so that the fabric of the sleeping bag has a spontaneous bidirectional temperature-regulating function, and the comfort of a wearer can be improved. The siro compact spinning single jersey has even stripes and less hairiness, and has good wear resistance when being used as the front of the fabric. The hollow cotton single jersey is skin-friendly and soft on the back surface of the fabric, and the redundant air stored in the hollow structure can better play a role in heat preservation.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1
A production process of intelligent temperature-regulating sleeping bag fabric comprises the following production process steps: weaving → pretreatment → dyeing → dehydration → slitting → drying → sizing → preshrinking → flocculus → laminating and compounding;
(1) in the weaving process: weaving two kinds of single-sided single jersey, wherein one kind of single-sided single jersey is formed by weaving siro compact spinning cotton yarns on a 30-inch 34-needle knitting single-sided circular knitting machine, the other kind of single-sided single jersey is formed by weaving hollow cotton yarns on a 30-inch 34-needle knitting single-sided circular knitting machine, the fineness of the siro compact spinning cotton yarns and the fineness of the hollow cotton yarns are both 50S, and the gram weight of the two kinds of cloth obtained by weaving are the sameAre all 110g/m2；
(2) In the pretreatment: firstly, pre-setting two kinds of cloth obtained by weaving on a setting machine so as to ensure the dimensional stability of the fabric, wherein the pre-setting temperature is 165 ℃, and the pre-setting speed is 18 m/min; then, adding water into a dyeing vat of a dyeing machine according to a bath ratio of 1:5, then adding 2.5g/L of TF-125 refined penetrant and 0.5g/L of Liangsheng degreasing agent into the dyeing machine, then heating the solution in the dyeing vat to 80 ℃, then putting the two fabrics into the dyeing vat for heat preservation and blanching for 35min, then discharging the liquid, washing with cold water, pickling, soaking in hot water, washing with water, and dehydrating;
(3) during dyeing: firstly, putting a dyeing machine into water according to a bath ratio of 1:5, heating a solution of the dyeing machine to 40 ℃ at the speed of 1 ℃/min, putting two kinds of cloth into a dye vat of the dyeing machine, adding 1.2% of active dye HF-2GR, 20g/L of anhydrous sodium sulphate and 0.5g/L of bis-peptide chelating dispersant of the total weight of the cloth into the dyeing machine, wherein the total adding time of the three materials is 7min, and then, carrying out heat preservation operation of the dyeing machine for 20 min; secondly, adding 1/3 sodium carbonate, carrying out heat preservation operation for 10min, adding the rest 2/3 sodium carbonate, and carrying out heat preservation operation for 10 min; thirdly, heating the solution of the dyeing machine to 60 ℃ at the speed of 1.5 ℃/min, and keeping the temperature of the dyeing machine for 60 min; then cooling the dyeing machine solution to 50 ℃ at the speed of 1 ℃/min, discharging liquid, and then washing, pickling, soap boiling, washing and washing; fourthly, feeding water into the dyeing machine according to a bath ratio of 1:5, adding 0.5g/L glacial acetic acid to neutralize and wash the fabric for 15min, discharging liquid, washing the fabric for 10min at normal temperature, discharging the liquid, and taking the fabric out of the vat;
(4) in the actual production process, dehydration and slitting can be carried out on a CORINO water squeezing and slitting integrated machine produced in Italy;
(5) and (3) drying: drying the two kinds of cloth on a tension-free dryer produced by Shandong Taida dyeing and finishing machinery Limited, wherein the drying temperature is 85 ℃ and the drying speed is 10 m/min;
(6) in the shaping: setting temperature is 140 ℃, setting speed is 20m/min, setting upper excess is 110%, setting lower excess is 100%, and wind pressure of a fan is 100 KPa; the shaping is carried out on a German Bruckner shaping machine;
(7) in pre-shrinking: the pre-shrinking temperature is 110 ℃, the pre-shrinking speed is 18m/min, the tension is 0.8N, the position is over 115m, the pre-shrinking is carried out on a Later Kam500 pre-shrinking machine, the pre-shrinking can further improve the quality and the dimensional stability of the cloth, improve the physical properties of the cloth or protect the surface quality of the cloth, if the cloth has hand feeling and visual feeling, color and luster, eliminate crease marks, improve the fullness and the surface finish, and improve the uniformity and the skewness of the warp and weft density;
(8) in the flocculus: carding and mixing the lyocell temperature-adjusting fiber and the polyester fiber on a carding machine, wherein: the feeding speed is 0.30r/min, the main cylinder speed is 250r/min, and the doffer speed is 8 r/min; the fiber net obtained by carding and mixing is paved into a three-layer net by a lapping machine, and then the three-layer net is needled and reinforced by a pre-needling machine, wherein the needling depth is 7mm, and the needling density is 2.5 pieces/cm2Finally obtaining the mixed fiber felt flocculus, wherein the mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 30 percent, and the gram weight of the flocculus is 100g/m2；
(9) In lamination compounding: the siro compact spinning single jersey is taken as the front side, the hollow cotton single jersey is taken as the back side, and the wadding sheet is taken as the filler for lamination and compounding, thereby obtaining the required sleeping bag fabric with the gram weight of 320g/m2The hot melt adhesive used in lamination and compounding is EVA, and the gluing amount is 10g/m2Laminating temperature of 110 ℃ and laminating pressure of 2kgf/cm2Lamination time 15 s.
The fineness of the siro compact spinning cotton yarn is 40-60S as same as that of the hollow cotton yarn, and the gram weight of the two kinds of woven cloth is 100-120 g/m2The mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 30-35%, and the gram weight of the flocculus is 90-110 g/m2The gram weight of the fabric of the sleeping bag is 290-350 g/m2The sleeping bag fabric meeting the conditions is suitable for manufacturing a summer sleeping bag.
Example 2
A production process of intelligent temperature-regulating sleeping bag fabric comprises the following production process steps: weaving → pretreatment → dyeing → dehydration → slitting → drying → sizing → preshrinking → flocculus → laminating and compounding;
(1) in the weaving process: weaving two kinds of single-sided single jersey, one kind is the siro compact spinning single jersey which is formed by weaving siro compact spinning cotton yarn on a 30-inch 34-needle knitting single-sided circular knitting machine, and the other kind isThe hollow cotton single jersey is formed by weaving hollow cotton yarns on a 30-inch 34-needle knitting single-side circular knitting machine, the siro compact spinning cotton yarns and the hollow cotton yarns have the same fineness of 32S, and the gram weights of the two weaved cloths are 130g/m2；
(2) In the pretreatment: firstly, pre-setting two kinds of cloth obtained by weaving on a setting machine so as to ensure the dimensional stability of the fabric, wherein the pre-setting temperature is 170 ℃, and the pre-setting speed is 18 m/min; then, adding water into a dyeing vat of a dyeing machine according to a bath ratio of 1:5, then adding 3g/L of TF-125 refined penetrant and 1g/L of Libang deoiling agent into the dyeing machine, then heating the solution in the dyeing vat to 80 ℃, then putting the two fabrics into the dyeing vat for heat preservation, bleaching and boiling for 30min, then discharging the liquid, washing with cold water, pickling, soaking in hot water, washing with water, and dehydrating;
(3) during dyeing: firstly, putting a dyeing machine into water according to a bath ratio of 1:5, heating the solution of the dyeing machine to 40 ℃ at the speed of 1 ℃/min, putting two kinds of cloth into a dye vat of the dyeing machine, adding 1.5% of active dye EBT-RFT, 25g/L of anhydrous sodium sulphate and 0.5g/L of associated-peptide chelating dispersant into the dyeing machine, wherein the total adding time of the three materials is 5min, and then carrying out heat preservation operation of the dyeing machine for 25 min; secondly, adding 1/3 sodium carbonate, carrying out heat preservation operation for 15min, adding the rest 2/3 sodium carbonate, and carrying out heat preservation operation for 15 min; thirdly, heating the solution of the dyeing machine to 60 ℃ at the speed of 1.5 ℃/min, and keeping the temperature of the dyeing machine for 70 min; then cooling the dyeing machine solution to 50 ℃ at the speed of 1 ℃/min, discharging liquid, and then washing, pickling, soap boiling, washing and washing; fourthly, feeding water into the dyeing machine according to a bath ratio of 1:5, adding 0.5g/L glacial acetic acid to neutralize and wash the fabric for 15min, discharging liquid, washing the fabric for 10min at normal temperature, discharging the liquid, and taking the fabric out of the vat;
(4) in the actual production process, dehydration and slitting can be carried out on a CORINO water squeezing and slitting integrated machine produced in Italy;
(5) and (3) drying: drying the two kinds of cloth on a tension-free dryer produced by Shandong Taida dyeing and finishing machinery Limited, wherein the drying temperature is 85 ℃ and the drying speed is 15 m/min;
(6) in the shaping: setting temperature is 140 ℃, setting speed is 22m/min, setting upper excess is 112%, setting lower excess is 100%, and wind pressure of a fan is 100 KPa; the shaping is carried out on a German Bruckner shaping machine;
(7) in pre-shrinking: the pre-shrinking temperature is 110 ℃, the pre-shrinking speed is 18m/min, the tension is 1N, the super position is 120m, the pre-shrinking is carried out on a Later Kam500 pre-shrinking machine, the pre-shrinking can further improve the quality and the dimensional stability of the cloth, improve the physical properties of the cloth or protect the surface quality of the cloth, if the cloth has hand feeling and visual feeling, color and luster, eliminate creases, improve the fullness and the surface finish, and improve the uniformity of the warp and weft density and the weft skew;
(8) in the flocculus: carding and mixing the lyocell temperature-adjusting fiber and the polyester fiber on a carding machine, wherein: the feeding speed is 0.4r/min, the main cylinder speed is 250r/min, and the doffer speed is 8 r/min; the fiber net obtained by carding and mixing is paved into a three-layer net by a lapping machine, and then the three-layer net is needled and reinforced by a pre-needling machine, wherein the needling depth is 8mm, and the needling density is 2.5 pieces/cm2Finally obtaining the mixed fiber felt flocculus, wherein the mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 25 percent, and the gram weight of the flocculus is 120g/m2；
(9) In lamination compounding: the siro compact spinning single jersey is taken as the front side, the hollow cotton single jersey is taken as the back side, and the wadding sheet is taken as the filler for lamination and compounding, thereby obtaining the required sleeping bag fabric with the gram weight of 380g/m2The hot melt adhesive used in lamination and compounding is EVA, and the gluing amount is 20g/m2Laminating temperature 120 ℃ and laminating pressure 3kgf/cm2Lamination time 15 s.
The fineness of the siro compact spinning cotton yarn is 32-40S as same as that of the hollow cotton yarn, and the gram weight of the two kinds of woven cloth is 120-140 g/m2The mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 25-30%, and the gram weight of the flocculus is 110-130 g/m2The gram weight of the fabric of the sleeping bag is 350-410 g/m2The sleeping bag fabric meeting the conditions is suitable for manufacturing a season-turning sleeping bag.
Example 3
A production process of intelligent temperature-regulating sleeping bag fabric comprises the following production process steps: weaving → pretreatment → dyeing → dehydration → slitting → drying → sizing → preshrinking → flocculus → laminating and compounding;
(1) in the weaving process: weaving two kinds of single-sided single jersey, wherein one kind of single-sided single jersey is formed by weaving siro compact spinning cotton yarns on a 30-inch 32-needle knitting single-sided circular knitting machine, the other kind of single-sided single jersey is formed by weaving hollow cotton yarns on a 30-inch 32-needle knitting single-sided circular knitting machine, the fineness of the siro compact spinning cotton yarns and the fineness of the hollow cotton yarns are both 26S, and the gram weight of the two kinds of single jersey woven by weaving are both 150g/m2；
(2) In the pretreatment: firstly, pre-setting two kinds of cloth obtained by weaving on a setting machine so as to ensure the dimensional stability of the fabric, wherein the pre-setting temperature is 170 ℃, and the pre-setting speed is 20 m/min; then, adding 3g/L of TF-125 refined penetrant and 1.5g/L of Lisheng oil removal agent into a dyeing machine by using a dyeing machine with a bath ratio of 1:5, heating the solution in the dyeing machine to 90 ℃, then putting the two fabrics into the dyeing cylinder, carrying out heat preservation, bleaching and boiling for 40min, then discharging liquid, washing in cold water, pickling, soaking in hot water, washing in water and dehydrating;
(3) during dyeing: firstly, putting a dyeing machine into water according to a bath ratio of 1:5, heating a solution of the dyeing machine to 40 ℃ at the speed of 1.5 ℃/min, putting two kinds of cloth into a dye vat of the dyeing machine, adding 1.6% of reactive dye KBF, 25g/L of anhydrous sodium sulphate and 1.5g/L of bis-peptide chelating dispersant of the total weight of the cloth into the dyeing machine, wherein the total adding time of the three materials is 10min, and then carrying out heat preservation operation of the dyeing machine for 25 min; secondly, adding 1/3 sodium carbonate, carrying out heat preservation operation for 15min, adding the rest 2/3 sodium carbonate, and carrying out heat preservation operation for 15 min; thirdly, heating the solution of the dyeing machine to 60 ℃ at the speed of 2.0 ℃/min, and keeping the temperature of the dyeing machine for 80 min; then cooling the dyeing machine solution to 50 ℃ at the speed of 1.5 ℃/min, discharging liquid, and then washing with water, pickling, soap boiling, washing with water and washing with water; fourthly, feeding water into the dyeing machine according to a bath ratio of 1:5, adding 0.8g/L glacial acetic acid to neutralize and wash the fabric for 20min, discharging liquid, washing the fabric for 15min at normal temperature, discharging the liquid, and taking the fabric out of the vat;
(4) in the actual production process, dehydration and slitting can be carried out on a CORINO water squeezing and slitting integrated machine produced in Italy;
(5) and (3) drying: drying the two kinds of cloth on a tension-free dryer produced by Shandong Taida dyeing and finishing machinery Limited, wherein the drying temperature is 90 ℃, and the drying speed is 15 m/min;
(6) in the shaping: setting temperature is 150 ℃, setting speed is 25m/min, setting upper excess is 115%, setting lower excess is 108%, and wind pressure of a fan is 100 KPa; the shaping is carried out on a German Bruckner shaping machine;
(7) in pre-shrinking: the pre-shrinking temperature is 120 ℃, the pre-shrinking speed is 22m/min, the tension is 1.1N, the stretching is over 125m, the pre-shrinking is carried out on a Later Kam500 pre-shrinking machine, the pre-shrinking can further improve the quality and the dimensional stability of the cloth, improve the physical properties of the cloth or protect the surface quality of the cloth, if the cloth has hand feeling and visual feeling, color and luster, eliminate crease marks, improve the fullness and the surface finish, and improve the uniformity and the skewness of the warp and weft density;
(8) in the flocculus: carding and mixing the lyocell temperature-adjusting fiber and the polyester fiber on a carding machine, wherein: the feeding speed is 0.50r/min, the main cylinder speed is 260r/min, and the doffer speed is 9 r/min; the fiber net obtained by carding and mixing is paved into a three-layer net by a lapping machine, and then the three-layer net is needled and reinforced by a pre-needling machine, wherein the needling depth is 10mm, and the needling density is 3 pieces/cm2Finally obtaining the mixed fiber felt flocculus, wherein the mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 20 percent, and the gram weight of the flocculus is 140g/m2；
(9) In lamination compounding: the siro compact spinning single jersey is taken as the front side, the hollow cotton single jersey is taken as the back side, and the wadding sheet is taken as the filler for lamination and compounding, thereby obtaining the required sleeping bag fabric with the gram weight of 440g/m2The hot melt adhesive used in lamination and compounding is EVA, and the gluing amount is 30g/m2Lamination temperature 130 ℃ and lamination pressure 4kgf/cm2Lamination time 25 s.
The fineness of the siro compact spinning cotton yarn is 26-32S as same as that of the hollow cotton yarn, and the gram weight of the two kinds of woven cloth is 140-160 g/m2The mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 20-25%, and the gram weight of the flocculus is 130-150 g/m2The gram weight of the fabric of the sleeping bag is 410-470 g/m2The sleeping bag fabric meeting the conditions is suitable for manufacturing a winter sleeping bag.
The Liangsheng deoiling agent is produced by Suzhou Lisheng chemical company, the Lisheng chelating disperser is produced by Suzhou Lisheng chemical company, and the TF-125 refined penetrant is produced by Zhejiang chemical company.
Lyocell temperature-regulating fibers, polyester fibers, siro compact spinning cotton yarns, hollow cotton yarns are all commercially available materials. The lyocell thermoregulation fiber is produced by Shanghai Ordoku Auer development Limited, the hollow cotton yarn is produced by Shandong Weifang Jinyi yarn, and the EVA hot melt adhesive is produced by Jiangyang Weitao Plastic New Material Limited.
By utilizing the characteristic that the phase-change material is changed from a solid state to a liquid state when the environmental temperature is increased and is changed from a liquid state to a solid state when the environmental temperature is reduced, the microcapsules of the phase-change material are added in the process of spinning the lyocell fiber, so that the lyocell temperature-adjusting fiber capable of intelligently controlling the temperature is obtained, and when the environmental temperature is changed, the lyocell temperature-adjusting fiber can realize the spontaneous temperature adjustment.
The siro compact spinning single jersey has even stripes and less hairiness, and has good wear resistance when being used as the front of the fabric.
The hollow cotton yarn is made by blending cotton and water-soluble vinylon according to the proportion of 80%/20%, in the conventional dyeing process of the fabric, the water-soluble vinylon is completely dissolved in water to form the cotton yarn with the hollow structure, the hollow cotton single jersey is used as the back surface of the fabric, is skin-friendly and soft, and the redundant air stored in the hollow structure can better play a role in heat preservation.
The 30 inch 32 needles on the knitting single jersey machine refer to: the cylinder of the circular knitting machine had a diameter of 30 inches and 32 needles per inch of cylinder.
Claims (10)
1. A production process of intelligent temperature-regulating sleeping bag fabric comprises the following production process steps: weaving → pretreatment → dyeing → dehydration → cutting width → drying → shaping → preshrinking → flocculus → laminating and compounding, which is characterized in that:
(1) in the weaving process: weaving two kinds of single-sided single jersey, wherein one kind of single-sided single jersey is formed by weaving siro compact spinning cotton yarns on a single-sided circular knitting machine, the other kind of single-sided single-jersey is formed by weaving hollow cotton yarns on a single-sided circular knitting machine, and the fineness of the siro compact spinning cotton yarns and the fineness of the hollow cotton yarns are both 26-60S;
(2) in the flocculus: carding and mixing the lyocell temperature-adjusting fiber and the polyester fiber on a carding machine, wherein: the feeding speed is 0.30-0.50 r/min, the main cylinder speed is 250-260 r/min, and the doffer speed is 8-9 r/min; the fiber net obtained by carding and mixing is paved into a three-layer net through a lapping machine, and then the three-layer net is needled and reinforced through a pre-needling machine, wherein the needling depth is 7-10 mm, and the needling density is 2-4 pieces/cm2Finally, obtaining a mixed fiber felt flocculus, wherein the mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 20-35%;
(3) in lamination compounding: laminating and compounding by taking siro compact spinning single jersey as the front side, hollow cotton single jersey as the back side and wadding sheets as fillers in the middle to obtain the required sleeping bag fabric, wherein the hot melt adhesive used in laminating and compounding is EVA, and the gluing amount is 10-30 g/m2Laminating temperature is 100-130 ℃, and laminating pressure is 2-4 kgf/cm2And laminating for 5-25 s.
2. The production process of the fabric of the intelligent temperature-adjusting sleeping bag according to claim 1, characterized in that: in the pretreatment: firstly, pre-setting two kinds of woven fabrics on a setting machine so as to ensure the dimensional stability of the fabrics, wherein the pre-setting temperature is 165-175 ℃, and the pre-setting speed is 16-22 m/min; then, a dyeing vat of a dyeing machine is filled with water according to a bath ratio of 1:5, 2-3.5 g/L of TF-125 refined penetrant and 0.5-1.5 g/L of Libang degreasing agent are added into the dyeing machine, then the solution of the dyeing vat is heated to 80-90 ℃, then the two fabrics are placed into the dyeing vat for heat preservation and blanching for 30-40 min, and then liquid drainage, cold water washing, acid washing, hot water soaking, water washing and dehydration are carried out.
3. The production process of the fabric of the intelligent temperature-adjusting sleeping bag according to claim 2, characterized in that: during dyeing: firstly, adding water into a dyeing machine according to a bath ratio of 1:5, heating a solution of the dyeing machine to 35-45 ℃ at a speed of 1-1.5 ℃/min, putting two kinds of cloth into a dye vat of the dyeing machine, adding 1-1.8% of active dye, 20-30 g/L of anhydrous sodium sulphate and 0.5-1.5 g/L of bis-peptide chelating dispersant into the dyeing machine, wherein the total adding time of the three materials is 5-10 min, and then, carrying out heat preservation operation of the dyeing machine for 20-25 min; secondly, the total amount of the soda ash is 10-15 g/L, firstly adding 1/3 soda ash, then carrying out heat preservation operation on a dyeing machine for 10-15 min, then adding the rest 2/3 soda ash, and then carrying out heat preservation operation on the dyeing machine for 10-15 min; thirdly, heating the solution of the dyeing machine to 55-65 ℃ at the speed of 1.5-2.5 ℃/min, and carrying out heat preservation operation on the dyeing machine for 60-80 min; then cooling the dyeing machine solution to 45-55 ℃ at the speed of 1-1.5 ℃/min, discharging liquid, and then washing, pickling, soap boiling, washing and washing; and fourthly, feeding water into the dyeing machine according to a bath ratio of 1:5, adding 0.5-1 g/L of glacial acetic acid to perform neutralization and water washing on the fabric for 15-20 min, discharging liquid, then performing normal-temperature water washing on the fabric for 10-20 min, discharging the liquid, and taking the fabric out of the vat.
4. The process for producing the fabric of the intelligent temperature-adjusting sleeping bag according to the claim 1, the process comprises the following steps: and (3) drying: and drying the two kinds of cloth on a tension-free dryer at the drying temperature of 80-90 ℃ at the drying speed of 10-15 m/min.
5. The process for producing the fabric of the intelligent temperature-adjusting sleeping bag according to the claim 1, the process comprises the following steps: in the shaping: the setting temperature is 140-150 ℃, the setting speed is 18-26 m/min, the upper setting dislocation is 110-115%, the lower setting dislocation is 100-108%, and the wind pressure of the fan is 90-110 KPa.
6. The process for producing the fabric of the intelligent temperature-adjusting sleeping bag according to the claim 1, the process comprises the following steps: in pre-shrinking: the pre-shrinking temperature is 110-120 ℃, the pre-shrinking speed is 16-22 m/min, the tension is 0.7-1.1N, and the dislocation is 110-125 m.
7. The process for producing the fabric of the intelligent temperature-adjusting sleeping bag according to the claim 1, the process comprises the following steps: the fineness of the siro compact spinning cotton yarn is 40-60S as same as that of the hollow cotton yarn, and the gram weight of the two kinds of woven cloth is 100-120 g/m2The mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 30-35%, and the gram weight of the flocculus is 90-110 g/m2The gram weight of the fabric of the sleeping bag is 290-350 g/m2。
8. The process for producing the fabric of the intelligent temperature-adjusting sleeping bag according to the claim 1, the process comprises the following steps: the fineness of the siro compact spinning cotton yarn is 32-40S as same as that of the hollow cotton yarn, and the gram weight of the two kinds of woven cloth is 120-140 g/m2The mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 25-30%, and the gram weight of the flocculus is 110-130 g/m2The gram weight of the fabric of the sleeping bag is 350-410 g/m2。
9. The process for producing the fabric of the intelligent temperature-adjusting sleeping bag according to the claim 1, the process comprises the following steps: the fineness of the siro compact spinning cotton yarn is 26-32S as same as that of the hollow cotton yarn, and the gram weight of the two kinds of woven cloth is 140-160 g/m2The mass ratio of the lyocell temperature-adjusting fiber in the flocculus is 20-25%, and the gram weight of the flocculus is 130-150 g/m2The gram weight of the fabric of the sleeping bag is 410-470 g/m2。
10. The process for producing the fabric of the intelligent temperature-adjusting sleeping bag according to the claim 1, the process comprises the following steps: the knitting single-side circular knitting machine is a circular knitting machine with a stitch distance of 30 inches and 32 or 34 needles.
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