CN113463238A - Manufacturing process method for producing flame-retardant antibacterial yarn - Google Patents
Manufacturing process method for producing flame-retardant antibacterial yarn Download PDFInfo
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- CN113463238A CN113463238A CN202110809409.8A CN202110809409A CN113463238A CN 113463238 A CN113463238 A CN 113463238A CN 202110809409 A CN202110809409 A CN 202110809409A CN 113463238 A CN113463238 A CN 113463238A
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000003063 flame retardant Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 83
- 239000004642 Polyimide Substances 0.000 claims abstract description 42
- 229920001721 polyimide Polymers 0.000 claims abstract description 42
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 35
- 239000002994 raw material Substances 0.000 claims abstract description 32
- 229920000742 Cotton Polymers 0.000 claims abstract description 23
- 238000009960 carding Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000009987 spinning Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 238000002407 reforming Methods 0.000 claims description 6
- 239000002216 antistatic agent Substances 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- -1 graphite alkene Chemical class 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000002203 pretreatment Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 230000036541 health Effects 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 description 7
- 241000282414 Homo sapiens Species 0.000 description 2
- 241000168254 Siro Species 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 206010020112 Hirsutism Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/443—Heat-resistant, fireproof or flame-retardant yarns or threads
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
- D02G3/449—Yarns or threads with antibacterial properties
-
- 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
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
- D10B2101/122—Nanocarbons
-
- 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
- D10B2331/14—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
Abstract
The invention discloses a manufacturing process method for producing flame-retardant antibacterial yarns, which comprises the following operation steps: s1, preparing polyimide fiber raw strips: polyimide fiber is taken as a raw material, and the following treatment procedures are sequentially carried out: antistatic pretreatment of raw materials → upper groove of bale row → A002D plucker → A036B opener → A092A cotton feeder → A076C lap former → A186G cotton carding machine → polyimide fiber sliver; s2, preparing graphene fiber raw strips: taking graphene fiber as a raw material, and preparing raw strips by the following steps in sequence: the raw material pre-opening treatment → the bale row upper groove → A002D plucker → A036B opener → A092A cotton feeder → A076C lap former → A186G cotton carding machine → graphene fiber sliver. According to the manufacturing process method for producing the flame-retardant antibacterial yarn, provided by the invention, the polyimide fiber and the graphene fiber are used as raw materials, the blending proportion is 30% or more, the flame-retardant and antibacterial yarn is produced, and the protective effect on the daily life health of people can be achieved.
Description
Technical Field
The invention relates to the technical field of spinning methods, in particular to a manufacturing process method for producing flame-retardant antibacterial yarns.
Background
With the continuous progress of human society, electronic products become indispensable household and personal articles for human beings gradually, but the quality levels of the electronic products are not uniform, according to incomplete statistics, fire accidents caused by electronic product explosion all the year around are increased year by year, the caused consequences are more and more serious, the personal protection consciousness needs to be strengthened, various flame-retardant series protective clothing products are available in the market at present, but the flame-retardant protective clothing is only used when fire rescue occurs, most of household clothing does not have the flame-retardant function, so that the development of the flame-retardant protective clothing or working clothing is imperative, and the flame-retardant protective yarn becomes an important influencing factor.
The traditional flame-retardant yarn is made of chemical fiber (such as nylon and terylene) added with a flame retardant or coated with the flame retardant in the post-finishing stage, and the fiber main body is not flame-retardant and has poor temperature resistance. The yarns prepared from the aramid fibers are flame-retardant, but the temperature resistance is insufficient. With the increasing maturity of the technical process of polyimide fiber products, polyimide yarns prepared from the polyimide fibers are gradually raised, the polyimide fibers have incomparable advantages, the polyimide yarns are flame-retardant, can automatically extinguish after leaving a fire source (self-extinguishment after leaving fire), are smoke-free, non-toxic and free of molten drops, have the long-term use temperature of 300 ℃, but have poor spinnability, still have high price and cannot be truly civil, but still have good flame-retardant performance after being blended with various conventional fibers.
Graphene is a new material with a single-layer honeycomb structure formed by carbon atoms, and is a structural foundation of other dimensional carbon materials. Graphene has many unique properties, such as excellent antibacterial activity, far infrared function, negative ion release, high electron mobility, high thermal conductivity, good elasticity and rigidity, and the like. Therefore, assembling graphene into a macroscopic functional structure such as a fiber is an important way to realize practical application of graphene, and the fiber also has the intrinsic characteristics of graphene.
At present, fibers with flame retardant and antibacterial functions are not organically combined in the market, and yarns with excellent flame retardant and antibacterial properties are not available, but with the change of social development, people's requirements for garment fabrics tend to protect life health, and as common garments, the wearing performance of the fabric inevitably meets the wearing comfort requirement, so the fabric has certain hygroscopicity and good softness, and meanwhile, the fabric needs to have a certain flame retardant function in consideration of health factors, and the yarn and the fabric need to be developed.
Disclosure of Invention
The invention aims to provide a manufacturing process method for producing flame-retardant antibacterial yarns, which can produce flame-retardant and antibacterial yarns by using polyimide fibers and graphene fibers as raw materials in a blending ratio of 30% or more, and has stable product quality and high production efficiency.
In order to achieve the above purpose, the invention provides the following technical scheme: a manufacturing process method for producing flame-retardant antibacterial yarns comprises the following operation steps:
s1, preparing polyimide fiber raw strips: polyimide fiber is taken as a raw material, and the following treatment procedures are sequentially carried out: antistatic pretreatment of raw materials → upper groove of bale row → A002D plucker → A036B opener → A092A cotton feeder → A076C lap former → A186G cotton carding machine → polyimide fiber sliver;
s2, preparing graphene fiber raw strips: taking graphene fiber as a raw material, and preparing raw strips by the following steps in sequence: the raw material pre-opening treatment → the bale row upper groove → A002D plucker → A036B opener → A092A cotton feeder → A076C lap former → A186G cotton carding machine → graphene fiber sliver;
s3, arranging the polyimide fiber raw strips and the graphene fiber raw strips according to a certain proportion, and forming yarns through pre-drawing, head-drawing, end-drawing, roving, spinning and spooling, wherein: the number of the prepared yarns is 30-60, the proportion of the graphene fibers is 30-70%, and the proportion of the polyimide fibers is 70-30%.
Preferably, the specific operation method of the antistatic pretreatment of the polyimide fiber is as follows: open polyimide raw material package, evenly snatch from the disc through the A002D of reforming transform, inhale the pre-treatment chamber, carry out antistatic processing, dispose antistatic solution: the antistatic agent DK series is prepared by preparing solution concentration according to the proportion of 4-10% of the weight of raw materials, wherein the antistatic agent comprises the following components in parts by weight: water is 1:4, the temperature of the pretreatment chamber is 20-25 ℃, the humidity is 60-70%, the pretreatment chamber is covered by plastic paper and is covered for 24 hours, and then the plastic paper is packed according to the specified weight for standby.
Preferably, the graphene fiber pre-opening treatment in the step S2 specifically includes: evenly snatch the graphite alkene raw materials through the A002D of reforming transform from the disc, inhale and open the room, the fibre has become loose state, packs the fibre in unison again, packing weight size is unanimous with polyimide fiber raw materials.
Preferably, the drafting rollers for drawing, roving and spinning in step S3 all require antistatic treatment.
Preferably, in the step S3, the content of the polyimide fibers accounts for 40 to 70 percent of the total weight of the blended yarn, and the content of the graphene fibers accounts for 60 to 30 percent of the total weight of the blended yarn
Preferably, in the step S1, the carding machine a186G has a sliver ration of 17.1g/5m, a cylinder rotation speed of 330rpm, a licker-in rotation speed of 660rpm, a flat linear speed of 71mm/min, a spacing between a cotton feeding plate and a licker-in on the machine of 12 inches, and a spacing between the cylinder and the flat of 9, 8, 7, 8 inches; the height of the dust removing knife is flush with the machine frame, the angle is 90 degrees, and the relative humidity of a workshop is controlled to be 50-55 percent.
Preferably, in the carding machine A186G of the step S2, the dry weight of the raw sliver is 16g/5m, the rotating speed of a cylinder is 280rpm, the rotating speed of a licker-in is 560rpm, the linear speed of a cover plate is 84mm/min, the spacing between a cotton feeding plate and the licker-in on the carding machine is 12 English filaments, the spacing between the cylinder and the cover plate is 10, 9, 8 and 9 English filaments, the height of a dust removing knife is-5 mm of a machine frame, the angle is 90 degrees, and the relative humidity of a workshop is controlled to be 50-55 percent.
Preferably, in the step S3, two raw slivers of the polyimide fiber and the graphene fiber are respectively pre-combined on a drawing vehicle, the number of the drawing is three, and a self-leveling drawing machine with a vehicle speed of 120-300 m/min is not adopted.
Preferably, in the step S3, the yarn count is 30 to 40, the yarn draft multiple is 6 to 8 times, the total draft multiple of the spun yarn is 30 to 40 times, or 40 to 60 yarns, the roving draft multiple is 8 to 10 times, and the total draft multiple of the spun yarn is 40 to 50 times.
In the technical scheme, the manufacturing process method for producing the flame-retardant antibacterial yarn provided by the invention has the following beneficial effects: the flame-retardant antibacterial fabric has excellent flame-retardant and antibacterial properties, can play a role in protecting the daily life health of people in special environments, and can be used for indoor operation, tools in non-special industries, home wear and the like.
Detailed Description
The present invention will be described in further detail below in order to enable those skilled in the art to better understand the technical solution of the present invention.
A manufacturing process method for producing flame-retardant antibacterial yarn comprises the following steps: s1, preparing polyimide fiber raw strips: polyimide fiber is used as a raw material, and the raw sliver is prepared by the following steps in sequence: antistatic pretreatment of raw materials → upper groove of bale row → A002D plucker → A036B opener → A092A cotton feeder → A076C lap former → A186G cotton carding machine → polyimide fiber sliver; s2, preparing graphene fiber raw strips: taking graphene fiber as a raw material, and preparing raw strips by the following steps in sequence: the raw material pre-opening treatment → the bale row upper groove → A002D plucker → A036B opener → A092A cotton feeder → A076C lap former → A186G cotton carding machine → graphene fiber sliver; s3, preparing a polyimide/graphene fiber blended yarn: in the drawing process, polyimide fiber raw slivers and graphene fiber raw slivers are matched and arranged according to a certain proportion, and yarn is formed after pre-drawing, head-drawing, end-drawing, roving, spinning and spooling, wherein the yarn count is between 30 and 60, the graphene fiber proportion is 30 to 70 percent, the polyimide fiber proportion is 70 to 30 percent, the specific proportion is determined according to the flame retardant effect and the antibacterial effect of the yarn, two functions are required to be realized simultaneously, and 30 percent of the two raw materials is the lowest proportion of the blended yarn. Compact spinning or compact siro spinning is applied in the spinning process, so that the quality of the yarn can be improved.
In the above embodiment, in step S1, the polyimide fiber antistatic pretreatment process is specifically operated as follows: opening polyimide raw material package at first, evenly snatching from the disc through the A002D of reforming transform, inhales the pre-treatment chamber, carries out antistatic processing, disposes antistatic solution: the antistatic agent DK series is prepared by preparing solution concentration (according to the specific resistance of raw materials) according to the proportion of 4-10% of the weight of the raw materials, and comprises the following components in percentage by weight: water is 1:4, the temperature of the pretreatment chamber is 20-25 ℃, the humidity is 60-70%, the pretreatment chamber is covered by plastic paper and is covered for 24 hours, and then the plastic paper is packed according to the specified weight (about 100kg is recommended) for standby. After the antistatic pretreatment is carried out on the polyimide, the strength and spinnability of the fiber can be increased, the sticking, winding and blocking can be effectively reduced during the fiber production, and meanwhile, the web formation difficulty during the carding can be prevented.
In step S2 in the above embodiment, the graphene fiber pre-opening treatment process is specifically operated as follows: evenly snatch the graphite alkene raw materials through the A002D of reforming transform from the disc, inhale and open the room, the fibre has become loose state, packs the fibre in unison again, packing weight size is unanimous with polyimide fiber raw materials.
In the above embodiment, the cotton carding process uses a single set of dust removal device or applies and reforms an independent noil recovery device, and each process needs to make an independent space to prevent colored fibers from polluting the workshop environment and causing quality problems such as different fibers.
In the above embodiment, the drafting rollers for drawing, roving and spinning in step S3 are all subjected to antistatic treatment, or antistatic rollers are used to prevent the yarn from being entangled.
In the above embodiment, in step S3, the polyimide fiber content is 40% to 70% of the total weight of the blended yarn, and the graphene fiber content is 60% to 30% of the total weight of the blended yarn.
In the above embodiment, in step S1, the carding machine a186G has a sliver ration of 17.1g/5m, a cylinder rotation speed of 330rpm, a licker-in rotation speed of 660rpm, a flat linear speed of 71mm/min, an on-board cotton feeding plate-licker-in spacing of 12 inches, and a cylinder-flat spacing of 9, 8, 7, 8 inches; the height of the dust removing knife is flush with the machine frame, the angle is 90 degrees, and the relative humidity of a workshop is controlled to be 50-55 percent.
In the above embodiment, in step S2, the carding machine a186G has a sliver dry basis weight of 16g/5m, a cylinder rotation speed of 280rpm, a licker-in rotation speed of 560rpm, a flat linear speed of 84mm/min, an on-board cotton feeding plate-licker-in spacing of 12 inches, an on-board cylinder-flat spacing of 10, 9, 8, 9 inches, a dust knife height of-5 mm with the machine frame, an angle of 90 °, and a workshop relative humidity of 50% -55%.
In the embodiment, in the step S3, two raw slivers of the polyimide fiber and the graphene fiber are respectively pre-combined on a drawing vehicle to ensure stable weight of the raw slivers and accurate blending ratio, the pre-combining quantity of the two fibers can be set according to the proportion requirement of the two fibers, the drawing is triple-combined, and a self-leveling drawing machine with the vehicle speed of 120-300 m/min is not adopted.
In the above embodiment, in step S3, if the yarn count is 30 to 40, the draft multiple of the yarn is 6 to 8 times, and the total draft multiple of the spun yarn is preferably 30 to 40 times, and if the yarn count is 40 to 60, the draft multiple of the roving is preferably 8 to 10 times, and the total draft multiple of the spun yarn is preferably 40 to 50 times. The spun yarn adopts a compact spinning device or a compact siro spinning device, so that the hairiness on the surface of the yarn can be effectively reduced, the fiber aggregation is increased, the yarn strength is improved, the yarn evenness is reduced, and the yarn defects are reduced.
In conclusion, the flame retardant and antibacterial fabric has excellent flame retardant and antibacterial properties, can play a role in protecting the daily life health of people in special environments, and can be used for indoor operation, tools in non-special industries, home wear and the like.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the invention as claimed.
Claims (9)
1. The manufacturing process method for producing the flame-retardant antibacterial yarn is characterized by comprising the following operation steps of:
s1, preparing polyimide fiber raw strips: polyimide fiber is taken as a raw material, and the following treatment procedures are sequentially carried out: antistatic pretreatment of raw materials → upper groove of bale row → A002D plucker → A036B opener → A092A cotton feeder → A076C lap former → A186G cotton carding machine → polyimide fiber sliver;
s2, preparing graphene fiber raw strips: taking graphene fiber as a raw material, and preparing raw strips by the following steps in sequence: the raw material pre-opening treatment → the bale row upper groove → A002D plucker → A036B opener → A092A cotton feeder → A076C lap former → A186G cotton carding machine → graphene fiber sliver;
s3, arranging the polyimide fiber raw strips and the graphene fiber raw strips according to a certain proportion, and forming yarns through pre-drawing, head-drawing, end-drawing, roving, spinning and spooling, wherein: the number of the prepared yarns is 30-60, the proportion of the graphene fibers is 30-70%, and the proportion of the polyimide fibers is 70-30%.
2. The manufacturing process method for producing the flame-retardant antibacterial yarn according to claim 1, wherein the specific operation method of the antistatic pretreatment of the polyimide fiber is as follows: open polyimide raw material package, evenly snatch from the disc through the A002D of reforming transform, inhale the pre-treatment chamber, carry out antistatic processing, dispose antistatic solution: the antistatic agent DK series is prepared by preparing solution concentration according to the proportion of 4-10% of the weight of raw materials, wherein the antistatic agent comprises the following components in parts by weight: water is 1:4, the temperature of the pretreatment chamber is 20-25 ℃, the humidity is 60-70%, the pretreatment chamber is covered by plastic paper and is covered for 24 hours, and then the plastic paper is packed according to the specified weight for standby.
3. The manufacturing process method for producing flame-retardant and antibacterial yarn according to claim 1, wherein the graphene fiber pre-opening treatment in step S2 comprises the following specific operations: evenly snatch the graphite alkene raw materials through the A002D of reforming transform from the disc, inhale and open the room, the fibre has become loose state, packs the fibre in unison again, packing weight size is unanimous with polyimide fiber raw materials.
4. The manufacturing process of claim 1, wherein the drafting rollers of drawing, roving and spinning in step S3 need antistatic treatment.
5. The process of manufacturing a flame-retardant antibacterial yarn as claimed in claim 1, wherein in step S3, the content of polyimide fibers is 40% -70% of the total weight of the blended yarn, and the content of graphene fibers is 60% -30% of the total weight of the blended yarn.
6. The manufacturing process method for producing flame-retardant antibacterial yarns according to claim 1, wherein in the step S1, the carding machine A186G has a sliver ration of 17.1g/5m, a cylinder rotation speed of 330rpm, a licker-in rotation speed of 660rpm, a flat linear speed of 71mm/min, an on-vehicle cotton feeding plate-licker-in spacing of 12 inches, and a cylinder-to-flat spacing of 9, 8, 7, 8 inches; the height of the dust removing knife is flush with the machine frame, the angle is 90 degrees, and the relative humidity of a workshop is controlled to be 50-55 percent.
7. The manufacturing process method for producing the flame-retardant antibacterial yarn according to claim 1, wherein the carding machine A186G in the step S2 has a sliver dry basis weight of 16g/5m, a cylinder rotation speed of 280rpm, a licker-in rotation speed of 560rpm, a flat linear speed of 84mm/min, an on-board cotton feeding plate-licker-in spacing of 12 inches, a cylinder-to-flat spacing of 10, 9, 8, 9 inches, a dust removing knife height of-5 mm from a machine frame, an angle of 90 degrees and a workshop relative humidity of 50% -55%.
8. The manufacturing process method for producing the flame-retardant antibacterial yarn according to claim 1, wherein two raw slivers of the polyimide fiber and the graphene fiber in the step S3 are respectively pre-combined on a drawing vehicle, the number of the drawing is three, and an auto-leveling drawing machine with the vehicle speed of 120-300 m/min is not adopted.
9. The manufacturing process of claim 1, wherein in step S3, the yarn count is 30-40, the draft ratio of the yarn is 6-8 times, the total draft ratio of the spun yarn is 30-40 times or 40-60 yarns, the draft ratio of the roving is 8-10 times, and the total draft ratio of the spun yarn is 40-50 times.
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| CN202110809409.8A CN113463238A (en) | 2021-07-17 | 2021-07-17 | Manufacturing process method for producing flame-retardant antibacterial yarn |
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| CN113005585A (en) * | 2021-03-08 | 2021-06-22 | 苏州大学 | Covered yarn spinning device and preparation method of flame-retardant and anti-electric arc covered yarn |
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Application publication date: 20211001 |