CN107988669A - A kind of modified polyphenyl thioether sewing thread preparation method and its compound filter bag sewing thread - Google Patents
A kind of modified polyphenyl thioether sewing thread preparation method and its compound filter bag sewing thread Download PDFInfo
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- CN107988669A CN107988669A CN201810034374.3A CN201810034374A CN107988669A CN 107988669 A CN107988669 A CN 107988669A CN 201810034374 A CN201810034374 A CN 201810034374A CN 107988669 A CN107988669 A CN 107988669A
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- Prior art keywords
- yarn
- sewing thread
- polyphenyl thioether
- modified polyphenyl
- modified
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- 229920006389 polyphenyl polymer Polymers 0.000 title claims abstract description 105
- 150000003568 thioethers Chemical class 0.000 title claims abstract description 98
- 238000009958 sewing Methods 0.000 title claims abstract description 93
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 150000001875 compounds Chemical class 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 23
- 238000009987 spinning Methods 0.000 claims abstract description 22
- 239000004677 Nylon Substances 0.000 claims abstract description 21
- 229920001778 nylon Polymers 0.000 claims abstract description 21
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 37
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 37
- 239000000835 fiber Substances 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 22
- 238000010438 heat treatment Methods 0.000 claims description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- 235000004879 dioscorea Nutrition 0.000 claims description 9
- 241001589086 Bellapiscis medius Species 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- 239000005864 Sulphur Substances 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- -1 naphthalene sulfonic acids alkali metal salt Chemical class 0.000 claims description 7
- 238000013021 overheating Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 238000004804 winding Methods 0.000 claims description 7
- 239000000084 colloidal system Substances 0.000 claims description 4
- 238000011176 pooling Methods 0.000 claims description 4
- 239000007859 condensation product Substances 0.000 claims description 3
- 150000002366 halogen compounds Chemical class 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052783 alkali metal Inorganic materials 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000013327 media filtration Methods 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 description 8
- LTYMSROWYAPPGB-UHFFFAOYSA-N diphenyl sulfide Chemical compound C=1C=CC=CC=1SC1=CC=CC=C1 LTYMSROWYAPPGB-UHFFFAOYSA-N 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000003026 anti-oxygenic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 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
-
- 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
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/26—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre with characteristics dependent on the amount or direction of twist
- D02G3/28—Doubled, plied, or cabled 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated 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
- D02G3/46—Sewing-cottons or the like
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/08—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with halogenated hydrocarbons
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/244—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus
- D06M13/248—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing sulfur or phosphorus with compounds containing sulfur
- D06M13/256—Sulfonated compounds esters thereof, e.g. sultones
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- 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
- D10B2331/30—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polycondensation products not covered by indexing codes D10B2331/02 - D10B2331/14
- D10B2331/301—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polycondensation products not covered by indexing codes D10B2331/02 - D10B2331/14 polyarylene sulfides, e.g. polyphenylenesulfide
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of modified polyphenyl thioether sewing thread preparation method and its compound filter bag sewing thread, include the following steps：Sorting；Spinning, winder；Metal；It is modified；Multiple winder；And twisted stock；Thermal finalization；Oily coiling is crossed, obtains modified polyphenyl thioether yarn.The compound filter bag sewing thread of modified polyphenyl thioether sewing thread is made of modified polyphenyl thioether filter bag sewing thread, modified polyphenyl thioether yarn and nylon material yarn, improve heat resistance, inoxidizability and chemical-resistant characteristic, adapt to the dedusting filtering bag sewing line of high-temperature filter material technical need, it is with good temperature tolerance, while corrosion resistance and inoxidizability, modified polyphenyl thioether filter bag sewing thread outer surface has abundant filoplume, it can preferably realize that blocking certainly for filter bag pin hole closes purpose, improve media filtration efficiency.
Description
Technical field
The present invention relates to the technical field of industrial filter bag sewing thread, is specially a kind of modified polyphenyl thioether sewing thread preparation side
Method and its compound filter bag sewing thread.
Background technology
With the reinforcement of Environmental Protection in China dynamics, further increase of the government to air contaminant treatment dynamics.Arrange coal-burning power plant
One of main source as industrial gas emission is put, has obtained unprecedented attention, discharge standard is via original
30mg/Nm3Bring up to 20-10mg/Nm3, some areas 5mg/Nm3.Removed as the major technique of dust particle is controlled for pocket type
Dirt technology, because having good dust emission control effect, has become the major technique of coal-burning power plant's dust removal by filtration.According to system
Meter, by the end of the year in 2016, China's capacity of installed generator was up to 16.5 hundred million kilowatts, wherein 9.4 hundred million kilowatts of coal electricity installed capacity；Power generation
Amount accounts for the 65.5% of gross generation up to 6.0 trillion kilowatt hours, wherein about 3.9 trillion kilowatt hour of coal fired power generation amount.And 9.4 hundred million
In kilowatt coal electricity, about 30% uses bag-type dusting or electric bag composite dedusting.According to data, a relatively advanced 1000MW is big
In type Thermal generation unit, it is necessary to filtrate 160 × 8000 filter bag 2000, filtrate area just up to more than 80,000 square metres,
Thus see, the filtrate that China there are 5,000 ten thousand square metres is carrying the exhaust filtering task of coal-burning boiler.And this part uses bag
The dedusting filtering bag of formula dedusting technology, is essentially all using the polyphenyl thioether filter material that can adapt to coal fire discharged operating mode, or polyphenyl
The composite filtering material of thioether and polytetrafluoroethylene (PTFE) makes, preferably to adapt in coal fired power generation, sulphur, nitrogen compound in flue gas emission
Deng corrosive substance.To reach stringenter discharge standard, in terms of filtrate, filter bag production technology, there is superfine fibre,
Fibrous material is compound, the technological innovation such as closure of acupuncture and Spunlace line compound use, overlay film, lotion dipping, filter bag pin hole.
In the use of filter bag sewing thread, general choice has the polytetrafluoroethylene (PTFE) sewing thread of good temperature tolerance and chemical-resistance, to increase
The heatproof of strong filter bag, corrosion resistance.But since polytetrafluoroethylene material is without the spy for having liquid fluidity under molten condition
Point, only produces staple fiber by film strips cracking technology at present, the list made by pressing aid expressing technique or film strips separating and cutting process
Filament length is fine.And since polytetrafluoroethylene material has very strong self-lubricity, staple fiber can not spin, and therefore, can only use in the industry
Monofilament plying makes sewing thread.Thus polytetrafluoroethylene (PTFE) sewing thread just necessarily has that surface is smooth, and frictional force is small, the obvolvent with filtrate
Gu the shortcomings that attached force difference；At the same time because material property also have the shortcomings that to wear no resistance it is strong with thermal creep mistake.Exactly these defect institutes
Cause, the pin hole of filter bag cannot deposit dust well in use, and form dust particles to block pin hole, prevent dust
Penetrated by pin hole, so as to have impact on filter efficiency.At present, emission request is in 15mg/Nm3Within project in, filter bag pin hole need
Silica gel coating closure or adhesive tape hot melt closure are wanted, wastes, increases so that the manufacturing to filter bag brings no small manpower and materials
Production cost is added.
Polyphenylene sulfide fibre is widely used in features filter material with characteristics such as its good chemical resistance, high temperature resistants
Material, the boiler emission filtering of such as coal-burning power plant and filter bag sewing thread.But the antioxygen that polyphenylene sulfide still has at high temperature
Change poor performance, while the erosion of the strong oxidizers such as the concentrated sulfuric acid, nitric acid can not be resisted, easily deform upon and melt under high temperature.
The content of the invention
1. technical problems to be solved
1st, the technical problem to be solved in the present invention is to provide a kind of modified polyphenyl thioether sewing thread preparation method, according to its side
Modified polyphenyl thioether sewing thread prepared by method adapts to the dedusting filtering bag sewing line of high-temperature filter material technical need, it is with good
Temperature tolerance, while corrosion resistance and inoxidizability, there is abundant filoplume, can preferably realize filter bag pin hole from stifled
Purpose is closed, improves media filtration efficiency, modified polyphenyl thioether sewing thread sewing thread also has preferable heat endurance, heated
Under state, good ultimate strength can be kept.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that：
A kind of modified polyphenyl thioether sewing thread preparation method, includes the following steps：
Step 1, sorting：Use the polyphenylene sulfide fibre of line density 1.5-3dtex, 51 ± 5mm of sheared length, polyphenylene sulfide
The fracture strength of ether fiber is >=4cN/dtex, dimensional stability to heating in house≤3.7%；
Step 2, spinning：The single thread or folded yarn for the use of ring spinner spinning yarn count being 5S-30S, spinning twist Z are twisted with the fingers,
The twist：400-600 sth. made by twisting/m；Winder；
Step 3, metal, the polyphenylene sulfide yams after winder are transferred in metal；
Step 4, it is modified：Yarn after metal is put within modified container, is heated under aerobic environment, temperature
At 180-260 DEG C；2 it is small when after, then yarn is put into modified solution, is modified processing, 6 it is small when after to discharge modification molten
Liquid；Then yarn rinsed, be dehydrated, dried；
Step 5, multiple winder：By the yarn of drying again winder；
Step 6, and twisted stock：The tube of the modified polyphenyl thioether yarn of winding process will be answered by above-mentioned steps five, is put
Carried out in two-for-one twister and be twisted together stock, the twist 480 twists with the fingers/m；
Step 7, thermal finalization：By by and twisted stock after yarn, carry out thermal finalization, setting temperature through overheating baking device
260-300 DEG C of degree, cavity length of being heated 120cm, line pass through speed 0.3-1m/s；
Step 8, excessively oily, coiling：By the yarn Jing Guo thermal finalization, oiled, and turned to modified poly- by oil box after coiling
Diphenyl sulfide sewing thread.
Preferably, the component of modified solution is in the step 4：The naphthalene sulfonic acids alkali metal of mass percentage 1.2%
Salt, the formaldehyde condensation products of mass percentage 2%, the HCFCs halogen compounds of mass percentage 4.7%, quality percentage contain
The silica of amount 12%, remaining is water.
Preferably, the line density of the polyphenylene sulfide fibre in the step 1 is in 2.2dtex, chopped length 38-70cm,
Fracture strength is 4.5cN/dtex, elongation at break≤26%, dimensional stability to heating in house≤3%.
Preferably, the modified polyphenyl thioether yarn in the step 2 is the single thread that yarn count is 20S, and single twist 550 twists with the fingers/m.
Preferably, in the step 6 and twisted stock refers to, using as the modified polyphenyl thioether yarn of strand, carry out and twist with the fingers
The process of modified polyphenyl thioether sewing thread is made after plying, and process of pooling capital refers to including but not limited to two strands of more plying lines
Mode, wherein plying process further includes the secondary line mode processed repeatedly pooled capital above that folded yarn is carried out as strand.
It is by modified polyphenyl thioether present invention also offers a kind of compound filter bag sewing thread of modified polyphenyl thioether sewing thread
Filter bag sewing thread, modified polyphenyl thioether yarn and nylon material yarn composition, the modified polyphenyl sulphur filter bag sewing thread are wrapped in
The outer surface synthesized by modified polyphenyl thioether yarn and nylon material yarn alternate lay of stranding forms covering yarn structure, and core yarn structure is
Remerged afterwards by side counterclockwise by modified polyphenyl thioether yarn and nylon material yarn are individually twisted in the direction of the clock respectively
To stock is twisted together into, the modified polyphenyl thioether filter bag sewing thread outer surface scribbles colloid wax.
Preferably, the nylon material yarn is the nylon material yarn for sub-thread or the merging of more than two strands of multiply.
Preferably, the modified polyphenyl thioether filter bag sewing thread is sub-thread or the modified polyphenyl of more than two strands of multiply merging
Thioether filter bag sewing thread.
Preferably, the modified polyphenyl thioether filter bag yarn is sub-thread or the modified polyphenyl sulphur of more than two strands of multiply merging
Ether yarn, and modified polyphenyl thioether yarn is flat yarn.
3. beneficial effect
(1) a kind of modified polyphenyl thioether sewing thread provided by the invention not only remains the mechanics of intrinsic polyphenylene sulfide fibre
Outside performance, chemical stability, anti-flammability, heat insulating ability, have in terms of its antioxygenic property, high temperature resistant, electrical property and greatly carry
Rise.
(2) a kind of modified polyphenyl thioether sewing thread provided by the invention adapts to the dedusting filtering bag seam of high-temperature filter material technical need
System line, while with good temperature tolerance, corrosion resistance and inoxidizability, modified polyphenyl thioether sewing thread has rich for it
Rich filoplume, can preferably realize that blocking certainly for filter bag pin hole closes purpose, improve media filtration efficiency.
(3) a kind of compound filter bag sewing thread of modified polyphenyl thioether sewing thread provided by the invention is by modified polyphenyl thioether yarn
Line, modified polyphenyl thioether sewing thread and nylon material yarn composition, nylon material yarn heat-resistant antifriction, with modified polyphenyl thioether yarn
Line alternate lay of stranding synthesizes the toughness for further increasing filter bag sewing thread, also improves service life.
(4) test result of modified polyphenyl thioether sewing thread is as follows：
2nd, physical property is：1000 ± 100dtex of line density, fracture strength 3.5cN/dtex, elongation at break 25%, heat
Shrinking percentage 3%.
3rd, temperature tolerance：235℃.
Chemical-resistance (85 DEG C, 24h strength retentions)：The concentrated sulfuric acid (98%)：90% is promoted to, concentrated nitric acid (60%)：
87% is promoted to, high alkali liquid (40%)：95% is promoted to, hydrogen peroxide (30%)：It is promoted to 95%.
Brief description of the drawings
Fig. 1 is the process flow chart of modified polyphenyl thioether filter bag sewing thread；
Fig. 2 is the compound filter bag sewing thread structure diagram of modified polyphenyl thioether sewing thread.
In figure, 1, modified polyphenyl thioether filter bag sewing thread, 2, modified polyphenyl thioether yarn, 3, nylon material yarn, 4, glue
Matter wax.
Embodiment
Below by embodiment, the present invention is described in further detail.
Embodiment one
A kind of compound filter bag sewing thread of modified polyphenyl thioether sewing thread, a kind of compound filter of modified polyphenyl thioether sewing thread
Bag sewing thread, is made of, institute modified polyphenyl thioether filter bag sewing thread 1, modified polyphenyl thioether yarn 2 and nylon material yarn 3
Modified polyphenyl thioether filter bag sewing thread 1 is stated as sub-thread or the modified polyphenyl thioether filter bag sewing thread 1 of more than two strands of multiply merging,
Since filter bag filtration yield is different, the number of share of stock of modified polyphenyl thioether filter bag sewing thread 1 is different, and number of share of stock is more to the close of filtering pin hole
Envelope property is also better, and modified polyphenyl sulphur filter bag sewing thread 1 is wrapped in be mixed by modified polyphenyl thioether yarn 2 and nylon material yarn 3
The outer surface being twisted together forms covering yarn structure, and core yarn structure is divided by modified polyphenyl thioether yarn 2 and nylon material yarn 3
Remerged after individually twisted in the direction of the clock and be twisted together into stock counterclockwise, nylon material yarn 3 be for sub-thread or
The nylon material yarn 3 that more than two strands of multiply merges, nylon material yarn 3 have stronger toughness and wearability, increase core
The intensity of knot structure, modified polyphenyl thioether filter bag yarn 2 are sub-thread or the modified polyphenyl thioether yarn of more than two strands of multiply merging
Line 2, and modified polyphenyl thioether yarn 2 is flat yarn, can be modified poly- preferably together with 3 obvolvent of nylon material yarn
When 2 number of share of stock of diphenyl sulfide yarn is more, make core yarn structure more stable, 1 outer surface of modified polyphenyl thioether filter bag sewing thread scribbles colloid
Wax 4, the feather outside modified polyphenyl thioether filter bag sewing thread 1 are solidified by colloid wax 4, are easy to meet high through pin hole, wax when in use
Temperature is melted, and at this time, the feather of 1 outer surface of modified polyphenyl thioether sewing thread stretchs out automatic plugging filter bag pin hole.
Embodiment two
A kind of modified polyphenyl thioether sewing thread preparation method, specific preparation process are as follows：
Step 1, sorting：Use the polyphenylene sulfide fibre of line density 1.5-3dtex, 51 ± 5mm of sheared length, polyphenylene sulfide
The fracture strength of ether fiber is >=4cN/dtex, dimensional stability to heating in house≤3.7%；
Step 2, spinning：The single thread or folded yarn for the use of ring spinner spinning yarn count being 5S-30S, spinning twist Z are twisted with the fingers,
The twist：400-600 sth. made by twisting/m；Winder；
Step 3, metal, the polyphenylene sulfide yams after winder are transferred in metal；
Step 4, it is modified：Yarn after metal is put within modified container, is heated under aerobic environment, temperature
At 180-260 DEG C；2 it is small when after, then yarn is put into modified solution, is modified processing, 6 it is small when after to discharge modification molten
Liquid；Then yarn rinsed, be dehydrated, dried；
Step 5, multiple winder：By the yarn of drying again winder；
Step 6, and twisted stock：The tube of the modified polyphenyl thioether yarn of winding process will be answered by above-mentioned steps five, is put
Carried out in two-for-one twister and be twisted together stock, the twist 480 twists with the fingers/m；
Step 7, thermal finalization：By by and twisted stock after yarn, carry out thermal finalization, setting temperature through overheating baking device
260-300 DEG C of degree, cavity length of being heated 120cm, line pass through speed 0.3-1m/s；
Step 8, excessively oily, coiling：By the yarn Jing Guo thermal finalization, oiled, and turned to modified poly- by oil box after coiling
Diphenyl sulfide sewing thread.
In the present embodiment, the component of modified solution is in the step 4：The naphthalene sulfonic acids alkali of mass percentage 1.2%
Metal salt, the formaldehyde condensation products of mass percentage 2%, the HCFCs halogen compounds of mass percentage 4.7%, quality hundred
Divide the silica of content 12%, remaining is water.
In the present embodiment, the line density of the polyphenylene sulfide fibre in the step 1 is in 2.2dtex, chopped length 38-
70cm, fracture strength 4.5cN/dtex, elongation at break≤26%, dimensional stability to heating in house≤3%.
In the present embodiment, the modified polyphenyl thioether yarn in the step 2 be yarn count be 20S single thread, single twist
550 sth. made by twisting/m.
In the present embodiment, in the step 6 and twisted stock refers to as the modified polyphenyl thioether yarn of strand, into
Go and the process of modified polyphenyl thioether sewing thread is made after being twisted together stock, and process of pooling capital refers to including but not limited to two strands of more conjunctions
Stock line mode processed, wherein plying process further includes the secondary line side processed repeatedly pooled capital above that folded yarn is carried out as strand
Formula.More plying line modes processed refer to the conjunction again after pooling capital after two polyphenylene sulfide yams are pooled capital with two other polyphenylene sulfide
The mode of stock.
Embodiment three
A kind of modified polyphenyl thioether sewing thread preparation method, specific preparation process are as follows：
Step 1, sorting：Use the polyphenylene sulfide fibre of line density 1.5dtex, sheared length 51mm, polyphenylene sulfide fibre
Fracture strength be >=4.26cN/dtex, dimensional stability to heating in house≤3.58%；
Step 2, spinning：The single thread or folded yarn for the use of ring spinner spinning yarn count being 5S, spinning twist Z are twisted with the fingers, twisted with the fingers
Degree：400 sth. made by twisting/m；Winder；
Step 3, metal, the polyphenylene sulfide yams after winder are transferred in metal；
Step 4, it is modified：Yarn after metal is put within modified container, is heated under aerobic environment, temperature
At 180-260 DEG C；2 it is small when after, then yarn is put into modified solution, is modified processing, 6 it is small when after to discharge modification molten
Liquid；Then yarn rinsed, be dehydrated, dried；
Step 5, multiple winder：By the yarn of drying again winder；
Step 6, and twisted stock：The tube of the modified polyphenyl thioether yarn of winding process will be answered by above-mentioned steps five, is put
Carried out in two-for-one twister and be twisted together stock, the twist 480 twists with the fingers/m；
Step 7, thermal finalization：By by and twisted stock after yarn, carry out thermal finalization, setting temperature through overheating baking device
260-300 DEG C of degree, cavity length of being heated 120cm, line pass through speed 0.3-1m/s；
Step 8, excessively oily, coiling：By the yarn Jing Guo thermal finalization, oiled, and turned to modified poly- by oil box after coiling
Diphenyl sulfide sewing thread.
Above-mentioned modified polyphenyl thioether sewing thread preparation method is with two difference of embodiment,
It is fine using the polyphenylene sulfide fibre that line density is 1.5dtex, sheared length 51mm, polyphenylene sulfide in the step 1
The fracture strength of dimension is >=4.26cN/dtex, dimensional stability to heating in house≤3.58%.
In the step 2 modified polyphenyl thioether yarn be yarn count be 5S single thread, the twist：400 sth. made by twisting/m.
Example IV
A kind of modified polyphenyl thioether sewing thread preparation method, specific preparation process are as follows：
Step 1, sorting：Use the polyphenylene sulfide fibre of line density 2.2dtex, sheared length 52mm, polyphenylene sulfide fibre
Fracture strength be >=4.5cN/dtex, dimensional stability to heating in house≤3%；
Step 2, spinning：The single thread or folded yarn for the use of ring spinner spinning yarn count being 20S, spinning twist Z are twisted with the fingers, twisted with the fingers
Degree：550 sth. made by twisting/m；Winder；
Step 3, metal, the polyphenylene sulfide yams after winder are transferred in metal；
Step 4, it is modified：Yarn after metal is put within modified container, is heated under aerobic environment, temperature
At 180-260 DEG C；2 it is small when after, then yarn is put into modified solution, is modified processing, 6 it is small when after to discharge modification molten
Liquid；Then yarn rinsed, be dehydrated, dried；
Step 5, multiple winder：By the yarn of drying again winder；
Step 6, and twisted stock：The tube of the modified polyphenyl thioether yarn of winding process will be answered by above-mentioned steps five, is put
Carried out in two-for-one twister and be twisted together stock, the twist 480 twists with the fingers/m；
Step 7, thermal finalization：By by and twisted stock after yarn, carry out thermal finalization, setting temperature through overheating baking device
260-300 DEG C of degree, cavity length of being heated 120cm, line pass through speed 0.3-1m/s；
Step 8, excessively oily, coiling：By the yarn Jing Guo thermal finalization, oiled, and turned to modified poly- by oil box after coiling
Diphenyl sulfide sewing thread.
Above-mentioned modified polyphenyl thioether sewing thread preparation method is with two difference of embodiment,
It is fine using the polyphenylene sulfide fibre that line density is 2.2dtex, sheared length 52mm, polyphenylene sulfide in the step 1
The fracture strength of dimension is >=4.5N/dtex, dimensional stability to heating in house≤3%.
In the step 2 modified polyphenyl thioether yarn be yarn count be 5S single thread, the twist：400 sth. made by twisting/m.
Embodiment five
A kind of modified polyphenyl thioether sewing thread preparation method, includes the following steps：
Step 1, sorting：Use the polyphenylene sulfide fibre of line density 2.6dtex, sheared length 53mm, polyphenylene sulfide fibre
Fracture strength be >=4.32cN/dtex, dimensional stability to heating in house≤3.62%；
Step 2, spinning：The single thread or folded yarn for the use of ring spinner spinning yarn count being 10S, spinning twist Z are twisted with the fingers, twisted with the fingers
Degree：450 sth. made by twisting/m；Winder；
Step 3, metal, the polyphenylene sulfide yams after winder are transferred in metal；
Step 4, it is modified：Yarn after metal is put within modified container, is heated under aerobic environment, temperature
At 180-260 DEG C；2 it is small when after, then yarn is put into modified solution, is modified processing, 6 it is small when after to discharge modification molten
Liquid；Then yarn rinsed, be dehydrated, dried；
Step 5, multiple winder：By the yarn of drying again winder；
Step 6, and twisted stock：The tube of the modified polyphenyl thioether yarn of winding process will be answered by above-mentioned steps five, is put
Carried out in two-for-one twister and be twisted together stock, the twist 480 twists with the fingers/m；
Step 7, thermal finalization：By by and twisted stock after yarn, carry out thermal finalization, setting temperature through overheating baking device
260-300 DEG C of degree, cavity length of being heated 120cm, line pass through speed 0.3-1m/s；
Step 8, excessively oily, coiling：By the yarn Jing Guo thermal finalization, oiled, and turned to modified poly- by oil box after coiling
Diphenyl sulfide sewing thread.
Above-mentioned modified polyphenyl thioether sewing thread preparation method is with two difference of embodiment,
The polyphenylene sulfide fibre that line density is 2.6dtex, sheared length 53mm, polyphenyl are used in the step 1
The fracture strength of sulfide fibers is >=4.32cN/dtex, dimensional stability to heating in house≤3.62%.
In the step 2 modified polyphenyl thioether yarn be yarn count be 10S single thread, the twist：450 sth. made by twisting/m.
Embodiment six
A kind of modified polyphenyl thioether sewing thread preparation method, specific preparation process are as follows：
Step 1, sorting：Using the polyphenylene sulfide fibre of line density 3dtex, sheared length 56mm, polyphenylene sulfide fibre
Fracture strength is >=4.43cN/dtex, dimensional stability to heating in house≤2.9%；
Step 2, spinning：The single thread or folded yarn for the use of ring spinner spinning yarn count being 30S, spinning twist Z are twisted with the fingers, twisted with the fingers
Degree：600 sth. made by twisting/m；Winder；
Step 3, metal, the polyphenylene sulfide yams after winder are transferred in metal；
Step 4, it is modified：Yarn after metal is put within modified container, is heated under aerobic environment, temperature
At 180-260 DEG C；2 it is small when after, then yarn is put into modified solution, is modified processing, 6 it is small when after to discharge modification molten
Liquid；Then yarn rinsed, be dehydrated, dried；
Step 5, multiple winder：By the yarn of drying again winder；
Step 6, and twisted stock：The tube of the modified polyphenyl thioether yarn of winding process will be answered by above-mentioned steps five, is put
Carried out in two-for-one twister and be twisted together stock, the twist 480 twists with the fingers/m；
Step 7, thermal finalization：By by and twisted stock after yarn, carry out thermal finalization, setting temperature through overheating baking device
260-300 DEG C of degree, cavity length of being heated 120cm, line pass through speed 0.3-1m/s；
Step 8, excessively oily, coiling：By the yarn Jing Guo thermal finalization, oiled, and turned to modified poly- by oil box after coiling
Diphenyl sulfide sewing thread.
Above-mentioned modified polyphenyl thioether sewing thread preparation method is with two difference of embodiment,
The polyphenylene sulfide fibre that line density is 3dtex, sheared length 56mm, polyphenylene sulfide fibre are used in the step 1
Fracture strength be >=4.43cN/dtex, dimensional stability to heating in house≤2.9%.
In the step 2 modified polyphenyl thioether yarn be yarn count be 30S single thread, the twist：600 sth. made by twisting/m.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of modified polyphenyl thioether sewing thread preparation method, it is characterised in that specific preparation process is as follows：
Step 1, sorting：It is fine using the polyphenylene sulfide fibre of line density 1.5-3dtex, 51 ± 5mm of sheared length, polyphenylene sulfide
The fracture strength of dimension is >=4cN/dtex, dimensional stability to heating in house≤3.7%；
Step 2, spinning：The single thread or folded yarn for the use of ring spinner spinning yarn count being 5S-30S, spinning twist Z are twisted with the fingers, twisted with the fingers
Degree：400-600 sth. made by twisting/m；Winder；
Step 3, metal, the polyphenylene sulfide yams after winder are transferred in metal；
Step 4, it is modified：Yarn after metal is put within modified container, is heated under aerobic environment, temperature exists
180-260℃；2 it is small when after, then yarn is put into modified solution, is modified processing, 6 it is small when after discharge modified solution；
Then yarn rinsed, be dehydrated, dried；
Step 5, multiple winder：By the yarn of drying again winder；
Step 6, and twisted stock：The tube of the modified polyphenyl thioether yarn of winding process will be answered by above-mentioned steps five, will be placed in again
Twister carries out and is twisted together stock, and the twist 480 twists with the fingers/m；
Step 7, thermal finalization：By by and twisted stock after yarn, carry out thermal finalization, design temperature through overheating baking device
260-300 DEG C, cavity length of being heated 120cm, line passes through speed 0.3-1m/s；
Step 8, excessively oily, coiling：By the yarn Jing Guo thermal finalization, oiled after coiling by oil box, and turn to modified polyphenyl sulphur
Ether sewing thread.
2. the preparation method of a kind of modified polyphenyl thioether filter bag sewing thread according to claim 1, it is characterised in that described
The component of modified solution is in step 4：The naphthalene sulfonic acids alkali metal salt of mass percentage 1.2%, mass percentage 2%
The HCFCs halogen compounds of formaldehyde condensation products, mass percentage 4.7%, the silica of mass percentage 12%, remaining
For water.
A kind of 3. modified polyphenyl thioether sewing thread preparation method according to claim 1, it is characterised in that the step 1
In the line density of polyphenylene sulfide fibre stretched in 2.2dtex, chopped length 38-70cm, fracture strength 4.5cN/dtex, fracture
Long rate≤26%, dimensional stability to heating in house≤3%.
A kind of 4. preparation method of modified polyphenyl thioether sewing thread according to claim 1, it is characterised in that the step
Modified polyphenyl thioether yarn in two is the single thread that yarn count is 20S, and single twist 550 twists with the fingers/m.
5. the preparation method of a kind of modified polyphenyl thioether filter bag sewing thread according to claim 1, it is characterised in that described
In step 6 and twisted stock refers to, using as the modified polyphenyl thioether yarn of strand, carry out and modified polyphenyl sulphur is made after twisted stock
The process of ether sewing thread, and process of pooling capital refers to including but not limited to two strands of more plying line modes, wherein plying process is also
The secondary line mode processed repeatedly pooled capital above carried out including folded yarn as strand.
A kind of 6. compound filter bag sewing thread of modified polyphenyl thioether sewing thread, it is characterised in that：It is by modified polyphenyl thioether filter bag
Sewing thread (1), modified polyphenyl thioether yarn (2) and nylon material yarn (3) composition, the modified polyphenyl sulphur filter bag sewing thread
(1) it is wrapped in the outer surface synthesized by modified polyphenyl thioether yarn (2) and nylon material yarn (3) alternate lay of stranding and forms cored knot
Structure, and core yarn structure is individually twisted in the direction of the clock respectively by modified polyphenyl thioether yarn (2) and nylon material yarn (3)
Remerge afterwards and be twisted together into stock counterclockwise, modified polyphenyl thioether filter bag sewing thread (1) outer surface scribbles colloid wax
(4)。
7. the compound filter bag sewing thread of a kind of modified polyphenyl thioether sewing thread as claimed in claim 6, it is characterised in that described
Nylon material yarn (3) is the nylon material yarn (3) for sub-thread or the merging of more than two strands of multiply.
8. the compound filter bag sewing thread of a kind of modified polyphenyl thioether sewing thread as claimed in claim 6, it is characterised in that described
Modified polyphenyl thioether filter bag sewing thread (1) is sub-thread or the modified polyphenyl thioether filter bag sewing thread of more than two strands of multiply merging
(1)。
9. the compound filter bag sewing thread of a kind of modified polyphenyl thioether sewing thread as claimed in claim 6, it is characterised in that described
Modified polyphenyl thioether filter bag yarn (2) is sub-thread or the modified polyphenyl thioether yarn (2) of more than two strands of multiply merging, and modified
Polyphenylene sulfide yams (2) are flat yarn.
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| CN108744715A (en) * | 2018-07-16 | 2018-11-06 | 江苏鼎盛滤袋有限公司 | A kind of production method of PPS filter clothes |
| CN108854264A (en) * | 2018-07-16 | 2018-11-23 | 江苏鼎盛滤袋有限公司 | A kind of production method of aramid fiber filter cloth |
| CN113584663A (en) * | 2021-07-27 | 2021-11-02 | 苏州耐德新材料科技有限公司 | Filter bag sewing thread with hot melting dust-sticking performance |
| TWI755574B (en) * | 2018-11-15 | 2022-02-21 | 黃崑生 | Manufacturing method of textile |
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