CN101812736A - Production method of superfine polypropylene composite fully-drawn wallpaper fiber - Google Patents
Production method of superfine polypropylene composite fully-drawn wallpaper fiber Download PDFInfo
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- CN101812736A CN101812736A CN 201010125773 CN201010125773A CN101812736A CN 101812736 A CN101812736 A CN 101812736A CN 201010125773 CN201010125773 CN 201010125773 CN 201010125773 A CN201010125773 A CN 201010125773A CN 101812736 A CN101812736 A CN 101812736A
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- 239000004743 Polypropylene Substances 0.000 title claims abstract description 43
- -1 polypropylene Polymers 0.000 title claims abstract description 43
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 43
- 239000000835 fiber Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000002131 composite material Substances 0.000 title claims abstract description 11
- 238000009987 spinning Methods 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 23
- 239000003921 oil Substances 0.000 claims description 16
- 239000000155 melt Substances 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 3
- 208000011580 syndromic disease Diseases 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 235000015111 chews Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Artificial Filaments (AREA)
Abstract
The invention relates to a production method of superfine polypropylene composite fully-drawn wallpaper fiber. The method is characterized in comprising the following steps of: (1) melting polypropylene grain under high temperature, wherein the draw ratio of a spray head is 30-40; (2) cooling by means of lateral air blowing, wherein the air quantity is 750-850NM3/chroneme, the wind speed is 0.1-0.3m/s, and the wind temperature is 12-16 DEG C; (3) winding after oiling through a lower wire guide pan, an upper wire guide pan and a friction roller, wherein the winding speed of a spinning wind is 850-950m/min, and winding to be a winding spindle; (4) shaping in a drawing way: statically balancing the winding spindle for 4-6h, and shaping in a drawing way through a first heat pan, a contact type heat pan, a second heating pan and a cold pan, wherein the drawing multiple is 4-6 times, the feeding speed is 40-50m/min, and the winding speed of the winding spindle is 180-220m/min; and (5) cutting off and bagging. The preparation method effectively overcomes the rigidity of the normal polypropylene filament yarn, leads the polypropylene filament yarn to have good rebound resilience and soft handle feel, and leads each performance index of the product to meet the requirement of the material of the wallpaper.
Description
Technical field:
The present invention relates to method for producing polypropylene fiber, especially a kind of production method of superfine polypropylene composite fully-drawn wallpaper fiber.
Background technology:
The existing polypropylene filament 667dtex/110f that is used for wall clothing material, not only fracture strength is little, and monofilament is hard, and fracture strength is 3.5-4.4cN/dtex after tested.Because monofilament is hard, can not be bonding well during use with other wall clothing material, easily expose surface of wall, therefore, can not satisfy the requirement of wall clothing material.
Summary of the invention
The object of the present invention is to provide a kind of above-mentioned prior art shortcoming that can overcome, can make polypropylene filament have good resilience and soft, can satisfy the production method of a kind of superfine polypropylene composite fully-drawn wallpaper fiber of wall clothing material requirements.
For achieving the above object, the technical solution adopted in the present invention is taked following steps:
First step spinning: by reentering the charging aperture on the screw extruder certainly, screw pressure is 75-85kgf/cm to polypropylene particles from feed hopper
2, because the rotation of screw rod, polypropylene particles travels forward along screw channel, in the screw sleeve periphery heating element heater is installed; The heating-up temperature of polypropylene particles place screw extruder from feed zone to discharging section is in 200-300 ℃ of scope; By sleeve heat is passed to polypropylene particles, after the polypropylene particles melted by heating and be extruded machine compression and extrude, form polypropylene particles melt, enter into spinning manifold with certain pressure; Melt temperature is 250-270 ℃, and melt distributing pipe temperature is 260-285 ℃, and spinning body temperature is 260-290 ℃; Under the metering of the measuring pump in casing, be evenly distributed to spinnerets, spuing from spinneret orifice forms the melt thread; Polypropylene particles through jet stretch ratio after the high-temperature fusion is: 30-40; Side under spinneret orifice is provided with the side-blown air compartment, and air quantity is 750-850NM
3/ time the position, wind speed is between the 0.1-0.3m/s, wind-warm syndrome is 12-16 ℃; The air cooling that is cooled of melt thread is frozen into strand, in cooling, because the stretching action of spinning head, the melt thread is progressively refinement before not solidifying, and oils through last oil nozzle, the precursor rate 10-12% that oils, oil concentration 20-25% enters the coiling operation after strand oils;
Second step reeled: the polyacrylic fibres after the cooling air cooling, earlier through draw-off godet down again through last draw-off godet and friction roller, its spinning silk winding speed 850-950m/min, coiling is around ingot;
The 3rd step drawing-off: the coiling ingot with winding shaping left standstill balance 4 hours earlier, be used to eliminate the internal stress of coiling ingot, behind the strand feeding roller on the coiling ingot after the balance, through the first heat dish → contact hot plate → second heat dish → cold dish → thread guide → Travellers → drafted fibre spindle;
Above-mentioned undrafting wire bar feeding roller coils around the first heat dish and second heat with the feeding speed of 40-50m/min, strand carries out drawing-off between the first heat dish, the second heat dish, and on the contact hot plate, finalize the design,, be wound on equably on the drafted fibre spindle again behind cold dish through the strand of drafting forming by thread guide, Travellers; The draft speed of drafted fibre spindle is 180-220m/min, first temperature of heat plate is 80-100 ℃, second temperature of heat plate is 120-160 ℃, hot plate temperature is 120-150 ℃, the first heat coiling wire ring number is 3-5, the second heat coiling wire ring number is 4-6, and the cold dish wrapping wire number of turns is 3-5, and drafting multiple is 4-6 times;
The 4th step cut off: with filament cutter long filament is cut into the broken silk that every segment length is 5-7mm, and by every pouch 1 kilogram of broken silk of packing into, every sack 20 pouch warehouse entry stocks that pack into.
The production method of described a kind of superfine polypropylene composite fully-drawn wallpaper fiber is characterized in that: the polypropylene particles melt index that is adopted is 2-4g/10min.
The production method of described a kind of superfine polypropylene composite fully-drawn wallpaper fiber is characterized in that: the temperature in each district of screw extruder is: a district 240-260 ℃, and two district 280-295 ℃, three district 280-295 ℃, four district 280-295 ℃, five district 280-290 ℃, six district 280-290 ℃.
The present invention's beneficial effect compared with prior art:
By the product that production method of the present invention is produced, overcome the rigidity of conventional polypropylene filament effectively, make polypropylene filament have good resilience and soft.Broken silk after the cut-out has bulkiness, have excellent especially softness and elastic recovery, the superfine fibre that the present invention produced, its single hole has only 2.9dtex, so air guide function admirable, fracture strength is than the polypropylene filament fracture strength height of prior art, and every performance indications of product have satisfied the requirement as wall clothing material.
Description of drawings:
Fig. 1 is a spinning technique flow chart of the present invention;
Fig. 2 is a draft process flow chart of the present invention.
Among the figure:
1. charging aperture, 2. extruder, 3. spinning manifold, 4. the side-blown air compartment 5. descends draw-off godet, 6. goes up draw-off godet, 7. coiling ingot, 8. roller, the 9. first heat dish, 10. hot plate, 11. second heat dishes, 12. cold dishes, 15. the drafted fibre spindle, 16. oil chews, 17. friction rollers, 18. thread guides, 19. Travellers.
The specific embodiment:
Describe one embodiment of the present of invention in detail below in conjunction with accompanying drawing:
Adopt spinning technique flow process as shown in Figure 1, first step spinning: the polypropylene particles that with melt index is 2-4g/10min is leaned on from the charging aperture 1 that reenters on the screw extruder 2 from feed hopper, and screw pressure is 80kgf/cm
2, because the rotation of screw rod, polypropylene particles travels forward along screw channel, in the screw sleeve periphery heating element heater is installed; The polypropylene particles place heating-up temperature of screw extruder 2 from feed zone to discharging section is: a district (feed zone) 240 ℃, 280 ℃ in two districts, 280 ℃ in three districts, 280 ℃ in four districts, 285 ℃ in five districts, 285 ℃ in six districts, 280 ℃ of bend pipes, 280 ℃ of flanges; By sleeve heat is passed to polypropylene particles, after the polypropylene particles melted by heating and be extruded machine compression and extrude, form polypropylene particles melt, enter into spinning manifold 3 with certain pressure; Melt temperature is 260 ℃, and melt distributing pipe temperature is 270 ℃, and spinning manifold 3 temperature are 280 ℃; Under the metering of the measuring pump in casing, be evenly distributed to spinnerets, spinnerets single hole 2.9dtex, spuing from spinneret orifice forms the melt thread; Polypropylene particles through jet stretch ratio after the high-temperature fusion is: 30; Side under spinneret orifice is provided with side-blown air compartment 4, and air quantity is 750NM
3/ time the position, wind speed is between the 0.1m/s, wind-warm syndrome is 12 ℃; The air cooling that is cooled of melt thread is frozen into strand, in cooling, because the stretching action of spinning head, the melt thread is progressively refinement before not solidifying, and oils through last oil nozzle 16, the precursor rate 10% that oils, oil concentration 20% enters the coiling operation after strand oils;
Second step reeled: the polyacrylic fibres after the cooling air cooling, earlier through draw-off godet 5 down again through last draw-off godet 6 and friction roller 17, its spinning silk winding speed 850m/min, coiling is around ingot 7;
The 3rd step was adopted draft process flow chart as shown in Figure 2: the coiling ingot 7 with winding shaping left standstill balance 4 hours earlier, be used to eliminate the internal stress of coiling ingot 7, behind the strand feeding roller 8 on the coiling ingot 7 after the balance, through the first heat dish, 9 → contact hot plate, 10 → the second heat dishes, 11 → cold dish, 12 → thread guide, 18 → Travellers, 19 → drafted fibre spindle 15;
Above-mentioned undrafting wire bar feeding roller 8 coils on 11 around the first heat dish, 9 and second heat with the feeding speed of 40m/min, strand carries out drawing-off between the first heat dish, 9, the second heat dish 11, and typing on contact hot plate 10,, be wound on equably on the drafted fibre spindle 15 again behind cold dish 12 through the strand of drafting forming by thread guide 18, Travellers 19; The draft speed of drafted fibre spindle 15 is 180m/min, and the first heat dish, 9 temperature are 80 ℃, and the second heat dish, 11 temperature are 120 ℃, hot plate temperature is 120 ℃, and the first heat dish, the 9 wrapping wire number of turns are that 3, the second heat dishes, the 11 wrapping wire number of turns are 4, the cold dish 12 wrapping wire number of turns are 3, and drafting multiple is 4 times;
The 4th step cut off: with filament cutter long filament is cut into the broken silk that every segment length is 5mm, and by every pouch 1 kilogram of broken silk of packing into, every sack 20 pouch warehouse entry stocks that pack into.
Adopting the superfine polypropylene composite fully-drawn wallpaper fiber of above-mentioned technological process preparation is 667dtex/230f, adopts the method for GB/T14344-2003 standard code to detect, and the fracture strength of product reaches 5.6cN/dtex.
The performance comparison sheet of 667dtex/230f fiber and conventional 667dtex/110f fiber
| Fiber species | ??667dtex/230f | ??667dtex/110f |
| Resilience | Excellent | Difference |
| Bulkiness | Excellent | Difference |
| Feel | Excellent | Difference |
| Fracture strength | ??5.3-5.7cN/dtex | ??3.5-4.4cN/dtex |
Claims (3)
1. the production method of a superfine polypropylene composite fully-drawn wallpaper fiber is characterized in that taking following steps:
First step spinning: by reentering the charging aperture (1) on the screw extruder (2) certainly, screw pressure is 75-85kgf/cm to polypropylene particles from feed hopper
2, because the rotation of screw rod, polypropylene particles travels forward along screw channel, in the screw sleeve periphery heating element heater is installed; The heating-up temperature of polypropylene particles place screw extruder (2) from feed zone to discharging section is in 200-300 ℃ of scope; By sleeve heat is passed to polypropylene particles, after the polypropylene particles melted by heating and be extruded machine compression and extrude, form polypropylene particles melt, enter into spinning manifold (3) with certain pressure; Melt temperature is 250-270 ℃, and melt distributing pipe temperature is 260-285 ℃, and spinning manifold (3) temperature is 260-290 ℃; Under the metering of the measuring pump in casing, be evenly distributed to spinnerets, spuing from spinneret orifice forms the melt thread; Polypropylene particles through jet stretch ratio after the high-temperature fusion is: 30-40; Side under spinneret orifice is provided with side-blown air compartment (4), and air quantity is 750-850NM
3/ time the position, wind speed is between the 0.1-0.3m/s, wind-warm syndrome is 12-16 ℃; The air cooling that is cooled of melt thread is frozen into strand, in cooling, because the stretching action of spinning head, the melt thread is progressively refinement before not solidifying, and oils through last oil nozzle (16), the precursor rate 10-12% that oils, oil concentration 20-25% enters the coiling operation after strand oils;
Second step reeled: the polyacrylic fibres after the cooling air cooling, earlier through draw-off godet (5) down again through last draw-off godet (6) and friction roller (17), its spinning silk winding speed 850-950m/min, coiling is around ingot (7);
The 3rd step drawing-off: the coiling ingot (7) with winding shaping left standstill balance 3-6 hour earlier, be used to eliminate the internal stress of coiling ingot (7), behind the strand feeding roller (8) on the coiling ingot (7) after the balance, through first heat dish (9) → contact hot plate (10) → second heat dish (11) → cold dish (12) → thread guide (18) → Travellers (19) → drafted fibre spindle (15);
Above-mentioned undrafting wire bar feeding roller (8) coils on (11) around the first heat dish (9) and second heat with the feeding speed of 40-50m/min, strand carries out drawing-off between the first heat dish (9), the second heat dish (11), and in upward typing of contact hot plate (10),, be wound on equably on the drafted fibre spindle (15) again behind cold dish (12) through the strand of drafting forming by thread guide (18), Travellers (19); The draft speed of drafted fibre spindle (15) is 180-220m/min, first heat dish (9) temperature is 80-100 ℃, second heat dish (11) temperature is 120-160 ℃, hot plate temperature is 120-150 ℃, first heat dish (9) wrapping wire number of turns is 3-5, second heat dish (11) wrapping wire number of turns is 4-6, and cold dish (12) the wrapping wire number of turns is 3-5, and drafting multiple is 4-6 times;
The 4th step cut off: with filament cutter long filament is cut into the broken silk that every segment length is 5-7mm, and by every pouch 1 kilogram of broken silk of packing into, every sack 20 pouch warehouse entry stocks that pack into.
2. the production method of a kind of superfine polypropylene composite fully-drawn wallpaper fiber according to claim 1, it is characterized in that: the polypropylene particles melt index that is adopted is 2-4g/10min.
3. the production method of a kind of superfine polypropylene composite fully-drawn wallpaper fiber according to claim 1, it is characterized in that: the temperature in each district of screw extruder (2) is: a district 240-260 ℃, two district 280-295 ℃, three district 280-295 ℃, four district 280-295 ℃, five district 280-290 ℃, six district 280-290 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101257734A CN101812736B (en) | 2010-03-16 | 2010-03-16 | Production method of superfine polypropylene composite fully-drawn wallpaper fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101257734A CN101812736B (en) | 2010-03-16 | 2010-03-16 | Production method of superfine polypropylene composite fully-drawn wallpaper fiber |
Publications (2)
| Publication Number | Publication Date |
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| CN101812736A true CN101812736A (en) | 2010-08-25 |
| CN101812736B CN101812736B (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101257734A Expired - Fee Related CN101812736B (en) | 2010-03-16 | 2010-03-16 | Production method of superfine polypropylene composite fully-drawn wallpaper fiber |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638111A (en) * | 2021-08-27 | 2021-11-12 | 南通欧凯家用纺织品有限公司 | Milk protein fiber home textile fabric |
| CN117904734A (en) * | 2024-03-15 | 2024-04-19 | 宿松县鑫晟辉织造有限公司 | Polyacrylonitrile fiber spinning machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068603A (en) * | 1991-07-13 | 1993-02-03 | 中国科学院化学研究所 | The manufacture method of thin dawn and superfine denier polypropylene fibers |
| CN1186129A (en) * | 1996-12-27 | 1998-07-01 | 中国科学院化学研究所 | Manufacture of polypropylene staple of thin denier |
| CN1212299A (en) * | 1997-09-24 | 1999-03-31 | 山东虎山实业集团有限公司 | Process for producing fine denier polypropylene fiber short-staple |
| WO2003042436A1 (en) * | 2001-11-14 | 2003-05-22 | University Of Leeds | Centrifugal spinning process |
-
2010
- 2010-03-16 CN CN2010101257734A patent/CN101812736B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068603A (en) * | 1991-07-13 | 1993-02-03 | 中国科学院化学研究所 | The manufacture method of thin dawn and superfine denier polypropylene fibers |
| CN1186129A (en) * | 1996-12-27 | 1998-07-01 | 中国科学院化学研究所 | Manufacture of polypropylene staple of thin denier |
| CN1212299A (en) * | 1997-09-24 | 1999-03-31 | 山东虎山实业集团有限公司 | Process for producing fine denier polypropylene fiber short-staple |
| WO2003042436A1 (en) * | 2001-11-14 | 2003-05-22 | University Of Leeds | Centrifugal spinning process |
Non-Patent Citations (1)
| Title |
|---|
| 《广西化纤通讯》 20011231 罗先珍等 细旦丙纶全牵伸长丝的研制 第2－4页 1－3 , 第1期 2 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638111A (en) * | 2021-08-27 | 2021-11-12 | 南通欧凯家用纺织品有限公司 | Milk protein fiber home textile fabric |
| CN117904734A (en) * | 2024-03-15 | 2024-04-19 | 宿松县鑫晟辉织造有限公司 | Polyacrylonitrile fiber spinning machine |
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| CN101812736B (en) | 2011-09-14 |
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