CN107938177A - With position iso-fineness polyester filament geotextiles preparation method - Google Patents

With position iso-fineness polyester filament geotextiles preparation method Download PDF

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Publication number
CN107938177A
CN107938177A CN201711440054.XA CN201711440054A CN107938177A CN 107938177 A CN107938177 A CN 107938177A CN 201711440054 A CN201711440054 A CN 201711440054A CN 107938177 A CN107938177 A CN 107938177A
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CN
China
Prior art keywords
polyester filament
same
preparation
fineness
geotextiles
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711440054.XA
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Chinese (zh)
Inventor
曾世军
高娜
张春苗
邓春久
蒙英志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Huayang New Materials Technology Co Ltd
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Dalian Huayang New Materials Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN201711440054.XA priority Critical patent/CN107938177A/en
Publication of CN107938177A publication Critical patent/CN107938177A/en
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D13/00—Complete machines for producing artificial threads
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D04H3/011—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/03—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments at random
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/105—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by needling

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The invention discloses a kind of same position iso-fineness polyester filament geotextiles preparation method, preparation process are as follows：Same polyester slice is after drying, filtered by same extruder melting extrusion, into same spinning manifold, extrude to obtain melt filament by different aperture spinneret orifice on the same spinneret on same filament spinning component, cooled down by cross air blowing device, tubular type air drawing, pendulum wire lapping, then fibre web acupuncture is consolidated, winding, trimming, lick-up obtains same position iso-fineness polyester filament non-woven cloth, i.e., with position iso-fineness polyester filament geotextiles.Geotextiles prepared by this method have the advantages that cloth thickness accordingly reduces under unit area, cloth surface uniformity is good, water penetration is strong, elongation at break is high, tensile strength and bursting strength are strong.

Description

With position iso-fineness polyester filament geotextiles preparation method
Technical field
The present invention relates to a kind of geotextiles preparation method, particularly a kind of same position iso-fineness polyester filament geotextiles preparation side Method.
Background technology
Geotextiles have outstanding filtering, draining, isolation, reinforcement, antiseepage, protective action, are widely used in water conservancy, electricity The earthwork engineerings such as power, mine, highway and railway.Wherein polyester filament geotextiles are more because its is light-weight, tensile strength is high, water penetration The features such as good, ageing-resistant, corrosion-resistant, captures rapidly geotextiles market.At this stage, polyester filament geotextiles on the market, its The filament number of long filament is basically identical, and the height of filament number changes, and larger shadow is produced to the physical index of geotextiles Ring.The high long filament geotextiles of filament number, its advantage are：Under unit area, cloth cover is rigidly big, tensile strength and bursting strength It is high；Shortcoming is：Under unit area, cloth thickness is big, cloth cover lack of homogeneity, bad hydraulic permeability, and elongation at break is low.Filament number is small Long filament geotextiles, its advantage is：Under unit area, cloth thickness is small, and cloth cover is uniform, good water permeability, and elongation at break is high；Lack Putting is：Cloth cover is soft, and tensile strength and bursting strength are low.
If the geotextiles obtained using the filament fiber mixing mode into the net of different filament numbers, high fiber number part are strong Power is high, and resilience is good, forms the skeleton of fiber, and low-titer part uniformity is good, soft.The high long filament geotechnique with filament number Cloth is compared, and the performance which finally shows is, under unit area, good water permeability, elongation at break improve, but tensile strength And bursting strength slightly reduces.This iso-fineness polyester filament geotextiles physical index is adjustable, more meets in the market to geotextiles The demand of different performance, wide market.The most obvious example of the application of iso-fineness fiber non-woven is exactly that we are known SMS Spunbonded Nonwovens, but entirely spin journey and polyester filament geotextiles technique it is different, this technics comparing is answered It is miscellaneous, and product purpose is different.
The content of the invention
The object of the present invention is to provide one kind, cloth thickness accordingly reduces under unit area, cloth surface uniformity is good, water penetration By force, the same position iso-fineness polyester filament geotextiles preparation method that elongation at break is high, tensile strength and bursting strength are strong, overcomes existing There is the deficiency of technology.
The same position iso-fineness polyester filament geotextiles preparation method of the present invention, preparation process are as follows：
Same polyester slice is after drying, filtered by same extruder melting extrusion, into same spinning manifold, passes through Different aperture spinneret orifice is extruded to obtain melt filament on same spinneret on same filament spinning component, is cooled down by cross air blowing device, Tubular type air drawing, pendulum wire lapping, then consolidates fibre web acupuncture, and winding, trimming, lick-up obtains same position iso-fineness polyester Filament nonwoven cloth, i.e., with position iso-fineness polyester filament geotextiles.
The iso-fineness numerical control of the iso-fineness polyester filament is made as 2 kinds, and filament number ratio is 1.5-3, and filament number is 1.5-8dpf, including high fiber number fiber, low-denier fiber outside, is arranged in circular concentric.
It is 1.0-4.0 that the high fiber number fiber mixes fine ratio with low-denier fiber.
The blowing of the lateral-blowing air cooling device cross air blasting is highly 1200 ~ 1100mm, and side-blown air temperature is 21-24 DEG C, wind speed is 0.3-0.8 m/s.
The tubular type air drawing pressure：4800 m/min of 0.3-0.6Mpa, draft speed ＞.
Tow after tubular type air drawing enters pendulum wire device after electrostatic sub-wire, electrostatic sub-wire device voltage for 15000v~ 30000v, pendulum wire device frequency are 600~1000n/min., and the amplitude of oscillation is 40~60mm；The tow set is placed in lapper upper berth Net, lapper process speed are 2~18 m/min, and it is 2~9 m/min to inhale net wind speed.
Described fibre web acupuncture consolidation is that fibre web smoothly enters pre-needling machine, pre-needling machine bestock is 3000~ 3500 pins/m, punch frequency are 900~1450 times/min, and acupuncture traverse is 40mm, and depth of needling is 8~10mm.
Web through pre-needling carries out main acupuncture consolidation, main needing machine bestock：3500~4000 pins/m, acupuncture frequency Rate：800~1400 times/min, acupuncture traverse：30mm, depth of needling：3~6mm.
Automatic trimming is wound again after acupuncture consolidates networking, and winding speed is 2m/min~18m/min.
The same position iso-fineness polyester filament geotextiles preparation method of the present invention, the iso-fineness long filament of the mixed fine ratio of difference is to use Same polyester raw material obtains different thicknesses melt stream by the same spinneret on the same component on same spinning manifold, Tow is cooled down by same lateral-blowing air cooling device and same drafting tube completes tow air drawing so that iso-fineness terylene is grown The simplicity that silk geotextiles manufacturing process becomes, manufactures cost reduction, product accordingly reduces with cloth thickness under unit area in itself, cloth The advantages of surface uniformity is good, water penetration is strong, elongation at break is high, tensile strength and bursting strength are strong.
Embodiment
The same position iso-fineness polyester filament geotextiles preparation method of the present invention, step are as follows：Same polyester slice is through dry It is filtered by same extruder melting extrusion after dry, into same spinning manifold, pass through the same spray on same filament spinning component Different aperture spinneret orifice is extruded to obtain melt filament on filament plate, is cooled down by cross air blowing device, tubular type air drawing, pendulum wire lapping, Then fibre web acupuncture is consolidated, winding, trimming, lick-up obtains same position iso-fineness polyester filament non-woven cloth, i.e., different with position Fiber number polyester filament geotextiles.The iso-fineness numerical control of iso-fineness polyester filament is made as 2 kinds, and filament number ratio is 1.5-3, and monofilament is fine Spend for 1.5-8dpf, including high fiber number fiber, low-denier fiber outside, is arranged in circular concentric.High fiber number fiber and low-titer It is 1.0-4.0 that fiber, which mixes fine ratio,.The blowing of lateral-blowing air cooling device cross air blasting is highly 1200 ~ 1100mm, and side-blown air temperature is 21-24 DEG C, wind speed is 0.3-0.8 m/s.Tubular type air drawing pressure：4800 m/min of 0.3-0.6Mpa, draft speed ＞.Pipe Tow after formula air drawing enters pendulum wire device after electrostatic sub-wire, and electrostatic sub-wire device voltage is 15000v~30000v, pendulum wire Device frequency is 600~1000n/min., and the amplitude of oscillation is 40~60mm；The tow set is placed in lapping on lapper, lapper work Skill speed is 2~18 m/min, and it is 2~9 m/min to inhale net wind speed.Fibre web acupuncture consolidation is that fibre web smoothly enters pre-needling Machine, pre-needling machine bestock are 3000~3500 pins/m, and punch frequency is 900~1450 times/min, and acupuncture traverse is 40mm, Depth of needling is 8~10mm.Web through pre-needling carries out main acupuncture consolidation, main needing machine bestock：3500~4000 Pin/m, punch frequency：800~1400 times/min, acupuncture traverse：30mm, depth of needling：3~6mm.After acupuncture consolidates networking Automatic trimming is wound again, and winding speed is 2m/min~18m/min.
The present invention dries highly by adjusting cross air blowing device, controls the distribution of vertical wind speed to reach using same set of side-blown Wind apparatus uniformly cools down the iso-fineness tow of different mixed fine ratios.Iso-fineness spun filament enters drafting tube, tow in drafting tube by To drafting force size be heavily dependent on the size of monofilament specific surface area, or be believed that and be decided by filament number.Monofilament Fiber number is small, and specific surface area is big, and the gas-flow resistance that tow is subject to is big, and drafting force is with regard to big；Vice versa, and the present invention is exactly that make use of this A mechanism, is finally made the polyester filament of different fiber numbers.Iso-fineness long filament is by frictional electrostatic sub-wire device, negative electricity in tow band Lotus, is separated from each other due to there is electrostatic tow, by high-speed flow high-speed uniform lapping in drafting tube.
Example 1~3：
Using conventional polyester filament spunbond geotextiles preparation process, polyester slice after drying, into screw extruder, passes through Filter, into spinning manifold, it is thin to obtain different thicknesses melt by the same spinneret on the same component on same spinning manifold Stream.Cooled down by cross air blowing device, tubular type air drawing, pendulum wire lapping, then fibre web acupuncture is consolidated, winding, trimming, automatically Doffing obtains the same position iso-fineness polyester filament non-woven cloth.The filament linear-density of each example use, mixed fine ratio are shown in Table 1, respectively The related preparation process condition of example is shown in Table 2.
Table 1
Table 2
。

Claims (9)

  1. A kind of 1. same position iso-fineness polyester filament geotextiles preparation method, it is characterised in that：Preparation process is as follows：
    Same polyester slice is after drying, filtered by same extruder melting extrusion, into same spinning manifold, passes through Different aperture spinneret orifice is extruded to obtain melt filament on same spinneret on same filament spinning component, is cooled down by cross air blowing device, Tubular type air drawing, pendulum wire lapping, then consolidates fibre web acupuncture, and winding, trimming, lick-up obtains same position iso-fineness polyester Filament nonwoven cloth, i.e., with position iso-fineness polyester filament geotextiles.
  2. 2. same position iso-fineness polyester filament geotextiles preparation method according to claim 1, it is characterised in that：Described is different The iso-fineness numerical control of fiber number polyester filament is made as 2 kinds, and filament number ratio is 1.5-3, filament number 1.5-8dpf, and high fiber number is fine Including dimension, low-denier fiber outside, is arranged in circular concentric.
  3. 3. same position iso-fineness polyester filament geotextiles preparation method according to claim 2, it is characterised in that：High fiber number is fine It is 1.0-4.0 that dimension mixes fine ratio with low-denier fiber.
  4. 4. same position iso-fineness polyester filament geotextiles preparation method according to claims 1 to 3, it is characterised in that：It is described The blowing of lateral-blowing air cooling device cross air blasting be highly 1200 ~ 1100mm, side-blown air temperature is 21-24 DEG C, wind speed 0.3- 0.8 m/s。
  5. 5. same position iso-fineness polyester filament geotextiles preparation side according to claim 1, it is characterised in that the tubular type Air drawing pressure：4800 m/min of 0.3-0.6Mpa, draft speed ＞.
  6. 6. same position iso-fineness polyester filament geotextiles preparation method according to claim 1, it is characterised in that：Tubular type air-flow Tow after drawing-off enters pendulum wire device after electrostatic sub-wire, and electrostatic sub-wire device voltage is 15000v~30000v, pendulum wire device frequency For 600~1000n/min., the amplitude of oscillation is 40~60mm；The tow set is placed in lapping on lapper, lapper process speed For 2~18 m/min, it is 2~9 m/min to inhale net wind speed.
  7. 7. same position iso-fineness polyester filament geotextiles preparation method according to claim 1, it is characterised in that：The fibre Net acupuncture consolidation is that fibre web smoothly enters pre-needling machine, and pre-needling machine bestock is 3000~3500 pins/m, punch frequency For 900~1450 times/min, acupuncture traverse is 40mm, and depth of needling is 8~10mm.
  8. 8. same position iso-fineness polyester filament geotextiles preparation method according to claim 7, it is characterised in that：Through pre-needling Web carry out main acupuncture consolidation, main needing machine bestock：3500~4000 pins/m, punch frequency：800~1400 times/ Min, acupuncture traverse：30mm, depth of needling：3~6mm.
  9. 9. same position iso-fineness polyester filament geotextiles preparation method according to claim 1, it is characterised in that：Consolidate through acupuncture Form automatic trimming winding again after netting, winding speed is 2m/min~18m/min.
CN201711440054.XA 2017-12-27 2017-12-27 With position iso-fineness polyester filament geotextiles preparation method Pending CN107938177A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109338505A (en) * 2018-08-10 2019-02-15 苏州多瑈新材料科技有限公司 A kind of preparation method of the long filament base fibrous material of branched structure

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Publication number Priority date Publication date Assignee Title
CN1403637A (en) * 2001-09-13 2003-03-19 中国石化上海石油化工股份有限公司 Hot-pipe spinning process of producing composite Dacron filament with different fiber and diffent shrinkage
CN1596095A (en) * 2001-12-14 2005-03-16 金伯利-克拉克环球有限公司 Mixed denier fluid management layers
CN103074739A (en) * 2013-01-29 2013-05-01 大连华阳化纤科技有限公司 Production method for polypropylene spun-bonded needle-punched geotextile
CN103088557A (en) * 2013-01-29 2013-05-08 大连华阳化纤科技有限公司 Producing method of double-component spun-bonded hot wind concretion non woven
CN103205902A (en) * 2013-03-05 2013-07-17 大连华阳化纤科技有限公司 Production method of polyester filament spunbonded needle-punched felt base
CN103614861A (en) * 2013-11-14 2014-03-05 大连恒大高新材料开发有限公司 Polyester filament needle-punched geotechnical cloth production method
CN105803680A (en) * 2014-12-31 2016-07-27 大连华阳新材料科技股份有限公司 Method for preparing needle-punched geotextile for bituminous waterproof sheet materials with polyester bottle chips as raw materials

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1403637A (en) * 2001-09-13 2003-03-19 中国石化上海石油化工股份有限公司 Hot-pipe spinning process of producing composite Dacron filament with different fiber and diffent shrinkage
CN1596095A (en) * 2001-12-14 2005-03-16 金伯利-克拉克环球有限公司 Mixed denier fluid management layers
CN103074739A (en) * 2013-01-29 2013-05-01 大连华阳化纤科技有限公司 Production method for polypropylene spun-bonded needle-punched geotextile
CN103088557A (en) * 2013-01-29 2013-05-08 大连华阳化纤科技有限公司 Producing method of double-component spun-bonded hot wind concretion non woven
CN103205902A (en) * 2013-03-05 2013-07-17 大连华阳化纤科技有限公司 Production method of polyester filament spunbonded needle-punched felt base
CN103614861A (en) * 2013-11-14 2014-03-05 大连恒大高新材料开发有限公司 Polyester filament needle-punched geotechnical cloth production method
CN105803680A (en) * 2014-12-31 2016-07-27 大连华阳新材料科技股份有限公司 Method for preparing needle-punched geotextile for bituminous waterproof sheet materials with polyester bottle chips as raw materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109338505A (en) * 2018-08-10 2019-02-15 苏州多瑈新材料科技有限公司 A kind of preparation method of the long filament base fibrous material of branched structure

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