CN105063779B - A kind of chemical resistance composite monofilament and preparation method thereof - Google Patents
A kind of chemical resistance composite monofilament and preparation method thereof Download PDFInfo
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- CN105063779B CN105063779B CN201510472160.0A CN201510472160A CN105063779B CN 105063779 B CN105063779 B CN 105063779B CN 201510472160 A CN201510472160 A CN 201510472160A CN 105063779 B CN105063779 B CN 105063779B
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- 239000002131 composite material Substances 0.000 title claims abstract description 78
- 239000000126 substance Substances 0.000 title claims abstract description 61
- 238000002360 preparation method Methods 0.000 title claims abstract description 55
- 239000012792 core layer Substances 0.000 claims abstract description 77
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 44
- 238000000034 method Methods 0.000 claims abstract description 38
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 12
- 238000009987 spinning Methods 0.000 claims description 59
- 150000001875 compounds Chemical class 0.000 claims description 38
- 238000002844 melting Methods 0.000 claims description 28
- 230000008018 melting Effects 0.000 claims description 28
- 238000001035 drying Methods 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 7
- 239000011162 core material Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 15
- 239000004744 fabric Substances 0.000 abstract description 11
- 238000002604 ultrasonography Methods 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000654 additive Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 238000005253 cladding Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000007786 electrostatic charging Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229920002627 poly(phosphazenes) Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Multicomponent Fibers (AREA)
Abstract
The invention discloses a kind of chemical resistance composite monofilaments and preparation method thereof, the chemical resistance composite monofilament, cortex and center core layer material by using the material PP and PPS of chemical-resistance as composite monofilament, to improve chemical-resistance, filter material base fabric is captured as dust, not only filterability is good, but also durable, and then extends the service life of the filter material using the chemical resistance composite monofilament；Simultaneously, in the preparation method of chemical resistance composite monofilament provided by the invention, using ultrasonic cleaning technique, ultrasound is set to remove the nanometer calcium carbonate of fiber surface in ultrasonic tank, so that hole occurs in center core layer monofilament surface, the bonding area between center core layer monofilament and cortex is increased, so that the bond stress between center core layer monofilament and cortex is more preferably, the wear-resisting property of the chemical resistance composite monofilament is improved, and then is conducive to the service life of the fabric using the chemical resistance composite monofilament.
Description
Technical field
The present invention relates to a kind of compound fibrous material and preparation method thereof more particularly to a kind of compound lists of chemical resistance
Silk and preparation method thereof.
Background technique
Composite monofilament is as a kind of compound fibrous material, and product is with surface is smooth, color is gorgeous, waterproof, prevents
The advantages that oil, antiultraviolet, fire-retardant, nice and cool, wear-resisting, long service life, thus it is widely used in outdoor lie fallow article, furniture
On each products such as decoration, beach chair, hammock, curtain, automobile cushion foot pad, doormat, decoration articles.But due to prepare it is compound
Higher cost, product on production line be single when monofilament and product quality is not high enough and receives certain limitation.
In order to improve product quality, related technical personnel have devised new method.Such as Chinese patent, Publication No.
" skin core type color fiber " of CN201406488, the utility model use the complex structure of filament of core-skin type, and sandwich layer is coloured fibre
Dimension, is coated by cortex, is used to defend material product for this fiber, dyestuff will not with direct body contact, it is fool proof, environmentally friendly.Together
When, skin core type color fiber is directly made through specific spinning pack using sandwich layer and cortical material, simple process is easy to real
It is existing；Such as Chinese patent, " a kind of conductive polymer resin and the core-sheath composite structure dyeable of Publication No. CN101434739
Antistatic fibre ", fiber made from the invention, has the characteristics that easily molded, easy dyeing in processing.It is processed with the invention product
Fabric out has excellent static dissipation characteristics, and it is existing can to significantly improve chemical fibre, wool fabric, the electrostatic charging of non-woven fabrics
As can be suitably used for the purposes such as various civilian garment materials, staple fiber filler, wool fabric, antistatic work clothes；Specially such as China
Benefit, " production methods of multifunctional composite bicomponent fiber spunbond nonwoven fabrics " of Publication No. CN1523154, the Composite Double group
The production method for dividing fiber spunbond non-woven cloth is included respectively drying through three groups, is squeezed, after filtering with 2 kinds or 3 kinds of resins,
A kind of middle resin enters two main manifolds arranged side by side；Another two groups of resins enter back into main spinning after entering the secondary manifold of arranged side by side two
Silk case enters dedicated filament spinning component with the resin for being directly entered main manifold, carries out in the micropore of spinneret compound.And it sprays
Thread respectively after cross air blasting, drawing-off, pendulum wire with one can two-way walk cloth lapper lace curtaining on be paved into fibre web.It can be to needle
Thorn machine or hot-rolling mill send fibre web, and the spun-bonded needle punched or hot-rolled product of bi-component is made.
However, the core filaments of these above-mentioned patent center core layers are all outsourcings, center core layer back is purchased, then by polyphosphazene polymer
Polymer melt cladding is cortex, two-step method processing, center core layer outsourcing, so that higher cost；And product is single, and difference produces
Product need to be required according to technique different in production to convert different core filaments, and flexibility is not high enough, further increases
Production cost；Meanwhile chemical-resistance is relatively low.
Summary of the invention
In view of the above problems, the present invention provides a kind of chemical resistance composite monofilament and preparation method thereof, to overcome
The lower problem of composite monofilament chemical-resistance in the prior art, also overcomes composite monofilament higher cost in the prior art
Problem to not only improve the chemical-resistance of composite monofilament, but also reduces the production cost of composite monofilament, simultaneously, moreover it is possible to raw
The a variety of composite monofilaments of output.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of chemical resistance composite monofilament, wherein it include: the center core layer that material is PPS and the cortex that material is PP, it is described
Cortex coats the center core layer.
Above-mentioned chemical resistance composite monofilament, wherein nanometer calcium carbonate, and the nano-sized carbon are mixed in the center core layer
The additive amount of sour calcium is 6%~15%.
Above-mentioned chemical resistance composite monofilament, wherein the filament diameter of the center core layer is 0.05~3.15mm.
Above-mentioned chemical resistance composite monofilament, wherein the center core layer and the cortex it is compound than be 32~68:68~
32。
A kind of preparation method of such as above-mentioned chemical resistance composite monofilament, wherein include:
(1) PPS for being mixed with nanometer calcium carbonate is sliced, it is clear through drying process, screw rod melting, spinning, drawing and setting, ultrasound
Center core layer monofilament is made after washing；
(2) PP is sliced, cortex is made after drying, screw rod melting；
(3) it is cold then to carry out water-bath for the compound, spinning by manufactured center core layer monofilament in step (1) and step (2) and cortex
But, chemical resistance composite monofilament is made in last coiling and molding.
The preparation method of above-mentioned chemical resistance composite monofilament, wherein be mixed with 6%~15% in PPS described in step (1)
Nanometer calcium carbonate.
The preparation method of above-mentioned chemical resistance composite monofilament, wherein pre- at 60~110 DEG C when the drying process
Crystallization 1~4 hour heats up 110~135 DEG C, keeps the temperature 5~11 hours at 135 DEG C for 1~5 hour；
When the screw rod melts, the pump of extruder is for amount: 250~550g/min, pressure: 50~150kg/cm2, preheating zone
Temperature: 265~300 DEG C, melting zone temperature: 285~315 DEG C, metering zone temperature: 295~315 DEG C；
When the spinning, die plate temperature: 285~315 DEG C, spinning speed: 50~300m/min；
When the drawing and setting, draw ratio: 3~5.5, setting temperature: 150~210 DEG C；
When the ultrasonic cleaning, ultrasonic tank length: 10~15 meters, ultrasonic power: 0.15~1.5KW.
The preparation method of above-mentioned chemical resistance composite monofilament, wherein in step (3), the center core layer monofilament and described
Cortex compound tense, the pump of extruder is for amount: 100~200g/min, host temperature: 160~200 DEG C, head temperature: 160~200
DEG C, screw pressure: 150~300kg/cm2。
The preparation method of above-mentioned chemical resistance composite monofilament, wherein equipment used in the combination process in step (3) with
Equipment used in screw rod smelting process in step (1) is same equipment；Equipment and step used in spinning technique in step (3)
Suddenly equipment used in the spinning technique in (1) is also same equipment.
The preparation method of above-mentioned chemical resistance composite monofilament, wherein the spinning technique in step (3) uses parallel spinning
Technique.
The technical scheme has the following advantages or beneficial effects:
Chemical resistance composite monofilament provided by the invention, by using the material PP and PPS of chemical-resistance as compound
The cortex and center core layer material of monofilament capture to improve the chemical-resistance of the chemical resistance composite monofilament as dust
Filter material base fabric, not only filterability is good, but also durable, and then extends the use longevity of the filter material using the chemical resistance composite monofilament
Life.
In the preparation method of chemical resistance composite monofilament provided by the invention, using ultrasonic cleaning technique, make ultrasound super
The nanometer calcium carbonate that fiber surface is removed in sound sink increases center core layer monofilament so that hole occurs in center core layer monofilament surface
Bonding area between cortex improves the chemical resistance so that the bond stress between center core layer monofilament and cortex is more preferably
The wear-resisting property of composite monofilament, and then be conducive to the service life of the fabric using the chemical resistance composite monofilament.
In addition, in the preparation method of chemical resistance composite monofilament provided by the invention, due to center core layer monofilament and cortex
Combination process employed in equipment and center core layer monofilament screw rod melt used by equipment be same equipment, center core layer list
Equipment used by the spinning technique of silk and cortex equipment employed in the spinning technique after compound and center core layer monofilament is also
It is identical, it may be assumed that the compound of chemical resistance composite monofilament, spinning work and the preparation work of center core layer monofilament are complete on same production line
At not only having reduced equipment investment amount, but also reduce intermediate link, and then can reduce being prepared into for chemical resistance composite monofilament
This.
On the other hand, due to center core layer monofilament and outer layer it is compound after spinning technique using parallel spinning technique, more
The deficiency (workshop is complicated, equipment investment is big, operating cost is high) that composite spinning in the prior art uses vertical spinning has been mended,
On the parallel spinning silk thread of center core layer monofilament, the characteristics of adding a set of melting cladding die head, form monofilament continuous production, online cladding,
Equipment investment is reduced, workshop is simple, operating cost is low, varietal adaptation is strong, is able to produce out thick composite monofilament, further to drop
The low production cost of chemical resistance composite monofilament.
Detailed description of the invention
By reading referring to the following drawings detailed description made for the present invention, the invention and its features, appearance and advantages
It will become more apparent.
Fig. 1 is the process flow chart of the preparation method of chemical resistance composite monofilament provided by the invention.
Specific embodiment
The present invention is further illustrated with specific embodiment with reference to the accompanying drawing, but not as limit of the invention
It is fixed.
Fig. 1 is the process flow chart of the preparation method of chemical resistance composite monofilament provided by the invention；As shown, this hair
The preparation method of the chemical resistance composite monofilament of bright offer includes:
(1) PPS for being mixed with nanometer calcium carbonate is sliced, it is clear through drying process, screw rod melting, spinning, drawing and setting, ultrasound
Center core layer monofilament is made after washing；
(2) PP is sliced, cortex is made after drying, screw rod melting；
(3) it is cold then to carry out water-bath for the compound, spinning by manufactured center core layer monofilament in step (1) and step (2) and cortex
But, chemical resistance composite monofilament is made in last coiling and molding.
Wherein, 6%~15% nanometer calcium carbonate is mixed in step (1) in PPS；And when being dried, 60~110
Pre-crystallized 1~4 hour at DEG C, heats up 110~135 DEG C within 1~5 hour, keep the temperature 5~11 hours at 135 DEG C；
In screw rod melting, the pump of extruder is for amount: 250~550g/min, pressure: 50~150kg/cm2, preheating zone temperature
Degree: 265~300 DEG C, melting zone temperature: 285~315 DEG C, metering zone temperature: 295~315 DEG C；
In spinning, die plate temperature: 285~315 DEG C, spinning speed: 50~300m/min；
In drawing and setting, draw ratio: 3~5.5, setting temperature: 150~210 DEG C；
In ultrasonic cleaning, ultrasonic tank length: 10~15 meters, ultrasonic power: 0.15~1.5KW.
In step (3), center core layer monofilament and cortex compound tense, the pump of extruder is for amount: 100~200g/min, host temperature
Degree: 160~200 DEG C, head temperature: 160~200 DEG C, screw pressure: 150~300kg/cm2。
Equipment used in equipment used in combination process in step (3) and the screw rod smelting process in step (1) is same
One equipment；Equipment used in spinning technique in step (3) is also same set with equipment used in the spinning technique in step (1)
It is standby.
Meanwhile the spinning technique in step (3) uses parallel spinning technique.
Using chemical resistance composite monofilament made of the preparation method of the chemical resistance composite monofilament includes: material for PPS
Center core layer and material be PP cortex, cortex coat center core layer；Wherein, nanometer calcium carbonate, and nanometer are mixed in center core layer
The additive amount of calcium carbonate is 6%~15%；The filament diameter of center core layer is 0.05~3.15mm；The compound ratio of center core layer and cortex
For 32~68:68~32.
Embodiment 1:
1, the preparation of PPS center core layer:
The preparation step of center core layer includes: that will be mixed with the PPS chip drying of nanometer calcium carbonate, then carry out screw rod melting,
Spinning, drawing and setting, ultrasonic cleaning；Wherein, the additive amount of nanometer calcium carbonate is 6%；The diameter of center core layer monofilament is 0.05mm.
Technological parameter in its preparation step specifically: in chip drying: pre-crystallized 1 hour at 60~110 DEG C；It heats up within 1 hour
110~135 DEG C；5 hours are kept the temperature at 135 DEG C.In screw rod melting: the pump of extruder is for amount: 250g/min；Pressure: 50kg/
cm2；Preheating zone temperature: 265 DEG C；Melting zone temperature: 285 DEG C；Metering zone temperature: 295 DEG C.In spinning: die plate temperature: 285
℃；Spinning speed: 50m/min.In drawing and setting: draw ratio: 3；Setting temperature: 150 DEG C.In ultrasonic cleaning: ultrasound
Sink length: 10 meters；Power: 0.15KW.
2, the preparation of PP cortex:
The preparation step of cortex includes: that PP chip drying is then carried out screw rod melting.
3, the preparation of chemical resistance composite monofilament:
The preparation step of chemical resistance composite monofilament be by center core layer monofilament and cortex it is compound after be spun into composite monofilament
Step comprising: the compound, spinning by center core layer monofilament made of both the above step and cortex then carries out water-bath cooling, most
Coiling and molding afterwards.Wherein, the compound ratio of center core layer and cortex is 32:68, the technological parameter of compound tense specifically: the pump of extruder
For amount: 100g/min；Host temperature: 160 DEG C；Head temperature: 160 DEG C；Screw pressure: 150kg/cm2。
Embodiment 2:
1, the preparation of PPS center core layer:
The preparation step of center core layer includes: that will be mixed with the PPS chip drying of nanometer calcium carbonate, then carry out screw rod melting,
Spinning, drawing and setting, ultrasonic cleaning；Wherein, the additive amount of nanometer calcium carbonate is 15%；The diameter of center core layer monofilament is
3.15mm.Technological parameter in its preparation step specifically: in chip drying: pre-crystallized 4 hours at 60~110 DEG C；5 is small
110~135 DEG C of Shi Shengwen；11 hours are kept the temperature at 135 DEG C.In screw rod melting: the pump of extruder is for amount: 550g/min；Pressure
Power: 150kg/cm2；Preheating zone temperature: 300 DEG C；Melting zone temperature: 315 DEG C；Metering zone temperature: 315 DEG C.In spinning: template
Temperature: 315 DEG C；Spinning speed: 300m/min.In drawing and setting: draw ratio: 5.5；Setting temperature: 210 DEG C.In ultrasound
When cleaning: ultrasonic tank length: 15 meters；Power: 1.5KW.
2, the preparation of PP cortex:
The preparation step of cortex includes: that PP chip drying is then carried out screw rod melting.
3, the preparation of chemical resistance composite monofilament:
The preparation step of chemical resistance composite monofilament be by center core layer monofilament and cortex it is compound after be spun into composite monofilament
Step comprising: the compound, spinning by center core layer monofilament made of both the above step and cortex then carries out water-bath cooling, most
Coiling and molding afterwards.Wherein, the compound ratio of center core layer and cortex is 68:32, the technological parameter of compound tense specifically: the pump of extruder
For amount: 200g/min；Host temperature: 200 DEG C；Head temperature: 200 DEG C；Screw pressure: 300kg/cm2。
Embodiment 3:
1, the preparation of PPS center core layer:
The preparation step of center core layer includes: that will be mixed with the PPS chip drying of nanometer calcium carbonate, then carry out screw rod melting,
Spinning, drawing and setting, ultrasonic cleaning；Wherein, the additive amount of nanometer calcium carbonate is 9%；The diameter of center core layer monofilament is 1.0mm.
Technological parameter in its preparation step specifically: in chip drying: pre-crystallized 2 hours at 60~110 DEG C；It heats up within 2 hours
110~135 DEG C；7 hours are kept the temperature at 135 DEG C.In screw rod melting: the pump of extruder is for amount: 350g/min；Pressure: 90kg/
cm2；Preheating zone temperature: 285 DEG C；Melting zone temperature: 295 DEG C；Metering zone temperature: 295 DEG C.In spinning: die plate temperature: 295
℃；Spinning speed: 100m/min.In drawing and setting: draw ratio: 4；Setting temperature: 180 DEG C.In ultrasonic cleaning: ultrasound
Sink length: 12 meters；Power: 0.7KW.
2, the preparation of PP cortex:
The preparation step of cortex includes: that PP chip drying is then carried out screw rod melting.
3, the preparation of chemical resistance composite monofilament:
The preparation step of chemical resistance composite monofilament be by center core layer monofilament and cortex it is compound after be spun into composite monofilament
Step comprising: the compound, spinning by center core layer monofilament made of both the above step and cortex then carries out water-bath cooling, most
Coiling and molding afterwards.Wherein, the compound ratio of center core layer and cortex is 40:60, the technological parameter of compound tense specifically: the pump of extruder
For amount: 130g/min；Host temperature: 175 DEG C；Head temperature: 175 DEG C；Screw pressure: 200kg/cm2。
Embodiment 4:
1, the preparation of PPS center core layer:
The preparation step of center core layer includes: that will be mixed with the PPS chip drying of nanometer calcium carbonate, then carry out screw rod melting,
Spinning, drawing and setting, ultrasonic cleaning；Wherein, the additive amount of nanometer calcium carbonate is 12%；The diameter of center core layer monofilament is 2.6mm.
Technological parameter in its preparation step specifically: in chip drying: pre-crystallized 3 hours at 60~110 DEG C；It heats up within 4 hours
110~135 DEG C；9 hours are kept the temperature at 135 DEG C.In screw rod melting: the pump of extruder is for amount: 450g/min；Pressure:
120kg/cm2；Preheating zone temperature: 305 DEG C；Melting zone temperature: 303 DEG C；Metering zone temperature: 307 DEG C.In spinning: template temperature
Degree: 305 DEG C；Spinning speed: 150m/min.In drawing and setting: draw ratio: 5；Setting temperature: 195 DEG C.It is being cleaned by ultrasonic
When: ultrasonic tank length: 14 meters；Power: 1.2KW.
2, the preparation of PP cortex:
The preparation step of cortex includes: that PP chip drying is then carried out screw rod melting.
3, the preparation of chemical resistance composite monofilament:
The preparation step of chemical resistance composite monofilament be by center core layer monofilament and cortex it is compound after be spun into composite monofilament
Step comprising: the compound, spinning by center core layer monofilament made of both the above step and cortex then carries out water-bath cooling, most
Coiling and molding afterwards.Wherein, the compound ratio of center core layer and cortex is 60:40, the technological parameter of compound tense specifically: the pump of extruder
For amount: 170g/min；Host temperature: 185 DEG C；Head temperature: 185 DEG C；Screw pressure: 250kg/cm2。
In conclusion in the preparation method of chemical resistance composite monofilament provided in an embodiment of the present invention, using ultrasonic cleaning
Technique makes ultrasound remove the nanometer calcium carbonate of fiber surface in ultrasonic tank, so that hole occurs in center core layer monofilament surface, increases
Add the bonding area between center core layer monofilament and cortex, so that the bond stress between center core layer monofilament and cortex is more preferably,
The wear-resisting property of the chemical resistance composite monofilament is improved, and then is conducive to the use of the fabric using the chemical resistance composite monofilament
Service life.
In addition, in the preparation method of chemical resistance composite monofilament provided in an embodiment of the present invention, due to center core layer monofilament
Equipment used by the screw rod of equipment employed in combination process with cortex and center core layer monofilament melts is same equipment, in
Used by the spinning technique of core layer filaments and the cortex equipment employed in the spinning technique after compound and center core layer monofilament
Equipment is also identical, it may be assumed that the compound of chemical resistance composite monofilament, spinning work and the preparation work of center core layer monofilament are in same production
It is completed on line, has not only reduced equipment investment amount, but also reduce intermediate link, and then can reduce the system of chemical resistance composite monofilament
Standby cost.
On the other hand, due to center core layer monofilament and outer layer it is compound after spinning technique using parallel spinning technique, more
The deficiency (workshop is complicated, equipment investment is big, operating cost is high) that composite spinning in the prior art uses vertical spinning has been mended,
On the parallel spinning silk thread of center core layer monofilament, the characteristics of adding a set of melting cladding die head, form monofilament continuous production, online cladding,
Equipment investment is reduced, workshop is simple, operating cost is low, varietal adaptation is strong, is able to produce out thick composite monofilament, further to drop
The low production cost of chemical resistance composite monofilament.
The compound list of chemical resistance made of preparation method using chemical resistance composite monofilament provided in an embodiment of the present invention
Silk, cortex and center core layer material of the material PP and PPS with chemical-resistance as composite monofilament, so that it is resistance to improve this
The chemically chemical-resistance of composite monofilament captures filter material base fabric as dust, and not only filterability is good, but also durable, Jin Eryan
The service life of the filter material using the chemical resistance composite monofilament is grown.
It should be appreciated by those skilled in the art that those skilled in the art combine the prior art and above-described embodiment can be real
The existing change case, it will not be described here.Such change case does not affect the essence of the present invention, and it will not be described here.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, devices and structures not described in detail herein should be understood as gives reality with the common mode in this field
It applies；Anyone skilled in the art makes many possible changes and modifications not departing from technical solution of the present invention, or
Equivalent example modified to equivalent change, this is not affected the essence of the present invention.Therefore, all without departing from skill of the present invention
The content of art scheme, according to the technical essence of the invention any simple modification made to the above embodiment, equivalent variations and repair
Decorations, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (4)
1. a kind of chemical resistance composite monofilament characterized by comprising the cortex that the center core layer and material that material is PPS are PP,
The cortex coats the center core layer；Wherein, it is mixed with nanometer calcium carbonate in the center core layer, and the nanometer calcium carbonate adds
Dosage is 6%~15%；The filament diameter of the center core layer is 0.05~3.15mm；The center core layer and the cortex it is compound
Than for 32~68:68~32.
2. a kind of preparation method of chemical resistance composite monofilament as described in claim 1 characterized by comprising
(1) PPS for being mixed with nanometer calcium carbonate is sliced, after drying process, screw rod melting, spinning, drawing and setting, ultrasonic cleaning
Center core layer monofilament is made；
(2) PP is sliced, cortex is made after drying, screw rod melting；
(3) the compound, spinning by manufactured center core layer monofilament in step (1) and step (2) and cortex, then carries out water-bath cooling,
Chemical resistance composite monofilament is made in last coiling and molding；
Wherein, it when the drying process, pre-crystallized 1~4 hour at 60~110 DEG C, heats up 110~135 DEG C within 1~5 hour,
5~11 hours are kept the temperature at 135 DEG C；
When the screw rod melts, the pump of extruder is for amount: 250~550g/min, pressure: 50~150kg/cm2, preheating zone temperature:
265~300 DEG C, melting zone temperature: 285~315 DEG C, metering zone temperature: 295~315 DEG C；
When the spinning, die plate temperature: 285~315 DEG C, spinning speed: 50~300m/min；
When the drawing and setting, draw ratio: 3~5.5, setting temperature: 150~210 DEG C；
When the ultrasonic cleaning, ultrasonic tank length: 10~15 meters, ultrasonic power: 0.15~1.5KW；
In step (3), the center core layer monofilament and the cortex compound tense, the pump of extruder is for amount: 100~200g/min, main
Machine temperature: 160~200 DEG C, head temperature: 160~200 DEG C, screw pressure: 150~300kg/cm2；
Equipment used in combination process in step (3) is same set with equipment used in the screw rod smelting process in step (1)
It is standby；Equipment used in equipment used in spinning technique in step (3) and the spinning technique in step (1) is also same equipment.
3. the preparation method of chemical resistance composite monofilament as claimed in claim 2, which is characterized in that PPS described in step (1)
In be mixed with 6%~15% nanometer calcium carbonate.
4. the preparation method of chemical resistance composite monofilament as claimed in claim 2, which is characterized in that the spinning in step (3)
Technique uses parallel spinning technique.
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| CN109825898A (en) * | 2019-02-03 | 2019-05-31 | 上海海春纺织科技有限公司 | Functional fibre and its preparation method and application |
| CN110295402B (en) * | 2019-06-11 | 2021-02-09 | 宜宾天原集团股份有限公司 | Preparation method of polyphenylene sulfide fiber |
| CN111041607B (en) * | 2019-11-05 | 2022-08-09 | 杭州逸暻化纤有限公司 | Skin-core structure deep-dyed polyester fiber and preparation method thereof |
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