CN107297102A - A kind of preparation method of high-strength corrosion-resisting industrial filter cloth - Google Patents
A kind of preparation method of high-strength corrosion-resisting industrial filter cloth Download PDFInfo
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- CN107297102A CN107297102A CN201710515582.0A CN201710515582A CN107297102A CN 107297102 A CN107297102 A CN 107297102A CN 201710515582 A CN201710515582 A CN 201710515582A CN 107297102 A CN107297102 A CN 107297102A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
- B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/18—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
- D03D13/008—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft characterised by weave density or surface weight
-
- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0613—Woven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
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- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
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- General Chemical & Material Sciences (AREA)
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Abstract
The invention discloses a kind of preparation method of high-strength corrosion-resisting industrial filter cloth, first polyethylene powders and polypropylene are carried out mixed and modified, it is twice-modified to heat progress under vacuum with PET, ptfe emulsion, LNBR, diphenyl silanediol and modified graphene again, then by double screw extruder melting extrusion and manifold spinneret spinneret is passed through, cooling, sizing, obtains twine；Finally by twine knitmesh, industrial filter cloth is obtained.The industrial filter cloth isomorphism that the method that the present invention is provided the is obtained each component high Collaboration for prepare filter cloth materials modified twice, enhances water penetration, mechanical performance, corrosion resistance and the stability in use of filter cloth jointly.
Description
Technical field
The invention belongs to industrial filter cloth preparing technical field, and in particular to a kind of preparation of high-strength corrosion-resisting industrial filter cloth
Method.
Background technology
The main component that current industrial filter cloth is used has polypropylene fibre, terylene, polyamide fibre etc., wherein the most normal with polypropylene fibre and terylene
Using plain weave and twill the means such as it is with, weaving method, with precision is high and the property such as have certain acid and alkali-resistance wear-resisting
Energy.But industrial filter cloth mechanical strength conventional at present is not high, service life is limited, and under extreme conditions using being limited, often
Method is to introduce the resin of high intensity to increase its mechanical strength, but these resins be on the one hand the problem of bring with often
It is inadequate with the Compound Degree of industrial fiber cloth, the performance to greatest extent of performance is influenceed, on the other hand because above component is being knitted
Net is formed after filter cloth and generates larger resistance for liquid filtering, and liquid permeability is remarkably decreased, meanwhile, improved more than
The stability in use of the industrial filter cloth obtained afterwards is not high, i.e., in specified conditions, the strong ring of such as high intensity, high temperature, high humidity, corrosivity
Filter cloth twine hydraulic performance decline can be caused by being used for a long time under border, so as to accelerate filter cloth to scrap speed, finally improve use cost, be dropped
Low using effect.
The content of the invention
The present invention provides a kind of preparation method of high-strength corrosion-resisting industrial filter cloth, passes through specific component and preparation method
Control, mechanical performance, resistance to acids and bases, stability in use and water permeability of overall lifting industrial filter cloth etc..
Technical scheme is as follows：
A kind of preparation method of high-strength corrosion-resisting industrial filter cloth, comprises the following steps：
Step 1,8-10 parts of 10-15 parts of polyethylene powders and polypropylene powder in parts by weight are added to 150-200
In part hot water, stir 10-20 minutes, then add 80-100 parts of absolute ethyl alcohol, be heated to boiling, kept for 5-10 minutes, filter,
Drying, obtains mixture；
Step 2, add mixture in 130-150 parts of dichloroethanes, 70-80 is warming up under nitrogen protective condition
DEG C, react 45-55 minutes, cooled and filtered is washed using solvent, dry, obtain solids；
Step 3, by PET10-15 parts, 6-8 parts of ptfe emulsion, 5-8 parts of LNBR, diphenyl silanediol
5-7 parts and 3-5 parts of modified graphene are mixed with solids, are heated under vacuum with 2-3 DEG C/min of programming rate
105-110 DEG C, kept for 30-40 minutes, be then cooled to 60-70 DEG C, continued to be kept for 80-100 minutes, be down to room temperature, obtain anti-
Answer thing；
Step 4,0.5-1 parts of lubricant is added in reactant, by double screw extruder melting extrusion and passes through spinning
Case spinneret spinneret, is cooled down, and sizing obtains twine；
Step 5, by twine knitmesh, filter cloth is obtained.
Hot water temperature is more than 70 DEG C in the preparation method of described high-strength corrosion-resisting industrial filter cloth, step 1.
Polyethylene powders and polypropylene powder in the preparation method of described high-strength corrosion-resisting industrial filter cloth, step 1
Particle diameter is below 1mm.
The temperature dried in the preparation method of described high-strength corrosion-resisting industrial filter cloth, step 1 is 100-120 DEG C.
Solvent is acetone in the preparation method of described high-strength corrosion-resisting industrial filter cloth, step 2.
The preparation method of modified graphene is to incite somebody to action in the preparation method of described high-strength corrosion-resisting industrial filter cloth, step 3
1-2 parts of 5-8 parts of graphene, lecithin and 0.2-0.4 parts of dibutyl tin laurate in parts by weight is ground to stone after mixing
Black below alkene particle diameter 200nm, then adds 0.5-0.8 parts of glass fibre, stirring mixing 15-20 minutes；Wherein glass fibre is long
Below less than 20 microns of degree, 5 microns of glass fiber diameter.
The vacuum of vacuum condition is 0.01- in the preparation method of described high-strength corrosion-resisting industrial filter cloth, step 3
0.05MPa。
Lubricant is talcum powder in the preparation method of described high-strength corrosion-resisting industrial filter cloth, step 4, and particle diameter is 1000
Mesh.
The warp line footpath of twine knitmesh is 0.18- in the preparation method of described high-strength corrosion-resisting industrial filter cloth, step 5
0.21mm, parallel line footpath is 0.20-0.25mm；Knitmesh through it is close be 23-28 roots/cm, filling density be 14-16 roots/cm.
The preparation method for the high-strength corrosion-resisting industrial filter cloth that the present invention is provided, first by polyethylene, polyacrylic multiple
Close sulfonation modifying and improve filter cloth immersion property so that filter cloth is easier immersion liquid, while passing through diphenyl silanediol, PET, liquid
Body nitrile rubber, modified graphene and ptfe emulsion carry out mixing twice-modified, and sulfonation changes under elevated temperature in vacuo
Property after polyethylene, polypropylene and diphenyl silanediol and ptfe emulsion occur irreversible reaction, produce component between
It is interpolymerized, improve the plasticity of material, further increase and be prepared into combination with modified graphene and LNBR
To the mechanical performance and antiseptic property of filter cloth, the intensity of filter cloth is improved.
By polyethylene, polyacrylic composite sulfonated, 70-80 DEG C of control sulfonating reaction temperature in preparation method of the present invention,
In reaction time 45-55 minute, the sulphonation rate of obtained sulfonation mixture is 0.3-0.4, with certain hydrophily so that final
The industrial filter cloth prepared has preferable inundation, enables to the liquid of filtering to infiltrate and permeate rapidly, but sulphur simultaneously
Change degree is not high, is so easy to the secondary mixed and modified of later stage sulfonation mixture and other components.
Sulfonation modifying simultaneously is carried out using polyethylene, two kinds of components of polypropylene in the present invention, sulphur is controlled by special parameter
Change efficiency, then blending ingredients are carried out it is twice-modified, under elevated temperature in vacuo diphenyl silanediol penetrate into polyethylene, it is poly-
The amorphous area of propylene and PET, forms big point during cooperateing with ptfe emulsion under liquid environment by high-temperature phase-transitional
Subchain free radical, realizes interpolymerized between each component, and modified synergic graphene and LNBR are final during interpolymerized
The compound entirety of " interpolymerized to dissolve each other " is formd, the liquid wellability and liquid permeability of filter cloth are improved, while improving filter
Cloth mechanical performance and corrosion resistance.The sulfonation process and state modulator of the present invention realizes interpolymerized simultaneous of sulfonation modifying and component
Turn round and look at, sulfonation temperature is too high or the long effect for influencing whether that later-stage secondary is mixed and modified of sulfonation time, and then influence final system
The characteristic of standby obtained filter cloth.
Modified graphene is employed in preparation method of the present invention, causes graphene to be easier to disperse by the modification of graphene
Into in the mixture after twice-modified, by the addition reaction of LNBR can it is just twice-modified during to modification
Graphene plays " softening " effect, generates the effect of " removing rigidization ", is conducive to the later stage to prepare twine；And in modified graphene
Glass fibre serve structure crosslinking effect so that the later stage formed twine have good plasticity with further in shape
" rigidity " of enhancing graphene is discharged and cooperateed with after into twine.
Modified graphene is employed in preparation method of the present invention to carry out mixing secondary cross-linking with LNBR, is enhanced
The mechanical performance and decay resistance of filter screen.
Embodiment：
Following examples are the specific implementation process of technical solution of the present invention, wherein the polyethylene powders and polypropylene that use
The particle diameter of powder is good for final experiment effect, and powder diameter is as far as possible small, and below 1mm poly- second is used in following examples
Alkene is tested with polypropylene powder, but is not limited to the scope in actual use.
The preparation method of modified graphene used in following examples be by 5-8 parts of graphene in parts by weight,
Below graphene particle diameter 200nm, Ran Houjia are ground to after the 0.2-0.4 parts of mixing of 1-2 parts of lecithin and dibutyl tin laurate
Enter 0.5-0.8 parts of glass fibre, stirring mixing 15-20 minutes；Wherein below 20 microns of glass fibre length, glass fiber diameter
Less than 5 microns.
Embodiment 1
A kind of preparation method of high-strength corrosion-resisting industrial filter cloth, comprises the following steps：
Step 1, it is 70 8 parts of 10 parts of polyethylene powders and polypropylene powder in parts by weight to be added into 150 parts of temperature
In hot water more than DEG C, stir 10 minutes, then add 80 parts of absolute ethyl alcohol, be heated to boiling, kept for 5 minutes, filtering, 100
Dried under the conditions of DEG C, obtain mixture；
Step 2, add mixture in 130 parts of dichloroethanes, 70 DEG C, reaction 45 are warming up under nitrogen protective condition
Minute, cooled and filtered is washed using acetone, is dried, is obtained solids；
Step 3, by PET10 parts, 6 parts of ptfe emulsion, 5 parts of LNBR, 5 parts of diphenyl silanediol and change
Property 3 parts of graphene mixed with solids, heated in the case where vacuum is 0.01MPa vacuum condition with 2 DEG C/min of programming rate
To 105 DEG C, kept for 30 minutes, be then cooled to 60 DEG C, continued to be kept for 80 minutes, be down to room temperature, obtain reactant；
Step 4,0.5 part of lubricant is added in reactant, by double screw extruder melting extrusion and passes through manifold
Spinneret spinneret, is cooled down, sizing, obtains twine, wherein lubricant is talcum powder, and particle diameter is 1000 mesh；
Step 5, by twine knitmesh, warp line footpath is 0.18-0.21mm, and parallel line footpath is 0.20-0.25mm；Knitmesh is through close
For 23-28 roots/cm, filling density is 14-16 roots/cm, obtains filter cloth.
Embodiment 2
A kind of preparation method of high-strength corrosion-resisting industrial filter cloth, comprises the following steps：
Step 1, it is 70 9 parts of 12 parts of polyethylene powders and polypropylene powder in parts by weight to be added into 160 parts of temperature
In hot water more than DEG C, stir 13 minutes, then add 85 parts of absolute ethyl alcohol, be heated to boiling, kept for 7 minutes, filtering, 105
Dried under the conditions of DEG C, obtain mixture；
Step 2, add mixture in 136 parts of dichloroethanes, 74 DEG C, reaction 48 are warming up under nitrogen protective condition
Minute, cooled and filtered is washed using acetone, is dried, is obtained solids；
Step 3, by PET12 parts, 7 parts of ptfe emulsion, 6 parts of LNBR, 6 parts of diphenyl silanediol and change
Property 4 parts of graphene mixed with solids, heated in the case where vacuum is 0.02MPa vacuum condition with 3 DEG C/min of programming rate
To 106 DEG C, kept for 35 minutes, be then cooled to 64 DEG C, continued to be kept for 87 minutes, be down to room temperature, obtain reactant；
Step 4,0.7 part of lubricant is added in reactant, by double screw extruder melting extrusion and passes through manifold
Spinneret spinneret, is cooled down, sizing, obtains twine, wherein lubricant is talcum powder, and particle diameter is 1000 mesh；
Step 5, by twine knitmesh, warp line footpath is 0.18-0.21mm, and parallel line footpath is 0.20-0.25mm；Knitmesh is through close
For 23-28 roots/cm, filling density is 14-16 roots/cm, obtains filter cloth.
Embodiment 3
A kind of preparation method of high-strength corrosion-resisting industrial filter cloth, comprises the following steps：
Step 1, it is 70 9 parts of 13 parts of polyethylene powders and polypropylene powder in parts by weight to be added into 190 parts of temperature
In hot water more than DEG C, stir 17 minutes, then add 90 parts of absolute ethyl alcohol, be heated to boiling, kept for 8 minutes, filtering, 110
Dried under the conditions of DEG C, obtain mixture；
Step 2, add mixture in 146 parts of dichloroethanes, 77 DEG C, reaction 50 are warming up under nitrogen protective condition
Minute, cooled and filtered is washed using acetone, is dried, is obtained solids；
Step 3, by PET14 parts, 7 parts of ptfe emulsion, 6 parts of LNBR, 6 parts of diphenyl silanediol and change
Property 4 parts of graphene mixed with solids, heated in the case where vacuum is 0.03MPa vacuum condition with 2 DEG C/min of programming rate
To 108 DEG C, kept for 38 minutes, be then cooled to 66 DEG C, continued to be kept for 95 minutes, be down to room temperature, obtain reactant；
Step 4,0.8 part of lubricant is added in reactant, by double screw extruder melting extrusion and passes through manifold
Spinneret spinneret, is cooled down, sizing, obtains twine, wherein lubricant is talcum powder, and particle diameter is 1000 mesh；
Step 5, by twine knitmesh, warp line footpath is 0.18-0.21mm, and parallel line footpath is 0.20-0.25mm；Knitmesh is through close
For 23-28 roots/cm, filling density is 14-16 roots/cm, obtains filter cloth.
Embodiment 4
A kind of preparation method of high-strength corrosion-resisting industrial filter cloth, comprises the following steps：
Step 1, it is 70 10 parts of 15 parts of polyethylene powders and polypropylene powder in parts by weight to be added into 200 parts of temperature
In hot water more than DEG C, stir 20 minutes, then add 100 parts of absolute ethyl alcohol, be heated to boiling, kept for 10 minutes, filtering,
Dried under the conditions of 120 DEG C, obtain mixture；
Step 2, add mixture in 150 parts of dichloroethanes, 80 DEG C, reaction 55 are warming up under nitrogen protective condition
Minute, cooled and filtered is washed using acetone, is dried, is obtained solids；
Step 3, by PET15 parts, 8 parts of ptfe emulsion, 8 parts of LNBR, 7 parts of diphenyl silanediol and change
Property 5 parts of graphene mixed with solids, heated in the case where vacuum is 0.05MPa vacuum condition with 3 DEG C/min of programming rate
To 110 DEG C, kept for 40 minutes, be then cooled to 70 DEG C, continued to be kept for 100 minutes, be down to room temperature, obtain reactant；
Step 4,1 part of lubricant is added in reactant, is sprayed by double screw extruder melting extrusion and by manifold
Filament plate spinneret, is cooled down, sizing, obtains twine, wherein lubricant is talcum powder, and particle diameter is 1000 mesh；
Step 5, by twine knitmesh, warp line footpath is 0.18-0.21mm, and parallel line footpath is 0.20-0.25mm；Knitmesh is through close
For 23-28 roots/cm, filling density is 14-16 roots/cm, obtains filter cloth.
Performance test is carried out to the industrial filter cloth that above example is provided, wherein：
(1) dry-hot shrinkage：Testing sample is placed 50 minutes under the conditions of 100 DEG C, its tensile strain rate is determined.
(2) damp and hot shrinkage factor：Testing sample is placed 50 minutes in 100 DEG C of water, its tensile strain rate is determined.
(3) Air permenbility：At room temperature by testing sample in ventilation per second on measuring unit area under conditions of air pressure 125Pa
The test point of different warps, latitude is taken in amount, same sample test process, tests more than 3 times and averages, unit is cm3/
(cm2·s)。
(4) permeable amount：Filter cloth both sides are caused to form certain pressure difference (125Pa) under normal temperature, by determining in certain time
Through the quality of the water of unit area filter cloth, corresponding permeability rate can be obtained, by it is different warp, latitude measurement point determine 3 times with
On average, unit is cm3/(cm2·s)。
(5) corrosion resistance：Testing sample is soaked into 500h in the HCl and NaOH solution of mass concentration 5% respectively, observed
Surface state, tests tensile break strength.
As a result it is as follows：
As can be seen from the above results, the high-strength corrosion-resisting industrial filter cloth that provides of the present invention has excellent comprehensive
Can, wherein the filter cloth obtained through close and filling density braiding provided with above example is measured, it prewets by dry heat treatment
Air permenbility after heat treatment changes very small with permeable amount, while dry-hot shrinkage changes 0.6% with damp and hot shrinkage factor
In the range of, this be have benefited from present invention introduces modified graphene, it largely improves the mechanical performance of filter cloth materials,
Stability is enhanced, and its tensile break strength has also reached very high index.For in terms of resistance to acids and bases, carrying out acid and alkali-resistance
Experiment after-drawing fracture strength can be kept well, only small decline, therefore, it is possible to be used for a long time under extreme conditions,
And good stability in use is kept, increase the service life.
The present invention is had found by studying, and modified graphene and LNBR are introduced during industrial filter cloth is prepared,
So that the tensile break strength of final filter cloth improves more than 20% when less introducing above component；In resistance to acids and bases experiment,
Introduce modified graphene and LNBR compares when not introducing above component, the stretching tested after acid and alkali-resistance experiment is broken
Resistance to spalling improves more than 25%.In preparation process, by the twice-modified permeability rate for clearly enhancing filter cloth and resistance to dry
Heat and Hygrothermal Properties.
Claims (9)
1. a kind of preparation method of high-strength corrosion-resisting industrial filter cloth, it is characterised in that comprise the following steps：
Step 1,8-10 parts of 10-15 parts of polyethylene powders and polypropylene powder in parts by weight are added to 150-200 parts of heat
In water, stir 10-20 minutes, then add 80-100 parts of absolute ethyl alcohol, be heated to boiling, kept for 5-10 minutes, filter, dry
It is dry, obtain mixture；
Step 2, add mixture in 130-150 parts of dichloroethanes, 70-80 DEG C is warming up under nitrogen protective condition, instead
Answer 45-55 minutes, cooled and filtered is washed using solvent, dry, obtain solids；
Step 3, by PET10-15 parts, 6-8 parts of ptfe emulsion, 5-8 parts of LNBR, diphenyl silanediol 5-7
3-5 parts of part and modified graphene are mixed with solids, are heated to 105- under vacuum with 2-3 DEG C/min of programming rate
110 DEG C, kept for 30-40 minutes, be then cooled to 60-70 DEG C, continued to be kept for 80-100 minutes, be down to room temperature, obtain reactant；
Step 4,0.5-1 parts of lubricant is added in reactant, is sprayed by double screw extruder melting extrusion and by manifold
Filament plate spinneret, is cooled down, and sizing obtains twine；
Step 5, by twine knitmesh, filter cloth is obtained.
2. the preparation method of high-strength corrosion-resisting industrial filter cloth according to claim 1, it is characterised in that hot in step 1
Coolant-temperature gage is more than 70 DEG C.
3. the preparation method of high-strength corrosion-resisting industrial filter cloth according to claim 1, it is characterised in that gather in step 1
The particle diameter of ethylene powder and polypropylene powder is below 1mm.
4. the preparation method of high-strength corrosion-resisting industrial filter cloth according to claim 1, it is characterised in that dried in step 1
Dry temperature is 100-120 DEG C.
5. the preparation method of high-strength corrosion-resisting industrial filter cloth according to claim 1, it is characterised in that molten in step 2
Agent is acetone.
6. the preparation method of high-strength corrosion-resisting industrial filter cloth according to claim 1, it is characterised in that change in step 3
Property graphene preparation method be by 1-2 parts of 5-8 parts of graphene, lecithin and dibutyl tin laurate in parts by weight
Below graphene particle diameter 200nm is ground to after 0.2-0.4 parts of mixing, 0.5-0.8 parts of glass fibre, stirring mixing is then added
15-20 minutes；Wherein below 20 microns of glass fibre length, below 5 microns of glass fiber diameter.
7. the preparation method of high-strength corrosion-resisting industrial filter cloth according to claim 1, it is characterised in that true in step 3
The vacuum of empty condition is 0.01-0.05MPa.
8. the preparation method of high-strength corrosion-resisting industrial filter cloth according to claim 1, it is characterised in that moisten in step 4
Lubrication prescription is talcum powder, and particle diameter is 1000 mesh.
9. the preparation method of high-strength corrosion-resisting industrial filter cloth according to claim 1, it is characterised in that net in step 5
The warp line footpath of silk net is 0.18-0.21mm, and parallel line footpath is 0.20-0.25mm；Knitmesh is through close for 23-28 roots/cm, filling density
For 14-16 roots/cm.
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| CN108970245A (en) * | 2018-06-28 | 2018-12-11 | 安徽原野滤材有限公司 | A kind of flame-resistant high-temperature-resistant dust-removal cloth-bag material |
| CN109825923A (en) * | 2019-01-28 | 2019-05-31 | 常州武城服饰有限公司 | A kind of preparation method of ageing-resistant uvioresistant sunshade net |
| CN113069832A (en) * | 2021-04-07 | 2021-07-06 | 天台宏辉过滤科技有限公司 | Hydrophobic anti-blocking wear-resistant industrial filter cloth and preparation method thereof |
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Cited By (6)
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| CN108950853A (en) * | 2018-06-28 | 2018-12-07 | 安徽原野滤材有限公司 | A kind of anti-extension stretch-proof High performance industrial filter cloth materials |
| CN108978024A (en) * | 2018-06-28 | 2018-12-11 | 安徽原野滤材有限公司 | A kind of grease proofing antistatic dust-removal cloth-bag material of water repellent |
| CN108970245A (en) * | 2018-06-28 | 2018-12-11 | 安徽原野滤材有限公司 | A kind of flame-resistant high-temperature-resistant dust-removal cloth-bag material |
| CN108926907A (en) * | 2018-07-26 | 2018-12-04 | 安徽省利特环保技术有限公司 | A kind of antistatic dust removal filter cloth and preparation method thereof |
| CN109825923A (en) * | 2019-01-28 | 2019-05-31 | 常州武城服饰有限公司 | A kind of preparation method of ageing-resistant uvioresistant sunshade net |
| CN113069832A (en) * | 2021-04-07 | 2021-07-06 | 天台宏辉过滤科技有限公司 | Hydrophobic anti-blocking wear-resistant industrial filter cloth and preparation method thereof |
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| CN107297102B (en) | 2018-07-17 |
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