CN105926164A - Geotextile - Google Patents
Geotextile Download PDFInfo
- Publication number
- CN105926164A CN105926164A CN201610527209.2A CN201610527209A CN105926164A CN 105926164 A CN105926164 A CN 105926164A CN 201610527209 A CN201610527209 A CN 201610527209A CN 105926164 A CN105926164 A CN 105926164A
- Authority
- CN
- China
- Prior art keywords
- geotextiles
- speed
- speed stirred
- parts
- polyacrylonitrile
- Prior art date
- 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.)
- Granted
Links
- 239000004746 geotextile Substances 0.000 title claims abstract description 51
- 239000000835 fiber Substances 0.000 claims abstract description 57
- 229920002239 polyacrylonitrile Polymers 0.000 claims abstract description 22
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 16
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 13
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 13
- 239000004611 light stabiliser Substances 0.000 claims abstract description 12
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 9
- 239000004760 aramid Substances 0.000 claims abstract description 9
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 9
- 239000004917 carbon fiber Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 66
- 238000009987 spinning Methods 0.000 claims description 39
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 28
- 239000004744 fabric Substances 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- 229910052799 carbon Inorganic materials 0.000 claims description 21
- 238000002156 mixing Methods 0.000 claims description 21
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims description 18
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims description 18
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 claims description 18
- 150000008301 phosphite esters Chemical class 0.000 claims description 16
- JBTXGEJRJCNRLU-UHFFFAOYSA-N [2-(dihydroxyphosphanyloxymethyl)-3-hydroxy-2-(hydroxymethyl)propyl] dihydrogen phosphite Chemical compound OP(O)OCC(CO)(CO)COP(O)O JBTXGEJRJCNRLU-UHFFFAOYSA-N 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 238000001467 acupuncture Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 230000007480 spreading Effects 0.000 claims description 13
- 238000003892 spreading Methods 0.000 claims description 13
- 238000009966 trimming Methods 0.000 claims description 13
- 150000001412 amines Chemical class 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000002530 phenolic antioxidant Substances 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims description 6
- 239000011574 phosphorus Substances 0.000 claims description 6
- 229940018564 m-phenylenediamine Drugs 0.000 claims description 4
- 238000004381 surface treatment Methods 0.000 claims description 4
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- 238000009775 high-speed stirring Methods 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- QWENKMCDOWMUAG-UHFFFAOYSA-N 2,6-diaminobenzaldehyde Chemical compound NC1=CC=CC(N)=C1C=O QWENKMCDOWMUAG-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 230000003712 anti-aging effect Effects 0.000 abstract description 3
- 238000007710 freezing Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 244000025254 Cannabis sativa Species 0.000 abstract 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 abstract 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 abstract 1
- 240000000491 Corchorus aestuans Species 0.000 abstract 1
- 235000011777 Corchorus aestuans Nutrition 0.000 abstract 1
- 235000010862 Corchorus capsularis Nutrition 0.000 abstract 1
- 235000009120 camo Nutrition 0.000 abstract 1
- 235000005607 chanvre indien Nutrition 0.000 abstract 1
- 239000011487 hemp Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000002585 base Substances 0.000 description 31
- 230000000052 comparative effect Effects 0.000 description 21
- 230000000694 effects Effects 0.000 description 10
- 238000007254 oxidation reaction Methods 0.000 description 7
- 241000722949 Apocynum Species 0.000 description 5
- 230000032683 aging Effects 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229920002521 macromolecule Polymers 0.000 description 3
- 239000007800 oxidant agent Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003026 anti-oxygenic effect Effects 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- LNTHITQWFMADLM-UHFFFAOYSA-N gallic acid Chemical compound OC(=O)C1=CC(O)=C(O)C(O)=C1 LNTHITQWFMADLM-UHFFFAOYSA-N 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006701 autoxidation reaction Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229940074391 gallic acid Drugs 0.000 description 1
- 235000004515 gallic acid Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000005461 organic phosphorous group Chemical group 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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
- D04H3/08—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
-
- 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
-
- 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
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/90—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides
- D01F6/905—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides of aromatic polyamides
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a geotextile. According to the essentials of the technical scheme, the geotextile is prepared from the following components in parts by weight: 55 to 80 parts of meta-aromatic polyamide, 10 to 20 parts of polyacrylonitrile-based carbon fibers, 10 to 20 parts of jute and ambary hemp fibers, 0.1 to 1.5 parts of an antioxidant, 0.1 to 1.5 parts of a light stabilizer, 0.1 to 1 part of a cold-resisting agent and 0.1 to 2 parts of nano silicon dioxide. The geotextile prepared from the components has the advantages of good anti-ageing property, anti-freezing property, high-temperature resistance, high tensile strength and good permeability.
Description
Technical field
The present invention relates to building material field, particularly to a kind of geotextiles.
Background technology
Geotextiles is a kind of New Building Materials, and it is present in soil and pipeline, the one between gabion, or retaining wall
In order to strengthen water sport and to hinder the geosynthetics of soil movement.As interlayer material, geotextiles need high temperature resistant, have
The feature that higher melt, tensile strength are high, uniformity is good, adsorptivity permeability chemistry strong, anti-biological resistance is strong.
Conventional geotextiles has excellent filtration, isolation, reinforcement protection effect in use, and tensile strength is high, anti-freezing
The feature of excellent effect.But routine geotextiles the most usually there is also some problems, in engineering, geotextiles is general
Can be permanently present, but it mostly is macromolecular material, so aging phenomenon easily occurs.Aging phenomenon is very big to the harm of engineering,
There will be the problems such as pit, cracking, rut, antiskid performance is not enough during pavement usage, and solve these problems and be accomplished by road pavement
Keep in repair, thus economic loss can be brought.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide the geotextiles of a kind of function admirable, this soil
Work cloth is anti-aging and anti-freezing excellent effect, high temperature resistant, tensile strength is high, good penetrability.
The above-mentioned technical purpose of the present invention has the technical scheme that a kind of geotextiles, including as follows
The component of parts by weight,
By above-mentioned setting, select meta-aromatic polyamide as the base material of geotextiles, be because meta-aromatic and gather
Acid amides is originally as linear macromolecule, in flexible structure, steady chemical structure.Meta-aromatic polyamide has the high temperature resistant of excellence
Property, flame resistance, dimensionally stable under high temperature, wearability, resistance to bend(ing) is good, so being capable of withstanding high temperature as geotextiles when it uses,
And it is not susceptible to deformation.
Polyacrylonitrile-based carbon fibre, it is to general organic solvent, and acid, alkali all has good corrosion resistance, and superelevation is strong
Power, insoluble the most swollen, the little light weight of density, fiber finer and soft, wear-resisting endurance, there is lubricity, Bc is good.So
It plays numerous excellent effect in the geotextiles being processed into.And polypropylene machine carbon fiber and meta-aromatic polyamide phase
Can improve the mechanical property of meta-aromatic polyamide during effect so that the flexibility of meta-aromatic polyamide, resistance to bend(ing) adds
By force, it is not susceptible to fold.
And the jute-kenaf fibres in component has compared with high-tenacity, fiber is thick and stiff, the thick thick geotextiles that is suitable for weaving, also have
Fabulous water imbibition, environmental sound, cheap.So component adds jute-kenaf fibres, it is possible to make geotextiles have very
Good adsorptivity.
Also include antioxidant, owing to material can occur oxidation under long-term use, and by external condition
Affect and accelerated oxidation, so the use of antioxidant can slow down oxidation rate, the service life of auxetic material.
In component, the addition of light stabilizer can shield light, absorbs and shifts light energy, so just can slow down and execute
Man-hour, geotextiles was exposed to the impact that causes under light.And light stabilizer and antioxidant synergy can reduce oxidant
Consumption and strengthen aging-resistant effect.
In component, the use of cold-resistant agent can make material also maintain excellent mechanical property under compared with low temperature, it is ensured that normal
Work.
In component, the existence of nano silicon can improve bonding effect, and it can improve the toughness of material, tension
Intensity and impact strength also improve, and heat resistance also increases substantially, moreover it is possible to improve the ageing resistace of material.
Preferably, described meta-aromatic polyamide selects poly.
By technique scheme, poly molecule is to be connected with each other meta phenyl by amide group
The linear macromolecule constituted, in its crystal, hydrogen bond exists on two planar, and hydrogen bond action is strong, the poly-isophthalic of meta two
Formyl m-phenylene diamine (MPD) steady chemical structure, has the high temperature resistant and fire resistance of excellence, good chemical stability energy, and electricity is absolutely
Edge performance and decay resistance, so the base material poly as geotextiles can make under the high temperature conditions
With, and function admirable.
Preferably, described antioxidant is made up of phenolic antioxidant and Phosphorus antioxidant.
By technique scheme, when geotextiles in processing or has made product in use, all can run into higher
The situation of temperature, so being easy to oxidation reaction, causes be affected service life, can slow down so adding antioxidant
Oxidation reaction occur thus extend the service life of product.And select phenols oxidant and Phosphorus oxidant jointly act on be because of
For there is synergy between the two, oxidation resistant effect can be greatly improved, and can also be that material is adding deteriorating of man-hour simultaneously
To controlling, it is ensured that product quality.
Preferably, described phenolic antioxidant selects 1, double [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine of 2-,
2-[1-(2-hydroxyl-3,5-bis-tertiary amyl phenyl)-ethyl]-4, the one in 6-bis-tertiary amyl phenyl acrylate, Phosphorus anti-
Oxygen agent selects 4-(2,4-di-tert-butyl-phenyl-4,4-xenyl) biphosphonate and 2-(2,4-bis-p-isopropyl phenyl) Ji Wusi
One in alcohol bis-phosphite.
By technique scheme, selecting 1,2-double [β-(3,5-di-tert-butyl-hydroxy phenyl) propionyl] is as antioxygen
Agent, it has the double action of hindered phenol and hydrazides, can effectively prevent polymer from being affected by metal ion and causing
Autoxidation.The melting characteristic that 1,2-double [β-(3,5-di-tert-butyl-hydroxy phenyl) propionyl] can melt completely can make it
Easily it is mixed in polymer and occurs without scattered problem.4-(2,4-di-tert-butyl-phenyl-4,4-xenyl) biphosphonate
Being a kind of macromolecule antioxidant, at high temperature antioxygen usefulness is prominent does not pollutes for it, also has certain light stabilization.2-(2,
4-bis-p-isopropyl phenyl pentaerythritol bis-phosphite and 1,2-double [β-(3,5-di-tert-butyl-hydroxy phenyl) propionyl] association
Same-action can improve the antioxygenic property of entirety, and it can give the good processing stability of component and modification of colour.
So when phenolic antioxidant acts synergistically with Phosphorus antioxidant, it can effectively slow down product oxidation in use,
Extend product service life.
Preferably, described light stabilizer selects hindered amine light stabilizer.
Preferably, described hindered amine light stabilizer selects three (1,2,2,6,6-pentamethvl base) phosphite ester.
By technique scheme, hindered amine light stabilizer is the organic amine chemical combination that a class has space steric effect
Thing, effect is 2-4 times of tradition light stabilizer, has good synergy with phenolic antioxidant, so being obstructed described in Xuan Yonging
Amine light stabilizer selects three (1,2,2,6,6-pentamethvl base) phosphite ester.Containing multiple anti-aging base in its molecule
Group, addition is few, and purposes is wide, and ageing resistace is excellent.And hindered amines photooxidant and phenolic antioxidant and organic phosphorous
Esters of gallic acid antioxidant all has cooperative effect, thus better when it is used in mixed way.
Preferably, described cold-resistant agent selects dioctyl phthalate.
By technique scheme, dioctyl phthalate and polymer have good compatibility.And O-phthalic
Dioctyl phthalate has good combination property, good mixing property, and speedup efficiency is high, and volatility is relatively low, and low-temperature pliability is preferable, resistance to
Water is extracted out, and electric property is high, and heat resistance and weatherability are good.Therefore material adds dioctyl phthalate may remain in
Preferable mechanical property is still had under lower temperature.
Preferably, described polyacrylonitrile-based carbon fibre is the polyacrylonitrile-based carbon fibre through surface preparation.
Preferably, the process of described surface preparation is to be continuously introduced into carbon fiber surface with the ozone of concentration 0.5-15mg/L
Process stove and carbon fiber is carried out surface process.
By technique scheme, through the polyacrylonitrile-based carbon fibre of surface preparation, improve and poly-isophthalic diformazan
The wellability of acyl m-phenylene diamine (MPD), improves composite property.Concrete preprocessing process is with reference to Application No. 86108839.5
Chinese patent.Wherein said surface preparation process is by produced by ultraviolet ozonizer by the gas containing oxygen
High activity ozone is continuously introduced into surface treatment of carbon fibers stove and carries out surface process with the carbon fiber from retort.Carbon fiber surface
Treatment temperature is 70-150 DEG C, and the surface treatment of carbon fibers time is 30-800s.
Another mesh of the present invention is to provide the preparation method of a kind of geotextiles.
The above-mentioned technical purpose of the present invention is achieved through the following technical solutions: the preparation method of a kind of geotextiles includes
Following steps,
Step 1: according to weight portion, weighs poly 55-80 part；Polyacrylonitrile-based carbon fibre 10-20 part；
Jute-kenaf fibres 10-20 part；After the slow-speed of revolution adds high-speed mixer and mixing, high-speed stirred 8-10min；
Step 2: add 1 according to weight portion in high mixer under the conditions of high-speed stirred, double [β-(3, the 5-di-t-butyl-4-hydroxyls of 2-
Base phenyl) propionyl] hydrazine 0.1-1.5 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.1-1 part；Three (1,
2,2,6,6-pentamethvl bases) phosphite ester 0.1-1.5 part；Dioctyl phthalate 0.1-1 part；High-speed stirred 5-
7min；
Step 3；In high mixer, nano silicon 0.1-2 part, high-speed stirring is added according to weight portion under the conditions of high-speed stirred
Mixing 5-7min, mixing terminates, and discharging is standby；
Step 4: extruded by double screw extruder by mixed material, extruder frequency is 400-600 rev/min；
Step 5: material step 4 gone out is filtered by melt filtration machine；
Step 6: the product after filtering in step 5 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 7: cooling strand carries out air drawing in the speed of 4000-5000m/s；
Step 8: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 9: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
By technique scheme, by batches each component being added in high mixer, it is possible to make the mixing of each component all
Geotextiles that is even, that produce, quality high-quality.
It is an advantage of the invention that produced geotextiles has high temperature resistant, dimensionally stable under high temperature, wearability is good, quality
Gently, and resistance to chemical attack, mass intensity is good, excellent adsorption.This geotextiles is long for service life, also has the feature of environmental protection.
Detailed description of the invention
By the following examples the present invention is described in further detail.
Embodiment one,
Step 1: according to weight portion, weighs poly 60 parts；Polyacrylonitrile-based carbon fibre 10 parts；Yellow bluish dogbane
Fiber 10 parts；The slow-speed of revolution adds high-speed mixer and mixing, then high-speed stirred 8min；
Then adding 1 under the conditions of high-speed stirred in high mixer, 2-is double [β-(3,5-di-tert-butyl-hydroxy phenyl) propionyl]
Hydrazine 0.5 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.1 part；Three (1,2,2,6,6-pentamethvl
Base) phosphite ester 0.5 part；Dioctyl phthalate 0.1 part；High-speed stirred 5min；
Under the conditions of high-speed stirred, in high mixer, finally add nano silicon 0.1 part, high-speed stirred 5min, hybrid junctions
Bundle, discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 400 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4000m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Embodiment two,
Step 1: according to weight portion, weighs poly 65 parts；Polyacrylonitrile-based carbon fibre 12 parts；Yellow bluish dogbane
Fiber 12 parts；The slow-speed of revolution adds high-speed mixer and mixing, then high-speed stirred 8.5min；
Then adding 1 under the conditions of high-speed stirred in high mixer, 2-is double [β-(3,5-di-tert-butyl-hydroxy phenyl) propionyl]
Hydrazine 0.6 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.2 part；Three (1,2,2,6,6-pentamethvl
Base) phosphite ester 0.6 part；Dioctyl phthalate 0.2 part；High-speed stirred 5.5min；
Under the conditions of high-speed stirred, in high mixer, finally add nano silicon 0.4 part, high-speed stirred 5.5min, hybrid junctions
Bundle, discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 450 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4200m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Embodiment three,
Step 1: according to weight portion, weighs poly 70 parts；Polyacrylonitrile-based carbon fibre 13 parts；Yellow bluish dogbane
Fiber 13 parts；The slow-speed of revolution adds high-speed mixer and mixing, then high-speed stirred 9min；
In high mixer, 1 is added, double [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine of 2-under the conditions of high-speed stirred
0.7 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.5 part；Three (1,2,2,6,6-pentamethvl
Base) phosphite ester 0.7 part；Dioctyl phthalate 0.5 part；High-speed stirred 6min；
Under the conditions of high-speed stirred, in high mixer, finally add nano silicon 0.5 part, high-speed stirred 6min, hybrid junctions
Bundle, discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 500 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4400m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Embodiment four,
Step 1: according to weight portion, weighs poly 75 parts；Polyacrylonitrile-based carbon fibre 14 parts；Yellow bluish dogbane
Fiber 14 parts；The slow-speed of revolution adds high-speed mixer and mixing, then high-speed stirred 9.5min；
In high mixer, 1 is added, double [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine of 2-under the conditions of high-speed stirred
0.8 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.8 part；Three (1,2,2,6,6-pentamethvl
Base) phosphite ester 0.8 part；Dioctyl phthalate 0.4 part；High-speed stirred 6.5min；
Adding nano silicon 0.8 part, high-speed stirred 6.5min under the conditions of high-speed stirred in high mixer, mixing terminates,
Discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 550 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4700m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Embodiment five,
Step 1: according to weight portion, weighs poly 80 parts；Polyacrylonitrile-based carbon fibre 15 parts；Yellow bluish dogbane
Fiber 15 parts；The slow-speed of revolution adds high-speed mixer and mixing, then high-speed stirred 10min；
Then adding 1 under the conditions of high-speed stirred in high mixer, 2-is double [β-(3,5-di-tert-butyl-hydroxy phenyl) propionyl]
Hydrazine 1 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 1 part；Three (1,2,2,6,6-pentamethvl bases)
Phosphite ester 1 part；Dioctyl phthalate 0.5 part；High-speed stirred 7min；
Finally adding nano silicon 1 part, high-speed stirred 7min under the conditions of high-speed stirred in high mixer, mixing terminates,
Discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 600 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 5000m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Comparative example one,
Comparative example 1 is different from embodiment 1 and is characterised by, the component in comparative example 1 does not include polyacrylonitrile-based carbon fibre, Huang Hong
Flaxen fiber.
Step 1: according to weight portion, weighs poly 60 parts；1,2-pair [β-(3,5-di-t-butyls-
4-hydroxy phenyl) propionyl] hydrazine 0.5 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.1 part；Three (1,2,
2,6,6-pentamethvl bases) phosphite ester 0.5 part；Dioctyl phthalate 0.1 part；Add the stirring of high mixer high speed
8min；
Under the conditions of high-speed stirred, in high mixer, finally add nano silicon 0.1 part, high-speed stirred 5min, hybrid junctions
Bundle, discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 400 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4000m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Comparative example two,
Comparative example 2 is different from embodiment 1 and is characterised by, the component in comparative example 1 does not include jute-kenaf fibres.
Step 1: according to weight portion, weighs poly 60 parts；Polyacrylonitrile-based carbon fibre 10 parts；Low
Rotating speed adds high-speed mixer and mixing, then high-speed stirred 8min；
Then adding 1 under the conditions of high-speed stirred in high mixer, 2-is double [β-(3,5-di-tert-butyl-hydroxy phenyl) propionyl]
Hydrazine 0.5 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.1 part；Three (1,2,2,6,6-pentamethvl
Base) phosphite ester 0.5 part；Dioctyl phthalate 0.1 part；High-speed stirred 5min；
Under the conditions of high-speed stirred, in high mixer, finally add nano silicon 0.1 part, high-speed stirred 5min, hybrid junctions
Bundle, discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 400 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4000m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Comparative example three,
Comparative example 3 is different from embodiment 1 and is characterised by, the component in comparative example 1 does not include polyacrylonitrile-based carbon fibre.
Step 1: according to weight portion, weighs poly 60 parts；Jute-kenaf fibres 10 parts；The slow-speed of revolution adds
Enter high-speed mixer and mixing, then high-speed stirred 8min；
Then adding 1 under the conditions of high-speed stirred in high mixer, 2-is double [β-(3,5-di-tert-butyl-hydroxy phenyl) propionyl]
Hydrazine 0.5 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.1 part；Three (1,2,2,6,6-pentamethvl
Base) phosphite ester 0.5 part；Dioctyl phthalate 0.1 part；High-speed stirred 5min；
Under the conditions of high-speed stirred, in high mixer, finally add nano silicon 0.1 part, high-speed stirred 5min, hybrid junctions
Bundle, discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 400 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4000m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth
Comparative example four,
Comparative example 4 is different from embodiment 1 and is characterised by, the component in comparative example 1 does not include 1, double [β-(3, the 5-bis-tertiary fourths of 2-
Base-4-hydroxy phenyl) propionyl] hydrazine.
Step 1: according to weight portion, weighs poly 60 parts；Polyacrylonitrile-based carbon fibre 10 parts；Yellow
Bastose 10 parts；The slow-speed of revolution adds high-speed mixer and mixing, then high-speed stirred 8min；
Then under the conditions of high-speed stirred, in high mixer, add two (2,4-bis-p-isopropyl phenyl) pentaerythrite diphosphite
Ester 0.1 part；Three (1,2,2,6,6-pentamethvl base) phosphite ester 0.5 part；Dioctyl phthalate 0.1 part；High-speed stirring
Mix 5min；Last addition nano silicon 0.1 part, high-speed stirred 5min, mixing in high mixer under the conditions of high-speed stirred
Terminating, discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 400 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4000m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Comparative example five,
Comparative example 5 is different from embodiment 1 and is characterised by, the component in comparative example 1 does not include two (2,4-bis-cumic aldehydes
Base) pentaerythritol bis-phosphite.
Rapid 1: according to weight portion, weigh poly 60 parts；Polyacrylonitrile-based carbon fibre 10 parts；Huang Hong
10 parts of flaxen fiber；The slow-speed of revolution adds high-speed mixer and mixing, then high-speed stirred 8min；
Then adding 1 under the conditions of high-speed stirred in high mixer, 2-is double [β-(3,5-di-tert-butyl-hydroxy phenyl) propionyl]
Hydrazine 0.5 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.1 part；Three (1,2,2,6,6-pentamethvl
Base) phosphite ester 0.5 part；Dioctyl phthalate 0.1 part；High-speed stirred 5min；
Under the conditions of high-speed stirred, in high mixer, finally add nano silicon 0.1 part, high-speed stirred 5min, hybrid junctions
Bundle, discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 400 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4000m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Comparative example six
Comparative example 6 is different from embodiment 1 and is characterised by, the component in comparative example 1 does not include 1, double [β-(3, the 5-bis-tertiary fourths of 2-
Base-4-hydroxy phenyl) propionyl] hydrazine；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite.
Step 1: according to weight portion, weighs poly 60 parts；Polyacrylonitrile-based carbon fibre 10 parts；Yellow
Bastose 10 parts；The slow-speed of revolution adds high-speed mixer and mixing, then high-speed stirred 8min；
Then under the conditions of high-speed stirred, in high mixer, add three (1,2,2,6,6-pentamethvl base) phosphite ester 0.5
Part；Dioctyl phthalate 0.1 part；High-speed stirred 5min；
Under the conditions of high-speed stirred, in high mixer, finally add nano silicon 0.1 part, high-speed stirred 5min, hybrid junctions
Bundle, discharging is standby；
Step 2: extruded by double screw extruder by mixed material, extruder frequency is 400 revs/min；
Step 3: material step 2 gone out is filtered by melt filtration machine；
Step 4: the product after filtering in step 3 carries out spinning；
A, will filter after product be kept molten by through measuring pump transmission, material；
The material of the molten condition in B, step A is delivered to filament spinning component and carries out spinning, obtains strand；
C, strand cool down through cross air blowing device；
Step 5: cooling strand carries out air drawing in the speed of 4000m/s；
Step 6: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 7: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
Geotextiles obtained by material of the present invention is carried out the detection of correlated performance and compares.
By embodiment 1-5 with the geotextiles obtained by comparative example 1-6 according to its footpath of GB/T 24218.3-2010 standard test
To fracture strength, broadwise fracture strength；According to GB/T 13763-1992 standard test Tear strength/KN；According to GB/T
14800-1993 standard test CBR bursting strength/KN；According to GB/T 17631 standard test antioxygenic property.
By analyzing embodiment and each item data in comparative example of upper table, it is possible to the material drawn in embodiment clearly
The properties of material is significantly better than that comparative example.
The above is only the exemplary embodiment of the present invention, not for limiting the scope of the invention, this
Bright protection domain is determined by appended claim.
Claims (10)
1. a geotextiles, is characterized in that: include the component of following parts by weight,
Meta-aromatic polyamide 55-80 part
Polyacrylonitrile-based carbon fibre 10-20 part
Jute-kenaf fibres 10-20 part
Antioxidant 0.1-1.5 part
Light stabilizer 0.1-1.5 part
Cold-resistant agent 0.1-1 part
Nano silicon 0.1-2 part.
A kind of geotextiles the most according to claim 1, is characterized in that: described meta-aromatic polyamide selects poly-isophthalic two
Formyl m-phenylene diamine (MPD).
A kind of geotextiles the most according to claim 1, is characterized in that: described antioxidant is by phenolic antioxidant and Phosphorus antioxygen
Agent forms.
A kind of geotextiles the most according to claim 3, is characterized in that: described phenolic antioxidant selects 1,2-pair [β-(3,
5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine, Phosphorus antioxidant selects four (2,4-di-tert-butyl-phenyl-4,4-xenyls) double
One in phosphate and two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite.
A kind of geotextiles the most according to claim 1, is characterized in that: described light stabilizer selects hindered amines light stable
Agent.
A kind of geotextiles the most according to claim 5, is characterized in that: described hindered amine light stabilizer select three (1,2,
2,6,6-pentamethvl bases) phosphite ester.
A kind of geotextiles the most according to claim 1, is characterized in that: described cold-resistant agent selects dioctyl phthalate.
A kind of geotextiles the most according to claim 1, is characterized in that: described polyacrylonitrile-based carbon fibre is for pre-through surface
The polyacrylonitrile-based carbon fibre processed.
A kind of geotextiles the most according to claim 8, is characterized in that: the process of described surface preparation is for use concentration 0.5-
The ozone of 15mg/L is continuously introduced into surface treatment of carbon fibers stove and polyacrylonitrile-based carbon fibre is carried out surface process.
10. a preparation method for geotextiles, is characterized in that: comprise the steps,
Step 1: according to weight portion, weighs poly 55-80 part；Polyacrylonitrile-based carbon fibre 10-20 part；
Jute-kenaf fibres 10-20 part；After the slow-speed of revolution adds high-speed mixer and mixing, high-speed stirred 8-10min；
Step 2: add the double [β-(3,5-di-t-butyl-4-hydroxyl of 1,2-according to weight portion in high mixer under the conditions of high-speed stirred
Base phenyl) propionyl] hydrazine 0.1-1.5 part；Two (2,4-bis-p-isopropyl phenyl) pentaerythritol bis-phosphite 0.1-1 part；Three (1,
2,2,6,6-pentamethvl bases) phosphite ester 0.1-1.5 part；Dioctyl phthalate 0.1-1 part；High-speed stirred 5-7
min；
Step 3;In high mixer, nano silicon 0.1-2 part, high-speed stirring is added according to weight portion under the conditions of high-speed stirred
Mixing 5-7 min, mixing terminates, and discharging is standby；
Step 4: extruded by double screw extruder by mixed material, extruder frequency is 400-600 rev/min；
Step 5: material step 4 gone out is filtered by melt filtration machine；
Step 6: the product after filtering in step 5 carries out spinning；
Product after filtering is kept molten by through measuring pump transmission, material；
The material of the molten condition in step A is delivered to filament spinning component and carries out spinning, obtains strand；
Strand cools down through cross air blowing device；
Step 7: cooling strand carries out air drawing in the speed of 4000-5000m/s；
Step 8: the tow uniform spreading after stretching is placed on lapper lace curtaining, forms fibre web, and fibre web is consolidated by needing machine,
Obtain blank；
Step 9: acupuncture becomes the geotextiles base of cloth adjust tension force through tension bracket, enters lapper trimming rolling, just obtain geotechnique
Cloth.
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| CN111286988A (en) * | 2020-03-30 | 2020-06-16 | 山东天海新材料工程有限公司 | Antibacterial flame-retardant geotextile |
| EP3783148A1 (en) | 2019-08-22 | 2021-02-24 | Council of Scientific & Industrial Research | A process for the preparation of functionalized weather-resistant and slow decaying geotextiles |
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| CN105926164B (en) | 2018-08-17 |
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