CN1817951A - Conductive mother paticle, conductive polymer filament, its production and use - Google Patents
Conductive mother paticle, conductive polymer filament, its production and use Download PDFInfo
- Publication number
- CN1817951A CN1817951A CN 200610023739 CN200610023739A CN1817951A CN 1817951 A CN1817951 A CN 1817951A CN 200610023739 CN200610023739 CN 200610023739 CN 200610023739 A CN200610023739 A CN 200610023739A CN 1817951 A CN1817951 A CN 1817951A
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- Prior art keywords
- conductive
- monofilament
- weight
- polypropylene
- carbon black
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- 229920001940 conductive polymer Polymers 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- -1 polypropylene Polymers 0.000 claims abstract description 68
- 239000004743 Polypropylene Substances 0.000 claims abstract description 43
- 229920001155 polypropylene Polymers 0.000 claims abstract description 43
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004698 Polyethylene Substances 0.000 claims abstract description 25
- 229920000573 polyethylene Polymers 0.000 claims abstract description 25
- 229920000642 polymer Polymers 0.000 claims abstract description 19
- 239000002861 polymer material Substances 0.000 claims abstract description 13
- 239000004793 Polystyrene Substances 0.000 claims abstract description 11
- 229920002223 polystyrene Polymers 0.000 claims abstract description 11
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 56
- 238000005096 rolling process Methods 0.000 claims description 34
- 238000003756 stirring Methods 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 23
- 239000006229 carbon black Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 19
- 239000000126 substance Substances 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 17
- 239000006185 dispersion Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 238000005469 granulation Methods 0.000 claims description 10
- 230000003179 granulation Effects 0.000 claims description 10
- 239000007822 coupling agent Substances 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 6
- 150000001408 amides Chemical class 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 3
- 239000002386 air freshener Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 7
- 239000004952 Polyamide Substances 0.000 abstract 2
- 229920002647 polyamide Polymers 0.000 abstract 2
- 229920006149 polyester-amide block copolymer Polymers 0.000 abstract 2
- 238000001914 filtration Methods 0.000 description 24
- 239000000843 powder Substances 0.000 description 22
- 235000019241 carbon black Nutrition 0.000 description 18
- 238000009987 spinning Methods 0.000 description 16
- 229920003023 plastic Polymers 0.000 description 12
- 239000004033 plastic Substances 0.000 description 12
- 238000013461 design Methods 0.000 description 8
- 238000009998 heat setting Methods 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 239000000428 dust Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 239000001993 wax Substances 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 2
- 235000013539 calcium stearate Nutrition 0.000 description 2
- 239000008116 calcium stearate Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Artificial Filaments (AREA)
- Filtering Materials (AREA)
- Multicomponent Fibers (AREA)
Abstract
A conductive parent particle, conductive polymer filament, its production and use are disclosed. The conductive parent particle consists of 20-35wt% nanometer conductive carbon black whose fineness is 1-100nm and residual polymer chosen from any kind of polypropylene, polyethylene, polystyrene, polyester and polyamide. The conductive polymer filament consists of 25-40wt% the conductive parent particle and residual polymer material chosen from any kind of polypropylene, polyethylene, polystyrene, polyester and polyamide. It has stable and endurable conductivity, excellent anti-electrostatic performance and less surface resistance value. It can be used for filter net.
Description
Technical field
The present invention relates to a kind of conductive agglomerate that contains the nano-level conducting carbon black, conductive polymer filament and its production and use.This monofilament can be woven into airstrainer, is applied in the air filter.
Background technology
Along with the needs of the raising and the environment protection of social life level, people require more and more higher to the Air quality of the conditioner of a large amount of uses, air purifier output, and the requirement of airstrainer has also been improved.It not only will improve filtration efficiency can filter out koniology as much as possible, also require in use to reduce the laying dust on filtering net simultaneously, to reduce the atmospheric drag of filtering net, prolong the working life of fan electromotor and reduce noise numerical value, the last laying dust that also will conveniently remove on the filtering net prolongs the work-ing life of netting.
A large amount of now airstrainers that use are to adopt the braiding of plastic polymer monofilament to form.Because plastic polymer itself is nonconducting, its surface resistivity reaches 10
12More than the Ω.Therefore this airstrainer in use is easy to surperficial laying dust, has stopped up filter mesh, and the resistance of filtering net is increased, and the air quantity that passes through reduces, and needs often to take out the removing laying dust from air conditioner filter, otherwise can reduce the functions of use of airstrainer.
Thus, in order to reduce the plastic polymer sheet resistance value, reach the conduction purpose, can adopt electro-conductive material and plastic material bonded method, make plastic polymer monofilament conduction itself, the airstrainer that is woven into can significantly reduce surperficial laying dust, reduces resistance, prolong fan electromotor and filtering net work-ing life, also be convenient to the cleaning of netting.With electro-conductive material and plastic material bonded method be at present: adopt surface treatment modes such as surperficial spraying, dipping, plating, electro-conductive material is coated on the plastic polymer monofilament surface, but the shortcoming of this method is: the conductive layer on (1) conductive monofilament surface can be damaged in monofilament is woven into the process of filter screen; (2) when removing the filtering net laying dust, the surface conduction layer also can sustain damage.More than two reasons, the conductive capability of conducting filtration net is descended, shorten the work-ing life of filtering net.Therefore, a kind of new conductive monofilament of demand, its conductivity is stable and lasting.
Summary of the invention
An object of the present invention is: a kind of conductive agglomerate is provided, is used to prepare conductive polymer filament.
Another object of the present invention is: a kind of conductive polymer filament and its production and use is provided.
A first aspect of the present invention relates to a kind of conductive agglomerate, and it comprises: (i) 20-35 weight % nano-level conducting carbon black, and the fineness of this nano-level conducting carbon black is 1-100nm; The (ii) polymkeric substance of surplus is selected from least a in polypropylene, polyethylene, polystyrene, polyester, the polymeric amide; Gross weight with described master batch is a benchmark.
One preferred embodiment in, described conductive carbon black is powdery or column.
Another preferred embodiment in, described polymkeric substance is a polypropylene.
Another preferred embodiment in, described conductive agglomerate also comprises dispersion agent, this dispersion agent is selected from polyethylene wax and oxidic polyethylene.
Another preferred embodiment in, described conductive agglomerate also comprises additive, is selected from: one or more in coupling agent, thinner, the thermo-stabilizer.
A second aspect of the present invention relates to a kind of conductive polymer filament, and it comprises: the conductive agglomerate of the present invention of 25-40 weight %; With component (iii): the polymer materials of surplus is a benchmark with the gross weight of this polymer filament; Described polymer materials is selected from least a in polypropylene, polyethylene, polystyrene, polyester, the polymeric amide.
One preferred embodiment in, described component (iii) the contained component of polymkeric substance and conductive agglomerate (ii) polymer phase with.
A third aspect of the present invention relates to the preparation method of conductive monofilament, and it in turn includes the following steps: with each component of conductive agglomerate mix successively, stir, melt extrude, granulation, make conductive agglomerate; Again each component of conductive monofilament dried by the fire successively material, mixing, stir, and by forcing machine melt extrude, cooling, drawing-off, typing, rolling, make monofilament.
A fourth aspect of the present invention relates to a kind of purposes of conductive monofilament, and it is used for being woven into the airstrainer of air filter.One preferred embodiment in, described air filter is conditioner, air purifier or air freshener.
Embodiment
The conductive carbon black that adopts is a kind of novel ultra-high conducting electric material, it is mixed be prepared into plastic monofilament in the plastic matrix and have following advantage: 1. nano-level conducting carbon black powders fine size, specific surface area is big, helps the connection between the carbon particles, has improved conductivity; 2. nano-level conducting carbon black dispersing property is good, helps mixing, and makes the monofilament combinations color and lustre even; 3. the nanometer conductive carbon black size is tiny, and is active strong, can disperse better in resin, mixes and process, and easy and plastics are fused to one.In addition, conductive carbon black carries out molecular level with polymkeric substance in the master batch to be mixed, and the conductive monofilament that this master batch is made has stable and persistent conductivity.
In conductive agglomerate, the consumption of nano-level conducting carbon black powders is 20～35 weight %.If this content is lower than 20 weight %, the master batch conductivity is just not enough; If be higher than 35 weight %, employed conductive carbon black powder is too much, and cost increases.Preferred 20～30 weight % of this content, preferred again 20～25 weight %.
The fineness of the nano-level conducting carbon black powder that uses in master batch is 1～100nm.The conductive carbon black of any fineness in this scope all can be used in the present invention.Its fineness is preferably 1～80nm, preferred again 1～60nm, preferred again 1～40nm, preferred again 1～20nm, preferred again 1～10nm.
The form of conductive carbon black can be any form, preferred powder powder or column, more preferably column.The column carbon black in use has been difficult for dirt, has not polluted the environment, and more helps environmental protection.
Employed polymkeric substance can be selected from least a in polypropylene, polyethylene, polystyrene, polyester, the polymeric amide in conductive agglomerate.Optimization polypropylene.
Adopt the nano-level conducting carbon black powder to prepare in the process of conductive agglomerate,, self have bonding agglomeration because nanometer materials are small-sized.For this reason, can add macromolecule dispersing agent, avoid the agglomeration of nano level powder.Dispersion agent can be selected the conventional dispersion agent that is applicable to carbon black and the used polymkeric substance of the present invention, preferably polyethylene wax and oxidic polyethylene for use.In addition, various other additives be can also add, the processing of conductive agglomerate or the performance of raising conductive agglomerate are beneficial to.Described additive can be selected from following one or more: coupling agent, thinner, thermo-stabilizer or the like.These additives can adopt coupling agent, thinner and the thermo-stabilizer etc. of the routine in the sector.The effect of coupling agent is to make inorganic electro-conductive material compatible with resin matrix, can adopt titante coupling agent etc., and for example home-made TC-9 titanate coupling agent is fit to the dispersion of carbon black, also has anlistatig effect.Thinner can adopt whiteruss (also claiming white oil) etc., and thinner also has the effect that improves the blending dispersion effect.Thermo-stabilizer can adopt Zinic stearas (claim not only zinc octadecanate) and calcium stearate (but also claiming calcium stearate), and its effect is the thermostability that improves resin matrix, also has lubricated effect simultaneously.
The consumption of these additives is the conventional amount used in the industry.For example, the consumption of coupling agent can be the 1-2 weight % of conductive carbon black, and the weight ratio of thinner and coupling agent can be 1: 1, and the consumption of thermo-stabilizer can be the 1-1.5 weight % of conductive carbon black, and the consumption of dispersion agent can be the 5-10 weight % of conductive carbon black.
Conductive polymer filament of the present invention comprises the polymer masterbatch and the polymer materials of conduction of the present invention, and described master batch accounts for 25～40 weight % of polymer materials weight.Preferred 25～35 weight %, preferred again 25～30 weight %.If be lower than 25 weight %, the conducting function of monofilament will be not enough, do not reach desired performance; If be higher than 40 weight %, cost is just bigger.Described polymer materials is selected from least a in polypropylene, polyethylene, polystyrene, polyester, the polymeric amide.For the filtering net in the air filter, preferably adopt polypropylene.
In a preferred implementation of conductive polymer filament of the present invention, the polymer materials that monofilament comprised preferably with conductive agglomerate in polymer phase with.Like this, the polymer materials that is comprised in the monofilament easily and the polymer-compatible in the master batch helps the processing of polymer filament.
In another preferred implementation of monofilament of the present invention, the polymer materials that monofilament comprised is polypropylene with polymkeric substance in the master batch that can conduct electricity, because polypropylene is applicable to as the filtering net material in the air filter.
The present invention is not particularly limited for the diameter of the polymer filament that can conduct electricity, and its diameter can be selected according to actual needs.Its diameter is generally 0.06～0.25mm.When it was used for the filtering net of air filter, diameter was preferably 0.06～0.22mm, was preferably 0.06～0.18mm again, was preferably 0.06～0.14mm again, was preferably 0.08～0.12mm again.
Conductive agglomerate of the present invention adopts conventional method preparation, and conductive carbon black and polymkeric substance according to desired ratio, are mixed, stir, melt extrude, granulation, promptly makes the master batch with conducting function of the present invention.
Polymer filament with conducting function of the present invention also adopts conventional method preparation: above-mentioned master batch particle and the polymer materials that makes dried by the fire material, and mix, stir according to desired ratio, then by forcing machine melt extrude, cooling, drawing-off, typing, rolling, make monofilament.
In a preferred implementation of the inventive method, also comprise rolling cut-out step afterwards, the monofilament of making is cut into desired length according to actual needs.
Each step of this method is described below successively.
(1) baking material
The polymer raw material of spinning level is put into dryer with the polymer masterbatch particle with conducting function dry, baking material temperature is not particularly limited.Adopt general baking material temperature to get final product.Should be noted that: temperature can not be too high, can not be low excessively, and too high meeting makes polymer raw material softening, is bonded to piece; Temperature is low excessively, the desiccation deficiency.The baking material is preferably 50 ℃～100 ℃, more preferably 60 ℃～90 ℃.
(2) mixing and stirring
The polymer materials that has the polymer masterbatch particle of conducting function and constitute monofilament of the present invention with needed part by weight, is added in the conventional stirrer and mixes, also fully stirs.
(3) melt extrude
Well-beaten batching is put into forcing machine melt extrude monofilament after by preheating, fusing, plasticizing, spray wire process, extrusion temperature can adopt temperature range conventional in the industry to carry out.
Preheating temperature is 150 ℃～170 ℃.When preheating temperature is lower than 150 ℃, extrude not smooth, the quality of monofilament and to extrude output bad.Plasticization temperature is 170 ℃～240 ℃, and metering temperature and extrusion temperature are 240 ℃～280 ℃.When extrusion temperature is higher than 280 ℃, can make polymer degradation, cause polymericular weight to descend, influence the mechanical property, intensity of monofilament etc.
Fusion metering temperature and extrusion temperature all are preferably 240 ℃～280 ℃, more preferably 250 ℃～270 ℃.
(4) cooling
The monofilament that will melt extrude is put into cooling tank, for example cools off in the tank, and cooling temperature is generally 20 ℃～40 ℃.
When cooling temperature is lower than 20 ℃, can cause the monofilament crystallization inhomogeneous, poor mechanical property.When cooling temperature is higher than 40 ℃, can cause the crystallization deficiency, monofilament is softer, mechanical property and undercapacity.
Preferred 25 ℃～35 ℃ of cooling temperature, more preferably 28 ℃～32 ℃, most preferably 30 ℃.
(5) drawing-off
Cooled monofilament is put into drafting machine carry out drawing-off, drawing temperature is generally 90 ℃～120 ℃, drafting multiple and is generally 5.0～6.5 times.
If drawing temperature is lower than 90 ℃, monofilament ruptures easily; If be higher than 120 ℃, polymkeric substance can soften, even local melting, is unfavorable for drawing-off.
Preferred 95 ℃～115 ℃ of drawing temperature, more preferably 100 ℃～110 ℃.
Drafting multiple is generally 5.0～6.5.If drafting multiple is lower than 5, deficiencies such as the mechanical property of monofilament and intensity, and also elongation is bigger than normal.If drafting multiple is higher than 6.5, the mechanical property of monofilament and intensity etc. are bigger than normal, but elongation is less than normal.
Drafting multiple is preferred 5.3～6.2, and more preferably 5.5～6.0, most preferably 5.8.
(6) typing
The monofilament of drawing-off is put into forming machine carry out heat setting type, setting temperature is generally 90 ℃～120 ℃, and relaxation shrinkage is 0～8%.
Setting temperature is mainly determined according to the temperature of the environment for use of monofilament, and the general environment for use temperature of monofilament is about 70 ℃.
When setting temperature was lower than 90 ℃, typing was not enough, and monofilament is easy deformation in use.When setting temperature was higher than 120 ℃, monofilament can soften even local melting, was unfavorable for typing.
Preferred 95 ℃～115 ℃ of setting temperature, more preferably 100 ℃～110 ℃.
If the relaxation shrinkage in the typing is greater than 8%, shrinking percentage is bigger than normal, and the area of the net of being made by this monofilament can dwindle so, thus cost up.
Relaxation shrinkage preferred 0～6% in this typing.
(7) rolling
The monofilament of finalizing the design is batched on winder, and rolling tension force is generally 100CN～200CN, and the rolling general speed is 80 meters/minute～160 meters/minute.
If rolling tension force is lower than 100CN, tension force is too little so, the rolling difficulty of net.If rolling tension force is higher than 200CN, tension force is too big so, and net can produce Texturized.
Preferred 110～the 160CN of rolling tension force, preferred again 120～140CN.
Equally, rolling speed is lower than 80 meters/minute or be higher than 160 meters/minute, and the net that silk is made in use is out of shape.
Rolling speed is preferably 100～150 meters/minute, is preferably 120～140 meters/minute again.
After making monofilament, can also the monofilament that make be woven into net further by the weaving method of routine.
The present invention is by with the application introducing air filtering product field of electro-conductive material, the conductive carbon black material mixed in the resin such as polypropylene, improves existing monofilament fabricating technology, gets access to a kind of plastic monofilament with conducting function.Be woven into airstrainer with such monofilament, carry out air filtration in all kinds of air-conditionings of packing into; Such monofilament can be used for also that other can provide clean air, the product of the environment that purifies air, in air cleaner.
In the method for the invention, conductive carbon black charged into to mix make conductive monofilament in the plastics, monofilament is woven into airstrainer, significantly reduce the surperficial laying dust of filtering net, reduced the resistance that air flows through filtering net, promote the function of filtering net, enriched acrylic plastering spinning prescription, enlarged the range of application of acrylic resin, monofilament and fabric.
The surface resistivity of common monofilament reaches 10
12More than the Ω, the sheet resistance value that adopts conductive monofilament of the present invention is 10
4～10
5Ω has electrostatic-proof function, and these data are recorded by China Shanghai Text Centre of legal feeler mechanism of country.Simultaneously, monofilament of the present invention also has excellent mechanical property, satisfies the requirement of the filtering net of air filter fully, its ultimate strength 〉=850CN, elongation at break 18%～50%.
Embodiment
Embodiment 1
20 weight % conductive carbon blacks, 1 weight % polyethylene of dispersing agent wax and 79 weight % polyethylene mix, stir, melt extrude, granulation, promptly make the master batch with conducting function of the present invention.
This master batch contains 20 weight % conductive carbon black powder, and the fineness of this conductive carbon black powder is 20nm, and the polymkeric substance that adopts in this master batch is a polyethylene.
Above-mentioned master batch and spinning polystyrene are dried by the fire material respectively under 60 ℃ of temperature.Then, master batch added in the conventional stirrer with the spinning polystyrene mix, and fully stir, wherein the master batch of Jia Ruing accounts for 25 weight % of polystyrene weight.
The compound that fully stirs is put into forcing machine, melt extrude under 280 ℃ of temperature, then, the monofilament that will melt extrude is put into cooling tank, for example cools off in the tank, and cooling temperature is 30 ℃.
Cooled monofilament is put into drafting machine carry out drawing-off, drawing temperature is 100 ℃, and drafting multiple is 6.2 times.
The monofilament of drawing-off is put into forming machine carry out heat setting type, setting temperature is 100 ℃, and relaxation shrinkage is 6%.
The monofilament of finalizing the design is batched in rolling, and rolling tension force is 140CN, and rolling speed is 100 meters/minute.
The diameter of the monofilament of making is 0.06mm.
Monofilament is woven into airstrainer, tests its conductivity, with its surface resistivity value representation, surface resistivity is 1 * 10
5Ω.
With this net as the filtering net in the conditioner.
Embodiment 2
20 weight % conductive carbon blacks, 1.6 weight % polyethylene of dispersing agent waxes and 78.4 weight % polypropylene mix, stir, melt extrude, granulation, promptly make the master batch with conducting function of the present invention.This master batch contains 20 weight % conductive carbon black powder, and the fineness of this conductive carbon black powder is 25nm, and the polymkeric substance that adopts in this master batch is a polypropylene.
Above-mentioned master batch and spinning grade polypropylene are dried by the fire material respectively under 90 ℃ of temperature.Then, master batch added in the conventional stirrer with the spinning grade polypropylene mix, and fully stir, wherein the master batch of Jia Ruing accounts for 30 weight % of polypropylene weight.
The compound that fully stirs is put into forcing machine, melt extrude under 275 ℃ of temperature, then, the monofilament that will melt extrude is put into cooling tank, for example cools off in the tank, and cooling temperature is 28 ℃.
Cooled monofilament is put into drafting machine carry out drawing-off, drawing temperature is 110 ℃, and drafting multiple is 6.3 times.
The monofilament of drawing-off is put into forming machine carry out heat setting type, setting temperature is 95 ℃, and relaxation shrinkage is 5%.
The monofilament of finalizing the design is batched in rolling, and rolling tension force is 120CN, and rolling speed is 110 meters/minute.
The diameter of the monofilament of making is 0.08mm.
Monofilament is woven into airstrainer, tests its conductivity, with its surface resistivity value representation, surface resistivity is 5 * 10
4Ω.
With this net as the filtering net in the air purifier.
Embodiment 3
25 weight % conductive carbon blacks, 1.8 weight % polyethylene of dispersing agent waxes and 73.2 weight % polypropylene mix, stir, melt extrude, granulation, promptly make the master batch with conducting function of the present invention.This master batch contains 25 weight % conductive carbon black powder, and the fineness of this conductive carbon black powder is 25nm, and the polymkeric substance that adopts in this master batch is a polypropylene.
Above-mentioned master batch and spinning grade polypropylene are dried by the fire material respectively under 80 ℃ of temperature.Then, master batch added in the conventional stirrer with the spinning grade polypropylene mix, and fully stir, wherein the master batch of Jia Ruing accounts for 25 weight % of polypropylene weight.
The compound that fully stirs is put into forcing machine, melt extrude under 275 ℃ of temperature, then, the monofilament that will melt extrude is put into cooling tank, for example cools off in the tank, and cooling temperature is 40 ℃.
Cooled monofilament is put into drafting machine carry out drawing-off, drawing temperature is 120 ℃, and drafting multiple is 6.5 times.
The monofilament of drawing-off is put into forming machine carry out heat setting type, setting temperature is 120 ℃, and relaxation shrinkage is 6%.
The monofilament of finalizing the design is batched in rolling, and rolling tension force is 150CN, and rolling speed is 120 meters/minute.
The diameter of the monofilament of making is 0.12mm.
Monofilament is woven into airstrainer, tests its conductivity, with its surface resistivity value representation, surface resistivity is 4 * 10
4Ω.
With this net as the filtering net in the air freshener.
Embodiment 4
25 weight % conductive carbon blacks, 2.2 weight % dispersion agent oxidic polyethylenes and 72.8 weight % polypropylene mix, stir, melt extrude, granulation, promptly make the master batch with conducting function of the present invention.This master batch contains 25 weight % conductive carbon black powder, and the fineness of this conductive carbon black powder is 30nm, and the polymkeric substance that adopts in this master batch is a polypropylene.
Above-mentioned master batch and spinning grade polypropylene are dried by the fire material respectively under 80 ℃ of temperature.Then, master batch added in the conventional stirrer with the spinning grade polypropylene mix, and fully stir, wherein the master batch of Jia Ruing accounts for 30 weight % of polypropylene weight.
The compound that fully stirs is put into forcing machine, melt extrude under 280 ℃ of temperature, then, the monofilament that will melt extrude is put into cooling tank, for example cools off in the tank, and cooling temperature is 30 ℃.
Cooled monofilament is put into drafting machine carry out drawing-off, drawing temperature is 100 ℃, and drafting multiple is 6.2 times.
The monofilament of drawing-off is put into forming machine carry out heat setting type, setting temperature is 100 ℃, and relaxation shrinkage is 6%.
The monofilament of finalizing the design is batched in rolling, and rolling tension force is 140CN, and rolling speed is 140 meters/minute.
The diameter of the monofilament of making is 0.18mm.
Monofilament is woven into airstrainer surveys, try its conductivity, with its surface resistivity value representation, surface resistivity is 1 * 10
4Ω.
With this net as the filtering net in the conditioner.
Embodiment 5
30 weight % conductive carbon blacks, 2.5 weight % dispersion agent oxidic polyethylenes and 67.5 weight % polyethylene mix, stir, melt extrude, granulation, promptly make the master batch with conducting function of the present invention.This master batch contains 30 weight % conductive carbon black powder, and the fineness of this conductive carbon black powder is 35nm, and the polymkeric substance that adopts in this master batch is a polyethylene.
Above-mentioned master batch and spinning grade polypropylene are dried by the fire material respectively under 80 ℃ of temperature.Then, master batch added in the conventional stirrer with the spinning grade polypropylene mix, and fully stir, wherein the master batch of Jia Ruing accounts for 35 weight % of polypropylene weight.
The compound that fully stirs is put into forcing machine, melt extrude under 275 ℃ of temperature, then, the monofilament that will melt extrude is put into cooling tank, for example cools off in the tank, and cooling temperature is 30 ℃.
Cooled monofilament is put into drafting machine carry out drawing-off, drawing temperature is 100 ℃, and drafting multiple is 6.2 times.
The monofilament of drawing-off is put into forming machine carry out heat setting type, setting temperature is 100 ℃, and relaxation shrinkage is 6%.
The monofilament of finalizing the design is batched in rolling, and rolling tension force is 140CN, and rolling speed is 145 meters/minute.
The diameter of the monofilament of making is 0.2mm.
Monofilament is woven into airstrainer, tests its conductivity, with its surface resistivity value representation, surface resistivity is 9 * 10
3Ω.
With this net as the filtering net in the conditioner.
Embodiment 6
30 weight % conductive carbon blacks, 3 weight % dispersion agent oxidic polyethylenes and 67 weight % polypropylene mix, stir, melt extrude, granulation, promptly make the master batch with conducting function of the present invention.This master batch contains 30 weight % conductive carbon black powder, and the fineness of this conductive carbon black powder is 35nm, and the polymkeric substance that adopts in this master batch is a polypropylene.
Above-mentioned master batch and spinning grade polypropylene are dried by the fire material respectively under 60 ℃ of temperature.Then, master batch added in the conventional stirrer with the spinning grade polypropylene mix, and fully stir, wherein the master batch of Jia Ruing accounts for 40 weight % of polypropylene weight.
The compound that fully stirs is put into forcing machine, melt extrude under 280 ℃ of temperature, then, the monofilament that will melt extrude is put into cooling tank, for example cools off in the tank, and cooling temperature is 30 ℃.
Cooled monofilament is put into drafting machine carry out drawing-off, drawing temperature is 100 ℃, and drafting multiple is 6.2 times.
The monofilament of drawing-off is put into forming machine carry out heat setting type, setting temperature is 100 ℃, and relaxation shrinkage is 6%.
The monofilament of finalizing the design is batched in rolling, and rolling tension force is 140CN, and rolling speed is 150 meters/minute.
The diameter of the monofilament of making is 0.22mm.
Monofilament is woven into airstrainer, tests its conductivity, with its surface resistivity value representation, surface resistivity is 7 * 10
3Ω.
With this net as the filtering net in the conditioner.
Embodiment 7
35 weight % conductive carbon blacks, 3.5 weight % dispersion agent oxidic polyethylenes and 61.5 weight % polypropylene mix, stir, melt extrude, granulation, promptly make the master batch with conducting function of the present invention.This master batch contains 35 weight % conductive carbon black powder, and the fineness of this conductive carbon black powder is 40nm, and the polymkeric substance that adopts in this master batch is a polypropylene.
Above-mentioned master batch and spinning grade polypropylene are dried by the fire material respectively under 80 ℃ of temperature.Then, master batch added in the conventional stirrer with the spinning grade polypropylene mix, and fully stir, wherein the master batch of Jia Ruing accounts for 40 weight % of polypropylene weight.
The compound that fully stirs is put into forcing machine, melt extrude under 280 ℃ of temperature, then, the monofilament that will melt extrude is put into cooling tank, for example cools off in the tank, and cooling temperature is 20 ℃.
Cooled monofilament is put into drafting machine carry out drawing-off, drawing temperature is 90 ℃, and drafting multiple is 5.0 times.
The monofilament of drawing-off is put into forming machine carry out heat setting type, setting temperature is 90 ℃, and relaxation shrinkage is 3%.
The monofilament of finalizing the design is batched in rolling, and rolling tension force is 100CN, and rolling speed is 160 meters/minute.
The diameter of the monofilament of making is 0.25mm.
Monofilament is woven into airstrainer, tests its conductivity, with its surface resistivity value representation, surface resistivity is 5 * 10
3Ω.
With this net as the filtering net in the conditioner.
Claims (10)
1. conductive agglomerate comprises:
(i) 20-35 weight % nano-level conducting carbon black, the fineness of this nano-level conducting carbon black is 1-100nm; With
The (ii) polymkeric substance of surplus is selected from least a in polypropylene, polyethylene, polystyrene, polyester, the polymeric amide;
Gross weight with described master batch is a benchmark.
2. conductive agglomerate as claimed in claim 1, wherein said conductive carbon black are powdery or column.
3. conductive agglomerate as claimed in claim 1 or 2, wherein said polymkeric substance is a polypropylene.
4. conductive agglomerate as claimed in claim 1 or 2, it also comprises dispersion agent, is selected from polyethylene wax and oxidic polyethylene.
5. conductive agglomerate as claimed in claim 1 or 2, it also comprises additive, is selected from: one or more in coupling agent, thinner, the thermo-stabilizer.
6. conductive polymer filament, it comprises:
The described conductive agglomerate of claim 1 of 25-40 weight %;
(iii) surplus is a polymer materials, is benchmark with the gross weight of this polymer filament;
Above-mentioned polymer materials is selected from least a in polypropylene, polyethylene, polystyrene, polyester, the polymeric amide.
7. monofilament as claimed in claim 6, wherein said component (iii) the contained component of polymkeric substance and conductive agglomerate (ii) polymer phase with.
8. method for preparing the described conductive monofilament of claim 6, it in turn includes the following steps:
With each component of the described conductive agglomerate of claim 1 mix successively, stir, melt extrude, granulation, make conductive agglomerate;
Each component of the described conductive monofilament of claim 6 is dried by the fire material, mixing successively, is stirred, and by forcing machine melt extrude, cooling, drawing-off, typing, rolling, make monofilament.
9. the purposes of the described monofilament of claim 6, it is used for being woven into the airstrainer of air filter.
10. purposes as claimed in claim 9, wherein said air filter are conditioner, air purifier or air freshener.
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| CNB200610023739XA CN100455621C (en) | 2006-02-05 | 2006-02-05 | Conductive mother paticle, conductive polymer filament, its production and use |
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| CNB200610023739XA CN100455621C (en) | 2006-02-05 | 2006-02-05 | Conductive mother paticle, conductive polymer filament, its production and use |
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