CN102516689B - Conductive film for coal mine ventilation tube - Google Patents
Conductive film for coal mine ventilation tube Download PDFInfo
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- CN102516689B CN102516689B CN 201110444382 CN201110444382A CN102516689B CN 102516689 B CN102516689 B CN 102516689B CN 201110444382 CN201110444382 CN 201110444382 CN 201110444382 A CN201110444382 A CN 201110444382A CN 102516689 B CN102516689 B CN 102516689B
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- calcium carbonate
- conductive film
- coal mine
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- ventilation tube
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- 239000003245 coal Substances 0.000 title claims abstract description 17
- 238000009423 ventilation Methods 0.000 title claims abstract description 17
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 20
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000003063 flame retardant Substances 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000003490 calendering Methods 0.000 claims abstract description 6
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 5
- 239000003549 soybean oil Substances 0.000 claims abstract description 5
- 238000003756 stirring Methods 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims abstract description 4
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 239000003381 stabilizer Substances 0.000 claims abstract description 3
- 230000003068 static effect Effects 0.000 claims description 14
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 13
- 239000003112 inhibitor Substances 0.000 claims description 11
- 239000004902 Softening Agent Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 6
- 150000004645 aluminates Chemical class 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 4
- -1 stablizer Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 3
- 239000007822 coupling agent Substances 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- SHLNMHIRQGRGOL-UHFFFAOYSA-N barium zinc Chemical compound [Zn].[Ba] SHLNMHIRQGRGOL-UHFFFAOYSA-N 0.000 claims description 2
- 238000004945 emulsification Methods 0.000 claims description 2
- 230000001804 emulsifying effect Effects 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000002216 antistatic agent Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000004049 embossing Methods 0.000 abstract 1
- 239000000049 pigment Substances 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Elimination Of Static Electricity (AREA)
- Filtering Materials (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention relates to a conductive film for a coal mine ventilation tube. The conductive film is obtained by taking polyvinyl chloride (PVC) resin powder, a plasticizer, an antistatic agent and activated calcium carbonate as main raw materials, adding a flame retardant, soybean oil, a stabilizer and pigment to serve as auxiliary materials, and manufacturing through the processes of raising temperature and stirring, banburying, filtering, performing four-roll calendaring, performing matte embossing, cooling and setting, cutting edges and winding. The conductive film has durable electrical conductivity, and also has the advantages of high tensile strength, right-angle tearing strength and flame retardance and the like.
Description
Technical field
The invention belongs to PVC film field of functional materials, be specifically related to the coal mine ventilation tube electro-conductive material.
Background technology
Ventilating duct is to be bonded together by stitching by air duct fabric under the coal mine, is mainly used in the working face that the down-hole does not form ventilation circuit, in order to oxygen is provided and prevents gas accumulation to the staff, production plays very important effect to coal mine downhole safety.Getting well with bad of ventilating duct performance is mainly reflected on the air duct fabric.For many years, the multiplex rubber of air duct fabric is made; Rubber air duct is furnished with a lot of shortcomings, and is high such as cost, work-ing life is short, complex process, flame resistivity and static resistance is relatively poor and weight is large, windage is coated with powder more greatly, outward pollution etc.For obtaining in wide temperature range, to have good mechanical properties, have simultaneously good anti-combustion, the ventilating duct of antistatic property, to ensure the ventilation safety under the mine, the anlistatig air duct that therefore has excellent mechanical performances is significant with the exploitation of material.Polyvinyl chloride (PVC) is one of resin kind of consumption maximum in the World Plastics Industry, and its resistance is up to 10
15Ω or higher.Good electrical insulation capability causes material to use under some occasion being prone to build-up of static charges and causes damage even lead to disaster.Therefore the research and development of PVC antistatic material have been become the important topic of PVC research and production.
Make the rapid discharge of high polymer material can prevent gathering of static by improving polymer surface specific conductivity or volume conductance; Adding static inhibitor also is one of effective ways that improve the polymer surface specific conductivity, and improve the superpolymer volume conductance can adopt add conductive filler material or with the technology of other electroconductive molecule blend.Different according to addition manner, the use of PVC static inhibitor can be divided into outer spreading type and Nei Jia type two classes.The outer spreading type static inhibitor is to be coated on product surface by methods such as brushing, spraying or dip-coatings, and their instant effects are applicable wide, but easily takes off mistake because of friction, washing.Therefore can only provide anti-electrostatic effect temporary transient or short-term.In to add the type static inhibitor be the time to join in the resin in batching, it is scattered in the whole polymkeric substance equably, it can be from macromolecular material inside to surface transport, form uniform antistatic layer on the surface, its rub resistance, wash resistant, usefulness is lasting, is widely used static inhibitor type in the macromolecular material.
" doping " is the effective way that realizes conductive polymer, and confirmed its dependable with function.Traditional conductive film for coal mine ventilation tube usually adopts the conducting film adhere to conductive coating, and its wear-resisting wearing quality is not fit to the use under the intense environment such as coal mine ventilation tube far away.Therefore adopt polymer " doping " to realize that its lasting conduction is a good selection, but another problem that macromolecule member material " doping " exists is how to realize the abundant fusion of each constituent materials such as macromolecular material PVC, electro-conductive material and various fillers, thereby has good dispersiveness and consistency.Therefore, be necessary to develop a kind of conductive film for coal mine ventilation tube, by optimization processing technology, find good " doping " prescription, make each component have good dispersiveness and consistency.Make on this basis product possess the conductive capability of durable, and possess good tensile strength, angle tear strength and flame retardant resistance.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of and has good " doping " prescription, and possesses the conductive film for coal mine ventilation tube of good antistatic property, tensile strength, angle tear strength and flame retardant resistance.
It is main raw material that described conductive film for coal mine ventilation tube adopts polyvinyl chloride resin powder, softening agent, static inhibitor and activated Calcium carbonate, add fire retardant, soybean oil, stablizer, colorant as auxiliary material, through intensification stirring, banburying, filtration, four-roll calendaring, cloudy surface cotton ginning, cooling and shaping, cutting edge, the coiling process conducting film that is made; Wherein, in polyvinyl chloride resin powder 100 weight parts, the consumption of softening agent, static inhibitor, activated Calcium carbonate, fire retardant, soybean oil, stablizer, colorant is respectively 10 ~ 20 parts, 10 ~ 20 parts, 20 ~ 40 parts, 5 ~ 15 parts, 1 ~ 5 part, 1 ~ 5 part, 0.1 ~ 2 part;
Wherein, the preparation condition of activated Calcium carbonate is: the Aluminate consumption be calcium carbonate 1 ~ 3%, revolution is that 15 000 ~ 17000 r/min, emulsifying temperature are that 70 ~ 85 ℃, emulsification times are that 50 ~ 70 min, soaking time are 30 ~ 50 min.
Preferably, the polymerization degree of described polyvinyl chloride resin powder is 1600, and softening agent is DOP, static inhibitor is positively charged ion softening agent TC-90, stablizer is the barium zinc stabilizer, and activated Calcium carbonate is the calcium carbonate via the aluminate coupling agent activation modification, and fire retardant is the Mg (OH) of 1:3 weight ratio
2And Al (OH)
3
Preferably, in the described conducting film preparation process, whipping temp is 60 ℃ ~ 110 ℃, and the banburying temperature is 210 ℃ ~ 250 ℃, and filtration temperature is 140 ℃ ~ 160 ℃, and the four-roll calendaring temperature is 140 ℃ ~ 200 ℃, and control speed is 50 ~ 80 m/min.
Preferably, the surface resistivity of described conducting film≤6 * 10
9Ω.
The invention has the beneficial effects as follows:
1. by in the PVC film formulation, adding cationic antistatic agent TC-90 and optimizing its complete processing, make product have good conductivity.Compare with the conducting film with conductive coating, have wear-resisting durable characteristic, the use under the intense environment such as suitable coal mine ventilation tube, product can keep good conductive capability for a long time.
2. the calcium carbonate after the aluminate coupling agent activation modification is processed easilier fully merges with organic-compound system, has good dispersiveness and consistency.Activated Calcium carbonate is filled in the organic polymer, makes the interface have plasticity-, can prevent that powder and substrate interface from peeling off and stress raisers and chapping, thereby improve its over-all properties, such as performances such as tensile strength, angle tear strength, snappinesies.
Embodiment
The present invention is further detailed explanation below in conjunction with embodiment, but be not limiting the scope of the invention.
The preparation of conductive film for coal mine ventilation tube:
Batching (table 1) → polyvinyl chloride resin powder adds first the liquid type additive and enters banburying (230 ℃ of temperature) → two rolling wheels after stirring at 95 ℃ ~ 100 ℃ and continue plasticizing → filter (155 ℃ of temperature) → four-roll calendaring (185 ℃ of front top rolls, 165 ℃ of middle top rolls, 155 ℃ of lower rolls, 150 ℃ of rear lower rolls) → cloudy surface cotton ginning → cooling and shaping → cutting edge → batch → finished product adding powder additives after 70 ℃ of stirrings again.Control speed is 65 m/min during this time.
The test result for preparing the conductive film for coal mine ventilation tube inner quality of gained by above-mentioned technique sees Table 2, illustrates that the prepared conductive film for coal mine ventilation tube of this technique possesses the advantages such as good antistatic property, tensile strength, angle tear strength, flame retardant resistance.
Claims (2)
1. conductive film for coal mine ventilation tube, it is characterized in that being got by following step preparation: adopting polyvinyl chloride resin powder, softening agent, static inhibitor and activated Calcium carbonate is main raw material, add fire retardant, soybean oil, stablizer, colorant as auxiliary material, through intensification stirring, banburying, filtration, four-roll calendaring, cloudy surface cotton ginning, cooling and shaping, cutting edge, the coiling process conducting film that is made;
Wherein, in polyvinyl chloride resin powder 100 weight parts, the consumption of softening agent, static inhibitor, activated Calcium carbonate, fire retardant, soybean oil, stablizer, colorant is respectively 10～20 parts, 10～20 parts, 20～40 parts, 5～15 parts, 1～5 part, 1～5 part, 0.1～2 part;
The polymerization degree of described polyvinyl chloride resin powder is 1600, softening agent is DOP, and static inhibitor is positively charged ion softening agent TC-90, and stablizer is the barium zinc stabilizer, activated Calcium carbonate is the calcium carbonate via the aluminate coupling agent activation modification, and fire retardant is the Mg (OH) of 1:3 weight ratio
2And Al (OH)
3
Wherein, the preparation condition of activated Calcium carbonate is: the Aluminate consumption be calcium carbonate 1～3%, revolution is that 15 000～17000 r/min, emulsifying temperature are that 70～85 ℃, emulsification times are that 50～70 min, soaking time are 30～50 min;
In the described conducting film preparation process, whipping temp is 60 ℃～110 ℃, and the banburying temperature is 210 ℃～250 ℃, and filtration temperature is 140 ℃～160 ℃, and the four-roll calendaring temperature is 140 ℃～200 ℃, and control speed is 50～80 m/min.
2. conductive film for coal mine ventilation tube according to claim 1 is characterized in that: the surface resistivity of described conducting film≤6 * 10
9Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110444382 CN102516689B (en) | 2011-12-27 | 2011-12-27 | Conductive film for coal mine ventilation tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110444382 CN102516689B (en) | 2011-12-27 | 2011-12-27 | Conductive film for coal mine ventilation tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102516689A CN102516689A (en) | 2012-06-27 |
| CN102516689B true CN102516689B (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110444382 Active CN102516689B (en) | 2011-12-27 | 2011-12-27 | Conductive film for coal mine ventilation tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN102516689B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103044804B (en) * | 2012-12-11 | 2015-07-29 | 浙江博泰塑胶有限公司 | A kind of Flame-retardant transparent floor film and production technique thereof |
| CN104356550B (en) * | 2014-11-14 | 2016-09-14 | 浙江博泰塑胶有限公司 | Flame-retardant smoke inhibition glass decoration applique |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072978A (en) * | 1991-12-03 | 1993-06-09 | 上海宝山钢铁总厂 | A kind of preparation method of antistatic wallpaper |
| CN101497727A (en) * | 2009-03-04 | 2009-08-05 | 南亚塑胶工业股份有限公司 | PVC resin composition and product thereof |
-
2011
- 2011-12-27 CN CN 201110444382 patent/CN102516689B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1072978A (en) * | 1991-12-03 | 1993-06-09 | 上海宝山钢铁总厂 | A kind of preparation method of antistatic wallpaper |
| CN101497727A (en) * | 2009-03-04 | 2009-08-05 | 南亚塑胶工业股份有限公司 | PVC resin composition and product thereof |
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| Publication number | Publication date |
|---|---|
| CN102516689A (en) | 2012-06-27 |
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Denomination of invention: Conductive film for coal mine ventilation tube Effective date of registration: 20140321 Granted publication date: 20130918 Pledgee: Haining Rural Credit Cooperative Association Pledgor: Zhejiang Botai Plastic Co., Ltd. Registration number: 2014330000007 |
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Date of cancellation: 20150303 Granted publication date: 20130918 Pledgee: Haining Rural Credit Cooperative Association Pledgor: Zhejiang Botai Plastic Co., Ltd. Registration number: 2014330000007 |
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Denomination of invention: Conductive film for coal mine ventilation tube Effective date of registration: 20150317 Granted publication date: 20130918 Pledgee: Haining rural commercial bank, Limited by Share Ltd, Zhejiang branch Pledgor: Zhejiang Botai Plastic Co., Ltd. Registration number: 2015330000013 |
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Date of cancellation: 20160505 Granted publication date: 20130918 Pledgee: Haining rural commercial bank, Limited by Share Ltd, Zhejiang branch Pledgor: Zhejiang Botai Plastic Co., Ltd. Registration number: 2015330000013 |
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Denomination of invention: Conductive film for coal mine air duct Effective date of registration: 20201207 Granted publication date: 20130918 Pledgee: Haining rural commercial bank Limited by Share Ltd. Zhejiang branch Pledgor: ZHEJIANG BOTAI PLASTIC Co.,Ltd. Registration number: Y2020330001128 |
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Date of cancellation: 20211213 Granted publication date: 20130918 Pledgee: Haining rural commercial bank Limited by Share Ltd. Zhejiang branch Pledgor: ZHEJIANG BOTAI PLASTIC Co.,Ltd. Registration number: Y2020330001128 |