CN101846217B - Anti-static inflaming-retarding PVC firedamp drainage tube stock for mine and preparation method - Google Patents
Anti-static inflaming-retarding PVC firedamp drainage tube stock for mine and preparation method Download PDFInfo
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- CN101846217B CN101846217B CN2010102023334A CN201010202333A CN101846217B CN 101846217 B CN101846217 B CN 101846217B CN 2010102023334 A CN2010102023334 A CN 2010102023334A CN 201010202333 A CN201010202333 A CN 201010202333A CN 101846217 B CN101846217 B CN 101846217B
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 15
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 31
- 239000004800 polyvinyl chloride Substances 0.000 claims description 27
- 239000003063 flame retardant Substances 0.000 claims description 24
- 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 claims description 20
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 14
- 239000011591 potassium Substances 0.000 claims description 14
- 229910052700 potassium Inorganic materials 0.000 claims description 14
- 239000003017 thermal stabilizer Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 150000003751 zinc Chemical class 0.000 claims description 8
- 235000021355 Stearic acid Nutrition 0.000 claims description 7
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 7
- 239000008116 calcium stearate Substances 0.000 claims description 7
- 235000013539 calcium stearate Nutrition 0.000 claims description 7
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 7
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 7
- 239000008117 stearic acid Substances 0.000 claims description 7
- 238000004079 fireproofing Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000005469 granulation Methods 0.000 claims description 5
- 230000003179 granulation Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims 2
- 235000019241 carbon black Nutrition 0.000 claims 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims 2
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 abstract description 8
- FATBGEAMYMYZAF-UHFFFAOYSA-N oleicacidamide-heptaglycolether Natural products CCCCCCCCC=CCCCCCCCC(N)=O FATBGEAMYMYZAF-UHFFFAOYSA-N 0.000 abstract description 8
- 239000004135 Bone phosphate Substances 0.000 abstract description 6
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 abstract 2
- 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 abstract 2
- 239000012760 heat stabilizer Substances 0.000 abstract 1
- -1 polychloroethylene Polymers 0.000 description 10
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 6
- 239000003245 coal Substances 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides an anti-static inflaming-retarding PVC firedamp drainage tube stock for mine, comprising a PVC tube body and an electric-conduction layer and an inflaming-retarding layer arranged on the inner wall and the outer wall of the tube body, the inflaming-retarding layer is prepared by PVC resin, dibasic lead sulfate, lead sulfate tribasic, dioctyl phthalate, PVC rare earth heat stabilizers, conductive black, high molecular weight PE wax, dioctyl phthalate and oleamide; the electric-conduction layer, the inflaming-retarding layer and the PVC tube body are extruded into one body, so as to effectively prevent falling-off problems of the electric-conduction layer and the inflaming-retarding layer and enhance the anti-static inflaming-retarding performances of the firedamp drainage tube stock; the auxiliaries such as dibasic lead sulfate, oleamide, PE wax and the like are adopted to lead the lubricity to be improved in the production process, the mobility is enhanced, the heat stability is good, the tubular product is not burnt, the production process is stable, the combining force is strong without layering and the finished product ratio can be controlled.
Description
Technical field
The present invention relates to a kind of anti-static inflaming-retarding PVC firedamp drainage tube stock for mine, the preparation method of this tubing also is provided simultaneously, belong to plastic pipe manufacturing technology field.
Background technology
At present, in the coal mining technical field, the used delivery pipe of drawing-off gas in the mine, requirement has favorable conductive (antistatic) and fire-retardant erosion performance, could guarantee the safety of mine and the exploitation production of coal, conventional delivery pipe is in the pvc pipe material, outer wall will conduct electricity (antistatic) material and fire proofing and adopt the method for coating to be coated in pvc pipe material surface, make mining pvc pipe material have conducting function, but this coating and pvc pipe adhesion are relatively poor, be very easy to wearing and tearing when under the mine of inclement condition, using, come off, thereby influence the antistatic and the flame retardant effect of delivery pipe, influenced the safety dumping of gas, cause potential safety hazard to mine.
Summary of the invention
The invention provides a kind of anti-static inflaming-retarding PVC firedamp drainage tube stock for mine, conduction, flame-retardant layer and pvc pipe body are structure as a whole, and have overcome the problem that existing drawing-off gas pipe conductive layer, flame-retardant layer come off easily.
The present invention also provides the preparation method of above-mentioned firedamp drainage tube stock, and conduction, flame-retardant layer and pvc pipe body squeeze note are organically integrated, and has guaranteed that both do not come off and layering, has guaranteed the antistatic and the fire resistance of tubing.
Anti-static inflaming-retarding PVC firedamp drainage tube stock for mine of the present invention comprises conduction, flame-retardant layer on pvc pipe body and the internal and external walls, it is characterized in that:
The conduction, flame-retardant layer by following raw materials by weight portion than making:
35～40 parts of polyvinyl chloride resins, dibasic lead sulfite 1.2～1.5, lead sulfate tribasic 1.8～2.5, o-2 potassium acid two zinc esters 8～10, PVC rare earth thermal stabilizer 1～1.3, conductive carbon black 6.5～7.0, HMW PE wax 2.5～3.0, o-2 potassium acid two zinc esters 8.5～10, oleamide 2～2.5;
The pvc pipe body by following raw materials by weight portion than making:
Polyvinyl chloride resin 100,3～3.5 parts of rare earth thermal stabilizers, 0.3～0.5 part of stearic acid, calcium stearate 0.2～0.4.
The manufacture method of anti-static inflaming-retarding PVC firedamp drainage tube stock for mine of the present invention, concrete implementation step is as follows:
1, the mixing granulation of conduction, flame-retardant layer:
35～40 parts of polyvinyl chloride resins, dibasic lead sulfite 1.2～1.5, lead sulfate tribasic 1.8～2.5, o-2 potassium acid two zinc esters 8～10, PVC rare earth thermal stabilizer 1～1.3 added in proportion be mixed into 90～100 ℃ in the high-speed mixer, add again conductive carbon black 6.5～7.0, HMW PE wax (molecular weight is more than 2000) 2.5～3.0, o-2 potassium acid two zinc esters 8.5～10, oleamide 2～2.5 continue to be mixed into 120～130 ℃ after discharging, make conduction, fire proofing;
2, extruding of pvc pipe body and conduction, flame-retardant layer:
With polyvinyl chloride resin 100,3～3.5 parts of rare earth thermal stabilizers, 0.3～0.5 part of stearic acid, when calcium stearate 0.2～0.4 joins in proportion and is mixed into 120～130 ℃ in the high-speed mixer, the material that joins the preparation of pipe extruder and step 1 is again extruded synchronously and is made product of the present invention.
The product that embodiment 1～3 is produced by " People's Republic of China's coal industry standard " MT558.2-2005 about " underground mine use plastic pipe " part 2: the standard of polychloroethylene pipes detects, and conclusion is as follows:
The inside and outside wall surface resistance of tubing arithmetic mean of instantaneous value is: 1.0 * 10
5-6Ohm;
The alcohol blast burner burning of tubing: the arithmetic mean value of flameless combustion time is 16～19s;
The arithmetic mean value of flaming combustion time is 1～3s.
Good effect of the present invention is: conduction, flame-retardant layer and pvc pipe body are extruded be one, prevented the problem that comes off of conduction, flame-retardant layer effectively, the antistatic and the fire resistance of firedamp drainage tube stock have been strengthened, lubricity is improved in process of production, flowability strengthens, heat endurance is better to adopt auxiliary agents such as dibasic lead sulfite, oleamide, PE wax to make tubing, tubing is not stuck with paste, stable processing technique, and adhesion is strong, not stratified, yield rate is controlled.
The specific embodiment
Embodiment 1:
1, the mixing granulation of conduction, flame-retardant layer:
Polyvinyl chloride resin 35kg, dibasic lead sulfite 1.2kg, lead sulfate tribasic 1.8kg, o-2 potassium acid two zinc ester 8kg, PVC rare earth thermal stabilizer 1kg added in proportion be mixed into 90～100 ℃ in the high-speed mixer, add again conductive carbon black 6.5kg, molecular weight HMW PE wax 2.5kg, o-2 potassium acid two zinc ester 8.5kg, the oleamide 2kg more than 2000 continue to be mixed into 120～130 ℃ after discharging, make conduction, fire proofing;
2, extruding of pvc pipe body and conduction, flame-retardant layer:
Polyvinyl chloride resin 100kg, rare earth thermal stabilizer 3kg, stearic acid 0.3kg, calcium stearate 0.2kg are joined when being mixed into 120～130 ℃ in the high-speed mixer in proportion, join again in the pipe extruder (65 type flat pattern double screw extruder), with the pvc pipe body is central core, conduction, fire-retardant material with step 1 preparation are inside and outside layer, extrude synchronously by three layers of common extrusion die and to make product of the present invention, the die head operating temperature is 160～175 ℃, and pressure is 15～25Mpa.
Other index should meet " People's Republic of China's coal industry standard " MT558.2-2005 about " underground mine use plastic pipe " part 2: under the normal term of polychloroethylene pipes.
Embodiment 2
1, the mixing granulation of conduction, flame-retardant layer:
Polyvinyl chloride resin 40kg, dibasic lead sulfite 1.5kg, lead sulfate tribasic 2.0kg, o-2 potassium acid two zinc ester 9kg, PVC rare earth thermal stabilizer 1.1kg added in proportion be mixed into 90～100 ℃ in the high-speed mixer, add again conductive carbon black 6.8kg, HMW PE wax (molecular weight is more than 2000) 3.0kg, o-2 potassium acid two zinc ester 9kg, oleamide 2kg continue to be mixed into 120～130 ℃ after discharging, make conduction, fire proofing;
2, extruding of pvc pipe body and conduction, flame-retardant layer:
Polyvinyl chloride resin 100kg, rare earth thermal stabilizer 3.2kg, stearic acid 0.5kg, calcium stearate 0.3kg are joined when being mixed into 120～130 ℃ in the high-speed mixer in proportion, join again in the pipe extruder (65 type flat pattern double screw extruder), with the pvc pipe body is central core, conduction, fire-retardant material with step 1 preparation are inside and outside layer, extrude synchronously by three layers of common extrusion die and to make product of the present invention, the die head operating temperature is 160-175 ℃, and pressure is 15-25Mpa.
Other index should meet " People's Republic of China's coal industry standard " MT558.2-2005 about " underground mine use plastic pipe " part 2: under the normal term of polychloroethylene pipes.
Embodiment 3
1, the mixing granulation of conduction, flame-retardant layer:
Polyvinyl chloride resin 38kg part, dibasic lead sulfite 1.4kg, lead sulfate tribasic 2.5kg, o-2 potassium acid two zinc ester 10kg, PVC rare earth thermal stabilizer 1.3kg added in proportion be mixed into 90～100 ℃ in the high-speed mixer, add again conductive carbon black 7.0kg, HMW PE wax (molecular weight is more than 2000) 2.8kg, o-2 potassium acid two zinc ester 10kg, oleamide 2.5kg continue to be mixed into 120～130 ℃ after discharging, make conduction, fire proofing;
2, extruding of pvc pipe body and conduction, flame-retardant layer:
With polyvinyl chloride resin 100kg, rare earth thermal stabilizer 3.5kg part, when stearic acid 0.4kg, calcium stearate 0.4kg join in proportion and be mixed into 120～130 ℃ in the high-speed mixer, join again in the pipe extruder (65 type flat pattern double screw extruder), with the pvc pipe body is central core, conduction, fire-retardant material with step 1 preparation are inside and outside layer, extrude synchronously by three layers of common extrusion die and to make product of the present invention, the die head operating temperature is 160-175 ℃, and pressure is 15-25Mpa.
Other index should meet " People's Republic of China's coal industry standard " MT558.2-2005 about " underground mine use plastic pipe " part 2: under the normal term of polychloroethylene pipes.
Claims (2)
1. an anti-static inflaming-retarding PVC firedamp drainage tube stock for mine comprises the conduction flame-retardant layer on pvc pipe body and the inside and outside wall thereof, it is characterized in that:
The conduction flame-retardant layer by following two parts raw materials by weight portion than making:
First: 35～40 parts of polyvinyl chloride resins, 1.2～1.5 parts of dibasic lead sulfites, 1.8～2.5 parts of lead sulfate tribasics, 8～10 parts of o-2 potassium acid two zinc esters, 1～1.3 part of PVC rare earth thermal stabilizer, second portion: 6.5～7.0 parts of conductive carbon blacks, 2.5～3.0 parts in HMW PE wax, 8.5～10 parts of o-2 potassium acid two zinc esters, 2～2.5 parts of oleamides;
The pvc pipe body by following raw materials by weight portion than making:
100 parts of polyvinyl chloride resins, 3～3.5 parts of rare earth thermal stabilizers, 0.3～0.5 part of stearic acid, 0.2～0.4 part of calcium stearate.
2. the manufacture method of the described firedamp drainage tube stock of claim 1, concrete implementation step is as follows:
1) mixing granulation of conduction flame-retardant layer:
35～40 parts of polyvinyl chloride resins, 1.2～1.5 parts of dibasic lead sulfites, 1.8～2.5 parts of lead sulfate tribasics, 8～10 parts of o-2 potassium acid two zinc esters, PVC rare earth thermal stabilizer added for 1～1.3 part in proportion be mixed into 90～100 ℃ in the high-speed mixer, add again 2～2.5 parts of 6.5～7.0 parts of conductive carbon blacks, molecular weight 2.5～3.0 parts in HMW PE wax, 8.5～10 parts of o-2 potassium acid two zinc esters, the oleamides more than 2000 continue to be mixed into 120～130 ℃ after discharging, make the conduction fire proofing;
2) extruding of pvc pipe body and conduction flame-retardant layer:
100 parts of polyvinyl chloride resins, 3～3.5 parts of rare earth thermal stabilizers, 0.3～0.5 part of stearic acid, calcium stearate are joined for 0.2～0.4 part when being mixed into 120～130 ℃ in the high-speed mixer in proportion, and the material that joins the preparation of pipe extruder and step 1 is again extruded synchronously and is made product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102023334A CN101846217B (en) | 2010-06-18 | 2010-06-18 | Anti-static inflaming-retarding PVC firedamp drainage tube stock for mine and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102023334A CN101846217B (en) | 2010-06-18 | 2010-06-18 | Anti-static inflaming-retarding PVC firedamp drainage tube stock for mine and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101846217A CN101846217A (en) | 2010-09-29 |
| CN101846217B true CN101846217B (en) | 2011-11-02 |
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| CN2010102023334A Expired - Fee Related CN101846217B (en) | 2010-06-18 | 2010-06-18 | Anti-static inflaming-retarding PVC firedamp drainage tube stock for mine and preparation method |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863710B (en) * | 2011-07-06 | 2014-10-15 | 中国石油化工股份有限公司 | Three-layer co-extrusion PVC-M tubular product for coal mine |
| CN103737889A (en) * | 2013-12-31 | 2014-04-23 | 贵州森瑞新材料股份有限公司 | Mixed material extruding method and device in PVC (polyvinyl chloride) tubular product production |
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|---|---|---|---|---|
| CN1133229A (en) * | 1995-04-12 | 1996-10-16 | 周德海 | polyvinyl chloride antistatic plastic pipe and manufacturing method thereof |
| CN1133228A (en) * | 1995-04-11 | 1996-10-16 | 陆承祖 | Anti-static fire retardant reinforced polyvinyl-chloride for working cable hook used in coal mine shaft |
| CN1133872A (en) * | 1996-03-06 | 1996-10-23 | 生寿斋 | Composition for antistatic fire-proof plastic pipe for coal mine |
| CN1148133A (en) * | 1996-06-25 | 1997-04-23 | 生寿斋 | Anti-static and flame-retardant composite for plastic conveyer roller of coal mine and its mfg. method |
| CN2663765Y (en) * | 2003-12-11 | 2004-12-15 | 四川省内江市新明塑料厂 | Mining electrostatic resistance flame retardant composite tube |
| CN101311211A (en) * | 2007-05-25 | 2008-11-26 | 上海上塑控股（集团）有限公司 | Polyethylene pipes for underground mine use |
| CN101353467A (en) * | 2008-09-17 | 2009-01-28 | 青岛高科塑胶研究开发中心 | Polychloroethylene acrylonitrile butadiene composite pipes and preparation thereof |
-
2010
- 2010-06-18 CN CN2010102023334A patent/CN101846217B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1133228A (en) * | 1995-04-11 | 1996-10-16 | 陆承祖 | Anti-static fire retardant reinforced polyvinyl-chloride for working cable hook used in coal mine shaft |
| CN1133229A (en) * | 1995-04-12 | 1996-10-16 | 周德海 | polyvinyl chloride antistatic plastic pipe and manufacturing method thereof |
| CN1133872A (en) * | 1996-03-06 | 1996-10-23 | 生寿斋 | Composition for antistatic fire-proof plastic pipe for coal mine |
| CN1148133A (en) * | 1996-06-25 | 1997-04-23 | 生寿斋 | Anti-static and flame-retardant composite for plastic conveyer roller of coal mine and its mfg. method |
| CN2663765Y (en) * | 2003-12-11 | 2004-12-15 | 四川省内江市新明塑料厂 | Mining electrostatic resistance flame retardant composite tube |
| CN101311211A (en) * | 2007-05-25 | 2008-11-26 | 上海上塑控股（集团）有限公司 | Polyethylene pipes for underground mine use |
| CN101353467A (en) * | 2008-09-17 | 2009-01-28 | 青岛高科塑胶研究开发中心 | Polychloroethylene acrylonitrile butadiene composite pipes and preparation thereof |
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| CN101846217A (en) | 2010-09-29 |
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