CN87103186A - Modified polyvinyl-chloride blast pipe and manufacturing process thereof - Google Patents
Modified polyvinyl-chloride blast pipe and manufacturing process thereof Download PDFInfo
- Publication number
- CN87103186A CN87103186A CN 87103186 CN87103186A CN87103186A CN 87103186 A CN87103186 A CN 87103186A CN 87103186 CN87103186 CN 87103186 CN 87103186 A CN87103186 A CN 87103186A CN 87103186 A CN87103186 A CN 87103186A
- Authority
- CN
- China
- Prior art keywords
- ventilating duct
- modified polyvinyl
- acid ester
- static inhibitor
- mixed thing
- 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.)
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Abstract
Modified polyvinyl-chloride blast pipe is made by modified polyvinyl chloride coated cloth, and the sizing compound formula of its use (weight ratio) is: polyvinyl chloride 100, properties-correcting agent 20～40, softening agent 65～75, stablizer 2～5, fire retardant 30～40, static inhibitor 4～8, tinting material 2～4, filler 30～70.
The anti-combustion of this ventilating duct, antistatic property excellence, and smooth surface, windage is little, and is in light weight, and resistance to air loss is good, and low-temperature performance is good, and is corrosion-resistant, long service life.
Description
The present invention relates to ventilating duct and manufacturing process thereof that mine laneway and Tunnel Engineering are used.
Existing ventilating duct roughly has several types such as rubber duct, plastics ventilating duct, rubber and plastic ventilating duct.Rubber duct flame resistivity, static resistance are relatively poor, and weight is big, and windage is bigger, and manufacturing process is more complicated also.Plastics ventilating duct hardness is bigger, and flexibility is relatively poor, and particularly low-temperature performance is bad.The rubber and plastic ventilating duct also can't overcome the weak point of above-mentioned two class ventilating ducts fully.
For obtaining in wide temperature range, to have good mechanical properties, have good anti-combustion, the ventilating duct of antistatic property simultaneously, to ensure the ventilation safety under the mine, the spy is the present invention.
Modified polyvinyl-chloride blast pipe is the barrel of both ends open, and it pastes sealed strip at suture, to guarantee resistance to air loss then with modified polyvinyl chloride coated cloth sewing moulding.Modified polyvinyl chloride coated cloth is weaved cotton cloth or woven fiber glass, polyvinyl canvas are framework material with cotton the mixing of glass, and applying modified pvc membrane, its thickness are 0.5～0.8 millimeter.The material prescription of preparation modified pvc membrane is:
Component starting material title weight ratio
A polyvinyl chloride 100
B properties-correcting agent 20～40
C softening agent 65～75
D stablizer 2～5
E fire retardant 30～40
F static inhibitor 4～8
G tinting material 2～4
H filler 30～70
B in the prescription: du pont company product E LVALOY741,742; Products C HEMIGUMP83 of U.S. GOOdYEAR company and mixed thing thereof
C: dioctyl phthalate (DOP), phosphoric acid ester
D: hard ester acid, hard acid ester salt and mixed thing thereof
E: phosphoric acid ester, antimonous oxide, chlorinated paraffin and mixed thing thereof
F:A-A-A static inhibitor (Jiangsu Wujin County water conservancy electrical apparatus factory product)
G: ferric oxide
H：CaCo
3
The technological process of production of modified polyvinyl-chloride blast pipe is:
In the technical process:
Mediate and adopt the high speed kneader, service temperature is 100～120 ℃.Mediate mixing of materials evenly till.
Open plasticizing machine is adopted in plasticizing, and service temperature is 165～175 ℃.
Tri-roll press machine is adopted in calendering, and service temperature is 160～180 ℃ so that glue-film stickup glass cotton mix weave cotton cloth or woven fiber glass, polyvinyl canvas on.
The outstanding characteristics of modified polyvinyl-chloride blast pipe are anti-combustion, antistatic property excellence.Carry out combustibility test on spirit lamp and alcohol blast burner, its flaming combustion time is respectively about 1.5 seconds and 2 seconds, and the flameless combustion time is about 2 seconds and 3 seconds.At 20 ℃, carry out the conductivity test under 60% humidity, its upper surface resistance is 3.9 * 10
5Europe, lower surface resistance are 7.1 * 10
5Europe is far smaller than the surface resistivity of rubber and polyvinyl chloride.
In addition, modified polyvinyl-chloride blast pipe also has lovely luster, smooth surface, and windage is little, in light weight, resistance to air loss is good, low-temperature performance is good, corrosion-resistant, advantages such as long service life.
Ventilating duct prescription of mixed materials 1
Starting material title specification basic recipe
Polyvinyl chloride * S3
#100
(Dupont) ELVALOY
741 15
Product
(Dupont) ELVALOY
742 15
Product
Dioctyl phthalate (DOP) 70
Zinc Stearate 1.5
Hard ester acid cadmium 1.5
Hard ester acid 1.5
Ferric oxide 2.5
Titanium dioxide two antimony 20
Chlorinated paraffin 70% 15
Lime carbonate lightweight 28
(Wujin, Jiangsu) A-A-A static inhibitor 8
County water conservancy electrical apparatus factory
Add up to 278
Ventilating duct prescription of mixed materials 2
Starting material title specification basic recipe
Polyvinyl chloride * S3
#100
Du pont company product E LVALOY
742 30
Gu the different products C HEMIGUM P83 of company 20
Dioctyl phthalate (DOP) 60
Barium stearate 2.75
Hard ester acid cadmium 0.25
Hard ester acid 2
Ferric oxide 2.5
Antimonous oxide 25
Chlorinated paraffin 70% 20
A-A-A static inhibitor 6
Lime carbonate lightweight 1.5
Add up to 270
Ventilating duct prescription of mixed materials 3
Starting material title specification basic recipe
Polyvinyl chloride * S3
#100
Du pont company product E LVALOY
741 15
Gu the different products C HEMIGUM P83 of company 15
Dioctyl phthalate (DOP) 65
Barium stearate 0.25
Hard ester acid cadmium 2.75
Hard ester acid 2
Ferric oxide 2.5
Antimonous oxide 25
Chlorinated paraffin 20
A-A-A static inhibitor 4
Lime carbonate lightweight 18.5
Add up to 270
Claims (2)
1, a kind of ventilating duct, it is made of the stack shell of coated cloth and the stickup sealed strip of suture, it is characterized in that coated cloth is to weave cotton cloth or woven fiber glass with cotton the mixing of glass, and polyvinyl, canvas are framework material, and the modified pvc membrane of fitting again constitutes.
2, the modified pvc membrane of ventilating duct as claimed in claim 1 is characterized in that the material prescription of its preparation is:
Component starting material title weight ratio
A polyvinyl chloride 100
B properties-correcting agent 20～40
C softening agent 65～75
D stablizer 2～5
E fire retardant 30～40
F static inhibitor 4～8
G tinting material 2～4
H filler 30～70
B in the prescription: du pont company product E LVALOY741,742; Products C HEMIGUMP83 of U.S. GOODYEAR company and mixed thing thereof
C: dioctyl phthalate (DOP), phosphoric acid ester
D: hard ester acid, hard acid ester salt and mixed thing thereof
E: phosphoric acid ester, antimonous oxide, chlorinated paraffin and mixed thing thereof
F: Jiangsu Wujin County water conservancy electrical apparatus factory product A-A-A static inhibitor.
G: ferric oxide
H：CaCo
3
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87103186 CN87103186A (en) | 1987-04-29 | 1987-04-29 | Modified polyvinyl-chloride blast pipe and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87103186 CN87103186A (en) | 1987-04-29 | 1987-04-29 | Modified polyvinyl-chloride blast pipe and manufacturing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87103186A true CN87103186A (en) | 1988-11-16 |
Family
ID=4814327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87103186 Pending CN87103186A (en) | 1987-04-29 | 1987-04-29 | Modified polyvinyl-chloride blast pipe and manufacturing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87103186A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392671A (en) * | 2009-08-17 | 2012-03-28 | 于高良 | Manufacturing method of mine blow dryer |
| CN102432960A (en) * | 2011-08-21 | 2012-05-02 | 吴侃 | Air duct coating cloth for coal mine |
| CN102644473A (en) * | 2012-04-06 | 2012-08-22 | 贵州开磷（集团）有限责任公司 | Light plastic-woven inner sticking film air duct |
| CN103665664A (en) * | 2013-12-04 | 2014-03-26 | 安徽惠尔矿用设备有限公司 | Air duct coating cloth used for mine |
| CN106046626A (en) * | 2016-08-15 | 2016-10-26 | 东莞市悠悠美居家居制造有限公司 | Polyvinyl chloride electrostatic film and preparation method thereof |
| CN106633490A (en) * | 2016-11-10 | 2017-05-10 | 周荣 | Preparation method of polyvinyl chloride antistatic film |
| CN107022898A (en) * | 2017-06-02 | 2017-08-08 | 常熟华尚新材料科技有限公司 | A kind of inflaming retarding fabric Final finishing rubber cement |
-
1987
- 1987-04-29 CN CN 87103186 patent/CN87103186A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392671A (en) * | 2009-08-17 | 2012-03-28 | 于高良 | Manufacturing method of mine blow dryer |
| CN102392671B (en) * | 2009-08-17 | 2013-06-26 | 于高良 | Manufacturing method of mine blow dryer |
| CN102432960A (en) * | 2011-08-21 | 2012-05-02 | 吴侃 | Air duct coating cloth for coal mine |
| CN102644473A (en) * | 2012-04-06 | 2012-08-22 | 贵州开磷（集团）有限责任公司 | Light plastic-woven inner sticking film air duct |
| CN102644473B (en) * | 2012-04-06 | 2014-12-31 | 贵州开磷（集团）有限责任公司 | Light plastic-woven inner sticking film air duct |
| CN103665664A (en) * | 2013-12-04 | 2014-03-26 | 安徽惠尔矿用设备有限公司 | Air duct coating cloth used for mine |
| CN106046626A (en) * | 2016-08-15 | 2016-10-26 | 东莞市悠悠美居家居制造有限公司 | Polyvinyl chloride electrostatic film and preparation method thereof |
| CN106633490A (en) * | 2016-11-10 | 2017-05-10 | 周荣 | Preparation method of polyvinyl chloride antistatic film |
| CN107022898A (en) * | 2017-06-02 | 2017-08-08 | 常熟华尚新材料科技有限公司 | A kind of inflaming retarding fabric Final finishing rubber cement |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |