CN106589698A - Nanometer calcium carbonate addition reinforced modified special PVC tube used for coal mine wells, and making method thereof - Google Patents
Nanometer calcium carbonate addition reinforced modified special PVC tube used for coal mine wells, and making method thereof Download PDFInfo
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- CN106589698A CN106589698A CN201611165898.3A CN201611165898A CN106589698A CN 106589698 A CN106589698 A CN 106589698A CN 201611165898 A CN201611165898 A CN 201611165898A CN 106589698 A CN106589698 A CN 106589698A
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- calcium carbonate
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- coal mine
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- nanometer calcium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
Abstract
The invention discloses a nanometer calcium carbonate reinforced modified special PVC tube used for coal mine wells. The PVC tube is made from, by weight, 100 parts of PVC resin, 14.7-15.7 parts of glass fibers, 3.2-3.6 parts of nanometer calcium carbonate, 1.1-1.4 parts of zinc stearate, 6-8 parts of carbon fibers, 17-21 parts of zeolite powder, 3.8-4.3 parts of samarium oxide, 2.3-2.6 parts of asphalt, 5.3-5.7 parts of methyltriethoxysilane, 1.4-1.7 parts of ethoxyquinoline, 0.9-1.3 parts of tall oil acid and a proper amount of water. Nanometer calcium carbonate is coupled with the methyltriethoxysilane, the surface of the glass fibers is coated with the methyltriethoxysilane coupled nanometer calcium carbonate used as a reinforcement material, the zeolite powder is modified with the samarium oxide and the asphalt to form a modification filler, and other effective assistants are added, so the produced PVC tube used in coal mine well environment has the advantages of good corrosion and wear resistance, high tensile strength and good antibacterial property.
Description
Technical field
The present invention relates to PVC and preparation method thereof technical field, more particularly to a kind of addition nano-calcium carbonate enhancing
Modified coal mine special PVC pipe and preparation method thereof.
Background technology
Polyvinyl chloride（PVC）Resin be thermoplastic resin most widely used in our daily lifes, that consumption is maximum it
One, it has lightweight, good insulating, difficult to burn, strong mechanical performance, cheap, abundant raw material source, manufacturing process maturation etc.
Feature, thus be used widely in the fields such as coal mine pipes for mining material.However, its rushing of also having that some are difficult to overcome
Hit poor performance, the shortcomings of heat endurance is not good enough, in order to overcome many scholars of the disadvantages described above of polyvinyl chloride in PVC toughening modifying sides
Face has carried out substantial amounts of research, and current glass fibre has been progressed in the visual field of PVC study on the modification persons, such as document《Glass
The preparation of fiber/polyvinyl chloride composite materials and performance study》Glass fibre/PVC is prepared for using injection molding method（Polychlorostyrene second
Alkene）Composite.Result of study shows：When shaping penetrate pressure for 130MPa, pressurize be 100MPa, back pressure be 0.5MPa, shaping temperature
It is 100 DEG C and w to spend for 420 DEG C, mold temperature（Glass fibre）=15%（For composite quality）When, composite
Combination property it is relatively best, its tensile strength（77.4MPa）And shear strength（57.4MPa）Relative maximum, and product table
The smooth color in face is normal, and the pure PVC of bending strength ratio improves 68.4%.
It is well known that colliery is a special operating environment, dark, moist, narrow space has falling rocks sometimes, this
Being accomplished by PVC will not only have enough impact strengths, also there is the property such as antistatic, fire-retardant, wear-resisting, antibacterial, anti-corrosive properties
Energy.Yet with polyvinyl chloride high-insulation, its sheet resistance is up to 1014 Ω or so, and this insulating properties usually make polychlorostyrene second
Alkene manufactured goods produce electrostatic and easily cause blast accident during production, accumulating, use, and do not carry out in document antistatic
It is modified, in addition due to glass fibre and polyvinyl chloride poor compatibility, the shock resistance of obtained polyvinyl chloride composite materials in document
Property, shear strength, tensile strength etc. cannot meet the technical indicator of coal mine pipes for mining requirement, and wear-resisting, antibacterial, anti-corrosive properties compared with
Difference, disadvantages described above limits popularization and application of the polyvinyl chloride in underground coal mine.To improve disadvantages described above, need to existing production work
Skill and formula rate are improved, and have the advantages that tensile strength is high, antistatic, wear-resisting, Antimicrobial preservative is ageing-resistant to prepare
The mining effective modified polyvinyl chloride of underground coal mine.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of addition nano-calcium carbonate strengthens modified
Coal mine special PVC pipe and preparation method thereof.
The present invention is achieved by the following technical solutions：
A kind of addition nano-calcium carbonate strengthens modified coal mine special PVC pipe, is prepared by the raw materials in：PVC trees
Fat 100, glass fibre 14.7-15.7, nano-calcium carbonate 3.2-3.6, zinc stearate 1.1-1.4, carbon fiber 6-8, zeolite powder 17-
21st, samarium oxide 3.8-4.3, pitch 2.3-2.6, MTES 5.3-5.7, ethoxyquinoline 1.4-1.7, tall oil
Sour 0.9-1.3, appropriate amount of water.
The preparation method that a kind of described addition nano-calcium carbonate strengthens modified coal mine special PVC pipe, including it is following
Step：
（1）Nano-calcium carbonate, MTES are scattered in suitable quantity of water and form dispersion liquid, added glass fiber impregnated
10-12 hours, through baking the glass fibre for obtaining nano-calcium carbonate coating after taking-up；
（2）Zeolite powder, samarium oxide are mixed in 840-930 DEG C of roasting 1-2 hour, cooling adds pitch, zinc stearate, tall oil
Acid is put into ball milling 2-3 hours in ball mill, dries to obtain modified zeolite powder；
（3）Polyvinyl chloride resin is put in drying box and processes 6-8 hours in 110-115 DEG C, sealing preserve is standby；
（4）By step（3）In material input double screw extruder, step is added（1）、（2）Material and other residual components meltings
It is blended and granulates and to obtain stuff and other stuff；
（5）Finally by step（4）Stuff and other stuff is put into injection mo(u)lding in plastic injection molding machine, discharging.
It is an advantage of the invention that：Nano-calcium carbonate Jing MTESs are coupled and are coated on glass fibre by the present invention
Surface is added in raw material as reinforcing material, on the one hand improves compatibility of the glass fibre in PVC matrix, the opposing party
Face, when during external impacts, the impulsive force that PVC matrix is subject to is transferred to be undertaken on glass fibre and by it, causes glass
Glass fibrous fracture absorbs substantial amounts of energy from PVC matrix, so as to reach the purpose of toughness reinforcing；Simultaneously the present invention is also by zeolite powder
Oxidized samarium, asphalt modification process are added in raw material as modified filler, improve the toughness and wearability of product, then compatibility
Add other pvc pipes obtained in effective auxiliary agent in the well environment of colliery, it is excellent with anticorrosion antiwear, tensile strength height and antibacterial etc.
Point.
Specific embodiment
A kind of addition nano-calcium carbonate strengthens modified coal mine special PVC pipe, is prepared by the raw materials in：
Polyvinyl chloride resin 100, glass fibre 14.7, nano-calcium carbonate 3.2, zinc stearate 1.1, carbon fiber 6, zeolite powder 17, samarium oxide 3.8,
Pitch 2.3, MTES 5.3, ethoxyquinoline 1.4, tall oil acid 0.9, appropriate amount of water.
The preparation method that a kind of described addition nano-calcium carbonate strengthens modified coal mine special PVC pipe, including it is following
Step：
（1）Nano-calcium carbonate, MTES are scattered in suitable quantity of water and form dispersion liquid, added glass fiber impregnated
10-12 hours, through baking the glass fibre for obtaining nano-calcium carbonate coating after taking-up；
（2）Zeolite powder, samarium oxide are mixed in 840-930 DEG C of roasting 1-2 hour, cooling adds pitch, zinc stearate, tall oil
Acid is put into ball milling 2-3 hours in ball mill, dries to obtain modified zeolite powder；
（3）Polyvinyl chloride resin is put in drying box and processes 6-8 hours in 110-115 DEG C, sealing preserve is standby；
（4）By step（3）In material input double screw extruder, step is added（1）、（2）Material and other residual components meltings
It is blended and granulates and to obtain stuff and other stuff；
（5）Finally by step（4）Stuff and other stuff is put into injection mo(u)lding in plastic injection molding machine, discharging.
Using the surface of coal mine special PVC pipe obtained in the present invention is smooth and color normal, combination property is relatively best,
Its tensile strength is 79.6 MPa；Shear strength is 59.6 MPa；The pure pvc pipe of bending strength ratio improves 69.9%.
Claims (2)
1. a kind of addition nano-calcium carbonate strengthens modified coal mine special PVC pipe, it is characterised in that by the original of following weight portion
Material is made：Polyvinyl chloride resin 100, glass fibre 14.7-15.7, nano-calcium carbonate 3.2-3.6, zinc stearate 1.1-1.4, carbon fiber
6-8, zeolite powder 17-21, samarium oxide 3.8-4.3, pitch 2.3-2.6, MTES 5.3-5.7, ethoxyquinoline
1.4-1.7, tall oil acid 0.9-1.3, appropriate amount of water.
2. a kind of addition nano-calcium carbonate according to claim 1 strengthens the making side of modified coal mine special PVC pipe
Method, it is characterised in that comprise the following steps：
（1）Nano-calcium carbonate, MTES are scattered in suitable quantity of water and form dispersion liquid, added glass fiber impregnated
10-12 hours, through baking the glass fibre for obtaining nano-calcium carbonate coating after taking-up；
（2）Zeolite powder, samarium oxide are mixed in 840-930 DEG C of roasting 1-2 hour, cooling adds pitch, zinc stearate, tall oil
Acid is put into ball milling 2-3 hours in ball mill, dries to obtain modified zeolite powder；
（3）Polyvinyl chloride resin is put in drying box and processes 6-8 hours in 110-115 DEG C, sealing preserve is standby；
（4）By step（3）In material input double screw extruder, step is added（1）、（2）Material and other residual components meltings
It is blended and granulates and to obtain stuff and other stuff；
（5）Finally by step（4）Stuff and other stuff is put into injection mo(u)lding in plastic injection molding machine, discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611165898.3A CN106589698A (en) | 2016-12-16 | 2016-12-16 | Nanometer calcium carbonate addition reinforced modified special PVC tube used for coal mine wells, and making method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611165898.3A CN106589698A (en) | 2016-12-16 | 2016-12-16 | Nanometer calcium carbonate addition reinforced modified special PVC tube used for coal mine wells, and making method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106589698A true CN106589698A (en) | 2017-04-26 |
Family
ID=58802935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611165898.3A Pending CN106589698A (en) | 2016-12-16 | 2016-12-16 | Nanometer calcium carbonate addition reinforced modified special PVC tube used for coal mine wells, and making method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106589698A (en) |
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2016
- 2016-12-16 CN CN201611165898.3A patent/CN106589698A/en active Pending
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170426 |
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| WD01 | Invention patent application deemed withdrawn after publication |