CN106751424A - Antiseepage static conductive polyformaldehyde composite material and preparation method thereof - Google Patents
Antiseepage static conductive polyformaldehyde composite material and preparation method thereof Download PDFInfo
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- CN106751424A CN106751424A CN201710052037.2A CN201710052037A CN106751424A CN 106751424 A CN106751424 A CN 106751424A CN 201710052037 A CN201710052037 A CN 201710052037A CN 106751424 A CN106751424 A CN 106751424A
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- polyformaldehyde
- static conductive
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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
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
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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
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of antiseepage static conductive polyformaldehyde composite material and preparation method thereof.The antiseepage static conductive polyformaldehyde composite material includes the raw material of following weight portion：100 parts of polyformaldehyde；0.5~1 part of terpolyamide；25~35 parts of ethylene-vinyl alcohol copolymer；15~20 parts of carbon fiber；2~3 parts of carbon black；1~1.5 part of coupling agent；0.3 part of antioxidant.This antiseepage static conductive polyformaldehyde composite material has excellent conduction, barriers function, easy processing mode and long-term service life, it is gas station, oil and other preferable liner pipes of chemical liquid conveyance conduit and tube material, using the pipeline that this composite makes, Test Liquid Permeability of Core is less than 0.2g/m2D, specific insulation is no more than 103Ω。
Description
Technical field
The invention belongs to antiseepage static conductive technical field of composite materials, and in particular to a kind of antiseepage static conductive polyformaldehyde is combined
Material and preparation method thereof.
Background technology
It is at present, main based on metallic conduit in oil, oil gas, chemical industry and other chemical liquid conveyance conduits and pipe fitting,
Due to metallic conduit exist intolerant to burn into service life it is short, permeability is high, welding, maintenance cost is high the shortcomings of, section of tubing
Replaced by Multi-layer compound plastic pipe material, current compound pipeline complex pipeline mostly does antiseepage static conductive by main base of polyethylene
Layer, this material structure is extremely easy for pipeline shaping, but for connecting pipe, due to base polyethylene material
Flexibility determine dimensional instability in injection moulding process, so as to have influence on the accuracy of manufacture and follow-up installation question of pipe fitting.
The content of the invention
One of technical problems to be solved by the invention are to provide a kind of with excellent antiseepage static conductive function and to be had
Antiseepage static conductive polyformaldehyde composite wood of the enough hardness to resist injection pressure so as to avoid generation deformation in injection moulding process
Material.
In order to solve the above technical problems, the technical scheme is that：
Antiseepage static conductive polyformaldehyde composite material, including following weight portion raw material：100 parts of polyformaldehyde；Ternary polymerization Buddhist nun
0.5~1 part of dragon；25~35 parts of ethylene-vinyl alcohol copolymer；15~20 parts of carbon fiber；2~3 parts of carbon black；Coupling agent 1~1.5
Part；0.3 part of antioxidant.
Preferably, the polyformaldehyde is copolymerization level polyformaldehyde.
Preferably, the terpolyamide is nylon 6, nylon66 fiber and NYLON610 terpolyamide, fusing point does not surpass
Cross 165 DEG C.
Preferably, Ethylene mass content is less than 40% in the ethylene-vinyl alcohol copolymer.
Preferably, the carbon fiber is chopped strand.
Preferably, the carbon black is rubber conduction furnace black.
Preferably, the structural formula of the coupling agent is as follows：
In formula：N is the natural number between 24~28；R is the group containing Si elements；R " is the base containing epoxy construction
Group.
Method present invention also offers the above antiseepage static conductive polyformaldehyde composite material is prepared, including following step
Suddenly：
Step one, by polyformaldehyde, ethylene-vinyl alcohol copolymer, terpolyamide respectively under the conditions of 85~90 DEG C do
Sealing in dry 2~3 hours is standby；
Step 2,100 parts of polyformaldehyde, 0.5~1 part of terpolyamide, ethylene-vinyl alcohol are weighed respectively according to weight ratio
25~35 parts of copolymer, 15~20 parts of carbon fiber, 2~3 parts of carbon black, 1~1.5 part of coupling agent, 0.3 part of antioxidant；
Step 3, the polyformaldehyde that will be weighed, terpolyamide, ethylene-vinyl alcohol copolymer, carbon fiber, carbon black and
After antioxidant is mixed into 70~75 DEG C, coupling agent is added, continue to mix 3~5 minutes, control mixing temperature is no more than 90 DEG C；
Step 4, the material that will be mixed granulation, and the poly- first of antiseepage static conductive is obtained after water cooled, dry, pelletizing
Aldehyde composite.
Preferably, in step 4 granulating working procedure, comminutor screw combinations are cut into moderate shear, set heating-up temperature as
160~195 DEG C, 400~450rad/min of screw speed, 30~45rad/min of feeding rotating speed.
By adopting the above-described technical solution, this antiseepage static conductive polyformaldehyde composite material has excellent conduction, intercepts
Function, easy molding mode and long-term service life, have good processability and relatively low deformation rate concurrently, are managed beneficial to improving
The making precision of part, is gas station, oil and other preferable liner pipes of chemical liquid conveyance conduit and tube material, application
The pipeline liquid permeability that this antiseepage static conductive polyformaldehyde composite material makes is less than 0.2g/m2D, specific insulation is no more than 103
Ω。
Specific embodiment
With reference to embodiment, the present invention is expanded on further.In the following detailed description, only retouched by way of explanation
Some one exemplary embodiments of the invention are stated.Undoubtedly, one of ordinary skill in the art will recognize, without departing from
In the case of the spirit and scope of the present invention, the described embodiments may be modified in various different ways.Therefore,
Description is inherently illustrative, is not intended to limit the scope of the claims.
Embodiment 1
Antiseepage static conductive polyformaldehyde composite material, calculates according to weight, including 100 parts of polyformaldehyde, terpolyamide 0.8
Part, 30 parts of ethylene-vinyl alcohol copolymer, 17 parts of carbon fiber, 3 parts of carbon black, 1.5 parts of coupling agent, 0.3 part of antioxidant.
Its preparation method is as follows：
Step one, by polyformaldehyde, ethylene-vinyl alcohol copolymer, terpolyamide respectively under the conditions of 85~90 DEG C do
Sealing in dry 2~3 hours is standby；
It is step 2, more common than weighing 100 parts of polyformaldehyde, 0.8 part of terpolyamide, ethylene-vinyl alcohol respectively according to weight
30 parts of polymers, 17 parts of carbon fiber, 3 parts of carbon black, 1.5 parts of coupling agent, 0.3 part of antioxidant；
Step 3, other components high mixer will be placed in addition to coupling agent, be mixed into 70~75 DEG C, add coupling agent, continued
Mixing 3~5 minutes, control mixing temperature is no more than 90 DEG C；
Step 4, the material that will be mixed are put into comminutor, and comminutor screw combinations are cut into moderate shear, setting heating
Temperature is 160~195 DEG C, 400~450rad/min of screw speed, 30~45rad/min of feeding rotating speed.It is water cooled, dry, cut
Into antiseepage static conductive polyformaldehyde composite material after grain.
Using the pipeline that above-mentioned antiseepage static conductive polyformaldehyde composite material makes, Test Liquid Permeability of Core is less than 0.15g/m2D, body
Product resistivity is no more than 8.3*103Ω。
Embodiment 2
Antiseepage static conductive polyformaldehyde composite material, calculates according to weight, including 100 parts of polyformaldehyde, terpolyamide 1
Part, 32 parts of ethylene-vinyl alcohol copolymer, 20 parts of carbon fiber, 2.5 parts of carbon black, 1.5 parts of coupling agent, 0.3 part of antioxidant.
Its preparation method is as follows：
Step one, by polyformaldehyde, ethylene-vinyl alcohol copolymer, terpolyamide respectively under the conditions of 85~90 DEG C do
Sealing in dry 2~3 hours is standby；
Step 2,100 parts of polyformaldehyde, 1 part of terpolyamide, ethylene vinyl alcohol copolymer are weighed respectively according to weight ratio
32 parts of thing, 20 parts of carbon fiber, 2.5 parts of carbon black, 1.5 parts of coupling agent, 0.3 part of antioxidant；
Step 3, other components high mixer will be placed in addition to coupling agent, be mixed into 70~75 DEG C, add coupling agent, continued
Mixing 3~5 minutes, control mixing temperature is no more than 90 DEG C；
Step 4, the material that will be mixed are put into comminutor, and comminutor screw combinations are cut into moderate shear, setting heating
Temperature is 160~195 DEG C, 400~450rad/min of screw speed, 30~45rad/min of feeding rotating speed.It is water cooled, dry, cut
Into antiseepage static conductive polyformaldehyde composite material after grain.
Using the pipeline that above-mentioned antiseepage static conductive polyformaldehyde composite material makes, Test Liquid Permeability of Core is less than 0.132g/m2D,
Specific insulation is no more than 5.8*103Ω。
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, done equivalent variations and modification on the premise of design of the invention and principle is not departed from,
The scope of protection of the invention should be belonged to.
Claims (9)
1. antiseepage static conductive polyformaldehyde composite material, it is characterised in that the raw material including following weight portion：100 parts of polyformaldehyde；Three
0.5~1 part of first copolymer nylon；25~35 parts of ethylene-vinyl alcohol copolymer；15~20 parts of carbon fiber；2~3 parts of carbon black；Coupling agent
1~1.5 part；0.3 part of antioxidant.
2. antiseepage static conductive polyformaldehyde composite material as claimed in claim 1, it is characterised in that：The polyformaldehyde is copolymerization level
Polyformaldehyde.
3. antiseepage static conductive polyformaldehyde composite material as claimed in claim 1, it is characterised in that：The terpolyamide is
Nylon 6, nylon66 fiber and NYLON610 terpolyamide, fusing point are no more than 165 DEG C.
4. antiseepage static conductive polyformaldehyde composite material as claimed in claim 1, it is characterised in that：The ethylene-vinyl alcohol is total to
Ethylene mass content is less than 40% in polymers.
5. antiseepage static conductive polyformaldehyde composite material as claimed in claim 1, it is characterised in that：The carbon fiber is the fibre that is chopped
Dimension.
6. antiseepage static conductive polyformaldehyde composite material as claimed in claim 1, it is characterised in that：The carbon black is rubber with leading
Electric furnace process carbon black.
7. antiseepage static conductive polyformaldehyde composite material as claimed in claim 1, it is characterised in that：The structural formula of the coupling agent
It is as follows：
In formula：N is the natural number between 24~28；R is the group containing Si elements；R " is the group containing epoxy construction.
8. the method for preparing antiseepage static conductive polyformaldehyde composite material as claimed in claim 1, it is characterised in that including as follows
Step：
Step one, by polyformaldehyde, ethylene-vinyl alcohol copolymer, terpolyamide respectively under the conditions of 85~90 DEG C dry 2~
Sealing in 3 hours is standby；
Step 2,100 parts of polyformaldehyde, 0.5~1 part of terpolyamide, ethylene vinyl alcohol copolymer are weighed respectively according to weight ratio
25~35 parts of thing, 15~20 parts of carbon fiber, 2~3 parts of carbon black, 1~1.5 part of coupling agent, 0.3 part of antioxidant；
Step 3, the polyformaldehyde that will be weighed, terpolyamide, ethylene-vinyl alcohol copolymer, carbon fiber, carbon black and antioxygen
After agent is mixed into 70~75 DEG C, coupling agent is added, continue to mix 3~5 minutes, control mixing temperature is no more than 90 DEG C；
Step 4, the material that will be mixed granulation, and it is multiple that the antiseepage static conductive polyformaldehyde is obtained after water cooled, dry, pelletizing
Condensation material.
9. preparation method as claimed in claim 8, it is characterised in that：In step 4 granulating working procedure, comminutor screw combinations are cut
Moderate shear is cut to, heating-up temperature as 160~195 DEG C is set, 400~450rad/min of screw speed, feeding rotating speed 30~
45rad/min。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710052037.2A CN106751424A (en) | 2017-01-20 | 2017-01-20 | Antiseepage static conductive polyformaldehyde composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710052037.2A CN106751424A (en) | 2017-01-20 | 2017-01-20 | Antiseepage static conductive polyformaldehyde composite material and preparation method thereof |
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| CN201710052037.2A Pending CN106751424A (en) | 2017-01-20 | 2017-01-20 | Antiseepage static conductive polyformaldehyde composite material and preparation method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102759A (en) * | 1986-04-15 | 1987-12-30 | 纳幕尔杜邦公司 | The polyformaldehyde composition of stabilization |
| WO2004012210A1 (en) * | 2002-07-25 | 2004-02-05 | E.I. Du Pont De Nemours And Company | Static dissipative thermoplastic polymer composition |
| CN101240091A (en) * | 2008-03-07 | 2008-08-13 | 清华大学 | Method for preparing conductive composite material by utilizing synergistic reaction of conductive filling material |
| CN103087391A (en) * | 2013-03-11 | 2013-05-08 | 河南理工大学 | Antistatic polymer blending composition |
| CN103214783A (en) * | 2013-04-19 | 2013-07-24 | 云南云天化股份有限公司 | Novel conductive polyformaldehyde material and preparation method |
| CN104072937A (en) * | 2014-07-07 | 2014-10-01 | 云南云天化股份有限公司 | Antistatic polyformaldehyde resin |
| CN104650529A (en) * | 2015-02-06 | 2015-05-27 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced polyformaldehyde composite material having good weather fastness and preparation method of carbon fiber reinforced polyformaldehyde composite material |
| CN105754282A (en) * | 2016-05-16 | 2016-07-13 | 苏州新区华士达工程塑胶有限公司 | Conductive modified polyoxymethylene plastic |
-
2017
- 2017-01-20 CN CN201710052037.2A patent/CN106751424A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87102759A (en) * | 1986-04-15 | 1987-12-30 | 纳幕尔杜邦公司 | The polyformaldehyde composition of stabilization |
| WO2004012210A1 (en) * | 2002-07-25 | 2004-02-05 | E.I. Du Pont De Nemours And Company | Static dissipative thermoplastic polymer composition |
| CN101240091A (en) * | 2008-03-07 | 2008-08-13 | 清华大学 | Method for preparing conductive composite material by utilizing synergistic reaction of conductive filling material |
| CN103087391A (en) * | 2013-03-11 | 2013-05-08 | 河南理工大学 | Antistatic polymer blending composition |
| CN103214783A (en) * | 2013-04-19 | 2013-07-24 | 云南云天化股份有限公司 | Novel conductive polyformaldehyde material and preparation method |
| CN104072937A (en) * | 2014-07-07 | 2014-10-01 | 云南云天化股份有限公司 | Antistatic polyformaldehyde resin |
| CN104650529A (en) * | 2015-02-06 | 2015-05-27 | 合肥康龄养生科技有限公司 | Carbon fiber reinforced polyformaldehyde composite material having good weather fastness and preparation method of carbon fiber reinforced polyformaldehyde composite material |
| CN105754282A (en) * | 2016-05-16 | 2016-07-13 | 苏州新区华士达工程塑胶有限公司 | Conductive modified polyoxymethylene plastic |
Non-Patent Citations (2)
| Title |
|---|
| 卓昌明: "《塑料应用技术手册》", 31 May 2013, 机械工业出版社 * |
| 张丹枫: "《烯烃聚合》", 30 September 2014, 华东理工大学出版社 * |
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Application publication date: 20170531 |