CN109021435A - A kind of anticorrosive heat-shrinkable T bush material and preparation method thereof that insulate - Google Patents
A kind of anticorrosive heat-shrinkable T bush material and preparation method thereof that insulate Download PDFInfo
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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
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/382—Boron-containing compounds and nitrogen
- C08K2003/385—Binary compounds of nitrogen with boron
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- 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
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention provides a kind of anticorrosive heat-shrinkable T bush material and preparation method thereof that insulate, the heat-shrinkable T bush material includes the raw material of following parts by weight: 70-95 parts of polyvinyl chloride, 30-50 parts of liquid thermoset polyimides pure resin, and 4-7 parts of gas-phase grown nanometer carbon fibre powder, 6-10 parts of insulating composite material, 2-4 parts of ptfe micropowder, 2-4 parts of phthalic anhydride, 3-6 parts of silane coupling agent, 3-7 parts of epoxidized soybean oil, 4-7 parts of atoleine, 5-9 parts of polyethylene glycol 400,0.5-0.9 parts of compatilizer；Preparation method includes the following steps: S1, preparing raw material；The premixing of S2, ptfe micropowder, phthalic anhydride, silane coupling agent and gas-phase grown nanometer carbon fibre powder and insulating composite material；S3, mixing；S4, it extrusion, forms, be drying to obtain.Heat-shrinkable T bush material proposed by the present invention, insulation, anticorrosive, high temperature resistant and thermal expansion are had excellent performance.
Description
Technical field
The invention belongs to heat-shrinkable T bush field of material technology, and in particular to a kind of anticorrosive heat-shrinkable T bush material of insulation and its
Preparation method.
Background technique
Heat-shrinkable T bush also known as thermal contraction protection sleeve pipe, provide insulation protection for electric wire, cable or wire terminal, have low temperature
Shrink, soft fire-retardant, insulation corrosion protection the features such as, be widely used in harness, solder joint, the insulation protection of inductance and metal tube, stick
The fields such as antirust, corrosion protection.For the use scope of further expansion heat-shrinkable T bush, it will usually not according to field of employment demand
Together, function modified to the progress of heat-shrinkable T bush material, for example pass through the flame-retarding characteristic for adding fire retardant to enhance heat-shrinkable T bush material,
By addition heat filling to assign heat-shrinkable T bush material good thermal conduction characteristic, heat-shrinkable T bush is improved by addition reinforcing material
The mechanical strength etc. of material.However the insulation performance of the thermal contraction casing tube produced and used at present, acid-alkali-corrosive-resisting and resistance to thermal energy
Power is not strong, uses under long-term acidity, alkalinity or hot conditions, and the mechanical property that will lead to heat-shrinkable T bush significantly reduces,
To influence the protective effect of heat-shrinkable T bush, shorten the service life of heat-shrinkable T bush.Based on the deficiencies in the prior art, originally
Invention proposes a kind of anticorrosive heat-shrinkable T bush material and preparation method thereof that insulate.
Summary of the invention
The purpose of the present invention is to solve insulation performance, acid-alkali-corrosive-resisting and the heat-resisting quantities of existing heat-shrinkable T bush material
The deficiency of energy difference, and the anticorrosive heat-shrinkable T bush material of a kind of insulation and preparation method thereof proposed.
In order to achieve the goal above, the present invention is achieved by the following technical programs: a kind of anticorrosive thermal shrinkable sleeve that insulate
Tube material, the raw material including following parts by weight: 70-95 parts of polyvinyl chloride, 30-50 parts of liquid thermoset polyimides pure resin,
4-7 parts of gas-phase grown nanometer carbon fibre powder, 6-10 parts of insulating composite material, 2-4 parts of ptfe micropowder, phthalic acid
2-4 parts of acid anhydride, 3-6 parts of silane coupling agent, 3-7 parts of epoxidized soybean oil, 4-7 parts of atoleine, 5-9 parts of polyethylene glycol 400, compatilizer
0.5-0.9 parts；Wherein, the preparation step of the insulating composite material is as follows:
(1) according to parts by weight, 3-5 parts of expanded graphites, 1.5-3 parts of nano silicas, 0.4-0.7 parts of nanometer nitrogen are weighed
Change boron and 2-3.5 parts of end hydroxy butadienes are mixed evenly, adds 2-4 parts of perfluoropolyether and be uniformly mixed；
(2) step (1) resulting mixture is placed in ball mill after grinding 4-6h and is taken out, then the mixture of taking-up is set
Dry 6-8h at 60-80 DEG C in a vacuum drying oven, obtains insulating composite material.
The mass ratio of the gas-phase grown nanometer carbon fibre powder and insulating composite material is 1:(1-2.5).
The mass ratio of the ptfe micropowder, phthalic anhydride and silane coupling agent is 1:(1-2): (1-3).
The compatilizer is one of maleic acid grafted ABS, maleic acid grafting PE, maleic acid graft PP.
The preparation method of the anticorrosive heat-shrinkable T bush material of above-mentioned insulation, comprising the following steps:
S1, according to 70-95 parts of polyvinyl chloride, 30-50 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon
4-7 parts of fiber dust, 6-10 parts of insulating composite material, 2-4 parts of ptfe micropowder, 2-4 parts of phthalic anhydride, silane is even
Agent 3-6 parts of connection, 3-7 parts of epoxidized soybean oil, 4-7 parts of atoleine, 5-9 parts of polyethylene glycol 400,0.5-0.9 parts of compatilizer weigh
Each raw material, it is spare；
S2, ptfe micropowder, phthalic anhydride and silane coupling agent are added to the mixer, with 200-300r/
The revolving speed of min is stirred until homogeneous, then the revolving speed of mixing machine is improved to 300-400r/min, gas-phase grown nanometer carbon fibre is added
Powder and insulating composite material are mixed to uniformly up to mixture A；
S3, the step S1 polyvinyl chloride prepared and liquid thermoset polyimides pure resin are added in kneader and are carried out
It is kneaded 10-20min, then by the weighed epoxidized soybean oil of step S1, atoleine, polyethylene glycol 400, compatilizer and step S2
The mixture A of preparation is added sequentially in kneader, continues to be kneaded 30-40min to get mixture B；
S4, mixture B made from step S3 is added in screw extruder, through extrusion, forms, is drying to obtain insulation
Anticorrosive heat-shrinkable T bush material.
The anticorrosive heat-shrinkable T bush material provided by the invention that insulate, advantage is compared with prior art: according to the present invention
The heat-shrinkable T bush material insulation property that the formula and method of the heat-shrinkable T bush material of proposition are prepared is good, corrosion-resistant, high temperature resistant
It is had excellent performance with thermal expansion, use scope is wide, long service life, works under acid-base condition for a long time, and mechanical property will not produce
Life significantly reduces and preparation method is simple, and performance is consistent between batch；Heat-shrinkable T bush material proposed by the present invention, with performance itself
Excellent polyvinyl chloride is major ingredient, function modified to polyvinyl chloride progress as auxiliary material using liquid thermoset polyimides pure resin,
The mechanics and material of heat-shrinkable T bush material are improved by addition gas-phase grown nanometer carbon fibre powder and insulating composite material again
Insulation performance, and the ptfe micropowder of rational proportion, phthalic anhydride and silane coupling agent are used in compounding, in conjunction with
The insulating materials of compounding can play good synergistic effect, outside the heat-shrinkable for keeping heat-shrinkable T bush material basic, effectively
The insulation performance for solving traditional heat-shrinkable T bush material is poor, the problem of acid-alkali-corrosive-resisting and high temperature resistance difference, and through reality
The impact strength for verifying the heat-shrinkable T bush material that the bright present invention obtains is big, and in the mechanics after peracid, alkali and hot air aging
The amplitude of reduced performance is small, in addition to this, the present invention during the preparation process first by ptfe micropowder, phthalic anhydride and
Silane coupling agent mix, then gas-phase grown nanometer carbon fibre powder and insulating composite material are added, to shorten raw material
The dispersibility in shell material is searched in corrosion heat, the mechanical property of thermoplastic bushing is improved, improves the fidelity factor between batch, it is more suitable
Together in industrialized production.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, it is not limited to these embodiments.In embodiment, all raw materials are commercially available
Product.
Embodiment 1
A kind of anticorrosive heat-shrinkable T bush material that insulate, the raw material including following parts by weight:
85 parts of polyvinyl chloride, 42 parts of liquid thermoset polyimides pure resin, 5 parts of gas-phase grown nanometer carbon fibre powder,
8 parts of insulating composite material, 3 parts of ptfe micropowder, 3.2 parts of phthalic anhydride, 4.2 parts of silane coupling agent, epoxy soybean
5 parts of oil, 5.5 parts of atoleine, 7.3 parts of polyethylene glycol 400, maleic acid is grafted 0.7 part of PE；Wherein, the insulating composite material
Preparation step it is as follows:
(1) according to parts by weight, weigh 4 parts of expanded graphites, 2.2 parts of nano silicas, 0.5 part of nm-class boron nitride and
2.8 parts of end hydroxy butadienes are mixed evenly, and add 3.2 parts of perfluoropolyether and are uniformly mixed；
(2) step (1) resulting mixture is placed in ball mill after grinding 5h and is taken out, then the mixture of taking-up is placed in
Dry 7h at 75 DEG C, obtains insulating composite material in vacuum oven.
The preparation method of the anticorrosive heat-shrinkable T bush material of above-mentioned insulation, comprising the following steps:
S1, according to 85 parts of polyvinyl chloride, 42 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon fibre powder
5 parts of end, 8 parts of insulating composite material, 3 parts of ptfe micropowder, 3.2 parts of phthalic anhydride, 4.2 parts of silane coupling agent, ring
5 parts of oxygen soybean oil, 5.5 parts of atoleine, 7.3 parts of polyethylene glycol 400, maleic acid is grafted 0.7 part of PE and weighs each raw material, spare；
S2, ptfe micropowder, phthalic anhydride and silane coupling agent are added to the mixer, with 260r/min's
Revolving speed is stirred until homogeneous, then the revolving speed of mixing machine is improved to 350r/min, gas-phase grown nanometer carbon fibre powder and insulation is added
Composite material is mixed to uniformly up to mixture A；
S3, the step S1 polyvinyl chloride prepared and liquid thermoset polyimides pure resin are added in kneader and are carried out
It is kneaded 18min, then by the weighed epoxidized soybean oil of step S1, atoleine, polyethylene glycol 400, maleic acid is grafted PE and step
The mixture A of rapid S2 preparation is added sequentially in kneader, continues to be kneaded 36min to get mixture B；
S4, mixture B made from step S3 is added in screw extruder, through extrusion, forms, is drying to obtain insulation
Anticorrosive heat-shrinkable T bush material.
Embodiment 2
A kind of anticorrosive heat-shrinkable T bush material that insulate, the raw material including following parts by weight:
85 parts of polyvinyl chloride, 46 parts of liquid thermoset polyimides pure resin, 6 parts of gas-phase grown nanometer carbon fibre powder,
9 parts of insulating composite material, 2.8 parts of ptfe micropowder, 3.2 parts of phthalic anhydride, 4.6 parts of silane coupling agent, epoxy is big
6 parts of soya-bean oil, 6 parts of atoleine, 8 parts of polyethylene glycol 400,0.8 part of maleic acid grafted ABS；Wherein, the insulating composite material
Preparation step it is as follows:
(1) according to parts by weight, weigh 4 parts of expanded graphites, 2.2 parts of nano silicas, 0.5 part of nm-class boron nitride and
2.8 parts of end hydroxy butadienes are mixed evenly, and add 3.2 parts of perfluoropolyether and are uniformly mixed；
(2) step (1) resulting mixture is placed in ball mill after grinding 6h and is taken out, then the mixture of taking-up is placed in
Dry 7h at 75 DEG C, obtains insulating composite material in vacuum oven.
The preparation method of the anticorrosive heat-shrinkable T bush material of above-mentioned insulation, comprising the following steps:
S1, according to 85 parts of polyvinyl chloride, 46 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon fibre powder
6 parts of end, 9 parts of insulating composite material, 2.8 parts of ptfe micropowder, 3.2 parts of phthalic anhydride, 4.6 parts of silane coupling agent,
6 parts of epoxidized soybean oil, 6 parts of atoleine, 8 parts of polyethylene glycol 400,0.8 part of maleic acid grafted ABS weighs each raw material, spare；
S2, ptfe micropowder, phthalic anhydride and silane coupling agent are added to the mixer, with 260r/min's
Revolving speed is stirred until homogeneous, then the revolving speed of mixing machine is improved to 350r/min, gas-phase grown nanometer carbon fibre powder and insulation is added
Composite material is mixed to uniformly up to mixture A；
S3, the step S1 polyvinyl chloride prepared and liquid thermoset polyimides pure resin are added in kneader and are carried out
It is kneaded 18min, then by the weighed epoxidized soybean oil of step S1, atoleine, polyethylene glycol 400, maleic acid grafted ABS and step
The mixture A of rapid S2 preparation is added sequentially in kneader, continues to be kneaded 36min to get mixture B；
S4, mixture B made from step S3 is added in screw extruder, through extrusion, forms, is drying to obtain insulation
Anticorrosive heat-shrinkable T bush material.
Embodiment 3
A kind of anticorrosive heat-shrinkable T bush material that insulate, the raw material including following parts by weight:
90 parts of polyvinyl chloride, 43 parts of liquid thermoset polyimides pure resin, 6 parts of gas-phase grown nanometer carbon fibre powder,
8 parts of insulating composite material, 3 parts of ptfe micropowder, 3 parts of phthalic anhydride, 6 parts of silane coupling agent, epoxidized soybean oil 6
Part, 6 parts of atoleine, 8 parts of polyethylene glycol 400,0.8 part of maleic acid graft PP；Wherein, the preparation of the insulating composite material
Steps are as follows:
(1) according to parts by weight, weigh 4 parts of expanded graphites, 2.2 parts of nano silicas, 0.5 part of nm-class boron nitride and
2.8 parts of end hydroxy butadienes are mixed evenly, and add 3.2 parts of perfluoropolyether and are uniformly mixed；
(2) step (1) resulting mixture is placed in ball mill after grinding 5h and is taken out, then the mixture of taking-up is placed in
Dry 7h at 75 DEG C, obtains insulating composite material in vacuum oven.
The preparation method of the anticorrosive heat-shrinkable T bush material of above-mentioned insulation, comprising the following steps:
S1, according to 90 parts of polyvinyl chloride, 43 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon fibre powder
6 parts of end, 8 parts of insulating composite material, 3 parts of ptfe micropowder, 3 parts of phthalic anhydride, 6 parts of silane coupling agent, epoxy is big
6 parts of soya-bean oil, 6 parts of atoleine, 8 parts of polyethylene glycol 400,0.8 part of maleic acid graft PP weighs each raw material, spare；
S2, ptfe micropowder, phthalic anhydride and silane coupling agent are added to the mixer, with 260r/min's
Revolving speed is stirred until homogeneous, then the revolving speed of mixing machine is improved to 350r/min, gas-phase grown nanometer carbon fibre powder and insulation is added
Composite material is mixed to uniformly up to mixture A；
S3, the step S1 polyvinyl chloride prepared and liquid thermoset polyimides pure resin are added in kneader and are carried out
It is kneaded 18min, then by the weighed epoxidized soybean oil of step S1, atoleine, polyethylene glycol 400, maleic acid graft PP and step
The mixture A of rapid S2 preparation is added sequentially in kneader, continues to be kneaded 36min to get mixture B；
S4, mixture B made from step S3 is added in screw extruder, through extrusion, forms, is drying to obtain insulation
Anticorrosive heat-shrinkable T bush material.
Comparative example 1
By the phthalic anhydride in embodiment 1 according to ptfe micropowder, phthalic anhydride and silicon in embodiment 1
The mass ratio of alkane coupling agent is substituted for ptfe micropowder and silane coupling agent, and other conditions are the same as embodiment 1.
Comparative example 2
By the silane coupling agent in embodiment 1 according to ptfe micropowder, phthalic anhydride and silane in embodiment 1
The mass ratio of coupling agent is substituted for ptfe micropowder and phthalic anhydride, and other conditions are the same as embodiment 1.
Comparative example 3
By in embodiment 1 phthalic anhydride and silane coupling agent according to ptfe micropowder in embodiment 1, adjacent benzene
The mass ratio of dicarboxylic acid anhydride and silane coupling agent is substituted for ptfe micropowder, and other conditions are the same as embodiment 1.
The heat-shrinkable T bush material according to GB/T1689-1998 standard prepared by embodiment 1-3 and comparative example 1-3 respectively into
Row performance test, the results are shown in Table 1.
Table 1:
In table 1, the sulfuric acid that acid corrosion is 98% impregnates 30min, the soaking with sodium hydroxide 30min that caustic corrosion is 10%, heat
Air aging test in aging temperature be 100 DEG C, ageing time 240h.
1 experimental result of table shows that the tensile strength of the heat-shrinkable T bush material of embodiment 1-3 preparation is 33.8-35.1MPa,
And the tensile strength for individually removing phthalic anhydride or the obtained heat-shrinkable T bush material of silane coupling agent is lower than embodiment,
But the test value than being added without phthalic anhydride and silane coupling agent simultaneously is high, but improvement is unobvious, shows only to be added
Phthalic anhydride or silane coupling agent it is a kind of when obtained improvement it is unsatisfactory, while phthalic anhydride is added
It is affected with silane coupling agent to tensile strength, shows that polytetrafluoroethylene (PTFE) is micro- in heat-shrinkable T bush material proposed by the present invention
Powder, phthalic anhydride and silane coupling agent are added can act synergistically simultaneously, and the tension for significantly improving heat-shrinkable T bush material is strong
Degree；In addition to this,
The insulation performance of the heat-shrinkable T bush material of embodiment 1-3 preparation, acid-alkali-corrosive-resisting and high temperature resistance are excellent,
It is unobvious by the tensile strength variation of acid corrosion or caustic corrosion heat-shrinkable T bush material also or after air oven aging test, exist
10% hereinafter, and under equal conditions, comparative example 1-3 preparation heat-shrinkable T bush material after soda acid and thermal aging test, tension
Intensity decrease rate 10% and its more than, show that the acid and alkali-resistance of heat-shrinkable T bush material proposed by the present invention and high-temperature behavior are excellent
It is different；In terms of comprehensive, the mechanical property of heat-shrinkable T bush material proposed by the present invention is good, and insulation performance is preferable, acid-alkali-corrosive-resisting performance
By force, high temperature resistance is good.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of anticorrosive heat-shrinkable T bush material that insulate, which is characterized in that the raw material including following parts by weight: polyvinyl chloride 70-
95 parts, 30-50 parts of liquid thermoset polyimides pure resin, 4-7 parts of gas-phase grown nanometer carbon fibre powder, insulating composite material
6-10 parts, 2-4 parts of ptfe micropowder, 2-4 parts of phthalic anhydride, 3-6 parts of silane coupling agent, 3-7 parts of epoxidized soybean oil,
4-7 parts of atoleine, 5-9 parts of polyethylene glycol 400,0.5-0.9 parts of compatilizer；Wherein, the preparation step of the insulating composite material
It is rapid as follows:
(1) according to parts by weight, 3-5 parts of expanded graphites, 1.5-3 parts of nano silicas, 0.4-0.7 parts of nm-class boron nitrides are weighed
It is mixed evenly with 2-3.5 parts of end hydroxy butadienes, adds 2-4 parts of perfluoropolyether and be uniformly mixed；
(2) step (1) resulting mixture is placed in ball mill after grinding 4-6h and is taken out, then the mixture of taking-up is placed in very
Dry 6-8h at 60-80 DEG C, obtains insulating composite material in empty drying box.
2. a kind of anticorrosive heat-shrinkable T bush material that insulate according to claim 1, which is characterized in that the vapor phase growth is received
The mass ratio of rice carbon fiber powder and insulating composite material is 1:(1-2.5).
3. a kind of anticorrosive heat-shrinkable T bush material that insulate according to claim 1, which is characterized in that the polytetrafluoroethylene (PTFE)
The mass ratio of micro mist, phthalic anhydride and silane coupling agent is 1:(1-2): (1-3).
4. a kind of anticorrosive heat-shrinkable T bush material that insulate according to claim 1, which is characterized in that the compatilizer is horse
Come one of sour grafted ABS, maleic acid grafting PE, maleic acid graft PP.
5. a kind of preparation method of anticorrosive heat-shrinkable T bush material that insulate as described in claim 1-4 any one, feature
It is, comprising the following steps:
S1, according to 70-95 parts of polyvinyl chloride, 30-50 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon fibre
4-7 parts of powder, 6-10 parts of insulating composite material, 2-4 parts of ptfe micropowder, 2-4 parts of phthalic anhydride, silane coupling agent
3-6 parts, 3-7 parts of epoxidized soybean oil, 4-7 parts of atoleine, 5-9 parts of polyethylene glycol 400,0.5-0.9 parts of compatilizer weigh each original
Material, it is spare；
S2, ptfe micropowder, phthalic anhydride and silane coupling agent are added to the mixer, with 200-300r/min's
Revolving speed is stirred until homogeneous, then by the revolving speed of mixing machine improve to 300-400r/min be added gas-phase grown nanometer carbon fibre powder and
Insulating composite material is mixed to uniformly up to mixture A；
S3, the step S1 polyvinyl chloride prepared and liquid thermoset polyimides pure resin are added in kneader and are kneaded
10-20min, then prepared by the weighed epoxidized soybean oil of step S1, atoleine, polyethylene glycol 400, compatilizer and step S2
Mixture A be added sequentially in kneader, continue be kneaded 30-40min to get mixture B；
S4, mixture B made from step S3 is added in screw extruder, through extrusion, forms, is drying to obtain the anti-corruption of insulation
Lose heat-shrinkable T bush material.
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| CN111138605A (en) * | 2020-01-13 | 2020-05-12 | 淮北师范大学 | Low-temperature-resistant chemical-resistant composite material and preparation method thereof |
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| CN104861365A (en) * | 2014-12-29 | 2015-08-26 | 殷培花 | Antibiotic strengthened polyvinyl chloride tube and production method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111138605A (en) * | 2020-01-13 | 2020-05-12 | 淮北师范大学 | Low-temperature-resistant chemical-resistant composite material and preparation method thereof |
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Application publication date: 20181218 |