CN108794876A - Fire-retardant anticorrosive heat-shrinkable T bush material of one kind and preparation method thereof - Google Patents
Fire-retardant anticorrosive heat-shrinkable T bush material of one kind and preparation method thereof 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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
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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
- C08K2003/387—Borates
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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
- C08L2201/02—Flame or fire retardant/resistant
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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 fire-retardant anticorrosive heat-shrinkable T bush material of one kind and preparation method thereof, and the heat-shrinkable T bush material includes the raw material of following parts by weight：70-100 parts of EVA resin, 30-50 parts of liquid thermoset polyimides pure resin, 4-6 parts of gas-phase grown nanometer carbon fibre powder, 6-10 parts of flame retardant 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 chlorinated paraffin, 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, prepare raw material；The premixing of S2, ptfe micropowder, phthalic anhydride, silane coupling agent and gas-phase grown nanometer carbon fibre powder and flame retardant composite material；S3, mixing；S4, it extrusion, is molded, is drying to obtain.Heat-shrinkable T bush material proposed by the present invention, fire-retardant, 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 fire-retardant anticorrosive heat-shrinkable T bush material and its
Preparation method.
Background technology
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.In order to further expand the use scope of 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, such as by addition fire retardant to enhance the flame-retarding characteristic of heat-shrinkable T bush material,
By adding heat filling to assign heat-shrinkable T bush material good thermal conduction characteristic, improve heat-shrinkable T bush by adding reinforcing material
The mechanical strength etc. of material.However the flame retardant property of the thermal contraction casing tube produced and used at present, acid-alkali-corrosive-resisting and resistance to thermal energy
Power is not strong, is used under long-term acidity, alkalinity or hot conditions, and the mechanical property of heat-shrinkable T bush can be caused to significantly reduce,
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.
Invention content
The purpose of the present invention is to solve flame retardant property, acid-alkali-corrosive-resisting and the heat-resisting quantities of existing heat-shrinkable T bush material
The deficiency of energy difference, and the fire-retardant anticorrosive heat-shrinkable T bush material of one kind 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 fire-retardant anticorrosive thermal shrinkable sleeve
Tube material includes the raw material of following parts by weight：70-100 parts of EVA resin, 30-50 parts of liquid thermoset polyimides pure resin,
4-6 parts of gas-phase grown nanometer carbon fibre powder, 6-10 parts of flame retardant 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 chlorinated paraffin, 4-7 parts of atoleine, 5-9 parts of polyethylene glycol 400, compatilizer
0.5-0.9 parts；Wherein, the preparation process of the flame retardant composite material is as follows：
(1) count in parts by weight, weigh 3-5 parts of expanded graphites, 1.5-3 parts of nano-zinc borates, 0.4-0.7 parts it is nano oxidized
Aluminium and 2-3.5 parts of ammonium polyphosphates are mixed evenly, and add 2-4 parts of perfluorobutyl potassium sulfonates and are uniformly mixed；
(2) mixture obtained by step (1) 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, obtains flame retardant composite material in vacuum drying chamber.
The mass ratio of the gas-phase grown nanometer carbon fibre powder and flame retardant 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 kind in maleic acid grafted ABS, maleic acid grafting PE, maleic acid graft PP.
The preparation method of above-mentioned fire-retardant anticorrosive heat-shrinkable T bush material, includes the following steps：
S1, according to 70-100 parts of EVA resin, 30-50 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon
4-6 parts of fiber dust, 6-10 parts of flame retardant composite material, 2-4 parts of ptfe micropowder, 2-4 parts of phthalic anhydride, silane are even
3-6 parts of agent of connection, 3-7 parts of chlorinated paraffin, 4-7 parts of atoleine, 5-9 parts of polyethylene glycol 400,0.5-0.9 parts of compatilizer weigh respectively
Raw material, it is spare；
S2, ptfe micropowder, phthalic anhydride and silane coupling agent are added in mixing machine, with 200-300r/
The rotating speed of min is stirred until homogeneous, then the rotating speed of mixing machine is improved to 300-400r/min, gas-phase grown nanometer carbon fibre is added
Powder and flame retardant composite material are mixed to uniformly up to mixture A；
S3, the step S1 EVA resins prepared and liquid thermoset polyimides pure resin are added in kneader and are carried out
It is kneaded 10-20min, then the chlorinated paraffin that step S1 is weighed, atoleine, polyethylene glycol 400, compatilizer and step S2 systems
Standby mixture A 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, it is extruded, be molded, be drying to obtain it is fire-retardant
Anticorrosive heat-shrinkable T bush material.
Fire-retardant anticorrosive heat-shrinkable T bush material provided by the invention, compared with prior art advantage be：According to the present invention
The heat-shrinkable T bush Flame Retardancy that the formula and method of the heat-shrinkable T bush material of proposition are prepared can good, corrosion-resistant, high temperature resistant
It is had excellent performance with thermal expansion, use scope is wide, and service life is long, 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, it is fire-retardant with itself
The EVA resin of function admirable is major ingredient, and carrying out function to EVA resin as auxiliary material using liquid thermoset polyimides pure resin changes
Property, then by adding gas-phase grown nanometer carbon fibre powder and flame retardant composite material to improve the mechanics and material of heat-shrinkable T bush material
Expect flame retardant property, and the ptfe micropowder of rational proportion, phthalic anhydride and silane coupling agent are used in compounding, then ties
The fire proofing for closing compounding, can play good synergistic effect, outside the heat-shrinkable for keeping heat-shrinkable T bush material basic, have
Effect solves the problem of the poor flame retardant properties of traditional heat-shrinkable T bush material, acid-alkali-corrosive-resisting and high temperature resistance difference, Er Qiejing
Experiments have shown that the impact strength for the heat-shrinkable T bush material that the present invention obtains is big, and in the power after peracid, alkali and hot air aging
The amplitude for learning reduced performance is small, and in addition to this, the present invention is in preparation process first by ptfe micropowder, phthalic anhydride
With silane coupling agent mix, then gas-phase grown nanometer carbon fibre powder and flame retardant composite material are added, to shorten original
Expect to search the dispersibility in shell material in corrosion heat, improves the mechanical property of thermoplastic bushing, improve the fidelity factor between batch, more
It is suitable for industrialized production.
Specific implementation mode
The specific implementation mode of the present invention is described in detail 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 fire-retardant anticorrosive heat-shrinkable T bush material, includes the raw material of following parts by weight：
85 parts of EVA resin, 42 parts of liquid thermoset polyimides pure resin, 5 parts of gas-phase grown nanometer carbon fibre powder, resistance
8 parts of retardant composite material, 3 parts of ptfe micropowder, 3 parts of phthalic anhydride, 5.6 parts of silane coupling agent, 5 parts of chlorinated paraffin,
6 parts of atoleine, 7 parts of polyethylene glycol 400,0.7 part of maleic acid grafted ABS；Wherein, the preparation step of the flame retardant composite material
It is rapid as follows：
(1) it counts in parts by weight, weighs 4 parts of expanded graphites, 2.3 parts of nano-zinc borates, 0.6 part of nano aluminium oxide and 3.2
Part ammonium polyphosphate is mixed evenly, and adds 3.6 parts of perfluorobutyl potassium sulfonates and is uniformly mixed；
(2) mixture obtained by step (1) is placed in ball mill after grinding 5h and is taken out, then the mixture of taking-up is placed in
Dry 8h at 75 DEG C, obtains flame retardant composite material in vacuum drying chamber.
The preparation method of above-mentioned fire-retardant anticorrosive heat-shrinkable T bush material, includes the following steps：
S1, according to 85 parts of EVA resin, 42 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon fibre powder
5 parts of end, 8 parts of flame retardant composite material, 3 parts of ptfe micropowder, 3 parts of phthalic anhydride, 5.6 parts of silane coupling agent, chlorination
5 parts of paraffin, 6 parts of atoleine, 7 parts of polyethylene glycol 400,0.7 part of maleic acid grafted ABS weighs each raw material, spare；
S2, ptfe micropowder, phthalic anhydride and silane coupling agent are added in mixing machine, with 260r/min's
Rotating speed is stirred until homogeneous, then the rotating speed of mixing machine is improved to 360r/min, gas-phase grown nanometer carbon fibre powder and fire-retardant is added
Composite material is mixed to uniformly up to mixture A；
S3, the step S1 EVA resins prepared and liquid thermoset polyimides pure resin are added in kneader and are carried out
It is kneaded 16min, then the chlorinated paraffin that step S1 is weighed, atoleine, polyethylene glycol 400, maleic acid grafted ABS and step
Mixture A prepared by S2 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, it is extruded, be molded, be drying to obtain it is fire-retardant
Anticorrosive heat-shrinkable T bush material.
Embodiment 2
A kind of fire-retardant anticorrosive heat-shrinkable T bush material, includes the raw material of following parts by weight：
90 parts of EVA resin, 48 parts of liquid thermoset polyimides pure resin, 5 parts of gas-phase grown nanometer carbon fibre powder, resistance
9 parts of retardant composite material, 3 parts of ptfe micropowder, 3.6 parts of phthalic anhydride, 6 parts of silane coupling agent, 6 parts of chlorinated paraffin,
6 parts of atoleine, 8 parts of polyethylene glycol 400,0.8 part of maleic acid graft PP；Wherein, the preparation process of the flame retardant composite material
It is as follows：
(1) it counts in parts by weight, weighs 4 parts of expanded graphites, 2.3 parts of nano-zinc borates, 0.6 part of nano aluminium oxide and 3.2
Part ammonium polyphosphate is mixed evenly, and adds 3.6 parts of perfluorobutyl potassium sulfonates and is uniformly mixed；
(2) mixture obtained by step (1) is placed in ball mill after grinding 5h and is taken out, then the mixture of taking-up is placed in
Dry 8h at 75 DEG C, obtains flame retardant composite material in vacuum drying chamber.
The preparation method of above-mentioned fire-retardant anticorrosive heat-shrinkable T bush material, includes the following steps：
S1, according to 90 parts of EVA resin, 48 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon fibre powder
5 parts of end, 9 parts of flame retardant composite material, 3 parts of ptfe micropowder, 3.6 parts of phthalic anhydride, 6 parts of silane coupling agent, chlorination
6 parts of paraffin, 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 in mixing machine, with 280r/min's
Rotating speed is stirred until homogeneous, then the rotating speed of mixing machine is improved to 380r/min, gas-phase grown nanometer carbon fibre powder and fire-retardant is added
Composite material is mixed to uniformly up to mixture A；
S3, the step S1 EVA resins prepared and liquid thermoset polyimides pure resin are added in kneader and are carried out
It is kneaded 20min, then the chlorinated paraffin that step S1 is weighed, atoleine, polyethylene glycol 400, maleic acid graft PP and step
Mixture A prepared by S2 is added sequentially in kneader, continues to be kneaded 38min to get mixture B；
S4, mixture B made from step S3 is added in screw extruder, it is extruded, be molded, be drying to obtain it is fire-retardant
Anticorrosive heat-shrinkable T bush material.
Embodiment 3
A kind of fire-retardant anticorrosive heat-shrinkable T bush material, includes the raw material of following parts by weight：
90 parts of EVA resin, 42 parts of liquid thermoset polyimides pure resin, 5 parts of gas-phase grown nanometer carbon fibre powder, resistance
8 parts of retardant composite material, 3 parts of ptfe micropowder, 3 parts of phthalic anhydride, 5 parts of silane coupling agent, 6 parts of chlorinated paraffin, liquid
6 parts of body paraffin, 7 parts of polyethylene glycol 400, maleic acid are grafted 0.8 part of PE；Wherein, the preparation process of the flame retardant composite material is such as
Under：
(1) it counts in parts by weight, weighs 4 parts of expanded graphites, 2.3 parts of nano-zinc borates, 0.6 part of nano aluminium oxide and 3.2
Part ammonium polyphosphate is mixed evenly, and adds 3.6 parts of perfluorobutyl potassium sulfonates and is uniformly mixed；
(2) mixture obtained by step (1) is placed in ball mill after grinding 5h and is taken out, then the mixture of taking-up is placed in
Dry 8h at 75 DEG C, obtains flame retardant composite material in vacuum drying chamber.
The preparation method of above-mentioned fire-retardant anticorrosive heat-shrinkable T bush material, includes the following steps：
S1, according to 90 parts of EVA resin, 42 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon fibre powder
5 parts of end, 8 parts of flame retardant composite material, 3 parts of ptfe micropowder, 3 parts of phthalic anhydride, 5 parts of silane coupling agent, chlorination stone
6 parts of wax, 6 parts of atoleine, 7 parts of polyethylene glycol 400,0.8 part of PE of maleic acid grafting weighs each raw material, spare；
S2, ptfe micropowder, phthalic anhydride and silane coupling agent are added in mixing machine, with 280r/min's
Rotating speed is stirred until homogeneous, then the rotating speed of mixing machine is improved to 360r/min, gas-phase grown nanometer carbon fibre powder and fire-retardant is added
Composite material is mixed to uniformly up to mixture A；
S3, the step S1 EVA resins prepared and liquid thermoset polyimides pure resin are added in kneader and are carried out
It is kneaded 18min, then chlorinated paraffin that step S1 is weighed, atoleine, polyethylene glycol 400, maleic acid is grafted PE and step
Mixture A prepared by S2 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, it is extruded, be molded, be drying to obtain it is fire-retardant
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 standards 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 experiment in aging temperature be 100 DEG C, ageing time 240h.
1 experimental result of table shows that the tensile strength of heat-shrinkable T bush material prepared by embodiment 1-3 is 32.4-34.9MPa,
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 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 to tensile strength with silane coupling agent, 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 flame retardant property of heat-shrinkable T bush material prepared by embodiment 1-3, acid-alkali-corrosive-resisting and high temperature resistance are excellent,
Change unobvious by the tensile strength of acid corrosion or caustic corrosion heat-shrinkable T bush material also or after air oven aging test, exists
10% hereinafter, and under equal conditions, heat-shrinkable T bush material prepared by comparative example 1-3 is 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 flame retardant property 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,
Any one 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 fire-retardant anticorrosive heat-shrinkable T bush material, which is characterized in that include the raw material of following parts by weight：EVA resin 70-
100 parts, 30-50 parts of liquid thermoset polyimides pure resin, 4-6 parts of gas-phase grown nanometer carbon fibre powder, fire-retardant composite wood
6-10 parts of material, 2-4 parts of ptfe micropowder, 2-4 parts of phthalic anhydride, 3-6 parts of silane coupling agent, 3-7 parts of chlorinated paraffin,
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 flame retardant composite material
It is rapid as follows：
(1) count in parts by weight, weigh 3-5 parts of expanded graphites, 1.5-3 parts of nano-zinc borates, 0.4-0.7 parts of nano aluminium oxides and
2-3.5 parts of ammonium polyphosphates are mixed evenly, and add 2-4 parts of perfluorobutyl potassium sulfonates and are uniformly mixed；
(2) mixture obtained by step (1) 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 flame retardant composite material in empty drying box.
2. the fire-retardant anticorrosive heat-shrinkable T bush material of one kind according to claim 1, which is characterized in that the vapor phase growth is received
The mass ratio of rice carbon fiber powder and flame retardant composite material is 1：(1-2.5).
3. the fire-retardant anticorrosive heat-shrinkable T bush material of one kind 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. the fire-retardant anticorrosive heat-shrinkable T bush material of one kind according to claim 1, which is characterized in that the compatilizer is horse
Carry out one kind in sour grafted ABS, maleic acid grafting PE, maleic acid graft PP.
5. a kind of preparation method of fire-retardant anticorrosive heat-shrinkable T bush material as described in claim 1-4 any one, feature
It is, includes the following steps：
S1, according to 70-100 parts of EVA resin, 30-50 parts of liquid thermoset polyimides pure resin, gas-phase grown nanometer carbon fibre
4-6 parts of powder, 6-10 parts of flame retardant composite material, 2-4 parts of ptfe micropowder, 2-4 parts of phthalic anhydride, silane coupling agent
3-6 parts, 3-7 parts of chlorinated paraffin, 4-7 parts of atoleine, 5-9 parts of polyethylene glycol 400,0.5-0.9 parts of compatilizer weighs each raw material,
It is spare；
S2, ptfe micropowder, phthalic anhydride and silane coupling agent are added in mixing machine, with 200-300r/min's
Rotating speed is stirred until homogeneous, then by the rotating speed of mixing machine improve to 300-400r/min be added gas-phase grown nanometer carbon fibre powder and
Flame retardant composite material is mixed to uniformly up to mixture A；
S3, the step S1 EVA resins prepared and liquid thermoset polyimides pure resin are added in kneader and are kneaded
Prepared by 10-20min, then chlorinated paraffin that step S1 is weighed, atoleine, polyethylene glycol 400, compatilizer and step S2
Mixture A 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, it is extruded, be molded, be drying to obtain fire-retardant anti-corruption
Lose heat-shrinkable T bush material.
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| CN201810683949.4A CN108794876A (en) | 2018-06-28 | 2018-06-28 | Fire-retardant anticorrosive heat-shrinkable T bush material of one kind and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810683949.4A CN108794876A (en) | 2018-06-28 | 2018-06-28 | Fire-retardant anticorrosive heat-shrinkable T bush material of one kind and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785627A (en) * | 2012-07-19 | 2012-11-21 | 马道平 | Layer structure composite material bumper with panel composite function and production method thereof |
| CN103571377A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Anti-aging hot melt adhesive |
| CN104916363A (en) * | 2014-03-10 | 2015-09-16 | 佛山市顺德区北航先进技术产业基地有限公司 | Compound material core aluminum stranded wire and manufacturing method thereof |
-
2018
- 2018-06-28 CN CN201810683949.4A patent/CN108794876A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785627A (en) * | 2012-07-19 | 2012-11-21 | 马道平 | Layer structure composite material bumper with panel composite function and production method thereof |
| CN103571377A (en) * | 2013-10-24 | 2014-02-12 | 芜湖众力部件有限公司 | Anti-aging hot melt adhesive |
| CN104916363A (en) * | 2014-03-10 | 2015-09-16 | 佛山市顺德区北航先进技术产业基地有限公司 | Compound material core aluminum stranded wire and manufacturing method thereof |
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Application publication date: 20181113 |
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