CN105860173A - High-flexibility abrasion-resistant material special for motor slot wedge - Google Patents
High-flexibility abrasion-resistant material special for motor slot wedge Download PDFInfo
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- CN105860173A CN105860173A CN201610235967.7A CN201610235967A CN105860173A CN 105860173 A CN105860173 A CN 105860173A CN 201610235967 A CN201610235967 A CN 201610235967A CN 105860173 A CN105860173 A CN 105860173A
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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
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F114/00—Homopolymers 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
- C08F114/18—Monomers containing fluorine
- C08F114/22—Vinylidene fluoride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/28—Oxygen or compounds releasing free oxygen
- C08F4/32—Organic compounds
- C08F4/34—Per-compounds with one peroxy-radical
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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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
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Abstract
The invention discloses a high-flexibility abrasion-resistant material special for motor slot wedge. The high-flexibility abrasion-resistant material special for motor slot wedge is prepared from, by weight, 35-38 parts of chloroprene rubber, 25-30 parts of enhanced polyvinylidene fluoride, 20-24 parts of acrylic resin, 30-35 parts of brominated butyl rubber, 1.6-1.9 parts of sulfur powder, 2.3-2.6 parts of accelerant AA, 1.1-1.4 parts of an accelerator MZ, 8-10 parts of zinc oxide, 7-9 parts of ultrafine talcum powder, 5-8 parts of sepiolite powder, 2.4-2.8 parts of silane coupling agent KH-550, 2-5 parts of stearic acid, 1.5-1.8 parts of rosin, 1.7-2 parts of diisononyl phthalate, 2-2.5 parts of an anti-aging agent 4010 NA and 1-3 parts of an anti-aging agent RD.
Description
Technical field
The present invention relates to motor slot wedge proprietary material technical field, particularly relate to a kind of special Gao Rou of motor slot wedge
Tough wear-resistant hard material.
Background technology
Motor slot wedge, due to special effect, is often faced with high friction, the feature of high-temperature, to the phase of filling
Between proprietary material propose the highest requirement.The polymer of rubber-like have excellence elasticity, plasticity with
And good physical and chemical performance, the most often it is used to as motor slot wedge proprietary material.But rubber-like material
Material also faces the shortcoming that pliability is not enough and anti-wear performance is not enough in actual use.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes a kind of special high-flexibility of motor slot wedge
High-abrasive material, pliability is good, and anti-wear performance is excellent, and can be securely attached on motor slot wedge.
A kind of motor slot wedge special high-flexibility high-abrasive material that the present invention proposes, its raw material includes by weight:
Neoprene 35-38 part, strengthens Kynoar 25-30 part, acrylic resin 20-24 part, butyl rubber bromide
Glue 30-35 part, Cosan 1.6-1.9 part, accelerant A A 2.3-2.6 part, captax Z 1.1-1.4 part, oxidation
Zinc 8-10 part, superfine talcum powder 7-9 part, sepiolite powder 5-8 part, silane resin acceptor kh-550 2.4-2.8 part, firmly
Resin acid 2-5 part, rosin 1.5-1.8 part, diisononyl phthalate 1.7-2 part, antioxidant 4010NA 2-2.5
Part, anti-aging agent RD 1-3 part.
Preferably, neoprene, enhancing Kynoar, acrylic resin, the weight of brombutyl
Ratio is 36-37:26-28:22-23:31-34.
Preferably, its raw material includes by weight: neoprene 36-37 part, strengthens Kynoar 26-28 part,
Acrylic resin 22-23 part, brombutyl 31-34 part, Cosan 1.7-1.8 part, accelerant A A 2.4-2.5
Part, captax Z 1.2-1.3 part, zinc oxide 8.5-9 part, superfine talcum powder 7.5-8 part, sepiolite powder 6-7 part,
Silane resin acceptor kh-550 2.5-2.6 part, stearic acid 3-4 part, rosin 1.6-1.7 part, the different nonyl of phthalic acid two
Ester 1.8-1.9 part, antioxidant 4010NA 2.2-2.3 part, anti-aging agent RD 1.8-2.4 part.
Preferably, strengthen Kynoar preparation process in, by deionized water, di-t-butyl peroxide,
Fluorocarbon-11 puts into process equipment, after mixing, is filled with nitrogen and carries out gas displacement；Continue to add inclined fluorine second
Alkene, rises high-temperature, rises high pressure, for the first time after heat-insulation pressure keeping, reduces temperature, reduces pressure, then add
Enter ferric trichloride, trihydroxy ethyl chlorinated isocyanurates, polyurethanes, silica, titanium dioxide,
Silane resin acceptor kh-550, after stirring, heat-insulation pressure keeping for the second time, then reduces temperature to room temperature, fall
Low-pressure, to normal pressure, cohesion, washing, separates, and dry, pulverize and obtains strengthening Kynoar.
Preferably, strengthen Kynoar preparation process in, by deionized water, di-t-butyl peroxide,
Fluorocarbon-11 puts into process equipment, after mixing, is filled with nitrogen and carries out gas displacement；Continue to add inclined fluorine second
Alkene, liter high-temperature is to 90-95 DEG C, and liter high pressure is to 4.2-4.5MPa, for the first time after heat-insulation pressure keeping 10-12h, fall
Low temperature, to 75-80 DEG C, reduces pressure to 1.8-2.2MPa, is subsequently added into ferric trichloride, trihydroxy ethyl different
Cyanurate, polyurethanes, silica, titanium dioxide, silane resin acceptor kh-550, stirring is all
After even, heat-insulation pressure keeping 2-3h for the second time, then reduction temperature is to room temperature, reduction pressure to normal pressure, cohesion, washes
Wash, separate, dry, pulverize and obtain strengthening Kynoar.
Preferably, strengthen Kynoar preparation process in, by weight by 500-550 part deionized water,
0.1-0.13 part di-t-butyl peroxide, 10-15 part fluorocarbon-11 put into process equipment, after mixing, are filled with
Nitrogen carries out gas displacement；Continuing to add 100-120 part vinylidene, liter high-temperature, to 90-95 DEG C, rises high pressure
Power is to 4.2-4.5MPa, and for the first time after heat-insulation pressure keeping 10-12h, reduction temperature, to 75-80 DEG C, reduces pressure extremely
1.8-2.2MPa, is subsequently added into 0.4-0.7 part ferric trichloride, 13-16 part trihydroxy ethyl chlorinated isocyanurates, 7-10
Part polyurethanes, 4-6 part silica, 2-5 part titanium dioxide, 1-3 part silane resin acceptor kh-550,
After stirring, heat-insulation pressure keeping 2-3h for the second time, then reduction temperature is to room temperature, reduction pressure to normal pressure, solidifying
Poly-, washing, separate, dry, pulverize and obtain strengthening Kynoar.
Preferably, strengthening in the preparation process of Kynoar, the volume ratio being filled with nitrogen and process equipment is
60-70:100-120.
Preferably, strengthening in the preparation process of Kynoar, process equipment rotates with the speed of 60-75r/min.
The enhancing Kynoar of the present invention is to introduce multiple enhancing material on Kynoar molecular structure,
And by the dimensional network structure of polyurethane resin, erect and can link, accommodate all kinds of enhancing material, from
And post-production use in, maximization plays a role, be greatly improved the present invention anti-wear performance and anti-aging,
Fatigue performance；In concrete preparation, with deionized water as decentralized medium, it is possible to promote follow-up adding materials
Diffusion, increases contact surface, thus improves yield rate；Using di-t-butyl peroxide as initiator, coordinate chain
Connect transfer agent fluorocarbon-11, have the advantages that stability is high, reaction rate is moderate, also be able to control polymerization simultaneously
The elongation at break of thing and molecular weight are in stable scope；Using ferric trichloride as catalyst, there is catalysis
Rate stabilization, environment friendly and pollution-free feature, and it is filled with the volume ratio of nitrogen and process equipment feature, it is ensured that
Containing appropriate oxygen in process equipment, further enhancing the catalytic action of ferric trichloride；Trihydroxy ethyl
Chlorinated isocyanurates is a kind of polyalcohol containing heteroaromatic structure, is grafted to gather with the silicon molecule in silica
On the molecular structure of partial fluorine ethylene polymer, enhance the pliability of the present invention, mechanical strength height and wearability
Energy, adhesive force, meanwhile, the nitrogen element that trihydroxy ethyl chlorinated isocyanurates contains can improve glass of the present invention
Change transition temperature, substantially prolongs the service life of the present invention；And titanium dioxide is at silane resin acceptor kh-550
Under effect, one is can be uniformly distributed in system, and two is can to contain via in silane resin acceptor kh-550
Amino effect under, together with above-mentioned polyvinylidene fluoride polymer, be grafted to smoothly in polyurethanes,
Greatly strengthen the intensity of the present invention, anti-wear performance and mechanical performance, processing characteristics；And strengthen polyvinylidene fluoride
In the preparation process of alkene, process equipment rotates at a given speed, serves the effect of homogeneous, emulsification, from
And promote the smooth reactive grafting of all kinds of materials added；The present invention use neoprene, strengthen Kynoar,
Acrylic resin, brombutyl are as major ingredient, and join at Cosan, accelerant A A, captax Z
Close under the vulcanizing system effect formed, quickly, smoothly sulfidization molding, make the present invention have extremely strong wear-resisting
Performance and good pliability, this vulcanizing system can reduce the fracture activation energy of sulphur ring in sulfidation,
Improve and enhance structure and the physical and mechanical properties of the present invention；Zinc oxide, superfine talcum powder, sepiolite powder
As the addition of reinforcing filler, can fill out equably under silane resin acceptor kh-550 and stearic effect
Fill at major ingredient in the space net structure that sulfuration is formed, thus while increasing volume of the present invention, significantly
Improve wear-resisting, the tear resistance of the present invention；Diisononyl phthalate is as plasticizer, energy and rosin
Coordinating, be greatly improved the ability of plasticizing forming of the present invention, antioxidant 4010NA, anti-aging agent RD then can carry
High present invention fatigue performance under the conditions of high-speed friction, extends the service life of the present invention.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
A kind of motor slot wedge special high-flexibility high-abrasive material that the present invention proposes, its raw material includes by weight:
Neoprene 38 parts, enhancing Kynoar 25 parts, acrylic resin 24 parts, brombutyl 30 parts,
Cosan 1.9 parts, accelerant A A 2.3 parts, captax Z 1.4 parts, 8 parts of zinc oxide, superfine talcum powder 9 parts,
Sepiolite powder 5 parts, silane resin acceptor kh-550 2.8 parts, stearic acid 2 parts, rosin 1.8 parts, phthalic acid
Dinonyl 1.7 parts, antioxidant 4010NA 2.5 parts, anti-aging agent RD 1 part.
Strengthen in the preparation process of Kynoar, by weight by 550 parts of deionized waters, 0.1 part of peroxidating two
The tert-butyl group, 15 parts of fluorocarbon-11s put into process equipment, after mixing, are filled with nitrogen and carry out gas displacement；Continue
Continuous add 100 parts of vinylidenes, rise high-temperature to 95 DEG C, rise high pressure to 4.2MPa, heat-insulation pressure keeping for the first time
After 12h, reduce temperature to 75 DEG C, reduce pressure to 2.2MPa, be subsequently added into 0.4 part of ferric trichloride, 16 part three
Hydroxyethyl chlorinated isocyanurates, 7 parts of polyurethanes, 6 parts of silica, 2 parts of titanium dioxide, 3 parts of silicon
Alkane coupling agent KH-550, after stirring, heat-insulation pressure keeping 2h for the second time, then reduces temperature to room temperature, fall
Low-pressure, to normal pressure, cohesion, washing, separates, and dry, pulverize and obtains strengthening Kynoar；Wherein,
The volume ratio being filled with nitrogen and process equipment is 70:100；Process equipment rotates with the speed of 75r/min.
Embodiment 2
A kind of motor slot wedge special high-flexibility high-abrasive material that the present invention proposes, its raw material includes by weight:
Neoprene 35 parts, enhancing Kynoar 30 parts, acrylic resin 20 parts, brombutyl 35 parts,
Cosan 1.6 parts, accelerant A A 2.6 parts, captax Z 1.1 parts, 10 parts of zinc oxide, superfine talcum powder 7 parts,
Sepiolite powder 8 parts, silane resin acceptor kh-550 2.4 parts, stearic acid 5 parts, rosin 1.5 parts, phthalic acid
Dinonyl 2 parts, antioxidant 4010NA 2 parts, anti-aging agent RD 3 parts.
Strengthen in the preparation process of Kynoar, by weight by 500 parts of deionized waters, 0.13 part of peroxidating
Di-t-butyl, 10 parts of fluorocarbon-11s put into process equipment, after mixing, are filled with nitrogen and carry out gas displacement；
Continuing to add 120 parts of vinylidenes, liter high-temperature, to 90 DEG C, rises high pressure and protects to 4.5MPa, first time insulation
Pressure 10h after, reduce temperature to 80 DEG C, reduce pressure to 1.8MPa, be subsequently added into 0.7 part of ferric trichloride, 13
Part trihydroxy ethyl chlorinated isocyanurates, 10 parts of polyurethanes, 4 parts of silica, 5 parts of titanium dioxide, 1
Part silane resin acceptor kh-550, after stirring, heat-insulation pressure keeping 3h for the second time, then reduce temperature to room temperature,
Reduction pressure, to normal pressure, cohesion, washing, separates, and dry, pulverize and obtains strengthening Kynoar；Wherein,
The volume ratio being filled with nitrogen and process equipment is 60:120；Process equipment rotates with the speed of 60r/min.
Embodiment 3
A kind of motor slot wedge special high-flexibility high-abrasive material that the present invention proposes, its raw material includes by weight:
Neoprene 37 parts, enhancing Kynoar 26 parts, acrylic resin 23 parts, brombutyl 31 parts,
Cosan 1.8 parts, accelerant A A 2.4 parts, captax Z 1.3 parts, 8.5 parts of zinc oxide, superfine talcum powder 8
Part, sepiolite powder 6 parts, silane resin acceptor kh-550 2.6 parts, stearic acid 3 parts, rosin 1.7 parts, adjacent benzene two
Formic acid dinonyl 1.8 parts, antioxidant 4010NA 2.3 parts, anti-aging agent RD 1.8 parts.
Strengthen in the preparation process of Kynoar, by weight by 530 parts of deionized waters, 0.11 part of peroxidating
Di-t-butyl, 14 parts of fluorocarbon-11s put into process equipment, after mixing, are filled with nitrogen and carry out gas displacement；
Continuing to add 110 parts of vinylidenes, liter high-temperature, to 93 DEG C, rises high pressure and protects to 4.3MPa, first time insulation
Pressure 11h after, reduce temperature to 76 DEG C, reduce pressure to 2.1MPa, be subsequently added into 0.5 part of ferric trichloride, 15
Part trihydroxy ethyl chlorinated isocyanurates, 8 parts of polyurethanes, 5 parts of silica, 3 parts of titanium dioxide, 2
Part silane resin acceptor kh-550, after stirring, heat-insulation pressure keeping 2.5h for the second time, then reduces temperature to room
Temperature, reduction pressure to normal pressure, cohesion, washing, separate, dry, pulverize and obtain strengthening Kynoar；
Wherein, the volume ratio being filled with nitrogen and process equipment is 70:100；Process equipment rotates with the speed of 74r/min.
Embodiment 4
A kind of motor slot wedge special high-flexibility high-abrasive material that the present invention proposes, its raw material includes by weight:
Neoprene 36 parts, enhancing Kynoar 28 parts, acrylic resin 22 parts, brombutyl 34 parts,
Cosan 1.7 parts, accelerant A A 2.5 parts, captax Z 1.2 parts, 9 parts of zinc oxide, superfine talcum powder 7.5
Part, sepiolite powder 7 parts, silane resin acceptor kh-550 2.5 parts, stearic acid 4 parts, rosin 1.6 parts, adjacent benzene two
Formic acid dinonyl 1.9 parts, antioxidant 4010NA 2.2 parts, anti-aging agent RD 2.4 parts.
Strengthen in the preparation process of Kynoar, by weight by 520 parts of deionized waters, 0.12 part of peroxidating
Di-t-butyl, 12 parts of fluorocarbon-11s put into process equipment, after mixing, are filled with nitrogen and carry out gas displacement；
Continuing to add 115 parts of vinylidenes, liter high-temperature, to 92 DEG C, rises high pressure and protects to 4.4MPa, first time insulation
Pressure 10.5h after, reduce temperature to 78 DEG C, reduce pressure to 1.9MPa, be subsequently added into 0.6 part of ferric trichloride, 14
Part trihydroxy ethyl chlorinated isocyanurates, 9 parts of polyurethanes, 4.5 parts of silica, 4 parts of titanium dioxide,
1.5 parts of silane resin acceptor kh-550s, after stirring, heat-insulation pressure keeping 3h for the second time, then reduces temperature to room
Temperature, reduction pressure to normal pressure, cohesion, washing, separate, dry, pulverize and obtain strengthening Kynoar；
Wherein, the volume ratio being filled with nitrogen and process equipment is 65:110；Process equipment is with the speed of 68-74r/min
Rotate.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (8)
1. a motor slot wedge special high-flexibility high-abrasive material, it is characterised in that its raw material wraps by weight
Include: neoprene 35-38 part, strengthen Kynoar 25-30 part, acrylic resin 20-24 part, bromination fourth
Base rubber 30-35 part, Cosan 1.6-1.9 part, accelerant A A 2.3-2.6 part, captax Z 1.1-1.4 part,
Zinc oxide 8-10 part, superfine talcum powder 7-9 part, sepiolite powder 5-8 part, silane resin acceptor kh-550 2.4-2.8
Part, stearic acid 2-5 part, rosin 1.5-1.8 part, diisononyl phthalate 1.7-2 part, antioxidant 4010NA
2-2.5 part, anti-aging agent RD 1-3 part.
Motor slot wedge special high-flexibility high-abrasive material the most according to claim 1, it is characterised in that chlorine
Buna, enhancing Kynoar, acrylic resin, the weight ratio of brombutyl are 36-37:26-28:
22-23:31-34.
Motor slot wedge the most according to claim 1 or claim 2 special high-flexibility high-abrasive material, it is characterised in that
Its raw material includes by weight: neoprene 36-37 part, strengthens Kynoar 26-28 part, acrylic resin
22-23 part, brombutyl 31-34 part, Cosan 1.7-1.8 part, accelerant A A 2.4-2.5 part, promote
Agent MZ 1.2-1.3 part, zinc oxide 8.5-9 part, superfine talcum powder 7.5-8 part, sepiolite powder 6-7 part, silane is even
Connection agent KH-550 2.5-2.6 part, stearic acid 3-4 part, rosin 1.6-1.7 part, diisononyl phthalate 1.8-1.9
Part, antioxidant 4010NA 2.2-2.3 part, anti-aging agent RD 1.8-2.4 part.
4. according to motor slot wedge special high-flexibility high-abrasive material, its feature described in any one of claim 1-3
It is, strengthens in the preparation process of Kynoar, by deionized water, di-t-butyl peroxide, fluorocarbon-11
Put into process equipment, after mixing, be filled with nitrogen and carry out gas displacement；Continue to add vinylidene, rise
High-temperature, rises high pressure, for the first time after heat-insulation pressure keeping, reduces temperature, reduces pressure, be subsequently added into trichlorine
Change iron, trihydroxy ethyl chlorinated isocyanurates, polyurethanes, silica, titanium dioxide, silane occasionally
Connection agent KH-550, after stirring, heat-insulation pressure keeping for the second time, then reduces temperature to room temperature, reduction pressure
To normal pressure, cohesion, washing, separate, dry, pulverize and obtain strengthening Kynoar.
5. according to motor slot wedge special high-flexibility high-abrasive material, its feature described in any one of claim 1-4
It is, strengthens in the preparation process of Kynoar, by deionized water, di-t-butyl peroxide, fluorocarbon-11
Put into process equipment, after mixing, be filled with nitrogen and carry out gas displacement；Continue to add vinylidene, rise
High-temperature is to 90-95 DEG C, and liter high pressure is to 4.2-4.5MPa, for the first time after heat-insulation pressure keeping 10-12h, reduces temperature
Degree is to 75-80 DEG C, and reduction pressure, to 1.8-2.2MPa, is subsequently added into ferric trichloride, trihydroxy ethyl isocyanide urine
Acid esters, polyurethanes, silica, titanium dioxide, silane resin acceptor kh-550, after stirring,
Heat-insulation pressure keeping 2-3h for the second time, then reduction temperature is to room temperature, reduction pressure to normal pressure, cohesion, washs,
Separate, dry, pulverize and obtain strengthening Kynoar.
6. according to motor slot wedge special high-flexibility high-abrasive material, its feature described in any one of claim 1-5
It is, strengthens in the preparation process of Kynoar, by weight by 500-550 part deionized water, 0.1-0.13
Part di-t-butyl peroxide, 10-15 part fluorocarbon-11 put into process equipment, after mixing, are filled with nitrogen and carry out
Gas displacement；Continuing to add 100-120 part vinylidene, liter high-temperature, to 90-95 DEG C, rises high pressure extremely
4.2-4.5MPa, for the first time after heat-insulation pressure keeping 10-12h, reduction temperature, to 75-80 DEG C, reduces pressure extremely
1.8-2.2MPa, is subsequently added into 0.4-0.7 part ferric trichloride, 13-16 part trihydroxy ethyl chlorinated isocyanurates, 7-10
Part polyurethanes, 4-6 part silica, 2-5 part titanium dioxide, 1-3 part silane resin acceptor kh-550,
After stirring, heat-insulation pressure keeping 2-3h for the second time, then reduction temperature is to room temperature, reduction pressure to normal pressure,
Cohesion, washing, separate, dry, pulverize and obtain strengthening Kynoar.
7. according to motor slot wedge special high-flexibility high-abrasive material, its feature described in any one of claim 1-6
Being, strengthening in the preparation process of Kynoar, the volume ratio being filled with nitrogen and process equipment is 60-70:
100-120。
8. according to motor slot wedge special high-flexibility high-abrasive material, its feature described in any one of claim 1-7
Being, strengthening in the preparation process of Kynoar, process equipment rotates with the speed of 60-75r/min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111763393A (en) * | 2020-05-28 | 2020-10-13 | 中裕软管科技股份有限公司 | High-air-tightness PVDF (polyvinylidene fluoride) base material special for oilfield restoration pipe and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111763393A (en) * | 2020-05-28 | 2020-10-13 | 中裕软管科技股份有限公司 | High-air-tightness PVDF (polyvinylidene fluoride) base material special for oilfield restoration pipe and preparation method thereof |
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