CN108864517A - A kind of wear resistant packing and preparation method thereof - Google Patents
A kind of wear resistant packing and preparation method thereof Download PDFInfo
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- CN108864517A CN108864517A CN201810633066.2A CN201810633066A CN108864517A CN 108864517 A CN108864517 A CN 108864517A CN 201810633066 A CN201810633066 A CN 201810633066A CN 108864517 A CN108864517 A CN 108864517A
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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
- C08L15/00—Compositions of rubber derivatives
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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
- 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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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The invention discloses a kind of wear resistant packings, are prepared by the raw material of following parts by weight：Surface-modified nano boron fibre/10-15 parts of Mo-Zn-S-F composite material, 20-30 parts of polyvinyl chloride fibre, modified polyisoprene 30-40 parts, 10-20 parts of EP rubbers, 1-5 parts of vulcanizing agent.The invention also discloses the preparation methods of the wear resistant packing.Overcoming traditional packing, more or less to there is intensity low, wearability, corrosion-resistant, high temperature resistant, acid and alkali-resistance poor sealing performance, it is easy that pump shaft is caused to damage in use, cause the service life of pump short, fastening and replacement are frequent, the technical issues of sometimes also causing a large amount of spilled oils, contaminated equipment and ambient enviroment has the advantages that mechanical property, wear-resisting, high temperature resistant, chemical stability is good, sealing performance is excellent.
Description
Technical field
The present invention relates to sealing material technical fields more particularly to a kind of wear resistant packing and preparation method thereof.
Background technique
In the current quiet slot seal structure of all kinds of machinery, the seal request of boundary junction is all very high, is commonly used
Sealing material be packing form.Packing is that a kind of woven by relatively soft thread forms, by being filled in seal cavity
Realize the sealing material of sealing.This kind of material is due to from a wealth of sources, and handling ease is cheap, and sealed reliable is easy to operate,
It is widely used in the rotating shaft sealing, piston pump, reciprocating compression of centrifugal pump, compressor, vacuum pump, blender and propeller for vessels
Turn sealing of machine, the reciprocating motion axle envelope of refrigeration machine and various valve rods etc..
Currently, common packing mainly has aramid fiber series, tetrafluoro series, graphite series, carbon fiber series and feels concerned about with glue
Column packing.These materials more or less have that intensity is low, and wearability, corrosion-resistant, high temperature resistant, acid and alkali-resistance poor sealing performance make
It is easy that pump shaft is caused to damage in, causes the service life of pump short, fastening and replacement frequently, are sometimes also caused and largely splashed
Oil, contaminated equipment and ambient enviroment, these defects limit the extensive use of traditional packing.
It is (open that Chinese patent discloses filled polytetrafluoroethylene material of a kind of oil seal part and preparation method thereof
Number：CN1464023A), composition includes (following each component dosage is parts by weight)：Suspension polytetrafluoroethylene resin 100,
Molybdenum disulfide 5.8~6.8, glass fibre 8.7~20.5, graphite powder 2.7~5.8.But the heating conduction of these packings is poor, easily grinds
Damage has seriously affected its service life and sealing stability.
Therefore, seek more efficient way, prepare it is a kind of it is wear-resisting, high temperature resistant, chemical stability is good, sealing performance is excellent
Wear resistant packing accord with the demands of the market, have extensive market value and application prospect.
Summary of the invention
The purpose of the present invention is to provide a kind of wear resistant packings and preparation method thereof.
To achieve the above object of the invention, the technical solution adopted by the present invention is that, a kind of wear resistant packing, by following parts by weight
Raw material is prepared：Surface-modified nano boron fibre/10-15 parts of Mo-Zn-S-F composite material, 20-30 parts of polyvinyl chloride fibre,
Modified polyisoprene 30-40 parts, 10-20 parts of EP rubbers, 1-5 parts of vulcanizing agent.
Preferably, vulcanizing agent penylene bismaleimide, 2,5- disulfide group -1,3 between N, N'-, 4- thiadiazoles,
One or more of sulphur.
Preferably, the preparation method of the surface-modified nano boron fibre/Mo-Zn-S-F composite material, including walk as follows
Suddenly：
Step S1：Molybdenum chloride, zinc chloride, ammonium sulfide, ammonium hexafluorophosphate are placed in water-bath kettle, it is molten that reaction is added
Agent, the hydro-thermal reaction 15-20h at 180-220 DEG C, after be cooled to room temperature, filter, first washed 3-5 times with benzene, be washed with water and wash 4-
7 times, rear to use ethanol washing 5-8 times, obtained product is 6-8 hours dry in 60-80 DEG C of vacuum oven, grinding, mistake
200-300 mesh mesh, obtains Mo-Zn-S-F；
Step S2：It disperses the Mo-Zn-S-F, the nanometer boron fibre that are prepared by step S1 in high boiling solvent,
Then poly- methyltriethoxysilane modified epoxy is added thereto, is stirred to react at 60-80 DEG C 6-8 hours, after
It settles out, filters in water, and with ethanol washing 3-5 times, obtain surface-modified nano boron fibre/Mo-Zn-S-F composite material.
As a further improvement of the present invention, molybdenum chloride described in step S1, zinc chloride, ammonium sulfide, ammonium hexafluorophosphate, anti-
The mass ratio for answering solvent is 1:1:(2-3):0.5:(10-15).
As a further improvement of the present invention, the reaction dissolvent is selected from least one of ethylenediamine, diethylamine.
Preferably, Mo-Zn-S-F described in step S2, nanometer boron fibre, high boiling solvent, poly- methyltriethoxysilane
The mass ratio of modified epoxy is (3-5):(2-3):(10-15):1.
Preferably, the poly- methyltriethoxysilane modified epoxy is previously prepared, preparation method reference：Su Qian
It is pretty etc., poly- methyltriethoxysilane modified epoxy [J] Chinese Plastics, 2017 (21), 33-35.
Preferably, the high boiling solvent is in dimethyl sulfoxide, n,N-Dimethylformamide, N-Methyl pyrrolidone
It is one or more of.
Preferably, the preparation method of the modified polyisoprene, includes the following steps：In nitrogen or atmosphere of inert gases
Under, by anti-form-1 4- polyisoprene and 2- amino -4- (P- (dimethylamino) phenyl) -1,3-butadiene -1,1,3- front three
Nitrile be added to equipped with reflux condensing tube, electric mixer there-necked flask in, then organic solvent is added into bottle, at 120-130 DEG C
Lower reflux is stirred to react 4-5 hours, and solvent is evaporated off in back spin, obtains modified polyisoprene.
As a further improvement of the present invention, the anti-form-1 4- polyisoprene, 2- amino -4- (P- (dimethylamino
Base) phenyl) -1,3- butadiene -1,1,3- trimethylsilyl nitrile, organic solvent mass ratio be (4-6):1:(10-15).
Preferably, the inert gas is selected from one or more of helium, neon, argon gas.
Preferably, the organic solvent is selected from one or more of toluene, ether, carbon disulfide.
Preferably, the preparation method of the wear resistant packing, includes the following steps:
Step D1：Each raw material is mixed at normal temperatures and pressures, by rubber mixing machine mixing and molding after mixing, parks 1-2 days, obtains
To sizing material；
Step D2：The sizing material being prepared through step D1 rolls on two-roll calendar, and 100-120 DEG C of roller temperature；Exist again
Drawing and setting is carried out at 180-200 DEG C on stretching-machine；
Step D3：Tank type vulcanizing technique is taken, upper vulcanizer vulcanizing treatment, 150-180 DEG C of heat cure temperature, the time exists
10-15 minutes, pressure 10-15MPa.
Step D4：Packing is woven using braider.
Generated beneficial effect is by adopting the above technical scheme：
1) wear resistant packing provided by the invention, manufacturing process is simple, raw material is easy to get, is easy to operate, the requirement to equipment not
Height, it is low in cost, it is suitble to large-scale production.
2) wear resistant packing provided by the invention overcomes traditional packing more or less there is intensity low, wearability, corrosion resistant
Erosion, high temperature resistant, acid and alkali-resistance poor sealing performance are easy to cause to damage to pump shaft in use, cause the service life of pump short, fastening
Frequently with replacement, the technical issues of sometimes also causing a large amount of spilled oils, contaminated equipment and ambient enviroment, has mechanical property, resistance to
The advantage that mill, high temperature resistant, chemical stability are good, sealing performance is excellent.
3) wear resistant packing provided by the invention, by adding Mo-Zn-S-F, since the F of doping is to metal alloy sulfide
Self-lubricating property improvement result, packing self-lubricating function can be effectively improved, improve its wearability, reduce friction loss, prolong
Long life；On the other hand, it and can be used as reinforcing agent, improve the mechanical mechanics property of packing, furthermore, have to vulcanization
Facilitation.
4) wear resistant packing provided by the invention, adds nanometer boron fibre, polyvinyl chloride fibre, and inorganic organic fiber collaboration is made
With packing mechanical property is further increased, by being modified to nanometer boron fibre/surface Mo-Zn-S-F, its point is on the one hand improved
Property and compatibility are dissipated, on the other hand, poly- methyltriethoxysilane modified epoxy is introduced, improves self-lubricating abrasion-resistant performance
And caking property, extend packing service life, reduces packing replacing frequency.
5) wear resistant packing provided by the invention introduces cyano structure and active ammonia by being modified to polyisoprene
Based structures, improve weatherability and chemical stability, active amino easily with the chlorine and surface-modified nano on polyvinyl chloride fibre
Gantry reaction occurs for epoxy group on boron fibre/Mo-Zn-S-F composite material, it is mechanical property, resistance to so that structure is more compact
High-temperature behavior, chemical stability are good, sealing performance is more excellent.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, and make features described above of the invention,
Purpose and advantage are more clear understandable, and the present invention will be further explained with reference to the examples below.Embodiment is only used for
It is bright the present invention rather than limit the scope of the invention.
The present invention poly- methyltriethoxysilane modified epoxy as used in the following examples is previously prepared, system
Preparation Method reference：Su Qianqian etc., poly- methyltriethoxysilane modified epoxy [J] Chinese Plastics, 2017 (21), 33-35；
Other raw materials are from upper Haiquan sunrise foreign trade Co., Ltd.
Embodiment 1
A kind of wear resistant packing is prepared by the raw material of following parts by weight：Surface-modified nano boron fibre/Mo-Zn-S-F
10 parts of composite material, 20 parts of polyvinyl chloride fibre are modified 30 parts of polyisoprene, 10 parts of EP rubbers, N, penylene span between N'-
Come 1 part of acid imide.
The preparation method of the surface-modified nano boron fibre/Mo-Zn-S-F composite material, includes the following steps：
Step S1：Molybdenum chloride 10g, zinc chloride 10g, ammonium sulfide 20g, ammonium hexafluorophosphate 5g are placed in water-bath kettle,
Be added ethylenediamine 100g, the hydro-thermal reaction 15h at 180 DEG C, after be cooled to room temperature, filter, first washed 3 times, be washed with water with benzene
It washs 4 times, rear to use ethanol washing 5 times, obtained product is 6 hours dry in 60 DEG C of vacuum oven, and 200 mesh mesh are crossed in grinding
Sieve, obtains Mo-Zn-S-F；
Step S2：Dimethyl sulfoxide is dispersed by the Mo-Zn-S-F15g, the nanometer boron fibre 10g that are prepared by step S1
In 50g, poly- methyltriethoxysilane modified epoxy 5g is then added thereto, is stirred to react at 60 DEG C 6 hours, after
It settles out, filters in water, and with ethanol washing 3 times, obtain surface-modified nano boron fibre/Mo-Zn-S-F composite material.
The preparation method of the modified polyisoprene, includes the following steps：Under nitrogen atmosphere, anti-form-1 4- is gathered different
Pentadiene 40g and 2- amino -4- (P- (dimethylamino) phenyl) -1,3- butadiene -1,1,3- trimethylsilyl nitrile 10g, which is added to, to be equipped with
Reflux condensing tube, electric mixer there-necked flask in, then toluene 100g is added into bottle, to be stirred to react 4 small for reflux at 120 DEG C
When, solvent is evaporated off in back spin, obtains modified polyisoprene.
The preparation method of the wear resistant packing, includes the following steps:
Step D1：Each raw material is mixed at normal temperatures and pressures, by rubber mixing machine mixing and molding after mixing, parks 1 day, obtains
Sizing material；
Step D2：The sizing material being prepared through step D1 rolls on two-roll calendar, and 100 DEG C of roller temperature；Again at 180 DEG C
Drawing and setting is carried out on stretching-machine；
Step D3：Tank type vulcanizing technique is taken, upper vulcanizer vulcanizing treatment, 150 DEG C of heat cure temperature, the time is at 10 points
Clock, pressure 10MPa.
Step D4：Packing is woven using braider.
Embodiment 2
A kind of wear resistant packing is prepared by the raw material of following parts by weight：Surface-modified nano boron fibre/Mo-Zn-S-F
12 parts of composite material, 23 parts of polyvinyl chloride fibre, modified 33 parts of polyisoprene, 13 parts of EP rubbers, disulfide group -1,3 2,5-,
2 parts of 4- thiadiazoles.
The preparation method of the surface-modified nano boron fibre/Mo-Zn-S-F composite material, includes the following steps：
Step S1：Molybdenum chloride 10g, zinc chloride 10g, ammonium sulfide 23g, ammonium hexafluorophosphate 5g are placed in water-bath kettle,
Be added diethylamine 120g, the hydro-thermal reaction 17h at 190 DEG C, after be cooled to room temperature, filter, first washed 4 times, be washed with water with benzene
It washs 5 times, rear to use ethanol washing 6 times, obtained product is 6.5 hours dry in 65 DEG C of vacuum oven, and 220 mesh are crossed in grinding
Mesh obtains Mo-Zn-S-F；
Step S2：N, N- are dispersed by the Mo-Zn-S-F17.5g, the nanometer boron fibre 11.5g that are prepared by step S1
In dimethylformamide 55g, poly- methyltriethoxysilane modified epoxy 5g is then added thereto, is stirred at 65 DEG C
Reaction 7 hours, after settle out in water, filter, and with ethanol washing 4 times, obtain surface-modified nano boron fibre/Mo-Zn-S-F
Composite material.
The preparation method of the modified polyisoprene, includes the following steps：Under helium atmosphere, anti-form-1 4- is gathered different
Pentadiene 45g and 2- amino -4- (P- (dimethylamino) phenyl) -1,3- butadiene -1,1,3- trimethylsilyl nitrile 10g, which is added to, to be equipped with
Reflux condensing tube, electric mixer there-necked flask in, then into bottle be added ether 125g, at 124 DEG C reflux be stirred to react 4.3
Hour, solvent is evaporated off in back spin, obtains modified polyisoprene.
The preparation method of the wear resistant packing, includes the following steps:
Step D1：Each raw material is mixed at normal temperatures and pressures, by rubber mixing machine mixing and molding after mixing, parks 1.2 days, obtains
To sizing material；
Step D2：The sizing material being prepared through step D1 rolls on two-roll calendar, and 105 DEG C of roller temperature；Again at 185 DEG C
Drawing and setting is carried out on stretching-machine；
Step D3：Tank type vulcanizing technique is taken, upper vulcanizer vulcanizing treatment, 160 DEG C of heat cure temperature, the time is at 12 points
Clock, pressure 12MPa；
Step D4：Packing is woven using braider.
Embodiment 3
A kind of wear resistant packing is prepared by the raw material of following parts by weight：Surface-modified nano boron fibre/Mo-Zn-S-F
14 parts of composite material, 25 parts of polyvinyl chloride fibre, modified 35 parts of polyisoprene, 15 parts of EP rubbers, 3 parts of sulphur.
The preparation method of the surface-modified nano boron fibre/Mo-Zn-S-F composite material, includes the following steps：
Step S1：Molybdenum chloride 10g, zinc chloride 10g, ammonium sulfide 25g, ammonium hexafluorophosphate 5g are placed in water-bath kettle,
Be added ethylenediamine 130g, the hydro-thermal reaction 18h at 200 DEG C, after be cooled to room temperature, filter, first washed 5 times, be washed with water with benzene
It washs 6 times, rear to use ethanol washing 7 times, obtained product is 7 hours dry in 70 DEG C of vacuum oven, and 250 mesh mesh are crossed in grinding
Sieve, obtains Mo-Zn-S-F；
Step S2：N- methyl pyrrole is dispersed by the Mo-Zn-S-F20g, the nanometer boron fibre 13g that are prepared by step S1
In pyrrolidone 60g, poly- methyltriethoxysilane modified epoxy 5g is then added thereto, is stirred to react 7 at 70 DEG C
Hour, after settle out in water, filter, and with ethanol washing 5 times, obtain surface-modified nano boron fibre/Mo-Zn-S-F composite wood
Material.
The preparation method of the modified polyisoprene, includes the following steps：Under neon atmosphere, anti-form-1 4- is gathered different
Pentadiene 50g and 2- amino -4- (P- (dimethylamino) phenyl) -1,3- butadiene -1,1,3- trimethylsilyl nitrile 10g, which is added to, to be equipped with
Reflux condensing tube, electric mixer there-necked flask in, then into bottle be added carbon disulfide 135g, return stirring is anti-at 126 DEG C
It answers 4.5 hours, solvent is evaporated off in back spin, obtains modified polyisoprene.
The preparation method of the wear resistant packing, includes the following steps:
Step D1：Each raw material is mixed at normal temperatures and pressures, by rubber mixing machine mixing and molding after mixing, parks 1.6 days, obtains
To sizing material；
Step D2：The sizing material being prepared through step D1 rolls on two-roll calendar, and 110 DEG C of roller temperature；Again at 190 DEG C
Drawing and setting is carried out on stretching-machine；
Step D3：Tank type vulcanizing technique is taken, upper vulcanizer vulcanizing treatment, 165 DEG C of heat cure temperature, the time is at 13 points
Clock, pressure 13MPa.
Step D4：Packing is woven using braider.
Embodiment 4
A kind of wear resistant packing is prepared by the raw material of following parts by weight：Surface-modified nano boron fibre/Mo-Zn-S-F
14 parts of composite material, 28 parts of polyvinyl chloride fibre, modified 38 parts of polyisoprene, 18 parts of EP rubbers, 4 parts of vulcanizing agent；It is described
Vulcanizing agent is N, penylene bismaleimide, 2,5- disulfide group -1,3,4- thiadiazoles, sulphur in mass ratio 2 between N'-:1:3 mixing
Made of mixture.
The preparation method of the surface-modified nano boron fibre/Mo-Zn-S-F composite material, includes the following steps：
Step S1：Molybdenum chloride 10g, zinc chloride 10g, ammonium sulfide 28g, ammonium hexafluorophosphate 5g are placed in water-bath kettle,
Be added reaction dissolvent 140g, the hydro-thermal reaction 18h at 210 DEG C, after be cooled to room temperature, filter, first washed 5 times with benzene, then use water
Washing 6 times, rear to use ethanol washing 7 times, obtained product is 7.5 hours dry in 75 DEG C of vacuum oven, and grinding crosses 280
Mesh mesh, obtains Mo-Zn-S-F；The reaction dissolvent is ethylenediamine, diethylamine in mass ratio 1:2 mix；
Step S2：By the Mo-Zn-S-F23g being prepared by step S1, that nanometer boron fibre 14g is scattered in higher boiling is molten
In agent 72g, poly- methyltriethoxysilane modified epoxy 5g is then added thereto, it is small to be stirred to react 7.8 at 78 DEG C
When, after settle out in water, filter, and with ethanol washing 5 times, obtain surface-modified nano boron fibre/Mo-Zn-S-F composite wood
Material；The high boiling solvent is dimethyl sulfoxide, N,N-dimethylformamide, N-Methyl pyrrolidone in mass ratio 2:1:2 mixing
Made of mixture.
The preparation method of the modified polyisoprene, includes the following steps：Under argon atmosphere, anti-form-1 4- is gathered different
Pentadiene 55g and 2- amino -4- (P- (dimethylamino) phenyl) -1,3- butadiene -1,1,3- trimethylsilyl nitrile 10g, which is added to, to be equipped with
Reflux condensing tube, electric mixer there-necked flask in, then into bottle be added organic solvent 145g, return stirring is anti-at 128 DEG C
It answers 4.9 hours, solvent is evaporated off in back spin, obtains modified polyisoprene；The organic solvent is ether, carbon disulfide by quality
Than 3:4 mixtures mixed.
The preparation method of the wear resistant packing, includes the following steps:
Step D1：Each raw material is mixed at normal temperatures and pressures, by rubber mixing machine mixing and molding after mixing, parks 1.8 days, obtains
To sizing material；
Step D2：The sizing material being prepared through step D1 rolls on two-roll calendar, and 115 DEG C of roller temperature；Again at 195 DEG C
Drawing and setting is carried out on stretching-machine；
Step D3：Tank type vulcanizing technique is taken, upper vulcanizer vulcanizing treatment, 175 DEG C of heat cure temperature, the time is at 14 points
Clock, pressure 14MPa.
Step D4：Packing is woven using braider.
Embodiment 5
A kind of wear resistant packing is prepared by the raw material of following parts by weight：Surface-modified nano boron fibre/Mo-Zn-S-F
15 parts of composite material, 30 parts of polyvinyl chloride fibre, modified 40 parts of polyisoprene, 20 parts of EP rubbers, disulfide group -1,3 2,5-,
5 parts of 4- thiadiazoles.
The preparation method of the surface-modified nano boron fibre/Mo-Zn-S-F composite material, includes the following steps：
Step S1：Molybdenum chloride 10g, zinc chloride 10g, ammonium sulfide 30g, ammonium hexafluorophosphate 5g are placed in water-bath kettle,
Be added diethylamine 150g, the hydro-thermal reaction 20h at 220 DEG C, after be cooled to room temperature, filter, first washed 5 times, be washed with water with benzene
It washs 7 times, rear to use ethanol washing 8 times, obtained product is 8 hours dry in 80 DEG C of vacuum oven, and 300 mesh mesh are crossed in grinding
Sieve, obtains Mo-Zn-S-F；
Step S2：N- methyl pyrrole is dispersed by the Mo-Zn-S-F25g, the nanometer boron fibre 15g that are prepared by step S1
In pyrrolidone 75g, poly- methyltriethoxysilane modified epoxy 5g is then added thereto, is stirred to react 8 at 80 DEG C
Hour, after settle out in water, filter, and with ethanol washing 5 times, obtain surface-modified nano boron fibre/Mo-Zn-S-F composite wood
Material.
The preparation method of the modified polyisoprene, includes the following steps：Under nitrogen atmosphere, anti-form-1 4- is gathered different
Pentadiene 60g and 2- amino -4- (P- (dimethylamino) phenyl) -1,3- butadiene -1,1,3- trimethylsilyl nitrile 10g, which is added to, to be equipped with
Reflux condensing tube, electric mixer there-necked flask in, then into bottle be added carbon disulfide 150g, return stirring is anti-at 130 DEG C
It answers 5 hours, solvent is evaporated off in back spin, obtains modified polyisoprene.
The preparation method of the wear resistant packing, includes the following steps:
Step D1：Each raw material is mixed at normal temperatures and pressures, by rubber mixing machine mixing and molding after mixing, parks 2 days, obtains
Sizing material；
Step D2：The sizing material being prepared through step D1 rolls on two-roll calendar, and 120 DEG C of roller temperature；Again at 200 DEG C
Drawing and setting is carried out on stretching-machine；
Step D3：Tank type vulcanizing technique is taken, upper vulcanizer vulcanizing treatment, 180 DEG C of heat cure temperature, the time is at 15 points
Clock, pressure 15MPa.
Step D4：Packing is woven using braider.
Comparative example
The packing being prepared according to the production method of packing disclosed in Chinese invention patent CN 103319752B.
The performance of the preparation-obtained packing of above-described embodiment is tested, as a result as follows, each embodiment performance test
It is using pressure：Pump 3Mpa, round-trip axis 15Mpa, valve 25Mpa, linear velocity 2-25m/s.
Table 1
According to above-mentioned table 1 it is found that the packing that various embodiments of the present invention are prepared has more excellent wearability, thermal stability
With low croop property, meet high speed dynamic sealing materials'use requirement.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention.The present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of wear resistant packing, which is characterized in that be prepared by the raw material of following parts by weight：Surface-modified nano boron fibre/
10-15 parts of Mo-Zn-S-F composite material, 20-30 parts of polyvinyl chloride fibre, modified polyisoprene 30-40 parts, EP rubbers
10-20 parts, 1-5 parts of vulcanizing agent.
2. wear resistant packing according to claim 1, which is characterized in that the vulcanizing agent is selected from N, and penylene span comes between N'-
One or more of acid imide, 2,5- disulfide group -1,3,4- thiadiazoles, sulphur.
3. wear resistant packing according to claim 1, which is characterized in that the surface-modified nano boron fibre/Mo-Zn-S-F
The preparation method of composite material, includes the following steps：
Step S1：Molybdenum chloride, zinc chloride, ammonium sulfide, ammonium hexafluorophosphate are placed in water-bath kettle, reaction dissolvent is added,
Hydro-thermal reaction 15-20h at 180-220 DEG C, after be cooled to room temperature, filter, first washed 3-5 times with benzene, be washed with water and wash 4-7 times,
It uses ethanol washing 5-8 times afterwards, obtained product is 6-8 hours dry in 60-80 DEG C of vacuum oven, and 200-300 is crossed in grinding
Mesh mesh, obtains Mo-Zn-S-F；
Step S2：It disperses the Mo-Zn-S-F, the nanometer boron fibre that are prepared by step S1 in high boiling solvent, then
Poly- methyltriethoxysilane modified epoxy is added thereto, is stirred to react at 60-80 DEG C 6-8 hours, after in water
It settles out, filters, and with ethanol washing 3-5 times, obtain surface-modified nano boron fibre/Mo-Zn-S-F composite material.
4. wear resistant packing according to claim 3, which is characterized in that molybdenum chloride described in step S1, zinc chloride, vulcanization
Amine, ammonium hexafluorophosphate, reaction dissolvent mass ratio be 1:1:(2-3):0.5:(10-15).
5. wear resistant packing according to claim 3, which is characterized in that the reaction dissolvent is in ethylenediamine, diethylamine
At least one.
6. wear resistant packing according to claim 3, which is characterized in that Mo-Zn-S-F described in step S2, nanometer boron are fine
Dimension, high boiling solvent, poly- methyltriethoxysilane modified epoxy mass ratio be (3-5):(2-3):(10-15):1.
7. wear resistant packing according to claim 3, which is characterized in that the high boiling solvent is selected from dimethyl sulfoxide, N, N-
One or more of dimethylformamide, N-Methyl pyrrolidone.
8. wear resistant packing according to claim 1, which is characterized in that the preparation method of the modified polyisoprene, packet
Include following steps：Under nitrogen or atmosphere of inert gases, by anti-form-1 4- polyisoprene and 2- amino -4- (P- (dimethyl
Amino) phenyl) -1,3-butadiene -1,1,3- trimethylsilyl nitrile be added to equipped with reflux condensing tube, electric mixer there-necked flask in,
Organic solvent is added into bottle again, flows back and is stirred to react 4-5 hours at 120-130 DEG C, solvent is evaporated off in back spin, is modified
Polyisoprene.
9. wear resistant packing according to claim 8, which is characterized in that the anti-form-1 4- polyisoprene, 2- amino-
4- (P- (dimethylamino) phenyl) -1,3- butadiene -1,1,3- trimethylsilyl nitrile, organic solvent mass ratio be (4-6):1:(10-
15)；The inert gas is selected from one or more of helium, neon, argon gas；The organic solvent is selected from toluene, ether, two
One or more of nitric sulfid.
10. a kind of preparation method of any one of -9 wear resistant packings according to claim 1, which is characterized in that including walking as follows
Suddenly:
Step D1：Each raw material is mixed at normal temperatures and pressures, by rubber mixing machine mixing and molding after mixing, parks 1-2 days, obtains glue
Material；
Step D2：The sizing material being prepared through step D1 rolls on two-roll calendar, and 100-120 DEG C of roller temperature；Again in 180-200
Drawing and setting is carried out at DEG C on stretching-machine；
Step D3：Tank type vulcanizing technique is taken, upper vulcanizer vulcanizing treatment, 150-180 DEG C of heat cure temperature, the time is in 10-15
Minute, pressure 10-15MPa.
Step D4：Packing is woven using braider.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011142650.1A CN112210135A (en) | 2018-06-20 | 2018-06-20 | Preparation method of wear-resistant packing |
| CN202011141026.XA CN112080053A (en) | 2018-06-20 | 2018-06-20 | Surface-modified nano boron fiber Mo-Zn-S-F composite material and application thereof in wear-resistant packing |
| CN201810633066.2A CN108864517B (en) | 2018-06-20 | 2018-06-20 | Wear-resistant packing and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633066.2A CN108864517B (en) | 2018-06-20 | 2018-06-20 | Wear-resistant packing and preparation method thereof |
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| CN202011142650.1A Division CN112210135A (en) | 2018-06-20 | 2018-06-20 | Preparation method of wear-resistant packing |
| CN202011141026.XA Division CN112080053A (en) | 2018-06-20 | 2018-06-20 | Surface-modified nano boron fiber Mo-Zn-S-F composite material and application thereof in wear-resistant packing |
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| CN108864517A true CN108864517A (en) | 2018-11-23 |
| CN108864517B CN108864517B (en) | 2021-07-13 |
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| CN201810633066.2A Active CN108864517B (en) | 2018-06-20 | 2018-06-20 | Wear-resistant packing and preparation method thereof |
| CN202011141026.XA Withdrawn CN112080053A (en) | 2018-06-20 | 2018-06-20 | Surface-modified nano boron fiber Mo-Zn-S-F composite material and application thereof in wear-resistant packing |
| CN202011142650.1A Withdrawn CN112210135A (en) | 2018-06-20 | 2018-06-20 | Preparation method of wear-resistant packing |
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| CN202011142650.1A Withdrawn CN112210135A (en) | 2018-06-20 | 2018-06-20 | Preparation method of wear-resistant packing |
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Citations (5)
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|---|---|---|---|---|
| CN102201498A (en) * | 2011-05-18 | 2011-09-28 | 东华大学 | Method for preparing Cu2ZnSnS4 nanocrystalline thin-film solar cell |
| CN102678922A (en) * | 2012-05-31 | 2012-09-19 | 慈溪博格曼密封材料有限公司 | Fiber packing preparation method |
| CN104371224A (en) * | 2013-08-16 | 2015-02-25 | 张勇 | Packing production method |
| CN107339429A (en) * | 2017-05-19 | 2017-11-10 | 浙江帝恒实业有限公司 | A kind of wear resistant packing and preparation method thereof |
| CN108003622A (en) * | 2017-12-07 | 2018-05-08 | 齐齐哈尔市庆荣橡胶制品有限公司 | A kind of oil well dedicated elas-tic rubber packing and preparation method thereof |
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2018
- 2018-06-20 CN CN201810633066.2A patent/CN108864517B/en active Active
- 2018-06-20 CN CN202011141026.XA patent/CN112080053A/en not_active Withdrawn
- 2018-06-20 CN CN202011142650.1A patent/CN112210135A/en not_active Withdrawn
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| CN102201498A (en) * | 2011-05-18 | 2011-09-28 | 东华大学 | Method for preparing Cu2ZnSnS4 nanocrystalline thin-film solar cell |
| CN102678922A (en) * | 2012-05-31 | 2012-09-19 | 慈溪博格曼密封材料有限公司 | Fiber packing preparation method |
| CN104371224A (en) * | 2013-08-16 | 2015-02-25 | 张勇 | Packing production method |
| CN107339429A (en) * | 2017-05-19 | 2017-11-10 | 浙江帝恒实业有限公司 | A kind of wear resistant packing and preparation method thereof |
| CN108003622A (en) * | 2017-12-07 | 2018-05-08 | 齐齐哈尔市庆荣橡胶制品有限公司 | A kind of oil well dedicated elas-tic rubber packing and preparation method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112210135A (en) | 2021-01-12 |
| CN108864517B (en) | 2021-07-13 |
| CN112080053A (en) | 2020-12-15 |
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Effective date of registration: 20230920 Address after: 152000 Ha Da Qi Industrial Corridor, Anda City, Suihua City, Heilongjiang Province, west of Andong 1st Avenue and south of Andong 10th Road Patentee after: HEILONGJIANG RONGZE PETROLEUM EQUIPMENT CO.,LTD. Address before: 4-1-49, 4 / F, building C5, huangjinchuangye Park, Wangcheng economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: HUNAN CHENLI NEW MATERIAL Co.,Ltd. |