CN108795382A - A kind of nanoparticle surface modified antimony trisulfide and its preparation method and application - Google Patents
A kind of nanoparticle surface modified antimony trisulfide and its preparation method and application Download PDFInfo
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- CN108795382A CN108795382A CN201810480864.6A CN201810480864A CN108795382A CN 108795382 A CN108795382 A CN 108795382A CN 201810480864 A CN201810480864 A CN 201810480864A CN 108795382 A CN108795382 A CN 108795382A
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- antimony trisulfide
- preparation
- friction material
- surface modified
- nanoparticle surface
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- 239000002105 nanoparticle Substances 0.000 title claims abstract description 55
- NVWBARWTDVQPJD-UHFFFAOYSA-N antimony(3+);trisulfide Chemical class [S-2].[S-2].[S-2].[Sb+3].[Sb+3] NVWBARWTDVQPJD-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000002783 friction material Substances 0.000 claims abstract description 41
- 229940007424 antimony trisulfide Drugs 0.000 claims abstract description 14
- 239000004094 surface-active agent Substances 0.000 claims abstract description 14
- 239000000725 suspension Substances 0.000 claims abstract description 10
- 238000013019 agitation Methods 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000008367 deionised water Substances 0.000 claims abstract description 3
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 235000013024 sodium fluoride Nutrition 0.000 claims description 9
- 241000357293 Leptobrama muelleri Species 0.000 claims description 8
- 239000011775 sodium fluoride Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 8
- 230000000704 physical effect Effects 0.000 abstract description 5
- 239000002114 nanocomposite Substances 0.000 abstract description 2
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1436—Composite particles, e.g. coated particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/02—Composition of linings ; Methods of manufacturing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Composite Materials (AREA)
- Nanotechnology (AREA)
- General Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Braking Arrangements (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to field of nanocomposite materials, and in particular to a kind of nanoparticle surface modified antimony trisulfide and its preparation method and application.The preparation method includes：1) surfactant is added in deionized water, nano-particle fully, which is added, after dissolving carries out mechanical agitation, obtains by surfactant modified nanoparticle suspension；2) antimony trisulfide is added in nanoparticle suspension obtained by step (1), after being sufficiently stirred, nanoparticle surface modified antimony trisulfide is obtained after drying, crushing.Nanoparticle surface modified antimony trisulfide of the present invention, which is applied to friction material, has good antifading, wear resistance, friction material braking moment at high operating temperatures can effectively be enhanced, greatly improve the high-temperature physical property and frictional behaviour of friction material, effectively reduce the wear rate of friction material, to expand the applicability of friction material, such as mountain area road conditions can be suitable for, braked frequently, the environment of high-speed overload vehicle applying working condition inclement condition.
Description
Technical field
The invention belongs to field of nanocomposite materials, and in particular to a kind of nanoparticle surface modified antimony trisulfide and its preparation
Methods and applications.
Background technology
The standard GB/T 7258-2017 of the compulsory execution from 1 day January in 2018《Motor vehicle safe and technical specification》
(gross mass is not more than the extension of 750kg for middle 7.2.6 automobiles (except three-wheeled motor car), motorcycle (except motor cycle combination), trailer
Except vehicle) all wheels should equip brake.Wherein, front-wheel and the vehicle commander of all special school buses and Dangerous Goods Transport lorry
The institute of the front-wheel and Dangerous Goods Transport semitrailer of other cars more than 9m, the breast board formula and storehouse grating semitrailer of three axis
There is wheel, disk brake should be equipped.Such automobile only logistics class heavy truck domestic ownership in 2017 is about 3,860,000 according to statistics
, domestic ownership in 2018 is about 4,050,000,2018 annual outputs are about 200,000.It is brought to air-pressure disc brake huge
Big business opportunity, at the same it is also more harsh to the physical friction performance specification of this kind of air-pressure disc brake liner, to friction
Material technology brings stern challenge.New-energy automobile, its own battery system weight generally reach 3 tons to 10 tons, greatly
Ground increases complete vehicle weight；The higher pay load of logistics class heavy truck so that the brake load of braking system also significantly increases.
The more other vehicles of transient temperature rise brought due to own wt for braking system are high.Therefore, for this kind of vehicle, braking system
Friction material unite there are serious military service Problem of Failure is caused under high heat load environment, considerably reduces the peace of new-energy automobile
Full property and reliability, increase maintenance and repair cost.
Invention content
The present invention is in view of the deficiencies of the prior art, and it is an object of the present invention to provide a kind of nanoparticle surface modified antimony trisulfide and its system
Preparation Method and application.
For achieving the above object, the technical solution adopted in the present invention is：
A kind of preparation method of nanoparticle surface modified antimony trisulfide, includes the following steps：
(1) surfactant is added in deionized water, nano-particle fully, which is added, after dissolving carries out mechanical agitation, obtains
By surfactant modified nanoparticle suspension；
(2) antimony trisulfide is added in nanoparticle suspension obtained by step (1), after being sufficiently stirred, by drying, is crushed
Nanoparticle surface modified antimony trisulfide is obtained afterwards.
In said program, the surfactant is Silane coupling agent KH550.
In said program, the nano-particle is the mixture of silica, calcium carbonate and sodium fluoride.
In said program, the mass ratio of the silica, calcium carbonate and sodium fluoride is 1:2:1~1.5:2:1.5.
In said program, the grain size of the silica is 20nm~100nm, the grain size of the calcium carbonate be 50nm~
The grain size of 100nm, the sodium fluoride are 50nm~100nm.
In said program, the mass ratio of the nano-particle, surfactant and antimony trisulfide is 4:1:95~5:1:94.
In said program, the granularity of the antimony trisulfide is the mesh of 250 mesh~325.
Above-mentioned preparation method prepares the nanoparticle surface modified antimony trisulfide of gained.
Application of the above-mentioned nanoparticle surface modified antimony trisulfide in friction material, the specific method of the application are：
By nanoparticle surface modified antimony trisulfide by mass percentage 5~8% ratio be added in friction material composition of raw materials, pass through
Batch mixing, steel back processing, compacting, solidification, grinding, plastic-spraying and marking, obtain friction material product.
In the present invention, antimony trisulfide fully increases the surface-active and energy of attachment of antimony trisulfide by the surface modification of nano-particle
Power effectively improves physical property of the antimony trisulfide under the friction material gridding crystallized ability wiping material braking condition of high temperature and is cut as interior
Shearing stress, high temperature (600 DEG C) compression strength and friction function material peeling force；Nanoparticle surface modified vulcanization of the present invention
Application of the antimony in friction material, generation braking moment is small when can effectively solve friction material high-temperature brake, fail restorability
The defects of difference, wear rate are excessively high, friction surface tissue generates chip off-falling or surface porosity due to high-temperature resin is decomposed and destroyed；Antimony trisulfide
Heat is absorbed in brake area high temperature atmosphere, friction material is formed and coheres for the second time, is made up because high-temperature resin decomposes friction material
Material physical property decline and generate abrasion is excessively high, friction surface disorganization and the defects of generate chip off-falling or surface porosity, rub
The antifading that wiping material coheres rear friction material for the second time greatly improves, and abrasion condition also obtains larger improvement, to
Friction coefficient is also more stable at high operating temperatures；Nano-particle silica, calcium carbonate can effectively stablize friction material simultaneously
Friction coefficient at high operating temperatures, to improve the high-temperature brake torque in friction material；Sodium fluoride and friction material
Lubriation material forms synergistic effect, effectively reduces the wear rate of friction material；Antimony trisulfide passes through the table of nano-particle simultaneously
The macromolecular chain of gridding is formed after the modification of face with phenolic resin in friction material, the micro-pore of storeroom improves friction material
Expect the porosity, reduces the hardness of its product, be effectively reduced brake noise frequency.
Beneficial effects of the present invention：
1) nanoparticle surface modified antimony trisulfide of the present invention be applied to friction material have good antifading,
Wear resistance can effectively enhance friction material braking moment at high operating temperatures, greatly improve the high-temperature physics of friction material
Performance and frictional behaviour effectively reduce the wear rate of friction material, to expand the applicability of friction material, can be suitable for such as
The environment of the applying working conditions inclement conditions such as mountain area road conditions, frequent, the high-speed overload vehicle of braking；
2) nanoparticle surface modified antimony trisulfide applicability of the present invention is good, can be suitable for High Speed of Rolling Stock, high load
The friction material of lotusization, energy environment protection, especially load truck, motorbus and new energy public transit vehicle meets national mark
Quasi- GB7258-2017《Motor vehicle safe and technical specification》；
3) preparation method of nanoparticle surface modified antimony trisulfide of the present invention is simple, of low cost, the nanoparticle
Sub- surface modification antimony trisulfide is applied to friction material, and friction material has hardness is moderate, braking is comfortable reliably, brake noise is low etc.
Advantage, it is excellent through mating manufacturer's performance, it is horizontal to reach import friction material equivalent technology.
Specific implementation mode
For a better understanding of the present invention, with reference to the embodiment content that the present invention is furture elucidated, but the present invention
Content is not limited solely to the following examples.
Embodiment 1
A kind of nanoparticle surface modified antimony trisulfide, is prepared via a method which to obtain：
(1) 1 part of surfactant Silane coupling agent KH550 is added in 200 parts of deionized waters, rotating speed 1000rmp, machine
Tool be mixed 5 minutes, fully dissolving after be added 4 parts of nano-particles, nano-particle be 20nm silica, 50nm calcium carbonate,
50nm sodium fluorides in mass ratio 1：2：1 mixing gained mixture, mechanical agitation 25 minutes are obtained by surfactant modified
Nanoparticle suspension；
(2) 95 parts, 325 mesh antimony trisulfides are added in nanoparticle suspension obtained by step (1), after stirring 30min, warp
100 DEG C of drying 4h are crossed, crushes and obtains nanoparticle surface modified antimony trisulfide after being sieved by 200 mesh.
The present embodiment is prepared the nanoparticle surface modified antimony trisulfide of gained to be applied in friction material, specific application side
Method is：1) batch mixing：Nanoparticle surface modified antimony trisulfide in mass ratio 5%, 8% ratio are added to friction material raw material
In formula, carries out physics and uniformly mix；2) steel back is handled：Steel back is subjected to cleaning and degreasing, ball blast surface treatment, glue spraying stick；
3) it suppresses：It is to be pressed into certain density in 155 ± 5 DEG C of molds that steel back and mixture, which are put into temperature,；4) cure：It is through excess temperature
140 DEG C, 180 DEG C, 200 DEG C of each heat treatments in 3 hours；5) it is ground：Become certain thickness through grinding；6) plastic-spraying：It is sprayed on surface
The processing of molding powder paint；7) marking：Batch code is printed, friction material product is both obtained.
Embodiment 2
A kind of nanoparticle surface modified antimony trisulfide, is prepared via a method which to obtain：
(1) 1 part of surfactant Silane coupling agent KH550 is added in 200 parts of deionized waters, rotating speed 1000rmp, machine
Tool be mixed 5 minutes, fully dissolving after be added 4 parts of nano-particles, nano-particle be 20nm silica, 50nm calcium carbonate,
50nm sodium fluorides in mass ratio 1.5：2：1.5 mixing gained mixtures, mechanical agitation 25 minutes obtain repairing by surfactant
The nanoparticle suspension of decorations；
(2) 95 parts, 325 mesh antimony trisulfides are added in nanoparticle suspension obtained by step (1), after stirring 30min, warp
100 DEG C of drying 4h are crossed, crushes and obtains nanoparticle surface modified antimony trisulfide after being sieved by 200 mesh.
The present embodiment is prepared the nanoparticle surface modified antimony trisulfide of gained to be applied in friction material, specific application side
Method is：1) batch mixing：Nanoparticle surface modified antimony trisulfide in mass ratio 5%, 8% ratio are added to friction material raw material
In formula, carries out physics and uniformly mix；2) steel back is handled：Steel back is subjected to cleaning and degreasing, ball blast surface treatment, glue spraying stick；
3) it suppresses：It is to be pressed into certain density in 155 ± 5 DEG C of molds that steel back and mixture, which are put into temperature,；4) cure：It is through excess temperature
140 DEG C, 180 DEG C, 200 DEG C of each heat treatments in 3 hours；5) it is ground：Become certain thickness through grinding；6) plastic-spraying：It is sprayed on surface
The processing of molding powder paint；7) marking：Batch code is printed, friction material product is both obtained.
Prepared by gained friction material product to the embodiment of the present invention and carries out physical property and frictional behaviour test, test result
See Tables 1 and 2, as can be seen from Table 1 and Table 2, is added to the present invention and prepares rubbing for the nanoparticle surface modified antimony trisulfide of gained
Material product is wiped, for example interior shear strength of physical property, high temperature (600 DEG C) compression strength greatly improve, and have good anti-
Fail performance, wear resistance, and friction coefficient is more stable at high operating temperatures, and wear rate significantly reduces, and substantially increases and rubs
Performance is wiped, is suitable for such as mountain area road conditions, brakes frequently, the environment of high-speed overload vehicle applying working condition inclement condition.
1 quantitative measurement result of table
2 frictional behaviour test result of table
Obviously, above-described embodiment be only intended to clearly illustrate made by example, and not limitation to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation or change therefore amplified
It moves within still in the protection domain of the invention.
Claims (10)
1. a kind of preparation method of nanoparticle surface modified antimony trisulfide, which is characterized in that include the following steps：
（1）By surfactant be added deionized water in, fully dissolving after be added nano-particle carry out mechanical agitation, obtain by
Surfactant modified nanoparticle suspension；
（2）Antimony trisulfide is added to step（1）In gained nanoparticle suspension, after being sufficiently stirred, after drying, crushing
To nanoparticle surface modified antimony trisulfide.
2. preparation method according to claim 1, which is characterized in that the surfactant is Silane coupling agent KH550.
3. preparation method according to claim 1, which is characterized in that the nano-particle be silica, calcium carbonate and
The mixture of sodium fluoride.
4. preparation method according to claim 3, which is characterized in that the silica, calcium carbonate and sodium fluoride matter
Amount is than being 1:2:1~1.5:2:1.5.
5. preparation method according to claim 3, which is characterized in that the grain size of the silica is 20nm ~ 100nm,
The grain size of the calcium carbonate is 50nm ~ 100nm, and the grain size of the sodium fluoride is 50nm ~ 100nm.
6. preparation method according to claim 1, which is characterized in that the nano-particle, surfactant and antimony trisulfide
Mass ratio be 4:1:95~5:1:94.
7. preparation method according to claim 1, which is characterized in that the granularity of the antimony trisulfide is the mesh of 250 mesh ~ 325.
8. any preparation method of claim 1 ~ 7 prepares the nanoparticle surface modified antimony trisulfide of gained.
9. application of the nanoparticle surface modified antimony trisulfide in friction material described in claim 8.
10. application according to claim 9, which is characterized in that the specific method of the application is：By nanoparticle surface
The antimony trisulfide of modification by mass percentage 5 ~ 8% ratio be added in friction material composition of raw materials, through batch mixing, steel back processing, pressure
System, solidification, grinding, plastic-spraying and marking, obtain friction material product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480864.6A CN108795382A (en) | 2018-05-18 | 2018-05-18 | A kind of nanoparticle surface modified antimony trisulfide and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810480864.6A CN108795382A (en) | 2018-05-18 | 2018-05-18 | A kind of nanoparticle surface modified antimony trisulfide and its preparation method and application |
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Application publication date: 20181113 |