CN108484083A - A kind of preparation method and application of high-temperature agglomerant - Google Patents
A kind of preparation method and application of high-temperature agglomerant Download PDFInfo
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- CN108484083A CN108484083A CN201810362634.XA CN201810362634A CN108484083A CN 108484083 A CN108484083 A CN 108484083A CN 201810362634 A CN201810362634 A CN 201810362634A CN 108484083 A CN108484083 A CN 108484083A
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- China
- Prior art keywords
- graphite
- temperature agglomerant
- silica
- temperature
- waterglass
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Abstract
The invention discloses a kind of high-temperature agglomerant and its application process, the new type high temperature binder is made of waterglass, graphite, silica, copper oxide, aluminium oxide.Matrix is to inlay sliding bearing, and material is copper.High-temperature agglomerant is made of three parts, respectively adhesive, curing agent, lubricant, and wherein adhesive is waterglass, and curing agent is silica, copper oxide, and lubricant is aluminium oxide, graphite, and high-temperature agglomerant is matched by following component：Waterglass 10~20, graphite 20~30, silica 1~4, copper oxide are 1~3, aluminium oxide 6~10.Thus the embedded self-lubricating bearing that high-temperature agglomerant is constituted has excellent high temperature resistance, adhesive property and greasy property.It can be long-term extensively using in mechanical equipment.
Description
Technical field
The present invention relates to high-temperature agglomerant fields, especially a kind of to apply the high temperature in embedded bearing and metal bond viscous
Tie agent.
Background technology
Self-lubricating bearing is a kind of bearing without artificial addition lubricant, is widely used in industrial and agricultural production life.
Self-lubricating is generally made of axle sleeve and self-lubricating material.Material, axle sleeve is generally copper-based, iron-based, non-metal base etc. are made.From profit
Sliding material is generally kollag, and common solid lubricant is graphite, molybdenum disulfide, polytetrafluoroethylene (PTFE) etc., this patent
Using copper radical self-lubricating bearing, the characteristics such as copper radical self-lubricating bearing has surface smooth, and friction coefficient is low.Self-lubricating material
Using graphite and aluminium oxide, graphite is a kind of stratiform hexagonal crystallographic texture, and friction coefficient is 0.05~0.19, lubrication failure temperature
It is 540 DEG C.Therefore can the general use applied in high temperature self-lubricating bearing, for aluminium oxide when temperature is less than 250 DEG C, aluminium oxide is simultaneously
Without good greasy property.But when temperature is more than 250 DEG C, its greasy property than molybdenum disulfide also than get well, temperature is 650
DEG C or so, it remains to keep good greasy property, and along with this high-temperature resistance adhesive of waterglass makes self-lubricating bearing
With excellent high temperature resistance, high-mechanic and greasy property.
Invention content
The object of the present invention is to provide a kind of high-temperature agglomerants and preparation method thereof；
The object of the present invention is to provide a kind of application of high-temperature agglomerant in embedded bearing and metal bond.
Technical scheme of the present invention
A kind of high-temperature agglomerant, wherein：High-temperature agglomerant includes waterglass, graphite, silica, copper oxide, each raw material component
By weight calculating, i.e. waterglass:Graphite:Silica:Copper oxide is 10~20:20~30:1~4:1~3.
Further each raw material component is by weight calculating, as waterglass：Graphite：Silica：Copper oxide 10：28：
2：2.
A kind of high-temperature agglomerant further includes aluminium oxide, and each raw material component is by weight calculating, i.e. waterglass:Graphite:Dioxy
SiClx:Copper oxide：Aluminium oxide is 10~20:20~30:1~4:1~3:7~10.
Further each raw material component is by weight calculating, i.e. waterglass:Graphite:Silica:Copper oxide:Aluminium oxide：
15:25:1.5:1.5:7。
The further waterglass chemical expression is NaOmSiO2·nH2O, modulus 2.3, Baume degrees 25.
A kind of application of high-temperature agglomerant in embedded bearing and metal bond.
A kind of application process of high-temperature agglomerant in embedded bearing and metal bond, its step are as follows：By high temperature bond
Agent is uniformly mixed on the shear surface coated in binder test specimen or in inlay shaft bearing bore, then binder test specimen or embedded bearing
It is put into drying box and is cured, solidification is completed to be that bonding process terminates, and solidification temperature is 100 DEG C~120 DEG C, and hardening time is
At least 30 minutes.The drying box is vacuum drying chamber.
Beneficial effects of the present invention：
The present invention uses waterglass, copper oxide, silica-bonded graphite and aluminium oxide, has higher bonding in normal temperature condition
Intensity, when temperature is at 200~500 DEG C, waterglass plays the effect of high bond strength at high temperature, so that this hair
A kind of bright high-temperature agglomerant at relatively high temperatures possess excellent adhesion strength, the present invention is graphite and oxygen using lubricant
Change aluminium, wide in range using temperature, friction coefficient is low, even under high temperature heavy load operating mode, this lubricant also has excellent lubrication
Effect.
Specific implementation mode
The present invention is socketed the adhesion strength that compression shear strength investigates adhesive by measurement, inorganic by GB/T11177-89
Adhesive socket compression shear strength test method regulation is measured.
The model YHS-229WJ-10T electronic tension testers of instrument used in shear strength test, Shanghai benefit ring instrument
Science and Technology Ltd..
Binder Specimen Shape used in the embodiment of the present invention is that cylindrical and cylindrical shape, specification are respectively 12 millimeters of *
10 millimeters and 12.4 millimeter * 10
Application of the above-mentioned novel fire resistant binder in embedded bearing and metal bond, specifically used method are as follows：
Waterglass and curing agent copper oxide and silica and graphite and aluminium oxide are uniformly mixed in beaker, are then coated in
It in the shear surface or inlay shaft bearing bore of binder test specimen, places into 100 DEG C~120 DEG C of vacuum drying chamber, solidification at least 30
Shear strength is tested after minute.Binder is the carrier of lubricant lubrication, and bearing use when can form one layer of lubricating film,
Greasy property is fine.
The graphite is the graphite powder that grain size is less than 200 mesh, and the silica grain size is 200 mesh, Tianjin light
Multiple Fine Chemical Co., Ltd, analysis are pure；The copper oxide（Powdery）Grain size is 200 mesh, and it is limited that development in science and technology is recovered in Tianjin
Company, analysis are pure；The alumina particle is 300 mesh, and Fine Chemical Co., Ltd is recovered in Tianjin, and analysis is pure.
Infrastest：Waterglass：Graphite：Silica 10：28：4 ratios are uniformly mixed, and are coated in binder test specimen
On, it puts in 100 DEG C of vacuum drying chamber, socket compression shear strength is 5.34Mpa after solidification 30 minutes.
Embodiment 1：Waterglass：Graphite：Silica：Copper oxide 10：20：1：1；Ratio is uniformly mixed, coated in viscous
It ties on agent test specimen, puts in 100 DEG C of vacuum drying chamber, socket compression shear strength is 10.56Mpa after solidification 30 minutes.
Embodiment 2：Waterglass：Graphite：Silica：Copper oxide 15：25：2：1.5 ratios are uniformly mixed, coated in viscous
It ties on agent test specimen, puts in 100 DEG C of vacuum drying chamber, socket compression shear strength is 11.14Mpa after solidification 30 minutes.
Embodiment 3：Waterglass：Graphite：Silica：Copper oxide 20：30：4：3 ratios are uniformly mixed, coated in bonding
It on agent test specimen, puts in 100 DEG C of vacuum drying chamber, socket compression shear strength is 12.93Mpa after solidification 30 minutes.
Embodiment 4：Waterglass:Graphite:Silica:Copper oxide:Aluminium oxide：By 10:20:1:1:The mixing of 6 ratios is equal
It is even, it coated on binder test specimen, puts in 100 DEG C of vacuum drying chamber, socket compression shear strength is after solidification 30 minutes
8.37Mpa。
Embodiment 5：Waterglass:Graphite:Silica:Copper oxide:Aluminium oxide：By 15:25:2:1.5:8 ratios mix
Uniformly, it is coated on binder test specimen, puts in 100 DEG C of vacuum drying chamber, socket compression shear strength is after solidification 30 minutes
9.48Mpa。
Embodiment 6：Waterglass:Graphite:Silica:Copper oxide:Aluminium oxide：By 20:30:4:3:The mixing of 10 ratios is equal
It is even, it coated on binder test specimen, puts in 100 DEG C of vacuum drying chamber, socket compression shear strength is after solidification 30 minutes
9.26Mpa。
Embodiment 7：Waterglass：Graphite：Silica：Copper oxide 10：28：2：2；Ratio is uniformly mixed, coated in viscous
It ties on agent test specimen, puts in 100 DEG C of vacuum drying chamber, socket compression shear strength is 5.46Mpa after solidification 30 minutes.
By comparative example 1-6, it is found that the shear strength of example 7 is relatively low, but this intensity has met embedded bearing pair
The requirement of intensity, and graphite content content is than high in other examples in embodiment 7, and therefore the compactness of example 7 is more preferable, profit
Sliding effect is more excellent.
Embodiment 8：Waterglass:Graphite:Silica:Copper oxide:Aluminium oxide：By 15:25:1.5:1.5:7 ratios are mixed
It closes uniformly, coated on binder test specimen, puts in 100 DEG C of vacuum drying chamber, solidification is socketed compression shear strength after 30 minutes
For 9.59Mpa.
By comparative example 1-6, it is found that the shear strength of embodiment 8 is relatively low, but this intensity has met embedded bearing
Requirement to intensity, and graphite content content is than high in other examples in embodiment 8, and therefore the compactness of example 8 is more preferable,
It is optimal in terms of high temperature resistant and lubricant effect due to the addition of aluminium oxide.
The solidification temperature of high-temperature agglomerant in the present invention is 100~120 DEG C, with the raising of temperature, solidification rate
To accelerate, corresponding hardening time can also shorten, and the hardening time of this binder is 30 minutes or more, after lengthening hardening time,
The intensity of binder will increase, and up to after its ultimate strength, remain unchanged.
Greasy property is tested：The present invention investigates the greasy property of embedded bearing using friction coefficient testing method is measured,
Instrument MG-2000 type high temperature friction and wear testing machines, specific implementation method are as follows：
Waterglass and silica and copper oxide curing agent are prepared in proportion first, kollag graphite, oxidation is added
Aluminium stirs evenly, and coated on test specimen ring, is finally putting into drying box and is cured, finally obtain coating specimens ring.Next
Coating specimens ring is put into fretting wear machine and is tested, wherein the rotating speed of main shaft is 155r/min, is to time consuming
60min, load 500N, temperature are 300 DEG C, and specific implementation case is as follows：
Implement 9：Coating specimens press waterglass:Graphite:Silica:Copper oxide:Aluminium oxide is 15:25:1.5:1.5:7 prepare,
Friction coefficient is 0.151.
Implement 10：Coating specimens press waterglass:Graphite:Silica:Copper oxide is 15:32:1.5:1.5 prepare, friction
Coefficient is 0.186.
In summary Examples 1 to 3, by waterglass, graphite, silica, copper oxide, the new type high temperature bonding constituted
Agent is socketed compression shear strength up to 10.56MPa or more at high operating temperatures, and embodiment 4~6 is by waterglass, graphite, titanium dioxide
Silicon, copper oxide, aluminium oxide, composition new type high temperature binder shear strength, can be with up to 8.37MPa or more at high operating temperatures
Meet embedded bearing to require shear strength, in summary implementation 9~10, compounded lubricant graphite, aluminium oxide exist in the present invention
There is excellent greasy property in lubrication bearing, especially after adding alumina lubricant, friction coefficient is reduced, and
Apply also for 250 DEG C of hot environment.
Claims (9)
1. a kind of high-temperature agglomerant, it is characterised in that：High-temperature agglomerant includes waterglass, graphite, silica, copper oxide, respectively
Raw material components are by weight calculating, i.e. waterglass:Graphite:Silica:Copper oxide is 10~20:20~30:1~4:1~3.
2. a kind of high-temperature agglomerant as described in claim 1, it is characterised in that each raw material component is by weight calculating, as water
Glass：Graphite：Silica：Copper oxide 10：28：2：2.
3. a kind of high-temperature agglomerant as described in claim 1, which is characterized in that further include aluminium oxide, each raw material component is by weight
Amount is than calculating, i.e. waterglass:Graphite:Silica:Copper oxide：Aluminium oxide is 10~20:20~30:1~4:1~3:6~10.
4. a kind of high-temperature agglomerant as claimed in claim 3, it is characterised in that each raw material component is by weight calculating, i.e. water glass
Glass:Graphite:Silica:Copper oxide:Aluminium oxide：15:25:1.5:1.5:7.
5. a kind of high-temperature agglomerant as described in one of claim 1-4 any claims, it is characterised in that：The water glass
Glass chemical expression is NaOmSiO2·nH2O, modulus 2.3, Baume degrees 25.
6. a kind of high-temperature agglomerant as described in one of claim 1-4 any claims is in embedded bearing and metal bond
Application.
7. a kind of application process of the high-temperature agglomerant as claimed in claim 6 in embedded bearing and metal bond, feature
It is, steps are as follows：High-temperature agglomerant is uniformly mixed on the shear surface coated in binder test specimen or in inlay shaft bearing bore, so
Binder test specimen or embedded bearing are put into drying box afterwards and cured, solidification is completed to be that bonding process terminates.
8. a kind of high-temperature agglomerant as claimed in claim 7, which is characterized in that solidification temperature is 100 DEG C~120 DEG C, solidification
Time is at least 30 minutes.
9. a kind of high-temperature agglomerant as claimed in claim 7, which is characterized in that the drying box is vacuum drying chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810362634.XA CN108484083A (en) | 2018-04-20 | 2018-04-20 | A kind of preparation method and application of high-temperature agglomerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810362634.XA CN108484083A (en) | 2018-04-20 | 2018-04-20 | A kind of preparation method and application of high-temperature agglomerant |
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| CN108484083A true CN108484083A (en) | 2018-09-04 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1450153A (en) * | 2003-04-21 | 2003-10-22 | 上海高分子材料研究开发中心 | Aqueous epoxy adhering dried fim lubricant |
| US20030204007A1 (en) * | 2001-02-08 | 2003-10-30 | 3M Innovative Properties Company | Coated abrasive articles containing graphite |
| CN102417806A (en) * | 2011-09-26 | 2012-04-18 | 上海应用技术学院 | High-temperature binder, its preparation method and application |
| CN106882950A (en) * | 2015-12-16 | 2017-06-23 | 辽宁法库陶瓷工程技术研究中心 | A kind of Ludox enhancing high temperature resistant Phosphate adhesive and preparation method thereof |
-
2018
- 2018-04-20 CN CN201810362634.XA patent/CN108484083A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030204007A1 (en) * | 2001-02-08 | 2003-10-30 | 3M Innovative Properties Company | Coated abrasive articles containing graphite |
| CN1450153A (en) * | 2003-04-21 | 2003-10-22 | 上海高分子材料研究开发中心 | Aqueous epoxy adhering dried fim lubricant |
| CN102417806A (en) * | 2011-09-26 | 2012-04-18 | 上海应用技术学院 | High-temperature binder, its preparation method and application |
| CN106882950A (en) * | 2015-12-16 | 2017-06-23 | 辽宁法库陶瓷工程技术研究中心 | A kind of Ludox enhancing high temperature resistant Phosphate adhesive and preparation method thereof |
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