CN102417806B - High-temperature binder, preparation method and application thereof - Google Patents
High-temperature binder, preparation method and application thereof Download PDFInfo
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- CN102417806B CN102417806B CN 201110287295 CN201110287295A CN102417806B CN 102417806 B CN102417806 B CN 102417806B CN 201110287295 CN201110287295 CN 201110287295 CN 201110287295 A CN201110287295 A CN 201110287295A CN 102417806 B CN102417806 B CN 102417806B
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Abstract
The invention discloses a novel high-temperature binder and its application in bearing embedding and metal bonding. Raw materials of the novel high-temperature binder contain an epoxy resin 618, a curing agent TH-160, water glass and graphite with the weight ratio of the epoxy resin 618 to the curing agent TH-160 to water glass to graphite being 5:1:2-4:0-8. A method for applying the binder in bearing embedding and metal bonding comprises the following steps of: uniformly mixing the epoxy resin 618, the curing agent TH-160, water glass and graphite to obtain the high-temperature binder, coating the binder onto shear planes of two test pieces to be bound, bonding the shear planes of the two test pieces to be bound, and baking at the temperature of 150-180 DEG C for 30 minutes so as to finish the bonding process. The novel high-temperature binder provided by the invention has high bonding strength at high temperature.
Description
Technical field
The present invention relates to a kind of high-temperature agglomerant and preparation method thereof and in inlay self-lubricating composite bearing, use.
Background technology
Mosaic self-lubricating composite material is a kind of novel anti-extreme pressure solid lubricant, the occasion of general occasion, particularly high temperature for adopting liquid lubricant.It is made of metal substrate and the hole that embeds ground or the solid lubricant in the groove.Metal substrate has been born most loads in friction process.Through friction, the solid lubricant in hole or the groove shifts or counter-rotating moves to surface of friction, forms the solid transfer film of lubricated good, firm attachment and uniform fold at surface of friction, decrease frictional wear.With the carrying out of friction, the solid lubricant of embedding constantly is provided in surface of friction, when having guaranteed long-time running to the good lubrication of friction pair.Because its good self-lubricating property can solve the technical problem that other lubricant is difficult to lubricate under special operation condition, is subject to people's attention.Some industrial states have formed the batch production of considerable scale at present.But along with developing rapidly of industry and science and technology, requirements at the higher level have been proposed for the technical feature of inlaid material.People have carried out many-sided experimental exploration to suitability, inlay and the metal substrate of the composition of the solid lubricant that embeds, dissimilar metal substrate and inlaid material are bonding in recent years, the technical feature of binding agent when high temperature particularly determining the working temperature of inlaid material.
At present, inlay self-lubricating composite bearing in metallurgy and the use of hot-work industry is one of important events that belong to the mosaic self-lubricating composite material use, these occasion major parts belong to the occasion of hot environment, the general work temperature is more than 120 ℃, bonding Resins, epoxy or the modified epoxy of mostly adopting of metal substrate and inlaid material, and these resin bond intensity are high, force of cohesion is large, curing speed is fast, but thermotolerance is relatively poor, is difficult to bear for a long time working temperature greater than 150 ℃ occasion.
Summary of the invention
One of the object of the invention is that a kind of new type high temperature binding agent is provided in order to solve the problems of the technologies described above.
Two of purpose of the present invention provides the above-mentioned application of a kind of new type high temperature binding agent in embedded bearing and metal bonding.
The class scope that mineral binder bond is comprised of inorganic salt, mineral acid, inorganic base metal and metal oxide, oxyhydroxide etc. is binding agent quite widely, and its kind mainly contains phosphoric acid salt, silicate, pottery, low melting point metal.The outstanding advantages of mineral binder bond is that resistance to elevated temperatures is very excellent, can long term operation under 500 ~ 1000 ℃ of temperature, and instantaneous working temperature reaches 2900 ℃, and in addition, its oil-proofness is good, and raw material is easy to get, and is cheap, easy to use, economic environmental protection.Its shortcoming is resistance to acids and bases and poor water resistance, and fragility is larger, and is not shock-resistant, and the cohesive strength that flushes is lower, and ageing-resistant not ideal enough.
Technical scheme of the present invention
A kind of new type high temperature binding agent is comprised of Resins, epoxy 618, solidifying agent TH-160, water glass, graphite, and each feed composition is by weight calculating, and namely Resins, epoxy 618: solidifying agent TH-160: water glass: graphite is 5: 1: 2 ~ 4: 0 ~ 8; Be preferably 5: 1: 2 ~ 4: 6 ~ 8;
Described Resins, epoxy 618 belongs to bisphenol A type epoxy resin, and its viscosity＜2.5Pa.s, oxirane value are the equivalents that 0.48 ~ 0.54eq/100g(eq/100g refers to the epoxy group(ing) that per 100 grams contain in the Resins, epoxy), organochlorine≤0.02mol/100g, inorganic chlorine≤0.001mol/100g, volatile matter≤2%;
Described solidifying agent TH-160 is tetraethylene pentamine;
Described water glass, chemical expression are NaOmSiO
2NH
2O, (modulus is SiO to modulus
2With Na
2The mol ratio of O) be 2.3, degree Beaume is 52;
Described graphite is that particle diameter is less than 200 purpose Graphite Powder 99s.
Each component is preserved separately in above-mentioned a kind of new type high temperature binding agent raw material, can use after in container each component being mixed during use.
The above-mentioned application of a kind of new type high temperature binding agent in embedded bearing and metal bonding, its using method is as follows:
High-temperature agglomerant after mixing is coated on the shear surface of two test pieces to be bonded, the shear surface of two test pieces to be bonded is carried out bonding, again through 150 ~ 180 ℃ of temperature, after the baking of 30 minutes time, the bonding process is finished;
Described two test pieces to be bonded are embedded bearing or two metal sheets.
Technique effect of the present invention
A kind of new type high temperature binding agent of the present invention, owing to adopted high-temperature agglomerant modifying water glass Resins, epoxy 618, therefore, bring into play at ambient temperature the effect of Resins, epoxy high bond strength, under 150～300 ℃ of high temperature, the high effect of performance water glass cohesive strength, thus so that a kind of new type high temperature binding agent of the present invention has the high characteristics of cohesive strength under comparatively high temps.
Embodiment
Below by embodiment the present invention is further set forth, but do not limit the present invention.
The used Resins, epoxy 618 of the embodiment of the invention belongs to bisphenol A type epoxy resin, and Shanghai Resin Factory produces, and specification sees Table 1.
The trade mark of table 1, Resins, epoxy 618 and specification
Used solidifying agent TH-160 is tetraethylene pentamine; Shanghai Resin Factory produces.
Used water glass, chemical expression are NaOmSiO
2NH
2O, (modulus is SiO to modulus
2With Na
2The mol ratio of O) be 2.3, degree Beaume is 52, and precious chemical plant, Shen, Shanghai produces
Used graphite be particle diameter less than 200 purpose Graphite Powder 99s, carbon materials factory in Shanghai produces.
Method for testing shear strength is measured by GB/T 7124-2008 regulation.
The model Zwick100kN universal testing machine of the instrument that shearing resistance test is used, German Zwick/Roell company.
Two used in embodiment of the invention test pieces to be bonded are the metal aluminium flake, and specification is 25 millimeters of 100 millimeters *.
Embodiment 1
A kind of new type high temperature binding agent is comprised of Resins, epoxy 618, solidifying agent TH-160, water glass, and each feed composition is by weight calculating, and namely Resins, epoxy 618: solidifying agent TH-160: water glass is 5: 1: 2.
The above-mentioned application of a kind of new type high temperature binding agent in embedded bearing and metal bonding, its using method is as follows:
Resins, epoxy 618: solidifying agent TH-160: after water glass mixed in container by weight 5: 1: 2, be coated in the shear surface of two test pieces to be bonded, carry out the shear surface of two test pieces to be bonded bonding, through 150 ℃ of temperature, after the baking of 30 minutes time, testing its shearing resistance is 18.01MPa.
The comparative example 1
Resins, epoxy 618: solidifying agent TH-160 mixed by weight 5: 1, was coated in the shear surface of two test pieces to be bonded, and through 150 ℃ of temperature, after the baking of 30 minutes time, testing its shearing resistance is 13.23MPa.
Can find out the prescription of a kind of new type high temperature binding agent of the present invention owing to added water glass to Resins, epoxy 618 modifications from embodiment 1 and comparative example 1, thereby shearing resistance improves 36%, and therefore the cohesive strength of a kind of new type high temperature binding agent of the present invention is high.
Embodiment 2
A kind of new type high temperature binding agent is comprised of Resins, epoxy 618, solidifying agent TH-160, water glass, and each feed composition is by weight calculating, and namely Resins, epoxy 618: solidifying agent TH-160: water glass is 5: 1: 4.
The above-mentioned application of a kind of new type high temperature binding agent in embedded bearing and metal bonding, its using method is as follows:
Resins, epoxy 618: solidifying agent TH-160: after water glass mixed in container by weight 5: 1: 4, be coated in the shear surface of two test pieces to be bonded, carry out the shear surface of two test pieces to be bonded bonding, through 180 ℃ of temperature, after the baking of 30 minutes time, testing its shearing resistance is 18.59MPa.
The comparative example 2
Resins, epoxy 618: solidifying agent TH-160 mixed by weight 5: 1, was coated in the shear surface of two test pieces to be bonded, and through 180 ℃ of temperature, after the baking of 30 minutes time, testing its shearing resistance only is 14.65 MPa.
Can find out the prescription of a kind of new type high temperature binding agent of the present invention owing to added water glass to Resins, epoxy 618 modifications from embodiment 2 and comparative example 2, thereby shearing resistance improves 27%, and therefore the cohesive strength of a kind of new type high temperature binding agent of the present invention is high.
Embodiment 3
A kind of new type high temperature binding agent is comprised of Resins, epoxy 618, solidifying agent TH-160, water glass and graphite, and each feed composition is by weight calculating, and namely Resins, epoxy 618: solidifying agent TH-160: water glass: graphite is 5: 1: 4:8.
The above-mentioned application of a kind of new type high temperature binding agent in embedded bearing and metal bonding, its using method is as follows:
Resins, epoxy 618: solidifying agent TH-160: water glass: graphite was by weight 5: 1: 4: 8 in container, mix after, be coated in the shear surface of two test pieces to be bonded, carry out the shear surface of two test pieces to be bonded bonding, through 150 ℃ of temperature, after the baking of 30 minutes time, testing its shearing resistance is 27.64 MPa.
The comparative example 3
Resins, epoxy 618: solidifying agent TH-160: graphite mixed by weight 5: 1: 8, was coated in the shear surface of bonding test piece, and through 150 ℃ of temperature, after the baking of 30 minutes time, testing its shearing resistance is 16.41 Mpa.
Can find out the prescription of a kind of new type high temperature binding agent of the present invention owing to added water glass to Resins, epoxy 618 modifications from embodiment 3 and comparative example 3, thereby shearing resistance improves 68.43%, and therefore the cohesive strength of a kind of new type high temperature binding agent of the present invention is high.
Embodiment 4
A kind of new type high temperature binding agent is comprised of Resins, epoxy 618, solidifying agent TH-160, water glass and graphite, and each feed composition is by weight calculating, and namely Resins, epoxy 618: solidifying agent TH-160: water glass: graphite is 5: 1: 2:6.
The above-mentioned application of a kind of new type high temperature binding agent in embedded bearing and metal bonding, its using method is as follows:
Resins, epoxy 618: solidifying agent TH-160: water glass: graphite was by weight 5: 1: 2: 6 in container, mix after, be coated in the shear surface of two test pieces to be bonded, carry out the shear surface of two test pieces to be bonded bonding, through 150 ℃ of temperature, after the baking of 30 minutes time, testing its shearing resistance is 17.04 MPa.
Comprehensive the above embodiments 1 ~ 4 and comparative example 1 ~ 3, can draw, a kind of new type high temperature binding agent of the present invention, owing to added water glass to Resins, epoxy 618 modifications, thereby so that the shearing resistance after the two test piece bondings to be bonded obviously improves, therefore the cohesive strength of a kind of new type high temperature binding agent of the present invention is high.
Cohesive strength is significantly improved, and therefore binding agent of the present invention has the high characteristic of cohesive strength.
Above said content only is the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technical scheme of the present invention is done, all should belong to protection scope of the present invention.
Claims (6)
1. high-temperature agglomerant, it is characterized in that its raw material is comprised of Resins, epoxy 618, solidifying agent TH-160, water glass, graphite, each feed composition is by weight calculating, and namely Resins, epoxy 618: solidifying agent TH-160: water glass: graphite is 5: 1: 2 ~ 4: 0 ~ 8;
Described Resins, epoxy 618 belongs to bisphenol A type epoxy resin, and its viscosity＜2.5Pas, oxirane value are 0.48 ~ 0.54eq/100g, organochlorine≤0.02mol/100g, inorganic chlorine≤0.001 mol/100g, volatile matter≤2%;
Described water glass chemical expression is Na
2OmSiO
2NH
2O, modulus are 2.3, and degree Beaume is 52;
Described solidifying agent TH-160 is tetraethylene pentamine;
Described graphite is that particle diameter is less than 200 purpose Graphite Powder 99s.
2. a kind of high-temperature agglomerant as claimed in claim 1 is characterized in that each feed composition by weight calculating, and namely Resins, epoxy 618: solidifying agent TH-160: water glass: graphite is preferably 5: 1: 2 ~ and 4: 6 ~ 8.
3. a kind of high-temperature agglomerant as claimed in claim 2 is characterized in that each feed composition by weight calculating, and namely Resins, epoxy 618: solidifying agent TH-160: water glass: graphite is preferably 5: 1: 2 ~ and 4: 8.
4. a kind of high-temperature agglomerant as claimed in claim 3 is characterized in that each feed composition by weight calculating, and namely Resins, epoxy 618: solidifying agent TH-160: water glass: graphite is preferably 5: 1: 4: 8.
5. such as claim 1,2, the application of the described a kind of high-temperature agglomerant of 3 or 4 arbitrary claims in embedded bearing and metal bonding.
6. the application method of a kind of high-temperature agglomerant as claimed in claim 5 in embedded bearing and metal bonding is characterized in that step is as follows:
The high-temperature agglomerant that Resins, epoxy 618, solidifying agent TH-160, water glass and graphite are mixed rear gained is coated on the shear surface of two test pieces to be bonded, carry out the shear surface of two test pieces to be bonded bonding, again through 150 ~ 180 ℃ of temperature, after the baking of 30 minutes time, the bonding process is finished;
Described two test pieces to be bonded are embedded bearing or two metal sheets.
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|---|---|---|---|
| CN 201110287295 CN102417806B (en) | 2011-09-26 | 2011-09-26 | High-temperature binder, preparation method and application thereof |
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|---|---|---|---|
| CN 201110287295 CN102417806B (en) | 2011-09-26 | 2011-09-26 | High-temperature binder, preparation method and application thereof |
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| CN102417806B true CN102417806B (en) | 2013-04-03 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104804690A (en) * | 2015-04-28 | 2015-07-29 | 广西德骏门窗幕墙有限公司 | Adhesive of aluminium curtain wall and preparation method of adhesive |
| CN105295002A (en) * | 2015-11-14 | 2016-02-03 | 华玉叶 | High-viscosity curing agent composition |
| CN108484083A (en) * | 2018-04-20 | 2018-09-04 | 华北理工大学 | A kind of preparation method and application of high-temperature agglomerant |
| CN113572319B (en) * | 2021-07-08 | 2023-04-25 | 江苏集萃安泰创明先进能源材料研究院有限公司 | Radial amorphous iron core and preparation method thereof |
| CN115785872A (en) * | 2022-11-29 | 2023-03-14 | 中广核研究院有限公司 | Insulating pressure-bearing adhesive and preparation method, application and application method thereof |
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| KR20080094134A (en) * | 2007-04-19 | 2008-10-23 | 주식회사 경동세라텍 | Foamed plastic body having excellent flame retardancy and fire resistance, which using multistage hardening mechanism |
| CN102127383A (en) * | 2010-12-24 | 2011-07-20 | 陕西科技大学 | High-temperature-resistance adhesive capable of curing at room temperature |
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Patent Citations (2)
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|---|---|---|---|---|
| KR20080094134A (en) * | 2007-04-19 | 2008-10-23 | 주식회사 경동세라텍 | Foamed plastic body having excellent flame retardancy and fire resistance, which using multistage hardening mechanism |
| CN102127383A (en) * | 2010-12-24 | 2011-07-20 | 陕西科技大学 | High-temperature-resistance adhesive capable of curing at room temperature |
Non-Patent Citations (2)
| Title |
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| "环氧树脂等化学材料的性能及应用简介";江西省水利科学研究所结材组;《水利科技》;19770402;4-14 * |
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