CN1060860A - Method with modified acrylic ester as binder normal temperature binding steel rail - Google Patents
Method with modified acrylic ester as binder normal temperature binding steel rail Download PDFInfo
- Publication number
- CN1060860A CN1060860A CN 91109911 CN91109911A CN1060860A CN 1060860 A CN1060860 A CN 1060860A CN 91109911 CN91109911 CN 91109911 CN 91109911 A CN91109911 A CN 91109911A CN 1060860 A CN1060860 A CN 1060860A
- Authority
- CN
- China
- Prior art keywords
- rail
- bonding
- joint
- normal temperature
- tackiness agent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention relates to method with the bonding rail of modification acrylate class two-component adhesive normal temperature, when adopting this tackiness agent adhering rail joint, only need first, second two components of tackiness agent are pressed 1: 1 (weight ratio) mixing, on the bonding plane that be applied to sanding rust cleaning in advance, removes grease, behind the bonding location, add bolted, ambient cure, can reach the requirement that rail " freezes " joint, compare with the epoxy resin binder adhering rail joint with prior art, save the operation that is heating and curing, reduced difficulty of construction and construction cost.
Description
The present invention is rail joint normal temperature adhesive technology and used tackiness agent thereof.
Tackiness agent has two aspects in the application aspect the rail connection according to reported in literature, an aspect is the connection that is used for rail insulated joint, be the connection that is used for non-insulated connector on the other hand, it comprises the bonding or long rail of short rail and the seamless long rails joint that welded bonding again.Sixties bonded joint is used in American and Britain, method, day, Soviet Union and West Germany, and China is that the seventies begins to adopt, but uses epoxy resin binder mostly, uses aerodux on a small quantity.The holy non-railway of the U.S. was just used the bonding seamless long rails joint of epoxy resin binder in 1963, in construction, require splice bar and rail contact surface are cleaned up, behind the coating adhesive, be heated to 121-154 ℃ with the propane heating unit and make it to solidify (Railway Track and Structures 1963 Vo159.NO.12.19-22).US3139364(1964) also be to use the bonding long rail joint of the epoxy resin binder manufacturing patent of long rail continuously.Nineteen eighty-two austrian patent (374,216) report rail is bonding, also is to use epoxy resin binder in the bolt fastening structure, wherein adds and still can conduct electricity after fine steel ball is heating and curing, and has formed non-insulated connector.This shows and adopt the epoxy resin binder adhering rail joint, must have the thermal-curable system that is heated to more than 100 ℃, must increase the complicacy and the construction cost of operation, particularly bonding being difficult to more of long rail joint implemented.
Modified acroleic acid fat tackiness agent is s-generation acrylate adhesive again, is one of alleged six major projects tackiness agent in the world.Compare with epoxy resin binder, bonding strength is suitable, can both reach the requirement of structure glue.But on shock resistance, anti-vibration performance, then be better than epoxy resin binder, and two component do not need strict weighing when mixing, the bonding plane clean level is not had harsh requirement, more outstanding advantage is can the normal temperature fast setting, these advantages bond to rail, and field construction is very favourable.At present the CALCIUM ACRYLATE structure glue is used for weighing apparatus, cutter, automobile part, electric installation, gamma defectoscope, probe bonding in addition more, does not see the report of adhering rail joint as yet.
The objective of the invention is to replace traditional epoxy resin binder adhering rail joint,, reduce cost, guarantee that driving steadily, prolongs the life-span of rail and train to simplify technique for sticking with modified acroleic acid fat tackiness agent.
Another object of the present invention provides a good toughness, and the modified acrylic ester as binder that bonding strength is high is as bonding rail tackiness agent.
The modified acrylic ester as binder that the present invention uses is made up of first, second two components.The composition of first, second two components and consumption (weight %) are as follows:
| The first component comprises | Component B comprises |
| Reactive acrylate monomer 40-50% | Reactive acrylate monomer 50-60% |
| Mixed elastomer 19-40% | Mixed elastomer 10-40% |
| Multifunctional reactive monomers 10-30% | Multifunctional reactive monomers 10-20% |
| Initiator (oxygenant) 3-6% | Catalyzer (reductive agent) 1-5% |
| Stablizer 0.01-0.5% | Promotor 0.1-1% |
The reactive acrylate monomer that the present invention adopts has methyl acrylate, ethyl ester, butyl ester, methyl methacrylate, ethyl ester, butyl ester etc.
Multifunctional reactive monomers can be used vinylformic acid, acrylic acid hydroxy ester, the hydroxy ester of methacrylic acid, vinylformic acid diethylene glycol dilaurate, the vinylformic acid polyester of TriMethylolPropane(TMP) and tetramethylolmethane and dihydroxyphenyl propane ester compound etc.Particularly adopt the multifunctional reactive monomers such as the beta-hydroxyethyl dihydroxyphenyl propane diester acrylate of band phenyl ring, help improving polymerization velocity and bonding strength.
Elastomerics can be used polyhutadiene, chloroprene rubber, paracril, chlorosulfonated polyethylene, ABS, SBS etc., also can be their mixture.Particularly paracril and ABS resin and usefulness when the general tackiness agent of amount ratio is big, can obviously increase the toughness of tackiness agent.
Organo-peroxides such as the available benzoyl peroxide of initiator (oxygenant), isopropyl benzene hydroperoxide, t-butyl hydrogen peroxide, methylethyl ketone peroxide.
The available aminated compounds of catalyzer (reductive agent) is as triethylamine, diethylamine, Diethylenetriamine, N, accelerine (DNA), N, and N-Diethyl Aniline, N, the N-dimethyl is to monomethylaniline etc.
In order to accelerate to solidify, also to add a kind of reducing activity agent as promotor, it and aminated compounds are formed active high catalyst system.This class material has Thiourea, as ethylene thiourea, tetramethyl thiourea and xitix (vitamins C) etc.
Transition metal salt can be participated in oxidation-reduction reaction, plays the promotor effect, and this class material has neutralized verdigris, iron acetate, Cobaltous diacetate, manganese acetate, iron trichloride, single nickel salt etc.
Particularly a kind of composite reduction system of being made up of amine compound-Thiourea-vitamins C-acetate can efficiently be mated with oxygenant, has guaranteed that bonding strength reaches the requirement of structure glue.
The used stablizer of the present invention has Resorcinol and benzoquinone compound.
During with modified acrylic ester as binder adhering rail joint of the present invention, at first fishtail clamping plate and rail bonding plane are polished to remove iron rust and grease with sand paper or sandblast, then first, second two components are pressed 1: the mixed 1(weight ratio) is even, be applied on the bonding plane, behind the bonding location, add bolted, normal temperature is placed certain hour (24 hours) and is made the tackiness agent completely solidified, just can use.
In order to realize railway joint " freezing ", thermal stress (Pt) balance that rail joint resistance (PH) should be expanded with heat and contract with cold and cause with rail.Pt can be calculated by following rough and ready formula:
Pt＝2.5F（t
o-t
min）
Wherein: Pt thermal stress kg
The F rail profile amasss cm
2
t
OThe temperature of laying a railway track ℃
t
MinRailway location minimum temperature ℃
For the sake of security, make that PH=1.1 * Pt(1.1 is a safety coefficient), in fact the frictional force sum that provides for bonding force and bolt of PH, equal PH as long as guarantee bonding force (carrying pulling force), just can realize the requirement of " freezing " joint fully, because also do not comprise the frictional force that bolt provides here.
Bonding way is seen accompanying drawing:
Among the figure: 1, rail
2, fishtail clamping plate
3, tackiness agent
4, bolt and nut
Embodiment 1:
In 10 liter there-necked flasks with electronic stirring, ratio in table 1 first component adds methyl methacrylate, paracril, ABS resin, Propylene glycol monoacrylate successively, after normal temperature all dissolves down, add vinylformic acid, Viscoat 295 and isopropyl benzene hydroperoxide again, dissolving evenly makes the first component.Component B is equally prepared with the first component in table 1 ratio.
After two components prepare, carry out adhesive test with standard 45# steel disc, behind the curing certain hour, surveying its shearing resistance with omnipotent puller system is 248kg/cm
2
Embodiment 2,3, and 4:
In the component ratio of table 1, compound method and adhesive test be with embodiment 1, and measurement result is respectively 260,258,298kg/cm
2
Symbology MMA-methyl methacrylate in the table 1
β-HPA-Propylene glycol monoacrylate
AA-vinylformic acid
The TMTA-Viscoat 295
The CHP-isopropyl benzene hydroperoxide
DMA-N, accelerine
The Vc-xitix
The preparation of table 1 modified acrylic ester as binder
First component (weight part) component B (weight part)
From above result, the tackiness agent of the inventive method preparation has all reached the intensity of structure glue.
Embodiment 5
Use the 6# Mn alloy plate, get long 250mm, the lath of thick 60mm with blasting method rust cleaning and grease, is coated with respectively with acrylic binder of the present invention and epoxy resin binder before bonding as test specimen, and two test pieces are overlapped.The test specimen that is coated with epoxy resin binder in baking oven 175 ℃ solidified 2 hours, be coated with the test specimen of acrylic binder, solidified 24 hours 25 minutes location of normal temperature, thinks completely solidified.Test its shearing resistance with omnipotent puller system then, every kind of glue simultaneously bonding at least three average.The results are shown in Table 2.
Table 2, different gluingly connect strength ratio
| Test piece number | The kind of glue | Curing | Carrying P (T) | Glued joint area (cm 2) | Shearing stress kg/cm 2 |
| 1 | Epoxy glue | 175 ℃ 2 hours | 16.20 | 76.7 | 211 |
| 2 | 〃 | 〃 | 18.30 | 82.01 | 223 |
| 3 | Acrylate adhesive | Room temperature | 17.3 | 81.78 | 211 |
| 4 | 〃 | 〃 | 16.2 | 77.22 | 214 |
Suitable substantially by the visible acrylic binder of table 2 with the epoxy resin binder bonding strength, but can be heating and curing.
Embodiment 6
Get one section of 75kg/m rail, rail is the same with clamping plate length to be 500mm, with emery wheel iron rust and grease is removed in bonding plane polishing, with the tackiness agent of embodiment 4 by 1: the 1(weight ratio) mix, be applied to respectively on the bonding plane of rail and clamping plate.(25 minutes) use bolted after the cemented in place, add moment of torsion 50kg-m under the normal temperature, place ambient cure then.
Test shearing resistance with omnipotent puller system after the completely solidified, but loosen nut before the test is removed bolt pressure, also can not remove bolt pressure.The results are shown in Table 3
Table 3, bonding 75kg/m rail result
| Rail profile amasss cm 2 | Pt T | PH T | P carrying pulling force T | Bond area cm 2 | Shearing force kg/cm 2 | Experimental phenomena |
| 95.0 | 109.3 | 120.2 | 248 | 1104 | 223 | Glued membrane fracture (removing bolt pressure) |
| 95.0 | 109.3 | 120.2 | 272 | 1104 | 246 | Glued membrane fracture (not removing bolt pressure) |
The joint bonding force is two times of requirements that reach " freezing " joint fully of corresponding PH as seen from Table 3.
Embodiment 7
Get the long standard rail of 75kg/m, splice bar and rail bonding plane handled with sand papering, use the acetone oil removing again after, become the long rail of 500M with the tackiness agent bonding (method is with embodiment 6) of embodiment 4, the normal temperature placement was changed on the Beijing-Guangzhou Railway after 48 hours.Through operation in 3 years, every day, passenger vehicle was more than 60 time, and carrying capacity reaches more than 200,000,000 ton, joint, rail slit no change.
Claims (1)
1, uses the method for reaction-ing adhesive adhering rail joint, it is characterized in that used tackiness agent is a modification acrylate class two-component adhesive, during bonding rail, (weight ratio) mixes only first, second two components of modification acrylate class two-component adhesive need to be connect 1: 1, be applied in advance on the bonding plane that sanding eliminates rust, removes grease, behind the bonding location, add bolted, normal temperature solidifies down then, with this method can be bonding 50,60,75 kilograms/meter rail joint and 25 meters long rail joints of standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91109911 CN1060860A (en) | 1991-10-23 | 1991-10-23 | Method with modified acrylic ester as binder normal temperature binding steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91109911 CN1060860A (en) | 1991-10-23 | 1991-10-23 | Method with modified acrylic ester as binder normal temperature binding steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1060860A true CN1060860A (en) | 1992-05-06 |
Family
ID=4910055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91109911 Pending CN1060860A (en) | 1991-10-23 | 1991-10-23 | Method with modified acrylic ester as binder normal temperature binding steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1060860A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359040A (en) * | 2011-09-14 | 2012-02-22 | 中铁六局集团有限公司 | Construction method of adhesive frozen joints for existing railway line steel rail in alpine region |
| CN102734058A (en) * | 2011-03-30 | 2012-10-17 | 维斯塔斯风力系统有限公司 | Methods of manufacturing wind turbine blades |
| CN106087617A (en) * | 2016-08-08 | 2016-11-09 | 江苏晋德铁路器材有限公司 | Rail insulated joint glueds joint the device that is heating and curing |
-
1991
- 1991-10-23 CN CN 91109911 patent/CN1060860A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734058A (en) * | 2011-03-30 | 2012-10-17 | 维斯塔斯风力系统有限公司 | Methods of manufacturing wind turbine blades |
| CN102359040A (en) * | 2011-09-14 | 2012-02-22 | 中铁六局集团有限公司 | Construction method of adhesive frozen joints for existing railway line steel rail in alpine region |
| CN106087617A (en) * | 2016-08-08 | 2016-11-09 | 江苏晋德铁路器材有限公司 | Rail insulated joint glueds joint the device that is heating and curing |
| CN106087617B (en) * | 2016-08-08 | 2018-06-22 | 江苏晋德铁路器材有限公司 | Rail insulated joint is glued the device that is heating and curing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2002361547B2 (en) | Adhesives for bonding composites | |
| CN1320074C (en) | Methacrylate structural adhesive | |
| EP0357304B1 (en) | Adhesive for low temperature applications | |
| CN111303820B (en) | Double-component polyurethane structural adhesive for bonding power battery and preparation method thereof | |
| EP0798356B1 (en) | Adhesive composition and pneumatic tire | |
| AU2002361547A1 (en) | Adhesives for bonding composites | |
| CN1048877A (en) | Use modified acrylate adhesive for adhering steel rail at normal temp | |
| CN105121573A (en) | Galvanized metal bonding adhesive formulation and process for the use thereof | |
| KR960011143B1 (en) | Acid modified adhesive compositions | |
| CN1060860A (en) | Method with modified acrylic ester as binder normal temperature binding steel rail | |
| CN1839189B (en) | Adhesive containing a hydrogenated carboxylated acrylonitrile butadiene copolymer | |
| CN111705651A (en) | Antiskid wearing layer for steel bridge deck pavement and maintenance method | |
| CA1339566C (en) | Adhesive film | |
| CN103510445A (en) | Conductive ultra-thin wearing layer and preparation method thereof | |
| CN114957867A (en) | Friction body composition for truck composite brake shoe and truck composite brake shoe prepared from friction body composition | |
| MX2008014813A (en) | Adhesive bonding element with increased adhesion. | |
| JPH083907A (en) | Constructing method for anti-skid pavement of surface of covering plate | |
| CN1259492C (en) | Steel structure reinforcing method | |
| CN1206080A (en) | Disc-shaped asbestos-free brake pad for train and manufacturing process thereof | |
| CN114958261B (en) | Modified epoxy bridge deck ultra-thin material interface binder and preparation method thereof | |
| CN117777923A (en) | Elastic insulating adhesive and application thereof in insulation repair of rail gaps between rails | |
| CN116063964A (en) | Hot vulcanization adhesive for PUE bonding and preparation method thereof | |
| CN116715905A (en) | Rubber material composition for vibration-damping bush and vibration-damping bush | |
| CN117801748A (en) | Single-component oil-resistant epoxy structural adhesive, preparation method and application thereof | |
| CN116533152A (en) | Grinding wheel for curved surface steel rail grinding vehicle and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |