CN109181276A - A kind of track resilient cushion and preparation method thereof - Google Patents
A kind of track resilient cushion and preparation method thereof Download PDFInfo
- Publication number
- CN109181276A CN109181276A CN201810913346.9A CN201810913346A CN109181276A CN 109181276 A CN109181276 A CN 109181276A CN 201810913346 A CN201810913346 A CN 201810913346A CN 109181276 A CN109181276 A CN 109181276A
- Authority
- CN
- China
- Prior art keywords
- resilient cushion
- parts
- track
- rubber
- mixer
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The invention belongs to track resilient cushion technical fields, and in particular to a kind of track resilient cushion and preparation method thereof.A kind of track resilient cushion, the raw material including following component: blending-type polyurethane high elastic rubber, activating agent, rubber chemicals, plasticizer, vulcanizing agent, captax -80GEF, altax -75GEF, VN3 white carbon black.Through it is excessively thin it is logical plasticate, mixer mixing, dumping, slice, refining and molding and etc. be fabricated to finished product resilient cushion.Resilient cushion provided by the invention can meet the mechanical property of the technical need of high-speed rail resilient cushion, and spring function absorption etc. requires, and have low temperature resistant -50 DEG C, high temperature of 120 DEG C is unchanged, ageing-resistant, the characteristics such as insulating oil-resisting.
Description
Technical field
The invention belongs to track resilient cushion technical fields, and in particular to a kind of track resilient cushion and preparation method thereof.
Background technique
Resilient cushion bears each wheel production when moving on sleeper of passing train between rail and railroad tie
Raw impact and extrusion load, can effectively reduce the noise generated when gentle iron high speed of leaping high passes through rail, heat, impact and
Roadbed and sleeper are protected in vibration.However as the rapid development of Modern High-Speed railway, the high-speed cruising of train is to high-speed railway
More stringent requirements are proposed for damping performance, and original rubber pad service life is short, due to Rubber shock-absorbing pad in use one
Directly under the active force, periodically deformation is generated, the phenomenon that leading to Rubber shock-absorbing pad there are heat, fatigue and agings, and
The problems such as difference of north and south temperature, finally makes track resilient cushion reduced service life, has been difficult to meet at present increasingly developed
High-speed railway damping requirement, in order to guarantee the safety of vehicle operation, stability and comfort are transported in high speed motor car vehicle
When row, a kind of toughness and the good Rubber shock-absorbing pad of fatigue performance are an imperative significant critical components.
Summary of the invention
It is high it is an object of the invention to provide a kind of toughness and endurance service life aiming at the problems existing in the prior art
Track resilient cushion and preparation method thereof, the resilient cushion can meet the mechanical property of the technical need of high-speed rail resilient cushion, spring function
Absorption etc. requires, and has low temperature resistant -50 DEG C, high temperature of 120 DEG C is unchanged, ageing-resistant, the characteristics such as insulating oil-resisting.
The technical scheme is that
A kind of track resilient cushion, according to parts by weight, the raw material including following component: blending-type polyurethane high elastic rubber
50-150 parts, 0.5-1 parts of activating agent, 1-2 parts of rubber chemicals, 5-15 parts of plasticizer, 2-3 parts of vulcanizing agent, captax -80GEF2-
3 parts, -75GEF4-5 parts of altax, 30-40 parts of VN3 white carbon black.
Specifically, the blending-type polyurethane high elastic rubber is 76M mixed milling type polyurethane rubber.
Specifically, the activating agent is DEG-4000, chemical component is polyethylene glycol.
Specifically, the rubber chemicals are AC617A, main component is low molecular polyethylene and its copolymer.
Specifically, the plasticizer is BXA-N, chemical component is hexanedioic acid two [2- (2- Butoxyethoxy].
Specifically, the VN3 white carbon black main component is silica.
Specifically, the chemical component of the vulcanizing agent is bis- (t-butylperoxyisopropyl) benzene.
Specifically, captax -80GEF the chemical component is 2- thiol benzothiazole.
Specifically, the chemical component of the altax -75GEF is 2.2 '-diphenyl disulfide a pair of horses going side by side thiazoles.
A kind of production method of track resilient cushion as described above, includes the following steps:
One, thin logical to plasticate: blending-type polyurethane high elastic rubber being cut into 15 kilograms of bulks with bale splitter, is placed in open mill
Middle roll spacing 1mm, 40 DEG C of temperature, carry out it is thin it is logical plasticate 6 times after go out sizing material, and place 4h；
Two, mixer mixing: rising to 60-70 DEG C for mixer temperature, and step (1) sizing material is put into mixer, is kneaded
5 minutes；
Three, dumping: weighted activating agent, rubber chemicals, plasticizer investment mixer are continued into mixing 5 minutes, then
White carbon black is put into mixer, is kneaded 3-5 minutes, when sizing material temperature rises to 100-110 DEG C of dumping；
Four, open mill roll spacing: being adjusted to 70mm by slice, and the sizing material of step (3) discharge is put into mill mixing 2-3 times,
Start slice, slice thickness 7mm, width 45cm are then cooling by film；
Five, it refines: vulcanizing agent is added in the film that step (4) produces on a mill and carries out Botong's bottom sheet, roller temperature 50-
60℃；
Six, form: by the tentatively molding resilient cushion of step (5) according to resilient cushion mold type it is intracavitary form, form
Glue embryo is put into mold afterwards, and controlling molding temperature with vulcanizing press is 150 DEG C, pressure 5Mpa, time 20min,
Demoulding is got product after cooling.
The beneficial effects of the present invention are: using 76M mixed milling type polyurethane rubber be added plasticizer BXA-N, plasticizer its wave
Hair property low, cold resistance and excellent heat resistance, can assign rubber product excellent low-temperature pliability, low temperature resistant to can reach -55 DEG C, and
It is good with 76M rubber blending；Rubber chemicals AC617A, which is added, can improve the mobile performance and demolding performace of rubber, sizing material surface
Finish, activating agent DEG-4000, which is added, has good activation effect and peptizaiton to white carbon black, improves sizing material physical property and (such as tears
Resistance to spalling, tensile strength, hardness and elasticity), be added VN3 white carbon black can improve the hardness of rubber, breaking strength it is contour tearing and
High-wearing feature is added the low vulcanizing agent of volatility, helps sizing material product to realize substantially stabilized state of cure (vulcanization), keep rubber product resistance to
Aging, anti-Qu Raoxing, improve the heat-resisting, ageing-resistant of vulcanizate, fatigue performance, and the sulphur atom cross-bond between rubber molecule is assigned
Give the anti-Qu Raoxing under vulcanizate excellent dynamic or heat effect.
Specific embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood.
Embodiment 1
A kind of track resilient cushion, according to parts by weight, raw material composition are as follows: 50 parts of MILLATHANE76M blending-type polyurethanes
High resiliency body rubber；0.5 part of environment-friendly type tasteless nontoxic activating agent DEG-4000,1 part of rubber chemicals AC617A, 5 parts of plasticizer
BXA-N, 2 parts of vulcanizing agent DCP, 2 parts of part environmental protection captax -80GEF, 4 parts of environmental protection DM-75GEF, 30 parts of VN3 white carbon blacks.
The production method of track resilient cushion as described above, includes the following steps:
One, thin logical to plasticate: blending-type polyurethane high elastic rubber being cut into 15 kilograms of bulks with bale splitter, is placed in open mill
Middle roll spacing 1mm, 40 DEG C of temperature, carry out it is thin it is logical plasticate 6 times after go out sizing material, and place 4h；
Two, mixer mixing: rising to 60-70 DEG C for mixer temperature, and step 1 sizing material is put into mixer, is kneaded 5
Minute；
Three, dumping: weighted activating agent, rubber chemicals, plasticizer investment mixer are continued into mixing 5 minutes, then
White carbon black is put into mixer, is kneaded 3-5 minutes, when sizing material temperature rises to 100-110 DEG C of dumping；
Four, open mill roll spacing: being adjusted to 70mm by, slice, and the sizing material of step 3 discharge is put into mill mixing 2-3 times,
Start slice, slice thickness 7mm, width 45cm are then cooling by film；
Five, it, refines: vulcanizing agent is added in the film that step 4 produces on a mill and carries out Botong's bottom sheet, roller temperature 50-60
℃；
Six, form: by the tentatively molding resilient cushion of step 5 according to resilient cushion mold type it is intracavitary form, after molding
Glue embryo is put into mold, and controlling molding temperature with vulcanizing press is 150 DEG C, pressure 5Mpa, time 20min, cold
But demoulding is got product afterwards.
Embodiment 2
The raw material of track resilient cushion forms different, rail resilient cushion in the present embodiment unlike the first embodiment, by weight
Number meter, raw material composition are as follows: 100 parts of MILLATHANE76M blending-type polyurethane high resiliency body rubbers；1 part of environment-friendly type is tasteless
Nontoxic activating agent DEG-4000,1.5 parts of processing aid AC617A, 10 parts of plasticizer BXA-N, 2.5 parts of vulcanizing agent DCP, 2.5 parts of parts
Environmentally friendly captax -80GEF, 4.5 parts of environmental protection DM-75GEF, 35 parts of VN3 white carbon blacks use production method same as Example 1
Produce finished product resilient cushion.
Embodiment 3
The raw material of track resilient cushion forms different, rail resilient cushion in the present embodiment unlike the first embodiment, by weight
Number meter, raw material composition are as follows: 150 parts of MILLATHANE76M blending-type polyurethane high resiliency body rubbers；1.5 parts of environment-friendly types without
Taste nontoxic activating agent DEG-4000,2 parts of processing aid AC617A, 15 parts of plasticizer BXA-N, 3 parts of vulcanizing agent DCP, 3 parts of part environmental protection
Captax -80GEF, 5 parts of environmental protection DM-75GEF, 40 parts of VN3 white carbon blacks are produced into using production method same as Example 1
Product resilient cushion.
The resilient cushion that the various embodiments described above are made, with the measurement method measurement series ginseng in professional standard or national standard
Number, as shown in the table.
| Project | Implement 1 | Implement 2 | Implement 3 |
| Hardness (Shao Er A)/degree | 95 | 90 | 85 |
| Maximal force N | 347.8 | 327.8 | 312.5 |
| Ultimate tensile strength (Mpa) | 29.0 | 27.3 | 26 |
| Breaking strength (Mpa) | 29.0 | 27.3 | 26 |
| Maximum elongation rate %mm | 1031.2 | 1093.6 | 1094.7 |
| Elongation at yield point % | 1030.8 | 1093.6 | 1094.7 |
| Yield point strength (Mpa) | 28.9 | 27.3 | 26 |
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. a kind of track resilient cushion, which is characterized in that according to parts by weight, the raw material including following component: blending-type polyurethane
50-150 parts of high elastic rubber, 0.5-1 parts of activating agent, 5-15 parts of plasticizer, 2-3 parts of vulcanizing agent, promote by 1-2 parts of rubber chemicals
M-80GEF2-3 parts of agent, -75GEF4-5 parts of altax, 30-40 parts of VN3 white carbon black.
2. track resilient cushion according to claim 1, which is characterized in that the blending-type polyurethane high elastic rubber is
76M mixed milling type polyurethane rubber.
3. track resilient cushion according to claim 1, which is characterized in that the activating agent is DEG-4000, chemical component
For polyethylene glycol.
4. track resilient cushion according to claim 1, which is characterized in that the rubber chemicals are AC617A, main component
For low molecular polyethylene and its copolymer.
5. track resilient cushion according to claim 1, which is characterized in that the plasticizer is BXA-N, and chemical component is
Diacid two [2- (2- Butoxyethoxy].
6. track resilient cushion according to claim 1, which is characterized in that the VN3 white carbon black main component is titanium dioxide
Silicon.
7. track resilient cushion according to claim 1, which is characterized in that the chemical component of the vulcanizing agent is bis- (tertiary fourths
Base isopropyl peroxide) benzene.
8. track resilient cushion according to claim 1, which is characterized in that the captax -80GEF chemical component is 2-
Thiol benzothiazole.
9. track resilient cushion according to claim 1, which is characterized in that the chemical component of the altax -75GEF is
2.2 '-diphenyl disulfide a pair of horses going side by side thiazoles.
10. the production method of track resilient cushion described in a kind of as above any claim, which is characterized in that including walking as follows
It is rapid:
One, thin logical to plasticate: blending-type polyurethane high elastic rubber being cut into 15 kilograms of bulks with bale splitter, is placed in open mill central roll
Away from 1mm, 40 DEG C of temperature, carry out it is thin it is logical plasticate 6 times after go out sizing material, and place 4h；
Two, mixer mixing: rising to 60-70 DEG C for mixer temperature, and step (1) sizing material is put into mixer, is kneaded 5 points
Clock；
Three, dumping: weighted activating agent, rubber chemicals, plasticizer investment mixer are continued to be kneaded 5 minutes, then by VN3
White carbon black is put into mixer, is kneaded 3-5 minutes, when sizing material temperature rises to 100-110 DEG C of dumping；
Four, open mill roll spacing: being adjusted to 70mm by slice, and the sizing material of step (3) discharge is put into mill mixing 2-3 times, is started
Slice, slice thickness 7mm, width 45cm are then cooling by film；
Five, it refines: vulcanizing agent is added in the film that step (4) produces on a mill and carries out thin logical bottom sheet, 50-60 DEG C of roller temperature；
Six, form: by the tentatively molding resilient cushion of step (5) according to resilient cushion mold type it is intracavitary form, glue after molding
Embryo is put into mold, and controlling molding temperature with vulcanizing press is 150 DEG C, pressure 5Mpa, time 20min, cooling
Demoulding is got product afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810913346.9A CN109181276A (en) | 2018-08-13 | 2018-08-13 | A kind of track resilient cushion and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810913346.9A CN109181276A (en) | 2018-08-13 | 2018-08-13 | A kind of track resilient cushion and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109181276A true CN109181276A (en) | 2019-01-11 |
Family
ID=64921548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810913346.9A Pending CN109181276A (en) | 2018-08-13 | 2018-08-13 | A kind of track resilient cushion and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109181276A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330781A (en) * | 2019-06-04 | 2019-10-15 | 中电鼎康（天长）科技有限公司 | A kind of ageing-resistant sensor outer housing material of damping and preparation method thereof |
| CN113999520A (en) * | 2021-12-21 | 2022-02-01 | 中国人民解放军63919部队 | Transparent rubber airtight material and preparation method and application thereof |
| CN115160767A (en) * | 2022-07-12 | 2022-10-11 | 广东方振新材料精密组件有限公司 | Preparation method of polyurethane rubber and polyurethane rubber |
| CN117801392A (en) * | 2024-03-01 | 2024-04-02 | 中裕铁信交通科技股份有限公司 | Rubber shock pad for tunnel lining and preparation method and application thereof |
| CN117801392B (en) * | 2024-03-01 | 2024-05-14 | 中裕铁信交通科技股份有限公司 | Rubber shock pad for tunnel lining and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104927347A (en) * | 2015-06-12 | 2015-09-23 | 河北省科学院能源研究所 | High-damping mixing polyurethane damping material and preparation method thereof |
| CN106751727A (en) * | 2016-12-27 | 2017-05-31 | 中物功能材料研究院有限公司 | A kind of polyurethane vibration-absorptive material and preparation method thereof |
-
2018
- 2018-08-13 CN CN201810913346.9A patent/CN109181276A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104927347A (en) * | 2015-06-12 | 2015-09-23 | 河北省科学院能源研究所 | High-damping mixing polyurethane damping material and preparation method thereof |
| CN106751727A (en) * | 2016-12-27 | 2017-05-31 | 中物功能材料研究院有限公司 | A kind of polyurethane vibration-absorptive material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330781A (en) * | 2019-06-04 | 2019-10-15 | 中电鼎康（天长）科技有限公司 | A kind of ageing-resistant sensor outer housing material of damping and preparation method thereof |
| CN113999520A (en) * | 2021-12-21 | 2022-02-01 | 中国人民解放军63919部队 | Transparent rubber airtight material and preparation method and application thereof |
| CN115160767A (en) * | 2022-07-12 | 2022-10-11 | 广东方振新材料精密组件有限公司 | Preparation method of polyurethane rubber and polyurethane rubber |
| CN115160767B (en) * | 2022-07-12 | 2023-10-13 | 广东方振新材料精密组件有限公司 | Preparation method of polyurethane rubber and polyurethane rubber |
| CN117801392A (en) * | 2024-03-01 | 2024-04-02 | 中裕铁信交通科技股份有限公司 | Rubber shock pad for tunnel lining and preparation method and application thereof |
| CN117801392B (en) * | 2024-03-01 | 2024-05-14 | 中裕铁信交通科技股份有限公司 | Rubber shock pad for tunnel lining and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109181276A (en) | A kind of track resilient cushion and preparation method thereof | |
| KR101304013B1 (en) | Vehicle interior article of skin-integrated laminate, method for manufacturing non-foaming polyurethane resin and method for manufacturing skin-integrated laminate using the same | |
| KR100281488B1 (en) | Tires with Tread Base Rubber Blend | |
| EP2522530B1 (en) | Tire with treat having base layer comprising diverse zoned rubber compositions | |
| EP3205514A1 (en) | Rubber composition and tire with tread for low temperature performance and wet traction | |
| CN106189198B (en) | A kind of blending-type polyurethane tyre surface-rubber tyre body composite tyre and its manufacturing method | |
| EP2683560B1 (en) | Vehicle tire | |
| US8720507B2 (en) | Pneumatic tire with high speed durability | |
| CN103788439B (en) | Wide temperature range height shock-absorbing sport shoes sole rubber material and preparation method thereof | |
| CN108192162B (en) | A kind of Sports shoe sole abrasive rubber and preparation method thereof | |
| CN103450524B (en) | Formula and preparation method of snow tire | |
| JP2010144039A (en) | Rubber composition for base tread and tire | |
| CN107759843A (en) | All-steel radial tyre shoulder wedge composition and preparation method thereof | |
| EP3323632A1 (en) | Rubber composition and tire with tread for combination of low temperature performance and wet traction | |
| CN113929953A (en) | High-flexibility foaming sole material and preparation method of sole | |
| CN111117171A (en) | TPE (thermoplastic elastomer) super-soft physical foaming sole material and preparation method thereof | |
| CN109021330B (en) | Rubber material for rail transit and preparation method and application thereof | |
| EP2743301A1 (en) | Sulphur linkable natural rubber mixture | |
| US8716393B2 (en) | Functionalized polysulfide silica coupling agents and silica reinforced rubber composition for tire components | |
| CN111500055B (en) | Low-temperature flexible polyurethane composite shoe material and preparation method thereof | |
| CN104271659B (en) | Rubber composition | |
| CN109337136A (en) | A kind of heat cure rapid shaping rubber | |
| CN108914720A (en) | A kind of iron chair lower bolster and its manufacturing method | |
| CN105619739A (en) | Heavy haul train long life turnout resilient sleeper-bearing and manufacturing method thereof | |
| CN102167003B (en) | Rubber armoring sheet of motor vehicle and manufacturing technique thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |