CN104829882A - Shock-absorbing elastomer for torsion bar and preparation method thereof - Google Patents
Shock-absorbing elastomer for torsion bar and preparation method thereof Download PDFInfo
- Publication number
- CN104829882A CN104829882A CN201510261744.3A CN201510261744A CN104829882A CN 104829882 A CN104829882 A CN 104829882A CN 201510261744 A CN201510261744 A CN 201510261744A CN 104829882 A CN104829882 A CN 104829882A
- Authority
- CN
- China
- Prior art keywords
- parts
- shock
- absorbing
- torsion bar
- preparation
- 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
- C08L7/00—Compositions of natural rubber
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a shock-absorbing elastomer for a torsion bar and a preparation method thereof. The shock-absorbing elastomer comprises the following raw materials in parts by weight: 75-85 parts of natural rubber, 15-25 parts of butadiene rubber, 3-7 parts of zinc oxide, 1-2 parts of stearic acid, 1-2 parts of fluororubber, 0.5-1.5 parts of a silane coupling agent, 1-2 parts of an anti-aging agent H, 45-55 parts of highly wear-resistant furnace black HAF, 25-35 parts of general carbon black GPF, 1-1.4 parts of vulcanized resin, 1-1.4 parts of sulfur, 0.5-1.0 part of an accelerant CBS, 0.3-0.5 part of an accelerant DM and 0.1-0.3 part of a scorch retarder CTP. The fatigue performance and the mechanical strength of the shock-absorbing elastomer are remarkably improved, and the shock-absorbing elastomer can be used for absorbing low frequency and large range vibration and satisfying the shock-absorbing requirement of vehicles, and is simple in preparation process and low in cost, and popularization and application are facilitated.
Description
Technical field
The invention belongs to high-performance rubber field of material preparation, be specifically related to a kind of torsion bar shock absorbing resilient body and preparation method thereof.
Background technology
Rubber core for torsion bar is mainly used in the equilibratory suspension of heavy truck, is used for connecting the back axle of truck and vehicle frame and plays cushioning effect.Current domestic rubber core for torsion bar is made up of axis and damping gum cover, wherein damping gum cover is made up of inner sleeve, shock absorbing resilient body, overcoat again, shock absorbing resilient body adopts composite sulfuration rubber, cost is relatively high, be suitable for absorbing high-frequency rate to shake by a small margin, low frequency is significantly shaken, just can not meet service requirements.
Summary of the invention
The object of the present invention is to provide a kind of torsion bar shock absorbing resilient body and preparation method thereof, fatigue property and physical strength are significantly improved, and can absorb low frequency and significantly shake, meet the damping requirement of vehicle, preparation technology is simple, with low cost, is conducive to applying.
For achieving the above object, the present invention adopts following technical scheme:
A kind of torsion bar shock absorbing resilient body, raw materials by weight portion meter: natural rubber 75-85 part, cis-1,4-polybutadiene rubber 15-25 part, zinc oxide 3-7 part, stearic acid 1-2 part, viton 1-2 part, silane coupling agent 0.5-1.5 part, antioxidant H 1-2 part, high abrasion furnace blacks HAF 45-55 part, general carbon black GPF 25-35 part, curing resin 1-1.4 part, sulphur 1-1.4 part, accelerator CBS 0.5-1.0 part, altax 0.3-0.5 part, anti-scorching agent CTP 0.1-0.3 part.
Preparation method comprises the following steps:
1) natural rubber, cis-1,4-polybutadiene rubber, zinc oxide, stearic acid, viton, silane coupling agent, antioxidant H, high abrasion furnace blacks HAF, general carbon black GPF, curing resin, accelerator CBS, altax and anti-scorching agent CTP are mixed, temperature 60-80 DEG C, time 20-30min;
2) add sulphur, carry out secondary mixing, temperature 30-50 DEG C, time 10-20min;
3) sulfuration is carried out, temperature 150-180 DEG C, time 10-30min.
Remarkable advantage of the present invention is: fatigue property and the physical strength of obtained shock absorbing resilient body are significantly improved, and can absorb low frequency and significantly shake, meet the damping requirement of vehicle, and preparation technology is simple, with low cost, is conducive to applying.
Embodiment
embodiment 1
A kind of torsion bar shock absorbing resilient body, raw materials by weight portion meter: natural rubber 75 parts, cis-1,4-polybutadiene rubber 15 parts, 3 parts, zinc oxide, stearic acid 1 part, viton 1 part, silane coupling agent 0.5 part, antioxidant H 1 part, high abrasion furnace blacks HAF 45 parts, general carbon black GPF 25 parts, curing resin 1 part, 1 part, sulphur, accelerator CBS 0.5 part, altax 0.3 part, anti-scorching agent CTP 0.1 part.
Preparation method comprises the following steps:
1) natural rubber, cis-1,4-polybutadiene rubber, zinc oxide, stearic acid, viton, silane coupling agent, antioxidant H, high abrasion furnace blacks HAF, general carbon black GPF, curing resin, accelerator CBS, altax and anti-scorching agent CTP are mixed, temperature 60 C, time 20min;
2) add sulphur, carry out secondary mixing, temperature 30 DEG C, time 10min;
3) sulfuration is carried out, temperature 150 DEG C, time 10min.
embodiment 2
A kind of torsion bar shock absorbing resilient body, raw materials by weight portion meter: natural rubber 85 parts, cis-1,4-polybutadiene rubber 25 parts, 7 parts, zinc oxide, stearic acid 2 parts, viton 2 parts, silane coupling agent 1.5 parts, antioxidant H 2 parts, high abrasion furnace blacks HAF 55 parts, general carbon black GPF 35 parts, curing resin 1.4 parts, 1.4 parts, sulphur, accelerator CBS 1.0 parts, altax 0.5 part, anti-scorching agent CTP 0.3 part.
Preparation method comprises the following steps:
1) natural rubber, cis-1,4-polybutadiene rubber, zinc oxide, stearic acid, viton, silane coupling agent, antioxidant H, high abrasion furnace blacks HAF, general carbon black GPF, curing resin, accelerator CBS, altax and anti-scorching agent CTP are mixed, temperature 80 DEG C, time 30min;
2) add sulphur, carry out secondary mixing, temperature 50 C, time 20min;
3) sulfuration is carried out, temperature 180 DEG C, time 30min.
embodiment 3
A kind of torsion bar shock absorbing resilient body, raw materials by weight portion meter: natural rubber 80 parts, cis-1,4-polybutadiene rubber 20 parts, 5 parts, zinc oxide, stearic acid 1.5 parts, viton 1.5 parts, silane coupling agent 1.0 parts, antioxidant H 1.5 parts, high abrasion furnace blacks HAF 50 parts, general carbon black GPF 30 parts, curing resin 1.2 parts, 1.2 parts, sulphur, accelerator CBS 0.7 part, altax 0.4 part, anti-scorching agent CTP 0.2 part.
Preparation method comprises the following steps:
1) natural rubber, cis-1,4-polybutadiene rubber, zinc oxide, stearic acid, viton, silane coupling agent, antioxidant H, high abrasion furnace blacks HAF, general carbon black GPF, curing resin, accelerator CBS, altax and anti-scorching agent CTP are mixed, temperature 70 C, time 25min;
2) add sulphur, carry out secondary mixing, temperature 40 DEG C, time 15min;
3) sulfuration is carried out, temperature 165 DEG C, time 20min.
The performance of the shock absorbing resilient body that table 1 the present invention obtains
As can be seen from Table 1, the over-all properties that the present invention obtains shock absorbing resilient body is significantly improved, and can absorb low frequency and significantly shake, and meets the damping requirement of vehicle.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (2)
1. a torsion bar shock absorbing resilient body, is characterized in that: raw materials by weight portion meter: natural rubber 75-85 part, cis-1,4-polybutadiene rubber 15-25 part, zinc oxide 3-7 part, stearic acid 1-2 part, viton 1-2 part, silane coupling agent 0.5-1.5 part, antioxidant H 1-2 part, high abrasion furnace blacks HAF 45-55 part, general carbon black GPF 25-35 part, curing resin 1-1.4 part, sulphur 1-1.4 part, accelerator CBS 0.5-1.0 part, altax 0.3-0.5 part, anti-scorching agent CTP 0.1-0.3 part.
2. prepare a method for torsion bar shock absorbing resilient body as claimed in claim 1, it is characterized in that: comprise the following steps:
1) natural rubber, cis-1,4-polybutadiene rubber, zinc oxide, stearic acid, viton, silane coupling agent, antioxidant H, high abrasion furnace blacks HAF, general carbon black GPF, curing resin, accelerator CBS, altax and anti-scorching agent CTP are mixed, temperature 60-80 DEG C, time 20-30min;
2) add sulphur, carry out secondary mixing, temperature 30-50 DEG C, time 10-20min;
3) sulfuration is carried out, temperature 150-180 DEG C, time 10-30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261744.3A CN104829882A (en) | 2015-05-21 | 2015-05-21 | Shock-absorbing elastomer for torsion bar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510261744.3A CN104829882A (en) | 2015-05-21 | 2015-05-21 | Shock-absorbing elastomer for torsion bar and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104829882A true CN104829882A (en) | 2015-08-12 |
Family
ID=53808103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510261744.3A Pending CN104829882A (en) | 2015-05-21 | 2015-05-21 | Shock-absorbing elastomer for torsion bar and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104829882A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743367A (en) * | 2005-09-29 | 2006-03-08 | 株洲时代新材料科技股份有限公司 | Chloroprene rubber polymer blend and its preparing method |
| CN102382338A (en) * | 2011-09-02 | 2012-03-21 | 株洲时代新材料科技股份有限公司 | Isoprene rubber blend and its preparation method |
-
2015
- 2015-05-21 CN CN201510261744.3A patent/CN104829882A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1743367A (en) * | 2005-09-29 | 2006-03-08 | 株洲时代新材料科技股份有限公司 | Chloroprene rubber polymer blend and its preparing method |
| CN102382338A (en) * | 2011-09-02 | 2012-03-21 | 株洲时代新材料科技股份有限公司 | Isoprene rubber blend and its preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105037865B (en) | A kind of modified waste rubber powder and preparation method and application | |
| CN102181084B (en) | Rubber for vehicle shock absorber | |
| CN103865121B (en) | Tire gluing core sizing material and its preparation method | |
| CN102617895A (en) | Formula of rubber bushing of automobile control swing arm and preparation process | |
| CN103374148B (en) | A kind of rubber composition, rubber and yielding rubber part | |
| JP2014516119A5 (en) | ||
| EP2424737A4 (en) | Tread for heavy vehicle tires | |
| CN110128723A (en) | A kind of high-mechanic solid tyre rubber and preparation method thereof | |
| CN104710658A (en) | Antislip rubber sole material | |
| CN104371309A (en) | Rubber bushing material for automotive suspension and preparation method of rubber bushing material | |
| CN105367851B (en) | The rubber prepared using pretreated precipitated silica and the tire with component | |
| CN104829882A (en) | Shock-absorbing elastomer for torsion bar and preparation method thereof | |
| CN102558621B (en) | Low-dynamic-multiplying-power and high-attenuation rubber material and preparation method thereof | |
| CN105524305A (en) | Tread rubber for engineering tire | |
| CN103524799A (en) | Method for preparing reinforced network rubber material through hybridization of white carbon black and polar rubber | |
| CN105542261A (en) | Low rolling resistance boron carbide rubber composition and preparation process thereof | |
| CN205383215U (en) | Improved type axle sleeve | |
| CN106349522A (en) | Low-pressure deformation rubber composition as well as preparation method, application and application product thereof | |
| CN105086009A (en) | Rubber material for automobile control arm bushing and preparation method of rubber material | |
| CN106336535B (en) | Endless-track vehicle bogie wheel kiss-coating and preparation method thereof | |
| CN101942168B (en) | Wheel brake pad and production process thereof | |
| CN108752657A (en) | A kind of preparation method of high-elastic solid tyre tire material | |
| CN108239313A (en) | A kind of full terrain tires tread rubber of diatomite reinforcement and filler and preparation method thereof | |
| CN108299781A (en) | A kind of wear-resistant tyre rubber material and preparation method thereof | |
| CN104650392A (en) | Truck tyre inner cord fabric rubber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150812 |
|
| RJ01 | Rejection of invention patent application after publication |