CN103131059A - Rubber material and method for manufacturing automobile control arm lining with rubber material - Google Patents
Rubber material and method for manufacturing automobile control arm lining with rubber material Download PDFInfo
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Abstract
The invention relates to a rubber material. The rubber material comprises, by weight, 60-120 parts of natural rubber, 10-40 parts of butadiene rubber, 30-100 parts of fortifier, 0.5-4 parts of vulcanizing agent, 0.5-4 parts of accelerant, 2-6 parts of antiager, 0.1-0.5 part of scorch retarder, 2-6 parts of active agent, 0.5-3 parts of stearic acid, 0.5-4 parts of fatty acid, 1-5 parts of dispersing agent, 1-8 parts of paroline and 1-6 parts of flow promoter. The invention further discloses a method for manufacturing an automobile control arm lining with the rubber material. Manufacturing processes are as follows: mixing, forming, vulcanizing, postprocessing and testing. The rubber material has the advantages of being warping resistant, wearproof, low in themogenesis and the like. The fatigue resistance service life of the rubber material is greatly prolonged.
Description
Technical field
The present invention relates to make automobile control arm lining accessory field, relate in particular to a kind of elastomeric material, and utilize this material to make automobile control arm lining method, be mainly used in making processing automobile control arm lining.
Background technology
The automobile control arm lining, as the important spare part that connects wheel and control arm, the attitude that the steering balance of controlling vehicle is controlled, accelerated and slows down suppresses to play conclusive effect.
Fast development along with China's economic, family-sized car progresses into general family, people to automobile safely, the performance requriements such as to control also more and more higher, and automobile control arm is an important interconnecting piece of automobile, be also one of important elastomeric material of automobile steering system, the driving safety of automobile, handling etc. are played an important role.
Limited by the diversity of domestic road conditions, the product that elastomeric material formula commonly used is produced, its fatigue lifetime is generally on the low side, very easily causes abnormal sound, even direction out of control etc. and cause major accident.Because this product bears high load for a long time, and in the situation that the load increase that vehicle anxious accelerates, several times of moments are born in anxious braking, therefore need the elastomeric material of lining must possess the characteristics such as good warping strength, wear-resistant, the inner low-heat-generation rate of sizing material.This series products in the fatigue life test condition is: axially load: ± 10KN; Frequency: 1Hz; Cycle index: still need keep good stiffness characteristics in the situation of 800,000 times, the failure conditions such as harmful crackle can not occur.The natural rubber of original conventional trade mark, semi-reinforcing hydrocarbon black, extrude carbon black soon and can not adapt to present service requirements, develop and a kind ofly can bear high-load more, more the elastomeric material used of the control arm lining of high abrasion characteristic is imperative.
Summary of the invention
A kind of elastomeric material that the object of the invention is to overcome the deficiencies in the prior art and provide, and utilize this material to make automobile control arm lining method,
The present invention realizes by following technical scheme:
One of the technical problem to be solved in the present invention is to provide above-mentioned a kind of elastomeric material.
Described elastomeric material comprises following composition by weight:
Natural rubber: 60～120;
Cis-1,4-polybutadiene rubber: 10～40;
Strengthening agent: 30～100;
Vulcanizing agent: 0.5～4;
Promotor: 0.5～4;
Anti-aging agent: 2～6;
Scorch retarder: 0.1～0.5;
Promoting agent: 2～6;
Stearic acid: 0.5～3;
Lipid acid: 0.5～4;
Dispersion agent: 1～5;
Paraffin oil: 1～8;
Flow promotor: 1～6.
Further, described elastomeric material comprises following composition by weight:
Natural rubber: 70～110;
Cis-1,4-polybutadiene rubber: 10～30;
Strengthening agent: 35～90;
Vulcanizing agent: 1～3.5;
Promotor: 0.5～3;
Anti-aging agent: 2.5～5.5;
Scorch retarder: 0.1～0.4;
Promoting agent: 3～5;
Stearic acid: 0.5～2;
Lipid acid: 1～3;
Dispersion agent: 2～4;
Paraffin oil: 2～6;
Flow promotor: 1～5.
Further, described elastomeric material comprises following composition by weight:
Natural rubber: 80～100;
Cis-1,4-polybutadiene rubber: 15～25;
Strengthening agent: 40～80;
Vulcanizing agent: 1.5～3;
Promotor: 1～2;
Anti-aging agent: 3～5;
Scorch retarder: 0.1～0.3;
Promoting agent: 4～5;
Stearic acid: 0.5～1.5;
Lipid acid: 1～2;
Dispersion agent: 2～3;
Paraffin oil: 2～4;
Flow promotor: 1～4.
Further, described anti-aging agent is the mixture of a kind of in anti-aging agent RD, antioxidant 4010NA, antioxidant 4020, antioxidant D NP or antioxidant MB or at least two kinds;
Described strengthening agent is carbon black;
Described vulcanizing agent is insoluble sulfur;
Described promotor is sulfenamide type accelerators;
Described promoting agent is zinc oxide;
Two of the technical problem to be solved in the present invention is to provide the above-mentioned method of utilizing this elastomeric material to make the automobile control arm lining.
Its manufacturing step is as follows:
Step 1: mixing;
Natural rubber, cis-1,4-polybutadiene rubber, strengthening agent, vulcanizing agent, promotor, anti-aging agent, scorch retarder, promoting agent, stearic acid, lipid acid, dispersion agent, paraffin oil are added Banbury mixer according to formula ratio, carry out mixing, after obtaining rubber unvulcanizate, its hardness, intensity, elongation are detected, and the synthetic rubber that wherein reaches hardness and be 70 ± 5 degree, intensity＞6MPa, elongation 250～550% is qualified synthetic rubber;
Step 2: moulding and sulfuration;
Detecting the rubber unvulcanizate after mixing, carry out moulding by the mill heat refining after evenly with detecting qualified synthetic rubber, then the adhesive tape after moulding is injected in the mould of vulcanizing equipment, is under the condition of 155 ℃～165 ℃ in temperature, then the 160～200Kgf/cm that pressurizes
2, adhesive tape is carried out sulfidizing, 360～480 seconds time length;
Step 3: aftertreatment and check;
In step 2, the elastomeric material of the lining that sulfidizing is crossed carries out deburring, check, packing, warehouse-in.
Further, the hardness in described step 1 is that 68 degree, intensity are that 24MPa, elongation are 520%, and the temperature in described step 2 is 155 ℃, is pressurised into 170Kgf/cm
2, the time length is 480 seconds.
Further, the hardness in described step 1 is that 70 degree, intensity are that 23MPa, elongation are 513%, and the temperature in described step 2 is 160 ℃, is pressurised into 180Kgf/cm
2, the time length is 420 seconds.
Further, the hardness in described step 1 is that 72 degree, intensity are that 22MPa, elongation are 487%, and the temperature in described step 2 is 162 ℃, is pressurised into 190Kgf/cm
2, the time length is 360 seconds.
Beneficial effect of the present invention is: the present invention has the characteristics such as good warping strength, wear-resistant, low-heat-generation, improved the antifatigue life-span of automobile control arm lining largely, axial loading: ± 10KN, frequency: 1Hz, cycle index have been satisfied: requirement fatigue lifetime of 800,000 times, durable rear product still possesses good rigidity property, without harmful wearing and tearing and crackle.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
[embodiment one]:
A kind of elastomeric material, proportioning comprises following composition by weight:
Natural rubber: 100, cis-1,4-polybutadiene rubber: 10, strengthening agent: 50, vulcanizing agent: 2, promotor: 1.2, anti-aging agent: 3, scorch retarder: 0.2, promoting agent: 4, stearic acid: 0.5, lipid acid: 1, dispersion agent: 2 paraffin oils: 2, flow promotor: 1.
Described natural rubber is No. 3 smoked sheet, and No. 3 smoked sheet mainly originates from the Thailand middle and south, is the emulsion that cuts off on rubber tree, and after sootiness and natural air drying, then compressing tablet forms;
Described cis-1,4-polybutadiene rubber is that type is the cis-1,4-polybutadiene rubber of BR1250H, and cis-1,4-polybutadiene rubber is the abbreviation of cis 1，4-polybutadiene rubber, and its molecular formula is (C4H6) n, belongs to mixture;
Described strengthening agent is carbon black, preferably super abrasion resistant carbon black, intermediate super abrasion furnace black, high wear-resistant carbon black, extrude soon the mixture of a kind of in carbon black, semi-reinforcing hydrocarbon black or spray carbon black or at least two kinds;
Described vulcanizing agent is insoluble sulfur, and the molecular formula of insoluble sulfur is Su, is a kind of nontoxic, flammable yellow powder, gains the name because it is insoluble to dithiocarbonic anhydride.It makes through common sulphur thermopolymerization, and the number of sulfur atoms on molecular chain has visco-elasticity and the molecular weight distribution of superpolymer up to more than 108, therefore also claims plastic sulfur or polymerised sulphur, belongs to the inorganic polymer industrial chemicals;
Described promotor is sulfenamide type accelerators;
Described anti-aging agent is the mixture of a kind of in anti-aging agent RD, antioxidant 4010NA, antioxidant 4020, antioxidant D NP or antioxidant MB or at least two kinds;
Described promoting agent is zinc oxide;
Described flow promotor is selected from the mixture of a kind of in ATFLOW L-24 or PW or two kinds.
Utilize the method for the automobile control arm lining of this rubber making, its manufacturing step is as follows:
Step 1, mixing:
Natural rubber, cis-1,4-polybutadiene rubber, strengthening agent, vulcanizing agent, promotor, anti-aging agent, scorch retarder, promoting agent, stearic acid, lipid acid, dispersion agent, paraffin oil are added Banbury mixer according to formula ratio, carry out mixing, after obtaining rubber unvulcanizate, its hardness, intensity, elongation are detected, and the synthetic rubber that wherein reaches hardness and be 68 degree, intensity 24MPa, elongation 520% is qualified synthetic rubber;
Step 2, moulding and sulfuration:
Detecting the rubber unvulcanizate after mixing, carry out moulding by the mill heat refining after evenly with detecting qualified synthetic rubber, then the adhesive tape after moulding is injected in the mould of vulcanizing equipment, is under the condition of 155 ℃ in temperature, then the 170Kgf/cm that pressurizes
2, adhesive tape is carried out sulfidizing, 480 seconds time length;
Step 3, aftertreatment and check:
The elastomeric material of the lining that the step 2 sulfidizing is crossed carries out deburring, check, packing, warehouse-in.
[embodiment two]:
A kind of elastomeric material, proportioning comprises following composition by weight:
Natural rubber: 90, cis-1,4-polybutadiene rubber: 15, strengthening agent: 55, vulcanizing agent: 2.2, promotor: 1.4, anti-aging agent: 3.5, scorch retarder: 0.3, promoting agent: 4.5, stearic acid: 1, lipid acid: 1.5, dispersion agent: 2.5, paraffin oil: 2.5, flow promotor: 2.
Described natural rubber is No. 3 smoked sheet, and No. 3 smoked sheet mainly originates from the Thailand middle and south, is the emulsion that cuts off on rubber tree, and after sootiness and natural air drying, then compressing tablet forms;
Described cis-1,4-polybutadiene rubber is that type is the cis-1,4-polybutadiene rubber of BR1250H, and cis-1,4-polybutadiene rubber is the abbreviation of cis 1，4-polybutadiene rubber, and its molecular formula is (C4H6) n, belongs to mixture;
Described strengthening agent is carbon black, preferably super abrasion resistant carbon black, intermediate super abrasion furnace black, high wear-resistant carbon black, extrude soon the mixture of a kind of in carbon black, semi-reinforcing hydrocarbon black or spray carbon black or at least two kinds;
Described vulcanizing agent is insoluble sulfur, and the molecular formula of insoluble sulfur is Su, is a kind of nontoxic, flammable yellow powder, gains the name because it is insoluble to dithiocarbonic anhydride.It makes through common sulphur thermopolymerization, and the number of sulfur atoms on molecular chain has visco-elasticity and the molecular weight distribution of superpolymer up to more than 108, therefore also claims plastic sulfur or polymerised sulphur, belongs to the inorganic polymer industrial chemicals;
Described promotor is sulfenamide type accelerators;
Described anti-aging agent is the mixture of a kind of in anti-aging agent RD, antioxidant 4010NA, antioxidant 4020, antioxidant D NP or antioxidant MB or at least two kinds;
Described promoting agent is zinc oxide;
Described flow promotor is selected from the mixture of a kind of in ATFLOW L-24 or PW or two kinds.
Utilize the method for the automobile control arm lining of this rubber making, its manufacturing step is as follows:
Step 1, mixing:
Natural rubber, cis-1,4-polybutadiene rubber, strengthening agent, vulcanizing agent, promotor, anti-aging agent, scorch retarder, promoting agent, stearic acid, lipid acid, dispersion agent, paraffin oil are added Banbury mixer according to formula ratio, carry out mixing, after obtaining rubber unvulcanizate, its hardness, intensity, elongation are detected, and the synthetic rubber that wherein reaches hardness and be 70 degree, intensity 23MPa, elongation 513% is qualified synthetic rubber;
Step 2, moulding and sulfuration:
Detecting the rubber unvulcanizate after mixing, carry out moulding by the mill heat refining after evenly with detecting qualified synthetic rubber, then the adhesive tape after moulding is injected in the mould of vulcanizing equipment, is under the condition of 160 ℃ in temperature, then the 180Kgf/cm that pressurizes
2, adhesive tape is carried out sulfidizing, 420 seconds time length;
Step 3, aftertreatment and check:
The elastomeric material of the lining that the step 2 sulfidizing is crossed carries out deburring, check, packing, warehouse-in.
[embodiment three]:
A kind of elastomeric material, proportioning comprises following composition by weight:
Natural rubber: 80, cis-1,4-polybutadiene rubber: 20, strengthening agent: 58, vulcanizing agent: 2.4, promotor: 1.4, anti-aging agent: 4, scorch retarder: 0.3, promoting agent: 5, stearic acid: 1, lipid acid: 2, dispersion agent: 2, paraffin oil: 2, flow promotor: 2.
Described natural rubber is No. 3 smoked sheet, and No. 3 smoked sheet mainly originates from the Thailand middle and south, is the emulsion that cuts off on rubber tree, and after sootiness and natural air drying, then compressing tablet forms;
Described cis-1,4-polybutadiene rubber is that type is the cis-1,4-polybutadiene rubber of BR1250H, and cis-1,4-polybutadiene rubber is the abbreviation of cis 1，4-polybutadiene rubber, and its molecular formula is (C4H6) n, belongs to mixture;
Described strengthening agent is carbon black, preferably super abrasion resistant carbon black, intermediate super abrasion furnace black, high wear-resistant carbon black, extrude soon the mixture of a kind of in carbon black, semi-reinforcing hydrocarbon black or spray carbon black or at least two kinds;
Described vulcanizing agent is insoluble sulfur, and the molecular formula of insoluble sulfur is Su, is a kind of nontoxic, flammable yellow powder, gains the name because it is insoluble to dithiocarbonic anhydride.It makes through common sulphur thermopolymerization, and the number of sulfur atoms on molecular chain has visco-elasticity and the molecular weight distribution of superpolymer up to more than 108, therefore also claims plastic sulfur or polymerised sulphur, belongs to the inorganic polymer industrial chemicals;
Described promotor is sulfenamide type accelerators;
Described anti-aging agent is the mixture of a kind of in anti-aging agent RD, antioxidant 4010NA, antioxidant 4020, antioxidant D NP or antioxidant MB or at least two kinds;
Described promoting agent is zinc oxide;
Described flow promotor is selected from the mixture of a kind of in ATFLOW L-24 or PW or two kinds.
Utilize the method for the automobile control arm lining of this rubber making, its manufacturing step is as follows:
Step 1, mixing:
Natural rubber, cis-1,4-polybutadiene rubber, strengthening agent, vulcanizing agent, promotor, anti-aging agent, scorch retarder, promoting agent, stearic acid, lipid acid, dispersion agent, paraffin oil are added Banbury mixer according to formula ratio, carry out mixing, after obtaining rubber unvulcanizate, its hardness, intensity, elongation are detected, and the synthetic rubber that wherein reaches hardness and be 72 degree, intensity 22MPa, elongation 487% is qualified synthetic rubber;
Step 2, moulding and sulfuration:
Detecting the rubber unvulcanizate after mixing, carry out moulding by the mill heat refining after evenly with detecting qualified synthetic rubber, then the adhesive tape after moulding is injected in the mould of vulcanizing equipment, is under the condition of 162 ℃ in temperature, then the 190Kgf/cm that pressurizes
2, adhesive tape is carried out sulfidizing, 360 seconds time length;
Step 3, aftertreatment and check:
The elastomeric material of the lining that the step 2 sulfidizing is crossed carries out deburring, check, packing, warehouse-in.
The present invention has the characteristics such as good warping strength, wear-resistant, low-heat-generation, improved the antifatigue life-span of automobile control arm lining largely, axial loading: ± 10KN, frequency: 1Hz, cycle index have been satisfied: requirement fatigue lifetime of 800,000 times, durable rear product still possesses good rigidity property, without harmful wearing and tearing and crackle.
For the human consumer provides a safe and reliable environment by bus, product has good fatigue performance simultaneously, and for the safety traffic of vehicle provides sound assurance, the elastomeric material Fatigue Life Comparison of described automobile control arm lining is as shown in the table:
| ? | Existing lining | The present invention |
| Durability times | 300,000 times | 800,000 times |
| Durable rear shape | Shape deformity, well damage after durability times 300,000 times | Shape invariance, not damaged after durability times 800,000 times |
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. an elastomeric material, is characterized in that, described elastomeric material comprises following composition by weight:
Natural rubber: 60～120;
Cis-1,4-polybutadiene rubber: 10～40;
Strengthening agent: 30～100;
Vulcanizing agent: 0.5～4;
Promotor: 0.5～4;
Anti-aging agent: 2～6;
Scorch retarder: 0.1～0.5;
Promoting agent: 2～6;
Stearic acid: 0.5～3;
Lipid acid: 0.5～4;
Dispersion agent: 1～5;
Paraffin oil: 1～8;
Flow promotor: 1～6.
2. elastomeric material according to claim 1, is characterized in that, described elastomeric material comprises following composition by weight:
Natural rubber: 70～110;
Cis-1,4-polybutadiene rubber: 10～30;
Strengthening agent: 35～90;
Vulcanizing agent: 1～3.5;
Promotor: 0.5～3;
Anti-aging agent: 2.5～5.5;
Scorch retarder: 0.1～0.4;
Promoting agent: 3～5;
Stearic acid: 0.5～2;
Lipid acid: 1～3;
Dispersion agent: 2～4;
Paraffin oil: 2～6;
Flow promotor: 1～5.
3. elastomeric material according to claim 1, is characterized in that, described elastomeric material comprises following composition by weight:
Natural rubber: 80～100;
Cis-1,4-polybutadiene rubber: 15～25;
Strengthening agent: 40～80;
Vulcanizing agent: 1.5～3;
Promotor: 1～2;
Anti-aging agent: 3～5;
Scorch retarder: 0.1～0.3;
Promoting agent: 4～5;
Stearic acid: 0.5～1.5;
Lipid acid: 1～2;
Dispersion agent: 2～3;
Paraffin oil: 2～4;
Flow promotor: 1～4.
4. according to claim 1-3 described elastomeric materials of any one, is characterized in that, described anti-aging agent is the mixture of a kind of in anti-aging agent RD, antioxidant 4010NA, antioxidant 4020, antioxidant D NP or antioxidant MB or at least two kinds;
Described strengthening agent is carbon black;
Described vulcanizing agent is insoluble sulfur;
Described promotor is sulfenamide type accelerators;
Described promoting agent is zinc oxide.
5. one kind is utilized elastomeric material claimed in claim 1 to make automobile control arm lining method, it is characterized in that, its manufacturing step is as follows:
Step 1: mixing;
Natural rubber, cis-1,4-polybutadiene rubber, strengthening agent, vulcanizing agent, promotor, anti-aging agent, scorch retarder, promoting agent, stearic acid, lipid acid, dispersion agent, paraffin oil are added Banbury mixer according to formula ratio, carry out mixing, after obtaining rubber unvulcanizate, its hardness, intensity, elongation are detected, and the synthetic rubber that wherein reaches hardness and be 70 ± 5 degree, intensity＞6MPa, elongation 250～550% is qualified synthetic rubber;
Step 2: moulding and sulfuration;
Detecting the rubber unvulcanizate after mixing, carry out moulding by the mill heat refining after evenly with detecting qualified synthetic rubber, then the adhesive tape after moulding is injected in the mould of vulcanizing equipment, is under the condition of 155 ℃～165 ℃ in temperature, then the 160～200Kgf/cm that pressurizes
2, adhesive tape is carried out sulfidizing, 360～480 seconds time length;
Step 3: aftertreatment and check;
In step 2, the elastomeric material of the lining that sulfidizing is crossed carries out deburring, check, packing, warehouse-in.
6. making automobile control arm lining method according to claim 5, is characterized in that, the hardness in described step 1 is that 68 degree, intensity are that 24MPa, elongation are 520%, and the temperature in described step 2 is 155 ℃, is pressurised into 170Kgf/cm
2, the time length is 480 seconds.
7. making automobile control arm lining method according to claim 5, is characterized in that, the hardness in described step 1 is that 70 degree, intensity are that 23MPa, elongation are 513%, and the temperature in described step 2 is 160, is pressurised into 180Kgf/cm
2, the time length is 420 seconds.
8. making automobile control arm lining method according to claim 5, is characterized in that, the hardness in described step 1 is that 72 degree, intensity are that 22MPa, elongation are 487%, and the temperature in described step 2 is 162 ℃, is pressurised into 190Kgf/cm
2, the time length is 360 seconds.
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| CN2012105529883A CN103131059A (en) | 2012-12-19 | 2012-12-19 | Rubber material and method for manufacturing automobile control arm lining with rubber material |
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| CN105273247A (en) * | 2015-08-18 | 2016-01-27 | 苏州国泰科技发展有限公司 | Automobile control arm bushing rubber material and preparation method |
| CN106046445A (en) * | 2016-08-11 | 2016-10-26 | 安徽中鼎减震橡胶技术有限公司 | Rubber composition for automobile differential linings, and preparation method thereof |
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| CN104945688A (en) * | 2015-06-29 | 2015-09-30 | 安徽中鼎减震橡胶技术有限公司 | Rubber material of large ball pin product for trucks and processing method thereof |
| CN105273247A (en) * | 2015-08-18 | 2016-01-27 | 苏州国泰科技发展有限公司 | Automobile control arm bushing rubber material and preparation method |
| CN105218876A (en) * | 2015-08-25 | 2016-01-06 | 苏州国泰科技发展有限公司 | A kind of preparation method of yielding rubber material and application thereof |
| CN106046445A (en) * | 2016-08-11 | 2016-10-26 | 安徽中鼎减震橡胶技术有限公司 | Rubber composition for automobile differential linings, and preparation method thereof |
| CN106349522A (en) * | 2016-11-04 | 2017-01-25 | 南京利德东方橡塑科技有限公司 | Low-pressure deformation rubber composition as well as preparation method, application and application product thereof |
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| CN108948464A (en) * | 2018-06-22 | 2018-12-07 | 广东丰能环保科技股份有限公司 | A kind of automobile control arm bushing rubber and preparation method thereof |
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Application publication date: 20130605 |