CN107828091A - Self-lubricating stabilizing bar bushing sizing material and preparation method thereof - Google Patents
Self-lubricating stabilizing bar bushing sizing material and preparation method thereof Download PDFInfo
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- CN107828091A CN107828091A CN201710881819.7A CN201710881819A CN107828091A CN 107828091 A CN107828091 A CN 107828091A CN 201710881819 A CN201710881819 A CN 201710881819A CN 107828091 A CN107828091 A CN 107828091A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/005—Methods for mixing in batches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/41—Elastic mounts, e.g. bushings
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
Abstract
A kind of self-lubricating stabilizing bar bushing sizing material and preparation method thereof, 18 ~ 20 parts of natural rubber, 20 ~ 25 parts of butadiene rubber, pre-dispersed 2 ~ 3 parts of zinc oxide, 0.6 ~ 1 part of age resistor, 0.6 ~ 1 part of anti-aging agent RD, 0.4 ~ 0.7 part of antioxidant MB Z, 95 12 ~ 15 parts of functional stuffing PW, carbon black N33017 ~ 21 part, 3 ~ 4 parts of 5 ~ 8 parts of lubricating grease SH, plasticizer DOS, 0.2 ~ 0.4 part of microwax, 80 1 ~ 1.5 parts of vulcanizing agent S, 80 0.5 ~ 1.0 parts of accelerator CBS, 80 0.4 ~ 0.8 part of accelerant MBT S, 80 0.1 ~ 0.3 part of anti-scorching agent CTP, the parts by weight of dispersant A T B 0.1 ~ 0.3.With the advantages of Static stiffness is high, compression set is good, and processing characteristics is excellent, and fatigue life is long.
Description
Technical field
The present invention relates to the technical field that control automobile turning rolls amplitude structure, it is stable to be specifically related to a kind of self-lubricating
Bushing sizing material and preparation method thereof.
Background technology
Therefore sway bar (also referred to as stabiliser bar) is assembled with most of automobile at present.Sway bar structure is very simple, is one
The U-shaped metal link rod of bar, it is responsible for side-by-side mounting to be chained up.Effect is that when the vehicle is turning, curve inner side suspension is stretched, outside
Side is compressed, and sway bar now plays an antitorque effect to reduce stretching and suppressed range, so as to control the inclination width of vehicle
Degree.
Stabiliser bar two is connected with suspension, and middle part is fixed on subframe by clip and bushing, makes suspension, secondary car
Frame, stabiliser bar connect into an entirety, effectively by turning inclination angle and stress equilibrium to minimum.When inclination is turned,
Excitation is delivered to rubber bushing by pole caused by road surface, and at this moment bushing can bear certain stress and torsional friction, to lining
The performance requirement of set is also higher, and most important is exactly to require that product has sufficiently high Static stiffness, and good compression enough forever becomes
Shape and high and low temperature environment downward driving friction have no abnormal sound and 100,000 kilometers of endurance life.But pure glue lining is typically prepared at present
Hardness can be very high in the case where meeting Static stiffness requirement for the rubber of set, and some reach more than 80shoreA, and such high durometer rubber certainly will
In the presence of because filler too much caused by compression set it is poor, compounding rubber is uneven, vulcanizes processing difficulties, fatigue life is unstable,
The shortcomings of not up to standard.
The content of the invention
The present invention is directed to the above-mentioned deficiency of prior art, there is provided a kind of Static stiffness is high, compression set is good, processing characteristics
It is excellent, the self-lubricating stabilizing bar bushing sizing material of fatigue life length.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：A kind of stable post gasket of self-lubricating high rigidity
Sizing material is covered, the raw material of the sizing material includes：
Preferably, described self-lubricating stabilizing bar bushing sizing material, the raw material of the sizing material include：
The butadiene rubber of the present invention is cis-Isosorbide-5-Nitrae-polybutadiene rubber elastomer, and its molecular flexibility is fabulous, is had excellent
Different lower temperature resistance dynamic anti-wear performance.
The lubricating grease SH of the present invention is fatty acid amide, no matter under the conditions of high and low temperature, there is height to lubricate, light characteristic,
Surface can be persistently precipitate into inside rubber product, forms one layer of lubricating film, lasting lubrication effect is inside and outside provided to product
Fruit, improve wear-resisting fatigue life.
The carbon black N330 of the present invention, its particle surface is smooth, structure is high, belongs to high wear-resistant carbon black, and its reinforcement ability is high；And
And the carbon black N330 of special ratios addition can significantly improve physical and mechanical properties, sizing material Static stiffness and the torsion wearability of sizing material
Energy.
The plasticizer DOS of the present invention, this product is di-n-octyl sebacate, belongs to cold-resistant plasticizer.It is plasticized efficiency and DBS classes
Seemingly, but volatility is low, and water-extraction resistance is good, the low-temperature pliability and excellent durability of product；The addition of plasticizer of the present invention is not
But rubber compounding effect can be improved, moreover it is possible to improve rubber low temperature resistance performance, improve the mobility of sizing material, ensure that vulcanization processing
Processing performance.
The functional stuffing PW-95 of the present invention, is a kind of silane coupler modified sheet silicate nano-powder, it has
High reinforcement, environmental protection, it is scattered the characteristics of.Alternative carbon black uses, and heat is small, and good insulating, price is low, environmental protection by ROHS and
PAHS certifications.Sizing material is not easy incipient scorch, and processing characteristics is good, does not influence curingprocess rate, extends effective storage time of elastomeric compound.This
Product be used for vehicle vibration damping part in, can significantly improve product Static stiffness, reduce dynamic stiffness, reduce heat, improve compression set,
Effectively increase the service life.
Dispersant A T-B (such as card Europe AT-B high-performance rubbers dispersant) used in the present invention, divided in a kind of feature
Releasing agent is dissipated, the dispersion effect of various materials in rubber compounding processing can be improved, and can improves in sizing material molecule respectively into sharing in the benefit
Sliding effect, improve the elasticity and compression set characteristic of sizing material, moreover it is possible to improve sizing material and vulcanizing mobility when processing, the demoulding
Effect is good, does not pollute mould, time saving and energy saving.
The microwax of the present invention is microwax ZF-10.
Another technical problem to be solved by this invention is to provide a kind of above-mentioned self-lubricating high rigidity stabilizer bar bushing glue
The preparation method of material, specific preparation process include：
(1) one section of calendering process
(1.1) first Natural rubber, butadiene rubber BR9000, pre-dispersed zinc oxide are added according to formula rate in banbury
(pre-dispersed zinc oxide master batch ZnO-80), antioxidant BLE-W, anti-aging agent RD, antioxidant MB Z, dispersant A T-B；(1.2) charcoal is added
Black N330, the plasticizer DOS of half, lubricant SH, microwax；(1.3) 150S is kneaded after shutting gallery ports, centre rises
Pressure 1~2 time；(1.4) functional stuffing PW-95, remaining half plasticizer DOS are added again；(1.5) it is kneaded after closing gallery ports,
Centre boosting 4~5 times, is kneaded 300 seconds back glues, 160~170 DEG C of dump temperature；(1.6) and then with mill slice, park
12h one section of elastomeric compound derived above；
(2) two-stage mixing process
(2.1) elastomeric compound of one section of preparation is added on banbury；(2.2) then add vulcanizing agent S-80, CBS-80,
MBTS-80、CTP-80；(2.3) it is kneaded after shutting gallery ports；(2.4) boosting 3~4 times among, are kneaded 120-150 seconds；
(2.5) discharge, 100~110 DEG C of dump temperature；(2.6) and then with mill slice, park to room temperature and obtain end-product.
The advantages of the present invention：
1. the present invention combines specific age resistor by adding lubricating grease SH, functional stuffing PW-95, dispersant A T-B
With the matrix that carbon black and natural rubber, butadiene rubber BR are formed as main lagging material, realize bushing low temperature (-
40-80 DEG C) under still can keep self-lubricating property, be not in abnormal sound, and anti-wear performance is high, improve vehicle comfort level it is excellent
Point.
2. the present invention adds filler twice in being kneaded by first paragraph and two-stage mixing adds sulphur technique, ensure each group of sizing material
Divide fully fusion, dispersion effect is good, while can realize each function and advantage, mutually collaboration so that the sizing material of acquisition has
The advantages of rigidity is high, compression set is good, the resistance to torsional fatigue performance of high/low temperature is good, processing characteristics is good, service life is long.
3. the use of microwax of the present invention can effectively improve the resistance to ozone and heat aging property of material, also, due to
The use of antioxidant BLE-W, anti-aging agent RD and antioxidant MB Z mix and match and special ratios, improve the resistance to flexion of material
Fatigue behaviour, ensure that product while possessing the tensile property and anti-wear performance of high intensity, has good flex fatig resistance concurrently
Performance, increase the service life of product；Microwax can fully merge with natural rubber, butadiene rubber simultaneously, react with each other structure
The overall rigidity and compression set performance of material is improved into specific crystalline structure.
Embodiment
The present invention is described in further detail with reference to embodiments.
Embodiment 1
The raw material of the sizing material of the present embodiment includes：The parts by weight of natural rubber (NR) 19, the parts by weight of butadiene rubber BR 23,
The pre-dispersed parts by weight of zinc oxide ZnO-80 2.5, the parts by weight of antioxidant BLE-W 0.8, the parts by weight of anti-aging agent RD 0.7, age resistor
The parts by weight of MBZ 0.2, the parts by weight of functional stuffing PW-95 13, the parts by weight of high abrasion furnace carbon black N330 20, the weight of lubricating grease SH 6
Part, the parts by weight of plasticizer DOS 3.5, the parts by weight of vulcanizing agent S-80 1, the parts by weight of accelerator CBS -80 0.6, microwax (such as city
Sell microwax or microwax ZF-10) 1.1 parts by weight, the parts by weight of dispersant A T-B 1.1, the weight of accelerant MBT S-80 0.7
Part, the parts by weight of anti-scorching agent CTP -80 0.2.
Specific preparation process includes：
(1) one section of calendering process
(1.1) first Natural rubber, butadiene rubber BR, pre-dispersed zinc oxide are added according to formula rate in banbury
ZnO-80, antioxidant BLE-W, anti-aging agent RD, antioxidant MB Z and dispersant A T-B；(1.2) add carbon black N330, two/
One plasticizer DOS, microwax ZF-10, lubricating grease SH；(1.3) 160S, centre boosting 2 times are kneaded after shutting gallery ports；(1.4)
Add functional stuffing PW-95, remaining half plasticizer DOS；(1.5) close gallery ports to start to be kneaded, centre boosting 4
~5 times, it is kneaded 300-320 second back glues, 165-170 DEG C of dump temperature；(1.6) and then with mill slice, park 12h with
On obtain elastomeric compound；
(2) two-stage mixing process
(2.1) elastomeric compound of one section of preparation is added on banbury；(2.2) then add vulcanizing agent S-80, CBS-80,
MBTS-80、CTP-80；(2.3) it is kneaded after shutting gallery ports；(2.4) boosting 3 times among, are kneaded the 130-135 seconds；(2.5) arrange
Material, 100~110 DEG C of dump temperature；(2.6) and then with mill slice, park to room temperature and obtain end-product.
Embodiment 2
The raw material of the sizing material of the present embodiment includes：The parts by weight of natural rubber (NR) 18, the weights of butadiene rubber BR9000 21
Measure part, the parts by weight of zinc oxide ZnO-80 2, the parts by weight of antioxidant BLE-W 0.6, the parts by weight of anti-aging agent RD 0.6, antioxidant MB Z
0.55 parts by weight, the parts by weight of functional stuffing PW-95 12, the parts by weight of high abrasion furnace carbon black N330 18, the parts by weight of lubricating grease SH 7, increase
Mould the parts by weight of agent DOS 3.5, the parts by weight of vulcanizing agent S-80 1.5, the parts by weight of accelerator CBS -80 0.6, microwax ZF-10 1.2
Parts by weight, the parts by weight of dispersant A T-B 1.1, the parts by weight of accelerant MBT S-80 0.7, anti-scorching agent CTP -80.Preparation method is the same as real
Apply example 1.
Embodiment 3
The raw material of the sizing material of the present embodiment includes：The parts by weight of natural rubber (NR) 20, the parts by weight of butadiene rubber BR 24,
The parts by weight of zinc oxide ZnO-80 3, the parts by weight of antioxidant BLE-W 1, the parts by weight of anti-aging agent RD 0.9, the weights of antioxidant MB Z 0.55
Part is measured, the parts by weight of functional stuffing PW-95 12.6, the parts by weight of high abrasion furnace carbon black N330 18.5, the parts by weight of lubricating grease SH 7.5, is increased
The parts by weight of modeling agent DOS 3.5, the parts by weight of vulcanizing agent S-80 1.2, the parts by weight of accelerator CBS -80 0.8, microwax are for example commercially available micro-
Brilliant wax or microwax ZF-10) 1.1 parts by weight, the parts by weight of dispersant A T-B 1.1, the parts by weight of accelerant MBT S-80 0.7, prevent
The burnt parts by weight of agent CTP-80 0.8.Preparation method is the same as embodiment 1.
Comparative example
Lubricating grease SH and functional stuffing, the other the same as in Example 1 are not added.
Table 1 below is the performance detection data of sample prepared by the embodiment of the present invention：
The 1-3 properties of sample of the embodiment of the present invention of table 1
By above-described embodiment, it can be found that the product of the present invention has, rigidity is high, compression set is low, service life
Long, resistance to torsional fatigue performance is good, the advantages of under low temperature using having no abnormal sound.
Claims (4)
- A kind of 1. self-lubricating stabilizing bar bushing sizing material, it is characterised in that：The raw material of the sizing material includes：The parts by weight of natural rubber 18 ~ 20The parts by weight of butadiene rubber BR9000 20 ~ 25The pre-dispersed parts by weight of zinc oxide 2 ~ 3The parts by weight of antioxidant BLE-W 0.6 ~ 1The parts by weight of anti-aging agent RD 0.6 ~ 1The parts by weight of antioxidant MB Z 0.4 ~ 0.7The parts by weight of functional stuffing PW-95 12 ~ 15The parts by weight of carbon black N330 17 ~ 21The parts by weight of lubricating grease SH 5 ~ 8The parts by weight of plasticizer DOS 3 ~ 4The parts by weight of microwax 0.2 ~ 0.4The parts by weight of vulcanizing agent S-80 1 ~ 1.5The parts by weight of accelerator CBS -80 0.5 ~ 1.0The parts by weight of accelerant MBT S-80 0.4 ~ 0.8The parts by weight of anti-scorching agent CTP -80 0.1 ~ 0.3The parts by weight of dispersant A T-B 0.1 ~ 0.3.
- 2. self-lubricating stabilizing bar bushing sizing material according to claim 1, it is characterised in that：Described self-lubricating stabilizing bar lining Sizing material is covered, the raw material of the sizing material includes：The parts by weight of natural rubber 18 ~ 19The parts by weight of butadiene rubber BR9000 24 ~ 25The pre-dispersed parts by weight of zinc oxide 2.4 ~ 3The parts by weight of antioxidant BLE-W 0.6 ~ 0.8The parts by weight of anti-aging agent RD 0.6 ~ 0.8The parts by weight of antioxidant MB Z 0.5 ~ 0.6The parts by weight of functional stuffing PW-95 12 ~ 13The parts by weight of carbon black N330 18 ~ 20The parts by weight of lubricating grease SH 6 ~ 7The parts by weight of plasticizer DOS 3 ~ 4The parts by weight of microwax 0.2 ~ 0.3The parts by weight of vulcanizing agent S-80 1 ~ 1.2The parts by weight of accelerator CBS -80 0.5 ~ 0.8The parts by weight of accelerant MBT S-80 0.5 ~ 0.8The parts by weight of anti-scorching agent CTP -80 0.1 ~ 0.2The parts by weight of dispersant A T-B 0.2 ~ 0.3.
- 3. self-lubricating stabilizing bar bushing sizing material according to claim 1 or 2, it is characterised in that：Described microwax is micro- Brilliant wax ZF-10.
- A kind of 4. preparation method of self-lubricating stabilizing bar bushing sizing material, it is characterised in that：Specific preparation process includes：（1）One section of calendering process（1.1）In banbury first according to formula rate add natural rubber, butadiene rubber BR9000, antioxidant BLE-W, pre- point Dissipate zinc oxide ZnO-80, anti-aging agent RD, antioxidant MB Z, dispersant A T-B；（1.2）Add carbon black N330, half plasticising Agent DOS, lubricant SH, microwax ZF-10；（1.3）150S, centre boosting 1 ~ 2 time are kneaded after shutting gallery ports；（1.4）Again plus Functional stuffing PW-95, remaining half plasticizer DOS；（1.5）It is kneaded, centre boosting 4 ~ 5 times, is kneaded after closing gallery ports 300 seconds back glues, 160 ~ 170 DEG C of dump temperature；（1.6）Then mill slice is used, parks 12h one section of mixing derived above Glue；（2）Two-stage mixing process（2.1）The elastomeric compound of one section of preparation is added on banbury；（2.2）Then add vulcanizing agent S-80, CBS-80, MBTS-80、CTP-80 ；（2.3）It is kneaded after shutting gallery ports；（2.4）Centre boosting 3 ~ 4 times, is kneaded 120-150 seconds；（2.5） Discharge, 100 ~ 110 DEG C of dump temperature；（2.6）Then mill slice is used, parks to room temperature and obtains end-product.
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| CN201710881819.7A CN107828091A (en) | 2017-09-26 | 2017-09-26 | Self-lubricating stabilizing bar bushing sizing material and preparation method thereof |
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| CN201710881819.7A CN107828091A (en) | 2017-09-26 | 2017-09-26 | Self-lubricating stabilizing bar bushing sizing material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11529901B2 (en) | 2018-09-28 | 2022-12-20 | Ka Group Ag | Grab bar assembly for a vehicle |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11529901B2 (en) | 2018-09-28 | 2022-12-20 | Ka Group Ag | Grab bar assembly for a vehicle |
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Application publication date: 20180323 |