CN105949542A - High-temperature-resisting composite rubber damping material - Google Patents
High-temperature-resisting composite rubber damping material Download PDFInfo
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- CN105949542A CN105949542A CN201610598708.0A CN201610598708A CN105949542A CN 105949542 A CN105949542 A CN 105949542A CN 201610598708 A CN201610598708 A CN 201610598708A CN 105949542 A CN105949542 A CN 105949542A
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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
- C08L9/02—Copolymers with acrylonitrile
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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
- 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
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Abstract
The invention discloses a high-temperature-resisting composite rubber damping material which is prepared from, by weight, 100 parts of nitrile rubber, 20-30 parts of chlorinated polyethylene, 4-6 parts of rosin resin, 5-10 parts of calcium carbonate crystal whisker, 5-10 parts of carbon black, 5-8 parts of silicon carbide, 5-8 parts of mineral fiber, 2-4 parts of zirconium dioxide, 2-4 parts of titanium dioxide, 3-6 parts of magnesium oxide, 2-4 parts of aluminum oxide, 2-4 parts of zinc oxide, 1-3 parts of aluminum-zirconium coupling agent, 3-5 parts of ricinoleic acid ester sodium sulfate, 0.5-1.5 parts of crosslinking agent, 1-2 parts of antioxidant and 1-2 parts of accelerant. The high-temperature-resisting composite rubber damping material is reasonable in formula and good in component compatibility, the prepared damping material has the advantages of being large in damping coefficient, high in resilience force, good in high temperature resistance, aging resistance, creep resistance, damping performance and flame resistance and the like, and is applicable to damping products for vehicles and wide in market prospect.
Description
Technical field
The present invention relates to vibration-absorptive material technical field, a kind of high temperature resistant compounded rubber vibration-absorptive material.
Background technology
Along with developing rapidly of modern industry, vibrations and noise have become as the serious problems of every field, and it will drop
Low performance accuracy, affect product quality, shorten life of product, make high-precision instrument cisco unity malfunction, jeopardize safety, make to set
Standby or construction early damage, pollute environment and affect health of human body etc..Therefore, how research absorbs, cuts down vibrations and noise
Become current research direction.Current most widely used shock-dampening method general, maximally effective is to use various anti-vibration articles, especially
Rubber damping product, it can be effectively isolated vibrations and excitaton source, it is also possible to relaxes the vibrations of vibration body, is therefore widely used
The fields such as motor vehicles, railway, household, bridge, athletic protective equipment.
Automobile, as daily a kind of walking-replacing tool, is applied extremely wide in daily life, and automobile is daily travels on public affairs
Lu Shang, encounters various road conditions, thus in vehicle traveling process, the location that especially road conditions are poor, automobile is travelling
Shi Jiyi jolts, so that the life-span of automobile shortens significantly.Therefore, it is extremely necessary for installing damping device on automobile,
Present automobile shock-absorber is to use amortisseur mostly, thus the damping effect of automobile is played greatly by the material of amortisseur
Effect.But existing automobile-used vibration-absorptive material exists, and rubber viscous is big, oil resistivity is poor, technological operation is difficult, product damping performance,
The problems such as ageing-resistant performance, impact resistance and flex fatigue property are poor, cost is higher.
Summary of the invention
The present invention is directed to the problem that existing vibration-absorptive material exists, it is provided that a kind of high temperature resistant, ageing-resistant, mechanical property strong, anti-
Fatigue behaviour is good, wear-resisting, with low cost, the simple and environmentally-friendly nontoxic compounded rubber vibration-absorptive material of preparation technology.
In order to realize object above, the technical solution used in the present invention is as follows:
A kind of high temperature resistant compounded rubber vibration-absorptive material, including the raw material of following parts by weight:
Nitrile rubber 100 parts, chlorinated polyethylene 20-30 part, rosin resin 4-6 part, calcium carbonate crystal whisker 5-10 part, white carbon black 5-10
Part, carborundum 5-8 part, mineral fibres 5-8 part, zirconium dioxide 2-4 part, titanium dioxide 2-4 part, magnesium oxide 3-6 part, aluminium oxide 2-
4 parts, zinc oxide 2-4 part, aluminum-zirconium coupling agent 1-3 part, ricinoleate ester sodium sulfate 3-5 part, cross-linking agent 0.5-1.5 part, antioxidation
Agent 1-2 part and accelerator 1-2 part.
Preferably, the above aluminum-zirconium coupling agent be aluminium methacrylate-zirconium coupling agent, adipic acid aluminum-zirconium coupling agent and
One in aluminium stearate-zirconium coupling agent.
Preferably, the above cross-linking agent is Aronix M 240.
Preferably, the above accelerator is dibenzothiazyl disulfide zinc or PZ.
Preferably, the above vibration-absorptive material also includes copolymer of maleic anhydride and acrylic acid 2-4 part.
Preferably, the above vibration-absorptive material also includes alkyl phenol polyethylene glycol oxide ether 1-2 part；Described alkyl phenol polyoxygenated
Vinyl Ether includes NPE, OPEO and alkylpolyoxyethylene.
Preferably, the above vibration-absorptive material also includes 1-3 part fire retardant；Described fire retardant is APP, Firebrake ZB
In one.
The preparation method of a kind of high temperature resistant compounded rubber vibration-absorptive material, comprises the following steps:
(1) stir mixing: weigh each raw material according to above-mentioned formula, adds high force dispersion blender by each raw material, in temperature is
120-140 DEG C, vacuum be 0.08-0.10Mpa, rotating speed be under 100-300rpm stirring 30-60min, obtain mix raw material；
(2) hot-forming: above-mentioned mixing raw material is added in mold cavity, temperature be 145-165 DEG C, pressure be under 15-20MPa
Hot-forming 3-5min, obtains semifinished product；
(3) microwave combustion method: the semifinished product that step (2) obtains is put into microwave heating equipment and enters at temperature is 140-180 DEG C
Row solidification heat treatment, is cooled to room temperature, obtains high temperature resistant compounded rubber vibration-absorptive material.
Preferably, the above solidification heat treatment is to be incubated 1h, 1.5h and 2h respectively at 140 DEG C, 160 DEG C and 180 DEG C.
Preferably, the heating rate of the above step (3) is 3-5 DEG C/min.
Compared with prior art, the invention have the benefit that
1, the formula of the present invention is nitrile rubber high with oil resistivity, that air-tightness is good, heat-resisting, ageing-resistant and cooperation has excellent
Weather resisteant, ozone heat-resisting, resistance to, ageing-resistant, fire resistance and coloring chlorinated polyethylene rubber as primary raw material, then add
Entering the adjuvants such as calcium carbonate crystal whisker, white carbon black, carborundum, this formula is reasonable, and each component compatibility is good, and the vibration-absorptive material of preparation has resistance
The advantages such as Buddhist nun's coefficient is big, resilience force is high, high temperature resistant, ageing-resistant, creep resistant, damping, fire resistance are good, it is adaptable to automobile-used damping
Goods, market prospect is the most wide.
2, the formula of the present invention is using carborundum as packing material, can not only improve mechanics and the anti-flammability of vibration-absorptive material
Can, moreover it is possible to improve the heat resistance of material..
3, inventive formulation addition mineral fibres is as packing material, is possible not only to improve the mechanical property of vibration-absorptive material,
The anti-wear performance of material can also be improved.
4, the formula of the present invention adds aluminum-zirconium coupling agent, is possible not only to the dispersibility of improvement system and reduces system viscosity,
Improve the adhesion of filler and rubber, improve the mechanical property of vibration-absorptive material, the most also there is the ageing-resistant performance of excellence.
5, the formula of the present invention is additionally added copolymer of maleic anhydride and acrylic acid so that each component compatibility is more preferable, can guarantee that
Vibration-absorptive material has good processing characteristics and mechanical property, can also improve the creep resistance of material simultaneously.
6, the formula of the present invention is additionally added alkyl phenol polyethylene glycol oxide ether, can not only improve the processing characteristics of vibration-absorptive material,
The ageing-resistant performance of material can also be improved.
7, the preparation method of the present invention uses high force dispersion blender to carry out batch mixing, not only low cost, production efficiency height, consumption
Can be low, moreover it is possible to making the mixing of each component more uniform, rubber is more tight with the interface cohesion of other components, and then improves damping
The mechanical property of material.
8, the vibration-absorptive material that the present invention prepares has excellent performance, and wherein the hardness of vibration-absorptive material is 50-60IRHD, draws
Stretch intensity be 25-32MPa, break-draw rate be 350-420%, damped coefficient be 1.15-1.30, rebound degree be 10-12% and heat
Air aging is 100 DEG C, 72h Tensile strength is 20-25MPa.
9, this preparation method use microwave combustion method have energy-conservation, production efficiency is high, homogeneous heating, easily realize automatization control
The advantages such as system, and be incubated in different temperature ranges, reduce the crackle that rubber damping material produces because of thermal expansion.
10, the present invention also has that raw material sources are extensive, with low cost, preparation technology simple, production efficiency advantages of higher, holds
Easily realize industrialized production.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described, but is not limited to protection scope of the present invention.
Embodiment 1
A kind of high temperature resistant compounded rubber vibration-absorptive material, by the raw material of following parts by weight: nitrile rubber 100 parts, chlorinated polyethylene
25 parts, rosin resin 4 parts, calcium carbonate crystal whisker 8 parts, white carbon black 6 parts, carborundum 5 parts, mineral fibres 7 parts, zirconium dioxide 2 parts, dioxy
Change titanium 3 parts, magnesium oxide 5 parts, aluminium oxide 3 parts, zinc oxide 2 parts, aluminium methacrylate-zirconium coupling agent 1 part, ricinoleate ester sulphuric acid
3 parts of sodium, Aronix M 240 cross-linking agent 0.5 part, 1010 antioxidant 1 part and dibenzothiazyl disulfide zinc accelerator 2
Part.
Its preparation method, comprises the following steps:
(1) stir mixing: weigh each raw material according to above-mentioned formula, adds high force dispersion blender by each raw material, is 130 in temperature
DEG C, vacuum be 0.08Mpa, rotating speed be under 300rpm stirring 45min, obtain mix raw material；
(2) hot-forming: above-mentioned mixing raw material is added in mold cavity, temperature be 155 DEG C, pressure be to be hot pressed under 18MPa
Type 3min, obtains semifinished product；
(3) microwave combustion method: the semifinished product that step (2) obtains is put into microwave heating equipment, respectively 140 DEG C, 160 DEG C and
It is incubated 1h, 1.5h and 2h at 180 DEG C to carry out solidifying heat treatment, is cooled to room temperature, obtains high temperature resistant compounded rubber vibration-absorptive material.
Embodiment 2
A kind of high temperature resistant compounded rubber vibration-absorptive material, by the raw material of following parts by weight: nitrile rubber 100 parts, chlorinated polyethylene
20 parts, rosin resin 6 parts, calcium carbonate crystal whisker 5 parts, white carbon black 10 parts, carborundum 7 parts, mineral fibres 5 parts, zirconium dioxide 3 parts, two
Titanium oxide 2 parts, magnesium oxide 6 parts, aluminium oxide 2 parts, zinc oxide 3 parts, aluminium stearate-zirconium coupling agent 2 parts, ricinoleate ester sodium sulfate
4 parts, Aronix M 240 cross-linking agent 1 part, 1076 antioxidant 1.5 parts, copolymer of maleic anhydride and acrylic acid 3 parts and two
Dibenzothiazyl disulfide zinc accelerator 2 parts.
Its preparation method, comprises the following steps:
(1) stir mixing: weigh each raw material according to above-mentioned formula, adds high force dispersion blender by each raw material, is 140 in temperature
DEG C, vacuum be 0.08Mpa, rotating speed be under 300rpm stirring 30min, obtain mix raw material；
(2) hot-forming: above-mentioned mixing raw material is added in mold cavity, temperature be 165 DEG C, pressure be to be hot pressed under 15MPa
Type 3min, obtains semifinished product；
(3) microwave combustion method: the semifinished product that step (2) obtains is put into microwave heating equipment, respectively 140 DEG C, 160 DEG C and
It is incubated 1h, 1.5h and 2h at 180 DEG C to carry out solidifying heat treatment, is cooled to room temperature, obtains high temperature resistant compounded rubber vibration-absorptive material.
Embodiment 3
A kind of high temperature resistant compounded rubber vibration-absorptive material, by the raw material of following parts by weight: nitrile rubber 100 parts, chlorinated polyethylene
30 parts, rosin resin 5 parts, calcium carbonate crystal whisker 7 parts, white carbon black 8 parts, carborundum 6 parts, mineral fibres 8 parts, zirconium dioxide 4 parts, dioxy
Change titanium 2 parts, magnesium oxide 3 parts, aluminium oxide 4 parts, zinc oxide 4 parts, adipic acid aluminum-zirconium coupling agent 3 parts, ricinoleate ester sodium sulfate 5
Part, Aronix M 240 cross-linking agent 1.5 parts, 1076 antioxidant 2 parts, copolymer of maleic anhydride and acrylic acid 2 parts, octyl group
Phenol polyethenoxy ether 2 parts and PZ accelerator 1.5 parts.
Its preparation method, comprises the following steps:
(1) stir mixing: weigh each raw material according to above-mentioned formula, adds high force dispersion blender by each raw material, is 120 in temperature
DEG C, vacuum be 0.10Mpa, rotating speed be under 300rpm stirring 50min, obtain mix raw material；
(2) hot-forming: above-mentioned mixing raw material is added in mold cavity, temperature be 145 DEG C, pressure be to be hot pressed under 20MPa
Type 5min, obtains semifinished product；
(3) microwave combustion method: the semifinished product that step (2) obtains is put into microwave heating equipment, respectively 140 DEG C, 160 DEG C and
It is incubated 1h, 1.5h and 2h at 180 DEG C to carry out solidifying heat treatment, is cooled to room temperature, obtains high temperature resistant compounded rubber vibration-absorptive material.
Embodiment 4
A kind of high temperature resistant compounded rubber vibration-absorptive material, by the raw material of following parts by weight: nitrile rubber 100 parts, chlorinated polyethylene
28 parts, rosin resin 6 parts, calcium carbonate crystal whisker 10 parts, white carbon black 5 parts, carborundum 8 parts, mineral fibres 6 parts, zirconium dioxide 3 parts, two
Titanium oxide 4 parts, magnesium oxide 5 parts, aluminium oxide 2 parts, zinc oxide 3 parts, adipic acid aluminum-zirconium coupling agent 2 parts, ricinoleate ester sodium sulfate
4 parts, Aronix M 240 cross-linking agent 1 part, 1010 antioxidant 1.5 parts, copolymer of maleic anhydride and acrylic acid 4 parts, nonyl
Phenol polyethenoxy ether 1 part, APP 2 parts and PZ accelerator 1.5 parts.
Its preparation method, comprises the following steps:
(1) stir mixing: weigh each raw material according to above-mentioned formula, adds high force dispersion blender by each raw material, is 130 in temperature
DEG C, vacuum be 0.08Mpa, rotating speed be under 100rpm stirring 60min, obtain mix raw material；
(2) hot-forming: above-mentioned mixing raw material is added in mold cavity, temperature be 150 DEG C, pressure be to be hot pressed under 20MPa
Type 5min, obtains semifinished product；
(3) microwave combustion method: the semifinished product that step (2) obtains is put into microwave heating equipment, respectively 140 DEG C, 160 DEG C and
It is incubated 1h, 1.5h and 2h at 180 DEG C to carry out solidifying heat treatment, is cooled to room temperature, obtains high temperature resistant compounded rubber vibration-absorptive material.
Rubber damping material obtained by above-described embodiment 1-4 is according to industry standard test performance, and test is such as following table institute
Show:
| Sample | Hardness (IRHD) | Hot strength (MPa) | Elongation at break (%) | Damped coefficient | Rebound degree (%) | 100 DEG C, 72h Tensile strength (MPa) |
| Embodiment 1 | 58 | 27.4 | 382 | 1.24 | 11.8 | 20.8 |
| Embodiment 2 | 50 | 25.8 | 359 | 1.17 | 10.8 | 21.1 |
| Embodiment 3 | 59 | 31.2 | 416 | 1.29 | 11.1 | 24.7 |
| Embodiment 4 | 56 | 29.5 | 404 | 1.21 | 10.3 | 22.3 |
Drawing from the above, vibration-absorptive material prepared by the present invention has mechanics and damping performance, the wide market of excellence.
Above content is it cannot be assumed that the present invention is embodied as being confined to these explanations, for the technical field of the invention
Those of ordinary skill for, without departing under present inventive concept premise, it is also possible to make some simple deduction or replace, all answer
When being considered as belonging to the scope of patent protection that the present invention is determined by the claims submitted to.
Claims (10)
1. a high temperature resistant compounded rubber vibration-absorptive material, it is characterised in that: include the raw material of following parts by weight:
Nitrile rubber 100 parts, chlorinated polyethylene 20-30 part, rosin resin 4-6 part, calcium carbonate crystal whisker 5-10 part, white carbon black 5-10
Part, carborundum 5-8 part, mineral fibres 5-8 part, zirconium dioxide 2-4 part, titanium dioxide 2-4 part, magnesium oxide 3-6 part, aluminium oxide 2-
4 parts, zinc oxide 2-4 part, aluminum-zirconium coupling agent 1-3 part, ricinoleate ester sodium sulfate 3-5 part, cross-linking agent 0.5-1.5 part, antioxidation
Agent 1-2 part and accelerator 1-2 part.
The most high temperature resistant compounded rubber vibration-absorptive material, it is characterised in that: described aluminum-zirconium coupling agent is first
One in base acrylic acid aluminum-zirconium coupling agent, adipic acid aluminum-zirconium coupling agent and aluminium stearate-zirconium coupling agent.
The most high temperature resistant compounded rubber vibration-absorptive material, it is characterised in that: described cross-linking agent is tetraethylene glycol (TEG) two
Acrylate.
The most high temperature resistant compounded rubber vibration-absorptive material, it is characterised in that: described accelerator is curing two
Benzopyrene zinc or PZ.
The most high temperature resistant compounded rubber vibration-absorptive material, it is characterised in that: described vibration-absorptive material also includes horse
Carry out anhydride-acrylic acid copolymer 2-4 part.
The most high temperature resistant compounded rubber vibration-absorptive material, it is characterised in that: described vibration-absorptive material also includes alkane
Base phenol polyethylene glycol oxide ether 1-2 part；Described alkyl phenol polyethylene glycol oxide ether includes NPE, octyl phenol polyoxy second
Alkene ether and alkylpolyoxyethylene.
The most high temperature resistant compounded rubber vibration-absorptive material, it is characterised in that: described vibration-absorptive material also includes 1-
3 parts of fire retardants；Described fire retardant is the one in APP, Firebrake ZB.
The preparation method of a kind of high temperature resistant compounded rubber vibration-absorptive material the most as claimed in claim 1, it is characterised in that: include following
Step:
Stir mixing: weigh each raw material according to the formula of claim 1, adds high force dispersion blender by each raw material, in temperature
For 120-140 DEG C, vacuum be 0.08-0.10Mpa, rotating speed be stirring 30-60min under 100-300rpm, obtain mixing former
Material；
Hot-forming: above-mentioned mixing raw material is added in mold cavity, temperature be 145-165 DEG C, pressure be heat under 15-20MPa
Molded 3-5min, obtains semifinished product；
Microwave combustion method: the semifinished product that step (2) obtains is put into microwave heating equipment and carries out solid at temperature is 140-180 DEG C
Heat-transformation processes, and is cooled to room temperature, obtains high temperature resistant compounded rubber vibration-absorptive material.
The preparation method of the most high temperature resistant compounded rubber vibration-absorptive material, it is characterised in that: described solidification heat
Process is to be incubated 1h, 1.5h and 2h respectively at 140 DEG C, 160 DEG C and 180 DEG C.
The preparation method of the most high temperature resistant compounded rubber vibration-absorptive material, it is characterised in that: described step
Suddenly the heating rate of (3) is 3-5 DEG C/min.
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| CN201610598708.0A CN105949542A (en) | 2016-07-27 | 2016-07-27 | High-temperature-resisting composite rubber damping material |
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| CN201610598708.0A CN105949542A (en) | 2016-07-27 | 2016-07-27 | High-temperature-resisting composite rubber damping material |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083022A (en) * | 2017-05-23 | 2017-08-22 | 苏州轩朗塑料制品有限公司 | A kind of preparation method of shock absorbing foam plastic material |
| CN107501765A (en) * | 2017-08-31 | 2017-12-22 | 惠州优比贝柠科技股份有限公司 | Color rubber-plastic insulation material |
| CN110218369A (en) * | 2019-05-30 | 2019-09-10 | 刘丹 | A kind of preparation method of the ageing-resistant yielding rubber material of high tenacity |
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| JPH0328233A (en) * | 1989-06-26 | 1991-02-06 | Mitsubishi Rayon Co Ltd | Rubber composite material |
| CN105440340A (en) * | 2015-12-24 | 2016-03-30 | 泾县中小企业生产力促进中心有限公司 | High-temperature-resistant shock-absorption rubber pad for automobile engines |
-
2016
- 2016-07-27 CN CN201610598708.0A patent/CN105949542A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0328233A (en) * | 1989-06-26 | 1991-02-06 | Mitsubishi Rayon Co Ltd | Rubber composite material |
| CN105440340A (en) * | 2015-12-24 | 2016-03-30 | 泾县中小企业生产力促进中心有限公司 | High-temperature-resistant shock-absorption rubber pad for automobile engines |
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| 张军等: ""氯化聚乙烯和丁腈橡胶共混体系的研究"", 《第三届全国橡胶制品技术研讨会论文集》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083022A (en) * | 2017-05-23 | 2017-08-22 | 苏州轩朗塑料制品有限公司 | A kind of preparation method of shock absorbing foam plastic material |
| CN107501765A (en) * | 2017-08-31 | 2017-12-22 | 惠州优比贝柠科技股份有限公司 | Color rubber-plastic insulation material |
| CN110218369A (en) * | 2019-05-30 | 2019-09-10 | 刘丹 | A kind of preparation method of the ageing-resistant yielding rubber material of high tenacity |
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Application publication date: 20160921 |