CN108948449A - A kind of super-low-hardness high-damping rubber composite material and preparation method, application - Google Patents
A kind of super-low-hardness high-damping rubber composite material and preparation method, application Download PDFInfo
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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
- C08L7/00—Compositions of natural rubber
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- C—CHEMISTRY; METALLURGY
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- 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
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract
The invention discloses a kind of super-low-hardness high-damping rubber composite materials, in parts by weight, including 100 parts of rubber body, 5-40 parts of reinforcing agent, 10-50 parts of plasticizer, 0.5-3 parts of vulcanizing agent, 2-5 parts of vulcanization accelerator, 3-17 parts of activating agent, 2-6 parts of anti-aging agent and 5-50 parts of high-damping additive.The super-low-hardness high-damping rubber composite material that the present invention is prepared has good physical mechanical property, also there are high damping properties while it is with super-low-hardness, the technical requirements of EN15129-2009 and GB/T 20688 " rubber support part 2: bridge seismic isolation rubber support " are able to satisfy, can be widely used for the multiple fields such as LNG storage tank, bridge, building, historical relic shock insulation, nuclear power station shock insulation.
Description
Technical field
The invention belongs to rubber materials more particularly to a kind of rubber composite material and preparation method thereof, application.
Background technique
It is the trend of energy development using natural gas, with the increase of environmentally friendly dynamics, its usage amount increases year by year, therefore LNG
The construction demand of storage tank is very large.The core element of LNG storage tank damping first is that rubber support, and such product design requirement
Modulus of shearing low (rubber material hardness is lower, and the modulus of shearing for preparing product is smaller), damping capacity are high, and rubber material design is difficult
It spends larger.The rubber material that low shear modulus is used in architectural vibration-insulation support, can be such that the displacement of building lags, and reduce and use
The vibration of building due to caused by mechanical oscillation in the process, and there is better energy dissipation under big displacement.High-damping rubber
Material can generate biggish energy dissipation, as damping capacity under the action of extraneous vibration, and vibration pair can be effectively reduced
It is endangered caused by bridge, building.
The damping capacity of rubber can be improved in addition damping additive, and conventional high-damping additive is special due to having crystallization
Property, it is used in rubber material, rubber material hardness is be easy to cause to increase, designed relative to common low-hardness rubber material formula
Higher plasticizer consumption is then needed, the decline of sizing material processing performance be easy to cause rubber compounding uniformity to decline, the rubber of preparation
Bearing product rubber layer is easy that adhesion failure occurs with ironware, while also will cause rubber material performance and declining to a great extent.In addition, having
Document report using the good rubber of damping as main gel, such as BIIR, IIR, poly-norbornene rubber, but BIIR,
IIR, poly-norbornene rubber comprehensive performance are undesirable, and price is higher, obtain channel difficulty, the market competitiveness of rubber product
It is very low.
Therefore, a kind of low cost, super-low-hardness, high-damping rubber composite material how to be prepared and has become design difficulty.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the shortcomings of to mention in background above technology and defect, one kind is provided
Low cost, super-low-hardness, high-damping rubber composite material, and preparation method and application are accordingly provided.To solve above-mentioned technology
Problem, technical solution proposed by the present invention are as follows:
A kind of super-low-hardness high-damping rubber composite material, in parts by weight, including 100 parts of rubber body, reinforcing agent 5-
40 parts, 10-50 parts of plasticizer, 0.5-3 parts of vulcanizing agent, 2-5 parts of vulcanization accelerator, 3-17 parts of activating agent, 2-6 parts of anti-aging agent and height
Additive 5-50 parts of damping.
In above-mentioned super-low-hardness high-damping rubber composite material, it is preferred that the high-damping additive is hindered phenol, is obstructed
Amine damping agent.It is furthermore preferred that the high-damping additive is that fluid damping additive or fluid damping additive and powder hinder
The mixture of Buddhist nun's additive.It is further preferred that the fluid damping additive be fluid damping additive HW-250 (colourless extremely
Weak yellow liquid), (N- phenylaniline and 2, the reaction product of 4,4- trimethylpentenes are clear to fluid damping additive HW-5057
Clear amber color liquid), one of fluid damping additive TH-1135 (colourless or weak yellow liquid) or a variety of；The powder
Damping additive is that powder damps additive 1010 (white crystalline powder), powder damps (the white solid powder of additive 1098
End), in powder damping additive A O-80 (white powder) and powder damping additive 245 (white or this white crystalline powder)
It is one or more；
Wherein, the chemical structural formula of the fluid damping additive HW-250 are as follows:
The chemical structural formula of the fluid damping additive HW-5057 are as follows:
The chemical structural formula of the fluid damping additive TH-1135 are as follows:
The chemical structural formula of the powder damping additive 1010 are as follows:
The chemical structural formula of the powder damping additive 1098 are as follows:
The chemical structural formula of the powder damping additive A O-80 are as follows:
The chemical structural formula of the powder damping additive 245 are as follows:
In above-mentioned super-low-hardness high-damping rubber composite material, it is preferred that the high-damping additive adds for fluid damping
Add agent HW-250, parts by weight are 10 parts；Or the high-damping additive is fluid damping agent TH-1135, powder damping addition
The mixture of agent 1010 and powder damping additive A O-80, dosage is 10 parts；Or the high-damping additive is liquid resistance
The mixture of Buddhist nun's additive HW-250 and powder damping additive 1010, dosage is 20 parts；Or the high-damping additive
The mixture that additive 1010 is damped for fluid damping additive HW-250, fluid damping additive TH-1135 and powder, is used
Amount is respectively 15 parts, 10 parts and 20 parts.
In above-mentioned super-low-hardness high-damping rubber composite material, it is preferred that the rubber body is for isoprene rubber or naturally
At least one of rubber.Isoprene rubber or natural rubber are mechanical compared to BIIR, IIR, poly-norbornene rubber comprehensive physical
Performance is more excellent, cost is cheaper, is more readily available, and the price of finally obtained product is lower, more has market competition
Power.In addition, isoprene rubber or natural rubber comprehensive performance are best, as can the design of natural rubber damping material is completed, to subsequent work
Skill is implemented etc. extremely advantageous etc..
In above-mentioned super-low-hardness high-damping rubber composite material, it is preferred that the reinforcing agent be N330, N774, N219,
CaCO3One or more of；The plasticizer is at least one of soybean oil, naphthenic oil or aromatic naphtha；The vulcanizing agent
For sulphur；The vulcanization accelerator is accelerator DM and accelerator CZ；The activating agent is stearic acid and zinc oxide；
The anti-aging agent is anti-aging agent RD, antioxidant 4010NA, antioxidant 4020.
As a general technical idea, the present invention also provides a kind of above-mentioned super-low-hardness high-damping rubber composite materials
Preparation method, comprising the following steps:
(1) by rubber body, reinforcing agent, plasticizer, activating agent, anti-aging agent and high-damping additive put into mixer in into
Row mixing, then the slice on opening rubber mixing machine, it is cooling, obtain masterbatch；
(2) masterbatch is put on opening rubber mixing machine, vulcanizing agent and vulcanization accelerator is added, after mixing park
Reason obtains rubber compound, then rubber compound heating vulcanizing treatment is obtained rubber composite material.
In above-mentioned preparation method, it is preferred that the temperature of the mixing is 120-140 DEG C, and the time for parking processing is not
Less than for 24 hours, the temperature of the vulcanizing treatment is 140-160 DEG C, time 15-30min.
As a general technical idea, the present invention also provides a kind of above-mentioned super-low-hardness high-damping rubber composite materials
Using.It can be widely used for the multiple fields such as LNG storage tank, bridge, building, historical relic shock insulation, nuclear power station shock insulation.Conventional rubber materials
Hardness generally in 60Shore A or so, in 30Shore A or so design, difficulty is very big.Generally pass through the addition of plasticizer
Or realized by reinforcing agent reduction, the substantial increase of plasticizer increases calendering process difficulty, shows as the more roll releases of oil, reinforcement
Agent reduction causes intensity to be greatly reduced, and vulcanized rubber mechanical property declines to a great extent.
It is hindered phenol, hindered amines damping agent, resistance that the present invention is preferably added to high-damping additive in rubber composite material
Buddhist nun's agent state is that liquid or solid/liquid is used in compounding, and damping mechanism is to utilize the hydrogen formed between hydroxyl/amido in damping agent
Key fracture and recombination, to reach damping.Fluid damping additive can be independent, or is used in combination with powder damping additive, can subtract
The use of few plasticizer, can be prepared the super-low-hardness high-damping rubber material of different damping requirement.
The present invention is preferably added to Hinered phenols, hindered amines fluid damping additive, liquid resistance in rubber composite material
Contain a large amount of hydroxyl, amido in Buddhist nun's additive molecule chain, a large amount of hydrogen bond can be formed in rubber material, hydrogen bond content
Increase, can assign rubber material good damping.In addition, since fluid damping additive is non-crystalline substances,
Addition can play softening, (fluid damping additive has the effect of certain plasticising to the effect of plasto-rubber material, but is plasticized
Effect is strong not as good as soybean oil, naphthenic oil or aromatic naphtha), the hardness of rubber material can be reduced, super-low-hardness rubber compounding is avoided
A large amount of additions of middle plasticizer, while guaranteeing rubber material damping capacity.In addition, the use of fluid damping additive, Neng Goubao
Demonstrate,proving designed rubber material has excellent mechanical performances, this is that other auxiliary agents are difficult to reach.
The present invention is suitble to formula by choosing, and can get Shore A hardness 25-35, equivalent damping ratio 5-30%'s is ultralow
Hardness high-damping rubber material.Super-low-hardness high-damping rubber composite material in the present invention is particularly suitable for modulus of shearing
The LNG storage tank laminated rubber bases of 0.3-0.4MPa, while the neck such as be also applied for bridge, building, historical relic shock insulation, nuclear power station shock insulation
Domain.
Compared with the prior art, the advantages of the present invention are as follows:
1, the super-low-hardness high-damping rubber composite material that the present invention is prepared has good physical mechanical property,
Also there are high damping properties while with super-low-hardness, be able to satisfy EN15129-2009 and the " rubber support the 2nd of GB/T 20688
Part: bridge seismic isolation rubber support " technical requirements, can be widely used for LNG storage tank, bridge, building, historical relic shock insulation, nuclear power station
The multiple fields such as shock insulation.
2, preparation method of the present invention is simple, and raw material is easy to get, low in cost.
Specific embodiment
To facilitate the understanding of the present invention, present invention work more comprehensively, is meticulously described below in conjunction with preferred embodiment,
But the protection scope of the present invention is not limited to the following specific embodiments.
Unless otherwise defined, all technical terms used hereinafter and the normally understood meaning of those skilled in the art
It is identical.Technical term used herein is intended merely to the purpose of description specific embodiment, is not intended to the limitation present invention
Protection scope.
Unless otherwise specified, various raw material, reagent, the instrument and equipment etc. used in the present invention can pass through city
Field is commercially available or can be prepared by existing method.
Embodiment 1:
A kind of super-low-hardness high-damping rubber composite material, in parts by weight, including 100 parts of natural rubber, stearic acid 2
Part, N33015 parts of reinforcing agent, 10 parts of soybean oil, 1 part of anti-aging agent RD, 2 parts of antioxidant 4010NA, 1 part of antioxidant 4020, oxidation
3 parts of zinc, 2 parts of vulcanizing agent sulphur, 1 part of accelerator DM, 2 parts of accelerator CZ, fluid damping additive HW-25010
Part.
The preparation method of above-mentioned super-low-hardness high-damping rubber composite material the following steps are included:
(1) by natural rubber, stearic acid, reinforcing agent N330, soybean oil, anti-aging agent RD, antioxidant 4010NA, anti-aging agent
4020, zinc oxide, fluid damping additive HW-250 put into the mixing at 120 DEG C in mixer, then on opening rubber mixing machine
Slice, it is cooling, obtain masterbatch；
(2) masterbatch is put on opening rubber mixing machine, vulcanizing agent sulphur, accelerator DM and vulcanization accelerator is added
CZ parks rubber compound derived above for 24 hours after mixing, then rubber compound heating vulcanizing treatment is obtained rubber composite material,
Wherein, the temperature of vulcanizing treatment is 150 DEG C, time 20min.
The rubber composite material that the present embodiment is prepared, is tested according to GB/T528 method, and vulcanized rubber hardness is
28Shore A, tensile strength 22.9MPa, elongation at break 573%.0.5Hz, 100% are pressed using dynamic rate testing machine
Deformation, 23 DEG C tested, the modulus of shearing of rubber composite material is 0.30MPa, equivalent damping ratio 14%.The present embodiment system
Standby obtained super-low-hardness high-damping rubber composite material can be widely used for LNG storage tank, bridge, building, historical relic shock insulation, nuclear power station
The multiple fields such as shock insulation.
Comparative example 1:
A kind of rubber composite material, in parts by weight, including 100 parts of natural rubber, 2 parts of stearic acid, reinforcing agent N33015
Part, 10 parts of soybean oil, 1 part of anti-aging agent RD, 2 parts of antioxidant 4010NA, 1 part of antioxidant 4020,3 parts of zinc oxide, vulcanizing agent sulphur
2 parts of sulphur, 1 part of accelerator DM, 2 parts of accelerator CZ, powder damps 101010 parts of additive.
The preparation method is the same as that of Example 1 for above-mentioned high-damping rubber composite material.
The rubber composite material that the present embodiment is prepared, is tested according to GB/T528 method, and vulcanized rubber hardness is
39Shore A, tensile strength 21.3MPa, elongation at break 450%.0.5Hz, 100% are pressed using dynamic rate testing machine
Deformation, 23 DEG C tested, the modulus of shearing of rubber composite material is 0.46MPa, equivalent damping ratio 15%.
Embodiment 2:
A kind of super-low-hardness high-damping rubber composite material, in parts by weight, including 100 parts of isoprene rubber, stearic acid 2
Part, N33015 parts of reinforcing agent, 10 parts of aromatic naphtha, 1 part of anti-aging agent RD, 2 parts of antioxidant 4010NA, 1 part of antioxidant 4020, oxidation
3 parts of zinc, 2 parts of vulcanizing agent sulphur, 1 part of accelerator DM, 2 parts of accelerator CZ, fluid damping agent addition agent TH-
113510 parts, powder damps 101010 parts of additive, and powder damps additive A O-8010 parts.
The preparation method is the same as that of Example 1 for above-mentioned super-low-hardness high-damping rubber composite material.
The rubber composite material that the present embodiment is prepared, is tested according to GB/T528 method, and vulcanized rubber hardness is
31Shore A, tensile strength 20.1MPa, elongation at break 510%.0.5Hz, 100% are pressed using dynamic rate testing machine
Deformation, 23 DEG C tested, the modulus of shearing of rubber composite material is 0.35MPa, equivalent damping ratio 23%.The present embodiment system
Standby obtained super-low-hardness high-damping rubber composite material can be widely used for LNG storage tank, bridge, building, historical relic shock insulation, nuclear power station
The multiple fields such as shock insulation.
Embodiment 3:
A kind of super-low-hardness high-damping rubber composite material, in parts by weight, including 100 parts of isoprene rubber, stearic acid 2
Part, N33025 parts of reinforcing agent, 10 parts of aromatic naphtha, 1 part of anti-aging agent RD, 2 parts of antioxidant 4010NA, 1 part of antioxidant 4020, oxidation
3 parts of zinc, 2 parts of vulcanizing agent sulphur, 1 part of accelerator DM, 2 parts of accelerator CZ, fluid damping additive HW-25020
Part, powder damps 101020 parts of additive.
The preparation method is the same as that of Example 1 for above-mentioned super-low-hardness high-damping rubber composite material.
The rubber composite material that the present embodiment is prepared, is tested according to GB/T528 method, and vulcanized rubber hardness is
33Shore A, tensile strength 24.1MPa, elongation at break 564%.0.5Hz, 100% are pressed using dynamic rate testing machine
Deformation, 23 DEG C tested, the modulus of shearing of rubber composite material is 0.37MPa, equivalent damping ratio 26%.The present embodiment system
Standby obtained super-low-hardness high-damping rubber composite material can be widely used for LNG storage tank, bridge, building, historical relic shock insulation, nuclear power station
The multiple fields such as shock insulation.
Embodiment 4:
A kind of super-low-hardness high-damping rubber composite material, in parts by weight, including 80 parts of isoprene rubber, natural rubber 20
Part, 2 parts of stearic acid, 5 parts of aromatic naphtha, N33025 parts of reinforcing agent, 1 part of anti-aging agent RD, 2 parts of antioxidant 4010NA, anti-aging agent
40201 parts, 3 parts of zinc oxide, 2 parts of vulcanizing agent sulphur, 1 part of accelerator DM, 2 parts of accelerator CZ, fluid damping adds
Add HW-25015 parts of agent, TH-113510 parts of fluid damping additive, powder damps 101020 parts of additive.
The preparation method is the same as that of Example 1 for above-mentioned super-low-hardness high-damping rubber composite material.
The rubber composite material that the present embodiment is prepared, is tested according to GB/T528 method, and vulcanized rubber hardness is
35Shore A, tensile strength 22.1MPa, elongation at break 532%.0.5Hz, 100% are pressed using dynamic rate testing machine
Deformation, 23 DEG C tested, the modulus of shearing of rubber composite material is 0.40MPa, equivalent damping ratio 31%.The present embodiment system
Standby obtained super-low-hardness high-damping rubber composite material can be widely used for LNG storage tank, bridge, building, historical relic shock insulation, nuclear power station
The multiple fields such as shock insulation.
Claims (10)
1. a kind of super-low-hardness high-damping rubber composite material, which is characterized in that in parts by weight, including 100 parts of rubber body,
5-40 parts of reinforcing agent, 10-50 parts of plasticizer, 0.5-3 parts of vulcanizing agent, 2-5 parts of vulcanization accelerator, 3-17 parts of activating agent, anti-aging agent
2-6 parts and 5-50 parts of high-damping additive.
2. super-low-hardness high-damping rubber composite material according to claim 1, which is characterized in that the high-damping addition
Agent is hindered phenol, hindered amines damping agent.
3. super-low-hardness high-damping rubber composite material according to claim 2, which is characterized in that the high-damping addition
Agent is the mixture that fluid damping additive or fluid damping additive and powder damp additive.
4. super-low-hardness high-damping rubber composite material according to claim 3, which is characterized in that the fluid damping adds
Add agent for one in fluid damping additive HW-250, fluid damping additive HW-5057, fluid damping additive TH-1135
Kind is a variety of；The powder damping additive is that powder damps additive 1010, powder damps additive 1098, powder damping adds
Agent AO-80 and powder is added to damp one of additive 245 or a variety of；
Wherein, the chemical structural formula of the fluid damping additive HW-250 are as follows:
The chemical structural formula of the fluid damping additive HW-5057 are as follows:
The chemical structural formula of the fluid damping additive TH-1135 are as follows:
The chemical structural formula of the powder damping additive 1010 are as follows:
The chemical structural formula of the powder damping additive 1098 are as follows:
The chemical structural formula of the powder damping additive A O-80 are as follows:
The chemical structural formula of the powder damping additive 245 are as follows:
5. super-low-hardness high-damping rubber composite material according to claim 4, which is characterized in that the high-damping addition
Agent is fluid damping additive HW-250, and parts by weight are 10 parts；
Or the high-damping additive is fluid damping agent TH-1135, powder damps additive 1010 and powder damps additive
The mixture of AO-80, dosage are 10 parts；
Or the high-damping additive is the mixture that fluid damping additive HW-250 and powder damp additive 1010, is used
Amount is 20 parts；
Or the high-damping additive is that fluid damping additive HW-250, fluid damping additive TH-1135 and powder damp
The mixture of additive 1010, dosage are respectively 15 parts, 10 parts and 20 parts.
6. super-low-hardness high-damping rubber composite material according to any one of claims 1-5, which is characterized in that described
Rubber body is at least one of isoprene rubber or natural rubber.
7. super-low-hardness high-damping rubber composite material according to any one of claims 1-5, which is characterized in that described
Reinforcing agent is N330, N774, N219, CaCO3One or more of；The plasticizer is soybean oil, naphthenic oil or aromatic naphtha
At least one of；The vulcanizing agent is sulphur；The vulcanization accelerator is accelerator DM and accelerator CZ；It is described
Activating agent is stearic acid and zinc oxide；The anti-aging agent is anti-aging agent RD, antioxidant 4010NA, antioxidant 4020.
8. a kind of preparation method of such as super-low-hardness high-damping rubber composite material of any of claims 1-7,
It is characterized in that, comprising the following steps:
(1) it will be carried out in rubber body, reinforcing agent, plasticizer, activating agent, anti-aging agent and high-damping additive investment mixer close
Refining, then the slice on opening rubber mixing machine, it is cooling, obtain masterbatch；
(2) masterbatch is put on opening rubber mixing machine, vulcanizing agent and vulcanization accelerator is added, parks handle after mixing
Rubber composite material is obtained to rubber compound, then by rubber compound heating vulcanizing treatment.
9. preparation method according to claim 8, which is characterized in that the temperature of the mixing is 120-140 DEG C, described to stop
The time for putting processing is no less than for 24 hours, and the temperature of the vulcanizing treatment is 140-160 DEG C, time 15-30min.
10. a kind of as what preparation method of any of claims 1-7 or as claimed in claim 8 or 9 obtained surpasses
The application of soft high-damping rubber composite material.
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| CN110885479A (en) * | 2019-12-19 | 2020-03-17 | 安徽微威胶件集团有限公司 | Special rubber for building shock insulation support and preparation method thereof |
| CN115142481A (en) * | 2022-07-28 | 2022-10-04 | 武汉铁路职业技术学院 | Railway discontinuous vibration isolator |
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| CN110776584B (en) * | 2019-11-05 | 2021-07-06 | 株洲时代新材料科技股份有限公司 | Damping additive, high-performance rubber material prepared from damping additive and preparation method of high-performance rubber material |
| CN110885479A (en) * | 2019-12-19 | 2020-03-17 | 安徽微威胶件集团有限公司 | Special rubber for building shock insulation support and preparation method thereof |
| CN115142481A (en) * | 2022-07-28 | 2022-10-04 | 武汉铁路职业技术学院 | Railway discontinuous vibration isolator |
| CN116218104A (en) * | 2023-03-11 | 2023-06-06 | 浙江圆通新材料有限公司 | Preparation method of graphene-based fluororubber sealing ring for plasma-resistant semiconductor |
| CN116218104B (en) * | 2023-03-11 | 2024-06-04 | 浙江圆通新材料有限公司 | Preparation method of graphene-based fluororubber sealing ring for plasma-resistant semiconductor |
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