CN112625367A - Shock-absorbing water-resistant rubber material for automatic car washer - Google Patents
Shock-absorbing water-resistant rubber material for automatic car washer Download PDFInfo
- Publication number
- CN112625367A CN112625367A CN202011499064.2A CN202011499064A CN112625367A CN 112625367 A CN112625367 A CN 112625367A CN 202011499064 A CN202011499064 A CN 202011499064A CN 112625367 A CN112625367 A CN 112625367A
- Authority
- CN
- China
- Prior art keywords
- parts
- accelerator
- antioxidant
- carbon black
- shock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a shock-absorbing waterproof sizing material for an automatic car washer, which comprises the following components: 100 parts of ethylene propylene diene monomer EPDM, 30-50 parts of carbon black N550, 40-60 parts of carbon black N774, 25-40 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 0.8-1.2 parts of antioxidant RD, 1.3-2.2 parts of other antioxidants, 1.5-2.0 parts of sulfur, 1-1.5 parts of accelerator CBS, 0.6-1.0 part of accelerator DM and 20.6-1.0 part of vulcanizing agent HVA. The invention has excellent water resistance and good shock absorption performance, and is particularly suitable for the field of shock absorption materials with higher requirements on water resistance.
Description
Technical Field
The invention belongs to the field of rubber, and particularly relates to a damping and waterproof rubber material for an automatic car washer.
Background
With the development of the automobile market, the automobile washing market has also been developed greatly, automobile washing has been developed from the previous manual automobile washing to automatic intellectualization, and unattended full-automatic automobile washing machines have appeared in many places. Since the sizing material for car washers contacts a large amount of water for car washing, the water resistance becomes a key index, the requirement for the water resistance is more strict than that of other fields, and the car washers require a certain damping function, so that the development of a sizing material which can satisfy excellent water resistance and damping performance under a long-term condition is an important subject.
Disclosure of Invention
The invention aims to solve the problems and provides a damping waterproof rubber material for an automatic car washer, which has excellent waterproof performance and good damping performance and is particularly suitable for the field of damping materials with higher requirements on waterproof performance.
In order to achieve the purpose, the invention provides the following technical scheme: a shock-absorbing waterproof rubber material for an automatic car washer comprises the following components in parts by weight: 100 parts of ethylene propylene diene monomer EPDM, 30-50 parts of carbon black N550, 40-60 parts of carbon black N774, 25-40 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 0.8-1.2 parts of antioxidant RD, 1.3-2.2 parts of other antioxidants, 1.5-2.0 parts of sulfur, 1-1.5 parts of accelerator CBS, 0.6-1.0 part of accelerator DM and 20.6-1.0 part of vulcanizing agent HVA.
Preferably, the rubber material comprises the following components in parts by weight: 100 parts of EPDM (ethylene-propylene-diene monomer), 30 parts of carbon black N550, 77440 parts of carbon black N77440 parts, 25 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 0.8 part of antioxidant RD, 2.2 parts of other antioxidants, 1.5 parts of sulfur, 1 part of accelerator CBS, 0.6 part of accelerator DM and 20.6 parts of vulcanizing agent HVA.
Preferably, the rubber compound comprises the following components: 100 parts of EPDM (ethylene-propylene-diene monomer), 50 parts of carbon black N550, 60 parts of carbon black N77460, 40 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 1.2 parts of antioxidant RD, 1.3 parts of other antioxidants, 2.0 parts of sulfur, 1.5 parts of accelerator CBS, 1.0 part of accelerator DM and 21.0 parts of vulcanizing agent HVA (hydrogenated nitrile-butadiene rubber).
Preferably, the rubber compound comprises the following components: 100 parts of EPDM (ethylene-propylene-diene monomer), 40 parts of carbon black N550, 50 parts of carbon black N77450, 30 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 1.0 part of antioxidant RD, 1.8 parts of other antioxidants, 1.8 parts of sulfur, 1.2 parts of accelerator CBS, 0.8 part of accelerator DM and 20.8 parts of vulcanizing agent HVA (hydrogenated nitrile butadiene rubber).
Preferably, the other antioxidant is any one of antioxidant DBH, antioxidant H and antioxidant 4010. In particular, it is preferred that the other antioxidant is antioxidant DBH.
The preparation method of the shock-absorbing waterproof rubber material for the automatic car washer comprises the following steps of 1) batching, and preparing raw materials of a rubber material composition according to the formula amount; 2) feeding-master batch mixing; adding the rubber compositions except the accelerant into an internal mixer in sequence according to parts by weight for mixing; 3) standing for vulcanization; 4) adding accelerator for mixing, adding accelerator for vulcanization; 5) cooling, filtering at low temperature, and collecting. The invention adopts a two-stage vulcanization mode in the vulcanization process, thereby greatly shortening the production period.
The invention selects the ethylene propylene diene monomer as a main body, and utilizes a reinforcing and matching system of carbon black N550 and N774 to prepare the rubber material for the car washer, which has good damping effect, excellent water resistance, good physical properties and extremely low cost. The anti-aging agent RD and the anti-aging agent DBH are used together, so that the flex resistance, the cracking resistance and the ozone resistance of the rubber material are improved, and the rubber material is suitable for being applied to damping rubber.
The above technical scheme enables the performance achieved by the invention to be as follows:
hardness: 43-47
The breaking strength is more than or equal to 10MPa
The elongation at break is more than or equal to 500 percent
Tear strength: not less than 30.8kgf/cm
Water resistance of 100 deg.C x 70h
Hardness change: 0-3
Rate of change of tensile strength at break: -5 to 5 percent
Elongation at break change rate: -20 to 20 percent
Volume change rate: less than or equal to 5 percent.
The performance characteristics show that the invention has excellent water resistance and good damping performance, and is particularly suitable for the field of damping materials with higher requirements on water resistance.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples 1 to 4
The preparation method of the shock-absorbing waterproof rubber material for the automatic car washer comprises the following steps of 1) batching, and preparing raw materials of a rubber material composition according to the formula amount; 2) feeding-master batch mixing; adding the rubber compositions except the accelerant into an internal mixer in sequence according to parts by weight for mixing; 3) standing for vulcanization; 4) adding accelerator for mixing, adding accelerator for vulcanization; 5) cooling, filtering at low temperature, and collecting.
The names and proportions of the raw materials in the rubber compound of the invention are shown in Table 1.
TABLE 1
The other antioxidant is antioxidant DBH.
TABLE 2 Properties of the compositions prepared in examples 1 to 4
As can be seen from Table 2, the compound of the present invention has a tensile strength at break of not less than 10MPa, an elongation at break of not less than 500%, a tear strength of not less than 30.8kgf/cm, and excellent basic physical and mechanical properties; meanwhile, the hardness change of the water resistance (100 ℃ is multiplied by 70H) is between 0 and 3, the change rate of the tensile strength at break is between-5 and 5 percent, the change rate of the elongation at break is between-20 and 20 percent, and the volume change rate is less than or equal to 5 percent. The invention has excellent water resistance and strong shock absorption performance, and the comprehensive performance is suitable for being applied to the field of shock absorption materials with higher requirements on water resistance.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The damping waterproof rubber material for the automatic car washer is characterized by comprising the following components in parts by weight: 100 parts of ethylene propylene diene monomer EPDM, 30-50 parts of carbon black N550, 40-60 parts of carbon black N774, 25-40 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 0.8-1.2 parts of antioxidant RD, 1.3-2.2 parts of other antioxidants, 1.5-2.0 parts of sulfur, 1-1.5 parts of accelerator CBS, 0.6-1.0 part of accelerator DM and 20.6-1.0 part of vulcanizing agent HVA.
2. The shock-absorbing water-resistant rubber material for the automatic car washer according to claim 1, which is characterized by comprising the following components in parts by weight: 100 parts of EPDM (ethylene-propylene-diene monomer), 30 parts of carbon black N550, 77440 parts of carbon black N77440 parts, 25 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 0.8 part of antioxidant RD, 2.2 parts of other antioxidants, 1.5 parts of sulfur, 1 part of accelerator CBS, 0.6 part of accelerator DM and 20.6 parts of vulcanizing agent HVA.
3. The shock-absorbing water-resistant rubber compound for the automatic car washer according to claim 1, which is characterized by comprising the following components: 100 parts of EPDM (ethylene-propylene-diene monomer), 50 parts of carbon black N550, 60 parts of carbon black N77460, 40 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 1.2 parts of antioxidant RD, 1.3 parts of other antioxidants, 2.0 parts of sulfur, 1.5 parts of accelerator CBS, 1.0 part of accelerator DM and 21.0 parts of vulcanizing agent HVA (hydrogenated nitrile-butadiene rubber).
4. The shock-absorbing water-resistant rubber compound for the automatic car washer according to claim 1, which is characterized by comprising the following components: 100 parts of EPDM (ethylene-propylene-diene monomer), 40 parts of carbon black N550, 50 parts of carbon black N77450, 30 parts of paraffin oil, 5 parts of zinc oxide, 1 part of stearic acid, 1.0 part of antioxidant RD, 1.8 parts of other antioxidants, 1.8 parts of sulfur, 1.2 parts of accelerator CBS, 0.8 part of accelerator DM and 20.8 parts of vulcanizing agent HVA (hydrogenated nitrile butadiene rubber).
5. The shock-absorbing and water-resistant rubber compound for the automatic car washer as claimed in any one of claims 1 to 4, wherein the other antioxidant is any one of antioxidant DBH, antioxidant H and antioxidant 4010.
6. The shock-absorbing water-resistant rubber compound for the automatic car washers according to claim 1, which is prepared by 1) batching, preparing raw materials of the rubber compound composition according to the formula amount; 2) feeding-master batch mixing; adding the rubber compositions except the accelerant into an internal mixer in sequence according to parts by weight for mixing; 3) standing for vulcanization; 4) adding an accelerator for vulcanization, and adding an accelerator for vulcanization; 5) cooling, filtering at low temperature, and collecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011499064.2A CN112625367A (en) | 2020-12-17 | 2020-12-17 | Shock-absorbing water-resistant rubber material for automatic car washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011499064.2A CN112625367A (en) | 2020-12-17 | 2020-12-17 | Shock-absorbing water-resistant rubber material for automatic car washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112625367A true CN112625367A (en) | 2021-04-09 |
Family
ID=75316613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011499064.2A Pending CN112625367A (en) | 2020-12-17 | 2020-12-17 | Shock-absorbing water-resistant rubber material for automatic car washer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112625367A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104448577A (en) * | 2013-09-17 | 2015-03-25 | 安徽中鼎密封件股份有限公司 | Anti-vibration pad for automobile radiator and preparation method thereof |
| CN106751008A (en) * | 2016-11-17 | 2017-05-31 | 华晨汽车集团控股有限公司 | A kind of rubber composition for car engine compartment insulation mat casing play |
| CN107163411A (en) * | 2017-06-05 | 2017-09-15 | 华晨汽车集团控股有限公司 | A kind of rubber composition for automobile passenger compartment carpet casing play |
-
2020
- 2020-12-17 CN CN202011499064.2A patent/CN112625367A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104448577A (en) * | 2013-09-17 | 2015-03-25 | 安徽中鼎密封件股份有限公司 | Anti-vibration pad for automobile radiator and preparation method thereof |
| CN106751008A (en) * | 2016-11-17 | 2017-05-31 | 华晨汽车集团控股有限公司 | A kind of rubber composition for car engine compartment insulation mat casing play |
| CN107163411A (en) * | 2017-06-05 | 2017-09-15 | 华晨汽车集团控股有限公司 | A kind of rubber composition for automobile passenger compartment carpet casing play |
Non-Patent Citations (1)
| Title |
|---|
| 孙剑波等: "汽车发动机罩盖减震块的研制", 《橡胶工业》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107189236B (en) | Sulfur-vulcanized ethylene propylene diene monomer composition with heat aging resistance and low pressure change, preparation method, application and application product thereof | |
| CN101709120B (en) | Rubber additive and ethylene propylene diene monomer containing same | |
| CN101831093B (en) | Preparation method of protonized ionic liquid modified rubber/inorganic filler composite material | |
| CN108424557B (en) | Diesel-resistant low-pressure-change nitrile rubber material and preparation method thereof | |
| CN108192162B (en) | A kind of Sports shoe sole abrasive rubber and preparation method thereof | |
| CN103201336B (en) | Chloroprene rubber composition and sulfide thereof and formed body | |
| CN109054200B (en) | High-temperature-resistant wear-resistant polymer damping rubber for vehicle, preparation method of high-temperature-resistant wear-resistant polymer damping rubber and preparation method of automobile exhaust pipe lifting lug | |
| CN106674659A (en) | Preparation method of automotive damping rubber | |
| CN112552609A (en) | Insulating flame-retardant ethylene propylene diene monomer rubber material | |
| CN112625367A (en) | Shock-absorbing water-resistant rubber material for automatic car washer | |
| JP3591550B2 (en) | Vulcanizable rubber composition for hot water seal | |
| CN112592543B (en) | Butyl rubber compound for automobile vibration damping element and preparation method thereof | |
| CN114736481A (en) | Gasoline-resistant TPE material | |
| CN103146174A (en) | Environment-friendly epichlorohydrin rubber glue and preparation method thereof | |
| CN106496816A (en) | A kind of rubber composition for connecting flexible pipe for auto sunroof water drain pipe bottom | |
| CN111073068A (en) | Butadiene rubber dust cover and preparation method thereof | |
| CN105419121A (en) | Modified EPDM (Ethylene Propylene Diene Monomer) and preparation method thereof | |
| CN107880413A (en) | Waterproof roll is blended in a kind of haloflex ethylene propylene diene rubber | |
| CN103589104B (en) | A kind of automobile damping product | |
| CN112538220A (en) | Sealing strip sizing material with excellent water resistance | |
| CN115028927B (en) | Ultralow-hardness high-resilience low-pressure-change ethylene propylene diene monomer rubber material and preparation method thereof | |
| CN112608539A (en) | Oil-resistant and heat-resistant rubber hose sizing material | |
| CN109897236B (en) | Double-short-fiber reinforced rubber for automobile engine suspension and preparation method thereof | |
| JPH0551488A (en) | Rubber composition | |
| KR20170061253A (en) | Preparation method nitrile butadiene rubber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210409 |