CN105385049A - High performance anti-aging rubber - Google Patents
High performance anti-aging rubber Download PDFInfo
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- CN105385049A CN105385049A CN201511011363.6A CN201511011363A CN105385049A CN 105385049 A CN105385049 A CN 105385049A CN 201511011363 A CN201511011363 A CN 201511011363A CN 105385049 A CN105385049 A CN 105385049A
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- aging
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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
- 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
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- 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
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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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- 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 high performance anti-aging rubber and a preparing method thereof. A unique anti-aging aid and processing aid formula is adopted, and oil-resistant vulcanized rubber with extremely high anti-aging performance is processed. The heat resistance and aging resistance are greatly improved, and under the condition of 150 DEG C*48H, the tensile strength change rate is improved to -4% from original -15% and the elongation at break is improved to -8% from original -20%. The service life of such product is prolonged, by adopting the formula in the invention, the production resource of an enterprise can be greatly saved, and the production cost of the enterprise can be reduced.
Description
Technical field
This invention relates to a kind of cross-linked rubber formula, particularly a kind of high-performance anti-aging rubber.
Background technology
Along with the development of automotive industry, automobile industry is at motor spirit flexible pipe, refueling hose, petrolift, air-conditioning plant O shape circle, and jet apparatus, the aspects such as the sealing material of power piston, valve stem, bent axle, compressor of air conditioner all need to apply to rubber product.The properties of people to automobile proposes more requirement, also therefore to performances such as the oil resistant of rubber, heat-resisting, resistance to various chemical corrosion.Face the phenomenon that elastomeric material is more and more shorter at present, in recent years, the research of oil resistant, anti-aging rubber had become the important topic of development of automobile industry.
Summary of the invention
The object of the invention is to overcome defect of the prior art, provide a kind of high-performance anti-aging rubber and preparation method thereof, the present invention adopts special formulation, can obtain oil resistant, the cross-linked rubber that ageing resistance is high.
The present invention is achieved by the following technical programs.
A kind of high-performance anti-aging rubber, its moiety is as follows according to the mass fraction:
100 parts, carrier EPDM glue
50 parts, sodium carbonate--70 parts
Aromatic hydrocarbon oil 5 parts--10 parts
Anti-aging auxiliary agent 20 parts-30 parts
Processing aid 5 parts-10 parts.
Above-mentioned a kind of high-performance anti-aging rubber, preferably, its moiety is as follows according to the mass fraction:
100 parts, carrier EPDM glue
65 parts, sodium carbonate
Aromatic hydrocarbon oil 7 parts
Anti-aging auxiliary agent 28 parts
Processing aid 9 parts.
Above-mentioned a kind of high-performance anti-aging method for preparing rubber, wherein, described anti-aging auxiliary agent is three [2.4-di-tert-butyl-phenyl] phosphorous acid ester, two (2,4-DI-tert-butylphenol compounds) pentaerythritol diphosphites, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, two or more mixture in β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid.
Above-mentioned a kind of high-performance anti-aging method for preparing rubber, wherein, described carrier EPDM glue is terpolymer EP rubber.
Above-mentioned a kind of high-performance anti-aging method for preparing rubber, wherein, described processing aid is by promotor and vulcanizing agent with 1:2(by quality ratio) mix.
Above-mentioned a kind of high-performance anti-aging method for preparing rubber, wherein, described promotor is one or both the mixture in Vulcanization accelerator TMTD and accelerant CZ.
Above-mentioned a kind of high-performance anti-aging method for preparing rubber, wherein, described vulcanizing agent is one or both the mixture of vulcanizing agent DTDM and vulcanizing agent DTDC.
The present invention adopts a kind of anti-aging auxiliary agent and processing aid formula of uniqueness, is processed in oil resistant, the cross-linked rubber that ageing resistance is high.Heat aging property is very significantly improved, and under the aging condition of 150 DEG C of * 48H, tensile strength velocity of variation rises to-4% by original-15%, and elongation at break velocity of variation rises to-8% by original-20%.Thus extend the work-ing life of this series products.Adopt formula of the present invention greatly can save the resources of production of enterprise, reduce the production cost of enterprise.
Embodiment
Below by way of specific embodiment, the specific embodiment of the present invention is described in further detail.
The carrier EPDM glue used in embodiments of the invention is terpolymer EP rubber.
Embodiment 1
A kind of high-performance anti-aging method for preparing rubber, wherein, preparation process is as follows:
1. prepare promotor, by Vulcanization accelerator TMTD and accelerant CZ in 3:4(in mass ratio) ratio mix, mixing time is 20min, mixes and terminates rear standing 1h, obtain promotor.
2. prepare vulcanizing agent, by vulcanizing agent DTDM and vulcanizing agent DTDC in 3:8(in mass ratio) ratio mix, mixing time is 30min, obtains vulcanizing agent.
3. prepare processing aid, by the promotor prepared and vulcanizing agent with 1:2(by quality ratio) mix, after mixing processing aid.
4. prepare anti-aging auxiliary agent, by three [2.4-di-tert-butyl-phenyl] phosphorous acid ester, two (2,4-DI-tert-butylphenol compounds) pentaerythritol diphosphites, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(3,5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid in 1:2:5:8(in mass ratio) ratio mixing, mixing time is 1h, obtains anti-aging auxiliary agent after mixing terminates.
5. sequentially successively by 65 parts of sodium carbonate, 28 parts of anti-aging auxiliary agents, 9 parts of processing aids, 7 parts of aromatic hydrocarbon oil, 100 parts of carrier EPDM glue drop into Banbury mixer successively, the rotating speed of Banbury mixer is at 28r/min, and the pressure of ram is at 0.5MPaMPa, and mixing time controls at 3.5min, melting temperature controls at 125 DEG C, mill is pressed into the thin slice of 7mm after discharging, be cooled to room temperature, rewinding is deposited again.
High-performance anti-aging rubber prepared by the present embodiment, under the aging condition of 150 DEG C of * 48H, tensile strength velocity of variation is-4%, and elongation at break velocity of variation is-8%.
Embodiment 2
A kind of high-performance anti-aging method for preparing rubber, wherein, preparation process is as follows:
1. prepare processing aid, by Vulcanization accelerator TMTD and vulcanizing agent DTDC with 1:2(by quality ratio) mix, after mixing processing aid.
2. prepare anti-aging auxiliary agent, by three [2.4-di-tert-butyl-phenyl] phosphorous acid ester, two (2,4-DI-tert-butylphenol compounds) pentaerythritol diphosphites in 3:9(in mass ratio) ratio mixing, mixing time is 1.5h, mixing terminate after anti-aging auxiliary agent.
3. sequentially successively by 50 parts of sodium carbonate, 20 parts of anti-aging auxiliary agents, 5 parts of processing aids, 5 parts of aromatic hydrocarbon oil, 100 parts of carrier EPDM glue drop into Banbury mixer successively, the rotating speed of Banbury mixer is at 25r/min, and the pressure of ram is at 0.4MPa, and mixing time controls at 3min, melting temperature controls at 120 DEG C, mill is pressed into the thin slice of 7mm after discharging, be cooled to room temperature, rewinding is deposited again.
High-performance anti-aging rubber prepared by the present embodiment, under the aging condition of 150 DEG C of * 48H, tensile strength velocity of variation is-6%, and elongation at break velocity of variation is-10%.
Embodiment 3
A kind of high-performance anti-aging method for preparing rubber, wherein, preparation process is as follows:
1. prepare processing aid, by accelerant CZ and vulcanizing agent DTDMC with 1:2(by quality ratio) mix, after mixing processing aid.
2. prepare anti-aging auxiliary agent, general, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, β-(3,5-di-tert-butyl-hydroxy phenyl) the positive octadecanol ester of propionic acid in 5:9(in mass ratio) ratio mixing, mixing time is 1.5h, obtains anti-aging auxiliary agent after mixing terminates.
3. sequentially successively by 70 parts of sodium carbonate, 30 parts of anti-aging auxiliary agents, 10 parts of processing aids, 10 parts of aromatic hydrocarbon oil, 100 parts of carrier EPDM glue drop into Banbury mixer successively, the rotating speed of Banbury mixer is at 30r/min, and the pressure of ram is between 0.6MPa, and mixing time controls between 5min, melting temperature controls at 130 DEG C, mill is pressed into the thin slice of 7mm after discharging, be cooled to room temperature, rewinding is deposited again.
High-performance anti-aging rubber prepared by the present embodiment, under the aging condition of 150 DEG C of * 48H, tensile strength velocity of variation is-8%, and elongation at break velocity of variation is-15%.
The present invention adopts a kind of anti-aging auxiliary agent and processing aid formula of uniqueness, is processed in oil resistant, the cross-linked rubber that ageing resistance is high.Heat aging property is very significantly improved, and under the aging condition of 150 DEG C of * 48H, tensile strength velocity of variation rises to-4% by original-15%, and elongation at break velocity of variation rises to-8% by original-20%.Thus extend the work-ing life of this series products.Adopt formula of the present invention greatly can save the resources of production of enterprise, reduce the production cost of enterprise.
Claims (7)
1. a high-performance anti-aging rubber, is characterized in that, its moiety is as follows according to the mass fraction:
100 parts, carrier EPDM glue
50 parts, sodium carbonate--70 parts
Aromatic hydrocarbon oil 5 parts--10 parts
Anti-aging auxiliary agent 20 parts-30 parts
Processing aid 5 parts-10 parts.
2. a kind of high-performance anti-aging rubber as claimed in claim 1, it is characterized in that, its moiety is as follows according to the mass fraction:
100 parts, carrier EPDM glue
65 parts, sodium carbonate
Aromatic hydrocarbon oil 7 parts
Anti-aging auxiliary agent 28 parts
Processing aid 9 parts.
3. a kind of high-performance anti-aging rubber as claimed in claim 1, it is characterized in that, described anti-aging auxiliary agent is three [2.4-di-tert-butyl-phenyl] phosphorous acid ester, two (2,4-DI-tert-butylphenol compounds) pentaerythritol diphosphites, four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, two or more mixture in β-positive octadecanol ester of (3,5-di-tert-butyl-hydroxy phenyl) propionic acid.
4. a kind of high-performance anti-aging rubber as claimed in claim 1, is characterized in that, described carrier EPDM glue is terpolymer EP rubber.
5. a kind of high-performance anti-aging rubber as claimed in claim 1, is characterized in that, described processing aid is by promotor and vulcanizing agent with 1:2(by quality ratio) mix.
6. a kind of high-performance anti-aging rubber as claimed in claim 1, is characterized in that, described promotor is one or both the mixture in Vulcanization accelerator TMTD and accelerant CZ.
7. a kind of high-performance anti-aging rubber as claimed in claim 1, is characterized in that, described vulcanizing agent is one or both the mixture of vulcanizing agent DTDM and vulcanizing agent DTDC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011363.6A CN105385049A (en) | 2015-12-30 | 2015-12-30 | High performance anti-aging rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011363.6A CN105385049A (en) | 2015-12-30 | 2015-12-30 | High performance anti-aging rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105385049A true CN105385049A (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511011363.6A Pending CN105385049A (en) | 2015-12-30 | 2015-12-30 | High performance anti-aging rubber |
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| CN (1) | CN105385049A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3279248A1 (en) * | 2016-08-02 | 2018-02-07 | Toto Ltd. | Stabilized polyolefin resin material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985503A (en) * | 2009-07-28 | 2011-03-16 | 泰州市新晨体育设施材料有限公司 | Pressure-proof, wear-resistant and age-proof ethylene-propylene-diene synthetic rubber and preparation method |
| CN102617939A (en) * | 2012-03-29 | 2012-08-01 | 无锡朴业橡塑有限公司 | High-temperature-resistant sealing gasket for automobiles |
| CN103756074A (en) * | 2013-12-25 | 2014-04-30 | 山东恒宇科技有限公司 | Machining process of rubber |
| CN104262792A (en) * | 2014-09-04 | 2015-01-07 | 青岛市高科专利技术转移平台有限公司 | Improved heat-resistant conveyer belt |
-
2015
- 2015-12-30 CN CN201511011363.6A patent/CN105385049A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985503A (en) * | 2009-07-28 | 2011-03-16 | 泰州市新晨体育设施材料有限公司 | Pressure-proof, wear-resistant and age-proof ethylene-propylene-diene synthetic rubber and preparation method |
| CN102617939A (en) * | 2012-03-29 | 2012-08-01 | 无锡朴业橡塑有限公司 | High-temperature-resistant sealing gasket for automobiles |
| CN103756074A (en) * | 2013-12-25 | 2014-04-30 | 山东恒宇科技有限公司 | Machining process of rubber |
| CN104262792A (en) * | 2014-09-04 | 2015-01-07 | 青岛市高科专利技术转移平台有限公司 | Improved heat-resistant conveyer belt |
Non-Patent Citations (2)
| Title |
|---|
| 唐斌 等编著: "《乙丙橡胶应用技术》", 30 June 2005 * |
| 朱洪法 等编著: "《工业助剂手册》", 30 June 2007 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3279248A1 (en) * | 2016-08-02 | 2018-02-07 | Toto Ltd. | Stabilized polyolefin resin material |
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Application publication date: 20160309 |
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