CN103044786A - Ethylene propylene rubber with high temperature resistance and low compression deformation - Google Patents
Ethylene propylene rubber with high temperature resistance and low compression deformation Download PDFInfo
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- CN103044786A CN103044786A CN201210588217XA CN201210588217A CN103044786A CN 103044786 A CN103044786 A CN 103044786A CN 201210588217X A CN201210588217X A CN 201210588217XA CN 201210588217 A CN201210588217 A CN 201210588217A CN 103044786 A CN103044786 A CN 103044786A
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Abstract
The invention discloses ethylene propylene rubber with high temperature resistance and low compression deformation, which is prepared from the following raw materials in mass part: 30-80 parts of ethylene propylene rubber, 70-20 parts of ethylene propylene terpolymer rubber, 1-3 parts of anti-aging agent, 2.5-5 parts of phenolic resin, 5-8 parts of zinc oxide, 2.5-5 parts of white carbon black, 50-80 parts of carbon black N550, 45-90 parts of carbon black N774, 10-20 parts of paraffin oil, 1-3 parts of Rhine wax, 1-2 parts of polyethylene glycol, 0.5-1 part of stearic acid, 2-4 parts of cross-linking agent, 2 parts of cross-linking addictive and 0.2-0.5 part of accelerating agent. According to the invention, the ethylene propylene rubber and the ethylene propylene terpolymer rubber are used in combination, and co-vulcanization is performed to the ethylene propylene rubber and the ethylene propylene terpolymer rubber by means of adjusting a vulcanization system, so that the requirement for high temperature resistance can be met and the rubber can obtain lower compression permanent deformation; and moreover, the highest use temperature of the ethylene propylene rubber vulcanized by the vulcanization system can achieve 150 DEG C, can resist the temperature of 175 DEG C in short-time or intermittent use, and has good heat resistance, chemical stability and lower compression deformation.
Description
Technical field
The present invention relates to a kind of ethylene-propylene rubber(EPR).
Background technology
Along with the development of rubber industry, the working conditions of rubber item is day by day harsh, has higher requirement to heat-resisting, and the rubber items such as a lot of rubber hoses, sealing member require long-term high temperature resistant 150 ℃.Ethylene-propylene rubber(EPR) has outstanding heat-resisting, anti-superheated vapour, the performances such as anti-ozone, anti-sky Hou Laohua and high insulation, especially heat aging property is good, but the general heatproof of traditional vulcanization system ethylene-propylene rubber(EPR) can reach 125 ℃, and when temperature reached 150 ℃, the compression set of rubber item increased thereupon, to such an extent as to cisco unity malfunction makes it quality problems occur in the long term high temperature use procedure.
Summary of the invention
Technical problem to be solved by this invention provides a kind of tensile strength greater than 12.0Mpa, and tensile yield is greater than 400%.It is stable that sizing material such as injects, extrudes at the technological operation, and high temperature resistant, the low pressure that can finely satisfy the requirement that goods are high temperature resistant to elastomeric material, low pressure becomes condition become ethylene-propylene rubber(EPR).
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of high temperature resistant, low pressure change ethylene-propylene rubber(EPR), made by following mass parts raw material:
Ethylene propylene rubber 30～80;
Terpolymer EP rubber 70～20;
Anti-aging agent 1～3;
Resol 2.5～5;
Zinc oxide 5～8;
White carbon black 2.5～5;
Carbon black N550 50～80;
Carbon black N774 45～90;
Paraffin oil 10～20;
Lay mattress wax 1～3;
Polyoxyethylene glycol 1～2;
Stearic acid 0.5～1;
Linking agent 2～4;
Crosslinking coagent 1.5～2.5;
Promotor 0.2～0.5.
As preferred technical scheme, described ethylene propylene rubber is ethylene propylene rubber K740; Described terpolymer EP rubber is terpolymer EP rubber 5601; Described anti-aging agent is anti-aging agent RD; Described white carbon black is white carbon black HT199; Described paraffin oil is paraffin oil 2280; Described Lay mattress wax is Lay mattress wax UNTILUS654; Described polyoxyethylene glycol is polyoxyethylene glycol PEG4000; Described linking agent is crosslink agent DCP; Described crosslinking coagent is crosslinking coagent TAIC; Described promotor is promotor TRA.
Owing to adopted technique scheme, adopt ethylene propylene rubber and terpolymer EP rubber and usefulness, by adjusting vulcanization system so that ethylene propylene rubber and terpolymer EP rubber covulcanization, can reach resistant to elevated temperatures requirement, and sizing material has obtained lower compression set, adopt its maximum operation (service) temperature of ethylene-propylene rubber(EPR) of vulcanization system sulfuration can arrive 150 ℃, short-term or intermittently use can anti-175 ℃ high temperature, vulcanizate has good thermotolerance, chemical stability and low compression set, adopt white carbon black and resol, improved the processing fluidity of sizing material.
Embodiment
The present invention adopts white carbon black and resol, can improve the processing fluidity of sizing material.Adopt carbon black N550 and carbon black N774 and usefulness, tenderizer is selected paraffin oil.Ethylene propylene rubber K740 selects Dutch DSM N. V. product; Terpolymer EP rubber 5601 is selected the Exxon Mobil Chemicals; Paraffin oil 2280 is selected Beijing Ai Dier chemical company product; Carbon black N550 selects Colombia's chemical company product; Carbon black N774 selects Colombia's chemical company product.
Described high temperature resistant, low pressure change ethylene-propylene rubber(EPR) has good material property, and tensile strength is greater than 12.0Mpa, and tensile yield is greater than 400%.It is stable that sizing material such as injects, extrudes at the technological operation, thereby can finely satisfy requirement high temperature resistant to elastomeric material, that low pressure becomes condition.Specific embodiment is as follows:
Embodiment one:
| Sequence number | Component | Consumption (mass parts) |
| 1 | Ethylene propylene rubber K740 | 80 |
| 2 | Terpolymer EP rubber 5601 | 20 |
| 3 | Anti-aging agent RD | 1 |
| 4 | Resol | 2.5 |
| 5 | Zinc oxide | 5 |
| 6 | White carbon black HT199 | 5 |
| 7 | Carbon black N550 | 60 |
| 8 | Carbon black N774 | 50 |
| 9 | Paraffin oil 2280 | 10 |
| 10 | Lay mattress wax UNTILUS654 | 3 |
| 11 | Polyoxyethylene glycol PEG4000 | 2 |
| 12 | Stearic acid | 0.5 |
| 13 | Crosslink agent DCP | 4 |
| 14 | Crosslinking coagent TAIC | 2 |
| 15 | Promotor TRA | 0.2 |
150 ℃ * 70h of hot air aging performance: changes in hardness+2;
Tensile strength velocity of variation+5.6%;
Tensile yield velocity of variation-6.7%;
150 ℃ * 22h of compression set is 11.52%.
Embodiment two:
| Sequence number | Component | Consumption (mass parts) |
| 1 | Ethylene propylene rubber K740 | 70 |
| 2 | Terpolymer EP rubber 5601 | 30 |
| 3 | Anti-aging agent RD | 2 |
| 4 | Resol | 2.5 |
| 5 | Zinc oxide | 5 |
| 6 | White carbon black HT199 | 5 |
| 7 | Carbon black N550 | 60 |
| 8 | Carbon black N774 | 50 |
| 9 | Paraffin oil 2280 | 10 |
| 10 | Lay mattress wax UNTILUS654 | 3 |
| 11 | Polyoxyethylene glycol PEG4000 | 2 |
| 12 | Stearic acid | 0.5 |
| 13 | Crosslink agent DCP | 2.5 |
| 14 | Crosslinking coagent TAIC | 2 |
| 15 | Promotor TRA | 0.2 |
150 ℃ * 70h of hot air aging performance: changes in hardness+6;
Tensile strength velocity of variation+8.2%;
Tensile yield velocity of variation-7.46%;
150 ℃ * 22h of compression set is 13.46%.
Embodiment three:
| Sequence number | Component | Consumption (mass parts) |
| 1 | Ethylene propylene rubber K740 | 50 |
| 2 | Terpolymer EP rubber 5601 | 50 |
| 3 | Anti-aging agent RD | 2 |
| 4 | Resol | 2.5 |
| 5 | Zinc oxide | 5 |
| 6 | White carbon black HT199 | 5 |
| 7 | Carbon black N550 | 55 |
| 8 | Carbon black N774 | 45 |
| 9 | Paraffin oil 2280 | 10 |
| 10 | Lay mattress wax UNTILUS654 | 3 |
| 11 | Polyoxyethylene glycol PEG4000 | 2 |
| 12 | Stearic acid | 0.5 |
| 13 | Crosslink agent DCP | 3.5 |
| 14 | Crosslinking coagent TAIC | 2 |
| 15 | Promotor TRA | 0.2 |
150 ℃ * 70h of hot air aging performance: changes in hardness+5;
Tensile strength velocity of variation+6.41%;
Tensile yield velocity of variation-7.82%;
150 ℃ * 22h of compression set is 15.22%.
Embodiment four:
| Sequence number | Component | Consumption (mass parts) |
| 1 | Ethylene propylene rubber K740 | 40 |
| 2 | Terpolymer EP rubber 5601 | 60 |
| 3 | Anti-aging agent RD | 2 |
| 4 | Resol | 2.5 |
| 5 | Zinc oxide | 5 |
| 6 | White carbon black HT199 | 5 |
| 7 | Carbon black N550 | 65 |
| 8 | Carbon black N774 | 55 |
| 9 | Paraffin oil 2280 | 10 |
| 10 | Lay mattress wax UNTILUS654 | 3 |
| 11 | Polyoxyethylene glycol PEG4000 | 2 |
| 12 | Stearic acid | 0.5 |
| 13 | Crosslink agent DCP | 3 |
| 14 | Crosslinking coagent TAIC | 2 |
| 15 | Promotor TRA | 0.2 |
150 ℃ * 70h of hot air aging performance: changes in hardness+4;
Tensile strength velocity of variation+8.64%;
Tensile yield velocity of variation-9.68%;
150 ℃ * 22h of compression set is 16.43%.
Embodiment five:
| Sequence number | Component | Consumption (mass parts) |
| 1 | Ethylene propylene rubber K740 | 30 |
| 2 | Terpolymer EP rubber 5601 | 70 |
| 3 | Anti-aging agent RD | 2 |
| 4 | Resol | 2.5 |
| 5 | Zinc oxide | 5 |
| 6 | White carbon black HT199 | 5 |
| 7 | Carbon black N550 | 65 |
| 8 | Carbon black N774 | 50 |
| 9 | Paraffin oil 2280 | 10 |
| 10 | Lay mattress wax UNTILUS654 | 3 |
| 11 | Polyoxyethylene glycol PEG4000 | 2 |
| 12 | Stearic acid | 0.5 |
| 13 | Crosslink agent DCP | 2.5 |
| 14 | Crosslinking coagent TAIC | 2 |
| 15 | Promotor TRA | 0.2 |
150 ℃ * 70h of hot air aging performance: changes in hardness+6;
Tensile strength velocity of variation+8.76%;
Tensile yield velocity of variation-9.43%;
150 ℃ * 22h of compression set is 17.25%.
Adopt ethylene propylene rubber and terpolymer EP rubber and usefulness, by adjusting vulcanization system so that ethylene propylene rubber and terpolymer EP rubber covulcanization, can reach resistant to elevated temperatures requirement, and sizing material has obtained lower compression set, adopt its maximum operation (service) temperature of ethylene-propylene rubber(EPR) of vulcanization system sulfuration can arrive 150 ℃, short-term or intermittently use can anti-175 ℃ high temperature, vulcanizate has good thermotolerance, chemical stability and low compression set, adopt white carbon black and resol, improved the processing fluidity of sizing material.
High temperature resistant, the low pressure sex change of elastomeric material can be satisfied product to the performance requriements of sizing material.Have following characteristics: (1) sizing material has excellent heatproof air aging performance; (2) sizing material can satisfy the low compression set performance.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (10)
1. high temperature resistant a, low pressure becomes ethylene-propylene rubber(EPR), it is characterized in that being made by following mass parts raw material:
Ethylene propylene rubber 30～80;
Terpolymer EP rubber 70～20;
Anti-aging agent 1～3;
Resol 2.5～5;
Zinc oxide 5～8;
White carbon black 2.5～5;
Carbon black N550 50～80;
Carbon black N774 45～90;
Paraffin oil 10～20;
Lay mattress wax 1～3;
Polyoxyethylene glycol 1～2;
Stearic acid 0.5～1;
Linking agent 2～4;
Crosslinking coagent 1.5～2.5;
Promotor 0.2～0.5.
2. a kind of high temperature resistant, low pressure as claimed in claim 1 becomes ethylene-propylene rubber(EPR), and it is characterized in that: described ethylene propylene rubber is ethylene propylene rubber K740.
3. a kind of high temperature resistant, low pressure as claimed in claim 2 becomes ethylene-propylene rubber(EPR), and it is characterized in that: described terpolymer EP rubber is terpolymer EP rubber 5601.
4. a kind of high temperature resistant, low pressure as claimed in claim 1 becomes ethylene-propylene rubber(EPR), and it is characterized in that: described anti-aging agent is anti-aging agent RD.
5. a kind of high temperature resistant, low pressure as claimed in claim 1 becomes ethylene-propylene rubber(EPR), and it is characterized in that: described white carbon black is white carbon black HT199.
6. a kind of high temperature resistant, low pressure as claimed in claim 1 becomes ethylene-propylene rubber(EPR), and it is characterized in that: described paraffin oil is paraffin oil 2280.
7. a kind of high temperature resistant, low pressure as claimed in claim 1 becomes ethylene-propylene rubber(EPR), and it is characterized in that: described Lay mattress wax is Lay mattress wax UNTILUS654.
8. a kind of high temperature resistant, low pressure as claimed in claim 1 becomes ethylene-propylene rubber(EPR), and it is characterized in that: described polyoxyethylene glycol is polyoxyethylene glycol PEG4000.
9. a kind of high temperature resistant, low pressure as claimed in claim 1 becomes ethylene-propylene rubber(EPR), and it is characterized in that: described linking agent is crosslink agent DCP; Described crosslinking coagent is crosslinking coagent TAIC.
10. such as described a kind of high temperature resistant, the low pressure change ethylene-propylene rubber(EPR) of arbitrary claim in the claim 1 to 9, it is characterized in that: described promotor is promotor TRA.
Priority Applications (1)
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| CN201210588217XA CN103044786A (en) | 2012-12-29 | 2012-12-29 | Ethylene propylene rubber with high temperature resistance and low compression deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210588217XA CN103044786A (en) | 2012-12-29 | 2012-12-29 | Ethylene propylene rubber with high temperature resistance and low compression deformation |
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|---|---|
| CN103044786A true CN103044786A (en) | 2013-04-17 |
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| CN201210588217XA Pending CN103044786A (en) | 2012-12-29 | 2012-12-29 | Ethylene propylene rubber with high temperature resistance and low compression deformation |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497428A (en) * | 2013-09-03 | 2014-01-08 | 江苏荣昌机械制造集团有限公司 | EPDM rubber with low compressive deformation and high elasticity |
| CN104072888A (en) * | 2014-06-23 | 2014-10-01 | 李雪红 | Ethylene propylene rubber |
| CN104312018A (en) * | 2014-11-12 | 2015-01-28 | 天津昕中和胶业有限公司 | Cover compound for heat-resistant conveyor belt |
| CN104650465A (en) * | 2014-12-17 | 2015-05-27 | 浙江科达利实业有限公司 | EPDM/EPM engine synthetic brake fluid and expansion resistance rubber material and manufacturing process thereof |
| CN104974433A (en) * | 2014-04-12 | 2015-10-14 | 天津滨海新区大港汇丰汽车装饰有限公司 | Method of producing rubber through co-polymerization of ethylene propylene diene monomer and ethylene propylene monomer |
| CN105255021A (en) * | 2015-11-04 | 2016-01-20 | 四川大学 | High-intensity and low-compression-permanent-deformation rubber material and preparation method of high-intensity and low-compression permanent deformation rubber material |
| CN106947168A (en) * | 2017-05-16 | 2017-07-14 | 南昌航空大学 | A kind of preparation method of ethylene propylene diene rubber |
| CN107090133A (en) * | 2017-06-23 | 2017-08-25 | 南京金三力高分子科技有限公司 | A kind of automobile radiator systems seal EP rubbers material and its production method |
| CN107141615A (en) * | 2017-05-26 | 2017-09-08 | 山东威普斯橡胶股份有限公司 | A kind of EPDM conveying band joints rubber cement |
| CN107189236A (en) * | 2017-06-28 | 2017-09-22 | 南京利德东方橡塑科技有限公司 | Sulfur cross-linking EPT rubber composition, preparation method, purposes and its application product that a kind of heat-proof aging, low pressure become |
| CN107446245A (en) * | 2017-07-21 | 2017-12-08 | 厦门市金汤橡塑有限公司 | Elastomeric material that a kind of cooperated with LED uses and preparation method thereof |
| CN108164837A (en) * | 2017-12-14 | 2018-06-15 | 宁海建新胶管有限公司 | A kind of radiator tube inner layer material of heat resistant and preparation method thereof |
| CN108178879A (en) * | 2017-12-14 | 2018-06-19 | 宁海建新胶管有限公司 | A kind of radiator tube cladding material of heat resistant and preparation method thereof |
| CN108610562A (en) * | 2018-04-28 | 2018-10-02 | 南京金三力高分子科技有限公司 | A kind of low pressure becomes high temperature resistant EP rubbers material and preparation method thereof |
| CN112159565A (en) * | 2020-09-25 | 2021-01-01 | 河北友联橡胶制品有限公司 | Preparation method of high-temperature-resistant hot-water-resistant rubber |
| CN113024958A (en) * | 2021-03-16 | 2021-06-25 | 无锡百年通工业输送有限公司 | High-elongation rubber for joints and preparation method thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103497428B (en) * | 2013-09-03 | 2015-04-08 | 江苏荣昌机械制造集团有限公司 | EPDM rubber with low compressive deformation and high elasticity |
| CN103497428A (en) * | 2013-09-03 | 2014-01-08 | 江苏荣昌机械制造集团有限公司 | EPDM rubber with low compressive deformation and high elasticity |
| CN104974433A (en) * | 2014-04-12 | 2015-10-14 | 天津滨海新区大港汇丰汽车装饰有限公司 | Method of producing rubber through co-polymerization of ethylene propylene diene monomer and ethylene propylene monomer |
| CN104072888A (en) * | 2014-06-23 | 2014-10-01 | 李雪红 | Ethylene propylene rubber |
| CN104312018A (en) * | 2014-11-12 | 2015-01-28 | 天津昕中和胶业有限公司 | Cover compound for heat-resistant conveyor belt |
| CN104650465A (en) * | 2014-12-17 | 2015-05-27 | 浙江科达利实业有限公司 | EPDM/EPM engine synthetic brake fluid and expansion resistance rubber material and manufacturing process thereof |
| CN105255021A (en) * | 2015-11-04 | 2016-01-20 | 四川大学 | High-intensity and low-compression-permanent-deformation rubber material and preparation method of high-intensity and low-compression permanent deformation rubber material |
| CN106947168A (en) * | 2017-05-16 | 2017-07-14 | 南昌航空大学 | A kind of preparation method of ethylene propylene diene rubber |
| CN107141615A (en) * | 2017-05-26 | 2017-09-08 | 山东威普斯橡胶股份有限公司 | A kind of EPDM conveying band joints rubber cement |
| CN107090133A (en) * | 2017-06-23 | 2017-08-25 | 南京金三力高分子科技有限公司 | A kind of automobile radiator systems seal EP rubbers material and its production method |
| CN107189236A (en) * | 2017-06-28 | 2017-09-22 | 南京利德东方橡塑科技有限公司 | Sulfur cross-linking EPT rubber composition, preparation method, purposes and its application product that a kind of heat-proof aging, low pressure become |
| CN107446245A (en) * | 2017-07-21 | 2017-12-08 | 厦门市金汤橡塑有限公司 | Elastomeric material that a kind of cooperated with LED uses and preparation method thereof |
| CN108164837A (en) * | 2017-12-14 | 2018-06-15 | 宁海建新胶管有限公司 | A kind of radiator tube inner layer material of heat resistant and preparation method thereof |
| CN108178879A (en) * | 2017-12-14 | 2018-06-19 | 宁海建新胶管有限公司 | A kind of radiator tube cladding material of heat resistant and preparation method thereof |
| CN108610562A (en) * | 2018-04-28 | 2018-10-02 | 南京金三力高分子科技有限公司 | A kind of low pressure becomes high temperature resistant EP rubbers material and preparation method thereof |
| CN112159565A (en) * | 2020-09-25 | 2021-01-01 | 河北友联橡胶制品有限公司 | Preparation method of high-temperature-resistant hot-water-resistant rubber |
| CN113024958A (en) * | 2021-03-16 | 2021-06-25 | 无锡百年通工业输送有限公司 | High-elongation rubber for joints and preparation method thereof |
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Application publication date: 20130417 |