CN102658607B - Preparation method of rubber material for preparing temperature-resisting and ozone-resisting automobile oil tank gasket - Google Patents
Preparation method of rubber material for preparing temperature-resisting and ozone-resisting automobile oil tank gasket Download PDFInfo
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Abstract
The invention discloses a preparation method of a rubber material for preparing a temperature-resisting and ozone-resisting automobile oil tank gasket. The preparation method comprises the following steps of: (1) supplying water to cool an internal mixer, putting a rubber raw material, a reinforcing filler, a plasticizer, an activating agent, an anti-aging agent and an accelerating agent into the internal mixer, internally mixing, controlling the temperature of rubber to be lower than 130 DEG C for rubber discharging, discharging sheets on an open type rubber mixing machine, and cooling to obtain master batch; and (2) putting the master batch into the internal mixer, uniformly adding a vulcanizing agent, mixing, controlling the temperature of the rubber to be lower than 100 DEG C for rubber discharging, discharging the sheets on the open type rubber mixing machine, cooling, standing, and curing to obtain a temperature-resisting and ozone-resisting rubber material which is used for manufacturing the automobile oil tank gasket and other rubber products. Compared with the prior art, the preparation method has the advantages that the prepared automobile oil tank gasket and other rubber products meet the standards of American Society for Testing Material (ASTM) D2240, ASTM D412, ASTM D573 and ASTM D1171, meet the requirement of an extra low voltage (ELV) instruction and achieve the effects of temperature resistance and ozone resistance through the detection of various mechanical strength indexes and physical and chemical indexes by using the prepared temperature-resisting and ozone-resisting rubber material.
Description
Technical field
The present invention relates to a kind of preparation method of elastomeric material, particularly a kind of preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad for automotive oil tank pad.
Background technology
Heatproof (125 ℃) resistance to ozone (concentration 50PPhm) Performance Ratio of the rubbers such as automotive oil tank pad that existing preparation method makes is lower, cannot meet the demands.
The test data of the automotive oil tank pad rubber that in the prior art, employing elastomeric material (acrylonitrile-butadiene rubber) is made is as follows:
From above-mentioned experimental result, the firmness change of the automotive oil tank pad rubber that existing employing acrylonitrile-butadiene rubber is made, hot strength change, elongation at break changes and ozone resistance is all undesirable; Automotive oil tank pad rubber prepared by prior art exists heatproof, ozone resistance low, is difficult to meet auto industry rubber is increased to requirement day by day.
Therefore, need especially a kind of preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad, to solve the above-mentioned existing problem existing.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad, for the deficiencies in the prior art, make the automotive oil tank pad rubber of made reach raising heatproof ozone resistance, meet the demand that auto industry increases day by day to rubber.
Technical problem solved by the invention can realize by the following technical solutions:
A preparation method for the preparation of the elastomeric material of the heatproof automotive oil tank of resistance to ozone pad, is characterized in that, it comprises the steps:
(1) banbury water flowing is cooling, rubber raw materials, reinforcing filler, plasticizer, activating agent, age resistor and promoter are dropped in banbury and carried out banburying, gelatin temperature control is carried out to binder removal below at 130 ℃, and slice, cooling on opening rubber mixing machine, obtains masterbatch;
(2) masterbatch is dropped in banbury, evenly add vulcanizing agent to carry out mixing, gelatin temperature control is at binder removal below 100 ℃, and slice, cooling and standing slaking on opening rubber mixing machine, obtain for the elastomeric material of manufacturing the resistance to foul smell of heatproof of the rubbers such as automotive oil tank pad.
In one embodiment of the invention, the following component that described elastomeric material comprises percentage by weight: rubber raw materials 60.31%-61.82%, reinforcing filler 18.11%-18.51%, plasticizer 8.74%-9.55% activating agent 3.94%-4.00%, age resistor 4.43%-4.74%, promoter 1.21%-1.24%, sulfuration 1.68%-1.72%.
Further, described rubber raw materials is selected from acrylonitrile-butadiene rubber.
Further, described reinforcing filler is selected from fast extruding furnace black.
Further, described plasticizer is selected from dioctyl phthalate.
Further, described activating agent is selected from zinc oxide or stearic one or several combination.
Further, described age resistor is selected from 2,2,4-trimethyl-1, the combination of one or several of 2-dihyaroquinoline condensate, 2-mercaptobenzimidazole, N-isopropyl-N '-diphenyl-para-phenylene diamine or paraffin.
Further, described promoter is selected from dibenzothiazyl disulfide.
Further, described vulcanizing agent is selected from one or several combination of tetramethylthiuram disulfide or dithiodimorpholine.
In one embodiment of the invention, in above-mentioned steps (1), the operating temperature of banbury is for being greater than 100 ℃, and rotating speed is 32 revs/min, and the banburying used time is 4-5 minute.
In one embodiment of the invention, in above-mentioned steps (2), mixing time is 2 minutes, and the standing curing time is 8-240 hour.
The preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad of the present invention, compared with prior art, prepare the ozone proof elastomeric material of heatproof, make the automotive oil tank pad rubber of made through the detection of every mechanical strength and physical and chemical index, all meet ASTM D2240, ASTM D412, ASTM D573, ASTM D1171 standard, and meet ELV command request, reach and improve heatproof ozone resistance, meet the demand that auto industry increases day by day to rubber, realize object of the present invention.
Feature of the present invention can be consulted the detailed description of following better embodiment and obtain and is well understood to.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below further set forth the present invention.
The preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad of the present invention, it comprises the steps:
(1) banbury water flowing is cooling, rubber raw materials, reinforcing filler, plasticizer, activating agent, age resistor and promoter are dropped in banbury and carried out banburying, gelatin temperature control is carried out to binder removal below at 130 ℃, and slice, cooling on opening rubber mixing machine, obtains masterbatch;
(2) masterbatch is dropped in banbury, evenly add vulcanizing agent to carry out mixing, gelatin temperature control is at binder removal below 100 ℃, and slice, cooling and standing slaking on opening rubber mixing machine, obtain for the elastomeric material of manufacturing the resistance to foul smell of heatproof of the rubbers such as automotive oil tank pad.
In the present invention, the following component that described elastomeric material comprises percentage by weight: rubber raw materials 60.31%-61.82%, reinforcing filler 18.11%-18.51%, plasticizer 8.74%-9.55%, activating agent 3.94%-4.00%, age resistor 4.43%-4.74%, promoter 1.21%-1.24%, vulcanizing agent 1.68%-1.72%.
Wherein, described rubber raw materials is selected from acrylonitrile-butadiene rubber; Described reinforcing filler is selected from fast extruding furnace black; Described plasticizer is selected from dioctyl phthalate; Described activating agent is selected from zinc oxide or stearic one or several combination; Described age resistor is selected from 2,2,4-trimethyl-1, the combination of one or several of 2-dihyaroquinoline condensate, 2-mercaptobenzimidazole, N-isopropyl-N '-diphenyl-para-phenylene diamine or paraffin; Described promoter is selected from dibenzothiazyl disulfide; Described vulcanizing agent is selected from one or several combination of tetramethylthiuram disulfide or dithiodimorpholine, to improve the heat aging property of material.
In the present invention, in above-mentioned steps (1), the operating temperature of banbury is 32 revs/min for being greater than 100 ℃ of rotating speeds, and the banburying used time is 4-5 minute.
In the present invention, in above-mentioned steps (2), mixing time is 2 minutes, and the standing curing time is 8-240 hour.
Embodiment 1
Rubber raw materials: acrylonitrile-butadiene rubber 61.05%;
Reinforcing filler: fast extruding furnace black 18.32%;
Plasticizer: dioctyl phthalate 9.15%;
Activating agent: zinc oxide 3.05%, stearic acid 0.92%;
Age resistor: 2,2,4-trimethyl-1,2-dihyaroquinoline condensate 1.22%, 2-mercaptobenzimidazole 0.92%, N-isopropyl-N '-diphenyl-para-phenylene diamine 1.53%, paraffin 0.92%;
Promoter: dibenzothiazyl disulfide 1.22%;
Vulcanizing agent: tetramethylthiuram disulfide 0.85%, dithiodimorpholine 0.85%;
Specifically comprise the steps:
(1) banbury water flowing is cooling, control banbury operating room temperature for being greater than 100 ℃, rotating speed: 32 revs/min, rubber raw materials in formula and reinforcing filler, plasticizer, activating agent, age resistor, promoter are put in banbury, 4.5 minutes banburying used times, gelatin temperature control is at binder removal below 130 ℃, then slice, cooling on open refining machine, obtain masterbatch, stand-by;
(2) masterbatch is put in banbury, evenly add the vulcanizing agent in formula mixing, 2 minutes mixing used times, gelatin temperature control is at binder removal below 100 ℃, then slice, cooling on opening rubber mixing machine, standing slaking 120 hours, obtains for the ozone proof elastomeric material of heatproof of manufacturing the rubbers such as automotive oil tank pad.
The test number of the automotive oil tank pad rubber of the elastomeric material manufacturing of preparing with the present invention is as follows:
Conclusion: the measured result of goods of the present invention: meet the requirements.
Embodiment 2
Rubber raw materials: acrylonitrile-butadiene rubber 61.82%;
Reinforcing filler: fast extruding furnace black 18.11%;
Plasticizer: dioctyl phthalate 8.74%;
Activating agent: zinc oxide 3.06%, stearic acid 0.88%;
Age resistor: 2,2,4-trimethyl-1,2-dihyaroquinoline condensate 1.19%, 2-mercaptobenzimidazole 0.87%, N-isopropyl-N '-diphenyl-para-phenylene diamine 1.50%, paraffin 0.87%;
Promoter: dibenzothiazyl disulfide 1.24%;
Vulcanizing agent: tetramethylthiuram disulfide 0.86%, dithiodimorpholine 0.86%;
Specifically comprise the steps:
(1) banbury water flowing is cooling, control banbury operating room temperature for being greater than 100 ℃, rotating speed: 32 revs/min, rubber raw materials in formula and reinforcing filler, plasticizer, activating agent, age resistor, promoter are put in banbury, 4 minutes banburying used times, gelatin temperature control is at binder removal below 130 ℃, then slice, cooling on open refining machine, obtain masterbatch, stand-by;
(2) masterbatch is put in banbury, evenly add the vulcanizing agent in formula mixing, 2 minutes mixing used times, gelatin temperature control is at binder removal below 100 ℃, then slice, cooling on opening rubber mixing machine, standing slaking 8 hours, obtains for the ozone proof mixing of rubber material of heatproof of manufacturing the rubbers such as automotive oil tank pad.
The test data of the automotive oil tank pad rubber of the elastomeric material manufacturing of preparing with the present invention is as follows:
Conclusion: the measured result of goods of the present invention: meet the requirements.
Embodiment 3
Rubber raw materials: acrylonitrile-butadiene rubber 60.31%;
Reinforcing filler: fast extruding furnace black 18.51%;
Plasticizer: dioctyl phthalate 9.55%;
Activating agent: zinc oxide 3.04%, stearic acid 0.96%;
Age resistor: 2,2,4-trimethyl-1,2-dihyaroquinoline condensate 1.25%, 2-mercaptobenzimidazole 0.97%, N-isopropyl-N '-diphenyl-para-phenylene diamine 1.55%, paraffin 0.97%;
Promoter: dibenzothiazyl disulfide 1.21%;
Vulcanizing agent: tetramethylthiuram disulfide 0.84%, dithiodimorpholine 0.84%;
Specifically comprise the steps:
(1) banbury water flowing is cooling, control banbury operating room temperature for being greater than 100 ℃, rotating speed: 32 revs/min, rubber raw materials in formula and reinforcing filler, plasticizer, activating agent, age resistor, promoter are put in banbury, 5 minutes banburying used times, gelatin temperature control is at binder removal below 130 ℃, then slice, cooling on open refining machine, obtain masterbatch, stand-by;
(2) masterbatch is put in banbury, evenly add the vulcanizing agent in formula mixing, 2 minutes mixing used times, gelatin temperature control is at binder removal below 100 ℃, then slice, cooling on opening rubber mixing machine, standing slaking 240 hours, obtains for the ozone proof mixing of rubber material of heatproof of manufacturing the rubbers such as automotive oil tank pad.
The test number of the automotive oil tank pad rubber of the elastomeric material manufacturing of preparing with the present invention is as follows:
Conclusion: the measured result of goods of the present invention: meet the requirements.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes 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; these changes and improvements all fall in the claimed scope of the invention, and the claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1. for the preparation of a preparation method for the elastomeric material of the heatproof automotive oil tank of resistance to ozone pad, it is characterized in that, it comprises the steps:
(1) banbury water flowing is cooling, rubber raw materials, reinforcing filler, plasticizer, activating agent, age resistor and promoter are dropped in banbury and carried out banburying, the operating temperature of banbury is for being greater than 100 ℃, rotating speed is 32 revs/min, the banburying used time is 4-5 minute, gelatin temperature control is carried out to binder removal below at 130 ℃, and slice, cooling on opening rubber mixing machine, obtains masterbatch;
(2) masterbatch is dropped in banbury, evenly add vulcanizing agent to carry out mixing, mixing time is 2 minutes, the standing curing time is 8-240 hour, gelatin temperature control is at binder removal below 100 ℃, slice, cooling and standing slaking on opening rubber mixing machine, obtain for the elastomeric material of manufacturing the resistance to foul smell of heatproof of automotive oil tank pad rubber;
The following component that described elastomeric material comprises percentage by weight: rubber raw materials 60.31%-61.82%, reinforcing filler 18.11%-18.51%, plasticizer 8.74%-9.55%, activating agent 3.94%-4.00%, age resistor 4.43%-4.74%, promoter 1.21%-1.24%, vulcanizing agent 1.68%-1.72%.
2. the preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad as claimed in claim 1, is characterized in that, described rubber raw materials is selected from acrylonitrile-butadiene rubber.
3. the preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad as claimed in claim 1, is characterized in that, described reinforcing filler is selected from fast extruding furnace black.
4. the preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad as claimed in claim 1, is characterized in that, described plasticizer is selected from dioctyl phthalate.
5. the preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad as claimed in claim 1, is characterized in that, described activating agent is selected from zinc oxide or stearic one or several combination.
6. the preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad as claimed in claim 1, it is characterized in that, described age resistor is selected from 2,2,4-trimethyl-1, the combination of one or several of 2-dihyaroquinoline condensate, 2-mercaptobenzimidazole, N-isopropyl-N '-diphenyl-para-phenylene diamine or paraffin.
7. the preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad as claimed in claim 1, is characterized in that, described promoter is selected from dibenzothiazyl disulfide.
8. the preparation method of the elastomeric material for the preparation of the heatproof automotive oil tank of resistance to ozone pad as claimed in claim 1, is characterized in that, described vulcanizing agent is selected from one or several combination of tetramethylthiuram disulfide or dithiodimorpholine.
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| CN201210149188.7A CN102658607B (en) | 2012-05-14 | 2012-05-14 | Preparation method of rubber material for preparing temperature-resisting and ozone-resisting automobile oil tank gasket |
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| CN201210149188.7A CN102658607B (en) | 2012-05-14 | 2012-05-14 | Preparation method of rubber material for preparing temperature-resisting and ozone-resisting automobile oil tank gasket |
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| CN102658607B true CN102658607B (en) | 2014-11-12 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103102522B (en) * | 2012-11-14 | 2015-05-06 | 际华三五一五皮革皮鞋有限公司 | Oilproof and wear-resistant sizing material for special environment and preparation method thereof |
| CN103627050B (en) * | 2013-11-20 | 2016-06-08 | 济南开发区星火科学技术研究院 | A kind of nitrile rubber |
| CN103897301A (en) * | 2014-04-01 | 2014-07-02 | 安庆丰源化工有限公司 | Preparation method of fluorine rubber |
| CN109651665A (en) * | 2018-12-14 | 2019-04-19 | 重庆凌峰橡塑制品有限公司 | Fuel tank supporting pad rubber compounding and preparation method |
| CN112029286A (en) * | 2020-09-08 | 2020-12-04 | 南京固工橡塑制品有限公司 | Environment-friendly flame-retardant ozone-resistant anti-aging marine rubber air duct gasket and preparation method thereof |
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| CN101358002A (en) * | 2008-09-12 | 2009-02-04 | 上海众力汽车部件有限公司 | Ozone resistant rubber combination |
| CN101649075A (en) * | 2009-09-17 | 2010-02-17 | 上海众力汽车部件有限公司 | Natural rubber composition with higher comprehensive performance |
| CN101955600A (en) * | 2010-10-20 | 2011-01-26 | 上海众力汽车部件有限公司 | Rubber sealing composite with excellent comprehensive performance and preparation method thereof |
| CN102093644A (en) * | 2010-12-31 | 2011-06-15 | 上海众力汽车部件有限公司 | Ethylene-propylene-diene rubber composition with high comprehensive performance and preparation method thereof |
| CN102229715A (en) * | 2011-05-26 | 2011-11-02 | 宁波市天基汽车部件有限公司 | Preparation method of heat/ozone/compressive deformation resistant rubber material for automobile sealing element |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101358002A (en) * | 2008-09-12 | 2009-02-04 | 上海众力汽车部件有限公司 | Ozone resistant rubber combination |
| CN101649075A (en) * | 2009-09-17 | 2010-02-17 | 上海众力汽车部件有限公司 | Natural rubber composition with higher comprehensive performance |
| CN101955600A (en) * | 2010-10-20 | 2011-01-26 | 上海众力汽车部件有限公司 | Rubber sealing composite with excellent comprehensive performance and preparation method thereof |
| CN102093644A (en) * | 2010-12-31 | 2011-06-15 | 上海众力汽车部件有限公司 | Ethylene-propylene-diene rubber composition with high comprehensive performance and preparation method thereof |
| CN102229715A (en) * | 2011-05-26 | 2011-11-02 | 宁波市天基汽车部件有限公司 | Preparation method of heat/ozone/compressive deformation resistant rubber material for automobile sealing element |
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