CN110982135A - Oil filler flange gasket and production process thereof - Google Patents
Oil filler flange gasket and production process thereof Download PDFInfo
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- CN110982135A CN110982135A CN201911309730.9A CN201911309730A CN110982135A CN 110982135 A CN110982135 A CN 110982135A CN 201911309730 A CN201911309730 A CN 201911309730A CN 110982135 A CN110982135 A CN 110982135A
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to the technical field of rubber materials, in particular to an oil filler flange gasket and a production process thereof, wherein the oil filler flange gasket comprises the following components in parts by weight: 10-100 parts of ring high acrylonitrile butadiene-acrylonitrile rubber, 1-100 parts of NBR/PVC, 10-100 parts of N550 carbon black, 1-50 parts of dioctyl terephthalate, 1-50 parts of ether ester plasticizer and 8-12 parts of vulcanizing agent.
Description
Technical Field
The invention relates to the technical field of rubber materials, in particular to an oil filler flange gasket and a production process thereof.
Background
The oil filler flange gasket is located at the position of an automobile oil filler, the service temperature is required to be minus 40-100 ℃, ozone resistance is realized, and certain oil-gas contact is realized. Due to special use, the rubber flange gasket is required to have good fuel resistance, weather resistance, tear resistance and resilience, but in the current flange gasket technology, due to the irrational formula, the rubber flange gasket has more defects: the high oil-resistant NBR meets the performance of fuel-resistant FAM B, but because the 100PPHM ozone resistance of the rubber does not meet the requirement, part of using functions are lost in use, and the use of automobiles is seriously influenced.
Based on the above, the invention provides a flange gasket for an oil filling port and a production process thereof, which solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the oil filler flange gasket and the production process thereof, and the gasket has the advantages of reasonable process, excellent oil resistance and weather resistance, good heat resistance, capability of meeting VW2.8.1C60 standard and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the oil filler flange gasket comprises the following components in parts by weight: 10-100 parts of ring high acrylonitrile butadiene-acrylonitrile rubber, 1-100 parts of NBR/PVC, 10-100 parts of N550 carbon black, 1-50 parts of dioctyl terephthalate, 1-50 parts of ether ester plasticizer and 8-12 parts of vulcanizing agent.
Preferably, the oil filler flange gasket comprises the following components in parts by weight: 50-80 parts of ring high acrylonitrile butadiene-acrylonitrile rubber, 35-65 parts of NBR/PVC, 45-65 parts of N550 carbon black, 15-38 parts of dioctyl terephthalate, 18-33 parts of ether ester plasticizer and 8-11 parts of vulcanizing agent
Preferably, the oil filler flange gasket comprises the following components in parts by weight: 70 parts of cycloacrylonitrile butadiene-acrylonitrile rubber, 55 parts of NBR/PVC, 55 parts of N550 carbon black, 26 parts of dioctyl terephthalate, 28 parts of ether ester plasticizer and 10 parts of vulcanizing agent.
Preferably, the vulcanizing agent is prepared from sulfur and metal oxide according to a mass ratio of 1: 1 are mixed.
Preferably, the production process of the flange gasket for the oil filling port comprises the following steps:
s1, cooling the internal mixer by introducing water, putting the high acrylonitrile butadiene-acrylonitrile rubber, NBR/PVC, N550 carbon black and dioctyl terephthalate into the internal mixer, raising the temperature in the internal mixer to 125-135 ℃, carrying out internal mixing for 3-4min, carrying out rubber discharge under the constant temperature condition, discharging sheets on an open rubber mixing mill, and cooling to obtain master batch;
s2, putting the master batch into an internal mixer, uniformly adding an ether ester plasticizer and a vulcanizing agent, heating the temperature in the internal mixer to 145 ℃ for mixing, wherein the mixing time is 5-6min, the standing curing time is 30-40h, the rubber temperature is controlled below 100 ℃ for rubber discharge, and the oil filler flange gasket is obtained by sheet discharging, cooling, standing curing on an open rubber mixing mill.
Preferably, the constant temperature condition in the step S1 is 120-130 ℃.
Preferably, the standing and curing temperature in the step S2 is controlled at 105-110 ℃.
Preferably, the kneading pressure in step S2 is 0.8 to 1.1 MPa.
Has the advantages that:
according to the invention, the high acrylonitrile butadiene-acrylonitrile rubber, NBR/PVC, N550 carbon black, dioctyl terephthalate, ether ester plasticizer and vulcanizing agent are used as raw materials for preparing the flange gasket of the oil filling port, and the prepared flange gasket of the oil filling port has the advantages of excellent fuel oil resistant FAM B performance, ozone resistance and heat resistance, capability of meeting VW2.8.1C60 standard and the like. In addition, the oil filler flange gasket prepared by the invention has the advantages of simple production process, good process effect and good stability, meets the requirement of batch production, and can completely meet the use requirement of customers.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.
Example 1:
the oil filler flange gasket comprises the following components in parts by weight: 10 parts of cycloacrylonitrile butadiene-acrylonitrile rubber, 38 parts of NBR/PVC, 100 parts of N550 carbon black, 1 part of dioctyl terephthalate, 50 parts of ether ester plasticizer and 12 parts of vulcanizing agent.
The vulcanizing agent is prepared from sulfur and metal oxide according to a mass ratio of 1: 1 are mixed.
The production process of the flange gasket for the oil filling port comprises the following steps:
s1, cooling the internal mixer by introducing water, putting the cycloacrylonitrile butadiene-acrylonitrile rubber, the NBR/PVC, the N550 carbon black and the dioctyl terephthalate into the internal mixer, raising the temperature in the internal mixer to 125 ℃, carrying out internal mixing for 4min, carrying out rubber discharge under the constant temperature condition, and carrying out sheet discharging and cooling on an open rubber mixing mill to obtain master batch;
s2, putting the master batch into an internal mixer, uniformly adding an ether ester plasticizer and a vulcanizing agent, heating the temperature in the internal mixer to 145 ℃ for mixing, wherein the mixing pressure is 1.1MPa, the mixing time is 6min, the standing curing time is 40h, the standing curing temperature is controlled to be 105 ℃, the rubber temperature is controlled to be below 100 ℃ for rubber discharge, and the oil filler flange gasket is obtained by sheet discharging, cooling and standing curing on an open rubber mixer.
The constant temperature condition in step S1 was 130 ℃.
Example 2:
the oil filler flange gasket comprises the following components in parts by weight: 35 parts of cycloacrylonitrile butadiene-acrylonitrile rubber, 1 part of NBR/PVC, 10 parts of N550 carbon black, 50 parts of dioctyl terephthalate, 12 parts of ether ester plasticizer and 8 parts of vulcanizing agent.
The vulcanizing agent is prepared from sulfur and metal oxide according to a mass ratio of 1: 1 are mixed.
The production process of the flange gasket for the oil filling port comprises the following steps:
s1, cooling the internal mixer by introducing water, putting the cycloacrylonitrile butadiene-acrylonitrile rubber, the NBR/PVC, the N550 carbon black and the dioctyl terephthalate into the internal mixer, raising the temperature in the internal mixer to 128 ℃, carrying out internal mixing for 3min, carrying out rubber discharge under the constant temperature condition, and carrying out sheet discharging and cooling on an open rubber mixing mill to obtain master batch;
s2, putting the master batch into an internal mixer, uniformly adding an ether ester plasticizer and a vulcanizing agent, heating the temperature in the internal mixer to 130 ℃ for mixing, controlling the mixing pressure to be 0.9MPa, the mixing time to be 5min, standing and curing time to be 30h, controlling the standing and curing temperature to be 108 ℃, controlling the rubber temperature to be below 100 ℃ for rubber discharge, and performing sheet discharging, cooling and standing curing on an open rubber mixer to obtain the flange gasket of the oil filler.
The constant temperature condition in step S1 was 120 ℃.
Example 3:
the oil filler flange gasket comprises the following components in parts by weight: 70 parts of cycloacrylonitrile butadiene-acrylonitrile rubber, 55 parts of NBR/PVC, 55 parts of N550 carbon black, 26 parts of dioctyl terephthalate, 28 parts of ether ester plasticizer and 10 parts of vulcanizing agent.
The vulcanizing agent is prepared from sulfur and metal oxide according to a mass ratio of 1: 1 are mixed.
The production process of the flange gasket for the oil filling port comprises the following steps:
s1, cooling the internal mixer by introducing water, putting the cycloacrylonitrile butadiene-acrylonitrile rubber, the NBR/PVC, the N550 carbon black and the dioctyl terephthalate into the internal mixer, raising the temperature in the internal mixer to 131 ℃, carrying out internal mixing for 3min, carrying out rubber discharge under the constant temperature condition, and carrying out sheet discharging and cooling on an open rubber mixing mill to obtain master batch;
s2, putting the master batch into an internal mixer, uniformly adding an ether ester plasticizer and a vulcanizing agent, heating the temperature in the internal mixer to 136 ℃, mixing, wherein the mixing pressure is 1MPa, the mixing time is 6min, the standing and curing time is 38h, the standing and curing temperature is controlled at 107 ℃, the rubber temperature is controlled below 100 ℃ to discharge rubber, and the oil filler flange gasket is obtained by sheet discharging, cooling and standing and curing on an open rubber mixing machine.
The constant temperature condition in step S1 was 128 ℃.
Example 4:
the oil filler flange gasket comprises the following components in parts by weight: 100 parts of ring high acrylonitrile butadiene-acrylonitrile rubber, 100 parts of NBR/PVC, 68 parts of N550 carbon black, 39 parts of dioctyl terephthalate, 1 part of ether ester plasticizer and 9 parts of vulcanizing agent.
The vulcanizing agent is prepared from sulfur and metal oxide according to a mass ratio of 1: 1 are mixed.
The production process of the flange gasket for the oil filling port comprises the following steps:
s1, cooling the internal mixer by introducing water, putting the cycloacrylonitrile butadiene-acrylonitrile rubber, the NBR/PVC, the N550 carbon black and the dioctyl terephthalate into the internal mixer, raising the temperature in the internal mixer to 135 ℃, carrying out internal mixing for 4min, carrying out rubber discharge under the constant temperature condition, and carrying out sheet discharging and cooling on an open rubber mixing mill to obtain master batch;
s2, putting the master batch into an internal mixer, uniformly adding an ether ester plasticizer and a vulcanizing agent, heating the temperature in the internal mixer to 142 ℃, mixing, wherein the mixing pressure is 0.8MPa, the mixing time is 5min, the standing curing time is 33h, the standing curing temperature is controlled at 110 ℃, the rubber temperature is controlled below 100 ℃ for rubber discharge, and the oil filler flange gasket is obtained by sheet discharging, cooling and standing curing on an open rubber mixer.
The constant temperature condition in step S1 was 123 ℃.
The test data for the oil filler flange gaskets prepared in examples 1-4 of the present invention are as follows:
hardness of 60 +/-5, fuel oil resistance (FAM B oil) of 23 ℃ for 48 h: the hardness is changed from minus 25 to +2, the tensile strength is 4MpaMin, the elongation at break is 125 percent Min, and the weight is changed from 0 to +40 percent; compression set (100 ℃ 24 h/50% compression) 80% Max; 100 ℃ 94H hot air aging: the hardness is changed to 0- +5, the tensile strength is 7MpaMin, and the elongation at break is 175% Min; the ozone resistance was 100pphm 25 ℃ 60% humidity 46H without cracks.
According to the invention, the high acrylonitrile butadiene-acrylonitrile rubber, NBR/PVC, N550 carbon black, dioctyl terephthalate, ether ester plasticizer and vulcanizing agent are used as raw materials for preparing the flange gasket of the oil filling port, and the prepared flange gasket of the oil filling port has the advantages of excellent fuel oil resistant FAM B performance, ozone resistance and heat resistance, capability of meeting VW2.8.1C60 standard and the like. In addition, the oil filler flange gasket prepared by the invention has the advantages of simple production process, good process effect and good stability, meets the requirement of batch production, and can completely meet the use requirement of customers
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The oil filler flange gasket is characterized by comprising the following components in parts by weight: 10-100 parts of ring high acrylonitrile butadiene-acrylonitrile rubber, 1-100 parts of NBR/PVC, 10-100 parts of N550 carbon black, 1-50 parts of dioctyl terephthalate, 1-50 parts of ether ester plasticizer and 8-12 parts of vulcanizing agent.
2. The oil filler flange gasket of claim 1, wherein the composition in parts by weight is: 50-80 parts of ring high acrylonitrile butadiene-acrylonitrile rubber, 35-65 parts of NBR/PVC, 45-65 parts of N550 carbon black, 15-38 parts of dioctyl terephthalate, 18-33 parts of ether ester plasticizer and 8-11 parts of vulcanizing agent.
3. The oil filler flange gasket of claim 1, wherein the composition in parts by weight is: 70 parts of cycloacrylonitrile butadiene-acrylonitrile rubber, 55 parts of NBR/PVC, 55 parts of N550 carbon black, 26 parts of dioctyl terephthalate, 28 parts of ether ester plasticizer and 10 parts of vulcanizing agent.
4. The oil filler flange gasket as claimed in claim 1, wherein the vulcanizing agent is composed of sulfur and metal oxide in a mass ratio of 1: 1 are mixed.
5. The oil filler flange gasket as set forth in claim 1, characterized in that the production process thereof comprises the steps of:
s1, cooling the internal mixer by introducing water, putting the high acrylonitrile butadiene-acrylonitrile rubber, NBR/PVC, N550 carbon black and dioctyl terephthalate into the internal mixer, raising the temperature in the internal mixer to 125-135 ℃, carrying out internal mixing for 3-4min, carrying out rubber discharge under the constant temperature condition, discharging sheets on an open rubber mixing mill, and cooling to obtain master batch;
s2, putting the master batch into an internal mixer, uniformly adding an ether ester plasticizer and a vulcanizing agent, heating the temperature in the internal mixer to 145 ℃ for mixing, wherein the mixing time is 5-6min, the standing curing time is 30-40h, the rubber temperature is controlled below 100 ℃ for rubber discharge, and the oil filler flange gasket is obtained by sheet discharging, cooling, standing curing on an open rubber mixing mill.
6. The production process of the flange gasket for the oil filling port as claimed in claim 5, wherein the production process comprises the following steps: the constant temperature condition in the step S1 is 120-130 ℃.
7. The production process of the flange gasket for the oil filling port as claimed in claim 5, wherein the production process comprises the following steps: the standing and aging temperature in the step S2 is controlled at 105-110 ℃.
8. The production process of the flange gasket for the oil filling port as claimed in claim 5, wherein the production process comprises the following steps: the mixing pressure in the step S2 is 0.8-1.1 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309730.9A CN110982135A (en) | 2019-12-18 | 2019-12-18 | Oil filler flange gasket and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309730.9A CN110982135A (en) | 2019-12-18 | 2019-12-18 | Oil filler flange gasket and production process thereof |
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| CN110982135A true CN110982135A (en) | 2020-04-10 |
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| CN201911309730.9A Pending CN110982135A (en) | 2019-12-18 | 2019-12-18 | Oil filler flange gasket and production process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115651284A (en) * | 2022-10-29 | 2023-01-31 | 日照市鑫威机械配件有限公司 | Nitrile rubber composition with anti-aging and ozone resistance and preparation process thereof |
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| JP2011202092A (en) * | 2010-03-26 | 2011-10-13 | Tokai Rubber Ind Ltd | Elastomer composition for molded article, molded article made of the same, and method for manufacturing the molded article |
| CN106928511A (en) * | 2017-03-21 | 2017-07-07 | 柳州日高汽车减振技术有限责任公司 | A kind of automobile filter air inlet bellows rubber preparing raw material and preparation method thereof |
| CN108752667A (en) * | 2018-05-23 | 2018-11-06 | 嘉兴东升橡塑有限公司 | A kind of transformer sealing element and its production method |
| CN109400984A (en) * | 2018-09-14 | 2019-03-01 | 安徽京鸿密封件技术有限公司 | A kind of new-energy automobile electricity jack dust cover and preparation method thereof |
| JP2019199549A (en) * | 2018-05-16 | 2019-11-21 | Nok株式会社 | Rubber composition and seal material |
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2019
- 2019-12-18 CN CN201911309730.9A patent/CN110982135A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011202092A (en) * | 2010-03-26 | 2011-10-13 | Tokai Rubber Ind Ltd | Elastomer composition for molded article, molded article made of the same, and method for manufacturing the molded article |
| CN106928511A (en) * | 2017-03-21 | 2017-07-07 | 柳州日高汽车减振技术有限责任公司 | A kind of automobile filter air inlet bellows rubber preparing raw material and preparation method thereof |
| JP2019199549A (en) * | 2018-05-16 | 2019-11-21 | Nok株式会社 | Rubber composition and seal material |
| CN108752667A (en) * | 2018-05-23 | 2018-11-06 | 嘉兴东升橡塑有限公司 | A kind of transformer sealing element and its production method |
| CN109400984A (en) * | 2018-09-14 | 2019-03-01 | 安徽京鸿密封件技术有限公司 | A kind of new-energy automobile electricity jack dust cover and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115651284A (en) * | 2022-10-29 | 2023-01-31 | 日照市鑫威机械配件有限公司 | Nitrile rubber composition with anti-aging and ozone resistance and preparation process thereof |
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