CN104140620A - Fluororubber special for chemical pump sealing ring and preparation method thereof - Google Patents
Fluororubber special for chemical pump sealing ring and preparation method thereof Download PDFInfo
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- CN104140620A CN104140620A CN201410346080.6A CN201410346080A CN104140620A CN 104140620 A CN104140620 A CN 104140620A CN 201410346080 A CN201410346080 A CN 201410346080A CN 104140620 A CN104140620 A CN 104140620A
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- chemical pump
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Abstract
The invention relates to fluororubber special for a chemical pump sealing ring and a preparation method thereof. The fluororubber comprises, by weight, 40-55 parts of sticky fluorine rubber with high Mooney viscosity, 45-60 parts of sticky fluorine rubber with low Mooney viscosity, 5-12 parts of 150 magnesium oxide, 6-13 parts of calcium hydroxide, 2.5-4.5 parts of N990 carbon black, 2-4 parts of spraying carbon black, 14-20 parts of barium sulfate, 0.5-1.5 parts of brazilian wax, 0.3-0.9 part of fluorinated wax, 0.1-0.6 part of brightening agents and 1-1.6 parts of vulcanizing agents in a mixing manner. According to the fluororubber special for the chemical pump sealing ring, raw materials are easy to obtain, the preparation process is simple, the fluororubber is not prone to aging or fracturing, the service life is greatly prolonged, and use safety is guaranteed.
Description
Technical field
The present invention relates to special-purpose viton of a kind of chemical pump sealing-ring and preparation method thereof, belong to rubber technology field.
Background technology
Viton is a kind of resilient material with good characteristic, having characteristic and the good physicalies such as good high temperature resistant, radiation hardness, oil resistant, resistance to solvent, corrosion-resistant, drug-resistant, powerful oxidation corrosion resistance agent, is the best glue kind of harsh Working environment lower seal, sebific duct and the rubber cushions etc. such as oil resistant.In prior art, the complete processing of viton is conventionally more complicated, and fluorine glue is of a great variety, selects fluorine glue kind improper in the course of processing, and the unreasonable meeting of filling a prescription causes the aging of sealing-ring, thereby has greatly limited its promotion and application.
Summary of the invention
The object of the invention is to overcome defect of the prior art, special-purpose viton of a kind of chemical pump sealing-ring and preparation method thereof is provided, can effectively prevent from selecting fluorine glue kind improper in the course of processing, the unreasonable meeting of filling a prescription causes the aging of sealing-ring, thereby has greatly limited its promotion and application.
The present invention is achieved by following technical scheme.
Special-purpose viton of a kind of chemical pump sealing-ring and preparation method thereof, by mixing the forming of component of following mass fraction:
The special-purpose viton of above-mentioned chemical pump sealing-ring, wherein, preferred, its moiety is as follows by massfraction:
The special-purpose viton of above-mentioned chemical pump sealing-ring, wherein, the sticky fluorine glue of described wealthy family is the ternary fluorine glue of 120 mooney viscosities, is purchased from Shanghai Sanaifu New Material Co., Ltd.
The special-purpose viton of above-mentioned chemical pump sealing-ring, wherein, the ternary fluorine glue that the sticky fluorine glue of described low door is 50 mooney viscosities, is purchased from Shanghai Sanaifu New Material Co., Ltd.
Above-mentioned a kind of chemical pump viton seal ring formula, wherein, described 150 magnesium oxide, are purchased from Japanese consonance company.
The special-purpose viton of above-mentioned chemical pump sealing-ring, wherein, described brightening agent is 2818, is purchased from Shanghai Sanaifu New Material Co., Ltd.
The special-purpose viton of above-mentioned chemical pump sealing-ring, wherein, described vulcanizing agent is BPP, bis-phenol is purchased from Zigong, Sichuan Tian Long Chemical Co., Ltd..
The special-purpose viton of above-mentioned chemical pump sealing-ring, preparation process is as follows: first the sticky fluorine glue of wealthy family and the sticky fluorine glue of low door are added to mediate in Banbury mixer and plasticate, Heating temperature is to 105-115 ℃, stirring velocity 50-55r/min, churning time 16-22min, and then add 150 magnesium oxide, calcium hydroxide, carbon black N990, spray carbon black, barium sulfate, fluorine wax, brazil wax, brightening agent, vulcanizing agent, carry out mixing and molding, melting temperature scope is 155-165 ℃, pressure is 10-13KN, mediating Banbury mixer rotating speed is 51-55r/min, mixing time is 1.2h-1.5h.
Chemical pump of the present invention is easy to get with viton seal ring formula material, and preparation technology is simple.Can effectively prevent from selecting fluorine glue kind improper in the course of processing, the unreasonable meeting of filling a prescription causes the aging of sealing-ring, thereby its promotion and application have greatly been limited, the chemical pump that the method for the invention makes has not only reached the property indices of finished product viton of the prior art with viton, extended work-ing life, chemical pump of the present invention is lower with the raw materials cost of viton in addition, has also saved the tooling cost of enterprise, has good economic benefit.
Embodiment
By specific embodiment, the specific embodiment of the present invention is described in further detail below.
Wealthy family of the present invention glues fluorine glue, the sticky fluorine glue of low door, brightening agent and is purchased from Shanghai Sanaifu New Material Co., Ltd, and described 150 magnesium oxide are purchased from Japanese consonance company, and described vulcanizing agent is BPP, and bis-phenol is purchased from Zigong, Sichuan Tian Long Chemical Co., Ltd..
Embodiment 1
Special-purpose viton of a kind of chemical pump sealing-ring and preparation method thereof, preparation process is as follows: first by the ternary fluorine glue of 50 part of 120 mooney viscosity, the ternary fluorine glue of 50 part of 50 mooney viscosity, add to mediate in Banbury mixer and plasticate, Heating temperature to 110 ℃, stirring velocity 52r/min, churning time 18min, and then add 9 part of 150 magnesium oxide, 8 parts of calcium hydroxides, 3.3 parts of carbon black N990, 3 parts of spray carbon blacks, 16 parts of barium sulfate, 0.5 part of fluorine wax, 1 part of brazil wax, 0.3 part of brightening agent, 1.28 part vulcanizing agent, carry out mixing and molding, melting temperature scope is 160 ℃, pressure is 12KN, mediating Banbury mixer rotating speed is 52r/min, mixing time is 1.3h.
Embodiment 2
Special-purpose viton of a kind of chemical pump sealing-ring and preparation method thereof, preparation process is as follows: first by the ternary fluorine glue of 52 part of 120 mooney viscosity, the ternary fluorine glue of 48 part of 50 mooney viscosity, add to mediate in Banbury mixer and plasticate, Heating temperature to 105 ℃, stirring velocity 55r/min, churning time 20min, and then add 8 part of 150 magnesium oxide, 9 parts of calcium hydroxides, 4 parts of carbon black N990, 3 parts of spray carbon blacks, 17 parts of barium sulfate, 0.5 part of fluorine wax, 1 part of brazil wax, 0.4 part of brightening agent, 1.4 parts of vulcanizing agents, carry out mixing and molding, melting temperature scope is 165 ℃, pressure is 13KN, mediating Banbury mixer rotating speed is 51r/min, mixing time is 1.1h.
Embodiment 3
Special-purpose viton of a kind of chemical pump sealing-ring and preparation method thereof, preparation process is as follows: first by the ternary fluorine glue of 55 part of 120 mooney viscosity, the ternary fluorine glue of 55 part of 50 mooney viscosity, add to mediate in Banbury mixer and plasticate, Heating temperature to 105 ℃, stirring velocity 55r/min, churning time 20min, and then add 10 part of 150 magnesium oxide, 9 parts of calcium hydroxides, 3.5 part of 990 carbon black, 3 parts of spray carbon blacks, 18 parts of barium sulfate, 0.5 part of fluorine wax, 1 part of brazil wax, 0.3 part of brightening agent, 1.28 part vulcanizing agent, carry out mixing and molding, melting temperature scope is 165 ℃, pressure is 13KN, mediating Banbury mixer rotating speed is 52r/min, mixing time is 1.3h.
Embodiment 4
Special-purpose viton of a kind of chemical pump sealing-ring and preparation method thereof, preparation process is as follows: first by the ternary fluorine glue of 55 part of 120 mooney viscosity, the ternary fluorine glue of 54 part of 50 mooney viscosity, add to mediate in Banbury mixer and plasticate, Heating temperature to 105 ℃, stirring velocity 50r/min, churning time 21min, and then add 7 part of 150 magnesium oxide, 10 parts of calcium hydroxides, 3 part of 990 carbon black, 3 parts of spray carbon blacks, 18 parts of barium sulfate, 0.5 part of fluorine wax, 0.8 part of brazil wax, 0.4 part of brightening agent, 1.2 parts of vulcanizing agents, carry out mixing and molding, melting temperature scope is 160 ℃, pressure is 13KN, mediating Banbury mixer rotating speed is 55r/min, mixing time is 1.3h.
Chemical pump that the method for the invention makes by the performance data of viton as following table 1:
The performance data of viton for the chemical pump that table 1 the present invention makes
| Test event | Numerical value |
| Changes in hardness | +1.5 |
| Fracture tensile strength (MPa) | 13.5 |
| Elongation at break (%) | 285 |
| Breaking tenacity (KN/m) | 13 |
| 150 ℃/24h of compression set (%) | 18.5 |
Chemical pump of the present invention is easy to get with viton seal ring formula material, and preparation technology is simple.Can effectively prevent from selecting fluorine glue kind improper in the course of processing, the unreasonable meeting of filling a prescription causes the aging of sealing-ring, thereby its promotion and application have greatly been limited, the chemical pump that the method for the invention makes has not only reached the property indices of finished product viton of the prior art with viton, extended work-ing life, chemical pump of the present invention is lower with the raw materials cost of viton in addition, has also saved the tooling cost of enterprise, has good economic benefit.
Here description of the invention and application is illustrative, not wants that therefore, the present invention is not subject to the restriction of the present embodiment by scope restriction of the present invention in the above-described embodiments, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.
Claims (8)
1. special-purpose viton of a chemical pump sealing-ring and preparation method thereof, by mixing the forming of component of following mass fraction:
Fluorine glue 40-55 part is glued by wealthy family
The sticky fluorine glue 45-60 part of low door
150 magnesium oxide 5-12 parts
Calcium hydroxide 6-13 part
Carbon black N990 2.5-4.5 part
Spray carbon black 2-4 part
Barium sulfate 14-20 part
Brazil wax 0.5-1.5 part
Fluorine wax 0.3-0.9 part
Brightening agent 0.1-0.6 part
Vulcanizing agent 1-1.6 part.
2. the special-purpose viton of above-mentioned chemical pump sealing-ring, wherein, preferred, its moiety is as follows by massfraction:
50 parts, the sticky fluorine glue of wealthy family
50 parts, the sticky fluorine glue of low door
150 9 parts, magnesium oxide
8 parts, calcium hydroxide
3.3 parts of carbon black N990
3 parts of spray carbon blacks
16 parts, barium sulfate
1 part of brazil wax
0.5 part, fluorine wax
Brightening agent 0.1-0.6 part
1.28 parts of vulcanizing agents.
3. the special-purpose viton of a kind of chemical pump sealing-ring as claimed in claim 1, is characterized in that, the sticky fluorine glue of described wealthy family is the ternary fluorine glue of 120 mooney viscosities, is purchased from Shanghai Sanaifu New Material Co., Ltd.
4. the special-purpose viton of a kind of chemical pump sealing-ring as claimed in claim 1, is characterized in that, the ternary fluorine glue that the sticky fluorine glue of described low door is 50 mooney viscosities, is purchased from Shanghai Sanaifu New Material Co., Ltd.
5. the special-purpose viton of a kind of chemical pump sealing-ring as claimed in claim 1, is characterized in that, described 150 magnesium oxide are purchased from Japanese consonance company.
6. the special-purpose viton of a kind of chemical pump sealing-ring as claimed in claim 1 is characterized in that, described brightening agent is 2818, is purchased from Shanghai Sanaifu New Material Co., Ltd.
7. the special-purpose viton of a kind of chemical pump sealing-ring as claimed in claim 1, is characterized in that, described vulcanizing agent is BPP, and bis-phenol is purchased from Zigong, Sichuan Tian Long Chemical Co., Ltd..
8. the special-purpose viton of a kind of chemical pump sealing-ring as claimed in claim 1, it is characterized in that, preparation process is as follows: first the sticky fluorine glue of wealthy family and the sticky fluorine glue of low door are added to mediate in Banbury mixer and plasticate, Heating temperature is to 105-115 ℃, stirring velocity 50-55r/min, churning time 16-22min, and then add 150 magnesium oxide, calcium hydroxide, carbon black N990, spray carbon black, barium sulfate, fluorine wax, brazil wax, brightening agent, vulcanizing agent, carry out mixing and molding, melting temperature scope is 155-165 ℃, pressure is 10-13KN, mediating Banbury mixer rotating speed is 51-55r/min, mixing time is 1.2h-1.5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410346080.6A CN104140620A (en) | 2014-07-20 | 2014-07-20 | Fluororubber special for chemical pump sealing ring and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410346080.6A CN104140620A (en) | 2014-07-20 | 2014-07-20 | Fluororubber special for chemical pump sealing ring and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104140620A true CN104140620A (en) | 2014-11-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410346080.6A Pending CN104140620A (en) | 2014-07-20 | 2014-07-20 | Fluororubber special for chemical pump sealing ring and preparation method thereof |
Country Status (1)
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| CN (1) | CN104140620A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945792A (en) * | 2015-06-10 | 2015-09-30 | 桐乡市斯普林橡塑科技有限公司 | Fluororubber and preparation method thereof |
| CN108948600A (en) * | 2018-08-01 | 2018-12-07 | 扬中市橡胶塑料厂有限公司 | A kind of dedicated fluororubber O-type ring of all-welded ball valve and its processing technology |
| CN113372666A (en) * | 2021-06-02 | 2021-09-10 | 上海正兴阀门制造有限公司 | Soft sealing fluorine rubber valve seat and production process thereof |
-
2014
- 2014-07-20 CN CN201410346080.6A patent/CN104140620A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104945792A (en) * | 2015-06-10 | 2015-09-30 | 桐乡市斯普林橡塑科技有限公司 | Fluororubber and preparation method thereof |
| CN108948600A (en) * | 2018-08-01 | 2018-12-07 | 扬中市橡胶塑料厂有限公司 | A kind of dedicated fluororubber O-type ring of all-welded ball valve and its processing technology |
| CN113372666A (en) * | 2021-06-02 | 2021-09-10 | 上海正兴阀门制造有限公司 | Soft sealing fluorine rubber valve seat and production process thereof |
| CN113372666B (en) * | 2021-06-02 | 2023-09-29 | 上海正兴阀门制造有限公司 | Soft sealing fluorine rubber valve seat and production process thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141112 |
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| WD01 | Invention patent application deemed withdrawn after publication |