CN108641241A - A kind of modified fluorubber and preparation method thereof - Google Patents
A kind of modified fluorubber and preparation method thereof Download PDFInfo
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- CN108641241A CN108641241A CN201810358471.8A CN201810358471A CN108641241A CN 108641241 A CN108641241 A CN 108641241A CN 201810358471 A CN201810358471 A CN 201810358471A CN 108641241 A CN108641241 A CN 108641241A
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- Prior art keywords
- fluorubber
- modified
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- mixture
- agent
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2231—Oxides; Hydroxides of metals of tin
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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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/011—Nanostructured additives
Abstract
The present invention discloses a kind of modified fluorubber and preparation method thereof, including modified 45~65 parts of crude fluororubber, silica-filled dose 10~20 parts, 10~15 parts of alcohols releasing agent, 5~10 parts of chloroplatinic acid vulcanizing agent, 10~20 parts of 5~10 parts of triphenylphosphine accelerating agent and nano-stannic oxide, by first by nano-stannic oxide, silica-filled dose is uniformly mixed to obtain mixture A with triphenylphosphine accelerating agent, alcohols releasing agent and chloroplatinic acid vulcanizing agent are uniformly mixed to obtain mixture B again, finally by mixture A, mixture B and modified crude fluororubber add water to be stirred evenly at 200~250 DEG C, natural cooling is then taken out to obtain.The present invention is using chloroplatinic acid as vulcanizing agent, silica is as filler, using new type release agent WS280, it can be effectively improved the mobility and adhesive property of fluorubber simultaneously, improve the curability and intensity of fluorubber, modification of the nano-stannic oxide to rubber can significantly increase fluorubber high temperature ageing-resistant performance.
Description
Technical field
The present invention relates to a kind of modified fluorubber and preparation method thereof, belong to fluorubber preparation field.
Background technology
In rubber industry, fluorubber has the unrivaled excellent properties of other rubber, such as high temperature resistant, oil resistant, resistance to each
The corrosion of kind strong acid and strong base and chemicals, ozone-resistant and various oxidants, the characteristics such as radioresistance.Fluorubber is widely used to army
The fields such as work space flight, petrochemical industry, machine-building, architectural engineering, instrument and meter and automobile making.The property of fluorubber is
Since the architectural characteristic containing fluorine atom is determined in its molecule, but just because of this design feature, dispersibility and viscous
It is poor to connect performance, comes with some shortcomings in performance to fluorubber, people have done various researchs to the improvement of fluorubber thus.
Invention content
Goal of the invention：The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide a kind of cure
It can good, the high modification fluorubber and preparation method thereof of intensity.
In order to solve the above-mentioned technical problem, the invention discloses a kind of modified fluorubber, include the component of following parts by weight：
Preferably, the fluorubber includes the component of following parts by weight：
Wherein, the modified crude fluororubber is fluororubber 26 or fluororubber 246.
The alcohols releasing agent is Germany struktol WS280.
The chloroplatinic acid vulcanizing agent originates from Suzhou Jin Wo Chemical Co., Ltd.s.
The triphenylphosphine accelerating agent originates from Suzhou Jin Yuan fine chemistry industries Co., Ltd.
The nano-stannic oxide granularity is less than 80nm, and purity is not less than 99%.
The present invention also provides the preparation methods of above-mentioned modified fluorubber, include the following steps：
Step 1：Nano-stannic oxide, silica-filled dose and triphenylphosphine accelerating agent are first uniformly mixed to obtain mixing
Object A；
Step 2：Alcohols releasing agent and chloroplatinic acid vulcanizing agent are uniformly mixed to obtain mixture B；
Step 3：Water is added to be stirred evenly at 200~250 DEG C mixture A, mixture B and modified crude fluororubber, so
Natural cooling is taken out afterwards both to obtain.
In step 3, it is 0.3~0.6 times of mixture A, mixture B and modified crude fluororubber gross mass to add water quality.
Advantageous effect：
For the application using chloroplatinic acid as vulcanizing agent, silica can using new type release agent WS280 as filler
It is effectively improved the mobility and adhesive property of fluorubber simultaneously, improves the curability and intensity of fluorubber, nano-stannic oxide
Modification to rubber can significantly increase fluorubber high temperature ageing-resistant performance.
Specific implementation mode
According to following embodiments, the present invention may be better understood.
Embodiment 1
6 parts of 15 parts, silica-filled dose 15 parts of nano-stannic oxide and triphenylphosphine accelerating agent are uniformly mixed mixed
Close object A；7 parts of 10 parts of alcohols releasing agent (WS280) and chloroplatinic acid vulcanizing agent are uniformly mixed to obtain mixture B；It will finally obtain
Mixture A, mixture B and 55 parts of modified crude fluororubber plus water (amount of water is 0.5 times of material gross mass) stir at 240 DEG C
It mixes uniformly, then takes out natural cooling and both obtained.
Embodiment 2
5 parts of 10 parts, silica-filled dose 10 parts of nano-stannic oxide and triphenylphosphine accelerating agent are uniformly mixed mixed
Close object A；10 parts of 15 parts of alcohols releasing agent (WS280) and chloroplatinic acid vulcanizing agent are uniformly mixed to obtain mixture B；It will finally obtain
Mixture A, mixture B and 65 parts of modified crude fluororubber plus water (amount of water is 0.6 times of material gross mass) stir at 250 DEG C
It mixes uniformly, then takes out natural cooling and both obtained.
Embodiment 3
10 parts of 20 parts, silica-filled dose 20 parts of nano-stannic oxide and triphenylphosphine accelerating agent are uniformly mixed mixed
Close object A；5 parts of 10 parts of alcohols releasing agent (WS280) and chloroplatinic acid vulcanizing agent are uniformly mixed to obtain mixture B；It will finally obtain
Mixture A, mixture B and 45 parts of modified crude fluororubber plus water (amount of water is 0.3 times of material gross mass) stir at 200 DEG C
It mixes uniformly, then takes out natural cooling and both obtained.
Embodiment 4
6 parts of 15 parts, silica-filled dose 15 parts of nano-stannic oxide and triphenylphosphine accelerating agent are uniformly mixed mixed
Close object A；7 parts of 10 parts of alcohols releasing agent (WS280) and chloroplatinic acid vulcanizing agent are uniformly mixed to obtain mixture B；It will finally obtain
Mixture A, mixture B and 60 parts of modified crude fluororubber plus water (amount of water is 0.5 times of material gross mass) stir at 240 DEG C
It mixes uniformly, then takes out natural cooling and both obtained.
Comparative example 1
Silica-filled dose 15 parts and 6 parts of triphenylphosphine accelerating agent are uniformly mixed to obtain mixture A；By alcohols releasing agent
(WS280) 10 parts and 7 parts of chloroplatinic acid vulcanizing agent are uniformly mixed to obtain mixture B；Finally by obtained mixture A, mixture B and change
Property 55 parts of crude fluororubber plus water (amount of water is 0.5 times of material gross mass) stirred evenly at 240 DEG C, then take out nature
It is cooling both to obtain.
The fluorubber that Examples 1 to 4 is prepared, into every trade performance test, is surveyed with 1 unmodified fluorubber of comparative example
Test result is as shown in table 1.Wherein, curability is 200 DEG C × 6min.As can be seen from Table 1, the fluorine rubber that prepared by the present invention
Glue has preferable curability and physical strength.
Table 1
The present invention provides the thinkings and method of a kind of modified fluorubber and preparation method thereof, implement the technical solution
Method and approach it is very much, the above is only a preferred embodiment of the present invention, it is noted that for the general of the art
For logical technical staff, various improvements and modifications may be made without departing from the principle of the present invention, these improve and
Retouching also should be regarded as protection scope of the present invention.The available prior art of each component part being not known in the present embodiment is subject to reality
It is existing.
Claims (9)
1. a kind of modified fluorubber, which is characterized in that the fluorubber includes the component of following parts by weight：
2. a kind of modified fluorubber according to claim 1, which is characterized in that the fluorubber includes following parts by weight
Component：
3. a kind of modified fluorubber according to claim 1 or 2, which is characterized in that the modified crude fluororubber is fluorine
Rubber 26 or fluororubber 246.
4. a kind of modified fluorubber according to claim 1 or 2, which is characterized in that the alcohols releasing agent is Germany
struktol WS280。
5. a kind of modified fluorubber according to claim 1 or 2, which is characterized in that the chloroplatinic acid vulcanizing agent originates from Soviet Union
Zhou Jinwo Chemical Co., Ltd.s.
6. a kind of modified fluorubber according to claim 1 or 2, which is characterized in that the triphenylphosphine accelerating agent originates from
Suzhou Jin Yuan fine chemistry industries Co., Ltd.
7. a kind of modified fluorubber according to claim 1 or 2, which is characterized in that the nano-stannic oxide granularity is small
In 80nm, purity is not less than 99%.
8. the preparation method of modified fluorubber described in claim 1, which is characterized in that include the following steps：
Step 1：Nano-stannic oxide, silica-filled dose and triphenylphosphine accelerating agent are first uniformly mixed to obtain mixture A；
Step 2：Alcohols releasing agent and chloroplatinic acid vulcanizing agent are uniformly mixed to obtain mixture B；
Step 3：Add water to be stirred evenly at 200~250 DEG C mixture A, mixture B and modified crude fluororubber, then takes
Go out natural cooling both to obtain.
9. the preparation method of modified fluorubber according to claim 8, which is characterized in that in step 3, add the water quality to be
0.3~0.6 times of mixture A, mixture B and modified crude fluororubber gross mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358471.8A CN108641241A (en) | 2018-04-20 | 2018-04-20 | A kind of modified fluorubber and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810358471.8A CN108641241A (en) | 2018-04-20 | 2018-04-20 | A kind of modified fluorubber and preparation method thereof |
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| CN108641241A true CN108641241A (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810358471.8A Pending CN108641241A (en) | 2018-04-20 | 2018-04-20 | A kind of modified fluorubber and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115558313A (en) * | 2022-09-08 | 2023-01-03 | 中绿新材料（江苏）有限公司 | Fluororubber composite material for transparent UV-resistant wearable equipment and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232656A (en) * | 2013-05-09 | 2013-08-07 | 蔡德扬 | High-wear-resistant fluororubber compound and preparation method for same |
| CN104045949A (en) * | 2014-05-29 | 2014-09-17 | 江苏梅兰化工有限公司 | Ultra-low temperature resistant fluororubber mixed rubber and preparation method thereof |
| CN104479265A (en) * | 2014-12-31 | 2015-04-01 | 山东华夏神舟新材料有限公司 | Low-compression-deformation fluororubber premix and preparation method thereof |
-
2018
- 2018-04-20 CN CN201810358471.8A patent/CN108641241A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232656A (en) * | 2013-05-09 | 2013-08-07 | 蔡德扬 | High-wear-resistant fluororubber compound and preparation method for same |
| CN104045949A (en) * | 2014-05-29 | 2014-09-17 | 江苏梅兰化工有限公司 | Ultra-low temperature resistant fluororubber mixed rubber and preparation method thereof |
| CN104479265A (en) * | 2014-12-31 | 2015-04-01 | 山东华夏神舟新材料有限公司 | Low-compression-deformation fluororubber premix and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115558313A (en) * | 2022-09-08 | 2023-01-03 | 中绿新材料（江苏）有限公司 | Fluororubber composite material for transparent UV-resistant wearable equipment and preparation method thereof |
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