CN107141542B - Anti-aging transformer sealing gasket and preparation method thereof - Google Patents
Anti-aging transformer sealing gasket and preparation method thereof Download PDFInfo
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- CN107141542B CN107141542B CN201710444205.2A CN201710444205A CN107141542B CN 107141542 B CN107141542 B CN 107141542B CN 201710444205 A CN201710444205 A CN 201710444205A CN 107141542 B CN107141542 B CN 107141542B
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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
- C08L11/00—Compositions of homopolymers or copolymers of chloroprene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
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- 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
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
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- 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
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- C—CHEMISTRY; METALLURGY
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
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Abstract
The invention discloses a kind of anti-aging transformer sealing gasket and preparation method thereof, which includes：1）Chitosan is passed through into acid soak successively, is impregnated then in turn through alkyl benzene sulphonate sodium solution and alkyl naphthalene sulfonic acid sodium solution to obtain modification of chitosan；2）At 145 175 DEG C, neoprene, silicon rubber, carbon black, sulphur and modification of chitosan are subjected to first vulcanization so that the first mixture is made；3）At 175 185 DEG C, the first mixture, oxide nano rare earth, polycarbonate, vulcanizing agent is subjected to post-cure processing, transformer sealing gasket is made.The anti-aging transformer sealing gasket has excellent mechanical property and anti-aging property, and the preparation method has the advantages that process is simple and raw material is easy to get.
Description
Technical field
The present invention relates to transformer sealing elements, and in particular, to a kind of anti-aging transformer sealing gasket and preparation method thereof.
Background technology
Gasket is an important part of oil-immersed transformer, plays the role of sealing, prevents transformer oil leak.It is existing
Some rubber gaskets are caused transformer leakage of oil, have been seriously affected transformation due to its unstable mechanical property or easy to aging
The service life of device causes huge economic loss to electric system and user.
Invention content
The object of the present invention is to provide a kind of anti-aging transformer sealing gasket and preparation method thereof, the anti-aging transformer is close
Packing has excellent mechanical property and anti-aging property, and the preparation method has the advantages that process is simple and raw material is easy to get.
To achieve the goals above, the present invention provides a kind of preparation methods of anti-aging transformer sealing gasket, including：
1）Chitosan is passed through into acid soak successively, then in turn through alkyl benzene sulphonate sodium solution and Negel
Solution is impregnated to obtain modification of chitosan；
2）At 145-175 DEG C, by neoprene, silicon rubber, carbon black, sulphur and modification of chitosan carry out first vulcanization with
The first mixture is made；
3）At 175-185 DEG C, the first mixture, oxide nano rare earth, polycarbonate, vulcanizing agent are carried out two
Transformer sealing gasket is made in secondary vulcanizing treatment.
The present invention also provides a kind of anti-aging transformer sealing gasket, which passes through above-mentioned system
Preparation Method is prepared.
In the above-mentioned technical solutions, the present invention first by carrying out acid solution, sodium alkyl benzene sulfonate and alkane successively to chitosan
Base sodium naphthalene sulfonate is modified and then obtains modification of chitosan, then poly- by neoprene, silicon rubber, carbon black, sulphur and modified shell
Sugar vulcanize for the first time the first mixture is made, then fine by the first mixture, oxide nano rare earth, makrolon
Dimension, vulcanizing agent carry out post-cure processing and transformer sealing gasket are made.The transformer sealing gasket have excellent mechanical property and
Anti-aging property, and the preparation method has the advantages that process is simple and raw material is easy to get.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of preparation methods of anti-aging transformer sealing gasket, including：
1）Chitosan is passed through into acid soak successively, then in turn through alkyl benzene sulphonate sodium solution and Negel
Solution is impregnated to obtain modification of chitosan；
2）At 145-175 DEG C, by neoprene, silicon rubber, carbon black, sulphur and modification of chitosan carry out first vulcanization with
The first mixture is made；
3）At 175-185 DEG C, the first mixture, oxide nano rare earth, polycarbonate, vulcanizing agent are carried out two
Transformer sealing gasket is made in secondary vulcanizing treatment.
In the step 1 of the present invention）In, the dosage and concentration of each material can select in a wide range, but in order to
Make transformer sealing gasket obtained that there is superior mechanical property and anti-aging property, it is preferable that in step 1）In, relative to
The dosage of the chitosan of 100 parts by weight, acid solution, alkyl benzene sulphonate sodium solution and alkyl naphthalene sulfonic acid sodium solution is each independently
200-300 parts by weight；Also, the pH of acid solution is 5-6, and the concentration of alkyl benzene sulphonate sodium solution and alkyl naphthalene sulfonic acid sodium solution is respectively
It independently is 20-30 weight %.
In the step 1 of the present invention）In, the specific type of sodium alkyl benzene sulfonate and Negel can be in wide model
Interior selection is enclosed, but in order to make transformer sealing gasket obtained that there is superior mechanical property and anti-aging property, it is preferable that
Sodium alkyl benzene sulfonate is cetyl benzenesulfonic acid sodium, neopelex or octadecyl benzene in alkyl benzene sulphonate sodium solution
Sodium sulfonate；Negel in alkyl naphthalene sulfonic acid sodium solution be cetyl sodium naphthalene sulfonate, dodecyl sodium naphthalene sulfonate or
Octadecyl sodium naphthalene sulfonate.
In the step 1 of the present invention）In, the actual conditions of immersion can select in a wide range, but in order to make to be made
Transformer sealing gasket have superior mechanical property and anti-aging property, it is preferable that in step 1）In, the immersion often walked is full
Sufficient the following conditions：Soaking temperature is 25-30 DEG C, soaking time 8-10h.
In the step 2 of the present invention）In, the dosage of each material can select in a wide range, but obtained in order to make
Transformer sealing gasket has superior mechanical property and anti-aging property, it is preferable that in step 2）In, neoprene, silicon rubber
Glue, carbon black, sulphur and modification of chitosan weight ratio be 100：70-80：10-17：5-8：23-34.
In the step 2 of the present invention）In, the time vulcanized for the first time can select in a wide range, but in order to make to be made
Transformer sealing gasket have superior mechanical property and anti-aging property, it is preferable that in step 2）In, vulcanize for the first time when
Between be 8-10h.
In the step 2 of the present invention）In, the molecular weight of neoprene and silicon rubber can select in a wide range, but
It is to make transformer sealing gasket obtained that there is superior mechanical property and anti-aging property, it is preferable that in step 2）In,
The weight average molecular weight of neoprene is 30,000-5 ten thousand, and the weight average molecular weight of silicon rubber is 40,000-7 ten thousand.
In the step 3 of the present invention）In, the dosage of each material can select in a wide range, but obtained in order to make
Transformer sealing gasket has superior mechanical property and anti-aging property, it is preferable that in step 3）In, the first mixture is received
Rice rare earth oxide, polycarbonate, vulcanizing agent amount ratio be 100：3-4：14-22：1.5-4.
In the step 3 of the present invention）In, the time of post-cure can select in a wide range, but in order to make to be made
Transformer sealing gasket have superior mechanical property and anti-aging property, it is preferable that in step 3）In, post-cure when
Between be 3-5h.
In the step 3 of the present invention）In, the specific type of oxide nano rare earth can select in a wide range, still
In order to make transformer sealing gasket obtained that there is superior mechanical property and anti-aging property, it is preferable that in step 3）In, it receives
Rice rare earth oxide is selected from least one of nano lanthanum oxide, nano oxidized praseodymium, nano oxidized gadolinium and nano oxidized dysprosium.
In the step 3 of the present invention）In, the grain size of oxide nano rare earth can select in a wide range, but in order to
Make transformer sealing gasket obtained that there is superior mechanical property and anti-aging property, it is preferable that oxide nano rare earth
Average grain diameter is 8-15nm.
In the step 3 of the present invention）In, the specific type of vulcanizing agent can select in a wide range, but in order to make system
The transformer sealing gasket obtained has superior mechanical property and anti-aging property, it is preferable that vulcanizing agent is selected from tetraethyl
At least one of base thiuram, tetramethylthiuram disulfide and tetrabenzyl thiuram-disulfide.
The present invention also provides a kind of anti-aging transformer sealing gasket, which passes through above-mentioned system
Preparation Method is prepared.
The present invention will be described in detail by way of examples below.
Embodiment 1
1）At 28 DEG C, by the chitosan of the 100 parts by weight successively hydrochloric acid Jing Guo 250 parts by weight（PH is 5.5）9h is impregnated,
Then in turn through the alkyl benzene sulphonate sodium solution of 250 parts by weight（A concentration of 25 weight %, cetyl benzenesulfonic acid sodium solution）With
The alkyl naphthalene sulfonic acid sodium solution of 250 parts by weight（A concentration of 25 weight %, cetyl sodium naphthalene sulfonate solution）It carries out impregnating 9h to obtain
To modification of chitosan；
2）At 165 DEG C, by neoprene（Weight average molecular weight is 30,000-5 ten thousand）, silicon rubber（Weight average molecular weight is 40,000-7
Ten thousand）, carbon black, sulphur and modification of chitosan be according to 100：75：14：7：28 weight ratios carry out first vulcanization 9h so that the first mixing is made
Object；
3）At 180 DEG C, by the first mixture, oxide nano rare earth（Nano lanthanum oxide, average grain diameter 10nm）, it is poly-
Carbonic acid ester fiber, vulcanizing agent are according to 100：3.5：19：2 weight ratio carries out post-cure 4h processing and transformer sealing gasket is made
A1。
Embodiment 2
1）At 25 DEG C, by the chitosan of the 100 parts by weight successively hydrochloric acid Jing Guo 200 parts by weight（PH is 5）8h is impregnated, so
Alkyl benzene sulphonate sodium solution Jing Guo 200 parts by weight successively afterwards（A concentration of 20 weight %, neopelex solution）With
The alkyl naphthalene sulfonic acid sodium solution of 200 parts by weight（A concentration of 20 weight %, dodecyl sodium naphthalene sulfonate solution）It carries out impregnating 8h to obtain
To modification of chitosan；
2）At 145 DEG C, by neoprene（Weight average molecular weight is 30,000-5 ten thousand）, silicon rubber（Weight average molecular weight is 40,000-7
Ten thousand）, carbon black, sulphur and modification of chitosan be according to 100：70：10：5：23 weight ratios carry out first vulcanization 8h so that the first mixing is made
Object；
3）At 175-185 DEG C, by the first mixture, oxide nano rare earth（Nano oxidized praseodymium, average grain diameter are
8nm）, polycarbonate, vulcanizing agent is according to 100：3：14：1.5 weight ratio carries out post-cure 3h processing and transformer is made
Gasket A2.
Embodiment 3
1）At 30 DEG C, by the chitosan of the 100 parts by weight successively hydrochloric acid Jing Guo 300 parts by weight（PH is 6）10h is impregnated,
Then in turn through the alkyl benzene sulphonate sodium solution of 300 parts by weight（A concentration of 30 weight %, octadecyl benzenesulfonic acid sodium solution）With
The alkyl naphthalene sulfonic acid sodium solution of 200-300 parts by weight（A concentration of 30 weight %, octadecyl sodium naphthalene sulfonate solution）It is impregnated
10h is to obtain modification of chitosan；
2）At 175 DEG C, by neoprene（Weight average molecular weight is 30,000-5 ten thousand）, silicon rubber（Weight average molecular weight is 40,000-7
Ten thousand）, carbon black, sulphur and modification of chitosan be according to 100：80：17：8：It is mixed to be made first that 34 weight ratios carry out first vulcanization 10h
Close object；
3）At 185 DEG C, by the first mixture, oxide nano rare earth（Nano oxidized dysprosium, average grain diameter 8-15nm）、
Polycarbonate, vulcanizing agent are according to 100：4：22：4 weight ratio carries out post-cure 5h processing and transformer sealing gasket is made
A3。
Comparative example 1
It carries out that transformer sealing gasket B1 is made according to the method for embodiment 1, unlike, step 1）In be not used acid solution leaching
Bubble.
Comparative example 2
It carries out that transformer sealing gasket B2 is made according to the method for embodiment 1, unlike, step 1）In be not used alkylbenzene
Sodium sulfonate solution.
Comparative example 3
It carries out that transformer sealing gasket B3 is made according to the method for embodiment 1, unlike, step 1）In be not used alkylnaphthalene
Sodium sulfonate solution.
Comparative example 4
It carries out that transformer sealing gasket B4 is made according to the method for embodiment 1, unlike, step 1）In be not used acid solution and
Alkyl benzene sulphonate sodium solution.
Comparative example 5
It carries out that transformer sealing gasket B5 is made according to the method for embodiment 1, unlike, step 1）In be not used acid solution and
Alkylnaphthalene acid sodium solution.
Detect example 1
Detect the tensile strength and anti-aging property of above-mentioned transformer sealing gasket（Leaching 25# transformer oil compressive deformation/%,
Be resistant to 25# transformer oil compression performances, leaching 25# transformer oil compressive deformations testing conditions be compression 25%, 125 DEG C and 168h,
The testing conditions for being resistant to 25# transformer oil compression performances are 125 DEG C and 168h）, specific testing result is shown in Table 1.
Table 1
By above-described embodiment, comparative example and detection example it is found that transformer sealing gasket provided by the invention has excellent stretching
Intensity and anti-aging property.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (13)
1. a kind of preparation method of anti-aging transformer sealing gasket, which is characterized in that including：
1）Chitosan is passed through into acid soak successively, then in turn through alkyl benzene sulphonate sodium solution and alkyl naphthalene sulfonic acid sodium solution
It is impregnated to obtain modification of chitosan；
2）At 145-175 DEG C, neoprene, silicon rubber, carbon black, sulphur and modification of chitosan are subjected to first vulcanization to be made
First mixture；
3）At 175-185 DEG C, first mixture, oxide nano rare earth, polycarbonate, vulcanizing agent are carried out two
Transformer sealing gasket is made in secondary vulcanizing treatment.
2. preparation method according to claim 1, wherein in step 1）In, the shell relative to 100 parts by weight is poly-
The dosage of sugar, the acid solution, alkyl benzene sulphonate sodium solution and alkyl naphthalene sulfonic acid sodium solution is each independently 200-300 weight
Part；Also, the pH of the acid solution is 5-6, and the concentration of the alkyl benzene sulphonate sodium solution and alkyl naphthalene sulfonic acid sodium solution is respectively only
It is on the spot 20-30 weight %.
3. preparation method according to claim 1, wherein in step 1）In, alkyl in the alkyl benzene sulphonate sodium solution
Benzene sulfonic acid sodium salt is cetyl benzenesulfonic acid sodium, neopelex or octadecyl benzenesulfonic acid sodium；The alkyl naphthalene sulfonic acid
Negel in sodium solution is cetyl sodium naphthalene sulfonate, dodecyl sodium naphthalene sulfonate or octadecyl sodium naphthalene sulfonate.
4. preparation method according to claim 1, wherein in step 1）In, the immersion often walked meets the following conditions：It impregnates
Temperature is 25-30 DEG C, soaking time 8-10h.
5. according to the preparation method described in any one of claim 1-4, wherein in step 2）In, the neoprene, silicon
Rubber, carbon black, sulphur and modification of chitosan weight ratio be 100：70-80：10-17：5-8：23-34.
6. preparation method according to claim 5, wherein in step 2）In, the time vulcanized for the first time is 8-10h.
7. preparation method according to claim 5, wherein in step 2）In, the weight average molecular weight of the neoprene is 3
Ten thousand-5 ten thousand, the weight average molecular weight of the silicon rubber is 40,000-7 ten thousand.
8. the preparation method described according to claim 6 or 7, wherein in step 3）In, first mixture, nano rare earth
Oxide, polycarbonate, vulcanizing agent amount ratio be 100：3-4：14-22：1.5-4.
9. preparation method according to claim 8, wherein in step 3）In, the time of the post-cure is 3-5h.
10. preparation method according to claim 8, wherein in step 3）In, the oxide nano rare earth is selected from nanometer
At least one of lanthana, nano oxidized praseodymium, nano oxidized gadolinium and nano oxidized dysprosium.
11. preparation method according to claim 8, wherein in step 3）In, the average grain of the oxide nano rare earth
Diameter is 8-15nm.
12. preparation method according to claim 8, wherein in step 3）In, the vulcanizing agent is selected from tetraethyl base
At least one of thiuram, tetramethylthiuram disulfide and tetrabenzyl thiuram-disulfide.
13. a kind of anti-aging transformer sealing gasket, which is characterized in that the anti-aging transformer sealing gasket passes through claim 1-
Preparation method described in any one of 12 is prepared.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610385.1A CN108676218A (en) | 2017-06-13 | 2017-06-13 | A kind of anti-aging transformer sealing gasket and preparation method thereof |
| CN201810649393.7A CN108707262A (en) | 2017-06-13 | 2017-06-13 | A kind of anti-aging transformer sealing gasket and preparation method thereof |
| CN201710444205.2A CN107141542B (en) | 2017-06-13 | 2017-06-13 | Anti-aging transformer sealing gasket and preparation method thereof |
| CN201810610386.6A CN108676219A (en) | 2017-06-13 | 2017-06-13 | Anti-aging transformer sealing gasket and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444205.2A CN107141542B (en) | 2017-06-13 | 2017-06-13 | Anti-aging transformer sealing gasket and preparation method thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810649393.7A Division CN108707262A (en) | 2017-06-13 | 2017-06-13 | A kind of anti-aging transformer sealing gasket and preparation method thereof |
| CN201810610386.6A Division CN108676219A (en) | 2017-06-13 | 2017-06-13 | Anti-aging transformer sealing gasket and preparation method thereof |
| CN201810610385.1A Division CN108676218A (en) | 2017-06-13 | 2017-06-13 | A kind of anti-aging transformer sealing gasket and preparation method thereof |
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| CN107141542A CN107141542A (en) | 2017-09-08 |
| CN107141542B true CN107141542B (en) | 2018-09-04 |
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| CN201810649393.7A Withdrawn CN108707262A (en) | 2017-06-13 | 2017-06-13 | A kind of anti-aging transformer sealing gasket and preparation method thereof |
| CN201710444205.2A Active CN107141542B (en) | 2017-06-13 | 2017-06-13 | Anti-aging transformer sealing gasket and preparation method thereof |
| CN201810610385.1A Withdrawn CN108676218A (en) | 2017-06-13 | 2017-06-13 | A kind of anti-aging transformer sealing gasket and preparation method thereof |
| CN201810610386.6A Withdrawn CN108676219A (en) | 2017-06-13 | 2017-06-13 | Anti-aging transformer sealing gasket and preparation method thereof |
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| CN201810610386.6A Withdrawn CN108676219A (en) | 2017-06-13 | 2017-06-13 | Anti-aging transformer sealing gasket and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010530A (en) * | 2010-11-11 | 2011-04-13 | 中国热带农业科学院农产品加工研究所 | Chitosan derivative/epoxidized natural rubber composite material and preparation method thereof |
| CN104927125A (en) * | 2015-06-08 | 2015-09-23 | 东至群盛化工设备有限公司 | Flange sealing gasket for chemical sewage pipe connection |
| CN105199172A (en) * | 2015-10-19 | 2015-12-30 | 青岛科技大学 | Composite rubber reinforcing system, styrene butadiene rubber using reinforcing system and preparation method of styrene butadiene rubber |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0418359A (en) * | 2004-01-06 | 2007-05-08 | Univ Sherbrooke | Simplified Method To Recover Chitosan From Its Acid Solutions |
| CN104140677A (en) * | 2014-07-30 | 2014-11-12 | 青岛国强环保科技有限公司 | Improved oil-proof sealing rubber |
| CN105176100A (en) * | 2015-09-10 | 2015-12-23 | 吴量 | Environmentally friendly, flame retardant and weather-proof rubber sealing ring material and preparation method thereof |
| CN105820393A (en) * | 2016-04-13 | 2016-08-03 | 吴申龙 | High temperature resistant mechanical sealing ring material and preparation process thereof |
-
2017
- 2017-06-13 CN CN201810649393.7A patent/CN108707262A/en not_active Withdrawn
- 2017-06-13 CN CN201710444205.2A patent/CN107141542B/en active Active
- 2017-06-13 CN CN201810610385.1A patent/CN108676218A/en not_active Withdrawn
- 2017-06-13 CN CN201810610386.6A patent/CN108676219A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010530A (en) * | 2010-11-11 | 2011-04-13 | 中国热带农业科学院农产品加工研究所 | Chitosan derivative/epoxidized natural rubber composite material and preparation method thereof |
| CN104927125A (en) * | 2015-06-08 | 2015-09-23 | 东至群盛化工设备有限公司 | Flange sealing gasket for chemical sewage pipe connection |
| CN105199172A (en) * | 2015-10-19 | 2015-12-30 | 青岛科技大学 | Composite rubber reinforcing system, styrene butadiene rubber using reinforcing system and preparation method of styrene butadiene rubber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107141542A (en) | 2017-09-08 |
| CN108707262A (en) | 2018-10-26 |
| CN108676218A (en) | 2018-10-19 |
| CN108676219A (en) | 2018-10-19 |
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