CN107325358B - A kind of freeze proof automobile engine hollow tube and preparation method thereof - Google Patents
A kind of freeze proof automobile engine hollow tube and preparation method thereof Download PDFInfo
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- CN107325358B CN107325358B CN201710770878.7A CN201710770878A CN107325358B CN 107325358 B CN107325358 B CN 107325358B CN 201710770878 A CN201710770878 A CN 201710770878A CN 107325358 B CN107325358 B CN 107325358B
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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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
- C08K2201/011—Nanostructured additives
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Tires In General (AREA)
Abstract
The invention discloses a kind of freeze proof automobile engine hollow tubes and preparation method thereof, which includes：1）Isoprene rubber, DMDPTD dimethyl diphenylthiuram disulfide, 2 benzothiazolyl mercaptans, strontium peroxide are subjected to vulcanizing treatment so that modified isoprene rubber is made in enclosed environment；2）Silicon rubber, neoprene, nanomete talc powder, hydroxymethyl cellulose, paraffin, zinc stearate, 3 aminopropyl triethoxysilanes, carbon fiber are mixed, the first melting is then carried out；Then modified isoprene rubber is added in the system of the first melting and carries out the second melting so that molten product is made；3）Molten product is subjected to forming processes so that freeze proof automobile engine hollow tube is made；Wherein, in step 1）In, the pressure in vulcanizing treatment is made of continuous alternate High Voltage section with low pressure section, and the pressure of High Voltage section is 2 4MPa, and the pressure of low pressure section is 0.1 0.5MPa.The freeze proof automobile engine hollow tube has excellent cold resistance.
Description
Technical field
The present invention relates to automobile components, and in particular, to a kind of freeze proof automobile engine hollow tube and preparation method thereof.
Background technology
Automobile engine hollow tube is pipe element important in automobile engine, due to the working strength of automobile engine
Greatly, internal temperature is high and hollow tube needs to convey fuel oil, so automobile engine hollow tube is not only required excellent
Mechanical strength, while also needing to the cold resistant property for having excellent.Because in northern area, the temperature in winter is down to subzero tens
Degree easily leads to hollow tube embrittlement and then causes automobile engine that cannot normally start in this case.
Invention content
The object of the present invention is to provide a kind of freeze proof automobile engine hollow tube and preparation method thereof, the freeze proof car engines
Machine hollow tube has excellent cold resistance, while 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 method of freeze proof automobile engine hollow tube, the systems
Preparation Method includes：
1）By isoprene rubber, DMDPTD dimethyl diphenylthiuram disulfide, 2- benzothiazolyl mercaptans, strontium peroxide in closing
Vulcanizing treatment is carried out in environment so that modified isoprene rubber is made；
2）By silicon rubber, neoprene（Makrolon）, nanomete talc powder, hydroxymethyl cellulose, paraffin, zinc stearate,
3- aminopropyl triethoxysilanes, carbon fiber mixing, then carry out the first melting；Then modified isoprene rubber is added to first
The second melting is carried out in the system of melting so that molten product is made；
3）Molten product is subjected to forming processes so that freeze proof automobile engine hollow tube is made；
Wherein, in step 1）In, the pressure in vulcanizing treatment is made of continuous alternate High Voltage section with low pressure section, high
The pressure of pressure section is 2-4MPa, and the pressure of low pressure section is 0.1-0.5MPa, and first melting process, which is carried out at the same time, to be forged
And the pressure forged is 3-4Mpa, second melting process, which is carried out at the same time, to be forged and the pressure forged is 1-2.5Mpa.
The present invention also provides a kind of preparation method of freeze proof automobile engine hollow tube, the freeze proof automobile engine is hollow
Pipe is prepared by above-mentioned preparation method.
In the above-mentioned technical solutions, the present invention first by the alternate mode of high pressure to isoprene rubber carry out vulcanizing treatment into
And modified isoprene rubber is obtained, then the modification isoprene rubber is improved as modifying agent in freeze proof automobile engine obtained
The cold resistant property of blank pipe；The preparation method has the advantages that process is simple and raw material is easy to get simultaneously.
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 method of freeze proof automobile engine hollow tube, which includes：
1）By isoprene rubber, DMDPTD dimethyl diphenylthiuram disulfide, 2- benzothiazolyl mercaptans, strontium peroxide in closing
Vulcanizing treatment is carried out in environment so that modified isoprene rubber is made；
2）By silicon rubber, neoprene（Makrolon）, nanomete talc powder, hydroxymethyl cellulose, paraffin, zinc stearate,
3- aminopropyl triethoxysilanes, carbon fiber mixing, then carry out the first melting；Then modified isoprene rubber is added to first
The second melting is carried out in the system of melting so that molten product is made；
3）Molten product is subjected to forming processes so that freeze proof automobile engine hollow tube is made；
Wherein, in step 1）In, the pressure in vulcanizing treatment is made of continuous alternate High Voltage section with low pressure section, high
The pressure of pressure section is 2-4MPa, and the pressure of low pressure section is 0.1-0.5MPa, and first melting process, which is carried out at the same time, to be forged
And the pressure forged is 3-4Mpa, second melting process, which is carried out at the same time, to be forged and the pressure forged is 1-2.5Mpa.
Step 1 in the present invention）In, the dosage of each material can select in a wide range, but in order to make to be made
Automobile engine hollow tube have superior cold resistant property, it is preferable that in step 1）In, isoprene rubber, curing diformazan
Base diphenyl thiuram, 2- benzothiazolyl mercaptans, strontium peroxide weight ratio be 1：0.15-0.30：0.01-0.03：0.01-
0.03。
Step 1 in the present invention）In, the condition of vulcanizing treatment can select in a wide range, but in order to make system
The automobile engine hollow tube obtained has superior cold resistant property, it is preferable that in step 1）In, vulcanizing treatment meets following item
Part：Curing temperature asks 80-120 DEG C, vulcanization time 5-8h.
Step 1 in the present invention）In, High Voltage section and the time ratio of low pressure section can select in a wide range,
But in order to make automobile engine hollow tube obtained that there is superior cold resistant property, it is preferable that in step 1）In, High Voltage
The time ratio of section and low pressure section is 1：2-3.
Step 2 in the present invention）In, the dosage of each material can select in a wide range, but in order to make to be made
Automobile engine hollow tube have superior cold resistant property, it is preferable that in step 2）In, silicon rubber, neoprene, nanometer
Talcum powder, paraffin, zinc stearate, 3- aminopropyl triethoxysilanes, carbon fiber, is modified isoprene rubber at hydroxymethyl cellulose
Weight ratio is 1：1-1.2：0.1-0.15：0.02-0.06：0.2-0.4：0.03-0.06：0.1-0.18：0.06-0.10：0.4-
0.6。
Step 2 in the present invention）In, the condition of the first melting can select in a wide range, but in order to make system
The automobile engine hollow tube obtained has superior cold resistant property, it is preferable that in step 2）In, first melting at least meet with
Lower condition：Melting temperature is 245-255 DEG C, melting time 4-6h.
Step 2 in the present invention）In, the condition of the second melting can select in a wide range, but in order to make system
The automobile engine hollow tube obtained has superior cold resistant property, it is preferable that in step 2）In, second melting at least meet with
Lower condition：Melting temperature is 225-240 DEG C, melting time 40-60min.
Step 2 in the present invention）In, the mode of forming processes can select in a wide range, but in order to make system
The automobile engine hollow tube obtained has superior cold resistant property, it is preferable that in step 3）In, forming processes are using injection molding
Mode carries out, also, the temperature of injection moulding mould head is 190-210 DEG C.
The present invention also provides a kind of preparation method of freeze proof automobile engine hollow tube, the freeze proof automobile engine is hollow
Pipe is prepared by above-mentioned preparation method.
The present invention will be described in detail by way of examples below.
Embodiment 1
1）By isoprene rubber, DMDPTD dimethyl diphenylthiuram disulfide, 2- benzothiazolyl mercaptans, strontium peroxide according to 1：
0.2：0.02：0.02 weight ratio carries out vulcanizing treatment in enclosed environment（Curing temperature asks 100 DEG C, vulcanization time 6h；Pressure
It is made of with low pressure section continuous alternate High Voltage section by force, the pressure of High Voltage section is 3MPa, and the pressure of low pressure section is
0.3MPa；The time ratio of High Voltage section and low pressure section is 1：2.5）Modified isoprene rubber is made；
2）By silicon rubber, neoprene, nanomete talc powder, hydroxymethyl cellulose, paraffin, zinc stearate, 3- aminopropyls three
Ethoxysilane, carbon fiber mixing, then carry out the first melting（Melting temperature is 250 DEG C, melting time 5h, the pressure forged
Power is 3.5Mpa）；Then modified isoprene rubber is added in the system of the first melting and carries out the second melting（Melting temperature is
230 DEG C, melting time 50min, the pressure forged is 2Mpa）Molten product is made（Silicon rubber, neoprene, nanometer are slided
The weight of mountain flour, hydroxymethyl cellulose, paraffin, zinc stearate, 3- aminopropyl triethoxysilanes, carbon fiber, modified isoprene rubber
Amount is than being 1：1.1：0.12：0.04：0.3：0.05：0.15：0.08：0.5）；
3）Molten product is molded（The temperature of injection moulding mould head is 200 DEG C）Freeze proof automobile engine hollow tube is made
A1。
Embodiment 2
1）By isoprene rubber, DMDPTD dimethyl diphenylthiuram disulfide, 2- benzothiazolyl mercaptans, strontium peroxide according to 1：
0.15：0.01：0.01 weight ratio carries out vulcanizing treatment in enclosed environment（Curing temperature asks 80 DEG C, vulcanization time 5h；Pressure
It is made of with low pressure section continuous alternate High Voltage section by force, the pressure of High Voltage section is 2MPa, and the pressure of low pressure section is
0.1MPa；The time ratio of High Voltage section and low pressure section is 1：2）Modified isoprene rubber is made；
2）By silicon rubber, neoprene, nanomete talc powder, hydroxymethyl cellulose, paraffin, zinc stearate, 3- aminopropyls three
Ethoxysilane, carbon fiber mixing, then carry out the first melting（Melting temperature is 245 DEG C, melting time 4h, the pressure forged
Power is 3Mpa）；Then modified isoprene rubber is added in the system of the first melting and carries out the second melting（Melting temperature is 225
DEG C, melting time 40min, the pressure forged is 1Mpa）Molten product is made（Silicon rubber, neoprene, nano-talc
The weight of powder, hydroxymethyl cellulose, paraffin, zinc stearate, 3- aminopropyl triethoxysilanes, carbon fiber, modified isoprene rubber
Than being 1：1：0.1：0.02：0.2：0.03：0.1：0.06：0.4）；
3）Molten product is molded（The temperature of injection moulding mould head is 190 DEG C）Freeze proof automobile engine hollow tube is made
A2。
Embodiment 3
1）By isoprene rubber, DMDPTD dimethyl diphenylthiuram disulfide, 2- benzothiazolyl mercaptans, strontium peroxide according to 1：
0.30：0.03：0.03 weight ratio carries out vulcanizing treatment in enclosed environment（Curing temperature asks 120 DEG C, vulcanization time 8h；
Pressure is made of continuous alternate High Voltage section with low pressure section, and the pressure of High Voltage section is 4MPa, and the pressure of low pressure section is
0.5MPa；The time ratio of High Voltage section and low pressure section is 1：3）Modified isoprene rubber is made；
2）By silicon rubber, neoprene, nanomete talc powder, hydroxymethyl cellulose, paraffin, zinc stearate, 3- aminopropyls three
Ethoxysilane, carbon fiber mixing, then carry out the first melting（Melting temperature is 255 DEG C, melting time 6h, the pressure forged
Power is 4Mpa）；Then modified isoprene rubber is added in the system of the first melting and carries out the second melting（Melting temperature is 240
DEG C, melting time 60min, the pressure forged is 2.5Mpa）Molten product is made（Silicon rubber, neoprene, nano-talc
The weight of powder, hydroxymethyl cellulose, paraffin, zinc stearate, 3- aminopropyl triethoxysilanes, carbon fiber, modified isoprene rubber
Than being 1：1.2：0.15：0.06：0.4：0.06：0.18：0.10：0.6）；
3）Molten product is molded（The temperature of injection moulding mould head is 210 DEG C）Freeze proof automobile engine hollow tube is made
A3。
Comparative example 1
Automobile engine hollow tube B1 is prepared Following the procedure of Example 1, unlike, step 1）In pressure be height
Pressure section.
Comparative example 2
Automobile engine hollow tube B2 is prepared Following the procedure of Example 1, unlike, step 1）In pressure be low
Pressure section.
Comparative example 3
Automobile engine hollow tube B3 is prepared Following the procedure of Example 1, unlike, step 2）In first melting not
It is forged.
Comparative example 4
Automobile engine hollow tube B4 is prepared Following the procedure of Example 1, unlike, step 2）In second melting not
It is forged.
Detect example 1
The brittle temperature of above-mentioned automobile engine hollow tube is detected according to GB/T 5470-2008, concrete outcome is shown in Table 1.
Table 1
Wherein, brittle temperature is lower shows that the winter resistance of automobile engine hollow tube is more excellent.
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 (9)
1. a kind of preparation method of freeze proof automobile engine hollow tube, which is characterized in that the preparation method includes：
1）By isoprene rubber, DMDPTD dimethyl diphenylthiuram disulfide, 2- benzothiazolyl mercaptans, strontium peroxide in enclosed environment
Middle progress vulcanizing treatment is to be made modified isoprene rubber；
2）By silicon rubber, neoprene, nanomete talc powder, hydroxymethyl cellulose, paraffin, zinc stearate, three ethoxy of 3- aminopropyls
Base silane, carbon fiber mixing, then carry out the first melting；Then the modified isoprene rubber is added to first melting
The second melting is carried out in system so that molten product is made；
3）The molten product is subjected to forming processes so that the freeze proof automobile engine hollow tube is made；
Wherein, in step 1）In, the pressure in the vulcanizing treatment is made of continuous alternate High Voltage section with low pressure section, institute
The pressure for stating High Voltage section is 2-4MPa, and the pressure of the low pressure section is 0.1-0.5MPa, and first melting process is simultaneously
It is forged and the pressure forged is 3-4MPa, second melting process, which is carried out at the same time, to be forged and the pressure forged is 1-
2.5MPa 。
2. preparation method according to claim 1, wherein in step 1）In, the isoprene rubber, dimethyl disulfide two
Phenyl thiuram, 2- benzothiazolyl mercaptans, strontium peroxide weight ratio be 1：0.15-0.30：0.01-0.03：0.01-
0.03。
3. preparation method according to claim 1, wherein in step 1）In, the vulcanizing treatment meets the following conditions：Sulphur
It is 80-120 DEG C to change temperature, vulcanization time 5-8h.
4. preparation method according to claim 1, wherein in step 1）In, the High Voltage section and low pressure section when
Between than be 1：2-3.
5. according to the preparation method described in any one of claim 1-4, wherein in step 2）In, the silicon rubber, neoprene
Rubber, nanomete talc powder, hydroxymethyl cellulose, paraffin, zinc stearate, 3- aminopropyl triethoxysilanes, carbon fiber, modification are different
The weight ratio of penta rubber is 1：1-1.2：0.1-0.15：0.02-0.06：0.2-0.4：0.03-0.06：0.1-0.18：0.06-
0.10：0.4-0.6.
6. preparation method according to claim 5, wherein in step 2）In, first melting at least meets following item
Part：Melting temperature is 245-255 DEG C, melting time 4-6h.
7. preparation method according to claim 5, wherein in step 2）In, second melting at least meets following item
Part：Melting temperature is 225-240 DEG C, melting time 40-60min.
8. the preparation method described according to claim 6 or 7, wherein in step 3）In, the forming processes are using the side being molded
Formula carries out, also, the temperature of injection moulding mould head is 190-210 DEG C.
9. a kind of freeze proof automobile engine hollow tube, which is characterized in that the freeze proof automobile engine hollow tube is wanted by right
The preparation method described in any one of 1-8 is asked to be prepared.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810921510.0A CN108976533A (en) | 2017-08-31 | 2017-08-31 | Freeze proof automobile engine hollow tube and preparation method thereof |
| CN201710770878.7A CN107325358B (en) | 2017-08-31 | 2017-08-31 | A kind of freeze proof automobile engine hollow tube and preparation method thereof |
| CN201810921037.6A CN108976532A (en) | 2017-08-31 | 2017-08-31 | A kind of freeze proof automobile engine hollow tube and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710770878.7A CN107325358B (en) | 2017-08-31 | 2017-08-31 | A kind of freeze proof automobile engine hollow tube and preparation method thereof |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810921037.6A Division CN108976532A (en) | 2017-08-31 | 2017-08-31 | A kind of freeze proof automobile engine hollow tube and preparation method thereof |
| CN201810921510.0A Division CN108976533A (en) | 2017-08-31 | 2017-08-31 | Freeze proof automobile engine hollow tube and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107325358A CN107325358A (en) | 2017-11-07 |
| CN107325358B true CN107325358B (en) | 2018-10-02 |
Family
ID=60204248
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810921510.0A Withdrawn CN108976533A (en) | 2017-08-31 | 2017-08-31 | Freeze proof automobile engine hollow tube and preparation method thereof |
| CN201810921037.6A Withdrawn CN108976532A (en) | 2017-08-31 | 2017-08-31 | A kind of freeze proof automobile engine hollow tube and preparation method thereof |
| CN201710770878.7A Active CN107325358B (en) | 2017-08-31 | 2017-08-31 | A kind of freeze proof automobile engine hollow tube and preparation method thereof |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810921510.0A Withdrawn CN108976533A (en) | 2017-08-31 | 2017-08-31 | Freeze proof automobile engine hollow tube and preparation method thereof |
| CN201810921037.6A Withdrawn CN108976532A (en) | 2017-08-31 | 2017-08-31 | A kind of freeze proof automobile engine hollow tube and preparation method thereof |
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| Country | Link |
|---|---|
| CN (3) | CN108976533A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2143984A1 (en) * | 2008-07-08 | 2010-01-13 | Eaton Fluid Power GmbH | Reinforced flexible hose |
| CN103601940A (en) * | 2013-10-28 | 2014-02-26 | 青岛嘉利福环保科技有限公司 | Oil resistant rubber tube for floor scrubbing machine |
| CN103697254A (en) * | 2013-12-24 | 2014-04-02 | 苏州华东橡胶工业有限公司 | Hydraulic rubber hose |
| CN104046035A (en) * | 2014-06-28 | 2014-09-17 | 青岛极致节能环保有限公司 | Improved flame-retardant rubber |
| CN107033402A (en) * | 2017-05-10 | 2017-08-11 | 广西桂山特种橡胶制品有限公司 | A kind of RUBBER O type sealing ring and preparation method thereof |
-
2017
- 2017-08-31 CN CN201810921510.0A patent/CN108976533A/en not_active Withdrawn
- 2017-08-31 CN CN201810921037.6A patent/CN108976532A/en not_active Withdrawn
- 2017-08-31 CN CN201710770878.7A patent/CN107325358B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2143984A1 (en) * | 2008-07-08 | 2010-01-13 | Eaton Fluid Power GmbH | Reinforced flexible hose |
| CN103601940A (en) * | 2013-10-28 | 2014-02-26 | 青岛嘉利福环保科技有限公司 | Oil resistant rubber tube for floor scrubbing machine |
| CN103697254A (en) * | 2013-12-24 | 2014-04-02 | 苏州华东橡胶工业有限公司 | Hydraulic rubber hose |
| CN104046035A (en) * | 2014-06-28 | 2014-09-17 | 青岛极致节能环保有限公司 | Improved flame-retardant rubber |
| CN107033402A (en) * | 2017-05-10 | 2017-08-11 | 广西桂山特种橡胶制品有限公司 | A kind of RUBBER O type sealing ring and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107325358A (en) | 2017-11-07 |
| CN108976533A (en) | 2018-12-11 |
| CN108976532A (en) | 2018-12-11 |
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