CN1423075A - Rubber sealing washer and method of manufacturing the same - Google Patents
Rubber sealing washer and method of manufacturing the same Download PDFInfo
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- CN1423075A CN1423075A CN 01135097 CN01135097A CN1423075A CN 1423075 A CN1423075 A CN 1423075A CN 01135097 CN01135097 CN 01135097 CN 01135097 A CN01135097 A CN 01135097A CN 1423075 A CN1423075 A CN 1423075A
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Abstract
The invention discloses a rubber sealed ring and the manufacturing method; it belongs to rubber product field. It crushes the natural rubber and adds in butyl rubber and presses, then adds in fillers which are made up of light calcium, porcelain clay, silicon minim powder; the accelerant of zinc oxygen powder, stearic acid; softening agent of a-benzene phthalein acid and oxalic acid; aging-resistant agent; vulcanizer; coloring agent in order, through repeatedly pressing, carries into squeezer to squeeze and fix, then fixes it through vulcanizing craft, then gets the rubber sealed ring which has absorbing swell and shrinking back performance.
Description
Technical field:
The invention belongs to the rubber product technical field, but disclose a kind of imbibition, the recoverable again rubber seal of shrinking and preparation method specifically.
Background technique:
The aqueduct of present various long distances, all be adopt cement pipe or through the pipeline socket joint of antiseptic iron pipe or other materials connect or buried in underground or overhead in the air.In the work progress of aqueduct, owing to place the seal ring of pipeline joint socket can not water-swellable,, just can reach the effect that joint socket seals so pipeline must be pushed during construction.But when in the pipeline as long as joint socket seal ring damages when needing to change, then must remove nearly all pipeline, the seal ring that therefore existing aqueduct joint socket uses exists self not have and expands and the especially shortcoming of maintenance difficult that causes constructing.
Summary of the invention:
Purpose of the present invention just provides rubber seal of a kind of imbibition shrink recovery and preparation method thereof.Its component for preparing the rubber seal of this imbibition shrink recovery comprises:
Natural rubber 48-51 cis-butadiene cement 10-15 promoter 2.4-2.8
The bulking agent of forming by fine particle calcium carbonate 6-7, china clay 12-13, silicon powder 3-4
Antiager 0.2-0.5
The tenderer of forming by a-benzene phthalein acid 6-8, oxalic acid 5-6 weight portion
Vulcanzing agent 0.1-0.5 weight portion.
In addition: described promoter is made up of Zinc Oxide, stearic acid; Described Zinc Oxide, stearic weight portion are respectively: 1.8-2.0,0.6-0.8.
The method step that utilizes the component of above-mentioned weight portion to prepare seal ring is:
The first step: the natural rubber of plasticating
1. at first get natural rubber and broken;
2. the forward and backward roller spacing with rubber mixing machine transfers to 1-1.5mm, broken natural rubber is added wherein thin-pass refining glue 12-15 time;
3. the forward and backward roller spacing with rubber mixing machine transfers to 5-8mm, again the sheet rubber of thin-pass is pressed into the thick smooth film of 5-8mm, coats isolating agent, parks to be no less than 20 hours;
Second step: mixing
1. add cis-butadiene cement in the smooth sheet rubber that will form, put into forward and backward roller spacing in the lump and transfer to the thick rubber mixing machine of 1-1.5mm, the compacting thin-pass through plasticating;
2. it is rolling evenly to add the promoter of being made up of Zinc Oxide and stearic acid again, the forward and backward roller spacing of rubber mixing machine is transferred to 4-5mm, after order adds bulking agent, antiager, tenderer, colorant and the vulcanzing agent of being made up of fine particle calcium carbonate, china clay and silicon powder, fully pressure rolling is even, adjust forward and backward roll spacing again to 0.5-1mm, 2 times rules of thin-pass;
3. after forward and backward roller spacing being transferred to 5-7mm, with the triangle bag of rule, the pitch cutting of bag roller;
The 3rd step: expressing technique
The head temperature of extruder is transferred to 45-55 ℃, after shape of the mouth as one speaks temperature transfers to 60-70 ℃, pitch cutting is added extruder extrude, put into mould-forming;
The 4th step: sulfuration process
The seal ring that places shaping die is inserted 140-150 ℃ vulcanizer, vulcanized 15-22 minute.
The 5th step: depanning
Vulcanized seal ring depanning integer.
Wherein: described isolating agent is precipitated calcium carbonate or French chalk; The temperature of the forward and backward roller of described rubber mixing machine is 40-60 ℃; The rotating ratio of the forward and backward roller of described rubber mixing machine is 1: 22-24; Described colorant is red He Shi or phthalocyanine edge or carbon black;
Utilize the component that is provided to compare with prior art with the rubber seal that method is prepared, its physical and mechanical properties index not only meets the professional standard ZBQ43001-87 of the People's Republic of China (PRC) of cement pressure tube rubber ring fully, but also the advantage that has imbibition, shrinks and restore, it absorbs expansivity 10～5%.In aqueduct, use it, not only when constructing, need not firmly extrusion pipe, alleviated difficulty of construction, and after the seal ring damage, the dismounting maintenance is very convenient, can get final product by the adjacent several pipelines that do not have to push of independent dismounting.
Embodiment:
Promptly below in conjunction with example: the technological method for preparing water swelling rubber seal ring proposed by the invention is described in further detail:
Example 1:
The first step: the natural rubber of plasticating
1. at first get 48 kilograms of natural rubbers and broken;
2. the forward and backward roller spacing with rubber mixing machine transfers to 1mm, the natural rubber of fragmentation is added wherein thin-pass refining glue 15 times;
3. the forward and backward roller spacing with rubber mixing machine transfers to 8mm, and the sheet rubber with thin-pass is pressed into the thick smooth film of 8mm again, coats precipitated calcium carbonate and makes isolating agent, parks 22 hours;
Second step: mixing
1. will in the smooth sheet rubber that plasticating technology is made, add 15 kilograms of cis-butadiene cements and put into forward and backward roller spacing in the lump and transfer to the thick rubber mixing machine of 1.5mm, the compacting thin-pass;
2. it is rolling evenly to add the promoter that the stearic acid of 2.0 kilograms Zinc Oxide and 0.6 kilogram forms again, after will transfer to 4mm between the forward and backward roller of rubber mixing machine, order adds after tenderer that bulking agent that 7 kilograms fine particle calcium carbonate, 12 kilograms of china clay and 4 kilograms of silicon powders form, 0.4 kilogram make antiager, be made up of 6 kilograms of a-benzene phthalein acids, 6 kilograms of oxalic acid, 0.04 kilogram of red hertz of stone flour make the sulphur of colorant and 0.1 kilogram and make vulcanzing agent, fully pressure rolling is even, adjust forward and backward roll spacing again to 1mm, 2 times rules of thin-pass;
3. after forward and backward roll spacing being transferred to 5mm, with the triangle bag of rule, the pitch cutting of bag roller;
The 3rd step: expressing technique
The head temperature of extruder is transferred to 50 ℃ ± 5, and shape of the mouth as one speaks temperature adds extruder with pitch cutting after transferring to 65 ℃ ± 5, extrudes and puts into mould-forming;
The 4th step: sulfuration process
The seal ring that places shaping die is inserted 145 ℃ ± 5 vulcanizer, vulcanized 22 minutes.
The 5th step: depanning
Be about to vulcanized seal ring depanning integer, promptly made and met water inflatable about 20%, the recoverable rubber seal of water-break.
Example 2:
The first step: the natural rubber of plasticating
1. at first get 51 kilograms of natural rubbers and broken;
2. the forward and backward roller spacing with rubber mixing machine transfers to 1.5mm, the natural rubber of fragmentation is added wherein thin-pass refining glue 12 times;
3. the forward and backward roller spacing with rubber mixing machine transfers to 5mm, and the sheet rubber with thin-pass is pressed into the thick smooth film of 5mm again, coats French chalk and makes isolating agent, parks 24 hours;
Second step: mixing
1. 10 kilograms of cis-butadiene cements of adding in the smooth rubber of plasticating are put into forward and backward roller spacing in the lump and transfer to the thick rubber mixing machine of 1mm, the compacting thin-pass;
2. it is rolling evenly to add the promoter that the stearic acid of 1.8 kilograms Zinc Oxide and 0.8 kilogram forms again, after will transfer to 5mm between the forward and backward roller of rubber mixing machine, after the sulphur that the tenderer that order adds bulking agent that 6 kilograms fine particle calcium carbonate, 13 kilograms of china clay and 3 kilograms of silicon powders form, 0.2 kilogram of antiager, be made up of 8 kilograms of a-benzene phthalein acids, 5 kilograms of oxalic acid, 0.05 kilogram of 200 purpose carbon black powder are made colorant and 0.3 kilogram is made vulcanzing agent, fully pressure rolling is even, adjust forward and backward roll spacing again to 0.5mm, 2 times rules of thin-pass;
3. after forward and backward roll spacing being transferred to 7mm, with the triangle bag of rule, the pitch cutting of bag roller;
The 3rd step: expressing technique
The head temperature of extruder is transferred to 50 ℃ ± 5, and shape of the mouth as one speaks temperature adds extruder with pitch cutting after transferring to 65 ℃ ± 5, extrudes and puts into mould-forming;
The 4th step: sulfuration process
The seal ring that places shaping die is inserted 145 ℃ ± 5 vulcanizer, vulcanized 20 minutes.
The 5th step: depanning
Be about to vulcanized seal ring depanning integer, have water-swellable about 30% but be prepared into, and the rubber seal of the recoverable black of water-break.
Example 3:
The first step: the natural rubber of plasticating
1. at first get 51 kilograms of natural rubbers and broken;
2. the forward and backward roller spacing with rubber mixing machine transfers to 1.3mm, the natural rubber of fragmentation is added wherein thin-pass refining glue 15 times;
3. the forward and backward roller spacing with rubber mixing machine transfers to 7mm, and the sheet rubber with thin-pass is pressed into the thick smooth film of 7mm again, coats precipitated calcium carbonate and makes isolating agent, parks 20 hours;
Second step: mixing
1. 13 kilograms of cis-butadiene cements of adding in the smooth rubber of plasticating are put into forward and backward roller spacing in the lump and transfer to the thick rubber mixing machine of 1.3mm, the compacting thin-pass;
2. it is rolling evenly to add the promoter that the stearic acid of 1.9 kilograms Zinc Oxide and 0.7 kilogram forms again, after will transfer to 4mm between the forward and backward roller of rubber mixing machine, after the sulphur that the tenderer that order adds bulking agent that 7 kilograms fine particle calcium carbonate, 13 kilograms of china clay and 4 kilograms of silicon powders form, 0.5 kilogram of antiager, be made up of 6 kilograms of a-benzene phthalein acids, 6 kilograms of oxalic acid, 0.04 kilogram 300 purpose phthalocyanine green stone flours are made colorant and 0.5 kilogram is made vulcanzing agent, fully pressure rolling is even, adjust forward and backward roll spacing again to 1mm, 2 times rules of thin-pass;
3. after forward and backward roll spacing being transferred to 5mm, with the triangle bag of rule, the pitch cutting of bag roller;
The 3rd step: expressing technique
The head temperature of extruder is transferred to 50 ℃ ± 5, and shape of the mouth as one speaks temperature adds extruder with pitch cutting after transferring to 65 ℃ ± 5, extrudes and puts into mould-forming;
The 4th step: sulfuration process
The seal ring that places shaping die is inserted 145 ℃ ± 5 vulcanizer, vulcanized 22 minutes.
The 5th step: depanning
Be about to vulcanized seal ring depanning integer, promptly be prepared into the rubber seal that performance is restored in green had water-swellable and water-break.
Claims (8)
1, a kind of rubber seal is characterized by the component that includes following weight portion:
Natural rubber 48-51 cis-butadiene cement 10-15 promoter 2.4-2.8
The bulking agent of forming by fine particle calcium carbonate 6-7, china clay 12-13, silicon powder 3-4
Antiager 0.2-0.5
The tenderer of forming by a-benzene phthalein acid 6-8, oxalic acid 5-6 weight portion
Vulcanzing agent 0.1-0.5 weight portion.
2, a kind of rubber seal as claimed in claim 1 is characterized by described promoter and is made up of Zinc Oxide, stearic acid.
3, a kind of rubber seal as claimed in claim 2 is characterized by described Zinc Oxide, stearic weight portion is respectively: 1.8-2.0,0.6-0.8.
4, the method for utilizing the component of the described weight portion of claim 1 to prepare rubber seal comprises the following steps:
The first step: the natural rubber of plasticating
1. at first get natural rubber and broken;
2. the forward and backward roller spacing with rubber mixing machine transfers to 1-1.5mm, broken natural rubber is added wherein thin-pass refining glue 12-15 time;
3. the forward and backward roller spacing with rubber mixing machine transfers to 5-8mm, again the sheet rubber of thin-pass is pressed into the thick smooth film of 5-8mm, coats isolating agent, parks to be no less than 20 hours;
Second step: mixing
1. add cis-butadiene cement in the smooth sheet rubber that will form, put into forward and backward roller spacing in the lump and transfer to the thick rubber mixing machine of 1-1.5mm, the compacting thin-pass through plasticating;
2. it is rolling evenly to add the promoter of being made up of Zinc Oxide and stearic acid again, the forward and backward roller spacing of rubber mixing machine is transferred to 4-5mm, after order adds bulking agent, antiager, tenderer, colorant and the vulcanzing agent of being made up of fine particle calcium carbonate, china clay and silicon powder, fully pressure rolling is even, adjust forward and backward roll spacing again to 0.5-1mm, 2 times rules of thin-pass;
3. after forward and backward roller spacing being transferred to 5-7mm, with the triangle bag of rule, the pitch cutting of bag roller;
The 3rd step: expressing technique
The head temperature of extruder is transferred to 45-55 ℃, after shape of the mouth as one speaks temperature transfers to 60-70 ℃, pitch cutting is added extruder extrude, put into mould-forming;
The 4th step: sulfuration process
The seal ring that places shaping die is inserted 140-150 ℃ vulcanizer, vulcanized 15-22 minute.
The 5th step: depanning
Vulcanized seal ring depanning integer.
5, the method for preparing rubber seal as claimed in claim 4, it is characterized by described isolating agent is precipitated calcium carbonate or French chalk.
6, the method for preparing rubber seal as claimed in claim 4, the temperature that it is characterized by the forward and backward roller of described rubber mixing machine is 40-60 ℃.
7, as claim 4 or the 6 described methods that prepare rubber seal, the rotating ratio that it is characterized by the forward and backward roller of described rubber mixing machine is 1: 22-24.
8, the method for preparing rubber seal as claimed in claim 4, it is characterized by described colorant is red He Shi or phthalocyanine edge or carbon black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01135097 CN1423075A (en) | 2001-12-06 | 2001-12-06 | Rubber sealing washer and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01135097 CN1423075A (en) | 2001-12-06 | 2001-12-06 | Rubber sealing washer and method of manufacturing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1423075A true CN1423075A (en) | 2003-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01135097 Pending CN1423075A (en) | 2001-12-06 | 2001-12-06 | Rubber sealing washer and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1423075A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099057B (en) * | 2004-11-22 | 2011-06-01 | 米德技术股份有限公司 | Fluid-activated shaft seal |
| CN102418367A (en) * | 2010-09-04 | 2012-04-18 | 汉沙金属工厂股份公司 | Centering sealing ring used for sanitary accessory, especially for wash basin accessory |
| CN102715828A (en) * | 2012-06-26 | 2012-10-10 | 中山市雄兵橡胶有限公司 | Method for producing seal ring of pressure cooker |
| CN102729481A (en) * | 2012-07-19 | 2012-10-17 | 自贡市佳世特密封制品有限公司 | Composite rubber film for pipe sealing rings and preparation method thereof |
| CN103665603A (en) * | 2013-11-15 | 2014-03-26 | 蚌埠市正园电子科技有限公司 | Modified butyl rubber sealing gasket material and preparation method thereof |
| CN103756029A (en) * | 2013-12-13 | 2014-04-30 | 芜湖金鹰机械科技开发有限公司 | Fluorubber material used for O-shaped loops |
| CN103756027A (en) * | 2013-12-04 | 2014-04-30 | 铜陵日兴电子有限公司 | Novel mixed rubber capacitor sealing ring and making method thereof |
| CN104844873A (en) * | 2015-06-05 | 2015-08-19 | 泉州海岸线新材料科技有限公司 | Process for manufacturing rubber material |
| CN107868295A (en) * | 2017-12-05 | 2018-04-03 | 马鞍山市东方仪表有限公司 | A kind of preparation method of high-strength vehicle instrument element rubber seal |
| CN108948451A (en) * | 2018-07-09 | 2018-12-07 | 特拓(青岛)轮胎技术有限公司 | The encapsulating method of closed-smelting machine rotor |
| CN111055509A (en) * | 2019-12-16 | 2020-04-24 | 河北莫申科技有限公司 | Manufacturing method of inflatable sealing ring |
-
2001
- 2001-12-06 CN CN 01135097 patent/CN1423075A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099057B (en) * | 2004-11-22 | 2011-06-01 | 米德技术股份有限公司 | Fluid-activated shaft seal |
| CN102418367B (en) * | 2010-09-04 | 2014-12-10 | 汉沙金属工厂股份公司 | Centering sealing ring used for sanitary accessory, especially for wash basin accessory |
| CN102418367A (en) * | 2010-09-04 | 2012-04-18 | 汉沙金属工厂股份公司 | Centering sealing ring used for sanitary accessory, especially for wash basin accessory |
| CN102715828A (en) * | 2012-06-26 | 2012-10-10 | 中山市雄兵橡胶有限公司 | Method for producing seal ring of pressure cooker |
| CN102729481A (en) * | 2012-07-19 | 2012-10-17 | 自贡市佳世特密封制品有限公司 | Composite rubber film for pipe sealing rings and preparation method thereof |
| CN102729481B (en) * | 2012-07-19 | 2015-01-28 | 自贡市佳世特密封制品有限公司 | Composite rubber film for pipe sealing rings and preparation method thereof |
| CN103665603A (en) * | 2013-11-15 | 2014-03-26 | 蚌埠市正园电子科技有限公司 | Modified butyl rubber sealing gasket material and preparation method thereof |
| CN103756027A (en) * | 2013-12-04 | 2014-04-30 | 铜陵日兴电子有限公司 | Novel mixed rubber capacitor sealing ring and making method thereof |
| CN103756027B (en) * | 2013-12-04 | 2016-05-11 | 铜陵日兴电子有限公司 | A kind of novel mixed rubber capacitor sealing ring and preparation method thereof |
| CN103756029A (en) * | 2013-12-13 | 2014-04-30 | 芜湖金鹰机械科技开发有限公司 | Fluorubber material used for O-shaped loops |
| CN104844873A (en) * | 2015-06-05 | 2015-08-19 | 泉州海岸线新材料科技有限公司 | Process for manufacturing rubber material |
| CN107868295A (en) * | 2017-12-05 | 2018-04-03 | 马鞍山市东方仪表有限公司 | A kind of preparation method of high-strength vehicle instrument element rubber seal |
| CN108948451A (en) * | 2018-07-09 | 2018-12-07 | 特拓(青岛)轮胎技术有限公司 | The encapsulating method of closed-smelting machine rotor |
| CN111055509A (en) * | 2019-12-16 | 2020-04-24 | 河北莫申科技有限公司 | Manufacturing method of inflatable sealing ring |
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