CN104962071A - Sealing rubber ring - Google Patents
Sealing rubber ring Download PDFInfo
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- CN104962071A CN104962071A CN201510441953.6A CN201510441953A CN104962071A CN 104962071 A CN104962071 A CN 104962071A CN 201510441953 A CN201510441953 A CN 201510441953A CN 104962071 A CN104962071 A CN 104962071A
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Abstract
The invention discloses a sealing rubber ring which comprises the following raw materials: nitrile rubber, polyether urethane rubber, stearic acid, hydroxyl silicone oil, zinc oxide powder, copper powder, conductive carbon black powder, an accelerant M, asphalt, diethylene glycol, zinc stearate and anti-frosting glue. The sealing rubber ring disclosed by the invention has the advantages of stable performance, corrosion resistance, pollution resistance, high-temperature resistance, high tensile strength, high elongation and good flame retardance and insulating property, wherein the tensile strength is improved by 64% over the prior art.
Description
Technical field
The present invention relates to rubber pad technical field, particularly relate to a kind of sealing rubber ring of high temperature resistance.
Background technology
Rubber seal traditional on market, be applied to the every field of productive life, if under rugged environment, run into the functional characteristics that strong acid and strong base can destroy rubber ring itself, affect normally carrying out of productive life, therefore, to the rubber ring under this type of environment to oil resistant, heat-resisting, corrosion-resistantly have certain requirement.
As application number: the 201410337451.4 a kind of O RunddichtringOs provided, this sealing-ring stability, thermotolerance and erosion resistance are good, but after tested, its tensile strength can only reach 14MPa, and tensile yield can only reach 420%.
Summary of the invention
In order to overcome the problems referred to above, the invention provides an Artenkreis stability, thermotolerance and erosion resistance good, and the sealing rubber ring that tensile strength is high, tear strength is high.
For achieving the above object, technical scheme provided by the invention is:
A kind of sealing rubber ring, is prepared from by the raw material of following parts by weight: paracril: 35 parts, polyether types of polyurethane rubber: 46 parts, stearic acid: 2.1 parts, hydroxy silicon oil: 3.5 parts, zinc oxide: 10 parts, copper powder: 16.1 parts, graphitized carbon black: 22 parts, captax: 1.6 parts, pitch: 0.7 part, glycol ether: 1.3 parts, Zinic stearas: 4.8 parts, press down white glue: 2.9 parts.
Also comprise sterilant: 0.5-1.8 part.
Described sterilant is provided with 0.5 part.
Described sterilant is one or more in zinc ethylenebisdithiocarbamate, isothiazolinone and dimethomorph.
the usefulness of technique scheme is:
Through a kind of sealing rubber ring provided by the invention, stable performance, anticorrosive, antipollution, high temperature resistant, tensile strength is high, elongation is high, and have excellent flame retardant resistance and insulativity, and its tensile strength compared with prior art improves 64%.
Embodiment
embodiment 1
A kind of sealing rubber ring, is prepared from by the raw material of following parts by weight:
Paracril: 35 parts, polyether types of polyurethane rubber: 46 parts, stearic acid: 2.1 parts, hydroxy silicon oil: 3.5 parts, zinc oxide: 10 parts, copper powder: 16.1 parts, graphitized carbon black: 22 parts, captax: 1.6 parts, pitch: 0.7 part, glycol ether: 1.3 parts, Zinic stearas: 4.8 parts, sterilant: 0.5 part, press down white glue: 2.9 parts.
Each raw material is taken according to above-mentioned weight, then paracril is added Banbury mixer, control temperature is 40-60 DEG C, control pressure is 6-7MPa, stirring reaction 5-7 minute, and then add polyether types of polyurethane rubber to Banbury mixer, stearic acid, hydroxy silicon oil, zinc oxide, control temperature is 40-50 DEG C, control pressure is 5-6MPa, stirring reaction 8 minutes, and then add remaining raw material to Banbury mixer, control temperature is 30-45 DEG C, control pressure is 2-3MPa, stirring reaction 4 minutes, lonely to room temperature, obtain sheet rubber, cutting is shaping, deburring, namely sealing rubber ring is obtained.
Concrete, each raw material is taken according to above-mentioned weight, then paracril is added Banbury mixer, control temperature is 55 DEG C, and control pressure is 6MPa, stirring reaction 5 minutes, and then adding polyether types of polyurethane rubber, stearic acid, hydroxy silicon oil, zinc oxide to Banbury mixer, control temperature is 40 DEG C, and control pressure is 5.7MPa, stirring reaction 8 minutes, and then adding remaining raw material to Banbury mixer, control temperature is 45 DEG C, and control pressure is 2MPa, stirring reaction 4 minutes, lonely to room temperature, obtain sheet rubber, cutting is shaping, deburring, namely obtains sealing rubber ring.
embodiment 2
A kind of sealing rubber ring as described in Example 1, is prepared from by the raw material of following parts by weight:
Paracril: 36 parts, polyether types of polyurethane rubber: 48 parts, stearic acid: 2.2 parts, hydroxy silicon oil: 3.5 parts, zinc oxide: 13 parts, copper powder: 16.4 parts, graphitized carbon black: 23 parts, captax: 1.5 parts, pitch: 1.5 parts, glycol ether: 1.4 parts, Zinic stearas: 5.2 parts, sterilant: 1.5 parts, press down white glue: 3.1 parts.
embodiment 3
A kind of sealing rubber ring as described in Example 1, is prepared from by the raw material of following parts by weight:
Paracril: 32 parts, polyether types of polyurethane rubber: 44 parts, stearic acid: 1.9 parts, hydroxy silicon oil: 3.4 parts, zinc oxide: 14 parts, copper powder: 16 parts, graphitized carbon black: 21 parts, captax: 1.5 parts, pitch: 1.0 parts, glycol ether: 0.8 part, Zinic stearas: 4.9 parts, sterilant: 1.8 parts, press down white glue: 2.8 parts.
embodiment 4
A kind of sealing rubber ring as described in Example 1, is prepared from by the raw material of following parts by weight:
Paracril: 30 parts, polyether types of polyurethane rubber: 49 parts, stearic acid: 1.7 parts, hydroxy silicon oil: 3.6 parts, zinc oxide: 10 parts, copper powder: 16.4 parts, graphitized carbon black: 20 parts, captax: 1.6 parts, pitch: 0.5 part, glycol ether: 1.5 parts, Zinic stearas: 4.2 parts, sterilant: 1.8 parts, press down white glue: 2.5 parts.
embodiment 5
A kind of sealing rubber ring as described in Example 1, is prepared from by the raw material of following parts by weight:
Paracril: 38 parts, polyether types of polyurethane rubber: 42 parts, stearic acid: 2.3 parts, hydroxy silicon oil: 3.4 parts, zinc oxide: 14 parts, copper powder: 16 parts, graphitized carbon black: 24 parts, captax: 1.4 parts, pitch: 2 parts, glycol ether: 0.4 part, Zinic stearas: 5.3 parts, sterilant: 0.5 part, press down white glue: 3.4 parts.
performance test:
The present invention performs national standard: GB/T 528-1998, and to the mensuration of finished product rubber ring tensile stress-strain performance, test-results is as shown in table 1, and performance multiple correlation specifies.
Table 1:
Can be found out by table 1, through the finished product rubber ring obtained by above-mentioned five embodiments of the present invention, be about to include paracril: 30-38 part, polyether types of polyurethane rubber: 42-49 part, stearic acid: 1.7-2.3 part, hydroxy silicon oil: 3.4-3.6 part, zinc oxide: 10-14 part, copper powder: 16-16.4 parts, graphitized carbon black: 20-24 part, captax: 1.4-1.6 part, pitch: 0.5-2 part, glycol ether: 0.4-1.5 part, Zinic stearas: 4.2-5.3 part, press down white glue: the rubber ring obtained by the raw material of 2.5-3.4 part, its performance meets concerned countries standard regulation.
test one:for the mensuration of finished product rubber ring tensile strength performance.
test materials:adopt the sealing-ring of 7 same specifications, be respectively: the rubber ring obtained by the present invention's five embodiments, application number are rubber ring and the General Purpose Rubber circle of 201410337451.4.
test method:carry out according to standard GB/T/T 528-1998 prescriptive procedure, select dumbbell shaped 1 type sample (initial gage of sample is 25mm ± 0.5mm), trial speed is 500mm/min ± 50mm/min, and tensile strength calculates as follows:
TS=
In formula: TS-tensile strength, MPa;
The maximum, force of Fm-record, N;
The narrow and small parallel portion width of W-cut-off knife, mm;
The thickness of t-test length part, mm.
In this test, cut-off knife size selects 2 types, its W=4.0mm; Test length part t thickness=2.65mm.
test-results:
1, rubber ring obtained by the embodiment of the present invention one:
Through test, its tensile strength TS=22 MPa.
2, rubber ring obtained by the embodiment of the present invention two:
Through test, its tensile strength TS=17 MPa.
3, rubber ring obtained by the embodiment of the present invention three:
Through test, its tensile strength TS=18 MPa.
4, rubber ring obtained by the embodiment of the present invention four:
Through test, its tensile strength TS=18 MPa.
5, rubber ring obtained by the embodiment of the present invention five:
Through test, its tensile strength TS=20 MPa.
6, application number rubber ring obtained by 201410337451.4:
Through test, its tensile strength TS=14 MPa.
7, General Purpose Rubber circle:
Through test, its tensile strength TS=10 MPa.
conclusion (of pressure testing):
Can find out by testing a test-results, through the finished product rubber ring obtained by above-mentioned five embodiments of the present invention, being about to include paracril: 30-38 part, polyether types of polyurethane rubber: 42-49 part, stearic acid: 1.7-2.3 part, hydroxy silicon oil: 3.4-3.6 part, zinc oxide: 10-14 part, copper powder: 16-16.4 parts, graphitized carbon black: 20-24 part, captax: 1.4-1.6 part, pitch: 0.5-2 part, glycol ether: 0.4-1.5 part, Zinic stearas: 4.2-5.3 part, press down white glue: the rubber ring obtained by the raw material of 2.5-3.4 part, its tensile strength, higher than prior art, fartherly exceedes General Purpose Rubber circle, is wherein about to include paracril with embodiment one: 35 parts, polyether types of polyurethane rubber: 46 parts, stearic acid: 2.1 parts, hydroxy silicon oil: 3.5 parts, zinc oxide: 10 parts, copper powder: 16.1 parts, graphitized carbon black: 22 parts, captax: 1.6 parts, pitch: 0.7 part, glycol ether: 1.3 parts, Zinic stearas: 4.8 parts, sterilant: 0.5 part, press down white glue: the rubber ring performance obtained by the raw material of 2.9 parts is best, and its tensile strength reaches 22MPa.
test two:for the mensuration of finished product rubber ring tensile yield.
test materials:adopt the sealing-ring of 7 same specifications, be respectively: the rubber ring obtained by the present invention's five embodiments, application number are rubber ring and the General Purpose Rubber circle of 201410337451.4.
test method:carry out according to standard GB/T/T 528-1998 prescriptive procedure, select dumbbell shaped 1 type sample (initial gage of sample is 25mm ± 0.5mm), trial speed is 500mm/min ± 50mm/min, and tensile yield calculates as follows:
Eb==
In formula: Eb-tensile yield, (%)
Gauge length during Lb-style fracture, (mm);
The initial gage of Lo-test, (mm).
test-results:
1, rubber ring obtained by the embodiment of the present invention one:
Through test, its tensile yield Eb=600%.
2, rubber ring obtained by the embodiment of the present invention two:
Through test, its tensile yield Eb=520%.
3, rubber ring obtained by the embodiment of the present invention three:
Through test, its tensile yield Eb=580%.
4, rubber ring obtained by the embodiment of the present invention four:
Through test, its tensile yield Eb=540%.
5, rubber ring obtained by the embodiment of the present invention five:
Through test, its tensile yield Eb=540%.
6, application number rubber ring obtained by 201410337451.4:
Through test, its tensile yield Eb=420%.
7, General Purpose Rubber circle:
Through test, its tensile yield Eb=300%.
conclusion (of pressure testing):
Can find out by testing two test-results, through the finished product rubber ring obtained by above-mentioned five embodiments of the present invention, being about to include paracril: 30-38 part, polyether types of polyurethane rubber: 42-49 part, stearic acid: 1.7-2.3 part, hydroxy silicon oil: 3.4-3.6 part, zinc oxide: 10-14 part, copper powder: 16-16.4 parts, graphitized carbon black: 20-24 part, captax: 1.4-1.6 part, pitch: 0.5-2 part, glycol ether: 0.4-1.5 part, Zinic stearas: 4.2-5.3 part, press down white glue: the rubber ring obtained by the raw material of 2.5-3.4 part, its tensile yield, higher than prior art, fartherly exceedes General Purpose Rubber circle, is wherein about to include paracril with embodiment one: 35 parts, polyether types of polyurethane rubber: 46 parts, stearic acid: 2.1 parts, hydroxy silicon oil: 3.5 parts, zinc oxide: 10 parts, copper powder: 16.1 parts, graphitized carbon black: 22 parts, captax: 1.6 parts, pitch: 0.7 part, glycol ether: 1.3 parts, Zinic stearas: 4.8 parts, sterilant: 0.5 part, press down white glue: the rubber ring performance obtained by the raw material of 2.9 parts is best, and its tensile yield reaches 600%.
Claims (5)
1. a sealing rubber ring, is characterized in that: the raw material comprising following parts by weight: paracril: 30-38 part, polyether types of polyurethane rubber: 42-49 part, stearic acid: 1.7-2.3 part, hydroxy silicon oil: 3.4-3.6 part, zinc oxide: 10-14 part, copper powder: 16-16.4 parts, graphitized carbon black: 20-24 part, captax: 1.4-1.6 part, pitch: 0.5-2 part, glycol ether: 0.4-1.5 part, Zinic stearas: 4.2-5.3 part, press down white glue: 2.5-3.4 part.
2. a kind of sealing rubber ring as claimed in claim 1, is characterized in that: be prepared from by the raw material of following parts by weight: paracril: 35 parts, polyether types of polyurethane rubber: 46 parts, stearic acid: 2.1 parts, hydroxy silicon oil: 3.5 parts, zinc oxide: 10 parts, copper powder: 16.1 parts, graphitized carbon black: 22 parts, captax: 1.6 parts, pitch: 0.7 part, glycol ether: 1.3 parts, Zinic stearas: 4.8 parts, press down white glue: 2.9 parts.
3. a kind of sealing rubber ring as claimed in claim 1, is characterized in that: also comprise sterilant: 0.5-1.8 part.
4. a kind of sealing rubber ring as claimed in claim 3, is characterized in that: described sterilant is provided with 0.5 part.
5. a kind of sealing rubber ring as described in claim 3 or 4, is characterized in that: described sterilant is one or more in zinc ethylenebisdithiocarbamate, isothiazolinone and dimethomorph.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510441953.6A CN104962071B (en) | 2015-07-25 | 2015-07-25 | A kind of sealing rubber ring |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510441953.6A CN104962071B (en) | 2015-07-25 | 2015-07-25 | A kind of sealing rubber ring |
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| CN104962071B CN104962071B (en) | 2018-03-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750657A (en) * | 2016-12-27 | 2017-05-31 | 安徽亚兰密封件有限公司 | A kind of cold resistant rubber encapsulant |
| CN107936530A (en) * | 2017-12-04 | 2018-04-20 | 宁波斯凯勒智能科技有限公司 | A kind of sealing material for machinery industry and preparation method thereof |
| CN108976513A (en) * | 2018-07-23 | 2018-12-11 | 宁国市瑞普密封件有限公司 | A kind of rubber seal preparation method for automobile oil seal |
| CN109503905A (en) * | 2018-12-27 | 2019-03-22 | 无锡市兰翔胶业有限公司 | A kind of high-lubricity rubber ring |
| CN112759808A (en) * | 2021-01-20 | 2021-05-07 | 戚皎珺 | Butyronitrile latex for medical examination gloves and preparation method thereof |
| CN113025034A (en) * | 2021-03-16 | 2021-06-25 | 厦门沪熠铭电子工业有限公司 | Aging-resistant sealing rubber ring |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360641A (en) * | 2013-06-20 | 2013-10-23 | 安徽春辉仪表线缆集团有限公司 | Oil-resistant rubber sealing element |
| CN104086980A (en) * | 2014-06-20 | 2014-10-08 | 广州机械科学研究院有限公司 | Oil-resistant low-temperature-resistant weather-proof rubber sealing material and preparation method and application thereof |
| CN104327330A (en) * | 2014-10-22 | 2015-02-04 | 青岛东泰诚恩新材料科技发展有限公司 | Oil-resistant nitrile-butadiene rubber sealing gasket formula |
-
2015
- 2015-07-25 CN CN201510441953.6A patent/CN104962071B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103360641A (en) * | 2013-06-20 | 2013-10-23 | 安徽春辉仪表线缆集团有限公司 | Oil-resistant rubber sealing element |
| CN104086980A (en) * | 2014-06-20 | 2014-10-08 | 广州机械科学研究院有限公司 | Oil-resistant low-temperature-resistant weather-proof rubber sealing material and preparation method and application thereof |
| CN104327330A (en) * | 2014-10-22 | 2015-02-04 | 青岛东泰诚恩新材料科技发展有限公司 | Oil-resistant nitrile-butadiene rubber sealing gasket formula |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106750657A (en) * | 2016-12-27 | 2017-05-31 | 安徽亚兰密封件有限公司 | A kind of cold resistant rubber encapsulant |
| CN107936530A (en) * | 2017-12-04 | 2018-04-20 | 宁波斯凯勒智能科技有限公司 | A kind of sealing material for machinery industry and preparation method thereof |
| CN108976513A (en) * | 2018-07-23 | 2018-12-11 | 宁国市瑞普密封件有限公司 | A kind of rubber seal preparation method for automobile oil seal |
| CN109503905A (en) * | 2018-12-27 | 2019-03-22 | 无锡市兰翔胶业有限公司 | A kind of high-lubricity rubber ring |
| CN112759808A (en) * | 2021-01-20 | 2021-05-07 | 戚皎珺 | Butyronitrile latex for medical examination gloves and preparation method thereof |
| CN113025034A (en) * | 2021-03-16 | 2021-06-25 | 厦门沪熠铭电子工业有限公司 | Aging-resistant sealing rubber ring |
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| CN104962071B (en) | 2018-03-23 |
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