CN104962071B - A kind of sealing rubber ring - Google Patents
A kind of sealing rubber ring Download PDFInfo
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- CN104962071B CN104962071B CN201510441953.6A CN201510441953A CN104962071B CN 104962071 B CN104962071 B CN 104962071B CN 201510441953 A CN201510441953 A CN 201510441953A CN 104962071 B CN104962071 B CN 104962071B
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Abstract
A kind of sealing rubber ring, include the raw material of following parts by weight：Nitrile rubber, polyether types of polyurethane rubber, stearic acid, hydroxy silicon oil, zinc oxide part, copper powder, conductive black part, captax, pitch, diethylene glycol (DEG), zinc stearate, the white glue of suppression；Through a kind of sealing rubber ring provided by the invention, stable performance, anticorrosive, antipollution, high temperature resistant, tensile strength are high, elongation is high, and have excellent anti-flammability and insulating properties, and its tensile strength improves 64% compared with prior art.
Description
Technical field
The present invention relates to rubber blanket technical field, more particularly to a kind of sealing rubber ring of high temperature resistance.
Background technology
The traditional rubber seal of in the market, applied to the every field of production and living, if under rugged environment, meet
The functional characteristics of rubber ring in itself can be destroyed to strong acid and strong base, influence being normally carried out for production and living, therefore, to such environment
Under rubber ring to oil resistant, heat-resisting, corrosion-resistant have certain requirement.
Such as application number：201410337451.4 provide a kind of O-ring seals, this sealing ring stability, heat resistance and
Corrosion resistance is good, but after tested, its tensile strength can only achieve 14MPa, and elongation at break can only achieve 420%.
The content of the invention
In order to overcome above mentioned problem, the invention provides an Artenkreis stability, heat resistance and corrosion resistance are good, and stretch
The sealing rubber ring that intensity is high, tear resistance is high.
To achieve the above object, technical scheme provided by the invention is：
A kind of sealing rubber ring, it is prepared by the raw material of following parts by weight：Nitrile rubber：35 parts, polyether-type gathers
Urethane rubber：46 parts, stearic acid：2.1 parts, hydroxy silicon oil：3.5 parts, zinc oxide：10 parts, copper powder：16.1 parts, conductive charcoal
It is black：22 parts, captax：1.6 parts, pitch：0.7 part, diethylene glycol (DEG)：1.3 parts, zinc stearate：4.8 parts, the white glue of suppression：2.9
Part.
Also include bactericide：0.5-1.8 parts.
The bactericide is provided with 0.5 part.
The bactericide is one kind or more in zinc ethylenebisdithiocarbamate, OIT and dimethomorph
Kind.
Above-mentioned technical proposal is beneficial in that：
Through a kind of sealing rubber ring provided by the invention, stable performance, anticorrosive, antipollution, high temperature resistant, tensile strength
High, elongation height, and there is excellent anti-flammability and insulating properties, its tensile strength improves 64% compared with prior art.
Embodiment
Embodiment 1
A kind of sealing rubber ring, it is prepared by the raw material of following parts by weight：
Nitrile rubber：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, conductive black：22 parts, captax：1.6 parts, pitch：0.7 part, diethylene glycol (DEG)：
1.3 parts, zinc stearate：4.8 parts, bactericide：0.5 part, the white glue of suppression：2.9 part.
Each raw material is weighed according to above-mentioned weight, nitrile rubber is then added into banbury, it is 40-60 DEG C to control temperature, control
Pressing pressure is 6-7MPa, stirring reaction 5-7 minutes, then adds polyether types of polyurethane rubber, stearic acid, hydroxyl to banbury again
Silicone oil, zinc oxide, it is 40-50 DEG C, control pressure 5-6MPa to control temperature, stirring reaction 8 minutes, is then added again to banbury
Enter remaining raw material, it is 30-45 DEG C, control pressure 2-3MPa to control temperature, and stirring reaction 4 minutes is lonely to room temperature, obtains rubber
Film, shaping is cut, deburring, that is, obtains sealing rubber ring.
Specifically, weighing each raw material according to above-mentioned weight, nitrile rubber is then added into banbury, it is 55 to control temperature
DEG C, control pressure 6MPa, stirring reaction 5 minutes, then add polyether types of polyurethane rubber, stearic acid, hydroxyl to banbury again
Base silicone oil, zinc oxide, it is 40 DEG C, control pressure 5.7MPa to control temperature, stirring reaction 8 minutes, is then added again to banbury
Enter remaining raw material, it is 45 DEG C, control pressure 2MPa to control temperature, and stirring reaction 4 minutes is lonely to room temperature, obtains sheet rubber,
Shaping is cut, deburring, that is, obtains sealing rubber ring.
Embodiment 2
A kind of sealing rubber ring as described in Example 1, is prepared by the raw material of following parts by weight：
Nitrile rubber：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, conductive black：23 parts, captax：1.5 parts, pitch：1.5 parts, diethylene glycol (DEG)：
1.4 parts, zinc stearate：5.2 parts, bactericide：1.5 parts, the white glue of suppression：3.1 part.
Embodiment 3
A kind of sealing rubber ring as described in Example 1, is prepared by the raw material of following parts by weight：
Nitrile rubber：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, conductive black：21 parts, captax：1.5 parts, pitch：1.0 parts, diethylene glycol (DEG)：0.8
Part, zinc stearate：4.9 parts, bactericide：1.8 parts, the white glue of suppression：2.8 part.
Embodiment 4
A kind of sealing rubber ring as described in Example 1, is prepared by the raw material of following parts by weight：
Nitrile rubber：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, conductive black：20 parts, captax：1.6 parts, pitch：0.5 part, diethylene glycol (DEG)：
1.5 parts, zinc stearate：4.2 parts, bactericide：1.8 parts, the white glue of suppression：2.5 part.
Embodiment 5
A kind of sealing rubber ring as described in Example 1, is prepared by the raw material of following parts by weight：
Nitrile rubber：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, conductive black：24 parts, captax：1.4 parts, pitch：2 parts, diethylene glycol (DEG)：0.4
Part, zinc stearate：5.3 parts, bactericide：0.5 part, the white glue of suppression：3.4 part.
Performance test：
The present invention performs national standard：GB/T 528-1998, to the measure of finished product rubber ring tensile stress-strain performance,
Result of the test is as shown in table 1, performance multiple correlation regulation.
Table 1：
It can be seen from Table 1 that the finished product rubber ring obtained by through above-mentioned five embodiments of the present invention, will include fourth
Nitrile rubber：30-38 parts, polyether types of polyurethane rubber：42-49 parts, stearic acid：1.7-2.3 part, hydroxy silicon oil：3.4-3.6
Part, zinc oxide：10-14 parts, copper powder：16.4 parts of 16-, conductive black：20-24 parts, captax：1.4-1.6 part, pitch：
0.5-2 parts, diethylene glycol (DEG)：0.4-1.5 parts, zinc stearate：4.2-5.3 part, the white glue of suppression：Obtained by the raw material of 2.5-3.4 parts
Rubber ring, its performance meet concerned countries standard regulation.
Experiment one：For the measure of finished product rubber ring tensile strength performance.
Test material：Using the sealing ring of 7 same specifications, it is respectively：Rubber ring obtained by five embodiments of the invention,
The rubber ring and General Purpose Rubber circle of Application No. 201410337451.4.
Test method：Carried out according to standard GB/T/T 528-1998 prescriptive procedures, select the type sample of dumbbell shaped 1（Sample
Initial gage be 25mm ± 0.5mm）, test speed is 500mm/min ± 50mm/min, and tensile strength is counted as follows
Calculate：
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 experiment, cut-off knife size selects 2 types, its W=4.0mm；Test length part t thickness=2.65mm.
Result of the test：
1st, rubber ring obtained by the embodiment of the present invention one：
Through experiment, the MPa of its tensile strength TS=22.
2nd, rubber ring obtained by the embodiment of the present invention two：
Through experiment, the MPa of its tensile strength TS=17.
3rd, rubber ring obtained by the embodiment of the present invention three：
Through experiment, the MPa of its tensile strength TS=18.
4th, rubber ring obtained by the embodiment of the present invention four：
Through experiment, the MPa of its tensile strength TS=18.
5th, rubber ring obtained by the embodiment of the present invention five：
Through experiment, the MPa of its tensile strength TS=20.
6th, rubber ring obtained by Application No. 201410337451.4：
Through experiment, the MPa of its tensile strength TS=14.
7th, General Purpose Rubber circle：
Through experiment, the MPa of its tensile strength TS=10.
Conclusion (of pressure testing)：
By test a result of the test can be seen that through above-mentioned five embodiments of the present invention obtained by finished product rubber ring,
Nitrile rubber will be included：30-38 parts, polyether types of polyurethane rubber：42-49 parts, stearic acid：1.7-2.3 part, hydroxyl
Silicone oil：3.4-3.6 part, zinc oxide：10-14 parts, copper powder：16.4 parts of 16-, conductive black：20-24 parts, captax：
1.4-1.6 part, pitch：0.5-2 parts, diethylene glycol (DEG)：0.4-1.5 parts, zinc stearate：4.2-5.3 part, the white glue of suppression：2.5-3.4
Rubber ring obtained by the raw material of part, its tensile strength is higher than prior art, farther to exceed General Purpose Rubber circle, wherein with embodiment
One will include nitrile rubber：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, conductive black：22 parts, captax：1.6 parts, pitch：0.7 part, two
Glycol：1.3 parts, zinc stearate：4.8 parts, bactericide：0.5 part, the white glue of suppression：Rubber ring obtained by 2.9 parts of raw material
Can be optimal, its tensile strength reaches 22MPa.
Experiment two：For the measure of finished product rubber ring elongation at break.
Test material：Using the sealing ring of 7 same specifications, it is respectively：Rubber ring obtained by five embodiments of the invention,
The rubber ring and General Purpose Rubber circle of Application No. 201410337451.4.
Test method：Carried out according to standard GB/T/T 528-1998 prescriptive procedures, select the type sample of dumbbell shaped 1（Sample
Initial gage be 25mm ± 0.5mm）, test speed is 500mm/min ± 50mm/min, and elongation at break is counted as follows
Calculate：
Eb==
In formula：Eb-elongation at break,（%）
Gauge length during Lb-style fracture,（mm）；
The initial gage of Lo-experiment,（mm）.
Result of the test：
1st, rubber ring obtained by the embodiment of the present invention one：
Through experiment, its elongation at break Eb=600%.
2nd, rubber ring obtained by the embodiment of the present invention two：
Through experiment, its elongation at break Eb=520%.
3rd, rubber ring obtained by the embodiment of the present invention three：
Through experiment, its elongation at break Eb=580%.
4th, rubber ring obtained by the embodiment of the present invention four：
Through experiment, its elongation at break Eb=540%.
5th, rubber ring obtained by the embodiment of the present invention five：
Through experiment, its elongation at break Eb=540%.
6th, rubber ring obtained by Application No. 201410337451.4：
Through experiment, its elongation at break Eb=420%.
7th, General Purpose Rubber circle：
Through experiment, its elongation at break Eb=300%.
Conclusion (of pressure testing)：
By test two result of the tests can be seen that through above-mentioned five embodiments of the present invention obtained by finished product rubber ring,
Nitrile rubber will be included：30-38 parts, polyether types of polyurethane rubber：42-49 parts, stearic acid：1.7-2.3 part, hydroxyl
Silicone oil：3.4-3.6 part, zinc oxide：10-14 parts, copper powder：16.4 parts of 16-, conductive black：20-24 parts, captax：
1.4-1.6 part, pitch：0.5-2 parts, diethylene glycol (DEG)：0.4-1.5 parts, zinc stearate：4.2-5.3 part, the white glue of suppression：2.5-3.4
Rubber ring obtained by the raw material of part, its elongation at break is higher than prior art, farther to exceed General Purpose Rubber circle, wherein to implement
Example one will include nitrile rubber：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, conductive black：22 parts, captax：1.6 parts, pitch：0.7 part, two
Glycol：1.3 parts, zinc stearate：4.8 parts, bactericide：0.5 part, the white glue of suppression：Rubber ring obtained by 2.9 parts of raw material
Can be optimal, its elongation at break reaches 600%.
Claims (5)
- A kind of 1. sealing rubber ring, it is characterised in that：Include the raw material of following parts by weight：Nitrile rubber：30-38 parts, polyethers Type polyurethane rubber：46 parts, stearic acid：1.7-2.3 part, hydroxy silicon oil：3.5 parts, zinc oxide：10 parts, copper powder：16- 16.4 Part, conductive black：20-24 parts, captax：1.4-1.6 part, pitch：0.7 part, diethylene glycol (DEG)：0.4-1.5 parts, stearic acid Zinc：4.2-5.3 part, the white glue of suppression：2.5-3.4 part.
- A kind of 2. sealing rubber ring as claimed in claim 1, it is characterised in that：Which part raw material uses following parts by weight Number：Nitrile rubber：35 parts, stearic acid：2.1 parts, copper powder：16.1 parts, conductive black：22 parts, captax：1.6 parts, two Glycol：1.3 parts, zinc stearate：4.8 parts, the white glue of suppression：2.9 part.
- A kind of 3. sealing rubber ring as claimed in claim 1, it is characterised in that：Also include bactericide 0.5-1.8 parts.
- A kind of 4. sealing rubber ring as claimed in claim 3, it is characterised in that：The bactericide is provided with 0.5 part.
- A kind of 5. sealing rubber ring as described in claim 3 or 4, it is characterised in that：The bactericide is that ethylene double two is thio One or more in carbaminate, OIT and dimethomorph.
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| 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 |
|---|---|---|---|
| CN201510441953.6A CN104962071B (en) | 2015-07-25 | 2015-07-25 | A kind of sealing rubber ring |
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| CN104962071A CN104962071A (en) | 2015-10-07 |
| CN104962071B true CN104962071B (en) | 2018-03-23 |
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Families Citing this family (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 |
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| CN104962071A (en) | 2015-10-07 |
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