CN105175827A - Oil-resistant rubber material composition and preparation method of oil-resistant rubber - Google Patents
Oil-resistant rubber material composition and preparation method of oil-resistant rubber Download PDFInfo
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- CN105175827A CN105175827A CN201510633632.6A CN201510633632A CN105175827A CN 105175827 A CN105175827 A CN 105175827A CN 201510633632 A CN201510633632 A CN 201510633632A CN 105175827 A CN105175827 A CN 105175827A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 46
- 239000005060 rubber Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 title claims abstract description 22
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 56
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 54
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000005751 Copper oxide Substances 0.000 claims abstract description 28
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 28
- 229910000431 copper oxide Inorganic materials 0.000 claims abstract description 28
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 28
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 28
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims abstract description 28
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 28
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229920001084 poly(chloroprene) Polymers 0.000 claims abstract description 28
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 28
- 239000008117 stearic acid Substances 0.000 claims abstract description 28
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 27
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 27
- 239000001110 calcium chloride Substances 0.000 claims abstract description 27
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 27
- 229920000459 Nitrile rubber Polymers 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 238000003723 Smelting Methods 0.000 claims description 13
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000003712 anti-aging effect Effects 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000003078 antioxidant effect Effects 0.000 claims 2
- 239000004519 grease Substances 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000032683 aging Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
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Abstract
The invention discloses oil-resistant rubber material composition and a preparation method of oil-resistant rubber. The oil-resistant rubber material composition comprises nitrile butadiene rubber, neoprene, copper oxide, magnesium oxide, calcium chloride, sodium carbonate, sodium carbonate and stearic acid, wherein in terms of 100 parts by weight of nitrile butadiene rubber, the oil-resistant rubber material composition comprises 100 parts by weight of the nitrile butadiene rubber, 30-80 parts by weight of the neoprene, 10-30 parts by weight of copper oxide, 5-20 parts by weight of magnesium oxide, 1-10 parts by weight of calcium chloride, 3-15 parts by weight of calcium carbonate, 1-10 parts by weight of sodium carbonate and 10-30 parts by weight of stearic acid. According to the design, the composition can still have longer service life when used in an environment requiring for long-term contact with grease, so that the use cost is reduced greatly, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of production and preparation of rubber materials, in particular to an oil-resistant rubber material composition and a preparation method of oil-resistant rubber.
Background
The rubber is used as a material of common production and living goods, the application range of the rubber is very wide, in the daily use process, a plurality of production and living goods, particularly production tools, need to be frequently contacted with grease and the like, and the rubber material is very easy to age and corrode under the condition of long-term existence of a large amount of grease, so that the service life of the rubber material is greatly influenced, the use cost is increased, and the production cost is further increased.
Therefore, the invention provides an oil-resistant rubber material composition which is easy to obtain and has good oil resistance, so that the aging is greatly slowed down, and the use cost is reduced, and a preparation method of the oil-resistant rubber.
Disclosure of Invention
Aiming at the prior art, the invention aims to solve the problems that the rubber material is easy to age and corrode under the condition of long-term existence of a large amount of grease, so that the service life of the rubber material is greatly influenced, the use cost is increased, and the production cost is increased in the prior art, so that the oil-resistant rubber material composition which is easy to obtain and has good oil resistance is provided, the aging is greatly slowed down, and the use cost is reduced, and the preparation method of the oil-resistant rubber.
In order to achieve the above object, the present invention provides an oil resistant rubber material composition, wherein the composition comprises nitrile rubber, chloroprene rubber, copper oxide, magnesium oxide, calcium chloride, calcium carbonate, sodium carbonate and stearic acid; wherein,
relative to 100 parts by weight of the nitrile rubber, the content of the chloroprene rubber is 30-80 parts by weight, the content of the copper oxide is 10-30 parts by weight, the content of the magnesium oxide is 5-20 parts by weight, the content of the calcium chloride is 1-10 parts by weight, the content of the calcium carbonate is 3-15 parts by weight, the content of the sodium carbonate is 1-10 parts by weight, and the content of the stearic acid is 10-30 parts by weight.
The invention also provides a preparation method of the oil-resistant rubber, wherein the preparation method comprises the following steps: mixing nitrile rubber, chloroprene rubber, copper oxide, magnesium oxide, calcium chloride, calcium carbonate, sodium carbonate and stearic acid, and then smelting; wherein,
relative to 100 parts by weight of the nitrile rubber, the chloroprene rubber is 30-80 parts by weight, the copper oxide is 10-30 parts by weight, the magnesium oxide is 5-20 parts by weight, the calcium chloride is 1-10 parts by weight, the calcium carbonate is 3-15 parts by weight, the sodium carbonate is 1-10 parts by weight, and the stearic acid is 10-30 parts by weight.
According to the technical scheme, the nitrile rubber, the chloroprene rubber, the copper oxide, the magnesium oxide, the calcium chloride, the calcium carbonate, the sodium carbonate and the stearic acid are mixed according to a certain proportion and then are smelted, so that the rubber prepared by mixing the materials according to the proportion has higher oil resistance in actual use, and the rubber still has a longer service life when being used in an environment needing to be contacted with grease for a long time, thereby greatly reducing the use cost and improving the production efficiency.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides an oil-resistant rubber material composition, wherein the composition comprises nitrile rubber, chloroprene rubber, copper oxide, magnesium oxide, calcium chloride, calcium carbonate, sodium carbonate and stearic acid; wherein,
relative to 100 parts by weight of the nitrile rubber, the content of the chloroprene rubber is 30-80 parts by weight, the content of the copper oxide is 10-30 parts by weight, the content of the magnesium oxide is 5-20 parts by weight, the content of the calcium chloride is 1-10 parts by weight, the content of the calcium carbonate is 3-15 parts by weight, the content of the sodium carbonate is 1-10 parts by weight, and the content of the stearic acid is 10-30 parts by weight.
According to the design, the nitrile rubber, the chloroprene rubber, the copper oxide, the magnesium oxide, the calcium chloride, the calcium carbonate, the sodium carbonate and the stearic acid are mixed according to a certain proportion and then smelted, so that the rubber prepared by mixing the materials according to the proportion has higher oil resistance in actual use, and the rubber still can have better service life when being used in an environment needing to be in contact with grease for a long time, so that the use cost is greatly reduced, and the production efficiency is improved.
In order to make the prepared rubber material have better oil resistance, thereby further improving the service life of the rubber material in an environment with more grease and reducing the production cost, in a preferred embodiment of the invention, relative to 100 parts by weight of the nitrile rubber, the content of the chloroprene rubber is 40-60 parts by weight, the content of the copper oxide is 15-25 parts by weight, the content of the magnesium oxide is 10-15 parts by weight, the content of the calcium chloride is 3-7 parts by weight, the content of the calcium carbonate is 5-10 parts by weight, the content of the sodium carbonate is 3-7 parts by weight, and the content of the stearic acid is 15-25 parts by weight.
Of course, in order to obtain a rubber material having better properties for use, in a preferred embodiment of the invention, the composition may also comprise processing aids.
The processing aid may be of the type conventionally used in the art, for example, in a more preferred embodiment of the present invention, the processing aid may be further selected from one or more of antioxidants, anti-uv agents and anti-aging agents.
The invention also provides a preparation method of the oil-resistant rubber, wherein the preparation method comprises the following steps: mixing nitrile rubber, chloroprene rubber, copper oxide, magnesium oxide, calcium chloride, calcium carbonate, sodium carbonate and stearic acid, and then smelting; wherein,
relative to 100 parts by weight of the nitrile rubber, the chloroprene rubber is 30-80 parts by weight, the copper oxide is 10-30 parts by weight, the magnesium oxide is 5-20 parts by weight, the calcium chloride is 1-10 parts by weight, the calcium carbonate is 3-15 parts by weight, the sodium carbonate is 1-10 parts by weight, and the stearic acid is 10-30 parts by weight.
Similarly, in order to make the oil-resistant rubber have better oil resistance in actual use, further improve the service life and reduce the production cost, in a more preferred embodiment of the invention, relative to 100 parts by weight of the nitrile rubber, the chloroprene rubber is used in an amount of 40-60 parts by weight, the copper oxide is used in an amount of 15-25 parts by weight, the magnesium oxide is used in an amount of 10-15 parts by weight, the calcium chloride is used in an amount of 3-7 parts by weight, the calcium carbonate is used in an amount of 5-10 parts by weight, the sodium carbonate is used in an amount of 3-7 parts by weight, and the stearic acid is used in an amount of 15-25 parts by weight.
The smelting process may be operated in a conventional manner in the art, for example, it may be placed in a smelting furnace for smelting, and the smelting temperature may not be limited, for example, in a more preferred embodiment of the present invention, the smelting temperature of the smelting process may be further selected to be 300 ℃.
In a more preferred embodiment of the present invention, in order to make the oil resistant rubber have better service performance, the preparation method may further comprise adding a processing aid for smelting.
The processing aid may be of the type conventionally used in the art, for example, in a preferred embodiment of the present invention, the processing aid may be selected from one or more of antioxidants, anti-uv agents and anti-ageing agents.
The present invention will be described in detail below by way of examples. In the following examples, the nitrile rubber, the chloroprene rubber, the copper oxide, the magnesium oxide, the calcium chloride, the calcium carbonate, the sodium carbonate and the stearic acid are conventional commercially available products.
Example 1
100g of nitrile rubber, 40g of chloroprene rubber, 15g of copper oxide, 10g of magnesium oxide, 3g of calcium chloride, 5g of calcium carbonate, 3g of sodium carbonate and 15g of stearic acid are mixed and then are smelted under the condition that the temperature is 300 ℃, and the oil-resistant rubber A1 is prepared.
Example 2
100g of nitrile rubber, 60g of chloroprene rubber, 25g of copper oxide, 15g of magnesium oxide, 7g of calcium chloride, 10g of calcium carbonate, 7g of sodium carbonate and 25g of stearic acid are mixed and then are smelted under the condition that the temperature is 700 ℃, and the oil-resistant rubber A2 is prepared.
Example 3
100g of nitrile rubber, 50g of chloroprene rubber, 20g of copper oxide, 12g of magnesium oxide, 5g of calcium chloride, 8g of calcium carbonate, 5g of sodium carbonate and 20g of stearic acid are mixed and then are smelted under the condition that the temperature is 500 ℃, and the oil-resistant rubber A3 is prepared.
Example 4
The preparation was carried out in accordance with the preparation method of example 1 except that the chloroprene rubber was used in an amount of 30g, the copper oxide was used in an amount of 10g, the magnesium oxide was used in an amount of 5g, the calcium chloride was used in an amount of 1g, the calcium carbonate was used in an amount of 3g, the sodium carbonate was used in an amount of 1g, and the stearic acid was used in an amount of 10g, to obtain an oil-resistant rubber A4.
Example 5
The preparation was carried out in accordance with the preparation method of example 2 except that 80g of the chloroprene rubber was used, 30g of the copper oxide was used, 20g of the magnesium oxide was used, 10g of the calcium chloride was used, 15g of the calcium carbonate was used, 10g of the sodium carbonate was used and 30g of the stearic acid was used, to obtain oil-resistant rubber A5.
Comparative example 1
The preparation was carried out in accordance with the preparation method of example 3 except that the chloroprene rubber was used in an amount of 10g, the copper oxide was used in an amount of 5g, the magnesium oxide was used in an amount of 2g, the calcium carbonate was used in an amount of 1g, and the stearic acid was used in an amount of 5g, to obtain an oil-resistant rubber D1.
Comparative example 2
The preparation was carried out in accordance with the preparation method of example 3 except that the chloroprene rubber was used in an amount of 100g, the copper oxide was used in an amount of 50g, the magnesium oxide was used in an amount of 50g, the calcium chloride was used in an amount of 20g, the calcium carbonate was used in an amount of 30g, the sodium carbonate was used in an amount of 20g, and the stearic acid was used in an amount of 50g, to obtain an oil-resistant rubber D2.
Test example
A1-A5, D1 and D2 prepared above were immersed in oil for 72 hours, respectively, and then their tensile strengths were measured, and the results are shown in Table 1.
TABLE 1
| Numbering | Tensile Strength (MPa) |
| A1 | 76 |
| A2 | 75 |
| A3 | 78 |
| A4 | 58 |
| A5 | 60 |
| D1 | 32 |
| D2 | 30 |
It can be seen from table 1 that the oil-resistant rubber prepared within the scope of the present invention still has good elasticity after being soaked in grease for 72 hours, and no obvious aging occurs, but the oil-resistant rubber prepared outside the scope of the present invention cannot have good tensile strength after being soaked in grease, and meanwhile, the oil-resistant rubber prepared within the preferred scope of the present invention has better anti-aging performance, and therefore, has better oil resistance.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (9)
1. An oil-resistant rubber material composition is characterized by comprising nitrile rubber, chloroprene rubber, copper oxide, magnesium oxide, calcium chloride, calcium carbonate, sodium carbonate and stearic acid; wherein,
relative to 100 parts by weight of the nitrile rubber, the content of the chloroprene rubber is 30-80 parts by weight, the content of the copper oxide is 10-30 parts by weight, the content of the magnesium oxide is 5-20 parts by weight, the content of the calcium chloride is 1-10 parts by weight, the content of the calcium carbonate is 3-15 parts by weight, the content of the sodium carbonate is 1-10 parts by weight, and the content of the stearic acid is 10-30 parts by weight.
2. The composition according to claim 1, wherein the chloroprene rubber is contained in an amount of 40 to 60 parts by weight, the copper oxide is contained in an amount of 15 to 25 parts by weight, the magnesium oxide is contained in an amount of 10 to 15 parts by weight, the calcium chloride is contained in an amount of 3 to 7 parts by weight, the calcium carbonate is contained in an amount of 5 to 10 parts by weight, the sodium carbonate is contained in an amount of 3 to 7 parts by weight, and the stearic acid is contained in an amount of 15 to 25 parts by weight, relative to 100 parts by weight of the nitrile rubber.
3. The composition of claim 1 or 2, wherein the composition further comprises a processing aid.
4. The composition of claim 3, wherein the processing aid is selected from one or more of an antioxidant, an anti-ultraviolet agent, and an anti-aging agent.
5. A preparation method of oil-resistant rubber is characterized by comprising the following steps: mixing nitrile rubber, chloroprene rubber, copper oxide, magnesium oxide, calcium chloride, calcium carbonate, sodium carbonate and stearic acid, and then smelting; wherein,
relative to 100 parts by weight of the nitrile rubber, the chloroprene rubber is 30-80 parts by weight, the copper oxide is 10-30 parts by weight, the magnesium oxide is 5-20 parts by weight, the calcium chloride is 1-10 parts by weight, the calcium carbonate is 3-15 parts by weight, the sodium carbonate is 1-10 parts by weight, and the stearic acid is 10-30 parts by weight.
6. The preparation method according to claim 5, wherein the chloroprene rubber is used in an amount of 40 to 60 parts by weight, the copper oxide is used in an amount of 15 to 25 parts by weight, the magnesium oxide is used in an amount of 10 to 15 parts by weight, the calcium chloride is used in an amount of 3 to 7 parts by weight, the calcium carbonate is used in an amount of 5 to 10 parts by weight, the sodium carbonate is used in an amount of 3 to 7 parts by weight, and the stearic acid is used in an amount of 15 to 25 parts by weight, relative to 100 parts by weight of the nitrile rubber.
7. The preparation method as claimed in claim 5 or 6, wherein the smelting temperature of the smelting process is 300-700 ℃.
8. The production method according to claim 5 or 6, wherein the production method further comprises adding a processing aid to perform smelting.
9. The preparation method of claim 8, wherein the processing aid is selected from one or more of an antioxidant, an anti-ultraviolet agent, and an anti-aging agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633632.6A CN105175827A (en) | 2015-09-29 | 2015-09-29 | Oil-resistant rubber material composition and preparation method of oil-resistant rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510633632.6A CN105175827A (en) | 2015-09-29 | 2015-09-29 | Oil-resistant rubber material composition and preparation method of oil-resistant rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105175827A true CN105175827A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510633632.6A Pending CN105175827A (en) | 2015-09-29 | 2015-09-29 | Oil-resistant rubber material composition and preparation method of oil-resistant rubber |
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| Country | Link |
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| CN (1) | CN105175827A (en) |
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Application publication date: 20151223 |
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| WD01 | Invention patent application deemed withdrawn after publication |