CN102993574A - High-temperature resistant rubber part for pneumatic-hydraulic system - Google Patents
High-temperature resistant rubber part for pneumatic-hydraulic system Download PDFInfo
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- CN102993574A CN102993574A CN 201210503050 CN201210503050A CN102993574A CN 102993574 A CN102993574 A CN 102993574A CN 201210503050 CN201210503050 CN 201210503050 CN 201210503050 A CN201210503050 A CN 201210503050A CN 102993574 A CN102993574 A CN 102993574A
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Abstract
The invention relates to a high-temperature resistant rubber part for a pneumatic-hydraulic system, which is prepared from the following rubber raw materials in proportions: 100-140 parts of 4045 ethylene propylene rubber, 20-40 parts of 9000 butadiene rubber, 0.5-0.7 part of sulphur, 20-30 parts of zinc oxide, 1.5-2 parts of stearic acid, 1.5-2 parts of paraffin, 10-12 parts of channel black, 70-90 parts of calcium carbonate, 1.5-2 parts of vaseline, 1-1.2 parts of accelerant TT, 1.5-2 parts of anti-aging agent D, 1 part of anti-aging agent DNP (Chinese name: N,N-di-2-naphthyl-p-phenylene-diamine, molecular formula:C26H2ON2) and 1.5 parts of colloid sulphur. In the rubber formula, polar rubber is used, the consumption of plasticizers is reduced, and the free motion capacity of a macromolecular chain section is lowered, so that the high-temperature hardness of the rubber is improved. The high-temperature hardness of the rubber is improved, so that the high-temperature resistant rubber part for the pneumatic-hydraulic system can not soften and deform when the temperature is higher than 40 DEG C.
Description
Technical field
The present invention relates to rubber materials, particularly relate to pneumatic hydraulic system high-temperature resistant rubber part.
Background technology
Pneumatic hydraulic system is when summer, the outside work temperature was higher than 40 ℃, because rubber part feels like jelly, raising speed is slow behind the electric power starting, causes working efficiency to descend.
Summary of the invention
The purpose of this invention is to provide a kind of pneumatic hydraulic system high-temperature resistant rubber part, it can improve very property at high temperature, makes its distortion that is unlikely to feel like jelly when temperature is higher than 40 ℃.
Technical scheme of the present invention is: a kind of pneumatic hydraulic system high-temperature resistant rubber part is provided, it is characterized in that: described rubber raw materials proportioning is selected 100～140 parts in 4045 ethylene-propylene rubber(EPR), 20～40 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.5～0.7 part in sulphur, 20～30 parts in zinc oxide, 1.5～2 parts of stearic acid, 1.5～2 parts in paraffin, 10～12 parts of thermally oxidized blacks, 70～90 parts in calcium carbonate, 1.5～2 parts in Vaseline, 1～1.2 part of promotor TT, 1.5～2 parts of antioxidant Ds, the Chinese of antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 is 1 part, 1.5 parts in colloid sulphur.
Described rubber raw materials proportioning is the Chinese of 100 parts in 4045 ethylene-propylene rubber(EPR), 20 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.5 part in sulphur, 20 parts in zinc oxide, 1.5 parts of stearic acid, 1.5 parts in paraffin, 10 parts of thermally oxidized blacks, 70 parts in calcium carbonate, 1.5 parts in Vaseline, 1 part of promotor TT, 1.5 parts of antioxidant Ds, antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 are 1.5 parts of 1 parts, colloid sulphur.
Described rubber raw materials proportioning is the Chinese of 120 parts in 4045 ethylene-propylene rubber(EPR), 30 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.6 part in sulphur, 25 parts in zinc oxide, 1.7 parts of stearic acid, 1.7 parts in paraffin, 11 parts of thermally oxidized blacks, 80 parts in calcium carbonate, 1.7 parts in Vaseline, 1.1 parts of promotor TT, 1.7 parts of antioxidant Ds, antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 are 1.5 parts of 1 parts, colloid sulphur.
Described rubber raw materials proportioning is the Chinese of 140 parts in 4045 ethylene-propylene rubber(EPR), 40 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.7 part in sulphur, 30 parts in zinc oxide, 2 parts of stearic acid, 2 parts in paraffin, 12 parts of thermally oxidized blacks, 90 parts in calcium carbonate, 2 parts in Vaseline, 1.2 parts of promotor TT, 2 parts of antioxidant Ds, antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 are 1.5 parts of 1 parts, colloid sulphur.
This pneumatic hydraulic system production method of high-temperature resistant rubber part:
Sizing material is produced
⑴ according to the various batchings of concrete formula rate weighing; The rubber raw materials proportioning is chosen in 100～140 parts in 4045 ethylene-propylene rubber(EPR), 20～40 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.5～0.7 part in sulphur, 20～30 parts in zinc oxide, 1.5～2 parts of stearic acid, 1.5～2 parts in paraffin, 10～12 parts of thermally oxidized blacks, 70～90 parts in calcium carbonate, 1.5～2 parts in Vaseline, promotor TT(Chinese name: tetramethyl-thiuram disulfide, molecular formula: C6H12N2S4) 1～1.2 part, antioxidant D (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 1.5～2 parts, the Chinese of antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 is 1 part, 1.5 parts in colloid sulphur, the weight unit that component is every part is fixed according to need of production, presses 1 kilogram such as portion;
⑵ by proportioning feeding in above-mentioned (1), getting 4045 ethylene-propylene rubber(EPR) is added on the rubber mixing machine, behind mixing 2 minutes of the rubber mixing machine roll spacing 4mm, add successively sulphur, zinc oxide, stearic acid, paraffin, Vaseline, antioxidant D, antioxidant D NP, colloid sulphur and mix, roll spacing is transferred to 5mm and is added promotor TT, thermally oxidized black, calcium carbonate and mix;
⑶ rubber mixing machine roll spacing transfers to 2mm and makes repeatedly thin-pass 6 times of sizing material, clot 4 times, and eight cutter 4 times;
⑷ mixing even sizing material room temperature park 24 hours stand-by;
Products production
⑴ park on the rear sizing material rubber mixing machine with 4mm roll spacing heat refining 1 minute, rewinds 2 times;
⑵ sizing material cuts into pressurization 10MPa in 160 ℃ of moulds of suitable dimension film adding behind the heat refining, vulcanizes 15 minutes, and exhaust is 3 times when rising mould;
⑶ opening mold after sulfuration is finished takes out product.
The invention has the beneficial effects as follows: the invention provides this pneumatic hydraulic system high-temperature resistant rubber part, its rubber raw materials proportioning is selected 100～140 parts in 4045 ethylene-propylene rubber(EPR), 20～40 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.5～0.7 part in sulphur, 20～30 parts in zinc oxide, 1.5～2 parts of stearic acid, 1.5～2 parts in paraffin, 10～12 parts of thermally oxidized blacks, 70～90 parts in calcium carbonate, 1.5～2 parts in Vaseline, 1～1.2 part of promotor TT, 1.5～2 parts of antioxidant Ds, antioxidant D NP(Chinese: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2) 1 part, 1.5 parts in colloid sulphur.Use polar rubber in the rubber compounding, reduce softening agent and use, reduce the free movement ability of polymer segment, thereby improved the high temperature property endured of rubber.Owing to improved rubber hardness at high temperature, so use this pneumatic hydraulic system high-temperature resistant rubber part, distortion is unlikely to feel like jelly when temperature is higher than 40 ℃.
Embodiment
The pneumatic hydraulic system of embodiment high-temperature resistant rubber part, its rubber raw materials proportioning is chosen as: 100～140 parts in 4045 ethylene-propylene rubber(EPR), 20～40 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.5～0.7 part in sulphur, 20～30 parts in zinc oxide, 1.5～2 parts of stearic acid, 1.5～2 parts in paraffin, 10～12 parts of thermally oxidized blacks, 70～90 parts in calcium carbonate, 1.5～2 parts in Vaseline, promotor TT(Chinese name: tetramethyl-thiuram disulfide, molecular formula: C6H12N2S4) 1～1.2 part, antioxidant D (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 1.5～2 parts, the Chinese of antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 is 1 part, 1.5 parts in colloid sulphur.Every part weight unit is fixed according to need of production in the component, such as every part by 1 kilogram.
Embodiment 1
Concrete production stage is as follows:
Sizing material is produced
⑴ according to the various batchings of concrete formula rate weighing; Its rubber raw materials proportioning is: 100 parts in 4045 ethylene-propylene rubber(EPR), 20 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.5 part in sulphur, 20 parts in zinc oxide, 1.5 parts of stearic acid, 1.5 parts in paraffin, 10 parts of thermally oxidized blacks, 70 parts in calcium carbonate, 1.5 parts in Vaseline, promotor TT(Chinese name: tetramethyl-thiuram disulfide, molecular formula: C6H12N2S4) 1 part, antioxidant D (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 1.5 parts, the Chinese of antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 is 1 part, 1.5 parts in colloid sulphur.Every part weight unit is fixed according to need of production in the component, such as every part by 1 kilogram.
⑵ get 4045 ethylene-propylene rubber(EPR) in the rubber raw materials ratio in (1) and be added on the rubber mixing machine, behind mixing 2 minutes of the rubber mixing machine roll spacing 4mm, add successively sulphur, zinc oxide, stearic acid, paraffin, Vaseline, antioxidant D, antioxidant D NP, colloid sulphur in the rubber raw materials ratio in (1) and mix, roll spacing is transferred to 5mm and is added promotor TT, thermally oxidized black, calcium carbonate in the rubber raw materials ratio in (1) and mix.
⑶ rubber mixing machine roll spacing transfers to 2mm and makes repeatedly thin-pass 6 times of sizing material, clot 4 times, and eight cutter 4 times.
⑷ mixing even sizing material room temperature park 24 hours stand-by.
Products production
⑴ park on the rear sizing material rubber mixing machine with 4mm roll spacing heat refining 1 minute, rewinds 2 times;
⑵ sizing material cuts into pressurization 10MPa in 160 ℃ of moulds of suitable dimension film adding behind the heat refining, vulcanizes 15 minutes, and exhaust is 3 times when rising mould;
⑶ opening mold after sulfuration is finished takes out product.
It is duplicate with industry standard and known technology that present embodiment does not have the part of narration, so be not described in detail.
Embodiment 2 production processes are identical with embodiment 1, difference is that rubber raw materials component ratio is different, the rubber raw materials composition of embodiment 2 is as follows by component: 120 parts in 4045 ethylene-propylene rubber(EPR), 30 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.6 part in sulphur, 25 parts in zinc oxide, 1.7 parts of stearic acid, 1.7 parts in paraffin, 11 parts of thermally oxidized blacks, 80 parts in calcium carbonate, 1.7 parts in Vaseline, promotor TT(Chinese name: tetramethyl-thiuram disulfide, molecular formula: C6H12N2S4) 1.1 parts, antioxidant D (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 1.7 parts, the Chinese of antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 is 1 part, 1.5 parts in colloid sulphur.
Embodiment 3 production processes are identical with embodiment 1, difference is that rubber raw materials component ratio is different, the rubber raw materials composition of embodiment 3 is as follows by component: 140 parts in 4045 ethylene-propylene rubber(EPR), 40 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.7 part in sulphur, 30 parts in zinc oxide, 2 parts of stearic acid, 2 parts in paraffin, 12 parts of thermally oxidized blacks, 90 parts in calcium carbonate, 2 parts in Vaseline, promotor TT(Chinese name: tetramethyl-thiuram disulfide, molecular formula: C6H12N2S4) 1.2 parts, antioxidant D (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 2 parts, the Chinese of antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 is 1 part, 1.5 parts in colloid sulphur.
Three kinds of embodiment performance comparison
Embodiment 2 prescriptions and the contrast of existing market product
Claims (5)
1. pneumatic hydraulic system high-temperature resistant rubber part, it is characterized in that: described rubber raw materials proportioning is selected 100～140 parts in 4045 ethylene-propylene rubber(EPR), 20～40 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.5～0.7 part in sulphur, 20～30 parts in zinc oxide, 1.5～2 parts of stearic acid, 1.5～2 parts in paraffin, 10～12 parts of thermally oxidized blacks, 70～90 parts in calcium carbonate, 1.5～2 parts in Vaseline, 1～1.2 part of promotor TT, 1.5～2 parts of antioxidant Ds, the Chinese of antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 is 1 part, 1.5 parts in colloid sulphur.
2. pneumatic hydraulic system according to claim 1 high-temperature resistant rubber part, it is characterized in that: described rubber raw materials proportioning is the Chinese of 100 parts in 4045 ethylene-propylene rubber(EPR), 20 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.5 part in sulphur, 20 parts in zinc oxide, 1.5 parts of stearic acid, 1.5 parts in paraffin, 10 parts of thermally oxidized blacks, 70 parts in calcium carbonate, 1.5 parts in Vaseline, 1 part of promotor TT, 1.5 parts of antioxidant Ds, antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 are 1.5 parts of 1 parts, colloid sulphur.
3. pneumatic hydraulic system according to claim 1 high-temperature resistant rubber part, it is characterized in that: described rubber raw materials proportioning is the Chinese of 120 parts in 4045 ethylene-propylene rubber(EPR), 30 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.6 part in sulphur, 25 parts in zinc oxide, 1.7 parts of stearic acid, 1.7 parts in paraffin, 11 parts of thermally oxidized blacks, 80 parts in calcium carbonate, 1.7 parts in Vaseline, 1.1 parts of promotor TT, 1.7 parts of antioxidant Ds, antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 are 1.5 parts of 1 parts, colloid sulphur.
4. pneumatic hydraulic system according to claim 1 high-temperature resistant rubber part, it is characterized in that: described rubber raw materials proportioning is the Chinese of 140 parts in 4045 ethylene-propylene rubber(EPR), 40 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.7 part in sulphur, 30 parts in zinc oxide, 2 parts of stearic acid, 2 parts in paraffin, 12 parts of thermally oxidized blacks, 90 parts in calcium carbonate, 2 parts in Vaseline, 1.2 parts of promotor TT, 2 parts of antioxidant Ds, antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 are 1.5 parts of 1 parts, colloid sulphur.
5. this pneumatic hydraulic system is with the production method of high-temperature resistant rubber part:
Sizing material is produced
⑴ according to the various batchings of concrete formula rate weighing; The rubber raw materials proportioning is chosen in 100～140 parts in 4045 ethylene-propylene rubber(EPR), 20～40 parts of 9000 type cis-1,4-polybutadiene rubbers, 0.5～0.7 part in sulphur, 20～30 parts in zinc oxide, 1.5～2 parts of stearic acid, 1.5～2 parts in paraffin, 10～12 parts of thermally oxidized blacks, 70～90 parts in calcium carbonate, 1.5～2 parts in Vaseline, promotor TT(Chinese name: tetramethyl-thiuram disulfide, molecular formula: C6H12N2S4) 1～1.2 part, antioxidant D (Chinese name: N-phenyl-2-naphthylamine, molecular formula: C16H13N) 1.5～2 parts, the Chinese of antioxidant D NP: N, N-two (betanaphthyl) Ursol D, molecular formula: C26H2ON2 is 1 part, 1.5 parts in colloid sulphur, the weight unit that component is every part is fixed according to need of production, presses 1 kilogram such as portion;
⑵ by proportioning feeding in above-mentioned (1), getting 4045 ethylene-propylene rubber(EPR) is added on the rubber mixing machine, behind mixing 2 minutes of the rubber mixing machine roll spacing 4mm, add successively sulphur, zinc oxide, stearic acid, paraffin, Vaseline, antioxidant D, antioxidant D NP, colloid sulphur and mix, roll spacing is transferred to 5mm and is added promotor TT, thermally oxidized black, calcium carbonate and mix;
⑶ rubber mixing machine roll spacing transfers to 2mm and makes repeatedly thin-pass 6 times of sizing material, clot 4 times, and eight cutter 4 times;
⑷ mixing even sizing material room temperature park 24 hours stand-by;
Products production
⑴ park on the rear sizing material rubber mixing machine with 4mm roll spacing heat refining 1 minute, rewinds 2 times;
⑵ sizing material cuts into pressurization 10MPa in 160 ℃ of moulds of suitable dimension film adding behind the heat refining, vulcanizes 15 minutes, and exhaust is 3 times when rising mould;
⑶ opening mold after sulfuration is finished takes out product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210503050 CN102993574A (en) | 2012-11-30 | 2012-11-30 | High-temperature resistant rubber part for pneumatic-hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210503050 CN102993574A (en) | 2012-11-30 | 2012-11-30 | High-temperature resistant rubber part for pneumatic-hydraulic system |
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| Publication Number | Publication Date |
|---|---|
| CN102993574A true CN102993574A (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210503050 Withdrawn CN102993574A (en) | 2012-11-30 | 2012-11-30 | High-temperature resistant rubber part for pneumatic-hydraulic system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107254108A (en) * | 2017-06-27 | 2017-10-17 | 苏州菱慧电子科技有限公司 | A kind of windscreen wiper bar EPDM sizing materials |
| CN114456504A (en) * | 2022-01-28 | 2022-05-10 | 厦门市麦华橡胶制品有限公司 | Environment-friendly peroxide vulcanized EPDM material suitable for automatic demolding and preparation method thereof |
-
2012
- 2012-11-30 CN CN 201210503050 patent/CN102993574A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107254108A (en) * | 2017-06-27 | 2017-10-17 | 苏州菱慧电子科技有限公司 | A kind of windscreen wiper bar EPDM sizing materials |
| CN114456504A (en) * | 2022-01-28 | 2022-05-10 | 厦门市麦华橡胶制品有限公司 | Environment-friendly peroxide vulcanized EPDM material suitable for automatic demolding and preparation method thereof |
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Application publication date: 20130327 |