CN102942791B - A kind of foot pad of high speed tabletop centrifuge - Google Patents
A kind of foot pad of high speed tabletop centrifuge Download PDFInfo
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- CN102942791B CN102942791B CN201210383892.9A CN201210383892A CN102942791B CN 102942791 B CN102942791 B CN 102942791B CN 201210383892 A CN201210383892 A CN 201210383892A CN 102942791 B CN102942791 B CN 102942791B
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- foot pad
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Abstract
The invention discloses a kind of foot pad of high speed tabletop centrifuge, it is made up of following raw material: methyl vinyl silicone rubber, unitary homopolymerization chlorohydrin rubber, iso-cyanuric acid triallyl ester, zinc borate, dibasic lead phosphite, modified PVC resin, antioxidant MB 2, antioxidant 4010NA, oxidation inhibitor DSTP, L-HM46 antiwear hydraulic oil, gas-phase silica, calcium carbonate, aluminium hydroxide, vulkacit D TDM, acceterator TE TD, dioctyl ester; Foot pad erosion resistance of the present invention, wear resistance, mechanical property, fatigue property, thermotolerance are strong, have good deformability and resilience, at the working temperature not perishable, sclerosis or softening, add modified PVC resin, enhance the resistance of foot pad.
Description
Technical field
The present invention relates to rubber composite manufacture field, be specifically related to a kind of foot pad of high speed tabletop centrifuge.
background technology
The foot pad of high speed tabletop centrifuge needs the quality standard reached to be: the material of pad can not pollute working medium, corrosion-resistant, there is good deformability and resilience, at the working temperature not perishable, sclerosis or soften, can reuse, not easily aging etc.; And the foot pad of the high speed tabletop centrifuge of traditional mode of production is difficult to reach above-mentioned standard.
Summary of the invention
The invention provides a kind of foot pad of high speed tabletop centrifuge.
The present invention adopts following technical scheme to achieve these goals:
A foot pad for high speed tabletop centrifuge, it is made up of the raw material of following weight parts: methyl vinyl silicone rubber 70-75, unitary homopolymerization chlorohydrin rubber 40-45, iso-cyanuric acid triallyl ester 1-2, zinc borate 2-4, dibasic lead phosphite 1-3, modified PVC resin 1-2, antioxidant MB 20.8-1.5, antioxidant 4010NA 1-2, oxidation inhibitor DSTP1-2, L-HM46 antiwear hydraulic oil 3-4, gas-phase silica 50-60, calcium carbonate 15-25, aluminium hydroxide 3-4, vulkacit D TDM2-2.5, acceterator TE TD1-2, dioctyl ester 1-2;
The preparation method of the foot pad of described high speed tabletop centrifuge, comprises the following steps:
(1) prepare raw material according to the material component of described each weight part, each raw material is put into Banbury mixer, by Banbury mixer synthetic rubber, and filters;
(2) detect the synthetic rubber after filtering, the qualified synthetic rubber of detection is undertaken opening the type of being smelt by mill, then the rubber after shaping is put into the mould of vulcanizing equipment, at pressurization 180 ~ 185Kgf/cm
2, under being warming up to the condition of 165 ~ 175 DEG C, adding the Sulfur that weight part is 0.5-0.8, carry out sulfidizing to rubber, the time length is 6-7 minutes;
(3) rubber that step (2) sulfidizing is crossed is carried out deburring, inspection, packaging, warehouse-in.
The preparation method of described modified PVC resin is:
Be made up of the raw material of following weight parts: polyvinyl chloride resin SG-520-25, stearic acid 1-1.5, chlorinatedpolyethylene 2-2.5, active CaCO
30.5-0.8;
By the polyvinyl chloride resin SG-5 of above-mentioned weight part, stearic acid, chlorinatedpolyethylene mixing, add in high-speed mixer, mixing machine stirring velocity is risen at a high speed by low speed, when mixture temperature rises to 100 DEG C gradually, adds the active CaCO of above-mentioned weight part
3, stir discharging cooling after 1-2 minutes, be cooled to 40 ~ 50 DEG C, obtained modified PVC resin.
Advantage of the present invention:
Foot pad erosion resistance of the present invention, wear resistance, mechanical property, fatigue property, thermotolerance are strong, have good deformability and resilience, at the working temperature not perishable, sclerosis or softening, add modified PVC resin, enhance the resistance of foot pad.
Embodiment
Embodiment 1
A foot pad for high speed tabletop centrifuge, it is made up of the raw material of following weight parts: methyl vinyl silicone rubber 70, unitary homopolymerization chlorohydrin rubber 45, iso-cyanuric acid triallyl ester 2, zinc borate 4, dibasic lead phosphite 3, modified PVC resin 1, antioxidant MB 20.8, antioxidant 4010NA 1, oxidation inhibitor DSTP1, L-HM46 antiwear hydraulic oil 3, gas-phase silica 60, calcium carbonate 15, aluminium hydroxide 4, vulkacit D TDM2.5, acceterator TE TD1, dioctyl ester 1;
The preparation method of the foot pad of described high speed tabletop centrifuge, comprises the following steps:
(1) prepare raw material according to the material component of described each weight part, each raw material is put into Banbury mixer, by Banbury mixer synthetic rubber, and filters;
(2) detect the synthetic rubber after filtering, the qualified synthetic rubber of detection is undertaken opening the type of being smelt by mill, then the rubber after shaping is put into the mould of vulcanizing equipment, at pressurization 180 ~ 185Kgf/cm
2, under being warming up to the condition of 175 DEG C, adding the Sulfur that weight part is 0.8, carry out sulfidizing to rubber, the time length is 7 minutes;
(3) rubber that step (2) sulfidizing is crossed is carried out deburring, inspection, packaging, warehouse-in.
The preparation method of described modified PVC resin is:
Be made up of the raw material of following weight parts: polyvinyl chloride resin SG-525, stearic acid 1.5, chlorinatedpolyethylene 2, active CaCO
30.8;
By the polyvinyl chloride resin SG-5 of above-mentioned weight part, stearic acid, chlorinatedpolyethylene mixing, add in high-speed mixer, mixing machine stirring velocity is risen at a high speed by low speed, when mixture temperature rises to 100 DEG C gradually, adds the active CaCO of above-mentioned weight part
3, stir discharging cooling after 2 minutes, be cooled to 50 DEG C, obtained modified PVC resin.
Contrast test:
Contrast by foot pad of the present invention and traditional pin pad physicals:
Use foot pad comprehensive comparison of the present invention good as can be seen from the table, wherein ageing-resistant performance improves a lot than traditional foot pad.
Claims (2)
1. the foot pad of a high speed tabletop centrifuge, it is characterized in that it is made up of the raw material of following weight parts: methyl vinyl silicone rubber 70-75, unitary homopolymerization chlorohydrin rubber 40-45, iso-cyanuric acid triallyl ester 1-2, zinc borate 2-4, dibasic lead phosphite 1-3, modified PVC resin 1-2, antioxidant MB 20.8-1.5, antioxidant 4010NA 1-2, oxidation inhibitor DSTP1-2, L-HM46 antiwear hydraulic oil 3-4, gas-phase silica 50-60, calcium carbonate 15-25, aluminium hydroxide 3-4, vulkacit D TDM2-2.5, acceterator TE TD1-2, dioctyl ester 1-2,
The preparation method of described modified PVC resin is: be made up of the raw material of following weight parts: polyvinyl chloride resin SG-520-25, stearic acid 1-1.5, chlorinatedpolyethylene 2-2.5, active CaCO30.5-0.8; By the polyvinyl chloride resin SG-5 of above-mentioned weight part, stearic acid, chlorinatedpolyethylene mixing, add in high-speed mixer, mixing machine stirring velocity is risen at a high speed by low speed, when mixture temperature rises to 100 DEG C gradually, add the active CaCO3 of above-mentioned weight part, stir discharging cooling after 1-2 minutes, be cooled to 40 ~ 50 DEG C, obtained modified PVC resin.
2. the preparation method of the foot pad of high speed tabletop centrifuge as claimed in claim 1, is characterized in that comprising the following steps:
(1) prepare raw material according to the material component of each weight part according to claim 1, each raw material is put into Banbury mixer, by Banbury mixer synthetic rubber, and filters;
(2) synthetic rubber after filtering is detected, the qualified synthetic rubber of detection is undertaken opening the type of being smelt by mill, again the rubber after shaping is put into the mould of vulcanizing equipment, at pressurization 180 ~ 185Kgf/cm2, under being warming up to the condition of 165 ~ 175 DEG C, add the Sulfur that weight part is 0.5-0.8, carry out sulfidizing to rubber, the time length is 6-7 minutes;
(3) rubber that step (2) sulfidizing is crossed is carried out deburring, inspection, packaging, warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210383892.9A CN102942791B (en) | 2012-10-11 | 2012-10-11 | A kind of foot pad of high speed tabletop centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210383892.9A CN102942791B (en) | 2012-10-11 | 2012-10-11 | A kind of foot pad of high speed tabletop centrifuge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102942791A CN102942791A (en) | 2013-02-27 |
| CN102942791B true CN102942791B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210383892.9A Active CN102942791B (en) | 2012-10-11 | 2012-10-11 | A kind of foot pad of high speed tabletop centrifuge |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408943A (en) * | 2013-07-01 | 2013-11-27 | 芜湖市银鸿液压件有限公司 | Silicon rubber sealing ring for hydraulic braking system of automobile, and preparation method thereof |
| CN103571210A (en) * | 2013-09-30 | 2014-02-12 | 芜湖航天特种电缆厂 | Refractory flame-retardant silicone rubber sheath material for cables and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101987490A (en) * | 2009-08-05 | 2011-03-23 | 徐卫东 | Production method of novel environmental-friendly automobile foot pad |
| CN102083893A (en) * | 2008-07-03 | 2011-06-01 | 莱茵化学莱瑙有限公司 | Method and device for producing a cross-linkable rubber mixture |
| CN102532862A (en) * | 2011-12-30 | 2012-07-04 | 合肥市石川工程机械有限公司 | Prestressed extra-high pressure jack seal ring rubber compound and preparation method thereof |
| CN102558829A (en) * | 2011-12-30 | 2012-07-11 | 合肥市石川工程机械有限公司 | Prestressed jack seal ring rubber compound and preparation method thereof |
| CN102585483A (en) * | 2011-12-30 | 2012-07-18 | 合肥市石川工程机械有限公司 | Rubber material for prestressing ultrahigh pressure jack sealing ring and preparation method for rubber material |
-
2012
- 2012-10-11 CN CN201210383892.9A patent/CN102942791B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102083893A (en) * | 2008-07-03 | 2011-06-01 | 莱茵化学莱瑙有限公司 | Method and device for producing a cross-linkable rubber mixture |
| CN101987490A (en) * | 2009-08-05 | 2011-03-23 | 徐卫东 | Production method of novel environmental-friendly automobile foot pad |
| CN102532862A (en) * | 2011-12-30 | 2012-07-04 | 合肥市石川工程机械有限公司 | Prestressed extra-high pressure jack seal ring rubber compound and preparation method thereof |
| CN102558829A (en) * | 2011-12-30 | 2012-07-11 | 合肥市石川工程机械有限公司 | Prestressed jack seal ring rubber compound and preparation method thereof |
| CN102585483A (en) * | 2011-12-30 | 2012-07-18 | 合肥市石川工程机械有限公司 | Rubber material for prestressing ultrahigh pressure jack sealing ring and preparation method for rubber material |
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| CN102942791A (en) | 2013-02-27 |
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