CN102532616A - Sizing material of stator rubber sleeve for pre-stressed vacuum grouting pump and preparation method thereof - Google Patents
Sizing material of stator rubber sleeve for pre-stressed vacuum grouting pump and preparation method thereof Download PDFInfo
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- CN102532616A CN102532616A CN2011104569200A CN201110456920A CN102532616A CN 102532616 A CN102532616 A CN 102532616A CN 2011104569200 A CN2011104569200 A CN 2011104569200A CN 201110456920 A CN201110456920 A CN 201110456920A CN 102532616 A CN102532616 A CN 102532616A
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Abstract
The invention discloses a sizing material of a stator rubber sleeve for a pre-stressed vacuum grouting pump. The sizing material comprises the following raw materials by weight: 95 to 105 parts of natural rubber, 4 to 6 parts of isoprene rubber, 0.04 to 0.06 parts of butadiene rubber, 1.1 to 1.3 parts of styrene-butadiene rubber, 2 to 4 parts of zinc oxide, 0.3 to 0.5 parts of stearic acid, 0.3 to 0.6 parts of sulfur, 0.2 to 0.4 parts of antiagers DPPD (Diphenyl-P-Phenylene Diamine), 8 to 12 parts of carbon black N339, 0.1 to 0.3 parts of accelerating agents M, 3 to 5 parts of Rhine wax, 0.2 to 0.3 parts of antiscorcher CTP (cytidine triphosphate), and 4 to 6 parts of cottonseed oil. When the sizing material is prepared, a part of formula raw materials is processed through sizing material plastication at first as required, then other formula materials are added for sizing material mixing, and a vulcanization system is added and is processed through thin-passing for 5 to 7 times finally. Rubber damping products that are produced according to the rubber formula achieve favorable heat-proof aging performance and excellent tear resistance, and also achieve excellent dynamic fatigue resisting performance.
Description
Technical field
The present invention relates to vulcanization of rubber field, be specifically related to a kind of prestress vacuum grouting pump stator rubber coating sizing material and preparation method thereof.
Background technology
Prestress vacuum grouting pump stator rubber coating; It also is consumable accessory in the prestress vacuum grouting pump; Its selection quality, directly the life-span of shadow lining, the life-span of stator rubber cover is 3-6 month under the general normal circumstances; If select for use formulated rubber material improper, lining possibly from steel pipe, come off or rubber falls piece.So require us that the rubber size prescription is studied.
Summary of the invention
The invention provides a kind of prestress vacuum grouting pump stator rubber coating sizing material and preparation method thereof; The prestress vacuum grouting pump stator rubber coating that this rubber size prescription is produced has good heat-resistant aging, resistance to tearing, and anti-simultaneously dynamic fatigue property is excellent.
The present invention adopts following technical scheme to achieve these goals:
A kind of prestress vacuum grouting pump stator rubber coating sizing material is characterized in that the weight part of its constitutive material is: tree elastomer 95-105, polyisoprene rubber 4-6, divinyl rubber 0.04-0.06, styrene-butadiene rubber(SBR) 1.1-1.3, zinc oxide 2-4, Triple Pressed Stearic Acid 0.3-0.5, sulphur 0.3-0.6, antioxidant DPPD 0.2-0.4, carbon black N3398-12, captax 0.1-0.3, Lay mattress wax 3-5, anti-scorching agent CTP 0.2-0.3, Oleum Gossypii semen 4-6.
Described prestress vacuum grouting pump stator rubber coating sizing material is characterized in that the weight part of its constitutive material is: tree elastomer 100, polyisoprene rubber 5, divinyl rubber 0.05, styrene-butadiene rubber(SBR) 1.2, zinc oxide 3, Triple Pressed Stearic Acid 0.4, sulphur 0.5, antioxidant DPPD 0.3, carbon black N339 10, captax 0.2, Lay mattress wax 4, anti-scorching agent CTP 0.3, Oleum Gossypii semen 5.
The preparation method may further comprise the steps:
(1) moulds white silk: start Banbury mixer; Tree elastomer, polyisoprene rubber, divinyl rubber, styrene-butadiene rubber(SBR) dropped in the Banbury mixer mould white silk, turn refining to several kinds of rubber and fully merge, when temperature reaches 110-125 ℃; The beginning discharge is parked cooling 23-25 hour behind the discharge;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add zinc oxide, Triple Pressed Stearic Acid, anti-aging agent class material again, after mixing 2-3 minute; Again carbon black is added at twice wherein mixing; It is mixing to add 2/3 carbon black earlier, adds residue 1/3 carbon black again, turns refining about 8-15 minutes; With the abundant mixing 5-6 of Oleum Gossypii semen minute, parked 18-22 hour after then rubber unvulcanizate being emitted again;
(3) add vulcanization system: sulphur, promotor, the scorch retarder of formula rate are joined in the rubber unvulcanizate that parks, and thin logical 5-7 is all over getting final product.
Beneficial effect of the present invention:
Carbon black and vulcanization system select for use high wear-resistant carbon black N339 and conventional vulcanization system to combine in the prescription, have improved the flex fatig resistance and the dynamic fatigue property of cross-linked rubber.
1, aterrimus sizing material, the rubber unvulcanizate good fluidity is easy to sulfuration processing, and qualification rate is high;
2, have good comprehensive performances, strong with metal bonding property; Mechanical property, fatigue property, performance such as ageing-resistant are all higher, are fit to produce wear resisting property, ageing resistance are required than higher pre-stress construction vacuum grouting pump stator rubber coating product.
Embodiment
Embodiment 1: prestress vacuum grouting pump stator rubber coating sizing material, the weight part of its constitutive material is: tree elastomer 100, polyisoprene rubber 5, divinyl rubber 0.05, styrene-butadiene rubber(SBR) 1.2, zinc oxide 3, Triple Pressed Stearic Acid 0.4, sulphur 0.5, antioxidant DPPD 0.3, carbon black N339 10, captax 0.2, Lay mattress wax 4, anti-scorching agent CTP 0.3, Oleum Gossypii semen 5.
The preparation method of prestress vacuum grouting pump stator rubber coating sizing material may further comprise the steps:
(1) moulds white silk: start Banbury mixer; Tree elastomer, polyisoprene rubber, divinyl rubber, styrene-butadiene rubber(SBR) dropped in the Banbury mixer mould white silk, turn refining to several kinds of rubber and fully merge, when temperature reaches 110-125 ℃; The beginning discharge is parked cooling 23-25 hour behind the discharge;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add zinc oxide, Triple Pressed Stearic Acid, anti-aging agent class material again, after mixing 2-3 minute; Again carbon black is added at twice wherein mixing; It is mixing to add 2/3 carbon black earlier, adds residue 1/3 carbon black again, turns refining about 8-15 minute; With the abundant mixing 5-6 of Oleum Gossypii semen minute, parked 18-22 hour after then rubber unvulcanizate being emitted again;
(3) add vulcanization system: sulphur, promotor, the scorch retarder of formula rate are joined in the rubber unvulcanizate that parks, and thin logical 5-7 is all over getting final product.
Embodiment 2: the stator rubber cover of producing with prestress vacuum grouting pump stator rubber coating sizing material of the present invention contrasts like following table with common stator rubber cover
Rubber product of the present invention and General Purpose Rubber product dynamic fatigue test performance comparison
Test conditions: condition: give and carrying: 4900N, amplitude: ± 3mm, minimum 1,200,000 times of frequency: 3Hz
Claims (3)
1. prestress vacuum grouting pump stator rubber coating sizing material is characterized in that the weight part of its constitutive material is: tree elastomer 95-105, polyisoprene rubber 4-6, divinyl rubber 0.04-0.06, styrene-butadiene rubber(SBR) 1.1-1.3,
Zinc oxide 2-4, Triple Pressed Stearic Acid 0.3-0.5, sulphur 0.3-0.6, antioxidant DPPD 0.2-0.4, carbon black N339 8-12, captax 0.1-0.3, Lay mattress wax 3-5, anti-scorching agent CTP 0.2-0.3, Oleum Gossypii semen 4-6.
2. prestress vacuum grouting pump stator rubber coating sizing material according to claim 1 is characterized in that the weight part of its constitutive material is: tree elastomer 100, polyisoprene rubber 5, divinyl rubber 0.05, styrene-butadiene rubber(SBR) 1.2, zinc oxide 3, Triple Pressed Stearic Acid 0.4, sulphur 0.5, antioxidant DPPD 0.3, carbon black N339 10, captax 0.2, Lay mattress wax 4, anti-scorching agent CTP 0.3, Oleum Gossypii semen 5.
3. the preparation method of prestress vacuum grouting pump stator rubber coating sizing material as claimed in claim 1 is characterized in that may further comprise the steps:
(1) moulds white silk: start Banbury mixer; Tree elastomer, polyisoprene rubber, divinyl rubber, styrene-butadiene rubber(SBR) dropped in the Banbury mixer mould white silk, turn refining to several kinds of rubber and fully merge, when temperature reaches 110-125 ℃; The beginning discharge is parked cooling 23-25 hour behind the discharge;
(2) mixing: as above-mentioned cooled broken-(down)rubber to be joined in the Banbury mixer, add zinc oxide, Triple Pressed Stearic Acid, anti-aging agent class material again, after mixing 2-3 minute; Again carbon black is added at twice wherein mixing; It is mixing to add 2/3 carbon black earlier, adds residue 1/3 carbon black again, turns refining about 8-15 minutes; With the abundant mixing 5-6 of Oleum Gossypii semen minute, parked 18-22 hour after then rubber unvulcanizate being emitted again;
(3) add vulcanization system: sulphur, promotor, the scorch retarder of formula rate are joined in the rubber unvulcanizate that parks, and thin logical 5-7 is all over getting final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110456920 CN102532616B (en) | 2011-12-30 | 2011-12-30 | Sizing material of stator rubber sleeve for pre-stressed vacuum grouting pump and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110456920 CN102532616B (en) | 2011-12-30 | 2011-12-30 | Sizing material of stator rubber sleeve for pre-stressed vacuum grouting pump and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102532616A true CN102532616A (en) | 2012-07-04 |
| CN102532616B CN102532616B (en) | 2013-03-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131060A (en) * | 2012-12-19 | 2013-06-05 | 安徽中鼎减震橡胶技术有限公司 | Rubber material and method for machining automobile front auxiliary frame lining with rubber material |
| CN103289153A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Modified damping styrene butadiene rubber and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896123A (en) * | 2005-07-12 | 2007-01-17 | 北京化工大学 | Improvement of rubber compression elasticity at low-temperature |
| CN101202133A (en) * | 2007-11-06 | 2008-06-18 | 远东电缆有限公司 | Spring cable |
-
2011
- 2011-12-30 CN CN 201110456920 patent/CN102532616B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1896123A (en) * | 2005-07-12 | 2007-01-17 | 北京化工大学 | Improvement of rubber compression elasticity at low-temperature |
| CN101202133A (en) * | 2007-11-06 | 2008-06-18 | 远东电缆有限公司 | Spring cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103131060A (en) * | 2012-12-19 | 2013-06-05 | 安徽中鼎减震橡胶技术有限公司 | Rubber material and method for machining automobile front auxiliary frame lining with rubber material |
| CN103289153A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Modified damping styrene butadiene rubber and preparation method thereof |
| CN103289153B (en) * | 2013-06-24 | 2015-03-18 | 苏州新区佳合塑胶有限公司 | Modified damping styrene butadiene rubber and preparation method thereof |
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| CN102532616B (en) | 2013-03-27 |
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