CN103408920A - High hydraulic shock resistance sealing gasket and manufacturing method thereof - Google Patents
High hydraulic shock resistance sealing gasket and manufacturing method thereof Download PDFInfo
- Publication number
- CN103408920A CN103408920A CN2013102731187A CN201310273118A CN103408920A CN 103408920 A CN103408920 A CN 103408920A CN 2013102731187 A CN2013102731187 A CN 2013102731187A CN 201310273118 A CN201310273118 A CN 201310273118A CN 103408920 A CN103408920 A CN 103408920A
- Authority
- CN
- China
- Prior art keywords
- sealing gasket
- add
- wollastonite
- resistance
- hydraulic shock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high hydraulic shock resistance sealing gasket and a manufacturing method thereof. The high hydraulic shock resistance sealing gasket is manufactured from raw materials such as polyurethane rubber, PA66, POE (Polyene Elastomer), ABS (Acrylonitrile Butadiene Styrene), maleic anhydride, dicumyl peroxide, vinyltris(2-methoxyethoxy)silane, potassium titanate fibers, ethylene bistearic amide, modified wollastonite, zinc borate, triphenyl phosphate, acetylene black and the like. According to the manufacturing method, the ABS, the POE and the potassium titanate fibers are used as toughening modifying agents of nylon, and after melt blending modification, the impact resistance and the compressive strength of the nylon are obviously improved, and the interfacial compatibility of the nylon and the polyurethane rubber is effectively improved, thus the hydraulic shock resistance of the sealing gasket is improved; wollastonite is also modified, so that the dispersibility of the wollastonite in the rubber can be obviously improved, and the mechanical strength, the oil resistance, the wear resistance, the high-temperature resistance and the like of the sealing gasket are improved.
Description
Technical field
The present invention relates to a kind of gasket and preparation method thereof, be specifically related to a kind of high resistance hydraulicefficiency impact gasket and preparation method thereof.
Background technology
High-pressure high flux hydraulic power system, when normal operation, easily produce hydraulicefficiency impact, the high pressure that hydraulicefficiency impact produces is several times of system works pressure, if the shock resistance of gasket is poor, tear strength is low, high like this pressure gasket can be torn within the extremely short time or gap is clamp-oned in its part within, cause badly damaged.Therefore, be badly in need of a kind of high resistance hydraulicefficiency impact gasket of research and development, to adapt to the Working environment of high-pressure high flux hydraulic power system.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of high resistance hydraulicefficiency impact gasket and preparation method thereof is provided.
The technical solution used in the present invention is as follows:
A kind of high resistance hydraulicefficiency impact gasket, raw material by following weight part is made: urethanes (HA-5) 80-90, PA66 25-35, POE 10-15, ABS 8-12, maleic anhydride 3-5, dicumyl peroxide 1-2, vinyl three ('beta '-methoxy oxyethyl group) silane 0.5-1, potassium titanate fiber 2-3, ethylene bis stearamide 3-4, modified grammite 10-15, zinc borate 4-8, triphenylphosphate 3-6, Shawinigan black 15-20, sulphur s-80 2-3, vulkacit D PG 1-2, TM monex TM 2-3, antioxidant A W 3-4, zinc oxide 2-3, stearic acid 1-2, lead sulfate tribasic 2-3, oxidation inhibitor DAPD 0.5-1.5, oxidation inhibitor 246 1-2.
Described modified grammite preparation method is as follows:
A. getting dried wollastonite powder is broken to below 15 μ m, drop in Scattered Kettle, add wollastonite amount 2-4 deionized water doubly, under stirring, add again the sodium polyacrylate of 2-3%, the tricalcium phosphate of 1-2%, the Coconut Fatty Acid Monoethanolamide of 2-3%, the rice hull ash of 1-2%, the organobentonite of 3-4%, 2000-3000rpm high speed dispersion 20-30min, through sand mill, grind to form slurry, stand-by;
B. getting the Nano silica sol that is equivalent to wollastonite amount 20-30% adds in stirrer, under stirring, add tetra isopropyl two (the dioctyl phosphorous acid acyloxy) titanic acid ester of 0.5-1%, the nano-sized carbon of 3-4%, the nano aluminum nitride of 1-2%, the Praseodymium trioxide of 2-3% and the sodium laurylsulfate of 1-2%, 50-60 ℃ of dispersed with stirring 30-40min, cooling rear stand-by;
C. above-mentioned pretreated silicon sol is mixed with the slurry that step (a) makes, add the benzene emulsion of 5-8%, the propylene glycol phenylate of 1-2% and the Lauryl Alcohol ester of 2-3%, stir 30-50min, filter, dry, pulverize porphyrize, cross the 200-300 mesh sieve and get final product.
A kind of preparation method of high resistance hydraulicefficiency impact gasket, comprise the following steps: get PA66, POE, ABS, maleic anhydride, dicumyl peroxide, vinyl three ('beta '-methoxy oxyethyl group) silane, potassium titanate fiber, ethylene bis stearamide adds twin screw extruder in 160-180 ℃ of lower blending extrusion by formula rate, after placing 18-24h, add in mill in proportion with after urethanes mixes, add again all the other raw materials under 80-90 ℃, to refine glue 3-6min, 6-8 rear lower sheet of thin-pass; By film vulcanizing press compression moulding under 15-18MPa pressure, then carry out twice sulfidizing, the curing temperature of primary vulcanization is controlled at 170-180 ℃, curing time is 5-8min, vulcanize for the second time in baking oven and carry out, curing temperature is 210-220 ℃, and curing time is 2-3h, deburring, check, packing, get product.
Beneficial effect of the present invention:
The present invention adopts ABS, POE and the potassium titanate fiber plasticized modifier as nylon, after the melt blending modification, significantly improve shock resistance and the ultimate compression strength of nylon, effectively improve the interface compatibility of itself and urethanes, thereby improve the anti-hydraulicefficiency impact of gasket; The present invention has also carried out modification to wollastonite powder, can obviously improve the dispersiveness of wollastonite in rubber, improves the performances such as physical strength, oil-proofness, wear resistance and high thermal resistance of sealing material.The gasket excellent combination property that the present invention produces, good sealing effect, high impact properties, rebound resilience is good, volume change is little, high oil resistant; Also have the advantages such as good chemical stability, high thermal resistance, ageing-resistant, wear resistance, durable in use.
Embodiment
A kind of high resistance hydraulicefficiency impact gasket, raw material by following weight (kg) is made: urethanes (HA-5) 80, PA66 30, POE 12, ABS 10, maleic anhydride 4, dicumyl peroxide 1.5, vinyl three ('beta '-methoxy oxyethyl group) silane 0.8, potassium titanate fiber 3, ethylene bis stearamide 3, modified grammite 10, zinc borate 6, triphenylphosphate 4, Shawinigan black 20, sulphur s-80 3, vulkacit D PG 2, TM monex TM 2, antioxidant A W 3, zinc oxide 2, stearic acid 2, lead sulfate tribasic 3, oxidation inhibitor DAPD 1, oxidation inhibitor 246 1.5.
Described modified grammite preparation method is as follows:
A. getting dried wollastonite powder is broken to below 15 μ m, drop in Scattered Kettle, add wollastonite amount 2-4 deionized water doubly, under stirring, add again 3% sodium polyacrylate, 2% tricalcium phosphate, 2% Coconut Fatty Acid Monoethanolamide, 1% rice hull ash, 3% organobentonite, 3000rpm high speed dispersion 20min, through sand mill, grind to form slurry, stand-by;
B. getting the Nano silica sol that is equivalent to wollastonite amount 30% adds in stirrer, under stirring, add 0.8% tetra isopropyl two (dioctyl phosphorous acid acyloxy) titanic acid ester, 4% nano-sized carbon, 2% nano aluminum nitride, 2% Praseodymium trioxide and 2% sodium laurylsulfate, 50 ℃ of dispersed with stirring 40min, cooling rear stand-by;
C. above-mentioned pretreated silicon sol is mixed with the slurry that step (a) makes, add 6% benzene emulsion, 1.5% propylene glycol phenylate and 2% Lauryl Alcohol ester, stir 40min, filter, dry, pulverize porphyrize, cross 300 mesh sieves and get final product.
A kind of preparation method of high resistance hydraulicefficiency impact gasket, comprise the following steps: get PA66, POE, ABS, maleic anhydride, dicumyl peroxide, vinyl three ('beta '-methoxy oxyethyl group) silane, potassium titanate fiber, ethylene bis stearamide adds twin screw extruder in 180 ℃ of lower blending extrusions by formula rate, after placing 24h, add in mill in proportion with after urethanes mixes, add all the other raw materials under 85 ℃, to refine glue 4min, thin-pass is descended sheet 8 times afterwards again; By film vulcanizing press compression moulding under 18MPa pressure, then carry out twice sulfidizing, the curing temperature of primary vulcanization is 175 ℃, curing time is 6min, vulcanize for the second time in baking oven and carry out, curing temperature is 215 ℃, and curing time is 2h, deburring, check, packing, get product.
Gasket Performance Detection of the present invention is as follows:
Claims (2)
1. high resistance hydraulicefficiency impact gasket, it is characterized in that, raw material by following weight part is made: urethanes (HA-5) 80-90, PA66 25-35, POE 10-15, ABS 8-12, maleic anhydride 3-5, dicumyl peroxide 1-2, vinyl three ('beta '-methoxy oxyethyl group) silane 0.5-1, potassium titanate fiber 2-3, ethylene bis stearamide 3-4, modified grammite 10-15, zinc borate 4-8, triphenylphosphate 3-6, Shawinigan black 15-20, sulphur s-80 2-3, vulkacit D PG 1-2, TM monex TM 2-3, antioxidant A W 3-4, zinc oxide 2-3, stearic acid 1-2, lead sulfate tribasic 2-3, oxidation inhibitor DAPD 0.5-1.5, oxidation inhibitor 246 1-2,
Described modified grammite preparation method is as follows:
A. getting dried wollastonite powder is broken to below 15 μ m, drop in Scattered Kettle, add wollastonite amount 2-4 deionized water doubly, under stirring, add again the sodium polyacrylate of 2-3%, the tricalcium phosphate of 1-2%, the Coconut Fatty Acid Monoethanolamide of 2-3%, the rice hull ash of 1-2%, the organobentonite of 3-4%, 2000-3000rpm high speed dispersion 20-30min, through sand mill, grind to form slurry, stand-by;
B. getting the Nano silica sol that is equivalent to wollastonite amount 20-30% adds in stirrer, under stirring, add tetra isopropyl two (the dioctyl phosphorous acid acyloxy) titanic acid ester of 0.5-1%, the nano-sized carbon of 3-4%, the nano aluminum nitride of 1-2%, the Praseodymium trioxide of 2-3% and the sodium laurylsulfate of 1-2%, 50-60 ℃ of dispersed with stirring 30-40min, cooling rear stand-by;
C. above-mentioned pretreated silicon sol is mixed with the slurry that step (a) makes, add the benzene emulsion of 5-8%, the propylene glycol phenylate of 1-2% and the Lauryl Alcohol ester of 2-3%, stir 30-50min, filter, dry, pulverize porphyrize, cross the 200-300 mesh sieve and get final product.
2. the preparation method of a high resistance hydraulicefficiency impact gasket as claimed in claim 1, it is characterized in that comprising the following steps: get PA66, POE, ABS, maleic anhydride, dicumyl peroxide, vinyl three ('beta '-methoxy oxyethyl group) silane, potassium titanate fiber, ethylene bis stearamide adds twin screw extruder in 160-180 ℃ of lower blending extrusion by formula rate, after placing 18-24h, add in mill in proportion with after urethanes mixes, add again all the other raw materials under 80-90 ℃, to refine glue 3-6min, 6-8 rear lower sheet of thin-pass; By film vulcanizing press compression moulding under 15-18MPa pressure, then carry out twice sulfidizing, the curing temperature of primary vulcanization is controlled at 170-180 ℃, curing time is 5-8min, vulcanize for the second time in baking oven and carry out, curing temperature is 210-220 ℃, and curing time is 2-3h, deburring, check, packing, get product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310273118.7A CN103408920B (en) | 2013-07-01 | 2013-07-01 | A kind of high resistance hydraulic shock sealing gasket and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310273118.7A CN103408920B (en) | 2013-07-01 | 2013-07-01 | A kind of high resistance hydraulic shock sealing gasket and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103408920A true CN103408920A (en) | 2013-11-27 |
| CN103408920B CN103408920B (en) | 2016-05-25 |
Family
ID=49601967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310273118.7A Active CN103408920B (en) | 2013-07-01 | 2013-07-01 | A kind of high resistance hydraulic shock sealing gasket and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103408920B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652007A (en) * | 2018-12-06 | 2019-04-19 | 成都硅宝科技股份有限公司 | Impervious oily bi-component silicone sealant of one kind and preparation method thereof |
| CN109749400A (en) * | 2017-11-03 | 2019-05-14 | 丹阳市贝尔特橡塑制品有限公司 | A kind of anti-aging automobile sealing gasket |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1191067A1 (en) * | 1999-08-27 | 2002-03-27 | Atofina | Thermoplastic resins copolymers modified with copolymers based on heavy acrylates |
| CN1687235A (en) * | 2005-01-31 | 2005-10-26 | 于志斌 | Rubber diaphragm of polyurethane |
| CN101837665A (en) * | 2010-05-27 | 2010-09-22 | 上海加富橡胶制品有限公司 | Rubber combination and diaphragm containing same |
| CN102649852A (en) * | 2012-03-26 | 2012-08-29 | 安徽中鼎橡塑制品有限公司 | Sealing ring and manufacturing method thereof |
-
2013
- 2013-07-01 CN CN201310273118.7A patent/CN103408920B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1191067A1 (en) * | 1999-08-27 | 2002-03-27 | Atofina | Thermoplastic resins copolymers modified with copolymers based on heavy acrylates |
| CN1687235A (en) * | 2005-01-31 | 2005-10-26 | 于志斌 | Rubber diaphragm of polyurethane |
| CN101837665A (en) * | 2010-05-27 | 2010-09-22 | 上海加富橡胶制品有限公司 | Rubber combination and diaphragm containing same |
| CN102649852A (en) * | 2012-03-26 | 2012-08-29 | 安徽中鼎橡塑制品有限公司 | Sealing ring and manufacturing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109749400A (en) * | 2017-11-03 | 2019-05-14 | 丹阳市贝尔特橡塑制品有限公司 | A kind of anti-aging automobile sealing gasket |
| CN109652007A (en) * | 2018-12-06 | 2019-04-19 | 成都硅宝科技股份有限公司 | Impervious oily bi-component silicone sealant of one kind and preparation method thereof |
| CN109652007B (en) * | 2018-12-06 | 2021-05-18 | 成都硅宝科技股份有限公司 | Oil-seepage-resistant bi-component silicone sealant and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103408920B (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103524843B (en) | A kind of control signal cable jacket material and preparation method thereof | |
| CN103408810A (en) | Sealing gasket for hydraulic cylinder and preparation method thereof | |
| CN102634077B (en) | Tire tread rubber composition and preparation method | |
| CN103351559A (en) | Tetrafluoroethylene-propylene rubber/silicone rubber/chloroprene rubber composite sealing pad and preparation method thereof | |
| CN101319061B (en) | Tire tread glue formulation adapted for various pavement conditions | |
| CN104893042B (en) | A kind of vulcanization of rubber glue containing ion liquid modified graphene oxide and preparation method thereof | |
| CN103436029B (en) | A kind of fire resistant anticorrosive pump valve seal pad and preparation method thereof | |
| CN103524931B (en) | A kind of High-abrasion-resistpolyvinyl polyvinyl chloride cable sheath material and preparation method thereof | |
| CN103408944A (en) | Silicon rubber/polyurethane rubber composite hydraulic sealing gasket and preparation method thereof | |
| CN103408853A (en) | High-strength tear-resistant rubber sealing gasket and preparation method thereof | |
| CN103408806A (en) | Anti-fatigue ageing-resistant hydraulic sealing gasket and preparation method thereof | |
| CN103509210A (en) | Wear-resistant drilling pump valve sealing gasket and its preparation method | |
| CN103289143A (en) | Energy-saving tire tread rubber composition and preparation method thereof | |
| CN103524930A (en) | Cold-resistant PVC sheath material for cable and preparation method thereof | |
| CN109161110A (en) | A kind of addition graphene/carbon black composite material tyre airtight layer glue and preparation method thereof | |
| CN110643072A (en) | Supported sulfur, preparation method and application thereof, and rubber composition | |
| CN102977486A (en) | Nanometer argil modified chlorosulfonated polyethylene rubber sealing gasket and its preparation method | |
| CN103524848B (en) | A kind of Locomotive engine cable thermoplastic low-smoke halogen-free flame-retardant sheath material and preparation method thereof | |
| CN103524906A (en) | Anti-scratch cable rubber sheath material and preparation method | |
| CN103360702A (en) | High/low-temperature-resistant fluoroether-butadiene styrene rubber sealing gasket and preparation method thereof | |
| CN103408831A (en) | High impact resistance pump valve sealing gasket and preparation method thereof | |
| CN103408920B (en) | A kind of high resistance hydraulic shock sealing gasket and preparation method thereof | |
| JP2013043926A (en) | Method for producing composite, rubber composition, and pneumatic tire | |
| CN105802230A (en) | Silicone rubber sealing pad having low permanent compression set value and preparation method thereof | |
| CN103408943A (en) | Silicon rubber sealing ring for hydraulic braking system of automobile, and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |