CN105131579A - Oil-proof fireproof soft cable material for oil-immersed pump and preparation method of oil-proof fireproof soft cable material - Google Patents
Oil-proof fireproof soft cable material for oil-immersed pump and preparation method of oil-proof fireproof soft cable material Download PDFInfo
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Abstract
The invention discloses an oil-proof fireproof soft cable material for an oil-immersed pump. The oil-proof fireproof soft cable material is characterized by being prepared from the following raw materials in parts by weight: 100-102 parts of polyether urethane, 20-21.5 parts of aluminum diethylphosphinate, 17-18 parts of aluminum diethylphosphinate, 4.3-4.5 parts of aluminium titanate, 50-52 parts of PVC, 1.6-1.8 parts of a cross-linking agent TAIC, 6-7 parts of calcium stearate, 20-22 parts of acetyl tributyl citrate, 0.8-1 part of a scorch retarder CTP, 3-4 parts of polyethylene wax, 5-6 parts of silica micro-powder, 6-7 parts of cerium oxide, 7-8 parts of methyl vinyl silicone rubber, 2-3 parts of polyvinyl alcohol, 1.2-1.4 parts of vinyltris (methylethylketoximino) silane, 1-1.3 parts of tween 80 and a moderate amount of water. The cable material prepared through the preparation method is excellent in weather resistance, fire retardance, chemical resistance and oil resistance, and good in physical and mechanical properties, such as tear resistance, bending resistance and abrasion resistance.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to a kind of oil-immersed pump oil resistant fire prevention flexible cable material and preparation method thereof.
Background technology
Thermoplastic polyurethane is the elastomer material be polymerized by vulcabond, polyvalent alcohol and chainextender, and it has high strength, snappiness, wear-resisting, oil resistant, weather, the feature such as low temperature resistant, soft, and this is that comprehensive any rubber and plastics do not possess entirely.Polyether-type and the large class of polyester type two can be divided into according to molecular structure, because the environment for use of cable is more complicated, the work-ing life required is more than 10 years, and the high temperature anti-hydrolytic performance of PAUR is poor, and low temperature flexibility is also not as good as polyether-type, therefore in field of cables many uses polyether polyurethane material.The oxygen index of polyether polyurethane material only has 18%, belong to inflammable material, and there is dense smoke and with toxic gas and serious molten drop during burning, and the price of urethane is relatively high, which limits the application on cable industry, therefore need to carry out above flame-retardant modified and composition to polyether(poly)urethane cross-linking modified.The cost of PVC is low, application wide, is a kind of important general-purpose plastics, have research by polyether(poly)urethane and PVC blended, obtain that cost is low, the material of excellent processing performance.The present invention then wishes to be undertaken cross-linking modified by polyether(poly)urethane and PVC, by the interpolation of flame-retardant composition, prepare that a kind of cost is low, applied range, fire-retardant fireproof excellent performance, processing fluidity is good, resistance to low temperature is good flexible cable sheath material.
Diglyhus isaea is the matching used private cable of Electric Submersible Pump Unit, it is different from conventional power cable, often be laid in oil well, in oil well, working conditions is severe, often be in the very strong environment of the corrodibility such as high temperature, high pressure and oily, oil resistant, the fire resistance of this kind of cable require very high.At present, domestic submersible electric pump cable mostly adopt ethylene-propylene rubber(EPR) and paracril made, and ethylene-propylene rubber(EPR) resistance toheat can only reach 90 DEG C, and oil-proofness is also poor; Though paracril has excellent oil resistance, resistance to elevated temperatures is poor; Therefore, a kind of oil resistant cable material that can at high temperature use of exploitation is badly in need of, for the manufacture of diglyhus isaea.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of oil-immersed pump oil resistant fire prevention flexible cable material and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of oil-immersed pump oil resistant fire prevention flexible cable material, is made up of the raw material of following weight part: polyether(poly)urethane 100-102, aluminum diethylphosphinate 20-21.5, melamine cyanurate 17-18, aluminium titanates 4.3-4.5, PVC50-52, linking agent TAIC1.6-1.8, calcium stearate 6-7, tributyl acetylcitrate 20-22, anti-scorching agent CTP 0.8-1, polyethylene wax 3-4, silicon powder 5-6, cerium oxide 6-7, methyl vinyl silicone rubber 7-8, polyvinyl alcohol 2-3, vinyl tributyl ketoximyl silane 1.2-1.4, tween 80 1-1.3, water are appropriate.
Described a kind of oil-immersed pump oil resistant fire prevention flexible cable material, be made up of following concrete steps:
(1) calcium stearate of aluminum diethylphosphinate, melamine cyanurate, aluminium titanates, half amount is put into high-speed mixer, after stirring 10 minutes with the speed of 1000 revs/min under normal temperature, then 80 DEG C are heated to, stir 15 minutes with the speed of 1200 revs/min, obtain finely dispersed compound flame retardant; Polyether(poly)urethane being placed on temperature is in the air dry oven of 90 DEG C dry 3 hours, sealing sends into two roller mill after taking out after being cooled to room temperature, before and after controlling, roll temperature is 130 DEG C, begin to pratise 3 minutes, add compound flame retardant again, pour out after continuing to begin to pratise 8 minutes, send in twin screw extruder, be extruding pelletization under the condition of 140 DEG C in temperature, obtain flame-retardant modified polyether(poly)urethane masterbatch;
(2) by PVC, linking agent TAIC, tributyl acetylcitrate and remaining calcium stearate join in high-speed mixer, temperature control 100 DEG C, 10 minutes are stirred with the speed of 1000 revs/min, then material is put into cold mixer, stir with the speed of 200 revs/min, until add the flame-retardant modified polyether(poly)urethane masterbatch that step (2) obtains when material is cooled to room temperature, discharging after mixing 5 minutes with the speed of 1000 revs/min at normal temperatures, again the material mixed is sent in parallel double-screw extruder, mix 30 minutes, controlling extrusion temperature is 145 DEG C, extruding pelletization, obtain cross-linking modified masterbatch,
(3) mixed with cerium oxide by silicon powder, add the tween 80 being dissolved in 20 times of water gagings, stir evenly, add vinyl tributyl ketoximyl silane, be heated to 60 DEG C and stir 20 minutes, suction filtration gets precipitation, and the temperature putting into 80 DEG C, baking oven is dried stand-by; Methyl vinyl silicone rubber is put into Banbury mixer, with the temperature banburying of 160 DEG C after 5 minutes, adds the powder of polyvinyl alcohol, above-mentioned oven dry, continue banburying and pour out after 8 minutes, pulverize after being cooled to room temperature, cross 400 mesh sieves, obtain modified filler;
(4) modified filler that cross-linking modified masterbatch step (2) obtained and step (3) obtain and all the other remaining components are sent in twin screw extruder jointly, mix after 10 minutes, with the temperature extruding pelletization of 150 DEG C and get final product.
Advantage of the present invention is: the present invention adopts aluminum diethylphosphinate and melamine cyanurate to be main flame retardant in the modification of polyether(poly)urethane, composite aluminium titanates, synergy, effectively can improve the neat coal amout of combustion processes, and make layer of charcoal finer and close, also reduce maximum heat rate of release simultaneously, demonstrate excellent fire-retardant fireproof effect; Recycling PVC and modified polyether(poly)urethane are cross-linked, and flame retardant properties strengthens further, not only maintains urethane softness, wear-resisting, low temperature resistant character, reduces cost simultaneously, improve the thermostability of crosslinked material, be more suitable for the market requirement.
The present invention adds methyl vinyl silicone rubber as functional ingredients, by a series of technique, add silicon powder, cerium oxide, polyvinyl alcohol etc. and make the functional stuffing with oil resistant character, the CABLE MATERIALS made has excellent weathering resistance, fire protection flame retarding, chemical proofing, oil-proofness, and has good anti tear, resist bending and the physical and mechanical properties such as wear-resisting.
Embodiment
A kind of oil-immersed pump oil resistant fire prevention flexible cable material, is made up of the raw material of following weight part (kilogram): polyether(poly)urethane 100, aluminum diethylphosphinate 20, melamine cyanurate 17, aluminium titanates 4.3, PVC50, linking agent TAIC1.6, calcium stearate 6, tributyl acetylcitrate 20, anti-scorching agent CTP 0.8, polyethylene wax 3, silicon powder 5, cerium oxide 6, methyl vinyl silicone rubber 7, polyvinyl alcohol 2, vinyl tributyl ketoximyl silane 1.2, tween 80 1, water are appropriate.
Described a kind of oil-immersed pump oil resistant fire prevention flexible cable material, be made up of following concrete steps:
(1) calcium stearate of aluminum diethylphosphinate, melamine cyanurate, aluminium titanates, half amount is put into high-speed mixer, after stirring 10 minutes with the speed of 1000 revs/min under normal temperature, then 80 DEG C are heated to, stir 15 minutes with the speed of 1200 revs/min, obtain finely dispersed compound flame retardant; Polyether(poly)urethane being placed on temperature is in the air dry oven of 90 DEG C dry 3 hours, sealing sends into two roller mill after taking out after being cooled to room temperature, before and after controlling, roll temperature is 130 DEG C, begin to pratise 3 minutes, add compound flame retardant again, pour out after continuing to begin to pratise 8 minutes, send in twin screw extruder, be extruding pelletization under the condition of 140 DEG C in temperature, obtain flame-retardant modified polyether(poly)urethane masterbatch;
(2) by PVC, linking agent TAIC, tributyl acetylcitrate and remaining calcium stearate join in high-speed mixer, temperature control 100 DEG C, 10 minutes are stirred with the speed of 1000 revs/min, then material is put into cold mixer, stir with the speed of 200 revs/min, until add the flame-retardant modified polyether(poly)urethane masterbatch that step (2) obtains when material is cooled to room temperature, discharging after mixing 5 minutes with the speed of 1000 revs/min at normal temperatures, again the material mixed is sent in parallel double-screw extruder, mix 30 minutes, controlling extrusion temperature is 145 DEG C, extruding pelletization, obtain cross-linking modified masterbatch,
(3) mixed with cerium oxide by silicon powder, add the tween 80 being dissolved in 20 times of water gagings, stir evenly, add vinyl tributyl ketoximyl silane, be heated to 60 DEG C and stir 20 minutes, suction filtration gets precipitation, and the temperature putting into 80 DEG C, baking oven is dried stand-by; Methyl vinyl silicone rubber is put into Banbury mixer, with the temperature banburying of 160 DEG C after 5 minutes, adds the powder of polyvinyl alcohol, above-mentioned oven dry, continue banburying and pour out after 8 minutes, pulverize after being cooled to room temperature, cross 400 mesh sieves, obtain modified filler;
(4) modified filler that cross-linking modified masterbatch step (2) obtained and step (3) obtain and all the other remaining components are sent in twin screw extruder jointly, mix after 10 minutes, with the temperature extruding pelletization of 150 DEG C and get final product.
By the production of materials application of the present invention in cable, after testing, the index reached is as follows for cable product: tensile strength is 22.1MPa, and fracture extension rate is 311%, and oxygen index >=30%, flame retardant properties reaches UL-94V-0 level.
Claims (2)
1. an oil-immersed pump oil resistant fire prevention flexible cable material, it is characterized in that, be made up of the raw material of following weight part: polyether(poly)urethane 100-102, aluminum diethylphosphinate 20-21.5, melamine cyanurate 17-18, aluminium titanates 4.3-4.5, PVC50-52, linking agent TAIC1.6-1.8, calcium stearate 6-7, tributyl acetylcitrate 20-22, anti-scorching agent CTP 0.8-1, polyethylene wax 3-4, silicon powder 5-6, cerium oxide 6-7, methyl vinyl silicone rubber 7-8, polyvinyl alcohol 2-3, vinyl tributyl ketoximyl silane 1.2-1.4, tween 80 1-1.3, water is appropriate.
2. a kind of oil-immersed pump oil resistant fire prevention flexible cable material according to claim 1, is characterized in that, be made up of following concrete steps:
(1) calcium stearate of aluminum diethylphosphinate, melamine cyanurate, aluminium titanates, half amount is put into high-speed mixer, after stirring 10 minutes with the speed of 1000 revs/min under normal temperature, then 80 DEG C are heated to, stir 15 minutes with the speed of 1200 revs/min, obtain finely dispersed compound flame retardant; Polyether(poly)urethane being placed on temperature is in the air dry oven of 90 DEG C dry 3 hours, sealing sends into two roller mill after taking out after being cooled to room temperature, before and after controlling, roll temperature is 130 DEG C, begin to pratise 3 minutes, add compound flame retardant again, pour out after continuing to begin to pratise 8 minutes, send in twin screw extruder, be extruding pelletization under the condition of 140 DEG C in temperature, obtain flame-retardant modified polyether(poly)urethane masterbatch;
(2) by PVC, linking agent TAIC, tributyl acetylcitrate and remaining calcium stearate join in high-speed mixer, temperature control 100 DEG C, 10 minutes are stirred with the speed of 1000 revs/min, then material is put into cold mixer, stir with the speed of 200 revs/min, until add the flame-retardant modified polyether(poly)urethane masterbatch that step (2) obtains when material is cooled to room temperature, discharging after mixing 5 minutes with the speed of 1000 revs/min at normal temperatures, again the material mixed is sent in parallel double-screw extruder, mix 30 minutes, controlling extrusion temperature is 145 DEG C, extruding pelletization, obtain cross-linking modified masterbatch,
(3) mixed with cerium oxide by silicon powder, add the tween 80 being dissolved in 20 times of water gagings, stir evenly, add vinyl tributyl ketoximyl silane, be heated to 60 DEG C and stir 20 minutes, suction filtration gets precipitation, and the temperature putting into 80 DEG C, baking oven is dried stand-by; Methyl vinyl silicone rubber is put into Banbury mixer, with the temperature banburying of 160 DEG C after 5 minutes, adds the powder of polyvinyl alcohol, above-mentioned oven dry, continue banburying and pour out after 8 minutes, pulverize after being cooled to room temperature, cross 400 mesh sieves, obtain modified filler;
(4) modified filler that cross-linking modified masterbatch step (2) obtained and step (3) obtain and all the other remaining components are sent in twin screw extruder jointly, mix after 10 minutes, with the temperature extruding pelletization of 150 DEG C and get final product.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105504597A (en) * | 2016-01-29 | 2016-04-20 | 郝福 | Fire retardant for PVC material of cable |
| CN105924932A (en) * | 2016-05-18 | 2016-09-07 | 安徽华能电缆集团有限公司 | Explosion-proof cable sheath material and preparation method thereof |
| CN106024189A (en) * | 2016-05-15 | 2016-10-12 | 淄博夸克医药技术有限公司 | Anti-signal-interference shielded cable and preparation method thereof |
| CN106753200A (en) * | 2016-12-09 | 2017-05-31 | 杭州之江有机硅化工有限公司 | It is a kind of to base material not adhesion type silicone rubber sealant and preparation method thereof |
| RU2637949C1 (en) * | 2016-08-03 | 2017-12-08 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | Composition for oil-and-petrol resistant plasticate |
| CN116178933A (en) * | 2023-05-05 | 2023-05-30 | 西隆电缆有限公司 | High-flame-retardance high-wear-resistance cable material and cable |
| CN118165498A (en) * | 2024-04-08 | 2024-06-11 | 东莞市朗晟材料科技有限公司 | Silicone rubber thermoplastic elastomer with good compatibility of components and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105504597A (en) * | 2016-01-29 | 2016-04-20 | 郝福 | Fire retardant for PVC material of cable |
| CN106024189A (en) * | 2016-05-15 | 2016-10-12 | 淄博夸克医药技术有限公司 | Anti-signal-interference shielded cable and preparation method thereof |
| CN105924932A (en) * | 2016-05-18 | 2016-09-07 | 安徽华能电缆集团有限公司 | Explosion-proof cable sheath material and preparation method thereof |
| RU2637949C1 (en) * | 2016-08-03 | 2017-12-08 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Волгоградский государственный технический университет" (ВолгГТУ) | Composition for oil-and-petrol resistant plasticate |
| CN106753200A (en) * | 2016-12-09 | 2017-05-31 | 杭州之江有机硅化工有限公司 | It is a kind of to base material not adhesion type silicone rubber sealant and preparation method thereof |
| CN116178933A (en) * | 2023-05-05 | 2023-05-30 | 西隆电缆有限公司 | High-flame-retardance high-wear-resistance cable material and cable |
| CN118165498A (en) * | 2024-04-08 | 2024-06-11 | 东莞市朗晟材料科技有限公司 | Silicone rubber thermoplastic elastomer with good compatibility of components and preparation method thereof |
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Application publication date: 20151209 |