CN104629102A - Special oil-resistant aging-resistant natural rubber cable material for oil wells - Google Patents
Special oil-resistant aging-resistant natural rubber cable material for oil wells Download PDFInfo
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- C08L7/00—Compositions of natural rubber
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Abstract
The invention discloses a special oil-resistant aging-resistant natural rubber cable material for oil wells, which is prepared from the following raw materials in parts by weight: 70-85 parts of natural rubber, 5-13 parts of epoxy resin, 5-12 parts of epoxidized natural rubber, 3-8 parts of fluid rubber, 3-9 parts of polyether polyurethane, 15-30 parts of modified nano microcrystalline cellulose, 15-25 parts of fly ash, 5-10 parts of talcum powder, 3-5 parts of stearic acid, 4-7 parts of modified nano zinc oxide, 1-2.3 parts of magnesium oxide, 1.8-3 parts of sulfur, 0.3-0.8 part of N,N'-m-phenylenedimaleimide, 1-3 parts of accelerator, 3-4.5 parts of 2,4-dinitrophenylhydrazine, 3-6 parts of anti-aging agent, 1-2.5 parts of cerium stearate, 5-13 parts of phenol formaldehyde resin and 0.1-0.4 part of cobalt borate acylate. The special oil-resistant aging-resistant natural rubber cable material for oil wells has the advantages of high strength, favorable oil resistance and favorable aging resistance.
Description
Technical field
The present invention relates to cable material technical field, particularly relate to the ageing-resistant natural rubber cable material of the special oil resistant of a kind of oil well.
Background technology
The natural high moleculer eompound of natural rubber to be a kind of with polyisoprene be main component.The rubber of natural rubber has the over-all properties that intensity is high, be easy to the excellences such as sulfuration, the rubber item excellent spring of gained, and intensity is high, and elongation is large, and creep is little.Along with people are to the raising of rubber item performance requriements, the oil-proofness of current natural rubber and ageing resistance also cannot meet a lot of actual requirement, need to carry out modification.
Summary of the invention
The present invention proposes the ageing-resistant natural rubber cable material of the special oil resistant of a kind of oil well, its intensity is high, oil-proofness and ageing-resistant performance good, with its make cable material good combination property, long service life.
The present invention proposes the ageing-resistant natural rubber cable material of the special oil resistant of a kind of oil well, its raw material comprises following component by weight: natural rubber 70-85 part, epoxy resin 5-13 part, epoxy natural rubber 5-12 part, fluid rubber 3-8 part, polyether(poly)urethane 3-9 part, modified Nano Microcrystalline Cellulose 15-30 part, flyash 15-25 part, talcum powder 5-10 part, stearic acid 3-5 part, modified nano zinc oxide 4-7 part, magnesium oxide 1-2.3 part, sulphur 1.8-3 part, N, N '-penylene bismaleimides 0.3-0.8 part, promotor 1-3 part, 2, 4-dinitrophenylhydrazine 3-4.5 part, anti-aging agent 3-6 part, cerium stearate 1-2.5 part, resol 5-13 part, cobalt boracylate 0.1-0.4 part.
Preferably, its raw material comprises following component by weight: natural rubber 76-80 part, epoxy resin 9-11 part, epoxy natural rubber 8-10 part, fluid rubber 6-6.7 part, polyether(poly)urethane 6-7.2 part, modified Nano Microcrystalline Cellulose 20-26 part, flyash 18-22 part, talcum powder 8-8.7 part, stearic acid 4.3-4.8 part, modified nano zinc oxide 5.3-6.3 part, magnesium oxide 1.7-2.0 part, sulphur 2.2-2.7 part, N, N '-penylene bismaleimides 0.5-0.68 part, promotor 1.7-2.3 part, 2, 4-dinitrophenylhydrazine 3.8-4.2 part, anti-aging agent 4.3-5.2 part, cerium stearate 1.7-2.1 part, resol 8-10 part, cobalt boracylate 0.22-0.34 part.
Preferably; its raw material comprises following component by weight: natural rubber 78 parts, epoxy resin 10 parts, epoxy natural rubber 9 parts, fluid rubber 6.3 parts, polyether(poly)urethane 6.8 parts, modified Nano Microcrystalline Cellulose 23 parts, 19 parts, flyash, talcum powder 8.4 parts, stearic acid 4.5 parts, modified nano zinc oxide 6 parts, 1.8 parts, magnesium oxide, 2.3 parts, sulphur, N; N '-penylene bismaleimides 0.59 part, promotor 2.1 parts, 2,4 dinitrophenyl hydrazine 4 parts, 4.7 parts, anti-aging agent, cerium stearate 2 parts, 8.6 parts, resol, cobalt boracylate 0.26 part.
Preferably, the properties-correcting agent of described modified Nano Microcrystalline Cellulose is one or more the combination in γ-aminopropyl triethoxysilane, γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyltriethoxysilane, 3-aminopropyl trimethoxysilane, two-[γ-(triethoxysilicane) propyl group] tetrasulfide, vinyltriethoxysilane, vinyl three ('beta '-methoxy oxyethyl group) silane, zinc methacrylate, stearic acid; The median size of described modified Nano Microcrystalline Cellulose is 30-55nm.
Preferably, the properties-correcting agent of described modified nano zinc oxide is dimethyldiethoxysilane.
Preferably, described fluid rubber is prepared according to following technique: add (2-4) X part propyl carbinol by after X part butyl methacrylate, (1-1.5) X part Isooctyl acrylate monomer, the mixing of (0.5-0.9) X part glycidyl acrylate by weight, (0.01-0.05) X part benzoyl peroxide is added after stirring, 105-120 DEG C is warming up to after passing into nitrogen, reaction 1.5-2.5h, reaction terminates rear distillation and obtains described fluid rubber.
Preferably, described fluid rubber is prepared according to following technique: add (2.5-3.5) X part propyl carbinol by after X part butyl methacrylate, (1.2-1.35) X part Isooctyl acrylate monomer, the mixing of (0.7-0.8) X part glycidyl acrylate by weight, (0.03-0.04) X part benzoyl peroxide is added after stirring, 110-116 DEG C is warming up to after passing into nitrogen, reaction 1.9-2.2h, reaction terminates rear distillation and obtains described fluid rubber.
Preferably, described fluid rubber is prepared according to following technique: add 3X part propyl carbinol by after X part butyl methacrylate, 1.3X part Isooctyl acrylate monomer, the mixing of 0.75X part glycidyl acrylate by weight, 0.03X part benzoyl peroxide is added after stirring, 115 DEG C are warming up to after passing into nitrogen, reaction 2h, reaction terminates rear distillation and obtains described fluid rubber.
Preferably, described anti-aging agent is one or more the combination in antioxidant D, antioxidant H, anti-aging agent WSP, antioxidant MB, antioxidant 4010, antioxidant SP.
In the present invention, epoxy resin has higher electric, resistance toheat, add the thermotolerance can improving cable in cable material to, but adding of epoxy resin causes the toughness of cable material to reduce, add fluid rubber and polyether(poly)urethane as toughner, while ensureing the thermotolerance that epoxy resin is high, improve the toughness of cable material; The oil-proofness of epoxy natural rubber is good, join in cable material, 2, under the adjustment of 4-dinitrophenylhydrazine, the epoxy group(ing) in epoxy natural rubber can open loop, reacts with the hydroxyl on nano micro crystal cellulose surface, add the interaction between nano micro crystal cellulose and rubber matrix, nano micro crystal cellulose is well dispersed in rubber, coordinates with flyash, talcum powder, improve the intensity of cable material, thermotolerance and ageing resistance; Cerium stearate joins in cable material, coordinates the ageing resistance further increasing cable material with anti-aging agent; Cobalt boracylate joins in cable material the tackyness that improve cable material.In the ageing-resistant natural rubber cable material of the special oil resistant of oil well described in the present invention, each raw material according to aforementioned proportion with the use of, make it have complementary advantages, the special oil resistant of the oil well obtained ageing-resistant natural rubber cable material intensity is high, oil-proofness and aging good, long service life.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
In a particular embodiment, the ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, in its raw material, the weight part of natural rubber can be 75.3, 76, 76.8, 78, 78.9, 80, 81, 82.3, 83, 83.4, 84, 84.5 parts, the weight part of epoxy resin can be 5.3, 6, 6.7, 7, 7.4, 8, 8.3, 9, 9.4, 10, 10.3, 11, 11.5, 12, 12.6 parts, the weight part of epoxy natural rubber can be 5.6, 6, 6.3, 7, 7.4, 8, 8.5, 9, 9.3, 10, 10.5, 11, 11.6 parts, the weight part of fluid rubber can be 3.2, 4, 4.5, 5, 5.6, 6, 6.2, 7, 7.3, 7.8 parts, the weight part of polyether(poly)urethane can be 3.4, 3.8, 4, 4.3, 4.7, 5, 5.3, 5.8, 6, 6.3, 6.7, 7, 7.4, 8, 8.3, 8.7 parts, the weight part of modified Nano Microcrystalline Cellulose can be 15.6, 16, 16.7, 17, 17.4, 18, 18.3, 19, 19.4, 20, 20.3, 21, 21.6, 22, 22.3, 23, 23.5, 24, 24.6, 25, 25.3, 26, 26.8, 27, 28, 29.4 parts, the weight part of flyash can be 15.6, 16, 16.3, 18, 19, 19.4, 20, 20.3, 21, 21.6, 22, 22.4, 23, 23.5, 24, 24.6 parts, talcous weight part can be 5.3, 5.8, 6, 6.4, 7, 7.3, 8, 8.4, 9, 9.3, 9.7 parts, stearic weight part can be 3.2, 3.7, 4, 4.3, 4.6 parts, the weight part of modified nano zinc oxide can be 4.2, 4.8, 5, 5.3, 5.7, 6, 6.3, 6.8 parts, magnesian weight part can be 1.1, 1.2, 1.35, 1.6, 1.68, 1.8, 1.94, 2, 2.1, 2.2, 2.23 parts, the weight part of sulphur can be 1.86, 1.9, 2, 2.3, 2.7, 2.9 parts, N, N ' weight part an of-penylene bismaleimides can be 0.35, 0.40, 0.46, 0.5, 0.53, 0.6, 0.67, 0.7, 0.74, 0.78 part, the weight part of promotor can be 1.2, 1.3, 1.45, 1.6, 1.67, 1.8, 1.83, 1.9, 2, 2.2, 2.3, 2.45, 2.6, 2.68, 2.8, 2.9, 2.94 parts, the weight part of 2,4 dinitrophenyl hydrazine can be 3.3, 3.4, 3.7, 4, 4.2, 4.35, 4.4, 4.43 parts, the weight part of anti-aging agent can be 3.2, 3.8, 4, 4.3, 4.7, 5.3, 5.7 parts, the weight part of cerium stearate can be 1.2, 1.5, 1.56, 1.7, 1.86, 1.9, 2, 2.3, 2.34, 2.4, 2.46 parts, the weight part of resol can be 5.3, 5.7, 6, 6.4, 7, 7.5, 8, 8.6, 9, 9.3, 10, 10.6, 11, 11.5, 12, 12.3 parts, the weight part of cobalt boracylate can be 0.13, 0.2, 0.26, 0.3, 0.34, 0.38 part.
Embodiment 1
The ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its raw material comprises following component by weight: natural rubber 70 parts, epoxy resin 13 parts, epoxy natural rubber 12 parts, fluid rubber 3 parts, polyether(poly)urethane 3 parts, modified Nano Microcrystalline Cellulose 15 parts, 25 parts, flyash, talcum powder 5 parts, stearic acid 5 parts, modified nano zinc oxide 4 parts, 2.3 parts, magnesium oxide, 1.8 parts, sulphur, N, N '-penylene bismaleimides 0.8 part, promotor 3 parts, 2, 4-dinitrophenylhydrazine 3 parts, 6 parts, anti-aging agent, cerium stearate 1 part, 5 parts, resol, cobalt boracylate 0.4 part.
Carry out Performance Detection to the ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its tensile strength is 39MPa, and elongation at break is 575%; After the hot air aging of 100 DEG C × 24h, stretching strength retentivity is 93.4%, and elongation at break conservation rate is 92.6%; After IRM902 oil 90 DEG C × 70h process, stretching strength retentivity is 96.3%, and elongation at break conservation rate is 94.2%.
Embodiment 2
The ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its raw material comprises following component by weight: natural rubber 85 parts, epoxy resin 5 parts, epoxy natural rubber 5 parts, fluid rubber 8 parts, polyether(poly)urethane 9 parts, modified Nano Microcrystalline Cellulose 30 parts, 15 parts, flyash, talcum powder 10 parts, stearic acid 3 parts, modified nano zinc oxide 7 parts, 1 part, magnesium oxide, 3 parts, sulphur, N, N '-penylene bismaleimides 0.8 part, promotor 1 part, 2, 4-dinitrophenylhydrazine 4.5 parts, 3 parts, anti-aging agent, cerium stearate 2.5 parts, 13 parts, resol, cobalt boracylate 0.1 part,
Wherein, the properties-correcting agent of described modified Nano Microcrystalline Cellulose is γ-aminopropyl triethoxysilane; The median size of described modified Nano Microcrystalline Cellulose is 30nm; The properties-correcting agent of described modified nano zinc oxide is dimethyldiethoxysilane; Described anti-aging agent is antioxidant D;
Described fluid rubber is prepared according to following technique: by weight the butyl methacrylate of 3 parts, the Isooctyl acrylate monomer of 3 parts, the glycidyl acrylate of 2.7 parts are added 12 parts of propyl carbinols after mixing, 0.03 part of benzoyl peroxide is added after stirring, 105 DEG C are warming up to after passing into nitrogen, reaction 2.5h, reaction terminates rear distillation and obtains described fluid rubber.
Carry out Performance Detection to the ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its tensile strength is 41MPa, and elongation at break is 612%; After the hot air aging of 100 DEG C × 24h, stretching strength retentivity is 92.3%, and elongation at break conservation rate is 95.4%; After IRM902 oil 90 DEG C × 70h process, stretching strength retentivity is 97.2%, and elongation at break conservation rate is 93.6%.
Embodiment 3
The ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its raw material comprises following component by weight: natural rubber 76 parts, epoxy resin 11 parts, epoxy natural rubber 10 parts, fluid rubber 6.7 parts, polyether(poly)urethane 6 parts, modified Nano Microcrystalline Cellulose 26 parts, 18 parts, flyash, talcum powder 8.7 parts, stearic acid 4.3 parts, modified nano zinc oxide 6.3 parts, 1.7 parts, magnesium oxide, 2.7 parts, sulphur, N, N '-penylene bismaleimides 0.5 part, promotor 2.3 parts, 2, 4-dinitrophenylhydrazine 3.8 parts, 5.2 parts, anti-aging agent, cerium stearate 1.7 parts, 10 parts, resol, cobalt boracylate 0.22 part,
Wherein, the properties-correcting agent of described modified Nano Microcrystalline Cellulose is zinc methacrylate; The median size of described modified Nano Microcrystalline Cellulose is 55nm; Described anti-aging agent is that antioxidant H, anti-aging agent WSP are by the combination of 1:3 weight ratio;
Described fluid rubber is prepared according to following technique: by weight the butyl methacrylate of 4 parts, the Isooctyl acrylate monomer of 6 parts, the glycidyl acrylate of 2 parts are added 8 parts of propyl carbinols after mixing, 0.2 part of benzoyl peroxide is added after stirring, 120 DEG C are warming up to after passing into nitrogen, reaction 1.5h, reaction terminates rear distillation and obtains described fluid rubber.
Carry out Performance Detection to the ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its tensile strength is 43.5MPa, and elongation at break is 610%; After the hot air aging of 100 DEG C × 24h, stretching strength retentivity is 91.8%, and elongation at break conservation rate is 96.3%; After IRM902 oil 90 DEG C × 70h process, stretching strength retentivity is 95.4%, and elongation at break conservation rate is 95.2%.
Embodiment 4
The ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its raw material comprises following component by weight: natural rubber 80 parts, epoxy resin 9 parts, epoxy natural rubber 8 parts, fluid rubber 6 parts, polyether(poly)urethane 7.2 parts, modified Nano Microcrystalline Cellulose 20 parts, 22 parts, flyash, talcum powder 8 parts, stearic acid 4.8 parts, modified nano zinc oxide 5.3 parts, 2.0 parts, magnesium oxide, 2.2 parts, sulphur, N, N '-penylene bismaleimides 0.68 part, promotor 1.7 parts, 2, 4-dinitrophenylhydrazine 4.2 parts, 4.3 parts, anti-aging agent, cerium stearate 2.1 parts, 8 parts, resol, cobalt boracylate 0.34 part,
Wherein, the properties-correcting agent of described modified Nano Microcrystalline Cellulose is that γ-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyltriethoxysilane, 3-aminopropyl trimethoxysilane, zinc methacrylate are by the combination of 1:3:2:2 weight ratio; The median size of described modified Nano Microcrystalline Cellulose is 43nm; Described anti-aging agent is that antioxidant MB, antioxidant 4010, antioxidant SP are by the combination of 1:4:3 weight ratio;
Described fluid rubber is prepared according to following technique: by weight by the Isooctyl acrylate monomer of the butyl methacrylate of 2 parts, 2.4X part, 1.6 parts glycidyl acrylate mixing after add 7 parts of propyl carbinols, 0.08 part of benzoyl peroxide is added after stirring, 116 DEG C are warming up to after passing into nitrogen, reaction 1.9h, reaction terminates rear distillation and obtains described fluid rubber.
Carry out Performance Detection to the ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its tensile strength is 39MPa, and elongation at break is 555%; After the hot air aging of 100 DEG C × 24h, stretching strength retentivity is 92.9%, and elongation at break conservation rate is 96.7%; After IRM902 oil 90 DEG C × 70h process, stretching strength retentivity is 98.2%, and elongation at break conservation rate is 95.7%.
Embodiment 5
The ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its raw material comprises following component by weight: natural rubber 83 parts, epoxy resin 10 parts, epoxy natural rubber 7 parts, fluid rubber 5.6 parts, polyether(poly)urethane 6.7 parts, modified Nano Microcrystalline Cellulose 21 parts, 19 parts, flyash, talcum powder 7 parts, stearic acid 4.3 parts, modified nano zinc oxide 5.6 parts, 2.1 parts, magnesium oxide, 2.2 parts, sulphur, N, N '-penylene bismaleimides 0.56 part, promotor 2.1 parts, 2, 4-dinitrophenylhydrazine 4.2 parts, 5.3 parts, anti-aging agent, cerium stearate 1.8 parts, 10 parts, resol, cobalt boracylate 0.33 part,
Wherein, the properties-correcting agent of described modified Nano Microcrystalline Cellulose is that gamma-mercaptopropyltriethoxysilane, stearic acid are by the combination of 1:5 weight ratio; The median size of described modified Nano Microcrystalline Cellulose is 42nm; The properties-correcting agent of described modified nano zinc oxide is dimethyldiethoxysilane; Described anti-aging agent is that antioxidant D, antioxidant MB, antioxidant SP are by the combination of 1:4:2 weight ratio;
Described fluid rubber is prepared according to following technique: by weight the butyl methacrylate of 1 part, the Isooctyl acrylate monomer of 1.35 parts, the glycidyl acrylate of 0.7 part are added 2.5 parts of propyl carbinols after mixing, 0.03 part of benzoyl peroxide is added after stirring, 110 DEG C are warming up to after passing into nitrogen, reaction 2.2h, reaction terminates rear distillation and obtains described fluid rubber.
Carry out Performance Detection to the ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its tensile strength is 44.9MPa, and elongation at break is 616%; After the hot air aging of 100 DEG C × 24h, stretching strength retentivity is 94.9%, and elongation at break conservation rate is 97.3%; After IRM902 oil 90 DEG C × 70h process, stretching strength retentivity is 97.8%, and elongation at break conservation rate is 95.4%.
Embodiment 6
The ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its raw material comprises following component by weight: natural rubber 78 parts, epoxy resin 10 parts, epoxy natural rubber 9 parts, fluid rubber 6.3 parts, polyether(poly)urethane 6.8 parts, modified Nano Microcrystalline Cellulose 23 parts, 19 parts, flyash, talcum powder 8.4 parts, stearic acid 4.5 parts, modified nano zinc oxide 6 parts, 1.8 parts, magnesium oxide, sulphur 2..3 part, N, N '-penylene bismaleimides 0.59 part, promotor 2.1 parts, 2, 4-dinitrophenylhydrazine 4 parts, 4.7 parts, anti-aging agent, cerium stearate 2 parts, 8.6 parts, resol, cobalt boracylate 0.26 part,
Wherein, the combination that the properties-correcting agent of described modified Nano Microcrystalline Cellulose is coupling agent γ-aminopropyl triethoxysilane, γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyltriethoxysilane, 3-aminopropyl trimethoxysilane, two-[γ-(triethoxysilicane) propyl group] tetrasulfide, vinyltriethoxysilane, vinyl three ('beta '-methoxy oxyethyl group) silane, zinc methacrylate, stearic acid press any weight ratio; The median size of described modified Nano Microcrystalline Cellulose is 43nm; The properties-correcting agent of described modified nano zinc oxide is dimethyldiethoxysilane; Described anti-aging agent is that antioxidant D, antioxidant H, anti-aging agent WSP, antioxidant MB, antioxidant 4010, antioxidant SP are by the combination of any weight ratio;
Described fluid rubber is prepared according to following technique: by weight the butyl methacrylate of 1 part, the Isooctyl acrylate monomer of 1.3 parts, the glycidyl acrylate of 0.75 part are added 3 parts of propyl carbinols after mixing, 0.03 part of benzoyl peroxide is added after stirring, 115 DEG C are warming up to after passing into nitrogen, reaction 2h, reaction terminates rear distillation and obtains described fluid rubber.
Carry out Performance Detection to the ageing-resistant natural rubber cable material of the special oil resistant of oil well of the present invention, its tensile strength is 45MPa, and elongation at break is 620%; After the hot air aging of 100 DEG C × 24h, stretching strength retentivity is 95.6%, and elongation at break conservation rate is 97.4%; After IRM902 oil 90 DEG C × 70h process, stretching strength retentivity is 98.3%, and elongation at break conservation rate is 95.8%.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. the ageing-resistant natural rubber cable material of the special oil resistant of oil well, it is characterized in that, its raw material comprises following component by weight: natural rubber 70-85 part, epoxy resin 5-13 part, epoxy natural rubber 5-12 part, fluid rubber 3-8 part, polyether(poly)urethane 3-9 part, modified Nano Microcrystalline Cellulose 15-30 part, flyash 15-25 part, talcum powder 5-10 part, stearic acid 3-5 part, modified nano zinc oxide 4-7 part, magnesium oxide 1-2.3 part, sulphur 1.8-3 part, N, N '-penylene bismaleimides 0.3-0.8 part, promotor 1-3 part, 2, 4-dinitrophenylhydrazine 3-4.5 part, anti-aging agent 3-6 part, cerium stearate 1-2.5 part, resol 5-13 part, cobalt boracylate 0.1-0.4 part.
2. the ageing-resistant natural rubber cable material of the special oil resistant of oil well according to claim 1, it is characterized in that, its raw material comprises following component by weight: natural rubber 76-80 part, epoxy resin 9-11 part, epoxy natural rubber 8-10 part, fluid rubber 6-6.7 part, polyether(poly)urethane 6-7.2 part, modified Nano Microcrystalline Cellulose 20-26 part, flyash 18-22 part, talcum powder 8-8.7 part, stearic acid 4.3-4.8 part, modified nano zinc oxide 5.3-6.3 part, magnesium oxide 1.7-2.0 part, sulphur 2.2-2.7 part, N, N '-penylene bismaleimides 0.5-0.68 part, promotor 1.7-2.3 part, 2, 4-dinitrophenylhydrazine 3.8-4.2 part, anti-aging agent 4.3-5.2 part, cerium stearate 1.7-2.1 part, resol 8-10 part, cobalt boracylate 0.22-0.34 part.
3. the ageing-resistant natural rubber cable material of the special oil resistant of oil well according to claim 1 or 2, it is characterized in that, its raw material comprises following component by weight: natural rubber 78 parts, epoxy resin 10 parts, epoxy natural rubber 9 parts, fluid rubber 6.3 parts, polyether(poly)urethane 6.8 parts, modified Nano Microcrystalline Cellulose 23 parts, 19 parts, flyash, talcum powder 8.4 parts, stearic acid 4.5 parts, modified nano zinc oxide 6 parts, 1.8 parts, magnesium oxide, 2.3 parts, sulphur, N, N '-penylene bismaleimides 0.59 part, promotor 2.1 parts, 2, 4-dinitrophenylhydrazine 4 parts, 4.7 parts, anti-aging agent, cerium stearate 2 parts, 8.6 parts, resol, cobalt boracylate 0.26 part.
4. the ageing-resistant natural rubber cable material of the special oil resistant of oil well according to any one of claim 1-3, it is characterized in that, the properties-correcting agent of described modified Nano Microcrystalline Cellulose is γ-aminopropyl triethoxysilane, γ-(2, 3-epoxy third oxygen) propyl trimethoxy silicane, γ-methacryloxypropyl trimethoxy silane, gamma-mercaptopropyltriethoxysilane, 3-aminopropyl trimethoxysilane, two-[γ-(triethoxysilicane) propyl group] tetrasulfide, vinyltriethoxysilane, vinyl three ('beta '-methoxy oxyethyl group) silane, zinc methacrylate, one or more combination in stearic acid, the median size of described modified Nano Microcrystalline Cellulose is 30-55nm.
5. the ageing-resistant natural rubber cable material of the special oil resistant of oil well according to any one of claim 1-4, is characterized in that, the properties-correcting agent of described modified nano zinc oxide is dimethyldiethoxysilane.
6. the ageing-resistant natural rubber cable material of the special oil resistant of oil well according to any one of claim 1-5, it is characterized in that, described fluid rubber is prepared according to following technique: add (2-4) X part propyl carbinol by after X part butyl methacrylate, (1-1.5) X part Isooctyl acrylate monomer, the mixing of (0.5-0.9) X part glycidyl acrylate by weight, (0.01-0.05) X part benzoyl peroxide is added after stirring, 105-120 DEG C is warming up to after passing into nitrogen, reaction 1.5-2.5h, reaction terminates rear distillation and obtains described fluid rubber.
7. the ageing-resistant natural rubber cable material of the special oil resistant of oil well according to any one of claim 1-6, it is characterized in that, described fluid rubber is prepared according to following technique: by weight by X part butyl methacrylate, (1.2-1.35) X part Isooctyl acrylate monomer, (0.7-0.8) (2.5-3.5) X part propyl carbinol is added after the mixing of X part glycidyl acrylate, (0.03-0.04) X part benzoyl peroxide is added after stirring, 110-116 DEG C is warming up to after passing into nitrogen, reaction 1.9-2.2h, reaction terminates rear distillation and obtains described fluid rubber.
8. the ageing-resistant natural rubber cable material of the special oil resistant of oil well according to any one of claim 1-7, it is characterized in that, described fluid rubber is prepared according to following technique: add 3X part propyl carbinol by after X part butyl methacrylate, 1.3X part Isooctyl acrylate monomer, the mixing of 0.75X part glycidyl acrylate by weight, 0.03X part benzoyl peroxide is added after stirring, 115 DEG C are warming up to after passing into nitrogen, reaction 2h, reaction terminates rear distillation and obtains described fluid rubber.
9. the ageing-resistant natural rubber cable material of the special oil resistant of oil well according to any one of claim 1-8, it is characterized in that, described anti-aging agent is one or more the combination in antioxidant D, antioxidant H, anti-aging agent WSP, antioxidant MB, antioxidant 4010, antioxidant SP.
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| CN113429646A (en) * | 2021-07-20 | 2021-09-24 | 安徽工程大学 | Rubber containing sacrificial bonds and having high tearing strength and high stress at definite elongation, and preparation method and application thereof |
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