CN103788426B - A kind of anticorrosion oil well electricity consumption cable sheath material - Google Patents
A kind of anticorrosion oil well electricity consumption cable sheath material Download PDFInfo
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- CN103788426B CN103788426B CN201410027610.0A CN201410027610A CN103788426B CN 103788426 B CN103788426 B CN 103788426B CN 201410027610 A CN201410027610 A CN 201410027610A CN 103788426 B CN103788426 B CN 103788426B
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Abstract
The invention discloses a kind of anticorrosion oil well electricity consumption cable sheath material, its raw material comprises by weight: natural rubber 20-25 part, chlorosulfonated polyethylene 13-20 part, chlorinatedpolyethylene 15-20 part, modified polyphenyl oxygen base resin 20-30 part, t-butylperoxyl benzoate 0.8-1.3 part, DCP2-3.5 part, DBP1.5-2 part, plumbous oxide 15-21 part, HVA-21.5-3 part, thermally oxidized black 15-20 part, silica powder 30-40 part, aluminium hydroxide 2-4 part, magnesium hydroxide 1.5-3 part, light magnesium oxide 4-7 part, trolamine 1-4 part, calcinated argil 20-24 part, anti-aging agent ODA0.5-1.5 part, antioxidant 4010NA 1-2.5 part, Vulcanization accelerator TMTD 0.3-1.2 part.In the present invention, above-mentioned anticorrosion oil well electricity consumption cable sheath material antiseptic property is excellent, and toxicity ground, flame retardant properties is good, long service life.
Description
Technical field
The present invention relates to oil well cable sheath material technical field, particularly relate to a kind of anticorrosion oil well electricity consumption cable sheath material.
Background technology
Because oil well cable uses mostly in the severe environment of down-hole, most high temperature under mine, inflammable, corrodibility is strong, the mine cable of China has formed suitable scale through high speed development in a few years, throughput has substantially exceeded the forecast demand numerical value in this year, electric wire enterprise all faces the problem of product technology content in urgent need to be improved simultaneously, how to prepare a kind of mine cable that is anticorrosion, fire-retardant, low toxicity and become the current technical issues that need to address.
Summary of the invention
The present invention proposes a kind of anticorrosion oil well electricity consumption cable sheath material, antiseptic property is excellent, and toxicity is low, and flame retardant properties is good, long service life.
The one anticorrosion oil well electricity consumption cable sheath material that the present invention proposes, its raw material comprises by weight: natural rubber 20-25 part, chlorosulfonated polyethylene 13-20 part, chlorinatedpolyethylene 15-20 part, modified polyphenyl oxygen base resin 20-30 part, t-butylperoxyl benzoate 0.8-1.3 part, DCP 2-3.5 part, DBP 1.5-2 part, plumbous oxide 15-21 part, HVA-21.5-3 part, thermally oxidized black 15-20 part, silica powder 30-40 part, aluminium hydroxide 2-4 part, magnesium hydroxide 1.5-3 part, light magnesium oxide 4-7 part, trolamine 1-4 part, calcinated argil 20-24 part, anti-aging agent ODA 0.5-1.5 part, antioxidant 4010NA 1-2.5 part, Vulcanization accelerator TMTD 0.3-1.2 part.
Preferably, the molecular-weight average of chlorosulfonated polyethylene is 50000-85000, and relative density is 1.13-1.25.
Preferably, the weight ratio of t-butylperoxyl benzoate: DCP and DBP is (2-3)/(5-6)/(4-5).
Preferably, modified polyphenyl oxygen base resin is (3-4)/7 with the weight ratio of (chlorosulfonated polyethylene+chlorinatedpolyethylene).
Preferably, the raw material of above-mentioned anticorrosion oil well electricity consumption cable sheath material comprises by weight: natural rubber 21-23 part, chlorosulfonated polyethylene 15 parts, chlorinatedpolyethylene 20 parts, modified polyphenyl oxygen base resin 15-20 part, t-butylperoxyl benzoate 0.8-1.2 part, DCP 2-2.4 part, DBP 1.6-2 part, plumbous oxide 18-20 part, HVA-21.8-2.4 part, thermally oxidized black 16-18 part, silica powder 31-35 part, aluminium hydroxide 2.5-3 part, magnesium hydroxide 1.5-3 part, light magnesium oxide 4.5-5 part, trolamine 2-3 part, calcinated argil 21-23 part, anti-aging agent ODA 0.8-1.2 part, antioxidant 4010NA 1.5-2 part, Vulcanization accelerator TMTD 0.5-1 part.
Preferably, the raw material of above-mentioned anticorrosion oil well electricity consumption cable sheath material comprises by weight: natural rubber 22 parts, chlorosulfonated polyethylene 15 parts, chlorinatedpolyethylene 20 parts, modified polyphenyl oxygen base resin 18 parts, t-butylperoxyl benzoate 1.2 parts, DCP 2.3 parts, DBP 1.8 parts, 18.5 parts, plumbous oxide, HVA-22.3 part, thermally oxidized black 17 parts, silica powder 34 parts, 2.8 parts, aluminium hydroxide, magnesium hydroxide 1.8 parts, light magnesium oxide 4.6 parts, trolamine 2.8 parts, calcinated argil 21.8 parts, anti-aging agent ODA 0.9 part, antioxidant 4010NA 1.8 parts, Vulcanization accelerator TMTD 0.9 part.
In the present invention, modified polyphenyl oxygen base resin and chlorosulfonated polyethylene and chlorinatedpolyethylene have minimum creep under thermal environment, excellent fireproof performance, and there is low toxicity and low corrosion performance and good electric property, good with natural rubber rebound resilience used in combination, water isolating is excellent, balance cost, above-mentioned base material and Vulcanization accelerator TMTD, vulcanizing agent t-butylperoxyl benzoate, vulcanizing agent DCP, vulcanizing agent BDP, vulcanization aid HVA-2 acting in conjunction, not only softness is good for the sheath material of preparation, shock resistance is strong, filler consistency and heat seal performance good, and cross-linking density is high, tensile strength is higher, by adding metal promoter plumbous oxide, materials water-resistant can be excellent, with aluminium hydroxide and magnesium hydroxide used in combination, the flame retardant properties of sheath material can be significantly improved, select acid filler thermally oxidized black and add a small amount of light magnesium oxide, silica powder, trolamine and calcinated argil, having good outward appearance and flame retardant properties, the physical and mechanical properties of sheath material is excellent, anti-aging agent uses anti-aging agent ODA, antioxidant 4010NA to bend hot oxygen, be full of cracks has good protective effect, both in this sheath material used in combination to ozone, erode, deflect fatigue aging and have remarkable protective benefits, also have good protective effect to oxygen, heat, high-energy radiation and poisonous metal are aging.
Embodiment
The one anticorrosion oil well electricity consumption cable sheath material that the present invention proposes, its raw material comprises by weight:
Natural rubber 20-25 part, chlorosulfonated polyethylene 13-20 part, chlorinatedpolyethylene 15-20 part, modified polyphenyl oxygen base resin 20-30 part, t-butylperoxyl benzoate 0.8-1.3 part, DCP 2-3.5 part, DBP 1.5-2 part, plumbous oxide 15-21 part, HVA-21.5-3 part, thermally oxidized black 15-20 part, silica powder 30-40 part, aluminium hydroxide 2-4 part, magnesium hydroxide 1.5-3 part, light magnesium oxide 4-7 part, trolamine 1-4 part, calcinated argil 20-24 part, anti-aging agent ODA 0.5-1.5 part, antioxidant 4010NA 1-2.5 part, Vulcanization accelerator TMTD 0.3-1.2 part;
Wherein the molecular-weight average of chlorosulfonated polyethylene is 50000-85000, and relative density is 1.13-1.25.
Embodiment 1
A kind of anticorrosion oil well electricity consumption cable sheath material, its raw material comprises by weight:
Natural rubber 24 parts, chlorosulfonated polyethylene 15 parts, chlorinatedpolyethylene 18 parts, modified polyphenyl oxygen base resin 22 parts, t-butylperoxyl benzoate 1.2 parts, DCP 3.1 parts, DBP 1.8 parts, 18 parts, plumbous oxide, HVA-22.4 part, thermally oxidized black 18 parts, silica powder 35 parts, 2.6 parts, aluminium hydroxide, magnesium hydroxide 2.8 parts, light magnesium oxide 6 parts, trolamine 3 parts, calcinated argil 21 parts, anti-aging agent ODA 0.8 part, antioxidant 4010NA 1.5 parts, Vulcanization accelerator TMTD 0.8 part;
Wherein the molecular-weight average of chlorosulfonated polyethylene is 70000, and relative density is 1.21.
Embodiment 2
A kind of anticorrosion oil well electricity consumption cable sheath material, its raw material comprises by weight:
Natural rubber 21 parts, chlorosulfonated polyethylene 19 parts, chlorinatedpolyethylene 20 parts, modified polyphenyl oxygen base resin 25 parts, t-butylperoxyl benzoate 1.1 parts, DCP 3.2 parts, DBP 1.8,19 parts, plumbous oxide, HVA-22.4 part, thermally oxidized black 16 parts, silica powder 35 parts, 3.6 parts, aluminium hydroxide, magnesium hydroxide 2.4 parts, light magnesium oxide 6.5 parts, trolamine 3.5 parts, calcinated argil 21.6 parts, anti-aging agent ODA 1.3 parts, antioxidant 4010NA 1.8 parts, Vulcanization accelerator TMTD 1.2 parts;
Wherein the molecular-weight average of chlorosulfonated polyethylene is 82000, and relative density is 1.18.
Embodiment 3
A kind of anticorrosion oil well electricity consumption cable sheath material, its raw material comprises by weight:
Natural rubber 22 parts, chlorosulfonated polyethylene 15 parts, chlorinatedpolyethylene 20 parts, modified polyphenyl oxygen base resin 18 parts, t-butylperoxyl benzoate 1.2 parts, DCP 2.3 parts, DBP 1.8 parts, 18.5 parts, plumbous oxide, HVA-22.3 part, thermally oxidized black 17 parts, silica powder 34 parts, 2.8 parts, aluminium hydroxide, magnesium hydroxide 1.8 parts, light magnesium oxide 4.6 parts, trolamine 2.8 parts, calcinated argil 21.8 parts, anti-aging agent ODA 0.9 part, antioxidant 4010NA 1.8 parts, Vulcanization accelerator TMTD 0.9 part.
Wherein the molecular-weight average of chlorosulfonated polyethylene is 75000, and relative density is 1.15.
The anticorrosion oil well electricity consumption cable sheath material of above-mentioned preparation is carried out performance test, and test result is as follows:
(1) aging front performance test
| Test event | Standard-required | Test result |
| Tensile strength | ≥9.0 | 13 |
| Elongation at break | ≥125 | 210 |
(2), heat extensibility can test, and temperature is 200 DEG C, time 15min, pressure 0.2MPa;
| Test event | Standard-required | Test result |
| Elongation under load | ≤175 | 55 |
| Tension set after cooling | ≤15 | 6 |
(3), leaching IRM903 after performance test, temperature is 100 ± 2 DEG C, and the time is 7 × 24h;
| Test event | Standard-required | Test result |
| Change rate of strength % | ±30 | -21 |
| Elongation change % | ±30 | -13 |
| Cubical expansivity % | ±30 | +21 |
| Weight increase | ±30 | +15 |
(4), immersion oil base bores performance test after liquid, and temperature is 70 ± 2 DEG C, and the time is 56 × 24h;
| Test event | Standard-required | Test result |
| Change rate of strength % | ±25 | -15 |
| Elongation change % | ±25 | -18 |
| Cubical expansivity % | ±20 | +13 |
| Weight increase | ±15 | +8 |
Note: when elongation and the rear tension set performance of cooling are tested under load, Heating temperature is 200 DEG C, and pressure is 20N/cm2,
Above-mentioned anticorrosion oil well electricity consumption cable sheath material, modified polyphenyl oxygen base resin and chlorosulfonated polyethylene and chlorinatedpolyethylene have minimum creep under thermal environment, excellent fireproof performance, and there is low toxicity and low corrosion performance and good electric property, good with natural rubber rebound resilience used in combination, water isolating is excellent, balance cost, above-mentioned base material and Vulcanization accelerator TMTD, vulcanizing agent t-butylperoxyl benzoate, vulcanizing agent DCP, vulcanizing agent BDP, vulcanization aid HVA-2 acting in conjunction, not only softness is good for the sheath material of preparation, shock resistance is strong, filler consistency and heat seal performance good, and cross-linking density is high, tensile strength is higher, by adding metal promoter plumbous oxide, materials water-resistant can be excellent, with aluminium hydroxide and magnesium hydroxide used in combination, the flame retardant properties of sheath material can be significantly improved, select acid filler thermally oxidized black and add a small amount of light magnesium oxide, silica powder, trolamine and calcinated argil, having good outward appearance and flame retardant properties, the physical and mechanical properties of sheath material is excellent, anti-aging agent uses anti-aging agent ODA, antioxidant 4010NA to bend hot oxygen, be full of cracks has good protective effect, both in this sheath material used in combination to ozone, erode, deflect fatigue aging and have remarkable protective benefits, also have good protective effect to oxygen, heat, high-energy radiation and poisonous metal are aging.
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 (6)
1. an anticorrosion oil well electricity consumption cable sheath material, it is characterized in that, its raw material comprises by weight: natural rubber 20-25 part, chlorosulfonated polyethylene 13-20 part, chlorinatedpolyethylene 15-20 part, modified polyphenyl oxygen base resin 20-30 part, t-butylperoxyl benzoate 0.8-1.3 part, DCP 2-3.5 part, DBP 1.5-2 part, plumbous oxide 15-21 part, HVA-21.5-3 part, thermally oxidized black 15-20 part, silica powder 30-40 part, aluminium hydroxide 2-4 part, magnesium hydroxide 1.5-3 part, light magnesium oxide 4-7 part, trolamine 1-4 part, calcinated argil 20-24 part, anti-aging agent ODA 0.5-1.5 part, antioxidant 4010NA 1-2.5 part, Vulcanization accelerator TMTD 0.3-1.2 part.
2. anticorrosion oil well electricity consumption cable sheath material according to claim 1, it is characterized in that, the molecular-weight average of chlorosulfonated polyethylene is 50000-85000, and relative density is 1.13-1.25.
3. anticorrosion oil well electricity consumption cable sheath material according to claim 1, it is characterized in that, the weight ratio of t-butylperoxyl benzoate, DCP and DBP is (2-3)/(5-6)/(4-5).
4. anticorrosion oil well electricity consumption cable sheath material according to claim 1, is characterized in that, modified polyphenyl oxygen base resin is (3-4)/7 with the weight ratio of (chlorosulfonated polyethylene+chlorinatedpolyethylene).
5. the anticorrosion oil well electricity consumption cable sheath material according to any one of claim 1-4, it is characterized in that, its raw material comprises by weight: natural rubber 21-23 part, chlorosulfonated polyethylene 15 parts, chlorinatedpolyethylene 20 parts, modified polyphenyl oxygen base resin 15-20 part, t-butylperoxyl benzoate 0.8-1.2 part, DCP 2-2.4 part, DBP 1.6-2 part, plumbous oxide 18-20 part, HVA-21.8-2.4 part, thermally oxidized black 16-18 part, silica powder 31-35 part, aluminium hydroxide 2.5-3 part, magnesium hydroxide 1.5-3 part, light magnesium oxide 4.5-5 part, trolamine 2-3 part, calcinated argil 21-23 part, anti-aging agent ODA 0.8-1.2 part, antioxidant 4010NA 1.5-2 part, Vulcanization accelerator TMTD 0.5-1 part.
6. anticorrosion oil well electricity consumption cable sheath material according to claim 5, it is characterized in that, its raw material comprises by weight: natural rubber 22 parts, chlorosulfonated polyethylene 15 parts, chlorinatedpolyethylene 20 parts, modified polyphenyl oxygen base resin 18 parts, t-butylperoxyl benzoate 1.2 parts, DCP 2.3 parts, DBP 1.8 parts, 18.5 parts, plumbous oxide, HVA-22.3 part, thermally oxidized black 17 parts, silica powder 34 parts, 2.8 parts, aluminium hydroxide, magnesium hydroxide 1.8 parts, light magnesium oxide 4.6 parts, trolamine 2.8 parts, calcinated argil 21.8 parts, anti-aging agent ODA 0.9 part, antioxidant 4010NA 1.8 parts, Vulcanization accelerator TMTD 0.9 part.
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