CN103992581A - High-strength low temperature resistant cable sheath material - Google Patents
High-strength low temperature resistant cable sheath material Download PDFInfo
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- CN103992581A CN103992581A CN201410177877.8A CN201410177877A CN103992581A CN 103992581 A CN103992581 A CN 103992581A CN 201410177877 A CN201410177877 A CN 201410177877A CN 103992581 A CN103992581 A CN 103992581A
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- density polyethylene
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Abstract
The invention discloses a high-strength low temperature resistant cable sheath material which is prepared as follows: putting polyvinyl chloride, unitary ethylene propylene rubber, rubber and ethylene-propylene-diene monomer rubber into a plasticator for plastication; melting and mixing acrylic acid grafted high density polyethylene and bentonite in a flowing deformation instrument to obtain a second material, sending a first material and the second material into a mixing machine to mix evenly, when the temperature is increased to 80-85 DEG C, sequentially adding an antioxidant, N, N '-ethylene distearic amide, zinc stearate, microencapsulated red phosphorus and white carbon black, when the temperature is increased to 125-132 DEG C, adding gamma-aminopropyltrimethoxysilane, triallyl cyanurate and zinc methacrylate, mixing, then extrusion-molding and cutting to obtain the high-strength low temperature resistant cable sheath material. The high-strength low temperature resistant cable sheath material is excellent in low temperature resistant performance, high in mechanical strength and thermal deformation temperature, and good in thermal stability.
Description
Technical field
The present invention relates to cable sheath technical field, relate in particular to a kind of high-strength low temperature resistant cable sheath material.
Background technology
No matter from mechanicalness, showing tremendous enthusiasm chemical resistance and disaster prevention angle, consider as everyone knows, the sheath of cable all plays vital effect to maintain aspect its normal operation the inner raw material of protection is impaired, in concrete application process, cable sheath must be able to be resisted Exposure to Sunlight, UV radiation, ozone ageing, pharmaceutical chemicals erosion, and can all bear the harsh weather condition such as high temperature, severe cold, under unexpected disaster scenarios it, still can guarantee or temporarily guarantee that it normally moves simultaneously.Polyvinyl chloride is a kind of good material, be widely used in all trades and professions, but polyvinyl chloride is not low temperature resistant, particularly northern winter temperature is low, electric wire by Production of PVC has been proposed to very large challenge, how to prepare a kind of resistance to low temperature excellent, physical strength is high, and the cable sheath material of Heat stability is good becomes the current technical issues that need to address.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of high-strength low temperature resistant cable sheath material, resistance to low temperature is excellent, and physical strength and heat-drawn wire are high, and thermal stability is good.
A kind of high-strength low temperature resistant cable sheath material that the present invention proposes, comprise: by weight by 40-50 part polyvinyl chloride, 23-27 part monobasic ethylene-propylene rubber(EPR), 25-32 part terpolymer EP rubber and put into the plasticator 2-3min that plasticates and obtain the first material, plasticating temperature is 65-73 ℃;
By polyvinyl chloride, be that benchmark carries out melt blending by the wilkinite of the acrylic acid-grafted high density polyethylene(HDPE) of 50-54wt% and 23-26.5wt% and obtains the second material in rheometer, wherein methacrylic acid grafted high density polyethylene adopts following technique preparation: high density polyethylene(HDPE) is sent in rheometer, then dicumyl peroxide be dissolved in vinylformic acid and send into and in rheometer, carry out blend, blending temperature is 162-175 ℃, the blend time is 24-27min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 40-45:2-2.5, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 40-45:1-2, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 18-23 part the first material is sent in mixer and mixed with 18-21 part the second material, mixing temperature is 68-72 ℃, then temperature is increased to 80-85 ℃ and adds successively 0.5-1.2 part oxidation inhibitor, 1.05-1.33 part N, N '-ethylenebisstearamide, 0.5-0.85 part Zinic stearas, 4-4.5 part micro encapsulation red phosphorus and 25-29 part white carbon black, treat that temperature is increased to 125-132 ℃ and adds and take polyvinyl chloride as benchmark 0.15-0.2wt% γ-ammonia third class Trimethoxy silane, 1.5-2.7wt% triallyl cyanurate and 0.5-0.85wt% zinc dimethacrylate, extrusion molding after mixing end, pelletizing obtains high-strength low temperature resistant cable sheath material.
Preferably, described acrylic acid concentration is 75.24-81.53%.
Preferably, oxidation inhibitor can be 2, one or more of tri-grades of butyl-4-methylphenols of 6-, two (tri-grades of butyl-4-hydroxy phenyls of 3,5-) thioether, four (β-(tri-grades of butyl-4-hydroxy phenyls of 3,5-) propionic acid) pentaerythritol ester, pentanoic, Ursol D and dihydroquinoline.
In the present invention, the high-strength low temperature resistant cable sheath material that the proportioning by each component in reasonable control raw material obtains, goods moisture embrittlement temperature is reduced to subzero 56-62 ℃, solved the out of use at low temperatures problem of cable, and its high voltage performance is good, and mechanical property is superior, tensile strength can reach 13.6N/mm2, tearing strength is 9.3N/mm, significantly improved its wear resistance and tear resistance, thermal stability is good, and cost is low, in the situation of identical gel content, can significantly reduce production costs.
Embodiment
A kind of high-strength low temperature resistant cable sheath material that the present invention proposes, comprise: by weight by 40-50 part polyvinyl chloride, 23-27 part monobasic ethylene-propylene rubber(EPR), 25-32 part terpolymer EP rubber and put into the plasticator 2-3min that plasticates and obtain the first material, plasticating temperature is 65-73 ℃;
By polyvinyl chloride, be that benchmark carries out melt blending by the wilkinite of the acrylic acid-grafted high density polyethylene(HDPE) of 50-54wt% and 23-26.5wt% and obtains the second material in rheometer, wherein methacrylic acid grafted high density polyethylene adopts following technique preparation: high density polyethylene(HDPE) is sent in rheometer, then dicumyl peroxide be dissolved in vinylformic acid and send into and in rheometer, carry out blend, blending temperature is 162-175 ℃, the blend time is 24-27min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 40-45:2-2.5, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 40-45:1-2, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 18-23 part the first material is sent in mixer and mixed with 18-21 part the second material, mixing temperature is 68-72 ℃, then temperature is increased to 80-85 ℃ and adds successively 0.5-1.2 part oxidation inhibitor, 1.05-1.33 part N, N '-ethylenebisstearamide, 0.5-0.85 part Zinic stearas, 4-4.5 part micro encapsulation red phosphorus and 25-29 part white carbon black, treat that temperature is increased to 125-132 ℃ and adds and take polyvinyl chloride as benchmark 0.15-0.2wt% γ-ammonia third class Trimethoxy silane, 1.5-2.7wt% triallyl cyanurate and 0.5-0.85wt% zinc dimethacrylate, extrusion molding after mixing end, pelletizing obtains high-strength low temperature resistant cable sheath material.
Embodiment 1
A high-strength low temperature resistant cable sheath material, comprising: by weight by 42 parts of polyvinyl chloride, 26 parts of monobasic ethylene-propylene rubber(EPR), 25 parts of terpolymer EP rubbers and put into the plasticator 3min that plasticates and obtain the first material, plasticating temperature is 65 ℃;
By polyvinyl chloride, be that benchmark carries out melt blending by the wilkinite of the acrylic acid-grafted high density polyethylene(HDPE) of 53.5wt% and 24wt% and obtains the second material in rheometer, wherein methacrylic acid grafted high density polyethylene adopts following technique preparation: high density polyethylene(HDPE) is sent in rheometer, then dicumyl peroxide be dissolved in vinylformic acid and send into and in rheometer, carry out blend, acrylic acid concentration is 76.5%, blending temperature is 173 ℃, the blend time is 25min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 44:2.1, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 45:1, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 23 part of first material sent in mixer and mixed with 18.5 part of second material, mixing temperature is 71 ℃, then temperature is increased to 82 ℃ and adds successively 1.15 parts two (3, tri-grades of butyl-4-hydroxy phenyls of 5-) thioether, 1.05 part N, N '-ethylenebisstearamide, 0.82 part of Zinic stearas, 4.2 parts of micro encapsulation red phosphorus and 28.5 parts of white carbon blacks, treat that temperature is increased to 125 ℃ and adds and take polyvinyl chloride as benchmark 0.18wt% γ-ammonia third class Trimethoxy silane, 1.55wt% triallyl cyanurate and 0.82wt% zinc dimethacrylate, extrusion molding after mixing end, pelletizing obtains high-strength low temperature resistant cable sheath material.
Embodiment 2
A high-strength low temperature resistant cable sheath material, comprising: by weight by 50 parts of polyvinyl chloride, 24 parts of monobasic ethylene-propylene rubber(EPR), 31 parts of terpolymer EP rubbers and put into the plasticator 2min that plasticates and obtain the first material, plasticating temperature is 72 ℃;
By polyvinyl chloride, be that benchmark carries out melt blending by the wilkinite of the acrylic acid-grafted high density polyethylene(HDPE) of 50.5wt% and 26.2wt% and obtains the second material in rheometer, wherein methacrylic acid grafted high density polyethylene adopts following technique preparation: high density polyethylene(HDPE) is sent in rheometer, then dicumyl peroxide be dissolved in vinylformic acid and send into and in rheometer, carry out blend, acrylic acid concentration is 80.24%, blending temperature is 163 ℃, the blend time is 26min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 40.5:2.5, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 41:2, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 18 part of first material sent in mixer and mixed with 20.5 part of second material, mixing temperature is 68 ℃, then temperature is increased to 84 ℃ and adds successively 0.65 part of four (β-(3, tri-grades of butyl-4-hydroxy phenyls of 5-) propionic acid) pentaerythritol ester, 1.32 part N, N '-ethylenebisstearamide, 0.55 part of Zinic stearas, 4.45 parts of micro encapsulation red phosphorus and 26 parts of white carbon blacks, treat that temperature is increased to 131 ℃ and adds and take polyvinyl chloride as benchmark 0.16wt% γ-ammonia third class Trimethoxy silane, 2.65wt% triallyl cyanurate and 0.55wt% zinc dimethacrylate, extrusion molding after mixing end, pelletizing obtains high-strength low temperature resistant cable sheath material.
Embodiment 3
A high-strength low temperature resistant cable sheath material, comprising: by weight by 46 parts of polyvinyl chloride, 26 parts of monobasic ethylene-propylene rubber(EPR), 26 parts of terpolymer EP rubbers and put into the plasticator 2.5min that plasticates and obtain the first material, plasticating temperature is 68 ℃;
By polyvinyl chloride, be that benchmark carries out melt blending by the wilkinite of the acrylic acid-grafted high density polyethylene(HDPE) of 52.4wt% and 25.5wt% and obtains the second material in rheometer, wherein methacrylic acid grafted high density polyethylene adopts following technique preparation: high density polyethylene(HDPE) is sent in rheometer, then dicumyl peroxide be dissolved in vinylformic acid and send into and in rheometer, carry out blend, acrylic acid concentration is 75.5%, blending temperature is 172 ℃, the blend time is 26min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 43:2.3, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 42:1.65, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 21 part of first material sent in mixer and mixed with 19 part of second material, mixing temperature is 70 ℃, then temperature is increased to 82 ℃ and adds successively 1.15 parts of dihydroquinoline, 1.25 part N, N '-ethylenebisstearamide, 0.75 part of Zinic stearas, 4.25 parts of micro encapsulation red phosphorus and 28.5 parts of white carbon blacks, treat that temperature is increased to 130 ℃ and adds and take polyvinyl chloride as benchmark 0.18wt% γ-ammonia third class Trimethoxy silane, 2.25wt% triallyl cyanurate and 0.65wt% zinc dimethacrylate, extrusion molding after mixing end, pelletizing obtains high-strength low temperature resistant cable sheath material.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. a high-strength low temperature resistant cable sheath material, it is characterized in that, comprise: by weight by 40-50 part polyvinyl chloride, 23-27 part monobasic ethylene-propylene rubber(EPR), 25-32 part terpolymer EP rubber and put into the plasticator 2-3min that plasticates and obtain the first material, plasticating temperature is 65-73 ℃;
By polyvinyl chloride, be that benchmark carries out melt blending by the wilkinite of the acrylic acid-grafted high density polyethylene(HDPE) of 50-54wt% and 23-26.5wt% and obtains the second material in rheometer, wherein methacrylic acid grafted high density polyethylene adopts following technique preparation: high density polyethylene(HDPE) is sent in rheometer, then dicumyl peroxide be dissolved in vinylformic acid and send into and in rheometer, carry out blend, blending temperature is 162-175 ℃, the blend time is 24-27min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 40-45:2-2.5, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 40-45:1-2, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 18-23 part the first material is sent in mixer and mixed with 18-21 part the second material, mixing temperature is 68-72 ℃, then temperature is increased to 80-85 ℃ and adds successively 0.5-1.2 part oxidation inhibitor, 1.05-1.33 part N, N '-ethylenebisstearamide, 0.5-0.85 part Zinic stearas, 4-4.5 part micro encapsulation red phosphorus and 25-29 part white carbon black, treat that temperature is increased to 125-132 ℃ and adds and take polyvinyl chloride as benchmark 0.15-0.2wt% γ-ammonia third class Trimethoxy silane, 1.5-2.7wt% triallyl cyanurate and 0.5-0.85wt% zinc dimethacrylate, extrusion molding after mixing end, pelletizing obtains high-strength low temperature resistant cable sheath material.
2. high-strength low temperature resistant cable sheath material according to claim 1, is characterized in that, described acrylic acid concentration is 75.24-81.53%.
3. high-strength low temperature resistant cable sheath material according to claim 1 and 2, it is characterized in that, oxidation inhibitor can be 2, tri-grades of butyl-4-methylphenols of 6-, two (3, tri-grades of butyl-4-hydroxy phenyls of 5-) one or more of thioether, four (β-(tri-grades of butyl-4-hydroxy phenyls of 3,5-) propionic acid) pentaerythritol ester, pentanoic, Ursol D and dihydroquinoline.
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| CN201410177877.8A CN103992581A (en) | 2014-04-29 | 2014-04-29 | High-strength low temperature resistant cable sheath material |
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| CN201410177877.8A CN103992581A (en) | 2014-04-29 | 2014-04-29 | High-strength low temperature resistant cable sheath material |
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Cited By (6)
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| CN104558864A (en) * | 2015-01-15 | 2015-04-29 | 无为县华祥电缆材料有限公司 | Modified ethylene propylene diene monomer insulating cable material |
| CN104927007A (en) * | 2015-06-30 | 2015-09-23 | 祝锦聪 | High temperature resistant PVC hose |
| CN105199264A (en) * | 2015-09-29 | 2015-12-30 | 安徽蓝德集团股份有限公司 | High-stability corrosion-resistant power cable |
| CN108034274A (en) * | 2017-11-28 | 2018-05-15 | 安徽卓越电缆有限公司 | A kind of wear-resisting anti-fracture cable cover(ing) |
| CN112175318A (en) * | 2020-09-29 | 2021-01-05 | 安徽万博电缆材料有限公司 | Formula of environment-friendly hydrophobic and fireproof cable material for cable sheath |
| CN116061502A (en) * | 2023-03-28 | 2023-05-05 | 山东寿光鲁清石化有限公司 | Material for high-density polyethylene silicon core tube |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104558864A (en) * | 2015-01-15 | 2015-04-29 | 无为县华祥电缆材料有限公司 | Modified ethylene propylene diene monomer insulating cable material |
| CN104927007A (en) * | 2015-06-30 | 2015-09-23 | 祝锦聪 | High temperature resistant PVC hose |
| CN105199264A (en) * | 2015-09-29 | 2015-12-30 | 安徽蓝德集团股份有限公司 | High-stability corrosion-resistant power cable |
| CN108034274A (en) * | 2017-11-28 | 2018-05-15 | 安徽卓越电缆有限公司 | A kind of wear-resisting anti-fracture cable cover(ing) |
| CN112175318A (en) * | 2020-09-29 | 2021-01-05 | 安徽万博电缆材料有限公司 | Formula of environment-friendly hydrophobic and fireproof cable material for cable sheath |
| CN116061502A (en) * | 2023-03-28 | 2023-05-05 | 山东寿光鲁清石化有限公司 | Material for high-density polyethylene silicon core tube |
| CN116061502B (en) * | 2023-03-28 | 2023-06-06 | 山东寿光鲁清石化有限公司 | Material for high-density polyethylene silicon core tube |
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