CN103992583A - Low-temperature-resistant insulation cable sheath material - Google Patents
Low-temperature-resistant insulation cable sheath material Download PDFInfo
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- CN103992583A CN103992583A CN201410178629.5A CN201410178629A CN103992583A CN 103992583 A CN103992583 A CN 103992583A CN 201410178629 A CN201410178629 A CN 201410178629A CN 103992583 A CN103992583 A CN 103992583A
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- density polyethylene
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Abstract
A disclosed low-temperature-resistant insulation cable sheath material is prepared as follows: putting polyvinyl chloride, ethylene-propylene-diene monomer and ethylene-vinyl acetate copolymer in a plasticizing machine for plasticizing and obtaining a first material; performing fusion mixing on methacrylic acid-grafted high-density polyethylene and bentonite in a rheometer to obtain a second material; sending the first material and the second material to a mixer for uniform mixing, then heating to 80-85 DEG C, successively adding an anti-oxidant, dioctyl sebacate, N,N'-ethylene bis(stearamide), zinc stearate, microencapsulated red phosphorus and modified kaolin, heating to 125-135 DEG C, adding a coupling agent titanate and gamma-aminopropyltrimethoxysilane, continuing to stir and mix until no powder attaches to a hand when a hand touches the powder, and after mixing is finished, performing plastic extrusion and pelletizing to obtain the low-temperature-resistant insulation cable sheath material. The above low-temperature-resistant insulation cable sheath material is excellent in cold resistance, high in mechanical strength and thermal distortion 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 low temperature resistant insulated cable sheath material.
Background technology
No matter consider from mechanicalness, showing tremendous enthusiasm chemical resistance and disaster prevention angle 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 weather condition that high temperature, severe cold etc. are harsh, under unexpected disaster scenarios it, still can ensure or temporarily ensure that it normally moves simultaneously.Polyvinyl chloride is a kind of well material, be widely used in all trades and professions, but polyvinyl chloride is not low temperature resistant, particularly northern winter temperature is low, to proposed very large challenge by the electric wire of Production of PVC, how to prepare a kind of cold tolerance excellence, 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 low temperature resistant insulated cable sheath material, cold tolerance excellence, physical strength and heat-drawn wire are high, and thermal stability is good.
The low temperature resistant insulated cable sheath material of one that the present invention proposes, it is characterized in that, comprise: by weight by rare to 45-55 part polyvinyl chloride, 15-23 part terpolymer EP rubber and 26-28.5 part second-rare multipolymer of acetic acid second and put into the plasticator 1-3min that plasticates and obtain the first material, plasticating temperature is 65-75 DEG C;
Be that benchmark carries out melt blending by the wilkinite of the methacrylic acid grafted high density polyethylene of 37-42.3wt% and 21-25wt% and obtains the second material in rheometer by polyvinyl chloride, 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 135-145 DEG C, the blend time is 26-28min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 50-55:1.5-2.3, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 30-35:0.7-1.5, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 22-27 part the first material is sent in mixer and mixed with 16-23 part the second material, mixing temperature is 65-75 DEG C, then temperature is increased to 80-85 DEG C and adds successively 0.25-0.75 part oxidation inhibitor, 0.75-1.23wt% dioctyl sebacate, 1.25-1.4 part N, N '-ethylenebisstearamide, 0.5-1 part Zinic stearas, 4-6 part micro encapsulation red phosphorus and 22-26 part modified kaolin, until temperature be increased to 125-135 DEG C add taking polyvinyl chloride as benchmark 0.2-0.45wt% coupling agent titanic acid ester and 0.2-0.3wt% γ-ammonia third class Trimethoxy silane continue to be uniformly mixed touch to hand after without the sticky hand of powder, extrusion molding after mixing end, pelletizing obtains low temperature resistant insulated cable sheath material.
Preferably, described acrylic acid concentration is 75.24-81.53%.
Preferably, 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.
In the present invention, the low temperature resistant insulated cable sheath material obtaining by the proportioning of each component in reasonable control raw material, goods moisture embrittlement temperature is reduced to subzero 56-62 DEG C, solve 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
The low temperature resistant insulated cable sheath material of one that the present invention proposes, it is characterized in that, comprise: by weight by rare to 45-55 part polyvinyl chloride, 15-23 part terpolymer EP rubber and 26-28.5 part second-rare multipolymer of acetic acid second and put into the plasticator 1-3min that plasticates and obtain the first material, plasticating temperature is 65-75 DEG C;
Be that benchmark carries out melt blending by the wilkinite of the methacrylic acid grafted high density polyethylene of 37-42.3wt% and 21-25wt% and obtains the second material in rheometer by polyvinyl chloride, 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 135-145 DEG C, the blend time is 26-28min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 50-55:1.5-2.3, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 30-35:0.7-1.5, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 22-27 part the first material is sent in mixer and mixed with 16-23 part the second material, mixing temperature is 65-75 DEG C, then temperature is increased to 80-85 DEG C and adds successively 0.25-0.75 part oxidation inhibitor, 0.75-1.23wt% dioctyl sebacate, 1.25-1.4 part N, N '-ethylenebisstearamide, 0.5-1 part Zinic stearas, 4-6 part micro encapsulation red phosphorus and 22-26 part modified kaolin, until temperature be increased to 125-135 DEG C add taking polyvinyl chloride as benchmark 0.2-0.45wt% coupling agent titanic acid ester and 0.2-0.3wt% γ-ammonia third class Trimethoxy silane continue to be uniformly mixed touch to hand after without the sticky hand of powder, extrusion molding after mixing end, pelletizing obtains low temperature resistant insulated cable sheath material.
Embodiment 1
A kind of low temperature resistant insulated cable sheath material, it is characterized in that, comprise: by weight by rare to 45.5 parts of polyvinyl chloride, 22.3 parts of terpolymer EP rubbers and 26.5 parts of second-rare multipolymer of acetic acid second and put into the plasticator 1-3min that plasticates and obtain the first material, plasticating temperature is 74 DEG C;
Be that benchmark carries out melt blending by the wilkinite of the methacrylic acid grafted high density polyethylene of 38wt% and 24wt% and obtains the second material in rheometer by polyvinyl chloride, 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 81.5%, blending temperature is 136 DEG C, the blend time is 27min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 51:2, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 31:1.3, 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 23 part of second material, mixing temperature is 65 DEG C, then temperature is increased to 84 DEG C and adds successively 0.3 part of pentanoic, 1.2wt% dioctyl sebacate, 1.25 part N, N '-ethylenebisstearamide, 0.85 part of Zinic stearas, 4 parts of micro encapsulation red phosphorus and 25 parts of modified kaolins, until temperature be increased to 125 DEG C add taking polyvinyl chloride as benchmark 0.42wt% coupling agent titanic acid ester and 0.22wt% γ-ammonia third class Trimethoxy silane continue to be uniformly mixed touch to hand after without the sticky hand of powder, extrusion molding after mixing end, pelletizing obtains low temperature resistant insulated cable sheath material.
Embodiment 2
A kind of low temperature resistant insulated cable sheath material, it is characterized in that, comprise: by weight by rare to 55 parts of polyvinyl chloride, 16 parts of terpolymer EP rubbers and 28 parts of second-rare multipolymer of acetic acid second and put into the plasticator 1min that plasticates and obtain the first material, plasticating temperature is 72 DEG C;
Be that benchmark carries out melt blending by the wilkinite of the methacrylic acid grafted high density polyethylene of 38.5wt% and 24wt% and obtains the second material in rheometer by polyvinyl chloride, 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 77.45%, blending temperature is 135 DEG C, the blend time is 28min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 50.5:2.25, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 30:1.3, 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 22 part of second material, mixing temperature is 65 DEG C, then temperature is increased to 83 DEG C and adds successively 0.35 part 2, tri-grades of butyl-4-methylphenols of 6-, 1.2wt% dioctyl sebacate, 1.25 part N, N '-ethylenebisstearamide, 0.85 part of Zinic stearas, 4.05 parts of micro encapsulation red phosphorus and 25.5 parts of modified kaolins, until temperature be increased to 127 DEG C add taking polyvinyl chloride as benchmark 0.42wt% coupling agent titanic acid ester and 0.21wt% γ-ammonia third class Trimethoxy silane continue to be uniformly mixed touch to hand after without the sticky hand of powder, extrusion molding after mixing end, pelletizing obtains low temperature resistant insulated cable sheath material.
Embodiment 3
A kind of low temperature resistant insulated cable sheath material, it is characterized in that, comprise: by weight by rare to 51 parts of polyvinyl chloride, 18 parts of terpolymer EP rubbers and 27.51 parts of second-rare multipolymer of acetic acid second and put into the plasticator 2min that plasticates and obtain the first material, plasticating temperature is 72 DEG C;
Be that benchmark carries out melt blending by the wilkinite of the methacrylic acid grafted high density polyethylene of 38.55wt% and 24wt% and obtains the second material in rheometer by polyvinyl chloride, 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 80.52%, blending temperature is 142 DEG C, the blend time is 27min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 53.2:2.15, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 33:0.95, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 25 part of first material sent in mixer and mixed with 18 part of second material, mixing temperature is 69 DEG C, then temperature is increased to 82 DEG C and adds successively 0.65 part of four (β-(3, tri-grades of butyl-4-hydroxy phenyls of 5-) propionic acid) pentaerythritol ester, 1.15wt% dioctyl sebacate, 1.35 part N, N '-ethylenebisstearamide, 0.75 part of Zinic stearas, 5.2 parts of micro encapsulation red phosphorus and 24.5 parts of modified kaolins, until temperature be increased to 132 DEG C add taking polyvinyl chloride as benchmark 0.35wt% coupling agent titanic acid ester and 0.27wt% γ-ammonia third class Trimethoxy silane continue to be uniformly mixed touch to hand after without the sticky hand of powder, extrusion molding after mixing end, pelletizing obtains low temperature resistant insulated 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; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. a low temperature resistant insulated cable sheath material, it is characterized in that, comprise: by weight by rare to 45-55 part polyvinyl chloride, 15-23 part terpolymer EP rubber and 26-28.5 part second-rare multipolymer of acetic acid second and put into the plasticator 1-3min that plasticates and obtain the first material, plasticating temperature is 65-75 DEG C;
Be that benchmark carries out melt blending by the wilkinite of the methacrylic acid grafted high density polyethylene of 37-42.3wt% and 21-25wt% and obtains the second material in rheometer by polyvinyl chloride, 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 135-145 DEG C, the blend time is 26-28min, wherein the weight ratio of high density polyethylene(HDPE) and dicumyl peroxide is 50-55:1.5-2.3, high density polyethylene(HDPE) and acrylic acid weight mol ratio (g:moL) are 30-35:0.7-1.5, then send in xylene solution and stir, add ethanol to filter, oven dry obtains methacrylic acid grafted high density polyethylene,
By weight 22-27 part the first material is sent in mixer and mixed with 16-23 part the second material, mixing temperature is 65-75 DEG C, then temperature is increased to 80-85 DEG C and adds successively 0.25-0.75 part oxidation inhibitor, 0.75-1.23wt% dioctyl sebacate, 1.25-1.4 part N, N '-ethylenebisstearamide, 0.5-1 part Zinic stearas, 4-6 part micro encapsulation red phosphorus and 22-26 part modified kaolin, until temperature be increased to 125-135 DEG C add taking polyvinyl chloride as benchmark 0.2-0.45wt% coupling agent titanic acid ester and 0.2-0.3wt% γ-ammonia third class Trimethoxy silane continue to be uniformly mixed touch to hand after without the sticky hand of powder, extrusion molding after mixing end, pelletizing obtains low temperature resistant insulated cable sheath material.
2. low temperature resistant insulated cable sheath material according to claim 1, is characterized in that, described acrylic acid concentration is 75.24-81.53%.
3. low temperature resistant insulated 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178629.5A CN103992583A (en) | 2014-04-29 | 2014-04-29 | Low-temperature-resistant insulation cable sheath material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410178629.5A CN103992583A (en) | 2014-04-29 | 2014-04-29 | Low-temperature-resistant insulation cable sheath material |
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| CN103992583A true CN103992583A (en) | 2014-08-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844967A (en) * | 2015-05-15 | 2015-08-19 | 无锡阳工机械制造有限公司 | Manufacturing method of automotive brake hose |
| CN105482273A (en) * | 2015-12-30 | 2016-04-13 | 余姚市云环东方电子有限公司 | Anti-radiation and cold-resistant cable for highland and preparation method thereof |
| 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 |
Citations (1)
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|---|---|---|---|---|
| CN101497727A (en) * | 2009-03-04 | 2009-08-05 | 南亚塑胶工业股份有限公司 | PVC resin composition and product thereof |
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2014
- 2014-04-29 CN CN201410178629.5A patent/CN103992583A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497727A (en) * | 2009-03-04 | 2009-08-05 | 南亚塑胶工业股份有限公司 | PVC resin composition and product thereof |
Non-Patent Citations (1)
| Title |
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| 徐钰珍等: "高密度聚乙烯与丙烯酸的熔融接枝研究", 《中国塑料》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844967A (en) * | 2015-05-15 | 2015-08-19 | 无锡阳工机械制造有限公司 | Manufacturing method of automotive brake hose |
| CN105482273A (en) * | 2015-12-30 | 2016-04-13 | 余姚市云环东方电子有限公司 | Anti-radiation and cold-resistant cable for highland and preparation method thereof |
| 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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Application publication date: 20140820 |