CN103589160A - Grafted blended cable insulating material and preparation method thereof - Google Patents
Grafted blended cable insulating material and preparation method thereof Download PDFInfo
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- CN103589160A CN103589160A CN201310482728.8A CN201310482728A CN103589160A CN 103589160 A CN103589160 A CN 103589160A CN 201310482728 A CN201310482728 A CN 201310482728A CN 103589160 A CN103589160 A CN 103589160A
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Abstract
The invention discloses a grafted blended cable insulating material and a preparation method thereof. The grafted blended cable insulating material comprises the following ingredients: silicon rubber, low-density polyethylene, dicumyl peroxide, 1,3,5-Tri-2-propenyl-1,3,5-triazine-2,4,6(1H,3H,5H)-trione, an antioxidant and microcrystalline wax; the low-density polyethylene is maleic anhydride-grafted modified low-density polyethylene, and the grafting rate of the maleic anhydride is 6%. The grafted blended cable insulating material has the properties that the tensile strength is 12MPa, the elongation at break is 450%, the shore A hardness is 65,300% the definite-elongation stress is 8MPa, the volume resistivity is 3.2*10<16> omega.cm, and the dielectric constant is 2.2. The preparation method is simple and convenient, and easy to realize, the compatibility of linear low-density polyethylene and silicon rubber can be improved by virtue of the grafting and modification of maleic anhydride, and according to the prepared grafted blended cable insulating material, not only can the raw material cost be lowered, and the unique property of the silicon rubber can be maintained, but also the grafted blended cable insulating material has good mechanical performance and greater application prospects.
Description
Technical field
The present invention relates to insulating material technical field, particularly relate to a kind of graft-blending cable insulation material and preparation method thereof.
Background technology
Insulating material is comparatively extensive as the application of cable insulation, and its important effect is that Limited Current passes through insulation layer, in order to avoid cause electric leakage dangerous.Rubber is the conventional matrix of cable insulation material, and wherein, silicon rubber is with its excellent dielectricity, resistance to ozone, resistance to atmospheric aging and can at-60～250 ℃, the performance of the broad temperature of life-time service occupy consequence in insulating material field.But due to expensive, limited its range of application.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of graft-blending cable insulation material and preparation method thereof, can meet when guaranteeing insulating material performance, reduces the simple sky high cost that uses silicon rubber.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of graft-blending cable insulation material is provided, and its composition comprises: silicon rubber, Low Density Polyethylene, the different phenylpropyl alcohol of peroxidation two, iso-cyanuric acid triallyl ester, oxidation inhibitor and Microcrystalline Wax; Described Low Density Polyethylene is modified by maleic acid anhydride graft Low Density Polyethylene, and the percentage of grafting of maleic anhydride is 6%.
In a preferred embodiment of the present invention, the weight part of described each component consists of: silicon rubber 50, modified by maleic acid anhydride graft Low Density Polyethylene 50, the different phenylpropyl alcohol 5 of peroxidation two, iso-cyanuric acid triallyl ester 3, oxidation inhibitor 1, Microcrystalline Wax 0.5.
In a preferred embodiment of the present invention, the poly component of described modified by maleic acid anhydride graft comprises: Low Density Polyethylene, maleic anhydride and the different phenylpropyl alcohol of peroxidation two, three's consumption proportion is: 10:1:0.1.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of preparation method of graft-blending cable insulation material is provided, comprises the following steps:
(1) prepare modified by maleic acid anhydride graft Low Density Polyethylene: the maleic anhydride taking by proportion speed and the different phenylpropyl alcohol of peroxidation two are placed in and in mortar, grind 10min, then the mixture after grinding is added in Low Density Polyethylene, in mixing machine, mix, again this mixture is inserted in the torque rheometer that is warming up in advance 200 ℃, through the different phenylpropyl alcohol of peroxidation two, cause and carry out Modification by Melt Grafting, obtain modified by maleic acid anhydride graft Low Density Polyethylene; After Low Density Polyethylene after graft modification is cooling, with dicing machine, be cut into pellet standby;
(2) mixing: the modified by maleic acid anhydride graft Low Density Polyethylene particle of preparation in step (1) to be inserted in the Banbury mixer of 180 ℃, after melting, by formula, adding silicon rubber, oxidation inhibitor and Microcrystalline Wax, is banburying 10min under the condition of 150 turn/min in rotor speed; Compound after banburying is inserted in two roller mills, after mixing bag roller, add successively the different phenylpropyl alcohol of peroxidation two and iso-cyanuric acid triallyl ester, pack after mixing 10min, sheet under thin-pass;
(3) prepare graft-blending cable insulation material: the mixed sheet obtaining in step (2) is placed on vulcanizing press, and compression moulding under the condition of 180 ℃ * 10MPa * 20min, obtains graft-blending cable insulation material.
The invention has the beneficial effects as follows: the preparation method of a kind of graft-blending cable insulation material of the present invention is easy, easily realize, pass through modified by maleic acid anhydride graft, improved the consistency of linear low density polyethylene and silicon rubber, prepared graft-blending electrically insulating material has not only reduced raw materials cost, the special performance that has kept silicon rubber has good mechanical property simultaneously, has larger application prospect.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
The embodiment of the present invention comprises:
The formula of graft-blending cable insulation material is (weight part): silicon rubber 50, modified by maleic acid anhydride graft Low Density Polyethylene 50, the different phenylpropyl alcohol 5 of peroxidation two, iso-cyanuric acid triallyl ester 3, oxidation inhibitor 1, Microcrystalline Wax 0.5.
The poly formula of modified by maleic acid anhydride graft is (weight part): Low Density Polyethylene 100, maleic anhydride 10, the different phenylpropyl alcohol 1 of peroxidation two.
The preparation method of graft-blending cable insulation material of the present invention comprises the following steps:
(1) prepare modified by maleic acid anhydride graft Low Density Polyethylene: 5 maleic anhydrides that take by proportion speed and the different phenylpropyl alcohol of 0.5g peroxidation two are placed in and in mortar, grind 10min, then the mixture after grinding is added in 50g Low Density Polyethylene, in mixing machine, mix, again this mixture is inserted in the torque rheometer that is warming up in advance 200 ℃, through the different phenylpropyl alcohol of peroxidation two, cause and carry out Modification by Melt Grafting, obtain modified by maleic acid anhydride graft Low Density Polyethylene; After Low Density Polyethylene after graft modification is cooling, with dicing machine, be cut into pellet standby;
(2) mixing: the modified by maleic acid anhydride graft Low Density Polyethylene particle of preparation in step (1) to be inserted in the Banbury mixer of 180 ℃, after melting, by formula, adding 50g silicon rubber, 1g oxidation inhibitor and 0.5g Microcrystalline Wax, is banburying 10min under the condition of 150 turn/min in rotor speed; Compound after banburying is inserted in two roller mills, after mixing bag roller, add successively the different phenylpropyl alcohol of peroxidation two and iso-cyanuric acid triallyl ester, pack after mixing 10min, sheet under thin-pass;
(3) prepare graft-blending cable insulation material: the mixed sheet obtaining in step (2) is placed on vulcanizing press, and compression moulding under the condition of 180 ℃ * 10MPa * 20min, obtains graft-blending cable insulation material.
The performance test results of above-mentioned graft-blending cable insulation material is as follows:
Tensile strength 12MPa, elongation at break 450%, Shao A hardness 65,300% stress at definite elongation 8MPa, volume specific resistance 3.2 * 10
16Ω cm, specific inductivity 2.2.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (4)
1. a graft-blending cable insulation material, is characterized in that, its composition comprises: silicon rubber, Low Density Polyethylene, the different phenylpropyl alcohol of peroxidation two, iso-cyanuric acid triallyl ester, oxidation inhibitor and Microcrystalline Wax; Described Low Density Polyethylene is modified by maleic acid anhydride graft Low Density Polyethylene, and the percentage of grafting of maleic anhydride is 6%.
2. graft-blending cable insulation material according to claim 1, it is characterized in that, the weight part of described each component consists of: silicon rubber 50, modified by maleic acid anhydride graft Low Density Polyethylene 50, the different phenylpropyl alcohol 5 of peroxidation two, iso-cyanuric acid triallyl ester 3, oxidation inhibitor 1, Microcrystalline Wax 0.5.
3. graft-blending cable insulation material according to claim 1, it is characterized in that, the poly component of described modified by maleic acid anhydride graft comprises: Low Density Polyethylene, maleic anhydride and the different phenylpropyl alcohol of peroxidation two, three's consumption proportion is: 10:1:0.1.
4. a preparation method for the graft-blending cable insulation material described in one of claims 1 to 3, is characterized in that, comprises the following steps:
(1) prepare modified by maleic acid anhydride graft Low Density Polyethylene: the maleic anhydride taking by proportion speed and the different phenylpropyl alcohol of peroxidation two are placed in and in mortar, grind 10min, then the mixture after grinding is added in Low Density Polyethylene, in mixing machine, mix, again this mixture is inserted in the torque rheometer that is warming up in advance 200 ℃, through the different phenylpropyl alcohol of peroxidation two, cause and carry out Modification by Melt Grafting, obtain modified by maleic acid anhydride graft Low Density Polyethylene; After Low Density Polyethylene after graft modification is cooling, with dicing machine, be cut into pellet standby;
(2) mixing: the modified by maleic acid anhydride graft Low Density Polyethylene particle of preparation in step (1) to be inserted in the Banbury mixer of 180 ℃, after melting, by formula, adding silicon rubber, oxidation inhibitor and Microcrystalline Wax, is banburying 10min under the condition of 150 turn/min in rotor speed; Compound after banburying is inserted in two roller mills, after mixing bag roller, add successively the different phenylpropyl alcohol of peroxidation two and iso-cyanuric acid triallyl ester, pack after mixing 10min, sheet under thin-pass;
(3) prepare graft-blending cable insulation material: the mixed sheet obtaining in step (2) is placed on vulcanizing press, and compression moulding under the condition of 180 ℃ * 10MPa * 20min, obtains graft-blending cable insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310482728.8A CN103589160A (en) | 2013-10-15 | 2013-10-15 | Grafted blended cable insulating material and preparation method thereof |
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| CN201310482728.8A CN103589160A (en) | 2013-10-15 | 2013-10-15 | Grafted blended cable insulating material and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289415A (en) * | 2013-05-06 | 2013-09-11 | 安徽格林生态高分子材料技术有限公司 | Cable sheath material containing modified methyl vinyl silicone rubber and preparation method thereof |
| CN105175877A (en) * | 2015-08-31 | 2015-12-23 | 无锡市嘉邦电力管道厂 | Grafted blending electric cable insulation material and preparation method thereof |
| CN105238062A (en) * | 2015-09-25 | 2016-01-13 | 宿松县焕然机电有限责任公司 | Motor slot wedge high-temperature-resistance insulation material |
| CN106280472A (en) * | 2016-08-24 | 2017-01-04 | 苏州盛达胶粘制品有限公司 | A kind of high pressure resistant insulation sizing material and preparation method thereof |
| CN107163468A (en) * | 2017-06-29 | 2017-09-15 | 合肥达户电线电缆科技有限公司 | A kind of novel cable protection skin and its manufacture craft |
| CN107416831A (en) * | 2017-07-24 | 2017-12-01 | 神雾环保技术股份有限公司 | The method that a kind of long flame coal dust and calcium lime powder prepare calcium carbide raw materials for metallurgy |
| CN107488291A (en) * | 2017-09-08 | 2017-12-19 | 杨凌瑞丰环保科技有限公司 | A kind of preparation method of the recyclable film material of polyvinyl |
| CN113980472A (en) * | 2021-11-22 | 2022-01-28 | 长缆电工科技股份有限公司 | Modified silicon rubber material and preparation method and application thereof |
-
2013
- 2013-10-15 CN CN201310482728.8A patent/CN103589160A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289415A (en) * | 2013-05-06 | 2013-09-11 | 安徽格林生态高分子材料技术有限公司 | Cable sheath material containing modified methyl vinyl silicone rubber and preparation method thereof |
| CN103289415B (en) * | 2013-05-06 | 2015-10-07 | 安徽格林生态高分子材料技术有限公司 | A kind of cable jacket material containing modified methyl vinylsiloxane rubber and preparation method thereof |
| CN105175877A (en) * | 2015-08-31 | 2015-12-23 | 无锡市嘉邦电力管道厂 | Grafted blending electric cable insulation material and preparation method thereof |
| CN105238062A (en) * | 2015-09-25 | 2016-01-13 | 宿松县焕然机电有限责任公司 | Motor slot wedge high-temperature-resistance insulation material |
| CN106280472A (en) * | 2016-08-24 | 2017-01-04 | 苏州盛达胶粘制品有限公司 | A kind of high pressure resistant insulation sizing material and preparation method thereof |
| CN107163468A (en) * | 2017-06-29 | 2017-09-15 | 合肥达户电线电缆科技有限公司 | A kind of novel cable protection skin and its manufacture craft |
| CN107416831A (en) * | 2017-07-24 | 2017-12-01 | 神雾环保技术股份有限公司 | The method that a kind of long flame coal dust and calcium lime powder prepare calcium carbide raw materials for metallurgy |
| CN107488291A (en) * | 2017-09-08 | 2017-12-19 | 杨凌瑞丰环保科技有限公司 | A kind of preparation method of the recyclable film material of polyvinyl |
| CN113980472A (en) * | 2021-11-22 | 2022-01-28 | 长缆电工科技股份有限公司 | Modified silicon rubber material and preparation method and application thereof |
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