CN102634098A - Overhead silane cross-linked insulated cable material and preparation method thereof - Google Patents
Overhead silane cross-linked insulated cable material and preparation method thereof Download PDFInfo
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- CN102634098A CN102634098A CN2012101168161A CN201210116816A CN102634098A CN 102634098 A CN102634098 A CN 102634098A CN 2012101168161 A CN2012101168161 A CN 2012101168161A CN 201210116816 A CN201210116816 A CN 201210116816A CN 102634098 A CN102634098 A CN 102634098A
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Abstract
The invention discloses an overhead silane cross-linked insulated cable material which is composed of a material A and a material B, wherein the material A is prepared from the following components in parts by weight: 100 parts of polyethylene, 1-5 parts of silane and 0.1-0.5 part of peroxide initiator; the material B is prepared from the following components in parts by weight: 100 parts of polyethylene, 0.1-2 parts of antioxidant, 0.1-5 parts of catalyst, 0.5-5 parts of carbon black, 0.1-3 parts of anti-aging agent, 1-15 parts of light stabilizer and 1-15 parts of thermal stabilizer. The cable material disclosed by the invention has favorable atmospheric aging resistance and thermal aging resistance, and can be used in overhead cables for a long time. Compared with the prior art, the cable material has the advantages that when the material is applied in overhead cables, the service life of the overhead cable can be prolonged, the download flow rate can be increased under the conditions of same sectional area, and the material can be adapted to indoor and outdoor all weather ambient temperatures both in northern and southern China, and can be used in 10KV and below cables.
Description
Technical field
The present invention relates to a kind of insulated cable material that can be applied to the low pressure overhead line.
Background technology
Vilaterm has excellent electric insulation property, lower temperature resistance, easy-formation processibility and enough physical strength etc., is a kind of good insulating material.But because its use temperature is low, to bear short-circuit capacity poor, be not suitable for the fields such as power cable more than the bigger lead of thermal value and the 1KV, its application is very limited.Usually adopt crosslinked method to improve its physical and chemical performance, mainly take radiation crosslinking, peroxide crosslinking and crosslinked with silicane mode to prolong its work-ing life in cable.
The mesolow cable insulating material matrix that adopts now all is a crosslinked polyethylene; The silane crosslinked insulating CABLE MATERIALS is mainly as low-voltage cable; And overhead line is high to the life requirements of CABLE MATERIALS under long-term natural light irradiation; The common cable material can not satisfy the requirement of overhead line with Insulation Material, exists to be prone to defectives such as aging, that work-ing life is short.
CN1124258A proposes a kind of black polyvinyl cable material and production technique thereof, mainly is to go to improve product performance from the production technique angle; CN1962741 proposes a kind of silane cross-linked polyolefin cable material, considers to increase the service life from heat resistance; CN101307163 proposes a kind of silanes cross-linked polyethylene insulated cable material and method of manufacture thereof, and it is crosslinked that product need not carry out warm water soaking, in air, carries out crosslinkedly can satisfying the use properties requirement; It is lower that the organosilane crosslinked polyethylene insulating plastics and the application thereof, particularly grey product of CN101143945A proposition color weatherable can make cable accept environment thermal radiation degree, improves the overhead line current capacity; But above patent is not all considered the required light aging resisting property that possesses of CABLE MATERIALS, heat aging property and contact between the two under the long-term built on stilts out of doors condition.
Summary of the invention
The purpose of this invention is to provide a kind of built on stilts silane crosslinked insulating CABLE MATERIALS and preparation method thereof, to overcome the above-mentioned defective of prior art and product.
Built on stilts silane crosslinked insulating CABLE MATERIALS of the present invention is made up of A material and B material, and the weight ratio of A material and B material is the A material: B material=94～96: 4～6, preferred proportion are the A material: B material=95: 5;
Said A material is made up of the component of following weight part:
100 parts of Vilaterm
1～5 part in silane
0.1～0.5 part of peroxide initiator
Said B material is made up of the component of following weight part:
Said Vilaterm is a base-material, and density is 0.91～0.93g/cm
3, melt flow index is 1～10g/10min;
Said silane is selected from vinyltrimethoxy silane, vinyltriethoxysilane or vinyl three (2-methoxyethoxy) silane;
Described peroxide initiator is selected from Di Cumyl Peroxide 99, Diisopropyl azodicarboxylate, di-t-butyl peroxide, laurylperoxide acyl, 2; 5-dimethyl--2; 5-two (t-butylperoxy)-hexin, 2; 5-dimethyl--2,5-two (t-butyl peroxy)-hexane tertiary butyl hydrogen, Lucidol or 4, two (tert-butyl peroxide) n-butyl pentanoates of 4-.
Described oxidation inhibitor is selected from oxidation inhibitor (3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid oxalyl (diimino-2; 1 ethylidene ester) (697), oxidation inhibitor 2,6 di tert butyl 4 methyl phenol (264), oxidation inhibitor N, [3-(3 for N '-two; The 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine (1024), oxidation inhibitor 2; 2 '-methylene-bis (4-methyl-6-tert butyl phenol) (2246), oxidation inhibitor four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (1010) or oxidation inhibitor 4,4 '-thiobis (3 methy 6 tert butyl phenol) (300).
Described catalyzer is dibutyl tin laurate, di lauric dibutyl zinc or dibutyl tin laurate mixture.
Described carbon black is that pigment is used carbon black, can be selected from high-carbon black pigment, middle colour carbon black or low colour carbon black.
Described anti-aging agent is one or both the compsn in harmful metal ion function inhibitor, anti-ozone ageing agent and the anti-ultraviolet radiation agent, like N-phenyl-N '-cyclohexyl-Ursol D (product of modern technique Industrial Co., Ltd).
The harmful metal ion function inhibitor is selected from xanthate (Qingdao Lu Chang commerce and trade ltd), dithiocarbamate salt derivative (Puyang WeiLin chemical engineering Co., Ltd) or copper ion inhibitor (Tianjin Synthetic Material Industry Research Institute).
Anti-ozone ageing agent is selected from amines antioxidants (the prosperous forever chemical industry in Fuyang Ltd), sulphur class anti-aging agent (Shanghai addition chemical industry ltd) or paraffin class anti-aging agent (Nanyang wax Fine Chemical Works).
The anti-ultraviolet radiation agent is selected from UV light absorber UV-1130, UV light absorber UV-384-2, UV light absorber UV-1164 or UV light absorber UV-400 (Huai Chuzhou District Singapore dollar chemical industry ltd).
Described photostabilizer is more than one in salicylate class, benzophenone class, benzotriazole category, group-substituted acrylonitrile or the triazines, as gathers that { [6-[(1,1,3; The 3-tetramethyl butyl) amino]]-1,3,5-triazines-2,4-two [(2; 2,6,6-tetramethyl-4-piperidyl) imino-]-1, oneself two supports [(2 of 6-; 2,6,6-tetramethyl--4-piperidyl) imino-] (product of Nanjing Holley bright chemical ltd).
Described thermo-stabilizer is selected from Zinic stearas, calcium stearate or calcium-zinc composite stabilizing agent.
The preparation method of built on stilts silane crosslinked insulating CABLE MATERIALS of the present invention comprises the steps:
The order of addition(of ingredients) of A material according to Vilaterm, silane, peroxide initiator is added successively,, carry out drying treatment after the water-cooled, promptly obtain the A material through twin screw extruder blend granulation;
With the component of B material according to Vilaterm, oxidation inhibitor, catalyzer, carbon black, anti-aging agent, photostabilizer order add successively, through twin screw extruder blend granulation, carry out drying treatment after the water-cooled, promptly obtain the B material.
A material and B material are mixed, promptly obtain built on stilts silane crosslinked insulating CABLE MATERIALS.
The CABLE MATERIALS of the present invention's preparation has good ageing-resistant performance, but life-time service mainly contains following reason in overhead line: 1, adopt carbon black as dispersion agent, the product physical and mechanical properties improves, and has certain weathering resistance; 2, adopting anti-aging agent can suppress overhead line in use induces because of conductor and impels that insulation layer is aging to quicken; 3, adopt photostabilizer can get rid of or slow down overhead line issues third contact of a total solar or lunar eclipse redox reaction at sun exposure possibility; Make goods exempt from ultraviolet destruction; 4, adopt thermo-stabilizer to make product have excellent durability ability and electrical property; Processing characteristics is good, and the initial stage color and luster is better, and has excellent thermostability and physicals retentivity.Utilize the synergy between the above additive; Preparation can be maked somebody a mere figurehead the CABLE MATERIALS in the environment by life-time service out of doors; Compared with prior art, be applied in and can make its life-span prolongation in the overhead line, equal sectional area condition downloading flow increases; The South and the North, indoor, outdoor round-the-clock envrionment temperature can be adapted to, 10KV can be used for and following cable is done Insulation Material.
Embodiment
Embodiment 1
The A material: with density is 0.91g/cm
32 parts of 100 parts of Vilaterm, vinyltriethoxysilanes, 0.2 part of Di Cumyl Peroxide 99, through twin screw extruder blend granulation, carry out drying treatment after the water-cooled, promptly obtain A material;
The B material: with density is 0.91g/cm
31 part of 100 parts of Vilaterm, carbon black, anti-aging agent N-phenyl-N '-0.5 part of cyclohexyl-Ursol D, photostabilizer gather { [6-[(1,1,3, the 3-tetramethyl butyl) amino]]-1; 3,5-triazine-2,4-two [(2,2; 6,6 ,-tetramethyl-4-piperidyl) imino-]-1, oneself two supports [(2 of 6-; 2,6,6-tetramethyl--4-piperidyl) imino-] } 2 parts of 3 parts, thermo-stabilizer calcium stearate.Through twin screw extruder blend granulation, carry out drying treatment after the water-cooled, promptly obtain the B material.
Expect according to A: the mixed of B material=94: 6 promptly obtains built on stilts silane crosslinked insulating CABLE MATERIALS.
Adopt JB/T 10260-2001 standard to detect, the result sees table 1.
Embodiment 2
The A material: with density is 0.93g/cm
34 parts of 100 parts of Vilaterm, vinyltriethoxysilanes, 0.4 part of Di Cumyl Peroxide 99, production technique is with embodiment 1;
The B material: with density is 0.93g/cm
34 parts of 100 parts of Vilaterm, carbon blacks, anti-aging agent N-phenyl-N '-2.5 parts of cyclohexyl-Ursol D, photostabilizer gather { [6-[(1,1,3, the 3-tetramethyl butyl) amino]]-1; 3,5-triazine-2,4-two [(2,2; 6,6 ,-tetramethyl-4-piperidyl) imino-]-1, oneself two supports [(2 of 6-; 2,6,6-tetramethyl--4-piperidyl) imino-] } 13 parts of 13 parts, thermo-stabilizer calcium stearate, production technique is with embodiment 1.
Expect according to A: the mixed of B material=96: 4 promptly obtains built on stilts silane crosslinked insulating CABLE MATERIALS.Adopt the JB/T10260-2001 standard to detect, the result sees table 1.
Comparative Examples 1
The A material: with 100 parts of new LDPE (film grade)s, 2 parts of vinyltrimethoxy silanes, 0.2 part of Di Cumyl Peroxide 99, production technique is with embodiment 1;
B material: with 100 parts of new LDPE (film grade)s, 3 parts of carbon blacks, anti-aging agent 2,2,4-trimethylammonium-1,0.5 part of 2-dihyaroquinoline, photostabilizer gather that { [6-[(1,1; 3, the 3-tetramethyl butyl) amino]]-1,3,5-triazines-2,4-two [(2; 2,6,6 ,-tetramethyl-4-piperidyl) imino-]-1, oneself two supports [(2 of 6-; 2,6,6-tetramethyl--4-piperidyl) imino-] } 13 parts, production technique is with embodiment 1.
Expect according to A: the mixed of B material=94: 6 promptly obtains built on stilts silane crosslinked insulating CABLE MATERIALS.Adopt the JB/T10260-2001 standard to detect, the result sees table 1.
Comparative Examples 2
The A material: with 100 parts of new LDPE (film grade)s, 4 parts of vinyltrimethoxy silanes, 0.4 part of Di Cumyl Peroxide 99, production technique is with embodiment 1;
The B material: with 100 parts of new LDPE (film grade)s, 3 parts of carbon blacks, anti-aging agent 2,2,4-trimethylammonium-1,2.5 parts of 2-dihyaroquinolines, 13 parts of thermo-stabilizer calcium stearates, production technique is with embodiment 1.
Expect according to A: the mixed of B material=96: 4 promptly obtains built on stilts silane crosslinked insulating CABLE MATERIALS.Adopt the JB/T10260-2001 standard to detect, the result sees table 1.
Table 1 embodiment and Comparative Examples performance test
Claims (10)
1. built on stilts silane crosslinked insulating CABLE MATERIALS is characterized in that, is made up of A material and B material;
Said A material is made up of the component of following weight part:
100 parts of Vilaterm
1～5 part in silane
0.1～0.5 part of peroxide initiator
Said B material is made up of the component of following weight part:
2. built on stilts silane crosslinked insulating CABLE MATERIALS according to claim 1 is characterized in that said Vilaterm is a base-material, and density is 0.91～0.93g/cm
3, melt flow index is 1～10g/10min.
3. built on stilts silane crosslinked insulating CABLE MATERIALS according to claim 1 is characterized in that, said silane is selected from vinyltrimethoxy silane, vinyltriethoxysilane or vinyl three (2-methoxyethoxy) silane.
4. built on stilts silane crosslinked insulating CABLE MATERIALS according to claim 1; It is characterized in that described peroxide initiator is selected from Di Cumyl Peroxide 99, Diisopropyl azodicarboxylate, di-t-butyl peroxide, laurylperoxide acyl, 2,5-dimethyl--2; 5-two (t-butylperoxy)-hexin, 2; 5-dimethyl--2,5-two (t-butyl peroxy)-hexane tertiary butyl hydrogen, Lucidol or 4, two (tert-butyl peroxide) n-butyl pentanoates of 4-.
5. built on stilts silane crosslinked insulating CABLE MATERIALS according to claim 1 is characterized in that described oxidation inhibitor is selected from oxidation inhibitor (3; The 5-di-tert-butyl-hydroxy phenyl) propionic acid oxalyl (diimino-2; 1 ethylidene ester) (697), oxidation inhibitor 2,6 di tert butyl 4 methyl phenol (264), oxidation inhibitor N, [3-(3 for N '-two; The 5-di-tert-butyl-hydroxy phenyl) propionyl] hydrazine (1024), oxidation inhibitor 2; 2 '-methylene-bis (4-methyl-6-tert butyl phenol) (2246), oxidation inhibitor four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester (1010) or oxidation inhibitor 4,4 '-thiobis (3 methy 6 tert butyl phenol) (300).
6. built on stilts silane crosslinked insulating CABLE MATERIALS according to claim 1 is characterized in that, described catalyzer is dibutyl tin laurate, di lauric dibutyl zinc or dibutyl tin laurate mixture.
7. built on stilts silane crosslinked insulating CABLE MATERIALS according to claim 1 is characterized in that, described anti-aging agent is one or both the compsn in harmful metal ion function inhibitor, anti-ozone ageing agent or the anti-ultraviolet radiation agent;
The harmful metal ion function inhibitor is selected from xanthate, dithiocarbamate salt derivative (Puyang WeiLin chemical engineering Co., Ltd) or copper ion inhibitor;
Anti-ozone ageing agent is selected from amines antioxidants, sulphur class anti-aging agent or paraffin class anti-aging agent;
The anti-ultraviolet radiation agent is selected from UV light absorber UV-1130, UV light absorber UV-384-2, UV light absorber UV-1164 or UV light absorber UV-400.
8. built on stilts silane crosslinked insulating CABLE MATERIALS according to claim 1 is characterized in that, described photostabilizer is more than one in salicylate class, benzophenone class, benzotriazole category, group-substituted acrylonitrile or the triazines.
9. built on stilts silane crosslinked insulating CABLE MATERIALS according to claim 1 is characterized in that described thermo-stabilizer is selected from Zinic stearas, calcium stearate or calcium-zinc composite stabilizing agent.
10. according to each described built on stilts silane crosslinked insulating CABLE MATERIALS of claim 1～9, it is characterized in that the weight ratio of A material and B material is 94～96: 4～6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101168161A CN102634098A (en) | 2012-04-19 | 2012-04-19 | Overhead silane cross-linked insulated cable material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012101168161A CN102634098A (en) | 2012-04-19 | 2012-04-19 | Overhead silane cross-linked insulated cable material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040303A (en) * | 2019-12-27 | 2020-04-21 | 苏州度辰新材料有限公司 | Toughened and aging-resistant polyolefin composition and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178226A (en) * | 1996-09-28 | 1998-04-08 | 扬中市有机化工厂 | Preparation of silane cross-linking polyethylene as electric cable material |
| CN1995120A (en) * | 2006-09-19 | 2007-07-11 | 上海电缆研究所 | Silane natural-crosslinked polyethylene cable insulating material and its production process |
| CN101143945A (en) * | 2007-09-04 | 2008-03-19 | 上海新上化高分子材料有限公司 | Color weatherable silane crosslinked polyethylene plastic and application thereof |
-
2012
- 2012-04-19 CN CN2012101168161A patent/CN102634098A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1178226A (en) * | 1996-09-28 | 1998-04-08 | 扬中市有机化工厂 | Preparation of silane cross-linking polyethylene as electric cable material |
| CN1995120A (en) * | 2006-09-19 | 2007-07-11 | 上海电缆研究所 | Silane natural-crosslinked polyethylene cable insulating material and its production process |
| CN101143945A (en) * | 2007-09-04 | 2008-03-19 | 上海新上化高分子材料有限公司 | Color weatherable silane crosslinked polyethylene plastic and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040303A (en) * | 2019-12-27 | 2020-04-21 | 苏州度辰新材料有限公司 | Toughened and aging-resistant polyolefin composition and preparation method thereof |
| CN111040303B (en) * | 2019-12-27 | 2022-11-22 | 苏州度辰新材料有限公司 | Toughening and aging-resistant polyolefin composition and preparation method thereof |
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Application publication date: 20120815 |