CN103351517A - Metallocene linear low-density polyethylene wire and cable materials and preparation method thereof - Google Patents
Metallocene linear low-density polyethylene wire and cable materials and preparation method thereof Download PDFInfo
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- CN103351517A CN103351517A CN2013102433050A CN201310243305A CN103351517A CN 103351517 A CN103351517 A CN 103351517A CN 2013102433050 A CN2013102433050 A CN 2013102433050A CN 201310243305 A CN201310243305 A CN 201310243305A CN 103351517 A CN103351517 A CN 103351517A
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Abstract
The invention provides metallocene linear low-density polyethylene wire and cable materials and a preparation method thereof. The materials are characterized by comprising the following raw materials by weight parts: 35-39 parts of ethane-vinyl acetate copolymer, 23-26 parts of the metallocene linear low-density polyethylene, 12-14 parts of impact-resistant polystyrene, 2-3 parts of HPS, 1-2 parts of ferriferrous oxide, 4-6 parts of chromium diboride, 1-2 parts of PET, 1-2 parts of cyanuric acid zinc, 1-2 parts of zinc oxide, 2-3 parts of a silane coupling agent KH 572, 1-2 parts of an antioxidant MB, 1-2 parts of an anti-scorching agent CTP, 1-2 parts of an accelerator CZ, 36-39 parts of diatomite, 23-26 parts of high abrasion furnace black N330, 14-16 parts of carbon black N 220, 3-5 parts of bis-tetradecene alcohol ester, 4- 6 parts of tributyl citrate and 6-8 parts of modified diatomite. According to the invention, the impact-resistant polystyrene is added into the raw materials to improve strength and stretch-proofing performance of the cables; the wire and cable materials improve high temperature resistant, low temperature resistant, mechanical properties and flame retardation properties of products.
Description
Technical field
The invention belongs to the CABLE MATERIALS technical field, more particularly, relate to a kind of metallocene linear low density polyethylene and preparation method thereof.
Background technology
Wire cable material, mainly be mixed by resin material, stopping composition, softening agent, anti-aging agent, fire retardant, oxidation inhibitor etc., formula material mainly concentrates on some compositions commonly used, cause thus the not high or high in cost of production problem of CABLE MATERIALS technical indicator,, flame retardant resistance on the low side, high temperature resistant, low temperature resistant such as volume specific resistance, insulativity etc. can not satisfy cable producer to the more requirement of high electrical performance of insulation-grade sheath material.
Summary of the invention
The purpose of this invention is to provide a kind of metallocene linear low density polyethylene and preparation method thereof, the present invention
The technical solution adopted in the present invention is:
A kind of metallocene linear low density polyethylene wire cable material is characterized in that being made by the raw material of following weight part: ethene-vinyl acetate copolymer 35-39, metallocene linear low density polyethylene 23-26, impact resistant polystyrene 12-14, HPS2-3, Z 250 1-2, chromium boride 4-6, PET1-2, cyanuric acid zinc 1-2, zinc oxide 1-2, silane coupling agent KH572 2-3, antioxidant MB 1-2, anti-scorching agent CTP 1-2, accelerant CZ 1-2, diatomite 36-39, high abrasion furnace carbon black N330 23-26, carbon black N220 14-16, two ten four carbon alcohols ester 3-5, tributyl citrate 4-6, modification infusorial earth 6-8.
Described modification infusorial earth is made by following methods:
Diatomite is put into 460-480 ℃ of lower calcining 3-4 hour, take out, cooling is put into the 10-12% sodium hydroxide solution and was soaked 2-3 hour, takes out, and cleans the oven dry grinding powder with pure water; Add again and be equivalent to the aluminium nitride of diatomite weight 35-40%, the ferrocene of 3-4%, the Zirconium tetrafluoride of 2-3%, the zinc oxide of 3-4%, the promotor PZ of 5-6%, mixed grinding 30-40 minute, and then spray into the sec.-propyl distearyl acyl-oxygen base Aluminate that is equivalent to diatomite weight 6-8%, 13000-16000 rev/min of lower the stirring 60-70 minute, and get final product.
The preparation method of described metallocene linear low density polyethylene wire cable material, it is characterized in that may further comprise the steps: metallocene linear low density polyethylene, impact resistant polystyrene, HPS, Z 250, chromium boride, PET, cyanuric acid zinc, zinc oxide, silane coupling agent KH572, N220, two ten four carbon alcohols esters are mixed, 110-125 ℃ of lower the mixing 10-15 minute, obtain compound A; With other mixing of materials, 95-110 ℃ of lower the mixing 10-15 minute, obtain compound B; Compound A, B deposited after 18-24 hour mix, 130-145 ℃ of lower the mixing 10-15 minute, send into twin screw extruder at 125-145 ℃ of lower extruding pelletization, and get final product.
Impact resistant polystyrene in the raw material of the present invention has improved intensity and the stretch-proof performance of cable, and the present invention has improved high temperature resistant, low temperature resistant, mechanical property and the flame retardant properties of product.
Embodiment
A kind of metallocene linear low density polyethylene wire cable material is made by the raw material of following weight part (kilogram): ethene-vinyl acetate copolymer 39, metallocene linear low density polyethylene 26, impact resistant polystyrene 12, HPS 3, Z 250 2, chromium boride 6, PET 2, cyanuric acid zinc 2, zinc oxide 2, silane coupling agent KH572 3, antioxidant MB 1, anti-scorching agent CTP 2, accelerant CZ 2, diatomite 39, high abrasion furnace carbon black N330 26, carbon black N220 16, two ten four carbon alcohols esters 5, tributyl citrate 6, modification infusorial earth 8.
Described modification infusorial earth is made by following methods:
Diatomite is put into 460-480 ℃ of lower calcining 3-4 hour, take out, cooling is put into the 10-12% sodium hydroxide solution and was soaked 2-3 hour, takes out, and cleans the oven dry grinding powder with pure water; Add again and be equivalent to the aluminium nitride of diatomite weight 40%, 4% ferrocene, 3% Zirconium tetrafluoride, 4% zinc oxide, 6% promotor PZ, mixed grinding 30-40 minute, and then spray into the sec.-propyl distearyl acyl-oxygen base Aluminate that is equivalent to diatomite weight 8%, 13000-16000 rev/min of lower the stirring 60-70 minute, and get final product.
The preparation of metallocene linear low density polyethylene wire cable material, may further comprise the steps: metallocene linear low density polyethylene, impact resistant polystyrene, HPS, Z 250, chromium boride, PET, cyanuric acid zinc, zinc oxide, silane coupling agent KH572, N220, two ten four carbon alcohols esters are mixed, 110-125 ℃ of lower the mixing 10-15 minute, obtain compound A; With other mixing of materials, 95-110 ℃ of lower the mixing 10-15 minute, obtain compound B; Compound A, B deposited after 18-24 hour mix, 130-145 ℃ of lower the mixing 10-15 minute, send into twin screw extruder at 125-145 ℃ of lower extruding pelletization, and get final product.
CABLE MATERIALS performance of the present invention:
| Project | Unit | CABLE MATERIALS of the present invention |
| Original tensile strength | MPa is not less than | 18.00 |
| The original broken elongation | % is not less than | 740 |
| After anti-158 ℃ * 168h is aging | ? | ? |
| Breaking tenacity | MPa is not less than | 17 |
| Elongation at break | % is not less than | 710 |
| 20 ℃ of volume specific resistances | Ω·m | 1.0×1014 |
| 200 ℃ of heat-stable times | Min | 60 |
Claims (2)
1. a metallocene linear low density polyethylene wire cable material is characterized in that being made by the raw material of following weight part: ethene-vinyl acetate copolymer 35-39, metallocene linear low density polyethylene 23-26, impact resistant polystyrene 12-14, HPS2-3, Z 250 1-2, chromium boride 4-6, PET1-2, cyanuric acid zinc 1-2, zinc oxide 1-2, silane coupling agent KH572 2-3, antioxidant MB 1-2, anti-scorching agent CTP 1-2, accelerant CZ 1-2, diatomite 36-39, high abrasion furnace carbon black N330 23-26, carbon black N220 14-16, two ten four carbon alcohols ester 3-5, tributyl citrate 4-6, modification infusorial earth 6-8;
Described modification infusorial earth is made by following methods:
Diatomite is put into 460-480 ℃ of lower calcining 3-4 hour, take out, cooling is put into the 10-12% sodium hydroxide solution and was soaked 2-3 hour, takes out, and cleans the oven dry grinding powder with pure water; Add again and be equivalent to the aluminium nitride of diatomite weight 35-40%, the ferrocene of 3-4%, the Zirconium tetrafluoride of 2-3%, the zinc oxide of 3-4%, the promotor PZ of 5-6%, mixed grinding 30-40 minute, and then spray into the sec.-propyl distearyl acyl-oxygen base Aluminate that is equivalent to diatomite weight 6-8%, 13000-16000 rev/min of lower the stirring 60-70 minute, and get final product.
2. the preparation method of metallocene linear low density polyethylene wire cable material according to claim 1, it is characterized in that may further comprise the steps: metallocene linear low density polyethylene, impact resistant polystyrene, HPS, Z 250, chromium boride, PET, cyanuric acid zinc, zinc oxide, silane coupling agent KH572, N220, two ten four carbon alcohols esters are mixed, 110-125 ℃ of lower the mixing 10-15 minute, obtain compound A; With other mixing of materials, 95-110 ℃ of lower the mixing 10-15 minute, obtain compound B; Compound A, B deposited after 18-24 hour mix, 130-145 ℃ of lower the mixing 10-15 minute, send into twin screw extruder at 125-145 ℃ of lower extruding pelletization, and get final product.
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| CN2013102433050A CN103351517A (en) | 2013-06-19 | 2013-06-19 | Metallocene linear low-density polyethylene wire and cable materials and preparation method thereof |
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| CN2013102433050A CN103351517A (en) | 2013-06-19 | 2013-06-19 | Metallocene linear low-density polyethylene wire and cable materials and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554620A (en) * | 2013-10-31 | 2014-02-05 | 合肥得润电子器件有限公司 | Dampproof polyethylene insulating material for wire harness of communication equipment |
| CN103724765A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Low-smoke halogen-free flame retardant cable and preparation method thereof |
| CN107129627A (en) * | 2017-06-03 | 2017-09-05 | 合肥市闵葵电力工程有限公司 | One kind is used for photovoltaic communication equipment cable insulation and preparation method thereof |
| CN108892842A (en) * | 2018-06-22 | 2018-11-27 | 镇江宝塑高分子材料有限公司 | A kind of green energy conservation preparation process of high molecular crosslink electric cable material with low smoke and halogen free |
| CN109135001A (en) * | 2018-06-22 | 2019-01-04 | 镇江宝塑高分子材料有限公司 | A kind of 125 DEG C of low-smoke zero-halogen cable materials of macromolecule |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103044758A (en) * | 2012-12-21 | 2013-04-17 | 上海至正道化高分子材料有限公司 | Thermoplastic water-resistant low-smoke halogen-free flame retardant cable material and manufacturing method thereof |
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- 2013-06-19 CN CN2013102433050A patent/CN103351517A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103044758A (en) * | 2012-12-21 | 2013-04-17 | 上海至正道化高分子材料有限公司 | Thermoplastic water-resistant low-smoke halogen-free flame retardant cable material and manufacturing method thereof |
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| 化学工业出版社组织编写: "《中国化工产品大全 上卷》", 31 January 2005 * |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103554620A (en) * | 2013-10-31 | 2014-02-05 | 合肥得润电子器件有限公司 | Dampproof polyethylene insulating material for wire harness of communication equipment |
| CN103724765A (en) * | 2013-12-10 | 2014-04-16 | 芜湖佳诚电子科技有限公司 | Low-smoke halogen-free flame retardant cable and preparation method thereof |
| CN107129627A (en) * | 2017-06-03 | 2017-09-05 | 合肥市闵葵电力工程有限公司 | One kind is used for photovoltaic communication equipment cable insulation and preparation method thereof |
| CN108892842A (en) * | 2018-06-22 | 2018-11-27 | 镇江宝塑高分子材料有限公司 | A kind of green energy conservation preparation process of high molecular crosslink electric cable material with low smoke and halogen free |
| CN109135001A (en) * | 2018-06-22 | 2019-01-04 | 镇江宝塑高分子材料有限公司 | A kind of 125 DEG C of low-smoke zero-halogen cable materials of macromolecule |
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