CN103509232B - A kind of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material and preparation method thereof - Google Patents
A kind of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material and preparation method thereof Download PDFInfo
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- CN103509232B CN103509232B CN201310390587.7A CN201310390587A CN103509232B CN 103509232 B CN103509232 B CN 103509232B CN 201310390587 A CN201310390587 A CN 201310390587A CN 103509232 B CN103509232 B CN 103509232B
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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Abstract
The invention discloses a kind of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material and preparation method thereof, be made up of the raw material of following weight part: linear low density polyethylene 55-75, high density polyethylene(HDPE) 20-30, EVA resin 15-20, diisononyl phthalate 10-15, sebacic acid propanediol polyester 8-12, epoxidized linseed oil 5-10, antimonous oxide 10-15, zinc 5-10, nano zeolite powder 5-10, stalk ashes 3-5, compounded mix 4-6, nano-dolomite 8-12, thermally oxidized black 20-30, dibutyl tin laurate 2-3, calcium stearate 1-2, Zinic stearas 1-2, oxidized polyethlene wax 3-5, anti-oxidant DLTP 0.5-1, antioxidant 1010 1-2, CABLE MATERIALS of the present invention has excellent resisting environmental stress and cracking, high temperature resistant, oil resistant, cold-resistant, acid and alkali-resistance, weather-resistant, the performance such as wear-resisting, can normally work in-40 DEG C ~ 95 DEG C Working environments, indeformable, do not ftracture, safe and reliable, durable in use.
Description
Technical field
The present invention relates to a kind of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material and preparation method thereof, belong to cable material technical field.
Background technology
Black polyvinyl cable material, be add carbon black and other auxiliary agents by ldpe resin, through melting mixing, granulation forms.It is as cable sheath material, not only has excellent dielectric properties, also has excellent physical and mechanical properties, is applicable to the sheath material of the cables such as communication, control, signal and electric power, can makes somebody a mere figurehead, buried and underground laying.But existing polyethylene sheath material is in use easily out of shape when being subject to External Force Acting or forming process, and easily ftractures under contact liq solvent and steam condition thereof, limits its range of application.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material and preparation method thereof is provided.
The technical solution used in the present invention is as follows:
A kind of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material, be made up of the raw material of following weight part: linear low density polyethylene 55-75, high density polyethylene(HDPE) 20-30, EVA resin 15-20, diisononyl phthalate 10-15, sebacic acid propanediol polyester 8-12, epoxidized linseed oil 5-10, antimonous oxide 10-15, zinc 5-10, nano zeolite powder 5-10, stalk ashes 3-5, compounded mix 4-6, nano-dolomite 8-12, thermally oxidized black 20-30, dibutyl tin laurate 2-3, calcium stearate 1-2, Zinic stearas 1-2, oxidized polyethlene wax 3-5, anti-oxidant DLTP 0.5-1, antioxidant 1010 1-2,
Described compounded mix preparation method is as follows: a. takes off the raw material of row weight part: attapulgite 5-10, sepiolite 4-8, potassium felspar sand 3-6, Di(dioctylpyrophosphato) ethylene titanate 1-2, titanium dioxide 3-5, nano-sized carbon 4-6, nano aluminium oxide 2-4, paraffin oil 4-8, polyisobutene 3-5, ferrocene 2-3, zinc methacrylate 1-2, to t-Octylphenol formaldehyde resin 5-10; B, by attapulgite, sepiolite, potassium felspar sand mixing after at 530-550 DEG C, calcine 2-4 hour, after being cooled to room temperature, putting into concentration is that 10-15% hydrochloric acid soln boils 20-30 minute, take out washing to neutral, dry, mixed with Di(dioctylpyrophosphato) ethylene titanate, titanium dioxide, nano-sized carbon, nano aluminium oxide, paraffin oil after pulverizing 300-400 mesh sieve, 4000-6000rpm speed lapping 10-15 minute, c, by grinding after compound and all the other raw material stirring evenly.
The preparation method of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material, comprises the following steps:
(1) by linear low density polyethylene, high density polyethylene(HDPE), EVA resin, diisononyl phthalate, sebacic acid propanediol polyester, thermally oxidized black, dibutyl tin laurate, nano zeolite powder puts into high-speed mixer high-speed stirring at 60-70 DEG C, stirring velocity is 1000-1500r/min, when temperature rises to 85-95 DEG C, add epoxidized linseed oil, antimonous oxide, zinc, nano-dolomite, stalk ashes, stir 3-5min, add all the other raw materials again, stir 4-6min, then proceed in low speed mixer and stir cooling, stirring velocity is 50-100r/min, discharging is got final product when being down to 45-55 DEG C,
(2) add in twin screw extruder by the above-mentioned material mixed, under 150-170 DEG C of temperature condition, melt blending is extruded, and is cut into pellet through plastic grain cutting machine.
Beneficial effect of the present invention:
CABLE MATERIALS of the present invention has excellent resisting environmental stress and cracking, high temperature resistant, oil resistant, cold-resistant, acid and alkali-resistance, weather-resistant, the performance such as wear-resisting, can normally work in-40 DEG C of-95 DEG C of Working environments, indeformable, does not ftracture, safe and reliable, durable in use.
Embodiment
A kind of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material, is made up of the raw material of following weight (kg): linear low density polyethylene 60, high density polyethylene(HDPE) 20, EVA resin 20, diisononyl phthalate 15, sebacic acid propanediol polyester 10, epoxidized linseed oil 7, antimonous oxide 15, zinc 8, nano zeolite powder 6, stalk ashes 4, compounded mix 5, nano-dolomite 10, thermally oxidized black 25, dibutyl tin laurate 2, calcium stearate 1, Zinic stearas 2, oxidized polyethlene wax 4, anti-oxidant DLTP 1, antioxidant 1010 2;
Described compounded mix preparation method is as follows: a. takes off the raw material of column weight amount (kg): attapulgite 8, sepiolite 6, potassium felspar sand 6, Di(dioctylpyrophosphato) ethylene titanate 1.5, titanium dioxide 4, nano-sized carbon 5, nano aluminium oxide 3, paraffin oil 6, polyisobutene 4, ferrocene 2, zinc methacrylate 1.5, to t-Octylphenol formaldehyde resin 7; B, by attapulgite, sepiolite, potassium felspar sand mixing after at 535 DEG C calcine 4 hours, after being cooled to room temperature, putting into concentration is that 10% hydrochloric acid soln boils 30 minutes, take out washing to neutral, dry, mixed with Di(dioctylpyrophosphato) ethylene titanate, titanium dioxide, nano-sized carbon, nano aluminium oxide, paraffin oil after pulverizing 400 mesh sieves, 6000rpm speed lapping 10 minutes, c, by grinding after compound and all the other raw material stirring evenly.
The preparation method of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material, comprises the following steps:
(1) by linear low density polyethylene, high density polyethylene(HDPE), EVA resin, diisononyl phthalate, sebacic acid propanediol polyester, thermally oxidized black, dibutyl tin laurate, nano zeolite powder puts into high-speed mixer high-speed stirring at 65 DEG C, stirring velocity is 1500r/min, when temperature rises to 90 DEG C, add epoxidized linseed oil, antimonous oxide, zinc, nano-dolomite, stalk ashes, stir 4min, add all the other raw materials again, stir 5min, then proceed in low speed mixer and stir cooling, stirring velocity is 100r/min, discharging is got final product when being down to 50 DEG C,
(2) add in twin screw extruder by the above-mentioned material mixed, under 150-170 DEG C of temperature condition, melt blending is extruded, and is cut into pellet through plastic grain cutting machine.
The performance test results of obtained CABLE MATERIALS is as follows:
Claims (2)
1. a Black weather-stress-crackpolyethylenet polyethylenet cable sheath material, it is characterized in that, be made up of the raw material of following weight part: linear low density polyethylene 55-75, high density polyethylene(HDPE) 20-30, EVA resin 15-20, diisononyl phthalate 10-15, sebacic acid propanediol polyester 8-12, epoxidized linseed oil 5-10, antimonous oxide 10-15, zinc 5-10, nano zeolite powder 5-10, stalk ashes 3-5, compounded mix 4-6, nano-dolomite 8-12, thermally oxidized black 20-30, dibutyl tin laurate 2-3, calcium stearate 1-2, Zinic stearas 1-2, oxidized polyethlene wax 3-5, anti-oxidant DLTP 0.5-1, antioxidant 1010 1-2,
Described compounded mix preparation method is as follows: a. takes off the raw material of row weight part: attapulgite 5-10, sepiolite 4-8, potassium felspar sand 3-6, Di(dioctylpyrophosphato) ethylene titanate 1-2, titanium dioxide 3-5, nano-sized carbon 4-6, nano aluminium oxide 2-4, paraffin oil 4-8, polyisobutene 3-5, ferrocene 2-3, zinc methacrylate 1-2, to t-Octylphenol formaldehyde resin 5-10; B, by attapulgite, sepiolite, potassium felspar sand mixing after at 530-550 DEG C, calcine 2-4 hour, after being cooled to room temperature, putting into concentration is that 10-15% hydrochloric acid soln boils 20-30 minute, take out washing to neutral, dry, mixed with Di(dioctylpyrophosphato) ethylene titanate, titanium dioxide, nano-sized carbon, nano aluminium oxide, paraffin oil after pulverizing 300-400 mesh sieve, 4000-6000rpm speed lapping 10-15 minute, c, by grinding after compound and all the other raw material stirring evenly.
2. the preparation method of Black weather-stress-crackpolyethylenet polyethylenet cable sheath material according to claim 1, is characterized in that comprising the following steps:
(1) by linear low density polyethylene, high density polyethylene(HDPE), EVA resin, diisononyl phthalate, sebacic acid propanediol polyester, thermally oxidized black, dibutyl tin laurate, nano zeolite powder puts into high-speed mixer high-speed stirring at 60-70 DEG C, stirring velocity is 1000-1500r/min, when temperature rises to 85-95 DEG C, add epoxidized linseed oil, antimonous oxide, zinc, nano-dolomite, stalk ashes, stir 3-5min, add all the other raw materials again, stir 4-6min, then proceed in low speed mixer and stir cooling, stirring velocity is 50-100r/min, discharging is got final product when being down to 45-55 DEG C,
(2) add in twin screw extruder by the above-mentioned material mixed, under 150-170 DEG C of temperature condition, melt blending is extruded, and is cut into pellet through plastic grain cutting machine.
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| CN103937079A (en) * | 2014-03-20 | 2014-07-23 | 安徽春辉仪表线缆集团有限公司 | Tension, compression and shock resistant drawing cable sheath material |
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| CN105949599A (en) * | 2016-06-24 | 2016-09-21 | 合肥得润电子器件有限公司 | High-tensile oil-resistant sheath material for communication wire harnesses and preparation method of high-tensile oil-resistant sheath material |
| CN108148238A (en) * | 2016-12-06 | 2018-06-12 | 管莉 | A kind of communication optical fiber cable sheath tube |
| CN108148239A (en) * | 2016-12-06 | 2018-06-12 | 管莉 | A kind of polyethylene sheath material for communication cable |
| CN109651690A (en) * | 2018-11-15 | 2019-04-19 | 广州敬信高聚物科技有限公司 | A kind of linear low density polyethylene protective cover material and its preparation method and application |
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