CN105061934A - Novel environmental-protection cable material for high power and preparation method thereof - Google Patents

Abstract

The invention discloses a novel environmental-protection cable material for high power; the cable material is prepared from the following raw materials in parts by weight: 45-65 parts of PVC resin, 8-10 parts of pottery clay, 3-4 parts of ammonium polyphosphate, 2-4 parts of diatomite, 3-5 parts of polyethylene wax, 15-25 parts of carbon black N550, 3-4 parts of an anti-aging agent MB, 2-3 parts of polypropylene, 5-6 parts of amine polyphosphate, 2-4 parts of calcium stearate, 2-3 parts of tert-butyl peroxyacetate, 4-5 parts of thermoplastic polyurethane, 2-4 parts of calcium ferrite, 1-2 parts of 1,4-bis(tert-butyldioxyisopropyl)benzene, and 8-12 parts of a filling agent. The cable material is simple in preparation method, has excellent tension and tensile force, and has relatively strong toughness and aging resistance properties; and the selected raw materials are all the environmental protection materials, so that the cable material has no pollution to the environment.

Description

A kind of high-power environment-friendly novel CABLE MATERIALS and preparation method thereof

Technical field

The present invention relates to a kind of technical field of CABLE MATERIALS, particularly high-power environment-friendly novel CABLE MATERIALS of one and preparation method thereof.

Background technology

Along with the develop rapidly of China's expanding economy and communications industry, the usage quantity of powerful device gets more and more, and this just has higher requirement to the use properties of cable.The tolerance power of cable and the difference of inner wire top temperature and envrionment temperature linear, and the maximum operating temperature of inner wire is limited by cable insulation material, the Long-term service temperature of cable insulation material is exactly the highest permission working temperature of inner wire, but most CABLE MATERIALS does not have outstanding resistance to elevated temperatures in the market, the demand of present powerful device cannot be met.Therefore the present inventor is by the new cable material formula of design and technique, creates the novel cable material being suitable for high-power use.

Summary of the invention

The present invention compensate for the deficiencies in the prior art, provides a kind of high-power environment-friendly novel CABLE MATERIALS and preparation method thereof.

Technical scheme of the present invention is as follows:

CABLE MATERIALS of the present invention is made up of the raw material of following weight part: polyvinyl chloride resin 45-65, potter's clay 8-10, ammonium polyphosphate 3-4, diatomite 2-4, polyethylene wax 3-5, N550 carbon black 15-25, antioxidant MB 3-4, polypropylene 2-3, polyphosphoric acid amine 5-6, calcium stearate 2-4, peroxidation tert-butyl acetate 2-3, thermoplastic polyurethane 4-5, calcium ferrite 2-4, Isosorbide-5-Nitrae-dual-tert-butyl peroxide diisopropyl benzene 1-2, weighting agent 8-12;

Described weighting agent is made up of the raw material of following weight part: 4-butyl ammonium hydrogen sulfate 3-5, triolein 6-10, polyoxyethylene nonylphenol ether 4-6, EVA polymkeric substance 8-12, isoamyl rubber powder 5-8, xanthan gum 2-3, hydroxyethyl methylacrylate 6-8, red phosphorus 2-3, fine silica powder 3-5, Tetramethylammonium hydroxide 8-10, zirconium white 1-3, not Sang Shi 1-2; Its preparation method drops in high-speed mixer by EVA polymkeric substance and isoamyl rubber powder, 400-600 rev/min of mixing 8-12 minute, and gained material is for subsequent use; 3-5 hour is calcined at again Mo Sangshi being placed in 1200-1400 DEG C, powder is ground into after cooling, stir pulping with gained mixture, 4-butyl ammonium hydrogen sulfate, triolein, polyoxyethylene nonylphenol ether, hydroxyethyl methylacrylate, xanthan gum, Tetramethylammonium hydroxide above after mixing again, gained slurries are mixed with red phosphorus, fine silica powder, zirconium white and is placed on granulation 20-40 minute in vulcanization bed.

The concrete steps of the preparation of described CABLE MATERIALS are as follows:

(1) ground after ammonium polyphosphate, polyethylene wax, antioxidant MB, polypropylene, polyphosphoric acid amine, calcium stearate, peroxidation tert-butyl acetate, thermoplastic polyurethane, Isosorbide-5-Nitrae-dual-tert-butyl peroxide diisopropyl benzene mixing by three-roll grinder, for subsequent use;

(2) step 1 gained material is joined in high-speed mixer with polyvinyl chloride resin, potter's clay, diatomite, N550 carbon black, calcium ferrite, weighting agent and leftover materials mix 7-12 minute with 700-800 rev/min;

(3) step 2 gained material is dropped into twin screw extruder and carry out extruding pelletization, the temperature of forcing machine controls as feeding section 135-140 DEG C, melt zone 160-170 DEG C, homogenizing zone 200-220 DEG C, head 170-180 DEG C, die orifice 180-190 DEG C, screw speed is 15-30 rev/min;

(4) by step 3 products obtained therefrom metering packing after screening magnetic separation.

Beneficial effect of the present invention:

Clou of the present invention is that invention one is applicable to powerful CABLE MATERIALS, has the excellent performance such as corrosion-resistant ageing-resistant simultaneously.

CABLE MATERIALS preparation method of the present invention is simple, has excellent tension force and pulling force, has stronger toughness and anti-aging property, and select be environment-friendly materials, environmentally safe.

Adopt multiple high temperature material in weighting agent, and mix the performances such as the wear-resistance and oil-resistance adding finished product by EVA polymkeric substance and isoamyl rubber powder.

Specific embodiments

Below in conjunction with following embodiment, the present invention is described in further detail:

The raw material taking following weight part (kg) is made: polyvinyl chloride resin 55, potter's clay 9, ammonium polyphosphate 3, diatomite 3, polyethylene wax 4, N550 carbon black 20, antioxidant MB 3, polypropylene 2, polyphosphoric acid amine 5, calcium stearate 3, peroxidation tert-butyl acetate 2, thermoplastic polyurethane 4, calcium ferrite 3, Isosorbide-5-Nitrae-dual-tert-butyl peroxide diisopropyl benzene 1, weighting agent 10;

Described weighting agent is made up of the raw material of following weight part (kg): 4-butyl ammonium hydrogen sulfate 4, triolein 8, polyoxyethylene nonylphenol ether 5, EVA polymkeric substance 10, isoamyl rubber powder 7, xanthan gum 2, hydroxyethyl methylacrylate 7, red phosphorus 2, fine silica powder 4, Tetramethylammonium hydroxide 9, zirconium white 2, not Sang Shi 2; Its preparation method drops in high-speed mixer by EVA polymkeric substance and isoamyl rubber powder, and 500 revs/min mix 10 minutes, and gained material is for subsequent use; Calcine 4 hours at again Mo Sangshi being placed in 1300 DEG C, powder is ground into after cooling, stir pulping with gained mixture, 4-butyl ammonium hydrogen sulfate, triolein, polyoxyethylene nonylphenol ether, hydroxyethyl methylacrylate, xanthan gum, Tetramethylammonium hydroxide above after mixing again, gained slurries are mixed with red phosphorus, fine silica powder, zirconium white and to be placed in vulcanization bed granulation 30 minutes.

The concrete steps of the preparation of described CABLE MATERIALS are as follows:

(1) ground after ammonium polyphosphate, polyethylene wax, antioxidant MB, polypropylene, polyphosphoric acid amine, calcium stearate, peroxidation tert-butyl acetate, thermoplastic polyurethane, Isosorbide-5-Nitrae-dual-tert-butyl peroxide diisopropyl benzene mixing by three-roll grinder, for subsequent use;

(2) step 1 gained material is joined in high-speed mixer with polyvinyl chloride resin, potter's clay, diatomite, N550 carbon black, calcium ferrite, weighting agent and leftover materials mix 10 minutes with 750 revs/min;

(3) step 2 gained material is dropped into twin screw extruder and carry out extruding pelletization, the temperature of forcing machine controls as feeding section 135 DEG C, melt zone 165 DEG C, homogenizing zone 210 DEG C, head 175 DEG C, die orifice 185 DEG C, and screw speed is 25 revs/min;

(4) by step 3 products obtained therefrom metering packing after screening magnetic separation.

CABLE MATERIALS tensile strength of the present invention is 16.4MPa after tested, elongation at break is 384%, oxygen index is 33%, 8.3% is less than at 220 DEG C × 168h hot air aging back draft change rate of strength, extension at break velocity of variation is less than 7.6%, soak 168h in 24 DEG C in 20mol/L hydrochloric acid soln after, elongation at break is 335%, and soak 168h in 24 DEG C in 20mol/L sodium hydroxide solution after, elongation at break is 346%.

Claims (2)

1. a high-power environment-friendly novel CABLE MATERIALS, it is characterized in that, be made up of the raw material of following weight part: polyvinyl chloride resin 45-65, potter's clay 8-10, ammonium polyphosphate 3-4, diatomite 2-4, polyethylene wax 3-5, N550 carbon black 15-25, antioxidant MB 3-4, polypropylene 2-3, polyphosphoric acid amine 5-6, calcium stearate 2-4, peroxidation tert-butyl acetate 2-3, thermoplastic polyurethane 4-5, calcium ferrite 2-4, Isosorbide-5-Nitrae-dual-tert-butyl peroxide diisopropyl benzene 1-2, weighting agent 8-12;

Described weighting agent is made up of the raw material of following weight part: 4-butyl ammonium hydrogen sulfate 3-5, triolein 6-10, polyoxyethylene nonylphenol ether 4-6, EVA polymkeric substance 8-12, isoamyl rubber powder 5-8, xanthan gum 2-3, hydroxyethyl methylacrylate 6-8, red phosphorus 2-3, fine silica powder 3-5, Tetramethylammonium hydroxide 8-10, zirconium white 1-3, not Sang Shi 1-2; Its preparation method drops in high-speed mixer by EVA polymkeric substance and isoamyl rubber powder, 400-600 rev/min of mixing 8-12 minute, and gained material is for subsequent use; 3-5 hour is calcined at again Mo Sangshi being placed in 1200-1400 DEG C, powder is ground into after cooling, stir pulping with gained mixture, 4-butyl ammonium hydrogen sulfate, triolein, polyoxyethylene nonylphenol ether, hydroxyethyl methylacrylate, xanthan gum, Tetramethylammonium hydroxide above after mixing again, gained slurries are mixed with red phosphorus, fine silica powder, zirconium white and is placed on granulation 20-40 minute in vulcanization bed.

2. the high-power environment-friendly novel CABLE MATERIALS according to claims 1, it is characterized in that, the concrete steps of preparation method are as follows:

(1) ground after ammonium polyphosphate, polyethylene wax, antioxidant MB, polypropylene, polyphosphoric acid amine, calcium stearate, peroxidation tert-butyl acetate, thermoplastic polyurethane, Isosorbide-5-Nitrae-dual-tert-butyl peroxide diisopropyl benzene mixing by three-roll grinder, for subsequent use;

(2) step 1 gained material is joined in high-speed mixer with polyvinyl chloride resin, potter's clay, diatomite, N550 carbon black, calcium ferrite, weighting agent and leftover materials mix 7-12 minute with 700-800 rev/min;

(3) step 2 gained material is dropped into twin screw extruder and carry out extruding pelletization, the temperature of forcing machine controls as feeding section 135-140 DEG C, melt zone 160-170 DEG C, homogenizing zone 200-220 DEG C, head 170-180 DEG C, die orifice 180-190 DEG C, screw speed is 15-30 rev/min;

(4) by step 3 products obtained therefrom metering packing after screening magnetic separation.