CN105017580A - Solvent-resistant cable material for large power and preparation method thereof - Google Patents

Abstract

The invention discloses a solvent-resistant cable material for large power and a preparation method thereof. The solvent-resistant cable material comprises, by weight, 1-2 parts of an antiager MB, 3-5 parts of epoxidized soybean oil, 4-6 parts of ethylene dimethacrylate, 30-50 parts of nitrile rubber, 2-4 parts of an ethene-propylene-butylene ternary copolymer, 2-4 parts of light calcium carbonate, 3-5 parts of zinc stearate, 2-5 parts of magnesium hydroxide, 3-4 parts of tetra[beta-(3,5-di-tert-butyl-4-hydroxyphenyl)propionic acid]pentaerythritol, 2-4 parts of calcined clay, 3-6 parts of polyethylene wax, 5-8 parts of diisodecyl phthalate, 2-4 parts of sodium pyrosulfite, 15-25 parts of isoprene rubber and a filler. The preparation method has a reasonable design, can be operated simply, and has a high raw material utilization rate. The solvent-resistant cable material has the characteristics of heat resistance, weatherability and solvent resistance and excellent wear resistance and can be widely used in the field of power cables.

Description

A kind of high-power solvent resistant CABLE MATERIALS and preparation method thereof

Technical field

The present invention relates to a kind of technical field of CABLE MATERIALS, particularly high-power solvent resistant 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 solvent resistant 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: antioxidant MB 1-2, epoxy soybean oil 3-5, Ethylene glycol dimethacrylate 4-6, paracril 30-50, ene-propylene-butene terpolymer 2-4, light calcium carbonate 2-4, Zinc Stearate 3-5, magnesium hydroxide 2-5, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester 3-4, calcinated argil 2-4, polyethylene wax 3-6, Di Iso Decyl Phthalate 5-8, Sodium Pyrosulfite 2-4, polyisoprene rubber 15-25, weighting agent;

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) by antioxidant MB, epoxy soybean oil, ene-propylene-butene terpolymer, Zinc Stearate, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester, polyethylene wax, Di Iso Decyl Phthalate, Ethylene glycol dimethacrylate mixing after ground by three-roll grinder, for subsequent use;

(2) step 1 gained material is joined in high-speed mixer with light calcium carbonate, magnesium hydroxide, calcinated argil, Sodium Pyrosulfite, paracril, polyisoprene rubber, weighting agent and leftover materials mix 8-10 minute with 650-850 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 135-145 DEG C, melt zone 165-175 DEG C, homogenizing zone 210-220 DEG C, head 170-180 DEG C, die orifice 185-195 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 reasonable in design, easy and simple to handle, and raw material availability is high, and products obtained therefrom has feature and the excellent frictional behaviours such as heat-resisting, weather-proof, solvent resistant, can be widely used in power cable field.

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: antioxidant MB 2, epoxy soybean oil 4, Ethylene glycol dimethacrylate 5, paracril 40, ene-propylene-butene terpolymer 3, light calcium carbonate 3, Zinc Stearate 4, magnesium hydroxide 3, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester 3, calcinated argil 3, polyethylene wax 5, Di Iso Decyl Phthalate 7, Sodium Pyrosulfite 3, polyisoprene rubber 20, weighting agent;

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) by antioxidant MB, epoxy soybean oil, ene-propylene-butene terpolymer, Zinc Stearate, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester, polyethylene wax, Di Iso Decyl Phthalate, Ethylene glycol dimethacrylate mixing after ground by three-roll grinder, for subsequent use;

(2) step 1 gained material is joined in high-speed mixer with light calcium carbonate, magnesium hydroxide, calcinated argil, Sodium Pyrosulfite, paracril, polyisoprene rubber, weighting agent and leftover materials mix 9 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 140 DEG C, melt zone 170 DEG C, homogenizing zone 215 DEG C, head 175 DEG C, die orifice 190 DEG C, and screw speed is 20 revs/min;

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

CABLE MATERIALS tensile strength of the present invention is 15.6MPa after tested, elongation at break is 379%, oxygen index is 33%, 7.5% 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 6.8%, soak 168h in 24 DEG C in 20mol/L hydrochloric acid soln after, elongation at break is 342%, and soak 168h in 24 DEG C in 20mol/L sodium hydroxide solution after, elongation at break is 354%.

Claims (2)

1. a high-power solvent resistant CABLE MATERIALS, it is characterized in that, be made up of the raw material of following weight part: antioxidant MB 1-2, epoxy soybean oil 3-5, Ethylene glycol dimethacrylate 4-6, paracril 30-50, ene-propylene-butene terpolymer 2-4, light calcium carbonate 2-4, Zinc Stearate 3-5, magnesium hydroxide 2-5, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester 3-4, calcinated argil 2-4, polyethylene wax 3-6, Di Iso Decyl Phthalate 5-8, Sodium Pyrosulfite 2-4, polyisoprene rubber 15-25, weighting agent;

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 solvent resistant CABLE MATERIALS according to claims 1, it is characterized in that, the concrete steps of preparation method are as follows:

(1) by antioxidant MB, epoxy soybean oil, ene-propylene-butene terpolymer, Zinc Stearate, four [β-(3,5-di-t-butyl 4-hydroxy phenyl) propionic acid] pentaerythritol ester, polyethylene wax, Di Iso Decyl Phthalate, Ethylene glycol dimethacrylate mixing after ground by three-roll grinder, for subsequent use;

(2) step 1 gained material is joined in high-speed mixer with light calcium carbonate, magnesium hydroxide, calcinated argil, Sodium Pyrosulfite, paracril, polyisoprene rubber, weighting agent and leftover materials mix 8-10 minute with 650-850 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 135-145 DEG C, melt zone 165-175 DEG C, homogenizing zone 210-220 DEG C, head 170-180 DEG C, die orifice 185-195 DEG C, screw speed is 15-30 rev/min;

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