CN103540054A - Oil-resistant level PVC (Poly Vinyl Chloride) sheath material for power wire and preparation method thereof - Google Patents

Abstract

The invention discloses an oil-resistant level PVC (Poly Vinyl Chloride) sheath material for a power wire and a preparation method thereof. The oil-resistant level PVC sheath material is prepared from the following substances in parts by weight: 65-75 parts of polyvinyl chloride resin, 25-35 parts of nitrile rubber, 20-30 parts of carbon black N660, 10-15 parts of dioctyl maleate, 3-6 parts of light magnesium oxide, 2-4 parts of zinc oxide, 2-3 parts of dibenzothiazyl disulfide, 1-2 parts of tetrasulfide dipentylidene thiuram, 0.4-0.6 parts of 1,4-bistertiary butyl peroxy isopropyl benzene, 1.5-2.5 parts of triallyl isocyanuric acid ester, 0.5-1 part of insoluble sulfur, 4-8 parts of coumarone resin, 1-3 parts of stearic acid, 2-3 parts of palm wax, 1-2 parts of 2-thiol benzothiazole, 0.5-1.5 parts of methyl tin mercaptide, 10-15 parts of nano wollastonite, 5-10 parts of organic bentonite and 3-6 parts of composite filler. The sheath material is excellent in corrosion property of oil-resistant product organic solvents, maintains good flexibility, softness and mechanical strength after being immersed by oleophylic product organic solvents, is non-deformable and non-cracking in long-term use, and is long in service life.

Description

Oil-proof PVC sheath material and preparation method thereof for a kind of supply lead

Technical field

The present invention relates to a kind of supply lead sheath material and preparation method thereof, be specifically related to oil-proof PVC sheath material and preparation method thereof for a kind of supply lead.

Background technology

Supply lead sheath is the indispensable intermediate structure part of supply lead, plays a part protection power source line, guarantees the energising safety of supply lead, makes the media such as copper wire and water, air isolated, avoids occurring leaky.Existing supply lead sheath adopts PVC materials processing to make more, although PVC sheath has good flexibility, its oil-proofness is poor, easily by oil corrosion, causes supply lead be full of cracks, thereby affects the use properties of supply lead.

Summary of the invention

The object of the invention is to for the deficiencies in the prior art, oil-proof PVC sheath material and preparation method thereof for a kind of supply lead is provided, improve the oil resistance of supply lead sheath material, extend the work-ing life of supply lead sheath.

The technical solution used in the present invention is as follows:

A kind of supply lead oil-proof PVC sheath material, material by following weight part is prepared from: polyvinyl chloride (PVC) RESINS (WS-1300) 65-75, paracril (N220SH) 25-35, carbon black N660 20-30, dioctyl maleate 10-15, light magnesium oxide 3-6, zinc oxide 2-4, dibenzothiazyl disulfide 2-3, dipentamethylene thiuram tetrasulfide 1-2, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.4-0.6, iso-cyanuric acid triallyl ester 1.5-2.5, insoluble sulfur 0.5-1, coumarone indene resin 4-8, stearic acid 1-3, palm wax 2-3, 2-benzothiazolyl mercaptan 1-2, thiol methyl tin 0.5-1.5, nano-silicon lime stone 10-15, organobentonite 5-10, compounded mix 3-6,

The preparation method of described compounded mix is as follows: a. takes off the raw material of row weight part: agalmatolite 8-12, diopside 5-10, opoka 4-8, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1-2, calcium lignin sulphonate 2-3, water glass 3-5, electric rock ballast 4-7, Nano diamond 3-6, germanite powder 2-4, sodium stearate 1-2; B, agalmatolite, diopside, opoka are calcined to 4-8h at 540-580 ℃, cooling, pulverize, cross 300-400 mesh sieve, with electric rock ballast, Nano diamond, germanite powder, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, trolamine and water glass, 1000-1500rpm speed lapping 15-20min, dries; Then add appropriate water making beating to make the slurries that concentration is 40-50%, then the hydrochloric acid soln that adds concentration and be 15-20% boils 1-2h, be cooled to after room temperature, with the sodium hydroxide solution that concentration is 15-20%, be adjusted to neutrality, add again the trolamine of 1-2%, the sylvic acid polyoxyethylene ester of the sodium laurylsulfate of the polyacrylic acid of 2-3%, 3-5%, 2-3% and the polyoxyethylene glycol of 3-4%, heating in water bath is to 70-80 ℃, below 2000-3000rpm speed lapping slurry particle diameter to 10 μ m, be then spray dried to powder.

A preparation method for oil-proof PVC sheath material for supply lead, comprises the following steps:

(1) paracril, dioctyl maleate, coumarone indene resin, carbon black N660, compounded mix, palm wax are added in high-speed mixer, at 65-75 ℃, mix 4-8min, discharging, stand-by;

(2) polyvinyl chloride (PVC) RESINS is poured in high-speed mixer, be heated to while stirring 90-100 ℃, add compound that step (1) makes and zinc oxide, stearic acid, nano-silicon lime stone, 1,4-dual-tert-butyl peroxy isopropyl base benzene, iso-cyanuric acid triallyl ester, insoluble sulfur, mixing 3-5min, add all the other raw materials, mixing 1-2min, is cooled to 50 ℃ with bottom discharge again;

(3) compound step (2) being made drops into twin screw extruder and carries out extruding pelletization, the working temperature of twin screw extruder is 150-170 ℃, screw speed is 150-200r/min, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.

Beneficial effect of the present invention:

Sheath material of the present invention has the corrosive property of the excellent organic solvents such as oil resistant product, is subject to still to keep good elasticity, flexibility and physical strength after the organic solvent immersions such as oil product, and life-time service, indeformable, do not chap, long service life.

Embodiment

A kind of supply lead oil-proof PVC sheath material, material by following weight (kg) is prepared from: polyvinyl chloride (PVC) RESINS (WS-1300) 70, paracril (N220SH) 30, carbon black N660 25, dioctyl maleate 10, light magnesium oxide 4, zinc oxide 3, dibenzothiazyl disulfide 2, dipentamethylene thiuram tetrasulfide 1.5, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.5, iso-cyanuric acid triallyl ester 2, insoluble sulfur 0.8, coumarone indene resin 6, stearic acid 2, palm wax 2, 2-benzothiazolyl mercaptan 1.5, thiol methyl tin 1, nano-silicon lime stone 12, organobentonite 8, compounded mix 4,

The preparation method of described compounded mix is as follows: a. takes off the raw material of column weight amount (kg): agalmatolite 10, diopside 8, opoka 6, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1.5, calcium lignin sulphonate 2, water glass 4, electric rock ballast 6, Nano diamond 4, germanite powder 3, sodium stearate 1.5; B, agalmatolite, diopside, opoka are calcined to 6h at 550 ℃, cooling, pulverize, cross 300 mesh sieves, with electric rock ballast, Nano diamond, germanite powder, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, trolamine and water glass, 1500rpm speed lapping 20min, dries; Then adding the making beating of appropriate water to make concentration is 45% slurries, then add concentration and be 18% hydrochloric acid soln and boil 1.5h, be cooled to after room temperature, with the sodium hydroxide solution that concentration is 20%, be adjusted to neutrality, add again 2% trolamine, 3% polyacrylic acid, 4% sodium laurylsulfate, 2% sylvic acid polyoxyethylene ester and 3% polyoxyethylene glycol, heating in water bath, to-80 ℃, below 2500rpm speed lapping slurry particle diameter to 10 μ m, is then spray dried to powder.

A preparation method for oil-proof PVC sheath material for supply lead, comprises the following steps:

(1) paracril, dioctyl maleate, coumarone indene resin, carbon black N660, compounded mix, palm wax are added in high-speed mixer, at 70 ℃, mix 6min, discharging, stand-by;

(2) polyvinyl chloride (PVC) RESINS is poured in high-speed mixer, be heated to while stirring 90-100 ℃, add compound that step (1) makes and zinc oxide, stearic acid, nano-silicon lime stone, 1,4-dual-tert-butyl peroxy isopropyl base benzene, iso-cyanuric acid triallyl ester, insoluble sulfur, mixing 4min, add all the other raw materials, mixing 2min, is cooled to 50 ℃ with bottom discharge again;

(3) compound step (2) being made drops into twin screw extruder and carries out extruding pelletization, the working temperature of twin screw extruder is 150-170 ℃, screw speed is 180r/min, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.

The performance test results of the sheath material making is as follows:

Claims (2)

1. a supply lead oil-proof PVC sheath material, it is characterized in that, material by following weight part is prepared from: polyvinyl chloride (PVC) RESINS (WS-1300) 65-75, paracril (N220SH) 25-35, carbon black N660 20-30, dioctyl maleate 10-15, light magnesium oxide 3-6, zinc oxide 2-4, dibenzothiazyl disulfide 2-3, dipentamethylene thiuram tetrasulfide 1-2, 1, 4-dual-tert-butyl peroxy isopropyl base benzene 0.4-0.6, iso-cyanuric acid triallyl ester 1.5-2.5, insoluble sulfur 0.5-1, coumarone indene resin 4-8, stearic acid 1-3, palm wax 2-3, 2-benzothiazolyl mercaptan 1-2, thiol methyl tin 0.5-1.5, nano-silicon lime stone 10-15, organobentonite 5-10, compounded mix 3-6,

The preparation method of described compounded mix is as follows: a. takes off the raw material of row weight part: agalmatolite 8-12, diopside 5-10, opoka 4-8, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1-2, calcium lignin sulphonate 2-3, water glass 3-5, electric rock ballast 4-7, Nano diamond 3-6, germanite powder 2-4, sodium stearate 1-2; B, agalmatolite, diopside, opoka are calcined to 4-8h at 540-580 ℃, cooling, pulverize, cross 300-400 mesh sieve, with electric rock ballast, Nano diamond, germanite powder, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane, trolamine and water glass, 1000-1500rpm speed lapping 15-20min, dries; Then add appropriate water making beating to make the slurries that concentration is 40-50%, then the hydrochloric acid soln that adds concentration and be 15-20% boils 1-2h, be cooled to after room temperature, with the sodium hydroxide solution that concentration is 15-20%, be adjusted to neutrality, add again the trolamine of 1-2%, the sylvic acid polyoxyethylene ester of the sodium laurylsulfate of the polyacrylic acid of 2-3%, 3-5%, 2-3% and the polyoxyethylene glycol of 3-4%, heating in water bath is to 70-80 ℃, below 2000-3000rpm speed lapping slurry particle diameter to 10 μ m, be then spray dried to powder.

2. the preparation method of oil-proof PVC sheath material for supply lead as claimed in claim 1, is characterized in that comprising the following steps:

(1) paracril, dioctyl maleate, coumarone indene resin, carbon black N660, compounded mix, palm wax are added in high-speed mixer, at 65-75 ℃, mix 4-8min, discharging, stand-by;

(2) polyvinyl chloride (PVC) RESINS is poured in high-speed mixer, be heated to while stirring 90-100 ℃, add compound that step (1) makes and zinc oxide, stearic acid, nano-silicon lime stone, 1,4-dual-tert-butyl peroxy isopropyl base benzene, iso-cyanuric acid triallyl ester, insoluble sulfur, mixing 3-5min, add all the other raw materials, mixing 1-2min, is cooled to 50 ℃ with bottom discharge again;

(3) compound step (2) being made drops into twin screw extruder and carries out extruding pelletization, the working temperature of twin screw extruder is 150-170 ℃, screw speed is 150-200r/min, finally by air-cooled, screening magnetic separation, metering, packing, obtains required sheath material.