CN103102597A - Anti-cracking cable material for wind power generation and preparation method thereof - Google Patents

Abstract

The invention discloses an anti-cracking cable material for wind power generation and a preparation method thereof. The anti-cracking cable material comprises the following materials in parts by weight: 95-105 parts of ethylene propylene diene monomer, 8-12 parts of dioctyl sebacate, 2-3 parts of magnesium oxide, 1-2 parts of triethylene glycol diisooctoate, 30-35 parts of nanometer dolomite, 1-2 parts of anti-aging agent MB, 1-2 parts of 2- thiol benzimidazole, 5-8 parts of chlorinated paraffin, 1-2 parts of accelerator CZ, 0.8-1 part of accelerator (Tetramethyl Thiuram Disulfide), 15-25 parts of N660 carbon black, 1-3 parts of propylene glycol polyester adipate, 2-4 parts of zinc stearate, 0.8-1 part of vulcanizing agent DCP (Dibasic Calcium Phosphate), 2-3 parts of modified sepiolite, 5-6 parts of antimonous oxide and 4-6 parts of decabromodiphenyl ether. According to the anti-cracking cable material produced by the preparation method disclosed by the invention, the flexibility, the anti-cracking performance and the mechanical performance of the cable material are improved on the condition of not changing the insulating performance and the mechanical performance and the electrical performance of the sheath. The anti-cracking cable material disclosed by the invention is not to crack in a low-temperature impact test of minus 40 DEG C and a bending test, so that the cable can be used in a low-temperature environment or a marine climate environment. Besides, the anti-cracking cable material can be applicable to such environment conditions as large environment temperature difference, salt mist, hot and humid conditions, the mycete condition and the like.

Description

A kind of used for wind power generation cracking resistance CABLE MATERIALS and preparation method thereof

Technical field

The present invention relates generally to a kind of rubber sleeve material and preparation method thereof, relates in particular to a kind of used for wind power generation cracking resistance CABLE MATERIALS and preparation method thereof.

Background technology

Wind energy is widely distributed with it, the amount of accumulateing is huge, can regenerate, the advantage such as pollution not, and obtains pay attention to day by day, and China's Wind Power Generation Industry is keeping the situation of high speed development in recent years.Yet wind energy is widely distributed, and adds that China region is wide, and the wind scale difference is larger, and north-south climate differs greatly, and requires ability-30 ℃ and following extremely low temperature as: northern area; The coastland requires to possess anti-salt fog, anti-damp and hot, mould proof three anti-functions; And in wind generator set design, for avoiding the frequent pay-off of great turbine, turbine is gone off course with the wind, reversed continuously for three weeks, just revolution resets again; And wind energy cable is as connecting fan tower bucket and ground column foot, the vertical use.Above-mentioned specific work environments requires wind energy cable insulation and sheath rubber that fabulous resistance to low temperature is arranged, and namely anti-flexion torsion does not ftracture in-40 ℃ of environment, and cable possesses the well anti-property turned round and water tolerance, and the feature such as coastal use is corrosion-resistant.The used for wind power generation cracking resistance CABLE MATERIALS splitting resistance of traditional mode of production is not strong.Therefore still having is worth improved place.

Summary of the invention

The object of the invention is exactly in order to make up the defective of prior art, a kind of used for wind power generation cracking resistance CABLE MATERIALS to be provided.

The present invention is achieved by the following technical solutions:

A kind of used for wind power generation cracking resistance CABLE MATERIALS is characterized in that:

Terpolymer EP rubber 95-105, SA dioctyl ester 8-12, magnesium oxide 2-3, triglycol two 2-ethylhexoate 1-2, nano-dolomite 30-35, antioxidant MB 1-2,2-thiol group benzimidazolyl 1-2, clorafin 5-8, accelerant CZ 1-2, Vulcanization accelerator TMTD 0.8-1, N660 carbon black 15-25, hexanodioic acid propanediol polyester 1-3, Zinic stearas 2-4, vulcanizing agent DCBP0.8-1, modified meerschaum 2-3, antimonous oxide 5-6, decabromodiphenyl oxide 4-6;

The preparation method of described modified meerschaum is: sepiolite is used 10-15% salt acid soak 3-4 hour, deionized water wash, then soaked 3-4 hour with the 10-12% sodium hydroxide solution, more extremely neutral with deionized water wash, oven dry; Sepiolite after oven dry is put into water, add again the N-tertiary butyl of sepiolite weight 2-3%-2-benzothiazole sulfonamide, the paregal O of 1-2%, the tributyl citrate of 2-3%, 3-5% aluminum oxide, high speed 1200-1500 rev/min of stirring, obtain dispersion liquid, the dispersion liquid ovendry power is broken into ultrafine powder, namely gets described modified meerschaum.

A kind of preparation method of used for wind power generation cracking resistance CABLE MATERIALS comprises the following steps:

(1) adjusting roll spacing is 5-6mm, front roll temperature 30-35 ℃, rear roll temperature 25-30 ℃, then roll extrusion terpolymer EP rubber in mill adds successively nano-dolomite, N660 carbon black, Zinic stearas, antimonous oxide, decabromodiphenyl oxide, modified meerschaum, hexanodioic acid propanediol polyester and SA dioctyl ester and carries out mixing 20-30min;

(2) then adjusting roll spacing is 2-3mm, front roll temperature 35-40 ℃, rear roll temperature 30-35 ℃, add again magnesium oxide, triglycol two 2-ethylhexoates and vulcanizing agent DCBP, clorafin, accelerant CZ, Vulcanization accelerator TMTD, antioxidant MB to carry out mixing, mixing time is 20-30min, descend at last sheet cooling, namely get described low temperature resistant cable.

Advantage of the present invention is:

The CABLE MATERIALS that the present invention produces is under the machinery and electrical property that do not change insulation and sheath, snappiness, anti-cracking performance, the mechanical property of CABLE MATERIALS have been improved, cable of the present invention, do not ftracture in-40 ℃ of low temperature impact tests and pliability test, can satisfy cable and use in low temperature or oceanic climate environment, can be fit to use the envrionment conditionss such as, salt fog large at circumstance of temperature difference, damp and hot, mould.

Embodiment

Embodiment 1

A kind of used for wind power generation cracking resistance CABLE MATERIALS, it is comprised of the following weight parts raw material:

Terpolymer EP rubber 105, SA dioctyl ester 12, magnesium oxide 3, triglycol two 2-ethylhexoates 2, nano-dolomite 35, antioxidant MB 2,2-thiol group benzimidazolyl 2, clorafin 8, accelerant CZ 2, Vulcanization accelerator TMTD 1, N660 carbon black 25, hexanodioic acid propanediol polyester 3, Zinic stearas 4, vulcanizing agent DCBP0.8, modified meerschaum 3, antimonous oxide 6, decabromodiphenyl oxide 6;

The preparation method of described modified meerschaum is: sepiolite is with 15% salt acid soak 4 hours, deionized water wash, then soaked 4 hours with 12% sodium hydroxide solution, then with deionized water wash to neutral, oven dry; Sepiolite after oven dry is put into water, add again the N-tertiary butyl of sepiolite weight 3%-2-benzothiazole sulfonamide, 2% paregal O, 3% tributyl citrate, 5% aluminum oxide, 1500 rev/mins of stirrings at a high speed, obtain dispersion liquid, the dispersion liquid ovendry power is broken into ultrafine powder, namely gets described modified meerschaum.

The preparation method of the CABLE MATERIALS that a kind of used for wind power generation is low temperature resistant comprises the following steps:

(1) adjusting roll spacing is 6mm, 35 ℃ of front roll temperatures, 30 ℃ of rear roll temperatures, then roll extrusion terpolymer EP rubber in mill adds successively nano-dolomite, N660 carbon black, Zinic stearas, antimonous oxide, decabromodiphenyl oxide, modified meerschaum, hexanodioic acid propanediol polyester and SA dioctyl ester and carries out mixing 30min;

(2) then adjusting roll spacing is 3mm, 40 ℃ of front roll temperatures, 35 ℃ of rear roll temperatures, add again magnesium oxide, triglycol two 2-ethylhexoates and vulcanizing agent DCBP, clorafin, accelerant CZ, Vulcanization accelerator TMTD, antioxidant MB to carry out mixing, mixing time is 30min, descend at last sheet cooling, namely get described low temperature resistant cable.

The CABLE MATERIALS that the present invention produces and the performance comparison of traditional cable material:

Test performance	CABLE MATERIALS of the present invention	The traditional cable material
			Tensile strength MPa	13.6	11.5
Elongation %	465	320
			Aging rear tensile strength change % is maximum	2.8	6.2
Aging rear elongation at break velocity of variation % is maximum	1.6	3.6
			Low temperature impact test-40 ℃, 8 hours	Do not ftracture	Cracking
Media-resistant volume change (70 ℃, 24 hours, 89D fat) %	27.3	33.4
			The media-resistant volume change (75 ℃, 24 hours, compressor oil) %	-2.1	-3.4

Claims (2)

1. used for wind power generation cracking resistance CABLE MATERIALS is characterized in that it is comprised of the raw material of following weight parts:

Terpolymer EP rubber 95-105, SA dioctyl ester 8-12, magnesium oxide 2-3, triglycol two 2-ethylhexoate 1-2, nano-dolomite 30-35, antioxidant MB 1-2,2-thiol group benzimidazolyl 1-2, clorafin 5-8, accelerant CZ 1-2, Vulcanization accelerator TMTD 0.8-1, N660 carbon black 15-25, hexanodioic acid propanediol polyester 1-3, Zinic stearas 2-4, vulcanizing agent DCBP0.8-1, modified meerschaum 2-3, antimonous oxide 5-6, decabromodiphenyl oxide 4-6;

The preparation method of described modified meerschaum is: sepiolite is used 10-15% salt acid soak 3-4 hour, deionized water wash, then soaked 3-4 hour with the 10-12% sodium hydroxide solution, more extremely neutral with deionized water wash, oven dry; Sepiolite after oven dry is put into water, add again the N-tertiary butyl of sepiolite weight 2-3%-2-benzothiazole sulfonamide, the paregal O of 1-2%, the tributyl citrate of 2-3%, 3-5% zinc oxide, high speed 1200-1500 rev/min of stirring, obtain dispersion liquid, the dispersion liquid ovendry power is broken into ultrafine powder, namely gets described modified meerschaum.

2. the preparation method of a used for wind power generation cracking resistance CABLE MATERIALS as claimed in claim 1 is characterized in that comprising the following steps:

(1) adjusting roll spacing is 5-6mm, front roll temperature 30-35 ℃, rear roll temperature 25-30 ℃, then roll extrusion terpolymer EP rubber in mill adds successively nano-dolomite, N660 carbon black, Zinic stearas, antimonous oxide, decabromodiphenyl oxide, modified meerschaum, hexanodioic acid propanediol polyester and SA dioctyl ester and carries out mixing 20-30min;

(2) then adjusting roll spacing is 2-3mm, front roll temperature 35-40 ℃, rear roll temperature 30-35 ℃, add again magnesium oxide, triglycol two 2-ethylhexoates and vulcanizing agent DCBP, clorafin, accelerant CZ, Vulcanization accelerator TMTD, antioxidant MB to carry out mixing, mixing time is 20-30min, descend at last sheet cooling, namely get described low temperature resistant cable.