CN105623275A - Tear-resistant and heat-resistant silicone rubber cable - Google Patents
Tear-resistant and heat-resistant silicone rubber cable Download PDFInfo
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- CN105623275A CN105623275A CN201610153176.XA CN201610153176A CN105623275A CN 105623275 A CN105623275 A CN 105623275A CN 201610153176 A CN201610153176 A CN 201610153176A CN 105623275 A CN105623275 A CN 105623275A
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- H—ELECTRICITY
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
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Abstract
The invention discloses a tear-resistant and heat-resistant silicone rubber cable. The silicon rubber cable comprises a jacket layer. The jacket layer is prepared from silicone rubber, ethylene propylene diene monomer, composite filler, hydroxyl silicone oil, paraffin oil, epoxidized soybean oil, fire retardant, dicumyl peroxide, bi25, accelerant M, accelerant BZ, dibutyl tin oxide, dibutyltin dilaurate, antioxygen 1010, antioxygen 168 and silicone powder. The composite filler is prepared from vinyl triethoxysilane, nanosilicon dioxide, nanometer titania and modified expanded vermiculite. The tear-resistant and heat-resistant silicone rubber cable is good in heat resistance, high in tear resistance and good in mechanical performance.
Description
Technical field
The present invention relates to field of cable technology, particularly relate to a kind of anti tear heat-resistant silicon rubber cable.
Background technology
Along with the development gradually of cable industry, cable is used to all respects of people's life, and for the cable being used in hot environment, resistance to elevated temperatures and mechanical property to cable are had higher requirement, silicon rubber forms main chain by silicon, Sauerstoffatom, and side chain is carbon-containing group. Silicon rubber has good thermotolerance and winter hardiness, it has excellent weathering resistance and ozone resistance and good insulativity, therefore it is widely used in hot environment, but the intensity of silicon rubber is low, tear resistance is poor, have impact on it to use, it is thus desirable to provide a kind of new silicone rubber for cable.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of anti tear heat-resistant silicon rubber cable, good heat resistance of the present invention, tear resistance height, good mechanical property.
A kind of anti tear heat-resistant silicon rubber cable that the present invention proposes, silicone rubber for cable comprises restrictive coating, the raw material of restrictive coating comprises by weight: silicon rubber 80-100 part, terpolymer EP rubber 10-20 part, compounded mix 60-80 part, hydroxy silicon oil 4-6 part, paraffin oil 2-3 part, epoxy soybean oil 1-3 part, fire retardant 30-50 part, dicumyl peroxide 1-2 part, two 250.4-0.6 part, captax 0.2-0.4 part, accelerant B Z0.3-0.5 part, two butyl stannic oxide 1-3 part, dibutyl tin laurate 1-2 part, antioxidant 1010 0.2-0.4 part, irgasfos 168 0.1-0.3 part, silicone powder 1-3 part, the raw material of compounded mix comprises: vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite.
Preferably, the raw material of restrictive coating comprises by weight: silicon rubber 85-95 part, terpolymer EP rubber 12-18 part, compounded mix 65-75 part, hydroxy silicon oil 4.5-5.5 part, paraffin oil 2.3-2.7 part, epoxy soybean oil 1.5-2.5 part, fire retardant 35-45 part, dicumyl peroxide 1.2-1.8 part, two 250.45-0.55 part, captax 0.25-0.35 part, accelerant B Z0.35-0.45 part, two butyl stannic oxide 1.5-2.5 part, dibutyl tin laurate 1.3-1.7 part, antioxidant 1010 0.25-0.35 part, irgasfos 168 0.15-0.25 part, silicone powder 1.5-2.5 part.
Preferably, silicon rubber is methyl vinyl silicone rubber, and wherein, the content of methyl vinyl silicone rubber medium vinyl is 0.4-0.6wt%.
Preferably, the weight ratio of vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite is 0.05-0.1:0.3-0.5:0.2-0.4:8-12.
Preferably, fire retardant is the mixture of ammonium polyphosphate, trimeric cyanamide, zinc borate composition, and the weight ratio of ammonium polyphosphate, trimeric cyanamide, zinc borate is 3-5:1-1.5:0.2-0.4.
Preferably, in the preparation process of the restrictive coating of anti tear heat-resistant silicon rubber cable, by silicon rubber, compounded mix, hydroxy silicon oil mixes, it is warming up to 90-100 DEG C, 3-5h is stirred with the speed of 100-200r/min, add terpolymer EP rubber, continue to stir 20-30min, add paraffin oil, epoxy soybean oil, fire retardant, two butyl stannic oxide, dibutyl tin laurate, antioxidant 1010, irgasfos 168, silicone powder, it is warming up to 130-150 DEG C, continue to stir 20-30min, add dicumyl peroxide, two 25, captax, accelerant B Z mixes even, it is warming up to 165-175 DEG C, sulfuration 5-8min, it is warming up to 200-220 DEG C, insulation 90-120min obtains the restrictive coating of anti tear heat-resistant silicon rubber cable.
Preferably, in the preparation process of modified expanded vermiculite, expanded vermiculite is added to the water mixed even, it is warming up to 50-60 DEG C, add the tetradecyl dimethyl benzyl ammonium aqueous solution, insulated and stirred 5-7h, leave standstill, filter and get filter cake, washing, dry, pulverize and obtain modified expanded vermiculite.
Preferably, in the preparation process of modified expanded vermiculite, expanded vermiculite is added to the water mixed even, it is warming up to 50-60 DEG C, add the tetradecyl dimethyl benzyl ammonium aqueous solution that massfraction is 4-6wt%, with the speed insulated and stirred 5-7h of 200-400r/min, room temperature leaves standstill 2-4h, filters and gets filter cake, by washing with alcohol, vacuum-drying, is crushed to 300-500 order and obtains modified expanded vermiculite.
Preferably, in the preparation process of modified expanded vermiculite, the weight ratio of expanded vermiculite, water and the tetradecyl dimethyl benzyl ammonium aqueous solution is 3-4:50-65:65-75.
In the preparation process of above-mentioned modified expanded vermiculite, the effect of ethanol is cleaned, and does not specify its consumption, determines its consumption according to concrete operation.
The silicon rubber that the present invention selects has excellent resistant of high or low temperature, erosion resistance, insulativity, but its intensity and tear resistance are lower, terpolymer EP rubber has good mechanical property and resistance to elevated temperatures, the two cooperatively interacts and can make up the shortcoming of silicone rubber mechanical performance deficiency, increases mechanical property and the thermotolerances such as anti tear of the present invention, shock resistance, nano silicon, nano titanium oxide, expanded vermiculite all have good resistance to elevated temperatures, and cooperatively interacting with silicon rubber can increase the resistance to elevated temperatures of the present invention greatly, expanded vermiculite is modified through tetradecyl dimethyl benzyl ammonium in addition, on the one hand, adds the nonpolar of expanded vermiculite so that it is evenly disperse in silicon rubber, on the other hand, increases the interfloor distance of expanded vermiculite so that nano silicon, nano titanium oxide, silicon rubber, vinyltriethoxysilane, hydroxy silicon oil can enter between layer, and vinyltriethoxysilane can promote nano silicon, nano titanium oxide and silicon rubber evenly disperse, nano silicon, the activity hydroxy on nano titanium oxide surface can be bonded with the hydroxyl between expanded vermiculite layer, thus promote between the layer that silicon rubber enters expanded vermiculite further, the double bond contained in silicon rubber can be polymerized with the double bond in vinyltriethoxysilane, hydroxy silicon oil is the constitution controller of silicon rubber, nano silicon, nano titanium oxide, silicon rubber, vinyltriethoxysilane, can there is bonding and polyreaction in hydroxy silicon oil, form cross-linked network, make silicon rubber between expanded vermiculite layer, nano silicon, nano titanium oxide, modified expanded vermiculite is closely connected, thus greatly increases the thermotolerance of the present invention, tear resistance and shock resistance, paraffin oil, epoxy soybean oil are softening agent, it is possible to while keeping intensity of the present invention, increase toughness and the processing characteristics of the present invention further, ammonium polyphosphate, trimeric cyanamide, zinc borate can cooperatively interact, and increase the flame retardant resistance of the present invention, two butyl stannic oxide, dibutyl tin laurate, antioxidant 1010, irgasfos 168 cooperatively interact, it is possible to increase the thermostability of the present invention, silicone powder and vinyltriethoxysilane, paraffin oil, epoxy soybean oil cooperatively interact, the workability of the present invention can be increased, dicumyl peroxide, two 25, captax, accelerant B Z, vinyltriethoxysilane cooperatively interact, can promote that rubber forms fine and close cross-linked network, each material can be dispersed in cross-linked network, increases mechanical property and the thermotolerance of the present invention further.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of anti tear heat-resistant silicon rubber cable that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is a kind of anti tear heat-resistant silicon rubber cable that the present invention proposes.
With reference to Fig. 1, a kind of anti tear heat-resistant silicon rubber cable that the present invention proposes, comprising: cable 3, the lapping layer 4 surrounding outside cable 3 successively, screen layer 5 and restrictive coating 6 that three big cores 1 and three little cores 2 are formed; Described big core 1 comprises the big insulation layer 12 extruded by the stranded big conductor 11 that forms of many copper wires and big conductor outside surface; Little core 2 comprises the little insulation layer 22 extruded by the stranded little conductor 21 that forms of many copper wires and little conductor outside surface.
Below, by specific embodiment, the technical scheme of the present invention is described in detail.
Embodiment 1
A kind of anti tear heat-resistant silicon rubber cable, silicone rubber for cable comprises restrictive coating, and the raw material of restrictive coating comprises by weight: 90 parts, silicon rubber, terpolymer EP rubber 15 parts, compounded mix 70 parts, hydroxy silicon oil 5 parts, paraffin oil 2.5 parts, epoxy soybean oil 2 parts, fire retardant 40 parts, dicumyl peroxide 1.5 parts, two 250.5 parts, captax 0.3 part, accelerant B Z0.4 part, 2 parts, two butyl stannic oxide, dibutyl tin laurate 1.5 parts, antioxidant 1010 0.3 part, irgasfos 168 0.2 part, silicone powder 2 parts; The raw material of compounded mix comprises: vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite.
Embodiment 2
A kind of anti tear heat-resistant silicon rubber cable, silicone rubber for cable comprises restrictive coating, the raw material of restrictive coating comprises by weight: contents of ethylene is the methyl vinyl silicone rubber 100 parts of 0.4wt%, terpolymer EP rubber 10 parts, compounded mix 80 parts, hydroxy silicon oil 4 parts, paraffin oil 3 parts, epoxy soybean oil 1 part, fire retardant 50 parts, dicumyl peroxide 1 part, two 250.6 parts, captax 0.2 part, accelerant B Z0.5 part, 1 part, two butyl stannic oxide, dibutyl tin laurate 2 parts, antioxidant 1010 0.2 part, irgasfos 168 0.3 part, silicone powder 1 part;
The raw material of compounded mix comprises: vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite, and wherein the weight ratio of vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite is 1:3:4:80;
Fire retardant is the mixture of ammonium polyphosphate, trimeric cyanamide, zinc borate composition, and the weight ratio of ammonium polyphosphate, trimeric cyanamide, zinc borate is 5:1:0.4;
In the preparation process of the restrictive coating of anti tear heat-resistant silicon rubber cable, by silicon rubber, compounded mix, hydroxy silicon oil mixes, it is warming up to 90 DEG C, 3h is stirred with the speed of 200r/min, add terpolymer EP rubber, continue to stir 30min, add paraffin oil, epoxy soybean oil, fire retardant, two butyl stannic oxide, dibutyl tin laurate, antioxidant 1010, irgasfos 168, silicone powder, it is warming up to 130 DEG C, continue to stir 30min, add dicumyl peroxide, two 25, captax, accelerant B Z mixes even, it is warming up to 165 DEG C, sulfuration 8min, it is warming up to 200 DEG C, insulation 120min obtains the restrictive coating of anti tear heat-resistant silicon rubber cable,
In the preparation process of modified expanded vermiculite, expanded vermiculite is added to the water mixed even, it is warming up to 50 DEG C, add the tetradecyl dimethyl benzyl ammonium aqueous solution that massfraction is 6wt%, with the speed insulated and stirred 7h of 200r/min, room temperature leaves standstill 2h, filters and gets filter cake, by washing with alcohol, vacuum-drying, being crushed to 500 orders and obtain modified expanded vermiculite, wherein, the weight ratio of expanded vermiculite, water and the tetradecyl dimethyl benzyl ammonium aqueous solution is 3:65:65.
Embodiment 3
A kind of anti tear heat-resistant silicon rubber cable, silicone rubber for cable comprises restrictive coating, the raw material of restrictive coating comprises by weight: contents of ethylene is the methyl vinyl silicone rubber 80 parts of 0.6wt%, terpolymer EP rubber 20 parts, compounded mix 60 parts, hydroxy silicon oil 6 parts, paraffin oil 2 parts, epoxy soybean oil 3 parts, fire retardant 30 parts, dicumyl peroxide 2 parts, two 250.4 parts, captax 0.4 part, accelerant B Z0.3 part, 3 parts, two butyl stannic oxide, dibutyl tin laurate 1 part, antioxidant 1010 0.4 part, irgasfos 168 0.1 part, silicone powder 3 parts;
The raw material of compounded mix comprises: vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite, and wherein the weight ratio of vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite is 1:10:4:240;
Fire retardant is the mixture of ammonium polyphosphate, trimeric cyanamide, zinc borate composition, and the weight ratio of ammonium polyphosphate, trimeric cyanamide, zinc borate is 30:15:2;
In the preparation process of the restrictive coating of anti tear heat-resistant silicon rubber cable, by silicon rubber, compounded mix, hydroxy silicon oil mixes, it is warming up to 100 DEG C, 5h is stirred with the speed of 100r/min, add terpolymer EP rubber, continue to stir 20min, add paraffin oil, epoxy soybean oil, fire retardant, two butyl stannic oxide, dibutyl tin laurate, antioxidant 1010, irgasfos 168, silicone powder, it is warming up to 150 DEG C, continue to stir 20min, add dicumyl peroxide, two 25, captax, accelerant B Z mixes even, it is warming up to 175 DEG C, sulfuration 5min, it is warming up to 220 DEG C, insulation 90min obtains the restrictive coating of anti tear heat-resistant silicon rubber cable,
In the preparation process of modified expanded vermiculite, expanded vermiculite is added to the water mixed even, it is warming up to 60 DEG C, add the tetradecyl dimethyl benzyl ammonium aqueous solution that massfraction is 4wt%, with the speed insulated and stirred 5h of 400r/min, room temperature leaves standstill 4h, filters and gets filter cake, by washing with alcohol, vacuum-drying, being crushed to 300 orders and obtain modified expanded vermiculite, wherein, the weight ratio of expanded vermiculite, water and the tetradecyl dimethyl benzyl ammonium aqueous solution is 4:50:75.
Embodiment 4
A kind of anti tear heat-resistant silicon rubber cable, silicone rubber for cable comprises restrictive coating, the raw material of restrictive coating comprises by weight: contents of ethylene is the methyl vinyl silicone rubber 95 parts of 0.45wt%, terpolymer EP rubber 12 parts, compounded mix 75 parts, hydroxy silicon oil 4.5 parts, paraffin oil 2.7 parts, epoxy soybean oil 1.5 parts, fire retardant 45 parts, dicumyl peroxide 1.2 parts, two 250.55 parts, captax 0.25 part, accelerant B Z0.45 part, 1.5 parts, two butyl stannic oxide, dibutyl tin laurate 1.7 parts, antioxidant 1010 0.25 part, irgasfos 168 0.25 part, silicone powder 1.5 parts,
The raw material of compounded mix comprises: vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite, and wherein the weight ratio of vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite is 0.8:3.5:3.5:90;
Fire retardant is the mixture of ammonium polyphosphate, trimeric cyanamide, zinc borate composition, and the weight ratio of ammonium polyphosphate, trimeric cyanamide, zinc borate is 45:11:3.5;
In the preparation process of the restrictive coating of anti tear heat-resistant silicon rubber cable, by silicon rubber, compounded mix, hydroxy silicon oil mixes, it is warming up to 92 DEG C, 3.5h is stirred with the speed of 180r/min, add terpolymer EP rubber, continue to stir 27min, add paraffin oil, epoxy soybean oil, fire retardant, two butyl stannic oxide, dibutyl tin laurate, antioxidant 1010, irgasfos 168, silicone powder, it is warming up to 135 DEG C, continue to stir 27min, add dicumyl peroxide, two 25, captax, accelerant B Z mixes even, it is warming up to 168 DEG C, sulfuration 7min, it is warming up to 205 DEG C, insulation 110min obtains the restrictive coating of anti tear heat-resistant silicon rubber cable,
In the preparation process of modified expanded vermiculite, expanded vermiculite is added to the water mixed even, it is warming up to 52 DEG C, add the tetradecyl dimethyl benzyl ammonium aqueous solution that massfraction is 5.5wt%, with the speed insulated and stirred 6.5h of 250r/min, room temperature leaves standstill 2.5h, filters and gets filter cake, by washing with alcohol, vacuum-drying, being crushed to 500 orders and obtain modified expanded vermiculite, wherein, the weight ratio of expanded vermiculite, water and the tetradecyl dimethyl benzyl ammonium aqueous solution is 3.3:60:68.
Embodiment 5
A kind of anti tear heat-resistant silicon rubber cable, silicone rubber for cable comprises restrictive coating, the raw material of restrictive coating comprises by weight: contents of ethylene is the methyl vinyl silicone rubber 85 parts of 0.55wt%, terpolymer EP rubber 18 parts, compounded mix 65 parts, hydroxy silicon oil 5.5 parts, paraffin oil 2.3 parts, epoxy soybean oil 2.5 parts, fire retardant 35 parts, dicumyl peroxide 1.8 parts, two 250.45 parts, captax 0.35 part, accelerant B Z0.35 part, 2.5 parts, two butyl stannic oxide, dibutyl tin laurate 1.3 parts, antioxidant 1010 0.35 part, irgasfos 168 0.15 part, silicone powder 2.5 parts,
The raw material of compounded mix comprises: vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite, and wherein the weight ratio of vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite is 0.06:0.45:0.25:11;
Fire retardant is the mixture of ammonium polyphosphate, trimeric cyanamide, zinc borate composition, and the weight ratio of ammonium polyphosphate, trimeric cyanamide, zinc borate is 35:13:2.5;
In the preparation process of the restrictive coating of anti tear heat-resistant silicon rubber cable, by silicon rubber, compounded mix, hydroxy silicon oil mixes, it is warming up to 98 DEG C, 4.5h is stirred with the speed of 120r/min, add terpolymer EP rubber, continue to stir 23min, add paraffin oil, epoxy soybean oil, fire retardant, two butyl stannic oxide, dibutyl tin laurate, antioxidant 1010, irgasfos 168, silicone powder, it is warming up to 145 DEG C, continue to stir 23min, add dicumyl peroxide, two 25, captax, accelerant B Z mixes even, it is warming up to 172 DEG C, sulfuration 6min, it is warming up to 215 DEG C, insulation 100min obtains the restrictive coating of anti tear heat-resistant silicon rubber cable,
In the preparation process of modified expanded vermiculite, expanded vermiculite is added to the water mixed even, it is warming up to 58 DEG C, add the tetradecyl dimethyl benzyl ammonium aqueous solution that massfraction is 4.5wt%, with the speed insulated and stirred 5.5h of 350r/min, room temperature leaves standstill 3.5h, filters and gets filter cake, by washing with alcohol, vacuum-drying, being crushed to 300 orders and obtain modified expanded vermiculite, wherein, the weight ratio of expanded vermiculite, water and the tetradecyl dimethyl benzyl ammonium aqueous solution is 3.7:55:72.
Embodiment 6
A kind of anti tear heat-resistant silicon rubber cable, silicone rubber for cable comprises restrictive coating, the raw material of restrictive coating comprises by weight: contents of ethylene is the methyl vinyl silicone rubber 90 parts of 0.5wt%, terpolymer EP rubber 15 parts, compounded mix 70 parts, hydroxy silicon oil 5 parts, paraffin oil 2.5 parts, epoxy soybean oil 2 parts, fire retardant 40 parts, dicumyl peroxide 1.5 parts, two 250.5 parts, captax 0.3 part, accelerant B Z0.4 part, 2 parts, two butyl stannic oxide, dibutyl tin laurate 1.5 parts, antioxidant 1010 0.3 part, irgasfos 168 0.2 part, silicone powder 2 parts;
The raw material of compounded mix comprises: vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite, and wherein the weight ratio of vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite is 0.07:0.4:0.3:10;
Fire retardant is the mixture of ammonium polyphosphate, trimeric cyanamide, zinc borate composition, and the weight ratio of ammonium polyphosphate, trimeric cyanamide, zinc borate is 4:1.2:0.3;
In the preparation process of the restrictive coating of anti tear heat-resistant silicon rubber cable, by silicon rubber, compounded mix, hydroxy silicon oil mixes, it is warming up to 95 DEG C, 4h is stirred with the speed of 150r/min, add terpolymer EP rubber, continue to stir 25min, add paraffin oil, epoxy soybean oil, fire retardant, two butyl stannic oxide, dibutyl tin laurate, antioxidant 1010, irgasfos 168, silicone powder, it is warming up to 140 DEG C, continue to stir 25min, add dicumyl peroxide, two 25, captax, accelerant B Z mixes even, it is warming up to 170 DEG C, sulfuration 6.5min, it is warming up to 210 DEG C, insulation 105min obtains the restrictive coating of anti tear heat-resistant silicon rubber cable,
In the preparation process of modified expanded vermiculite, expanded vermiculite is added to the water mixed even, it is warming up to 55 DEG C, add the tetradecyl dimethyl benzyl ammonium aqueous solution that massfraction is 5wt%, with the speed insulated and stirred 6h of 300r/min, room temperature leaves standstill 3h, filters and gets filter cake, by washing with alcohol, vacuum-drying, being crushed to 400 orders and obtain modified expanded vermiculite, wherein, the weight ratio of expanded vermiculite, water and the tetradecyl dimethyl benzyl ammonium aqueous solution is 3.5:53:70.
The above; it is only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; any it is familiar with those skilled in the art in the technical scope that the present invention discloses; technical scheme and invention design thereof according to the present invention are equal to replacement or are changed, and all should be encompassed within protection scope of the present invention.
Claims (9)
1. an anti tear heat-resistant silicon rubber cable, it is characterized in that, silicone rubber for cable comprises restrictive coating, the raw material of restrictive coating comprises by weight: silicon rubber 80-100 part, terpolymer EP rubber 10-20 part, compounded mix 60-80 part, hydroxy silicon oil 4-6 part, paraffin oil 2-3 part, epoxy soybean oil 1-3 part, fire retardant 30-50 part, dicumyl peroxide 1-2 part, two 250.4-0.6 part, captax 0.2-0.4 part, accelerant B Z0.3-0.5 part, two butyl stannic oxide 1-3 part, dibutyl tin laurate 1-2 part, antioxidant 1010 0.2-0.4 part, irgasfos 168 0.1-0.3 part, silicone powder 1-3 part, the raw material of compounded mix comprises: vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite.
2. anti tear heat-resistant silicon rubber cable according to claim 1, it is characterized in that, the raw material of restrictive coating comprises by weight: silicon rubber 85-95 part, terpolymer EP rubber 12-18 part, compounded mix 65-75 part, hydroxy silicon oil 4.5-5.5 part, paraffin oil 2.3-2.7 part, epoxy soybean oil 1.5-2.5 part, fire retardant 35-45 part, dicumyl peroxide 1.2-1.8 part, two 250.45-0.55 part, captax 0.25-0.35 part, accelerant B Z0.35-0.45 part, two butyl stannic oxide 1.5-2.5 part, dibutyl tin laurate 1.3-1.7 part, antioxidant 1010 0.25-0.35 part, irgasfos 168 0.15-0.25 part, silicone powder 1.5-2.5 part.
3. anti tear heat-resistant silicon rubber cable according to claim 1 or 2, it is characterised in that, silicon rubber is methyl vinyl silicone rubber, and wherein, the content of methyl vinyl silicone rubber medium vinyl is 0.4-0.6wt%.
4. according to the described anti tear heat-resistant silicon rubber cable of the arbitrary item of claim 1-3, it is characterized in that, the weight ratio of vinyltriethoxysilane, nano silicon, nano titanium oxide, modified expanded vermiculite is 0.05-0.1:0.3-0.5:0.2-0.4:8-12.
5. according to the described anti tear heat-resistant silicon rubber cable of the arbitrary item of claim 1-4, it is characterized in that, fire retardant is the mixture of ammonium polyphosphate, trimeric cyanamide, zinc borate composition, and the weight ratio of ammonium polyphosphate, trimeric cyanamide, zinc borate is 3-5:1-1.5:0.2-0.4.
6. according to the described anti tear heat-resistant silicon rubber cable of the arbitrary item of claim 1-5, it is characterized in that, in the preparation process of the restrictive coating of anti tear heat-resistant silicon rubber cable, by silicon rubber, compounded mix, hydroxy silicon oil mixes, it is warming up to 90-100 DEG C, 3-5h is stirred with the speed of 100-200r/min, add terpolymer EP rubber, continue to stir 20-30min, add paraffin oil, epoxy soybean oil, fire retardant, two butyl stannic oxide, dibutyl tin laurate, antioxidant 1010, irgasfos 168, silicone powder, it is warming up to 130-150 DEG C, continue to stir 20-30min, add dicumyl peroxide, two 25, captax, accelerant B Z mixes even, it is warming up to 165-175 DEG C, sulfuration 5-8min, it is warming up to 200-220 DEG C, insulation 90-120min obtains the restrictive coating of anti tear heat-resistant silicon rubber cable.
7. according to the described anti tear heat-resistant silicon rubber cable of the arbitrary item of claim 1-6, it is characterized in that, in the preparation process of modified expanded vermiculite, expanded vermiculite is added to the water mixed even, it is warming up to 50-60 DEG C, add the tetradecyl dimethyl benzyl ammonium aqueous solution, insulated and stirred 5-7h, leave standstill, filter cake is got in filtration, washing, dry, pulverize and obtain modified expanded vermiculite.
8. anti tear heat-resistant silicon rubber cable according to claim 7, it is characterized in that, in the preparation process of modified expanded vermiculite, expanded vermiculite is added to the water mixed even, it is warming up to 50-60 DEG C, adding the tetradecyl dimethyl benzyl ammonium aqueous solution that massfraction is 4-6wt%, with the speed insulated and stirred 5-7h of 200-400r/min, room temperature leaves standstill 2-4h, filter cake is got in filtration, with washing with alcohol, vacuum-drying, it is crushed to 300-500 order and obtains modified expanded vermiculite.
9. anti tear heat-resistant silicon rubber cable according to claim 7 or 8, it is characterised in that, in the preparation process of modified expanded vermiculite, the weight ratio of expanded vermiculite, water and the tetradecyl dimethyl benzyl ammonium aqueous solution is 3-4:50-65:65-75.
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| CN201610153176.XA CN105623275A (en) | 2016-03-16 | 2016-03-16 | Tear-resistant and heat-resistant silicone rubber cable |
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| CN107022193A (en) * | 2017-04-21 | 2017-08-08 | 安徽电气集团股份有限公司 | A kind of extremely frigid zones direct burial power cable |
| CN107129685A (en) * | 2017-04-21 | 2017-09-05 | 安徽电气集团股份有限公司 | A kind of cable for shield machine frequency conversion speed-adjusting system |
| CN107254178A (en) * | 2017-08-01 | 2017-10-17 | 合肥择浚电气设备有限公司 | A kind of insulating layer material of High-Voltage Electrical Appliances cabinet and preparation method thereof |
| CN107523061A (en) * | 2017-07-24 | 2017-12-29 | 安徽超越电缆科技有限公司 | A kind of cracking resistance silicone rubber for cable sheath material |
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| CN110172304A (en) * | 2019-04-18 | 2019-08-27 | 浙江上青元电力科技有限公司 | A kind of cable fire insulation adhesive tape |
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