CN105142252A - Constant-power electric tracing band - Google Patents
Constant-power electric tracing band Download PDFInfo
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- CN105142252A CN105142252A CN201510494672.7A CN201510494672A CN105142252A CN 105142252 A CN105142252 A CN 105142252A CN 201510494672 A CN201510494672 A CN 201510494672A CN 105142252 A CN105142252 A CN 105142252A
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Abstract
The invention discloses a constant-power electric tracing band. The constant-power electric tracing band comprises a wire core; the wire core comprises three tin-plated circular copper wires arranged in parallel and wire insulation layers winding on the tin-plated circular copper wires; the wire core is wrapped with an inner jacket insulation layer, heating wires, an outer jacket, a metal weaved layer and a reinforced jacket in sequence; the heating wires are circularly connected with the tin-plated circular copper wires at certain intervals; and the reinforced jacket is prepared from silicone rubber. The constant-power electric tracing band is cold-resistant, good in corrosion resistance and excellent in mechanical property; the structure of the constant-power electric tracing band is not damaged even under strong tearing and biting forces.
Description
Technical field
The present invention relates to electric-heating belt technical field, particularly relate to a kind of invariable power electric-heating belt.
Background technology
But when temperature is low in the winter time, various instrument, pipeline then there will be frozen block phenomenon, cause parameter detecting fault or raw material circulation fault, simultaneously the hidden danger of also likely permanent damages.For instrument in winter, the problem of pipe freezeup, many employings are in the instrument of emphasis, pipeline outsourcing electric-heating belt, but muroid usually can damage electric-heating belt, affect the normal operation of electric-heating belt, especially cold season muroid larger for the harm of electric-heating belt, muroid has sharp tooth, can by the sheath of electric-heating belt or even steel, aluminium strip protective layer is broken by the teeth, the direct performance affecting electric-heating belt, after biting in oral cavity liquid residue on electric-heating belt, although prepare multiple electric-heating belt but still can not meet demand at present, how to prepare a kind of cold-resistant, corrosion resistance and good, the invariable power electric-heating belt of excellent in mechanical performance becomes the current technical issues that need to address.
Summary of the invention
The present invention proposes a kind of invariable power electric-heating belt, cold-resistant, corrosion resistance and good, excellent in mechanical performance, even if do not destroy its structure strongly baiting under effect yet.
A kind of invariable power electric-heating belt that the present invention proposes, comprise core, described core is made up of the wire insulation of three tin-plating round copper wires be arranged in parallel and every root tin-plating round copper wire outer cladding, core is coated with inner sheath insulating barrier, heating wire, oversheath, wire sheathing and reinforced sheath outward successively, heating wire circulates successively with tin-plating round copper wire at a certain distance and is connected, and reinforced sheath adopts silicon rubber preparation.
Preferably, the raw material of described silicon rubber comprises by weight: low-phenyl silicone rubber 20-30 part, acrylonitrile-butadiene rubber 20-50 part, metallocene PE 15-20 part, hydrocarbon oil 1.2-1.5 part, naphthenic oil 0.2-0.8 part, chlorinated paraffin wax 0.5-0.9 part, white carbon 40-60 part, graphite 12-14 part, modified glass microspheres 30-40 part, diatomite 10-15 part, C5 Petropols 2-5 part, liquid coumarone indene resin 5-10 part, two Lauryl Alcohol ester 0.2-0.8 part, antioxidant 264 1-1.5 part, UV absorbers UV-5310.5-1.2 part, zinc stearate 0.5-1.2 part, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane 1-2 part of 5-, antimony trichloride 0.5-0.8 part, ammonium dichromate potassium 0.5-1.2 part, poly-to nitrosobenzene 1-1.4 part.
Preferably, in hydrocarbon oil, the mol ratio of aromatic hydrocarbon and saturated hydrocarbons is 3-5:1, and in naphthenic oil, the content of saturated hydrocarbons is 40-55%.
Preferably, in the preparation process of modified glass microspheres, 20-30 part glass microballoon being added 50-60 part concentration is by weight soak 2-6h in 80-95% ethanolic solution, add 0.5-1 part neopelex to mix, 60-80 DEG C of insulation 1-3h is heated under stirring, filter, washing, send in baking oven and heat, heating-up temperature is 130-140 DEG C, heating time is 5-10h, send into ultrasonic disperse in 20-40 paraxylene solution, ultrasonic temperature is 70-80 DEG C, the ultrasonic disperse time is 2-4min, filter, washing, dry, add 0.2-0.8 part boric acid ester coupler, 20-30 part deionized water heating water bath, bath temperature is 70-75 DEG C, heating time is 5-8h, filter, cleaning, dry, grinding obtains modified glass microspheres.
Preferably, the weight ratio of acrylonitrile-butadiene rubber, low-phenyl silicone rubber and metallocene PE is 40-45:25-30:18-20.
Preferably, the weight ratio of acrylonitrile-butadiene rubber and modified glass microspheres is 40-45:35-40.
Preferably, it is characterized in that white carbon, graphite, modified glass microspheres and diatomaceous weight ratio are 50-55:13-13.4:34-38:12-14.
Preferably, in the preparation process of modified glass microspheres, 24-28 part glass microballoon being added 54-58 part concentration is by weight soak 3-5h in 90-93% ethanolic solution, add 0.6-0.8 part neopelex to mix, 70-76 DEG C of insulation 1-2h is heated under stirring, filter, washing, send in baking oven and heat, heating-up temperature is 132-134 DEG C, heating time is 6-8h, send into ultrasonic disperse in 30-34 part paraxylene solution, ultrasonic temperature is 75-78 DEG C, the ultrasonic disperse time is 2-3min, filter, washing, dry, add 0.4-0.6 part boric acid ester coupler, 24-26 part deionized water heating water bath, bath temperature is 72-74 DEG C, heating time is 6-7h, filter, cleaning, dry, grinding obtains modified glass microspheres.
Preferably, the weight ratio of glass microballoon, neopelex and boric acid ester coupler is 25-26:0.6-0.7:0.5-0.6.
In the present invention, the preparation method of the sheath of described invariable power electric-heating belt comprises the steps: to take by weight acrylonitrile-butadiene rubber, low-phenyl silicone rubber, metallocene PE are placed in low speed kneader and stir, take hydrocarbon oil, naphthenic oil, chlorinated paraffin wax, white carbon, graphite, modified glass microspheres, diatomite, C5 Petropols, liquid coumarone indene resin, two Lauryl Alcohol ester, antioxidant 264, UV absorbers UV-531 to insert in above-mentioned low speed kneader and even with the mixing of materials of preparation, then the material of preparation being placed in the heating of high-speed kneading machine, to carry out high-speed stirred even, wherein first temperature is increased to 80-90 DEG C and stirs 3-5min, then improve temperature and stir 1-3min to 100-105 DEG C, cooling, add zinc stearate, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane of 5-, antimony trichloride, ammonium dichromate potassium, poly-nitrosobenzene is mixed and is sent in vulcanizer carry out sulfuration, curing temperature is 105-115 DEG C, cure time is 2-4min, the material of preparation is sent in dual-screw pelletizer and carries out extruding pelletization, oven dry obtains silicon rubber.
In the present invention, low-phenyl silicone rubber cold resistance is better, ageing-resistant performance is poor, and acrylonitrile-butadiene rubber is wear-resisting, thermal endurance, resistance to ag(e)ing are good, but hardness is poor, metallocene PE good toughness, adhesive property is excellent, and activity is higher, and acrylonitrile-butadiene rubber, low-phenyl silicone rubber and metallocene polyethylene rubber act synergistically, under ensureing all good condition of reinforced article toughness and hardness, ageing-resistant, the cold-resistant and sealing performance of material is all more excellent, white carbon in addition, graphite, modified glass microspheres and diatomite use as reinforcing filler, can the mechanical property of remarkable reinforcing material, product hardness and anti-wear performance excellence, wherein in the preparation process of modified glass microspheres, by adopt neopelex and boric acid ester coupler dual composite modified to glass microballoon, itself and acrylonitrile-butadiene rubber, the adhesion of the organic material such as low-phenyl silicone rubber and metallocene polyethylene rubber and other inorganic material is strong, it is fabulous that storeroom mixes performance, the mechanical property of product strengthens further, adopt hydrocarbon oil in addition, naphthenic oil and chlorinated paraffin wax synergistic effect, the pliability of reinforced sheath can be significantly improved, impact resistance, adopt 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane of 5-, gather nitrosobenzene synergy as vulcanizing system, cure efficiency is good, while guarantee physical and mechanical properties is good, strengthen and strengthen the ageing-resistant of low-phenyl silicone rubber, toughness and hardness, further with two Lauryl Alcohol ester, antioxidant 264 and UV absorbers UV-531 acting in conjunction, goods ageing-resistant performance strengthens further, said products and all the other structure composition effects of electric-heating belt, even if do not destroy the structure of goods under muroid baits effect strongly yet.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of invariable power electric-heating belt that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of a kind of invariable power electric-heating belt that the present invention proposes.
Embodiment 1
With reference to Fig. 1, a kind of invariable power electric-heating belt, comprise core, described core is made up of the wire insulation 2 of three tin-plating round copper wires 1 be arranged in parallel and every root tin-plating round copper wire outer cladding, core is coated with inner sheath insulating barrier 2, heating wire 4, oversheath 5, wire sheathing 6 and reinforced sheath 7 outward successively, heating wire 4 circulates successively with tin-plating round copper wire 1 at a certain distance and is connected, and reinforced sheath 7 adopts silicon rubber to prepare.
The raw material of its silicon rubber comprises by weight: acrylonitrile-butadiene rubber 20 parts, low-phenyl silicone rubber 30 parts, metallocene PE 15 parts, hydrocarbon oil 1.5 parts, naphthenic oil 0.2 part, chlorinated paraffin wax 0.9 part, white carbon 40 parts, 14 parts, graphite, modified glass microspheres 30 parts, 15 parts, diatomite, C5 Petropols 2 parts, liquid coumarone indene resin 10 parts, two Lauryl Alcohol ester 0.2 part, antioxidant 264 1.5 parts, UV absorbers UV-5310.5 part, zinc stearate 1.2 parts, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane 1 part of 5-, antimony trichloride 0.8 part, 0.5 part, ammonium dichromate potassium, poly-to nitrosobenzene 1.4 parts, in hydrocarbon oil, the mol ratio of aromatic hydrocarbon and saturated hydrocarbons is 3:1, and in naphthenic oil, the content of saturated hydrocarbons is 55%.
Wherein in the preparation process of modified glass microspheres, 20 parts of glass microballoons being added 60 parts of concentration is by weight soak 6h in 80% ethanolic solution, add 0.5 part of neopelex to mix, 80 DEG C of insulation 1h are heated under stirring, filter, washing, send in baking oven and heat, heating-up temperature is 140 DEG C, heating time is 5h, send into ultrasonic disperse in 40 paraxylene solution, ultrasonic temperature is 70 DEG C, the ultrasonic disperse time is 4min, filter, washing, dry, add 0.2 part of boric acid ester coupler, 30 parts of deionized water heating water baths, bath temperature is 70 DEG C, heating time is 8h, filter, cleaning, dry, grinding obtains modified glass microspheres.
The preparation method of described silicon rubber comprises the steps: to take by weight acrylonitrile-butadiene rubber, low-phenyl silicone rubber, metallocene PE are placed in low speed kneader and stir, take hydrocarbon oil, naphthenic oil, chlorinated paraffin wax, white carbon, graphite, modified glass microspheres, diatomite, C5 Petropols, liquid coumarone indene resin, two Lauryl Alcohol ester, antioxidant 264, UV absorbers UV-531 to insert in above-mentioned low speed kneader and even with the mixing of materials of preparation, then the material of preparation being placed in the heating of high-speed kneading machine, to carry out high-speed stirred even, wherein first temperature is increased to 80 DEG C and stirs 5min, then improve temperature to 100 DEG C and stir 3min, cooling, add zinc stearate, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane of 5-, antimony trichloride, ammonium dichromate potassium, poly-nitrosobenzene is mixed and is sent in vulcanizer carry out sulfuration, curing temperature is 105 DEG C, cure time is 4min, the material of preparation is sent in dual-screw pelletizer and carries out extruding pelletization, oven dry obtains silicon rubber.
Embodiment 2
A kind of invariable power electric-heating belt, comprise core, described core is made up of the wire insulation 2 of three tin-plating round copper wires 1 be arranged in parallel and every root tin-plating round copper wire outer cladding, core is coated with inner sheath insulating barrier 2, heating wire 4, oversheath 5, wire sheathing 6 and reinforced sheath 7 outward successively, heating wire 4 circulates successively with tin-plating round copper wire 1 at a certain distance and is connected, and reinforced sheath 7 adopts silicon rubber to prepare.
The raw material of its silicon rubber comprises by weight: acrylonitrile-butadiene rubber 50 parts, low-phenyl silicone rubber 20 parts, metallocene PE 20 parts, hydrocarbon oil 1.2 parts, naphthenic oil 0.8 part, chlorinated paraffin wax 0.5 part, white carbon 60 parts, 12 parts, graphite, modified glass microspheres 40 parts, 10 parts, diatomite, C5 Petropols 5 parts, liquid coumarone indene resin 5 parts, two Lauryl Alcohol ester 0.8 part, antioxidant 264 1 part, UV absorbers UV-5311.2 part, zinc stearate 0.5 part, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane 2 parts of 5-, antimony trichloride 0.5 part, 1.2 parts, ammonium dichromate potassium, poly-to nitrosobenzene 1 part, in hydrocarbon oil, the mol ratio of aromatic hydrocarbon and saturated hydrocarbons is 5:1, and in naphthenic oil, the content of saturated hydrocarbons is 40%.
Wherein in the preparation process of modified glass microspheres, 30 parts of glass microballoons being added 50 parts of concentration is by weight soak 2h in 95% ethanolic solution, add 1 part of neopelex to mix, 60 DEG C of insulation 3h are heated under stirring, filter, washing, send in baking oven and heat, heating-up temperature is 130 DEG C, heating time is 10h, send into ultrasonic disperse in 20 paraxylene solution, ultrasonic temperature is 80 DEG C, the ultrasonic disperse time is 2min, filter, washing, dry, add 0.8 part of boric acid ester coupler, 20 parts of deionized water heating water baths, bath temperature is 75 DEG C, heating time is 5h, filter, cleaning, dry, grinding obtains modified glass microspheres.
The preparation method of described silicon rubber comprises the steps: to take by weight acrylonitrile-butadiene rubber, low-phenyl silicone rubber, metallocene PE are placed in low speed kneader and stir, take hydrocarbon oil, naphthenic oil, chlorinated paraffin wax, white carbon, graphite, modified glass microspheres, diatomite, C5 Petropols, liquid coumarone indene resin, two Lauryl Alcohol ester, antioxidant 264, UV absorbers UV-531 to insert in above-mentioned low speed kneader and even with the mixing of materials of preparation, then the material of preparation being placed in the heating of high-speed kneading machine, to carry out high-speed stirred even, wherein first temperature is increased to 90 DEG C and stirs 3min, then improve temperature to 105 DEG C and stir 1min, cooling, add zinc stearate, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane of 5-, antimony trichloride, ammonium dichromate potassium, poly-nitrosobenzene is mixed and is sent in vulcanizer carry out sulfuration, curing temperature is 115 DEG C, cure time is 2min, the material of preparation is sent in dual-screw pelletizer and carries out extruding pelletization, oven dry obtains silicon rubber.
Embodiment 3
A kind of invariable power electric-heating belt, comprise core, described core is made up of the wire insulation 2 of three tin-plating round copper wires 1 be arranged in parallel and every root tin-plating round copper wire outer cladding, core is coated with inner sheath insulating barrier 2, heating wire 4, oversheath 5, wire sheathing 6 and reinforced sheath 7 outward successively, heating wire 4 circulates successively with tin-plating round copper wire 1 at a certain distance and is connected, and reinforced sheath 7 adopts silicon rubber to prepare.
The raw material of its silicon rubber comprises by weight: acrylonitrile-butadiene rubber 40 parts, low-phenyl silicone rubber 30 parts, metallocene PE 18 parts, hydrocarbon oil 1.3 parts, naphthenic oil 0.3 part, chlorinated paraffin wax 0.8 part, white carbon 55 parts, 13 parts, graphite, modified glass microspheres 40 parts, 14 parts, diatomite, C5 Petropols 3 parts, liquid coumarone indene resin 9 parts, two Lauryl Alcohol ester 0.3 part, antioxidant 264 1.4 parts, UV absorbers UV-5310.6 part, zinc stearate 1.15 parts, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane 1.2 parts of 5-, antimony trichloride 0.7 part, 0.6 part, ammonium dichromate potassium, poly-to nitrosobenzene 1.3 parts, in hydrocarbon oil, the mol ratio of aromatic hydrocarbon and saturated hydrocarbons is 3.5:1, and in naphthenic oil, the content of saturated hydrocarbons is 52%.
In the preparation process of modified glass microspheres, 24 parts of glass microballoons being added 58 parts of concentration is by weight soak 5h in 90% ethanolic solution, add 0.6 part of neopelex to mix, 76 DEG C of insulation 1h are heated under stirring, filter, washing, send in baking oven and heat, heating-up temperature is 134 DEG C, heating time is 6h, send into ultrasonic disperse in 34 parts of paraxylene solution, ultrasonic temperature is 75 DEG C, the ultrasonic disperse time is 3min, filter, washing, dry, add 0.4 part of boric acid ester coupler, 26 parts of deionized water heating water baths, bath temperature is 72 DEG C, heating time is 7h, filter, cleaning, dry, grinding obtains modified glass microspheres.
The preparation method of described silicon rubber comprises the steps: to take by weight acrylonitrile-butadiene rubber, low-phenyl silicone rubber, metallocene PE are placed in low speed kneader and stir, take hydrocarbon oil, naphthenic oil, chlorinated paraffin wax, white carbon, graphite, modified glass microspheres, diatomite, C5 Petropols, liquid coumarone indene resin, two Lauryl Alcohol ester, antioxidant 264, UV absorbers UV-531 to insert in above-mentioned low speed kneader and even with the mixing of materials of preparation, then the material of preparation being placed in the heating of high-speed kneading machine, to carry out high-speed stirred even, wherein first temperature is increased to 82 DEG C and stirs 4.5min, then improve temperature to 102 DEG C and stir 2min, cooling, add zinc stearate, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane of 5-, antimony trichloride, ammonium dichromate potassium, poly-nitrosobenzene is mixed and is sent in vulcanizer carry out sulfuration, curing temperature is 108 DEG C, cure time is 3min, the material of preparation is sent in dual-screw pelletizer and carries out extruding pelletization, oven dry obtains silicon rubber.
Embodiment 4
A kind of invariable power electric-heating belt, comprise core, described core is made up of the wire insulation 2 of three tin-plating round copper wires 1 be arranged in parallel and every root tin-plating round copper wire outer cladding, core is coated with inner sheath insulating barrier 2, heating wire 4, oversheath 5, wire sheathing 6 and reinforced sheath 7 outward successively, heating wire 4 circulates successively with tin-plating round copper wire 1 at a certain distance and is connected, and reinforced sheath 7 adopts silicon rubber to prepare.
The raw material of its silicon rubber comprises by weight: acrylonitrile-butadiene rubber 45 parts, low-phenyl silicone rubber 25 parts, metallocene PE 20 parts, hydrocarbon oil 1.3 parts, naphthenic oil 0.7 part, chlorinated paraffin wax 0.6 part, white carbon 50 parts, 13.4 parts, graphite, modified glass microspheres 35 parts, 12 parts, diatomite, C5 Petropols 4.5 parts, liquid coumarone indene resin 6 parts, two Lauryl Alcohol ester 0.75 part, antioxidant 264 1.2 parts, UV absorbers UV-5310.85 part, zinc stearate 0.75 part, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane 1.4 parts of 5-, antimony trichloride 0.6 part, 1.15 parts, ammonium dichromate potassium, poly-to nitrosobenzene 1.2 parts, in hydrocarbon oil, the mol ratio of aromatic hydrocarbon and saturated hydrocarbons is 4.2:1, and in naphthenic oil, the content of saturated hydrocarbons is 50.5%.
In the preparation process of modified glass microspheres, 28 parts of glass microballoons being added 54 parts of concentration is by weight soak 3h in 93% ethanolic solution, add 0.8 part of neopelex to mix, 70 DEG C of insulation 2h are heated under stirring, filter, washing, send in baking oven and heat, heating-up temperature is 132 DEG C, heating time is 8h, send into ultrasonic disperse in 30 parts of paraxylene solution, ultrasonic temperature is 78 DEG C, the ultrasonic disperse time is 2min, filter, washing, dry, add 0.6 part of boric acid ester coupler, 24 parts of deionized water heating water baths, bath temperature is 74 DEG C, heating time is 6h, filter, cleaning, dry, grinding obtains modified glass microspheres.
The preparation method of described silicon rubber comprises the steps: to take by weight acrylonitrile-butadiene rubber, low-phenyl silicone rubber, metallocene PE are placed in low speed kneader and stir, take hydrocarbon oil, naphthenic oil, chlorinated paraffin wax, white carbon, graphite, modified glass microspheres, diatomite, C5 Petropols, liquid coumarone indene resin, two Lauryl Alcohol ester, antioxidant 264, UV absorbers UV-531 to insert in above-mentioned low speed kneader and even with the mixing of materials of preparation, then the material of preparation being placed in the heating of high-speed kneading machine, to carry out high-speed stirred even, wherein first temperature is increased to 82 DEG C and stirs 4min, then improve temperature to 103 DEG C and stir 2min, cooling, add zinc stearate, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane of 5-, antimony trichloride, ammonium dichromate potassium, poly-nitrosobenzene is mixed and is sent in vulcanizer carry out sulfuration, curing temperature is 108 DEG C, cure time is 3min, the material of preparation is sent in dual-screw pelletizer and carries out extruding pelletization, oven dry obtains silicon rubber.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. an invariable power electric-heating belt, it is characterized in that, comprise core, described core is made up of the wire insulation (2) of three tin-plating round copper wires (1) be arranged in parallel and every root tin-plating round copper wire outer cladding, core is coated with inner sheath insulating barrier (2), heating wire (4), oversheath (5), wire sheathing (6) and reinforced sheath (7) outward successively, heating wire (4) circulates successively with tin-plating round copper wire (1) at a certain distance and is connected, and reinforced sheath (7) adopts silicon rubber preparation.
2. invariable power electric-heating belt according to claim 1, it is characterized in that, described silicone rubber material comprises by weight: low-phenyl silicone rubber 20-30 part, acrylonitrile-butadiene rubber 20-50 part, metallocene PE 15-20 part, hydrocarbon oil 1.2-1.5 part, naphthenic oil 0.2-0.8 part, chlorinated paraffin wax 0.5-0.9 part, white carbon 40-60 part, graphite 12-14 part, modified glass microspheres 30-40 part, diatomite 10-15 part, C5 Petropols 2-5 part, liquid coumarone indene resin 5-10 part, two Lauryl Alcohol ester 0.2-0.8 part, antioxidant 264 1-1.5 part, UV absorbers UV-5310.5-1.2 part, zinc stearate 0.5-1.2 part, 2, 5-dimethyl-2, two (tert-butyl hydroperoxide) hexane 1-2 part of 5-, antimony trichloride 0.5-0.8 part, ammonium dichromate potassium 0.5-1.2 part, poly-to nitrosobenzene 1-1.4 part.
3. invariable power electric-heating belt according to claim 2, is characterized in that, in hydrocarbon oil, the mol ratio of aromatic hydrocarbon and saturated hydrocarbons is 3-5:1, and in naphthenic oil, the content of saturated hydrocarbons is 40-55%.
4. the invariable power electric-heating belt according to Claims 2 or 3, it is characterized in that, in the preparation process of modified glass microspheres, 20-30 part glass microballoon being added 50-60 part concentration is by weight soak 2-6h in 80-95% ethanolic solution, add 0.5-1 part neopelex to mix, 60-80 DEG C of insulation 1-3h is heated under stirring, filter, washing, send in baking oven and heat, heating-up temperature is 130-140 DEG C, heating time is 5-10h, send into ultrasonic disperse in 20-40 paraxylene solution, ultrasonic temperature is 70-80 DEG C, the ultrasonic disperse time is 2-4min, filter, washing, dry, add 0.2-0.8 part boric acid ester coupler, 20-30 part deionized water heating water bath, bath temperature is 70-75 DEG C, heating time is 5-8h, filter, cleaning, dry, grinding obtains modified glass microspheres.
5. the invariable power electric-heating belt according to any one of claim 2-4, is characterized in that, the weight ratio of acrylonitrile-butadiene rubber, low-phenyl silicone rubber and metallocene PE is 40-45:25-30:18-20.
6. the invariable power electric-heating belt according to any one of claim 2-5, is characterized in that, the weight ratio of acrylonitrile-butadiene rubber and modified glass microspheres is 40-45:35-40.
7. the invariable power electric-heating belt according to any one of claim 2-6, is characterized in that white carbon, graphite, modified glass microspheres and diatomaceous weight ratio are 50-55:13-13.4:34-38:12-14.
8. the invariable power electric-heating belt according to any one of claim 2-7, it is characterized in that, in the preparation process of modified glass microspheres, 24-28 part glass microballoon being added 54-58 part concentration is by weight soak 3-5h in 90-93% ethanolic solution, add 0.6-0.8 part neopelex to mix, 70-76 DEG C of insulation 1-2h is heated under stirring, filter, washing, send in baking oven and heat, heating-up temperature is 132-134 DEG C, heating time is 6-8h, send into ultrasonic disperse in 30-34 part paraxylene solution, ultrasonic temperature is 75-78 DEG C, the ultrasonic disperse time is 2-3min, filter, washing, dry, add 0.4-0.6 part boric acid ester coupler, 24-26 part deionized water heating water bath, bath temperature is 72-74 DEG C, heating time is 6-7h, filter, cleaning, dry, grinding obtains modified glass microspheres.
9. the invariable power electric-heating belt according to any one of claim 2-8, is characterized in that, the weight ratio of glass microballoon, neopelex and boric acid ester coupler is 25-26:0.6-0.7:0.5-0.6.
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| CN201510494672.7A CN105142252A (en) | 2015-08-12 | 2015-08-12 | Constant-power electric tracing band |
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| CN201510494672.7A CN105142252A (en) | 2015-08-12 | 2015-08-12 | Constant-power electric tracing band |
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Cited By (3)
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| CN105419346A (en) * | 2015-12-31 | 2016-03-23 | 崇夕山 | High-performance self-limit electric tracing band rubber oversheath |
| CN106751046A (en) * | 2016-12-03 | 2017-05-31 | 安徽中润电缆集团股份有限公司 | A kind of environment-friendly waterproof power cable |
| CN112300498A (en) * | 2020-11-11 | 2021-02-02 | 安邦电气股份有限公司 | Electric tracing band capable of effectively preventing electric leakage |
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| CN201674682U (en) * | 2010-04-19 | 2010-12-15 | 江阴市华能电热器材有限公司 | Dual-core chromium-nickel alloy stranded wires, silicon rubber insulated sheath and PVC sheath electric heating cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105419346A (en) * | 2015-12-31 | 2016-03-23 | 崇夕山 | High-performance self-limit electric tracing band rubber oversheath |
| CN106751046A (en) * | 2016-12-03 | 2017-05-31 | 安徽中润电缆集团股份有限公司 | A kind of environment-friendly waterproof power cable |
| CN112300498A (en) * | 2020-11-11 | 2021-02-02 | 安邦电气股份有限公司 | Electric tracing band capable of effectively preventing electric leakage |
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Application publication date: 20151209 |