CN105101485B - A kind of instrument invariable power electric-heating belt - Google Patents
A kind of instrument invariable power electric-heating belt Download PDFInfo
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- CN105101485B CN105101485B CN201510492701.6A CN201510492701A CN105101485B CN 105101485 B CN105101485 B CN 105101485B CN 201510492701 A CN201510492701 A CN 201510492701A CN 105101485 B CN105101485 B CN 105101485B
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Abstract
The invention discloses a kind of instrument invariable power electric-heating belts, including core, the core is made of the wire insulation of six roots of sensation tin-plating round copper wire disposed in parallel and every tin-plating round copper wire outer cladding, inner sheath insulating layer, heating wire, oversheath, wire sheathing and reinforced sheath are successively coated with outside core, heating wire circuits sequentially with tin-plating round copper wire connect at a certain distance, and reinforced sheath is prepared using silicon rubber.The present invention is cold-resistant, corrosion resistance and good, excellent in mechanical performance, does not destroy its structure under the effect of baiting strongly.
Description
Technical field
The present invention relates to electric-heating belt technical field more particularly to a kind of instrument invariable power electric-heating belts.
Background technique
But when temperature is low in winter, various instrument, pipeline then will appear frozen block phenomenon, lead to parameter detecting failure or raw material
Circulate failure, while it is also possible to permanent damages hidden danger.Aiming at the problem that winter instrument, pipe freezeup, mostly use in emphasis
Instrument, pipeline outsourcing electric-heating belt, but muroid can usually damage electric-heating belt, influence the normal operation of electric-heating belt, especially
Muroid is larger for the harm of electric-heating belt during the cold season for it, and muroid has sharp tooth, can be by the sheath of electric-heating belt
Even steel, aluminium strip protective layer are broken by the teeth, directly affect the performance of electric-heating belt, and mouth intracavity liquid remains in electric tracing after biting
It takes, electric-heating belt is corroded, although preparing a variety of electric-heating belts at present but still can not meet demand, how to make
Standby a kind of cold-resistant, corrosion resistance and good, the instrument invariable power electric-heating belt of excellent in mechanical performance becomes what needs at present solved
Technical problem.
Summary of the invention
The invention proposes a kind of instrument invariable power electric-heating belts, resist cold, corrosion resistance and good, excellent in mechanical performance,
Its structure is not destroyed under the effect of baiting strongly yet.
A kind of instrument invariable power electric-heating belt proposed by the present invention, including core, the core is by disposed in parallel six
Root tin-plating round copper wire and the wire insulation of every tin-plating round copper wire outer cladding composition, core are successively coated with inner sheath insulation outside
Layer, heating wire, oversheath, wire sheathing and reinforced sheath, heating wire are circuited sequentially with tin-plating round copper wire at a certain distance
Connection, reinforced sheath are prepared using silicon rubber.
Preferably, the raw material of the silicon rubber includes: 40-60 parts of fluorine silicone rubber by weight, and 15-25 parts of nitrile rubber,
5-10 parts of metallocene PE, 0.2-0.8 parts of hydrocarbon oil, 1-1.5 parts of naphthenic oil, 1-2 parts of chlorinated paraffin, gas-phase silica
40-60 parts, 5-15 parts of powdered whiting, 20-35 parts of modified glass microspheres, 5-15 parts of diatomite, vinyltrimethoxysilane
1-3 parts, 1-4 parts of liquid coumarone indene resin, three 0.5-0.8 parts of ester of (16 carbon alcohol), three ester 0.3-1 parts of the last of the ten Heavenly stems, UV absorbers
UV-5311-1.6 parts, 1-1.5 parts of ethyl trimethoxy silane, 0.5-1.5 parts of benzoyl peroxide, microencapsulated powder oil 1-2
Part, 1-3 parts of ammonium dichromate potassium, 1-2 parts of titanium acetylacetone.
Preferably, the molar ratio of aromatic hydrocarbon and saturated hydrocarbons is 5-8:1-3 in hydrocarbon oil, and saturated hydrocarbons contains in naphthenic oil
Amount is 35-48wt%.
Preferably, by weight that 40-60 parts of 100 parts of glass microballoons additions are dense in the preparation process of modified glass microspheres
Degree is that 1-3h is impregnated in 40-70% ethanol solution, and 1-3 parts of dimethyl carbonates are added and are uniformly mixed, are heated to 90- under stirring
95 DEG C, 20-40min is kept the temperature, is filtered, washing is sent into baking oven and is heated, and heating temperature is 100-114 DEG C, heating time 10-
15h is sent into ultrasonic disperse in 30-50 parts of toluene solutions, and ultrasonic temperature is 50-60 DEG C, and the ultrasonic disperse time is 30-40min, mistake
Filter is washed, dry, is added 1-3 parts and is carried out heating water bath, bath temperature to alkylchlorosilane coupling agent, 40-60 parts of deionized waters
It is 80-89 DEG C, heating time 10-14h is filtered, and is cleaned, and dry, grinding obtains modified glass microspheres.
Preferably, the weight ratio of fluorine silicone rubber, nitrile rubber and metallocene PE is 50-54:20-23:6-8.
Preferably, the weight ratio of hydrocarbon oil, naphthenic oil and chlorinated paraffin is 0.4-0.6:1.2-1.4:1.4-1.6.
Preferably, the weight ratio of gas-phase silica, powdered whiting, modified glass microspheres and diatomite is 10-12:50-
54:11-11.5:30-31.2.
Preferably, the raw material of the silicon rubber includes: 50-54 parts of fluorine silicone rubber by weight, and 20-23 parts of nitrile rubber,
6-8 parts of metallocene PE, 0.4-0.6 parts of hydrocarbon oil, 1.2-1.4 parts of naphthenic oil, 1.4-1.6 parts of chlorinated paraffin, gas phase
50-54 parts of white carbon black, 11-11.5 parts of powdered whiting, 30-31.2 parts of modified glass microspheres, 10-12 parts of diatomite, vinyl
1.2-2.4 parts of trimethoxy silane, 2-3 parts of liquid coumarone indene resin, three 0.6-0.7 parts of ester of (16 carbon alcohol), three last of the ten Heavenly stems ester 0.5-
0.8 part, UV-5311.2-1.4 parts of UV absorbers, 1.3-1.4 parts of ethyl trimethoxy silane, benzoyl peroxide 0.6-1
Part, 1.2-1.6 parts of microencapsulated powder oil, 2-2.5 parts of ammonium dichromate potassium, 1.5-1.8 parts of titanium acetylacetone.
In the present invention, the preparation method of the silicon rubber includes the following steps: to weigh nitrile rubber, fluorine silicon rubber by weight
Glue, metallocene PE are placed in low speed kneader and stir evenly；It is white to weigh hydrocarbon oil, naphthenic oil, chlorinated paraffin, gas phase
Carbon black, powdered whiting, modified glass microspheres, diatomite, vinyltrimethoxysilane, liquid coumarone indene resin, three (16
Carbon alcohol) ester, three last of the ten Heavenly stems esters, UV absorbers UV-531 be placed in above-mentioned low speed kneader and be uniformly mixed with the material of preparation,
Then the material of preparation being placed in high-speed kneading machine heating, to carry out high-speed stirred uniform, wherein first improving temperature to 60-
Then 70 DEG C of stirring 5-10min improve temperature to 90-95 DEG C of stirring 2-6min, cooling, addition ethyl trimethoxy silane, mistake
Benzoyl Oxide, microencapsulated powder oil, ammonium dichromate potassium, titanium acetylacetone are mixed and fed into vulcanizer and are vulcanized, vulcanization
Temperature is 120-130 DEG C, vulcanization time 40-60s, and the material of preparation is sent into dual-screw pelletizer and carries out extruding pelletization,
Drying obtains silicon rubber.
In the present invention, fluorine silicone rubber has excellent heat-resisting, oil resistance, and nitrile rubber is wear-resisting, heat resistance, resistance to ag(e)ing
It is good, but hardness is poor, metallocene PE good toughness, and adhesive property is excellent, nitrile rubber, fluorine silicone rubber and metallocene PE
Rubber synergistic effect, but under the conditions of guaranteeing that product toughness and hardness are preferable, ageing-resistant, the cold-resistant and leakproofness performance of material
It is more excellent；In addition gas-phase silica, powdered whiting, modified glass microspheres and diatomite are used as reinforcing filler, can
The mechanical property of material is significantly increased, product hardness and wear-resisting property are excellent, wherein in the preparation process of modified glass microspheres,
It is dual to glass microballoon composite modified by using dimethyl carbonate and to alkylchlorosilane coupling agent, with nitrile rubber, fluorine
The binding force of the organic materials such as silicon rubber and metallocene polyethylene rubber is strong, and the uniformly mixed performance of storeroom is fabulous, the power of product
It learns performance to further enhance, in addition using hydrocarbon oil, naphthenic oil and chlorinated paraffin wax synergistic effect, it is soft to be remarkably improved product
Toughness, impact resistance, using benzoyl peroxide as vulcanizing agent, vulcanization effect is good, is guaranteeing that physical mechanical property is good
Meanwhile enhancing the ageing-resistant of reinforced sheath, toughness and hardness, further inhaled with three (16 carbon alcohol) esters, three last of the ten Heavenly stems esters and ultraviolet light
Agent UV-531 collective effect is received, reinforced article ageing-resistant performance further enhances, remaining structure of said products and electric-heating belt is comprehensive
Cooperation is used, and does not destroy its structure even if muroid is baited strongly under effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of instrument invariable power electric-heating belt proposed by the present invention.
Specific embodiment
As shown in FIG. 1, FIG. 1 is a kind of structural schematic diagrams of instrument invariable power electric-heating belt proposed by the present invention.
Embodiment 1
Referring to Fig.1, a kind of instrument invariable power electric-heating belt, including core, the core are plated by the six roots of sensation disposed in parallel
Tin circular copper wire 1 and the wire insulation of every tin-plating round copper wire outer cladding 2 form, and inner sheath insulating layer is successively coated with outside core
3, heating wire 4, oversheath 5, wire sheathing 6 and reinforced sheath 7, heating wire 4 at a certain distance with tin-plating round copper wire 1 successively
It is connected by circulation, reinforced sheath 7 is prepared using silicon rubber.
The raw material of the silicon rubber includes: 40 parts of fluorine silicone rubber by weight, and 25 parts of nitrile rubber, metallocene PE 5
Part, 0.8 part of hydrocarbon oil, 1 part of naphthenic oil, 2 parts of chlorinated paraffin, 40 parts of gas-phase silica, 15 parts of powdered whiting, modified glass
20 parts of glass microballon, 15 parts of diatomite, 1 part of vinyltrimethoxysilane, 4 parts of liquid coumarone indene resin, three (16 carbon alcohol) esters
0.5 part, three 1 part of last of the ten Heavenly stems esters, UV-5311 parts of UV absorbers, 1.5 parts of ethyl trimethoxy silane, benzoyl peroxide 0.5
Part, 2 parts of microencapsulated powder oil, 1 part of ammonium dichromate potassium, 2 parts of titanium acetylacetone.
Embodiment 2
A kind of instrument invariable power electric-heating belt, including core, the core is by six roots of sensation tin-plating round copper wire 1 disposed in parallel
And the wire insulation 2 of every tin-plating round copper wire outer cladding forms, and inner sheath insulating layer 3, heating wire are successively coated with outside core
4, oversheath 5, wire sheathing 6 and reinforced sheath 7, heating wire 4 at a certain distance with 1 company of circuiting sequentially of tin-plating round copper wire
It connects, reinforced sheath 7 is prepared using silicon rubber.
The raw material of the silicon rubber includes: 60 parts of fluorine silicone rubber by weight, and 15 parts of nitrile rubber, metallocene PE 10
Part, it is 0.2 part of hydrocarbon oil, 1.5 parts of naphthenic oil, 1 part of chlorinated paraffin, 60 parts of gas-phase silica, 5 parts of powdered whiting, modified
35 parts of glass microballoon, 5 parts of diatomite, 3 parts of vinyltrimethoxysilane, 1 part of liquid coumarone indene resin, three (16 carbon alcohol) esters
0.8 part, three 0.3 part of last of the ten Heavenly stems esters, UV-5311.6 parts of UV absorbers, 1 part of ethyl trimethoxy silane, benzoyl peroxide 1.5
Part, 1 part of microencapsulated powder oil, 3 parts of ammonium dichromate potassium, 1 part of titanium acetylacetone.
Embodiment 3
A kind of instrument invariable power electric-heating belt, including core, the core is by six roots of sensation tin-plating round copper wire 1 disposed in parallel
And the wire insulation 2 of every tin-plating round copper wire outer cladding forms, and inner sheath insulating layer 3, heating wire are successively coated with outside core
4, oversheath 5, wire sheathing 6 and reinforced sheath 7, heating wire 4 at a certain distance with 1 company of circuiting sequentially of tin-plating round copper wire
It connects, reinforced sheath 7 is prepared using silicon rubber.
The raw material of the silicon rubber includes: 50 parts of fluorine silicone rubber by weight, and 23 parts of nitrile rubber, metallocene PE 6
Part, 0.6 part of hydrocarbon oil, 1.2 parts of naphthenic oil, 1.6 parts of chlorinated paraffin, 50 parts of gas-phase silica, 11.5 parts of powdered whiting,
30 parts of modified glass microspheres, 12 parts of diatomite, 1.2 parts of vinyltrimethoxysilane, 3 parts of liquid coumarone indene resin, three (16
Carbon alcohol) 0.6 part of ester, three 0.8 part of last of the ten Heavenly stems esters, UV-5311.2 parts of UV absorbers, 1.4 parts of ethyl trimethoxy silane, peroxidating
0.6 part of benzoyl, 1.6 parts of microencapsulated powder oil, 2 parts of ammonium dichromate potassium, 1.8 parts of titanium acetylacetone.
The molar ratio of aromatic hydrocarbon and saturated hydrocarbons is 5:3 in hydrocarbon oil, and the content of saturated hydrocarbons is 35wt% in naphthenic oil.
In the preparation process of modified glass microspheres, it is 40% second that 100 parts of concentration, which are added, in 60 parts of glass microballoons by weight
Alcohol solution for soaking 3h is added 1 part of dimethyl carbonate and is uniformly mixed, 95 DEG C are heated under stirring, keep the temperature 20min, filters,
Washing is sent into baking oven and is heated, and heating temperature is 114 DEG C, heating time 10h, is sent into ultrasonic disperse in 50 parts of toluene solutions,
Ultrasonic temperature is 50 DEG C, and the ultrasonic disperse time is 40min, is filtered, and is washed, dry, be added 1 part to alkylchlorosilane coupling agent,
60 parts of deionized waters carry out heating water bath, and bath temperature is 80 DEG C, heating time 14h, filters, cleans, and dry, grinding obtains
Modified glass microspheres.
Embodiment 4
A kind of instrument invariable power electric-heating belt, including core, the core is by six roots of sensation tin-plating round copper wire 1 disposed in parallel
And the wire insulation 2 of every tin-plating round copper wire outer cladding forms, and inner sheath insulating layer 3, heating wire are successively coated with outside core
4, oversheath 5, wire sheathing 6 and reinforced sheath 7, heating wire 4 at a certain distance with 1 company of circuiting sequentially of tin-plating round copper wire
It connects, reinforced sheath 7 is prepared using silicon rubber.
The raw material of the silicon rubber includes: 54 parts of fluorine silicone rubber by weight, and 20 parts of nitrile rubber, metallocene PE 8
Part, 0.4 part of hydrocarbon oil, 1.4 parts of naphthenic oil, 1.4 parts of chlorinated paraffin, 54 parts of gas-phase silica, 11 parts of powdered whiting, change
31.2 parts of glass microballoon of property, 10 parts of diatomite, 2.4 parts of vinyltrimethoxysilane, 2 parts of liquid coumarone indene resin, three (16
Carbon alcohol) 0.7 part of ester, three 0.5 part of last of the ten Heavenly stems esters, UV-5311.4 parts of UV absorbers, 1.3 parts of ethyl trimethoxy silane, peroxidating
1 part of benzoyl, 1.2 parts of microencapsulated powder oil, 2.5 parts of ammonium dichromate potassium, 1.5 parts of titanium acetylacetone.
The molar ratio of aromatic hydrocarbon and saturated hydrocarbons is 8:1 in hydrocarbon oil, and the content of saturated hydrocarbons is 48wt% in naphthenic oil.
In the preparation process of modified glass microspheres, it is 70% second that 100 parts of concentration, which are added, in 40 parts of glass microballoons by weight
Alcohol solution for soaking 1h is added 3 parts of dimethyl carbonates and is uniformly mixed, 90 DEG C are heated under stirring, keep the temperature 40min, filters,
Washing is sent into baking oven and is heated, and heating temperature is 100 DEG C, heating time 15h, is sent into ultrasonic disperse in 30 parts of toluene solutions,
Ultrasonic temperature is 60 DEG C, and the ultrasonic disperse time is 30min, is filtered, and is washed, dry, be added 3 parts to alkylchlorosilane coupling agent,
40 parts of deionized waters carry out heating water bath, and bath temperature is 89 DEG C, heating time 10h, filters, cleans, and dry, grinding obtains
Modified glass microspheres.
Embodiment 5
A kind of instrument invariable power electric-heating belt, including core, the core is by six roots of sensation tin-plating round copper wire 1 disposed in parallel
And the wire insulation 2 of every tin-plating round copper wire outer cladding forms, and inner sheath insulating layer 3, heating wire are successively coated with outside core
4, oversheath 5, wire sheathing 6 and reinforced sheath 7, heating wire 4 at a certain distance with 1 company of circuiting sequentially of tin-plating round copper wire
It connects, reinforced sheath 7 is prepared using silicon rubber.
The raw material of the silicon rubber includes: 52 parts of fluorine silicone rubber by weight, and 22 parts of nitrile rubber, metallocene PE 7
Part, 0.5 part of hydrocarbon oil, 1.3 parts of naphthenic oil, 1.5 parts of chlorinated paraffin, 52 parts of gas-phase silica, 11.2 parts of powdered whiting,
31 parts of modified glass microspheres, 11 parts of diatomite, 2 parts of vinyltrimethoxysilane, 2.3 parts of liquid coumarone indene resin, three (16
Carbon alcohol) 0.67 part of ester, three 0.7 part of last of the ten Heavenly stems esters, UV-5311.3 parts of UV absorbers, 1.35 parts of ethyl trimethoxy silane, peroxide
Change 0.8 part of benzoyl, 1.4 parts of microencapsulated powder oil, 2.2 parts of ammonium dichromate potassium, 1.7 parts of titanium acetylacetone.
The molar ratio of aromatic hydrocarbon and saturated hydrocarbons is 3:1 in hydrocarbon oil, and the content of saturated hydrocarbons is 40wt% in naphthenic oil.
In the preparation process of modified glass microspheres, it is 55% second that 100 parts of concentration, which are added, in 50 parts of glass microballoons by weight
Alcohol solution for soaking 2h is added 2 parts of dimethyl carbonates and is uniformly mixed, 92 DEG C are heated under stirring, keep the temperature 30min, filters,
Washing is sent into baking oven and is heated, and heating temperature is 107 DEG C, heating time 13h, is sent into ultrasonic disperse in 40 parts of toluene solutions,
Ultrasonic temperature is 55 DEG C, and the ultrasonic disperse time is 35min, is filtered, and is washed, dry, be added 2 parts to alkylchlorosilane coupling agent,
50 parts of deionized waters carry out heating water bath, and bath temperature is 85 DEG C, heating time 12h, filters, cleans, and dry, grinding obtains
Modified glass microspheres.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of instrument invariable power electric-heating belt, which is characterized in that including core, the core is plated by the six roots of sensation disposed in parallel
Tin circular copper wire (1) and the wire insulation (2) of every tin-plating round copper wire outer cladding composition, it is exhausted that core is successively coated with inner sheath outside
Edge layer (3), heating wire (4), oversheath (5), wire sheathing (6) and reinforced sheath (7), heating wire (4) is at a certain distance
It circuits sequentially and connect with tin-plating round copper wire (1), reinforced sheath (7) is prepared using silicon rubber；
The raw material of the silicon rubber includes: 40-60 parts of fluorine silicone rubber by weight, and 15-25 parts of nitrile rubber, metallocene PE
5-10 parts, 0.2-0.8 parts of hydrocarbon oil, 1-1.5 parts of naphthenic oil, 1-2 parts of chlorinated paraffin, 40-60 parts of gas-phase silica, heavy
5-15 parts of calcium carbonate, 20-35 parts of modified glass microspheres, 5-15 parts of diatomite, 1-3 parts of vinyltrimethoxysilane, liquid is ancient
Grand resin 1-4 parts of horse, three 0.5-0.8 parts of ester of (16 carbon alcohol), three ester 0.3-1 parts of the last of the ten Heavenly stems, UV absorbers UV-531 1-1.6
Part, 1-1.5 parts of ethyl trimethoxy silane, 0.5-1.5 parts of benzoyl peroxide, 1-2 parts of microencapsulated powder oil, ammonium dichromate potassium
1-3 parts, 1-2 parts of titanium acetylacetone；
In the preparation process of modified glass microspheres, it is 40-70% that 100 parts of concentration, which are added, in 40-60 parts of glass microballoons by weight
1-3h is impregnated in ethanol solution, 1-3 parts of dimethyl carbonates are added and are uniformly mixed, and 90-95 DEG C is heated under stirring, heat preservation
20-40min is filtered, and washing is sent into baking oven and is heated, and heating temperature is 100-114 DEG C, heating time 10-15h, is sent into
Ultrasonic disperse in 30-50 parts of toluene solutions, ultrasonic temperature are 50-60 DEG C, and the ultrasonic disperse time is 30-40min, are filtered, washing,
It is dry, it is added 1-3 parts and heating water bath, bath temperature 80-89 is carried out to alkylchlorosilane coupling agent, 40-60 parts of deionized waters
DEG C, heating time 10-14h is filtered, and is cleaned, and dry, grinding obtains modified glass microspheres.
2. instrument according to claim 1 invariable power electric-heating belt, which is characterized in that aromatic hydrocarbon and full in hydrocarbon oil
Molar ratio with hydrocarbon is 5-8:1-3, and the content of saturated hydrocarbons is 35-48wt% in naphthenic oil.
3. instrument according to claim 1 or 2 invariable power electric-heating belt, which is characterized in that fluorine silicone rubber, nitrile rubber
And the weight ratio of metallocene PE is 50-54:20-23:6-8.
4. instrument according to claim 1 or 2 invariable power electric-heating belt, which is characterized in that hydrocarbon oil, naphthenic oil
And the weight ratio of chlorinated paraffin is 0.4-0.6:1.2-1.4:1.4-1.6.
5. instrument according to claim 1 or 2 invariable power electric-heating belt, which is characterized in that the raw material of the silicon rubber
It by weight include: 50-54 parts of fluorine silicone rubber, 20-23 parts of nitrile rubber, 6-8 parts of metallocene PE, hydrocarbon oil 0.4-
0.6 part, 1.2-1.4 parts of naphthenic oil, 1.4-1.6 parts of chlorinated paraffin, 50-54 parts of gas-phase silica, powdered whiting 11-11.5
Part, 30-31.2 parts of modified glass microspheres, 10-12 parts of diatomite, 1.2-2.4 parts of vinyltrimethoxysilane, liquid coumarone
2-3 parts of resin, three 0.6-0.7 parts of ester of (16 carbon alcohol), three ester 0.5-0.8 parts of the last of the ten Heavenly stems, UV absorbers UV-531 1.2-1.4
Part, 1.3-1.4 parts of ethyl trimethoxy silane, 0.6-1 parts of benzoyl peroxide, 1.2-1.6 parts of microencapsulated powder oil, dichromic acid
2-2.5 parts of ammonium potassium, 1.5-1.8 parts of titanium acetylacetone.
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| CN201510492701.6A CN105101485B (en) | 2015-08-12 | 2015-08-12 | A kind of instrument invariable power electric-heating belt |
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| CN105419346A (en) * | 2015-12-31 | 2016-03-23 | 崇夕山 | High-performance self-limit electric tracing band rubber oversheath |
| CN106674773A (en) * | 2016-12-12 | 2017-05-17 | 天长市康宁塑胶科技有限公司 | High-tenacity waterproof silicone rubber material |
| CN107090183A (en) * | 2017-05-08 | 2017-08-25 | 安徽省中车科技有限公司 | A kind of traffic indication board shell high polymer material |
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|---|---|---|---|---|
| CN103813493A (en) * | 2012-11-13 | 2014-05-21 | 安邦电气集团有限公司 | Power constant electric heat tracing cable |
| CN103971834A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Thermal insulation cable |
| CN203884010U (en) * | 2014-04-03 | 2014-10-15 | 戴文全 | Pipeline electric heat tracing insulation constant-power ribbon heater |
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2015
- 2015-08-12 CN CN201510492701.6A patent/CN105101485B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103813493A (en) * | 2012-11-13 | 2014-05-21 | 安邦电气集团有限公司 | Power constant electric heat tracing cable |
| CN203884010U (en) * | 2014-04-03 | 2014-10-15 | 戴文全 | Pipeline electric heat tracing insulation constant-power ribbon heater |
| CN103971834A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Thermal insulation cable |
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