CN108538470A - A kind of electronic connecting line of high resistance to thermal deterioration and toughness - Google Patents
A kind of electronic connecting line of high resistance to thermal deterioration and toughness Download PDFInfo
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- CN108538470A CN108538470A CN201810386685.6A CN201810386685A CN108538470A CN 108538470 A CN108538470 A CN 108538470A CN 201810386685 A CN201810386685 A CN 201810386685A CN 108538470 A CN108538470 A CN 108538470A
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- crosslinking agent
- insulating layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
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Abstract
The invention discloses the electronic connecting lines of a kind of high resistance to thermal deterioration and toughness, it is made of conductor, the insulating layer being coated on outside conductor and the restrictive coating being coated on outside insulating layer, electronic connecting line outer sheath layer disclosed by the invention has fabulous mechanical strength, there are certain flexibility, heat resistance stress cracking resistance, to resist（Heat）The performances such as aging are all good, and service life is long；The insulating layer of inside cladding has preferable heat resistance and resists（Heat）Aging has certain flexibility, stretching, bending property when can meet electronic connecting line routine use；Restrictive coating and insulating layer anti-flammability and electrical isolation duration performance are good simultaneously, and electronic connecting line prepared by the good restrictive coating of comprehensive performance and insulating layer has good safety in utilization；The jacket layer material and insulating layer material of the present invention is added with work by secondary cross-linking simultaneously, and without vulcanization, production method is simple, processes and easy to use.
Description
Technical field
The present invention relates to electronic connecting line technical fields, and in particular to a kind of high resistance to thermal deterioration is connected with the electronics of toughness
Line.
Background technology
Electronic connecting line is one of the component for connecting electric/electronic circuit, mainly device and component, component with
Play a part of to be electrically connected between cabinet, system and subsystem and signal transmits.Electronic connecting line as electronics industry important zero
Accessory is one of most commonly used electronic building brick of purposes, is widely used in laptop of new generation, digital camera, video camera
The connection of equal electronic equipments inside/outside portion；The inside/outside portion data transmission of the electronic equipments such as LCD TV, accurate medical instrument, while
With preferable resistance to environment adaptability and reliability, can application range it is extremely wide.
Include mainly inner conductor, exterior insulation material and sheath in electronic connecting line structure, in insulating materials and sheath
In material, polyvinyl chloride is relatively cheap, and good mechanical performance is easy to process so that it becomes cabling industry and uses for a long time
The most material of quantity, electronic connecting line conductor allow operating temperature to be 70 DEG C, but polyvinyl chloride is used for a long time temperature and should not surpass
Cross 65 DEG C.Be used for a long time lower cable sheathing easily occur mostly aging, tensile yield strength and tensile strength is low, toughness it is low with it is brittle
Change, the problems such as volume resistivity is low, seriously affected stretching of the electronic connecting line in normal use, bending, electrical property and
Safety in utilization.
Invention content
It is connected with the electronics of high mechanical tenacity in view of the shortcomings of the prior art, the present invention provides a kind of high resistance to thermal deterioration
Line.
The present invention solve the technical solution that uses of above-mentioned technical problem for：A kind of electronics company of high resistance to thermal deterioration and toughness
Wiring is made of conductor, the insulating layer being coated on outside conductor and the restrictive coating being coated on outside insulating layer；
The restrictive coating is made of the raw material of following parts by weight：25 ~ 45 parts of neoprene, 20 ~ 40 parts of polytetrafluoroethylene (PTFE), horse
15 ~ 25 parts of maleic anhydride grafted polyethylene, 1 ~ 3 part of pitch, 0.5 ~ 1 part of dibasicity calcium stearate, sodium carboxymethylcellulose 0.1 ~
0.4 part, 0.8 ~ 1.6 part of ESCALOL 567,3 ~ 5 parts of titanium dioxide, polyadipate -1,4- butyl glycol ester diols 1
~ 3 parts, 1 ~ 2 part of antimony pentoxide, 0.5 ~ 1.5 part of zinc oxide, 2 ~ 4 parts of crosslinking agent, 1 ~ 2 part of assistant crosslinking agent；
The insulating layer is made of the raw material of following parts by weight：30 ~ 50 parts of maleic anhydride grafted polyethylene, tetrafluoroethene-
5 ~ 30 parts of perfluoro propyl vinyl ether copolymer 1,15 ~ 25 parts of nitrile rubber, 0.1 ~ 0.4 part of sodium carboxymethylcellulose, 2- hydroxyls-
0.8 ~ 1.6 part of 4- methoxy benzophenones, 3 ~ 5 parts of titanium dioxide, 10 ~ 15 parts of calcium carbonate, 1 ~ 2 part of antimony pentoxide, aluminium hydroxide 1
~ 3 parts, 0.5 ~ 1.5 part of zinc oxide, 2 ~ 4 parts of crosslinking agent, 1 ~ 2 part of assistant crosslinking agent.
Further, the crosslinking agent is cumyl peroxide and diallyl phthalate, mass parts ratio
It is 3 ~ 5:1.
Further, the assistant crosslinking agent is trimethylol-propane trimethacrylate.
Further, the preparation method of the restrictive coating, includes the following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By polytetrafluoroethylene (PTFE), maleic anhydride grafted polyethylene, titanium dioxide, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3
Assistant crosslinking agent is placed in kneading machine, and 3 ~ 5min is kneaded at 150 ~ 160 DEG C；
（3）Neoprene, pitch, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in
3 ~ 5min is kneaded at 150 ~ 160 DEG C；
（4）By step（2）And step（3）It obtains being kneaded material and other surplus stocks is collectively disposed in kneading machine, in 150 ~ 160
It is kneaded 3 ~ 5min at DEG C, is subsequently placed in extruding pelletization in double screw extruder；
（5）By step（4）Obtained pellet 3 ~ 4min of hot pressing at 160 ~ 170 DEG C, is then fed into baking oven, in 100 ~ 105 DEG C
20 ~ 30h of lower aging；
（6）By step（5）Obtained material is thin 3 ~ 4 times logical on a mill, and pendulum glue 3 ~ 4 times opens a slice, i.e., on calender
Obtain restrictive coating of the invention.
Further, the preparation method of the insulating layer comprising following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By maleic anhydride grafted polyethylene, tetrafluoroethylene-perfluoro propyl vinyl ether copolymer, 1/2 zinc oxide, 1/3
Crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, and 3 ~ 5min is kneaded at 190 ~ 200 DEG C；
（3）Nitrile rubber, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in 150 ~
3 ~ 5min is kneaded at 160 DEG C；
（4）Titanium dioxide, calcium carbonate, aluminium hydroxide are added in the silane coupling agent that 3 ~ 5 times of weight mass fractions are 1 ~ 3%, ultrasound
Disperse 30 ~ 40min, and fully dry, obtains filler ingredient；
（5）By step（2）, step（3）It obtains being kneaded material and step（4）Obtained filler ingredient is total with other surplus stocks
With being placed in kneading machine, it is kneaded 3 ~ 5min at 150 ~ 160 DEG C, is subsequently placed in extruding pelletization in double screw extruder；
（6）By step（5）Obtained pellet 2 ~ 3min of hot pressing at 200 ~ 210 DEG C, is then fed into baking oven, at 100 ~ 105 DEG C
20 ~ 30h of aging；
（7）By step（6）Obtained material is thin 3 ~ 4 times logical on a mill, and pendulum glue 3 ~ 4 times opens a slice, i.e., on calender
Obtain insulating layer of the invention.
Compared with prior art, what the present invention had has the beneficial effect that：Electronic connecting line external jacket provided by the invention
Layer has fabulous mechanical strength, has certain flexibility, heat resistance stress cracking resistance, to resist（Heat）The performances such as aging are all
Good, service life is long；The insulating layer of inside cladding has preferable heat resistance and resists（Heat）Aging has certain flexibility,
Stretching, bending property when can meet electronic connecting line routine use；Restrictive coating and insulating layer anti-flammability and electrical isolation are held simultaneously
Continuous functional, electronic connecting line prepared by the good restrictive coating of comprehensive performance and insulating layer has good safety in utilization；
The jacket layer material and insulating layer material of the present invention is added with work by secondary cross-linking simultaneously, and without vulcanization, production method is simple, adds
Work and easy to use.
Specific implementation mode
With reference to specific embodiment, the present invention is described further, it should further be noted that the present invention
Embodiment is without being limited thereto.
Embodiment 1：A kind of electronic connecting line of high resistance to thermal deterioration and toughness, by conductor, be coated on it is exhausted outside conductor
Edge layer and the restrictive coating composition being coated on outside insulating layer；The restrictive coating is made of the raw material of following parts by weight：Neoprene rubber
35 parts of glue, 30 parts of polytetrafluoroethylene (PTFE), 20 parts of maleic anhydride grafted polyethylene, 2 parts of pitch, 0.8 part of dibasicity calcium stearate, carboxylic
0.3 part of sodium carboxymethylcellulose pyce, 1.2 parts of ESCALOL 567,4 parts of titanium dioxide, polyadipate -1,4- butanediols
2 parts of esterdiol, 1.5 parts of antimony pentoxide, 1 part of zinc oxide, 3 parts of crosslinking agent, 1.5 parts of assistant crosslinking agent；The insulating layer by with
The raw material of lower parts by weight forms：40 parts of maleic anhydride grafted polyethylene, tetrafluoroethylene-perfluoro propyl vinyl ether copolymer 22
Part, 20 parts of nitrile rubber, 0.2 part of sodium carboxymethylcellulose, 1.2 parts of ESCALOL 567,4 parts of titanium dioxide, carbon
12 parts of sour calcium, 1.5 parts of antimony pentoxide, 2 parts of aluminium hydroxide, 1 part of zinc oxide, 3 parts of crosslinking agent, 1.5 parts of assistant crosslinking agent.
Further, the crosslinking agent is cumyl peroxide and diallyl phthalate, mass parts ratio
It is 4:1；The assistant crosslinking agent is trimethylol-propane trimethacrylate.
Further, the preparation method of the restrictive coating, includes the following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By polytetrafluoroethylene (PTFE), maleic anhydride grafted polyethylene, titanium dioxide, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3
Assistant crosslinking agent is placed in kneading machine, and 4min is kneaded at 155 DEG C；
（3）Neoprene, pitch, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in
It is kneaded 4min at 155 DEG C；
（4）By step（2）And step（3）It obtains being kneaded material and other surplus stocks is collectively disposed in kneading machine, at 155 DEG C
It is kneaded 4min, is subsequently placed in extruding pelletization in double screw extruder；
（5）By step（4）Obtained pellet hot pressing 3min at 165 DEG C, is then fed into baking oven, the aging 25h at 102 DEG C；
（6）By step（5）Obtained material is thin 3 times logical on a mill, and pendulum glue 4 times opens a slice to get this on calender
The restrictive coating of invention.
Further, the preparation method of the insulating layer comprising following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By maleic anhydride grafted polyethylene, tetrafluoroethylene-perfluoro propyl vinyl ether copolymer, 1/2 zinc oxide, 1/3
Crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, and 4min is kneaded at 195 DEG C；
（3）Nitrile rubber, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in 155 DEG C
Lower mixing 4min；
（4）Titanium dioxide, calcium carbonate, aluminium hydroxide are added in the silane coupling agent that 4 times of weight mass fractions are 1 ~ 3%, ultrasound point
35min is dissipated, and fully dry, obtains filler ingredient；
（5）By step（2）, step（3）It obtains being kneaded material and step（4）Obtained filler ingredient is total with other surplus stocks
With being placed in kneading machine, it is kneaded 4min at 155 DEG C, is subsequently placed in extruding pelletization in double screw extruder；
（6）By step（5）Obtained pellet hot pressing 2min at 205 DEG C, is then fed into baking oven, the aging 25h at 102 DEG C；
（7）By step（6）Obtained material is thin 3 times logical on a mill, and pendulum glue 4 times opens a slice to get this on calender
The insulating layer of invention.
Embodiment 2：A kind of electronic connecting line of high resistance to thermal deterioration and toughness, by conductor, be coated on it is exhausted outside conductor
Edge layer and the restrictive coating composition being coated on outside insulating layer；The restrictive coating is made of the raw material of following parts by weight：Neoprene rubber
30 parts of glue, 35 parts of polytetrafluoroethylene (PTFE), 18 parts of maleic anhydride grafted polyethylene, 2.5 parts of pitch, 0.6 part of dibasicity calcium stearate,
0.3 part of sodium carboxymethylcellulose, 1 part of ESCALOL 567,4.5 parts of titanium dioxide, polyadipate -1,4- fourths two
1.5 parts of alcohol esterdiol, 1.8 parts of antimony pentoxide, 0.8 part of zinc oxide, 3.5 parts of crosslinking agent, 1.2 parts of assistant crosslinking agent；Described is exhausted
Edge layer is made of the raw material of following parts by weight：35 parts of maleic anhydride grafted polyethylene, tetrafluoroethylene-perfluoro propyl vinyl ether
25 parts of copolymer, 18 parts of nitrile rubber, 0.3 part of sodium carboxymethylcellulose, 1 part of ESCALOL 567, titanium dioxide
4.5 parts, 12 parts of calcium carbonate, 1.8 parts of antimony pentoxide, 1.5 parts of aluminium hydroxide, 0.8 part of zinc oxide, 2.5 parts of crosslinking agent, help crosslinking
1.8 parts of agent.
Further, the crosslinking agent is cumyl peroxide and diallyl phthalate, mass parts ratio
It is 7:2；The assistant crosslinking agent is trimethylol-propane trimethacrylate.
Further, the preparation method of the restrictive coating, includes the following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By polytetrafluoroethylene (PTFE), maleic anhydride grafted polyethylene, titanium dioxide, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3
Assistant crosslinking agent is placed in kneading machine, and 4.5min is kneaded at 152 DEG C；
（3）Neoprene, pitch, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in
It is kneaded 3min at 160 DEG C；
（4）By step（2）And step（3）It obtains being kneaded material and other surplus stocks is collectively disposed in kneading machine, at 152 DEG C
It is kneaded 4.5min, is subsequently placed in extruding pelletization in double screw extruder；
（5）By step（4）Obtained pellet hot pressing 3.5min at 168 DEG C, is then fed into baking oven, the aging at 101 DEG C
28h；
（6）By step（5）Obtained material is thin 3 times logical on a mill, and pendulum glue 4 times opens a slice to get this on calender
The restrictive coating of invention.
Further, the preparation method of the insulating layer comprising following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By maleic anhydride grafted polyethylene, tetrafluoroethylene-perfluoro propyl vinyl ether copolymer, 1/2 zinc oxide, 1/3
Crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, and 5min is kneaded at 190 DEG C；
（3）Nitrile rubber, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in 158 DEG C
Lower mixing 3.5min；
（4）Titanium dioxide, calcium carbonate, aluminium hydroxide are added in the silane coupling agent that 3 times of weight mass fractions are 1 ~ 3%, ultrasound point
40min is dissipated, and fully dry, obtains filler ingredient；
（5）By step（2）, step（3）It obtains being kneaded material and step（4）Obtained filler ingredient is total with other surplus stocks
With being placed in kneading machine, it is kneaded 3min at 160 DEG C, is subsequently placed in extruding pelletization in double screw extruder；
（6）By step（5）Obtained pellet hot pressing 3min at 200 DEG C, is then fed into baking oven, the aging 20h at 105 DEG C；
（7）By step（6）Obtained material is thin 4 times logical on a mill, and pendulum glue 3 times opens a slice to get this on calender
The insulating layer of invention.
Embodiment 3：A kind of electronic connecting line of high resistance to thermal deterioration and toughness, by conductor, be coated on it is exhausted outside conductor
Edge layer and the restrictive coating composition being coated on outside insulating layer；The restrictive coating is made of the raw material of following parts by weight：Neoprene rubber
25 parts of glue, 20 parts of polytetrafluoroethylene (PTFE), 15 parts of maleic anhydride grafted polyethylene, 1 part of pitch, 0.5 part of dibasicity calcium stearate, carboxylic
0.1 part of sodium carboxymethylcellulose pyce, 0.8 part of ESCALOL 567,3 parts of titanium dioxide, polyadipate -1,4- butanediols
1 part of esterdiol, 1 part of antimony pentoxide, 0.5 part of zinc oxide, 2 parts of crosslinking agent, 1 part of assistant crosslinking agent；The insulating layer is by following
The raw material of parts by weight forms：30 parts of maleic anhydride grafted polyethylene, tetrafluoroethylene-perfluoro propyl vinyl ether copolymer 15
Part, 15 parts of nitrile rubber, 0.1 part of sodium carboxymethylcellulose, 0.8 part of ESCALOL 567,3 parts of titanium dioxide, carbon
10 parts of sour calcium, 1 part of antimony pentoxide, 1 part of aluminium hydroxide, 0.5 part of zinc oxide, 2 parts of crosslinking agent, 1 part of assistant crosslinking agent.
Further, the crosslinking agent is cumyl peroxide and diallyl phthalate, mass parts ratio
It is 9:2；The assistant crosslinking agent is trimethylol-propane trimethacrylate.
Further, the preparation method of the restrictive coating, includes the following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By polytetrafluoroethylene (PTFE), maleic anhydride grafted polyethylene, titanium dioxide, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3
Assistant crosslinking agent is placed in kneading machine, and 3min is kneaded at 150 DEG C；
（3）Neoprene, pitch, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in
It is kneaded 5min at 160 DEG C；
（4）By step（2）And step（3）It obtains being kneaded material and other surplus stocks is collectively disposed in kneading machine, at 150 DEG C
It is kneaded 3min, is subsequently placed in extruding pelletization in double screw extruder；
（5）By step（4）Obtained pellet hot pressing 3min at 160 DEG C, is then fed into baking oven, the aging 20h at 100 DEG C；
（6）By step（5）Obtained material is thin 3 times logical on a mill, and pendulum glue 3 times opens a slice to get this on calender
The restrictive coating of invention.
Further, the preparation method of the insulating layer comprising following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By maleic anhydride grafted polyethylene, tetrafluoroethylene-perfluoro propyl vinyl ether copolymer, 1/2 zinc oxide, 1/3
Crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, and 5min is kneaded at 200 DEG C；
（3）Nitrile rubber, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in 150 DEG C
Lower mixing 3min；
（4）Titanium dioxide, calcium carbonate, aluminium hydroxide are added in the silane coupling agent that 5 times of weight mass fractions are 1 ~ 3%, ultrasound point
40min is dissipated, and fully dry, obtains filler ingredient；
（5）By step（2）, step（3）It obtains being kneaded material and step（4）Obtained filler ingredient is total with other surplus stocks
With being placed in kneading machine, it is kneaded 5min at 160 DEG C, is subsequently placed in extruding pelletization in double screw extruder；
（6）By step（5）Obtained pellet hot pressing 3min at 210 DEG C, is then fed into baking oven, the aging 30h at 105 DEG C；
（7）By step（6）Obtained material is thin 4 times logical on a mill, and pendulum glue 4 times opens a slice to get this on calender
The insulating layer of invention.
Embodiment 4：A kind of electronic connecting line of high resistance to thermal deterioration and toughness, by conductor, be coated on it is exhausted outside conductor
Edge layer and the restrictive coating composition being coated on outside insulating layer；The restrictive coating is made of the raw material of following parts by weight：Neoprene rubber
45 parts of glue, 40 parts of polytetrafluoroethylene (PTFE), 25 parts of maleic anhydride grafted polyethylene, 3 parts of pitch, 1 part of dibasicity calcium stearate, carboxylic first
0.4 part of base sodium cellulosate, 1.6 parts of ESCALOL 567,5 parts of titanium dioxide, polyadipate -1,4- butanediol esters
3 parts of glycol, 2 parts of antimony pentoxide, 1.5 parts of zinc oxide, 4 parts of crosslinking agent, 2 parts of assistant crosslinking agent；The insulating layer is by following heavy
Measure the raw material composition of number：50 parts of maleic anhydride grafted polyethylene, 30 parts of tetrafluoroethylene-perfluoro propyl vinyl ether copolymer,
25 parts of nitrile rubber, 0.4 part of sodium carboxymethylcellulose, 1.6 parts of ESCALOL 567,5 parts of titanium dioxide, carbonic acid
15 parts of calcium, 2 parts of antimony pentoxide, 3 parts of aluminium hydroxide, 1.5 parts of zinc oxide, 4 parts of crosslinking agent, 2 parts of assistant crosslinking agent.
Further, the crosslinking agent is cumyl peroxide and diallyl phthalate, mass parts ratio
It is 5:1；The assistant crosslinking agent is trimethylol-propane trimethacrylate.
Further, the preparation method of the restrictive coating and the preparation method of insulating layer, the same embodiment of specific steps
1。
Embodiment 5：A kind of electronic connecting line of high resistance to thermal deterioration and toughness, by conductor, be coated on it is exhausted outside conductor
Edge layer and the restrictive coating composition being coated on outside insulating layer；The restrictive coating is made of the raw material of following parts by weight：Neoprene rubber
25 parts of glue, 40 parts of polytetrafluoroethylene (PTFE), 15 parts of maleic anhydride grafted polyethylene, 3 parts of pitch, 0.5 part of dibasicity calcium stearate, carboxylic
0.4 part of sodium carboxymethylcellulose pyce, 0.8 part of ESCALOL 567,5 parts of titanium dioxide, polyadipate -1,4- butanediols
1 part of esterdiol, 2 parts of antimony pentoxide, 0.5 part of zinc oxide, 4 parts of crosslinking agent, 1 part of assistant crosslinking agent；The insulating layer is by following
The raw material of parts by weight forms：50 parts of maleic anhydride grafted polyethylene, tetrafluoroethylene-perfluoro propyl vinyl ether copolymer 15
Part, 25 parts of nitrile rubber, 0.1 part of sodium carboxymethylcellulose, 1.6 parts of ESCALOL 567,3 parts of titanium dioxide, carbon
15 parts of sour calcium, 1 part of antimony pentoxide, 3 parts of aluminium hydroxide, 0.5 part of zinc oxide, 4 parts of crosslinking agent, 1 part of assistant crosslinking agent.
Further, the crosslinking agent is cumyl peroxide and diallyl phthalate, mass parts ratio
It is 3:1；The assistant crosslinking agent is trimethylol-propane trimethacrylate.
Further, the preparation method of the restrictive coating and the preparation method of insulating layer, the same embodiment of specific steps
1。
Performance test is standardized to the obtained jacket layer materials of 1-5 of the embodiment of the present invention and insulating layer material, as a result
As shown in the table.
Meanwhile burin-in process is carried out to the obtained jacket layer materials of embodiment 1-5 and insulating layer material, treatment conditions are：
Hot air aging, 100 DEG C, time 300h of temperature measure the tensile strength change rate of jacket layer material and insulating layer material and break
It splits elongation change rate and is no more than 6%.
Should be it is again noted that above-described embodiment be only used for being illustrated present disclosure, rather than limit,
With any change in the comparable meaning and scope of claims of the present invention, all it is believed that being included in claims
Protection domain in.
Claims (5)
1. the electronic connecting line of a kind of high resistance to thermal deterioration and toughness, by conductor, the insulating layer being coated on outside conductor and cladding
In the restrictive coating composition outside insulating layer, it is characterised in that：
The restrictive coating is made of the raw material of following parts by weight：25 ~ 45 parts of neoprene, 20 ~ 40 parts of polytetrafluoroethylene (PTFE), horse
15 ~ 25 parts of maleic anhydride grafted polyethylene, 1 ~ 3 part of pitch, 0.5 ~ 1 part of dibasicity calcium stearate, sodium carboxymethylcellulose 0.1 ~
0.4 part, 0.8 ~ 1.6 part of ESCALOL 567,3 ~ 5 parts of titanium dioxide, polyadipate -1,4- butyl glycol ester diols 1
~ 3 parts, 1 ~ 2 part of antimony pentoxide, 0.5 ~ 1.5 part of zinc oxide, 2 ~ 4 parts of crosslinking agent, 1 ~ 2 part of assistant crosslinking agent；
The insulating layer is made of the raw material of following parts by weight：30 ~ 50 parts of maleic anhydride grafted polyethylene, tetrafluoroethene-
5 ~ 30 parts of perfluoro propyl vinyl ether copolymer 1,15 ~ 25 parts of nitrile rubber, 0.1 ~ 0.4 part of sodium carboxymethylcellulose, 2- hydroxyls-
0.8 ~ 1.6 part of 4- methoxy benzophenones, 3 ~ 5 parts of titanium dioxide, 10 ~ 15 parts of calcium carbonate, 1 ~ 2 part of antimony pentoxide, aluminium hydroxide 1
~ 3 parts, 0.5 ~ 1.5 part of zinc oxide, 2 ~ 4 parts of crosslinking agent, 1 ~ 2 part of assistant crosslinking agent.
2. the electronic connecting line of a kind of high resistance to thermal deterioration and toughness according to claim 1, it is characterised in that：Described
Crosslinking agent is cumyl peroxide and diallyl phthalate, and mass parts ratio is 3 ~ 5:1.
3. the electronic connecting line of a kind of high resistance to thermal deterioration and toughness according to claim 1, it is characterised in that：Described
Assistant crosslinking agent is trimethylol-propane trimethacrylate.
4. the electronic connecting line of a kind of high resistance to thermal deterioration and toughness according to claim 1, it is characterised in that：Described
The preparation method of restrictive coating, includes the following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By polytetrafluoroethylene (PTFE), maleic anhydride grafted polyethylene, titanium dioxide, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3
Assistant crosslinking agent is placed in kneading machine, and 3 ~ 5min is kneaded at 150 ~ 160 DEG C；
（3）Neoprene, pitch, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in
3 ~ 5min is kneaded at 150 ~ 160 DEG C；
（4）By step（2）And step（3）It obtains being kneaded material and other surplus stocks is collectively disposed in kneading machine, in 150 ~ 160
It is kneaded 3 ~ 5min at DEG C, is subsequently placed in extruding pelletization in double screw extruder；
（5）By step（4）Obtained pellet 3 ~ 4min of hot pressing at 160 ~ 170 DEG C, is then fed into baking oven, in 100 ~ 105 DEG C
20 ~ 30h of lower aging；
（6）By step（5）Obtained material is thin 3 ~ 4 times logical on a mill, and pendulum glue 3 ~ 4 times opens a slice, i.e., on calender
Obtain restrictive coating of the invention.
5. the electronic connecting line of a kind of high resistance to thermal deterioration and toughness according to claim 1, it is characterised in that：Described
The preparation method of insulating layer comprising following steps：
（1）It is on the waiting list raw material according to the parts by weight；
（2）By maleic anhydride grafted polyethylene, tetrafluoroethylene-perfluoro propyl vinyl ether copolymer, 1/2 zinc oxide, 1/3
Crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, and 3 ~ 5min is kneaded at 190 ~ 200 DEG C；
（3）Nitrile rubber, 1/2 zinc oxide, 1/3 crosslinking agent and 1/3 assistant crosslinking agent are placed in kneading machine, in 150 ~
3 ~ 5min is kneaded at 160 DEG C；
（4）Titanium dioxide, calcium carbonate, aluminium hydroxide are added in the silane coupling agent that 3 ~ 5 times of weight mass fractions are 1 ~ 3%, ultrasound
Disperse 30 ~ 40min, and fully dry, obtains filler ingredient；
（5）By step（2）, step（3）It obtains being kneaded material and step（4）Obtained filler ingredient is total with other surplus stocks
With being placed in kneading machine, it is kneaded 3 ~ 5min at 150 ~ 160 DEG C, is subsequently placed in extruding pelletization in double screw extruder；
（6）By step（5）Obtained pellet 2 ~ 3min of hot pressing at 200 ~ 210 DEG C, is then fed into baking oven, at 100 ~ 105 DEG C
20 ~ 30h of aging；
（7）By step（6）Obtained material is thin 3 ~ 4 times logical on a mill, and pendulum glue 3 ~ 4 times opens a slice, i.e., on calender
Obtain insulating layer of the invention.
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| CN201810386685.6A CN108538470A (en) | 2018-04-26 | 2018-04-26 | A kind of electronic connecting line of high resistance to thermal deterioration and toughness |
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| CN201810386685.6A CN108538470A (en) | 2018-04-26 | 2018-04-26 | A kind of electronic connecting line of high resistance to thermal deterioration and toughness |
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| CN112164490A (en) * | 2020-09-25 | 2021-01-01 | 安徽德尔电气集团有限公司 | High-strength pull-resistant cable and preparation method thereof |
| CN117467323A (en) * | 2023-12-28 | 2024-01-30 | 北京超智控信科技有限公司 | Self-curing insulating coating material for electrified railway positive feeder |
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Application publication date: 20180914 |