CN110317413A - A kind of sensor insulating materials and preparation method thereof - Google Patents
A kind of sensor insulating materials and preparation method thereof Download PDFInfo
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- CN110317413A CN110317413A CN201910479617.9A CN201910479617A CN110317413A CN 110317413 A CN110317413 A CN 110317413A CN 201910479617 A CN201910479617 A CN 201910479617A CN 110317413 A CN110317413 A CN 110317413A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention provides a kind of sensor insulating materials and preparation method thereof, is related to sensor production technical field.The insulating materials is made of raw material from the following weight: 40-50 parts of ethylene propylene diene rubber, 15-20 parts of silicon rubber, 8-12 parts of polyimides, 6-8 parts of 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl) 4-6 parts of ethers, 2-4 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) 7-9 parts of methane, thio-2 acid double 5-7 parts of octadecyl, 3-5 parts of 2,6-di-tert-butyl p-cresol, 2-4 parts of vulcanizing agent, 1-3 parts of stabilizer, 2-4 parts of dispersing agents.The present invention overcomes the deficiencies in the prior art, the insulation effect of insulating materials can not only be effectively improved, situations such as preventing sensor from electric leakage or short circuit occurs, sensor detection accuracy is high, highly-safe, moreover it is possible to effectively improve its anti-aging property, prevent its by light, heat, oxygen influence and aging occurs, excellent, the long service life of insulation integrity energy, is suitable for promoting.
Description
Technical field
The present invention relates to sensor production technical fields, and in particular to a kind of sensor insulating materials and its preparation side
Method.
Background technique
Sensor (English name: transducer/sensor) is a kind of detection device, can experience measured letter
Breath, and the information that can will be experienced are for conversion into electric signal or the information output of other required forms, according to certain rules to meet
The requirement such as transmission, processing, storage, display, record and control of information.The characteristics of sensor includes: micromation, digitlization, intelligence
Energyization, multifunction, systematization, networking.It is to realize the automatic primary link detected and automatically control.The presence of sensor
And development, it allows object to have the sense organs such as tactile, taste and smell, object is allowed slowly to become to have lived.It is basic generally according to it
Perceptional function is divided into temperature-sensitive element, light-sensitive element, gas sensor, force sensing element, magneto sensor, dew cell, acoustic sensor, puts
Ten major class such as radiation sensor, color sensor and the quick element of taste.
The inside of sensor is typically provided with insulating materials, but the formula composition and production technology of insulating materials do not conform at present
Reason, causes its insulation effect poor.Situations such as electric leakage or short circuit easily occur in this way in the use process of sensor, leads to it
He generates electric current by component even metal shell, not only reduces the detection accuracy of sensor, also reduces its safety in utilization.Cause
This, a kind of sensor is the hot spot of researchers' research with insulating materials.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of sensor insulating materials and preparation method thereof, the present invention gram
The deficiencies in the prior art have been taken, the insulation effect of insulating materials can not only be effectively improved, have prevented sensor from electric leakage or short circuit occurs
Situations such as, sensor detection accuracy is high, highly-safe, moreover it is possible to effectively improve its anti-aging property, prevent it by light, heat, oxygen
Influence and aging occurs, insulation integrity can excellent, long service life, be suitable for promote.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of sensor insulating materials, the insulating materials are made of raw material from the following weight: ethylene propylene diene rubber
40-50 parts, 15-20 parts of silicon rubber, 8-12 parts of polyimides, 6-8 parts of 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- bis-
Phenyl phosphorus phenyl) 4-6 parts of ether, 2-4 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminobenzenes
Base) 7-9 parts of methane, double 5-7 part of the octadecyl of thio-2 acid, 3-5 parts of 2,6-di-tert-butyl p-cresol, 2-4 parts of vulcanizing agent, surely
Determine 1-3 parts of agent, 2-4 parts of dispersing agent.
Preferably, the insulating materials is made of raw material from the following weight: 45 parts of ethylene propylene diene rubber, silicon rubber 17.5
Part, 10 parts of polyimides, 7 parts of 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl) 5 parts of ethers, dodecane
The double octadecyl alcolols of 3 parts of yl diphenyl ether sodium disulfonate, bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) 8 parts of methane, thio-2 acid
6 parts of ester, 4 parts of 2,6-di-tert-butyl p-cresol, 3 parts of vulcanizing agent, 2 parts of stabilizer, 3 parts of dispersing agent.
Preferably, the vulcanizing agent is one of cumyl peroxide, methyl ethyl ketone peroxide and cyclohexanone peroxide
Or it is a variety of.
Preferably, the stabilizer is in phthalic acid ester, propylene glycol methyl ether acetate and n,N dimethylformamide
It is one or more.
Preferably, the dispersing agent is in lauryl sodium sulfate, triethyl group hexyl phosphoric acid and polyvinylpyrrolidone
It is one or more.
The preparation method of the insulating materials the following steps are included:
(1) ethylene propylene diene rubber and silicon rubber are mixed and is added in rubber mixing machine, be first warming up to 140-160 DEG C, heat preservation melting
It is warming up to 200-220 DEG C after 1-2h, then keeps the temperature and is kneaded 2-3h to obtain base-material spare；
(2) by polyimides, 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl) ethers and dodecane
It is added in autoclave after the mixing of yl diphenyl ether sodium disulfonate, is warming up to 180-200 DEG C, heat preservation is passed through argon gas after being kneaded 1-2h and rises
It is depressed into 10-12MPa, restores after the modified 30-40min of pressure maintaining to normal pressure, then keep the temperature and stand 2-3h to obtain modified materials spare；
(3) will be bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) methane, the double octadecyls and 2 of thio-2 acid, 6- bis-
Butylated Hydroxytoluene mixing, which is added in ultrasonic vibration instrument, carries out concussion homogeneous, is warming up to 150-170 DEG C, ultrasonic vibration 30-40min
It is spare to obtain homogeneous material；
(4) modified materials obtained and homogeneous material are sequentially added in the rubber mixing machine in above-mentioned steps (1), adds vulcanization
Agent, stabilizer and dispersing agent, heat preservation are passed through argon gas and boost to 8-10MPa after being kneaded 3-5h, restore after pressure maintaining infiltration 1-2h to
Normal pressure, rear heat preservation stand 2-3h and obtain raw material for standby；
(5) raw material obtained is squeezed into and carries out injection molding in molding machine, rear cooled to room temperature obtains product.
Preferably, for the revolving speed of adjustment rubber mixing machine to 130-150r/min, step (2) is middle to adjust high pressure in the step (1)
The revolving speed of kettle is to 140-160r/min.
Preferably, the frequency of ultrasonic vibration instrument is 20-30kHz in the step (3), and the ultrasonic sound intensity is 2-3W/cm2。
The present invention provides a kind of sensor insulating materials and preparation method thereof, and advantage is compared with prior art:
(1) present invention makes each group using ethylene propylene diene rubber and silicon rubber as base-material by way of secondary temperature elevation
Split-phase mutually merges, and effectively improves the overall performance of insulating materials, and insulation integrity can be excellent, is suitable for promoting；
(2) present invention is added with polyimides, 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl)
Ether and disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, by making each component carry out mixed and modified under high-temperature and high-pressure conditions and mutually melting
It closes, the insulation effect of insulating materials can be effectively improved, and then promote the detection accuracy and safety in utilization of sensor, prevent from passing
Situations such as electric leakage or short circuit, occurs when in use for sensor, and insulating materials insulation effect is good, is easy to use；
(3) present invention is also added with bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) methane, thio-2 acid double 18
Alcohol ester and 2,6-di-tert-butyl p-cresol are uniformly mixed each component by way of carrying out concussion homogeneous to it, can be effective
Improve insulating materials anti-aging property, prevent its in use by light, heat, oxygen influence and aging occurs, in turn
Reduce its insulation effect, insulating materials long service life, using effect is good.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below with reference to the embodiment of the present invention pair
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of sensor insulating materials, the insulating materials are made of raw material from the following weight: ethylene propylene diene rubber
40 parts, 15 parts of silicon rubber, 8 parts of polyimides, 6 parts of 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl)
4 parts of ether, 2 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) 7 parts of methane, thio two
Propionic acid double 5 parts of octadecyl, 3 parts of 2,6-di-tert-butyl p-cresol, 2 parts of vulcanizing agent, 1 part of stabilizer, 2 parts of dispersing agents.
Wherein, the vulcanizing agent be one of cumyl peroxide, methyl ethyl ketone peroxide and cyclohexanone peroxide or
It is a variety of；The stabilizer is one of phthalic acid ester, propylene glycol methyl ether acetate and n,N dimethylformamide or more
Kind；The dispersing agent is one of lauryl sodium sulfate, triethyl group hexyl phosphoric acid and polyvinylpyrrolidone or a variety of.
The preparation method of the insulating materials the following steps are included:
(1) ethylene propylene diene rubber and silicon rubber are mixed and is added in rubber mixing machine, be first warming up to 140-160 DEG C, heat preservation melting
It is warming up to 200-220 DEG C after 1-2h, then keeps the temperature and is kneaded 2-3h to obtain base-material spare；
(2) by polyimides, 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl) ethers and dodecane
It is added in autoclave after the mixing of yl diphenyl ether sodium disulfonate, is warming up to 180-200 DEG C, heat preservation is passed through argon gas after being kneaded 1-2h and rises
It is depressed into 10-12MPa, restores after the modified 30-40min of pressure maintaining to normal pressure, then keep the temperature and stand 2-3h to obtain modified materials spare；
(3) will be bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) methane, the double octadecyls and 2 of thio-2 acid, 6- bis-
Butylated Hydroxytoluene mixing, which is added in ultrasonic vibration instrument, carries out concussion homogeneous, is warming up to 150-170 DEG C, ultrasonic vibration 30-40min
It is spare to obtain homogeneous material；
(4) modified materials obtained and homogeneous material are sequentially added in the rubber mixing machine in above-mentioned steps (1), adds vulcanization
Agent, stabilizer and dispersing agent, heat preservation are passed through argon gas and boost to 8-10MPa after being kneaded 3-5h, restore after pressure maintaining infiltration 1-2h to
Normal pressure, rear heat preservation stand 2-3h and obtain raw material for standby；
(5) raw material obtained is squeezed into and carries out injection molding in molding machine, rear cooled to room temperature obtains product.
Wherein, for the revolving speed of adjustment rubber mixing machine to 130-150r/min, step (2) is middle to adjust autoclave in the step (1)
Revolving speed to 140-160r/min；The frequency of ultrasonic vibration instrument is 20-30kHz in the step (3), and the ultrasonic sound intensity is 2-3W/
cm2。
Embodiment 2:
A kind of sensor insulating materials, the insulating materials are made of raw material from the following weight: ethylene propylene diene rubber
45 parts, 17.5 parts of silicon rubber, 10 parts of polyimides, 7 parts of 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine benzene
Base) 5 parts of ether, 3 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) 8 parts of methane, sulphur
For dipropionic acid double 6 parts of octadecyl, 4 parts of 2,6-di-tert-butyl p-cresol, 3 parts of vulcanizing agent, 2 parts of stabilizer, 3 parts of dispersing agents.
Wherein, the vulcanizing agent be one of cumyl peroxide, methyl ethyl ketone peroxide and cyclohexanone peroxide or
It is a variety of；The stabilizer is one of phthalic acid ester, propylene glycol methyl ether acetate and n,N dimethylformamide or more
Kind；The dispersing agent is one of lauryl sodium sulfate, triethyl group hexyl phosphoric acid and polyvinylpyrrolidone or a variety of.
The preparation method of the insulating materials the following steps are included:
(1) ethylene propylene diene rubber and silicon rubber are mixed and is added in rubber mixing machine, be first warming up to 140-160 DEG C, heat preservation melting
It is warming up to 200-220 DEG C after 1-2h, then keeps the temperature and is kneaded 2-3h to obtain base-material spare；
(2) by polyimides, 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl) ethers and dodecane
It is added in autoclave after the mixing of yl diphenyl ether sodium disulfonate, is warming up to 180-200 DEG C, heat preservation is passed through argon gas after being kneaded 1-2h and rises
It is depressed into 10-12MPa, restores after the modified 30-40min of pressure maintaining to normal pressure, then keep the temperature and stand 2-3h to obtain modified materials spare；
(3) will be bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) methane, the double octadecyls and 2 of thio-2 acid, 6- bis-
Butylated Hydroxytoluene mixing, which is added in ultrasonic vibration instrument, carries out concussion homogeneous, is warming up to 150-170 DEG C, ultrasonic vibration 30-40min
It is spare to obtain homogeneous material；
(4) modified materials obtained and homogeneous material are sequentially added in the rubber mixing machine in above-mentioned steps (1), adds vulcanization
Agent, stabilizer and dispersing agent, heat preservation are passed through argon gas and boost to 8-10MPa after being kneaded 3-5h, restore after pressure maintaining infiltration 1-2h to
Normal pressure, rear heat preservation stand 2-3h and obtain raw material for standby；
(5) raw material obtained is squeezed into and carries out injection molding in molding machine, rear cooled to room temperature obtains product.
Wherein, for the revolving speed of adjustment rubber mixing machine to 130-150r/min, step (2) is middle to adjust autoclave in the step (1)
Revolving speed to 140-160r/min；The frequency of ultrasonic vibration instrument is 20-30kHz in the step (3), and the ultrasonic sound intensity is 2-3W/
cm2。
Embodiment 3:
A kind of sensor insulating materials, the insulating materials are made of raw material from the following weight: ethylene propylene diene rubber
50 parts, 20 parts of silicon rubber, 12 parts of polyimides, 8 parts of 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl)
6 parts of ether, 4 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) 9 parts of methane, thio two
Propionic acid double 7 parts of octadecyl, 5 parts of 2,6-di-tert-butyl p-cresol, 4 parts of vulcanizing agent, 3 parts of stabilizer, 4 parts of dispersing agents.
Wherein, the vulcanizing agent be one of cumyl peroxide, methyl ethyl ketone peroxide and cyclohexanone peroxide or
It is a variety of；The stabilizer is one of phthalic acid ester, propylene glycol methyl ether acetate and n,N dimethylformamide or more
Kind；The dispersing agent is one of lauryl sodium sulfate, triethyl group hexyl phosphoric acid and polyvinylpyrrolidone or a variety of.
The preparation method of the insulating materials the following steps are included:
(1) ethylene propylene diene rubber and silicon rubber are mixed and is added in rubber mixing machine, be first warming up to 140-160 DEG C, heat preservation melting
It is warming up to 200-220 DEG C after 1-2h, then keeps the temperature and is kneaded 2-3h to obtain base-material spare；
(2) by polyimides, 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl) ethers and dodecane
It is added in autoclave after the mixing of yl diphenyl ether sodium disulfonate, is warming up to 180-200 DEG C, heat preservation is passed through argon gas after being kneaded 1-2h and rises
It is depressed into 10-12MPa, restores after the modified 30-40min of pressure maintaining to normal pressure, then keep the temperature and stand 2-3h to obtain modified materials spare；
(3) will be bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) methane, the double octadecyls and 2 of thio-2 acid, 6- bis-
Butylated Hydroxytoluene mixing, which is added in ultrasonic vibration instrument, carries out concussion homogeneous, is warming up to 150-170 DEG C, ultrasonic vibration 30-40min
It is spare to obtain homogeneous material；
(4) modified materials obtained and homogeneous material are sequentially added in the rubber mixing machine in above-mentioned steps (1), adds vulcanization
Agent, stabilizer and dispersing agent, heat preservation are passed through argon gas and boost to 8-10MPa after being kneaded 3-5h, restore after pressure maintaining infiltration 1-2h to
Normal pressure, rear heat preservation stand 2-3h and obtain raw material for standby；
(5) raw material obtained is squeezed into and carries out injection molding in molding machine, rear cooled to room temperature obtains product.
Wherein, for the revolving speed of adjustment rubber mixing machine to 130-150r/min, step (2) is middle to adjust autoclave in the step (1)
Revolving speed to 140-160r/min；The frequency of ultrasonic vibration instrument is 20-30kHz in the step (3), and the ultrasonic sound intensity is 2-3W/
cm2。
Embodiment 4:
Detect the insulation effect of sensor insulating materials in common on the market sensor insulating materials and embodiment 1-3
Fruit and anti-aging property, specific detecting step are as follows:
(1) control group is set with insulating materials by sensor common on the market, sensor insulate in embodiment 1-3
Material is set as experimental group 1-3, and the size of sample for preparing control group and experimental group insulating materials is 1 × 1 × 0.1cm, often
Group sample is equipped with 2；
(2) each 1, every group of insulating materials sample is first taken, keeping environment temperature is 23 DEG C, is examined using high resistance tester method
It surveys the volume resistivity (Ω cm) of each insulating materials and is recorded；
(3) every group of insulating materials each 1 is taken again, using WEB-9000B rubber every group of insulating materials of pull test machine testing
In tensile strength (MPa) before aging, then the revolution horse that is suspended in heated oven, setting heating temperature is 70 DEG C,
It is taken out after aging 72h, the tensile strength (MPa) after detecting its aging is simultaneously recorded.
Its testing result is as shown in the table:
As seen from the above table, due to its volume resistivity highest of the insulating materials of experimental group 2, and its tensile strength after aging
Also highest, thus insulating materials obtained by embodiment 2 insulation and anti-aging property it is best.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of sensor insulating materials, which is characterized in that the insulating materials is made of raw material from the following weight: ternary
40-50 parts of EP rubbers, 15-20 parts of silicon rubber, 8-12 parts of polyimides, 6-8 parts of 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid,
Bis- (2- diphenylphosphine phenyl) 4-6 parts of ethers, 2-4 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, bis- (N, N- dimethylhydrazine phosphinylidyne -4-
Aminophenyl) 7-9 parts of methane, thio-2 acid double 5-7 parts of octadecyls, 3-5 parts of 2,6-di-tert-butyl p-cresol, vulcanizing agent 2-
4 parts, 1-3 parts of stabilizer, 2-4 parts of dispersing agent.
2. a kind of sensor insulating materials according to claim 1, which is characterized in that the insulating materials is by following heavy
The raw material of amount part is made: 45 parts of ethylene propylene diene rubber, 17.5 parts of silicon rubber, 10 parts of polyimides, 4- hydroxyl -8- methoxyl group quinoline
7 parts of quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl) 5 parts of ethers, 3 parts of disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, bis- (N, N- dimethyl
Hydrazine phosphinylidyne -4- aminophenyl) 8 parts of methane, double 6 parts of the octadecyls of thio-2 acid, 4 parts of 2,6-di-tert-butyl p-cresol, vulcanization
3 parts of agent, 2 parts of stabilizer, 3 parts of dispersing agent.
3. a kind of sensor insulating materials according to claim 1, which is characterized in that the vulcanizing agent is peroxidating two
One of isopropylbenzene, methyl ethyl ketone peroxide and cyclohexanone peroxide are a variety of.
4. a kind of sensor insulating materials according to claim 1, which is characterized in that the stabilizer is O-phthalic
One of acid esters, propylene glycol methyl ether acetate and n,N dimethylformamide are a variety of.
5. a kind of sensor insulating materials according to claim 1, which is characterized in that the dispersing agent is dodecyl
One of sodium sulphate, triethyl group hexyl phosphoric acid and polyvinylpyrrolidone are a variety of.
6. a kind of preparation method of sensor insulating materials, which is characterized in that the preparation method of the insulating materials include with
Lower step:
(1) ethylene propylene diene rubber and silicon rubber are mixed and is added in rubber mixing machine, be first warming up to 140-160 DEG C, heat preservation melting 1-2h
After be warming up to 200-220 DEG C, then keep the temperature and be kneaded 2-3h to obtain base-material spare；
(2) by polyimides, 4- hydroxyl -8- methoxy quinoline -3- carboxylic acid, bis- (2- diphenylphosphine phenyl) ethers and dodecyl two
It is added in autoclave after the mixing of phenylate sodium disulfonate, is warming up to 180-200 DEG C, heat preservation is passed through argon gas after being kneaded 1-2h and boosts to
Restore after 10-12MPa, the modified 30-40min of pressure maintaining to normal pressure, then keeps the temperature and stand 2-3h to obtain modified materials spare；
(3) will be bis- (N, N- dimethylhydrazine phosphinylidyne -4- aminophenyl) methane, the double octadecyls and 2 of thio-2 acid, the tertiary fourth of 6- bis-
The mixing of base paracresol, which is added in ultrasonic vibration instrument, carries out concussion homogeneous, is warming up to 150-170 DEG C, ultrasonic vibration 30-40min is obtained
Material is spare；
(4) modified materials obtained and homogeneous material are sequentially added in the rubber mixing machine in above-mentioned steps (1), adds vulcanizing agent, steady
Determine agent and dispersing agent, heat preservation is passed through argon gas after being kneaded 3-5h and boosts to 8-10MPa, and pressure maintaining restores after permeating 1-2h to normal pressure,
Heat preservation stands 2-3h and obtains raw material for standby afterwards；
(5) raw material obtained is squeezed into and carries out injection molding in molding machine, rear cooled to room temperature obtains product.
7. a kind of preparation method of sensor insulating materials according to claim 6, which is characterized in that the step
(1) revolving speed of adjustment rubber mixing machine is to 130-150r/min in, and the revolving speed of adjustment autoclave is to 140-160r/min in step (2).
8. a kind of preparation method of sensor insulating materials according to claim 6, which is characterized in that the step
(3) frequency of ultrasonic vibration instrument is 20-30kHz in, and the ultrasonic sound intensity is 2-3W/cm2。
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| CN201910479617.9A CN110317413A (en) | 2019-06-04 | 2019-06-04 | A kind of sensor insulating materials and preparation method thereof |
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| CN103980619A (en) * | 2014-02-26 | 2014-08-13 | 中广核三角洲（江苏）塑化有限公司 | Low-smoke halogen-free flame-retardation insulation material for class 1E category K1 cables of nuclear power station |
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