CN110330700A - A kind of sensor highly dense closure material and preparation method thereof - Google Patents
A kind of sensor highly dense closure material and preparation method thereof Download PDFInfo
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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Abstract
The present invention provides a kind of sensor highly dense closure material and preparation method thereof, is related to sealing material processing technique field.The sensor is made of raw material from the following weight with highly dense closure material: 28-30 parts of natural rubber, 22-24 parts of nitrile rubber, 14-16 parts of organic siliconresin, 4-5 parts of nanometer calcium carbonate, 2-4 parts of boron carbide, 3-5 parts of nanometer silicon carbide, 2-3 parts of sulphur, NP1.2-1.4 parts of antioxidant D, 0.8-1 parts of antioxidant MB, 2-3 parts of carboxyetbyl chitosan, 1-2 parts of carbon nanotube, 2-3 parts of tetraallyl ammonium bromide, 2-4 parts of zinc methacrylate, 4-5 parts of acetylene carbon black, 1-2 parts of crosslinking agent, 1-2 parts of antioxidant, 0.8-1.2 parts of dispersing agent.The present invention overcomes the deficiencies in the prior art, while guaranteeing that product has favorable elasticity, promotes its oil resistant, anti-aging, anti-deformation ability enhances its leakproofness, promote using effect, be suitable for promoting production and application.
Description
Technical field
The present invention relates to sealing material processing technique fields, and in particular to a kind of sensor highly dense closure material and its preparation
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.
Since the range of sensor detection is wider, and environment is also varied, in order to guarantee the accuracy and sensing of detection
The durability of device, generally in sensor and is both provided with sealing rubber layer in detection device, prevent ambient temperature change or
Volatile materials influences testing result, while also playing the effect of damping during transportation for instrument, promotes its safety, but
It is that general rubber packing material can be deformed aging when working under long term high temperature environment, reduces its leakproofness, serious shadow
Service life together is rung, so a energy distortion-free sealing material of high leakproofness of research is a big important directions at this stage.
Summary of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of sensor highly dense closure material and preparation method thereof, guaranteeing
While product has favorable elasticity, its oil resistant is promoted, anti-aging, anti-deformation ability enhances its leakproofness, promote using effect,
It is suitable for promoting production and application.
In order to achieve the above object, technical solution of the present invention is achieved by the following technical programs:
A kind of highly dense closure material of sensor, the sensor are made of raw material from the following weight with highly dense closure material:
28-30 parts of natural rubber, 22-24 parts of nitrile rubber, 14-16 parts of organic siliconresin, 4-5 parts of nanometer calcium carbonate, boron carbide 2-4
Part, 3-5 parts of nanometer silicon carbide, 2-3 parts of sulphur, NP1.2-1.4 parts of antioxidant D, 0.8-1 parts of antioxidant MB, carboxyetbyl chitosan
2-3 parts, 1-2 parts of carbon nanotube, 2-3 parts of tetraallyl ammonium bromide, 2-4 parts of zinc methacrylate, 4-5 parts of acetylene carbon black, crosslinking
1-2 parts of agent, 1-2 parts of antioxidant, 0.8-1.2 parts of dispersing agent.
Preferably, the crosslinking agent is methacrylic acid, paratoluensulfonyl chloride, ethylene glycol dimethacrylate, acetyl
The mixture of acetone titanium mass ratio 1: 2: 2: 1.
Preferably, the antioxidant N, it is N'- di-sec-butyl-p-phenyl enediamine, 2,4- dimethyl -6- tert-butyl phenol, thio
The mixture of dipropyl acid diester mass ratio 3: 1: 1.
Preferably, the dispersing agent be sodium tripolyphosphate, methyl anyl alcohol, lauryl sodium sulfate mass ratio 2: 1: 3 it is mixed
Close object.
The preparation method of the highly dense closure material of the sensor the following steps are included:
(1) natural rubber, nitrile rubber, organic siliconresin are mixed and carboxyetbyl chitosan, carbon nanometer, acetylene carbon black is added
Pipe mixing high temperature and high speed stirring, after in reaction kettle using ultraviolet light irradiation be slowly stirred breeding, it is standby to obtain mixed resin
With；
(2) nanometer calcium carbonate, boron carbide, nanometer silicon carbide are mixed and deionized water is added after mixing evenly, add first
Base zinc acrylate resin carries out high speed centrifugation stirring, obtains and ground 100-120 mesh after sediment is calcined, obtains mixed-powder
It is spare；
(3) by above-mentioned mixed resin be added mixed-powder, add tetraallyl ammonium bromide, dispersing agent, antioxidant in
High temperature and high speed is carried out in reaction kettle to stir evenly, and it is spare to obtain mixture；
(4) sulphur, antioxidant D NP, antioxidant MB and crosslinking agent is added in above-mentioned mixture to continue to stir in reaction kettle
After 20-25min, carries out boosting and stand 25-30min, take out extrusion molding afterwards, obtain inventive sensor with highly dense closure material.
Preferably, the revolving speed of mixing high temperature and high speed stirring is 600-700r/min, temperature 180- in the step (1)
190 DEG C, mixing time 30-40min, and being slowly stirred time for breeding is 50-60min, speed of agitator 40-60r/min.
Preferably, the revolving speed of step (2) the high speed centrifugation is 3200-3600r/min, centrifugation time 15-
18min, and the temperature of high-temperature calcination is 280-300 DEG C, calcination time 50-60min.
Preferably, the uniform temperature of step (3) the high temperature high-speed stirred is 210-220 DEG C, speed of agitator 700-
800r/min, mixing time 30-35min.
Preferably, the temperature for continuing stirring in the step (4) is 200-210 DEG C, and the revolving speed of stirring is 600-700r/
Min, the pressure for standing of boosting are 12-14MPa.
The present invention provides a kind of sensor highly dense closure material and preparation method thereof, and advantage is compared with prior art:
(1) present invention uses natural rubber, nitrile rubber, organic siliconresin for product base, and sealing material is effectively ensured
Fundamental mechanics performance, and by natural rubber, nitrile rubber, organic siliconresin mix be added carboxyetbyl chitosan, carbon nanometer,
Acetylene carbon black pipe carries out high-temperature stirring, and the lower stirring of ultraviolet light irradiation is bred, and effectively promotes the toughness and later period vulcanization of product
Effect enhances the non-deformability of product.
(2) present invention also be added with nanometer calcium carbonate, boron carbide, nanometer silicon carbide, and mixed methyl zinc acrylate resin into
It is calcined after row centrifugation, is effectively mixed each substance, promote the stability of product, and effectively enhancing produces after each material mixing
The oil resistance of product promotes its using effect.
(3) present invention be added with tetraallyl ammonium bromide, dispersing agent, antioxidant, and using sulphur, antioxidant D NP,
Antioxidant MB is vulcanized, and the elasticity of resulting materials is promoted, and effectivelying prevent product to be heated, deformation occurs, promotes its sealing effect.
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 highly dense closure material of sensor, the sensor are made of raw material from the following weight with highly dense closure material:
28 parts of natural rubber, 22 parts of nitrile rubber, 14 parts of organic siliconresin, 4 parts of nanometer calcium carbonate, 2 parts of boron carbide, nanometer silicon carbide 3
Part, 2 parts of sulphur, NP1.2 parts of antioxidant D, 0.8 part of antioxidant MB, 2 parts of carboxyetbyl chitosan, 1 part of carbon nanotube, tetraallyl
2 parts of ammonium bromide, 2 parts of zinc methacrylate, 4 parts of acetylene carbon black, 1 part of crosslinking agent, 1 part of antioxidant, 0.8 part of dispersing agent.
The crosslinking agent is methacrylic acid, paratoluensulfonyl chloride, ethylene glycol dimethacrylate, titanium acetylacetone matter
Amount compares 1: 2: 2: 1 mixture；The antioxidant N, N'- di-sec-butyl-p-phenyl enediamine, 2,4- dimethyl -6- tert-butyl benzene
The mixture of phenol, thio-2 acid dibasic acid esters mass ratio 3: 1: 1；The dispersing agent is sodium tripolyphosphate, methyl anyl alcohol, dodecyl
Mixture of the sodium sulfate quality than 2: 1: 3.
The preparation method of the highly dense closure material of the sensor the following steps are included:
(1) natural rubber, nitrile rubber, organic siliconresin are mixed and carboxyetbyl chitosan, carbon nanometer, acetylene carbon black is added
Pipe mixing high temperature and high speed stirring, after in reaction kettle using ultraviolet light irradiation be slowly stirred breeding, it is standby to obtain mixed resin
With；
(2) nanometer calcium carbonate, boron carbide, nanometer silicon carbide are mixed and deionized water is added after mixing evenly, add first
Base zinc acrylate resin carries out high speed centrifugation stirring, obtains and ground 100-120 mesh after sediment is calcined, obtains mixed-powder
It is spare；
(3) by above-mentioned mixed resin be added mixed-powder, add tetraallyl ammonium bromide, dispersing agent, antioxidant in
High temperature and high speed is carried out in reaction kettle to stir evenly, and it is spare to obtain mixture；
(4) sulphur, antioxidant D NP, antioxidant MB and crosslinking agent is added in above-mentioned mixture to continue to stir in reaction kettle
After 20-25min, carries out boosting and stand 25-30min, take out extrusion molding afterwards, obtain inventive sensor with highly dense closure material.
Wherein, the revolving speed of mixing high temperature and high speed stirring is 600-700r/min, temperature 180-190 in the step (1)
DEG C, mixing time 30-40min, and being slowly stirred time for breeding is 50-60min, speed of agitator 40-60r/min；Institute
The revolving speed that step (2) high speed is centrifuged is stated as 3200-3600r/min, centrifugation time 15-18min, and the temperature of high-temperature calcination
It is 280-300 DEG C, calcination time 50-60min；The uniform temperature of step (3) the high temperature high-speed stirred is 210-220
DEG C, speed of agitator 700-800r/min, mixing time 30-35min；Continue in the step (4) stirring temperature be
200-210 DEG C, the revolving speed of stirring is 600-700r/min, and the pressure for standing of boosting is 12-14MPa.
Embodiment 2:
A kind of highly dense closure material of sensor, the sensor are made of raw material from the following weight with highly dense closure material:
30 parts of natural rubber, 24 parts of nitrile rubber, 16 parts of organic siliconresin, 5 parts of nanometer calcium carbonate, 4 parts of boron carbide, nanometer silicon carbide 5
Part, 3 parts of sulphur, NP1.4 parts of antioxidant D, 1 part of antioxidant MB, 3 parts of carboxyetbyl chitosan, 2 parts of carbon nanotube, tetraallyl bromine
Change 3 parts of ammonium, 4 parts of zinc methacrylate, 5 parts of acetylene carbon black, 2 parts of crosslinking agent, 2 parts of antioxidant, 1.2 parts of dispersing agent.
The crosslinking agent is methacrylic acid, paratoluensulfonyl chloride, ethylene glycol dimethacrylate, titanium acetylacetone matter
Amount compares 1: 2: 2: 1 mixture；The antioxidant N, N'- di-sec-butyl-p-phenyl enediamine, 2,4- dimethyl -6- tert-butyl benzene
The mixture of phenol, thio-2 acid dibasic acid esters mass ratio 3: 1: 1；The dispersing agent is sodium tripolyphosphate, methyl anyl alcohol, dodecyl
Mixture of the sodium sulfate quality than 2: 1: 3.
The preparation method of the highly dense closure material of the sensor the following steps are included:
(1) natural rubber, nitrile rubber, organic siliconresin are mixed and carboxyetbyl chitosan, carbon nanometer, acetylene carbon black is added
Pipe mixing high temperature and high speed stirring, after in reaction kettle using ultraviolet light irradiation be slowly stirred breeding, it is standby to obtain mixed resin
With；
(2) nanometer calcium carbonate, boron carbide, nanometer silicon carbide are mixed and deionized water is added after mixing evenly, add first
Base zinc acrylate resin carries out high speed centrifugation stirring, obtains and ground 100-120 mesh after sediment is calcined, obtains mixed-powder
It is spare；
(3) by above-mentioned mixed resin be added mixed-powder, add tetraallyl ammonium bromide, dispersing agent, antioxidant in
High temperature and high speed is carried out in reaction kettle to stir evenly, and it is spare to obtain mixture；
(4) sulphur, antioxidant D NP, antioxidant MB and crosslinking agent is added in above-mentioned mixture to continue to stir in reaction kettle
After 20-25min, carries out boosting and stand 25-30min, take out extrusion molding afterwards, obtain inventive sensor with highly dense closure material.
Wherein, the revolving speed of mixing high temperature and high speed stirring is 600-700r/min, temperature 180-190 in the step (1)
DEG C, mixing time 30-40min, and being slowly stirred time for breeding is 50-60min, speed of agitator 40-60r/min；Institute
The revolving speed that step (2) high speed is centrifuged is stated as 3200-3600r/min, centrifugation time 15-18min, and the temperature of high-temperature calcination
It is 280-300 DEG C, calcination time 50-60min；The uniform temperature of step (3) the high temperature high-speed stirred is 210-220
DEG C, speed of agitator 700-800r/min, mixing time 30-35min；Continue in the step (4) stirring temperature be
200-210 DEG C, the revolving speed of stirring is 600-700r/min, and the pressure for standing of boosting is 12-14MPa.
Embodiment 3:
A kind of highly dense closure material of sensor, the sensor are made of raw material from the following weight with highly dense closure material:
29 parts of natural rubber, 23 parts of nitrile rubber, 15 parts of organic siliconresin, 4.5 parts of nanometer calcium carbonate, 3 parts of boron carbide, nanometer silicon carbide
4 parts, 2.5 parts of sulphur, NP1.3 parts of antioxidant D, 0.9 part of antioxidant MB, 2.5 parts of carboxyetbyl chitosan, 1.5 parts of carbon nanotube, four
2.5 parts of allylic bromination ammonium, 3 parts of zinc methacrylate, 4.5 parts of acetylene carbon black, 1.5 parts of crosslinking agent, antioxidant 1.5 part, point
1 part of powder.
The crosslinking agent is methacrylic acid, paratoluensulfonyl chloride, ethylene glycol dimethacrylate, titanium acetylacetone matter
Amount compares 1: 2: 2: 1 mixture；The antioxidant N, N'- di-sec-butyl-p-phenyl enediamine, 2,4- dimethyl -6- tert-butyl benzene
The mixture of phenol, thio-2 acid dibasic acid esters mass ratio 3: 1: 1；The dispersing agent is sodium tripolyphosphate, methyl anyl alcohol, dodecyl
Mixture of the sodium sulfate quality than 2: 1: 3.
The preparation method of the highly dense closure material of the sensor the following steps are included:
(1) natural rubber, nitrile rubber, organic siliconresin are mixed and carboxyetbyl chitosan, carbon nanometer, acetylene carbon black is added
Pipe mixing high temperature and high speed stirring, after in reaction kettle using ultraviolet light irradiation be slowly stirred breeding, it is standby to obtain mixed resin
With；
(2) nanometer calcium carbonate, boron carbide, nanometer silicon carbide are mixed and deionized water is added after mixing evenly, add first
Base zinc acrylate resin carries out high speed centrifugation stirring, obtains and ground 100-120 mesh after sediment is calcined, obtains mixed-powder
It is spare；
(3) by above-mentioned mixed resin be added mixed-powder, add tetraallyl ammonium bromide, dispersing agent, antioxidant in
High temperature and high speed is carried out in reaction kettle to stir evenly, and it is spare to obtain mixture；
(4) sulphur, antioxidant D NP, antioxidant MB and crosslinking agent is added in above-mentioned mixture to continue to stir in reaction kettle
After 20-25min, carries out boosting and stand 25-30min, take out extrusion molding afterwards, obtain inventive sensor with highly dense closure material.
Wherein, the revolving speed of mixing high temperature and high speed stirring is 600-700r/min, temperature 180-190 in the step (1)
DEG C, mixing time 30-40min, and being slowly stirred time for breeding is 50-60min, speed of agitator 40-60r/min；Institute
The revolving speed that step (2) high speed is centrifuged is stated as 3200-3600r/min, centrifugation time 15-18min, and the temperature of high-temperature calcination
It is 280-300 DEG C, calcination time 50-60min；The uniform temperature of step (3) the high temperature high-speed stirred is 210-220
DEG C, speed of agitator 700-800r/min, mixing time 30-35min；Continue in the step (4) stirring temperature be
200-210 DEG C, the revolving speed of stirring is 600-700r/min, and the pressure for standing of boosting is 12-14MPa.
Embodiment 4:
Detect the properties of above-described embodiment 1-3 products obtained therefrom:
(1) choosing above-described embodiment 1-3 products obtained therefrom is that experimental group 1-3 detects material, and common nitrile rubber is control group
Detect material；
(2) above-mentioned each group material conventional detection, hot steam detection, artificial ageing detection and oil resistance is carried out to detect,
As a result as shown in the table:
As seen from the above table, the product of present invention institute is suitable for pushing away with the performances such as good anti-aging, resistance to hot steam, oil resistant
It is wide to use.
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 (9)
1. a kind of highly dense closure material of sensor, which is characterized in that the sensor is with highly dense closure material by following parts by weight
Raw material is made: 28-30 parts of natural rubber, 22-24 parts of nitrile rubber, 14-16 parts of organic siliconresin, 4-5 parts of nanometer calcium carbonate, carbon
Change boron 2-4 parts, 3-5 parts of nanometer silicon carbide, 2-3 parts of sulphur, NP1.2-1.4 parts of antioxidant D, 0.8-1 parts of antioxidant MB, carboxyethyl
2-3 parts of chitosan, 1-2 parts of carbon nanotube, 2-3 parts of tetraallyl ammonium bromide, 2-4 parts of zinc methacrylate, acetylene carbon black 4-5
Part, 1-2 parts of crosslinking agent, 1-2 parts of antioxidant, 0.8-1.2 parts of dispersing agent.
2. a kind of highly dense closure material of sensor according to claim 1, it is characterised in that: the crosslinking agent is methyl-prop
Olefin(e) acid, paratoluensulfonyl chloride, ethylene glycol dimethacrylate, titanium acetylacetone mass ratio 1: 2: 2: 1 mixture.
3. a kind of highly dense closure material of sensor according to claim 1, it is characterised in that: the antioxidant N, N'-
Di-sec-butyl-p-phenyl enediamine, 2,4- dimethyl -6- tert-butyl phenol, thio-2 acid dibasic acid esters mass ratio 3: 1: 1 mixture.
4. a kind of highly dense closure material of sensor according to claim 1, it is characterised in that: the dispersing agent is trimerization phosphorus
Sour sodium, methyl anyl alcohol, lauryl sodium sulfate mass ratio 2: 1: 3 mixture.
5. a kind of sensor preparation method of highly dense closure material, it is characterised in that: the system of the highly dense closure material of the sensor
Preparation Method the following steps are included:
(1) natural rubber, nitrile rubber, organic siliconresin addition carboxyetbyl chitosan, carbon nanometer, acetylene carbon black pipe is mixed to mix
Close high temperature and high speed stirring, after in reaction kettle using ultraviolet light irradiation be slowly stirred breeding, it is spare to obtain mixed resin；
(2) nanometer calcium carbonate, boron carbide, nanometer silicon carbide are mixed and deionized water is added after mixing evenly, add methyl-prop
Olefin(e) acid zinc carries out high speed centrifugation stirring, obtains and ground 100-120 mesh after sediment is calcined, it is standby to obtain mixed-powder
With；
(3) mixed-powder is added in above-mentioned mixed resin, adds tetraallyl ammonium bromide, dispersing agent, antioxidant in reaction
High temperature and high speed is carried out in kettle to stir evenly, and it is spare to obtain mixture；
(4) sulphur, antioxidant D NP, antioxidant MB and crosslinking agent is added in above-mentioned mixture to continue to stir 20- in reaction kettle
After 25min, carries out boosting and stand 25-30min, take out extrusion molding afterwards, obtain inventive sensor with highly dense closure material.
6. a kind of preparation method of the highly dense closure material of sensor according to claim 5, it is characterised in that: the step
(1) revolving speed of mixing high temperature and high speed stirring is 600-700r/min in, and temperature is 180-190 DEG C, mixing time 30-40min,
And being slowly stirred time for breeding is 50-60min, speed of agitator 40-60r/min.
7. a kind of preparation method of the highly dense closure material of sensor according to claim 5, it is characterised in that: the step
(2) revolving speed of high speed centrifugation is 3200-3600r/min, centrifugation time 15-18min, and the temperature of high-temperature calcination is 280-
300 DEG C, calcination time 50-60min.
8. a kind of preparation method of the highly dense closure material of sensor according to claim 5, it is characterised in that: the step
(3) the uniform temperature of high temperature high-speed stirred is 210-220 DEG C, speed of agitator 700-800r/min, mixing time 30-
35min。
9. a kind of preparation method of the highly dense closure material of sensor according to claim 5, it is characterised in that: the step
(4) temperature for continuing stirring in is 200-210 DEG C, and the revolving speed of stirring is 600-700r/min, and the pressure for standing of boosting is 12-
14MPa。
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