CN108530899A - High tenacity electric silica gel manufacturing process - Google Patents
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- CN108530899A CN108530899A CN201810244557.8A CN201810244557A CN108530899A CN 108530899 A CN108530899 A CN 108530899A CN 201810244557 A CN201810244557 A CN 201810244557A CN 108530899 A CN108530899 A CN 108530899A
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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
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
The present invention discloses a kind of high tenacity electric silica gel manufacturing process, includes following steps：（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and tin plating graphite powder and silicone oil mixing are formed into material B；（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:0.5 0.8 ratio, which is added in planetary stirring machine, to be uniformly mixed；（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation；（4）Solidification：Cure 15 hours at 145 160 DEG C, obtains high tenacity electric silica gel.The electric silica gel being prepared by using the method for the present invention, impedance value have dropped 40% or more with respect to conventional conductive silica gel, have better electric conductivity, and, its toughness improves 55% or more with respect to conventional conductive silica gel, has better toughness, meets the requirement used.
Description
Technical field
The present invention relates to silica gel field technologies, refer in particular to a kind of high tenacity electric silica gel manufacturing process.
Background technology
In recent years, with the high speed development of electronic technology especially microelectric technique, various wireless communication systems and high frequency
The surge of electronic device quantity results in Electromagnetic Interference this new environmental pollution.Electromagnetic interference is mainly electromagenetic wave radiation
Harmful effect to surrounding devices or organism generation, thus, electromagnetic interference not only influences the realization of electronic product performance,
But also serious harm can be caused to the mankind and other organisms.To solve the problems, such as Electromagnetic Interference, electromagnetic screen is mainly taken
Measure is covered, weakens interference source in the field strength of surrounding, realizes the electromagnetic compatibility ring that electronic and electrical equipment mutually reconciles with environment, mutually coexists
Border.Its concrete measure is the gap filling conductive material at the cabinet of electronic device or cage connection, and box shell seam crossing is made to lead
It is electrically continuous, generate electromagnetic shielding action.Common conductive material is the conducting resinl of punching and shaping, die forming or extrusion molding,
After the processed shape and size at design, positioned by installation of slotting in equipment, bonding or bolt, directly as conductive bullet
Elastomeric liner realizes conductive communication and electromagnetic shielding.
But with electronics miniaturization and highly integrated development, structure is more and more compacter, inner space is also got over
It is next smaller, such as mobile phone, palm PC, PC cards and communication base station and industrial control equipment, Medical Devices.In this case,
The traditional handicraft such as electric silica gel of punching and shaping, die forming or extrusion molding can all be limited in producing and assembling application
System cannot be satisfied volume is small, the requirement in complicated shield shell, and in this case, liquid silica gel is met the tendency of
And it gives birth to.Liquid silica gel also has mobility and thixotropy, can be easy to fill out other than the shield effectiveness with conventional conductive glue
Tiny seam is filled, so very suitable apply in miniature or highly integrated electronic equipment.
Usually, the electric conductivity of liquid silica gel is directly proportional to conductive powder body loading therein, however, current liquid silicon
The big disadvantage of glue generally existing electrical impedance, electric conductivity is bad, and toughness is bad, cannot meet the needs used.
Invention content
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of high tenacity conductions
Silica gel manufacturing process can effectively solve the problems, such as that existing liquid silica gel electrical impedance is big, toughness is bad.
To achieve the above object, the present invention is using following technical solution：
A kind of high tenacity electric silica gel manufacturing process, includes following steps：
（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and by tin plating graphite powder with
Silicone oil mixing forms material B；
（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:The ratio of 0.5-0.8 is added in planetary stirring machine
It is uniformly mixed；
（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation；
（4）Solidification：Cure 1-5 hours at 145-160 DEG C, obtains high tenacity electric silica gel.
As a preferred embodiment, the step（1）The preparation method of middle material A includes following steps：
1) 300 mass parts silicone oil and 250 mass parts conductive blacks are stirred in high pressure internal mixer, rotating speed is 40 rpm, when stirring
Between be 10 minutes；
2) 150 mass parts silicone oil are added and 125 mass parts conductive blacks continues to stir, rotating speed is 40 rpm, mixing time 10
Minute；
3) 150 mass parts silicone oil are continuously added and 75 mass parts conductive blacks continue to stir, rotating speed is 40 rpm, mixing time
It is 60 minutes.
As a preferred embodiment, the step（1）The preparation method of middle material B includes following steps：
1) 240 mass parts silicone oil and the tin plating graphite powder of 180 mass parts are stirred in high pressure internal mixer, rotating speed is 40 rpm, stirring
Time is 10 minutes；
2) 120 mass parts silicone oil are added and the tin plating graphite powder of 80 mass parts continues to stir, rotating speed is 40 rpm, and mixing time is
10 minutes；
3) 120 mass parts silicone oil are continuously added and the tin plating graphite powder of 45 mass parts continues to stir, rotating speed is 40 rpm, when stirring
Between be 60 minutes.
The present invention has clear advantage and advantageous effect compared with prior art, specifically, by above-mentioned technical proposal
Known to：
The electric silica gel being prepared by using the method for the present invention, impedance value have dropped 40% with respect to conventional conductive silica gel
More than, there is better electric conductivity, also, its toughness improves 55% or more with respect to conventional conductive silica gel, has preferably tough
Property, meet the requirement used.
Specific implementation mode
Present invention is disclosed a kind of high tenacity electric silica gel manufacturing process, include following steps：
（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and by tin plating graphite powder with
Silicone oil mixing forms material B.
The preparation method of material A includes following steps：1) by 300 mass parts silicone oil and 250 mass parts conductive blacks in
High pressure internal mixer stirs, and rotating speed is 40 rpm, and mixing time is 10 minutes；2) 150 mass parts silicone oil and 125 mass parts are added
Conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 150 mass parts silicone oil and 75 matter are continuously added
Amount part conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
The preparation method of material B includes following steps：1) by 240 mass parts silicone oil and the tin plating graphite powder of 180 mass parts
It is stirred in high pressure internal mixer, rotating speed is 40 rpm, and mixing time is 10 minutes；2) 120 mass parts silicone oil and 80 mass parts are added
Tin plating graphite powder continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 120 mass parts silicone oil and 45 are continuously added
The tin plating graphite powder of mass parts continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
And its mean size of the conductive black is 35nm, specific surface area 69m2/ g, density 0.25g/ml, electricity
Impedance is 0.19 Ω cm, impurity 0.01%, aqueous 0.03%, pH 9-10.The electrical impedance of tin plating graphite powder be 2.5-5.0 ×
10-6(Ω m)/basal plane and 3.0 × 10-3 (Ω•m)⊥basal plane。
（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:The ratio of 0.5-0.8 is added to planetary stirring
It is uniformly mixed in machine.
（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation.
（4）Solidification：Cure 1-5 hours at 145-160 DEG C, obtains high tenacity electric silica gel.
With multiple embodiments, invention is further described in detail below：
Embodiment 1：
A kind of high tenacity electric silica gel manufacturing process, includes following steps：
（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and by tin plating graphite powder with
Silicone oil mixing forms material B.
The preparation method of material A includes following steps：1) by 300 mass parts silicone oil and 250 mass parts conductive blacks in
High pressure internal mixer stirs, and rotating speed is 40 rpm, and mixing time is 10 minutes；2) 150 mass parts silicone oil and 125 mass parts are added
Conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 150 mass parts silicone oil and 75 matter are continuously added
Amount part conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
The preparation method of material B includes following steps：1) by 240 mass parts silicone oil and the tin plating graphite powder of 180 mass parts
It is stirred in high pressure internal mixer, rotating speed is 40 rpm, and mixing time is 10 minutes；2) 120 mass parts silicone oil and 80 mass parts are added
Tin plating graphite powder continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 120 mass parts silicone oil and 45 are continuously added
The tin plating graphite powder of mass parts continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
And its mean size of the conductive black is 35nm, specific surface area 69m2/ g, density 0.25g/ml, electricity
Impedance is 0.19 Ω cm, impurity 0.01%, aqueous 0.03%, pH 9-10.The electrical impedance of tin plating graphite powder be 2.5-5.0 ×
10-6(Ω m)/basal plane and 3.0 × 10-3 (Ω•m)⊥basal plane。
（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:0.5 ratio is added in planetary stirring machine
It is uniformly mixed.
（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation.
（4）Solidification：Cure 2 hours at 150 DEG C, obtains high tenacity electric silica gel.
After tested, the high tenacity electric silica gel being prepared of the present embodiment, toughness are promoted with respect to conventional conductive silica gel
60%, there is better toughness, impedance value to have dropped 45%, there is better electric conductivity.
Embodiment 2：
A kind of high tenacity electric silica gel manufacturing process, includes following steps：
（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and by tin plating graphite powder with
Silicone oil mixing forms material B.
The preparation method of material A includes following steps：1) by 300 mass parts silicone oil and 250 mass parts conductive blacks in
High pressure internal mixer stirs, and rotating speed is 40 rpm, and mixing time is 10 minutes；2) 150 mass parts silicone oil and 125 mass parts are added
Conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 150 mass parts silicone oil and 75 matter are continuously added
Amount part conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
The preparation method of material B includes following steps：1) by 240 mass parts silicone oil and the tin plating graphite powder of 180 mass parts
It is stirred in high pressure internal mixer, rotating speed is 40 rpm, and mixing time is 10 minutes；2) 120 mass parts silicone oil and 80 mass parts are added
Tin plating graphite powder continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 120 mass parts silicone oil and 45 are continuously added
The tin plating graphite powder of mass parts continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
And its mean size of the conductive black is 35nm, specific surface area 69m2/ g, density 0.25g/ml, electricity
Impedance is 0.19 Ω cm, impurity 0.01%, aqueous 0.03%, pH 9-10.The electrical impedance of tin plating graphite powder be 2.5-5.0 ×
10-6(Ω m)/basal plane and 3.0 × 10-3 (Ω•m)⊥basal plane。
（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:0.7 ratio is added in planetary stirring machine
It is uniformly mixed.
（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation.
（4）Solidification：Cure 3 hours at 145 DEG C, obtains high tenacity electric silica gel.
After tested, the high tenacity electric silica gel being prepared of the present embodiment, toughness are promoted with respect to conventional conductive silica gel
65%, there is better toughness, impedance value to have dropped 50%, there is better electric conductivity.
Embodiment 3：
A kind of high tenacity electric silica gel manufacturing process, includes following steps：
（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and by tin plating graphite powder with
Silicone oil mixing forms material B.
The preparation method of material A includes following steps：1) by 300 mass parts silicone oil and 250 mass parts conductive blacks in
High pressure internal mixer stirs, and rotating speed is 40 rpm, and mixing time is 10 minutes；2) 150 mass parts silicone oil and 125 mass parts are added
Conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 150 mass parts silicone oil and 75 matter are continuously added
Amount part conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
The preparation method of material B includes following steps：1) by 240 mass parts silicone oil and the tin plating graphite powder of 180 mass parts
It is stirred in high pressure internal mixer, rotating speed is 40 rpm, and mixing time is 10 minutes；2) 120 mass parts silicone oil and 80 mass parts are added
Tin plating graphite powder continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 120 mass parts silicone oil and 45 are continuously added
The tin plating graphite powder of mass parts continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
And its mean size of the conductive black is 35nm, specific surface area 69m2/ g, density 0.25g/ml, electricity
Impedance is 0.19 Ω cm, impurity 0.01%, aqueous 0.03%, pH 9-10.The electrical impedance of tin plating graphite powder be 2.5-5.0 ×
10-6(Ω m)/basal plane and 3.0 × 10-3 (Ω•m)⊥basal plane。
（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:0. 8 ratio is added to planetary stirring machine
In be uniformly mixed.
（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation.
（4）Solidification：Cure 1 hour at 160 DEG C, obtains high tenacity electric silica gel.
After tested, the high tenacity electric silica gel being prepared of the present embodiment, toughness are promoted with respect to conventional conductive silica gel
62%, there is better toughness, impedance value to have dropped 46%, there is better electric conductivity.
Embodiment 4：
A kind of high tenacity electric silica gel manufacturing process, includes following steps：
（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and by tin plating graphite powder with
Silicone oil mixing forms material B.
The preparation method of material A includes following steps：1) by 300 mass parts silicone oil and 250 mass parts conductive blacks in
High pressure internal mixer stirs, and rotating speed is 40 rpm, and mixing time is 10 minutes；2) 150 mass parts silicone oil and 125 mass parts are added
Conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 150 mass parts silicone oil and 75 matter are continuously added
Amount part conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
The preparation method of material B includes following steps：1) by 240 mass parts silicone oil and the tin plating graphite powder of 180 mass parts
It is stirred in high pressure internal mixer, rotating speed is 40 rpm, and mixing time is 10 minutes；2) 120 mass parts silicone oil and 80 mass parts are added
Tin plating graphite powder continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 120 mass parts silicone oil and 45 are continuously added
The tin plating graphite powder of mass parts continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
And its mean size of the conductive black is 35nm, specific surface area 69m2/ g, density 0.25g/ml, electricity
Impedance is 0.19 Ω cm, impurity 0.01%, aqueous 0.03%, pH 9-10.The electrical impedance of tin plating graphite powder be 2.5-5.0 ×
10-6(Ω m)/basal plane and 3.0 × 10-3 (Ω•m)⊥basal plane。
（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:0.6 ratio is added in planetary stirring machine
It is uniformly mixed.
（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation.
（4）Solidification：Cure 4 hours at 155 DEG C, obtains high tenacity electric silica gel.
After tested, the high tenacity electric silica gel being prepared of the present embodiment, toughness are promoted with respect to conventional conductive silica gel
63%, there is better toughness, impedance value to have dropped 48%, there is better electric conductivity.
Embodiment 5：
A kind of high tenacity electric silica gel manufacturing process, includes following steps：
（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and by tin plating graphite powder with
Silicone oil mixing forms material B.
The preparation method of material A includes following steps：1) by 300 mass parts silicone oil and 250 mass parts conductive blacks in
High pressure internal mixer stirs, and rotating speed is 40 rpm, and mixing time is 10 minutes；2) 150 mass parts silicone oil and 125 mass parts are added
Conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 150 mass parts silicone oil and 75 matter are continuously added
Amount part conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
The preparation method of material B includes following steps：1) by 240 mass parts silicone oil and the tin plating graphite powder of 180 mass parts
It is stirred in high pressure internal mixer, rotating speed is 40 rpm, and mixing time is 10 minutes；2) 120 mass parts silicone oil and 80 mass parts are added
Tin plating graphite powder continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 120 mass parts silicone oil and 45 are continuously added
The tin plating graphite powder of mass parts continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
And its mean size of the conductive black is 35nm, specific surface area 69m2/ g, density 0.25g/ml, electricity
Impedance is 0.19 Ω cm, impurity 0.01%, aqueous 0.03%, pH 9-10.The electrical impedance of tin plating graphite powder be 2.5-5.0 ×
10-6(Ω m)/basal plane and 3.0 × 10-3 (Ω•m)⊥basal plane。
（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:0.55 ratio is added to planetary stirring machine
In be uniformly mixed.
（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation.
（4）Solidification：Cure 5 hours at 145 DEG C, obtains high tenacity electric silica gel.
After tested, the high tenacity electric silica gel being prepared of the present embodiment, toughness are promoted with respect to conventional conductive silica gel
58%, there is better toughness, impedance value to have dropped 46%, there is better electric conductivity.
Embodiment 6：
A kind of high tenacity electric silica gel manufacturing process, includes following steps：
（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and by tin plating graphite powder with
Silicone oil mixing forms material B.
The preparation method of material A includes following steps：1) by 300 mass parts silicone oil and 250 mass parts conductive blacks in
High pressure internal mixer stirs, and rotating speed is 40 rpm, and mixing time is 10 minutes；2) 150 mass parts silicone oil and 125 mass parts are added
Conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 150 mass parts silicone oil and 75 matter are continuously added
Amount part conductive black continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
The preparation method of material B includes following steps：1) by 240 mass parts silicone oil and the tin plating graphite powder of 180 mass parts
It is stirred in high pressure internal mixer, rotating speed is 40 rpm, and mixing time is 10 minutes；2) 120 mass parts silicone oil and 80 mass parts are added
Tin plating graphite powder continues to stir, and rotating speed is 40 rpm, and mixing time is 10 minutes；3) 120 mass parts silicone oil and 45 are continuously added
The tin plating graphite powder of mass parts continues to stir, and rotating speed is 40 rpm, and mixing time is 60 minutes.
And its mean size of the conductive black is 35nm, specific surface area 69m2/ g, density 0.25g/ml, electricity
Impedance is 0.19 Ω cm, impurity 0.01%, aqueous 0.03%, pH 9-10.The electrical impedance of tin plating graphite powder be 2.5-5.0 ×
10-6(Ω m)/basal plane and 3.0 × 10-3 (Ω•m)⊥basal plane。
（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:0.65 ratio is added to planetary stirring machine
In be uniformly mixed.
（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation.
（4）Solidification：Cure 1.5 hours at 158 DEG C, obtains high tenacity electric silica gel.
After tested, the high tenacity electric silica gel being prepared of the present embodiment, toughness are promoted with respect to conventional conductive silica gel
55%, there is better toughness, impedance value to have dropped 40%, there is better electric conductivity.
The design focal point of the present invention is：The electric silica gel being prepared by using the method for the present invention, impedance value
Opposite conventional conductive silica gel has dropped 40% or more, has better electric conductivity, also, its toughness is with respect to conventional conductive silica gel
55% or more is improved, there is better toughness, meet the requirement used.
The above described is only a preferred embodiment of the present invention, be not intended to limit the scope of the present invention,
Therefore it is every according to the technical essence of the invention to any subtle modifications, equivalent variations and modifications made by above example, still
Belong in the range of technical solution of the present invention.
Claims (3)
1. a kind of high tenacity electric silica gel manufacturing process, it is characterised in that：Include following steps：
（1）Premix：Using pressurization internal mixer, conductive black and silicone oil mixing are formed into material A, and by tin plating graphite powder with
Silicone oil mixing forms material B；
（2）Batch mixing：According to mass ratio it is 1 by the material A and material B:The ratio of 0.5-0.8 is added in planetary stirring machine
It is uniformly mixed；
（3）Vacuum defoamation：To step（2）The material of gained carries out vacuum defoamation；
（4）Solidification：Cure 1-5 hours at 145-160 DEG C, obtains high tenacity electric silica gel.
2. high tenacity electric silica gel manufacturing process according to claim 1, it is characterised in that：The step（1）Middle material A
Preparation method include following steps：
1) 300 mass parts silicone oil and 250 mass parts conductive blacks are stirred in high pressure internal mixer, rotating speed is 40 rpm, when stirring
Between be 10 minutes；
2) 150 mass parts silicone oil are added and 125 mass parts conductive blacks continues to stir, rotating speed is 40 rpm, mixing time 10
Minute；
3) 150 mass parts silicone oil are continuously added and 75 mass parts conductive blacks continue to stir, rotating speed is 40 rpm, mixing time
It is 60 minutes.
3. high tenacity electric silica gel manufacturing process according to claim 1, it is characterised in that：The step（1）Middle material B
Preparation method include following steps：
1) 240 mass parts silicone oil and the tin plating graphite powder of 180 mass parts are stirred in high pressure internal mixer, rotating speed is 40 rpm, stirring
Time is 10 minutes；
2) 120 mass parts silicone oil are added and the tin plating graphite powder of 80 mass parts continues to stir, rotating speed is 40 rpm, and mixing time is
10 minutes；
3) 120 mass parts silicone oil are continuously added and the tin plating graphite powder of 45 mass parts continues to stir, rotating speed is 40 rpm, when stirring
Between be 60 minutes.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098001A (en) * | 2019-05-29 | 2019-08-06 | 腾飞科技股份有限公司 | Compliant conductive wire body and its moulding process |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110098001A (en) * | 2019-05-29 | 2019-08-06 | 腾飞科技股份有限公司 | Compliant conductive wire body and its moulding process |
| CN110098001B (en) * | 2019-05-29 | 2020-10-02 | 腾飞科技股份有限公司 | Flexible conductive wire body and forming process thereof |
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