CN107541177A - The preparation method of silane work(graphene, antistatic silicone pressure sensitive adhesive and preparation method thereof - Google Patents
The preparation method of silane work(graphene, antistatic silicone pressure sensitive adhesive and preparation method thereof Download PDFInfo
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Abstract
The present invention discloses a kind of preparation method of silane work(graphene, antistatic silicone pressure sensitive adhesive and preparation method thereof, solving surface after current graphene disperses uneven and organic pressure-sensitive gel coated and molded in organic pressure-sensitive gel has very strong electrostatic problem, to be coated with and producing the technical problem for the potential safety hazard brought, graphene oxide after silane-modified is used to that its curing performance can not to be influenceed in pressure sensitive adhesive, coating process, its antistatic property is assigned in the case of weather resistance, the adverse effect of electrostatic belt can be eliminated in coating process and during shaped article use.
Description
Technical field
The present invention relates to technical field of graphene, espespecially a kind of preparation method of silanization graphene, antistatic silicone
Pressure sensitive adhesive and preparation method thereof.
Background technology
Graphene is a kind of novel nano-material, has very excellent conduction, heat conduction and mechanical property, as organosilicon
The auxiliary agent of pressure sensitive adhesive has very big market potential, but graphene is easy to reunite and silica gel pressure sensitive adhesive poor compatibility, causes
It is difficult to be uniformly dispersed in the sub- quick glue of silica gel, so as to which the excellent specific property of graphene in itself can not have been given play to.Therefore graphene is carried out
Surface is modified, and realizes that fine dispersion is to prepare the premise of High performance silica gel pressure sensitive adhesive in silica gel pressure sensitive adhesive.
At present, patent modified graphene being used in silica gel pressure sensitive adhesive is rarely found, as patent CN103937265A is direct
Graphene is added in silicon rubber thermostable heat-conductive composite is made;Patent CN106398223A is by modified graphene
It is added in raw-silastic continuously, the preferable composite of mechanical property is made;Patent CN104151833A is by adding graphene
The sub- quick conducing composite material of graphene/silicon rubber is obtained, is had greatly improved to the electric conductivity of silica gel pressure sensitive adhesive, but it is compatible
Property it is bad, it is impossible to significantly improve silica gel performance;Domestic literature Marvin's stone and Deng Bangjun use silane coupler KH-
550 processing graphenes prepare nano functionalization graphene/room temperature vulcanized silicone rubber (Fudan University's material journal, 2011,28 (4):
40-45), but the graphene after the processing is not useable in the silicon rubber of platinum catalysis system, because amino therein can cause
Catalyst failure.
At present at home and abroad, the technology of preparing that relevant organic pressure-sensitive gel carries antistatic property is more rare, common system
The standby technology of preparing with anti-static function film, by antistatic additive in a manner of coating pretreating substrates, secondly in the market silicon
Glue inner additive type antistatic additive be added in the sub- quick glue of organosilicon cause sizing material solidification not exclusively, sizing material becomes cloudy, to base material
Tack weakens and to antistatic behaviour without technical problems such as more obvious improvement.
The content of the invention
To solve the above problems, the present invention provides a kind of preparation method of silane-functionalized graphene, antistatic silicone
Pressure sensitive adhesive and preparation method thereof, solve scattered uneven and organic pressure-sensitive gel of the current graphene in organic pressure-sensitive gel
Technical problem without antistatic behaviour.
To achieve the above object, the technical solution adopted by the present invention is:A kind of preparation method of silanization graphene, including
Following steps:
Step 1:The concentrated sulfuric acid of 100-200 mass parts 98% is added into three-necked flask, with ice-water bath equilibrium temperature in 0-
5 DEG C, the mixture of 1-10 mass parts powdery crystalline flake graphites and 5 mass parts sodium nitrate is slowly added under mechanical agitation, is stirred vigorously
Make reaction uniform, then 10-30 mass parts potassium permanganate be added portionwise, by temperature control after 5-10 DEG C, sizing material temperature control 25-
40 DEG C, 20-60min is stirred, then adds 300-500 mass parts distilled water, temperature control 80-100 DEG C of reaction 10-50min, Ran Houyong
Warm water is diluted to 1000-2000 mass parts, hydrogen peroxide is added untill solution is in golden yellow, then with watery hydrochloric acid and deionized water
Fully washing is to without SO4 2-Ion, the filter cake vacuum drying 12-24h after filtering and washing is obtained into graphene oxide;
Step 2:By 0.1-0.5 mass parts graphene oxides ultrasonic disperse in a solvent, nitrogen is first passed through, adds silicon
Alkane coupling agent 1-5 mass parts, catalyst 0.01-0.1 mass parts, after 60-80 DEG C is reacted 5-12h, add reducing agent 0.1-1
Mass parts, continue react 5-12h, then centrifuge simultaneously washed 3-5 times with absolute ethyl alcohol, finally by product at 60-80 DEG C vacuum
Silanization graphene finished product is made after drying 10-24h.
Specifically, the solvent is one kind in toluene, dimethylbenzene, tetrahydrofuran, butanone, hexamethylene;Silane coupler
For glycidoxy-propyltrimethoxy silane or glycidoxypropyl dimethoxysilane, catalyst be butyl titanate,
One kind in metatitanic acid orthocarbonate, tetraisopropoxide titanate esters, reducing agent are Dimethylhydrazine.
To achieve the above object, the technical solution adopted by the present invention is:A kind of antistatic silicone pressure sensitive adhesive, including 100
The end group of mass parts is the dimethyl silicone polymer silicone oil of alkenyl;50-200 mass parts end group is the poly dimethyl silicon of alkenyl
Oxygen alkane rubber;The MQ silicones of 1-70 mass parts;80-400 mass parts diluents;The tackifier of 1-5 mass parts;0.1-5 mass
Part silanization graphene.
Specifically, 25 DEG C when, the end group is that the dimethyl silicone polymer silicone oil of alkenyl is vinyl silicone oil, and viscosity is
2000-20000mPas, can improve the crosslink density of pressure sensitive adhesive, and then improve its hardness.
Specifically, 25 DEG C when, the end group is that the dimethyl silicone polymer rubber of alkenyl is the rubber of ethenyl blocking,
Molecular weight is 60-90 ten thousand, can improve the cohesive strength of pressure sensitive adhesive.
Specifically, the MQ silicones is by R3SiO1/2Group and SiO4/2Group forms, R3SiO1/2Group and SiO4/2Group
Mol ratio be 0.6:1-0.9:1, R is one kind in methyl, ethyl, phenyl, preferably methyl.
Specifically, the diluent is the one or more in toluene, dimethylbenzene and ethyl acetate.
Specifically, the tackifier are the reactions of glycidoxy-propyltrimethoxy silane and pentaerythritol triallyl ether
Product.
To achieve the above object, the technical solution adopted by the present invention is:A kind of preparation side of antistatic silicone pressure sensitive adhesive
Method, preparation process are as follows:By dimethyl silicone polymer silicone oil, the 50-200 mass parts end groups that 100 mass parts end groups are alkenyl
For the dimethyl silicone polymer rubber of alkenyl;The MQ silicones of 1-70 mass parts;80-400 mass parts diluents;1-5 mass
The tackifier of part, 0.1-5 mass parts silanization graphenes, the crosslinking agent of 0.1-12 parts and the suppression of 0.0001-0.02 mass parts
Preparation;0.1-1 part platinum catalysts are well mixed, and solidify 1min under the conditions of 130 DEG C, be made antistatic silicone pressure sensitive adhesive into
Product.
Specifically, the preparation method of MQ silicones is as follows:100 mass parts mass fractions are added in four-neck flask is
17.8% waterglass and the water of 80-150 mass parts, quick stirring is lower to be added in 40-100ml hydrochloric acid, then adds 4-8 matter
The ethanol of the Vinyldimethylethoxysilane of part, 5-10 mass parts HMDO and 80-120 mass parts is measured,
After 50-60 DEG C is continued stirring reaction 30min, the HMDO of 100-200 mass parts is added, continues to stir 1h;It is quiet
Layering is put, removes lower floor's watery hydrochloric acid ethanol solution;The resin solution on upper strata adds 10-20 part concentrated hydrochloric acids under agitation, in room temperature
Lower stirring reaction 2h;Standing separates sulfuric acid, is washed to neutrality, after calcium chloride is dried, steams HMDO, obtains
M/Q is 0.7, and vinyl mass fraction is 3.5% Vinyl MQ silicon resin, and the cohesion that MQ silicones can increase pressure sensitive adhesive is strong
Degree and surface viscosity, can also improve its adhesive strength to base material.
Specifically, the preparation method of tackifier is as follows:By 20 mass parts glycidoxy-propyltrimethoxy silanes and 20-50
Mass parts pentaerythritol triallyl ether, 0.1-5 mass parts butyl titanates, which are added in round-bottomed flask, leads to N2, at 60-80 DEG C
Under the conditions of react 4h, then Depressor response 2h, cooling reaction terminates, and obtains tackifier.
Specifically, the organic hydride for being at least 0.8% containing three Si-H bases and mass fraction in the cross-linker molecules
Polysiloxanes, suitable crosslink density can be provided for pressure sensitive adhesive.
Specifically, described platinum catalyst is that chloroplatinic acid or platinum-vinyl siloxane complex or isopropanol are modified
Chloroplatinic acid.
Specifically, described inhibitor is 3- methyl isophthalic acids-alcohol of butine -3,1- acetenyl -1- cyclohexanol, 3- phenyl -1- fourths
One kind in alkynes -3- alcohol.
The beneficial effects of the present invention are:
1st, the present invention using silanization graphene as silica gel pressure sensitive adhesive antistatic additive, can be with pressure sensitive adhesive phase well
Hold, place for a long time not stratified;It need to only add that seldom amount can plays antistatic effect and not influence pressure sensitive adhesive original
Curing performance, mechanical property and weatherability;
2nd, the tackifier for the synthesis that the present invention uses, being added into organic pressure-sensitive gel can be made without at silane coupling agent
Pressure-sensitive adhesive of the reason with self-adhesion, improves production efficiency.
Embodiment
With reference to some instantiations, the present invention will be further described, and " part " refers to " quality in following instance
Part ".
Synthesis example 1
The concentrated sulfuric acid of 100 mass parts 98% is added into three-necked flask, with ice-water bath equilibrium temperature at 0 DEG C, mechanical agitation
Under be slowly added into the mixtures of 1 mass parts powdery crystalline flake graphite and 5 mass parts sodium nitrate, being stirred vigorously makes reaction uniform, then divides
Criticize and add 10 mass parts potassium permanganate, by temperature control at 5 DEG C, 25 DEG C of temperature control after sizing material, stir 20min, then add
300 mass parts distilled water, 80 DEG C of pyroreaction 10min of temperature control, 1000 mass parts then are diluted to warm water, add hydrogen peroxide extremely
Untill solution is in golden yellow.Then molten watery hydrochloric acid and deionized water are fully washed to without SO42- ions, by the filter after filtering and washing
Cake vacuum does 12h and can be prepared by graphene oxide;0.1 mass parts graphene oxide ultrasonic disperse is taken in butanone, is passed through N2 elder generations
The mass parts of glycidoxy-propyltrimethoxy silane silane coupler 1, the mass parts of butyl titanate 0.01 are added, in 60 DEG C of reactions
After 5h, the mass parts of Dimethylhydrazine 0.1 are added, continue to react 5h.After reaction terminates, centrifuge and wash 3 times with absolute ethyl alcohol, finally
Product is dried in vacuo 10h at 60 DEG C F graphene oxides are made, be designated as F1.
Synthesis example 2
The concentrated sulfuric acid of 200 mass parts 98% is added into three-necked flask, with ice-water bath equilibrium temperature at 5 DEG C, mechanical agitation
Under be slowly added into the mixtures of 10 mass parts powdery crystalline flake graphites and 5 mass parts sodium nitrate, being stirred vigorously makes reaction uniform, then divides
Criticize and add 30 mass parts potassium permanganate, by temperature control at 10 DEG C, 40 DEG C of temperature control after sizing material, stir 60min, then add
500 mass parts distilled water, 100 DEG C of pyroreaction 50min of temperature control, 2000 mass parts then are diluted to warm water, add hydrogen peroxide
Untill solution is in golden yellow.Then molten watery hydrochloric acid and deionized water are fully washed to without SO42- ions, after filtering and washing
Filter cake vacuum does 24h and can be prepared by graphene oxide;0.5 mass parts graphene oxide ultrasonic disperse is taken to be passed through N2 in butanone
The mass parts of glycidoxypropyl dimethoxysilane silane coupler 5, the mass parts of butyl titanate 0.1 are first added, 80
DEG C reaction 12h after, add the mass parts of Dimethylhydrazine 1, continue react 12h.After reaction terminates, centrifuge and wash 5 with absolute ethyl alcohol
It is secondary, product is finally dried in vacuo to 24h at 80 DEG C F graphene oxides are made, be designated as F2.
Synthesis example 3
100 mass parts mass fractions are added in four-neck flask as 17.8% waterglass and the water of 100 mass parts, quickly
Stirring is lower to be added in 80ml hydrochloric acid, then adds Vinyldimethylethoxysilane, the 6 mass parts hexamethyls of 6 mass parts
The ethanol of disiloxane and 90 mass parts, after 50-60 DEG C is continued stirring reaction 30min, add the hexamethyl of 100 mass parts
Disiloxane, continue to stir 1h.Stratification, remove lower floor's watery hydrochloric acid ethanol solution.The resin solution on upper strata adds under agitation
Enter 15 parts of concentrated hydrochloric acids, reaction 2h is stirred at room temperature.Then stand and separate sulfuric acid, be washed to neutrality, after calcium chloride is dried,
HMDO is steamed, it is 0.7 to obtain M/Q, and vinyl mass fraction is 3.5% Vinyl MQ silicon resin.
Synthesis example 4
By 20 mass parts glycidoxy-propyltrimethoxy silanes and 20 mass parts pentaerythritol triallyl ethers, 0.1 matter
Amount part butyl titanate, which is added in round-bottomed flask, leads to N2, 4h is reacted under the conditions of 60 DEG C, then Depressor response 2h, cooling reaction knot
Beam, obtain tackifier 1.
Synthesis example 5
By 20 mass parts glycidoxy-propyltrimethoxy silanes and 50 mass parts pentaerythritol triallyl ethers, 5 mass
Part butyl titanate, which is added in round-bottomed flask, leads to N2, 4h is reacted under the conditions of 80 DEG C, then Depressor response 2h, cooling reaction knot
Beam, obtain tackifier 2.
Embodiment 1
The ethene that vinyl silicone oil that viscosity by 100 mass parts is 2000mpas, 50 mass parts molecular weight are 900,000
The rubber of base end-blocking;MQ silicones made from the synthesis example 3 of 50 mass parts;300 mass parts diluents;2 mass parts synthesis examples 4 are made
The mass parts synthesis example 1 of tackifier 1,1 made from F1,1.5 mass parts mass fractions be 0.8% containing hydrogen silicone oil, 0.01 matter
3- methyl isophthalic acids-the alcohol of butine -3,0.1 mass parts platinum-vinyl siloxane complex of amount part are well mixed to obtain coating fluid, and this is applied
Cloth liquid is scratched with scraper solidifies the obtained organosilicon pressures of 1min on polyethylene terephthalate (PET) under the conditions of 130 DEG C
Quick glue, its peeling force is tested with laboratory tester for elongation, is tested its sheet resistance with sheet resistance tester, is used constant temperature and humidity
Tester tests its heatproof moisture-proof i.e. 85 DEG C temperature, 85% humidity (referred to as double 8 5) performance, and data are shown in Table one.
Embodiment 2
By the vinyl silicone oil that the viscosity of 100 mass parts is 20000mpas, 200 mass parts molecular weight are 900,000 second
The rubber of alkenyl end-blocking, MQ silicones made from the synthesis example 3 of 50 mass parts, 300 mass parts diluents, 2 mass parts synthesis examples 4
F2 made from the obtained mass parts synthesis example 2 of tackifier 1,1, the containing hydrogen silicone oil that 1.5 parts of mass fractions are 0.8%, 0.01 mass
3- methyl isophthalic acids-the alcohol of butine -3,0.1 mass parts platinum-vinyl siloxane complex of part are well mixed to obtain coating fluid, and this is coated with
Liquid is scratched with scraper solidifies the obtained silicone pressure sensitives of 1min on polyethylene terephthalate (PET) under the conditions of 130 DEG C
Glue, experimental data are shown in Table one.
Embodiment 3
By the vinyl silicone oil that the viscosity of 100 mass parts is 20000mpas, 40 mass parts molecular weight are 600,000 ethene
The rubber of base end-blocking, MQ silicones made from the synthesis example 3 of 50 mass parts, 300 mass parts diluents, 2 mass parts synthesis examples 4 are made
The mass parts mass fraction of tackifier 2,1.5 be 0.8% containing hydrogen silicone oil, 3- methyl isophthalic acids-alcohol of butine -3 of 0.01 mass parts,
0.1 mass parts platinum-vinyl siloxane complex is well mixed to obtain coating fluid, and the coating fluid is scratched poly- to benzene two with scraper
Solidify 1min under the conditions of 130 DEG C on formic acid glycol ester (PET) and organic pressure-sensitive gel is made, experimental data is shown in Table one.
Embodiment 4
By the vinyl silicone oil that the viscosity of 100 mass parts is 20000mpas, 40 mass parts molecular weight are 600,000 ethene
The rubber of base end-blocking, MQ silicones made from the synthesis example 3 of 50 mass parts, 300 mass parts diluents, 1 mass parts synthesis example 1 are made
F1,1.5 mass parts mass fractions be 0.8% containing hydrogen silicone oil, 3- methyl isophthalic acids-alcohol of butine -3 of 0.01 mass parts, 0.1 matter
Measure part platinum-vinyl siloxane complex and be well mixed to obtain coating fluid, the coating fluid is scratched in poly terephthalic acid with scraper
Solidify 1min under the conditions of 130 DEG C on glycol ester (PET) and organic pressure-sensitive gel is made, experimental data is shown in Table one.
Embodiment 5
By the vinyl silicone oil that the viscosity of 100 mass parts is 5000mpas, 40 mass parts molecular weight are 600,000 ethene
The rubber of base end-blocking, MQ silicones made from the synthesis example 3 of 50 mass parts, 300 mass parts diluents, 1 mass parts synthesis example 1 are made
F1, the mass parts mass fraction of tackifier 2,1.5 made from 2 mass parts synthesis examples 4 be 0.8% containing hydrogen silicone oil, 0.01 matter
3- methyl isophthalic acids-the alcohol of butine -3 of amount part, 0.1 part of platinum-vinyl siloxane complex are well mixed to obtain coating fluid, by the coating fluid
Solidify 1min under the conditions of 130 DEG C on polyethylene terephthalate (PET) with scraper blade coating and organic pressure-sensitive gel be made,
Experimental data is shown in Table one.
Embodiment 6
Rubber by the molecular weight of 140 mass parts for 600,000 ethenyl blocking, MQ made from the synthesis example 3 of 50 mass parts
Silicones, 300 mass parts diluents, F1 made from 1 mass parts synthesis example 1, tackifier 1,1.5 made from 2 mass parts synthesis examples 4
Mass parts mass fraction be 0.8% containing hydrogen silicone oil, 3- methyl isophthalic acids-alcohol of butine -3 of 0.01 mass parts, 0.1 mass parts platinum-second
Alkenylsiloxane complexes are well mixed to obtain coating fluid, and the coating fluid is scratched in polyethylene terephthalate with scraper
(PET) solidify 1min under the conditions of 130 DEG C on and organic pressure-sensitive gel is made, experimental data is shown in Table one.
Table one
As shown in Table 1:Embodiment 1, embodiment 2 and embodiment 3 compare, and add after functionalization graphene by modification
Pressure sensitive adhesive afterwards is changed into semiconductor from insulator, therefore F1, F2 addition can significantly reduce the sheet resistance of pressure sensitive adhesive
Value, electrostatic is eliminated, is found simultaneously, it is harder using the relatively low vinyl silicone oil of viscosity, film surface;Embodiment 1, the contrast hair of embodiment 4
Existing, the addition of tackifier makes pressure sensitive adhesive have good heatproof wet performance;Embodiment 1, the contrast discovery of embodiment 2, the oxygen of epoxy third
Hydroxypropyl methyl dimethoxysilane is better than glycidoxy-propyltrimethoxy silane to the modified effect of graphene, because epoxy third
Oxygen hydroxypropyl methyl dimethoxysilane includes two alkoxies, reduces space steric effect, is advantageous to the progress of reaction.Implement
Example 5 and 6 illustrates that the addition of vinyl silicone oil can adjust crosslink density so as to adjust the hardness of glue surface.
Embodiment of above is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is entered
Row limits, on the premise of design spirit of the present invention is not departed from, technical side of this area ordinary skill technical staff to the present invention
The various modifications and improvement that case is made, it all should fall into the protection domain of claims of the present invention determination.
Claims (10)
1. a kind of preparation method of silanization graphene, it is characterised in that comprise the following steps:
Step 1:The concentrated sulfuric acid of 100-200 mass parts 98% is added into three-necked flask, with ice-water bath equilibrium temperature at 0-5 DEG C,
The mixture of 1-10 mass parts powdery crystalline flake graphites and 5 mass parts sodium nitrate is slowly added under mechanical agitation, being stirred vigorously makes instead
Uniformly then 10-30 mass parts potassium permanganate should be added portionwise, by temperature control after 5-10 DEG C, sizing material temperature control 25-40
DEG C, 20-60min is stirred, then adds 300-500 mass parts distilled water, 80-100 DEG C of reaction 10-50min of temperature control, then with temperature
Water is diluted to 1000-2000 mass parts, adds hydrogen peroxide untill solution is in golden yellow, is then filled with watery hydrochloric acid and deionized water
Divide washing to without SO4 2-Ion, the filter cake vacuum drying 12-24h after filtering and washing is obtained into graphene oxide;
Step 2:By 0.1-0.5 mass parts graphene oxides ultrasonic disperse in a solvent, nitrogen is first passed through, adds silane idol
Join agent 1-5 mass parts, catalyst 0.01-0.1 mass parts, after 60-80 DEG C is reacted 5-12h, add reducing agent 0.1-1 mass
Part, continue to react 5-12h, then centrifuge and washed 3-5 times with absolute ethyl alcohol, be finally dried in vacuo product at 60-80 DEG C
Silanization graphene finished product is made after 10-24h.
2. a kind of antistatic silicone pressure sensitive adhesive, it is characterised in that the end group including 100 mass parts is the poly dimethyl of alkenyl
Siloxanes silicone oil;50-200 mass parts end group is the dimethyl silicone polymer rubber of alkenyl;The MQ silicones of 1-70 mass parts;
80-400 mass parts diluents;The tackifier of 1-5 mass parts;0.1-5 mass parts silanization graphenes.
3. antistatic silicone pressure sensitive adhesive according to claim 2, it is characterised in that:At 25 DEG C, the end group is alkene
The dimethyl silicone polymer silicone oil of base is vinyl silicone oil, viscosity 2000-20000mPas.
4. antistatic silicone pressure sensitive adhesive as claimed in claim 2, it is characterised in that:At 25 DEG C, the end group is alkenyl
Dimethyl silicone polymer rubber be ethenyl blocking rubber, molecular weight is 60-90 ten thousand.
5. antistatic silicone pressure sensitive adhesive as claimed in claim 2, it is characterised in that:The MQ silicones is by R3SiO1/2Group
And SiO4/2Group forms, R3SiO1/2Group and SiO4/2The mol ratio of group is 0.6:1-0.9:1, R is methyl, ethyl, phenyl
In one kind.
6. antistatic silicone pressure sensitive adhesive as claimed in claim 2, it is characterised in that:The preparation method of the tackifier is such as
Under:By 20 mass parts glycidoxy-propyltrimethoxy silanes and 20-50 mass parts pentaerythritol triallyl ether, 0.1-5 matter
Amount part butyl titanate, which is added in round-bottomed flask, leads to N2, 4h is reacted under the conditions of 60-80 DEG C, then Depressor response 2h, cooled down
Reaction terminates to obtain tackifier.
7. a kind of preparation method of antistatic silicone pressure sensitive adhesive, it is characterised in that preparation method is as follows:By 100 mass parts ends
The dimethyl silicone polymer rubber that base is the dimethyl silicone polymer silicone oil of alkenyl, 50-200 mass parts end groups are alkenyl;
The MQ silicones of 1-70 mass parts;80-400 mass parts diluents;The tackifier of 1-5 mass parts, 0.1-5 mass parts silane fossils
Black alkene, the crosslinking agent of 0.1-12 mass parts and the inhibitor of 0.0001-0.02 mass parts;0.1-1 mass parts platinum catalysts
It is well mixed, solidify 1min under the conditions of 130 DEG C, antistatic silicone pressure sensitive adhesive finished product is made.
8. antistatic silicone pressure sensitive adhesive as claimed in claim 7, it is characterised in that:At least contain in the cross-linker molecules
The organic hydride polysiloxanes that three Si-H bases and mass fraction are 0.8%.
9. the preparation method of antistatic silicone pressure sensitive adhesive as claimed in claim 7, it is characterised in that:Described platinum catalysis
Agent is the chloroplatinic acid that chloroplatinic acid or platinum-vinyl siloxane complex or isopropanol are modified.
10. antistatic silicone pressure sensitive adhesive as claimed in claim 7, it is characterised in that:Described inhibitor be 3- methyl isophthalic acids-
One kind in the alcohol of butine -3,1- acetenyl -1- cyclohexanol, 3-Phenyl-1-butyn-3-ol.
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CN109575872A (en) * | 2018-11-08 | 2019-04-05 | 佛山市真由美化工建材有限公司 | A kind of mould proof silicone sealant of high temperature resistant and preparation method thereof |
CN111019356A (en) * | 2019-12-20 | 2020-04-17 | 佛山国防科技工业技术成果产业化应用推广中心 | Pressure-sensitive porous conductive rubber and preparation method thereof |
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