CN106497063B - It is a kind of to kill the antibacterial silicone rubber insulation material of algae and preparation method - Google Patents
It is a kind of to kill the antibacterial silicone rubber insulation material of algae and preparation method Download PDFInfo
- Publication number
- CN106497063B CN106497063B CN201610919375.7A CN201610919375A CN106497063B CN 106497063 B CN106497063 B CN 106497063B CN 201610919375 A CN201610919375 A CN 201610919375A CN 106497063 B CN106497063 B CN 106497063B
- Authority
- CN
- China
- Prior art keywords
- silicone rubber
- antimicrobial
- composite aerogel
- rubber insulation
- insulation material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The antibacterial silicone rubber insulation material of algae, including sulphurated siliastic are killed the invention discloses a kind of, contains the composite aerogel for having supported antimicrobial metal/metal ion in the sulphurated siliastic.A method of the silicone rubber insulation material is prepared, including the composite aerogel for having supported antimicrobial metal/metal ion to be added in the raw material for preparing sulphurated siliastic, obtains the silicone rubber insulation material by mixing and sulfidization molding.The insulating materials can effectively prevent the growth of silastic surface microorganism, avoid the formation of biomembrane, make composite insulating material from microbiologic(al) corrosion.
Description
Technical field
The present invention relates to electrically insulating materials, kill the antibacterial silicone rubber insulation material of algae and preparation side more particularly to a kind of
Method.
Background technique
Silastic material (referring mainly to high temperature vulcanized composite material and room temperature vulcanization composite material) is led in high voltage external insulation
Domain is widely used.But as silastic material is more widely used in the whole nation, worldwide, it also exists
In varying environment, diversified problem is exposed.It has been had been found that in various degree on China Sichuan, Yunnan, Guangxi, Guangdong and other places
External insulation equipment surface grows the phenomenon that algae and fungi.Since algae, fungi, bacterium itself belong to microorganism, when environment is suitable
When suitable, reproduction speed is exponential, or even forms homobium biomembrane.When parasitic animal and plant mass propagation, silastic material
Hydrophobicity performance, electric property, mechanical performance, physical and chemical performance can be all challenged, and improved flashover risk, injured external insulation equipment
Insulating reliability.
Have at present and proposes that fire retardant zinc borate, dichloro octylisothiazolinone can inhibit parasitic animal and plant in silicon rubber composite insulation
The growth in sublist face also has and proposes its antibacterial additive of homicide algae, prepares Moss-prevention anti-contamination-fcoatings coatings by doping, but add
After antimicrobial, the volume conductance of silicon rubber is significantly increased.Although attempting a small amount of by being added in composite insulating material
Antimicrobial inhibits the growth of parasitic animal and plant, but not yet develops anti-parasitic growth performance and insulation performance etc. can to reach
Mark and the composite isolated material for meeting longtime running condition.
Summary of the invention
It is a primary object of the present invention to overcome the deficiencies of the prior art and provide a kind of to kill the antibacterial silicon rubber insulation material of algae
Material and preparation method, the insulating materials can effectively prevent the growth of silastic surface microorganism, avoid the formation of biomembrane, make multiple
Insulating materials is closed from microbiologic(al) corrosion.
To achieve the above object, the invention adopts the following technical scheme:
It is a kind of to kill the antibacterial silicone rubber insulation material of algae, including sulphurated siliastic, contain in the sulphurated siliastic and supports
The composite aerogel of antimicrobial metal/metal ion.
Further:
The composite aerogel is entered by the antimicrobial agent solution of metal ion presoma or nano-metal particle
During aerosil is mesoporous, the composite aerogel filled with antimicrobial obtained after solvent is removed.
The antimicrobial includes thiazole compound, the composite aerogel packet of the carrier as the antimicrobial
It includes the silica with hollow mesoporous imitated vesicle structure or there is the silica of porous structure with spherical particle pattern and shell.
The antimicrobial includes the bis- different thiophene of chloro- N- octyl -3- of myristyl benzyl dimethyl ammonium chloride and/or 4,5-
Oxazoline ketone, the ratio that the myristyl benzyl dimethyl ammonium chloride accounts for the sulphurated siliastic total mass fraction is 0.015%
wt；The ratio that the chloro- N- octyl -3- isothiazolinone of the 4,5- bis- accounts for the sulphurated siliastic total mass fraction is 0.03%
wt。
The sulphurated siliastic is by including the raw material of base rubber, filler, crosslinking agent and the composite aerogel by being crosslinked instead
It should be formed, the base rubber is dimethyl silicone polymer, and the filler includes white carbon black filler and Al2O3·3H2O filler.
The raw material of the sulphurated siliastic further includes silicone oil, fire retardant, coupling agent, release agent, one in constitution controller
Kind is a variety of.
A method of the silicone rubber insulation material is prepared, including antimicrobial metal/metal ion will have been supported
Composite aerogel be added in the raw material for preparing sulphurated siliastic, through mixing and sulfidization molding and to obtain the silicon rubber exhausted
Edge material.
Further include the process for preparing the composite aerogel comprising following steps:
1) preparation of silicon dioxide gel: it is first separately added into appropriate TEOS, EtOH, DMF mixing in beaker, then will fit
The deionized water that amount hydrochloric acid is acidified is added in above-mentioned solution, it is preferable that after 50 DEG C of heated at constant temperature stir, then will be the desired amount of
Ammonium hydroxide and ethanol in proper amount are added in above-mentioned sol system, are stirred evenly；
2) it stands above-mentioned colloidal sol to obtain alcogel；
3) make alcogel aging, it is preferable that it is replaced by solvent and replaces out by water and catalyst a small amount of in alcogel,
It is highly preferred that suitable soaked in absolute ethyl alcohol is added in alcogel carries out solvent replacement for 24 hours, totally 3 times；
4) dried silica gel, it is preferable that using segmentation freeze-day with constant temperature, it is highly preferred that by the gel of aging point
Freeze-day with constant temperature 24 hours not at 30 DEG C, 40 DEG C, 50 DEG C, 60 DEG C, 80 DEG C, solvent is removed；
5) aerosil is put into the solution containing antimicrobial metal/metal ion particle, passes through expansion
Dissipate effect, the solution containing antimicrobial metal/metal ion particle enter aeroge it is mesoporous in, remove solvent, filled out
Composite aerogel filled with antimicrobial.
Described be kneaded includes kneading, mixing, grinding, and in kneading process, hard charcoal black track producing particle and composite aerogel are placed
In base rubber, after adding anti-structuring hydroxy silicon oil, mechanical kneading is carried out；In mixing process, the sizing material of kneading is put into close
Be stirred in mill, then filler be placed on sizing material, then apply mechanical pressure insert by force in have the sizing material of reinforcing agent
It is interior；In grinding process, to mixing, good material is ground and is dispersed；The vulcanization includes even to material addition crosslinking agent and silane
Join agent, material is made to carry out cross-linking reaction, it is preferable that 8~15h of heated at constant temperature, 70~80 DEG C of temperature.
A kind of electric insulation equipment, the electric insulation equipment have the silicone rubber insulation material, it is preferable that described
Electric insulation equipment is composite insulator.
Beneficial effects of the present invention:
The present invention provides a kind of composite isolated material (such as coating materials that can inhibit parasitic animal and plant and grow on its surface
Material), it is a kind of silicone rubber insulation material, contains in silicone rubber insulation material and supported antimicrobial metal/metal ion
Composite aerogel, the silastic material have the potent parasitic animal and plant overlay capacity for killing algae bacteriostasis, can reducing not less than 60%,
Anti- parasitic animal and plant grows validity period at least 3 years, meanwhile, which has the insulation performance similar with traditional RTV, mechanical performance, hates
Aqueous energy and physical and chemical performance, the self-operating service life at least 5 years.
Composite silicone rubber material prepared by preparation method of the present invention is able to maintain good external insulation performance, realizes and tradition
Insulation performance, mechanical performance, hydrophobicity performance and physical and chemical performance RTV similar with HTV, and long-acting prevention and treatment microorganism growth can be reached
Effect；The preparation process simple possible can add pharmaceutical preparation using porous silica as carrier.The insulating materials is suitable
For producing in batches, only control efficiency can reach by once preparing.It is preferably long-acting to kill algae antibacterial agent, by-product and change
Object itself is closed to the base rubber and filler of silastic material without any side reaction, new insulation material stability is good.
Detailed description of the invention
Fig. 1 is the preparation flow figure of the silica aerogel of an embodiment of the present invention.
Specific embodiment
It elaborates below to embodiments of the present invention.It is emphasized that following the description is only exemplary,
The range and its application being not intended to be limiting of the invention.
Refering to fig. 1, in one embodiment, a kind of to kill the antibacterial silicone rubber insulation material of algae, including sulphurated siliastic, institute
It states in sulphurated siliastic containing the composite aerogel for having supported antimicrobial metal/metal ion.
In a preferred embodiment, the composite aerogel is by the anti-of metal ion presoma or nano-metal particle
Microorganism agent solution enter aerosil it is mesoporous in, remove the obtained compound gas filled with antimicrobial after solvent
Gel.
In a preferred embodiment, the antimicrobial includes thiazole compound, as the antimicrobial
The composite aerogel of carrier includes having the silica of hollow mesoporous imitated vesicle structure or there is spherical particle pattern and shell to have
The silica of porous structure.
The release performance modulation problems of the antiparasitics such as the thiazole compound used for anti-biological pollution, using oxygen
SiClx carrier material is packaged these anti-parasitic ions, and carries out releasing control section.Mainly releasing according to carrier material
Discharge hole road size, the adjusting of closure, duct trend optimize.It is preferred that the two kind carrier materials controllable using duct, including tool
There is the silica of hollow mesoporous imitated vesicle structure and there are the silica of porous structure, these loads with spherical particle pattern and shell
Body can preferably control ion and compound loading, activity and kinetics of diffusion, overcome inorganic antiparasitic
Release control crucial problem, provided for room temperature vulcanized silicone rubber coating or high-temperature silicon disulfide rubber and long-acting kill algae antibacterial functions.
In a preferred embodiment, the antimicrobial includes myristyl benzyl dimethyl ammonium chloride and/or 4,5-
Two chloro- N- octyl -3- isothiazolinone, the myristyl benzyl dimethyl ammonium chloride account for the sulphurated siliastic gross mass point
Several ratios is 0.015%wt；The chloro- N- octyl -3- isothiazolinone of the 4,5- bis- accounts for the sulphurated siliastic gross mass point
Several ratios is 0.03%wt.
In a preferred embodiment, the sulphurated siliastic is by including base rubber, filler, crosslinking agent and the composite aerogel
Raw material formed by cross-linking reaction, the base rubber be dimethyl silicone polymer, the filler include white carbon black filler and
Al2O3·3H2O filler.
In a preferred embodiment, the raw material of the sulphurated siliastic further include silicone oil, fire retardant, coupling agent, release agent,
One of constitution controller is a variety of.
And preparation method specific embodiment of the invention is further described in conjunction with attached drawing.
1. prepared by porous silica
Porous material refers to the material of the pore structure with certain size and quantity, and pore structure is as useful
Structure exists.Silica aerogel material has many characteristics, such as nano-porous structure, bigger serface and low-density, is a kind of light
Matter nano-porous materials.This material has many unusual properties, such as special optical property, good heat-proof quality, height
Dielectric strength characteristic, in a low voice speed and excellent catalytic performance etc..
Sol-gal process is the main method for preparing aerosil at present.Sol-gal process (Sol-Gel
Method basic principle) are as follows: the metallic compound inorganic salts or metal alkoxide of some facile hydrolysis, also referred to as predecessor are used,
It reacts in certain solvent and in water, obtains gel through hydrolysis and polycondensation process；The processes such as drying, heat treatment,
Finally obtain required material.
Aerosil is prepared using sol-gal process at normal temperatures and pressures.
1.1 prepare platform test reagent and instrument
It tests agents useful for same or drug is as shown in table 1.
Table 1 tests agents useful for same and explanation
Wherein, ethyl orthosilicate is metal alkoxide, and dehydrated alcohol is solvent, n,N-Dimethylformamide (N, N-
Dimethylformamide, DMF) be drying control chemical additive (Dring Control Chemical Additives,
DCCA)。
Porous silica silicon materials prepare platform and are made of the equipment in table 2.
Table 2 tests instrument equipment
The preparation process of 1.2 composite aerogels
It includes the preparation of colloidal sol, the conversion of collosol and gel, gel that aerosil is prepared under normal temperature and pressure mainly
Aging, the drying of gel.
Aerosil is prepared first, then the compound airsetting of carrying metal or metal ion is prepared using infusion process
Glue.Algae characteristic result of study is killed according to antimicrobial, selects metal or metal ion as the filler of aerogel material.
Filler is myristyl benzyl dimethyl ammonium chloride (CAS:139-08-2), and the ratio with silicon rubber total mass fraction is
0.015%wt；4,5- bis- chloro- N- octyl -3- isothiazolinone (DCOIT) (CAS:64359-81-5), with silicon rubber gross mass
The ratio of score is 0.03%wt.
Specific preparation process:
1) appropriate TEOS, EtOH, DMF, strong stirring first the preparation of silicon dioxide gel: are separately added into beaker
10min, the deionized water that hydrochloric acid (0.1mol/L) then will be used to be acidified in right amount are added in above-mentioned solution.50 DEG C of heated at constant temperature stirrings
Afterwards, the desired amount of ammonium hydroxide is mixed with ethanol in proper amount, is slowly added into above-mentioned sol system, stirs evenly；
2) conversion of collosol and gel: above-mentioned colloidal sol is poured into specific vessel and is stood.Due to being urged using two step of alkali after first acid
The mode of change, gel time is very short, and colloidal sol is transitted very quickly into gel.Due to being full of a large amount of solvent packets in gel network skeleton at this time
Ethyl alcohol, a small amount of water and catalyst are included, gel at this time is also known as alcogel；
3) aging of alcogel: since the network skeleton intensity of alcogel is low, for the ease of the drying of gel, usually need by
Alcogel aging is for a period of time.The burn-in used in experiment is solvent replacement, and suitable anhydrous second is added in alcogel
Alcohol impregnates for 24 hours, and totally 3 times, the purpose is to replace out by water and catalyst a small amount of in alcogel.Because of the master of Gel Tear
The surface tension the reason is that liquid is wanted, and the surface tension coefficient of dehydrated alcohol is more much lower than the surface tension coefficient of water, it can
Effectively prevent the cracking of gel；
4) drying of silica dioxide gel: the dry measure using segmentation freeze-day with constant temperature of gel.By the gel of aging
Respectively freeze-day with constant temperature 24 hours at 30 DEG C, 40 DEG C, 50 DEG C, 60 DEG C, 80 DEG C, solvent is removed.
5) preparation of composite aerogel: aerosil is put into containing by composite components presoma or nano particle
Solution in, by diffusion effect, the solution of metal ion presoma or nano-metal particle enter aeroge it is mesoporous in, remove
Solvent is removed, metal or metal ion/silicon dioxide composite aerogel are obtained.
By above each step, the composite aerogel for having supported antimicrobial metal/metal ion is prepared, can use
In further development of new composite insulating material.
2. prepared by composite insulating material
Room temperature vulcanized silicone rubber coating is to crosslink reaction by substances such as base-material, solvent, crosslinking agent, catalyst and generate
, novel RTV coating also needs to add the aerogel composite for having supported antimicrobial.It is different according to the technique used,
Room temperature vulcanized silicone rubber can be divided into one-component and two-component.The room temperature vulcanized silicone rubber coating that this project is studied is one-component
Dealcoholized type.
2.1 primary raw materials and testing equipment
It is as follows to test the primary raw material used:
1) dimethyl silicone polymer: dimethyl silicone polymer is most important component part in sizing material, silicon rubber it is various
Performance and sulfurate activity etc. are determined by the chemical structure of base rubber.It is the extrusion sizing material of room temperature vulcanized silicone rubber, point
Son amount 10000~80000, belongs to hydroxy-end capped dimethyl silicone polymer, can be under the action of certain condition and crosslinking agent
Reaction is crosslinked, linear silicones are formed.
2) solvent: common solvent has gasoline, petroleum ether and trichloroethanes etc., and base rubber dissolves in solvent.Solvent is coating
Carrier part, will gradually volatilize during vulcanization, coating ultimately forms firm silicone rubber.It is molten for selecting gasoline
Agent.
3) white carbon black: silica (being commonly called as white carbon black) is common reinforced filling.White carbon black in coating content how much
It is the main determining factor of paint machine intensity.Common white carbon black has vapor phase method and two kinds of the precipitation method.In general, relatively heavy
For the method white carbon black of shallow lake, fume colloidal silica has the characteristics that purity is high, partial size are small, therefore has better reinforcement to imitate in silicon rubber
Fruit.This patent uses fume colloidal silica.
4) aluminium hydroxide: chemical formula Al2O3·3H2Al is added in O, referred to as ATH2O3·3H2Silicon rubber can be improved in O filler
The performances such as anti creepage trace, electrical erosion resistance damage, the resistance to electric arc of glue.Aluminium hydroxide of the surface Jing Guo silane treatment is used in this project,
Its hydrophobicity is strong, can form good compatible interface with silastic material.
5) fire retardant and silicone oil: enhancing the flame retardant property of silicon rubber using decabromodiphenyl oxide in patent, uses methyl silicon
Oil enhances the mobility and surface gloss of silicon rubber.
6) crosslinking agent and coupling agent: the cross-linking system of single-component room-temperature-vulsilicone silicone rubber coating is related with type of crosslinking agent.
Crosslinking agent determines the cross-linking system of coating.Dealcoholized type cross-linking system is used in patent.
7) aerogel composite of antimicrobial is supported.
Equipment introduction for development of new RTV Silicone Rubber Based Coatings is as follows.
1) kneader: kneader is mainly used to mediate base rubber and filler.Filler is merged sufficiently in glue by mediating, from
And be evenly distributed in base rubber, guarantee that the performance of coating is stablized.
2) three-roll grinder: three-roll grinder is mainly used to grind the biggish coating of viscosity, can be by adjusting its central roll
The fineness expected after grinding is controlled with the clearance distances of slow rollers.After grinding the bulky grain reunited can separate.
3) basket dispersing grinder: basket dispersing grinder is by double-walled mill basket, charging absorption pump, abrasive disk, dispersion impeller, sealing
Device and sieve composition.It collides and grinds with abrasive media its working principle is that sucking grinding chamber by charging absorption pump with material
Dispersion, makes material homogeneous and refinement.The equipment is the fine high-efficient grinding equipment for integrating dispersion grinding.
4) reaction kettle: reaction kettle is the important device that silicon rubber carries out cross-linking reaction.The dischargeable capacity of reaction kettle is 3L, work
Making pressure is 0.1~0.6MPa, and for work maximum temperature up to 250 DEG C, body material is stainless steel, and reaction kettle carries controller and matches
There is intelligent temperature control table, control temperature in the kettle and rotating speed of agitator, temperature-controlled precision is ± 2 DEG C, and revolving speed is that 20~1000r/min can
It adjusts.Controller can show heating voltage, current of electric, speed of agitator and working time.Reaction kettle is silicon during the reaction
Rubber provides the environment being completely closed, safety non-leakage and the control that temperature in the kettle can be carried out by electric calorifie installation
System.The controllable agitating paddle of revolving speed can be kept stirring in reaction medium in kettle, guarantee the uniformity of reaction process.
The preparation process of 2.2 novel Room Temperature sulphurated siliastics
The main preparation flow of novel Room Temperature sulphurated siliastic is described below.
1) prepare material: base rubber and solvent usage cylinder measure.The powder of various surface free processing is needed at 100 DEG C or more
1~2h is dried in the baking oven of high temperature.Prepare composite aerogel.
2) mediate: base rubber, powder and composite aerogel are sufficiently mediated in kneader by a certain percentage.Powder and compound gas
Gel should be gradually added into batches, so that base rubber and powder, composite aerogel sufficiently merge.After charging process, then mediate
0.5~1h.
3) it grinds: the material mediated is ground using three-roll grinder, can generally reach refinement after grinding three times and want
It asks.The variation that Paint scraper fineness gauge measures coating fineness at any time can be used.
4) disperse: dispersion is exactly that the aggregate of material is separated into the small reunion of single particle particle either few in number
Body.The material ground and solvent are added in basket dispersing grinder and carry out dispersion grinding, high speed time division, which dissipates, needs recirculated water to follow
Ring is cooling, to prevent dispersion process medium temperature from spending height, solvent is caused to volatilize.Milling time about 3h.Use Paint scraper fineness gauge
Observation is until coating fineness drops to 30 μm or less and just terminates to disperse.
5) auxiliary material is added: being vacuumized to reaction kettle, checks that reaction kettle guarantees its air-tightness.By control valve and charging aperture to
Auxiliary material is added in kettle, auxiliary material includes crosslinking agent and silane coupling agent.It must assure that no moisture cun in kettle during reaction,
Otherwise exchange reaction failure will be will lead to.
6) cross-linking reaction: 8~15h of heated at constant temperature, 70~80 DEG C of temperature.The effect of heating is to accelerate the speed of exchange reaction
Degree.Agitating paddle at the uniform velocity stirs in kettle during reaction, and the electric current of reaction kettle has one to change from small to big, the mistake finally to become smaller
Journey, this is because sizing material generates reunion under the action of auxiliary material, and mixing torque increases, and reaction is completed exchanging the anti-incipient stage
After reunite and slowly scatter, torque becomes smaller.It can be according to the process of the variation judgement exchange reaction of electric current.It is passed through after reaction cold
But circulating water cools down, and prepares discharging.
7) coating is made: after the completion of cross-linking reaction, High Purity Nitrogen is injected into kettle, discharges from the lower section of autoclave body.Prepared
Coating is packed into air-tight bottle.
By above each step, the novel Room Temperature sulphurated siliastic of antimicrobial growth is prepared.
The preparation process of new type high temperature sulphurated siliastic illustrates:
High-temperature silicon disulfide rubber is mainly kneaded by ingredients such as base rubber, filler, silicone oil, catalyst/crosslinking agent, constitution controllers
It forms.The primary raw material of high-temperature silicon disulfide rubber includes: methyl vinyl silicone rubber, white carbon black, aluminium hydroxide, silicone oil, demoulding
Agent and vulcanizing agent etc. also need to add composite aerogel in this method.
The preparation of high-temperature silicon disulfide rubber includes that raw material are kneaded and two stages of sulfidization molding, in high-temperature silicon disulfide rubber
The various material composition distribution of structural states in portion are substantially dependent upon mixing (prepare material, the kneading, grinding) stage of raw material, and surface
Structure distribution state, other than having direct relation with raw material mix stage, it is also contemplated that the outside diameter inspection sulfidization molding stage.
Composite insulator external insulation substrate silicon rubber and filler mixing process, are divided into the processes such as kneading, mixing, grinding,
Linking all strict implement process stipulations between every procedure and process.In kneading process, hard charcoal black track producing particle and compound airsetting
Glue is placed on gluey silastic material, after adding anti-structuring hydroxy silicon oil, carries out mechanical kneading in kneader.In mixing work
In sequence, the sizing material of kneading is put into mixer and is stirred, then aluminium hydroxide and other a small amount of fillers are placed on sizing material
On, then apply mechanical pressure insert by force in have in the sizing material of reinforcing agent.In grinding process, the good material of mixing, right
Grinder of the roller gap no more than 0.5mm carries out 3~5 grindings, and grinding is all to carry out with 900 into glue direction every time.It is compound exhausted
The vulcanization of edge outer insulating material is that the siloxane molecule being kneaded is interlinked by temperature-pressure at three-dimensional netted by vulcanizing agent
Molecular structure makes material become whole.
By above each step, the new type high temperature sulphurated siliastic of antimicrobial growth is prepared.
The above content is combine it is specific/further detailed description of the invention for preferred embodiment, cannot recognize
Fixed specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, some replacements or modifications can also be made to the embodiment that these have been described,
And these substitutions or variant all shall be regarded as belonging to protection scope of the present invention.
Claims (16)
1. a kind of kill the antibacterial silicone rubber insulation material of algae, which is characterized in that including sulphurated siliastic, in the sulphurated siliastic
Containing the composite aerogel for having supported antimicrobial metal/metal ion, the antimicrobial includes dodecyldimethylamine
Base benzyl ammonium chloride.
2. silicone rubber insulation material as described in claim 1, which is characterized in that the composite aerogel is by metal ion
The antimicrobial agent solution of presoma or nano-metal particle enter aerosil it is mesoporous in, obtained after removing solvent
Composite aerogel filled with antimicrobial.
3. silicone rubber insulation material as described in claim 1, which is characterized in that the antimicrobial further includes thiazoles
Object is closed, the composite aerogel of the carrier as the antimicrobial includes the silica or tool with hollow mesoporous imitated vesicle structure
There are spherical particle pattern and shell that there is the silica of porous structure.
4. silicone rubber insulation material as described in claim 1, which is characterized in that the antimicrobial includes myristyl two
Methylbenzyl ammonium chloride and 4, the chloro- N- octyl -3- isothiazolinone of 5- bis-, the myristyl benzyl dimethyl ammonium chloride account for institute
The ratio for stating sulphurated siliastic total mass fraction is 0.015%wt；The chloro- N- octyl -3- isothiazolinone of the 4,5- bis- accounts for institute
The ratio for stating sulphurated siliastic total mass fraction is 0.03%wt.
5. such as the described in any item silicone rubber insulation materials of Claims 1-4, which is characterized in that the sulphurated siliastic is by wrapping
The raw material for including base rubber, filler, crosslinking agent and the composite aerogel is formed by cross-linking reaction, and the base rubber is poly dimethyl silicon
Oxygen alkane, the filler include white carbon black filler and Al2O3·3H2O filler.
6. silicone rubber insulation material as claimed in claim 5, which is characterized in that the raw material of the sulphurated siliastic further includes silicon
One of oil, fire retardant, coupling agent, release agent, constitution controller are a variety of.
7. a kind of prepare the method such as silicone rubber insulation material as claimed in any one of claims 1 to 6, which is characterized in that including
The composite aerogel for having supported antimicrobial metal/metal ion is added in the raw material for preparing sulphurated siliastic, is passed through
Be kneaded and sulfidization molding and obtain the silicone rubber insulation material.
8. the method for claim 7, which is characterized in that further include the process for preparing the composite aerogel comprising
Following steps:
1) preparation of silicon dioxide gel: it is first separately added into appropriate TEOS, EtOH, DMF mixing in beaker, then will use in right amount
The deionized water of hydrochloric acid acidification is added in above-mentioned solution；
2) it stands above-mentioned colloidal sol to obtain alcogel；
3) make alcogel aging；
4) dried silica gel；
5) aerosil is put into the solution containing antimicrobial metal/metal ion particle, is imitated by diffusion
Answer, the solution containing antimicrobial metal/metal ion particle enter aeroge it is mesoporous in, remove solvent, be filled with
The composite aerogel of antimicrobial.
9. method according to claim 8, which is characterized in that in step (1), after 50 DEG C of heated at constant temperature stir, then by institute
The ammonium hydroxide and ethanol in proper amount of requirement are added in above-mentioned sol system, are stirred evenly.
10. method according to claim 8, which is characterized in that, will be a small amount of in alcogel by solvent replacement in step (3)
Water and catalyst replace out.
11. method as claimed in claim 10, which is characterized in that in step (3), suitable anhydrous second is added in alcogel
Alcohol impregnates carries out solvent replacement for 24 hours, and totally 3 times.
12. method according to claim 8, which is characterized in that in step (4), using segmentation freeze-day with constant temperature, by aging
Freeze-day with constant temperature 24 hours at 30 DEG C, 40 DEG C, 50 DEG C, 60 DEG C, 80 DEG C, solvent is removed respectively for gel.
13. method as claimed in claim 7 or 8, which is characterized in that described be kneaded includes kneading, mixing, grinding, is being mediated
In process, hard charcoal black track producing particle and composite aerogel are placed in base rubber, after adding anti-structuring hydroxy silicon oil, machinery is carried out and pinches
It closes；In mixing process, the sizing material of kneading is put into mixer and is stirred, then filler is placed on sizing material, is then applied
Add mechanical pressure insert by force in have in the sizing material of reinforcing agent；In grinding process, to mixing, good material is ground and is dispersed；
The vulcanization includes so that material is carried out cross-linking reaction material addition crosslinking agent and silane coupling agent.
14. method as claimed in claim 13, which is characterized in that 8~15h of heated at constant temperature when the vulcanization, temperature 70~80
℃。
15. a kind of electric insulation equipment, which is characterized in that the electric insulation equipment has such as any one of claim 1 to 6 institute
The silicone rubber insulation material stated.
16. electric insulation equipment as claimed in claim 15, which is characterized in that the electric insulation equipment is compound inslation
Son.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919375.7A CN106497063B (en) | 2016-10-20 | 2016-10-20 | It is a kind of to kill the antibacterial silicone rubber insulation material of algae and preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610919375.7A CN106497063B (en) | 2016-10-20 | 2016-10-20 | It is a kind of to kill the antibacterial silicone rubber insulation material of algae and preparation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106497063A CN106497063A (en) | 2017-03-15 |
| CN106497063B true CN106497063B (en) | 2019-03-29 |
Family
ID=58318314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610919375.7A Expired - Fee Related CN106497063B (en) | 2016-10-20 | 2016-10-20 | It is a kind of to kill the antibacterial silicone rubber insulation material of algae and preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106497063B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107624773A (en) * | 2017-10-17 | 2018-01-26 | 四川国光农化股份有限公司 | A kind of composition pesticide and its application on preventing and treating moss |
| CN107858000A (en) * | 2017-11-15 | 2018-03-30 | 清华大学深圳研究生院 | A kind of preparation method of anti-algae RTV silicon rubber |
| CN108051341A (en) * | 2017-12-05 | 2018-05-18 | 清华大学深圳研究生院 | A kind of modification method for covering algae silastic surface hydrophobicity measurement result |
| CN109749022B (en) * | 2019-03-05 | 2021-08-13 | 河北硅谷化工有限公司 | Composite insulator for preventing microorganism and algae from breeding |
| CN111040622B (en) * | 2019-12-26 | 2022-07-12 | 辽宁华隆电力科技股份有限公司 | Super-voltage-resistant flame-retardant heat-conducting organic silicon insulating coating |
| CN111166001B (en) * | 2019-12-31 | 2022-03-15 | 江西宏柏新材料股份有限公司 | Heat-preservation insole capable of inhibiting fungi and preparation method thereof |
| CN111519341B (en) * | 2020-05-25 | 2021-03-26 | 广州市中诚新型材料科技有限公司 | Compound antiviral and antibacterial multifunctional PP, PE and PET non-woven fabric and preparation and application thereof |
| CN113842922B (en) * | 2021-09-08 | 2023-07-25 | 南京工业大学 | Composite aerogel and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101481478A (en) * | 2009-02-02 | 2009-07-15 | 郑文芝 | Modified plastics with antibacterial, heat insulating, sound isolating and flame-retardant functions |
| CN102317400A (en) * | 2008-12-18 | 2012-01-11 | 3M创新有限公司 | The method for preparing the hydridization gas gel |
| CN105367989A (en) * | 2015-11-24 | 2016-03-02 | 杭州电子科技大学 | Multifunctional modified plastics and preparation method thereof |
| CN105754136A (en) * | 2014-12-13 | 2016-07-13 | 广东轻工职业技术学院 | Antibacterial aerogel with cellulose loaded with nano silver and preparation method and application thereof |
-
2016
- 2016-10-20 CN CN201610919375.7A patent/CN106497063B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102317400A (en) * | 2008-12-18 | 2012-01-11 | 3M创新有限公司 | The method for preparing the hydridization gas gel |
| CN101481478A (en) * | 2009-02-02 | 2009-07-15 | 郑文芝 | Modified plastics with antibacterial, heat insulating, sound isolating and flame-retardant functions |
| CN105754136A (en) * | 2014-12-13 | 2016-07-13 | 广东轻工职业技术学院 | Antibacterial aerogel with cellulose loaded with nano silver and preparation method and application thereof |
| CN105367989A (en) * | 2015-11-24 | 2016-03-02 | 杭州电子科技大学 | Multifunctional modified plastics and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106497063A (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106497063B (en) | It is a kind of to kill the antibacterial silicone rubber insulation material of algae and preparation method | |
| CN103263877B (en) | A kind of preparation method of microcapsules of Silica-coated essential oil | |
| CN103113597B (en) | Rubber masterbatch prepared by the method for continuously producing and this method of rubber masterbatch | |
| JP5870041B2 (en) | Flaked mesoporous granules and method for producing the same | |
| CN105949720B (en) | Nanocomposite foaming agent, foaming product and its preparation method and application | |
| CN104289161B (en) | A kind of aluminium hydroxide microcapsule of melamine formaldehyde resin cladding and preparation method thereof | |
| CN108940148B (en) | Preparation method of temperature-controlled slow-release essence microcapsule | |
| Chen et al. | Fabrication of ultraviolet-responsive microcapsules via Pickering emulsion polymerization using modified nano-silica/nano-titania as Pickering agents | |
| CN103205001B (en) | Process for dispersing of the filler in rubber solutions | |
| CN103419291B (en) | Rubber masterbatch prepared by the method for continuously producing of rubber masterbatch and the method | |
| CN108246966B (en) | Polymer modified silica sol and preparation method thereof | |
| CN111154167A (en) | Heat-insulating polyethylene composite material and preparation method thereof | |
| CN102557049B (en) | The preparation method of silica dioxide granule | |
| CN103483607B (en) | A kind of preparation method of titanium dioxide/polysiloxane photocatalytic composite film | |
| CN105670038A (en) | Light-sensitive nanometer silicon dioxide and method for preparing same | |
| CN106188582A (en) | Surface has the preparation method of the polydimethylsiloxane microsphere of pleated structure | |
| CN104744841A (en) | Adsorption type thermosensitive cross-linking agent masterbatch and preparation method thereof | |
| CN109110770A (en) | The method that silica-amine composite xerogel prepares porous silica microballoon as solid base | |
| CN105037802B (en) | A kind of preparation method of coated with silica sulfur microcapsule | |
| CN106221542A (en) | A kind of wear-resisting anti static antibacterial coating and preparation method thereof | |
| KR20230009378A (en) | Airgel manufacturing method and airgel obtained using the method | |
| CN109161280B (en) | Heat-resistant energy-saving heat-insulating building coating and preparation method thereof | |
| CN106939135A (en) | A kind of preparation method based on nano-titanium dioxide modified self-cleaning antibacterial coating | |
| CN108239304A (en) | A kind of method for preparing modified rubber special graphite alkene-zinc oxide composite assistant | |
| CN106146954A (en) | A kind of prepare the method filling black rubber masterbatch and the product prepared by the method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20211020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |