CN107868468A - A kind of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber and preparation method thereof - Google Patents
A kind of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber and preparation method thereof Download PDFInfo
- Publication number
- CN107868468A CN107868468A CN201610849271.3A CN201610849271A CN107868468A CN 107868468 A CN107868468 A CN 107868468A CN 201610849271 A CN201610849271 A CN 201610849271A CN 107868468 A CN107868468 A CN 107868468A
- Authority
- CN
- China
- Prior art keywords
- parts
- mixer
- minutes
- heat conductive
- added
- 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.)
- Pending
Links
Classifications
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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)
Abstract
This application discloses a kind of heat conductive flame-retarding single-component room-temperature-vulsilicone silicone rubber and preparation method thereof, it is parts by weight that it, which includes 300 parts of hydroxy silicon oils, 3~4 parts of tetraethyl orthosilicates, 150~180 parts of aluminium hydroxides, 40~50 parts of magnesium hydroxides, 80~100 parts of melamine cyanurates, 140~160 parts of calcium carbonate, 4~5 parts of hexa methyl silazanes, 30~40 parts of MTMSs and 4~5 parts of titanate esters, the number,.Heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber by the application and preparation method thereof, the raw material of powdered raw material and liquid is fully compatible several times, obtained product thermal conductivity and flame retardant rating excellent performance, there is good stability simultaneously, it is easy to store, be not easy precipitated and separated, will not bleed, so as to keep the dry and comfortable of silastic surface and cleaning.
Description
Technical field
The application belongs to silastic material technical field, specifically, it is single-component room-temperature vulcanized to be related to a kind of heat conductive flame-retarding
Silicon rubber and preparation method thereof.
Background technology
Increasing organic silicon potting adhesive applies to electronics industry, resistance of many electronic products to organic casting glue at present
Combustion property, thermal conductivity and stability requirement more and more higher.
Current many single-component room temperature vulcanized heat conductive flame-retarding casting glues be based on hydroxy silicon oil polymer, fireproof powder and
Conductive powder is filler, and its preparation method is after raw material is kneaded in kneader, then hydroxy silicon oil is added in mixer
Dilution, and crosslinking agent and catalyst are added, it is stirred and heat conductive flame-retarding casting glue is made.However, such a preparation method is in reality
In operation, the sizing material being kneaded is difficult to be uniformly dispersed with substantial amounts of hydroxy silicon oil in mixer, causes sizing material to be also easy to produce precipitation
With bleed phenomenon, sizing material precipitates the storage stability and physical property that can influence sizing material；Sizing material bleed can then make silastic surface dirty
Dye, and influence the dry-ness of its surface.
The content of the invention
In order to solve the above-mentioned technical problem, this application discloses a kind of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber, 300
Part hydroxy silicon oil, 3~4 parts of tetraethyl orthosilicates, 150~180 parts of aluminium hydroxides, 40~50 parts of magnesium hydroxides, 80~100 parts of trimerizations
Cyanamide lithate, 140~160 parts of calcium carbonate, 4~5 parts of hexa methyl silazanes, 30~40 parts of MTMSs and 4~5
Part titanate esters, the number is parts by weight.
According to the embodiment of the application, above-mentioned hydroxy silicon oil is dimethyl silicone polymer, and it has at least two hydroxyls
Base is connected in the end of the chain or chain side with silicon atom, and its viscosity is 1000mPa.s~50000mPa.s.
According to the embodiment of the application, the particle diameter of above-mentioned aluminium hydroxide is 1 μm~50 μm.
According to the embodiment of the application, the particle diameter of above-mentioned magnesium hydroxide is 1 μm~50 μm.
According to the embodiment of the application, the particle diameter of above-mentioned melamine cyanurate is 1 μm~50 μm.
The application further discloses a kind of preparation method of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber, including following step
Suddenly：
(1) raw material, including 300 parts of hydroxy silicon oils, 3~4 parts of tetraethyl orthosilicates, 150~180 parts of aluminium hydroxides, 40 are prepared
~50 parts of magnesium hydroxides, 80~100 parts of melamine cyanurates, 140~160 parts of calcium carbonate, 4~5 parts of hexa methyl silazanes, 30
~40 parts of MTMSs and 4~5 parts of titanate esters, the number are parts by weight；
(2) hydroxy silicon oil and tetraethyl orthosilicate are added in mixer, the addition of the two accounts for respective total component respectively
50%, start mixer and stir 5 minutes；
(3) aluminium hydroxide, magnesium hydroxide and melamine cyanurate are added in mixer, the addition of three accounts for respectively
Each 50% of total component, start mixer and stir 90 minutes；
(4) tetraethyl orthosilicate is added in mixer, its addition accounts for the 25% of its total component, starts mixer stirring 5
Minute；
(5) aluminium hydroxide, magnesium hydroxide and melamine cyanurate are added in mixer, the addition of three accounts for respectively
Each 25% of total component, start mixer and stir 90 minutes；
(6) repeat step (4) and (5) one by one；
(7) hexa methyl silazane is added in mixer, starts mixer and stir 90 minutes；
(8) remaining hydroxy silicon oil and calcium carbonate are added in mixer, starts mixer and stir 60 minutes, stirring finishes
Form mixture M；
(9) mixture M is milled with grinding mill, transfers in the mixer and stir after milling, and heated mixed
Compound M；
(10) when the temperature of mixture M rises to 120 DEG C, 5 parts of water are added into mixer, starts mixer and stirs 20 points
Clock, 5 parts of water are added, continue stirring 20 minutes；
(11) mixer is vacuumized, when negative pressure is below -0.9Mpa, starts mixer and stir 60 minutes, stirred
Bi Hou, keep vacuum and cool down mixture M；
(12) MTMS and titanate esters are added in mixer, stirred 30 minutes, finished product.
According to the embodiment of the application, above-mentioned mixer is planetary mixer.
According to the embodiment of the application, above-mentioned grinding mill is three-roll mill.
Heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber by the application and preparation method thereof, several times will be powdered
Raw material and the raw material of liquid are fully compatible, obtained product thermal conductivity and flame retardant rating excellent performance, while are had good steady
It is qualitative, be easy to store, be not easy precipitated and separated, will not bleed, so as to keep the dry and comfortable of silastic surface and cleaning.
Embodiment
Multiple embodiments of the application will be disclosed below, as clearly stated, details in many practices will with
Illustrate in the lump in lower narration.It should be appreciated, however, that the details in these practices is not applied to limit the application.That is,
In some embodiments of the application, the details in these practices is non-essential.
The present invention provides a kind of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber, it include 300 parts of hydroxy silicon oils, 3~4 parts
Tetraethyl orthosilicate, 150~180 parts of aluminium hydroxides, 40~50 parts of magnesium hydroxides, 80~100 parts of melamine cyanurates, 140~
160 parts of calcium carbonate, 4~5 parts of hexa methyl silazanes, 30~40 parts of MTMSs and 4~5 parts of titanate esters, described part
Number is parts by weight.Wherein hydroxy silicon oil is dimethyl silicone polymer, and it has at least two hydroxyls in the end of the chain or chain side, and
It is connected with silicon atom, its viscosity is 1000mPa.s~50000mPa.s；Tetraethyl orthosilicate and hexa methyl silazane are powder handling
Agent；Aluminium hydroxide and magnesium hydroxide are as thermal conducting agent, and its particle diameter is respectively 1 μm~50 μm, and melamine cyanurate is as fire-retardant
Agent, its particle diameter are 1 μm~50 μm；Calcium carbonate is reinforced filling, and MTMS is crosslinking agent, and titanate esters are catalysis
Agent.
More specifically, aluminium hydroxide, magnesium hydroxide, melamine cyanurate and calcium carbonate are powdered, remaining raw material
It is all liquid.As powder handling agent, it is organic that it coats each one layer of powder stock formation for tetraethyl orthosilicate and hexa methyl silazane
Film, according to similar compatibility principle so that each powder is preferably dissolved in hydroxy silicon oil, mixes more uniform.
The preparation method of the heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber of the description below the application.First, it is ready to
Raw material to be stated, hydroxy silicon oil and tetraethyl orthosilicate are added in mixer, the addition of the two accounts for the 50% of each total component respectively,
Start mixer to stir 5 minutes；Then aluminium hydroxide, magnesium hydroxide and melamine cyanurate are added in mixer, three
Addition account for the 50% of each total component respectively, start mixer and stir 90 minutes；Tetraethyl orthosilicate is added into mixer again
In, its addition accounts for the 25% of its total component, starts mixer and stirs 5 minutes；Then by aluminium hydroxide, magnesium hydroxide and trimerization
Cyanamide lithate is added in mixer, and the addition of three accounts for the 25% of each total component respectively, is started mixer and is stirred 90 points
Clock；Remaining tetraethyl orthosilicate is added into mixer, starts mixer and stirs 5 minutes；By remaining aluminium hydroxide, magnesium hydroxide
And melamine cyanurate is added in mixer, start mixer and stir 90 minutes.Then hexa methyl silazane is added and stirred
In machine, after starting mixer stirring 90 minutes, remaining hydroxy silicon oil and whole calcium carbonate are added in mixer, start stirring
Machine stirs 60 minutes, and stirring finishes to form mixture M.Mixture M is moved in grinding mill and milled, is turned again after milling
Move in mixer and stir, heat mixture M while stirring.When the temperature of mixture M rises to 120 DEG C, 5 parts of water are added extremely
In mixer, start mixer and stir 20 minutes, add 5 parts of water, continue stirring 20 minutes.Then mixer is vacuumized,
So that producing negative pressure in mixer, when negative pressure is below -0.9Mpa, starts mixer and stir 60 minutes, after stirring, protect
Hold vacuum and cool down mixture M to room temperature.Finally MTMS and titanate esters are added in mixer, stir 30 points
Clock, finished product.Preferably, mixer is planetary mixer, and grinding mill is three-roll mill, so as to mix more each raw material
Add uniformly.
The application is described in detail with reference to embodiment.
Embodiment 1
Prepare raw material, including a that 300 parts of viscosity are 1000mPa.s, w- dialkyl polydimethylsiloxanes, 4 parts of positive silicic acid
Ethyl ester, 180 parts of aluminium hydroxides, 50 parts of magnesium hydroxides, 100 parts of melamine cyanurates, 160 parts of calcium carbonate, 5 parts of hexamethyl silicon nitrogen
Alkane, 40 parts of MTMSs and 5 parts of titanate esters, wherein the number is parts by weight.First by 150 parts of a, w- dihydroxies
Base dimethyl silicone polymer and 2 parts of tetraethyl orthosilicates, add in mixer, start mixer and stir 5 minutes；Then by 90 parts of hydrogen
Aluminum oxide, 25 parts of magnesium hydroxides and 50 parts of melamine cyanurates are added in mixer, are started mixer and are stirred 90 minutes；Again will
1 part of tetraethyl orthosilicate is added in mixer, is started mixer and is stirred 5 minutes；Then by 45 parts of aluminium hydroxides, 12.5 parts of hydroxides
Magnesium and 25 parts of melamine cyanurates are added in mixer, are started mixer and are stirred 90 minutes；By remaining 1 part of tetraethyl orthosilicate
Mixer is added, starts mixer and stirs 5 minutes；By remaining 45 parts of aluminium hydroxide, 12.5 magnesium hydroxides and 25 parts of melamines
Aminuria hydrochlorate is added in mixer, is started mixer and is stirred 90 minutes.Then 5 parts of hexa methyl silazanes are added in mixer,
After starting mixer stirring 90 minutes, by remaining 150 parts of a, w- dialkyl polydimethylsiloxanes and 160 parts of calcium carbonate add
In mixer, start mixer and stir 60 minutes, stirring finishes to form mixture M.Mixture M is moved in grinding mill and ground
Mill, transfers in mixer after milling and stirs, and heats mixture M while stirring.When the temperature of mixture M rises to
At 120 DEG C, 5 parts of water are added into mixer, are started mixer and are stirred 20 minutes, add 5 parts of water, continue stirring 20 minutes.
Then mixer is vacuumized so that negative pressure is produced in mixer, when negative pressure is below -0.9Mpa, starts mixer stirring
60 minutes, after stirring, keep vacuum and cool down mixture M to room temperature.Finally by 40 parts of MTMSs and 5 parts
Titanate esters are added in mixer, are stirred 30 minutes, finished product A1.
Embodiment 2
Prepare raw material, including a that 300 parts of viscosity are 20000mPa.s, w- dialkyl polydimethylsiloxanes, 3.5 parts just
Silester, 170 parts of aluminium hydroxides, 45 parts of magnesium hydroxides, 90 parts of melamine cyanurates, 150 parts of calcium carbonate, 4.5 parts of pregnancy
Base silazane, 35 parts of MTMSs and 4.5 parts of titanate esters, wherein the number is parts by weight.It will be ready to
Raw material operated by the step of embodiment 1, finished product A2.
Embodiment 3
Prepare raw material, including a that 300 parts of viscosity are 50000mPa.s, w- dialkyl polydimethylsiloxanes, 3 parts of positive silicon
Acetoacetic ester, 160 parts of aluminium hydroxides, 40 parts of magnesium hydroxides, 80 parts of melamine cyanurates, 140 parts of calcium carbonate, 4 parts of hexamethyl silicon
Azane, 30 parts of MTMSs and 4 parts of titanate esters, wherein the number is parts by weight.By ready raw material
Operated by the step of embodiment 1, finished product A3.
Comparative example 1
Prepared according to the preparation method of embodiment 1, unlike, tetraethyl orthosilicate is not included in raw material, is finally made into
Product D1.
Comparative example 2
Prepared according to the preparation method of embodiment 1, unlike, the melamine cyanurate in raw material is replaced with aluminium hydroxide
Generation, final finished product D2.
Comparative example 3
Prepared according to the preparation method of embodiment 1, unlike, tetraethyl orthosilicate is added several times in embodiment 1 and stirred
Mix in machine and stir, the present embodiment is once all to add tetraethyl orthosilicate in mixer, final finished product D3.
By finished product A1, A2, A3 and D1 obtained above, D2, D3 according to its surface drying time of GB/T-13477 standard testings；Press
According to 0.2MPa air pressure, a diameter of 5mm Jiao Zui extrusions finished product 10s, to test its extrudability；It is fire-retardant etc. according to UL-94 standard testings
Level；Vulcanize 7 × 12h under the conditions of 23 ± 2 DEG C and 50 ± 5%RH, thermal conductivity factor is tested using conductometer.By prepared non-sulphur
Chemical conversion product are sealed in glass packing element, are placed 12 days in 80 DEG C of baking ovens, test its surface drying time, extrudability, flame retardant rating and
Thermal conductivity factor, the storage stability of silicon rubber is judged with this；Prepared unvulcanized finished product is sealed in Clear glass bottles and jars,
Placed 12 days in 80 DEG C of baking ovens, then observe whether it is layered, no layering then illustrates that compatibility is good.Above-mentioned test result such as table
Shown in 1.
Table 1
It can be seen from Table 1 that pass through the thermal conductivity of finished product made from the formula and preparation method of the present invention and fire-retardant etc.
Level performance protrudes, and has good compatibility.
In summary, in one or more embodiments of the application, the heat conductive flame-retarding single-component room-temperature sulphur of the application is passed through
SiClx rubber and preparation method thereof, the raw material of powdered raw material and liquid is fully compatible several times, obtained product heat conduction
Property and flame retardant rating excellent performance, while there is good stability, be easy to store, be not easy precipitated and separated, will not bleed, so as to
Keep the dry and comfortable of silastic surface and cleaning.
Some preferred embodiments of the present invention have shown and described in described above, but as previously described, it should be understood that the present invention
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and above-mentioned teaching or the technology or knowledge of association area can be passed through in the scope of the invention is set forth herein
It is modified., then all should be in this hair and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In the protection domain of bright appended claims.
Claims (8)
- A kind of 1. heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber, it is characterised in that including 300 parts of hydroxy silicon oils, 3~4 parts just Silester, 150~180 parts of aluminium hydroxides, 40~50 parts of magnesium hydroxides, 80~100 parts of melamine cyanurates, 140~160 Part calcium carbonate, 4~5 parts of hexa methyl silazanes, 30~40 parts of MTMSs and 4~5 parts of titanate esters, the number are equal For parts by weight.
- 2. heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber as claimed in claim 1, it is characterised in that the hydroxy silicon oil is Dimethyl silicone polymer, it has at least two hydroxyls in the end of the chain or chain side, and is connected with silicon atom, and its viscosity is 1000mPa.s~50000mPa.s.
- 3. heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber as claimed in claim 1, it is characterised in that the aluminium hydroxide Particle diameter is 1 μm~50 μm.
- 4. heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber as claimed in claim 1, it is characterised in that the magnesium hydroxide Particle diameter is 1 μm~50 μm.
- 5. heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber as claimed in claim 1, it is characterised in that the melamine aminuria The particle diameter of hydrochlorate is 1 μm~50 μm.
- A kind of 6. preparation method of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber as claimed in claim 1, it is characterised in that Comprise the following steps：(1) raw material, including 300 parts of hydroxy silicon oils, 3~4 parts of tetraethyl orthosilicates, 150~180 parts of aluminium hydroxides, 40~50 are prepared Part magnesium hydroxide, 80~100 parts of melamine cyanurates, 140~160 parts of calcium carbonate, 4~5 parts of hexa methyl silazanes, 30~40 Part MTMS and 4~5 parts of titanate esters, the number are parts by weight；(2) hydroxy silicon oil and tetraethyl orthosilicate are added in mixer, the addition of the two accounts for respective total component respectively 50%, start the mixer and stir 5 minutes；(3) aluminium hydroxide, magnesium hydroxide and melamine cyanurate are added in the mixer, the addition point of three The 50% of each total component is not accounted for, is started the mixer and is stirred 90 minutes；(4) tetraethyl orthosilicate is added in the mixer, its addition accounts for the 25% of its total component, starts the stirring Machine stirs 5 minutes；(5) aluminium hydroxide, magnesium hydroxide and melamine cyanurate are added in the mixer, the addition point of three The 25% of each total component is not accounted for, is started the mixer and is stirred 90 minutes；(6) repeat step (4) and (5) one by one；(7) hexa methyl silazane is added in the mixer, starts the mixer and stir 90 minutes；(8) the remaining hydroxy silicon oil and calcium carbonate are added in the mixer, start the mixer and stir 60 minutes, Stirring finishes to form mixture M；(9) mixture M is milled with grinding mill, transfers in the mixer and stir after milling, and heat institute State mixture M；(10) when the temperature of the mixture M rises to 120 DEG C, 5 parts of water are added into the mixer, start mixer stirring 20 minutes, 5 parts of water are added, continue stirring 20 minutes；(11) mixer is vacuumized, when negative pressure is below -0.9Mpa, starts mixer and stir 60 minutes, stirred Bi Hou, keep vacuum and cool down the mixture M；(12) MTMS and titanate esters are added in the mixer, stirred 30 minutes, finished product.
- 7. the preparation method of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber as claimed in claim 6, it is characterised in that described Mixer is planetary mixer.
- 8. the preparation method of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber as claimed in claim 6, it is characterised in that described Grinding mill is three-roll mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610849271.3A CN107868468A (en) | 2016-09-23 | 2016-09-23 | A kind of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610849271.3A CN107868468A (en) | 2016-09-23 | 2016-09-23 | A kind of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107868468A true CN107868468A (en) | 2018-04-03 |
Family
ID=61751758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610849271.3A Pending CN107868468A (en) | 2016-09-23 | 2016-09-23 | A kind of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107868468A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404051A (en) * | 2022-09-24 | 2022-11-29 | 宁波聚力新材料科技有限公司 | High-thermal-conductivity easily-molded heat-conducting mud and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3696090A (en) * | 1970-09-28 | 1972-10-03 | Gen Electric | Room temperature vulcanizable silicone rubber composition |
| US4585822A (en) * | 1984-10-29 | 1986-04-29 | Sws Silicones Corporation | Thermally conductive room temperature vulcanizable compositions |
| CN103396757A (en) * | 2013-08-02 | 2013-11-20 | 东莞兆舜有机硅新材料科技有限公司 | Single-component dealcoholization-type flame-retardant room temperature vulcanized (RTV) silicone rubber sealant and preparation method thereof |
| CN103450689A (en) * | 2013-09-04 | 2013-12-18 | 东莞兆舜有机硅新材料科技有限公司 | Single-component heat-conducting flame-retardant type RTV (Room Temperature Vulcanization) silicon rubber and preparation method thereof |
| CN104672912A (en) * | 2015-02-09 | 2015-06-03 | 成都拓利化工实业有限公司 | Special single-component jointing and gap filling silicon rubber for curing EMAS at room temperature and preparation method of special single-component jointing and gap filling silicon rubber |
-
2016
- 2016-09-23 CN CN201610849271.3A patent/CN107868468A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3696090A (en) * | 1970-09-28 | 1972-10-03 | Gen Electric | Room temperature vulcanizable silicone rubber composition |
| US4585822A (en) * | 1984-10-29 | 1986-04-29 | Sws Silicones Corporation | Thermally conductive room temperature vulcanizable compositions |
| CN103396757A (en) * | 2013-08-02 | 2013-11-20 | 东莞兆舜有机硅新材料科技有限公司 | Single-component dealcoholization-type flame-retardant room temperature vulcanized (RTV) silicone rubber sealant and preparation method thereof |
| CN103450689A (en) * | 2013-09-04 | 2013-12-18 | 东莞兆舜有机硅新材料科技有限公司 | Single-component heat-conducting flame-retardant type RTV (Room Temperature Vulcanization) silicon rubber and preparation method thereof |
| CN104672912A (en) * | 2015-02-09 | 2015-06-03 | 成都拓利化工实业有限公司 | Special single-component jointing and gap filling silicon rubber for curing EMAS at room temperature and preparation method of special single-component jointing and gap filling silicon rubber |
Non-Patent Citations (1)
| Title |
|---|
| BAREIRO ETAL.: "Tetraethylorthosilicate (TEOS) applied in the surface modification of hydroxyapatite to develop polydimethylsiloxane/hydroxyapatite composites", 《COLLOIDS AND SURFACES B: BIOINTERFACES》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115404051A (en) * | 2022-09-24 | 2022-11-29 | 宁波聚力新材料科技有限公司 | High-thermal-conductivity easily-molded heat-conducting mud and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107793992B (en) | A kind of additional organosilicon casting glue and preparation method thereof | |
| CN103881341B (en) | Tung oil derivative-modified unsaturated polyester resin composition and preparation method thereof | |
| CN101560372B (en) | Method for preparing one-step molding organic silicon self-adhesive pressure sensitive adhesive | |
| CN103265813A (en) | Foaming type encapsulating silica gel composition | |
| CN109735112A (en) | Additional organosilicon thermally conductive gel and preparation method thereof | |
| Nie et al. | Research on starch‐g‐polyvinyl acetate and epoxy resin‐modified corn starch adhesive | |
| CN105670555A (en) | High heat conductivity organosilicon potting compound | |
| TW201439266A (en) | Moisture-curable hot melt silicone adhesive compositions including an alkoxy-functional siloxane reactive resin | |
| JP2013127022A (en) | Thermosetting resin composition, sealing material, and electronic parts using them | |
| CN107779154A (en) | A kind of preparation and application of PET flexible copper-clad plates polyester adhesive | |
| CN108410416A (en) | A kind of embedding silica gel and its preparation method and application | |
| CN106415828A (en) | Heat-conductive sheet | |
| CN108130039A (en) | A kind of low-gravity low viscosity heat conduction casting glue and preparation method thereof | |
| CN106189252B (en) | A kind of one-component flame-resistant high-temperature-resistant box dam glue and preparation method thereof | |
| CN103865271A (en) | Nano hybrid material modified organosilicone heat-conductive electronic pouring sealant and preparation method of sealant | |
| JP6251575B2 (en) | Sheet-like thermosetting resin composition for encapsulating electronic components, resin-encapsulated semiconductor device, and method for producing resin-encapsulated semiconductor device | |
| CN104073185A (en) | Silicone oil release film with sticky surface and production process of silicone oil release film | |
| CN105950099B (en) | A kind of single-component de-alcoholized room temperature vulcanized silicone rubber and preparation method thereof, application | |
| CN104497580A (en) | Two-component addition type high-fire-retardant silica gel with low compression deformation and preparation method thereof | |
| CN102942895A (en) | Heat-conduction electronic potting adhesive and preparation method thereof | |
| CN106147392A (en) | A kind of packaging for foodstuff printing water ink and preparation method thereof | |
| CN108441152A (en) | A kind of new waterproof adhesive and preparation method thereof | |
| CN107868468A (en) | A kind of heat conductive flame-retarding single-component room-temperature vulcanized silicone rubber and preparation method thereof | |
| CN103131192B (en) | Liquid silicone rubber base sizing material and preparation method thereof as well as organic silicon coating using sizing material and preparation method thereof | |
| CN103408938A (en) | Addition type liquid silicone rubber compound used for manufacturing pad printing rubber head and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180403 |
|
| RJ01 | Rejection of invention patent application after publication |