CN109096769A - A kind of high-strength anti-flaming silicone rubber compound - Google Patents
A kind of high-strength anti-flaming silicone rubber compound Download PDFInfo
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- CN109096769A CN109096769A CN201810546554.XA CN201810546554A CN109096769A CN 109096769 A CN109096769 A CN 109096769A CN 201810546554 A CN201810546554 A CN 201810546554A CN 109096769 A CN109096769 A CN 109096769A
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- silicone oil
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- 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
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2272—Ferric oxide (Fe2O3)
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/006—Additives being defined by their surface area
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Organic Insulating Materials (AREA)
Abstract
The present invention provides a kind of bicomponent high-strength degree flame-proof silicon rubber compositions and preparation method thereof, take modified transition metal fire retardant；Vinyl silicone oil, fume colloidal silica, processing aid and catalyst are simultaneously kneaded, and component A is obtained；It takes vinyl silicone oil, containing hydrogen silicone oil, inhibitor and is kneaded, obtain component B；The mixing of component A, B, vacuum defoamation obtain high-strength anti-flaming silicone rubber compound；Toxic gas is not generated when the silicone rubber compound burning synthesized by this method, and physical property under high temperature, electrical property is good.
Description
Technical field
The present invention relates to a kind of silicone rubber compounds, and in particular to a kind of high-strength anti-flaming silicone rubber compound.
Background technique
In recent years, silicon rubber flame-retardant technology was increasingly becoming the hot spot of people's concern and research.Silicon rubber is although non-toxic and tasteless,
High-low temperature resistant, weatherability, electrical insulation capability are good, but itself is flammable, it is therefore desirable to carry out it is flame-retardant modified, to expand it in electronics electricity
The application of the industries such as gas, machinery, chemical industry.
Because SI-O chemistry bond energy is (106) kcal/mol, and there is the performance of inorganic compound, silicon rubber heat-resisting insulating properties
It is got well than common synthetic rubber, but itself is flammable, it is therefore desirable to carry out flame-retardant modified, be used for the exhausted field of high pressure.
Summary of the invention
In order to solve the problems in the existing technology, the present invention provides a kind of bicomponent high-strength degree flame-proof silicon rubber groups
Close object.
Technical proposal that the invention solves the above-mentioned problems are as follows: take modified transition metal fire retardant；Vinyl silicone oil, vapor phase method
White carbon black, processing aid and catalyst are simultaneously kneaded, and component A is obtained；Vinyl silicone oil, containing hydrogen silicone oil, inhibitor is taken to go forward side by side
Row is kneaded, and obtains component B；The mixing of component A, B, vacuum defoamation obtain high-strength anti-flaming silicone rubber compound, and raw material are pressed
Parts by weight include following component: 100 parts of vinyl silicone oil, 0.2 ~ 5 part of platinum complex compound, 2 ~ 20 parts of fume colloidal silica, modified
20 ~ 30 parts of transition metal fire retardant, 5 ~ 20 parts of containing hydrogen silicone oil, 0.2 ~ 10 part of inhibitor, 2 ~ 8 parts of processing aid；
Preparation method includes the following steps:
Step 1: synthesis modification transition metal fire retardant, the fumed silica for taking 50 parts of silane coupling agents to handle, 2 parts of platinum networks
Object and 20 parts of iron oxide low whipping speed 500r/min, 40 ~ 50 DEG C of temperature are closed, 30 ~ 60min is stirred, obtains modified transition metal
Fire retardant；
Step 2 prepares component A: taking 100 parts of vinyl silicone oils, 25 parts of modified transition metal fire retardants, 10 parts of specific surface areas are
The fume colloidal silica of 150m2/g, 5 parts of processing aids and 300ppm parts of chloroplatinic acid-isopropanol complex are simultaneously kneaded, and are obtained
Component A；
Step 3: the vinyl silicone oil, 10 parts of containing hydrogen silicone oils, 0.2 part of inhibitor for taking 10 parts of 25 DEG C of viscosity to be 10000 are kneaded,
Obtain B component；
Step 4: component A, B is mixed according to the ratio of 10:1-2, vacuum defoamation 30 minutes, obtains high-strength anti-flaming silicon rubber group
Close object；
It is further, described that take vinyl silicone oil medium vinyl content be 0.1 ~ 4.0mol%, 25 DEG C of viscosity are 2000 ~
20000cps；
Further, it is 200 ~ 300m2/g that fumed silica, which is specific surface area, in the step 1, and iron oxide is α-Fe2O3,
Silane coupling agent is the combination of KH-560, KH-550, vinyltrimethoxysilane, one or more；
Further, the fume colloidal silica is 50 ~ 200m2/g of reference area；
Further, narrate containing hydrogen silicone oil be 25 DEG C of viscosity of containing hydrogen silicone oil that hydrogen content is 0.8mol% ~ 2mol% be 100 ~
1000cps；
Further, platinum complex compound is chloroplatinic acid-octanol solution, chloroplatinic acid-divinyl tetramethyl disiloxane complex compound
In any one or combinations thereof；
Further, processing aid is hexamethyldisilazane；
Further, the inhibitor is acetylene alcohol or propilolic alcohol.
The present invention have the utility model has the advantages that
Toxic gas is not generated when the silicone rubber compound burning synthesized by this method, and physical property under high temperature, electrical property is equal
Well.
Specific embodiment
The present invention is further illustrated With reference to embodiment.
Embodiment 1:
A kind of high-strength anti-flaming silicone rubber compound, raw material include following component by weight: 100 parts of vinyl silicone oil,
0.2 ~ 5 part of platinum complex compound, 2 ~ 20 parts of fume colloidal silica, 20 ~ 30 parts of modified transition metal fire retardant, containing hydrogen silicone oil 5 ~ 20
Part, 0.2 ~ 10 part of inhibitor, 2 ~ 8 parts of processing aid；
It is further, described that take vinyl silicone oil medium vinyl content be 0.1 ~ 4.0mol%, 25 DEG C of viscosity are 2000 ~
20000cps；
Further, it is 200 ~ 300m2/g that fumed silica, which is specific surface area, in the step 1, and iron oxide is α-Fe2O3,
Silane coupling agent is the combination of KH-560, KH-550, vinyltrimethoxysilane, one or more；
Further, the fume colloidal silica is 50 ~ 200m2/g of reference area；
Further, narrate containing hydrogen silicone oil be 25 DEG C of viscosity of containing hydrogen silicone oil that hydrogen content is 0.8mol% ~ 2mol% be 100 ~
1000cps；
Further, platinum complex compound is chloroplatinic acid-octanol solution, chloroplatinic acid-divinyl tetramethyl disiloxane complex compound
In any one or combinations thereof；
Further, processing aid is hexamethyldisilazane；
Further, the inhibitor is acetylene alcohol or propilolic alcohol；
Preparation method includes the following steps:
Step 1: synthesis modification transition metal fire retardant, the fumed silica for taking 50 parts of silane coupling agents to handle, 2 parts of platinum networks
Object and 20 parts of iron oxide low whipping speed 500r/min, 40 ~ 50 DEG C of temperature are closed, 30 ~ 60min is stirred, obtains modified transition metal
Fire retardant；
Step 2 prepares component A: taking vinyl silicone oil, 25 parts of modified transition metals that 100 parts of 25 DEG C of viscosity are 5000cps fire-retardant
Agent, 10 parts of specific surface areas are the fume colloidal silica of 150m2/g, 5 parts of hexamethyldisilazane and 300ppm parts (with Pt content
Meter) it chloroplatinic acid-isopropanol complex and is kneaded, obtain component A；
Step 3: taking the vinyl silicone oil that 10 parts of 25 DEG C of viscosity are 10000,10 containing hydrogen silicone oils (hydrogen content 15mol%), 0.2 part
Acetylene alcohol is kneaded, and B component is obtained；
Step 4: component A, B is mixed according to the ratio of 10:1-2, vacuum defoamation 30 minutes, obtains high-strength anti-flaming silicon rubber group
Close object.
Embodiment 2:
Compared with Example 1, embodiment 2 the difference is that, using 25 DEG C of viscosity of vinyl silicone oil be 10000 vinyl silicon
Oil.
Comparative example 1:
Compared with Example 1, comparative example 1 the difference is that, do not use modified transition metal fire retardant.
The properties of product of embodiment 1-2 and comparative example 1 are as shown in table 1:
Table 1:
| Embodiment 1 | Embodiment 2 | Comparative example 1 | |
| Tensile strength kfg/mm2 | 1.13 | 1.10 | 1.00 |
| Extension rate % | 340 | 330 | 300 |
| Hardness | 74 | 72 | 69 |
| Limit oxygen index | 33 | 35 | 20 |
Toxic gas is not generated when the silicone rubber compound burning synthesized by this method, and physical property under high temperature, electrical property is equal
Well.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
It imitates embodiment and is applied to other fields, but without departing from the technical solutions of the present invention, according to the technical essence of the invention
Any simple modification, equivalent variations and remodeling to the above embodiments, still fall within the protection scope of technical solution of the present invention.
Claims (8)
1. a kind of bicomponent high-strength degree flame-proof silicon rubber composition, which is characterized in that its raw material includes following group by weight
Point: 100 parts of vinyl silicone oil, 0.2 ~ 5 part of platinum complex compound, 2 ~ 20 parts of fume colloidal silica, modified transition metal fire retardant 20 ~
30 parts, 5 ~ 20 parts of containing hydrogen silicone oil, 0.2 ~ 10 part of inhibitor, 2 ~ 8 parts of processing aid；
Its preparation process the following steps are included:
Step 1: synthesis modification transition metal fire retardant, the fumed silica for taking 50 parts of silane coupling agents to handle, 2 parts of platinum networks
Object and 20 parts of iron oxide low whipping speed 500r/min, 40 ~ 50 DEG C of temperature are closed, 30 ~ 60min is stirred, obtains modified transition metal
Fire retardant；
Step 2 prepares component A: taking 100 parts of vinyl silicone oils, 25 parts of modified transition metal fire retardants, 10 parts of specific surface areas are
The fume colloidal silica of 150m2/g, 5 parts of processing aids and 300ppm parts of chloroplatinic acid-isopropanol complex are simultaneously kneaded, and are obtained
Component A；
Step 3: the vinyl silicone oil, 10 parts of containing hydrogen silicone oils, 0.2 part of inhibitor for taking 10 parts of 25 DEG C of viscosity to be 10000 are kneaded,
Obtain B component；
Step 4: component A, B is mixed according to the ratio of 10:1-2, vacuum defoamation 30 minutes, obtains high-strength anti-flaming silicon rubber group
Close object.
2. a kind of high-strength anti-flaming silicone rubber compound as described in claim 1, which is characterized in that described to take vinyl silicone oil
Medium vinyl content is 0.1 ~ 4.0mol%, and 25 DEG C of viscosity are 2000 ~ 20000cps.
3. a kind of high-strength anti-flaming silicone rubber compound as described in claim 1, it is characterised in that gas phase two in the step 1
Silica is that specific surface area is 200 ~ 300m2/g, and iron oxide is α-Fe2O3, and silane coupling agent is KH-560, KH-550, ethylene
Base trimethoxy silane, one or more of combinations.
4. a kind of high-strength anti-flaming silicone rubber compound as described in claim 1, which is characterized in that the fume colloidal silica
For 50 ~ 200m2/g of reference area.
5. a kind of high-strength anti-flaming silicone rubber compound as described in claim 1, which is characterized in that the containing hydrogen silicone oil is hydrogen
25 DEG C of viscosity of containing hydrogen silicone oil that content is 0.8mol% ~ 2mol% are 100 ~ 1000cps.
6. a kind of high-strength anti-flaming silicone rubber compound as described in claim 1, which is characterized in that platinum complex compound is chlorine platinum
Acid-octanol solution, in chloroplatinic acid-divinyl tetramethyl disiloxane complex compound any one or combinations thereof.
7. a kind of high-strength anti-flaming silicone rubber compound as described in claim 1, which is characterized in that processing aid is hexamethyl
Disilazane.
8. a kind of high-strength anti-flaming silicone rubber compound as described in claim 1, it is characterised in that: the inhibitor is acetylene
Alcohol or propilolic alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546554.XA CN109096769A (en) | 2018-05-31 | 2018-05-31 | A kind of high-strength anti-flaming silicone rubber compound |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546554.XA CN109096769A (en) | 2018-05-31 | 2018-05-31 | A kind of high-strength anti-flaming silicone rubber compound |
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| CN109096769A true CN109096769A (en) | 2018-12-28 |
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| CN201810546554.XA Pending CN109096769A (en) | 2018-05-31 | 2018-05-31 | A kind of high-strength anti-flaming silicone rubber compound |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940671A (en) * | 2021-03-03 | 2021-06-11 | 江苏科技大学 | Preparation method of organosilicon foam material with high flame retardant property |
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|---|---|---|---|---|
| CN102876048A (en) * | 2012-10-15 | 2013-01-16 | 安徽欣万顺安全装备科技有限公司 | Flame-retardant and anti-static silica gel and preparation process thereof |
| CN103342896A (en) * | 2013-06-26 | 2013-10-09 | 苏州天脉导热科技有限公司 | High temperature resistant heat-conducting silica gel sheet and preparation method thereof |
| CN107099148A (en) * | 2017-06-06 | 2017-08-29 | 江苏五信新材料科技股份有限公司 | A kind of VHD room temperature vulcanization bi-component fireproof silicone rubber and preparation method thereof |
| CN107501686A (en) * | 2017-09-14 | 2017-12-22 | 如皋市乐恒化工有限公司 | A kind of modified insulating materials |
| CN107523063A (en) * | 2017-09-25 | 2017-12-29 | 湖北兴瑞化工有限公司 | A kind of two component flame retardant liquid silastic and preparation method thereof |
-
2018
- 2018-05-31 CN CN201810546554.XA patent/CN109096769A/en active Pending
Patent Citations (5)
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| CN102876048A (en) * | 2012-10-15 | 2013-01-16 | 安徽欣万顺安全装备科技有限公司 | Flame-retardant and anti-static silica gel and preparation process thereof |
| CN103342896A (en) * | 2013-06-26 | 2013-10-09 | 苏州天脉导热科技有限公司 | High temperature resistant heat-conducting silica gel sheet and preparation method thereof |
| CN107099148A (en) * | 2017-06-06 | 2017-08-29 | 江苏五信新材料科技股份有限公司 | A kind of VHD room temperature vulcanization bi-component fireproof silicone rubber and preparation method thereof |
| CN107501686A (en) * | 2017-09-14 | 2017-12-22 | 如皋市乐恒化工有限公司 | A kind of modified insulating materials |
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| 郑水林: "《粉体表面改性》", 31 August 2003, 中国建材工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112940671A (en) * | 2021-03-03 | 2021-06-11 | 江苏科技大学 | Preparation method of organosilicon foam material with high flame retardant property |
| CN112940671B (en) * | 2021-03-03 | 2022-08-26 | 江苏科技大学 | Preparation method of organosilicon foam material with high flame retardant property |
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Application publication date: 20181228 |