CN105924976A - Silicone rubber composite containing nanometer SiBCN ceramic particles and preparation method of silicone rubber composite - Google Patents
Silicone rubber composite containing nanometer SiBCN ceramic particles and preparation method of silicone rubber composite Download PDFInfo
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- CN105924976A CN105924976A CN201610315730.XA CN201610315730A CN105924976A CN 105924976 A CN105924976 A CN 105924976A CN 201610315730 A CN201610315730 A CN 201610315730A CN 105924976 A CN105924976 A CN 105924976A
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- silicon
- silicone rubber
- ceramic particle
- boron nitrogen
- nitrogen carbon
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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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C08K3/38—Boron-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Ceramic Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a silicone rubber composite containing nanometer SiBCN ceramic particles and a preparation method of the silicone rubber composite. The composite is prepared from, by mass, 60-80% of silicone rubber, 10-30% of the nanometer SiBCN ceramic particles, 0.5-2% of a vulcanizing agent and 10-30% of white carbon black, wherein the sum of the mass percents of all the components is 100%. The preparation method includes the steps that the silicone rubber is plastified, then the white carbon black and the SiBCN ceramic particles are added in sequence for mixing, the materials are evenly mixed, then the vulcanizing agent is added for mixing, and mixed rubber is obtained; the mixed rubber is subjected to hot pressing, and vulcanized rubber is obtained; the vulcanized rubber is kept at the constant temperature of 180-200 DEG C for 3-5 h, and the silicon rubber composite containing the nanometer SiBCN ceramic particles is obtained. The silicone rubber composite has excellent mechanical properties and high temperature resistance, the preparation method is simple, and the preparation process is short.
Description
Technical field
The invention belongs to composite and preparation field thereof, particularly to a kind of silicone rubber containing nano-silicon boron nitrogen carbon ceramic particle
Composite and preparation method thereof.
Background technology
Silicone rubber is the elastomer silicone that high relative molecular mass polysiloxanes is made through the operation such as reinforcement, sulfuration.Silicon rubber
Glue has prominent high-low temperature resistant, radiation hardness, good weatherability and electrical insulating property etc., be widely used in Aero-Space,
The fields such as electric appliance and electronic, power cable, medical apparatus and instruments.
Pure room temperature vulcanized silicone rubber mechanical property is poor, needs to add reinforced filling and just has use value, as added inorganic silicon
Powder, calcium carbonate and Meng Tuoshi etc..The kind of filler can affect mechanical property and the resistance to elevated temperatures of silicone rubber.Current domestic system
The mechanical property of standby silicone rubber and resistance to elevated temperatures also a certain distance compared with external product, in Aero-Space and
The electric field use waiting performance requirement higher is subject to certain restrictions.
Summary of the invention
The technical problem to be solved is to provide a kind of silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle
And preparation method thereof, silicon rubber composite material prepared by this this method has good resistance to elevated temperatures, higher mechanical property.
A kind of silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle of the present invention, it is characterised in that by percent mass
Ratio includes: silicone rubber 60-80%, nano-silicon boron nitrogen carbon ceramic particle 10-30%, vulcanizing agent 0.5-2%, white carbon 10-30%,
Each constituent mass percent sum is 100%.
Described silicone rubber is methyl silicone rubber, vinylsiloxane rubber or fluorosioloxane rubber.
The particle diameter of described nano-silicon boron nitrogen carbon granule is 10-100nm.
Described vulcanizing agent is oxidation dibenzoyl or cumyl peroxide.
Mechanical attrition method is used to prepare nano-silicon boron nitrogen carbon ceramic particle.
A kind of preparation method of the silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle of the present invention, including:
(1) silicone rubber is put into rubber mixing machine to carry out moulding white silk, be then sequentially added into white carbon, silicon boron nitrogen carbon ceramic particle is carried out
Mixing, mix homogeneously, add vulcanizing agent and carry out mixing, obtain elastomeric compound；
(2) elastomeric compound in step (1) loaded mould and carry out hot pressing by hot press, obtaining vulcanizate；
(3) vulcanizate in step (2) is put into constant temperature oven solidification, in 180～200 DEG C of constant temperature 3-5h, is contained
The silicon rubber composite material of nano-silicon boron nitrogen carbon ceramic particle；Wherein, composite includes by mass percentage: silicone rubber
60-80%, nano-silicon boron nitrogen carbon ceramic particle 10-30%, vulcanizing agent 0.5-2%, white carbon 10-30%, each constituent mass hundred
Mark sum is 100%.
In described step (2), the condition of hot pressing is: temperature is set as 160～170 DEG C, and pressure is set as 7～10MPa, hot pressing
15～30min.
Nano-silicon boron nitrogen material with carbon element has the resistance to elevated temperatures of small-size effect, skin effect and excellence.In order to improve silicon rubber
The mechanical property of glue and resistance to elevated temperatures, improve reliability, and the present invention proposes a kind of containing nano-silicon boron nitrogen carbon ceramic particle
Silicon rubber composite material, and open its preparation method.
Beneficial effect
(1) preparation method of the present invention is simple, flow process is short；
(2) silicon rubber composite material of the present invention has good mechanical property and resistance to elevated temperatures.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further.Should be understood that these embodiments be merely to illustrate the present invention and
It is not used in restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, people in the art
The present invention can be made various changes or modifications by member, and these equivalent form of values fall within the application appended claims equally and limited
Scope.
Embodiment 1
(1) 70g vinylsiloxane rubber being put into rubber mixing machine to carry out moulding white silk, be then sequentially added into 10g white carbon, 19g particle diameter is
The silicon boron nitrogen carbon ceramic particle of 10-100nm carries out mixing so that it is mix homogeneously, adds 1g oxidation dibenzoyl and mixes
Refining obtains elastomeric compound；
(2) elastomeric compound loading mould and carries out hot pressing by hot press, hot press temperature is set as 165 DEG C, and pressure is set as
10MPa, hot pressing 15min, obtain vulcanizate；
(3) vulcanizate being put into constant temperature oven, oven temperature is set as 200 DEG C, and the time is 4h, makes pottery containing nano-silicon boron nitrogen carbon
The silicon rubber composite material of porcelain granule.
Embodiment 2
(1) 70g methyl silicone rubber being put into rubber mixing machine to carry out moulding white silk, be then sequentially added into 15g white carbon, 14g particle diameter is
The silicon boron nitrogen carbon ceramic particle of 10-100nm carries out mixing so that it is mix homogeneously, adds 1g cumyl peroxide and carries out
Mixing obtain elastomeric compound；
(2) elastomeric compound loading mould and carries out hot pressing by hot press, hot press temperature is set as 170 DEG C, and pressure is set as
10MPa, hot pressing 20min, obtain vulcanizate；
(3) vulcanizate being put into constant temperature oven, oven temperature is set as 200 DEG C, and the time is 4h, makes pottery containing nano-silicon boron nitrogen carbon
The silicon rubber composite material of porcelain granule.
Embodiment 3
(1) 75g vinylsiloxane rubber being put into rubber mixing machine to carry out moulding white silk, be then sequentially added into 14g white carbon, 10g particle diameter is
The silicon boron nitrogen carbon ceramic particle of 10-100nm carries out mixing so that it is mix homogeneously, adds 1g cumyl peroxide and carries out
Mixing obtain elastomeric compound；
(2) elastomeric compound loading mould and carries out hot pressing by hot press, hot press temperature is set as 170 DEG C, and pressure is set as
10MPa, hot pressing 30min, obtain vulcanizate；
(3) vulcanizate being put into constant temperature oven, oven temperature is set as 200 DEG C, and the time is 4h, makes pottery containing nano-silicon boron nitrogen carbon
The silicon rubber composite material of porcelain granule.
Claims (7)
1. the silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle, it is characterised in that include by mass percentage:
Silicone rubber 60-80%, nano-silicon boron nitrogen carbon ceramic particle 10-30%, vulcanizing agent 0.5-2%, white carbon 10-30%, each component
Mass percent sum is 100%.
A kind of silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle the most according to claim 1, it is characterised in that
Described silicone rubber is methyl silicone rubber, vinylsiloxane rubber or fluorosioloxane rubber.
A kind of silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle the most according to claim 1, it is characterised in that
The particle diameter of described nano-silicon boron nitrogen carbon granule is 10-100nm.
A kind of silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle the most according to claim 1, it is characterised in that
Described vulcanizing agent is oxidation dibenzoyl or cumyl peroxide.
5. a preparation method for the silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle, including:
(1) carry out moulding white silk by silicone rubber, be then sequentially added into white carbon, silicon boron nitrogen carbon ceramic particle carries out mixing, mix homogeneously,
Add vulcanizing agent and carry out mixing, obtain elastomeric compound；
(2) elastomeric compound in step (1) is carried out hot pressing, obtain vulcanizate；
(3) vulcanizate in step (2) is carried out isothermal curing, obtain the silicone rubber containing nano-silicon boron nitrogen carbon ceramic particle and be combined
Material；Wherein, composite includes by mass percentage: silicone rubber 60-80%, nano-silicon boron nitrogen carbon ceramic particle 10-30%,
Vulcanizing agent 0.5-2%, white carbon 10-30%, each constituent mass percent sum is 100%.
The preparation method of a kind of silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle the most according to claim 5,
It is characterized in that, in described step (2), the condition of hot pressing is: temperature is set as 160～170 DEG C, and pressure is set as 7～10MPa,
Hot pressing 15～30min.
The preparation method of a kind of silicon rubber composite material containing nano-silicon boron nitrogen carbon ceramic particle the most according to claim 5,
It is characterized in that, in described step (3), the condition of isothermal curing is: 180～200 DEG C of constant temperature 3-5h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315730.XA CN105924976A (en) | 2016-05-12 | 2016-05-12 | Silicone rubber composite containing nanometer SiBCN ceramic particles and preparation method of silicone rubber composite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610315730.XA CN105924976A (en) | 2016-05-12 | 2016-05-12 | Silicone rubber composite containing nanometer SiBCN ceramic particles and preparation method of silicone rubber composite |
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| CN105924976A true CN105924976A (en) | 2016-09-07 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6558577B1 (en) * | 1999-04-15 | 2003-05-06 | Koichi Niihara | Deformable conductive elastomer and manufacturing method thereof |
| US20070185260A1 (en) * | 2006-02-03 | 2007-08-09 | Hsi-Liang Lin | Heat-resisting silicone materials containing inorganic ceramic hollow microspheres |
| CN103819903A (en) * | 2014-03-18 | 2014-05-28 | 上海利物盛企业集团有限公司 | Nanometer silicon composite heat conduction material and preparation method thereof |
-
2016
- 2016-05-12 CN CN201610315730.XA patent/CN105924976A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6558577B1 (en) * | 1999-04-15 | 2003-05-06 | Koichi Niihara | Deformable conductive elastomer and manufacturing method thereof |
| US20070185260A1 (en) * | 2006-02-03 | 2007-08-09 | Hsi-Liang Lin | Heat-resisting silicone materials containing inorganic ceramic hollow microspheres |
| CN103819903A (en) * | 2014-03-18 | 2014-05-28 | 上海利物盛企业集团有限公司 | Nanometer silicon composite heat conduction material and preparation method thereof |
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Application publication date: 20160907 |