CN105647191B - It is a kind of that there is the flexible heat-conducting interface material and preparation method thereof for inhaling wave energy - Google Patents
It is a kind of that there is the flexible heat-conducting interface material and preparation method thereof for inhaling wave energy Download PDFInfo
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- CN105647191B CN105647191B CN201610206135.2A CN201610206135A CN105647191B CN 105647191 B CN105647191 B CN 105647191B CN 201610206135 A CN201610206135 A CN 201610206135A CN 105647191 B CN105647191 B CN 105647191B
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
Abstract
The present invention relates to a kind of flexible heat-conducting interface materials for having and inhaling wave energy, including the group of following mass fraction to be grouped as：100 parts of vinyl silicone oil, 100~1000 parts of heat filling, 100~1000 parts of absorbing material, 1~50 part of containing hydrogen silicone oil, 0.01~1 part of platinum catalyst, 0.01~1 part of inhibitor, advantages of the present invention：Pass through vinyl silicone oil, heat filling, absorbing material, containing hydrogen silicone oil, mixture production high heat conduction calking circle of platinum catalyst, inhibitor mixed, due to the addition of absorbing material, make mixture that there is good electromagnetic parameter, and its electromagnetic parameter can be realized by adjusting the particle size of absorbing material, be conducive to impedance matching and the broadening of absorption band, electronics can be met, communications industry conducts high efficiency energy, the demand of Electro Magnetic Compatibility, in addition, the present invention also provides a kind of preparation methods of flexible heat-conducting interface material that inhaling wave energy.
Description
Technical field
The present invention relates to a kind of flexible heat-conducting interface materials and preparation method thereof for having and inhaling wave energy.
Background technology
With the sustainable development of electronic product, the increasingly miniaturization of electronic component, Highgrade integration makes us be lived
Electromagnetic environment become increasingly complex, generate electromagnetic interference, the harm such as electromagnetic pollution and information leakage, heat dissipation and electromagnetic shielding it is more next
More become the problem of engineers must face, especially the two to need in the case of taking into account, which can be direct
Applied between chip and heat radiating metal shell, effectively thermal energy can be exported, while there is electromagnetic shielding and electromagnetism clutter to absorb
Performance provides good solution for electronic communication product in heat conduction and electromagnetic shielding, is commonly used in communication apparatus, and network is set
Standby and optical communication modules and other products.
Invention content
The technical problem to be solved in the present invention is to provide a kind of flexible heat-conducting interface materials and its system for having and inhaling wave energy
Preparation Method, solving the problems, such as existing heat-conducting interface material, there are conductive performance difference and effectiveness are poor.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：One kind, which has, inhales wave energy
Flexible heat-conducting interface material, including the group of following mass fraction is grouped as：100 parts of vinyl silicone oil, heat filling 100~
1000 parts, 100~1000 parts of absorbing material, 1~50 part of containing hydrogen silicone oil, 0.01~1 part of platinum catalyst, inhibitor 0.01~1
Part.
Preferably, the viscosity of vinyl silicone oil is 400~10000mPaS, can guarantee the high heat conduction of high product and inhales wave
Property.
Preferably, heat filling be silicon powder, aluminium oxide, aluminium hydroxide, magnesia, hydrophobic silicon powder, lyophobic alumina,
The mixture of one or both of hydrophobic aluminium hydroxide or two or more mixtures.
Preferably, absorbing material is silicon carbide, graphite, barium titanate, submicron metal, the suction of composite magnetic metallic compound
Wave material, ferrite, ceramic absorbing material, the high damage object absorbing material of doping, salt absorbing material, emitting isotope inhale wave material
Material, conductive polymeric radar absorbing material, nano wave-absorbing material, rare earth element absorbing material, the one or two kinds of of conductive fiber mix
Close object or two or more mixtures.
Preferably, the hydrogen content in containing hydrogen silicone oil is 0.01~0.8%.
Preferably, platinum catalyst is Karst platinum catalyst.
Preferably, inhibitor is alkynol compound, more vinyl polysiloxanes, amide compound, maleic acid esters
Close one or two kinds of mixture of object or two or more mixtures.
A kind of preparation method with the flexible heat-conducting interface material for inhaling wave energy, includes the following steps：
Step 1：Vinyl silicone oil, containing hydrogen silicone oil, heat filling, absorbing material are added in planet machine and are uniformly mixed, is mixed
It is 25 DEG C to close temperature, incorporation time 30min；
Step 2：The mixed mixture of step 1 is warming up to 120 DEG C and carries out heating mixing, heating mixing time is 2h；
Step 3：Material after step 2 heating is kneaded carries out de- reduction process in the case where vacuum degree is more than 0.095Mpa, and will
Material is cooled to 25 DEG C, and it is 1h to take off the low time；
Step 4；It is taken off to step 3 and inhibitor, platinum catalyst is added in low material after cooling, it is then anti-in calendering addition
Short vulcanization is answered to be molded, rolling temperature is 140 DEG C.
In conclusion advantages of the present invention：Pass through vinyl silicone oil, heat filling, absorbing material, containing hydrogen silicone oil, platinum
Mixture production high heat conduction calking circle of catalyst, inhibitor mixed makes mixture have good due to the addition of absorbing material
Electromagnetic parameter, and its electromagnetic parameter can be realized by adjusting the particle size of absorbing material, be conducive to impedance matching
With the broadening of absorption band, electronics can be met, communications industry conducts high efficiency energy, the demand of Electro Magnetic Compatibility.
By vinyl silicone oil, heat filling, absorbing material, containing hydrogen silicone oil, platinum catalyst, inhibitor pass sequentially through step
One mixing, step 2 heating are kneaded, step 3 takes off reduction process, high flexibility heat-conducting interface material made of step 4 sulfidization molding,
It can guarantee being uniformly mixed for raw material, simplify preparation process, ensure that manufactured high flexibility heat-conducting interface material has good electricity
Magnetic parameter, and the hardness of manufactured flexible heat-conducting interface material is low, flexibility is good, and thermal coefficient is high.
Specific implementation mode
Embodiment one：
A kind of flexible heat-conducting interface material with suction wave energy, including the group of following mass fraction are grouped as：Vinyl
100 parts of silicone oil, 900 parts of heat filling, 100 parts of absorbing material, 10 parts of containing hydrogen silicone oil, 0.1 part of platinum catalyst, inhibitor 0.01
Part；
The viscosity of vinyl silicone oil is 700mPaS, and heat filling is the lyophobic alumina that grain size is 20 μm, absorbing material
The ferrite for being 40 μm for grain size, platinum catalyst are Karst platinum catalyst, and inhibitor is alkynol compound.
Embodiment two：
A kind of flexible heat-conducting interface material with suction wave energy, including the group of following mass fraction are grouped as：Viscosity is
100 parts of vinyl silicone oil, the grain size of 700mPaS is 20 μm of 900 parts of lyophobic aluminas, grain size is 40 μm 40 parts of ferrite,
Hydrogen content is 10 parts of 0.15% silicone oil, 0.1 part of Karst platinum catalyst, 0.01 part of alkynol compound.
Embodiment three：
A kind of flexible heat-conducting interface material with suction wave energy, including the group of following mass fraction are grouped as：Viscosity is
100 parts of vinyl silicone oil, the grain size of 700mPaS is 20 μm of 800 parts of lyophobic aluminas, grain size is 40 μm 200 parts of ferrite,
Hydrogen content is 10 parts of 0.15% silicone oil, 0.1 part of Karst platinum catalyst, 0.01 part of alkynol compound.
Example IV：
A kind of flexible heat-conducting interface material with suction wave energy, including the group of following mass fraction are grouped as：Viscosity is
100 parts of vinyl silicone oil, the grain size of 700mPaS is 20 μm of 950 parts of lyophobic aluminas, grain size is 40 μm 50 parts of ferrite,
Hydrogen content is 5 parts of 0.15% silicone oil, 0.1 part of Karst platinum catalyst, 0.01 part of alkynol compound.
A kind of preparation method with the flexible heat-conducting interface material for inhaling wave energy, includes the following steps：
Step 1：Vinyl silicone oil, containing hydrogen silicone oil, lyophobic alumina, ferrite are added in planet machine and are uniformly mixed, is mixed
It is 25 DEG C to close temperature, incorporation time 30min；
Step 2：The mixed mixture of step 1 is warming up to 120 DEG C and carries out heating mixing, heating mixing time is 2h；
Step 3：Material after step 2 heating is kneaded carries out de- reduction process in the case where vacuum degree is more than 0.095Mpa, and will
Material is cooled to 25 DEG C, and it is 1h to take off the low time；
Step 4；It is taken off to step 3 and Karst platinum catalyst, alkynol compound is added in low material after cooling, so
Afterwards in calendering addition reaction short vulcanization molding, rolling temperature is 140 DEG C.
The above method by the present invention and comparative example one, comparative example two, high flexibility caoutchouc elasticity made of comparative example three
Body carries out thermal coefficient, hardness and magnetic conductivity test, and test result is as shown in Table 1：Test method：According to ASTM D
The heat-conductive characteristic of the thermal coefficient of 5470-2012 test pad, the higher gasket of thermal coefficient is better；By ASTM 2240-2005
The hardness of gasket is measured, hardness is lower, and gasket is more soft, and the magnetic permeability of gasket is measured by ASTM A342/A342M -14.
| Project | Embodiment one | Embodiment two | Embodiment three | Example IV |
| Thermal coefficient, W/m.k | 3.2 | 3.3 | 3.0 | 3.4 |
| Hardness, shore00 | 11 | 32 | 45 | 25 |
| Magnetic conductivity (1MHz) μ ', | 45 | 47 | 61 | 31 |
Table one
In addition to above preferred embodiment, the present invention also has other embodiments, those skilled in the art can be according to this
Invention makes various changes and modifications, and without departing from the spirit of the present invention, should all belong to appended claims of the present invention and determine
The range of justice.
Claims (5)
1. a kind of having the flexible heat-conducting interface material for inhaling wave energy, it is characterised in that：Group grouping including following mass fraction
At：100 parts of vinyl silicone oil, 100~1000 parts of heat filling, 100~1000 parts of absorbing material, 1~50 part of containing hydrogen silicone oil, platinum
0.01~1 part of Au catalyst, 0.01~1 part of inhibitor；
The viscosity of vinyl silicone oil is 700mPaS；
Heat filling is the lyophobic alumina that grain size is 20 μm；
Absorbing material is the ferrite that grain size is 40 μm.
2. a kind of flexible heat-conducting interface material with suction wave energy according to claim 1, it is characterised in that：Silicon Containing Hydrogen
Hydrogen content in oil is 0.01~0.8%.
3. a kind of flexible heat-conducting interface material with suction wave energy according to claim 1, it is characterised in that：Platinum is urged
Agent is Karst platinum catalyst.
4. a kind of flexible heat-conducting interface material with suction wave energy according to claim 1, it is characterised in that：Inhibitor
For alkynol compound, one or two kinds of mixing of more vinyl polysiloxanes, amide compound, maleic acid ester type compound
Object or two or more mixtures.
5. preparation method used by a kind of flexible heat-conducting interface material with suction wave energy as described in claim 1,
It is characterized in that：Include the following steps：
Step 1：Vinyl silicone oil, containing hydrogen silicone oil, heat filling, absorbing material are added in planet machine and are uniformly mixed, mixing temperature
Degree is 25 DEG C, incorporation time 30min；
Step 2：The mixed mixture of step 1 is warming up to 120 DEG C and carries out heating mixing, heating mixing time is 2h；
Step 3：Material after step 2 heating is kneaded carries out de- reduction process in the case where vacuum degree is more than 0.095Mpa, and by material
25 DEG C are cooled to, it is 1h to take off the low time；
Step 4；It is taken off to step 3 and inhibitor, platinum catalyst is added in low material after cooling, it is then fast in calendering addition reaction
Fast sulfidization molding, rolling temperature are 140 DEG C.
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