CN103600530B - A kind of Elastic heat insulation encapsulant and preparation method thereof - Google Patents
A kind of Elastic heat insulation encapsulant and preparation method thereof Download PDFInfo
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- CN103600530B CN103600530B CN201310573136.7A CN201310573136A CN103600530B CN 103600530 B CN103600530 B CN 103600530B CN 201310573136 A CN201310573136 A CN 201310573136A CN 103600530 B CN103600530 B CN 103600530B
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Abstract
The invention provides a kind of Elastic heat insulation encapsulant and preparation method thereof.Described Elastic heat insulation encapsulant comprises fiber base framework and room temperature vulcanized silicone rubber, and described fiber base framework is made up of rigidity chopped fiber and flexible long fibre.Described method uses fibrous matrix as skeleton, and room temperature vulcanized silicone rubber is as bonding agent, through steps such as fiber base framework molding, compound, the sulfurations of silicon rubber bonder.The method of the present invention is simple, easy and simple to handle, environmental pollution is little.Described material can keep preferable low-density, high thermal insulation and elastic and processing performance by applied environment below 400 DEG C, the heat seal being applicable to such as high temperature applied environment uses, and has a good application prospect in the field such as aerospace industries, civilian industry.
Description
Technical field
The present invention relates to high temperature heat-resistant encapsulant field, specifically, the present invention relates to a kind of high temperature heat-resistant sealing material
Material and preparation method thereof.
Background technology
Aircraft with high speed get through the earth's atmosphere flight time, owing to it is to the compression of front air and with empty around
The friction of gas, is transformed into the heat energy of air by some kinetic energy, makes aircraft face the thermal environment of sternness.At such environment
Under, it is necessary to using the thermal protection system of excellent performance to protect aircraft, the most various sections and moving part need
Seal for a long time under high temperature, be unusual the key link in whole thermal protection system, it is therefore desirable to possess temperature-resistance thermal-insulation performance
Encapsulant, to stop heat internally to spread transmission.
At present, the material being used for heat-insulating and sealing both at home and abroad mainly has high-temperature resistant seal ring, high temperature resistant expansion ceramic, fluid sealant
Deng, the condition of use mostly is less than 100 DEG C or is more than the environment of 800 DEG C, and the high temperature heat-resistant encapsulant master that the present invention relates to
Will be for aircraft interior, temperature range at RT (room temperature, such as 25 DEG C)~the use environment of 400 DEG C.This material uses resistance to height
Temperature fiber base framework is compound with high-temperature-resisting silicon rubber bonding agent to be made, and has temperature-resistance thermal-insulation functional, and density, elasticity are controlled
Etc. advantage.Wherein fiber base framework is such as made up of such as inorfil, it is provided that temperature-resistance thermal-insulation and supporting role;Silicone rubber glues
Connect agent and use the room temperature vulcanized silicone rubber that can use at 400 DEG C or higher temperature for a long time, it is provided that the resistance to gentle elasticity that strengthens is made
With.
Summary of the invention
In order to solve one or more the problems referred to above, the invention provides a kind of Elastic heat insulation encapsulant and preparation side thereof
Method.
It is an object of the invention to be achieved through the following technical solutions:
1, a kind of Elastic heat insulation encapsulant, wherein, described Elastic heat insulation encapsulant comprises fiber base framework and room
Temperature vulcanizable silicone rubber, described fiber base framework is made up of rigidity chopped fiber and flexible long fibre.
2, according to the method described in technical scheme 1, wherein, described rigidity chopped fiber is to select the group of free llowing group of materials composition
In the combination of one or more: quartz fibre, alumina fibre, mullite fiber and alumina silicate fibre;Described flexible long fibre
The combination of one or more in the group that dimension forms for selecting free llowing group of materials: quartz fibre, basalt fibre, high silica are fine
Dimension, glass fibre and alumina silicate fibre.
3, the Elastic heat insulation encapsulant as described in technical scheme 1 or 2, wherein, described rigidity chopped fiber a diameter of 3~
15 μm, a length of 1~10mm;Long stapled a diameter of 1~10 μm of described flexibility, a length of 10~50cm.
4, the Elastic heat insulation encapsulant as according to any one of technical scheme 1 to 3, wherein, described rigidity chopped fiber with
Flexible long stapled mass ratio is 1:(0.1~10).
5, the Elastic heat insulation encapsulant as according to any one of technical scheme 1~4, wherein, room temperature vulcanized silicone rubber selects
Freely tolerate the silicone rubber of more than 400 DEG C.
6, the Elastic heat insulation encapsulant as according to any one of technical scheme 1~5, wherein, described room temperature vulcanization silicon rubber
Glue selects free KH-CL-RTV silicone rubber and the group of PSN silicone rubber composition.
7, the Elastic heat insulation encapsulant as according to any one of technical scheme 1 to 6, wherein, described fiber base framework
It is 1:(0.5~5 with the mass ratio of room temperature vulcanized silicone rubber).
8, the Elastic heat insulation encapsulant as according to any one of technical scheme 1 to 7, wherein, described Elastic heat insulation seals
The compression ratio of material is 5~25%, and rebound degree is 50%~90%.
9, the Elastic heat insulation encapsulant as according to any one of technical scheme 1 to 8, wherein, described Elastic heat insulation seals
Room temperature (25 DEG C) heat conductivity of material is 0.03~0.09W/m.K.
10, according to the Elastic heat insulation encapsulant according to any one of technical scheme 1 to 9, wherein, described Elastic heat insulation is close
The density of closure material is 0.1~0.5g/cm3。
11, a kind of method of Elastic heat insulation encapsulant prepared as according to any one of technical scheme 1~10, described side
Method comprises the steps:
(1) it is mat by rigidity chopped fiber and flexible long fibre mixed-forming, then is plated in as having target thick through multilamellar
The fiber base framework of degree;
(2) described fiber base framework is combined with described room temperature vulcanized silicone rubber, obtains fiber base framework-room temperature sulfur
SiClx rubber composite;With
(3) described composite is vulcanized, obtain described Elastic heat insulation encapsulant.
12, the method as described in technical scheme 11, wherein, in the group of described Combined Mining choosing freely following method composition
The combination of one or more: normal pressure dipping, vacuum impregnation and impregnating by pressure.
13, the method as described in technical scheme 11 or 12, wherein, is in mass in order to compound room temperature vulcanized silicone rubber
Concentration room temperature vulcanized silicone rubber solution in the range of 5%~80%.
14, the method as according to any one of technical scheme 11 to 13, wherein, described being combined carries out one or many.
15, the Elastic heat insulation encapsulant prepared by the method according to any one of technical scheme 11 to 14.
The described Elastic heat insulation encapsulant of the present invention and method have the advantage that
(1) the Elastic heat insulation encapsulant resistance to elevated temperatures that prepared by the present invention is good, can below 400 DEG C life-time service;
(2) the Elastic heat insulation encapsulant heat conductivity that prepared by the present invention is relatively low, has preferable heat-proof quality, and room temperature is led
Hot coefficient is 0.03~0.09W/m.K;
(3) the Elastic heat insulation encapsulant that prepared by the present invention has preferable elasticity, and elastic controlled, and compression ratio scope is
5~25%, rebound degree scope is 50%~90%;
(4) the Elastic heat insulation encapsulant density that prepared by the present invention is controlled, such as, can be controlled as 0.1~0.5g/cm3
Between;
(5) method of the present invention is simple, easy and simple to handle, environmental pollution is little;
(6) present invention may be used for preparing the component product of variously-shaped specification, aerospace industry and other high temperature,
Need the environment of heat-insulating and sealing is with a wide range of applications.
Detailed description of the invention
The invention provides a kind of Elastic heat insulation encapsulant, described Elastic heat insulation encapsulant comprises fiber base framework
Especially high-temperature fibre matrix skeleton, this skeleton can be made up of the fiber of variety classes different proportion so that fiber reinforcement
There is different heat resistances and thermophysical property;Comprise the most high temperature resistant room temperature vulcanized silicone rubber of room temperature vulcanized silicone rubber.
Additionally, present invention also offers a kind of method preparing described Elastic heat insulation encapsulant, described method is by adjusting room temperature sulfur
The complex method of SiClx rubber, concentration and compounding times etc. make material can obtain different target mechanical properties and hot thing
Rationality energy.
Specifically, the present invention provides a kind of Elastic heat insulation encapsulant, wherein, described Elastic heat insulation in first aspect
Encapsulant comprises fiber base framework and room temperature vulcanized silicone rubber, and described fiber base framework is by rigidity chopped fiber and soft
Property long fibre composition.
The fiber type of composition fiber base framework is not particularly limited by the present invention, and the fiber that premise is used needs energy
Enough tolerance targets use ambient temperature.It is preferred, however, that, described rigidity chopped fiber is in the group selecting free llowing group of materials composition
The combination of one or more: quartz fibre, alumina fibre, mullite fiber and alumina silicate fibre;Described flexible long fibre
For select free llowing group of materials form group in the combination of one or more: quartz fibre, basalt fibre, high silica fiber,
Glass fibre and alumina silicate fibre.It addition, described rigidity chopped fiber chemical composition long stapled with flexibility can be identical, such as may be used
With simultaneously as quartz fibre;Described rigidity chopped fiber and the long stapled chemical composition of flexibility can also be different, the short fibre of such as rigidity
Dimension can be quartz fibre, and flexible long fibre is basalt fiber.
For rigidity chopped fiber, its diameter is preferably 3~15 μm, such as, can be the arbitrary diameter in the range of this, example
As being 3,4,5,6,7,8,9,10,11,12,13,14,15 μm, or anyon scope therebetween, such as 5~10 μm, 6
~8 μm etc..Length is preferably 1~10mm, such as, can be 1,2,3,4,5,6,7,8,9 or 10mm, or anyon therebetween
Scope, such as 2~8mm, 4~6mm etc..
For flexible long fibre, its diameter is preferably 1~10 μm, such as, can be 3,4,5,6,7,8,9 or 10 μm, or
Person's anyon scope therebetween, such as 2~8 μm, 4~6 μm etc..Length is preferably 10~50cm, such as 10,15,20,25,30,
35,40,45 or 50cm, or anyon scope therebetween, such as, can be 15~45cm, 20~40cm etc..
The present inventor finds in the experimentation carried out by exploitation Elastic heat insulation encapsulant, is used alone rigidity short
Fiber or be used alone flexible long fibre obtained material all cannot be made to ensure to have high thermal insulation, low-density and suitably
Durothermic have higher elasticity simultaneously.It was found surprisingly that later, used rigidity chopped fiber and the long stapled combination of flexibility also
Such problem can be solved in conjunction with suitable room temperature vulcanized silicone rubber binding agent, make resulting materials keep above-mentioned thermal insulation, close
Spend, with durothermic, there is significantly higher (relative to being used alone rigidity chopped fiber or flexible long stapled situation is compared) simultaneously
Elasticity.
Some preferred embodiment in, described rigidity chopped fiber and the long stapled mass ratio of flexibility be 1:(0.1~
10), for example, 1:0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0,2.0,3.0,4.0,5.0,6.0,7.0,
8.0,9.0 or 10.0.If the ratio of rigidity chopped fiber is excessive or flexible long stapled ratio is excessive, possibly cannot ensure with
Shi Shixian target thermal insulation and elasticity.
For room temperature vulcanized silicone rubber, it primarily serves bonding agent in the present invention and provides the effect of elasticity, therefore exists
Sometimes herein called silicon rubber bonder, silicone rubber or bonding agent.Room temperature vulcanized silicone rubber is had no particular limits by the present invention,
But it allows for tolerating target and uses ambient temperature, such as 25 DEG C to 400 DEG C temperature the most higher.Room temperature vulcanization silicon rubber
Glue can be commercially available prod, such as can be with KH-CL-RTV silicone rubber and/or PSN silicone rubber.
In some embodiments, the mass ratio of described fiber base framework and room temperature vulcanized silicone rubber is preferably 1:
(0.5~5), for example, 1:0.5,0.6,0.7,0.8,0.9,1.0,2.0,3.0,4.0 or 5.0, this ratio is too high or too low can
Can cannot realize thermal insulation and elastic balance.
The various performances of the described Elastic heat insulation encapsulant of the present invention can be long by regulation rigidity chopped fiber and flexibility
The ratio of fiber, the consumption etc. of room temperature vulcanized silicone rubber are adjusted.Some preferred embodiment in, can be as required
Described Elastic heat insulation encapsulant is prepared as compression ratio be 5~25% (can be such as 5,10,15,20 or 25% etc. or
Anyon scope therebetween), rebound degree is the material of 50%~90% (can be such as 50,60,70,80 or 90%).It addition,
Described Elastic heat insulation encapsulant can also be prepared as room temperature (25 DEG C) heat conductivity is 0.03~0.09W/m.K, such as
0.03,0.04,0.05,0.06,0.07,0.08 or 0.09W/m.K, or anyon scope therebetween.Alternatively, it is also possible to by institute
Stating Elastic heat insulation encapsulant and being prepared as density is 0.1~0.5g/cm3, such as, can be 0.1,0.2,0.3,0.4 or 0.5g/
cm3。
In a second aspect of the present invention, it is provided that a kind of method preparing Elastic heat insulation encapsulant as above, institute
The method of stating may include steps of:
(1) it is mat by rigidity chopped fiber and flexible long fibre mixed-forming, then is plated in as having target thick through multilamellar
The fiber base framework of degree;
(2) described fiber base framework is combined with described room temperature vulcanized silicone rubber, obtains fiber base framework-room temperature sulfur
SiClx rubber composite;With
(3) described composite is vulcanized, obtain described Elastic heat insulation encapsulant.
In some embodiments, described being combined can be by using fiber base described in room temperature vulcanized silicone rubber solution impregnation
Body skeleton is carried out, and dipping can use the combination of one or more in the group of choosing freely following method composition: normal pressure soaks
Stain, vacuum impregnation and impregnating by pressure, it is preferred that from the point of view of impregnating speed and effect, vacuum impregnation is preferably used.Dipping is made
The solution concentration in mass of room temperature vulcanized silicone rubber can be 5%~80%, can be such as 5,10,15,20,
25,30,35,40,45,50,55,60,65,70,75 or 80%, if concentration is too low, possibly larger amount of room temperature cannot be impregnated
Sulphurated siliastic, so that the elasticity of finally obtained material is too low;If excessive concentration, may cannot be carried out sufficiently
Dipping or dipping need the long time.It addition, the solvent preparing described solution is not particularly limited by the present invention, such as may be used
Think hexamethylene etc..
It addition, described being combined can be carried out once, it is also possible to carry out several times.
The material of described method use and ratio thereof, as described in this specification first aspect, repeat no more again.
In a third aspect of the present invention, it is provided that the Elastic heat insulation encapsulant being worth by said method, this Elastic heat insulation
The performance of encapsulant is for as described in first aspect present invention, again repeated no more.
It is further noted that, if not otherwise specified, any scope described in the present invention includes end value and end value
Between any numerical value and and the anyon scope that constituted with any number between end value or end value.
Below in conjunction with embodiment, the invention will be further described.These embodiments are simply with regard to the side of being preferable to carry out of the present invention
Formula is illustrated, and protection scope of the present invention is not read as pertaining only to these embodiments.
Various embodiments of the present invention relate to raw material and are market purchase.
Embodiment 1
Preparing Elastic heat insulation encapsulant of the present invention, wherein, fiber base framework is fine by rigidity chopped fiber quartz
Dimension (diameter 5~8 μm, length 1~3mm) and flexible long fibre basalt fibre (diameter 1~3 μm, length 20~25cm) composition,
Chopped fiber and long fibre mass ratio are 1:1.Bonding agent is silicone rubber KH-CL-RTV.
First rigidity chopped fiber and flexible long fibre are mixed and made into mat, then it is thick that 20 layers of such mat are made 25mm
The fiber base framework of degree.The silicone rubber that concentration is 50% is glued by the mode then using vacuum impregnation (vacuum-0.09MPa)
Connect agent (diluent is hexamethylene) and be combined 2h (hour), fiber base framework and silicon rubber bonder quality with fiber base framework
Ratio is 1:0.67, through room temperature vulcanization 24h, can obtain Elastic heat insulation encapsulant.
Test sample performance: heatproof 400 DEG C (400 DEG C process 2h, and sample does not shrinks);Density 0.25g/cm3(GB/
T6343-2009);Room temperature heat conductivity 0.05W/m.K (GB/T10295-2008);Compression ratio 10%, rebound degree 75% (GB/
T7759-1996)。
Embodiment 2
Preparing Elastic heat insulation encapsulant of the present invention, wherein, fiber base framework is fine by rigidity chopped fiber quartz
Dimension (diameter 5~8 μm, length 1~3mm) and flexible long fibre basalt fibre (diameter 1~3 μm, length 20~25cm) composition,
Chopped fiber and long fibre mass ratio are 1:2.Bonding agent is silicone rubber KH-CL-RTV.
First rigidity chopped fiber and flexible long fibre are mixed and made into mat, then it is thick that 20 layers of such mat are made 25mm
The fiber base framework of degree.The silicone rubber that concentration is 50% is glued by the mode then using vacuum impregnation (vacuum-0.09MPa)
Connecing agent (diluent is hexamethylene) and be combined 2h with fiber base framework, fiber base framework and silicon rubber bonder mass ratio are 1:
0.67, through room temperature vulcanization 24h, obtain Elastic heat insulation encapsulant.
Test sample performance: heatproof 400 DEG C (400 DEG C process 2h, and sample does not shrinks);Density 0.25g/cm3(GB/
T6343-2009);Room temperature heat conductivity 0.054W/m.K (GB/T10295-2008);Compression ratio 10%, rebound degree 81% (GB/
T7759-1996)。
Embodiment 3~5
In addition to content listed in table 1, embodiment 3~5 uses to be implemented with the identical mode of embodiment 1 and 2.
Comparative example 1
Fiber base framework only uses rigidity chopped fiber quartz fibre (diameter 5~8 μm, length 1~3mm) to make.Bonding
Agent is silicone rubber KH-CL-RTV.
First rigidity chopped fiber is made mat, then 20 layers of such mat are made the fibrous matrix bone of 25mm thickness
Frame.Then (diluent is by silicon rubber bonder that concentration is 50% to use the mode of vacuum impregnation (vacuum-0.09MPa)
Hexamethylene) it is combined 2h with fiber base framework, fiber reinforcement and silicon rubber bonder mass ratio are 1:0.67, through room temperature vulcanization
24h, obtains Elastic heat insulation encapsulant.
Test sample performance: heatproof 400 DEG C (400 DEG C process 2h, and sample does not shrinks);Density 0.25g/cm-3(GB/
T6343-2009);Room temperature heat conductivity 0.05W/m.K (GB/T10295-2008);Compression ratio 10%, rebound degree 5%, material base
Originally cannot resilience (GB/T7759-1996).
Comparative example 2
Fiber base framework only uses flexible long fibre basalt fibre (diameter 1~3 μm, length 20~25cm) to make.
Bonding agent is silicone rubber KH-CL-RTV.
First flexibility long fibre is made mat, then 20 layers of such mat are made the fiber base framework of 25mm.So
By silicon rubber bonder that concentration is 50%, (diluent is hexamethylene to the mode of rear use vacuum impregnation (vacuum-0.09MPa)
Alkane) it is combined 2h with fiber base framework, fiber reinforcement and silicon rubber bonder mass ratio are 1:0.67, through room temperature vulcanization 24h,
Obtain Elastic heat insulation encapsulant.
Test sample performance: heatproof 400 DEG C (400 DEG C process 2h, and sample does not shrinks);Density 0.25g/cm3(GB/
T6343-2009);Room temperature heat conductivity 0.10W/m.K (GB/T10295-2008), heat-proof quality reduces;Compression ratio 10%, return
Bullet rate 30% (GB/T7759-1996), material rebounds poor performance.
Comparative example 3
Fiber base framework is profound by rigidity chopped fiber quartz fibre (diameter 5~8 μm, length 1~3mm) and flexible long fibre
Military rock fiber (diameter 1~3 μm, length 20~25cm) composition, chopped fiber and long fibre mass ratio are 1:1.Bonding agent is silicon rubber
Glue KH-CL-RTV.
First rigidity chopped fiber and flexible long fibre are mixed and made into mat, then 20 layers of such mat are made 25mm's
Fiber base framework.Concentration is the silicon rubber bonder of 50% by the mode then using vacuum impregnation (vacuum-0.09MPa)
(diluent is hexamethylene) and fiber base framework are combined 2h, and fiber reinforcement and silicon rubber bonder mass ratio are 1:10, pass through
Room temperature vulcanization 24h, obtains Elastic heat insulation encapsulant.
Test sample performance: heatproof 400 DEG C (400 DEG C process 2h, and sample does not shrinks);Density 0.6g/cm3(GB/T6343-
2009);Room temperature heat conductivity 0.2W/m.K (GB/T10295-2008), heat-proof quality reduces;Compression ratio 10%, rebound degree 90%
(GB/T7759-1996)。
Comparative example 4
Fiber base framework be rigidity chopped fiber quartz fibre (diameter 5~8 μm, length 1~3mm) and flexible long fibre profound
Military rock fiber (diameter 1~3 μm, length 20~25cm) composition, chopped fiber and long fibre mass ratio are 1:1.Bonding agent is silicon rubber
Glue KH-CL-RTV.
First rigidity chopped fiber and flexible long fibre are mixed and made into mat, then it is thick that 20 layers of such mat are made 25mm
The fiber base framework of degree.The silicone rubber that concentration is 50% is glued by the mode then using vacuum impregnation (vacuum-0.09MPa)
Connecing agent (diluent is hexamethylene) and be combined 2h with fiber base framework, fiber reinforcement and silicon rubber bonder mass ratio are 1:0.1,
Through room temperature vulcanization 24h, Elastic heat insulation encapsulant can be obtained.
Test sample performance: heatproof 400 DEG C (400 DEG C process 2h, and sample does not shrinks);Density 0.2g/cm3(GB/T6343-
2009);Room temperature heat conductivity 0.05W/m.K (GB/T10295-2008);Compression ratio 10%, rebound degree 10% (GB/T7759-
1996), material rebounds poor performance.
Embodiment 6~10
In addition to content listed in table 1, embodiment 6~10 uses to be implemented with the identical mode of embodiment 1 and 2.
Claims (11)
1. the method preparing Elastic heat insulation encapsulant, wherein said Elastic heat insulation encapsulant comprises fiber base framework
And room temperature vulcanized silicone rubber, described fiber base framework is made up of rigidity chopped fiber and flexible long fibre, described method include as
Lower step:
(1) it is mat by described rigidity chopped fiber and described flexible long fibre mixed-forming, then is plated in as having mesh through multilamellar
The described fiber base framework of mark thickness;
(2) described fiber base framework is combined with described room temperature vulcanized silicone rubber, obtains fiber base framework-room temperature vulcanization silicon
Rubber composite;With
(3) described composite is vulcanized, obtain described Elastic heat insulation encapsulant.
The most the method for claim 1, wherein it is that concentration exists in mass in order to compound described room temperature vulcanized silicone rubber
Room temperature vulcanized silicone rubber solution in the range of 5%~80%.
Method the most according to claim 1, wherein, described rigidity chopped fiber is in the group selecting free llowing group of materials composition
The combination of one or more: quartz fibre, alumina fibre, mullite fiber and alumina silicate fibre;Described flexible long fibre is
Select the combination of one or more in the group that free llowing group of materials forms: quartz fibre, basalt fibre, high silica fiber, glass
Glass fiber and alumina silicate fibre.
4. method as claimed any one in claims 1 to 3, wherein, a diameter of 3~15 μm of described rigidity chopped fiber are long
Degree is 1~10mm;Long stapled a diameter of 1~10 μm of described flexibility, a length of 10~50cm.
5. method as claimed any one in claims 1 to 3, wherein, described rigidity chopped fiber and the long stapled quality of flexibility
Ratio is 1: (0.1~10).
6. method as claimed any one in claims 1 to 3, wherein, described room temperature vulcanized silicone rubber selects free KH-CL-RTV
Silicone rubber and the group of PSN silicone rubber composition.
7. method as claimed any one in claims 1 to 3, wherein, described fiber base framework and room temperature vulcanized silicone rubber
Mass ratio be 1: (0.5~5).
8. as claimed any one in claims 1 to 3 method, wherein, the compression ratio of described Elastic heat insulation encapsulant be 5~
25%, rebound degree is 50%~90%.
9. as claimed any one in claims 1 to 3 method, wherein, the room temperature heat conduction system of described Elastic heat insulation encapsulant
Number is 0.03~0.09W/m.K.
10. method as claimed any one in claims 1 to 3, wherein, the density of described Elastic heat insulation encapsulant is 0.1
~0.5g/cm3。
The 11. Elastic heat insulation encapsulants prepared by the method according to any one of claim 1 to 10.
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CN101086314A (en) * | 2006-06-06 | 2007-12-12 | 泰州乐金电子冷机有限公司 | Vacuum heat-insulation material and refrigerator shell heat-insulation structure adopting the vacuum heat-insulating material |
DE102007022787A1 (en) * | 2007-05-11 | 2008-11-13 | Woco Industrietechnik Gmbh | Production of fiber-reinforced silicone rubber molded articles e.g. spring bodies or bellows from methyl vinyl silicone, comprises mixing catalyst-containing components and silicon/hydrogen-containing components in a mixing station |
CN102139546B (en) * | 2010-10-28 | 2013-07-10 | 天津大学 | Glass fiber reinforced heat-conducting insulation silicon rubber composite material and preparation method thereof |
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