CN105972390A - Vacuum insulation plate - Google Patents
Vacuum insulation plate Download PDFInfo
- Publication number
- CN105972390A CN105972390A CN201610466336.6A CN201610466336A CN105972390A CN 105972390 A CN105972390 A CN 105972390A CN 201610466336 A CN201610466336 A CN 201610466336A CN 105972390 A CN105972390 A CN 105972390A
- Authority
- CN
- China
- Prior art keywords
- glass microballoon
- insulating plate
- vacuum heat
- core
- glass
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/06—Arrangements using an air layer or vacuum
- F16L59/065—Arrangements using an air layer or vacuum using vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
Abstract
The invention relates to a vacuum insulation plate. The vacuum insulation plate comprises a external packaging layer and a core material which is placed in the external packaging layer. The interior of the external packaging layer is vacuumized. The core material comprises glass beads. The core material is a mixture mainly consisting of the glass beads and fiberglass. The core material comprises the following components, in percentage by mass, 30-50% of glass beads, 49-69% of fiberglass and 1-6% of activated carbon. The core material further comprises hole-closed perlite. The thickness of the core material is 6-10mm. The external packaging layer is a multi-layer composite high-barrier film with a thickness of not less than 100[mu]m. The glass beads are hollow. According to the vacuum insulation plate, the core material is filled with the glass beads; the glass beads are high in dispersion, good in flowability, non-absorbent of water and good in insulation property, so that the insulation effect of the vacuum insulation plate is greatly improved and the vacuum insulation plate is large in strength, good in toughness and capable of buckling about 10% at the same time.
Description
Technical field
The present invention relates to heat-insulating heat-preserving material field, particularly relate to a kind of vacuum heat-insulating plate.
Background technology
The application of heat-insulating heat-preserving material widely, such as packaging industry (as organ transplantation is transported), refrigeration industry and building row
Industry etc., current adiabator is mainly made up of glass fibre and dusty material (such as aeroge), and such as China is real
A kind of vacuum heat-insulating plate is disclosed with new patent 200420053407.2, exhausted be arranged in vacuum casting including shell
Hot core, described core includes that aerosil and glass fibre, described glass fibre are interwoven in aerosil
Between；But the adiabatic core aerosil matter of preceding solution is crisp, is processed into vacuum heat-insulating plate rear plate body intensity relatively
Difference, when being especially used in building trade, thermal insulation board is easily punctured by the part of nail, reinforcing bar etc, and glass fibre can be swollen
Swollen, simultaneously because the aeroge mixing effect pulverized is bad, be difficult to dispersion, hygroscopic, affect the effect of heat insulation of thermal insulation board with
Stability in use.When glass fibre class vacuum thermal insulation material application is in construction wall heat insulating work, in transport, construction
Etc. in link, damaged gas leakage causes vacuum heat-insulating plate expansion to cause coming off of wall body decoration surface layer to bring great potential safety hazard.
Therefore study the vacuum heat-insulating plate that a kind of heat conductivity is low, good toughness, intensity are big to be particularly important.
Summary of the invention
The technical problem to be solved in the present invention is the design vacuum heat-insulating plate that a kind of heat conductivity is low, good toughness, intensity are big, solves
Certainly existing technical problem.
For solving above-mentioned technical problem, the vacuum heat-insulating plate of the present invention includes outer packaging layer and is placed in described outer packaging layer
Core, evacuation in described outer packaging layer, described core includes glass microballoon.
Further, described core is the mixture based on glass microballoon and glass fibre.Due to glass microballoon high dispersive,
Good fluidity, do not absorb water and thermal insulation is good, the effect of heat insulation of vacuum heat-insulating plate core can be greatly improved.
Further, described core includes glass microballoon, glass fibre and NACF.NACF specific surface area is big,
Effective at certain volume inside holding, there is the strongest adsorptivity simultaneously, can mix less or not mix adsorbent.
Further, each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for
49%～69%；NACF accounts for 1%～6%.When glass microballoon quality accounting is less than 30%, role is limited, with
Effect difference compared by traditional adiabatic core being not added with glass microballoon is not obvious especially, when glass microballoon accounting is higher than 50%,
Molding and the intensity of core can be affected.
Further, described core also includes closed perlite.It is high that closed perlite has intensity, and water absorption rate is low, intensity height,
The Combination feature such as grade, easy dispersion well, can improve the effect of heat insulation of vacuum heat-insulating plate further.In described core each group
Point mass percent is: glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%；
Closed perlite accounts for 8%～16%.
Further, the thickness of described core is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best, building trade
Insulated panel core material thickness typically between 6mm～10mm.
Further, described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Further, described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE (polyethylene), with Al (aluminum), VMPET
(polyester aluminizer), PA (polyamide is commonly called as nylon) are formed by the process high-temperature high frequency heat laminating that dry type is compound.
Further, described glass microballoon is hollow glass micropearl.Hollow glass micropearl is a kind of through special processed
Glass microballoon, it is less compared with glass microballoon that it is mainly characterized by density, and heat conductivity is worse, and therefore effect of heat insulation is more preferably.
Further, described glass microballoon, glass fibre and carbon fiber fill with methylcellulose saturated solution after being mixed in proportion
Dividing stirring mixing, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution, and its concentration is 0.2%～2%,
Owing to glass microballoon does not absorbs water, smooth, easily disperse, good heat-insulation effect.
Existing thermal insulation board core is substantially employing glass fibre and powder or flaky material (such as aeroge) is filled, airsetting
Rubber pulverizing, mixing effect is bad, and aeroge is hygroscopic simultaneously, is difficult to dispersion, can affect effect of heat insulation.And the present invention every
Hot plate core adds glass microballoon, reduces the content of glass fibre, and glass microballoon is spherical shape, than lamellar,
Needle-like or erose filler have more preferable mobility, mold filling excellent performance.And glass microballoon is isotropic,
Thus without producing because being orientated the disadvantage causing different parts shrinkage factor inconsistent, it is ensured that the dimensionally stable of product, Bu Huiqiao
Bent.Meanwhile, glass microballoon is smooth not to absorb water, good dispersion.It addition, closed perlite has intensity height, water absorption rate is low,
The features such as intensity is high, Combination is good etc., easy dispersion, the addition of closed perlite can improve further vacuum heat-insulating plate every
Thermal effect.Therefore than the core of traditional glass fibre and aeroge, there is more preferably effect of heat insulation.
Existing vacuum heat-insulating plate is the inside preventing the air in use having fraction from can leak into vacuum heat-insulating plate,
By placing adsorbent at vacuum insulation intralaminar part, the GAS ABSORPTION of this part is fallen, thus ensure the use longevity of vacuum heat-insulating plate
Life.And the core of the vacuum heat-insulating plate of the present invention adds NACF, NACF has the strongest adsorptivity, can
To add less or to be not added with adsorbent, meanwhile, NACF specific surface area is big, and certain volume inside holding is effective, further
Improve the effect of heat insulation of vacuum heat-insulating plate.
Beneficial effects of the present invention: the core of the vacuum heat-insulating plate of the present invention adds glass microballoon and fills, due to glass microballoon
High dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, the strongest
Degree is big, good toughness, and bent about 10%.It addition, closed perlite has intensity height, water absorption rate is low, and intensity is high, mixed
The features such as conjunction property grade, easy dispersion well, the addition of closed perlite can improve the effect of heat insulation of vacuum heat-insulating plate further.
Detailed description of the invention
Embodiment 1
The vacuum heat-insulating plate of the present invention includes outer packaging layer and the core being placed in described outer packaging layer, described outer packaging
Evacuation in layer, described core includes glass microballoon.
Further, described core is the mixture based on glass microballoon and glass fibre.Due to glass microballoon high dispersive,
Good fluidity, do not absorb water and thermal insulation is good, the effect of heat insulation of vacuum heat-insulating plate core can be greatly improved.
Further, described core includes glass microballoon, glass fibre and NACF.NACF specific surface area is big,
Effective at certain volume inside holding, there is the strongest adsorptivity simultaneously, can mix less or not mix adsorbent.
Further, each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for
49%～69%；NACF accounts for 1%～6%.When glass microballoon quality accounting is less than 30%, role is limited, with
Effect difference compared by traditional adiabatic core being not added with glass microballoon is not obvious especially, when glass microballoon accounting is higher than 50%,
Molding and the intensity of core can be affected.Preferably, glass microballoon accounts for 30% to the present embodiment；Glass fibre accounts for 69%；Activated carbon
Fiber accounts for 1%.
Further, the thickness of described core is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best, building trade
Insulated panel core material thickness typically between 6mm～10mm.
Further, described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Further, described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE (polyethylene), with Al (aluminum), VMPET
(polyester aluminizer), PA (polyamide is commonly called as nylon) are formed by the process high-temperature high frequency heat laminating that dry type is compound.
Further, described glass microballoon is hollow glass micropearl.Hollow glass micropearl is a kind of through special processed
Glass microballoon, it is less compared with glass microballoon that it is mainly characterized by density, and heat conductivity is worse, and therefore effect of heat insulation is more preferably.
Further, described glass microballoon, glass fibre and carbon fiber fill with methylcellulose saturated solution after being mixed in proportion
Dividing stirring mixing, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution, and its concentration is 0.2%～2%,
Owing to glass microballoon does not absorbs water, smooth, easily disperse, good heat-insulation effect.
The core of the vacuum heat-insulating plate of the present embodiment adds glass microballoon and fills, due to high dispersive, the mobility of glass microballoon
Good, do not absorb water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, intensity is big simultaneously, and good toughness can
Bending about 10%.
Embodiment 2
The vacuum heat-insulating plate of the present invention includes outer packaging layer and the core being placed in described outer packaging layer, described outer packaging
Evacuation in layer, described core includes glass microballoon.
Further, described core is the mixture based on glass microballoon and glass fibre.Due to glass microballoon high dispersive,
Good fluidity, do not absorb water and thermal insulation is good, the effect of heat insulation of vacuum heat-insulating plate core can be greatly improved.
Further, described core includes glass microballoon, glass fibre and NACF.NACF specific surface area is big,
Effective at certain volume inside holding, there is the strongest adsorptivity simultaneously, can mix less or not mix adsorbent.
Further, each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for
49%～69%；NACF accounts for 1%～6%.When glass microballoon quality accounting is less than 30%, role is limited, with
Effect difference compared by traditional adiabatic core being not added with glass microballoon is not obvious especially, when glass microballoon accounting is higher than 50%,
Molding and the intensity of core can be affected.Preferably, glass microballoon accounts for 35% to the present embodiment；Glass fibre accounts for 62%；Activated carbon
Fiber accounts for 3%.
Further, the thickness of described core is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best, building trade
Insulated panel core material thickness typically between 6mm～10mm.
Further, described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Further, described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE (polyethylene), with Al (aluminum), VMPET
(polyester aluminizer), PA (polyamide is commonly called as nylon) are formed by the process high-temperature high frequency heat laminating that dry type is compound.
Further, described glass microballoon is hollow glass micropearl.Hollow glass micropearl is a kind of through special processed
Glass microballoon, it is less compared with glass microballoon that it is mainly characterized by density, and heat conductivity is worse, and therefore effect of heat insulation is more preferably.
Further, described glass microballoon, glass fibre and carbon fiber fill with methylcellulose saturated solution after being mixed in proportion
Dividing stirring mixing, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution, and its concentration is 0.2%～2%,
Owing to glass microballoon does not absorbs water, smooth, easily disperse, good heat-insulation effect.
The core of the vacuum heat-insulating plate of the present embodiment adds glass microballoon and fills, due to high dispersive, the mobility of glass microballoon
Good, do not absorb water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, intensity is big simultaneously, and good toughness can
Bending about 10%.
Embodiment 3
The vacuum heat-insulating plate of the present invention includes outer packaging layer and the core being placed in described outer packaging layer, described outer packaging
Evacuation in layer, described core includes glass microballoon.
Further, described core is the mixture based on glass microballoon and glass fibre.Due to glass microballoon high dispersive,
Good fluidity, do not absorb water and thermal insulation is good, the effect of heat insulation of vacuum heat-insulating plate core can be greatly improved.
Further, described core includes glass microballoon, glass fibre and NACF.NACF specific surface area is big,
Effective at certain volume inside holding, there is the strongest adsorptivity simultaneously, can mix less or not mix adsorbent.
Further, each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for
49%～69%；NACF accounts for 1%～6%.When glass microballoon quality accounting is less than 30%, role is limited, with
Effect difference compared by traditional adiabatic core being not added with glass microballoon is not obvious especially, when glass microballoon accounting is higher than 50%,
Molding and the intensity of core can be affected.Preferably, glass microballoon accounts for 40% to the present embodiment；Glass fibre accounts for 54%；Activated carbon
Fiber accounts for 6%.
Further, the thickness of described core is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best, building trade
Insulated panel core material thickness typically between 6mm～10mm.
Further, described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Further, described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE (polyethylene), with Al (aluminum), VMPET
(polyester aluminizer), PA (polyamide is commonly called as nylon) are formed by the process high-temperature high frequency heat laminating that dry type is compound.
Further, described glass microballoon is hollow glass micropearl.Hollow glass micropearl is a kind of through special processed
Glass microballoon, it is less compared with glass microballoon that it is mainly characterized by density, and heat conductivity is worse, and therefore effect of heat insulation is more preferably.
Further, described glass microballoon, glass fibre and carbon fiber fill with methylcellulose saturated solution after being mixed in proportion
Dividing stirring mixing, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution, and its concentration is 0.2%～2%,
Owing to glass microballoon does not absorbs water, smooth, easily disperse, good heat-insulation effect.
The core of the vacuum heat-insulating plate of the present embodiment adds glass microballoon and fills, due to high dispersive, the mobility of glass microballoon
Good, do not absorb water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, intensity is big simultaneously, and good toughness can
Bending about 10%.
Embodiment 4
The vacuum heat-insulating plate of the present invention includes outer packaging layer and the core being placed in described outer packaging layer, described outer packaging
Evacuation in layer, described core includes glass microballoon.
Further, described core is the mixture based on glass microballoon and glass fibre.Due to glass microballoon high dispersive,
Good fluidity, do not absorb water and thermal insulation is good, the effect of heat insulation of vacuum heat-insulating plate core can be greatly improved.
Further, described core includes glass microballoon, glass fibre and NACF.NACF specific surface area is big,
Effective at certain volume inside holding, there is the strongest adsorptivity simultaneously, can mix less or not mix adsorbent.
Further, each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for
49%～69%；NACF accounts for 1%～6%.When glass microballoon quality accounting is less than 30%, role is limited, with
Effect difference compared by traditional adiabatic core being not added with glass microballoon is not obvious especially, when glass microballoon accounting is higher than 50%,
Molding and the intensity of core can be affected.Preferably, glass microballoon accounts for 45% to the present embodiment；Glass fibre accounts for 51%；Activated carbon
Fiber accounts for 4%.
Further, the thickness of described core is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best, building trade
Insulated panel core material thickness typically between 6mm～10mm.
Further, described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Further, described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE (polyethylene), with Al (aluminum), VMPET
(polyester aluminizer), PA (polyamide is commonly called as nylon) are formed by the process high-temperature high frequency heat laminating that dry type is compound.
Further, described glass microballoon is hollow glass micropearl.Hollow glass micropearl is a kind of through special processed
Glass microballoon, it is less compared with glass microballoon that it is mainly characterized by density, and heat conductivity is worse, and therefore effect of heat insulation is more preferably.
Further, described glass microballoon, glass fibre and carbon fiber fill with methylcellulose saturated solution after being mixed in proportion
Dividing stirring mixing, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution, and its concentration is 0.2%～2%,
Owing to glass microballoon does not absorbs water, smooth, easily disperse, good heat-insulation effect.
The core of the vacuum heat-insulating plate of the present embodiment adds glass microballoon and fills, due to high dispersive, the mobility of glass microballoon
Good, do not absorb water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, intensity is big simultaneously, and good toughness can
Bending about 10%.
Embodiment 5
The vacuum heat-insulating plate of the present invention includes outer packaging layer and the core being placed in described outer packaging layer, described outer packaging
Evacuation in layer, described core includes glass microballoon.
Further, described core is the mixture based on glass microballoon and glass fibre.Due to glass microballoon high dispersive,
Good fluidity, do not absorb water and thermal insulation is good, the effect of heat insulation of vacuum heat-insulating plate core can be greatly improved.
Further, described core includes glass microballoon, glass fibre and NACF.NACF specific surface area is big,
Effective at certain volume inside holding, there is the strongest adsorptivity simultaneously, can mix less or not mix adsorbent.
Further, each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for
49%～69%；NACF accounts for 1%～6%.When glass microballoon quality accounting is less than 30%, role is limited, with
Effect difference compared by traditional adiabatic core being not added with glass microballoon is not obvious especially, when glass microballoon accounting is higher than 50%,
Molding and the intensity of core can be affected.Preferably, glass microballoon accounts for 50% to the present embodiment；Glass fibre accounts for 49%；Activated carbon
Fiber accounts for 1%.
Further, the thickness of described core is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best, building trade
Insulated panel core material thickness typically between 6mm～10mm.
Further, described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Further, described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE (polyethylene), with Al (aluminum), VMPET
(polyester aluminizer), PA (polyamide is commonly called as nylon) are formed by the process high-temperature high frequency heat laminating that dry type is compound.
Further, described glass microballoon is hollow glass micropearl.Hollow glass micropearl is a kind of through special processed
Glass microballoon, it is less compared with glass microballoon that it is mainly characterized by density, and heat conductivity is worse, and therefore effect of heat insulation is more preferably.
Further, described glass microballoon, glass fibre and carbon fiber fill with methylcellulose saturated solution after being mixed in proportion
Dividing stirring mixing, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution, and its concentration is 0.2%～2%,
Owing to glass microballoon does not absorbs water, smooth, easily disperse, good heat-insulation effect.
The core of the vacuum heat-insulating plate of the present embodiment adds glass microballoon and fills, due to high dispersive, the mobility of glass microballoon
Good, do not absorb water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, intensity is big simultaneously, and good toughness can
Bending about 10%.
Embodiment 6
The vacuum heat-insulating plate of the present invention includes outer packaging layer and the core being placed in described outer packaging layer, described outer packaging
Evacuation in layer, described core includes glass microballoon.
Further, described core is the mixture based on glass microballoon and glass fibre.Due to glass microballoon high dispersive,
Good fluidity, do not absorb water and thermal insulation is good, the effect of heat insulation of vacuum heat-insulating plate core can be greatly improved.
Further, described core includes glass microballoon, glass fibre and NACF.NACF specific surface area is big,
Effective at certain volume inside holding, there is the strongest adsorptivity simultaneously, can mix less or not mix adsorbent.
Further, each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for
49%～69%；NACF accounts for 1%～6%.
Preferably, described core also includes closed perlite to the present embodiment, mass ratio shared by described closed perlite be 8%～
16%.Closed perlite has that intensity is high, and water absorption rate is low, the feature such as intensity is high, Combination is good etc., easy dispersion, Ke Yijin
One step improves the effect of heat insulation of vacuum heat-insulating plate.
In the present embodiment, glass microballoon accounts for 30%；Glass fibre accounts for 51%；NACF accounts for 3%；Closed perlite accounts for 16%.
Further, the thickness of described core is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best, building trade
Insulated panel core material thickness typically between 6mm～10mm.
Further, described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Further, described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE (polyethylene), with Al (aluminum), VMPET
(polyester aluminizer), PA (polyamide is commonly called as nylon) are formed by the process high-temperature high frequency heat laminating that dry type is compound.
Further, described glass microballoon is hollow glass micropearl.Hollow glass micropearl is a kind of through special processed
Glass microballoon, it is less compared with glass microballoon that it is mainly characterized by density, and heat conductivity is worse, and therefore effect of heat insulation is more preferably.
Further, described glass microballoon, glass fibre and carbon fiber fill with methylcellulose saturated solution after being mixed in proportion
Dividing stirring mixing, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution, and its concentration is 0.2%～2%,
Owing to glass microballoon does not absorbs water, smooth, easily disperse, good heat-insulation effect.
The core of the vacuum heat-insulating plate of the present embodiment adds glass microballoon and fills, due to high dispersive, the mobility of glass microballoon
Good, do not absorb water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, intensity is big simultaneously, and good toughness can
Bending about 10%.It addition, closed perlite to have intensity high, water absorption rate is low, and intensity is high, Combination is good etc., easily disperse
Etc. feature, the addition of closed perlite can improve the effect of heat insulation of vacuum heat-insulating plate further.
Embodiment 7
The vacuum heat-insulating plate of the present invention includes outer packaging layer and the core being placed in described outer packaging layer, described outer packaging
Evacuation in layer, described core includes glass microballoon.
Further, described core is the mixture based on glass microballoon and glass fibre.Due to glass microballoon high dispersive,
Good fluidity, do not absorb water and thermal insulation is good, the effect of heat insulation of vacuum heat-insulating plate core can be greatly improved.
Further, described core includes glass microballoon, glass fibre and NACF.NACF specific surface area is big,
Effective at certain volume inside holding, there is the strongest adsorptivity simultaneously, can mix less or not mix adsorbent.
Further, each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for
49%～69%；NACF accounts for 1%～6%.
Preferably, described core also includes closed perlite to the present embodiment, mass ratio shared by described closed perlite be 8%～
16%.Closed perlite has that intensity is high, and water absorption rate is low, the feature such as intensity is high, Combination is good etc., easy dispersion, Ke Yijin
One step improves the effect of heat insulation of vacuum heat-insulating plate.
In the present embodiment, glass microballoon accounts for 35%；Glass fibre accounts for 53%；NACF accounts for 2%；Closed perlite accounts for 10%.
Further, the thickness of described core is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best, building trade
Insulated panel core material thickness typically between 6mm～10mm.
Further, described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Further, described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE (polyethylene), with Al (aluminum), VMPET
(polyester aluminizer), PA (polyamide is commonly called as nylon) are formed by the process high-temperature high frequency heat laminating that dry type is compound.
Further, described glass microballoon is hollow glass micropearl.Hollow glass micropearl is a kind of through special processed
Glass microballoon, it is less compared with glass microballoon that it is mainly characterized by density, and heat conductivity is worse, and therefore effect of heat insulation is more preferably.
Further, described glass microballoon, glass fibre and carbon fiber fill with methylcellulose saturated solution after being mixed in proportion
Dividing stirring mixing, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution, and its concentration is 0.2%～2%,
Owing to glass microballoon does not absorbs water, smooth, easily disperse, good heat-insulation effect.
The core of the vacuum heat-insulating plate of the present embodiment adds glass microballoon and fills, due to high dispersive, the mobility of glass microballoon
Good, do not absorb water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, intensity is big simultaneously, and good toughness can
Bending about 10%.It addition, closed perlite to have intensity high, water absorption rate is low, and intensity is high, Combination is good etc., easily disperse
Etc. feature, the addition of closed perlite can improve the effect of heat insulation of vacuum heat-insulating plate further.
Embodiment 8
The vacuum heat-insulating plate of the present invention includes outer packaging layer and the core being placed in described outer packaging layer, described outer packaging
Evacuation in layer, described core includes glass microballoon.
Further, described core is the mixture based on glass microballoon and glass fibre.Due to glass microballoon high dispersive,
Good fluidity, do not absorb water and thermal insulation is good, the effect of heat insulation of vacuum heat-insulating plate core can be greatly improved.
Further, described core includes glass microballoon, glass fibre and NACF.NACF specific surface area is big,
Effective at certain volume inside holding, there is the strongest adsorptivity simultaneously, can mix less or not mix adsorbent.
Further, each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for
49%～69%；NACF accounts for 1%～6%.
Preferably, described core also includes closed perlite to the present embodiment, mass ratio shared by described closed perlite be 8%～
16%.Closed perlite has that intensity is high, and water absorption rate is low, the feature such as intensity is high, Combination is good etc., easy dispersion, Ke Yijin
One step improves the effect of heat insulation of vacuum heat-insulating plate.
In the present embodiment, glass microballoon accounts for 40%；Glass fibre accounts for 49%；NACF accounts for 3%；Closed perlite accounts for 8%.
Further, the thickness of described core is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best, building trade
Insulated panel core material thickness typically between 6mm～10mm.
Further, described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Further, described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE (polyethylene), with Al (aluminum), VMPET
(polyester aluminizer), PA (polyamide is commonly called as nylon) are formed by the process high-temperature high frequency heat laminating that dry type is compound.
Further, described glass microballoon is hollow glass micropearl.Hollow glass micropearl is a kind of through special processed
Glass microballoon, it is less compared with glass microballoon that it is mainly characterized by density, and heat conductivity is worse, and therefore effect of heat insulation is more preferably.
Further, described glass microballoon, glass fibre and carbon fiber fill with methylcellulose saturated solution after being mixed in proportion
Dividing stirring mixing, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution, and its concentration is 0.2%～2%,
Owing to glass microballoon does not absorbs water, smooth, easily disperse, good heat-insulation effect.
The core of the vacuum heat-insulating plate of the present embodiment adds glass microballoon and fills, due to high dispersive, the mobility of glass microballoon
Good, do not absorb water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, intensity is big simultaneously, and good toughness can
Bending about 10%.It addition, closed perlite to have intensity high, water absorption rate is low, and intensity is high, Combination is good etc., easily disperse
Etc. feature, the addition of closed perlite can improve the effect of heat insulation of vacuum heat-insulating plate further.
Embodiment 9
Vacuum heat-insulating plate in embodiment 1～embodiment 8 is thermally shielded performance test, be simultaneously introduced existing glass fibre and
The reference of the vacuum heat-insulating plate of aeroge, carries out parameter comparison, and the STP that Qingdao Ke Rui Group Co., Ltd chosen by object of reference is true
Empty heat-insulating shield, production code member is SN20160425153647951, and its heat conductivity is 8m W/ (m K), and parameter is selected from
Qingdao Ke Rui Group Co., Ltd official website http://www.cncreek.cn/html/cn/: series of products → STP series → STP
(VIPB) vacuum heat-insulating plate, is thermally shielded performance comparison, to enforcement by this parameter with the vacuum heat-insulating plate in previous embodiment
Vacuum heat-insulating plate in example 1～embodiment 8 is tested, and records its heat conductivity as shown in the table:
| Type | Heat conductivity m W/ (m K) | Type | Heat conductivity m W/ (m K) |
| Embodiment 1 | 5.033 | Embodiment 5 | 3.741 |
| Embodiment 2 | 4.976 | Embodiment 6 | 4.625 |
| Embodiment 3 | 3.506 | Embodiment 7 | 3.416 |
| Embodiment 4 | 3.023 | Embodiment 8 | 2.996 |
Can be learnt by upper table, the vacuum heat-insulating plate heat conduction system of the present invention is low, and comparing existing vacuum heat-insulating plate on market has more
Superior heat conductivity, thermal insulation is good, and heat-proof quality improves more than 33%, the highest improves 62%, can be widely applied to
Each field, wide market.
The core of the vacuum heat-insulating plate of the present invention adds glass microballoon and fills, due to the high dispersive of glass microballoon, good fluidity,
Not absorbing water and thermal insulation is good, substantially increase the effect of heat insulation of vacuum heat-insulating plate, intensity is big simultaneously, and good toughness is bent
About 10%.
Existing vacuum heat-insulating plate is the inside preventing the air in use having fraction from can leak into vacuum heat-insulating plate,
By placing adsorbent at vacuum insulation intralaminar part, the GAS ABSORPTION of this part is fallen, thus ensure the use longevity of vacuum heat-insulating plate
Life.And the core of the vacuum heat-insulating plate of the present invention adds NACF, NACF has the strongest adsorptivity, can
To add less or to be not added with adsorbent, meanwhile, NACF specific surface area is big, and certain volume inside holding is effective, further
Improve the effect of heat insulation of vacuum heat-insulating plate.
Elaborate a lot of detail in the above description so that fully understanding the present invention.But above description is only this
Bright preferred embodiment, the present invention can implement to be much different from alternate manner described here, the therefore present invention
Do not limited by disclosed above being embodied as.The most any those skilled in the art are without departing from technical solution of the present invention
Under ambit, technical solution of the present invention is made many possible variations by the method and the technology contents that all may utilize the disclosure above
And modification, or it is revised as the Equivalent embodiments of equivalent variations, such as change cores according to the different of vacuum heat-insulating plate application
Thickness etc..Every content without departing from technical solution of the present invention, is done above example according to the technical spirit of the present invention
Any simple modification, equivalent variations and modification, all still fall within technical solution of the present invention protection in the range of.
Claims (10)
1. a vacuum heat-insulating plate, it is characterised in that: including outer packaging layer and the core being placed in described outer packaging layer, evacuation in described outer packaging layer, described core includes glass microballoon.
Vacuum heat-insulating plate the most according to claim 1, it is characterised in that: described core is the mixture based on glass microballoon and glass fibre.
Vacuum heat-insulating plate the most according to claim 1, it is characterised in that: described core includes glass microballoon, glass fibre and NACF.
Vacuum heat-insulating plate the most according to claim 3, it is characterised in that: each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%.
Vacuum heat-insulating plate the most according to claim 3, it is characterised in that: described core also includes closed perlite.
Vacuum heat-insulating plate the most according to claim 5, it is characterised in that: each constituent mass percentage ratio in described core is: glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%；Mass ratio shared by closed perlite is 8%～16%.
Vacuum heat-insulating plate the most according to claim 1, it is characterised in that: the thickness of described core is 6mm～10mm.
Vacuum heat-insulating plate the most according to claim 1, it is characterised in that: described outer packaging layer is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
Vacuum heat-insulating plate the most according to claim 8, it is characterised in that: described MULTILAYER COMPOSITE high-isolation film is interior adhesion coating with PE, is formed by the process high-temperature high frequency heat laminating that dry type is compound with Al, VMPET, PA.
10. according to the vacuum heat-insulating plate according to any one of claim 1-9, it is characterised in that: described glass microballoon is hollow glass micropearl.
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Effective date of registration: 20181206 Address after: 210000 Jiangsu Nanjing Jiangning District Tangshan street Qilin Gate Community Kai Cheng Road No. 6 Applicant after: Nanjing Cengo Energy-saving Material Co., Ltd. Address before: 210000 6 Kirin gate Kaesong Road, Jiangning District, Nanjing, Jiangsu Applicant before: Nanjing Huike Shengde Energy Saving Technology Co., Ltd. |
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