CN105970742A - Preparing method for vacuum heat insulation board - Google Patents
Preparing method for vacuum heat insulation board Download PDFInfo
- Publication number
- CN105970742A CN105970742A CN201610465275.1A CN201610465275A CN105970742A CN 105970742 A CN105970742 A CN 105970742A CN 201610465275 A CN201610465275 A CN 201610465275A CN 105970742 A CN105970742 A CN 105970742A
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- China
- Prior art keywords
- vacuum heat
- heat insulation
- insulating plate
- glass
- preparation
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- 238000009413 insulation Methods 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000011521 glass Substances 0.000 claims abstract description 118
- 239000003365 glass fiber Substances 0.000 claims abstract description 57
- 239000012047 saturated solution Substances 0.000 claims abstract description 41
- 239000000203 mixture Substances 0.000 claims abstract description 33
- 238000002955 isolation Methods 0.000 claims abstract description 21
- 229920000609 methyl cellulose Polymers 0.000 claims abstract description 21
- 239000001923 methylcellulose Substances 0.000 claims abstract description 21
- 238000005538 encapsulation Methods 0.000 claims abstract description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 11
- 239000010935 stainless steel Substances 0.000 claims abstract description 11
- 239000011162 core material Substances 0.000 claims description 53
- 238000002360 preparation method Methods 0.000 claims description 53
- 235000019362 perlite Nutrition 0.000 claims description 28
- 239000010451 perlite Substances 0.000 claims description 28
- 230000004888 barrier function Effects 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 20
- 239000004744 fabric Substances 0.000 claims description 20
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 20
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 20
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 20
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 20
- 235000010981 methylcellulose Nutrition 0.000 claims description 20
- 239000000470 constituent Substances 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 39
- 238000005520 cutting process Methods 0.000 abstract description 10
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 239000011324 bead Substances 0.000 abstract 3
- 229920000049 Carbon (fiber) Polymers 0.000 abstract 2
- 239000004917 carbon fiber Substances 0.000 abstract 2
- 238000001035 drying Methods 0.000 abstract 2
- 238000005086 pumping Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000004698 Polyethylene Substances 0.000 description 18
- 239000006185 dispersion Substances 0.000 description 13
- 238000010521 absorption reaction Methods 0.000 description 11
- 206010016766 flatulence Diseases 0.000 description 11
- 239000004677 Nylon Substances 0.000 description 9
- 239000004952 Polyamide Substances 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 229920001778 nylon Polymers 0.000 description 9
- 229920002647 polyamide Polymers 0.000 description 9
- 229920000728 polyester Polymers 0.000 description 9
- -1 polyethylene Polymers 0.000 description 9
- 229920000573 polyethylene Polymers 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 239000000835 fiber Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 229910002012 Aerosil® Inorganic materials 0.000 description 3
- 235000005956 Cosmos caudatus Nutrition 0.000 description 3
- 244000293323 Cosmos caudatus Species 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/46—Non-siliceous fibres, e.g. from metal oxides
- D21H13/50—Carbon fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Thermal Insulation (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a preparing method for a vacuum heat insulation board. The preparing method comprises the following steps that firstly, glass beads, glass fibers, active carbon fibers and the like are mixed at a proportion; secondly, the mixture obtained in the first step and a methylcellulose saturated solution are fully stirred and mixed into a flocculent state; thirdly, the mixture obtained in the second step is uniformly poured onto a stainless steel screen according to the thickness requirement, and a vacuum heat insulation board core is obtained after airing, drying and cutting; fourthly, the vacuum heat insulation board core is put into an isolation packaging bag, vacuum pumping encapsulation is carried out, and the vacuum heat insulation board is obtained. In the first step, the glass beads account for 30-50%, the glass fibers account for 49-69%, and the active carbon fibers account for 1-6%. The mesh number of the screen is 60-90. The glass beads are hollow. The preparing method for the vacuum heat insulation board is easy and convenient to implement, the heat insulation effect of the vacuum heat insulation board is greatly improved, and meanwhile the vacuum heat insulation board is light, good in flexibility and capable of being bent by around 10%. Meanwhile, the problem of bulging is effectively solved through the screen airing and drying mode.
Description
Technical field
The present invention relates to heat-insulating heat-preserving material field, particularly relate to the preparation method of 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.
The preparation method of the vacuum heat-insulating plate of the existing core being made up of glass fibre and aeroge typically uses each composition
Obtaining core after carrying out the conventional steps such as dehydration after mixing to see, then core inserts packaging bag, and prepared by such method true
Empty heat-insulating shield not only effect of heat insulation is general, and uses the fragile glass fibre when building trade to expand, and there is tympanites
Problem.
Summary of the invention
The technical problem to be solved in the present invention is to design the preparation method of a kind of vacuum heat-insulating plate, solves asking of prior art existence
Topic.
For solving above-mentioned technical problem, the preparation method of the vacuum heat-insulating plate of the present invention comprises the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: be thoroughly mixed with methylcellulose saturated solution by the mixture in S1, is mixed to form cotton-shaped；
S3: according to thickness requirement, the mixture in S2 is poured on stainless steel sift equably online, by dry in the sun, dries, cuts out
Core material of vacuum heat insulation plate is obtained after cutting；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
Further, in S1, in the mixture of glass microballoon, glass fibre and NACF, each constituent mass percentage ratio is:
Glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%.
Further, S1 is additionally added when hybrid glass microballon, glass fibre and NACF closed perlite mixing, and
Each constituent mass percentage ratio is: glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF account for 1%～
6%；Closed perlite accounts for 8%～16%.It is high that closed perlite has intensity, and water absorption rate is low, intensity is high, Combination is good etc.,
The features such as easy dispersion, can improve the effect of heat insulation of vacuum heat-insulating plate further.
Further, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
Further, the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
Further, described screen cloth is 60～90 mesh specifications.
Further, described barrier package bag 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, the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.Core thickness is the thickest, and heat insulation effect is the best,
The insulated panel core material thickness of building trade is typically between 6mm～10mm.
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.
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 use the present invention
Thermal insulation board core prepared by method adds glass microballoon, reduces the content of glass fibre, and glass microballoon is ball
Shape, has more preferable mobility, mold filling excellent performance than lamellar, needle-like or erose filler.And glass microballoon
It is isotropic, thus without producing because being orientated the disadvantage causing different parts shrinkage factor inconsistent, it is ensured that the chi of product
Very little stable, will not warpage.Meanwhile, glass microballoon is smooth not to absorb water, good dispersion.It addition, closed perlite has intensity
Height, water absorption rate is low, and the feature such as intensity is high, Combination is good etc., easy dispersion, the addition of closed perlite can improve further
The effect of heat insulation of vacuum heat-insulating plate.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 preparation method of the present invention adds NACF in the core of vacuum heat-insulating plate, NACF has the strongest
Adsorptivity, can add less or be not added with adsorbent, and meanwhile, NACF specific surface area is big, certain volume inside holding effect
Good, further increase the effect of heat insulation of vacuum heat-insulating plate.
Beneficial effects of the present invention: the preparation method of the vacuum heat-insulating plate of the present invention is simple and convenient, and the vacuum heat-insulating plate of preparation
Core add glass microballoon and fill, 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 most slight big, good toughness, bent about 10%.It addition, closed pore
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, the addition of closed perlite
The effect of heat insulation of vacuum heat-insulating plate can be improved further.Meanwhile, the mode using screen cloth dry in the sun to dry efficiently solves tympanites
Problem.
Detailed description of the invention
Embodiment 1
The preparation method of the vacuum heat-insulating plate of the present embodiment comprises the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: be thoroughly mixed with methylcellulose saturated solution by the mixture in S1, is mixed to form cotton-shaped；
S3: according to thickness requirement, the mixture in S2 is poured on stainless steel sift equably online, by dry in the sun, dries, cuts out
Core material of vacuum heat insulation plate is obtained after cutting；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
Further, in S1, in the mixture of glass microballoon, glass fibre and NACF, each constituent mass percentage ratio is:
Glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%.With preparation in the present embodiment
As a example by 1000kg, the NACF of the glass microballoon of 300kg, the glass fibre of 690kg and 10kg is mixed by S1.
Further, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
Further, the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
Further, described screen cloth is 60～90 mesh specifications.
Further, described barrier package bag 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, the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.
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.
The preparation method of the vacuum heat-insulating plate of the present embodiment is simple and convenient, and the core of the vacuum heat-insulating plate of preparation adds glass
Microballon is filled, due to glass microballoon high dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase vacuum exhausted
The effect of heat insulation of hot plate, the most slight big, good toughness, bent about 10%.Meanwhile, the side that screen cloth dry in the sun is dried is used
The problem that formula efficiently solves tympanites.
Embodiment 2
The preparation method of the vacuum heat-insulating plate of the present embodiment comprises the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: be thoroughly mixed with methylcellulose saturated solution by the mixture in S1, is mixed to form cotton-shaped；
S3: according to thickness requirement, the mixture in S2 is poured on stainless steel sift equably online, by dry in the sun, dries, cuts out
Core material of vacuum heat insulation plate is obtained after cutting；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
Further, in S1, in the mixture of glass microballoon, glass fibre and NACF, each constituent mass percentage ratio is:
Glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%.With preparation in the present embodiment
As a example by 1000kg, the NACF of the glass microballoon of 350kg, the glass fibre of 620kg and 30kg is mixed by S1.
Further, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
Further, the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
Further, described screen cloth is 60～90 mesh specifications.
Further, described barrier package bag 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, the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.
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.
The preparation method of the vacuum heat-insulating plate of the present embodiment is simple and convenient, and the core of the vacuum heat-insulating plate of preparation adds glass
Microballon is filled, due to glass microballoon high dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase vacuum exhausted
The effect of heat insulation of hot plate, the most slight big, good toughness, bent about 10%.Meanwhile, the side that screen cloth dry in the sun is dried is used
The problem that formula efficiently solves tympanites.
Embodiment 3
The preparation method of the vacuum heat-insulating plate of the present embodiment comprises the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: be thoroughly mixed with methylcellulose saturated solution by the mixture in S1, is mixed to form cotton-shaped；
S3: according to thickness requirement, the mixture in S2 is poured on stainless steel sift equably online, by dry in the sun, dries, cuts out
Core material of vacuum heat insulation plate is obtained after cutting；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
Further, in S1, in the mixture of glass microballoon, glass fibre and NACF, each constituent mass percentage ratio is:
Glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%.With preparation in the present embodiment
As a example by 1000kg, the NACF of the glass microballoon of 400kg, the glass fibre of 540kg and 60kg is mixed by S1.
Further, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
Further, the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
Further, described screen cloth is 60～90 mesh specifications.
Further, described barrier package bag 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, the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.
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.
The preparation method of the vacuum heat-insulating plate of the present embodiment is simple and convenient, and the core of the vacuum heat-insulating plate of preparation adds glass
Microballon is filled, due to glass microballoon high dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase vacuum exhausted
The effect of heat insulation of hot plate, the most slight big, good toughness, bent about 10%.Meanwhile, the side that screen cloth dry in the sun is dried is used
The problem that formula efficiently solves tympanites.
Embodiment 4
The preparation method of the vacuum heat-insulating plate of the present embodiment comprises the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: be thoroughly mixed with methylcellulose saturated solution by the mixture in S1, is mixed to form cotton-shaped；
S3: according to thickness requirement, the mixture in S2 is poured on stainless steel sift equably online, by dry in the sun, dries, cuts out
Core material of vacuum heat insulation plate is obtained after cutting；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
Further, in S1, in the mixture of glass microballoon, glass fibre and NACF, each constituent mass percentage ratio is:
Glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%.With preparation in the present embodiment
As a example by 1000kg, the NACF of the glass microballoon of 450kg, the glass fibre of 510kg and 40kg is mixed by S1.
Further, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
Further, the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
Further, described screen cloth is 60～90 mesh specifications.
Further, described barrier package bag 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, the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.
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.
The preparation method of the vacuum heat-insulating plate of the present embodiment is simple and convenient, and the core of the vacuum heat-insulating plate of preparation adds glass
Microballon is filled, due to glass microballoon high dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase vacuum exhausted
The effect of heat insulation of hot plate, the most slight big, good toughness, bent about 10%.Meanwhile, the side that screen cloth dry in the sun is dried is used
The problem that formula efficiently solves tympanites.
Embodiment 5
The preparation method of the vacuum heat-insulating plate of the present embodiment comprises the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: be thoroughly mixed with methylcellulose saturated solution by the mixture in S1, is mixed to form cotton-shaped；
S3: according to thickness requirement, the mixture in S2 is poured on stainless steel sift equably online, by dry in the sun, dries, cuts out
Core material of vacuum heat insulation plate is obtained after cutting；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
Further, in S1, in the mixture of glass microballoon, glass fibre and NACF, each constituent mass percentage ratio is:
Glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%.With preparation in the present embodiment
As a example by 1000kg, the NACF of the glass microballoon of 500kg, the glass fibre of 490kg and 10kg is mixed by S1.
Further, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
Further, the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
Further, described screen cloth is 60～90 mesh specifications.
Further, described barrier package bag 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, the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.
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.
The preparation method of the vacuum heat-insulating plate of the present embodiment is simple and convenient, and the core of the vacuum heat-insulating plate of preparation adds glass
Microballon is filled, due to glass microballoon high dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase vacuum exhausted
The effect of heat insulation of hot plate, the most slight big, good toughness, bent about 10%.Meanwhile, the side that screen cloth dry in the sun is dried is used
The problem that formula efficiently solves tympanites.
Embodiment 6
The preparation method of the vacuum heat-insulating plate of the present embodiment comprises the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: be thoroughly mixed with methylcellulose saturated solution by the mixture in S1, is mixed to form cotton-shaped；
S3: according to thickness requirement, the mixture in S2 is poured on stainless steel sift equably online, by dry in the sun, dries, cuts out
Core material of vacuum heat insulation plate is obtained after cutting；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
The present embodiment preferably, is additionally added closed pore Margarita in S1 when hybrid glass microballon, glass fibre and NACF
Rock mixes, and 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, permissible
Improve the effect of heat insulation of vacuum heat-insulating plate further.Glass microballoon, glass fibre, active carbon fibre peacekeeping closed perlite in S1
Mixture in each constituent mass percentage ratio be: glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；Activated carbon
Fiber accounts for 1%～6%；Closed perlite accounts for 8%～16%.In the present embodiment as a example by preparation 1000kg, by 300kg in S1
Glass microballoon, the glass fibre of 510kg, 3kg active carbon fibre peacekeeping 16kg closed perlite mixing.
Further, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
Further, the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
Further, described screen cloth is 60～90 mesh specifications.
Further, described barrier package bag 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, the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.
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.
The preparation method of the vacuum heat-insulating plate of the present embodiment is simple and convenient, and the core of the vacuum heat-insulating plate of preparation adds glass
Microballon is filled, due to glass microballoon high dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase vacuum exhausted
The effect of heat insulation of hot plate, the most slight big, good toughness, bent about 10%.It addition, closed perlite has intensity height,
Water absorption rate is low, and the feature such as intensity is high, Combination is good etc., easy dispersion, the addition of closed perlite can improve vacuum further
The effect of heat insulation of heat-insulating shield.Meanwhile, the problem that the mode using screen cloth dry in the sun to dry efficiently solves tympanites.
Embodiment 7
The preparation method of the vacuum heat-insulating plate of the present embodiment comprises the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: be thoroughly mixed with methylcellulose saturated solution by the mixture in S1, is mixed to form cotton-shaped；
S3: according to thickness requirement, the mixture in S2 is poured on stainless steel sift equably online, by dry in the sun, dries, cuts out
Core material of vacuum heat insulation plate is obtained after cutting；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
The present embodiment preferably, is additionally added closed pore Margarita in S1 when hybrid glass microballon, glass fibre and NACF
Rock mixes, and 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, permissible
Improve the effect of heat insulation of vacuum heat-insulating plate further.Glass microballoon, glass fibre, active carbon fibre peacekeeping closed perlite in S1
Mixture in each constituent mass percentage ratio be: glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；Activated carbon
Fiber accounts for 1%～6%；Closed perlite accounts for 8%～16%.In the present embodiment as a example by preparation 1000kg, by 380kg in S1
Glass microballoon, the glass fibre of 480kg, 6kg active carbon fibre peacekeeping 8kg closed perlite mixing.
Further, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
Further, the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
Further, described screen cloth is 60～90 mesh specifications.
Further, described barrier package bag 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, the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.
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.
The preparation method of the vacuum heat-insulating plate of the present embodiment is simple and convenient, and the core of the vacuum heat-insulating plate of preparation adds glass
Microballon is filled, due to glass microballoon high dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase vacuum exhausted
The effect of heat insulation of hot plate, the most slight big, good toughness, bent about 10%.It addition, closed perlite has intensity height,
Water absorption rate is low, and the feature such as intensity is high, Combination is good etc., easy dispersion, the addition of closed perlite can improve vacuum further
The effect of heat insulation of heat-insulating shield.Meanwhile, the problem that the mode using screen cloth dry in the sun to dry efficiently solves tympanites.
Embodiment 8
The preparation method of the vacuum heat-insulating plate of the present embodiment comprises the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: be thoroughly mixed with methylcellulose saturated solution by the mixture in S1, is mixed to form cotton-shaped；
S3: according to thickness requirement, the mixture in S2 is poured on stainless steel sift equably online, by dry in the sun, dries, cuts out
Core material of vacuum heat insulation plate is obtained after cutting；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
The present embodiment preferably, is additionally added closed pore Margarita in S1 when hybrid glass microballon, glass fibre and NACF
Rock mixes, and 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, permissible
Improve the effect of heat insulation of vacuum heat-insulating plate further.Glass microballoon, glass fibre, active carbon fibre peacekeeping closed perlite in S1
Mixture in each constituent mass percentage ratio be: glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；Activated carbon
Fiber accounts for 1%～6%；Closed perlite accounts for 8%～16%.In the present embodiment as a example by preparation 1000kg, by 410kg in S1
Glass microballoon, the glass fibre of 450kg, 2kg active carbon fibre peacekeeping 12kg closed perlite mixing.
Further, described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
Further, the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
Further, described screen cloth is 60～90 mesh specifications.
Further, described barrier package bag 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, the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.
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.
The preparation method of the vacuum heat-insulating plate of the present embodiment is simple and convenient, and the core of the vacuum heat-insulating plate of preparation adds glass
Microballon is filled, due to glass microballoon high dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase vacuum exhausted
The effect of heat insulation of hot plate, the most slight big, good toughness, bent about 10%.It addition, closed perlite has intensity height,
Water absorption rate is low, and the feature such as intensity is high, Combination is good etc., easy dispersion, the addition of closed perlite can improve vacuum further
The effect of heat insulation of heat-insulating shield.Meanwhile, the problem that the mode using screen cloth dry in the sun to dry efficiently solves tympanites.
Embodiment 9
The vacuum heat-insulating plate of the preparation method using previous embodiment is thermally shielded performance test, is simultaneously introduced existing glass fibers
The reference of the vacuum heat-insulating plate of peacekeeping aeroge, carries out parameter comparison, and the STP of Qingdao Ke Rui Group Co., Ltd chosen by object of reference
Vacuum heat-insulating plate, production code member is SN20160425153647951, and its heat conductivity is 8m W/ (m K), and parameter is plucked
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, the vacuum heat-insulating plate this parameter and the present processes prepared carries out performance comparison, right
The vacuum heat-insulating plate prepared in embodiment 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 | 3.286 |
| Embodiment 4 | 3.023 | Embodiment 8 | 2.743 |
Can be learnt by upper table, the vacuum heat-insulating plate heat conduction system using the inventive method to prepare is low, compares existing vacuum on market
Heat-insulating shield has more superior heat conductivity, and thermal insulation is good, and heat-proof quality at least improves more than 37%, the highest improves 65%,
Can be widely applied to each field, wide market.
The preparation method of the vacuum heat-insulating plate of the present invention is simple and convenient, and the core of vacuum heat-insulating plate of preparation to add glass micro-
Pearl is filled, due to glass microballoon high dispersive, good fluidity, do not absorb water and thermal insulation is good, substantially increase vacuum insulation
The effect of heat insulation of plate, the most slight big, good toughness, bent about 10%.It addition, closed perlite has intensity height,
Water absorption rate is low, and the feature such as intensity is high, Combination is good etc., easy dispersion, the addition of closed perlite can improve vacuum further
The effect of heat insulation of heat-insulating shield.Meanwhile, the problem that the mode using screen cloth dry in the sun to dry efficiently solves tympanites.
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. the preparation method of a vacuum heat-insulating plate, it is characterised in that: comprise the steps:
S1: glass microballoon, glass fibre and NACF equal proportion are mixed；
S2: the mixture in S1 is thoroughly mixed with methylcellulose saturated solution；
S3: according to thickness requirement, equably the mixture in S2 is poured on stainless steel sift online, by dry in the sun, dry, cut after obtain core material of vacuum heat insulation plate；
S4: core material of vacuum heat insulation plate is placed in barrier package bag, and carry out evacuation encapsulation obtain vacuum heat-insulating plate.
The preparation method of vacuum heat-insulating plate the most according to claim 1, it is characterised in that: described S1 is additionally added when hybrid glass microballon, glass fibre and NACF closed perlite mixing.
The preparation method of vacuum heat-insulating plate the most according to claim 1, it is characterised in that: in S1, in the mixture of glass microballoon, glass fibre and NACF, each constituent mass percentage ratio is: glass microballoon accounts for 30%～50%；Glass fibre accounts for 49%～69%；NACF accounts for 1%～6%.
The preparation method of vacuum heat-insulating plate the most according to claim 1, it is characterised in that: described methylcellulose saturated solution is hydroxypropyl methyl cellulose saturated solution.
The preparation method of vacuum heat-insulating plate the most according to claim 4, it is characterised in that: the concentration of described hydroxypropyl methyl cellulose saturated solution is 0.2%～2%.
The preparation method of vacuum heat-insulating plate the most according to claim 1, it is characterised in that: described screen cloth is 60～90 mesh specifications.
The preparation method of vacuum heat-insulating plate the most according to claim 1, it is characterised in that: described barrier package bag is the MULTILAYER COMPOSITE high-isolation film that thickness is not less than 100 μm.
The preparation method of vacuum heat-insulating plate the most according to claim 7, 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.
The preparation method of vacuum heat-insulating plate the most according to claim 1, it is characterised in that: the thickness of described core material of vacuum heat insulation plate is 6mm～10mm.
10. according to the preparation method of 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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