CN110077079A - A kind of composite construction and its preparation process of aeroge and PET base material - Google Patents
A kind of composite construction and its preparation process of aeroge and PET base material Download PDFInfo
- Publication number
- CN110077079A CN110077079A CN201910453921.6A CN201910453921A CN110077079A CN 110077079 A CN110077079 A CN 110077079A CN 201910453921 A CN201910453921 A CN 201910453921A CN 110077079 A CN110077079 A CN 110077079A
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- China
- Prior art keywords
- base material
- aeroge
- composite construction
- high molecular
- pet base
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- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 138
- 239000002131 composite material Substances 0.000 title claims abstract description 50
- 238000010276 construction Methods 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 92
- 239000004964 aerogel Substances 0.000 claims abstract description 57
- 239000011241 protective layer Substances 0.000 claims abstract description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 60
- 239000004965 Silica aerogel Substances 0.000 claims description 48
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 33
- 239000000178 monomer Substances 0.000 claims description 24
- 239000010410 layer Substances 0.000 claims description 22
- 239000007787 solid Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 239000003999 initiator Substances 0.000 claims description 12
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical group CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 10
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- 239000003995 emulsifying agent Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical group CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 description 37
- 238000000576 coating method Methods 0.000 description 29
- 239000011248 coating agent Substances 0.000 description 24
- 238000001035 drying Methods 0.000 description 9
- 239000003292 glue Substances 0.000 description 9
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 7
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 7
- 238000006116 polymerization reaction Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 229910002012 Aerosil® Inorganic materials 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007863 gel particle Substances 0.000 description 4
- 235000019394 potassium persulphate Nutrition 0.000 description 4
- 230000002633 protecting effect Effects 0.000 description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011491 glass wool Substances 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 238000000643 oven drying Methods 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 acrylic ester Chemical class 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
- B32B7/14—Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/157—After-treatment of gels
- C01B33/158—Purification; Drying; Dehydrating
- C01B33/1585—Dehydration into aerogels
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Silicon Compounds (AREA)
Abstract
The present invention relates to the composite constructions and its preparation process of a kind of aeroge and PET base material; including base material film; the substrate film surface offers multiple grooves to lower recess; aerogel particle is filled in the groove; the section of each groove is bonded with protective layer in up-side down triangle or trapezoidal or rectangle or semicircle, the side surface that the base material film opens up groove.The present invention provides the composite constructions and its preparation process of a kind of aeroge and PET base material that aeroge can be effectively prevent to fall off.
Description
Technical field
The present invention relates to the technical field of aeroge, a kind of composite construction more particularly, to aeroge and PET base material and
Its preparation process.
Background technique
Aeroge is a kind of novel light nanoporous amorphous solid-state material, is the smallest solid of world's upper density,
Density can be down to 0.002g/cm3, also there is high hole ratio.Meanwhile aeroge is that thermal conductivity is the smallest solid in the world at present
Body material, room temperature in vacuo thermal conductivity can reach 0.001W/m K.Aeroge high hole rate makes it have infinite number of hole wall, these
Hole wall can effective radiation-inhibiting it is thermally conductive, and the diameter of hole is minimum, can inhibit gas contained by pore interior to conductance
Heat, to effectively reduce thermal coefficient, therefore aeroge in heat preserving and insulating material field by favor.
Notification number provides a kind of blanket of glass wool for the Chinese patent of CN 103723995A and aerosil is mixed
The method for closing felt prepares mineral wool using centrifugal injection technique, sprays resinoid bond, while aerosil being starched
Material is sprayed at blanket of glass wool surface, forms the composite material that blanket is superimposed with aeroge, prepare have both very good mechanical properties with
The composite material of good thermo-insulation properties.
In prior art production and use process among the above, the aeroge mixed in blanket of glass wool is easy to fall off,
There is picking phenomenon, on the one hand picking can pollute production and use environment, endanger the health of the producer and user, on the other hand
Picking will be greatly reduced the heat insulating effect of material.
Summary of the invention
The object of the present invention is to provide the composite constructions of a kind of aeroge and PET base material, and it is de- can effectively to slow down aeroge
It falls.
To achieve the above object, technical solution of the present invention is as follows: a kind of composite structure of aeroge and PET base material, including
Base material film, the substrate film surface offer multiple grooves to lower recess, are filled with aerogel particle in the groove.
By using above-mentioned technical proposal, aerogel particle is filled in multiple grooves of substrate film surface, it can be to gas
Gel particle plays the role of protecting effect, plays better carrying to aerogel particle, promoted aerogel particle and base material film it
Between connection function, effectively slow down a possibility that aerogel particle is fallen in use, thus playing good heat-insulated effect
Also being avoided that when fruit influences the normal operation of equipment because aerogel particle is fallen.
The further setting of the present invention are as follows: each groove is parallel to each other and groove section in up-side down triangle or it is trapezoidal or
Rectangle or semicircle.
By using above-mentioned technical proposal, the groove of different cross section plays the role of better carrying to aerogel particle,
So that aerogel particle is steadily placed in groove, effectively aerogel particle is avoided to drop out out of groove.
The present invention is further arranged to: each groove substrate film surface present Hexagonal array or Square array or with
Machine arrangement, and the shape of groove recess is pyramid or trapezoidal or cuboid or semicircle.
By using above-mentioned technical proposal, the groove of different cross section plays the role of better carrying to aerogel particle,
So that aerogel particle is steadily placed in groove, effectively aerogel particle is avoided to drop out out of groove.
The present invention is further arranged to: the side surface that the base material film opens up groove is bonded with protective layer.
By using above-mentioned technical proposal, protecting effect can be played to the aerogel particle in groove using protective layer,
Stability of the aerogel particle in groove can be further promoted, avoids causing aerogel particle because of external force in use
It falls.
The present invention is further arranged to: the aerogel particle is silica aerogel particles.
By using above-mentioned technical proposal, the very thin Specific surface area of silica aerogel effectively limits local thermal excitation
Propagation, solid-state thermal conductivity 2-3 orders of magnitude lower than corresponding vitreous material, so as to reach better heat-insulated effect
Fruit.
The present invention is further arranged to: glue-line is coated with outside the aerogel particle.
By using above-mentioned technical proposal, it is able to ascend the connection fastness between adjacent aerogel particle using glue-line, is made
Aerogel particle in each groove can more steadily bond together, and can reduce the seam between adjacent aerogel particle
Gap makes aerogel particle more crypto set, to reach better heat insulation.
The further setting of the present invention are as follows: the glue-line is high molecular material, and the high molecular material is by soft monomer and firmly
Monomer polymerization forms, and the soft monomer is at least one of butyl acrylate, ethyl acrylate and Isooctyl acrylate monomer, described
Hard monomer is at least one of styrene, acrylonitrile, acrylamide and methyl acrylate.
By using above-mentioned technical proposal, soft monomer can provide high molecular material flexibility and adhesiveness, and hard monomer can
To provide the intensity and hardness of high molecular material appropriateness.
It is a further object of the present invention to provide the preparation process of a kind of aeroge and the composite construction of PET base material, Neng Gouyou
Effect slows down aerogel particle and falls off.
To achieve the above object, technical solution of the present invention is as follows: the system of a kind of aeroge and the composite construction of PET base material
It is standby, comprising the following steps:
Step A: deionized water, emulsifier, acrylate, styrene and silica aerogel particles are first added to reaction kettle
In stir evenly, control mixing speed stirs 15min~30min in 500~600rpm/min；
Step B: increasing the temperature of reaction kettle to 65~85 DEG C, and initiator is slowly added dropwise, and control initiator drips in 30~60min
Add, after the reaction was continued 2h~3h, using filtering method by reaction kettle solid and liquid separate, solid is dried to obtain outer
The silica aerogel particles microballoon of table coated high molecular material；
Step C: the silica aerogel particles microballoon of appearance coated high molecular material is coated on to the groove of substrate film surface
On, after dry, the silica aerogel particles microballoon coating of appearance coated high molecular material is formed on base material film, is finally existed
The surface of the silica aerogel particles microballoon of appearance coated high molecular material covers protective layer.
By using above-mentioned technical proposal, first by deionized water, emulsifier, acrylate, styrene and SiO2Aeroge
It is mixed and stirred for uniformly, is to allow each material in reaction kettle to come into full contact with；Temperature of reaction kettle is increased again to 65~85 DEG C, this
Temperature is the temperature of styrene and acrylic ester polymerization, easily leads to sudden and violent poly- if temperature is excessively high, it is slow that temperature crosses low reaction, causes anti-
Answer the period long, it is also possible to reaction be caused to be not thorough；Then the polymerization reaction that initiator causes acrylate and styrene is added dropwise, to
After having reacted, by reaction kettle solid and liquid separated by way of filtering, by solid drying be appearance coat high score
The silica aerogel particles microballoon of sub- material, this micro-sphere structure can prevent silica aerogel particles from falling；Again
Then it is uniform the silica aerogel particles microballoon of appearance coated high molecular material to be coated on surface by the way of coating
It is distributed on reeded base material film, to form the silica aerogel particles of appearance coated high molecular material on base material film
Microballoon coating, to prepare the composite material of comprehensive base material film and silica aerogel particles microballoon advantage；Finally cover again
The airsetting gel coating that high molecular material coats preferably is fixed on base material film, can prevent the dioxy of base material film by protective layer
SiClx aerogel particle is fallen, to prevent picking phenomenon.
In conclusion play the role of effective placement to aerogel particle using multiple grooves of substrate film surface, and
Good protecting effect is played to the aerogel particle of substrate film surface by protective layer, to avoid leading in use
The aerogel particle of substrate film surface is caused to fall.
Detailed description of the invention
Fig. 1 is the side schematic view of the present embodiment one；
Fig. 2 is the side schematic view of the present embodiment two；
Fig. 3 is the side schematic view of the present embodiment three；
Fig. 4 is the side schematic view of the present embodiment four.
In figure, 1, base material film；2, groove；3, aerogel particle；4, protective layer；5, adhesive layer；6, contact surface；7, it coats
Side.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiments of the present invention will be described in detail.
Embodiment one:
A kind of composite construction of aeroge and PET base material, it is shown referring to Fig.1, including base material film 1, it fills and inlays on 1 surface of base material film
Embedded with aerogel layer, aerogel layer includes multiple densely arranged aerogel particles 3, and aerogel particle 3 selects silica gas
Gel particle.
In order to promote the connection fastness of aerogel particle 3 and base material film 1, PET is can be selected in base material film 1, in the table of base material film 1
Face offers multiple grooves 2 to lower recess, and each groove 2 is in a strip shape and is parallel to each other, and the section of each groove 2 is in inverted triangle
Shape or trapezoidal or rectangle or semicircle can be used in carrying aerogel particle 3 using groove 2, exist to promote aerogel particle 3
The stability on 1 surface of base material film effectively reduces falling for aerogel particle 3 in use.
In order to further enhance the connective stability between aerogel particle 3 and base material film 1, groove 2 is opened up in base material film 1
A side surface be bonded with protective layer 4, PET film can be selected in protective layer 4, also can be selected electricity can be shielded made of ferrimag
The film of magnetic, protective layer 4 is coated with towards the side of base material film 1 has sticking adhesive layer 5, and adhesive layer 5 is compound in base material film 1
Surface, and in order to promote the bonding strength between protective layer 4 and base material film 1, there are between certain between adjacent grooves 2
Away from, so that being formed with 1 bottom surface of base material film is in parallel contact surface 6, and make protective layer 4 that can entirely be covered on contact surface 6, and
It plays a protective role to the aerogel particle 3 in groove 2.
Embodiment two:
A kind of composite construction of aeroge and PET base material, with embodiment one the difference is that, referring to shown in Fig. 2, in order to keep away
Exempt from aerogel particle 3 to fall from side, the edge of protective layer 4 is outward extended with coated side 7, coated side 7 is surrounded on base material film 1
Side wall and be adhered to the bottom surface that base material film 1 deviates from 2 side of groove, it is good so as to be played to internal aerogel particle 3
Protecting effect is coated, then can effectively reduce falling for aerogel particle 3.
Embodiment three:
A kind of composite construction of aeroge and PET base material, with embodiment one the difference is that, referring to shown in Fig. 3, by groove
2 section be arranged to it is trapezoidal, and make the trapezoid cross section upper hem width degree be less than its base width, so as to make built in groove 2
Some aerogel particles 3 are more stable.
Example IV:
A kind of composite construction of aeroge and PET base material, with embodiment one the difference is that, it is multiple recessed referring to shown in Fig. 4
Hexagonal array or Square array or random alignment is presented on 1 surface of base material film in slot 2, the section of each groove 2 in up-side down triangle or
Trapezoidal or rectangle or semicircle.
Embodiment five:
A kind of composite construction of aeroge and PET base material, with embodiment one the difference is that, in the outer of aerogel particle 3
Wall is coated with glue-line (not indicating in figure), is close to adjacent 3 phase of aerogel particle using glue-line, to make aerogel particle
3 can be steadily placed in groove 2, and be mutually bonded aerogel particle 3.Glue-line described in glue-line is high molecular material, described
High molecular material is polymerized by soft monomer and hard monomer, and the soft monomer is butyl acrylate, ethyl acrylate and acrylic acid
At least one of different monooctyl ester, the hard monomer are at least one in styrene, acrylonitrile, acrylamide and methyl acrylate
Kind.
Embodiment six:
A kind of composite construction of aeroge and PET base material, including aerogel layer, PET base material film 1 and protective layer 4.
Aerogel layer is silica aerogel particles 3, and is coated with glue-line, glue in silica aerogel particles 3
Layer is high molecular material, and high molecular material is obtained by soft monomer butyl acrylate and hard monomer styrene polymerization, the composite construction
Preparation technique the following steps are included:
Step A: by mass fraction be 5 parts deionized water, the butyl acrylate that mass fraction is 58 parts, mass fraction be 46 parts
Styrene, the dodecyl sodium sulfate that mass fraction is 3 parts be 80 parts as emulsifier and mass fraction silica gas
Gel particle is added in reaction kettle and stirs evenly, and control mixing speed stirs 15min in 500rpm/min；
Step B: increasing the temperature of reaction kettle to 80 DEG C, and 30% potassium peroxydisulfate that mass fraction is 0.5 part is slowly added dropwise and is used as and causes
Agent, control initiator potassium persulfate drip in 30min, will be in reaction kettle using the method for filtering after the reaction was continued 2h
Solid is placed in drying in 80 DEG C of baking oven and obtains the silica gas of appearance coated high molecular material by solid and liquid separation
Gel particle microballoon；
Step C: the silica aerogel particles microballoon of appearance coated high molecular material is coated on by table using print roll coating method
Face is uniformly provided with the PET base material film 1 of rectangular recess, and the temperature for controlling coating is 65 DEG C, and the speed control of coating is in 6m/min, certainly
So after drying, the silica aerogel particles microballoon coating of appearance coated high molecular material is formed on PET base material film 1, most
A protective layer 4 is covered on the surface of the silica aerogel particles microballoon coating of appearance coated high molecular material afterwards, is protected
Layer 4 selects one side glue.
Room temperature thermal coefficient, bend resistance, anti-friction are carried out to the composite construction of obtained aerogel layer and PET base material film 1
The detection of wiping property, the thermal coefficient of composite construction are 0.024 Wm-1·K-1, 90 DEG C of products obtained therefrom bending, composite construction is intact simultaneously
Without depredation, negative pressure 400N/m21000 inferior qualities that rub loss 0.43%.
Embodiment seven:
A kind of composite construction of aeroge and PET base material, including aerogel layer, PET base material film 1 and protective layer 4.
Aerogel layer is silica aerogel particles 3, and is coated with glue-line, glue in silica aerogel particles 3
Layer is high molecular material, and high molecular material is obtained by soft monomer butyl acrylate and hard monomer styrene polymerization, the composite construction
Preparation technique the following steps are included:
Step A: by mass fraction be 4 parts deionized water, the butyl acrylate that mass fraction is 40 parts, mass fraction be 52 parts
Styrene, the emulsifier that mass fraction is 2.5 parts and mass fraction be 90 parts SiO2Aeroge is added in reaction kettle and stirs
It mixes uniformly, control mixing speed stirs 20min in 600rpm/min；
Step B: increasing the temperature of reaction kettle to 75 DEG C, and 30% ammonium persulfate and azo two that mass fraction is 0.4 part is slowly added dropwise
Isobutyl mixture of nitriles controls initiator and drips in 60min as initiator, after the reaction was continued 2.5h, using the side of filtering
Method by reaction kettle solid and liquid separate, solid is placed in in 60 DEG C of baking oven drying and obtains appearance coated high molecular material
The silica aerogel particles microballoon of material；
Step C: the silica aerogel particles microballoon of appearance coated high molecular material is coated on by table using print roll coating method
Face is uniformly provided with the PET base material film 1 of rectangular recess, and the temperature for controlling coating is 70 DEG C, and the speed control of coating is in 5m/min, certainly
So after drying, the silica aerogel particles microballoon coating of appearance coated high molecular material is formed on PET base material film 1, most
A protective layer 4 is covered on the surface of the silica aerogel particles microballoon coating of appearance coated high molecular material afterwards, is protected
Layer 4 selects one side glue.
Room temperature thermal coefficient, bend resistance, the inspection of anti-friction property are carried out to the composite construction of obtained aeroge and PET base material
It surveys, the thermal coefficient of composite construction is 0.021 Wm-1·K-1, 90 DEG C of products obtained therefrom bending, composite construction is intact to have no destruction
Trace, negative pressure 400N/m21000 inferior qualities that rub loss 0.41%.
Embodiment eight:
A kind of composite construction of aeroge and PET base material, including aerogel layer, PET base material film 1 and protective layer 4.
Aeroge is silica aerogel particles 3, and is coated with glue-line, glue-line in silica aerogel particles 3
For high molecular material, high molecular material is obtained by soft monomer ethyl acrylate, hard monomer styrene and methyl methacrylate polymerization
Arrive, the preparation process of the composite construction the following steps are included:
Step A: by mass fraction be 6 parts deionized water, the ethyl acrylate that mass fraction is 65 parts, mass fraction be 60 parts
Styrene, the methyl methacrylate that mass fraction is 10 parts, the emulsifier that mass fraction is 4 parts and mass fraction be 95 parts
Silica aerogel particles be added in reaction kettle and stir evenly, control mixing speed is in 600rpm/min, stirring
25min；
Step B: increasing the temperature of reaction kettle to 65 DEG C, and 30% potassium peroxydisulfate and azo two that mass fraction is 0.6 part is slowly added dropwise
Isobutyl mixture of nitriles controls initiator and drips in 45min as initiator, after the reaction was continued 2.5h, using the side of filtering
Method by reaction kettle solid and liquid separate, solid is placed in in 75 DEG C of baking oven drying and obtains appearance coated high molecular material
The silica aerogel particles microballoon of material；
Step C: the silica aerogel particles microballoon of appearance coated high molecular material is coated on by table using print roll coating method
Face is uniformly provided with the PET base material film 1 of rectangular recess, and the temperature for controlling coating is 90 DEG C, and the speed control of coating is in 7m/min, certainly
So after drying, the silica aerogel particles microballoon coating of appearance coated high molecular material is formed on PET base material film 1, most
A protective layer 4 is covered on the surface of the silica aerogel particles microballoon coating of appearance coated high molecular material afterwards, is protected
Layer 4 selects one side glue.
Room temperature thermal coefficient, bend resistance, the inspection of anti-friction property are carried out to the composite construction of obtained aeroge and PET base material
It surveys, the thermal coefficient of composite construction is 0.020 Wm-1·K-1, 90 DEG C of products obtained therefrom bending, composite construction is intact to have no destruction
Trace, negative pressure 400N/m21000 inferior qualities that rub loss 0.37%.
Embodiment nine:
A kind of composite construction of aeroge and PET base material, including aerogel layer, PET base material film 1 and protective layer 4.
Aerogel layer is silica aerogel particles 3, and is coated with glue-line, glue in silica aerogel particles 3
Layer is high molecular material, and high molecular material is by soft monomer butyl acrylate and ethyl acrylate, hard monomer styrene and methyl-prop
E pioic acid methyl ester polymerize to obtain, the preparation process of the composite construction the following steps are included:
Step A: by mass fraction be 5.5 parts deionized water, the ethyl acrylate that mass fraction is 25 parts, mass fraction 25
Butyl acrylate, the styrene that mass fraction is 40 parts, the methyl methacrylate that mass fraction is 20 parts, mass fraction of part
The silica aerogel particles for being 100 parts for 4.5 parts of emulsifiers and mass fraction are added in reaction kettle and stir evenly, and control
Mixing speed processed stirs 30min in 600rpm/min；
Step B: increasing the temperature of reaction kettle to 70 DEG C, and 30% potassium peroxydisulfate that mass fraction is 0.45 part is slowly added dropwise and is used as and draws
Send out agent, control initiator drips in 50min, after the reaction was continued 3h, using filtering method by reaction kettle solid and
Solid is placed in drying in 70 DEG C of baking oven and obtains the aerosil of appearance coated high molecular material by liquid separation
Grain microballoon；
Step C: the silica aerogel particles microballoon of appearance coated high molecular material is coated on by table using print roll coating method
Face is uniformly provided with the PET base material film 1 of rectangular recess, and the temperature for controlling coating is 80 DEG C, and the speed control of coating is in 8m/min, certainly
So after drying, the silica aerogel particles microballoon coating of appearance coated high molecular material is formed on PET base material film 1, most
One layer of one side glue is covered on the surface of the silica aerogel particles microballoon coating of appearance coated high molecular material afterwards.
Room temperature thermal coefficient, bend resistance, the inspection of anti-friction property are carried out to the composite construction of obtained aeroge and PET base material
It surveys, the thermal coefficient of composite construction is 0.018 Wm-1·K-1, 90 DEG C of products obtained therefrom bending, composite construction is intact to have no destruction
Trace, negative pressure 400N/m21000 inferior qualities that rub loss 0.39%.
Embodiment ten:
A kind of composite construction of aeroge and PET base material, including aerogel layer, PET base material film 1 and protective layer 4.
Aerogel layer is silica aerogel particles 3, and is coated with glue-line, glue in silica aerogel particles 3
Layer is high molecular material, and high molecular material is obtained by soft monomer butyl acrylate and hard monomer styrene polymerization, the composite construction
Preparation process the following steps are included:
Step A: by mass fraction be 4.5 parts deionized water, the ethyl acrylate that mass fraction is 45 parts, mass fraction 60
The silica aerogel particles that styrene, the emulsifier that mass fraction is 3.5 parts and mass fraction of part are 85 parts are added to
It is stirred evenly in reaction kettle, control mixing speed stirs 30min in 600rpm/min；
Step B: increasing the temperature of reaction kettle to 85 DEG C, and 30% potassium peroxydisulfate that mass fraction is 0.45 part is slowly added dropwise and is used as and draws
Send out agent, control initiator drips in 40min, after the reaction was continued 3h, using filtering method by reaction kettle solid and
Solid is placed in drying in 65 DEG C of baking oven and obtains the aerosil of appearance coated high molecular material by liquid separation
Grain microballoon；
Step C: the silica aerogel particles microballoon of appearance coated high molecular material is coated on by table using print roll coating method
Face is uniformly provided with the PET base material film 1 of saw-tooth grooves, and the temperature for controlling coating is 85 DEG C, the speed control of coating in 4m/min,
After natural drying, the silica aerogel particles microballoon coating of appearance coated high molecular material is formed on PET base material film 1,
A protective layer finally is covered on the surface of the silica aerogel particles microballoon coating of appearance coated high molecular material, is protected
Layer choosing one side glue；
Room temperature thermal coefficient, bend resistance, anti-friction property is carried out to the composite construction of obtained aeroge and PET base material film to examine
It surveys, the thermal coefficient of composite construction is 0.022 Wm-1·K-1, 90 DEG C of products obtained therefrom bending, composite construction is intact to have no destruction
Trace, negative pressure 400N/m21000 inferior qualities that rub loss 0.42%.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. the composite construction of a kind of aeroge and PET base material, it is characterised in that: including base material film (1), base material film (1) table
Face offers multiple grooves (2) to lower recess, is filled with aerogel particle (3) in the groove (2).
2. the composite construction of a kind of aeroge and PET base material according to claim 1, it is characterised in that: each described recessed
Slot (2) is parallel to each other and groove (2) section is in up-side down triangle or trapezoidal or rectangle or semicircle.
3. the composite construction of a kind of aeroge and PET base material according to claim 1, it is characterized in that: each groove
(2) Hexagonal array or Square array or random alignment is presented on base material film (1) surface, and the shape of groove (2) recess is golden word
Tower-shaped or trapezoidal or cuboid or semicircle.
4. the composite construction of a kind of aeroge and PET base material according to claim 1, it is characterized in that: the base material film (1)
The side surface for opening up groove (2) is bonded with protective layer (4).
5. the composite construction of a kind of aeroge and PET base material according to claim 1, it is characterized in that: the aeroge
Grain (3) is silica aerogel particles.
6. the composite construction of a kind of aeroge and PET base material according to claim 1, it is characterized in that: the aeroge
Grain (3) is coated with glue-line outside.
7. the composite construction of a kind of aeroge and PET base material according to claim 6, it is characterised in that: the glue-line is
High molecular material, the high molecular material are polymerized by soft monomer and hard monomer, and the soft monomer is butyl acrylate, propylene
At least one of acetoacetic ester and Isooctyl acrylate monomer, the hard monomer are styrene, acrylonitrile, acrylamide and acrylic acid first
At least one of ester.
8. the preparation process of a kind of aeroge and the composite construction of PET base material, it is characterised in that: the following steps are included:
Step A: deionized water, emulsifier, acrylate, styrene and silica aerogel particles are first added to reaction kettle
In stir evenly, control mixing speed stirs 15min~30min in 500~600rpm/min；
Step B: increasing the temperature of reaction kettle to 65~85 DEG C, and initiator is slowly added dropwise, and control initiator drips in 30~60min
Add, after the reaction was continued 2h~3h, using filtering method by reaction kettle solid and liquid separate, solid is dried to obtain outer
The silica aerogel particles microballoon of table coated high molecular material；
Step C: the silica aerogel particles microballoon of appearance coated high molecular material is coated on the recessed of base material film (1) surface
On slot (2), after dry, the silica aerogel particles microballoon that appearance coated high molecular material is formed on base material film (1) is applied
Layer, finally covers protective layer (4) on the surface of the silica aerogel particles microballoon of appearance coated high molecular material.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023098305A1 (en) * | 2021-11-30 | 2023-06-08 | 宁德时代新能源科技股份有限公司 | Composite film and preparation method therefor, secondary battery, battery module, battery pack, and electric device |
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