CN110588121A - Self-healing heat-insulation heat-preservation polyester film and preparation method thereof - Google Patents
Self-healing heat-insulation heat-preservation polyester film and preparation method thereof Download PDFInfo
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- CN110588121A CN110588121A CN201910996935.2A CN201910996935A CN110588121A CN 110588121 A CN110588121 A CN 110588121A CN 201910996935 A CN201910996935 A CN 201910996935A CN 110588121 A CN110588121 A CN 110588121A
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- 229920006267 polyester film Polymers 0.000 title claims abstract description 41
- 238000004321 preservation Methods 0.000 title claims abstract description 33
- 238000009413 insulation Methods 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims description 15
- 239000010410 layer Substances 0.000 claims abstract description 93
- 239000011247 coating layer Substances 0.000 claims abstract description 12
- 239000012790 adhesive layer Substances 0.000 claims abstract description 8
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 8
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 38
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 38
- 239000002245 particle Substances 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 17
- 229920005610 lignin Polymers 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- 239000012792 core layer Substances 0.000 claims description 10
- 229910052681 coesite Inorganic materials 0.000 claims description 9
- 229910052906 cristobalite Inorganic materials 0.000 claims description 9
- 238000001125 extrusion Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 9
- 229910052682 stishovite Inorganic materials 0.000 claims description 9
- 229910052905 tridymite Inorganic materials 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 239000002585 base Substances 0.000 claims description 6
- 239000002981 blocking agent Substances 0.000 claims description 6
- 239000011246 composite particle Substances 0.000 claims description 6
- 239000000839 emulsion Substances 0.000 claims description 6
- 239000003094 microcapsule Substances 0.000 claims description 6
- -1 polyethylene terephthalate Polymers 0.000 claims description 6
- 229920000728 polyester Polymers 0.000 claims description 5
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000004831 Hot glue Substances 0.000 claims description 3
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 3
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000005042 ethylene-ethyl acrylate Substances 0.000 claims description 3
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002105 nanoparticle Substances 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 230000026731 phosphorylation Effects 0.000 claims description 3
- 238000006366 phosphorylation reaction Methods 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229920006389 polyphenyl polymer Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- 239000012498 ultrapure water Substances 0.000 claims description 3
- ONGGURNBDHMMTE-UHFFFAOYSA-N ClCC(C[Na])O Chemical compound ClCC(C[Na])O ONGGURNBDHMMTE-UHFFFAOYSA-N 0.000 claims 1
- 229910000162 sodium phosphate Inorganic materials 0.000 claims 1
- 239000001488 sodium phosphate Substances 0.000 claims 1
- PJCAIMKIROZCJE-UHFFFAOYSA-N P(=O)(O)(O)O.ClCC(C[Na])O Chemical compound P(=O)(O)(O)O.ClCC(C[Na])O PJCAIMKIROZCJE-UHFFFAOYSA-N 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 230000002035 prolonged effect Effects 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
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0008—Electrical discharge treatment, e.g. corona, plasma treatment; wave energy or particle radiation
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/762—Self-repairing, self-healing
-
- 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
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model provides a pair of self-healing heat-insulating heat preservation polyester film, including self-healing coating layer, PET basement membrane layer, adhesive layer, first heat-insulating heat preservation, sandwich layer and the heat-insulating heat preservation of second that from top to bottom set gradually, wherein, the thickness of self-healing coating layer is 1 mu m to 10 mu m, the thickness of PET basement membrane layer is 12 mu m to 25 mu m, the thickness of sandwich layer is 10 mu m to 20 mu m, first heat-insulating heat preservation, the heat-insulating heat preservation of second in this scheme for self-healing heat-insulating heat preservation polyester film has thermal-insulated heat preservation ability, thereby has optimized self-healing heat-insulating heat preservation polyester film's performance greatly. In addition, the self-healing heat-insulation polyester film has self-healing capacity due to the arrangement of the self-healing coating layer, and the application range of the self-healing heat-insulation polyester film is widened.
Description
Technical Field
The disclosure relates to the field of films, in particular to a self-healing heat-insulation heat-preservation polyester film and a preparation method thereof.
Background
With the development of economy, the performance requirements of films in the fields of automobile films, food packaging films, electronic optical display films and the like are higher and higher, but the films have a common defect: the film is easy to scratch and damage, the overall aesthetic property and visibility of the film are greatly damaged by the tiny scratches, the damage repairing cost is high and is more complicated, and the further expansion and application of the film are seriously hindered.
The film in the prior art does not have self-healing capability, and the application field of the film is seriously limited.
Disclosure of Invention
Aiming at the technical problem that the film in the prior art does not have self-healing capability, the disclosure provides a self-healing heat-insulation heat-preservation polyester film which has self-healing capability and widens the application range of the film.
In a first aspect, a self-healing heat-insulating heat preservation polyester film, includes self-healing coating layer, PET basement membrane layer, adhesive layer, the first heat-insulating heat preservation layer, sandwich layer and the second heat-insulating heat preservation layer that from top to bottom sets gradually, wherein, the thickness of self-healing coating layer is 1 mu m to 10 mu m, the thickness of PET basement membrane layer is 12 mu m to 25 mu m, the thickness of sandwich layer is 10 mu m to 20 mu m.
The utility model provides a pair of self-healing heat-insulating heat preservation polyester film, including self-healing coating layer, PET basement membrane layer, adhesive layer, first heat-insulating heat preservation, sandwich layer and the heat-insulating heat preservation of second that from top to bottom set gradually, wherein, the thickness of self-healing coating layer is 1 mu m to 10 mu m, the thickness of PET basement membrane layer is 12 mu m to 25 mu m, the thickness of sandwich layer is 10 mu m to 20 mu m, first heat-insulating heat preservation, the heat-insulating heat preservation of second in this scheme for self-healing heat-insulating heat preservation polyester film has thermal-insulated heat preservation ability, thereby has optimized self-healing heat-insulating heat preservation polyester film's performance greatly. In addition, the self-healing heat-insulation polyester film has self-healing capacity due to the arrangement of the self-healing coating layer, and the application range of the self-healing heat-insulation polyester film is widened.
Preferably, the PET-based film layer comprises 70% by weight of optical grade PET raw material particles and 30% by weight of PET polyester chips.
The scheme ensures that the self-healing heat-insulation heat-preservation polyester film has good performance.
Preferably, the cementing layer is one or more of EVA hot melt adhesive, polyurethane, polyamide and EEA.
The cementing layer has good cementing property, improves the stability of the self-healing heat-insulation polyester film and prolongs the service life of the self-healing heat-insulation polyester film.
Preferably, the first heat-insulating layer and the second heat-insulating layer are ultraviolet and infrared absorption or barrier layers.
The first heat-insulating layer and the second heat-insulating layer have ultraviolet resistance, infrared resistance or barrier capacity, and the performance of the first heat-insulating layer and the performance of the second heat-insulating layer are optimized.
Preferably, the first heat-insulating layer and the second heat-insulating layer both comprise 10 to 55 weight percent of ultraviolet and infrared absorption or barrier master batches and 45 to 90 weight percent of optical-grade PET raw material particles.
The first heat-insulating layer and the second heat-insulating layer have good performance.
Preferably, the total thickness of the first heat-insulating layer and the second heat-insulating layer is 5-10 μm.
The first heat-insulating layer and the second heat-insulating layer are reasonable in thickness, so that the self-healing heat-insulating polyester film has good flexibility.
Preferably, the core layer comprises 65 to 100 weight percent of optical grade PET raw material particles, 0 to 30 weight percent of PET return material particles and 0 to 3 weight percent of color master particles.
The core layer has good performance, and the performance of the self-healing heat-insulation heat-preservation polyester film is optimized.
In a second aspect, a preparation method of a self-healing heat-insulating polyester film comprises the following steps:
preparing a film main body: the film main body is prepared by adopting a co-extrusion stretching process and sequentially comprises a PET (polyethylene terephthalate) base film layer, an adhesive layer, a first heat-insulation layer, a core layer and a second heat-insulation layer from top to bottom.
Performing double-sided corona on the prepared film main body, wherein the power of the double-sided corona is 4 KW;
forming a self-healing layer on the film main body by using the self-healing liquid in an online coating mode after the film main body is subjected to double-sided corona, wherein the coating speed is 120m/min, and the coating amount per unit area is 0.5g/m2；
And transversely stretching the film main body coated with the self-healing layer to obtain the self-healing heat-insulating heat-preserving polyester film.
According to the preparation method of the self-healing heat-insulation heat-preservation polyester film, the self-healing layer has good performance by reasonably controlling the coating parameters of the self-healing liquid, the performance of the self-healing heat-insulation heat-preservation polyester film is greatly optimized, and the service life of the self-healing heat-insulation heat-preservation polyester film is prolonged.
Preferably, the preparation method of the self-healing liquid comprises the following steps:
mixing 5.0g of Na2HPO4·12H2Dissolving O in 100mL of distilled water, adding 10.0g of epichlorohydrin into a 200mL round-bottom flask, reacting for about 50min in a water bath at 90 ℃ to obtain 3-chloro-2-hydroxypropyl phosphoric acidSodium, adjusting pH to 7, adding alkali lignin solution, reacting for 2 hr to obtain initial product of phosphorylated alkali lignin, and adding nanometer SiO2Ultrasonic predispersing in ethanol/water mixed system, adding alkali-lignin phosphate, adjusting pH to 7 with dilute sulfuric acid to obtain PAL/SiO2Composite particles of phosphorylated lignin and SiO2The mass ratio of the components is 1.3: 1, and the phosphorylation modified lignin/silicon dioxide composite nano-particles are obtained for later use;
3mL of isophorone diisocyanate and 1mL of polyphenyl polymethylene isocyanate are mixed uniformly and then added into PAL/SiO dissolved in 6mL of ultrapure water2And (3) obtaining emulsion in the composite particles under the action of a high-speed shearing dispersion machine, obtaining microcapsules with self-healing capacity in the standing process of the emulsion, and mixing the prepared microcapsules with epoxy resin to obtain the self-healing liquid.
The self-healing liquid has good performance, so that the performance of the self-healing layer is optimized, and the self-healing layer is easy to coat.
Preferably, the preparation method of the first heat-insulating layer and the second heat-insulating layer comprises the following steps:
respectively mixing 96-98% of PET bright particles, an ultraviolet blocking agent and an infrared blocking agent in percentage by weight: 0.5% to 1.5%: adding 0.1-0.5% of the raw materials into a mixer, mixing at a rotating speed of 500-600 r/min for 5-10 min, then adjusting the rotating speed to 2000-25000 r/min for 3-8 min, then mixing at a rotating speed of 500-600 r/min for 5-10 min, putting the mixed raw materials into a double-screw extruder for extrusion to prepare ultraviolet and infrared absorption or barrier master batches, wherein the temperature of each section in the extrusion process is as follows: 230 ℃, 277 ℃, 291 ℃,294 ℃, 289 ℃, 285 ℃, 284 ℃ and 285 ℃.
The first heat-insulating layer and the second heat-insulating layer have good performance, and the performance of the self-healing heat-insulating polyester film is greatly optimized.
Drawings
The following drawings are merely exemplary, not all drawings of the disclosed embodiments, and other drawings may be obtained by those skilled in the art in light of the disclosed embodiments.
Fig. 1 is a schematic diagram of an embodiment of the present disclosure.
Detailed Description
The present disclosure is further described below with reference to the accompanying drawings, and the following embodiments are merely exemplary and are not all embodiments of the technical solutions of the present disclosure.
According to the figure 1, in the first aspect, a self-healing heat insulation polyester film comprises a self-healing coating layer 1, a PET base film layer 2, an adhesive layer 3, a first heat insulation layer 4, a core layer 5 and a second heat insulation layer 6 which are sequentially arranged from top to bottom, wherein the thickness of the self-healing coating layer is 1 μm to 10 μm, the thickness of the PET base film layer 2 is 12 μm to 25 μm, and the thickness of the core layer 5 is 10 μm to 20 μm.
The thicker the thickness of the self-healing layer in the scheme is, the better the self-healing capacity is, and the shorter the corresponding self-healing time is, but the too thick thickness of the self-healing layer can influence the overall performance of the self-healing heat-insulation and heat-preservation polyester film, so that the thickness of the self-healing layer can be reasonably selected in the interval so as to ensure that the self-healing heat-insulation and heat-preservation polyester film has good performance.
In some possible embodiments, the PET-based film layer 2 includes 70% by weight of optical grade PET raw material particles and 30% by weight of PET polyester chips.
The proportion of the optical grade PET raw material particles and the PET polyester chips can be other proportions, and is not particularly limited herein, and can be reasonably selected by a person skilled in the art according to needs. Illustratively, the weight parts of the optical grade PET raw material particles can be 60%, 65%, 68%, 69%, etc., and correspondingly, the weight parts of the PET polyester chips should be reasonably adjusted.
In some possible embodiments, the glue layer is one or more of EVA hot melt adhesive, polyurethane, polyamide, EEA.
The concrete components of the cementing layer are not limited, and can be reasonably selected by the technical personnel in the field according to the needs.
In some possible embodiments, the first and second layers of thermal insulation 4, 6 are both ultraviolet, infrared absorbing or blocking layers.
The first heat-insulating layer 4 and the second heat-insulating layer 6 both comprise 10-55 wt% of ultraviolet and infrared absorbing or blocking master batches and 45-90 wt% of optical-grade PET raw material particles.
The total thickness of the first heat-insulating layer 4 and the second heat-insulating layer 6 is 5-10 μm.
The first heat-insulating layer 4 and the second heat-insulating layer 6 have good performance. The thickness and the specific material ratio are not limited, and can be reasonably selected by the skilled in the art according to the needs.
In some possible embodiments, the core layer 5 includes 65% to 100% by weight of optical grade PET raw material particles, 0% to 30% by weight of PET regrind particles, and 0% to 3% by weight of color master particles.
The specific composition of the core layer 5 is not limited, and can be appropriately selected by those skilled in the art as needed.
In a second aspect, a preparation method of a self-healing heat-insulating polyester film comprises the following steps:
preparing a film main body: the film main body is prepared by adopting a co-extrusion stretching process and sequentially comprises a PET base film layer 2, an adhesive layer 3, a first heat insulation layer 4, a core layer 5 and a second heat insulation layer 6 from top to bottom.
Performing double-sided corona on the prepared film main body, wherein the power of the double-sided corona is 4 KW;
forming a self-healing layer on the film main body by using the self-healing liquid in an online coating mode after the film main body is subjected to double-sided corona, wherein the coating speed is 120m/min, and the coating amount per unit area is 0.5g/m2；
And transversely stretching the film main body coated with the self-healing layer to obtain the self-healing heat-insulating heat-preserving polyester film.
In the scheme, the coating parameters of the self-healing layer are set according to the parameters, and the parameters of the double-sided corona can be reasonably adjusted according to needs in the actual processing process, so that the parameters are not limited in detail.
In some possible embodiments, the method of preparing the self-healing liquid comprises:
mixing 5.0g of Na2HPO4·12H2Dissolving O in 100mL of distilled water, adding 10.0g of epichlorohydrin into a 200mL round-bottom flask, reacting for about 50min in a water bath at 90 ℃ to obtain 3-chloro-2-hydroxypropyl sodium phosphate, adjusting pH to 7, adding an alkali lignin solution, continuing to react for about 2 hours to obtain an initial product of phosphorylated alkali lignin, and reacting the initial product of phosphorylated alkali lignin with nano SiO2Ultrasonic predispersing in ethanol/water mixed system, adding alkali-lignin phosphate, adjusting pH to 7 with dilute sulfuric acid to obtain PAL/SiO2Composite particles of phosphorylated lignin and SiO2The mass ratio of the components is 1.3: 1, and the phosphorylation modified lignin/silicon dioxide composite nano-particles are obtained for later use;
3mL of isophorone diisocyanate and 1mL of polyphenyl polymethylene isocyanate are mixed uniformly and then added into PAL/SiO dissolved in 6mL of ultrapure water2And (3) obtaining emulsion in the composite particles under the action of a high-speed shearing dispersion machine, obtaining microcapsules with self-healing capacity in the standing process of the emulsion, and mixing the prepared microcapsules with epoxy resin to obtain the self-healing liquid.
In some possible embodiments, the preparation method of the first and second heat-insulating layers 4 and 6 comprises:
respectively mixing 96-98% of PET bright particles, an ultraviolet blocking agent and an infrared blocking agent in percentage by weight: 0.5% to 1.5%: adding 0.1-0.5% of the raw materials into a mixer, mixing at a rotating speed of 500-600 r/min for 5-10 min, then adjusting the rotating speed to 2000-25000 r/min for 3-8 min, then mixing at a rotating speed of 500-600 r/min for 5-10 min, putting the mixed raw materials into a double-screw extruder for extrusion to prepare ultraviolet and infrared absorption or barrier master batches, wherein the temperature of each section in the extrusion process is as follows: 230 ℃, 277 ℃, 291 ℃,294 ℃, 289 ℃, 285 ℃, 284 ℃ and 285 ℃.
The preparation method of the self-healing liquid and the first and second heat-insulating layers 4 and 6 can be prepared according to the preparation method.
The scheme is mainly characterized in that the self-healing layer is arranged, so that the common polyester film has self-healing capacity, and the self-healing film heat-insulation film is greatly optimized to have good performance. The preparation method of other layers of the self-healing film heat insulation film can refer to the prior art except for the coating control of the self-healing layer.
While several possible embodiments of the disclosure have been described above with reference to the accompanying drawings, it is to be understood that these embodiments are not all embodiments of the disclosure, and that other embodiments may be devised by those skilled in the art without departing from the inventive concept, and that such embodiments are within the scope of the disclosure.
Claims (10)
1. A self-healing heat insulation polyester film is characterized in that: including self-healing coating layer (1), PET basement membrane layer (2), adhesive layer (3), first thermal-insulated heat preservation (4), sandwich layer (5) and the thermal-insulated heat preservation of second (6) that from top to bottom set gradually, wherein, the thickness of self-healing coating layer is 1 mu m to 10 mu m, the thickness of PET basement membrane layer (2) is 12 mu m to 25 mu m, the thickness of sandwich layer (5) is 10 mu m to 20 mu m.
2. A self-healing heat-insulating polyester film according to claim 1, wherein: the PET base film layer (2) comprises 70% by weight of optical grade PET raw material particles and 30% by weight of PET polyester chips.
3. A self-healing heat-insulating polyester film according to claim 1, wherein: the cementing layer is one or more of EVA hot melt adhesive, polyurethane, polyamide and EEA.
4. A self-healing heat-insulating polyester film according to claim 1, wherein: the first heat-insulating layer (4) and the second heat-insulating layer (6) are ultraviolet and infrared absorption or barrier layers.
5. A self-healing heat-insulating polyester film according to claim 1, wherein: the first heat-insulating layer (4) and the second heat-insulating layer (6) both comprise 10-55 wt% of ultraviolet and infrared absorption or blocking master batches and 45-90 wt% of optical-grade PET raw material particles.
6. A self-healing heat-insulating polyester film according to claim 5, wherein: the total thickness of the first heat-insulating layer (4) and the second heat-insulating layer (6) is 5-10 mu m.
7. A self-healing heat-insulating polyester film according to claim 1, wherein: the core layer (5) comprises 65 to 100 weight percent of optical grade PET raw material particles, 0 to 30 weight percent of PET return material particles and 0 to 3 weight percent of color master particles.
8. A preparation method of a self-healing heat-insulation heat-preservation polyester film is characterized by comprising the following steps:
preparing a film main body: the film main body is prepared by adopting a co-extrusion stretching process and sequentially comprises a PET (polyethylene terephthalate) base film layer (2), an adhesive layer (3), a first heat-insulation layer (4), a core layer (5) and a second heat-insulation layer (6) from top to bottom.
Performing double-sided corona on the prepared film main body, wherein the power of the double-sided corona is 4 KW;
forming a self-healing layer on the film main body by using the self-healing liquid in an online coating mode after the film main body is subjected to double-sided corona, wherein the coating speed is 120m/min, and the coating amount per unit area is 0.5g/m2；
And transversely stretching the film main body coated with the self-healing layer to obtain the self-healing heat-insulating heat-preserving polyester film.
9. The method of claim 8, wherein: the preparation method of the self-healing liquid comprises the following steps:
mixing 5.0g of Na2HPO4·12H2Dissolving O in 100mL of distilled water, adding 10.0g of epichlorohydrin into a 200mL round-bottom flask, reacting for about 50min in a water bath at 90 ℃ to obtain 3-chloro-2-hydroxypropyl sodium phosphate,adjusting pH to 7, adding alkali lignin solution, reacting for 2 hr to obtain initial product of phosphorylated alkali lignin, and adding nanometer SiO2Ultrasonic predispersing in ethanol/water mixed system, adding alkali-lignin phosphate, adjusting pH to 7 with dilute sulfuric acid to obtain PAL/SiO2Composite particles of phosphorylated lignin and SiO2The mass ratio of the components is 1.3: 1, and the phosphorylation modified lignin/silicon dioxide composite nano-particles are obtained for later use;
3mL of isophorone diisocyanate and 1mL of polyphenyl polymethylene isocyanate are mixed uniformly and then added into PAL/SiO dissolved in 6mL of ultrapure water2And (3) obtaining emulsion in the composite particles under the action of a high-speed shearing dispersion machine, obtaining microcapsules with self-healing capacity in the standing process of the emulsion, and mixing the prepared microcapsules with epoxy resin to obtain the self-healing liquid.
10. The method of claim 8, wherein: the preparation method of the first heat-insulating layer (4) and the second heat-insulating layer (6) comprises the following steps:
respectively mixing 96-98% of PET bright particles, an ultraviolet blocking agent and an infrared blocking agent in percentage by weight: 0.5% to 1.5%: adding 0.1-0.5% of the raw materials into a mixer, mixing at a rotating speed of 500-600 r/min for 5-10 min, then adjusting the rotating speed to 2000-25000 r/min for 3-8 min, then mixing at a rotating speed of 500-600 r/min for 5-10 min, putting the mixed raw materials into a double-screw extruder for extrusion to prepare ultraviolet and infrared absorption or barrier master batches, wherein the temperature of each section in the extrusion process is as follows: 230 ℃, 277 ℃, 291 ℃,294 ℃, 289 ℃, 285 ℃, 284 ℃ and 285 ℃.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452439A (en) * | 2020-04-06 | 2020-07-28 | 杭州和顺科技股份有限公司 | Multifunctional stimulation-responsive polyester film and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150088943A (en) * | 2014-01-24 | 2015-08-04 | 주식회사 효성 | Ir/uv-shielding polyester film, and method of manufacturing the same |
| CN106956486A (en) * | 2017-03-07 | 2017-07-18 | 苏州今蓝纳米科技有限公司 | Thermal isolation film with high ultraviolet-resistant performance and preparation method thereof |
| CN108045041A (en) * | 2017-09-14 | 2018-05-18 | 杭州和顺科技股份有限公司 | A kind of fenestrated membrane heat-insulated polyester film and preparation method thereof |
| CN207842238U (en) * | 2017-08-31 | 2018-09-11 | 康得新光学膜材料（上海）有限公司 | A kind of automobile finish insulation protection film |
| CN211280088U (en) * | 2019-10-19 | 2020-08-18 | 浙江和顺新材料有限公司 | Self-healing heat-insulation heat-preservation polyester film |
-
2019
- 2019-10-19 CN CN201910996935.2A patent/CN110588121A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150088943A (en) * | 2014-01-24 | 2015-08-04 | 주식회사 효성 | Ir/uv-shielding polyester film, and method of manufacturing the same |
| CN106956486A (en) * | 2017-03-07 | 2017-07-18 | 苏州今蓝纳米科技有限公司 | Thermal isolation film with high ultraviolet-resistant performance and preparation method thereof |
| CN207842238U (en) * | 2017-08-31 | 2018-09-11 | 康得新光学膜材料（上海）有限公司 | A kind of automobile finish insulation protection film |
| CN108045041A (en) * | 2017-09-14 | 2018-05-18 | 杭州和顺科技股份有限公司 | A kind of fenestrated membrane heat-insulated polyester film and preparation method thereof |
| CN211280088U (en) * | 2019-10-19 | 2020-08-18 | 浙江和顺新材料有限公司 | Self-healing heat-insulation heat-preservation polyester film |
Non-Patent Citations (1)
| Title |
|---|
| 李岚等: "纳米木质素/二氧化硅基微胶囊的制备及在自愈合涂层中的应用", 《高等学校化学学报》, vol. 40, no. 6, 25 June 2019 (2019-06-25), pages 1293 - 1300 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111452439A (en) * | 2020-04-06 | 2020-07-28 | 杭州和顺科技股份有限公司 | Multifunctional stimulation-responsive polyester film and preparation method thereof |
| CN111452439B (en) * | 2020-04-06 | 2023-10-10 | 杭州和顺科技股份有限公司 | Stimulus-responsive multifunctional polyester film and preparation method thereof |
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