CN217435208U - Thermoplastic light composite board - Google Patents
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- CN217435208U CN217435208U CN202220281479.0U CN202220281479U CN217435208U CN 217435208 U CN217435208 U CN 217435208U CN 202220281479 U CN202220281479 U CN 202220281479U CN 217435208 U CN217435208 U CN 217435208U
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Abstract
The utility model discloses a thermoplastic light composite board, which comprises an upper surface layer, a core plate and a lower surface layer which are sequentially arranged from top to bottom, wherein the upper surface layer, the core plate and the lower surface layer are formed by hot-pressing and compounding, the upper surface layer comprises a first surface layer and a first metal layer which are fixedly bonded, and the first metal layer is positioned between the first surface layer and the core plate; the lower surface layer comprises a second surface layer and a second metal layer which are fixedly bonded, and the second metal layer is positioned between the second surface layer and the core plate; first surface course and second surface course are the one-way band layer or for adopting in the PP membrane, the PE membrane, the PA membrane, the PET membrane, the PC membrane, the PVC membrane, the PVF membrane, the thin layer that one or more were made in AS membrane and the GMMA membrane, this scheme selects the combination of metal and plastics to compound on the core board AS the face skin, still plays reinforcing, decoration and heat retaining effect when lightening weight, for the composite sheet of pure metal wainscot, manufacturing cost has been reduced, avoid the metal level to scrape the flower wearing and tearing, increase the life and the pleasing to the eye degree of composite sheet.
Description
Technical Field
The utility model relates to a composite board field especially relates to a thermoplasticity light composite sheet.
Background
The concept of using relatively thin, strong panels bonded to a thicker, lightweight core material in the field of composite panels has enabled the field to construct strong, lightweight, and highly durable structures. The two common thermoplastic light composite boards in the market at present are provided, one is that glass fiber reinforced thermoplastic materials are bonded on the upper side and the lower side of a light core board, the composite board is strong in toughness, more wear-resistant and durable, but the appearance of the composite board is single, and the composite board is free of metal high-grade and texture; the other method is to bond metal layers on the upper side and the lower side of the light core board, so that the strength of the composite board is increased, but the metal outer layer is easy to scratch and wear, the service life and the attractiveness of the board are influenced, and the metal density is higher and the cost is higher.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a thermoplasticity light composite sheet has the face skin of metal and plastics combination, with the metal setting between plastics and core, play reinforcing, decoration and heat retaining effect, prevent that the metal from being scraped the flower, increase the life and the pleasing to the eye degree of composite sheet, and can reduce the manufacturing cost of composite sheet.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the thermoplastic light composite board comprises an upper surface layer, a core board and a lower surface layer which are sequentially arranged from top to bottom, wherein the upper surface layer, the core board and the lower surface layer are formed by hot-pressing and compounding; the lower surface layer comprises a second surface layer and a second metal layer which are fixedly bonded, and the second metal layer is positioned between the second surface layer and the core plate; the first surface layer and the second surface layer are unidirectional tape layers or film layers made of one or more of PP films, PE films, PA films, PET films, PC films, PVC films, PVF films, AS films and GMMA films; the core is PP base honeycomb core, PA base honeycomb core, XPS foam core, PET foam core, PU foam core or EPP foam core, it is fixed to bond through first thermoplasticity bonding film layer between first metal level and the core, it is fixed to bond through second thermoplasticity bonding film layer between second metal level and the core, first thermoplasticity bonding film layer and second thermoplasticity bonding film layer are polyolefin base thermoplasticity bonding film, the thickness of first thermoplasticity bonding film layer and second thermoplasticity bonding film layer is 0.02-0.3mm, the thickness of core plate is 2-150mm, the thickness of first surface course and second surface course is 0.02-2mm, the thickness of first metal level and second metal level is 20nm-2 mm.
Preferably, the first metal layer and the second metal layer are made of aluminum, copper, iron, stainless steel or titanium alloy.
Preferably, a first adhesive layer is further arranged between the first surface layer and the first metal layer, the first adhesive layer is thermosetting glue or a polyolefin-based thermoplastic adhesive film, a second adhesive layer is further arranged between the second surface layer and the second metal layer, the second adhesive layer is thermosetting glue or a polyolefin-based thermoplastic adhesive film, and the thicknesses of the first adhesive layer and the second adhesive layer are 0.001-0.3 mm.
Preferably, a third surface layer and a third thermoplastic bonding film layer are sequentially arranged between the first thermoplastic bonding film layer and the core plate, the first metal layer is compounded on the upper surface of the third surface layer through the first thermoplastic bonding film layer by hot pressing, and the third surface layer and the upper surface of the core plate are fixedly bonded through the third thermoplastic bonding film layer; still be equipped with fourth surface course and fourth thermoplasticity bonding film layer between second thermoplasticity bonding film and the core in proper order, the second metal level is in through second thermoplasticity bonding film layer hot pressing complex the lower surface of fourth surface course, it is fixed to bond through fourth thermoplasticity bonding film layer between the lower surface of fourth surface course and core.
Preferably, the upper surface layer is an aluminum-plastic film structure formed by pre-compounding a first surface layer and a first metal layer, and the lower surface layer is an aluminum-plastic film structure formed by pre-compounding a second surface layer and a second metal layer.
Preferably, the thickness of the third surface layer and the fourth surface layer is 0.02-2 mm.
Preferably, the third surface layer and the fourth surface layer are unidirectional tape layers or film layers made of one or more of PP films, PE films, PA films, PET films, PC films, PVC films, PVF films, AS films and GMMA films.
Preferably, the unidirectional tapes in the unidirectional tape layers are made by adopting continuous fiber to impregnate thermoplastic resin for composite shaping.
The utility model discloses owing to adopted above technical scheme, following beneficial effect has:
1. the utility model selects the combination of metal and plastic as the surface skin to be compounded on the core plate, thereby reducing the weight of the composite board, playing the roles of strengthening, decorating and heat preservation, and reducing the production cost compared with the composite board with a pure metal surface;
2. the utility model discloses compound plastics in the outside of metal to avoid the metal level to scrape colored wearing and tearing, increase the life and the pleasing to the eye degree of composite sheet.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals:
1. an upper surface layer; 11. a first facing; 12. a first metal layer; 13. a first adhesive layer; 2. a first thermoplastic bonding film layer; 3. a core board; 4. a second thermoplastic bonding film layer; 5. a lower surface layer; 51. a second facing; 52. a second metal layer; 53. a second adhesive layer; 6. a third facing; 7. a fourth surface layer; 8. a third thermoplastic bonding film layer; 9. a fourth thermoplastic bonding film layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In a first embodiment, a thermoplastic lightweight composite board as shown in fig. 1 includes an upper surface layer 1, a core 3, and a lower surface layer 5, which are sequentially arranged from top to bottom, the upper surface layer 1, the core 3, and the lower surface layer 5 are formed by hot-press composite molding, the upper surface layer 1 includes a first surface layer 11 and a first metal layer 12, which are adhesively fixed, and the first metal layer 12 is located between the first surface layer 11 and the core 3; the lower surface layer 5 comprises a second surface layer 51 and a second metal layer 52 which are fixedly bonded, the second metal layer 52 is positioned between the second surface layer 51 and the core plate 3, the first metal layer 12 and the core plate 3 are fixedly bonded through a first thermoplastic bonding film layer 2, the second metal layer 52 and the core plate 3 are fixedly bonded through a second thermoplastic bonding film layer 4, and the first thermoplastic bonding film layer 2 and the second thermoplastic bonding film layer 4 are polyolefin-based thermoplastic bonding films.
Generally, the thickness of the first and second thermoplastic bonding film layers 2 and 4 is 0.02 to 0.3mm, the thickness of the core sheet 3 is 2 to 150mm, the thickness of the first and second face layers 11 and 51 is 0.02 to 2mm, the thickness of the first and second metal layers 12 and 52 is 20nm to 2mm, and the thickness of the first and second adhesive layers 13 and 53 is 0.001 to 0.3 mm.
The utility model discloses in, first surface course 11 and second surface course 51 are unidirectional tape layer or for adopting in PP membrane, PE membrane, PA membrane, PET membrane, PC membrane, PVC membrane, PVF membrane, AS membrane and the GMMA membrane one or more thin layer of making, here unidirectional tape layer in the unidirectional tape layer, with continuous fibers AS reinforcing material through launching and paving, the flooding thermoplastic resin makes at compound design, has characteristics such AS excel in, high tenacity, acid and alkali-resistance, recoverable. The core plate 3 is made of one of a PP-based honeycomb core plate, a PA-based honeycomb core plate, an XPS foam core plate, a PET foam core plate, a PU foam core plate or an EPP foam core plate, and the first metal layer 12 and the second metal layer 52 are made of aluminum, copper, iron, stainless steel or titanium alloy.
In one case, a first adhesive layer 13 is further provided between the first surface layer 11 and the first metal layer 12, the first adhesive layer 13 is a polyolefin-based thermoplastic adhesive film, a second adhesive layer 53 is further arranged between the second surface layer 51 and the second metal layer 52, the second adhesive layer 53 is a polyolefin-based thermoplastic adhesive film, when in processing, the first surface layer 11, the first adhesive layer 13, the first metal layer 12, the first thermoplastic bonding film layer 2, the core plate 3, the second thermoplastic bonding film layer 4, the second metal layer 52, the second adhesive layer 53 and the second surface layer 51 are formed at one time through hot-pressing compounding, and the thermoplastic light composite board is produced by adopting a continuous thermal compounding process, so that the production efficiency can be greatly improved, preferably, the continuous thermal compounding temperature of the light composite board is 120-200 ℃, and the compounding speed is 1-5 m/min.
Certainly, in another case, the first adhesive layer 13 is thermosetting glue, and the second adhesive layer 53 is thermosetting glue, so that in industrial production, the upper surface layer 1 and the lower surface layer 5 need to be compounded in advance, and then the upper surface layer 1, the first thermoplastic adhesive film layer 2, the core plate 3, the second thermoplastic adhesive film layer 4 and the lower surface layer 5 are formed at one time through hot-pressing compounding, so that a continuous hot-compounding process can still be adopted for production, and thus the production efficiency is greatly improved, preferably, the compounding temperature of the continuous hot-compounding of the light composite board is 200-.
The utility model discloses in continuous thermal compound technology of saying indicates through continuous hot pressing equipment for panel can receive continuous temperature and the effect of pressure in continuous transportation process, presses the technology of target thickness size through processes such as hot pressing, cooling. The hot pressing equipment can be a roller press, a steel belt press, or composite equipment such as a PTFE belt press which can realize a continuous hot composite process.
Preferably, the first thermoplastic adhesive film layer 2 and the second thermoplastic adhesive film layer 4 are polyolefin-based thermoplastic adhesive films, and in the present invention, the polyolefin-based thermoplastic adhesive films may be made of pure polyolefin resin or resin mainly composed of polyolefin resin.
In a second embodiment, as shown in fig. 2, a third surface layer 6 and a third thermoplastic adhesive film layer 8 are further sequentially disposed between the first thermoplastic adhesive film layer 2 and the core board 3, the first metal layer 12 is thermally pressed and laminated on the upper surface of the third surface layer 6 through the first thermoplastic adhesive film layer 2, and the third surface layer 6 and the upper surface of the core board 3 are fixedly bonded through the third thermoplastic adhesive film layer 8; still be equipped with fourth surface course 7 and fourth thermoplasticity bonding film layer 9 between second thermoplasticity bonding film 4 and the core 3 in proper order, second metal level 52 is in through second thermoplasticity bonding film layer 4 hot pressing complex the lower surface of fourth surface course 7, it is fixed to bond through fourth thermoplasticity bonding film layer 9 between the lower surface of fourth surface course 7 and core 3. The third thermoplastic bonding film layer 8 and the fourth thermoplastic bonding film layer 9 are polyolefin-based thermoplastic bonding films, the thickness of the third thermoplastic bonding film layer 8 and the thickness of the fourth thermoplastic bonding film layer 9 are 0.02-0.3mm, and the third thermoplastic bonding film layer 8 and the fourth thermoplastic bonding film layer 9 are also polyolefin-based thermoplastic bonding films.
Preferably, the thickness of the third surface layer 6 and the fourth surface layer 7 is 0.02 to 2 mm. The third surface layer 6 and the fourth surface layer 7 are unidirectional tape layers or film layers made of one or more of PP films, PE films, PA films, PET films, PC films, PVC films, PVF films, AS films and GMMA films, and unidirectional tapes in the unidirectional tape layers are made by compounding and shaping continuous fiber impregnated thermoplastic resins. When the third surface layer 6 and the core plate 3 are made of the same thermoplastic material, the third surface layer 6 and the core plate 3 can be directly hot-pressed and compounded without arranging the third thermoplastic adhesive film 8; similarly, when the fourth cover 7 and the core 3 are made of the same thermoplastic material, the fourth cover 7 and the core 3 may be directly heat-press-combined without providing the fourth thermoplastic adhesive film 9.
When the first adhesive layer 13 and the second adhesive layer 53 are polyolefin-based thermoplastic adhesive films, in the processing process, the first surface layer 11, the first adhesive layer 13, the first metal layer 12, the first thermoplastic adhesive film layer 2, the third surface layer 6, the third thermoplastic adhesive film layer 8, the core plate 3, the fourth thermoplastic adhesive film layer 9, the fourth surface layer 7, the second thermoplastic adhesive film layer 4, the second metal layer 52, the second adhesive layer 53 and the second surface layer 51 are formed at one time through hot-pressing compounding, and the thermoplastic light composite board is produced by adopting a continuous hot-compounding process, so that the production efficiency can be greatly improved, preferably, the continuous hot-compounding temperature of the light composite board is 250-plus-materials, and the compounding speed is 1-5 m/min.
Of course, the upper surface layer 1 may be an aluminum-plastic film structure formed by pre-compounding the first surface layer 11 and the first metal layer 12, and the lower surface layer 5 may be an aluminum-plastic film structure formed by pre-compounding the second surface layer 51 and the second metal layer 52. The surface of the aluminum-plastic film structure has metal texture, the appearance is more attractive, the weather resistance is good, the barrier property and the metal scattering type are excellent, and the heat preservation effect is good.
In another case, as in the first embodiment, when the first adhesive layer 13 and the second adhesive layer 53 are thermosetting adhesives, the upper surface layer 1 and the lower surface layer 5 need to be prepared by pre-compounding, and then the upper surface layer 1, the first thermoplastic adhesive film layer 2, the third surface layer 6, the core plate 3, the fourth surface layer 7, the second thermoplastic adhesive film layer 4 and the lower surface layer 5 are formed at one time by hot-pressing compounding, so that continuous hot-compounding can still be adopted for production, thereby greatly improving the production efficiency, preferably, the compounding temperature of the continuous hot-compounding of the lightweight composite board is 120-.
Example 1:
the continuous thermal compounding process is adopted, 0.2mm aluminum plates are arranged on the upper surface and the lower surface of a 19mm thick PP-based honeycomb core, 1.0mm one-way belts are arranged on the upper surface and the lower surface of the aluminum plates, 0.1mm polyolefin-based thermoplastic adhesive film is arranged between the aluminum plates and the PP-based honeycomb core, 0.1mm polyolefin-based thermoplastic adhesive film is arranged between the aluminum plates and the one-way belts, hot-pressing compounding is carried out at 180 ℃, the compounding speed is 2m/min, and a 20mm thick laminated structure of one-way belt/polyolefin-based thermoplastic adhesive film/aluminum plate/polyolefin-based thermoplastic adhesive film/PP-based honeycomb core/polyolefin-based thermoplastic adhesive film/aluminum plate/polyolefin-based thermoplastic adhesive film/one-way belt is obtained after cooling.
Example 2:
by adopting a continuous thermal compounding process, 0.5mm PP-based unidirectional tape is arranged above and below a 19mm thick PP-based honeycomb core, 0.2mm aluminum plates are arranged on the upper surface and the lower surface of the PP-based unidirectional tape, 0.5mm unidirectional tape is arranged on the upper surface and the lower surface of the aluminum plates again, 0.1mm polyolefin-based thermoplastic adhesive film is arranged between the aluminum plates and the unidirectional tape, hot-pressing compounding is carried out at 180 ℃ at a compounding speed of 2m/min, and a 20mm thick laminated structure of unidirectional tape/polyolefin-based thermoplastic adhesive film/aluminum plate/polyolefin-based thermoplastic adhesive film/PP-based unidirectional tape/PP-based honeycomb core/PP-based unidirectional tape/polyolefin-based thermoplastic adhesive film/aluminum plate/polyolefin-based thermoplastic adhesive film/unidirectional tape is obtained after cooling.
Example 3:
the method comprises the steps of adopting a continuous thermal compounding process, arranging 0.2mm aluminum plates on the upper surface and the lower surface of a 19mm thick PET foam core plate, arranging 1.0mm one-way belts on the upper surface and the lower surface of the aluminum plates, arranging 0.1mm polyolefin-based thermoplastic adhesive film between the aluminum plates and the PET foam core plate, arranging 0.1mm polyolefin-based thermoplastic adhesive film between the aluminum plates and the one-way belts, performing hot-pressing compounding at 180 ℃ at a compounding speed of 2m/min, and cooling to obtain a 20mm thick laminated structure of one-way belt/polyolefin-based thermoplastic adhesive film/aluminum plate/polyolefin-based thermoplastic adhesive film/PET foam core plate/polyolefin-based thermoplastic adhesive film/aluminum plate/polyolefin-based thermoplastic adhesive film/one-way belt.
Example 4:
adopting a continuous thermal compounding process, arranging 1.0mm PP-based unidirectional tapes on a PP-based honeycomb core with the thickness of 19mm, arranging 0.1mm aluminum-plastic films on the upper surface and the lower surface of each unidirectional tape, wherein the aluminum-plastic films have the structure of 0.006mm aluminum/0.004 mm bonding layers/0.09 mm PET films, and the PET films are arranged on the outer sides of the composite plates; arranging a 0.05mm polyolefin-based thermoplastic adhesive film between the aluminum plastic film and the PP-based unidirectional tape, carrying out hot-pressing compounding at 180 ℃, wherein the compounding speed is 2m/min, and cooling to obtain a laminated structure with the thickness of 20mm, namely the aluminum plastic film/the polyolefin-based thermoplastic adhesive film/the PP-based unidirectional tape/the PP-based honeycomb core/the PP-based unidirectional tape/the polyolefin-based thermoplastic adhesive film/the aluminum plastic film.
Example 5:
adopting a continuous thermal compounding process, arranging 1.0mm unidirectional tapes on the upper surface and the lower surface of a 19mm thick PET foam core board, arranging 0.1mm polyolefin-based thermoplastic adhesive layers between the unidirectional tapes and the PET foam core board, and arranging 0.1mm aluminum-plastic films on the upper surface and the lower surface of the unidirectional tapes, wherein the aluminum-plastic films are 0.006mm aluminum/0.004 mm adhesive layers/0.09 mm PET films, and the PET films are arranged on the outer side of the composite board; arranging a 0.05mm polyolefin-based thermoplastic adhesive film between the aluminum plastic film and the unidirectional tape, hot-pressing and compounding at 180 ℃, wherein the compounding speed is 2m/min, and obtaining a laminated structure with the thickness of 20mm after cooling, namely the aluminum plastic film/the polyolefin-based thermoplastic adhesive film/the unidirectional tape/the polyolefin-based thermoplastic adhesive film/the PET foam core plate/the polyolefin-based thermoplastic adhesive film/the unidirectional tape/the polyolefin-based thermoplastic adhesive film/the aluminum plastic film.
Comparative example 1:
by adopting a continuous thermal compounding process, 1.0mm PP-based unidirectional tapes are arranged on the upper surface and the lower surface of a 19mm PP-based honeycomb core, hot-pressed and compounded at 180 ℃, the compounding speed is 2m/min, and after cooling, a 20 mm-thick laminated structure of the PP-based unidirectional tape/the PP-based honeycomb core/the PP-based unidirectional tape is obtained.
Comparative example 2:
the continuous thermal compounding process is adopted, 0.8mm aluminum plates are arranged on the upper surface and the lower surface of a 19mm thick PP-based honeycomb core, 0.1mm polyolefin-based thermoplastic adhesive film is arranged between the aluminum plates and the PP-based honeycomb core, hot-pressing compounding is carried out at 180 ℃, the compounding speed is 2m/min, and a 20mm thick laminated structure of the aluminum plates/the polyolefin-based thermoplastic adhesive film/the PP-based honeycomb core/the polyolefin-based thermoplastic adhesive film/the aluminum plates is obtained after cooling.
The composite boards prepared in the examples 1-5 and the comparative examples 1-2 are subjected to mechanical property tests, and the horizontal tensile strength is cut and tested according to GB/T1452-; the density, the bending load, the bending stress and the elastic modulus are detected according to GB/T17657-.
Table 1:
according to the test results in table 1, it can be seen that:
1. as shown in comparative example 1, example 1 and example 2, with the introduction of the metal reinforcement layer, the bending performance of the composite plate is obviously improved, and in example 1, compared with comparative example 1, the bending strength is increased by nearly 35%, and the elastic modulus is increased by nearly 65%;
2. as shown in the embodiments 2 and 1, the static bending strength and the elastic modulus of the embodiment 2 are improved by nearly 10% compared with those of the embodiment 1, the metal reinforcing layer is located at different positions, and the overall reinforcing effect on the composite plate is different, and the closer the metal reinforcing layer is to the surface as a whole, the more obvious the improvement on the static bending strength and the elastic modulus is;
3. as shown in examples 3 and 5, the foam material has a good heat insulation effect, and under the condition of keeping the same level of mechanical properties as that of comparative example 1, the heat conductivity coefficient of the composite board containing the PET foam core board is only about 45% of that of the composite board containing the PP-based honeycomb core board, so that the foam material can be well applied to scenes needing refrigeration, heat insulation and the like;
4. in actual operation, when metals such as aluminum and the like are directly used as the surface of the plate, the plate is easy to scratch, and the acid and alkali corrosion resistance is poor, but the composite structure provided by the embodiment 1-5 has the advantages that the high polymer material layer is additionally arranged on the surface of the metal, so that the effect of attractive decoration can be achieved, the metal enhancement layer can be effectively prevented from being scratched or corroded, and the service life of the whole composite plate is prolonged. In particular, as shown in example 5, when the aluminum plastic film is used as the appearance layer of the foam composite board, the aluminum plastic film can not only provide the unique texture of the metal on the board surface, but also provide good barrier property to the foam core material inside the composite board, thereby effectively protecting the foam core material and further prolonging the heat preservation life of the composite board.
All features described in the description, the appended claims and the drawings, either individually or in any combination thereof, are essential features of the invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "one implementation," "a specific implementation," "other implementations," "examples," "specific examples," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment, implementation, or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described above may also be combined in any suitable manner in any one or more of the embodiments, examples, or examples. The present disclosure also includes any one or more of the specific features, structures, materials, or characteristics described above, either individually or in any combination.
Although the embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions, variations, deletion of partial features, addition of features or re-combination of features without departing from the spirit and scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments according to the innovative principles of the present invention are all within the scope of the present invention.
Claims (8)
1. The thermoplastic light composite board comprises an upper surface layer (1), a core board (3) and a lower surface layer (5) which are sequentially arranged from top to bottom, wherein the upper surface layer (1), the core board (3) and the lower surface layer (5) are formed by hot-pressing and compounding, and the thermoplastic light composite board is characterized in that the upper surface layer (1) comprises a first surface layer (11) and a first metal layer (12) which are fixedly bonded, and the first metal layer (12) is positioned between the first surface layer (11) and the core board (3); the lower surface layer (5) comprises a second surface layer (51) and a second metal layer (52) which are fixedly bonded, and the second metal layer (52) is positioned between the second surface layer (51) and the core plate (3); the first surface layer (11) and the second surface layer (51) are unidirectional tape layers or film layers made of one or more of PP films, PE films, PA films, PET films, PC films, PVC films, PVF films, AS films and GMMA films; the core board (3) is a PP-based honeycomb core board, a PA-based honeycomb core board, an XPS foam core board, a PET foam core board, a PU foam core board or an EPP foam core board, the first metal layer (12) and the core plate (3) are fixedly bonded through a first thermoplastic bonding film layer (2), the second metal layer (52) and the core plate (3) are fixedly bonded through a second thermoplastic bonding film layer (4), the first thermoplastic bonding film layer (2) and the second thermoplastic bonding film layer (4) are polyolefin-based thermoplastic bonding films, the thickness of the first thermoplastic bonding film layer (2) and the second thermoplastic bonding film layer (4) is 0.02-0.3mm, the thickness of the core plate (3) is 2-150mm, the thickness of the first surface layer (11) and the second surface layer (51) is 0.02-2mm, the thickness of the first metal layer (12) and the second metal layer (52) is 20nm-2 mm.
2. A thermoplastic lightweight composite panel according to claim 1, wherein said first metal layer (12) and said second metal layer (52) are made of aluminum, copper, iron, stainless steel or titanium alloy.
3. The thermoplastic lightweight composite board according to claim 1, wherein a first adhesive layer (13) is further disposed between the first surface layer (11) and the first metal layer (12), the first adhesive layer (13) is a thermosetting glue or a polyolefin-based thermoplastic adhesive film, a second adhesive layer (53) is further disposed between the second surface layer (51) and the second metal layer (52), the second adhesive layer (53) is a thermosetting glue or a polyolefin-based thermoplastic adhesive film, and the thicknesses of the first adhesive layer (13) and the second adhesive layer (53) are 0.001-0.3 mm.
4. The thermoplastic lightweight composite board according to claim 1, wherein a third surface layer (6) and a third thermoplastic bonding film layer (8) are sequentially arranged between the first thermoplastic bonding film layer (2) and the core board (3), the first metal layer (12) is compounded on the upper surface of the third surface layer (6) through the first thermoplastic bonding film layer (2) by hot pressing, and the third surface layer (6) and the upper surface of the core board (3) are fixedly bonded through the third thermoplastic bonding film layer (8); still be equipped with fourth surface course (7) and fourth thermoplasticity bonding rete (9) in proper order between second thermoplasticity bonding rete (4) and core (3), second metal level (52) are in through second thermoplasticity bonding rete (4) hot-pressing complex the lower surface of fourth surface course (7), it is fixed to bond through fourth thermoplasticity bonding rete (9) between the lower surface of fourth surface course (7) and core (3).
5. A thermoplastic lightweight composite panel according to claim 4, wherein said upper skin layer (1) is an aluminum-plastic film structure formed by pre-compounding a first skin layer (11) and a first metal layer (12), and said lower skin layer (5) is an aluminum-plastic film structure formed by pre-compounding a second skin layer (51) and a second metal layer (52).
6. Thermoplastic lightweight composite board according to claim 4, characterized in that the thickness of the third and fourth surface layers (6, 7) is 0.02-2 mm.
7. A thermoplastic lightweight composite board according to claim 4, wherein said third and fourth face layers (6, 7) are unidirectional tape layers or film layers made of one or more of PP film, PE film, PA film, PET film, PC film, PVC film, PVF film, AS film and GMMA film.
8. The thermoplastic lightweight composite panel according to claim 1 or 7, wherein the unidirectional tapes in the unidirectional tape layers are formed by continuous fiber-impregnated thermoplastic resin composite molding.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986626A (en) * | 2022-06-23 | 2022-09-02 | 千年舟新材科技集团股份有限公司 | Antibacterial enhanced wood shaving veneer and preparation method thereof |
-
2022
- 2022-02-11 CN CN202220281479.0U patent/CN217435208U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114986626A (en) * | 2022-06-23 | 2022-09-02 | 千年舟新材科技集团股份有限公司 | Antibacterial enhanced wood shaving veneer and preparation method thereof |
| CN114986626B (en) * | 2022-06-23 | 2023-08-11 | 千年舟新材科技集团股份有限公司 | Antibacterial enhanced wood shaving veneer board and preparation method thereof |
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