CN115895083A - Foam core metal composite plate and preparation method thereof - Google Patents
Foam core metal composite plate and preparation method thereof Download PDFInfo
- Publication number
- CN115895083A CN115895083A CN202211418831.1A CN202211418831A CN115895083A CN 115895083 A CN115895083 A CN 115895083A CN 202211418831 A CN202211418831 A CN 202211418831A CN 115895083 A CN115895083 A CN 115895083A
- Authority
- CN
- China
- Prior art keywords
- pressure
- foaming
- parts
- foamed
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002905 metal composite material Substances 0.000 title claims abstract description 23
- 239000006260 foam Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 238000005187 foaming Methods 0.000 claims abstract description 85
- -1 polypropylene Polymers 0.000 claims abstract description 57
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004743 Polypropylene Substances 0.000 claims abstract description 26
- 238000007731 hot pressing Methods 0.000 claims abstract description 26
- 229920001155 polypropylene Polymers 0.000 claims abstract description 26
- 239000002313 adhesive film Substances 0.000 claims abstract description 24
- 239000002131 composite material Substances 0.000 claims abstract description 24
- 238000013329 compounding Methods 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims description 62
- 229920005989 resin Polymers 0.000 claims description 52
- 239000011347 resin Substances 0.000 claims description 52
- 239000004698 Polyethylene Substances 0.000 claims description 26
- 229920000573 polyethylene Polymers 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 21
- 238000002844 melting Methods 0.000 claims description 20
- 230000008018 melting Effects 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 19
- 239000011324 bead Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 229920001684 low density polyethylene Polymers 0.000 claims description 18
- 239000004702 low-density polyethylene Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 15
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 14
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 14
- 239000000155 melt Substances 0.000 claims description 14
- 229920000642 polymer Polymers 0.000 claims description 14
- 239000012752 auxiliary agent Substances 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 229920005604 random copolymer Polymers 0.000 claims description 11
- 238000007334 copolymerization reaction Methods 0.000 claims description 10
- 230000006911 nucleation Effects 0.000 claims description 10
- 238000010899 nucleation Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 8
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000011162 core material Substances 0.000 abstract description 28
- 230000000704 physical effect Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000006057 Non-nutritive feed additive Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002667 nucleating agent Substances 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011667 zinc carbonate Substances 0.000 description 2
- 229910000010 zinc carbonate Inorganic materials 0.000 description 2
- 235000004416 zinc carbonate Nutrition 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- HOWJQLVNDUGZBI-UHFFFAOYSA-N butane;propane Chemical compound CCC.CCCC HOWJQLVNDUGZBI-UHFFFAOYSA-N 0.000 description 1
- 239000004595 color masterbatch Substances 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- QHZOMAXECYYXGP-UHFFFAOYSA-N ethene;prop-2-enoic acid Chemical group C=C.OC(=O)C=C QHZOMAXECYYXGP-UHFFFAOYSA-N 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001912 maleic anhydride grafted polyethylene Polymers 0.000 description 1
- 229920001910 maleic anhydride grafted polyolefin Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920005634 random propylene copolymer resin Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920001935 styrene-ethylene-butadiene-styrene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention provides a metal composite plate with a foaming core material and a preparation method thereof. The foamed core material metal composite board is obtained by taking foamed low-density polyethylene-linear low-density polyethylene-random copolymerized polypropylene as a core material, and performing hot-pressing compounding on the core material, a high-molecular adhesive film and an aluminum coil. The composite board has excellent physical properties, high bending strength, elastic modulus, penetrating strength and shearing strength, high peeling strength and good weather resistance. Therefore, the foam core material metal composite board is a composite board with good performance and can be used in various occasions such as advertising boards, showcases, mobile houses, caravans and the like.
Description
Technical Field
The invention relates to the field of materials, in particular to a foam core metal composite plate and a preparation method thereof.
Background
An aluminum-plastic composite plate (APCP for short) is a high-tech composite material researched and developed in Europe in the sixties of the last century, the research, development, production and application of the aluminum-plastic composite plate are rapidly developed since the 21 st century, and the aluminum-plastic composite plate becomes a new important industry more and is greatly valued by building decoration and various circles along with the continuous development and improvement of production process, equipment, management, technical innovation and application level.
The aluminum-plastic composite board is formed by compounding aluminum alloy plates on two sides, a core material which is a low-density polyethylene (LDPE) core plate and a high-molecular adhesive film. The aluminum-plastic composite board has the advantages of light material, good flatness, uniform color, convenient processing and installation, strong decoration and moderate price. The aluminum-polyethylene composite decorative board not only keeps the main characteristics of metal aluminum and polyethylene, but also overcomes the defects of raw materials, is a novel green and environment-friendly building decorative material, and is widely applied to various building decorations, advertising boards, showcases, mobile houses, cabriolets, buses and subways. The metal composite plate with the foam core material is lighter in weight, but has the defects of poor physical properties, insufficient peel strength and the like.
Disclosure of Invention
The invention provides a metal composite plate with a foaming core material, which has good physical properties and weather resistance and is suitable for various occasions.
The aluminum-plastic composite plate provided by the invention sequentially comprises the following components from top to bottom: the foamed core plate is prepared by foaming 50-80 parts of low-density polyethylene resin, 20-40 parts of linear low-density polyethylene resin and 5-15 parts of random copolymer polypropylene resin to obtain foamed beads with the bulk density of 15-30 g/L, and then extruding the foamed beads.
In one embodiment, the first aluminum plate is a decorative color-coated aluminum plate having a thickness of 0.1 to 0.5mm, preferably 0.2 to 0.3mm.
In one embodiment, the second aluminum sheet is a non-decorative color-coated aluminum sheet having a thickness of 0.1 to 0.5mm, preferably 0.2 to 0.3mm.
In one embodiment, the low density polyethylene resin has a density of 0.90 to 0.93g/cm 3 The melting point is 105-113 ℃, and the melt index is 1.5-4.0 g/10min under the condition of 190 ℃/2.16 kg. Preferably, the density is 0.910 to 0.920g/cm 3 The melting point is 108-110 ℃, and the melt index is 2.0-3.0 g/10min under the conditions of 190 ℃/2.16 kg. The amount of the low density polyethylene resin may be 50, 55, 60, 65, 70, 75, 80 parts, which is preferably 60 to 70 parts.
In one embodiment, the linear low density polyethylene resin has a density of 0.90 to 0.915g/cm 3 The melting point is 120-130 ℃, and the melt index is 0.5-3.0 g/10min under the condition of 190 ℃/2.16 kg. Preferably, the density is 0.905 to 0.913g/cm 3 The melting point is 122-128 ℃, and the melt index is 0.8-1.5 g/10min under the condition of 190 ℃/2.16 kg. The amount of the linear low density polyethylene resin may be 20, 25, 30, 35, 40 parts, which is preferably 25 to 35 parts.
In one embodiment, the random copolymer polypropylene resin may be one or more of a propane-butane random copolymer polypropylene resin, an ethylene-propylene-butane random copolymer polypropylene resin. The mass percentage content of propylene in the random copolymerization polypropylene resin is more than or equal to 90 percent, and the density is 0.89-0.91 g/cm 3 The melting point is 155-170 ℃, the melt index is 1.5-2.8 g/10min under the conditions of 230 ℃/2.16kg, and the molecular weight distribution is 5.5-6.3. Preferably, the mass percentage content of the propylene is more than or equal to 93 percent, and the density is 0.894-0.898 g/cm 3 The melting point is 155-165 ℃, the melt index is 1.8-2.2 g/10min under the condition of 230 ℃/2.16kg, and the molecular weight distribution is 5.6-6.0. The amount of the random copolymerized polypropylene resin may be 5, 8, 10, 12, 15 parts, which is preferably 8 to 12 parts.
In one embodiment, the foamed polyethylene core further comprises one or more processing aids selected from flame retardants, uv absorbers, color masterbatches, antioxidants, coupling agents. The dosage of each processing aid is 1 to 10 parts.
In one embodiment, the foamed polyethylene core sheet is made by the following protocol:
(1) Preparing the foaming master batch: uniformly mixing 50-80 parts of low-density polyethylene resin, 20-40 parts of linear low-density polyethylene resin, 5-15 parts of random copolymerization polypropylene resin, 3-10 parts of compatilizer, 2-6 parts of foaming nucleation auxiliary agent and optional processing auxiliary agent at a high speed, and mixing, extruding, drawing and granulating the mixture by using an extruder to prepare foaming master batches with the particle size of 0.5-2.0 mm;
(2) Foaming: adding the foaming master batch into a foaming reaction kettle, and injecting supercritical CO 2 Heating and gradually pressurizing in sections, wherein the pressures are respectively 0.5-0.9 MPa, 1.2-1.8 MPa, 2.4-3.6 MPa and 4-5 MPa, and the time of each section is 10-40 min; instantly releasing the pressure of the reaction kettle to atmospheric pressure through a pressure relief valve to obtain primary foamed particles with the bulk density of 35-80 g/L;
(3) And (3) secondary foaming: placing the primary foamed particles at normal temperature for 12-24 h, sealing the primary foamed particles into a pre-pressing tank, carrying pressure by using air, wherein the carrying pressure is 0.2-0.5 MPa, and heating and expanding the primary foamed particles after carrying pressure in a normal-pressure flowing foaming pipeline at the temperature of 80-95 ℃ to form secondary foamed particles with the bulk density of 15-30 g/L;
(4) Molding: and (3) maintaining the pressure of the prepared secondary expanded beads in a pressure maintaining tank, and then conveying the beads into a mold for steam forming to obtain the expanded polyethylene plate.
Preferably, the compatilizer is at least one selected from the group consisting of maleic anhydride grafted POE, maleic anhydride grafted EPDM, maleic anhydride grafted SEBS, maleic anhydride grafted EVA, maleic anhydride grafted polyethylene and hydroxylated polyethylene. The amount of the compatibilizer is preferably 4 to 6 parts, and more preferably 5 parts.
Preferably, the foam nucleation aids are substances, typically small particles, that provide nucleation sites or sites for the formation of bubbles within the polymer melt. In the present invention, suitable nucleating agents include one or more of zinc oxide, aluminum oxide, zirconium oxide, zinc carbonate, zinc stearate, fluorine resin, boron nitride, silicon dioxide, talc; preferably, the nucleating agent is selected from one or more of nano zinc oxide, nano aluminum oxide, nano zirconium oxide and nano zinc carbonate. The amount of the foaming nucleation aid is preferably 3 to 5 parts.
Preferably, the temperature of each section of the extruder in the step (1) is set to be 165-172 ℃, 174-178 ℃, 180-185 ℃, 188-192 ℃ and 195-200 ℃, the screw rotation speed is 500-3000 r/min, and the mixing time is 30-90 min. The particle diameter of the foaming master batch is preferably 0.6-1.0 mm.
Preferably, the heating temperature in the step (2) is 110-120 ℃, preferably 113-118 ℃; the heating pressure is 0.75a, 1.5MPa, 3.0MPa and 4.5MPa respectively, and the time of each period is 20-30 min. Among them, the bulk density of the primary expanded beads is preferably 40 to 60g/L.
Preferably, the pressure loading pressure in the step (3) is 0.3-0.4 MPa, and the expansion is carried out under the heating at the temperature of 85-90 ℃. Among them, the bulk density of the secondary expanded beads is preferably 20 to 25g/L.
Preferably, the steam pressure for the steam forming in the step (4) is 0.15-0.6 Mba, the heating time is 5-15 s, and the water cooling time is 15-25 s. More preferably, the steam pressure is 0.3 to 0.4Mba, the heating time is 8 to 12s, and the water cooling time is 20 to 25s.
In one embodiment, the first and second polymer adhesive films are not particularly limited, and adhesive films conventionally used in aluminum-plastic composite panels may be used. Preferably, it is selected from one or more of a polyethylene and polar resin co-extruded film, a polypropylene and polar resin co-extruded film, an EVA film, a maleic anhydride grafted polyolefin film, and an acrylic acid-ethylene copolymer film. The thickness of the first polymeric adhesive film and the second polymeric adhesive film may be 0.01 to 0.1mm, preferably 0.03 to 0.05mm.
The invention also provides a preparation method of the foam core material metal composite plate, which comprises the following steps:
(1) Preparing the foaming master batch: uniformly mixing 50-80 parts of low-density polyethylene resin, 20-40 parts of linear low-density polyethylene resin, 5-15 parts of random copolymerization polypropylene resin, 3-10 parts of compatilizer, 2-6 parts of foaming nucleation auxiliary agent and optional processing auxiliary agent at a high speed, and mixing, extruding, drawing and granulating the mixture by using an extruder to prepare foaming master batches with the particle size of 0.5-2.0 mm;
(2) Foaming: will be provided withAdding the foaming mother particles into a foaming reaction kettle, and injecting supercritical CO 2 Heating and gradually pressurizing in sections, wherein the pressures are respectively 0.5-0.9 MPa, 1.2-1.8 MPa, 2.4-3.6 MPa and 4-5 MPa, and the time of each section is 10-40 min; instantly releasing the pressure of the reaction kettle to atmospheric pressure through a pressure relief valve to obtain primary foamed particles with the bulk density of 35-80 g/L;
(3) And (3) secondary foaming: placing the primary foamed particles at normal temperature for 12-24 h, sealing the primary foamed particles into a pre-pressing tank, carrying pressure by using air, wherein the carrying pressure is 0.2-0.5 MPa, and heating and expanding the primary foamed particles after carrying pressure in a normal-pressure flowing foaming pipeline at the temperature of 80-95 ℃ to form secondary foamed particles with the bulk density of 15-30 g/L;
(4) Molding: keeping the pressure of the prepared secondary foamed beads in a pressure maintaining tank, and then conveying the beads into a mold for steam forming to obtain a foamed polyethylene plate;
(5) Compounding: and (3) sequentially carrying out a compounding process on the foamed polyethylene plate through a first polymer adhesive film, a second polymer adhesive film, a first aluminum roll and a second aluminum roll which are compounded from top to bottom and have clean surfaces, so as to obtain the aluminum-plastic composite plate.
In one embodiment, the first aluminum coil is a decorative color-coated aluminum coil having a thickness of 0.1 to 0.5mm, preferably 0.2 to 0.3mm.
In one embodiment, the second aluminum coil is a non-decorative color-coated coil having a thickness of 0.1 to 0.5mm, preferably 0.2 to 0.3mm.
Preferably, steps (1) - (4) are as described herein.
In one embodiment, in the step (5), the foamed polyethylene plate sequentially passes through a first polymer adhesive film, a second polymer adhesive film, a first aluminum roll and a second aluminum roll which are compounded up and down, the surfaces of the first aluminum roll and the second aluminum roll are cleaned, the temperature of the first compound roll is 90-100 ℃, the temperature of the second compound roll is 130-150 ℃, the temperature of the first hot-pressing roll is 90-120 ℃, the temperature of the second hot-pressing roll is 85-95 ℃, the hot-pressing pressure is 0.2-0.6 MPa, and the temperature of the plate surface of the cooled composite plate is not more than 55 ℃.
Preferably, the temperature of the first compound roller is 90-95 ℃, the temperature of the second compound roller is 135-145 ℃, the temperature of the first hot-pressing roller is 95-100 ℃, the temperature of the second hot-pressing roller is 85-90 ℃, and the hot-pressing pressure is 0.3-0.4 MPa.
In the present invention, the "parts" mean parts by weight unless otherwise specified.
Advantageous effects
The invention provides a foaming core material metal composite plate and a preparation method thereof. The foamed core material metal composite plate is obtained by taking foamed low-density polyethylene-linear low-density polyethylene-random copolymer polypropylene as a core material, and performing hot-pressing compounding on the core material, a high-molecular adhesive film and an aluminum coil. The invention adopts the resin raw materials with specific compositions and the foaming process of four-stage pressurization and secondary foaming, so that the prepared composite board has excellent physical property, high bending strength, elastic modulus, penetration strength and shear strength, large peeling strength and good weather resistance. Therefore, the foam core material metal composite board is a composite board with good performance and can be used in various occasions such as advertising boards, showcases, mobile houses, caravans and the like.
Drawings
FIG. 1 is a schematic cross-sectional view of a foam core metal composite panel according to the present invention;
fig. 2 is a foam core metal composite plate of the present invention.
Wherein the reference numerals denote: 1 a first aluminum plate; 2 a first polymeric adhesive film; 3, foaming a core plate; 4 a second polymeric adhesive film; 5 second aluminium plate.
Detailed Description
The present invention is described in more detail below to facilitate an understanding of the present invention.
The experimental procedures in the following examples are conventional unless otherwise specified. The examples do not show the specific techniques or conditions, according to the technical or conditions described in the literature in the field, or according to the product specifications.
As shown in fig. 1, the present invention provides an aluminum-plastic composite panel, which sequentially comprises from top to bottom: the foamed core plate comprises a first aluminum plate (1), a first polymer adhesive film (2), a foamed core plate (3), a second polymer adhesive film (4) and a second aluminum plate (5).
The aluminum-plastic composite panel of the present invention can be produced by the following examples.
Example 1:
(1) Preparing the foaming master batch: 60 parts of low-density polyethylene resin (density is 0.915-0.917 g/cm) 3 30 parts of linear low-density polyethylene resin (the density is 0.910 to 0.912 g/cm) 3 Melting point of 124 ℃, melt index of 1.1g/10min under the condition of 190 ℃/2.16kg, 10 parts of random copolymerization polypropylene resin (propylene content of 95 percent, density of 0.896-0.898 g/cm) 3 The melting point is 160 ℃, the melt index is 1.9g/10min under the conditions of 230 ℃/2.16kg, the molecular weight distribution is 5.7), 5 parts of compatilizer maleic anhydride grafted POE (Exxon, exxelor PO 1020) and 3 parts of foaming nucleation auxiliary agent nano-alumina are uniformly mixed at high speed, and the mixture is mixed, extruded, drawn and cut into granules by an extruder to prepare the low-density polyethylene-linear low-density polyethylene-random copolymerization polypropylene foaming master batch with the grain diameter of 0.6-1.0 mm; the temperature of each section of the extruder is set to be 170 ℃, 175 ℃, 180 ℃,190 ℃ and 200 ℃, the screw rotating speed is 2000r/min, and the mixing time is 60min;
(2) Foaming: adding the foaming master batch into a foaming reaction kettle, and injecting supercritical CO 2 Heating to 125 deg.C, and gradually pressurizing at 0.75a, 1.5MPa, 3.0MPa, and 4.5MPa for 30min; instantly releasing the pressure of the reaction kettle to atmospheric pressure through a pressure relief valve to obtain primary foamed particles with the bulk density of 50-52 g/L;
(3) And (3) secondary foaming: placing the primary foamed particles at normal temperature for 18h, sealing the primary foamed particles into a pre-pressing tank, carrying pressure by using air, wherein the pressure carrying pressure is 0.3MPa, the pressure carrying time is 12h, and the primary foamed particles after carrying pressure are heated and expanded in a normal-pressure circulation foaming pipeline at the temperature of 85-90 ℃ to form a secondary foamed particle finished product with the bulk density of 21-22 g/L;
(4) Molding: maintaining the pressure of the prepared foamed polyethylene particles in a pressure maintaining tank, and then sending the foamed polyethylene particles into a mold for steam forming, wherein the steam pressure is 0.3Mba, the heating time is 10s, and the water cooling time is 20s, so that a foamed core plate with the thickness of 2.5mm is obtained;
(5) Compounding: the foamed polyethylene sheet was passed sequentially through a 0.03mm thick polymeric adhesive film (DUPONT 753,95% pure film) and a 0.25mm thick surface cleaned aluminum roll, and the first compounding roller controlled temperature: and (3) controlling the temperature of the second compound roller: 140 ℃, temperature control of the first hot-pressing roller: and (3) controlling the temperature of a second hot-pressing roller: 90 ℃, hot pressing control pressure: 0.3MPa, cooling process parameters: the temperature of the surface of the cooled composite board is 45 ℃.
Example 2:
(1) Preparing a foaming master batch: 65 parts of low-density polyethylene resin (with the density of 0.915-0.917 g/cm) 3 Melting point of 108 ℃, melt index of 2.3g/10min under the conditions of 190 ℃/2.16kg and 25 parts of linear low-density polyethylene resin (density of 0.910-0.912 g/cm) 3 Melting point of 124 ℃, melt index of 1.1g/10min under the condition of 190 ℃/2.16kg, 10 parts of random copolymerization polypropylene resin (propylene content of 95 percent, density of 0.896-0.898 g/cm) 3 The melting point is 160 ℃, the melt index is 1.9g/10min under the conditions of 230 ℃/2.16kg, the molecular weight distribution is 5.7), 5 parts of compatilizer maleic anhydride grafted POE (Exxon, exxelor PO 1020) and 3 parts of foaming nucleation auxiliary agent nano-alumina are uniformly mixed at high speed, and the mixture is mixed, extruded, drawn and cut into granules by an extruder to prepare the low-density polyethylene-linear low-density polyethylene-random copolymerization polypropylene foaming master batch with the grain diameter of 0.6-1.0 mm; the temperature of each section of the extruder is set to be 170 ℃, 175 ℃, 180 ℃,190 ℃ and 200 ℃, the screw rotating speed is 2000r/min, and the mixing time is 60min;
(2) Foaming: adding the foaming master batch into a foaming reaction kettle, and injecting supercritical CO 2 Heating to 125 deg.C, and gradually pressurizing at 0.75a, 1.5MPa, 3.0MPa, and 4.5MPa for 30min; instantly releasing the pressure of the reaction kettle to atmospheric pressure through a pressure relief valve to obtain primary foamed particles with bulk density of 52-54 g/L;
(3) And (3) secondary foaming: placing the primary foamed particles at normal temperature for 18h, sealing the primary foamed particles into a pre-pressing tank, carrying pressure by using air, wherein the pressure carrying pressure is 0.3MPa, the pressure carrying time is 12h, and the primary foamed particles after carrying pressure are heated and expanded in a normal-pressure circulation foaming pipeline at the temperature of 85-90 ℃ to form a secondary foamed bead finished product with the bulk density of 22-24 g/L;
(4) Molding: maintaining the pressure of the prepared foamed polyethylene particles in a pressure maintaining tank, and then sending the foamed polyethylene particles into a mold for steam forming, wherein the steam pressure is 0.3Mba, the heating time is 10s, and the water cooling time is 20s, so that a foamed core plate with the thickness of 2.5mm is obtained;
(5) Compounding: the foamed polyethylene sheet was passed sequentially through a 0.03mm thick polymeric adhesive film (DUPONT 753,95% pure film) and a 0.25mm thick surface cleaned aluminum roll, and the first compounding roller controlled temperature: and (3) controlling the temperature of the second compound roller: 140 ℃, temperature control of the first hot-pressing roller: 95 ℃, and controlling the temperature of a second hot-pressing roller: 90 ℃, hot pressing control pressure: 0.3MPa, cooling process parameters: the temperature of the surface of the cooled composite board is 45 ℃.
Example 3:
(1) Preparing a foaming master batch: 70 parts of low-density polyethylene resin (the density is 0.915-0.917 g/cm) 3 Melting point of 108 ℃, melt index of 2.3g/10min under the conditions of 190 ℃/2.16kg and 20 parts of linear low-density polyethylene resin (density of 0.910-0.912 g/cm) 3 Melting point of 124 ℃, melt index of 1.1g/10min under the condition of 190 ℃/2.16kg, 10 parts of random copolymerization polypropylene resin (propylene content of 95 percent, density of 0.896-0.898 g/cm) 3 Uniformly mixing 5 parts of compatilizer maleic anhydride grafted POE (Exxelor PO 1020) and 3 parts of foaming nucleating additive nano-alumina at a high speed, wherein the melting point is 160 ℃, the melt index is 1.9g/10min under the conditions of 230 ℃/2.16kg, the molecular weight distribution is 5.7), and the mixture is mixed by an extruder, extruded, drawn and cut into granules to prepare low-density polyethylene-linear low-density polyethylene-random copolymerized polypropylene foaming master batches with the grain diameter of 0.6-1.0 mm; the temperature of each section of the extruder is set to be 170 ℃, 175 ℃, 180 ℃,190 ℃ and 200 ℃, the screw rotating speed is 2000r/min, and the mixing time is 60min;
(2) Foaming: adding the foaming master batch into a foaming reaction kettle, and injecting supercritical CO 2 Heating to 125 deg.C, gradually pressurizing at 0.75a, 1.5MPa, 3.0MPa, and 4.5MPa,the duration of each period is 30min; instantly releasing the pressure of the reaction kettle to atmospheric pressure through a pressure relief valve to obtain primary foaming particles with bulk density of 55-57 g/L;
(3) And (3) secondary foaming: placing the primary foamed particles at normal temperature for 18h, sealing the primary foamed particles into a pre-pressing tank, carrying pressure by using air, wherein the pressure carrying pressure is 0.3MPa, the pressure carrying time is 12h, and the primary foamed particles after carrying pressure are heated and expanded in a normal-pressure circulation foaming pipeline at the temperature of 85-90 ℃ to form a secondary foamed particle finished product with the bulk density of 23-24 g/L;
(4) Molding: maintaining the pressure of the prepared foamed polyethylene particles in a pressure maintaining tank, and then sending the foamed polyethylene particles into a mold for steam forming, wherein the steam pressure is 0.3Mba, the heating time is 10s, and the water cooling time is 20s, so that a foamed core plate with the thickness of 2.5mm is obtained;
(5) Compounding: the foamed polyethylene sheet was passed sequentially through a 0.03mm thick polymeric adhesive film (DUPONT 753,95% pure film) and a 0.25mm thick surface cleaned aluminum roll, and the first compounding roller controlled temperature: 95 ℃, and controlling the temperature of the second compound roller: 140 ℃, temperature control of the first hot-pressing roller: and (3) controlling the temperature of a second hot-pressing roller: 90 ℃, hot pressing control pressure: 0.3MPa, cooling process parameters: the temperature of the surface of the composite board after cooling is 45 ℃.
Comparative example 1:
(1) Preparing a foaming master batch: 100 parts of low-density polyethylene resin (density is 0.915-0.917 g/cm) 3 Uniformly mixing 5 parts of compatilizer maleic anhydride grafted POE (Exxelor PO 1020) and 3 parts of foaming nucleation auxiliary agent nano aluminum oxide at a high speed, wherein the melting point is 108 ℃, the melt index is 2.3g/10min under the conditions of 190 ℃/2.16kg, and mixing, extruding, drawing and granulating by an extruder to prepare low-density polyethylene foaming master batches with the particle size of 0.6-1.0 mm; the temperature of each section of the extruder is set to be 170 ℃, 175 ℃, 180 ℃,190 ℃ and 200 ℃, the screw rotating speed is 2000r/min, and the mixing time is 60min;
(2) Foaming: adding the foaming master batch into a foaming reaction kettle, and injecting supercritical CO 2 Heating to 105 deg.C, and gradually pressurizing at 0.75a, 1.5MPa, 3.0MPa, and 4.5MPa for 30min; the pressure of the reaction kettle is instantly released to atmospheric pressure through a pressure relief valve,obtaining primary foaming particles with the bulk density of 62-64 g/L;
(3) And (3) secondary foaming: placing the primary foamed particles at normal temperature for 18h, sealing the primary foamed particles into a pre-pressing tank, carrying pressure by using air, wherein the pressure carrying pressure is 0.3MPa, the pressure carrying time is 12h, and the primary foamed particles after carrying pressure are heated and expanded in a normal-pressure circulation foaming pipeline at the temperature of 85-90 ℃ to form a secondary foamed bead finished product with the bulk density of 28-30 g/L;
(4) Molding: maintaining the pressure of the prepared foamed polyethylene particles in a pressure maintaining tank, and then sending the foamed polyethylene particles into a mold for steam forming, wherein the steam pressure is 0.3Mba, the heating time is 10s, and the water cooling time is 20s, so that a foamed core plate with the thickness of 2.5mm is obtained;
(5) Compounding: a foamed polyethylene sheet was sequentially passed through a polymer adhesive film (DUPONT 753,95% pure film) of 0.03mm thickness and a surface-cleaned aluminum roll of 0.25mm thickness compounded up and down, and a first compounding roller controlled temperature: and (3) controlling the temperature of the second compound roller: 140 ℃, temperature control of the first hot-pressing roller: and (3) controlling the temperature of a second hot-pressing roller: 90 ℃, hot pressing control pressure: 0.3MPa, cooling process parameters: the temperature of the surface of the cooled composite board is 45 ℃.
Comparative example 2:
(1) Preparing a foaming master batch: 60 parts of low-density polyethylene resin (density is 0.915-0.917 g/cm) 3 30 parts of linear low-density polyethylene resin (the density is 0.910 to 0.912 g/cm) 3 Melting point of 124 ℃, melt index of 1.1g/10min under the condition of 190 ℃/2.16kg, 10 parts of polypropylene random copolymer resin (propylene random copolymer, propylene content is 95 percent, density is 0.896-0.898 g/cm) 3 Uniformly mixing 5 parts of compatilizer maleic anhydride grafted POE (Exxelor PO 1020) and 3 parts of foaming nucleating additive nano-alumina at a high speed, wherein the melting point is 160 ℃, the melt index is 1.9g/10min under the conditions of 230 ℃/2.16kg, the molecular weight distribution is 5.7), and the mixture is mixed by an extruder, extruded, drawn and cut into granules to prepare low-density polyethylene-linear low-density polyethylene-random copolymerized polypropylene foaming master batches with the grain diameter of 0.6-1.0 mm; the temperature of each section of the extruder is set to be 170 ℃, 175 ℃, 180 ℃,190 ℃ and 200 ℃,the screw rotating speed is 2000r/min, and the mixing time is 60min;
(2) Foaming: adding the foaming master batch into a foaming reaction kettle, and injecting supercritical CO 2 Heating to 125 deg.C, pressurizing to 3.0MPa, and maintaining for 60min; instantly releasing the pressure of the reaction kettle to atmospheric pressure through a pressure relief valve to obtain primary foamed particles with the bulk density of 85-88 g/L;
(3) And (3) secondary foaming: placing the primary foamed particles at normal temperature for 18h, sealing the primary foamed particles into a pre-pressing tank, carrying pressure by using air, wherein the pressure carrying pressure is 0.3MPa, the pressure carrying time is 12h, and the primary foamed particles after carrying pressure are heated and expanded in a normal-pressure circulation foaming pipeline at the temperature of 85-90 ℃ to form a secondary foamed particle finished product with the bulk density of 41-43 g/L;
(4) Molding: maintaining the pressure of the prepared foamed polyethylene particles in a pressure maintaining tank, and then sending the foamed polyethylene particles into a mold for steam forming, wherein the steam pressure is 0.3Mba, the heating time is 10s, and the water cooling time is 20s, so that a foamed core plate with the thickness of 2.5mm is obtained;
(5) Compounding: a foamed polyethylene sheet was sequentially passed through a polymer adhesive film (DUPONT 753,95% pure film) of 0.03mm thickness and a surface-cleaned aluminum roll of 0.25mm thickness compounded up and down, and a first compounding roller controlled temperature: and (3) controlling the temperature of the second compound roller: 140 ℃, temperature control of the first hot-pressing roller: 95 ℃, and controlling the temperature of a second hot-pressing roller: 90 ℃, hot pressing control pressure: 0.3MPa, cooling process parameters: the temperature of the surface of the composite board after cooling is 45 ℃.
And (3) product performance testing:
the above description is only a preferred embodiment of the present invention, and it should be noted that, for a person skilled in the art, several modifications and additions can be made without departing from the method of the present invention, and these modifications and additions should also be considered as the protection scope of the present invention.
Claims (10)
1. A foam core metal composite plate sequentially comprises from top to bottom: the foamed core plate is prepared by foaming 50-80 parts of low-density polyethylene resin, 20-40 parts of linear low-density polyethylene resin and 5-15 parts of random copolymer polypropylene resin to obtain foamed beads with the bulk density of 15-30 g/L, and then extruding the foamed beads.
2. The foam core metal composite plate according to claim 1, wherein the low density polyethylene resin has a density of 0.90 to 0.93g/cm 3 The melting point is 105-113 ℃, and the melt index is 1.5-4.0 g/10min under the condition of 190 ℃/2.16 kg; the amount of the low density polyethylene resin may be 60 to 70 parts.
3. The foam core metal composite plate according to claim 1, wherein the linear low density polyethylene resin has a density of 0.90 to 0.915g/cm 3 The melting point is 120-130 ℃, and the melt index is 0.5-3.0 g/10min under the condition of 190 ℃/2.16 kg; the amount of the linear low density polyethylene resin may be 25 to 35 parts.
4. The foam core metal composite plate according to claim 1, wherein the random copolymer polypropylene resin is one or more of a polypropylene-butadiene random copolymer polypropylene resin and a polypropylene-butadiene random copolymer polypropylene resin; the mass percentage content of propylene in the random copolymerization polypropylene resin is more than or equal to 90 percent, and the density is 0.89-0.91 g/cm 3 The melting point is 155-170 ℃, the melt index is 1.5-2.8 g/10min under the condition of 230 ℃/2.16kg, and the molecular weight distribution is 5.5-6.3; the amount of the random copolymerized polypropylene resin may be 8 to 12 parts.
5. The foamed core metal composite panel according to claim 1, wherein the foamed polyethylene core panel is made by:
(1) Preparing a foaming master batch: uniformly mixing 50-80 parts of low-density polyethylene resin, 20-40 parts of linear low-density polyethylene resin, 5-15 parts of random copolymerization polypropylene resin, 3-10 parts of compatilizer, 2-6 parts of foaming nucleation auxiliary agent and optional processing auxiliary agent at a high speed, and mixing, extruding, drawing and granulating the mixture by using an extruder to prepare foaming master batches with the particle size of 0.5-2.0 mm;
(2) Foaming: adding the foaming master batch into a foaming reaction kettle, and injecting supercritical CO 2 Heating and gradually pressurizing in sections, wherein the pressures are respectively 0.5-0.9 MPa, 1.2-1.8 MPa, 2.4-3.6 MPa and 4-5 MPa, and the time of each section is 10-40 min; instantly releasing the pressure of the reaction kettle to atmospheric pressure through a pressure relief valve to obtain primary foamed particles with the bulk density of 35-80 g/L;
(3) And (3) secondary foaming: placing the primary foamed particles at normal temperature for 12-24 h, sealing the primary foamed particles in a pre-pressing tank, carrying pressure by using air, wherein the carrying pressure is 0.2-0.5 MPa, and heating and expanding the primary foamed particles after carrying pressure in a normal-pressure flowing foaming pipeline at the temperature of 80-95 ℃ to form secondary foamed particles with the bulk density of 15-30 g/L;
(4) Molding: and (3) keeping the pressure of the prepared secondary expanded beads in a pressure maintaining tank, and then conveying the beads into a mold for steam forming to obtain the expanded polyethylene plate.
6. The foam core metal composite plate according to claim 5, wherein the temperature of each section of the extruder in the step (1) is set to 165-172 ℃, 174-178 ℃, 180-185 ℃, 188-192 ℃ and 195-200 ℃, the screw rotation speed is 500-3000 r/min, and the mixing time is 30-90 min; the particle size of the foaming master batch is preferably 0.6-1.0 mm.
7. The foam core metal composite plate according to claim 5, wherein the primary foam beads have a bulk density of 40 to 60g/L; the secondary expanded beads have a bulk density of 20 to 25g/L.
8. The foam core metal composite plate according to claim 5, wherein the steam pressure for steam forming in step (4) is 0.15-0.6 Mba, the heating time is 5-15 s, and the water cooling time is 15-25 s.
9. The method of making a foam core metal composite panel according to claim 1, the method comprising:
(1) Preparing the foaming master batch: uniformly mixing 50-80 parts of low-density polyethylene resin, 20-40 parts of linear low-density polyethylene resin, 5-15 parts of random copolymer polypropylene resin, 3-10 parts of compatilizer, 2-6 parts of foaming nucleation auxiliary agent and optional processing auxiliary agent at a high speed, and mixing, extruding, drawing and granulating the mixture by an extruder to prepare foaming master batches with the particle size of 0.5-2.0 mm;
(2) Foaming: adding the foaming master batch into a foaming reaction kettle, and injecting supercritical CO 2 Heating and gradually pressurizing in sections, wherein the pressures are respectively 0.5-0.9 MPa, 1.2-1.8 MPa, 2.4-3.6 MPa and 4-5 MPa, and the time of each section is 10-40 min; instantly releasing the pressure of the reaction kettle to atmospheric pressure through a pressure relief valve to obtain primary foamed particles with the bulk density of 35-80 g/L;
(3) And (3) secondary foaming: placing the primary foamed particles at normal temperature for 12-24 h, sealing the primary foamed particles in a pre-pressing tank, carrying pressure by using air, wherein the carrying pressure is 0.2-0.5 MPa, and heating and expanding the primary foamed particles after carrying pressure in a normal-pressure flowing foaming pipeline at the temperature of 80-95 ℃ to form secondary foamed particles with the bulk density of 15-30 g/L;
(4) Molding: keeping the pressure of the prepared secondary expanded beads in a pressure maintaining tank, and then sending the beads into a mold for steam forming to obtain a foamed polyethylene plate;
(5) Compounding: and (3) sequentially carrying out a compounding process on the foamed polyethylene plate by virtue of a first high polymer adhesive film, a second high polymer adhesive film, a first aluminum roll and a second aluminum roll which are compounded from top to bottom, and a surface cleaned, so as to obtain the aluminum-plastic composite plate.
10. The preparation method according to claim 9, wherein in the step (5), the foamed polyethylene sheet is sequentially passed through a first polymer adhesive film, a second polymer adhesive film, a first aluminum roll and a second aluminum roll which are compounded from top to bottom, the first compound roll is at a temperature of 90-100 ℃, the second compound roll is at a temperature of 130-150 ℃, the first hot-pressing roll is at a temperature of 90-120 ℃, the second hot-pressing roll is at a temperature of 85-95 ℃, the hot-pressing pressure is at a pressure of 0.2-0.6 MPa, and the temperature of the surface of the cooled composite sheet is not more than 55 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418831.1A CN115895083A (en) | 2022-11-14 | 2022-11-14 | Foam core metal composite plate and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211418831.1A CN115895083A (en) | 2022-11-14 | 2022-11-14 | Foam core metal composite plate and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115895083A true CN115895083A (en) | 2023-04-04 |
Family
ID=86470492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211418831.1A Pending CN115895083A (en) | 2022-11-14 | 2022-11-14 | Foam core metal composite plate and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115895083A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117445497A (en) * | 2023-10-20 | 2024-01-26 | 中阳德欣科技有限公司 | Preparation process of foamed aluminum-plastic composite template with multilayer structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475716A (en) * | 2009-01-19 | 2009-07-08 | 大连亚泰科技新材料有限公司 | Special material for micro-foaming low-smoke halogen-free flame-retardant aluminum plastic composite board and preparation thereof |
| CN103709479A (en) * | 2013-12-18 | 2014-04-09 | 江苏标榜装饰新材料股份有限公司 | Aluminum-plastic composite panel with high rigidity and high bending strength and preparation method of aluminum-plastic composite panel |
| CN109049746A (en) * | 2018-06-11 | 2018-12-21 | 台州市港泰铝塑板有限公司 | The production technology of aluminium-plastic panel |
| CN110181741A (en) * | 2019-06-05 | 2019-08-30 | 浙江众创材料科技有限公司 | Preparation method, polyolefin sheet and its application of expanded polyolefin bead |
| CN113956530A (en) * | 2021-11-02 | 2022-01-21 | 无锡会通轻质材料股份有限公司 | Energy-saving expanded polypropylene bead and molded part thereof |
| CN114456511A (en) * | 2022-01-26 | 2022-05-10 | 无锡会通轻质材料股份有限公司 | Expanded polyolefin bead and preparation method thereof |
-
2022
- 2022-11-14 CN CN202211418831.1A patent/CN115895083A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475716A (en) * | 2009-01-19 | 2009-07-08 | 大连亚泰科技新材料有限公司 | Special material for micro-foaming low-smoke halogen-free flame-retardant aluminum plastic composite board and preparation thereof |
| CN103709479A (en) * | 2013-12-18 | 2014-04-09 | 江苏标榜装饰新材料股份有限公司 | Aluminum-plastic composite panel with high rigidity and high bending strength and preparation method of aluminum-plastic composite panel |
| CN109049746A (en) * | 2018-06-11 | 2018-12-21 | 台州市港泰铝塑板有限公司 | The production technology of aluminium-plastic panel |
| CN110181741A (en) * | 2019-06-05 | 2019-08-30 | 浙江众创材料科技有限公司 | Preparation method, polyolefin sheet and its application of expanded polyolefin bead |
| CN113956530A (en) * | 2021-11-02 | 2022-01-21 | 无锡会通轻质材料股份有限公司 | Energy-saving expanded polypropylene bead and molded part thereof |
| CN114456511A (en) * | 2022-01-26 | 2022-05-10 | 无锡会通轻质材料股份有限公司 | Expanded polyolefin bead and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117445497A (en) * | 2023-10-20 | 2024-01-26 | 中阳德欣科技有限公司 | Preparation process of foamed aluminum-plastic composite template with multilayer structure |
| CN117445497B (en) * | 2023-10-20 | 2024-07-09 | 中阳德欣科技有限公司 | Preparation process of foamed aluminum-plastic composite template with multilayer structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3421213B1 (en) | Method of making coextruded, crosslinked multilayer polyolefin foam structures from recycled crosslinked polyolefin foam material | |
| US4452751A (en) | Styrena polymer foam made with α-polyolefin additives | |
| CN113563814B (en) | Multilayer foamed photovoltaic adhesive film and preparation method thereof | |
| CN113308017B (en) | Expanded polypropylene bead with excellent mechanical strength and molded part thereof | |
| CN104385735A (en) | Colored polyvinyl chloride foamed sheet and preparation method thereof | |
| CN111154427B (en) | Aluminum ceiling glue film structure and aluminum ceiling structure thereof | |
| CN115895083A (en) | Foam core metal composite plate and preparation method thereof | |
| CN111087705B (en) | Foaming composition, foaming material, preparation method and application thereof | |
| CN111117524A (en) | Adhesive resin for aluminum ceiling | |
| JP3117678B2 (en) | Method for producing polyolefin resin foamable composite sheet | |
| CN109181165A (en) | Low-cost polyvinyl chloride acoustic celotex board | |
| CN111660635A (en) | Composite high-strength plastic template and preparation method thereof | |
| JP2008069480A (en) | Method for producing foamed wallpaper | |
| CN108070334A (en) | A kind of composited aluminum and plastic decking adhering resin | |
| CN106047199A (en) | EVA non-asphalt based self-adhesion waterproof coiled material with thermal insulation layer | |
| CN115742489A (en) | Thermal-process aluminum-plastic composite film and preparation method thereof | |
| CN114940878A (en) | Intermediate film of high-strength fireproof laminated glass and preparation method thereof | |
| CN101319066B (en) | High-floating force foam material and method of producing the same | |
| CN116874917B (en) | Polyethylene strong crossed film and preparation method thereof | |
| JP4109377B2 (en) | Method for producing polyolefin resin foam | |
| CN112480845B (en) | Adhesive for heat insulation tile and preparation method thereof | |
| CN114075356B (en) | Polyethylene foam material with gradient pore structure and preparation method and application thereof | |
| CN114395262B (en) | Foaming modified asphalt waterproof coiled material and preparation method thereof | |
| CN116355556B (en) | Hot melt adhesive for aluminum-plastic composite board and preparation method and application thereof | |
| CN114889283B (en) | BOPET film with high adhesive strength and used for primer-free precoating film and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |