CN1273174A - Method for making sandwich plate - Google Patents

Method for making sandwich plate Download PDF

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Publication number
CN1273174A
CN1273174A CN 00109012 CN00109012A CN1273174A CN 1273174 A CN1273174 A CN 1273174A CN 00109012 CN00109012 CN 00109012 CN 00109012 A CN00109012 A CN 00109012A CN 1273174 A CN1273174 A CN 1273174A
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coating
hot
roll
polyethylene
plastic
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朱时贤
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朱时贤
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Priority to CN 00109012 priority Critical patent/CN1273174A/en
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Abstract

A laminated composite plate is made up through pre-degreasing two metal sheets, painting them, coating high-molecular adhesive onto both surface of plastic sheet, attaching said metal sheets to both surfaces of plastic sheet, and cold or hot pressing. Its advantages are simple process, high quality and performance and continuous production. It is suitable for decorative wall board, enternal wall protective plate, advertisement board, etc..

Description

A kind of method for making sandwich plate
The invention belongs to the preparation method of laminates, or rather, is that metal and plastics different materials are had better combination property and are fit to multi-purpose board making method with bond layer is synthetic.
As everyone knows, sheet metal commonly used, its intensity is decided by that thickness, thickness are bigger, intensity is higher, but weight also increases, and makes troubles for carrying and processing, can not directly bend as the metallic plate of the big thickness of processing, welds, makes up after must shearing.Development along with high molecular synthetic material, many people are easy to bend the terrace composite board that shaping, intensity meet the demands in research, as the patent No. is that 91228456.0 disclosed a kind of " sandwich plates " have better comprehensive performance, because it is a utility model patent, only introduce structure, not open to preparation method.
The preparation method that the purpose of this invention is to provide a kind of easy operating, the guaranteed sheet material of product quality.
Main technical schemes of the present invention: earlier pre-degreasing of metal sheet and chromaking are handled, surface-coated coating then, again two sheet-metal plates are superimposed upon the plastic sheet up and down on the top layer that is covered with polymeric adhesive, become required sheet material through cold Compound Machining or hot Compound Machining.
The preparation method of sandwich plate of the present invention comprises that laminating cold compound, sheet presses compound, the continuous roll extrusion of heat, heat compound, continuously agent go out plastic sheet again through compound, the continuous extrusion plastic plate of roll extrusion heat embryo through the compound and continuous coextrusion plastics of roll extrusion heat, bonding agent plate embryo through the hot complex method of roll extrusion, their concrete grammar division is as follows.
1. laminate cold complex method, may further comprise the steps:
(1) metal sheet degreasing, chromaking are handled: metal sheet that 0.05~2.0mm is thick or coiled material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: metal sheet after (1) step degreasing, the chromaking processing or coiled material surface are adopted knife coating or roll coating process mode, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) extrusion plastic sheet material: the plastic pellet that comprises polyvinyl chloride, polyethylene, polypropylene is added inorganic filler 3~10% (containing blowing agent), at 60~100 ℃ of preheating and dryings, through extruder direct extrusion board under 160~230 ℃, 5.0~9.0Mpa, its thickness is 1.0~5mm, take turns at 40~80 ℃ of line pressure 1.5~4.0Mpa cooling formings through the moulding minute surface, make plastic plate become the pore layer that a trickle cavity is evenly distributed, the density after the foaming is 0.5~0.9g/cm 3, cut off into sheet material through the deburring fixed length again;
(4) make composite sheet: the thickness after frosted is handled is the plastic sheet of comprising of 1.0~5mm low foamed polyvinyl chloride, polyethylene, polypropylene, the top layer coating thickness is that the epoxy that comprises of 50~150 μ m is that resin, unsaturated polyester (UP) are the normal temperature of resin or the bonding agent that is heating and curing up and down, top layer stack (2) thereon goes on foot the metal sheet after painting then, add metal sheet after (1) step degreasing, chromaking handled back or the japanning of (2) step in that its following table is stacked, under 0.1~0.5Mpa, 20~130 ℃, be rolled into composite sheet through roller press;
(5) laminate cold Compound Machining: get 100~300 of the composite sheets that make of (3) step overlapping after, through electronic or oil pressure cold press after environment temperature under 0.1~0.25Mpa pressure is solidified 4~24 hours by 25~80 ℃ according to a conventional method on the interlayer composite plate outer surface layer stick the PEF or the polyvinyl chloride book film that are covered with self-adhesive and make diaphragm;
(6) with the finished product trim process.
2. sheet is pressed hot complex method, may further comprise the steps:
(1) metal sheet degreasing, chromaking are handled: metal sheet that 0.05~2.0mm is thick or coiled material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: metal sheet after (1) step degreasing, the chromaking processing or coiled material surface are adopted knife coating or roll coating process mode, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) extrusion plastic roll film material: the plastic pellet that will comprise polyethylene, polypropylene is at 60~100 ℃ of preheating and dryings, through extruder direct extrusion board under 180~240 ℃, 5.0~9.0Mpa, its thickness is 1.0~5mm, through moulding minute surface wheel behind 40~80 ℃ of line pressure 1.5~4.0Mpa cooling formings, deburring and batch and become roll bending again;
(4) the hot Compound Machining of sheet pressure type: through the polyethylene that comprises of moulding and rolling, polypropylene is the roll of plastic sheet material of 1.0~5mm at interior thickness, show the heating of flat top and bottom 80~150 ℃ the time by rolling out it, on up and down surface layer coated behind the hot-melt adhesive membrane bonding agent of the acrylic acid series co-polymer of thickness 30~100 μ m, be cooled to customized cut-off below 70 ℃, top layer stack (2) thereon goes on foot the metal sheet after painting then, its following table is stacked add (1) step degreasing, chromaking is handled the metal sheet after back or the japanning of (2) step, send 125~140 ℃ of backing press heating, pressure 0.15~0.3Mpa, 15~30 seconds time, sheet is pressed into composite sheet;
(5) typing processing: it is overlapping after the hot press that has hot plate up and down to heat to get 100~300 of composite sheets that (3) step makes, after typing in 4~12 hours and being cooled to below 70 ℃, outer surface layer sticks the PEF or the polyvinyl chloride book film that are covered with self-adhesive and makes diaphragm on the interlayer composite plate according to a conventional method under 0.15~0.3Mpa, 60~100 ℃;
(6) with the finished product trim process.
3. the continuous hot complex method of roll extrusion may further comprise the steps:
(1) metal sheet degreasing, chromaking are handled: metal sheet that 0.05~2.0mm is thick or coiled material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: metal sheet after (1) step degreasing, the chromaking processing or coiled material surface are adopted knife coating or roll coating process mode, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) extrusion plastic roll film material: the plastic pellet that will comprise polyethylene, polypropylene is at 60~100 ℃ of preheating and dryings, through extruder direct extrusion board under 180~240 ℃, 5.0~9.0Mpa, through moulding minute surface wheel behind 40~80 ℃ of line pressure 1.5~4.0Mpa cooling formings, deburring and batch and become roll bending again;
(4) the continuous hot Compound Machining of roll extrusion: through the polyethylene that comprises of moulding and rolling, polypropylene is the roll of plastic sheet material of 1.0~5mm at interior thickness, show the heating of flat top and bottom 80~150 ℃ the time by rolling out it, descend top layer coating simultaneously to be coated with metallic coil sheet material or top layer (1) step degreasing that only superposes down after rolling again thereon by the hot-melt adhesive membrane bonding agent of the acrylic acid series co-polymer of 30~100 μ m that send the volume machine to roll out up and down and stack (2) step, the metallic coil sheet material that chromaking is handled, five layers simultaneously at 80~150 ℃, the hot rolling wheel of line pressure 0.4~1.8Mpa carries out compound in advance, through heating furnace retaining plate temperature at 100~180 ℃, again through 100~180 ℃ of back segments, compound and the cold breakdown pinch roller of the hot rolling wheel roll extrusion of line pressure 0.4~1.8Mpa is at 40~90 ℃, when cooling and shaping and cooling section force to be cooled to plate temperature below 70 ℃ under line pressure 0.4~2.5Mpa, outer surface layer sticks the polyethylene or the polyvinyl chloride film that are covered with self-adhesive and makes diaphragm on sandwich plate at last, and becomes the composite board of scale through customized cut-off;
(5) with the finished product trim process.
4. the extrusion plastic sheet material may further comprise the steps again through the hot complex method of roll extrusion continuously:
(1) metal sheet degreasing, chromaking are handled: metal sheet that 0.05~2.0mm is thick or roll film material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: the metallic coil sheet surface after (1) step degreasing, the chromaking processing is adopted modes such as knife coating or roll coating process, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) continuous extrusion plastic sheet material is again through the hot Compound Machining of roll extrusion: will comprise polyethylene, polypropylene at interior plastic pellet at 60~100 ℃ of preheating and dryings, through extruder at 180~240 ℃, 5.0 directly extrude the plastic plate that thickness is 1.0~5mm under the~9.0Mpa, take turns at 40~80 ℃ through the moulding minute surface, descend top layer coating simultaneously by the hot-melt adhesive membrane bonding agent of the acrylic acid series co-polymer of 30~100 μ m that send the volume machine to roll out up and down and the metal sheet after the japanning of stack (2) step or top layer (1) step degreasing that only superposes down behind line pressure 1.5~4.0Mpa cooling forming more thereon, the metal sheet that chromaking is handled, five layers simultaneously at 80~150 ℃, the hot rolling wheel of line pressure 0.4~1.8Mpa carries out compound in advance, through heating furnace retaining plate temperature at 100~180 ℃, again through 100~180 ℃ of back segments, compound and the cold breakdown pinch roller of the hot rolling wheel roll extrusion of line pressure 0.4~1.8Mpa is at 40~90 ℃, when cooling and shaping and cooling section force to be cooled to plate temperature below 70 ℃ under line pressure 0.4~2.5Mpa, outer surface layer sticks the polyethylene that is covered with self-adhesive on sandwich plate at last, polyvinyl chloride film is made diaphragm, and becomes the composite board of scale through customized cut-off;
(4) with the finished product trim process.
5. extrusion plastic plate embryo may further comprise the steps through the hot complex method of roll extrusion continuously:
(1) metal sheet degreasing, chromaking are handled: metal sheet that 0.05~2.0mm is thick or coiled material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: the metallic coil sheet surface after (1) step degreasing, the chromaking processing is adopted knife coating or roll coating process mode, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) continuous extrusion plastic slab is again through the hot Compound Machining of roll extrusion: will comprise polyethylene, polypropylene at interior plastic pellet at 60~100 ℃ of preheating and dryings, through extruder at 180~240 ℃, 5.0 directly extrude the hide that thickness is 1.0~5mm under the~9.0Mpa, simultaneously with by sending the volume machine to roll out up and down and through the hot-melt adhesive membrane bonding agent of the acrylic acid series co-polymer of 30~100 μ m of 50~120 ℃ of preheatings and the metallic coil sheet material after the japanning of stack (2) step or top layer (1) step degreasing that only superposes down, the metallic coil sheet material that chromaking is handled, five layers simultaneously at 80~150 ℃, the hot rolling wheel of line pressure 0.4~1.8Mpa carries out compound in advance, through heating furnace retaining plate temperature at 100~180 ℃, again through 100~180 ℃ of back segments, compound and the cold breakdown pinch roller of the hot rolling wheel roll extrusion of line pressure 0.4~1.8Mpa is at 40~90 ℃, when cooling and shaping and cooling section force to be cooled to plate temperature below 70 ℃ under line pressure 0.4~2.5Mpa, outer surface layer sticks the polyethylene that is covered with self-adhesive on sandwich plate at last, polyvinyl chloride film is made diaphragm, and becomes the composite board of scale through customized cut-off;
(4) with the finished product trim process.
6. coextrusion plastics, bonding agent plate embryo may further comprise the steps through the hot complex method of roll extrusion continuously:
(1) metal sheet degreasing, chromaking are handled: the metallic coil sheet material that 0.05~2.0mm is thick sprays, floods with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: the metallic coil sheet surface after (1) step degreasing, the chromaking processing is adopted modes such as knife coating or roller coating, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) continuous extrusion plastic, the bonding agent slab is through the hot Compound Machining of roll extrusion: will comprise polyethylene, polypropylene at the hot melt adhesive tablet bonding agent of interior plastic pellet and acrylic acid series co-polymer respectively at 60~100 ℃ of preheating and dryings, through two extruders, the amount of squeezing is than being 2~3: 1, at 180~240 ℃, 5.0~9.0Mpa goes out truncation surface ABA with the agent of co-extrusion T pattern down, its A is a bonding agent, thickness 30~100 μ m, B is that the thickness that plastics are arranged is the plate embryo of 1.0~5mm, simultaneously with by sending the volume machine to roll out up and down and through metallic coil sheet material or top layer (1) step degreasing that only superposes down after the japanning of upper and lower surface layer (2) step of being superimposed upon of 50~120 ℃ of preheatings, the metallic coil sheet material that chromaking is handled, three layers simultaneously at 80~150 ℃, the hot rolling wheel of line pressure 0.4~1.8Mpa carries out compound in advance, again through 100~180 ℃ of back segments, compound and the cold breakdown pinch roller of the hot rolling wheel roll extrusion of line pressure 0.4~1.8Mpa is at 40~90 ℃, when cooling and shaping and cooling section force to be cooled to plate temperature below 70 ℃ under line pressure 0.4~2.5Mpa, outer surface layer sticks the polyethylene that is covered with self-adhesive on sandwich plate at last, polyvinyl chloride film is made diaphragm, and becomes the composite board of scale through customized cut-off;
(4) with the finished product trim process.
During roll extrusion described in aforesaid 3~6 method heat is compound in the method that is printed on the plastic sheeting of decorative pattern on the last extexine metal sheet again in the hot transfer decorative pattern of coating or the applying: described composite board is through hot rolling wheel roll extrusion behind the compound and cold breakdown pinch roller cooling and shaping, the unsaturated polyester (UP) of roller coating 5~30 μ m is that resin or epoxy are the bonding agent of resin in interior heating cure again on last extexine metal sheet, the hot transfer printing that will roll out again after 60~120 ℃ of preheatings are with the bonding agent oven dry is printed on the plastic sheeting of decorative pattern at 120~250 ℃ with the film of decorative pattern or the usefulness of fitting, the hot roll extrusion adhesion of line pressure 0.4~2.5Mpa thereon, when forcing to be cooled to the plate temperature below 70 ℃, batch out the film of thermally transferred pattern again, at last sandwich plate be decorative pattern on outer surface layer post the polyethylene or the polyvinyl chloride film that are covered with self-adhesive and do to guarantee film, and become the composite board of scale through customized cut-off.
Metal sheet material of the present invention comprises any in aluminium and aluminium alloy, stainless steel, carbon steel, copper and copper alloy, titanium alloy, the magnesium alloy.
The coat of paint of the present invention can adopt according to the performance requirement of coating and be coated with coating, high temperature baking vanish once, or be coated with coating twice, whenever is coated with a high temperature baking vanish once, perhaps is coated with coating three times, whenever is coated with a climax baking vanish once.
Bonding agent of the present invention, when cold Compound Machining, adopt normal temperature or heat cure material, comprise epoxy resin, polyester tree Buddhist, poly-ammonium ester resin etc., preferably epoxy resin series is being 3~10kg/25mm with GB/T2790 (180 ° of peeling strength test methods of adhesive flexible material is to rigid material) its peel strength of method; During hot Compound Machining, bonding agent adopts polymer copolymerization to close thermoplastic, its one side can with metal material jail knot, another side can be knotted with the plastics jail, is that the PUR series of co-polymer is being 10~35kg/25mm with its peel strength of GB/T2790 method as propylene.
Plastic plate of the present invention, when cold Compound Machining, adopt polyvinyl chloride, polyethylene or the polypropylene of low foaming, preferably adopt polyvinyl chloride and chliorinated polyvinyl chloride mixture, its weight mixing ratio 1~3: 7~9, and add inorganic filler 3~10%, and make plastic plate become the pore layer that a trickle cavity is evenly distributed, the density after the foaming is 0.5~0.9g/cm 3, when hot Compound Machining, adopt the polyethylene of polyethylene, polypropylene and low foaming or the polypropylene of low foaming, preferably adopt the mixture of low density polyethylene (LDPE) or polyethylene and calcium carbonate, its mixing ratio 1: 0.1~0.4, its density are 0.92~1.5g/cm 3If when requiring the difficult combustion of plastic plate and seldom playing cigarette, inorganic filler be can add and a kind of, two or more mixture in the metal oxide, metal hydroxides, carbonic acid metal salt, phosphate metal salt of powdery comprised, the powdered granule that comprises antimony oxide, molybdenum dioxide, di-iron trioxide, cupric oxide, oxidation two bronze medals, nickel oxide, zinc oxide, magnesia, aluminium hydroxide, calcium carbonate, magnesium carbonate, granularity is 0.2~10 μ m, its addition is 1~50%, and its percentage is percetage by weight.
Composite board of the present invention; before stickup is covered with the polyethylene of self-adhesive or polyvinyl chloride diaphragm, can add decorative layer to its metal surface according to a conventional method, this decorative layer can be japanning, erosion carving, printing, electroplate, grind minute surface, fit be printed on that decorative pattern comprises the plastic sheeting of wood grain, bag and hot transfer decorative pattern comprises wood grain, bag any.
Containing in sheet metal degreasing of the present invention, the chromaking processing procedure discharged after alkali, sour waste water are handled by conventional method.
Equipment of the present invention and used sheet metal, plastic plate all are known commercially available prod.
Advantage of the present invention:
Technical process of the present invention is simple, used equipment and raw material all are known, be easy to continuous large-scale production, the product quality and the performance of producing can guarantee by the time, interlayer composite plate in cold Compound Machining mostly adopts acrylic coating, because of coating thin (10~15 μ m), general relatively poor about 2~5 year life-span of weatherability, hot Compound Machining interlayer composite plate mostly adopts poly-difluoroethylene resin (fluorocarbon resin) coating, according to the code requirement in the standard A AMA605.2 of American Architecture AEM, it has excellent weather resistance about life-span more than 15 years; Because the interlayer composite plate of cold Compound Machining adopts the PVC foaming, material is light, and surface smoothness is good, and heat-insulating sound-insulating is effective and do not have the sympathetic response echo, and general a large amount of uses are in dial plate, billboard, indoor compartment and decoration.Hot composite plate adopts the polyethylene board that is added with fillers such as fireproof agent, when can making outer foil material be subjected to the external force percussion firmly, matter is difficult for producing indenture, because polyethylene is added with waterproofing agent, can make sandwich plate when flame is tested, do not produce pernicious gas, can reach the fire protection requirement of B1 level according to the test of GB8624 fire protecting performance, be a kind of fireproof building material; The foaming PVC plastic plate is to adopt the epoxy resin series bonding agent, its bonding strength adopts 180 ° of peel strength tests (GB/T2790) below the 4.0N/mm, the PE plastic plate adopts the polymeric adhesive of two or three copolymers to belong to thermoplastic, rete is 30~50 μ m, its adhesive strength is more than 5.97MPa when its bonding strength (with GB/T2790 method test) more than 8.5N/mm after hot roll extrusion, vertical tearing; Adopt the interlayer composite plate of gross thickness in the hot Compound Machining of 4mm/ aluminum alloy sheet 0.5mm, when testing with the method for GB/T11718.8, its bending strength is below 150MPa, and the modulus of elasticity in static bending is 3.0 * 10 4Below the MPa, weight is at 5.5kg/m 2, it compares with aluminium alloy veneer and stainless steel veneer, and when close rigidity, aluminium alloy veneer relative thickness is at 3.3mm weight 8.9kg/m 2(with interlayer composite plate weight ratio 1: 1.62), stainless steel veneer relative thickness is at 2.4mm weight 18.7kg/m 2(with interlayer composite plate weight ratio 1: 3.4).The sandwich plate that makes according to the present invention is because in light weight, surfacing, rigidity intensity height, good, the no sympathetic response echo of heat-insulating sound-insulating effect, surperficial baking vanish thickness color is even, resistance to acids and bases is good, water proofing property is good, and plate face handling ease can directly be cut required plate, is widely used as indoor and outdoor wall fitting plate, skirting, billboard, road will board, exhibition interseptal board, tunnel skirting, bus body case and the industrial cut stock etc. of building.
Further specify characteristic feature of an invention below by instantiation.
Example 1
This example is the aluminium alloy interlayer composite plate preparation method that skin is used, and detailed process is as follows:
1. aluminum alloy sheet degreasing, chromaking are handled:
(AA3003-H16, thickness 0.5mm) aluminium volume → spray degreasing (10g/L NaOH sig water) → washing → spray neutralization (100g/L NHO 3Rare nitric acid liquid) → washing → chromate epithelium 150mg/M 2(impregnated in and contain CrO 32.5g/L chromate solution) → washing → oven dry (90 ℃ of temperature) → cooling;
2. japanning
(1) step aluminium volume → roller coating epoxy resin primer (thickness 7 μ m) → high temperature baking vanish (250 ℃ * 1 minute) → cooling → roller coating fluorocarbon resin finish paint (thickness 25 μ m) → high temperature baking vanish (260 ℃ * 2 minutes) → cooling → coating aluminium volume;
Continuously extrusion plastic plate embryo through the hot Compound Machining of roll extrusion:
4. finished product trim process:
Deburring scale (book size 1220 * 2440mm * 4.0mm thickness) → quality examination → finished product packing.
Example 2
This example is indoor aluminium alloy interlayer composite plate, the preparation method of the PET film be printed on wood grain or bag decorative pattern of on last appearance aluminium flake, fitting again, and detailed process is as follows:
1. aluminum alloy sheet degreasing, chromaking are handled:
(AA1100-H18, thickness 0.2mm) aluminium volume → spray degreasing (10g/L NaOH sig water) → washing → spray neutralization (100g/L NHO 3Rare nitric acid liquid) → washing → chromate epithelium 120mg/M 2(impregnated in and contain CrO 32.5g/L chromate solution) → washing → oven dry (90 ℃ of temperature) → cooling;
2. japanning
(1) step aluminium volume → roller coating polyester coating (thickness 18 μ m) → high temperature baking vanish (240 ℃ * 2 minutes) → cooling → coating aluminium volume;
Continuously the extrusion plastic sheet material through the hot Compound Machining of roll extrusion:
4. finished product trim process;
Deburring scale (book size 1220 * 2440mm * 3.0mm thickness) → quality examination → finished product packing.

Claims (11)

1. the preparation method of a sandwich plate is characterized in that laminating cold complex method and may further comprise the steps:
(1) metal sheet degreasing, chromaking are handled: metal sheet that 0.05~2.0mm is thick or coiled material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: metal sheet after (1) step degreasing, the chromaking processing or coiled material surface are adopted knife coating or roll coating process mode, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) extrusion plastic sheet material: the plastic pellet that comprises polyvinyl chloride, polyethylene, polypropylene is added inorganic filler 3~10% (containing blowing agent), at 60~100 ℃ of preheating and dryings, through extruder direct extrusion board under 160~230 ℃, 5.0~9.0Mpa, its thickness is 1.0~5mm, take turns at 40~80 ℃ of line pressure 1.5~4.0Mpa cooling formings through the moulding minute surface, make plastic plate become the pore layer that a trickle cavity is evenly distributed, the density after the foaming is 0.5~0.9g/cm 3, cut off into sheet material through the deburring fixed length again;
(4) make composite sheet: the thickness after frosted is handled is the plastic sheet of comprising of 1.0~5mm low foamed polyvinyl chloride, polyethylene, polypropylene, the top layer coating thickness is that the epoxy that comprises of 50~150 μ m is that resin, unsaturated polyester (UP) are the normal temperature of resin or the bonding agent that is heating and curing up and down, top layer stack (2) thereon goes on foot the metal sheet after painting then, add metal sheet after (1) step degreasing, chromaking handled back or the japanning of (2) step in that its following table is stacked, under 0.1~0.5Mpa, 20~130 ℃, be rolled into composite sheet through roller press;
(5) laminate cold Compound Machining: get 100~300 of the composite sheets that make of (3) step overlapping after, through electronic or oil pressure cold press after environment temperature under 0.1~0.25Mpa pressure is solidified 4~24 hours by 25~80 ℃ according to a conventional method on the interlayer composite plate outer surface layer stick the PEF or the polyvinyl chloride book film that are covered with self-adhesive and make diaphragm;
(6) with the finished product trim process.
2. the preparation method of a sandwich plate is characterized in that sheet presses hot complex method, may further comprise the steps:
(1) metal sheet degreasing, chromaking are handled: metal sheet that 0.05~2.0mm is thick or coiled material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing GrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: metal sheet after (1) step degreasing, the chromaking processing or coiled material surface are adopted knife coating or roll coating process mode, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) extrusion plastic roll film material: the plastic pellet that will comprise polyethylene, polypropylene is at 60~100 ℃ of preheating and dryings, through extruder direct extrusion board under 180~240 ℃, 5.0~9.0Mpa, its thickness is 1.0~5mm, through moulding minute surface wheel behind 40~80 ℃ of line pressure 1.5~4.0Mpa cooling formings, deburring and batch and become roll bending again;
(4) the hot Compound Machining of sheet pressure type: through the polyethylene that comprises of moulding and rolling, polypropylene is the roll of plastic sheet material of 1.0~5mm at interior thickness, show the heating of flat top and bottom 80~150 ℃ the time by rolling out it, on up and down surface layer coated behind the hot-melt adhesive membrane bonding agent of the acrylic acid series co-polymer of thickness 30~100 μ m, be cooled to customized cut-off below 70 ℃, top layer stack (2) thereon goes on foot the metal sheet after painting then, its following table is stacked add (1) step degreasing, chromaking is handled the metal sheet after back or the japanning of (2) step, send 125~140 ℃ of backing press heating, pressure 0.15~0.3Mpa, 15~30 seconds time, sheet is pressed into composite sheet;
(5) typing processing: it is overlapping after the hot press that has hot plate up and down to heat to get 100~300 of composite sheets that (3) step makes, after typing in 4~12 hours and being cooled to below 70 ℃, outer surface layer sticks the PEF or the polyvinyl chloride book film that are covered with self-adhesive and makes diaphragm on the interlayer composite plate according to a conventional method under 0.15~0.3Mpa, 60~100 ℃;
(6) with the finished product trim process.
3. the preparation method of a sandwich plate is characterized in that the hot complex method of continuous roll extrusion may further comprise the steps:
(1) metal sheet degreasing, chromaking are handled: metal sheet that 0.05~2.0mm is thick or coiled material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: metal sheet after (1) step degreasing, the chromaking processing or coiled material surface are adopted knife coating or roll coating process mode, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) extrusion plastic roll film material: the plastic pellet that will comprise polyethylene, polypropylene is at 60~100 ℃ of preheating and dryings, through extruder direct extrusion board under 180~240 ℃, 5.0~9.0Mpa, through moulding minute surface wheel behind 40~80 ℃ of line pressure 1.5~4.0Mpa cooling formings, deburring and batch and become roll bending again;
(4) the continuous hot Compound Machining of roll extrusion: through the polyethylene that comprises of moulding and rolling, polypropylene is the roll of plastic sheet material of 1.0~5mm at interior thickness, show the heating of flat top and bottom 80~150 ℃ the time by rolling out it, descend top layer coating simultaneously by the hot-melt adhesive membrane bonding agent of the acrylic acid series co-polymer of 30~100 μ m that send the volume machine to roll out up and down and the metallic coil sheet material after the japanning of stack (2) step or top layer (1) step degreasing that only superposes down more thereon, the metallic coil sheet material that chromaking is handled, five layers simultaneously at 80~150 ℃, the hot rolling wheel of line pressure 0.4~1.8Mpa carries out compound in advance, through heating furnace retaining plate temperature at 100~180 ℃, again through 100~180 ℃ of back segments, compound and the cold breakdown pinch roller of the hot rolling wheel roll extrusion of line pressure 0.4~1.8Mpa is at 40~90 ℃, when cooling and shaping and cooling section force to be cooled to plate temperature below 70 ℃ under line pressure 0.4~2.5Mpa, outer surface layer sticks the polyethylene or the polyvinyl chloride film that are covered with self-adhesive and makes diaphragm on sandwich plate at last, and becomes the composite board of scale through customized cut-off;
(5) with the finished product trim process.
4. the preparation method of a sandwich plate is characterized in that continuous extrusion plastic sheet material again through the hot complex method of roll extrusion, may further comprise the steps:
(1) metal sheet degreasing, chromaking are handled; Metal sheet that 0.05~2.0mm is thick or roll film material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, cleans kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: the metallic coil sheet surface after (1) step degreasing, the chromaking processing is adopted modes such as knife coating or roll coating process, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) continuous extrusion plastic sheet material is again through the hot Compound Machining of roll extrusion: will comprise polyethylene, polypropylene at interior plastic pellet at 60~100 ℃ of preheating and dryings, through extruder at 180~240 ℃, 5.0 directly extrude the plastic plate that thickness is 1.0~5mm under the~9.0Mpa, take turns at 40~80 ℃ through the moulding minute surface, descend top layer coating simultaneously by the hot-melt adhesive membrane bonding agent of the acrylic acid series co-polymer of 30~100 μ m that send the volume machine to roll out up and down and the metal sheet after the japanning of stack (2) step or top layer (1) step degreasing that only superposes down behind line pressure 1.5~4.0Mpa cooling forming more thereon, the metal sheet that chromaking is handled, five layers simultaneously at 80~150 ℃, the hot rolling wheel of line pressure 0.4~1.8Mpa carries out compound in advance, through heating furnace retaining plate temperature at 100~180 ℃, again through 100~180 ℃ of back segments, compound and the cold breakdown pinch roller of the hot rolling wheel roll extrusion of line pressure 0.4~1.8Mpa is at 40~90 ℃, when cooling and shaping and cooling section force to be cooled to plate temperature below 70 ℃ under line pressure 0.4~2.5Mpa, outer surface layer sticks the polyethylene that is covered with self-adhesive on sandwich plate at last, polyvinyl chloride film is made diaphragm, and becomes the composite board of scale through customized cut-off;
(4) with the finished product trim process.
5. the preparation method of a sandwich plate is characterized in that continuous extrusion plastic slab through the hot complex method of roll extrusion, may further comprise the steps:
(1) metal sheet degreasing, chromaking are handled: metal sheet that 0.05~2.0mm is thick or coiled material spray, flood with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning; Metallic coil sheet surface after (1) step degreasing, the chromaking processing is adopted knife coating or roll coating process mode, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) continuous extrusion plastic slab is again through the hot Compound Machining of roll extrusion: will comprise polyethylene, polypropylene at interior plastic pellet at 60~100 ℃ of preheating and dryings, through extruder at 180~240 ℃, 5.0 directly extrude the hide that thickness is 1.0~5mm under the~9.0Mpa, simultaneously with by sending the volume machine to roll out up and down and through the hot-melt adhesive membrane bonding agent of the acrylic acid series co-polymer of 30~100 μ m of 50~120 ℃ of preheatings and the metallic coil sheet material after the japanning of stack (2) step or top layer (1) step degreasing that only superposes down, the metallic coil sheet material that chromaking is handled, five layers simultaneously at 80~150 ℃, the hot rolling wheel of line pressure 0.4~1.8Mpa carries out compound in advance, through heating furnace retaining plate temperature at 100~180 ℃, again through 100~180 ℃ of back segments, compound and the cold breakdown pinch roller of the hot rolling wheel roll extrusion of line pressure 0.4~1.8Mpa is at 40~90 ℃, when cooling and shaping and cooling section force to be cooled to plate temperature below 70 ℃ under line pressure 0.4~2.5Mpa, outer surface layer sticks the polyethylene that is covered with self-adhesive on sandwich plate at last, polyvinyl chloride film is made diaphragm, and becomes the composite board of scale through customized cut-off;
(4) with the finished product trim process.
6. the preparation method of a sandwich plate is characterized in that continuous extrusion plastic, bonding slab through the hot complex method of roll extrusion, may further comprise the steps:
(1) metal sheet degreasing, chromaking are handled: the metallic coil sheet material that 0.05~2.0mm is thick sprays, floods with the employing of concentration 8.5~20g/L NaOH sig water earlier or the mode of scrubbing is removed lipid and other dirt on surface, clean kish surface alkali lye with running water again, again via containing CrO 31.0 the chromate solution of~5.0g/L adopts spray, dipping or brushing mode, makes metal surface produce the chromate epithelium with anticorrosive and higher coating adhesion, rete is 100~250mg/m 2, at last 60~100 ℃ of oven dry down;
(2) japanning: the metallic coil sheet surface after (1) step degreasing, the chromaking processing is adopted modes such as knife coating or roller coating, coat acrylic coating, Polyester resin lacquer or the poly-difluoroethylene cold coating of one deck thickness 10~45 μ m, toast 1~3min down at 180~270 ℃, be cooled to room temperature then;
(3) continuous extrusion plastic, the bonding agent slab is through the hot Compound Machining of roll extrusion: will comprise polyethylene, polypropylene at the hot melt adhesive tablet bonding agent of interior plastic pellet and acrylic acid series co-polymer respectively at 60~100 ℃ of preheating and dryings, through two extruders, the amount of squeezing is than being 2~3: 1, at 180~240 ℃, 5.0~9.0Mpa goes out truncation surface ABA with the agent of co-extrusion T pattern down, its A is a bonding agent, thickness 30~100 μ m, B is that the thickness that plastics are arranged is the plate embryo of 1.0~5mm, simultaneously with by sending the volume machine to roll out up and down and through metallic coil sheet material or top layer (1) step degreasing that only superposes down after the japanning of upper and lower surface layer (2) step of being superimposed upon of 50~120 ℃ of preheatings, the metallic coil sheet material that chromaking is handled, three layers simultaneously at 80~150 ℃, the hot rolling wheel of line pressure 0.4~1.8Mpa carries out compound in advance, again through 100~180 ℃ of back segments, compound and the cold breakdown pinch roller of the hot rolling wheel roll extrusion of line pressure 0.4~1.8Mpa is at 40~90 ℃, when cooling and shaping and cooling section force to be cooled to plate temperature below 70 ℃ under line pressure 0.4~2.5Mpa, outer surface layer sticks the polyethylene that is covered with self-adhesive on sandwich plate at last, polyvinyl chloride film is made diaphragm, and becomes the composite board of scale through customized cut-off;
(4) with the finished product trim process.
7. according to claim 3,4,5 or 6 described methods, it is characterized in that described roll extrusion heat compound in the method that is printed on the plastic sheeting of decorative pattern on the last extexine metal sheet again in the hot transfer decorative pattern of coating or the applying: described composite board is through hot rolling wheel roll extrusion behind the compound and cold breakdown pinch roller cooling and shaping, the unsaturated polyester (UP) of roller coating 5~30 μ m is that resin or epoxy are the bonding agent of resin in interior heating cure again on last extexine metal sheet, the hot transfer printing that will roll out again after 60~120 ℃ of preheatings are with the bonding agent oven dry is printed on the plastic sheeting of decorative pattern at 120~250 ℃ with the film of decorative pattern or the usefulness of fitting, the hot roll extrusion adhesion of line pressure 0.4~2.5Mpa thereon, when forcing to be cooled to the plate temperature below 70 ℃, batch out the film of thermally transferred pattern again, at last sandwich plate be decorative pattern on outer surface layer post the polyethylene or the polyvinyl chloride film that are covered with self-adhesive and do to guarantee film, and become the composite board of scale through customized cut-off.
8. according to claim 1,2,3,4,5 or 6 described methods, it is characterized in that described metal sheet or coiled material material comprise any in aluminium and aluminium alloy, stainless steel, carbon steel, copper and copper alloy, titanium alloy, the magnesium alloy.
9. according to claim 1,2,3,4,5 or 6 described methods, it is characterized in that described plastic plate comprises polyethylene, polypropylene, polyvinyl chloride reaches and adds fireproof agent as required, blowing agent, organic or inorganic inserts mixture, when cold Compound Machining, adopt the polyvinyl chloride of low foaming, polyethylene or polypropylene, preferably adopt polyvinyl chloride and chliorinated polyvinyl chloride mixture, its weight mixing ratio 1~3: 7~9, and interpolation inorganic filler 3~10%, make plastic plate become the pore layer that a trickle cavity is evenly distributed, the density after the foaming is 0.5~0.9g/cm 3, when hot Compound Machining, adopt the polyethylene of polyethylene, polypropylene and low foaming or the polypropylene of low foaming, preferably adopt the mixture of low density polyethylene (LDPE) or polyethylene and calcium carbonate, its mixing ratio 1: 0.1~0.4, its density are 0.92~1.5g/cm 3If when requiring the difficult combustion of plastic plate and seldom playing cigarette, inorganic filler be can add and a kind of, two or more mixture in the metal oxide, metal hydroxides, carbonic acid metal salt, phosphate metal salt of powdery comprised, the powdered granule that comprises antimony oxide, molybdenum dioxide, di-iron trioxide, cupric oxide, oxidation two bronze medals, nickel oxide, zinc oxide, magnesia, aluminium hydroxide, calcium carbonate, magnesium carbonate, granularity is 0.2~10 μ m, its addition is 1~50%, and its percentage is percetage by weight.
10. according to claim 1,2,3,4,5 or 6 described methods, it is characterized in that described when japanning in (2) step can adopt according to the performance requirement of coating be coated with coating, high temperature baking vanish once, or be coated with coating twice, whenever be coated with a high temperature baking vanish once, perhaps be coated with coating three times, whenever be coated with a climax baking vanish once.
11. according to claim 1,2,3,4,5 or 6 described methods; it is characterized in that the composite board made; before stickup is covered with the polyethylene of self-adhesive or polyvinyl chloride diaphragm, can add decorative layer to its metal surface according to a conventional method, this decorative layer can be japanning, erosion carving, printing, electroplate, grind minute surface, fit be printed on that decorative pattern comprises the plastic sheeting of wood grain, bag and hot transfer decorative pattern comprises wood grain, bag any.
CN 00109012 2000-06-02 2000-06-02 Method for making sandwich plate Pending CN1273174A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002081201A1 (en) * 2001-04-03 2002-10-17 Meng Chen Decorative metal composite panal
CN102352052A (en) * 2011-08-04 2012-02-15 南京法宁格节能科技有限公司 Production method of polyethylene high foamed sheet over 20mm in thickness
CN101177054B (en) * 2007-12-05 2012-11-21 魏宝华 Technology for manufacturing aluminum plate with polymeric membrane
CN101623944B (en) * 2009-08-10 2013-08-21 北京华盛荣镁业科技有限公司 Magnesium alloy sandwich plate and preparation method thereof
CN103467841A (en) * 2012-06-08 2013-12-25 深圳天派门窗科技有限公司 Aluminum-plastic-wood composite material and preparation method thereof
CN103722747A (en) * 2013-12-31 2014-04-16 山东华信塑胶股份有限公司 Preparation method of metal coated PVC (Polyvinyl Chloride) sectional material for improving plasticity
US9017565B2 (en) 2008-06-19 2015-04-28 Samsung Heavy Ind. Co., Ltd. Insulation structure of LNG carrier cargo tank and method for constructing the same
CN104785618A (en) * 2014-08-07 2015-07-22 深圳市穹明科技有限公司 Automatic single-sided metal composite wallboard producing method
CN105361483A (en) * 2015-09-29 2016-03-02 广西平果恒通铜铝门业有限公司 Method for making imitated wood furniture boards by aluminum products
CN105415807A (en) * 2016-01-12 2016-03-23 赵家生 Stainless steel composite plate
CN105437655A (en) * 2015-12-11 2016-03-30 江苏博腾新材料股份有限公司 Aluminum composite board and processing technology thereof
CN105538825A (en) * 2015-12-11 2016-05-04 江苏博腾新材料股份有限公司 Real wood composite board and processing technology thereof
CN106042986A (en) * 2016-07-27 2016-10-26 李雷 Thermal compounded steel-aluminum compounded conductive rail and manufacturing method
CN106166885A (en) * 2016-07-28 2016-11-30 东莞市上为实业有限公司 The preparation method of PVC foam PLASTIC LAMINATED
CN106977836A (en) * 2017-03-16 2017-07-25 浙江三和塑料有限公司 A kind of PVC sheet alloys and preparation method thereof
CN107249771A (en) * 2015-02-04 2017-10-13 蒂森克虏伯钢铁欧洲股份公司 For the component for manufacturing the method for the component being made up of sandwich material and being made up of sandwich material
CN112196176A (en) * 2020-09-27 2021-01-08 衡阳凌云特种材料有限公司 Multilayer composite corrosion-resistant heat-insulating material and preparation method thereof

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002081201A1 (en) * 2001-04-03 2002-10-17 Meng Chen Decorative metal composite panal
CN101177054B (en) * 2007-12-05 2012-11-21 魏宝华 Technology for manufacturing aluminum plate with polymeric membrane
US9017565B2 (en) 2008-06-19 2015-04-28 Samsung Heavy Ind. Co., Ltd. Insulation structure of LNG carrier cargo tank and method for constructing the same
CN101623944B (en) * 2009-08-10 2013-08-21 北京华盛荣镁业科技有限公司 Magnesium alloy sandwich plate and preparation method thereof
CN102352052A (en) * 2011-08-04 2012-02-15 南京法宁格节能科技有限公司 Production method of polyethylene high foamed sheet over 20mm in thickness
CN102352052B (en) * 2011-08-04 2013-01-02 南京法宁格节能科技有限公司 Production method of polyethylene high foamed sheet over 20mm in thickness
CN103467841B (en) * 2012-06-08 2016-03-02 深圳天派门窗科技有限公司 A kind of Aluminum-plastic-woocomposite composite material and preparation method thereof
CN103467841A (en) * 2012-06-08 2013-12-25 深圳天派门窗科技有限公司 Aluminum-plastic-wood composite material and preparation method thereof
CN103722747A (en) * 2013-12-31 2014-04-16 山东华信塑胶股份有限公司 Preparation method of metal coated PVC (Polyvinyl Chloride) sectional material for improving plasticity
CN103722747B (en) * 2013-12-31 2016-04-13 山东华信塑胶股份有限公司 A kind of preparation method improving plastic metal film coated PVC profile
CN104785618A (en) * 2014-08-07 2015-07-22 深圳市穹明科技有限公司 Automatic single-sided metal composite wallboard producing method
CN107249771B (en) * 2015-02-04 2019-11-15 蒂森克虏伯钢铁欧洲股份公司 Component for manufacturing the method for the component being made of sandwich material and being made of sandwich material
CN107249771A (en) * 2015-02-04 2017-10-13 蒂森克虏伯钢铁欧洲股份公司 For the component for manufacturing the method for the component being made up of sandwich material and being made up of sandwich material
CN105361483A (en) * 2015-09-29 2016-03-02 广西平果恒通铜铝门业有限公司 Method for making imitated wood furniture boards by aluminum products
CN105538825A (en) * 2015-12-11 2016-05-04 江苏博腾新材料股份有限公司 Real wood composite board and processing technology thereof
CN105437655A (en) * 2015-12-11 2016-03-30 江苏博腾新材料股份有限公司 Aluminum composite board and processing technology thereof
CN105415807A (en) * 2016-01-12 2016-03-23 赵家生 Stainless steel composite plate
CN106042986A (en) * 2016-07-27 2016-10-26 李雷 Thermal compounded steel-aluminum compounded conductive rail and manufacturing method
CN106166885A (en) * 2016-07-28 2016-11-30 东莞市上为实业有限公司 The preparation method of PVC foam PLASTIC LAMINATED
CN106166885B (en) * 2016-07-28 2018-10-16 东莞市上为实业有限公司 The preparation method of PVC foam fire-proof plate
CN106977836A (en) * 2017-03-16 2017-07-25 浙江三和塑料有限公司 A kind of PVC sheet alloys and preparation method thereof
CN106977836B (en) * 2017-03-16 2020-09-29 浙江三和塑料有限公司 PVC alloy plate and manufacturing method thereof
CN112196176A (en) * 2020-09-27 2021-01-08 衡阳凌云特种材料有限公司 Multilayer composite corrosion-resistant heat-insulating material and preparation method thereof

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