CN103722862A - Preparation method of metal film-coated PVC (polyvinyl chloride) profile - Google Patents
Preparation method of metal film-coated PVC (polyvinyl chloride) profile Download PDFInfo
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- CN103722862A CN103722862A CN201310752803.8A CN201310752803A CN103722862A CN 103722862 A CN103722862 A CN 103722862A CN 201310752803 A CN201310752803 A CN 201310752803A CN 103722862 A CN103722862 A CN 103722862A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/915—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means
- B29C48/916—Cooling of flat articles, e.g. using specially adapted supporting means with means for improving the adhesion to the supporting means using vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92923—Calibration, after-treatment or cooling zone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/904—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using dry calibration, i.e. no quenching tank, e.g. with water spray for cooling or lubrication
Abstract
The invention relates to a preparation method of a metal film-coated PVC (polyvinyl chloride) profile. The preparation method comprises the following steps: mixing raw materials, extruding a PVC profile, shaping by cooling in vacuum, coating the profile with a hot melt adhesive and a metal film, and cutting to prepare the metal film-coated PVC profile. According to the preparation method, PVC raw materials and the hot melt adhesive are processed by adopting separate extruders respectively, the bonding strength of the hot melt adhesive is high, the bonding performance of the metal film is relatively uniform and strong, the layering phenomenon is not easily caused, and the continuous production from the hot melt adhesive and PVC raw material powder to the metal film-coated PVC profile can be realized.
Description
Technical field
The present invention relates to a kind of preparation method of covering the PVC section bar of metal film, belong to technical field prepared by composite material.
Background technology
The door and window material used of building construction replaces former timber window and steel sash with aluminium alloy or plastic-steel more and more, and plastic-steel door and window use is more general.Plastic-steel door and window has many advantages, be described as the generation novel energy-conserving door and window emerging after timber window, steel sash, aluminum window, more superior than the sealing of aluminum window and steel sash, heat insulating ability, corrosion resistance, various shapes can be coordinated mutually to have better aesthetic property with all kinds of buildings and can meet individual requirements again, and has good fire line and insulating properties.Yet can there is aging, variable color in plastic-steel section bar for a long time under solar radiation and wind and snow erosion.Not only appearance has affected attractive in appearancely, and the intensity of material also can reduce.
Chinese patent literature CN1631648A(application number: 200510007264.0) disclose a kind of PVC plastic-aluminum co-extrusion section bar and preparation method thereof; Preparation method comprises the steps: A. batching material loading: by formula, polyvinyl chloride resin, auxiliary agent are mixed, from loading hopper, evenly flow into extruder; B. Lining treatment: after the agent of inner lining surface coating viscosity glue, heating, enters extruder co-extruding mould by conveyer belt; C. co-extrusion, Vacuum shaping, cooling and shaping: PVC compound in extruder after heating plasticizing and liner simultaneously by co-extruding mould, PVC compound hot extrude is pressed onto inner lining surface, by Vacuum shaping, cooling and shaping, traction, makes.
But said method is to process without special extruder in the agent of inner lining surface coating viscosity glue, the adhesiving effect that is coated with jelly is not good, and the bonding of metal and PVC is inhomogeneous, and adhesion strength is not high; PVC Surface of profile is not processed, and easily causes metal level aliquation, and is not easy to carry out successional production.The PVC plastic-aluminum co-extrusion section bar of preparation, plasticity is not high, is unfavorable for production and processing.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of preparation method of covering the PVC section bar of metal film.
Terminological interpretation:
The abbreviation of ACR:Acrylic copolymer, is the acrylic acid esters co-polymer with core/shell structure, is the modifier of a kind of high comprehensive performance that polyvinyl chloride (PVC) production field is conventional.
Anti-impact ACR: take and improve the ACR that toughness used as object and be called anti-impact ACR, the conventional raw material in this area.
Processing aid type ACR: take and improve the ACR that processing characteristics used as object and be called processing aid type ACR, the conventional raw material in this area.
Raw material umber of the present invention is weight portion.
Technical scheme of the present invention is as follows:
A preparation method of covering the PVC section bar of metal film, step is as follows:
(1) batch mixing: lubricant, 3-10 part haloflex (CPE), 1-5 part anti-impact type ACR, 0.5-3 part processing aid type ACR and 2-8 part titanium dioxide are put into high speed mixer and mixed and control temperature 105-135 ℃ especially by 100 parts of polyvinyl chloride resin powder, 3-25 part calcium carbonate, 2.5-5 part stabilizing agent, 0.1-1.0 part in-lubricant, 0.2-1.2, after arrival temperature, proceed to cold mixer and be cooled to 20-45 ℃ of blowing, material must be mixed;
(2) the extruding of PVC section bar, vacuum cooled sizing: the material that will be mixed is put into PVC extruder and melt extruded, and through vacuum cooled sizing, obtains PVC section bar;
(3) cover PUR and cover metal film: PVC Surface of profile being carried out at 60～100 ℃ to the pre-heat treatment with heat gun, metallic film surface is carried out to grinding process and remove dust, oxide impurity, PUR melting in PUR extruder is also evenly sprayed on to PVC Surface of profile and/or metallic film surface; Then PVC section bar and metal film are bonded together by film covering device, must cover the PVC section bar of metal film;
(4) excision forming: after cooling, cutting, makes the PVC section bar that metal film is covered on required surface by the PVC section bar that covers metal film.
According to the present invention, preferred, the polyvinyl chloride resin powder described in step (1) is SG-4 or SG-5 type polyvinyl chloride resin powder;
Described calcium carbonate is one or more mixing in precipitated calcium carbonate, powdered whiting, activated Calcium carbonate, nano-calcium carbonate;
Described stabilizing agent is lead salt stabilizer, calcium zinc stabilizer or organic tin stabilizer;
Described in-lubricant is stearic acid, calcium stearate or the mixing of the two, and described external lubricant is one or more mixing in Tissuemat E (PE wax), paraffin, microwax.
According to the present invention, preferably, PVC extruder described in step (2) is double screw extruder, concrete specification is 65 type conical double screw extruders, 80 type conical double screw extruders, 75 type parallel double-screw extruders or 90 type parallel double-screw extruders, and the temperature of PVC extruder is controlled at 150-205 ℃.
According to the present invention, preferred, the PUR extruder described in step (3) is single screw extrusion machine, and concrete specification is 45 types or 55 types, and the temperature of PUR extruder is controlled at 130-180 ℃; PUR extruder is sprayed on PVC Surface of profile and metallic film surface by netted nozzle by the PUR of melting;
Preferably, in step (3), PVC section bar is carried out under the drive of hauling machine at 60～100 ℃ to the pre-heat treatment to PVC Surface of profile through 3～5 pairs of heat guns, by PUR in PUR extruder after melting with spray gun in the mode of spraying at coating one deck PUR of the surface uniform of PVC section bar; With spray gun, in the mode spraying, in the metallic film surface after grinding process, apply uniformly one deck PUR;
The basic resin of described PUR is ethylene-vinyl acetate copolymer (EVA), and the tackifier of PUR are rosin;
Described metal film is aluminium, aluminium alloy, copper or stainless steel membrane, and the thickness of metal film is 0.1-10mm, width 10-200mm.
Heat gun carries out the pre-heat treatment by the form of blowing hot-air to PVC Surface of profile, the object of the pre-heat treatment is to remove moisture and the impurity of PVC Surface of profile, make to be combined with PUR through the PVC Surface of profile of preheating tightr, can also prevent that the surface of PVC section bar from having residual moisture to impact bond effect.Film covering device can be used existing equipment.
According to the present invention, preferred, the type of cooling described in step (4) is air-cooled.Available Air cooler is realized air-cooled cooling.
Beneficial effect of the present invention:
1, the present invention processes PVC raw material and PUR respectively through independent extruder, the adhesion strength of PUR is high, the bonding of metal film is more evenly strong, bond strength is high and be difficult for layering, and can realize the consecutive production that covers the PVC section bar product of metal film from PUR, PVC material powder to surface.
2, the PVC section bar that covers metal film that prepared by the present invention, appearance looks elegant, personalized strong, intensity increases substantially, and do not faded, solved easily aging problem of plastic-steel section bar; And the bonding of metal and PVC is more even, plasticity is strong, is more conducive to production and processing.
The specific embodiment
Below by specific embodiment, the present invention will be further described, but be not limited to this.
Raw materials usedly in embodiment be conventional raw material, device therefor is conventional equipment, commercial product;
Wherein: anti-impact type ACR, processing aid type ACR, Shandong Rui Feng macromolecular material limited company is on sale; Calcium zinc stabilizer, Liaocheng City Zhen Yu chemical assistant Co., Ltd is on sale.
Embodiment 1
Cover the preparation of the PVC section bar of aluminium film, the thickness of aluminium film is 0.3mm, and step is as follows:
(1) batch mixing: by 100kg SG-5 type polyvinyl chloride resin powder, 10kg precipitated calcium carbonate, 3.5kg calcium zinc stabilizer, 0.8kg stearic acid, 0.5kg calcium stearate, 0.5kg PE wax, 6kg CPE, 3kg anti-impact ACR, 1kg processing aid type ACR and 5kg titanium dioxide are put into high speed mixer and are mixed and control 120 ℃ of temperature, after arrival temperature, proceed to cold mixer and be cooled to 40 ℃ of blowings, material must be mixed;
(2) the extruding of PVC section bar, vacuum cooled sizing: the material that will be mixed is put into 65 type conical double screw extruders and melt extruded, and the temperature of extruder is controlled at 160-205 ℃; Through vacuum cooled sizing, obtain PVC section bar;
(3) cover PUR and cover aluminium film: PVC Surface of profile being carried out at 60～70 ℃ to the pre-heat treatment with heat gun, aluminium film surface is carried out to grinding process and remove dust, oxide impurity, by PUR melting be evenly sprayed on PVC Surface of profile and aluminium film surface with spray gun in 45 type single screw extrusion machines, the temperature of extruder is controlled at 140-180 ℃; Then the PVC section bar that is coated with PUR is bonded together by laminating machine with the aluminium film that is coated with PUR, must covers the PVC section bar of aluminium film;
(4) excision forming: the PVC section bar that covers aluminium film, after Air cooler is cooling, is cut, make the PVC section bar of required aluminium-coating surface film.
Embodiment 2
The preparation of the PVC section bar of copper membrane, the thickness of copper film is 2mm, step is as follows:
(1) batch mixing: by 100kg SG-4 type polyvinyl chloride resin powder, 12kg activated Calcium carbonate, 3.8kg calcium zinc stabilizer, 0.5kg stearic acid, 0.3kg calcium stearate, 0.6kg PE wax, 3kg CPE, 3kg anti-impact ACR, 0.8kg processing aid type ACR and 4kg titanium dioxide are put into high speed mixer and are mixed and control 125 ℃ of temperature, after arrival temperature, proceed to cold mixer and be cooled to 45 ℃ of blowings, material must be mixed;
(2) the extruding of PVC section bar, vacuum cooled sizing: the material that will be mixed is put into 80 type conical double screw extruders and melt extruded, and the temperature of extruder is controlled at 165-200 ℃; Through vacuum cooled sizing, obtain PVC section bar;
(3) cover PUR and copper membrane: PVC Surface of profile is carried out at 70～80 ℃ to the pre-heat treatment with heat gun, grinding process is carried out in copper film surface and remove dust, oxide impurity, by PUR melting be evenly sprayed on PVC Surface of profile and copper film surface with spray gun in 45 type single screw extrusion machines, the temperature of extruder is controlled at 135-175 ℃; Then the PVC section bar that is coated with PUR is bonded together by laminating machine with the copper film that is coated with PUR, obtains the PVC section bar of copper membrane;
(4) excision forming: the PVC section bar of copper membrane, after Air cooler is cooling, is cut, make the PVC section bar of required surperficial copper membrane.
Embodiment 3
The preparation of the PVC section bar of coating stainless steel film, the thickness of stainless steel membrane is 6mm, step is as follows:
(1) batch mixing: by 100kg SG-5 type polyvinyl chloride resin powder, 25kg activated Calcium carbonate, 5kg organic tin stabilizer, 0.5kg stearic acid, 0.5kg calcium stearate, 1.2kg PE wax, 10kg CPE, 5kg anti-impact ACR, 3kg processing aid type ACR and 8kg titanium dioxide are put into high speed mixer and are mixed and control 135 ℃ of temperature, after arrival temperature, proceed to cold mixer and be cooled to 30 ℃ of blowings, material must be mixed;
(2) the extruding of PVC section bar, vacuum cooled sizing: the material that will be mixed is put into 90 type parallel double-screw extruders and melt extruded, and the temperature of extruder is controlled at 180-205 ℃; Through vacuum cooled sizing, obtain PVC section bar;
(3) cover PUR and coating stainless steel film: PVC Surface of profile is carried out at 80～90 ℃ to the pre-heat treatment with heat gun, grinding process is carried out in stainless steel membrane surface and remove dust, oxide impurity, by PUR melting be evenly sprayed on PVC Surface of profile and stainless steel membrane surface with spray gun in 55 type single screw extrusion machines, the temperature of extruder is controlled at 150-180 ℃; Then the PVC section bar that is coated with PUR is bonded together by laminating machine with the stainless steel membrane that is coated with PUR, obtains the PVC section bar of coating stainless steel film;
(4) excision forming: the PVC section bar of coating stainless steel film, after Air cooler is cooling, is cut, make the PVC section bar of required surperficial coating stainless steel film.
Embodiment 4
Cover the preparation of the PVC section bar of aluminium film, the thickness of aluminium film is 1mm, and step is as follows:
(1) batch mixing: by 100kg SG-5 type polyvinyl chloride resin powder, 3kg precipitated calcium carbonate, 2.5kg calcium zinc stabilizer, 0.3kg stearic acid, 0.2kg calcium stearate, 0.5kg PE wax, 6kg CPE, 1kg anti-impact ACR, 0.5kg processing aid type ACR and 2kg titanium dioxide are put into high speed mixer and are mixed and control 105 ℃ of temperature, after arrival temperature, proceed to cold mixer and be cooled to 20 ℃ of blowings, material must be mixed;
(2) the extruding of PVC section bar, vacuum cooled sizing: the material that will be mixed is put into 65 type conical double screw extruders and melt extruded, and the temperature of extruder is controlled at 150-195 ℃; Through vacuum cooled sizing, obtain PVC section bar;
(3) cover PUR and cover aluminium film: PVC Surface of profile being carried out at 90～100 ℃ to the pre-heat treatment with heat gun, aluminium film surface is carried out to grinding process and remove dust, oxide impurity, by PUR melting be evenly sprayed on PVC Surface of profile and aluminium film surface with spray gun in 45 type single screw extrusion machines, the temperature of extruder is controlled at 130-150 ℃; Then the PVC section bar that is coated with PUR is bonded together by laminating machine with the aluminium film that is coated with PUR, must covers the PVC section bar of aluminium film;
(4) excision forming: the PVC section bar that covers aluminium film, after Air cooler is cooling, is cut, make the PVC section bar of required aluminium-coating surface film.
Claims (10)
1. a preparation method of covering the PVC section bar of metal film, step is as follows:
(1) batch mixing: lubricant, 3-10 part haloflex (CPE), 1-5 part anti-impact type ACR, 0.5-3 part processing aid type ACR and 2-8 part titanium dioxide are put into high speed mixer and mixed and control temperature 105-135 ℃ especially by 100 parts of polyvinyl chloride resin powder, 3-25 part calcium carbonate, 2.5-5 part stabilizing agent, 0.1-1.0 part in-lubricant, 0.2-1.2, after arrival temperature, proceed to cold mixer and be cooled to 20-45 ℃ of blowing, material must be mixed;
(2) the extruding of PVC section bar, vacuum cooled sizing: the material that will be mixed is put into PVC extruder and melt extruded, and through vacuum cooled sizing, obtains PVC section bar;
(3) cover PUR and cover metal film: PVC Surface of profile being carried out at 60～100 ℃ to the pre-heat treatment with heat gun, metallic film surface is carried out to grinding process and remove dust, oxide impurity, PUR melting in PUR extruder is also evenly sprayed on to PVC Surface of profile and/or metallic film surface; Then PVC section bar and metal film are bonded together by film covering device, must cover the PVC section bar of metal film;
(4) excision forming: after cooling, cutting, makes the required PVC section bar that covers metal film by the PVC section bar that covers metal film.
2. the preparation method of covering the PVC section bar of metal film according to claim 1, is characterized in that, the polyvinyl chloride resin powder described in step (1) is SG-4 or SG-5 type polyvinyl chloride resin powder.
3. the preparation method of covering the PVC section bar of metal film according to claim 1, is characterized in that, the calcium carbonate described in step (1) is one or more mixing in precipitated calcium carbonate, powdered whiting, activated Calcium carbonate, nano-calcium carbonate.
4. the preparation method of covering the PVC section bar of metal film according to claim 1, is characterized in that, the stabilizing agent described in step (1) is lead salt stabilizer, calcium zinc stabilizer or organic tin stabilizer.
5. the preparation method of covering the PVC section bar of metal film according to claim 1, it is characterized in that, in-lubricant described in step (1) is stearic acid, calcium stearate or the mixing of the two, and described external lubricant is one or more mixing in Tissuemat E (PE wax), paraffin, microwax.
6. the preparation method of covering the PVC section bar of metal film according to claim 1, is characterized in that, the PVC extruder described in step (2) is double screw extruder, and the temperature of PVC extruder is controlled at 150-205 ℃.
7. the preparation method of covering the PVC section bar of metal film according to claim 1, is characterized in that, the PUR extruder described in step (3) is single screw extrusion machine, and the temperature of PUR extruder is controlled at 130-180 ℃; PUR extruder is sprayed on PVC Surface of profile and metallic film surface by netted nozzle by the PUR of melting; The basic resin of described PUR is ethylene-vinyl acetate copolymer (EVA), and the tackifier of PUR are rosin.
8. the preparation method of covering the PVC section bar of metal film according to claim 1, it is characterized in that, in step (3), PVC section bar is carried out under the drive of hauling machine at 60～100 ℃ to the pre-heat treatment to PVC Surface of profile through 3～5 pairs of heat guns, by PUR in PUR extruder after melting with spray gun in the mode of spraying at coating one deck PUR of the surface uniform of PVC section bar; With spray gun, in the mode spraying, in the metallic film surface after grinding process, apply uniformly one deck PUR.
9. the preparation method of covering the PVC section bar of metal film according to claim 1, is characterized in that, the metal film described in step (3) is aluminium, aluminium alloy, copper or stainless steel membrane, and the thickness of metal film is 0.1-10mm, width 10-200mm.
10. the preparation method of covering the PVC section bar of metal film according to claim 1, is characterized in that, the type of cooling described in step (4) is air-cooled.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310752803.8A CN103722862B (en) | 2013-12-31 | 2013-12-31 | A kind of preparation method covering the PVC profile of metal film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310752803.8A CN103722862B (en) | 2013-12-31 | 2013-12-31 | A kind of preparation method covering the PVC profile of metal film |
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| CN103722862A true CN103722862A (en) | 2014-04-16 |
| CN103722862B CN103722862B (en) | 2016-01-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479242A (en) * | 2014-11-21 | 2015-04-01 | 苏州新区佳合塑胶有限公司 | Organic tin stabilizer formula of PVC (polyvinyl chloride) plastic |
| CN107521198A (en) * | 2017-09-30 | 2017-12-29 | 华之杰塑料建材有限公司 | A kind of aluminium alloy film pastes PVC extruded products |
| CN113978075A (en) * | 2021-09-01 | 2022-01-28 | 合肥晨乐塑胶有限公司 | Metal-like back plate of refrigerator and processing technology thereof |
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| US20050257880A1 (en) * | 2004-05-21 | 2005-11-24 | Herring William A | Process of making laminated sheet and product made by the process |
| CN102441973A (en) * | 2011-08-17 | 2012-05-09 | 东莞市雄林新材料科技有限公司 | Production process for laminating hot melt adhesive with TPU (thermoplastic urethane) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050257880A1 (en) * | 2004-05-21 | 2005-11-24 | Herring William A | Process of making laminated sheet and product made by the process |
| CN1631648A (en) * | 2005-02-06 | 2005-06-29 | 云南德恒钢塑共挤材料有限公司 | PVC plastic-aluminum co-extrusion section bar and preparing method thereof |
| CN102441973A (en) * | 2011-08-17 | 2012-05-09 | 东莞市雄林新材料科技有限公司 | Production process for laminating hot melt adhesive with TPU (thermoplastic urethane) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479242A (en) * | 2014-11-21 | 2015-04-01 | 苏州新区佳合塑胶有限公司 | Organic tin stabilizer formula of PVC (polyvinyl chloride) plastic |
| CN107521198A (en) * | 2017-09-30 | 2017-12-29 | 华之杰塑料建材有限公司 | A kind of aluminium alloy film pastes PVC extruded products |
| CN113978075A (en) * | 2021-09-01 | 2022-01-28 | 合肥晨乐塑胶有限公司 | Metal-like back plate of refrigerator and processing technology thereof |
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| CN103722862B (en) | 2016-01-20 |
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