CN103722862B - A kind of preparation method covering the PVC profile of metal film - Google Patents
A kind of preparation method covering the PVC profile of metal film Download PDFInfo
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- CN103722862B CN103722862B CN201310752803.8A CN201310752803A CN103722862B CN 103722862 B CN103722862 B CN 103722862B CN 201310752803 A CN201310752803 A CN 201310752803A CN 103722862 B CN103722862 B CN 103722862B
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of preparation method covering the PVC profile of metal film, through batch mixing, the extruding of PVC profile, vacuum cooled sizing, cover PUR and cover metal film and excision forming obtains the PVC profile covering metal film.The present invention by PVC raw material and PUR respectively through independent extruder process, the adhesion strength of PUR is high, the bonding of metal film is more evenly strong, high and the not easily layering of bond strength, and can realize from PUR, PVC material powder to the consecutive production of PVC profile product covering metal film.
Description
Technical field
The present invention relates to a kind of preparation method covering the PVC profile of metal film, belong to technical field prepared by composite material.
Background technology
The material that the door and window of building construction is used 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 emerged 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 to have better aesthetic property mutually with all kinds of building and can meet individual requirements again, and has good fire line and insulating properties.But aging, variable color can be there is for a long time under sunlight irradiates and wind and snow corrodes in plastic-steel section bar.Not only appearance have impact on attractive in appearance, 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 by polyvinyl chloride resin, auxiliary agent mixing, evenly flow into extruder from loading hopper; 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, is made by Vacuum shaping, cooling and shaping, traction.
But said method is in the agent of inner lining surface coating viscosity glue without special extruder process, the adhesiving effect being coated with jelly is not good, and the bonding of metal and PVC is uneven, and adhesion strength is not high; PVC profile surface does not process, 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 covering the PVC profile of metal film.
Terminological interpretation:
The abbreviation of ACR:Acryliccopolymer 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 commonly used.
Anti-impact ACR: be called anti-impact ACR, this area convenient source to improve the ACR used for the purpose of toughness.
Processing aid type ACR: be called processing aid type ACR, this area convenient source to improve the ACR used for the purpose of processing characteristics.
Raw material number of the present invention is weight portion.
Technical scheme of the present invention is as follows:
Cover a preparation method for the PVC profile 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 put into high speed mixer mixing and control temperature 105-135 DEG C especially by 100 parts of PVC resin powder, 3-25 part calcium carbonate, 2.5-5 part stabilizing agent, 0.1-1.0 part in-lubricant, 0.2-1.2, proceed to cold mixer after arriving temperature and be cooled to 20-45 DEG C of blowing, obtain mixture material;
(2) the extruding of PVC profile, vacuum cooled sizing: mixture material is put into PVC extruder and melt extrudes, through vacuum cooled sizing, obtain PVC profile;
(3) cover PUR and cover metal film: PVC profile surface heat gun is carried out the pre-heat treatment at 60 ~ 100 DEG C, metallic film surface is carried out grinding process and removes dust, oxide impurity, by PUR in PUR extruder melting even application in PVC profile surface and/or metallic film surface; Then PVC profile and metal film are bonded together by film covering device, the PVC profile of metal film must be covered;
(4) excision forming: will cover the PVC profile of metal film after cooling, cutting, the PVC profile of metal film is covered on obtained required surface.
According to the present invention, preferably, the PVC resin powder described in step (1) is SG-4 or SG-5 type PVC 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 controls at 150-205 DEG C.
According to the present invention, preferably, 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 controls at 130-180 DEG C; The PUR of melting is sprayed on PVC profile surface and metallic film surface by netted nozzle by PUR extruder;
Preferably, in step (3), PVC profile is carried out the pre-heat treatment to PVC profile surface through 3 ~ 5 pairs of heat guns under the drive of hauling machine at 60 ~ 100 DEG C, in PUR extruder, after melting, used by PUR spray gun with the coating one deck PUR of the mode of spraying at the surface uniform of PVC profile; One deck PUR is applied in the mode of spraying uniformly in the metallic film surface after grinding process with spray gun;
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 profile surface, the object of the pre-heat treatment removes moisture and the impurity on PVC profile surface, make to be combined with PUR tightr through the PVC profile surface of preheating, can also prevent the surface of PVC profile from having residual moisture to impact bond effect.Film covering device can use existing equipment.
According to the present invention, preferably, the type of cooling described in step (4) is air-cooled.Available Air cooler realizes air-cooled cooling.
Beneficial effect of the present invention:
1, the present invention by PVC raw material and PUR respectively through independent extruder process, the adhesion strength of PUR is high, the bonding of metal film is more evenly strong, high and the not easily layering of bond strength, and the consecutive production of the PVC profile product covering metal film from PUR, PVC material powder to surface can be realized.
2, the PVC profile covering metal film that prepared by the present invention, appearance looks elegant, personalized strong, intensity increase substantially, and do not fade, solve the 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.
Detailed description of the invention
Below by specific embodiment, the present invention will be further described, but be not limited thereto.
Raw materials usedly in embodiment be convenient source, device therefor is conventional equipment, commercial products;
Wherein: anti-impact type ACR, processing aid type ACR, Shandong Ruifeng Polymer Material Co., Ltd. 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 profile of aluminium film, the thickness of aluminium film is 0.3mm, and step is as follows:
(1) batch mixing: by 100kgSG-5 type PVC resin powder, 10kg precipitated calcium carbonate, 3.5kg calcium zinc stabilizer, 0.8kg stearic acid, 0.5kg calcium stearate, 0.5kgPE wax, 6kgCPE, 3kg anti-impact ACR, 1kg processing aid type ACR and 5kg titanium dioxide put into high speed mixer mixing and control temperature 120 DEG C, proceed to cold mixer after arriving temperature and be cooled to 40 DEG C of blowings, obtain mixture material;
(2) the extruding of PVC profile, vacuum cooled sizing: mixture material is put into 65 type conical double screw extruders and melt extrude, the temperature of extruder controls at 160-205 DEG C; Through vacuum cooled sizing, obtain PVC profile;
(3) cover PUR and cover aluminium film: PVC profile surface heat gun is carried out the pre-heat treatment at 60 ~ 70 DEG C, aluminium film surface is carried out grinding process and remove dust, oxide impurity, also use spray gun even application at PVC profile surface and aluminium film surface PUR melting in 45 type single screw extrusion machines, the temperature of extruder controls at 140-180 DEG C; Then the PVC profile being coated with PUR is bonded together by laminating machine with the aluminium film being coated with PUR, the PVC profile of aluminium film must be covered;
(4) excision forming: will the PVC profile of aluminium film be covered after Air cooler cooling, cutting, the PVC profile of obtained required aluminium-coating surface film.
Embodiment 2
The preparation of the PVC profile of copper membrane, the thickness of copper film is 2mm, and step is as follows:
(1) batch mixing: by 100kgSG-4 type PVC resin powder, 12kg activated Calcium carbonate, 3.8kg calcium zinc stabilizer, 0.5kg stearic acid, 0.3kg calcium stearate, 0.6kgPE wax, 3kgCPE, 3kg anti-impact ACR, 0.8kg processing aid type ACR and 4kg titanium dioxide put into high speed mixer mixing and control temperature 125 DEG C, proceed to cold mixer after arriving temperature and be cooled to 45 DEG C of blowings, obtain mixture material;
(2) the extruding of PVC profile, vacuum cooled sizing: mixture material is put into 80 type conical double screw extruders and melt extrude, the temperature of extruder controls at 165-200 DEG C; Through vacuum cooled sizing, obtain PVC profile;
(3) PUR and copper membrane is covered: PVC profile surface heat gun is carried out the pre-heat treatment at 70 ~ 80 DEG C, copper film surface is carried out grinding process and remove dust, oxide impurity, also use spray gun even application on PVC profile surface and copper film surface PUR melting in 45 type single screw extrusion machines, the temperature of extruder controls at 135-175 DEG C; Then the PVC profile being coated with PUR is bonded together by laminating machine with the copper film being coated with PUR, obtains the PVC profile of copper membrane;
(4) excision forming: by the PVC profile of copper membrane after Air cooler cooling, cutting, the PVC profile of obtained required surperficial copper membrane.
Embodiment 3
The preparation of the PVC profile of coating stainless steel film, the thickness of stainless steel membrane is 6mm, and step is as follows:
(1) batch mixing: by 100kgSG-5 type PVC resin powder, 25kg activated Calcium carbonate, 5kg organic tin stabilizer, 0.5kg stearic acid, 0.5kg calcium stearate, 1.2kgPE wax, 10kgCPE, 5kg anti-impact ACR, 3kg processing aid type ACR and 8kg titanium dioxide put into high speed mixer mixing and control temperature 135 DEG C, proceed to cold mixer after arriving temperature and be cooled to 30 DEG C of blowings, obtain mixture material;
(2) the extruding of PVC profile, vacuum cooled sizing: mixture material is put into 90 type parallel double-screw extruders and melt extrude, the temperature of extruder controls at 180-205 DEG C; Through vacuum cooled sizing, obtain PVC profile;
(3) PUR and coating stainless steel film is covered: PVC profile surface heat gun is carried out the pre-heat treatment at 80 ~ 90 DEG C, stainless steel membrane surface is carried out grinding process and remove dust, oxide impurity, also use spray gun even application on PVC profile surface and stainless steel membrane surface PUR melting in 55 type single screw extrusion machines, the temperature of extruder controls at 150-180 DEG C; Then the PVC profile being coated with PUR is bonded together by laminating machine with the stainless steel membrane being coated with PUR, obtains the PVC profile of coating stainless steel film;
(4) excision forming: by the PVC profile of coating stainless steel film after Air cooler cooling, cutting, the PVC profile of obtained required surperficial coating stainless steel film.
Embodiment 4
Cover the preparation of the PVC profile of aluminium film, the thickness of aluminium film is 1mm, and step is as follows:
(1) batch mixing: by 100kgSG-5 type PVC resin powder, 3kg precipitated calcium carbonate, 2.5kg calcium zinc stabilizer, 0.3kg stearic acid, 0.2kg calcium stearate, 0.5kgPE wax, 6kgCPE, 1kg anti-impact ACR, 0.5kg processing aid type ACR and 2kg titanium dioxide put into high speed mixer mixing and control temperature 105 DEG C, proceed to cold mixer after arriving temperature and be cooled to 20 DEG C of blowings, obtain mixture material;
(2) the extruding of PVC profile, vacuum cooled sizing: mixture material is put into 65 type conical double screw extruders and melt extrude, the temperature of extruder controls at 150-195 DEG C; Through vacuum cooled sizing, obtain PVC profile;
(3) cover PUR and cover aluminium film: PVC profile surface heat gun is carried out the pre-heat treatment at 90 ~ 100 DEG C, aluminium film surface is carried out grinding process and remove dust, oxide impurity, also use spray gun even application at PVC profile surface and aluminium film surface PUR melting in 45 type single screw extrusion machines, the temperature of extruder controls at 130-150 DEG C; Then the PVC profile being coated with PUR is bonded together by laminating machine with the aluminium film being coated with PUR, the PVC profile of aluminium film must be covered;
(4) excision forming: will the PVC profile of aluminium film be covered after Air cooler cooling, cutting, the PVC profile of obtained required aluminium-coating surface film.
Claims (10)
1. cover a preparation method for the PVC profile 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 put into high speed mixer mixing and control temperature 105-135 DEG C especially by 100 parts of PVC resin powder, 3-25 part calcium carbonate, 2.5-5 part stabilizing agent, 0.1-1.0 part in-lubricant, 0.2-1.2, proceed to cold mixer after arriving temperature and be cooled to 20-45 DEG C of blowing, obtain mixture material;
(2) the extruding of PVC profile, vacuum cooled sizing: mixture material is put into PVC extruder and melt extrudes, through vacuum cooled sizing, obtain PVC profile;
(3) cover PUR and cover metal film: PVC profile surface heat gun is carried out the pre-heat treatment at 60 ~ 100 DEG C,
Metallic film surface is carried out grinding process and removes dust, oxide impurity, by PUR in PUR extruder melting even application in PVC profile surface and/or metallic film surface; Then PVC profile and metal film are bonded together by film covering device, the PVC profile of metal film must be covered;
The temperature of PUR extruder controls at 130-180 DEG C; The PUR of melting is sprayed on PVC profile surface and metallic film surface by netted nozzle by PUR extruder;
(4) excision forming: will the PVC profile of metal film be covered after cooling, cutting, the obtained required PVC profile covering metal film.
2. the preparation method covering the PVC profile of metal film according to claim 1, is characterized in that, the PVC resin powder described in step (1) is SG-4 or SG-5 type PVC resin powder.
3. the preparation method covering the PVC profile 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 covering the PVC profile 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 covering the PVC profile 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 covering the PVC profile 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 controls at 150-205 DEG C.
7. the preparation method covering the PVC profile of metal film according to claim 1, it is characterized in that, PUR extruder described in step (3) is single screw extrusion machine, and the basic resin of described PUR is ethylene-vinyl acetate copolymer (EVA), and the tackifier of PUR are rosin.
8. the preparation method covering the PVC profile of metal film according to claim 1, it is characterized in that, in step (3), PVC profile is carried out the pre-heat treatment to PVC profile surface through 3 ~ 5 pairs of heat guns under the drive of hauling machine at 60 ~ 100 DEG C, in PUR extruder, after melting, used by PUR spray gun with the coating one deck PUR of the mode of spraying at the surface uniform of PVC profile; One deck PUR is applied in the mode of spraying uniformly in the metallic film surface after grinding process with spray gun.
9. the preparation method covering the PVC profile 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 covering the PVC profile 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 |
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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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| 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 CN103722862A (en) | 2014-04-16 |
| CN103722862B true CN103722862B (en) | 2016-01-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN113799460A (en) * | 2021-09-01 | 2021-12-17 | 合肥晨乐塑胶有限公司 | Imitation metal plate and processing technology thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| US7544266B2 (en) * | 2004-05-21 | 2009-06-09 | Illinois Tool Works Inc. | Process of making laminated sheet and product made by the process |
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| 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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