CN103722747A - Preparation method of metal coated PVC (Polyvinyl Chloride) sectional material for improving plasticity - Google Patents
Preparation method of metal coated PVC (Polyvinyl Chloride) sectional material for improving plasticity Download PDFInfo
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- CN103722747A CN103722747A CN201310749682.1A CN201310749682A CN103722747A CN 103722747 A CN103722747 A CN 103722747A CN 201310749682 A CN201310749682 A CN 201310749682A CN 103722747 A CN103722747 A CN 103722747A
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Abstract
The invention relates to a preparation method of a metal coated PVC (Polyvinyl Chloride) sectional material for improving plasticity. The PVC sectional material with the surface coated with a metal film is prepared by material mixing, extrusion, vacuum cooling and sizing of the PVC sectional material, coating of hot melt adhesive on the surface of the metal film, coating of the metal film on the surface of the PVC sectional material, cutting and molding. According to the preparation method provided by the invention, a PVC raw material and the hot melt adhesive are respectively treated by a separate extruder, so that the bonding strength of the hot melt adhesive is high, the bonding of the metal film is uniform and strong, the bonding strength is high, delamination is unlikely to occur, and the continuous production of the hot melt adhesive, PVC raw material powder and PVC sectional material products with the surfaces coated with the metal films can be realized.
Description
Technical field
The present invention relates to a kind of preparation method who improves plastic metal film coated PVC section bar, 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.But 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 be in the agent of inner lining surface coating viscosity glue without special extruder processing, be coated with the adhesiving effect of jelly not good, the bonding of metal and PVC is inhomogeneous, adhesion strength is not high, 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 who improves plastic metal film coated PVC section bar.
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 type ACR: be called anti-impact ACR to improve the ACR that toughness used as object, the conventional raw material in this area.
Processing aid type ACR: be called processing aid type ACR to improve the ACR that processing characteristics used as object, 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 who improves plastic metal film coated PVC section bar, 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, obtain mixture material;
(2) the extruding of PVC section bar, vacuum cooled sizing: mixture material is put into PVC extruder and melt extrude, through vacuum cooled sizing, obtain PVC section bar;
(3) PUR applies metallic film surface: PUR melting in PUR extruder is also evenly coated in to metallic film surface, must covers the metal film of hot melt adhesive layer;
(4) PVC Surface of profile covers metal film: under the drive of hauling machine, after heater heating, make hot melt adhesive layer softening the metal film that covers hot melt adhesive layer, then through film covering device, by the bonding of PUR, make metal film and PVC Surface of profile tight bond, must cover the PVC section bar of metal film;
(5) excision forming: after cooling, cutting, makes required surface and cover the PVC section bar of metal film 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;
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.
The mode of heating of described heater is the mode of the heat conducting mode of heating of heating plate or infrared heating; The heating and temperature control 180-250 ℃ of heater.
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.
According to the present invention, described heater and film covering device can be used existing equipment.When adopting the heat conducting mode of heating of heating plate, surface can be contacted with heating plate with the hot melt adhesive layer of the metal film of hot melt adhesive layer, PUR is carried out to thermoplastic; When adopting the mode of infrared heating, infrared ray can be aimed to hot melt adhesive layer and carry out thermoplastic.The present invention also can use other mode of heating to realize the softening of PUR.
Beneficial effect of the present invention:
1, the present invention passes through respectively independent extruder processing by PVC raw material and PUR, 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 of metal film is covered on the surface that prepared by the present invention, appearance looks elegant, personalized strong, intensity increase substantially, and has 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
The preparation that improves the PVC section bar of plastic aluminium-coating surface film, the thickness of aluminium film is 0.3mm, 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, obtain mixture material;
(2) the extruding of PVC section bar, vacuum cooled sizing: mixture material is put into 65 type conical double screw extruders and melt extrude, the temperature of extruder is controlled at 160-205 ℃; Through vacuum cooled sizing, obtain PVC section bar;
(3) PUR applies aluminium film surface: PUR melting in 45 type single screw extrusion machines is also evenly coated in to aluminium film surface, and the temperature of extruder is controlled at 140-180 ℃, must cover the aluminium film of hot melt adhesive layer;
(4) PVC Surface of profile covers aluminium film: under the drive of hauling machine, after electric heating sheets heating, make hot melt adhesive layer softening the aluminium film that covers hot melt adhesive layer, the heating and temperature control 220-240 ℃ of electric heating sheets, then through laminating machine, by the bonding of PUR, make aluminium film and PVC Surface of profile tight bond, must cover the PVC section bar of aluminium film;
(5) 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 that improves the PVC section bar of plastic surperficial 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, obtain mixture material;
(2) the extruding of PVC section bar, vacuum cooled sizing: mixture material is put into 80 type conical double screw extruders and melt extrude, the temperature of extruder is controlled at 165-200 ℃; Through vacuum cooled sizing, obtain PVC section bar;
(3) hot-melt copper membrane surface: PUR melting in 45 type single screw extrusion machines is also evenly coated in to copper film surface, and the temperature of extruder is controlled at 135-175 ℃, must cover the copper film of hot melt adhesive layer;
(4) PVC Surface of profile copper membrane: make hot melt adhesive layer softening after electric heating sheets heating under the drive of hauling machine the copper film that covers hot melt adhesive layer, the heating and temperature control 210-245 ℃ of electric heating sheets, then through laminating machine, by the bonding of PUR, make copper film and PVC Surface of profile tight bond, obtain the PVC section bar of copper membrane;
(5) 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 that improves the PVC section bar of plastic surperficial 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, obtain mixture material;
(2) the extruding of PVC section bar, vacuum cooled sizing: mixture material is put into 90 type parallel double-screw extruders and melt extrude, the temperature of extruder is controlled at 180-205 ℃; Through vacuum cooled sizing, obtain PVC section bar;
(3) hot-melt coating stainless steel film surface: PUR melting in 55 type single screw extrusion machines is also evenly coated in to stainless steel membrane surface, and the temperature of extruder is controlled at 150-180 ℃, must cover the stainless steel membrane of hot melt adhesive layer;
(4) PVC Surface of profile coating stainless steel film: make hot melt adhesive layer softening after infrared heater heating under the drive of hauling machine the stainless steel membrane that covers hot melt adhesive layer, the heating and temperature control 230-250 ℃ of infrared heater, then through laminating machine, by the bonding of PUR, make stainless steel membrane and PVC Surface of profile tight bond, obtain the PVC section bar of coating stainless steel film;
(5) 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
The preparation that improves the PVC section bar of plastic aluminium-coating surface film, the thickness of aluminium film is 1mm, 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, obtain mixture material;
(2) the extruding of PVC section bar, vacuum cooled sizing: mixture material is put into 65 type conical double screw extruders and melt extrude, the temperature of extruder is controlled at 150-195 ℃; Through vacuum cooled sizing, obtain PVC section bar;
(3) PUR applies aluminium film surface: PUR melting in 45 type single screw extrusion machines is also evenly coated in to aluminium film surface, and the temperature of extruder is controlled at 130-150 ℃, must cover the aluminium film of hot melt adhesive layer;
(4) PVC Surface of profile covers aluminium film: under the drive of hauling machine, after infrared heater heating, make hot melt adhesive layer softening the aluminium film that covers hot melt adhesive layer, the heating and temperature control 200-220 ℃ of infrared heater, then through laminating machine, by the bonding of PUR, make aluminium film and PVC Surface of profile tight bond, must cover the PVC section bar of aluminium film;
(5) 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 who improves plastic metal film coated PVC section bar, 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, obtain mixture material;
(2) the extruding of PVC section bar, vacuum cooled sizing: mixture material is put into PVC extruder and melt extrude, through vacuum cooled sizing, obtain PVC section bar;
(3) PUR applies metallic film surface: PUR melting in PUR extruder is also evenly coated in to metallic film surface, must covers the metal film of hot melt adhesive layer;
(4) PVC Surface of profile covers metal film: under the drive of hauling machine, after heater heating, make hot melt adhesive layer softening the metal film that covers hot melt adhesive layer, then through film covering device, by the bonding of PUR, make metal film and PVC Surface of profile tight bond, must cover the PVC section bar of metal film;
(5) excision forming: after cooling, cutting, makes required surface and cover the PVC section bar of metal film by the PVC section bar that covers metal film.
2. the preparation method of the plastic metal film coated PVC section bar of raising 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 the plastic metal film coated PVC section bar of raising according to claim 1, it 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 the plastic metal film coated PVC section bar of raising 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 the plastic metal film coated PVC section bar of raising 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 the plastic metal film coated PVC section bar of raising 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 the plastic metal film coated PVC section bar of raising 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 the plastic metal film coated PVC section bar of raising according to claim 1, it is characterized in that, described 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.
9. the preparation method of the plastic metal film coated PVC section bar of raising according to claim 1, is characterized in that, the mode of heating of the described heater described in step (3) is the mode of the heat conducting mode of heating of heating plate or infrared heating; The heating and temperature control 180-250 ℃ of heater.
10. the preparation method of the plastic metal film coated PVC section bar of raising according to claim 1, is characterized in that, the type of cooling described in step (4) is air-cooled.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104109277A (en) * | 2014-07-31 | 2014-10-22 | 姚将安 | Railway polymer anti-creeping strut material and railway polymer anti-creeping strut |
| CN105014926A (en) * | 2015-08-20 | 2015-11-04 | 江苏风享环保科技有限公司 | PVC co-extrusion frame and manufacturing method thereof |
| CN105585796A (en) * | 2015-12-18 | 2016-05-18 | 重庆海塑建材有限公司 | Polyvinyl chloride profile and preparing method thereof |
| CN107057228A (en) * | 2017-05-10 | 2017-08-18 | 佛山市高明区家乐仕装饰材料有限公司 | A kind of multiple macromolecule decorative plate of heat |
| CN107118463A (en) * | 2017-06-05 | 2017-09-01 | 浙江巨美家科技有限公司 | A kind of preparation method of hard multi-layer composite PVC floor base material layer |
| 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 |
| CN109762266A (en) * | 2018-12-20 | 2019-05-17 | 安徽坤和电气有限公司 | A kind of multi-layer co-extruded molding method of metal plastic-steel gantry |
| CN110481030A (en) * | 2019-07-29 | 2019-11-22 | 安徽润象新材料科技有限公司 | A kind of environment-friendly type wide format steel plastic compount compartment board producing device and its technique |
| CN112157980A (en) * | 2020-08-25 | 2021-01-01 | 海宁欧派工贸有限公司 | Production process of multilayer PVC film-coated plate |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109277A (en) * | 2014-07-31 | 2014-10-22 | 姚将安 | Railway polymer anti-creeping strut material and railway polymer anti-creeping strut |
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| CN110481030A (en) * | 2019-07-29 | 2019-11-22 | 安徽润象新材料科技有限公司 | A kind of environment-friendly type wide format steel plastic compount compartment board producing device and its technique |
| CN110481030B (en) * | 2019-07-29 | 2021-07-16 | 安徽润象新材料科技有限公司 | Environment-friendly wide-width steel-plastic composite carriage board manufacturing device and process |
| CN112157980A (en) * | 2020-08-25 | 2021-01-01 | 海宁欧派工贸有限公司 | Production process of multilayer PVC film-coated plate |
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