CN104999752A - Polyvinyl chloride composite film capable of covering metal and preparation method and application of film - Google Patents
Polyvinyl chloride composite film capable of covering metal and preparation method and application of film Download PDFInfo
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- CN104999752A CN104999752A CN201510212977.4A CN201510212977A CN104999752A CN 104999752 A CN104999752 A CN 104999752A CN 201510212977 A CN201510212977 A CN 201510212977A CN 104999752 A CN104999752 A CN 104999752A
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- polyvinyl chloride
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- polychloroethylene film
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/752—Corrosion inhibitor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2327/00—Polyvinylhalogenides
- B32B2327/06—PVC, i.e. polyvinylchloride
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2375/00—Polyureas; Polyurethanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2410/00—Agriculture-related articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/08—Cars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2607/00—Walls, panels
Abstract
The invention discloses a polyvinyl chloride composite film capable of covering metal and a preparation method and application of the film. The method includes the steps that a hot melt adhesive is heated and extruded through an extruder and flows out through a slobbering machine head, and a polyvinyl chloride film and the hot melt adhesive are pressed together through an attachment roller; the attachment roller is composed of a polyvinyl chloride film guide-in roller body and a water cooling roller body; the polyvinyl chloride film guide-in roller body is covered with the polyvinyl chloride film, and the polyvinyl chloride film is driven to be stretched and moved by means of rotation of the polyvinyl chloride film guide-in roller body and the water cooling roller body; the hot melt adhesive flows onto the water cooling roller body through the slobbering machine head, and the polyvinyl chloride film and the hot melt adhesive are pressed together by means of rotation of the polyvinyl chloride film guide-in roller body and the water cooling roller body; the temperature of a machine head of the extruder ranges from 150 DEG C to 190 DEG C, and the temperature of the slobbering machine head ranges from 180 DEG C to 195 DEG C; the water temperature of the water cooling roller body ranges from 10 DEG C to 30 DEG C. After the metal is covered with the polyvinyl chloride composite film, the polyvinyl chloride composite film is flat and free of bubbles, acid resistance and base resistance of a metal composite plate formed by compounding the polyvinyl chloride composite film and a metal plate are excellent, and peel strength is high.
Description
Technical field
The present invention relates to a kind of laminating with metal after can be widely used in building, amusement and recreation, the field such as automobile and transport, gardening, electronic apparatus the preparation method and application of composite film material, refer in particular to a kind of can be laminating with metal polyvinyl chloride composite membrane and Synthesis and applications.
Background technology
At present, the composite being widely used in the fields such as building, amusement and recreation, automobile and transport, gardening, electronic apparatus is mainly based on the metallic plate of sprayed coating or paint on a metal plate, owing to containing solvent in coating and paint, the solidification of metal sheet surface coating or the volatilization of dry run solvent have impact to environment, in addition, due to the volatilization of solvent, to make in coating easily to produce visually observe less than bubble or gas hole defect point, cause this composite be vulnerable to the erosion of environment unfavorable conditions and have influence on its service life.The laminating contour plate of plastic-steel is evenly coated in by making on the plastic foil of the dense explained hereafter of material by adhesive, and laminating to the laminating material of the one on metallic plate.
Polyvinyl chloride (PVC) material because it is with low cost, be easy to process, material source extensively, excellent combination property and obtain the extensive use of every profession and trade, particularly in recent years along with the development of polyvinyl chloride (PVC) modification technology, extend the use field of polyvinyl chloride (PVC) material.At present polymer material film and metal laminating in mostly be PETG (PET) material, PETG (PET) in weatherability, acid and alkali-resistance etc. not as good as polyvinyl chloride (PVC) material, existing polyvinyl chloride (PVC) film and the laminating of metal mostly are adhesive Method for bonding, this technique, due to the defect in environmental protection and control of product quality, causes its practical application to be restricted.
Therefore need research and develop a kind of newly can be directly laminating with metal polyvinyl chloride (PVC) membrane material and preparation method to meet the growing demand of material.
Summary of the invention
The invention solves above-mentioned the deficiencies in the prior art and problem, due to the Physical and mechanical properties that PUR does not have solvent and has, product belong to that environmental protection, adhesive strength are higher, coating uniform, can directly and metal carry out laminating.After laminating, product is smooth, the resistance to acids and bases of bubble-free, metal excellent.Key of the present invention solves the problem how making the combination of PUR and polyvinyl chloride (PVC) membrane material and the method for preparation thereof.
Provided by the invention can be laminating with metal the preparation method of polyvinyl chloride composite membrane, comprise the steps:
PUR by extruder add hot-extrudable after through salivation head flow out, utilize doubling roller polychloroethylene film and PUR to be pressed together; Doubling roller is made up of tangent polychloroethylene film guide-in roller and water chill rolls; Polychloroethylene film overlays on polychloroethylene film guide-in roller, drives polychloroethylene film stretching mobile by the rotation of polychloroethylene film guide-in roller and water chill rolls; PUR flow in water chill rolls through salivation head, then polychloroethylene film and PUR is pressed together by the rotation (relatively rotating) of polychloroethylene film guide-in roller and water chill rolls;
PUR is thermoplastic polyurethane, and polychloroethylene film is RPVC film;
The head temperature of extruder is 150 ~ 190 DEG C, and the temperature of salivation head is 180 ~ 195 DEG C; The water temperature of water chill rolls is 10 ~ 30 DEG C.
As optimal technical scheme, salivation head is arranged at above doubling roller, and distance polychloroethylene film guide-in roller and the tangent line of water chill rolls offset to chill roll axis direction salivation head is in the horizontal direction 5 ~ 20 millimeters; Salivation head in the vertical direction with the point of contact distance 150 ~ 200 millimeters of polychloroethylene film guide-in roller and water chill rolls; The water temperature of water chill rolls is 16 ~ 20 DEG C.
Preferably, polychloroethylene film guide-in roller is silica gel heat-resistant roll, and water chill rolls is metallic roll.
As optimal technical scheme, extruder at least contains 4 bringing-up sections, the initial segment 160-170 DEG C, and subsequent heat section increases by 5 ~ 10 DEG C piecemeal, and the connector temperature of outlet of extruder is 180 ~ 190 DEG C; Salivation head is divided at least 3 thermals treatment zone, and the temperature of sintering is identical with the connector temperature of extruder, and the temperature of mesozone is higher than sintering 5 ~ 10 degree, and the temperature of outlet area is identical with sintering.
As optimal technical scheme, polychloroethylene film is after unreeling, flatten, rectifying a deviation, the polychloroethylene film guide-in roller of doubling roller is directed to through deflector roll, be fitted in the top of polychloroethylene film guide-in roller and pass the polychloroethylene film guide-in roller of doubling roller and the tangent place of water chill rolls, deriving with deflector roll again, batching through batching press bonding roller; Be provided with salivation head above the water chill rolls of doubling roller, PUR oven dry extremely by quality ratio water content, after 0.1 ~ 0.3 ‰, is extruded from extruder and is flow in water chill rolls through salivation head; Deflector roll, doubling roller and batch press bonding roller and rotate and transmit polychloroethylene film, and the polychloroethylene film guide-in roller of doubling roller and water chill rolls relatively rotate and polychloroethylene film and PUR are pressed together.
Preferably, thermoplastic polyurethane is the thermoplastic polyurethane 58185 purchased from Yantai Wan Hua group and one of them purchased from the thermoplastic polyurethane 4185 of Yantai Sheng Hao macromolecular material Co., Ltd or its mixture.Further preferably, thermoplastic polyurethane is the mixture of thermoplastic polyurethane 58185 and thermoplastic polyurethane 4185 mass ratio 95 ~ 90:5 ~ 10.
What above-mentioned preparation method obtained can comprise layers of polyvinyl chloride films and is pressed together on the hot melt adhesive layer in layers of polyvinyl chloride films by the polyvinyl chloride composite membrane laminating with metal, and wherein, the thickness of hot melt adhesive layer is 30 ~ 60 μm.
Above-mentioned polyvinyl chloride composite membrane and the laminating method of metal, comprise the steps: that metallic plate is heated to 180 ~ 200 DEG C, then by a metal plate laminating for the PUR face of polyvinyl chloride composite membrane.
Preferably, metallic plate carries out fine polishing, roller brush and dust suction before heating.
The laminating plate of the metal that said method obtains, it is characterized in that, be made up of laminating successively polyvinyl chloride composite film, hot melt adhesive layer and metal level, or be made up of polyvinyl chloride composite film laminating successively, hot melt adhesive layer, metal level, hot melt adhesive layer and polyvinyl chloride composite film.
The present invention can reach following effect:
Thermoplastic polyurethane hot melt adhesive is not containing any solvent, therefore green material and production technology is belonged to, simultaneously due to the plastic foil of the dense explained hereafter of material can be made because standing temperature and high pressure and shearing force, the basic bubble-free of membrane material or gas hole defect point, can resist and compare rugged environment erosion, long service life.
Polyvinyl chloride composite membrane of the present invention and metal laminating after, smooth, bubble-free; Polychloroethylene film and metallic plate laminating after the resistance to acids and bases of the laminating plate of metal excellent, the peel strength of polychloroethylene film is high.
Polyvinyl chloride composite membrane of the present invention can use within the scope of-40 ~ 110 DEG C.Polyvinyl chloride composite membrane does not become fragile-40 DEG C time, still has toughness, without softening when 110 DEG C, still has certain physical and mechanical properties.
Accompanying drawing explanation
Fig. 1 is preparation method's flow chart of polyvinyl chloride composite membrane that can be laminating with metal of the present invention;
Fig. 2 is the preparation process schematic diagram of polyvinyl chloride composite membrane that can be laminating with metal of the present invention;
Fig. 3 is preparation method's flow chart of the laminating plate of metal of the present invention.
Fig. 4 is the laminating plate structure schematic diagram one of metal of the present invention.
Fig. 5 is the laminating plate structure schematic diagram two of metal of the present invention.
Fig. 6 is the tile structure schematic diagram that the laminating plate of metal of the present invention supports.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, can better understand the present invention and can be implemented, but illustrated embodiment is not as a limitation of the invention to make those skilled in the art.
As illustrated in fig. 1 and 2, of the present invention a kind of can be laminating with metal the preparation method of polyvinyl chloride composite membrane, it is characterized in that, comprise the steps:
RPVC film 20 unreels through let off roll 10 and controls to flatten by nip rolls 11 unwinding tension simultaneously, and after correction, the polychloroethylene film guide-in roller 131(silica gel heat-resistant roll of doubling roller 13 is directed to) through deflector roll 12, be fitted in polychloroethylene film guide-in roller top and through polychloroethylene film guide-in roller 131 water-filling inner with water chill rolls 132(hollow metal roller of doubling roller 13) tangent place, deriving with deflector roll 12 ' again, batching through batching press bonding roller 14; Be provided with salivation head 30 above the water chill rolls 132 of doubling roller 13, thermoplastic polyurethane hot melt adhesive oven dry extremely by quality ratio water content, after 0.1 ~ 0.3 ‰, is extruded from extruder and is flow in water chill rolls 132 through salivation head 30; Batch press bonding roller 14 and rotate stretching polychloroethylene film, thus drive deflector roll 12 ' pressured conjunction and frictional force to be batched by composite membrane, RPVC film 20 and PUR press together to relatively rotate (for drive roll, polychloroethylene film guide-in roller 131 is driven voller to water chill rolls 132) by the polychloroethylene film guide-in roller 131 of doubling roller and water chill rolls 132.
Wherein, the head temperature of extruder is 150 ~ 190 DEG C, and the temperature of salivation head 30 is 180 ~ 195 DEG C; The water temperature of water chill rolls 132 is 10 ~ 30 DEG C.As preferably embodiment, extruder at least containing 4 bringing-up sections, the initial segment 160-170 DEG C, subsequent heat section increases by 5 ~ 10 DEG C piecemeal, and the connector temperature of outlet of extruder is 180 ~ 190 DEG C; Salivation head 30 is divided at least 3 thermals treatment zone, and the temperature of sintering is identical with the connector temperature of extruder, and the temperature of mesozone is higher than sintering 5 ~ 10 degree, and the temperature of outlet area is identical with sintering.
Salivation head 30 is arranged at above doubling roller 13, and it is 5 ~ 20 millimeters that salivation head 30 offsets D apart from the tangent line of water chill rolls 132 to chill roll axis direction in the horizontal direction; Salivation head 30 is 150 ~ 200 millimeters with the point of contact distance L of polychloroethylene film guide-in roller 131 and water chill rolls 132 in the vertical direction; The water temperature of water chill rolls 132 is 16 ~ 20 DEG C.
In above-mentioned technique of the present invention, what first solve is the temperature resistance problem of polyvinyl chloride (PVC) membrane material, because its melt temperature of problem of polyvinyl chloride (PVC) heat resistance is at about 130 DEG C, and the temperature of PUR is higher, generally, processing temperature is at about 190 DEG C, and it is improper that technique controls, polyvinyl chloride (PVC) membrane material will soften and uneven contraction, causes the out-of-flatness of integral membrane material.In the selection of polyvinyl chloride (PVC) membrane material, requirement is RPVC (PVC) membrane material, due to the requirement of hard, auxiliary agent when making membrane material not containing any liquid condition, can make membrane material tolerable temperature at about 140 DEG C, add the stability of technique.
Secondly, PUR of the present invention selects thermoplastic polyurethane, fusing point at about 120 DEG C, processing temperature 190 ~ 200 DEG C.The not moisture and solvent of thermoplastic polyurethane hot melt adhesive, solid content 100%, be a kind of high-performance environment-friendly adhesive, compared with ordinary hot melten gel, there is excellent combination property---the performances such as solvent-free, tack is high, water-fast, heat-resisting, cold-resistant, resistance to creep and media-resistant.Applying glue temperature (120 DEG C), lower than typical hot melt adhesives (150--180 DEG C), makes project to save energy and reduce the cost.After PUR first contacts with water chill rolls tentatively lower the temperature (to 120 ~ 130 DEG C) after salivation head flows out in addition, then close with RPVC mould, RPVC membrane material does not contact with high-temperature hot melten gel, avoids by temperatures involved and produces distortion.
Through experiment, in this technique, thermoplastic polyurethane is preferably the mixture of the thermoplastic polyurethane 58185 of Yantai Wan Hua group production and the thermoplastic polyurethane 4185 of Yantai Sheng Hao macromolecular material Co., Ltd production, be more preferably, the mixture of mass ratio 95 ~ 90:5 ~ 10, polyvinyl chloride composite membrane obtained under this proportioning laminating on metal after, peel strength is higher than 3KN/m.
With this, polyvinyl chloride composite membrane prepared by said method comprises: layers of polyvinyl chloride films and the hot melt adhesive layer be pressed together in layers of polyvinyl chloride films, and the thickness being controlled hot melt adhesive layer by the rotating speed of the rotating speed to extruder, doubling roller is 30 ~ 60 μm.
In most preferred embodiment of the present invention, concrete technology parameter is arranged as follows:
In whole technological process, unreeling of RPVC membrane material requires that tension force controls evenly, and the size according to speed of production and volume suitably controls; The correction of film ensures that goods run on the same axis, ensures that product is homogeneous, smooth; Thermoplastic polyurethane hot melt adhesive answers 80 ~ 85 DEG C to dry before use 4 hours, if wet weather, suitably increases drying time 1 ~ 2 hour;
Extruder temperature is set as follows:
| Bringing-up section | Barrel heating 1 | Barrel heating 2 | Barrel heating 3 | Barrel heating 4 | Barrel heating 5 | Barrel heating 6 | Connector |
| Temperature DEG C | 160 | 170 | 175 | 180 | 185 | 185 | 185 |
Salivation head temperature is set as follows:
| Bringing-up section | Head 1 district | Head 2 district | Head 3 district | Head 4 district | Head 5 district | Head 6 district | Head 7 district |
| Temperature DEG C | 185 | 192 | 192 | 192 | 192 | 192 | 185 |
Temperature control deviation ± 1 DEG C.
The rotating speed of the rotating speed of extruder: frequency 8.9Hz, doubling roller: 5.6M/min, in obtained polyvinyl chloride composite membrane, the thickness of PUR is 45 μm.
Doubling roller is one group of two roller: polyvinyl chloride (PVC) membrane material guide-in roller is silica gel heat-resistant roll, plays the effect of pressing simultaneously; Another is water chill rolls, and material is metal; The water temperature of water chill rolls controls at 16 ~ 20 DEG C, and it is 10 millimeters that salivation head offsets D apart from the tangent line of chill roll to chill roll axis direction in the horizontal direction; Salivation head in the vertical direction with silica gel roller and chill roll pressing after point of contact distance L be 180 millimeters.
For reaching properties of product object, the screening of the PUR of the present embodiment is also crucial, and one wants processing temperature applicable, and two will fit firmly with membrane material, and three will not have adhesion with doubling roller in process of production, four be requirement laminating after membrane material after batching without adhesion.After to tens kinds of Material selec-tion tests, finally determine 58185 and 4,185 two kinds of thermoplastic polyurethane hot melt adhesives.Both hardness is identical, the compatibility of structure is also good, 58185 material adhesions are excellent, disappearance is had with the laminating fastness of film in process of the test, 4185 adhesives are poor, but excellent with the laminating fastness of film, through test of many times, select the weight ratio of 58185 and 4185 blending to reach above-mentioned four performances required by product for 95:5.
Performance test, polyvinyl chloride composite membrane does not become fragile-40 DEG C time, still has toughness, without softening when 110 DEG C, still has certain physical and mechanical properties.
Above-mentioned polyvinyl chloride composite membrane of the present invention can with metallic plates such as iron, aluminium, corrosion resistant plates, that sheet material carries out heat is laminating.As shown in Figure 3, be above-mentioned polyvinyl chloride composite membrane of the present invention and the laminating specific embodiment of metal, comprise the steps:
Metallic plate unreels successively, joint cutting, weld, metal fine polishing, roller brush and dust suction, after correction and tension force draw, high-frequency heating (can adopt infrared smart temperature control) is carried out to 180 ~ 200 DEG C to metallic plate, then pass through laminating roller by laminating for polyvinyl chloride composite membrane at the two-sided of metallic plate or one side, wherein the PUR contact metallic plate of polyvinyl chloride composite membrane, the laminating plate of the metal after laminating cools, draws and batches.Laminating roller is one group of heat-proof silica gel roller, and according to requirements, the pressure of roller can regulate.
As shown in Figures 4 and 5, the laminating plate of the metal that said method obtains is made up of polyvinyl chloride composite film 20 laminating successively, hot melt adhesive layer 21 and metal level 100, or is made up of polyvinyl chloride composite film 20 laminating successively, hot melt adhesive layer 21, metal level 100, hot melt adhesive layer 21 ' and polyvinyl chloride composite film 20 '.Metallic plate after laminating has the characteristic of metal and plastics bi-material, thus intensity is high, shock resistance, high-low temperature resistant, acid and alkali-resistance, media-resistant, material color are various, can the characteristic such as deep-draw.After tested, on the laminating plate of metal, the peel strength of polyvinyl chloride composite membrane reaches 3.5KN/m.
The laminating plate of metal of the present invention can require to be processed into various finished form, as Fig. 6 can do waviness tile 1, roof boarding, ash wall body plate etc.
Above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (10)
1. a preparation method for polyvinyl chloride composite membrane that can be laminating with metal, is characterized in that, comprise the steps:
PUR by extruder add hot-extrudable after through salivation head flow out, utilize doubling roller polychloroethylene film and PUR to be pressed together; Doubling roller is made up of tangent polychloroethylene film guide-in roller and water chill rolls; Polychloroethylene film overlays on polychloroethylene film guide-in roller, drives polychloroethylene film stretching mobile by the rotation of polychloroethylene film guide-in roller and water chill rolls; PUR flow in water chill rolls through salivation head, then polychloroethylene film and PUR is pressed together by the rotation of polychloroethylene film guide-in roller and water chill rolls;
PUR is thermoplastic polyurethane, and polychloroethylene film is RPVC film;
The head temperature of extruder is 150 ~ 190 DEG C, and the temperature of salivation head is 180 ~ 195 DEG C; The water temperature of water chill rolls is 10 ~ 30 DEG C.
2. according to claim 1 can be laminating with metal the preparation method of polyvinyl chloride composite membrane, it is characterized in that, salivation head is arranged at above doubling roller, and distance polychloroethylene film guide-in roller and the tangent line of water chill rolls offset to chill roll axis direction salivation head is in the horizontal direction 5 ~ 20 millimeters; Salivation head in the vertical direction with the point of contact distance 150 ~ 200 millimeters of polychloroethylene film guide-in roller and water chill rolls; The water temperature of water chill rolls is 16 ~ 20 DEG C.
3. according to claim 1 can be laminating with metal the preparation method of polyvinyl chloride composite membrane, it is characterized in that, polychloroethylene film guide-in roller is silica gel heat-resistant roll, and water chill rolls is metallic roll.
4. according to claim 1 can be laminating with metal the preparation method of polyvinyl chloride composite membrane, it is characterized in that, extruder at least contains 4 bringing-up sections, the initial segment 160-170 DEG C, subsequent heat section increases by 5 ~ 10 DEG C piecemeal, and the connector temperature of outlet of extruder is 180 ~ 190 DEG C; Salivation head is divided at least 3 thermals treatment zone, and the temperature of sintering is identical with the connector temperature of extruder, and the temperature of mesozone is higher than sintering 5 ~ 10 degree, and the temperature of outlet area is identical with sintering.
5. according to any one of claim 1 ~ 4 can be laminating with metal the preparation method of polyvinyl chloride composite membrane, polychloroethylene film is after unreeling, flatten, rectifying a deviation, the polychloroethylene film guide-in roller of doubling roller is directed to through deflector roll, be fitted in the top of polychloroethylene film guide-in roller and pass the polychloroethylene film guide-in roller of doubling roller and the tangent place of water chill rolls, deriving with deflector roll again, batching through batching press bonding roller; Be provided with salivation head above the water chill rolls of doubling roller, PUR oven dry extremely by quality ratio water content, after 0.1 ~ 0.3 ‰, is extruded from extruder and is flow in water chill rolls through salivation head; Deflector roll, doubling roller and batch press bonding roller and rotate and transmit polychloroethylene film, and the polychloroethylene film guide-in roller of doubling roller and water chill rolls relatively rotate and polychloroethylene film and PUR are pressed together.
6. according to claim 1 can be laminating with metal the preparation method of polyvinyl chloride composite membrane, it is characterized in that, thermoplastic polyurethane is the thermoplastic polyurethane 58185 purchased from Yantai Wan Hua group and one of them purchased from the thermoplastic polyurethane 4185 of Yantai Sheng Hao macromolecular material Co., Ltd or its mixture.
7. according to claim 6 can be laminating with metal the preparation method of polyvinyl chloride composite membrane, it is characterized in that, thermoplastic polyurethane is the mixture of thermoplastic polyurethane 58185 and thermoplastic polyurethane 4185 mass ratio 95 ~ 90:5 ~ 10.
8. what the preparation method of any one of claim 1 ~ 7 obtained can be laminating with metal polyvinyl chloride composite membrane, it is characterized in that, comprise layers of polyvinyl chloride films and be pressed together on hot melt adhesive layer in layers of polyvinyl chloride films, wherein, the thickness of hot melt adhesive layer is 30 ~ 60 μm.
9. polyvinyl chloride composite membrane according to claim 8 and the laminating method of metal, is characterized in that, comprise the steps: that metallic plate is heated to 180 ~ 200 DEG C, then by a metal plate laminating for the PUR face of polyvinyl chloride composite membrane.
10. the laminating plate of metal that obtains of the method for claim 9, it is characterized in that, be made up of laminating successively polyvinyl chloride composite film, hot melt adhesive layer and metal level, or be made up of polyvinyl chloride composite film laminating successively, hot melt adhesive layer, metal level, hot melt adhesive layer and polyvinyl chloride composite film.
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| CN201510212977.4A CN104999752B (en) | 2015-04-29 | 2015-04-29 | Polyvinyl chloride composite membrane that can be laminating with metal and its preparation and application |
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| CN102555403A (en) * | 2012-02-13 | 2012-07-11 | 廉江市金泰木业有限公司 | Method for producing multilayer composite plate |
| US20140238601A1 (en) * | 2005-09-13 | 2014-08-28 | Mark V. Loen | Applying Biaxially Oriented Polyester onto a Metal Substrate |
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| US20010009718A1 (en) * | 2000-01-24 | 2001-07-26 | Sinsel John A. | Polymeric coated metal strip and method for producing same |
| CN2423082Y (en) * | 2000-06-01 | 2001-03-14 | 朱时贤 | Compound sandwich plate with metal surface layer |
| US20140238601A1 (en) * | 2005-09-13 | 2014-08-28 | Mark V. Loen | Applying Biaxially Oriented Polyester onto a Metal Substrate |
| CN101429413A (en) * | 2008-11-18 | 2009-05-13 | 广州市鹿山化工材料有限公司 | Double-layer composite hot melt adhesive film for bonding metal and plastic |
| CN102555403A (en) * | 2012-02-13 | 2012-07-11 | 廉江市金泰木业有限公司 | Method for producing multilayer composite plate |
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