WO2016112494A1 - Films de polymère fluoré multicouches, stratifiés de ceux-ci et procédés de formation des stratifiés - Google Patents

Films de polymère fluoré multicouches, stratifiés de ceux-ci et procédés de formation des stratifiés Download PDF

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Publication number
WO2016112494A1
WO2016112494A1 PCT/CN2015/070608 CN2015070608W WO2016112494A1 WO 2016112494 A1 WO2016112494 A1 WO 2016112494A1 CN 2015070608 W CN2015070608 W CN 2015070608W WO 2016112494 A1 WO2016112494 A1 WO 2016112494A1
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Prior art keywords
layer
fluoropolymer
primer
film
multilayer
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PCT/CN2015/070608
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English (en)
Inventor
Hanjin HUANG
Devin XU
Fei QIAO
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Honeywell International Inc.
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Application filed by Honeywell International Inc. filed Critical Honeywell International Inc.
Priority to CN201580073310.9A priority Critical patent/CN107107556A/zh
Priority to PCT/CN2015/070608 priority patent/WO2016112494A1/fr
Publication of WO2016112494A1 publication Critical patent/WO2016112494A1/fr

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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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal 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
    • 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
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
    • 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
    • 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
    • B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/20—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/28—Multiple coating on one surface
    • 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
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B32B2307/4023—Coloured on the layer surface, e.g. ink
    • 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
    • B32B2307/71—Resistive to light or to UV
    • 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
    • B32B2307/712—Weather resistant
    • 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
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • 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
    • B32B2307/75—Printability
    • 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
    • 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

Definitions

  • the technical field generally relates tomultilayer films, laminates thereof and methods of forming the laminatesand more particularly relates tomultilayer fluoropolymer films, laminates thereof, and methods of forming the laminates.
  • window profiles and aluminum plastic panels oftenusepolymethyl methacrylate/polyvinylidene fluoride (PMMA/PVDF) coextruded film or PMMA film to protect the colored substrates from weathering, such as by ultraviolet (UV) light, humidity and acid rain.
  • the PMMAor the coextruded film is visibly transparent, typically containingUV absorbers, thus making it partially UV blocking, and is hot laminated with or onto the colored substrates.
  • the colored substrates are typically acrylic-based color prints on polyvinylchloride (PVC) -or PMMA-based film.
  • the PMMA portion of the film is made from toughened PMMA copolymers or toughness-modified PMMA resin to avoid the known brittleness issues ofPMMA.
  • the PMMA or the coextruded PMMA/PVDF is visually transparent and typically containsUV absorbers, thus making it partially UV blocking, and is color printed andlaminated with or ontothe aluminum or other foil substrates by adhesives.
  • PMMA is not sufficiently flexible for filming, printing and lamination, and thus using PMMA leads to operation difficulties when used for such applications.
  • PMMA is also prone to cracking when exposed to a solvent during cleaning.
  • PMMA can shrinkat temperatures greater than 80°C and, with a glass transition temperature of about 100°C, tends to crack at low temperatures.
  • PMMA is high moisture-absorbing and cannot protect substrates if they are sensitive to water and/or acid. UV absorbers compounded in the PMMA film are also prone to migrate to the surface and lose their effectiveness over time.
  • Fluoropolymer films are known to have superior weather resistance and chemical inertness to UV light, acid rain and mold. Fluoropolymers are relatively dirt proof and basically self-cleaning because of their low surface tension. These benefits have made fluoropolymer films good candidates for use as outdoor films and laminates, particularly as exterior protective films.
  • a multilayer film comprises a fluoropolymer layer having a first surface and a second surface opposed to the first surface; a primer layer overlying the first surface of the fluoropolymer layer, the primer layer comprising an acrylic polymer and a UV absorber; and a print layer overlying the primer layer.
  • a multilayer laminate comprises a fluoropolymer layer having a first surface and a second surface opposed to the first surface; a primer layer overlying the first surface of the fluoropolymer layer, the primer layer comprising an acrylic polymer; absorber print layer overlying the primer layer; an adhesive layer overlying the color print layer; and a substrate layer overlying the adhesive layer.
  • a method for forming a multilayer laminate comprisesdissolving a UV absorber in a solvent to form a solvent mixture; mixing the solvent mixture with an acrylic polymer to form a primer; coating the primer on a fluoropolymer layer to form a primered fluoropolymer layer; printing the primered fluoropolymer layer with color ink to form a color ink-printed film; andlaminating the color ink-printed film on a substrate.
  • FIG. 1 is an illustration of a fluoropolymer film with primer coating in accordance with an exemplary embodiment
  • FIG. 2 is an illustration of a building laminate structure using a fluoropolymer film in accordance with an exemplary embodiment
  • FIG. 3 is a graph showing UV and visible light transmittance.
  • Embodiments of the present disclosure are generally directed to multilayer films, laminates of such multilayer films, and methods for forming the same.
  • the disclosure is directed tofluoropolymer-based films that have good color printability, superior intrinsic weather durability, and UV protective effects of the color prints beneath.
  • a building laminate is also formed.
  • building laminate is used herein to describeall laminated construction materials including window profiles, wall panels and roofing.
  • profile is used herein to describe a window frame.
  • the window frame has a certain profile configuration to provide strength, install and assembling, and heat insulation properties.
  • the first two layers of the multilayer film haveless than about 30%transmittance in a range of from about 280 to about 400nm UV light and no less than about 80%transmittance in a range of from about 400 to about 800nm visible light.
  • the multilayer film comprises a fluoropolymer layer having a first surface and a second surface opposed to the first surface, the fluoropolymer layer having no less than about 80%transmittance in a range of from about 280 to about 800nm light bandwidth.
  • a primer layer overlays the first surface of the fluoropolymer layer.
  • the primer layer comprises an acrylic polymer.
  • Acolor print layer overlays the primer layer.
  • the surface energy is increased and the primered fluoropolymer film is color printable.
  • overlays and “overlying” mean that the layers are in direct and/or physical contact with each other.
  • color print includes a mixture of pigments and polymer binders (carriers) that carry the pigments.
  • the polymer carrier comprises acrylic-or urethane-based polymers, solvents, dispersion agents, curing agents, and/or mixtures thereof.
  • the fluoropolymer is selected from the group consisting ofpolychlorotrifluoroethylene (PCTFE) , polytetrafluoroethylene (PTFE) , polyvinyl fluoride (PVF) , polyvinylidene fluoride (PVDF) , ethylenechlorotrifluoro ethylene (ECTFE) , fluorinated ethylene-propylene (FEP) , perfluoroalkoxy (PFA) , ethylene tetrafluoroethylene (ETFE) , and mixtures thereof.
  • PCTFE polychlorotrifluoroethylene
  • PTFE polytetrafluoroethylene
  • PVDF polyvinylidene fluoride
  • ECTFE ethylenechlorotrifluoro ethylene
  • FEP fluorinated ethylene-propylene
  • PFA perfluoroalkoxy
  • ETFE ethylene tetrafluoroethylene
  • the acrylic polymerof the primer layer contains functional groups selected from the group consisting of hydroxyl, carboxyl, amine, glycidol groups, and mixtures thereof.
  • the acrylic polymer is selected from the group consisting of polymers and copolymers of acrylic acid, methacrylic acid, esters of acrylic acid, esters of methacrylic acid, and mixtures thereof.
  • acrylic polymers suitable for use herein are the commercially available acrylic based primer Cytec VIACRYL SC 200 available from Cytec Industries of Smyrna, Georgia and DuPont 68040 available from DuPont, Wilmington, Delaware.
  • the acrylic-based primer layer contains a curing agent, such as polyisocyanate.
  • the curing agent is in the range of from about 3%to about 5% (by weight of the primer) .
  • the curing agent is used to improve the primer hardness and durability.
  • An example of a suitable curing agent includesDesmodur N3300available from Bayer Material Science of Pittsburgh, Pennsylvania.
  • the acrylic-based primer layer contains a UV absorber.
  • the UV absorber is in the range of from about 3%to about 15%by weight.
  • the UV absorber is selected from the group consisting of benzotriazole, hydroxy-benzophenones; nano-sized inorganic fillers, such as zinc oxide or titanium dioxides; and mixtures thereof.
  • An example of a UV absorber suitable for use in the acrylic-based primer layer contemplated herein includes 234 available from BASF of Charlotte, North Carolina.
  • the benzotriazole may be pre-dissolved in a solvent, such as ethyl acetate, and then mixed with the primer.
  • the ratio of UV absorber: solvent is in the range of from about 1:10 to about 4: 10.
  • the acrylic-based primer comprises a graftedUV-absorbing benzotriazole group and a hindered amine light stabilizer group (HALS) .
  • HALS hindered amine light stabilizer group
  • An example of a UV absorber and HALS grafted acrylic primer is commercially available HALSHYBRID UV-G by Nippon Shokubai Company of Japan.
  • the resultant primer layer has both weatherabilityand UV shielding effects.
  • the fluoropolymer film surface is surface treated prior to coating with the primer.
  • the fluoropolymer film may be plasma or corona treated by conventional techniquesto at least about 36 dyne, particularly above about 44 dyne, for ease of primer coating.
  • corona treatment involves a machine made electrical discharge. This corona discharge results in partial ionization of the surrounding atmosphere. When a plastic part is placed in the discharge path, the electrons generated in the discharge impact the surface of the plastic part to break the molecular bonds on the surface.
  • plasma treatment involves a machine made electrical discharge, but the overall plasma density is much greater than with corona treatment, which enhances the rate and degree to which the ionized molecules are incorporated onto a materials' surface.
  • corona treatment Without surface treatment, the surface tension is below about 34 dyne, and the primer coating is not smoothedand wetted, resulting in the primer spreadingwell on the surface of the film.
  • the primer is coated onto either the non-surface-treated or surface-treated fluoropolymer film by a conventional gravure coating and solvent drying process.
  • Gravure coating uses an engraved roll with recessed cells on the surface. When coating is in operation, the engraved roll is partially immersed in a tray filled with primer. As the roll rotates, it pushes the primer into the recessed cells on the surface, and then a doctor blade scrapes the roll before it makes contact with the film, thereby removing the excess primer and leaving the right amount of primer in the cells to control the coating weight.
  • a pressing roll then presses on the top of the engraved roll and the uncoated film passes through the nip point of the pressing roll and engraved roll.
  • the pressing roll adds pressure so the film makes good contact with the engraved roll and the primer transfers from recessed cell to the film surface.
  • the coated film travels through a heated dryer or channel to vaporize the solvent and make the film dry.
  • the primer liquid is coated onto the film surface and solvent is vaporized by passing through a drying channel at a temperature in the range of from about 80 to about 100°C.
  • the primer is post ⁇ cured and adheresonto the film surface. Post ⁇ curing conditions are typically about 3 to about 5 days at a temperature in the range of from about 25 to about 50°C.
  • the primer ⁇ coated film is further gravure printed with a commercially available color ink, such as commercially availableGC Ink series available from Toyo Ink Company, a polyurethane based ink; ACRILUX series available from KIIAN Group, an acrylic based ink; and/or mixtures thereof. Adhesion of the color prints on films may be measured and rated according toASTM D3359. The method involves applying and removing tape over cuts made in the coated inks. The primer ⁇ coated film may also be measured for light transmittance using a UV ⁇ VIS spectrophotometer ( Cary 4000) to measure the UV shielding and visible light transmittance performance.
  • a commercially available color ink such as commercially availableGC Ink series available from Toyo Ink Company, a polyurethane based ink; ACRILUX series available from KIIAN Group, an acrylic based ink; and/or mixtures thereof. Adhesion of the color prints on films may be measured and rated according toASTM D3359. The method involves
  • FIG. 1 is an exemplary embodiment of a multilayer film2 having a first fluoropolymer layer, a second layer primer and a third color print layer.
  • the multilayer film comprises a fluoropolymer layer 10having a first surface12 and a second surface14 opposed to the first surface.
  • a primer layer 20 overlays the first surface 12 of the fluoropolymer layer 10.
  • a color print layer 30 overlays the primer layer 20.
  • a method of forming a multilayer laminate is disclosed.
  • a UV absorber is first dissolved in a solvent to form a solvent mixture.
  • the solvent mixture is mixed with an acrylic polymer to form a primer.
  • the primer is then coated onafluoropolymer layer to form a primered fluoropolymer layer.
  • the primer layer is in direct contact with the fluoropolymer layer.
  • the primered fluoropolymer layer is then printed with color ink, the color ink printed layer in direct contact with the primer layer, to form a color ink-printed film.
  • the color ink-printed film is then laminated with or onto a substrate.
  • the above primered and color ink printed films can be laminated with or onto a building laminate, such aspolyvinyl chloride (PVC) or analuminum or transition metal foil, using adhesive to provide outdoor weather durability.
  • PVC polyvinyl chloride
  • the adhesive is selected from the group consisting of ethylene-vinyl acetate, polyurethane, acrylate, and mixtures thereof.
  • FIG. 2 is an exemplary embodiment of a building laminate 4 using the fluoropolymer film as illustrated in FIG. 1.
  • the building laminate4 comprises the fluoropolymer layer 10having a first surface12 and a second surface14 opposed to the first surface.
  • the primer layer 20 overlays the first surface 12 of the fluoropolymer layer 10.
  • the color print layer 30 overlays the primer layer 20.
  • An adhesive layer 40 overlays the color print layer 30 and a substrate layer 50 overlays the adhesive layer 40.
  • the substrate layer 50 is metal foil or PVC.
  • Test samples were prepared using Honeywell PCTFE film, as the fluoropolymer.
  • Atypical 50 micron PCTFE film has the properties as set forth below in Table 1:
  • test samples were prepared as set forth below in Table 2.
  • the primer coating weight was measured by the amount of solid resin that remained on the film after the solvent was dried and vaporized. UVAbsorber weight percentage was calculated based on the dried primer weight. All percentages are by weight.
  • the primer coated film was gravure printed with a commercially available yellow ink.
  • UV and visible light transmittance are shown in FIG. 3.
  • the primer ⁇ coated film was measured for light transmittance using a UV ⁇ VIS spectrophotometer ( Cary 4000) to measure the UV shielding and visible light transmittance performance.
  • the X axis 60 indicates the wavelength of the light from ultra violet to visible lightmeasured in nm and the Y axis 70 indicates light transmittance through the multilayer fluoropolymer film measured by transmittance percent.
  • Primered 5 (80) which used a grafted UV absorber in the acrylic resin containing primer layer, showed the best UV shielding in an effective loading.
  • the result of Control 1 ( 140) and Control 2 ( 130) showed the transmittance of the light from 280 ⁇ 400nm ( UV light) and from 400 ⁇ 800nm ( visible light) are all above about 92%, whichindicatesthat the film is visually transparent and has no UV blocking effect.
  • Primered 1 ( 120) showed the transmittance of the UV light from 280 ⁇ 400nm is about 60%, which means the primer of the film blocked a part of the UV light. The transmittance of the light from 400 ⁇ 800nm is still above about 92%, whichindicates the primer does not block the visible light and the film is visually transparent.
  • Primered 2 (110) showed the 20%UV light passed through the coated film. Primered 2(110) also doesnot block the visible light.
  • Primered 3 ( 100) showed the 10%UV light passed through the coated film. Primered 3 also does not block the visible light.
  • Primered 4 (90) and Primered5 (80) showed the transmittance of the UV light 280 ⁇ 400nm is below about 10%, particularly almostabout 0%in 280 ⁇ 380nm UV light, resulting in the best UV ⁇ blocking effects of the tested samples, while visible light 400 ⁇ 800nm passed through and the coated films are still visually transparent.
  • Table 3 shows that with the primer as contemplated herein, the adhesion of color inks have the desired effects with very little peeled off ink.
  • a cutter was prepared with 6 parallelblades 1mm apart from each other. A grid area on the ink layer was selected and the cutter was placed on the grid area. The cutter was pressed down and pulled gently to make the first cut about 20mm long. A second cut was made at 90° and centered on the original cuts to create a grid pattern on the ink layer. A brush was used to clean the cut area. 3M 610 tape was placed over the center of the grid pattern to ensure contact with the ink layer. The tape was rubbed firmly with an eraser. After 90 seconds, the tape was removed by seizing the free end and rapidly pulling back upon itself at as close to an angle of 180° as possible. The grid area was inspected and the rate of adhesion in accordance with the following scale was determined:
  • 4B-Small flakes of the coating are detached at intersections and less than 5%of the area is detached.
  • 3B-Small flakes of the coating are detached along edges and at intersections of cuts.
  • the area affected is about 5 to 15 %of the lattice.
  • the coating has flakes along the edges and on parts of the squares.
  • the area affected is about 15 to 35 %of the lattice.
  • the coating has flakes along the edges of cuts in large ribbons and whole squares have detached.
  • the area affected is about 35 to about 65 %of the lattice.
  • 0B-The coating has flakes along the edges of cuts in large ribbons and whole squares have detached.
  • the area affected is larger than about 65 %.
  • Primered 4 (90) showed the best adhesion of the tested samples with a rating of 4B.
  • the above primered and color ink printed films can be laminated with a PVC profile or a metal foil using adhesive to provide the outdoor weather durability.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne des films multicouches, des stratifiés et des procédés pour former les stratifiés multicouches. Le film multicouche comprend une couche de polymère fluoré (10), une couche d'apprêt (20) et une couche d'impression de couleur (30) recouvrant la couche d'apprêt (20). La couche d'apprêt (20) comprend un polymère acrylique et éventuellement un absorbeur UV et/ou un agent de durcissement. Les films de polymère fluoré multicouches sont utiles pour construire des structures stratifiées.
PCT/CN2015/070608 2015-01-13 2015-01-13 Films de polymère fluoré multicouches, stratifiés de ceux-ci et procédés de formation des stratifiés WO2016112494A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201580073310.9A CN107107556A (zh) 2015-01-13 2015-01-13 多层含氟聚合物膜、其层压体和形成层压体的方法
PCT/CN2015/070608 WO2016112494A1 (fr) 2015-01-13 2015-01-13 Films de polymère fluoré multicouches, stratifiés de ceux-ci et procédés de formation des stratifiés

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PCT/CN2015/070608 WO2016112494A1 (fr) 2015-01-13 2015-01-13 Films de polymère fluoré multicouches, stratifiés de ceux-ci et procédés de formation des stratifiés

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JP2002149095A (ja) * 2000-11-10 2002-05-22 Nippon Carbide Ind Co Inc 印刷層を有する再帰反射性シート
CN101198463A (zh) * 2005-02-23 2008-06-11 埃克阿泰克有限责任公司 具有均匀耐候特性的塑料板
EP2363427A1 (fr) * 2008-07-10 2011-09-07 Avery Dennison Corporation Film comprenant une couche de renforcement et une couche réceptive d'encre, et stratifié
US20130136910A1 (en) * 2007-06-22 2013-05-30 Uwe Numrich Pmma/pvdf film with particularly high weathering stability and high uv protective action
CN203974180U (zh) * 2014-05-27 2014-12-03 广州宏信塑胶工业有限公司 高耐候性电镀印刷pvc胶布

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JP2002149095A (ja) * 2000-11-10 2002-05-22 Nippon Carbide Ind Co Inc 印刷層を有する再帰反射性シート
CN101198463A (zh) * 2005-02-23 2008-06-11 埃克阿泰克有限责任公司 具有均匀耐候特性的塑料板
US20130136910A1 (en) * 2007-06-22 2013-05-30 Uwe Numrich Pmma/pvdf film with particularly high weathering stability and high uv protective action
EP2363427A1 (fr) * 2008-07-10 2011-09-07 Avery Dennison Corporation Film comprenant une couche de renforcement et une couche réceptive d'encre, et stratifié
CN203974180U (zh) * 2014-05-27 2014-12-03 广州宏信塑胶工业有限公司 高耐候性电镀印刷pvc胶布

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