CN113604161A - Glass fiber reinforced aviation decorative film - Google Patents

Glass fiber reinforced aviation decorative film Download PDF

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Publication number
CN113604161A
CN113604161A CN202110885888.1A CN202110885888A CN113604161A CN 113604161 A CN113604161 A CN 113604161A CN 202110885888 A CN202110885888 A CN 202110885888A CN 113604161 A CN113604161 A CN 113604161A
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China
Prior art keywords
layer
glass fiber
pvdf
fiber reinforced
adhesive layer
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Pending
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CN202110885888.1A
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Chinese (zh)
Inventor
陈剑平
顾方明
李欣棚
任冬友
袁彬彬
李文君
高健
黄玉军
袁源
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Hangzhou Foremost Material Technology Co ltd
Second Research Institute of CAAC
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Hangzhou Foremost Material Technology Co ltd
Second Research Institute of CAAC
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Priority to CN202110885888.1A priority Critical patent/CN113604161A/en
Publication of CN113604161A publication Critical patent/CN113604161A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/29—Laminated material
    • 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
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary 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
    • 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
    • B32B27/30—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
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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    • 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
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
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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
    • B32B2605/18—Aircraft
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K2201/011—Nanostructured additives
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/35—Applications of adhesives in processes or use of adhesives in the form of films or foils for aeronautic or naval applications
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
    • C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
    • C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
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    • C09J2301/00—Additional features of adhesives in the form of films or foils
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    • C09J2301/00—Additional features of adhesives in the form of films or foils
    • C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
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    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/10—Presence of inorganic materials
    • C09J2400/14—Glass
    • C09J2400/143—Glass in the substrate
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    • C09J2427/00—Presence of halogenated polymer
    • C09J2427/006—Presence of halogenated polymer in the substrate

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  • Materials Engineering (AREA)
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  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention belongs to the technical field of decorative films, and particularly relates to a glass fiber reinforced aviation decorative film. The glass fiber reinforced type cabin interior decoration film comprises a first PVDF layer, a first adhesive layer, an ink layer, a PVC layer, a second adhesive layer, a second PVDF layer, a third adhesive layer, a glass fiber cloth layer, a fourth adhesive layer and a release layer which are sequentially arranged from outside to inside, wherein the layers are sequentially compounded in a coating, calendaring, co-extruding and laminating mode to form the glass fiber reinforced type cabin interior decoration film. The invention provides a glass fiber reinforced aviation decorative film with better flame retardance and low smoke density.

Description

Glass fiber reinforced aviation decorative film
Technical Field
The invention belongs to the technical field of decorative films, and particularly relates to a glass fiber reinforced aviation decorative film.
Background
The decorative film is a novel decorative material prepared by using high-molecular polymer as a raw material, adding various auxiliary agents, calendaring and compounding, can be compounded with wood, plastic plates, aluminum plates, iron plates and other base materials to prepare a multipurpose decorative material, and is widely applied to the internal decoration of household appliances, sound surface decoration, interior decoration, airplanes, trains, motor cars and ships.
As a decorative film used in the field of public transportation, the decorative film has to have very high flame retardant performance, and brings more escape time for passengers in case of fire, which is very important for safe operation of passenger cabins. Along with the continuous improvement of living standard of people, the requirement of passengers on the environment of a passenger cabin is higher and higher, and an enhanced decorative film is required to be used in complex environments (with constant change of temperature and humidity and more pollutants) such as toilets and kitchens of airplanes, ships and trains for a long time, is mould-proof and moisture-proof, can prevent the breeding of microorganisms or parasites, and can ensure good decoration.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide a glass fiber reinforced aviation decorative film with better flame retardance and low smoke density.
The technical scheme adopted by the invention is as follows:
the utility model provides a fine enhancement mode aviation decorative film of glass, is including the first PVDF layer, first glue film, printing ink layer, PVC layer, second glue film, second PVDF layer, third glue film, the glass fiber cloth layer that set gradually, and above-mentioned each layer is in proper order the compound fine enhancement mode under-deck decorative film of formation of glass through the mode of coating, calendering, crowded, altogether, laminating in proper order. The first glue layer is positioned between the first PVDF layer and the PVC layer to fixedly bond the first PVDF layer and the PVC layer, and the second glue layer is positioned between the PVC layer and the second PVDF layer to fixedly bond the second PVDF layer and the PVC layer. The PVC base material layer comprises a silicon nitrogen flame retardant and an inorganic filler, wherein the content of the silicon nitrogen flame retardant and the inorganic filler in the PVC base material layer is 52-67 wt%, and the content of the silicon nitrogen flame retardant is more than or equal to that of the inorganic filler. The PVDF content in the second PVDF layer is more than or equal to 80 wt%.
When the test method for measuring the heat release rate of the passenger cabin material under heat radiation in the CCAR-25-R4 standard is used, the maximum heat release rate of the decorative film is less than or equal to 65kw/m in 5min2The total heat release amount of the decorative film in 2 minutes is less than or equal to 65 kw.min/m2. When the test method for measuring the smoking property of the material in the cabin in the CCAR-25-R4 standard is used, the smoke density of the decorative film in 4 minutes is less than or equal to 200. Test method for measuring vertical burning of cabin material 60s when CCAR-25-R4 standard is usedMeanwhile, the afterflame time of the decorative film is less than or equal to 15s, the combustion length is less than or equal to 152mm, and the afterflame time of the dropping object is less than or equal to 3 s. When the test method for measuring the toxic gas content of the material in BMS7239 and AITM 3-005 standards is used, the toxic gas content of the decorative film meets the requirement of airbus standard ABD0031, CO is less than or equal to 3500ppm, HCN is less than or equal to 150ppm, HF is less than or equal to 200ppm, HCl is less than or equal to 500ppm, SO2 is less than or equal to 100ppm, NOX is less than or equal to 100ppm, and simultaneously meets the requirement of boeing standard D6-36075, HCN is less than or equal to 150ppm, HF is less than or equal to 200ppm, HCl is less than or equal to 500ppm, SO2 is less than or equal to 100ppm, and NOX is less than or equal to 100 ppm. When using the test method for measuring the stain resistance of materials in the BMS-356TYPE i standard, the decorative film does not discolor or discolor butter (any brand), mayonnaise (any brand), creme coffee at drinking temperature (any brand), chocolate (syrup or melted chocolate, any brand), soup at drinking temperature (bouillon base, any brand), fruit taint (orange juice, any brand), tomato juice or cooking sauce (any brand), yellow mustard sauce (any brand), sweat (compound, test method 15 in ANS AATCC), lipstick (any brand), hair oil (any brand), after the sample has been soiled and dried for at least 2 hours, after washing with detergent and brush. When the test method of measuring the sound insulation rating (STC) of the material in the ASTM E90 standard is used, the decorative film STC is more than or equal to 20. When the test method for determining the abrasion resistance of the material in the ASTM D1044 (roller CS10, 500g, 500 cycles) standard is used, the weight loss of the decorative film is less than or equal to 20 mg.
As a preferable scheme of the invention, the inorganic filler is at least one of nano calcium carbonate, a whisker reinforcing agent or titanium dioxide.
As a preferable aspect of the present invention, the light transmittance of the second PVDF layer is smaller than that of the first PVDF layer.
In a preferred embodiment of the present invention, the transmittance of the first PVDF layer with respect to light having a wavelength of 380-1100nm is 85% or more, and the thickness of the first PVDF layer is 3 to 50 μm.
In a preferred embodiment of the present invention, the light transmittance of the second PVDF layer is less than that of the first PVDF layer, the transmittance of the second PVDF layer with respect to 380 to 1100nm light is less than or equal to 30%, the thickness of the second PVDF layer is 20 to 75 μm, and the molecular weight of PVDF in the second PVDF layer is 20 to 60 ten thousand.
In a preferred embodiment of the present invention, the first adhesive layer is a PMMA adhesive layer, the first adhesive layer is co-extruded with the first PVDF layer, and the thickness of the first adhesive layer is 2 to 15 μm.
In a preferred embodiment of the present invention, the second adhesive layer is a PMMA adhesive layer, the second adhesive layer is co-extruded with the second PVDF layer, and the thickness of the second adhesive layer is 2 to 15 μm.
In a preferred embodiment of the present invention, the third adhesive layer is one or more of epoxy, acrylic, polyurethane, maleimide, chloroprene rubber, silicone, and cyanate ester adhesives; the thickness of the third adhesive layer is 5-50 mu m; and the third adhesive layer is positioned between the second PVDF layer and the glass fiber cloth layer to bond and fix the second PVDF layer and the glass fiber cloth layer.
In a preferred embodiment of the present invention, the glass fiber cloth layer is an electronic grade glass fiber cloth. The thickness of the glass fiber cloth layer is 100-500 mu m.
As a preferable scheme of the invention, the glass fiber reinforced interior decoration film further comprises a fourth adhesive layer and a release layer which are positioned on the outer side of the glass fiber cloth layer.
As a preferable scheme of the invention, the fourth adhesive layer is a pressure-sensitive adhesive or a heat-sensitive adhesive, further, the fourth adhesive layer is one or more of epoxy adhesives, acrylic adhesives, polyurethane adhesives, maleimide adhesives, chloroprene rubbers adhesives, organic silicon adhesives and cyanate adhesives, and a silicon nitrogen flame retardant is added into the fourth adhesive layer, wherein the content of the flame retardant is 5-40 wt%; the thickness of the fourth adhesive layer is 10-80 μm; the release layer is a film made of one or more of PP, PE and PET.
As a preferable scheme of the invention, the glass fiber reinforced indoor decorative film further comprises an ink layer positioned between the first adhesive layer and the PVC layer, the ink layer is water-based ink, and the thickness of the ink layer is 0.5-10 μm. The PVC layer is formed by adding a silicon nitrogen flame retardant and an inorganic filler into a PVC base material and then performing calendaring, wherein the flame retardant content is 5-30 wt%, the inorganic filler content is 10-20 wt%, and the thickness of the PVC layer is 40-200 mu m. The printing ink layer is printed on the PVC layer, and in order to see the pattern of the printing ink layer, the transmittance of the first PVDF layer and the first adhesive layer relative to light of 380-1100nm is greater than or equal to 85%.
The invention has the beneficial effects that:
the PVC layer is arranged in the decorative film as the flame retardant layer, the PVC layer is limited to adopt the silicon nitrogen flame retardant, the emission of heavy metals such as aluminum, magnesium, zinc, antimony and the like is reduced compared with the traditional halogen-free flame retardant, the environment protection is facilitated, meanwhile, the abrasion of the silicon nitrogen flame retardant to processing machinery is reduced, and the stability of the processing machinery and a product line is facilitated. The first PVDF layer has the performances of weather resistance, scribbling resistance and the like, and can improve the flame retardant property and the scratch resistance of the glass fiber reinforced type cabin interior decoration film. The hardness that the PVC layer improved whole decorative film supports and fire behaviour, and the fire resistance that the decorative film can be improved on the second PVDF layer can be covered by the original colour of cover for the pattern of fine enhancement mode under-deck decorative film itself of glass is more clear, and when the conflagration took place, the both sides of PVC substrate layer were provided with PVDF membrane layer, is favorable to delaying the burning of decorative film, and then reduces the smoke toxicity that the conflagration produced, is favorable to fleing. The glass fiber cloth layer has good corrosion resistance, and open gaps of the organization structure of the glass fiber cloth layer are beneficial to natural diffusion of water vapor, are mould-proof and moisture-proof, and can prevent breeding of microorganisms or parasites; the insulation property is good, static electricity is not accumulated on the surface, no dirt deposition dead angle is generated, and the cleaning is easy; high mechanical strength and good temperature resistance, can effectively prevent the decorative film from cracking, and ensures the stable surface structure and uniform color. The glass fiber reinforced type interior decoration film can be used in complex environments (with constant change of temperature and humidity and more pollutants) such as airplanes, trains, motor cars, steamship toilets, kitchens and the like for a long time, and can ensure good decoration.
Drawings
FIG. 1 is a schematic structural view of a glass fiber-reinforced interior decorative film of example 1;
FIG. 2 is a schematic structural view of a glass fiber-reinforced interior decorative film of example 2.
In the figure, 1 — first PVDF layer; 2-a first glue layer; 3-an ink layer; 4-a PVC layer; 5-a second glue layer; 6-a second PVDF layer; 7-a third glue layer; 8-a glass fiber cloth layer; 9-a fourth glue layer; 10-a release layer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the specification, the abbreviations in Chinese and English are common abbreviations in the chemical field, wherein PVDF refers to polyvinylidene fluoride, PVC refers to polyvinyl chloride, PP refers to polypropylene, PE refers to polyethylene, and PET refers to polyethylene terephthalate.
Example 1:
as shown in fig. 1, the glass fiber reinforced cabin interior decoration film of the present embodiment is composed of a multilayer structure, and sequentially includes, from outside to inside, a first PVDF layer 1, a first adhesive layer 2, an ink layer 3, a PVC layer 4, a second adhesive layer 5, a second PVDF layer 6, a third adhesive layer 7, and a glass fiber cloth layer 8. The first glue layer 2 is positioned between the first PVDF layer 1 and the PVC layer 4 to bond and fix the two, and the second glue layer 5 is positioned between the PVC layer 4 and the second PVDF layer 6 to bond and fix the two.
In the glass fiber reinforced cabin interior decoration film of the embodiment, the first PVDF layer 1 has performances such as weather resistance and scribbling resistance. Generally, the first PVDF layer 1 is transparent, or the transmittance of the first PVDF layer 1 to light with a wavelength of 380 nm to 1100nm is more than 85%, and the first PVDF layer 1 is transparent in order to avoid covering colors or patterns on the PVC layer 4 or the second adhesive layer 5, which may play a better role in decoration. Of course, the first PVDF layer 1 may also be a self-patterned color. Preferably, the thickness of the first PVDF layer 1 is 3-50 mu m, and further preferably 5-25 mu m, and the first PVDF layer 1 is beneficial to improving the flame retardant property and the scratch resistance of the glass fiber reinforced interior decorative film.
In the glass fiber reinforced cabin interior decoration film of the embodiment, the first glue layer 2 can bond and fix the first PVDF layer 1 and the PVC layer 4 into a whole. Preferably, the first glue layer 2 is a PMMA glue layer, the first glue layer 2 being co-extruded with the first PVDF layer 1, or, as it were, the first glue layer 2 being obtained by co-extrusion with the first PVDF layer 1. Preferably, the thickness of the first adhesive layer 2 is 2-15 μm, the undersize of the thickness of the first adhesive layer 2 cannot play a good bonding role, and the first adhesive layer is unfavorable for the flame retardant property of the glass fiber reinforced type in-cabin decorative film and the cost performance of the glass fiber reinforced type in-cabin decorative film when the first adhesive layer is too large. Preferably, the first adhesive layer 2 is transparent, or the transmittance of the first adhesive layer 2 relative to light of 380-1100nm is greater than or equal to 85%, so that the pattern of the ink layer positioned at the inner side can not be covered.
In the glass fiber reinforced cabin interior decoration film of the embodiment, the PVC layer 4 comprises a silicon nitrogen flame retardant and an inorganic filler, wherein the content of the silicon nitrogen flame retardant and the inorganic filler in the PVC layer 4 is 52-67 wt%, and the content of the silicon nitrogen flame retardant is greater than or equal to the content of the inorganic filler. The silicon nitrogen flame retardant is at least one of silicon dioxide nitrogen-containing compound, silicon nitrogen polymer polyether polyol or composite flame retardant consisting of silicon-containing flame retardant and nitrogen flame retardant, and the inorganic filler is at least one of nano calcium carbonate, whisker reinforcing agent and titanium dioxide. PVC layer 4 provides the hardness for the fine enhancement mode under-deck decorating film of glass and supports, if PVC layer 4 is too thin, the hardness of fine enhancement mode under-deck decorating film of glass is not enough, and fine enhancement mode under-deck decorating film of glass can appear compounding inhomogeneous scheduling problem at the composite process, if PVC layer 4 is too thick, is unfavorable for the fire behaviour of fine enhancement mode under-deck decorating film of glass, preferably, the thickness on PVC layer 4 is 40 ~ 120 mu m, further preferred 80 ~ 100 mu m. The PVC layer 4 comprises the silicon nitrogen flame retardant, the emission of heavy metals such as aluminum, magnesium, zinc, antimony and the like is reduced compared with the traditional halogen-free flame retardant on one hand, and the environment protection is facilitated, on the other hand, the abrasion of the silicon nitrogen flame retardant to a processing machine can be reduced compared with the traditional halogen-free flame retardant, the service life of the processing machine is facilitated, the stability of the processing machine and a product line is facilitated, and the economic benefit is improved.
In the glass fiber reinforced cabin interior decoration film of the embodiment, the second adhesive layer 5 can bond and fix the PVC layer 4 and the second PVDF layer 6 into a whole. The second glue layer 5 is preferably a PMMA glue layer, the second glue layer 5 being coextruded with the second PVDF layer 6, or the second glue layer 5 being obtained by coextrusion with the second PVDF layer 6. The thickness of the second adhesive layer 5 is preferably 2-15 mu m, the thickness of the second adhesive layer 5 is too small, a good bonding effect cannot be achieved, and the flame retardant property and the cost performance of the glass fiber reinforced type interior decoration film are not facilitated when the thickness of the second adhesive layer is too large.
In the glass fiber reinforced cabin interior decorative film of the embodiment, the second PVDF layer 6 has the following functions: firstly, the flame retardance of the second PVDF layer 6 is better than that of the PVC layer 4, and the flame retardance of the decorative film can be improved by arranging the second PVDF layer 6; secondly, the second PVDF layer 6 can cover the original color of the covering object, so that the pattern of the glass fiber reinforced type cabin interior decoration film is clearer; thirdly, when a fire disaster occurs, the PVDF film layers are arranged on the two sides of the PVC layer 4, so that the combustion of the decorative film is favorably delayed, the smoke toxicity generated by the fire disaster is further reduced, and the escape is favorably realized; finally, the second PVDF layer 6 is arranged, so that the cost of the glass fiber reinforced type cabin interior decoration film can be reduced.
The content of the PVDF in the second PVDF layer 6 is more than or equal to 80% by weight, and the molecular weight of the PVDF is between 20 and 60 ten thousand. The thickness of the second PVDF layer 6 is preferably 20 to 75 μm. The second PVDF layer 6 is less than or equal to 30% of light transmittance for 380-1100nm light, can play the role of covering the original color of the covering, and thus an ink layer can be arranged between the PVC layer 4 and the second glue layer 5 to provide various patterns and designs. In general, the light transmittance of the second PVDF layer 6 is less than that of the first PVDF layer 1.
In the glass fiber reinforced cabin interior decoration film of the embodiment, the third adhesive layer 7 can bond and fix the second PVDF layer 6 and the glass fiber cloth layer 8 into a whole. The third glue layer 7 is preferably a polyurethane adhesive, and the third glue layer 7 is attached to the second PVDF layer 6 or the glass fiber cloth layer 8 by means of coating or transfer printing. The thickness of the third adhesive layer 5 is preferably 10-25 mu m, the thickness of the third adhesive layer 7 is too small, a good bonding effect cannot be achieved, and the flame retardant property and the cost performance of the glass fiber reinforced type interior decoration film are not facilitated when the thickness of the third adhesive layer 7 is too large.
The glass fiber cloth layer 8 in the glass fiber reinforced type cabin interior decoration film is electronic grade glass fiber cloth. The glass fiber cloth layer 8 is preferably an electronic cloth 7628 with the thickness of173 μm, and the area density is 204.4g/m2. The glass fiber cloth layer 8 has good corrosion resistance, and open gaps of the organization structure of the glass fiber cloth layer are beneficial to natural diffusion of water vapor, are mould-proof and moisture-proof, and can prevent breeding of microorganisms or parasites; the insulation property is good, static electricity is not accumulated on the surface, no dirt deposition dead angle is generated, and the cleaning is easy; high mechanical strength and good temperature resistance, can effectively prevent the decorative film from cracking, and ensures the stable surface structure and uniform color.
The glass fiber reinforced cabin interior decoration film has the following specific properties:
when the test method for measuring the heat release rate of the passenger cabin material under heat radiation in the CCAR-25-R4 standard is used, the maximum heat release rate of the decorative film is less than or equal to 65kw/m in 5min2The total heat release amount of the decorative film in 2 minutes is less than or equal to 65 kw.min/m2. When the test method for measuring the smoking property of the material in the cabin in the CCAR-25-R4 standard is used, the smoke density of the decorative film in 4 minutes is less than or equal to 200. When the test method for measuring 60-second vertical burning of the cabin material in the CCAR-25-R4 standard is used, the afterflame time of the decorative film is less than or equal to 15s, the burning length is less than or equal to 152mm, and the afterflame time of the dropping is less than or equal to 3 s. When the test method for measuring the toxic gas content of the material in BMS7239 and AITM 3-005 standards is used, the toxic gas content of the decorative film meets the requirement of airbus standard ABD0031, CO is less than or equal to 3500ppm, HCN is less than or equal to 150ppm, HF is less than or equal to 200ppm, HCl is less than or equal to 500ppm, SO2 is less than or equal to 100ppm, NOX is less than or equal to 100ppm, and simultaneously meets the requirement of boeing standard D6-36075, HCN is less than or equal to 150ppm, HF is less than or equal to 200ppm, HCl is less than or equal to 500ppm, SO2 is less than or equal to 100ppm, and NOX is less than or equal to 100 ppm. When using the test method for measuring the stain resistance of materials in the BMS-356TYPE i standard, the decorative film does not discolor or discolor butter (any brand), mayonnaise (any brand), creme coffee at drinking temperature (any brand), chocolate (syrup or melted chocolate, any brand), soup at drinking temperature (bouillon base, any brand), fruit taint (orange juice, any brand), tomato juice or cooking sauce (any brand), yellow mustard sauce (any brand), sweat (compound, test method 15 in ANS AATCC), lipstick (any brand), hair oil (any brand), after the sample has been soiled and dried for at least 2 hours, after washing with detergent and brush. When the material sound insulation rating is determined using ASTM E90 Standard (STC) is more than or equal to 20. When the test method for determining the abrasion resistance of the material in the ASTM D1044 (roller CS10, 500g, 500 cycles) standard is used, the weight loss of the decorative film is less than or equal to 20 mg.
Example 2:
as shown in fig. 2, the glass fiber reinforced cabin interior decoration film of the present embodiment includes a first PVDF layer 1, a first adhesive layer 2, an ink layer 3, a PVC layer 4, a second adhesive layer 5, a second PVDF layer 6, a third adhesive layer 7, a glass fiber cloth layer 8, a fourth adhesive layer 9, and a release layer 10, which are sequentially arranged. In this embodiment, on the basis of embodiment 1, the fourth adhesive layer 9 and the release layer 10 are disposed on the outer side of the glass fiber cloth layer 8, and the fourth adhesive layer 9 is located between the glass fiber cloth layer 8 and the release layer 10 to bond and fix the two. The first PVDF layer 1, the first adhesive layer 2, the ink layer 3, the PVC layer 4, the second adhesive layer 5, the second PVDF layer 6, the third adhesive layer 7, and the glass fiber cloth layer 8 of this embodiment are the same as those of embodiment 1, and will not be described again here.
The fourth adhesive layer 9 is a pressure-sensitive adhesive or a heat-sensitive adhesive, and more preferably one or more of epoxy, acrylic, polyurethane, maleimide, chloroprene rubber, silicone and cyanate adhesive, and the thickness of the fourth adhesive layer 9 is preferably 30 to 50 μm. The fourth adhesive layer 9 can bond and fix the glass fiber reinforced type cabin interior decoration film and the inner covering into a whole, when the fourth adhesive layer 9 is too thin, the bonding effect is poor, and when the fourth adhesive layer 9 is too thick, the cost performance is not high. The release layer 10 plays a role in protection, and particularly, the fourth adhesive layer 9 is protected in the transportation process of the glass fiber reinforced type in-cabin decorative film. The release layer 10 is a film made of one or more of PP, PE and PET.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims (10)

1. The glass fiber reinforced aviation decorative film is characterized by comprising a first PVDF layer (1), a first adhesive layer (2), an ink layer (3), a PVC layer (4), a second adhesive layer (5), a second PVDF layer (6), a third adhesive layer (7) and a glass fiber cloth layer (8) which are sequentially arranged from outside to inside.
2. The glass fiber reinforced aircraft decorative film according to claim 1, wherein the transmittance of the first PVDF layer (1) relative to light with a wavelength of 380-1100nm is greater than or equal to 85%.
3. Glass-fiber reinforced aircraft decorative film according to claim 1, characterized in that said first layer of glue (2) is coextruded with said first layer of PVDF (1).
4. The glass fiber reinforced aircraft decorative film according to claim 1, wherein the ink layer (3) is water-based ink, and the ink layer (3) is printed on the PVC layer (4).
5. The glass fiber reinforced aviation decorative film according to claim 1, wherein the PVC layer (4) is formed by calendering a PVC substrate after adding a silicon nitrogen flame retardant and an inorganic filler, wherein the content of the silicon nitrogen flame retardant is 5-30 wt%, and the content of the inorganic filler is 10-20 wt%.
6. Glass-fiber reinforced aircraft decorative film according to claim 1, characterized in that said second glue layer (5) is a PMMA glue layer, the second glue layer (5) being coextruded with a second PVDF layer (6).
7. The glass fiber reinforced aircraft decoration film according to claim 1, wherein the light transmittance of the second PVDF layer (6) is less than that of the first PVDF layer (1), and the transmittance of the second PVDF layer (6) relative to 380-1100nm light is less than or equal to 30%.
8. The aircraft film of claim 1, wherein the third adhesive layer (7) is one or more of epoxy, acrylic, polyurethane, maleimide, neoprene, silicone, and cyanate ester adhesives.
9. The glass fiber reinforced aviation decorative film according to any one of claims 1 to 8, wherein a fourth adhesive layer (9) and a release layer (10) are sequentially arranged on one side of the glass fiber cloth layer (8) away from the third adhesive layer (7).
10. The aircraft decoration film reinforced by glass fiber according to claim 9 is characterized in that the fourth glue layer (9) is one or more of epoxy, acrylic, polyurethane, maleimide, neoprene, silicone and cyanate ester adhesives; a silicon nitrogen flame retardant is added into the fourth adhesive layer (9), and the content of the silicon nitrogen flame retardant in the fourth adhesive layer (9) is 5-40 wt%; the release layer (10) is a film made of one or more of PP, PE and PET.
CN202110885888.1A 2021-08-03 2021-08-03 Glass fiber reinforced aviation decorative film Pending CN113604161A (en)

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Application Number Priority Date Filing Date Title
CN202110885888.1A CN113604161A (en) 2021-08-03 2021-08-03 Glass fiber reinforced aviation decorative film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110885888.1A CN113604161A (en) 2021-08-03 2021-08-03 Glass fiber reinforced aviation decorative film

Publications (1)

Publication Number Publication Date
CN113604161A true CN113604161A (en) 2021-11-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
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