CN114872398B - Light-transmitting facing fabric and manufacturing process thereof - Google Patents

Light-transmitting facing fabric and manufacturing process thereof Download PDF

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Publication number
CN114872398B
CN114872398B CN202210504441.XA CN202210504441A CN114872398B CN 114872398 B CN114872398 B CN 114872398B CN 202210504441 A CN202210504441 A CN 202210504441A CN 114872398 B CN114872398 B CN 114872398B
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layer
facing
parts
light
minutes
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CN114872398A (en
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王明帆
张丹
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Gearchief Eissmann Changchun Automotive Parts Co ltd
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Gearchief Eissmann Changchun Automotive Parts Co ltd
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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
    • 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
    • B32B27/065—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 foam
    • 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
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • B32B5/00—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
    • B32B5/18—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 features of a layer of foamed material
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
    • C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D123/04—Homopolymers or copolymers of ethene
    • C09D123/08—Copolymers of ethene
    • C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09D123/0853—Vinylacetate
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D127/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
    • C09D127/02—Coating compositions based on 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; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
    • C09D127/04—Coating compositions based on 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; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C09D127/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • 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
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2605/003—Interior finishings
    • 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
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to a light-transmitting facing fabric and a manufacturing process thereof, belongs to the technical field of light-transmitting facing surfaces in automotive interiors, and particularly relates to a light-transmitting facing fabric and a manufacturing technology thereof; comprises a light-transmitting decorative cloth structure and a manufacturing process thereof; the invention has the following beneficial effects: the light-transmitting facing cloth and the manufacturing process thereof for manufacturing the light-transmitting facing cloth overcome the existing problems are provided, and the product produced by the process gives consideration to the strength, toughness and light transmission of the surface material, improves the comfort and the aesthetic property, and improves the appearance of a vehicle as an automotive interior.

Description

Light-transmitting facing fabric and manufacturing process thereof
Technical Field
The invention belongs to the technical field of light-transmitting decorative surface skins in automotive interiors, and particularly relates to a light-transmitting decorative surface fabric and a production and manufacturing technology thereof.
Background
Along with the continuous improvement of the living standard of people, the requirements of people on the automobile performance, the appearance and the safety performance are continuously improved, and meanwhile, the requirements on the automobile interior environment are also continuously improved. The surface of the automobile ornament is coated, the automobile ornament has color and patterns, soft and elastic hand feeling is provided, and the requirements on the atmosphere lamp in the automobile and the interaction between people and vehicles are gradually improved.
The traditional artificial epidermis has the barrier effect to light rays due to the unique material characteristics, does not have light transmission performance, and the in-car optical effect is realized through surface perforation, so that the cost of the whole car design is increased, the mechanical property of the product can be reduced by the punching process, and the service life and the application range of the product are influenced.
There is a need in the art for a new solution to this problem.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the light-transmitting facing cloth and the manufacturing process thereof overcome the prior problems, and the product produced by the process has the strength, toughness and light transmittance of the surface material and improves the comfort and the aesthetic property.
The utility model provides a printing opacity veneer cloth which characterized in that: the light-transmitting facing fabric comprises a fabric layer, a waterproof layer, a foam layer, a coating layer, a protective layer and a base fabric layer; the fabric layer, the waterproof layer, the foam layer, the coating layer, the protective layer and the base fabric layer are sequentially connected; and a facing layer is arranged on any one layer of the waterproof layer and the coating layer.
A process for producing a light-transmitting facing fabric, which is used for producing the light-transmitting facing fabric in claim 1, and is characterized in that: comprises the following steps in sequence
S1, sequentially compounding and bonding a fabric layer, a waterproof layer and a foam layer;
s2, preparing a coating raw material, and mixing, stirring, grinding and defoaming the coating raw material formula to obtain a coating raw material;
s3, setting the coating raw material obtained in the step S2 on the foam layer processed in the step S1 through four steps of glue spraying, drying, standing and curing to form a coating layer;
s4, setting a protective layer, wherein any one of printing, hot stamping, spraying, pasting, transfer printing, adsorbing and electroplating is adopted, namely insulating transparent ink is arranged on the coating layer obtained in the step S3, so that the protective layer is formed; s5, sticking base cloth and warp and weft cloth on the protective layer formed in the S4 to form a base cloth layer, and obtaining the light-transmitting facing cloth;
the waterproof layer in the S1 is a PE film or a PTEE film, the foam layer is foam sea or three-dimensional fabric, and the fabric layer is one of polycarbonate, polymethyl methacrylate, acrylonitrile-butadiene-styrene plastic, polypropylene, polyethylene terephthalate, polyvinyl chloride, polypropylene, polyimide, polyurethane elastomer, PUR polyurethane and olefin elastomer;
the formula of the raw materials of the coating layer in the S2 comprises the following components in parts by weight: 20-25 parts of ethylene-vinyl acetate copolymer, 16-25 parts of polyvinyl alcohol, 16-25 parts of isocyanate, 7-15 parts of polyether glycol, 7-15 parts of diethyltoluenediamine, 0.1-0.5 part of dimethyl siloxane and 0.5-1.5 parts of superfine calcium carbonate;
and S5, the pasting sequence of the base cloth and the warp and weft cloth is that the warp and weft cloth is firstly pasted, and then the base cloth is pasted.
The S2 preparation of the coating raw material comprises the following steps of
Step one, mixing, namely mixing the components of the raw materials of the coating layer;
step two, stirring, namely pouring the mixed product into a stirring tank to perform mixing stirring, stirring for 25 to 30 minutes at 400 to 600RPM, stirring for 25 to 30 minutes at 800 to 1000RPM, and stirring for 25 to 30 minutes at 1500 to 2000 RPM;
step three, grinding, namely, introducing the stirred product into a three-roller grinder for grinding at least three times, and stopping grinding when the fineness of the ground raw material is lower than 8 um;
and fourthly, defoaming, namely placing the ground product into a vacuum defoaming box to perform defoaming, and lasting for 60-80 minutes at minus 0.5-minus 0.1MPa to obtain a coating layer raw material.
The step S3: the drying operation needs to be performed twice: the first drying temperature is 65-75 ℃, the drying time is 15-20 minutes, the second drying temperature is 80-100 ℃, and the drying time is 5-10 minutes, and a sectional drying mode is adopted; the curing treatment is preferably carried out at a temperature of 35-40 ℃ for 24 hours.
The method further comprises the step S6 of configuring the facing layer raw materials and the step S7 of setting the facing layer, wherein the formula of the facing layer raw materials in the facing layer is prepared according to the mass distribution percentage: 10-15 parts of iron oxide black, 10-15 parts of graphite, 30-40 parts of vinyl chloride-vinyl acetate copolymer, 10-15 parts of epoxy resin, 20-30 parts of butanone and 10-15 parts of DBE mixed dibasic acid ester; the preparation of the facing layer raw materials comprises the following steps:
firstly, mixing, namely diluting raw materials by using slow-drying water according to the printing process requirements;
heating and stirring, namely pouring the mixed raw materials in the first step into a round glass mouth bottle, fixing the round mouth bottle on an oil bath pot, and stirring the mixture in the round mouth bottle by using a rotary stirrer; slowly heating the oil bath from the room temperature environment, heating to 10 ℃ every 5 minutes, keeping for 5 minutes after heating to 10 ℃, heating to 120 ℃ finally, keeping for 30 minutes at 120 ℃, and naturally cooling to room temperature; in the heating and cooling process, the stirrer needs to stir all the time, and the rotating speed is 150 RPM-200 RPM;
grinding, namely pouring the product treated in the step two into a three-roller grinder for grinding for at least 3 times, and stopping grinding when the fineness is below 5 um;
step four, defoaming, namely placing the ground raw materials in the step three in a vacuum defoaming box to perform defoaming, and lasting for 40-50 minutes at minus 0.5-minus 0.1MPa to finally obtain the raw materials of the finishing layer;
the light transmittance of the raw material of the facing layer is less than 5 percent, the fineness is less than 5um, and the viscosity is 8000-11000 mPa.s at 25 ℃;
and S7, setting a facing layer, printing the facing layer raw material obtained in the S6 on any one layer of a coating layer or a waterproof layer in a screen printing mode, and obtaining a facing pattern compound in a drying or curing mode to form the facing layer.
And the step S7 is characterized in that a nylon silk screen with 250-300 meshes is adopted for silk screen printing, the printing thickness of the facing is more than 5um, and the light transmittance is less than 5%.
And S7, the facing pattern is printed by a negative plate, the facing pattern is free of printing ink, other parts of the facing pattern are printed with printing ink, and the raw material of the facing layer is diluted by using slow-drying water in the printing process.
The drying temperature in the step S7 is 60-80 ℃ and the drying time is 15-20 minutes; the curing mode is an ultraviolet curing mode for curing.
The insulating transparent ink in the step S4 is transparent anticorrosive varnish or transparent anticorrosive ink material.
Through the design scheme, the invention has the following beneficial effects: the light-transmitting facing cloth and the manufacturing process thereof for manufacturing the light-transmitting facing cloth overcome the existing problems are provided, and the product produced by the process gives consideration to the strength, toughness and light transmission of the surface material, improves the comfort and the aesthetic property, and improves the appearance of a vehicle as an automotive interior.
Detailed Description
The utility model provides a printing opacity veneer cloth which characterized in that: the light-transmitting facing fabric comprises a fabric layer, a waterproof layer, a foam layer, a coating layer, a protective layer and a base fabric layer; the fabric layer, the waterproof layer, the foam layer, the coating layer, the protective layer and the base fabric layer are sequentially connected; and a facing layer is arranged on any one layer of the waterproof layer and the coating layer.
A process for producing a light-transmitting facing fabric, which is used for producing the light-transmitting facing fabric in claim 1, and is characterized in that: comprises the following steps in sequence
S1, sequentially compounding and bonding a fabric layer, a waterproof layer and a foam layer;
s2, preparing a coating raw material, and mixing, stirring, grinding and defoaming the coating raw material formula to obtain a coating raw material;
s3, setting the coating raw material obtained in the step S2 on the foam layer processed in the step S1 through four steps of glue spraying, drying, standing and curing to form a coating layer;
s4, setting a protective layer, wherein any one of printing, hot stamping, spraying, pasting, transfer printing, adsorbing and electroplating is adopted, namely insulating transparent ink is arranged on the coating layer obtained in the step S3, so that the protective layer is formed; s5, sticking base cloth and warp and weft cloth on the protective layer formed in the S4 to form a base cloth layer, and obtaining the light-transmitting facing cloth;
the waterproof layer in the S1 is a PE film or a PTEE film, the foam layer is foam sea or three-dimensional fabric, and the fabric layer is one of polycarbonate, polymethyl methacrylate, acrylonitrile-butadiene-styrene plastic, polypropylene, polyethylene terephthalate, polyvinyl chloride, polypropylene, polyimide, polyurethane elastomer, PUR polyurethane and olefin elastomer;
the formula of the raw materials of the coating layer in the S2 comprises the following components in parts by weight: 20-25 parts of ethylene-vinyl acetate copolymer, 16-25 parts of polyvinyl alcohol, 16-25 parts of isocyanate, 7-15 parts of polyether glycol, 7-15 parts of diethyltoluenediamine, 0.1-0.5 part of dimethyl siloxane and 0.5-1.5 parts of superfine calcium carbonate;
and S5, the pasting sequence of the base cloth and the warp and weft cloth is that the warp and weft cloth is firstly pasted, and then the base cloth is pasted.
The S2 preparation of the coating raw material comprises the following steps of
Step one, mixing, namely mixing the components of the raw materials of the coating layer;
step two, stirring, namely pouring the mixed product into a stirring tank to perform mixing stirring, stirring for 25 to 30 minutes at 400 to 600RPM, stirring for 25 to 30 minutes at 800 to 1000RPM, and stirring for 25 to 30 minutes at 1500 to 2000 RPM;
step three, grinding, namely, introducing the stirred product into a three-roller grinder for grinding at least three times, and stopping grinding when the fineness of the ground raw material is lower than 8 um;
and fourthly, defoaming, namely placing the ground product into a vacuum defoaming box to perform defoaming, and lasting for 60-80 minutes at minus 0.5-minus 0.1MPa to obtain a coating layer raw material.
The step S3: the drying operation needs to be performed twice: the first drying temperature is 65-75 ℃, the drying time is 15-20 minutes, the second drying temperature is 80-100 ℃, and the drying time is 5-10 minutes, and a sectional drying mode is adopted; the curing treatment is preferably carried out at a temperature of 35-40 ℃ for 24 hours.
The method further comprises the step S6 of configuring the facing layer raw materials and the step S7 of setting the facing layer, wherein the formula of the facing layer raw materials in the facing layer is prepared according to the mass distribution percentage: 10-15 parts of iron oxide black, 10-15 parts of graphite, 30-40 parts of vinyl chloride-vinyl acetate copolymer, 10-15 parts of epoxy resin, 20-30 parts of butanone and 10-15 parts of DBE mixed dibasic acid ester; the preparation of the facing layer raw materials comprises the following steps:
firstly, mixing, namely diluting raw materials by using slow-drying water according to the printing process requirements;
heating and stirring, namely pouring the mixed raw materials in the first step into a round glass mouth bottle, fixing the round mouth bottle on an oil bath pot, and stirring the mixture in the round mouth bottle by using a rotary stirrer; slowly heating the oil bath from the room temperature environment, heating to 10 ℃ every 5 minutes, keeping for 5 minutes after heating to 10 ℃, heating to 120 ℃ finally, keeping for 30 minutes at 120 ℃, and naturally cooling to room temperature; in the heating and cooling process, the stirrer needs to stir all the time, and the rotating speed is 150 RPM-200 RPM;
grinding, namely pouring the product treated in the step two into a three-roller grinder for grinding for at least 3 times, and stopping grinding when the fineness is below 5 um;
step four, defoaming, namely placing the ground raw materials in the step three in a vacuum defoaming box to perform defoaming, and lasting for 40-50 minutes at minus 0.5-minus 0.1MPa to finally obtain the raw materials of the finishing layer;
the light transmittance of the raw material of the facing layer is less than 5 percent, the fineness is less than 5um, and the viscosity is 8000-11000 mPa.s at 25 ℃;
and S7, setting a facing layer, printing the facing layer raw material obtained in the S6 on any one layer of a coating layer or a waterproof layer in a screen printing mode, and obtaining a facing pattern compound in a drying or curing mode to form the facing layer.
And the step S7 is characterized in that a nylon silk screen with 250-300 meshes is adopted for silk screen printing, the printing thickness of the facing is more than 5um, and the light transmittance is less than 5%.
And S7, the facing pattern is printed by a negative plate, the facing pattern is free of printing ink, other parts of the facing pattern are printed with printing ink, and the raw material of the facing layer is diluted by using slow-drying water in the printing process.
The drying temperature in the step S7 is 60-80 ℃ and the drying time is 15-20 minutes; the curing mode is an ultraviolet curing mode for curing.
The insulating transparent ink in the step S4 is transparent anticorrosive varnish or transparent anticorrosive ink material.
In order to ensure the stability of the pattern and damage factors in the process, transparent anti-corrosion varnish or transparent anti-corrosion ink materials are used for protection. The protective layer can be formed by printing, hot stamping, spraying, pasting, transfer printing, adsorption, electroplating and other processes.
On the premise of not damaging the design purpose of the invention, the fabric layer, the foam layer and the base cloth layer can also be made of materials with flame retardant function, ultraviolet light absorption function, ageing resistance function and the like. In order to increase the light transmission of the skin, all materials, except the deliberately added dyes/pigments, should be preferably colorless or light-colored, if possible.
According to the invention, there is provided a light transmissive facing fabric and a coverable light transmissive trim application comprising the same. When the light-transmitting facing cloth is applied to the automotive trim, the grade, the decorative effect and the driving experience of the automotive trim are greatly improved.
It should be understood that the light-transmitting facing fabric is not limited to automotive interior applications, but may be used in other applications, and may have reduced number of layers depending on customer requirements, such as eliminating foam layers or eliminating base fabric layers. Meanwhile, the facing layer can be printed on the coating layer or the waterproof layer, and the upper part and the lower part of the coating layer or the upper part and the lower part of the waterproof layer are all arranged in the protection periphery of the patent.
Implementation 1:
s1, sequentially compounding, bonding and connecting the fabric layer, the waterproof layer and the foam layer to prepare a compound.
S2, 20 parts of ethylene-vinyl acetate copolymer, 16 parts of polyvinyl alcohol, 16 parts of isocyanate, 7 parts of polyether glycol, 7 parts of diethyltoluenediamine, 0.1 part of dimethyl siloxane and 0.5 part of superfine calcium carbonate. 400RPM for 30 minutes, 1000RPM for 25 minutes, 1500RPM for 30 minutes. The three-roller grinder grinds 3 times, and the fineness is 25um for the first time, and 14um for the second time, and 5um for the third time. Then placing the mixture in a vacuum defoaming box, setting the pressure to minus 0.4MPa for 40 minutes, and finally obtaining the coating raw material.
S3, coating S2 on the S1, wherein the spraying temperature is 60 ℃, the spraying pressure is 15MPa, and the spraying thickness is 0.6mm. Drying at 70 ℃ for 20 minutes, peeling off the release paper, and drying at 90 ℃ again for 50 minutes. The mixture was left at 35℃for 24 hours at room temperature.
S4, 10 parts of iron oxide black, 10 parts of graphite, 30 parts of vinyl chloride-vinyl acetate copolymer, 10 parts of epoxy resin, 20 parts of butanone and 10 parts of DBE are mixed and poured into a glass round mouth bottle. The stirring speed was 150RPM,25 ℃,35 ℃,45 ℃,55 ℃,65 ℃,75 ℃,85 ℃,95 ℃,100 ℃,110 ℃,120 ℃ were slowly warmed up, each temperature point was kept for 5 minutes, finally 120 ℃, was kept for 30 minutes, and then naturally cooled to room temperature. The three-roller grinder grinds 3 times, and the first fineness is 23um, and the second is 12um, and the third is 5um. Then placing the mixture in a vacuum defoaming box, setting the pressure to minus 0.4MPa for 40 minutes, and finally obtaining the finishing ink.
S5, printing an S4 and 250 mesh silk screen on the S3, drying the silk screen at the thickness of 5um and the temperature of 60 ℃ for 15 minutes, and finally obtaining the compound with the facing pattern.
And S6, printing anti-corrosion ink on the S5 for protection. 300 mesh screen, thickness 3um, uv cured for 3 minutes.
And S7, sticking the base cloth on the S6.
Implementation 2:
s1, sequentially compounding, bonding and connecting the fabric layer, the waterproof layer and the foam layer to prepare a compound.
S2, 25 parts of ethylene-vinyl acetate copolymer, 25 parts of polyvinyl alcohol, 25 parts of isocyanate, 15 parts of polyether glycol, 15 parts of diethyltoluenediamine, 0.5 part of dimethyl siloxane and 1.5 parts of superfine calcium carbonate. 400RPM for 30 minutes, 1000RPM for 25 minutes, 1500RPM for 30 minutes. The three-roller grinder grinds for 4 times, the first fineness is 28um, the second fineness is 23um, the second fineness is 11um, and the fourth fineness is 5um. Then placing the mixture in a vacuum defoaming box, setting the pressure to minus 0.4MPa for 40 minutes, and finally obtaining the coating raw material.
S3, coating S2 on the S1, wherein the spraying temperature is 60 ℃, the spraying pressure is 15MPa, and the spraying thickness is 0.4mm. Drying at 70 ℃ for 20 minutes, peeling off the release paper, and drying at 90 ℃ again for 40 minutes. The mixture was left at 35℃for 24 hours at room temperature.
S4, 15 parts of iron oxide black, 15 parts of graphite, 40 parts of vinyl chloride-vinyl acetate copolymer, 15 parts of epoxy resin, 30 parts of butanone and 15 parts of DBE are mixed and poured into a glass round mouth bottle. The stirring speed was 150RPM,25 ℃,35 ℃,45 ℃,55 ℃,65 ℃,75 ℃,85 ℃,95 ℃,100 ℃,110 ℃,120 ℃ were slowly warmed up, each temperature point was kept for 5 minutes, finally 120 ℃, was kept for 30 minutes, and then naturally cooled to room temperature. The three-roller grinder grinds for 4 times, the first fineness is 47um, and the second fineness is 22um, and the third fineness is 11um, and the fourth fineness is 5um. Then placing the mixture in a vacuum defoaming box, setting the pressure to be-0.4 MPa for 40 minutes, and finally obtaining the finishing ink.
S5, printing an S4 and 250 mesh silk screen on the S3, drying the silk screen at the thickness of 5um and the temperature of 60 ℃ for 15 minutes, and finally obtaining the compound with the facing pattern.
And S6, printing anti-corrosion ink on the S5 for protection. 300 mesh screen, thickness 3um, uv cured for 3 minutes.
And S7, sticking the base cloth on the S6.
Implementation 3:
s1, sequentially compounding, bonding and connecting the fabric layer, the waterproof layer and the foam layer to prepare a compound.
S2, 22 parts of ethylene-vinyl acetate copolymer, 22 parts of polyvinyl alcohol, 22 parts of isocyanate, 8 parts of polyether glycol, 8 parts of diethyltoluene di, 0.3 part of dimethyl siloxane and 1 part of superfine calcium carbonate. 400RPM for 30 minutes, 1000RPM for 25 minutes, 1500RPM for 30 minutes. The three-roller grinder grinds 3 times, and the fineness is 28um for the first time, and 16um for the second time, and 6um for the third time. Then placing the mixture in a vacuum defoaming box, setting the pressure to minus 0.4MPa for 40 minutes, and finally obtaining the coating raw material.
S3, coating S2 on the S1, wherein the spraying temperature is 60 ℃, the spraying pressure is 15MPa, and the spraying thickness is 0.6mm. Drying at 70 ℃ for 20 minutes, peeling off the release paper, and drying at 90 ℃ again for 50 minutes. The mixture was left at 35℃for 24 hours at room temperature.
S4, 13 parts of iron oxide black, 13 parts of graphite, 35 parts of vinyl chloride-vinyl acetate copolymer, 12 parts of epoxy resin, 20 parts of butanone and 15 parts of DBE are mixed and poured into a glass round mouth bottle. The stirring speed was 150RPM,25 ℃,35 ℃,45 ℃,55 ℃,65 ℃,75 ℃,85 ℃,95 ℃,100 ℃,110 ℃,120 ℃ were slowly warmed up, each temperature point was kept for 5 minutes, finally 120 ℃, was kept for 30 minutes, and then naturally cooled to room temperature. The three-roller grinder grinds 3 times, and the fineness is 25um for the first time, and 17um for the second time, and 8um for the third time, and 4um for the fourth time. Then placing the mixture in a vacuum defoaming box, setting the pressure to minus 0.4MPa for 40 minutes, and finally obtaining the finishing ink.
S5, printing an S4 and 250 mesh silk screen on the S3, drying the silk screen at the thickness of 5um and the temperature of 60 ℃ for 15 minutes, and finally obtaining the compound with the facing pattern.
And S6, printing anti-corrosion ink on the S5 for protection. 300 mesh screen, thickness 3um, uv cured for 3 minutes.
And S7, sticking the base cloth on the S6.
The light transmission performance of the light-transmitting material completely meets the requirements.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed.

Claims (8)

1. A manufacturing process of light-transmitting facing cloth is characterized in that: the light-transmitting facing fabric comprises a fabric layer, a waterproof layer, a foam layer, a coating layer, a protective layer and a base fabric layer; the fabric layer, the waterproof layer, the foam layer, the coating layer, the protective layer and the base fabric layer are sequentially connected; the waterproof layer and any one layer of the coating layer are provided with a facing layer; the manufacturing process of the light-transmitting facing fabric comprises the following steps in sequence
S1, sequentially compounding and bonding a fabric layer, a waterproof layer and a foam layer;
s2, preparing a coating raw material, and mixing, stirring, grinding and defoaming the coating raw material formula to obtain a coating raw material;
s3, setting the coating raw material obtained in the step S2 on the foam layer processed in the step S1 through four steps of glue spraying, drying, standing and curing to form a coating layer;
s4, setting a protective layer, wherein any one of printing, hot stamping, spraying, pasting, transfer printing, adsorbing and electroplating is adopted, namely insulating transparent ink is arranged on the coating layer obtained in the step S3, so that the protective layer is formed;
s5, sticking base cloth and warp and weft cloth on the protective layer formed in the S4 to form a base cloth layer, and obtaining the light-transmitting facing cloth;
the waterproof layer in the S1 is a polyethylene film or a polytetrafluoroethylene film, the foam layer is a three-dimensional fabric, and the fabric layer is one of polycarbonate, polymethyl methacrylate, acrylonitrile-butadiene-styrene plastic, polyethylene terephthalate, polyvinyl chloride, polypropylene, polyimide, PUR polyurethane and olefin elastomer;
the formula of the raw materials of the coating layer in the S2 comprises the following components in parts by weight: 20-25 parts of ethylene-vinyl acetate copolymer, 16-25 parts of polyvinyl alcohol, 16-25 parts of isocyanate, 7-15 parts of polyether glycol, 7-15 parts of diethyltoluenediamine, 0.1-0.5 part of dimethyl siloxane and 0.5-1.5 parts of superfine calcium carbonate;
and S5, the pasting sequence of the base cloth and the warp and weft cloth is that the warp and weft cloth is firstly pasted, and then the base cloth is pasted.
2. The process for manufacturing the light-transmitting facing fabric according to claim 1, wherein the process comprises the following steps of: the S2 preparation of the coating raw material comprises the following steps of
Step one, mixing, namely mixing the components of the raw materials of the coating layer;
step two, stirring, namely pouring the mixed product into a stirring tank to perform mixing stirring, stirring for 25 to 30 minutes at 400 to 600RPM, stirring for 25 to 30 minutes at 800 to 1000RPM, and stirring for 25 to 30 minutes at 1500 to 2000 RPM;
grinding, namely pouring the stirred product into a three-roller grinder for grinding for at least three times, and stopping grinding when the fineness of the ground raw material is lower than 8 um;
and fourthly, defoaming, namely placing the ground product into a vacuum defoaming box to perform defoaming, and lasting for 60-80 minutes at minus 0.5-minus 0.1MPa to obtain a coating layer raw material.
3. The process for manufacturing the light-transmitting facing fabric according to claim 1, wherein the process comprises the following steps of: the step S3: the drying operation needs to be performed twice: the first drying temperature is 65-75 ℃, the drying time is 15-20 minutes, the second drying temperature is 80-100 ℃, and the drying time is 5-10 minutes, and a sectional drying mode is adopted; the curing treatment temperature is between 35 and 40 ℃ and the curing treatment is kept for 24 hours.
4. The process for manufacturing the light-transmitting facing fabric according to claim 1, wherein the process comprises the following steps of: the method further comprises the step S6 of configuring the facing layer raw materials and the step S7 of setting the facing layer, wherein the formula of the facing layer raw materials in the facing layer is prepared according to the mass distribution percentage: 10-15 parts of iron oxide black, 10-15 parts of graphite, 30-40 parts of vinyl chloride-vinyl acetate copolymer, 10-15 parts of epoxy resin, 20-30 parts of butanone and 10-15 parts of DBE mixed dibasic acid ester; the preparation of the facing layer raw materials comprises the following steps:
firstly, mixing, namely diluting raw materials by using slow-drying water according to the printing process requirements;
heating and stirring the raw materials mixed in the step one, pouring the raw materials into a glass round-mouth bottle, fixing the round-mouth bottle on an oil bath pot, and stirring the mixture in the round-mouth bottle by using a rotary stirrer; slowly heating the oil bath from the room temperature environment, heating to 10 ℃ every 5 minutes, keeping for 5 minutes after heating to 10 ℃, heating to 120 ℃ finally, keeping for 30 minutes at 120 ℃, and naturally cooling to room temperature; in the heating and cooling process, the stirrer needs to stir all the time, and the rotating speed is 150 RPM-200 RPM;
grinding, namely pouring the product treated in the step two into a three-roller grinder for grinding for at least 3 times, and stopping grinding when the fineness is below 5 um;
step four, defoaming, namely placing the ground raw materials in the step three in a vacuum defoaming box to perform defoaming, and lasting for 40-50 minutes at minus 0.5-minus 0.1MPa to finally obtain the raw materials of the finishing layer;
the light transmittance of the raw material of the facing layer is less than 5 percent, the fineness is less than 5um, and the viscosity is 8000-11000 mPa.s at 25 ℃;
and S7, setting a facing layer, printing the facing layer raw material obtained in the S6 on any one layer of a coating layer or a waterproof layer in a screen printing mode, and obtaining a facing pattern compound in a drying or curing mode to form the facing layer.
5. The process for manufacturing the light-transmitting facing fabric according to claim 4, wherein the process comprises the following steps of: and the step S7 is characterized in that a nylon silk screen with 250-300 meshes is adopted for silk screen printing, the printing thickness of the facing is more than 5um, and the light transmittance is less than 5%.
6. The process for manufacturing the light-transmitting facing fabric according to claim 4, wherein the process comprises the following steps of: and S7, the facing pattern is printed by a negative plate, the facing pattern is free of printing ink, other parts of the facing pattern are printed with printing ink, and the raw material of the facing layer is diluted by using slow-drying water in the printing process.
7. The process for manufacturing the light-transmitting facing fabric according to claim 4, wherein the process comprises the following steps of: the drying temperature in the step S7 is 60-80 ℃ and the drying time is 15-20 minutes; the curing mode is an ultraviolet curing mode for curing.
8. The process for manufacturing the light-transmitting facing fabric according to claim 1, wherein the process comprises the following steps of: the insulating transparent ink in the step S4 is transparent anticorrosive varnish or transparent anticorrosive ink material.
CN202210504441.XA 2022-05-10 2022-05-10 Light-transmitting facing fabric and manufacturing process thereof Active CN114872398B (en)

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