CN110576662A - PVC (polyvinyl chloride) coated silk polymer decorative film, preparation method and application thereof - Google Patents
PVC (polyvinyl chloride) coated silk polymer decorative film, preparation method and application thereof Download PDFInfo
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- CN110576662A CN110576662A CN201910820542.6A CN201910820542A CN110576662A CN 110576662 A CN110576662 A CN 110576662A CN 201910820542 A CN201910820542 A CN 201910820542A CN 110576662 A CN110576662 A CN 110576662A
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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
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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
- 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
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
- B32B2038/166—Removing moisture
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Abstract
the invention discloses a preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film, which comprises the following steps of: laminating and embossing: the PVC printing film, the bottom film and the face film are subjected to laminating by a laminating machine to obtain a PVC embossed film with three-dimensional grains; heating and covering wires: and heating the silk fiber to cover the silk on the three-dimensional texture of the PVC embossed film to obtain the PVC covered silk polymer decorative film. According to the invention, the silk fiber is adopted to cover the three-dimensional lines on the PVC embossed film, so that the PVC decorative film with rich three-dimensional layering sense and obvious visual effect is obtained, and the PVC decorative film has fine and clear lines, strong texture effect, no pungent smell and environmental protection; the preparation method is simple in preparation process, the product which is easy to operate and can be obtained has excellent performance, and the market competitiveness of enterprises is strong; the PVC decorative film prepared by the invention can be widely applied to decorative materials such as density boards, multilayer boards, foam boards, doors and windows and the like.
Description
Technical Field
the invention relates to the technical field of polymer composite materials, in particular to a PVC (polyvinyl chloride) coated silk polymer decorative film, a preparation method and application thereof.
Background
Along with the increasing demand of people for decorative home furnishing, the more decorative film used in the current decoration industry is the PVC decorative film which has the advantages of light weight, heat insulation, heat preservation, moisture protection, good corrosion resistance effect, high stability, dielectricity, durability, strong ageing resistance, high bending strength and impact toughness, high extensibility in fracture, smooth surface, bright color, strong decoration property, wide decoration application range, simple construction, convenient installation and the like.
the existing PVC decorative film is manufactured by using semi-hard plastic film to prepare various colors by using printing ink and a printing pattern roller through a color matching technology, and printing the colors on the film by using a printing machine, so that a surface layer effect with various clear colors is formed, in order to prevent the printing ink from decoloring, a protective film is coated on the surface of the film by using a laminating machine, so that the PVC decorative film does not change colors and decolor, different embossing rollers are adopted during laminating according to different requirements, but the PVC decorative film is manufactured by adopting the embossing mode, has single color level and cannot show three-dimensional stereoscopic impression, is particularly poor in visual perception, contains heavier peculiar smell and is not environment-friendly.
the patent publication 200910026134X discloses a method for preparing a PVC decorative film with imitated carved wood grains, which mainly comprises the steps of calendering, printing, attaching embossing, foaming and cooling to obtain the PVC decorative film. Because the foaming agent is added into the PVC base material, the surface of the decorative film is enabled to have deep concave-convex degree through secondary heating foaming, and the decorative film has a certain carving and hollow stereo appearance, but the decorative film finally shows a shallow stereo perception, the visual effect is not obvious, and meanwhile, the product still has a heavy peculiar smell.
disclosure of Invention
The invention provides a PVC (polyvinyl chloride) coated silk polymer decorative film, which is used for solving the problems in the prior art that: the existing PVC decorative film has the technical problems of weak stereoscopic impression, poor visual sense, heavy peculiar smell, environmental protection and the like.
The invention aims to provide a preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film, which comprises the following steps:
laminating and embossing:
the PVC printing film, the bottom film and the face film are subjected to laminating by a laminating machine to obtain a PVC embossed film with three-dimensional grains;
heating and covering wires:
and heating the silk fiber to cover the silk on the three-dimensional texture of the PVC embossed film to obtain the PVC covered silk polymer decorative film.
In order to better realize the invention, the heating silk covering adopts a laminating machine to cover the silk, the silk fiber is heated and pasted on the three-dimensional pattern of the PVC embossed film through a heating roller of the laminating machine, and after the silk covering, the silk fiber is cooled and shaped through a cooling roller to obtain the PVC covered silk polymer decorative film.
In order to better realize the invention, the heating temperature of the heating roller is 80-110 ℃, the traction tension of the heating roller is 10-20N, and the cooling temperature of the cooling roller is 25-35 ℃.
In order to better realize the invention, the heating temperature of the heating roller is 90-100 ℃, the traction tension of the heating roller is 15N, and the cooling temperature of the cooling roller is 28-32 ℃.
in order to better realize the invention, the surface layer of the PVC coated silk polymer decorative film is coated with a surface treating agent by a coating machine.
in order to better realize the invention, the PVC-coated silk polymer decorative film surface layer is dried by an air box after being coated with a surface treatment agent, and is rolled after being dried, wherein the drying temperature is 42-47 ℃, the rolling speed is 45m/min, and the rolling tension is 35-40N.
in order to better realize the invention, further, a back coating agent is coated on the bottom layer of the PVC-coated silk polymer decorative film through a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 38-45 ℃, the rolling speed is 50m/min, and the rolling tension is 40N.
in order to better realize the method, in the laminating and embossing process, the embossing pressure is 30-40N, the embossing is cooled through an ice water roller after being embossed, and then the embossing is shaped through a cooling guide wheel, wherein the temperature of the ice water roller is 8-11 ℃, and the temperature of the cooling guide wheel is 34-36 ℃.
The second purpose of the invention is to provide a PVC-coated silk polymer decorative film.
the third purpose of the invention is to provide the application of the PVC-coated silk polymer decorative film to the decorative material.
the manufacturing principle is as follows:
the invention provides a PVC-coated silk polymer decorative film, which is prepared into a PVC adhesive film by three-film adhesion in the manufacturing process, wherein the three films are respectively a face film, a printing film and a bottom film, the printing film needs to be pretreated before the three films are attached, the specific treatment is that the printing film is driven to pass through a printing machine printing plate by leading materials, the traction tension is 35N, ink and a printing pattern roller in the printing plate can carry out color template toning according to the requirements of customers, the printing ink passes through one fourth of the printing checkered roller, the printing material passes through the space between the printing checkered roller and the rubber roller through the rubber roller pressing, so that the printing film is printed with the patterns and the colors, the rubber roller pressure is 3.5kg, the printing speed is 50-80 m/min, and the winding tension is 3-5N, and the printing film prepared according to the parameters has the best effect.
and (3) carrying out three-film laminating on the treated printing film, the surface film and the bottom film, wherein the thickness of the surface film is 0.05-0.08 mm, and the surface film can be a transparent sheet, a functional film or a high-matte extinction film according to the requirements of customers. In the three-film laminating process, the surface film is adhered above the printing film in a softening and ironing mode through the fabric, the softening temperature of the fabric is 130-150 ℃, the bottom film is adhered below the printing film in a softening and ironing mode through the bottom supporting material, the softening temperature of the bottom supporting material is 120-140 ℃, the laminating of the surface film, the bottom film and the printing film is achieved through a heating roller of a laminating machine, the three films are quickly softened and laminated into a whole, and therefore the temperature of the heating roller is 160-170 ℃.
the PVC laminating film is obtained after laminating the three films, surface three-dimensional grains are pressed by an embossing rubber roll and an embossing flower roll of a laminating machine, in order to ensure that the three-dimensional effect of the three-dimensional grains is good and the subsequent silk covering process is not hindered, the embossing pressure is further limited and is 30-40N, the force at the moment can just obtain better three-dimensional grains, and if the embossing pressure is smaller or larger, the obtained grains are shallower or deeper, so that the three-dimensional effect after the subsequent silk covering is not obvious; and (3) cooling the film through an ice water roller after embossing, wherein the temperature of the ice water roller is 8-11 ℃, cooling, shaping through a cooling guide wheel, the temperature of the cooling guide wheel is 34-36 ℃, shaping, rolling through a rolling shaft, and controlling the tension of rolling at 15-22N to obtain the PVC embossed film. It is further explained that if the PVC embossed film directly enters the cooling guide wheel for shaping after embossing, the PVC embossed film is cooled too slowly in the shaping process, the PVC embossed film is easy to break or stretch during rolling, the performance of the product is not facilitated, and the PVC embossed film with the optimal performance can be obtained by the scheme provided by the invention because the PVC embossed film is bonded together during rolling due to slow temperature reduction and great trouble is caused to subsequent processes.
in order to ensure that the PVC decorative film is environment-friendly and can show a three-dimensional effect, the PVC embossed film is heated and covered with silk, silk fiber is adopted for covering, the silk fiber is natural and environment-friendly in raw material, fine and smooth in handfeel and rich in amino acid, and has a health-care effect, and the silk fiber is covered and adhered on the three-dimensional pattern, so that the three-dimensional effect is obvious, particularly the three-dimensional effect is distinct, and the pattern and the texture effect are very strong.
In the process of heating and covering silk fibers, in order to enable the silk fiber covering effect to be good, the silk fibers are required to be prevented from being broken in the silk covering process, so that parameters such as the heating temperature of the silk fibers and the traction tension of a heating roller are quite important, long-term experiments show that the heating temperature of the silk fibers is preferably 80-110 ℃, the traction tension of the heating roller is 10-20N, the experiment shows that the silk fibers are broken when the temperature of the silk fibers is lower than 80 ℃ or higher than 110 ℃, the heating temperature of the silk fibers is further preferably 90-100 ℃, the heating temperature is most suitable at the moment, the silk covering performance of the silk fibers is best, if the heating temperature is suitable, or the traction force is too large, the silk fibers can be broken when the silk covering fibers on the three-dimensional texture is not firm if the traction force is too small, the steel wire rope is easy to fall off, and is obtained through long-term experiments, and further preferably, the traction force is 15N.
in order to improve the PVC decorative film and the performance, a layer of surface treating agent is coated on the surface layer of the PVC silk-coated high-molecular decorative film, a layer of back coating agent is coated on the bottom layer, and the surface treating agent and the back coating agent are coated by a coating machine.
the back coating agent is mainly prepared by blending ethyl ester, butanone, acetic acid tincture ester and the like, has the main effects of enabling a PVC decorative film to be more firm in plastic suction in the using process, drying the PVC decorative film through an air box after being coated with the back coating agent, then drying the PVC decorative film through the air box, and rolling the PVC decorative film after drying, wherein the drying temperature is 38-45 ℃, the rolling speed is 50m/min, and the rolling tension is 40N, so that the purpose of setting parameters is convenient for quick drying, enabling the PVC decorative film to have no viscosity, and meanwhile, the rolling is facilitated.
The main components of the surface treating agent are essential oil, ethyl ester, methanol and a small amount of water, the surface treating agent is different from the conventional surface treating agent which is mainly polyurethane resin, polyester resin and the like, the conventional PVC decorative film has larger peculiar smell, and the surface treating agent has a certain reason besides the raw materials with heavier peculiar smell such as printing ink and the like, so the essential oil adopted by the surface treating agent is matched with the ethyl ester and the methanol, wherein the ethyl ester is used as a bonding agent and has certain aromatic smell, and the essential oil is doped with the methanol and the water on the basis, so the viscosity of the bonding agent can be ensured, the pungent smell of the product can be removed, and the performance of the product is more excellent.
After the surface treatment agent is coated on the surface of the PVC decorative film, drying and rolling are carried out through an air box, wherein the drying temperature is 42-47 ℃, the rolling speed is 45m/min, and the rolling tension is 35-40N, so that the PVC decorative film is favorable for no viscosity and is convenient to roll.
The embodiment of the invention has the beneficial effects that:
according to the invention, the silk fiber is adopted to cover the three-dimensional lines on the PVC embossed film, so that the PVC decorative film with rich three-dimensional layering sense and obvious visual effect is obtained, and the PVC decorative film has fine and clear lines, strong texture effect, no pungent smell and environmental protection;
The preparation method is simple in preparation process, the product which is easy to operate and can be obtained has excellent performance, and the market competitiveness of enterprises is strong;
The PVC decorative film prepared by the invention can be widely applied to decorative materials such as density boards, multilayer boards, foam boards, doors and windows and the like.
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
example 1:
a preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film comprises the following steps:
Laminating and embossing:
the method comprises the following steps of (1) passing a PVC printing film, a bottom film and a surface film through a laminating machine to obtain a PVC embossing film with three-dimensional grains, cooling the PVC embossing film through an ice water roller after embossing, and then shaping the PVC embossing film through a cooling guide wheel, wherein the temperature of the ice water roller is 8 ℃, and the temperature of the cooling guide wheel is 34 ℃;
heating and covering wires:
Heating silk fibers, uniformly covering the silk fibers on a three-dimensional pattern of a PVC embossed film, covering the silk fibers by using a laminating machine, heating the silk fibers by using a heating roller of the laminating machine, adhering the silk fibers on the three-dimensional pattern of the PVC embossed film, and cooling and shaping the silk fibers by using a cooling roller to obtain a PVC-coated high-molecular decorative film; the heating temperature of the heating roller is 80 ℃, the traction tension of the heating roller is 10N, and the cooling temperature of the cooling roller is 25 ℃;
coating:
back coating a layer of back coating agent on the bottom layer of the PVC coated high-molecular decorative film by a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 38 ℃, the rolling speed is 50m/min, and the rolling tension is 40N.
Surface treatment:
coating a layer of surface treating agent on the surface layer of the PVC covering and pasting high polymer decorative film through a coating machine, drying through an air box, and rolling after drying, wherein the drying temperature is 42 ℃, the rolling speed is 45m/min, and the rolling tension is 35N.
example 2:
A preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film comprises the following steps:
Laminating and embossing:
The method comprises the following steps of (1) passing a PVC printing film, a bottom film and a surface film through a laminating machine to obtain a PVC embossing film with three-dimensional grains, cooling the PVC embossing film through an ice water roller after embossing, and then shaping the PVC embossing film through a cooling guide wheel, wherein the temperature of the ice water roller is 9 ℃, and the temperature of the cooling guide wheel is 35 ℃;
Heating and covering wires:
Heating silk fibers, uniformly covering the silk fibers on a three-dimensional pattern of a PVC embossed film, covering the silk fibers by using a laminating machine, heating the silk fibers by using a heating roller of the laminating machine, adhering the silk fibers on the three-dimensional pattern of the PVC embossed film, and cooling and shaping the silk fibers by using a cooling roller to obtain a PVC-coated high-molecular decorative film; the heating temperature of the heating roller is 90 ℃, the traction tension of the heating roller is 15N, and the cooling temperature of the cooling roller is 28 ℃;
Coating:
Back coating a layer of back coating agent on the bottom layer of the PVC coated high-molecular decorative film by a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 40 ℃, the rolling speed is 50m/min, and the rolling tension is 40N.
surface treatment:
Coating a layer of surface treating agent on the surface layer of the PVC covering and pasting high polymer decorative film through a coating machine, drying through an air box, and rolling after drying, wherein the drying temperature is 46 ℃, the rolling speed is 45m/min, and the rolling tension is 38N.
Example 3:
a preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film comprises the following steps:
laminating and embossing:
The method comprises the following steps of (1) passing a PVC printing film, a bottom film and a surface film through a laminating machine to obtain a PVC embossing film with three-dimensional grains, cooling the PVC embossing film through an ice water roller after embossing, and then shaping the PVC embossing film through a cooling guide wheel, wherein the temperature of the ice water roller is 10 ℃, and the temperature of the cooling guide wheel is 35 ℃;
Heating and covering wires:
Heating silk fibers, uniformly covering the silk fibers on a three-dimensional pattern of a PVC embossed film, covering the silk fibers by using a laminating machine, heating the silk fibers by using a heating roller of the laminating machine, adhering the silk fibers on the three-dimensional pattern of the PVC embossed film, and cooling and shaping the silk fibers by using a cooling roller to obtain a PVC-coated high-molecular decorative film; the heating temperature of the heating roller is 95 ℃, the traction tension of the heating roller is 15N, and the cooling temperature of the cooling roller is 30 ℃;
coating:
Back coating a layer of back coating agent on the bottom layer of the PVC coated high-molecular decorative film by a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 38-45 ℃, the rolling speed is 50m/min, and the rolling tension is 40N.
Surface treatment:
coating a layer of surface treating agent on the surface layer of the PVC covering and pasting high polymer decorative film through a coating machine, drying through an air box, and rolling after drying, wherein the drying temperature is 43 ℃, the rolling speed is 45m/min, and the rolling tension is 37N.
Example 4:
A preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film comprises the following steps:
Laminating and embossing:
the method comprises the following steps of (1) passing a PVC printing film, a bottom film and a surface film through a laminating machine to obtain a PVC embossing film with three-dimensional grains, cooling the PVC embossing film through an ice water roller after embossing, and then shaping the PVC embossing film through a cooling guide wheel, wherein the temperature of the ice water roller is 10 ℃, and the temperature of the cooling guide wheel is 35 ℃;
heating and covering wires:
heating silk fibers, uniformly covering the silk fibers on a three-dimensional pattern of a PVC embossed film, covering the silk fibers by using a laminating machine, heating the silk fibers by using a heating roller of the laminating machine, adhering the silk fibers on the three-dimensional pattern of the PVC embossed film, and cooling and shaping the silk fibers by using a cooling roller to obtain a PVC-coated high-molecular decorative film; the heating temperature of the heating roller is 100 ℃, the traction tension of the heating roller is 15N, and the cooling temperature of the cooling roller is 32 ℃;
Coating:
Back coating a layer of back coating agent on the bottom layer of the PVC coated high-molecular decorative film by a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 39 ℃, the rolling speed is 50m/min, and the rolling tension is 40N.
surface treatment:
Coating a layer of surface treating agent on the surface layer of the PVC covering and pasting high polymer decorative film through a coating machine, drying through an air box, and rolling after drying, wherein the drying temperature is 43 ℃, the rolling speed is 45m/min, and the rolling tension is 38N.
example 5:
A preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film comprises the following steps:
Laminating and embossing:
the method comprises the following steps of (1) passing a PVC printing film, a bottom film and a surface film through a laminating machine to obtain a PVC embossing film with three-dimensional grains, cooling the PVC embossing film through an ice water roller after embossing, and then shaping the PVC embossing film through a cooling guide wheel, wherein the temperature of the ice water roller is 11 ℃, and the temperature of the cooling guide wheel is 36 ℃;
Heating and covering wires:
heating silk fibers, uniformly covering the silk fibers on a three-dimensional pattern of a PVC embossed film, covering the silk fibers by using a laminating machine, heating the silk fibers by using a heating roller of the laminating machine, adhering the silk fibers on the three-dimensional pattern of the PVC embossed film, and cooling and shaping the silk fibers by using a cooling roller to obtain a PVC-coated high-molecular decorative film; the heating temperature of the heating roller is 110 ℃, the traction tension of the heating roller is 20N, and the cooling temperature of the cooling roller is 35 ℃;
Coating:
back coating a layer of back coating agent on the bottom layer of the PVC coated high-molecular decorative film by a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 45 ℃, the rolling speed is 50m/min, and the rolling tension is 40N.
Surface treatment:
coating a layer of surface treating agent on the surface layer of the PVC covering and pasting high polymer decorative film through a coating machine, drying through an air box, and rolling after drying, wherein the drying temperature is 47 ℃, the rolling speed is 45m/min, and the rolling tension is 40N.
Comparative example 1:
a preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film comprises the following steps:
laminating and embossing:
The method comprises the following steps of (1) passing a PVC printing film, a bottom film and a surface film through a laminating machine to obtain a PVC embossing film with three-dimensional grains, cooling the PVC embossing film through an ice water roller after embossing, and then shaping the PVC embossing film through a cooling guide wheel, wherein the temperature of the ice water roller is 7 ℃, and the temperature of the cooling guide wheel is 30 ℃;
Heating and covering wires:
Heating silk fibers, uniformly covering the silk fibers on a three-dimensional pattern of a PVC embossed film, covering the silk fibers by using a laminating machine, heating the silk fibers by using a heating roller of the laminating machine, adhering the silk fibers on the three-dimensional pattern of the PVC embossed film, and cooling and shaping the silk fibers by using a cooling roller to obtain a PVC-coated high-molecular decorative film; the heating temperature of the heating roller is 70 ℃, the traction tension of the heating roller is 5N, and the cooling temperature of the cooling roller is 15 ℃;
Coating:
back coating a layer of back coating agent on the bottom layer of the PVC coated high-molecular decorative film by a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 25 ℃, the rolling speed is 10m/min, and the rolling tension is 40N.
Surface treatment:
coating a layer of surface treating agent on the surface layer of the PVC covering and pasting high polymer decorative film through a coating machine, drying through an air box, and rolling after drying, wherein the drying temperature is 17 ℃, the rolling speed is 25m/min, and the rolling tension is 10N.
Comparative example 2:
A preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film comprises the following steps:
Laminating and embossing:
The method comprises the following steps of (1) passing a PVC printing film, a bottom film and a surface film through a laminating machine to obtain a PVC embossing film with three-dimensional grains, cooling the PVC embossing film through an ice water roller after embossing, and then shaping the PVC embossing film through a cooling guide wheel, wherein the temperature of the ice water roller is 20 ℃, and the temperature of the cooling guide wheel is 30 ℃;
heating and covering wires:
heating silk fibers, uniformly covering the silk fibers on a three-dimensional pattern of a PVC embossed film, covering the silk fibers by using a laminating machine, heating the silk fibers by using a heating roller of the laminating machine, adhering the silk fibers on the three-dimensional pattern of the PVC embossed film, and cooling and shaping the silk fibers by using a cooling roller to obtain a PVC-coated high-molecular decorative film; the heating temperature of the heating roller is 150 ℃, the traction tension of the heating roller is 50N, and the cooling temperature of the cooling roller is 45 ℃;
Coating:
Back coating a layer of back coating agent on the bottom layer of the PVC coated high-molecular decorative film by a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 25 ℃, the rolling speed is 20m/min, and the rolling tension is 20N.
Surface treatment:
coating a layer of surface treating agent on the surface layer of the PVC covering and pasting high polymer decorative film through a coating machine, drying through an air box, and rolling after drying, wherein the drying temperature is 25 ℃, the rolling speed is 25m/min, and the rolling tension is 25.
comparative example 3:
a preparation method of a PVC decorative film comprises the following steps:
laminating and embossing:
the method comprises the following steps of (1) passing a PVC printing film, a bottom film and a surface film through a laminating machine to obtain a PVC embossing film with three-dimensional grains, cooling the PVC embossing film through an ice water roller after embossing, and then shaping the PVC embossing film through a cooling guide wheel, wherein the temperature of the ice water roller is 15 ℃, and the temperature of the cooling guide wheel is 40 ℃;
Coating:
Back coating a layer of back coating agent on the bottom layer of the PVC coated high-molecular decorative film by a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 50 ℃, the rolling speed is 60m/min, and the rolling tension is 50N.
surface treatment:
And coating a layer of surface treating agent on the surface layer of the PVC-coated high-molecular decorative film by a coating machine, wherein the surface treating agent is a conventional treating agent, drying by an air box, and rolling after drying, wherein the drying temperature is 50 ℃, the rolling speed is 40m/min, and the rolling tension is 50N.
description of the experiment:
the above examples 1 to 5 and comparisons 1 to 3 were subjected to performance tests:
tests were performed mainly on visual sensory, surface abrasion resistance.
wherein the surface abrasion resistance is as specified in GB/T17657-1999 4.38, as shown in the table
In addition, the visual effect of the PVC decorative film prepared in each experimental example and comparative example is subjected to crowd touch and visual perception tests, the number of tested crowds is 800, wherein the number of the tested crowds is equal to that of old and young, men and women, and the results are represented by I, II, III, IV and V, wherein I represents no three-dimensional sense and poor texture; II has fine stereoscopic impression, but the texture is poor, III has stereoscopic impression, the texture is good, IV is rich in stereoscopic impression, the texture is good; v has rich stereoscopic impression and good texture.
the experimental results of the above experimental examples 1 to 5 and comparative examples 1 to 3 are as follows:
the comparison of the experimental data shows that the product prepared by the preparation method provided by the invention is obviously superior to comparative examples 1-3 in surface wear resistance and visual perception.
In addition, the test results of elongation at break and tensile strength, and embossed retention and light resistance were also performed for the experimental examples 1 to 5 and the comparative examples 1 to 3, and the test results were as follows:
the comparison shows that the PVC decorative films obtained by the scheme provided by the invention in the examples 1-5 have the performances of elongation at break, tensile strength, embossing retention and light resistance in comparison examples 1-3.
the comparison of the above experimental examples 1 to 5 shows that the experimental examples 2 to 4 are excellent in all the properties, and the most excellent is experimental example 3.
while embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. a preparation method of a PVC (polyvinyl chloride) coated silk polymer decorative film is characterized by comprising the following steps: the method comprises the following steps:
Laminating and embossing:
The PVC printing film, the bottom film and the face film are subjected to laminating by a laminating machine to obtain a PVC embossed film with three-dimensional grains;
heating and covering wires:
and heating the silk fiber to cover the silk on the three-dimensional texture of the PVC embossed film to obtain the PVC covered silk polymer decorative film.
2. The method of claim 1, wherein: the silk is covered in the heating adopts rigging machine to cover the silk, silk fibre through the warming mill heating of rigging machine paste in on the three-dimensional line of PVC emboss membrane, cover the silk after, cool off the design through the chill roll again, obtain PVC and cover and paste silk polymer decorating film.
3. the method of claim 2, wherein: the heating temperature of the heating roller is 80-110 ℃, the traction tension of the heating roller is 10-20N, and the cooling temperature of the cooling roller is 25-35 ℃.
4. the production method according to claim 3, characterized in that: the heating temperature of the heating roller is 90-100 ℃, the traction tension of the heating roller is 15N, and the cooling temperature of the cooling roller is 28-32 ℃.
5. The production method according to any one of claims 1 to 4, characterized in that: and coating a surface treatment agent on the surface layer of the PVC covering and pasting silk polymer decorative film through a coating machine.
6. the method of claim 5, wherein: the PVC coated silk polymer decoration film surface layer is dried through an air box after being coated with a surface treatment agent, and is wound after being dried, wherein the drying temperature is 42-47 ℃, the winding speed is 45m/min, and the winding tension is 35-40N.
7. The production method according to any one of claims 1 to 5, characterized in that: coating a back coating agent on the bottom layer of the PVC-coated silk polymer decorative film by a coating machine; and then drying by an air box, and rolling after drying, wherein the drying temperature is 38-45 ℃, the rolling speed is 50m/min, and the rolling tension is 40N.
8. the method of claim 1, wherein: in the laminating and embossing process, the embossing pressure of a printing machine is 30-40N, the embossing machine is cooled through an ice water roller after being embossed, and then the embossing machine is shaped through a cooling guide wheel, wherein the temperature of the ice water roller is 8-11 ℃, and the temperature of the cooling guide wheel is 34-36 ℃.
9. the preparation method of claim 1 is used for preparing the PVC-coated silk polymer decorative film.
10. the use of the PVC coated silk polymer decorative film according to claim 9 as a decorative material.
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