CN110588113A - PVC decorative film and water-based ink developing and printing method of PVC decorative film - Google Patents

PVC decorative film and water-based ink developing and printing method of PVC decorative film Download PDF

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Publication number
CN110588113A
CN110588113A CN201910808456.3A CN201910808456A CN110588113A CN 110588113 A CN110588113 A CN 110588113A CN 201910808456 A CN201910808456 A CN 201910808456A CN 110588113 A CN110588113 A CN 110588113A
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Prior art keywords
film
pvc
coating
embossing
temperature
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CN201910808456.3A
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CN110588113B (en
Inventor
潘勇
章登富
代习刚
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CHENGDU DILONG NEW MATERIAL Co Ltd
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CHENGDU DILONG NEW MATERIAL Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/06Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/30Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00Layered 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284Application of adhesive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/06Embossing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/14Printing or colouring
    • B32B38/145Printing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/16Drying; Softening; Cleaning
    • B32B38/164Drying
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/18Handling of layers or the laminate
    • B32B38/1825Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00Ancillary operations in connection with laminating processes
    • B32B38/18Handling of layers or the laminate
    • B32B38/1875Tensioning

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Laminated Bodies (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

The invention discloses a water-based ink printing method of a PVC decorative film, which comprises the steps of printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating the face film, the middle film and the bottom film through a preheating heating roller to obtain the PVC laminating film, wherein the temperature of the heating roller is 150-180 ℃; the PVC laminating film passes through a space between an embossing rubber roll and an embossing roll, the embossing pressure of the embossing roll is 30-45N, and the PVC embossing film with relief grains is obtained, wherein the relief grains are located on the top surface layer of the PVC embossing film; the method comprises the following steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink into embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling, and obtaining a PVC printing film, wherein the ink is water-based ink; coating a layer of back coating agent on the bottom surface layer of the PVC die through a coating machine, and drying through a bellows to obtain a PVC coating film; and (3) allowing the surface layer of the PVC coating film to face downwards to pass through a coating machine, coating a layer of treating agent on the surface of the PVC coating film, and performing risk drying to obtain the PVC decorative film.

Description

PVC decorative film and water-based ink developing and printing method of PVC decorative film
Technical Field
The invention relates to the technical field of preparation of PVC decorative films, in particular to a PVC decorative film and a water-based ink developing and printing method of the PVC decorative film.
Background
Along with the increasing demand of people for decorating home furnishing, the environmental-friendly materials are also paid more and more attention, and the decorative layer is printed by adopting solvent type ink or water-based ink by taking a PVC film as a base material in the traditional home furnishing industry decorative film.
The existing PVC decorative film preparation process has the technical problems of low efficiency, weak stereoscopic impression of the prepared decorative film and weak visual impact feeling of people.
Disclosure of Invention
The invention provides a water-based ink printing method of a PVC decorative film, which is used for solving the problems in the prior art that: in the process of producing the PVC decorative film, the preparation efficiency is low, and the prepared PVC decorative film has weak stereoscopic impression.
The invention aims to provide a water-based ink printing method of a PVC decorative film, which comprises the following steps:
s1: three-film lamination
Printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating through a preheating heating roller to obtain a PVC laminating film, wherein the temperature of the heating roller is 150-180 ℃;
s2: laminating impressed watermark
The PVC laminating film passes through a space between an embossing rubber roll and an embossing roll, the embossing pressure of the embossing roll is 30-45N, and the PVC embossing film with relief grains is obtained, wherein the relief grains are located on the top surface layer of the PVC embossing film;
s3: developing and printing
The method comprises the following steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink into embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling, and obtaining a PVC printing film, wherein the ink is water-based ink;
s4: coating of
Coating a layer of back coating agent on the bottom surface layer of the PVC die through a coating machine, and drying through a bellows to obtain a PVC coating film;
s5: surface treatment
And (3) downwards passing the surface layer of the PVC coating film through a coating machine, coating a layer of treating agent on the surface of the PVC coating film, and then carrying out risk drying to obtain the PVC decorative film.
The second purpose of the invention is to provide a PVC decorative film prepared by the method.
The existing PVC decorative film is used for building materials, the PVC decorative film and a base material are subjected to plastic suction to prepare a density board, a multilayer board and the like, and in order to meet the requirements of public decoration, the shape on the PVC decorative film is very important, the existing PVC decorative film has a certain pattern structure, but the problems of non-three-dimensional and non-image pattern structure and low efficiency of preparing the PVC decorative film exist.
In order to solve the problem that patterns on the PVC film are not three-dimensional, the following preparation process is adopted:
printing a ground color on a middle film, attaching a face film, a middle film and a bottom film in a three-film manner, further controlling the temperature during the attaching process, wherein the temperature of the face film is controlled to be 110-170 ℃, further preferably between 130-150 ℃, the temperature of the bottom film is controlled to be 100-160 ℃, further preferably between 120-140 ℃, the attaching effect is influenced by the temperature during the attaching process, and the temperature is preferably selected mainly because the face film and the bottom film can be rapidly softened at the temperature, so that the three films can be seamlessly adhered together at zero distance during the attaching of a heating roller, and the temperature of the heating roller is preferably 150-180 ℃, further preferably between 160-170 ℃ during the attaching, so that the three films can be rapidly softened and are attached into a whole.
The PVC laminated film is obtained after the three films are laminated, the PVC embossed film with the embossed grains is obtained through the embossing rubber roll and the embossing roller, when the embossed grains are pressed, the size of embossing pressure has quite important influence on the embodiment of the embossed grains, long-term research shows that the embossed grains pressed out when the embossing pressure is 30-45N are ideal, further, when the embossing pressure is 35-40N, the pressed embossed grains are ideal, the grains which are mainly expressed are three-dimensional and clear, the color of the final PVC decorative film is saturated, the visual sense is strongest, the embossed grains which are obtained when the embossing pressure is smaller than or larger than the embossing pressure have defects of different degrees, and the visual sense of the PVC decorative film obtained in the later period is poor in three-dimensional effect.
The PVC embossed film with the embossed grains is washed and printed after being obtained, and the washing and printing method is particularly important for embodying the embossed grains, so that the PVC embossed film is filled with ink through a printing machine, the ink is water-based ink with a specific color, the water-based ink is environment-friendly and has a good market prospect, after the ink is applied, the scraper is used for scraping the excessive water-based ink on the surface of the PVC embossed film, and only the water-based ink on the embossed grains is reserved, so that the decorative grains of the product are embodied.
And coating a layer of back coating agent on the bottom surface layer of the obtained PVC wash printing film to obtain a PVC coating film, and coating a layer of treating agent on the top surface layer of the PVC coating film to ensure that the whole PVC decorative film is more wear-resistant and the embossed lines of the PVC decorative film are clearer and have more layering and artistic feelings.
The PVC decorative film prepared by the method provided by the invention has the natural exposure of more than 3 grades, the surface wear resistance of more than 80r, the lowest value of stripping resistance of 40N, the average value of 45N and the gloss degree of 3-5 degrees.
Further, the temperature of the heating roller in the step S1 is 160-170 ℃.
Further, in the three-film laminating process of the step S1, the temperature of the surface film is 110-170 ℃, and the temperature of the bottom film is 100-160 ℃.
Further, in the three-film laminating process of the step S1, the temperature of the surface film is 130-150 ℃, and the temperature of the bottom film is 120-140 ℃.
Further, the embossing pressure of the embossing roller in the step S2 is 35-40N.
Further, in the step S2 of laminating and embossing, the obtained PVC embossed film is cooled through an ice water roller, and then 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 ℃.
Further, the PVC developing and printing die obtained in the step S3 is dried by a wind box; the temperature of the air box is 40-50 ℃, the PVC developing and printing film is dried and then wound, the winding speed is 50m/min, the winding tension is controlled to be 3.5-4.5N, and the surface glossiness is 3-5 degrees.
Further, drying the PVC coating film obtained in the step S4 by an air box, wherein the temperature of the air box is 38-45 ℃, and the PVC coating film is dried and then wound, wherein the winding speed is 50m/min, and the winding tension is controlled at 40N.
And further, drying the PVC decorative film obtained in the step S5 through an air box, wherein the temperature of the air box is 42-47 ℃, and after drying, rolling is carried out, the rolling speed is 45m/min, and the rolling tension is controlled at 35-40N.
It is particularly stated that the water-based ink, the back coating agent and the surface treatment agent are all doped with water, so that the water on the membrane can be quickly dried and is convenient to wind, the membrane needs to be put into an air box for drying so as to enable important components in the solvent, such as ink and essential oil, to be attached to the membrane, but the temperature in the air box has certain change due to the fact that the water doped on the water-based ink, the back coating agent and the treatment agent is different, for example, the water content in the washing and printing process of the step S3 is more, so that the temperature is controlled to be 40-50 ℃, and the arrangement can not only ensure that the product is sticky when being wound but also is beneficial to winding; the back coating agent used in the step S4 coating is mainly composed of essential oil, so that the temperature needs to be slightly lower and is further set to be 38-45 ℃, and the back coating agent can ensure that the back coating agent is free from viscosity and easy to roll during rolling; the treating agent in the step S5 contains alcohol and essential oil, and the surface of the film is wear-resistant and beautiful after treatment, so that the temperature needs to be set higher, specifically 42-47 ℃, and the condition that the film is free of viscosity and easy to roll during rolling can be ensured.
Except that the temperature has great influence on the PVC decorative film, the rolling speed and the tension are also important, and the excellent PVC decorative film can be obtained only by jointly regulating and controlling the temperature, the rolling speed and the rolling tension to prepare the PVC decorative film.
Wherein in S3 printing, the winding speed of 50m/min and the winding tension of 3.5-4.5N are preferably adopted, and the winding speed and the tension are matched through a wind box after printing, so that the semi-finished product is not stretched through the tension, dust in the air is not easily adhered, and the semi-finished product is ensured not to have quality problems.
Wherein, in the S4 coating, the winding speed is 50m/min and the winding tension is 40N, the winding speed and the tension are matched through a wind box after back coating, and the tension of the semi-finished product is controlled by the tension of 40N, so that the flat and rapid winding of the semi-finished product is ensured.
Wherein in the S5 surface treatment, the winding speed is 45m/min and the winding tension is 35-40N, the winding speed and the tension are matched through an air box after the surface treatment, the tension range of the product is controlled by 35-40N, the product is ensured to be flat and not to wrinkle, and the winding speed of 45m/min can ensure that the product is wound stably and quickly without wrinkling.
By the synergistic effect of the parameters and the process, the stereoscopic vision effect of the manufactured PVC decorative film is obvious and outstanding.
The embodiment of the invention has the beneficial effects that: the technical scheme provided by the invention has the advantages of simple preparation process, easy operation, flow operation and high working efficiency, and the obtained PVC decorative film has rich relief color levels and clear lines, and because the water-based ink has bright and saturated color, the water-based ink has the characteristics of obvious environmental protection, safety, no toxicity, no harm or no explosion, and the volatilization of residual organic matters is reduced, so that the prepared PVC decorative film material is safe and environment-friendly, and can be applied to various surface materials of decoration, fitment and furniture kitchenware.
According to the invention, the PVC decorative film is prepared through the steps of three-film laminating, laminating embossing, printing, coating and surface treatment, and in the preparation process, each step is synergistic but none is available, so that the prepared PVC decorative film has the effects of clear and three-dimensional embossed grains and strong color saturation visual effect.
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 are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments.
Example 1:
a water-based ink printing method of a PVC decorative film,
s1: three-film lamination
Printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating the face film, the middle film and the bottom film through a preheating heating roller to obtain a PVC laminating film, wherein the temperature of the heating roller is 150 ℃, the temperature of the face film on the face film is 110 ℃, and the temperature of the bottom film is 100 ℃;
s2: laminating impressed watermark
The PVC laminating film is passed between an embossing rubber roll and an embossing roll, the embossing pressure of the embossing roll is 30N, the PVC embossing film with embossed grains is obtained, the embossed grains are located on the top surface layer of the PVC embossing film, the obtained PVC embossing film is cooled through an ice water roll, then the PVC embossing film is shaped through a cooling guide wheel, the temperature of the ice water roll is 8 ℃, and the temperature of the cooling guide wheel is 34 ℃;
s3: developing and printing
The method comprises the following steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink into embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling, and obtaining a PVC printing film, wherein the ink is water-based ink;
drying the obtained PVC developing and printing die by an air box; the temperature of the air box is 40 ℃, the PVC developing and printing film is dried and then is rolled, the rolling speed is 50m/min, and the rolling tension is controlled to be 3.5N;
s4: coating of
Enabling the bottom surface layer of the PVC die to pass through a coating machine, coating a layer of back coating agent on the surface layer, drying the bottom surface layer through an air box to obtain a PVC coating film, drying the PVC coating film through the air box, wherein the temperature of the air box is 38 ℃, and winding the PVC coating film after drying, wherein the winding speed is 50m/min, and the winding tension is controlled at 40N;
s5: surface treatment
And (2) allowing the surface layer of the PVC coating film to pass through a coating machine downwards to coat a layer of treating agent on the surface, then performing risk drying to obtain a PVC decorative film, and drying the PVC decorative film through an air box at the temperature of 42 ℃ and then rolling, wherein the rolling speed is 45m/min, and the rolling tension is controlled at 35N.
Example 2:
a water-based ink printing method of a PVC decorative film,
s1: three-film lamination
Printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating the face film, the middle film and the bottom film through a preheating heating roller to obtain a PVC laminating film, wherein the temperature of the heating roller is 155 ℃, the face film and the bottom film are added, the temperature of the face film is 115 ℃, and the temperature of the bottom film is 105 ℃;
s2: laminating impressed watermark
The PVC laminating film is passed between an embossing rubber roll and an embossing roll, the embossing pressure of the embossing roll is 30N, the PVC embossing film with embossed grains is obtained, the embossed grains are located on the top surface layer of the PVC embossing film, the obtained PVC embossing film is cooled through an ice water roll, then the PVC embossing film is shaped through a cooling guide wheel, the temperature of the ice water roll is 9 ℃, and the temperature of the cooling guide wheel is 34 ℃;
s3: developing and printing
The method comprises the following steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink into embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling, and obtaining a PVC printing film, wherein the ink is water-based ink;
drying the obtained PVC developing and printing die by an air box; the temperature of the air box is 40 ℃, the PVC developing and printing film is dried and then is rolled, the rolling speed is 50m/min, and the rolling tension is controlled to be 3.7N;
s4: coating of
Enabling the bottom surface layer of the PVC die to pass through a coating machine, coating a layer of back coating agent on the surface layer, drying the bottom surface layer through an air box to obtain a PVC coating film, drying the PVC coating film through the air box, wherein the temperature of the air box is 38 ℃, and winding the PVC coating film after drying, wherein the winding speed is 50m/min, and the winding tension is controlled at 40N;
s5: surface treatment
And (2) allowing the surface layer of the PVC coating film to pass through a coating machine downwards to coat a layer of treating agent on the surface, then performing risk drying to obtain a PVC decorative film, and drying the PVC decorative film through an air box at the temperature of 42 ℃ and then rolling, wherein the rolling speed is 45m/min, and the rolling tension is controlled at 35N.
Example 3:
a water-based ink printing method of a PVC decorative film,
s1: three-film lamination
Printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating the face film, the middle film and the bottom film through a preheating heating roller to obtain a PVC laminating film, wherein the temperature of the heating roller is 160 ℃, the face film and the bottom film are also added, the temperature of the face film is 130 ℃, and the temperature of the bottom film is 120 ℃;
s2: laminating impressed watermark
The method comprises the following steps of (1) passing a PVC laminated film between an embossing rubber roll and an embossing roll, wherein the embossing pressure of the embossing roll is 35N, so that a PVC embossing film with embossed grains is obtained, the embossed grains are located on the top surface layer of the PVC embossing film, the obtained PVC embossing film is cooled through an ice water roll, and then is shaped through a cooling guide wheel, wherein the temperature of the ice water roll is 9 ℃, and the temperature of the cooling guide wheel is 35 ℃;
s3: developing and printing
The method comprises the following steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink into embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling to obtain a PVC printing film, wherein the ink is water-based ink, and drying the obtained PVC printing film through an air box; the temperature of the air box is 41 ℃, the PVC developing and printing film is dried and then is rolled, the rolling speed is 50m/min, and the rolling tension is controlled to be 3.6N;
s4: coating of
Enabling the bottom surface layer of the PVC die to pass through a coating machine, coating a layer of back coating agent on the surface layer, drying the bottom surface layer through an air box to obtain a PVC coating film, drying the PVC coating film through the air box, wherein the temperature of the air box is 39 ℃, and then winding the PVC coating film, wherein the winding speed is 50m/min, and the winding tension is controlled at 40N;
s5: surface treatment
And (2) allowing the surface layer of the PVC coating film to pass through a coating machine downwards, coating a layer of treating agent on the surface of the PVC coating film, then performing risk drying to obtain a PVC decorative film, and drying the PVC decorative film through an air box, wherein the temperature of the air box is 43 ℃, and then performing rolling, wherein the rolling speed is 45m/min, and the rolling tension is controlled at 36N.
Example 4:
a water-based ink printing method of a PVC decorative film,
s1: three-film lamination
Printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating the face film, the middle film and the bottom film through a preheating heating roller to obtain a PVC laminating film, wherein the temperature of the heating roller is 170 ℃, the face film and the bottom film are also added, the temperature of the face film is 150 ℃, and the temperature of the bottom film is 140 ℃;
s2: laminating impressed watermark
The method comprises the following steps of (1) passing a PVC laminated film between an embossing rubber roll and an embossing roll, wherein the embossing pressure of the embossing roll is 40N, so that a PVC embossing film with embossed grains is obtained, the embossed grains are located on the top surface layer of the PVC embossing film, the obtained PVC embossing film is cooled through an ice water roll, and then is shaped through a cooling guide wheel, wherein the temperature of the ice water roll is 10 ℃, and the temperature of the cooling guide wheel is 35 ℃;
s3: developing and printing
The method comprises the steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink in embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling to obtain a PVC printing film, wherein the ink is water-based ink, scraping the water-based ink on the surface of the PVC embossed film through the scraper to obtain the PVC printing film, and drying the obtained PVC printing film through an air box; the temperature of the air box is 46 ℃, the PVC developing and printing film is dried and then is rolled, the rolling speed is 50m/min, and the rolling tension is controlled to be 4.2N;
s4: coating of
Enabling the bottom surface layer of the PVC die to pass through a coating machine, coating a layer of back coating agent on the surface layer, drying the bottom surface layer through an air box to obtain a PVC coating film, drying the PVC coating film through the air box, wherein the temperature of the air box is 42 ℃, and then winding the PVC coating film, wherein the winding speed is 50m/min, and the winding tension is controlled at 40N;
s5: surface treatment
And (2) allowing the surface layer of the PVC coating film to pass through a coating machine downwards, coating a layer of treating agent on the surface of the PVC coating film, then performing risk drying to obtain a PVC decorative film, and drying the PVC decorative film through an air box, wherein the temperature of the air box is 45 ℃, and then performing winding, wherein the winding speed is 45m/min, and the winding tension is controlled at 38N.
Example 5:
a water-based ink printing method of a PVC decorative film,
s1: three-film lamination
Printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating the face film, the middle film and the bottom film through a preheating heating roller to obtain a PVC laminating film, wherein the temperature of the heating roller is 180 ℃, the face film and the bottom film are added, the temperature of the face film is 170 ℃, and the temperature of the bottom film is 160 ℃;
s2: laminating impressed watermark
The method comprises the following steps of (1) passing a PVC laminated film between an embossing rubber roll and an embossing roll, wherein the embossing pressure of the embossing roll is 45N, so as to obtain a PVC embossing film with embossed grains, the embossed grains are located on the top surface layer of the PVC embossing film, the obtained PVC embossing film is cooled through an ice water roll, and then is shaped through a cooling guide wheel, wherein the temperature of the ice water roll is 11 ℃, and the temperature of the cooling guide wheel is 36 ℃;
s3: developing and printing
The method comprises the steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink in embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling to obtain a PVC printing film, wherein the ink is water-based ink, scraping the water-based ink on the surface of the PVC embossed film through the scraper to obtain the PVC printing film, and drying the obtained PVC printing film through an air box; the temperature of the air box is 50 ℃, the PVC developing and printing film is dried and then is rolled, the rolling speed is 50m/min, and the rolling tension is controlled to be 4.5N;
s4: coating of
Enabling the bottom surface layer of the PVC die to pass through a coating machine, coating a layer of back coating agent on the surface layer, drying the bottom surface layer through an air box to obtain a PVC coating film, drying the PVC coating film through the air box, wherein the temperature of the air box is 45 ℃, and winding the PVC coating film after drying, wherein the winding speed is 50m/min, and the winding tension is controlled at 40N;
s5: surface treatment
And (2) allowing the surface layer of the PVC coating film to pass through a coating machine downwards, coating a layer of treating agent on the surface of the PVC coating film, then performing risk drying to obtain a PVC decorative film, and drying the PVC decorative film through an air box, wherein the temperature of the air box is 47 ℃, and then performing rolling, wherein the rolling speed is 45m/min, and the rolling tension is controlled at 40N.
Comparative example 1:
a water-based ink printing method of a PVC decorative film,
s1: three-film lamination
Printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating the face film, the middle film and the bottom film through a preheating heating roller to obtain a PVC laminating film, wherein the temperature of the heating roller is 100 ℃, the face film and the bottom film are added, the temperature of the face film is 90 ℃, and the temperature of the bottom film is 80 ℃;
s2: laminating impressed watermark
The PVC laminating film is passed between an embossing rubber roll and an embossing roll, the embossing pressure of the embossing roll is 25N, the PVC embossing film with embossed grains is obtained, the embossed grains are located on the top surface layer of the PVC embossing film, the obtained PVC embossing film is cooled through an ice water roll, then the PVC embossing film is shaped through a cooling guide wheel, the temperature of the ice water roll is 7 ℃, and the temperature of the cooling guide wheel is 30 ℃;
s3: developing and printing
The method comprises the steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink in embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling to obtain a PVC printing film, wherein the ink is water-based ink, scraping the water-based ink on the surface of the PVC embossed film through the scraper to obtain the PVC printing film, and drying the obtained PVC printing film through an air box; the temperature of the air box is 30 ℃, the PVC developing and printing film is dried and then is rolled, the rolling speed is 50m/min, and the rolling tension is controlled to be 3N;
s4: coating of
Enabling the bottom surface layer of the PVC die to pass through a coating machine, coating a layer of back coating agent on the surface layer, drying the bottom surface layer through an air box to obtain a PVC coating film, drying the PVC coating film through the air box, wherein the temperature of the air box is 35 ℃, and winding the PVC coating film after drying, wherein the winding speed is 50m/min, and the winding tension is controlled at 40N;
s5: surface treatment
And (2) allowing the surface layer of the PVC coating film to pass through a coating machine downwards, coating a layer of treating agent on the surface of the PVC coating film, then performing risk drying to obtain a PVC decorative film, and drying the PVC decorative film through an air box, wherein the temperature of the air box is 40 ℃, and then performing rolling, wherein the rolling speed is 45m/min, and the rolling tension is controlled at 30N.
Comparative example 2:
a water-based ink printing method of a PVC decorative film,
s1: three-film lamination
Printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating the face film, the middle film and the bottom film through a preheating heating roller to obtain a PVC laminating film, wherein the temperature of the heating roller is 200 ℃, the face film and the bottom film are added, the temperature of the face film is 190 ℃, and the temperature of the bottom film is 180 ℃;
s2: laminating impressed watermark
The method comprises the following steps of (1) passing a PVC laminated film between an embossing rubber roll and an embossing roll, wherein the embossing pressure of the embossing roll is 50N, so that a PVC embossing film with embossed grains is obtained, the embossed grains are located on the top surface layer of the PVC embossing film, the obtained PVC embossing film is cooled through an ice water roll, and then is shaped through a cooling guide wheel, wherein the temperature of the ice water roll is 15 ℃, and the temperature of the cooling guide wheel is 40 ℃;
s3: developing and printing
The method comprises the steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink in embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling to obtain a PVC printing film, wherein the ink is water-based ink, scraping the water-based ink on the surface of the PVC embossed film through the scraper to obtain the PVC printing film, and drying the obtained PVC printing film through an air box; the temperature of the air box is 55 ℃, the PVC developing and printing film is dried and then is rolled, the rolling speed is 50m/min, and the rolling tension is controlled at 5.5N;
s4: coating of
Enabling the bottom surface layer of the PVC die to pass through a coating machine, coating a layer of back coating agent on the surface layer, drying the bottom surface layer through an air box to obtain a PVC coating film, drying the PVC coating film through the air box, wherein the temperature of the air box is 50 ℃, and winding the PVC coating film after drying, wherein the winding speed is 50m/min, and the winding tension is controlled at 40N;
s5: surface treatment
And (2) allowing the surface layer of the PVC coating film to pass through a coating machine downwards, coating a layer of treating agent on the surface of the PVC coating film, then performing risk drying to obtain a PVC decorative film, and drying the PVC decorative film through an air box, wherein the temperature of the air box is 52 ℃, and then performing winding, wherein the winding speed is 45m/min, and the winding tension is controlled at 45N.
Conclusion of the experiment
Observe the PVC decorating film that above-mentioned experimental example 1 ~ 5 and comparative example 1 and 2 obtained, observe the three-dimensional form of decorating film, the observation result is obtained, the printing product line of the PVC decorating film that experimental example 1 ~ 5 obtained is clear, the surface does not have the sword silk ink mark, the stereoeffect is outstanding, the visual sensation is strong, the image is more lively, and the PVC decorating film that comparative example 1 and comparative example 2 obtained, the stereoeffect is not good on the whole, it is all relatively shallow, can not stand out the line, thereby lead to on the water-based ink after, holistic color effect is unclear.
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 water-based ink printing method of a PVC decorative film is characterized by comprising the following steps: the method comprises the following steps:
s1: three-film lamination
Printing a ground color on a middle film, conveying a face film, the middle film and a bottom film through a laminating guide roller, and heating and laminating through a preheating heating roller to obtain a PVC laminating film, wherein the temperature of the heating roller is 150-180 ℃;
s2: laminating impressed watermark
The PVC laminating film passes through a space between an embossing rubber roll and an embossing roll, the embossing pressure of the embossing roll is 30-45N, and the PVC embossing film with relief grains is obtained, wherein the relief grains are located on the top surface layer of the PVC embossing film;
s3: developing and printing
The method comprises the following steps of (1) enabling a surface layer of a PVC embossed film to face downwards, filling ink into embossed grains through a printer, scraping redundant ink on the surface layer of the PVC embossed film through a scraper after filling, and obtaining a PVC printing film, wherein the ink is water-based ink;
s4: coating of
Coating a layer of back coating agent on the bottom surface layer of the PVC die through a coating machine, and drying through a bellows to obtain a PVC coating film;
s5: surface treatment
And (3) downwards passing the surface layer of the PVC coating film through a coating machine, coating a layer of treating agent on the surface of the PVC coating film, and then carrying out risk drying to obtain the PVC decorative film.
2. The water-based ink printing method of the PVC decorative film according to claim 1, wherein: the temperature of the heating roller in the step S1 is 160-170 ℃.
3. The water-based ink printing method of the PVC decorative film according to claim 2, wherein: in the three-film laminating process of the step S1, the temperature of the surface film is 110-170 ℃, and the temperature of the bottom film is 100-160 ℃.
4. The water-based ink printing method of the PVC decorative film according to claim 3, wherein: in the three-film laminating process of the step S1, the temperature of the surface film is 130-150 ℃, and the temperature of the bottom film is 120-140 ℃.
5. The water-based ink printing method of the PVC decorative film according to claim 1, wherein: and the embossing pressure of the embossing roller in the step S2 is 35-40N.
6. The water-based ink printing method of the PVC decorative film according to claim 5, wherein: in the step S2 of laminating and embossing, the obtained PVC embossing film is cooled through an ice water roller, and then 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 ℃.
7. The water-based ink printing method of the PVC decorative film according to claim 1, wherein: in the step S3, drying the PVC developing and printing die obtained in the developing and printing process through an air box; the temperature of the air box is 40-50 ℃, the PVC developing and printing film is dried and then wound, the winding speed is 50m/min, the winding tension is controlled to be 3.5-4.5N, and the surface glossiness is 3-5 degrees.
8. The water-based ink printing method of the PVC decorative film according to claim 1, wherein: and (5) drying the PVC coating film obtained in the step (S4) by an air box, wherein the temperature of the air box is 38-45 ℃, the PVC coating film is dried and then is wound, the winding speed is 50m/min, and the winding tension is controlled at 40N.
9. The water-based ink printing method of the PVC decorative film according to claim 1, wherein: and (5) drying the PVC decorative film obtained in the step (S5) by an air box, wherein the temperature of the air box is 42-47 ℃, and winding is carried out after drying, the winding speed is 45m/min, and the winding tension is controlled at 35-40N.
10. The PVC decorative film is prepared by the water-based ink printing method of the PVC decorative film according to any one of claims 1 to 9.
CN201910808456.3A 2019-08-29 2019-08-29 PVC decorative film and water-based ink developing and printing method of PVC decorative film Active CN110588113B (en)

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CN104890327A (en) * 2015-05-12 2015-09-09 浙江明士达新材料有限公司 Camouflage printed composite material
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