CN112876718A - High-temperature-resistant scratch-resistant surface printing ink plastic film, orange peel plastic composite product and preparation methods thereof - Google Patents

High-temperature-resistant scratch-resistant surface printing ink plastic film, orange peel plastic composite product and preparation methods thereof Download PDF

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CN112876718A
CN112876718A CN202110067060.5A CN202110067060A CN112876718A CN 112876718 A CN112876718 A CN 112876718A CN 202110067060 A CN202110067060 A CN 202110067060A CN 112876718 A CN112876718 A CN 112876718A
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resistant
weight
layer
polyurethane
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柯志纯
陈宏源
柯建南
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Jinjiang Zhonghui Printing Packaging Co ltd
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Jinjiang Zhonghui Printing Packaging Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • 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
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • 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
    • C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • 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
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • 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
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    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/65—Additives macromolecular
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    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
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Abstract

The invention discloses a high-temperature-resistant and scratch-resistant surface printing ink plastic film, an orange-peel-pattern plastic composite product and a preparation method thereof. The high-temperature-resistant scratch-resistant surface printing ink plastic film prepared by the invention has high uniformity, high adhesion between the film and a PP plastic substrate, excellent smoothness on the surface, high pattern definition and bright color.

Description

High-temperature-resistant scratch-resistant surface printing ink plastic film, orange peel plastic composite product and preparation methods thereof
Technical Field
The invention relates to the technical field of printing, in particular to a high-temperature-resistant scratch-resistant surface printing ink plastic film, an orange peel plastic composite product and preparation methods thereof.
Background
Since the sixties of the last century, plastic film materials such as polyethylene, polyvinyl chloride and the like have been widely used at home and abroad, and play a great role in enriching the lives of people and developing agriculture. However, the water-based plastic printing ink in the market has the defects of low drying speed, poor color development, poor adhesion fastness, poor water resistance, wet heat resistance, poor glossiness, poor ink film strength, easy generation of pigment precipitation during storage, no freezing prevention and the like, and cannot meet the requirements of high printing speed and high quality of printed products in the existing plastic printing.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide a high-temperature-resistant scratch-resistant surface printing ink plastic film, an orange peel plastic composite product and a preparation method thereof.
In order to achieve the purpose, the invention adopts the specific scheme that:
the utility model provides a resistant table seal printing ink plastic film, includes PP membrane, white printing ink layer, colour layer, black printing ink layer and gloss oil layer that from the bottom up set gradually.
Preferably, the white ink layer and the black ink layer have the same thickness, and the thickness of the color layer is 10-15 times of the thickness of the white ink layer or the black ink layer.
Preferably, the white ink layer comprises the following components in parts by weight: 20-25 parts of waterborne polyurethane, 3-5 parts of diethylenetriamine, 4-6 parts of hydroxylated carbon nano tubes, 6-10 parts of titanium dioxide, 12-15 parts of cyclohexanone, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
Preferably, the color layer comprises the following components in parts by weight: 20-25 parts of waterborne polyurethane, 5-10 parts of color paste, 6-8 parts of polyvinyl butyral, 4-6 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
Preferably, the black ink layer comprises the following components in parts by weight: 20-25 parts of waterborne polyurethane, 3-5 parts of diethylenetriamine, 4-6 parts of hydroxylated carbon nano tube, 6-10 parts of carbon black powder, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
Preferably, the gloss oil layer comprises the following components in parts by weight: 42-46 parts of polyacrylate, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
The invention also provides a preparation method of the high-temperature-resistant scratch-resistant surface printing ink plastic film, which comprises the following steps:
s1, printing the white ink slurry on a PP film, and drying to form a white ink layer;
s2, printing the color paste on the white ink layer, and drying to form a color layer;
s3, printing the black ink slurry on the color layer, and drying to form a black ink layer;
and S4, coating the gloss oil slurry on the black ink layer, and drying to obtain the high-temperature-resistant scratch-resistant surface printing ink plastic film with the gloss oil layer.
Preferably, the temperature of the drying process is 70-80 ℃ in steps S1-S3.
Preferably, in step S4, the amount of the sizing agent applied to the black ink layer is 0.3-0.4g/m2The number of the metal anilox roller lines is 150-200 lines, and the running speed of the machine is controlled to be 180-220 m/min.
Preferably, in step S4, the drying process: drying with hot air at 50-70 deg.C for 5-8 s.
Preferably, the preparation method of the white ink paste in step S1 is: 3-5 parts of diethylenetriamine and 4-6 parts of hydroxylated carbon nano tubes are mixed by weight, the stirring speed is 1000-1200 r/min, and after the stirring time is 30-40 min, 20-25 parts of waterborne polyurethane, 6-10 parts of titanium dioxide, 12-15 parts of cyclohexanone, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate are added and continuously stirred for 1-2 h, so that white ink slurry is obtained.
Preferably, the preparation method of the color paste in step S2 is: 20-25 parts of waterborne polyurethane, 5-10 parts of color paste, 6-8 parts of polyvinyl butyral, 4-6 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate are mixed and continuously stirred, the stirring speed is 1000-1200 r/min, and the stirring is continued for 1-2 hours, so that color slurry is obtained.
Preferably, the black ink slurry in step S3 is prepared by: 3-5 parts of diethylenetriamine and 4-6 parts of hydroxylated carbon nano-tube are mixed by weight, the stirring speed is 1000-1200 r/min, after the stirring time is 30-40 min, 20-25 parts of waterborne polyurethane, 6-10 parts of carbon black powder, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane and 1-2 parts of polyoxyethylene ether are added
And 1-2 parts of sodium lignosulphonate are continuously stirred for 1-2 hours to obtain black ink slurry.
Preferably, the preparation method of the gloss oil slurry in step S4 is: 42-46 parts of polyacrylate, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate by weight are mixed and continuously stirred, the stirring speed is 1000-1200 r/min, and the stirring is carried out for 1-2 hours, so that the gloss oil slurry is obtained.
The invention also provides a preparation method of the orange peel plastic composite product, which comprises the following steps: and (3) injection molding and compounding the side, without the white ink layer, of the PP film of the high-temperature-resistant scratch-resistant surface printing ink plastic film with a PP plastic part.
The invention also provides an orange peel plastic composite product prepared by the preparation method.
According to the invention, the hydroxylated carbon nanotube is purified by diethylenetriamine, so that the purified hydroxylated carbon nanotube is crosslinked with the waterborne polyurethane, the compatibility between each component and the polyurethane is increased, the interface bonding force of a component system is increased, the stability of the film layer is improved, the color layer can be stably combined between the white ink layer and the black ink layer, the internal and external diffusion of the film layer in the printing process is reduced, meanwhile, the local load can be effectively transferred, the stress is distributed more evenly, and the mechanical property of the composite material is enhanced.
The polyvinyl butyral and the waterborne polyurethane have certain compatibility, the polyvinyl butyral is of a net structure, gaps in holes can lock the color paste, molecules of the color paste are uniformly dispersed, the components of a dried color layer are prevented from being randomly diffused, and the components of the color layer are prevented from being longitudinally mixed towards the white ink layer and the black ink layer, so that the color of patterns of the color layer is brighter, and the resolution of the images is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a plastic film of a high temperature resistant and scratch resistant surface printing ink.
Reference numerals: 1-PP film, 2-white ink layer, 3-color layer, 4-black ink layer and 5-gloss oil layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present invention, and the reagents and components used in the present invention are commercially available, and are not listed here, wherein the color paste includes various color pastes such as red color paste, blue color paste, green color paste, and yellow color paste, which can be purchased according to actual needs, the shape of the PP plastic part is not specifically limited, and the PP plastic part can be actually selected according to needs, such as candy plastic box/cover, jelly cup, milk cup, cover film, candy roll film, beverage cup, laundry detergent packaging bag, etc.
Referring to fig. 1, a high temperature resistant and scratch resistant plastic film for surface printing ink comprises a PP film 1, a white ink layer 2, a color layer 3, a black ink layer 4 and a gloss oil layer 5, which are sequentially arranged from bottom to top. The thickness of the white ink layer 2 is the same as that of the black ink layer 4, and the thickness of the color layer 3 is 10-15 times that of the white ink layer 2 or the black ink layer 4. Due to the cross-linking and compatible effects of the purified hydroxylated carbon nanotube and the waterborne polyurethane, the interface bonding force of the white ink layer 2 and the black ink layer 4 is better, the thickness of the white ink layer 2 or the black ink layer 4 is relatively reduced, the dispersion of the ink is more compact, the locking force of the color layer 3 is matched, the white ink layer 2 and the black ink layer 4 are firmly combined on the upper surface and the lower surface of the color layer 3, the tensile property of the film is improved, and the phenomenon that cracks appear on the film layer is reduced.
An orange peel plastic composite product comprises a PP plastic part and a high-temperature-resistant scratch-resistant surface printing ink plastic film compounded on the surface of the PP plastic part at a high temperature.
Example 1:
a preparation method of a high-temperature-resistant scratch-resistant surface printing ink plastic film comprises the following steps:
s1, printing the white ink slurry on the PP film 1, and drying at 70-80 ℃ to form a white ink layer 2;
s2, printing the color paste on the white ink layer 2, and drying at 70-80 ℃ to form a color layer 3;
s3, printing the black ink slurry on the color layer 3, and drying at 70-80 ℃ to form a black ink layer 4;
s4, coating the gloss oil paste on the black ink layer 4, wherein the gluing amount is 0.3-0.4g/m2The number of the metal anilox roller lines is 150-200, the running speed of the machine is controlled at 180-220m/min, hot air drying is adopted, the temperature is set to be 50-70 ℃, and the drying time is 5-8 seconds, so that the high-temperature-resistant scratch-resistant surface printing ink plastic film with the gloss oil layer 5 is obtained.
The preparation method of the white ink slurry in the step S1 includes: 3 parts of diethylenetriamine and 4 parts of hydroxylated carbon nano tubes are mixed by weight, the stirring speed is 1000 r/min, and after the stirring time is 30 min, 20 parts of waterborne polyurethane, 6 parts of titanium dioxide, 12 parts of cyclohexanone, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate are added by weight and continuously stirred for 1 h, so that white ink slurry is obtained.
The preparation method of the color paste in the step S2 is as follows: mixing and continuously stirring 20 parts by weight of waterborne polyurethane, 5 parts by weight of color paste, 6 parts by weight of polyvinyl butyral, 4 parts by weight of deionized water, 2 parts by weight of isophorone, 2 parts by weight of polydimethylsiloxane, 2 parts by weight of polyurethane, 1 part by weight of polyoxyethylene ether and 1 part by weight of sodium lignosulfonate at a stirring speed of 1000 revolutions per minute, and continuously stirring for 1 hour to obtain color slurry.
The preparation method of the black ink slurry in the step S3 includes: 3 parts of diethylenetriamine and 4 parts of hydroxylated carbon nano tubes are mixed by weight, the stirring speed is 1000 r/min, and after the stirring time is 30 min, 20 parts of waterborne polyurethane, 6 parts of carbon black powder, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate are added by weight and continuously stirred for 1 h, so as to obtain black ink slurry.
The preparation method of the gloss oil slurry in the step S4 comprises the following steps: 42 parts of polyacrylate, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate by weight are mixed and continuously stirred, the stirring speed is 1000 revolutions per minute, and the stirring is carried out for 1 hour, so that the gloss oil slurry is obtained.
A preparation method of an orange peel plastic composite product comprises the following steps: and (3) carrying out injection molding compounding on the side, without the white ink layer 2, of the PP film 1 of the obtained high-temperature-resistant scratch-resistant surface printing ink plastic film and a PP plastic part, wherein the temperature of an injection mold is 220-245 ℃, and the injection molding time is 3-6 s. Wherein, the high temperature resistant scratch resistant surface printing ink plastic film can produce shrinkage change at high temperature to form orange peel-shaped texture lines.
Example 2:
a preparation method of a high-temperature-resistant scratch-resistant surface printing ink plastic film comprises the following steps:
s1, printing the white ink slurry on the PP film 1, and drying at 70-80 ℃ to form a white ink layer 2;
s2, printing the color paste on the white ink layer 2, and drying at 70-80 ℃ to form a color layer 3;
s3, printing the black ink slurry on the color layer 3, and drying at 70-80 ℃ to form a black ink layer 4;
s4, coating the gloss oil paste on the black ink layer 4, wherein the gluing amount is 0.3-0.4g/m2The number of the metal anilox roller lines is 150-200, the running speed of the machine is controlled at 180-220m/min, hot air drying is adopted, the temperature is set to be 50-70 ℃, and the drying time is 5-8 seconds, so that the high-temperature-resistant scratch-resistant surface printing ink plastic film with the gloss oil layer 5 is obtained.
The preparation method of the white ink slurry in the step S1 includes: 5 parts of diethylenetriamine and 6 parts of hydroxylated carbon nano tube are mixed by weight, the stirring speed is 1200 r/min, after the stirring time is 40 min, 25 parts of waterborne polyurethane, 10 parts of titanium dioxide, 15 parts of cyclohexanone, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate are added by weight and continuously stirred for 2 h, and white ink slurry is obtained.
The preparation method of the color paste in the step S2 is as follows: 25 parts of waterborne polyurethane, 10 parts of color paste, 8 parts of polyvinyl butyral, 6 parts of deionized water, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate by weight are mixed and continuously stirred, the stirring speed is 1200 r/min, and the stirring is continued for 2 hours, so that the color slurry is obtained.
The preparation method of the black ink slurry in the step S3 includes: 5 parts of diethylenetriamine and 6 parts of hydroxylated carbon nano tube are mixed by weight, the stirring speed is 1200 r/min, after the stirring time is 40 min, 25 parts of waterborne polyurethane by weight, 10 parts of carbon black powder, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate are added and continuously stirred for 2 h, and black ink slurry is obtained.
The preparation method of the gloss oil slurry in the step S4 comprises the following steps: 46 parts of polyacrylate, 3 parts of isophorone, 3 parts of polydimethylsiloxane, 3 parts of polyurethane, 2 parts of polyoxyethylene ether and 2 parts of sodium lignosulfonate by weight are mixed and continuously stirred, the stirring speed is 1200 rpm, and the stirring is carried out for 2 hours, so that the gloss oil slurry is obtained.
A preparation method of an orange peel plastic composite product comprises the following steps: and (3) carrying out injection molding compounding on the side, without the white ink layer 2, of the PP film 1 of the obtained high-temperature-resistant scratch-resistant surface printing ink plastic film and a PP plastic part, wherein the temperature of an injection mold is 220-245 ℃, and the injection molding time is 3-6 s. Wherein, the high temperature resistant scratch resistant surface printing ink plastic film can produce shrinkage change at high temperature to form orange peel-shaped texture lines.
Example 3:
a preparation method of a high-temperature-resistant scratch-resistant surface printing ink plastic film comprises the following steps:
s1, printing the white ink slurry on the PP film 1, and drying at 70-80 ℃ to form a white ink layer 2;
s2, printing the color paste on the white ink layer 2, and drying at 70-80 ℃ to form a color layer 3;
s3, printing the black ink slurry on the color layer 3, and drying at 70-80 ℃ to form a black ink layer 4;
s4, coating the gloss oil paste on the black ink layer 4, wherein the gluing amount is 0.3-0.4g/m2The number of the metal anilox roll lines is 1Controlling the running speed of the machine between 50 lines and 200 lines at 180-220m/min, and drying by hot air, wherein the temperature is set to be 50-70 ℃, and the drying time is 5-8 seconds, thus obtaining the high-temperature resistant scratch-resistant surface printing ink plastic film with the gloss oil layer 5.
The preparation method of the white ink slurry in the step S1 includes: 4 parts of diethylenetriamine and 5 parts of hydroxylated carbon nano tube are mixed by weight, the stirring speed is 1100 r/min, and after the stirring time is 35 min, 23 parts of waterborne polyurethane, 8 parts of titanium dioxide, 13 parts of cyclohexanone, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate are added by weight and continuously stirred for 1.5 h, so that white ink slurry is obtained.
The preparation method of the color paste in the step S2 is as follows: 23 parts of waterborne polyurethane, 8 parts of color paste, 7 parts of polyvinyl butyral, 5 parts of deionized water, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate are mixed and continuously stirred at the stirring speed of 1100 r/min, and the mixture is continuously stirred for 1.5 hours to obtain color slurry.
The preparation method of the black ink slurry in the step S3 includes: 4 parts of diethylenetriamine and 5 parts of hydroxylated carbon nano tube are mixed by weight, the stirring speed is 1100 r/min, and after the stirring time is 35 min, 22 parts of waterborne polyurethane, 8 parts of carbon black powder, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate are added by weight and continuously stirred for 1.5 h, so as to obtain black ink slurry.
The preparation method of the gloss oil slurry in the step S4 comprises the following steps: 44 parts of polyacrylate, 2.5 parts of isophorone, 2.5 parts of polydimethylsiloxane, 2.5 parts of polyurethane, 1.5 parts of polyoxyethylene ether and 1.5 parts of sodium lignosulfonate are mixed and continuously stirred, the stirring speed is 1100 revolutions per minute, and the stirring is carried out for 1.5 hours, so that the gloss oil slurry is obtained.
A preparation method of an orange peel plastic composite product comprises the following steps: and (3) carrying out injection molding compounding on the side, without the white ink layer 2, of the PP film 1 of the obtained high-temperature-resistant scratch-resistant surface printing ink plastic film and a PP plastic part, wherein the temperature of an injection mold is 220-245 ℃, and the injection molding time is 3-6 s. Wherein, the high temperature resistant scratch resistant surface printing ink plastic film can produce shrinkage change at high temperature to form orange peel-shaped texture lines.
Comparative example 1:
comparative example 1 is substantially the same as example 1 except that: in the preparation method, diethylenetriamine, hydroxylated carbon nanotubes and polyvinyl butyral are not added, namely:
a preparation method of a high-temperature-resistant scratch-resistant surface printing ink plastic film comprises the following steps:
s1, printing the white ink slurry on the PP film 1, and drying at 70-80 ℃ to form a white ink layer 2;
s2, printing the color paste on the white ink layer 2, and drying at 70-80 ℃ to form a color layer 3;
s3, printing the black ink slurry on the color layer 3, and drying at 70-80 ℃ to form a black ink layer 4;
s4, coating the gloss oil paste on the black ink layer 4, wherein the gluing amount is 0.3-0.4g/m2The number of the metal anilox roller lines is 150-200, the running speed of the machine is controlled at 180-220m/min, hot air drying is adopted, the temperature is set to be 50-70 ℃, and the drying time is 5-8 seconds, so that the high-temperature-resistant scratch-resistant surface printing ink plastic film with the gloss oil layer 5 is obtained.
The preparation method of the white ink slurry in the step S1 includes: 20 parts of waterborne polyurethane, 6 parts of titanium dioxide, 12 parts of cyclohexanone, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate by weight are stirred at the speed of 1000 revolutions per minute for 1.5 hours, and white ink slurry is obtained.
The preparation method of the color paste in the step S2 is as follows: 20 parts of waterborne polyurethane, 5 parts of color paste, 4 parts of deionized water, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate by weight are mixed and continuously stirred, the stirring speed is 1000 revolutions per minute, and the stirring is continued for 1 hour to obtain color slurry.
The preparation method of the black ink slurry in the step S3 includes: stirring 20 parts of waterborne polyurethane, 6 parts of carbon black powder, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate at the stirring speed of 1000 revolutions per minute for 1.5 hours to obtain black ink slurry.
The preparation method of the gloss oil slurry in the step S4 comprises the following steps: 42 parts of polyacrylate, 2 parts of isophorone, 2 parts of polydimethylsiloxane, 2 parts of polyurethane, 1 part of polyoxyethylene ether and 1 part of sodium lignosulfonate by weight are mixed and continuously stirred, the stirring speed is 1000 revolutions per minute, and the stirring is carried out for 1 hour, so that the gloss oil slurry is obtained.
A preparation method of an orange peel plastic composite product comprises the following steps: and (3) carrying out injection molding compounding on the side, without the white ink layer 2, of the PP film 1 of the obtained high-temperature-resistant scratch-resistant surface printing ink plastic film and a PP plastic part, wherein the temperature of an injection mold is 220-245 ℃, and the injection molding time is 3-6 s. Wherein, the high temperature resistant scratch resistant surface printing ink plastic film can produce shrinkage change at high temperature to form orange peel-shaped texture lines.
The plastic films of the high temperature resistant and scratch resistant surface printing inks obtained in examples 1 to 3 of the present invention and comparative example 1 were subjected to the performance test, and the test results are shown in table 1.
And (3) testing the glossiness: gloss meter (model: MN268), test method: the gloss value test of the sample at this angle was performed at a projection angle of 60 °.
Surface friction coefficient test: the PP plastic part injected with the PP plastic film is tested by adopting an MXD-02 friction coefficient instrument and adopting a test standard of ASTM D1894.
And (3) testing the limiting temperature: the limit temperature of the plastic film is detected by GB/T7142-2002.
TABLE 1
Figure BDA0002904586110000091
As can be seen from Table 1, in examples 1-3, compared with comparative example 1, the plastic film of the high temperature resistant and scratch resistant surface printing ink of the present invention has better high temperature resistance, and the surface of the plastic composite product has excellent glossiness and smoothness and bright color.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The high-temperature-resistant scratch-resistant surface printing ink plastic film is characterized in that: the printing ink comprises a PP film, a white ink layer, a color layer, a black ink layer and a gloss oil layer which are sequentially arranged from bottom to top.
2. The high temperature resistant, scratch resistant plastic film with surface printing ink according to claim 1, wherein: the thickness of the white ink layer is the same as that of the black ink layer, and the thickness of the color layer is 10-15 times that of the white ink layer or the black ink layer.
3. The high temperature resistant, scratch resistant plastic film with surface printing ink according to claim 1, wherein: the white ink layer comprises the following components in parts by weight: 20-25 parts of waterborne polyurethane, 3-5 parts of diethylenetriamine, 4-6 parts of hydroxylated carbon nano tubes, 6-10 parts of titanium dioxide, 12-15 parts of cyclohexanone, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
4. The high temperature resistant, scratch resistant plastic film with surface printing ink according to claim 1, wherein: the color layer comprises the following components in parts by weight:
20-25 parts of waterborne polyurethane, 5-10 parts of color paste, 6-8 parts of polyvinyl butyral, 4-6 parts of deionized water, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
5. The high temperature resistant, scratch resistant plastic film with surface printing ink according to claim 1, wherein: the black ink layer comprises the following components in parts by weight:
20-25 parts of waterborne polyurethane, 3-5 parts of diethylenetriamine, 4-6 parts of hydroxylated carbon nano tube, 6-10 parts of carbon black powder, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
6. The high temperature resistant, scratch resistant plastic film with surface printing ink according to claim 1, wherein: the gloss oil layer comprises the following components in parts by weight:
42-46 parts of polyacrylate, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate.
7. The method for preparing a plastic film with high-temperature-resistant and scratch-resistant surface printing ink according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
s1, printing the white ink slurry on a PP film, and drying to form a white ink layer;
s2, printing the color paste on the white ink layer, and drying to form a color layer;
s3, printing the black ink slurry on the color layer, and drying to form a black ink layer;
s4, coating the gloss oil slurry on the black ink layer, and drying to obtain the high-temperature-resistant scratch-resistant surface printing ink plastic film with the gloss oil layer;
in the steps S1 to S3, the temperature of the drying process is 70-80 ℃;
in step S4, the coating amount of the gloss oil paste applied on the black ink layer is 0.3-0.4g/m2The number of the metal anilox roller lines is between 150 and 200, and the running speed of the machine is controlled to be between 180 and 220 m/min;
in step S4, the drying process: drying with hot air at 50-70 deg.C for 5-8 s.
8. The method of claim 7, wherein:
the preparation method of the white ink slurry in the step S1 includes: 3-5 parts of diethylenetriamine and 4-6 parts of hydroxylated carbon nano tube are mixed by weight, the stirring speed is 1000-1200 r/min, and after the stirring time is 30-40 min, 20-25 parts of waterborne polyurethane, 6-10 parts of titanium dioxide, 12-15 parts of cyclohexanone, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate are added and continuously stirred for 1-2 h, so that white ink slurry is obtained;
the preparation method of the color paste in the step S2 is as follows: mixing and continuously stirring 20-25 parts by weight of waterborne polyurethane, 5-10 parts by weight of color paste, 6-8 parts by weight of polyvinyl butyral, 4-6 parts by weight of deionized water, 2-3 parts by weight of isophorone, 2-3 parts by weight of polydimethylsiloxane, 2-3 parts by weight of polyurethane, 1-2 parts by weight of polyoxyethylene ether and 1-2 parts by weight of sodium lignosulfonate at a stirring speed of 1000-1200 rpm for 1-2 hours to obtain color slurry;
the preparation method of the black ink slurry in the step S3 includes: 3-5 parts of diethylenetriamine and 4-6 parts of hydroxylated carbon nano tube are mixed by weight, the stirring speed is 1000-1200 r/min, and after the stirring time is 30-40 min, 20-25 parts of waterborne polyurethane, 6-10 parts of carbon black powder, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate are added by weight and continuously stirred for 1-2 h, so that black ink slurry is obtained;
the preparation method of the gloss oil slurry in the step S4 comprises the following steps: 42-46 parts of polyacrylate, 2-3 parts of isophorone, 2-3 parts of polydimethylsiloxane, 2-3 parts of polyurethane, 1-2 parts of polyoxyethylene ether and 1-2 parts of sodium lignosulfonate by weight are mixed and continuously stirred, the stirring speed is 1000-1200 r/min, and the stirring is carried out for 1-2 hours, so that the gloss oil slurry is obtained.
9. A preparation method of an orange peel plastic composite product is characterized by comprising the following steps: the method comprises the following steps: the high-temperature-resistant scratch-resistant surface printing ink plastic film as claimed in any one of claims 1 to 8 is prepared by injection molding and compounding the side, without the white ink layer, of the PP film and a PP plastic part.
10. An orange peel plastic composite article made by the method of manufacture of claim 9.
CN202110067060.5A 2021-01-19 2021-01-19 High-temperature-resistant scratch-resistant surface printing ink plastic film, orange peel plastic composite product and preparation methods thereof Pending CN112876718A (en)

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Publication number Priority date Publication date Assignee Title
JP2004025555A (en) * 2002-06-24 2004-01-29 Toyo Seikan Kaisha Ltd Packaging bag
CN209357368U (en) * 2018-12-18 2019-09-06 宁波敏实汽车零部件技术研发有限公司 It is a kind of can be with line/face translucent effect label outer cover
CN110331455A (en) * 2019-07-30 2019-10-15 青岛信泰科技有限公司 A kind of preparation method of creep resistant grey ultra high molecular weight polyethylene fiber
CN111607286A (en) * 2020-05-28 2020-09-01 珠海天威新材料股份有限公司 Environment-friendly pyrograph ink, PET film heat transfer printing method and application thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004025555A (en) * 2002-06-24 2004-01-29 Toyo Seikan Kaisha Ltd Packaging bag
CN209357368U (en) * 2018-12-18 2019-09-06 宁波敏实汽车零部件技术研发有限公司 It is a kind of can be with line/face translucent effect label outer cover
CN110331455A (en) * 2019-07-30 2019-10-15 青岛信泰科技有限公司 A kind of preparation method of creep resistant grey ultra high molecular weight polyethylene fiber
CN111607286A (en) * 2020-05-28 2020-09-01 珠海天威新材料股份有限公司 Environment-friendly pyrograph ink, PET film heat transfer printing method and application thereof

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