CN116463007A - Thermal transfer resin carbon ribbon applied to PVC (polyvinyl chloride) pipe and preparation method thereof - Google Patents

Thermal transfer resin carbon ribbon applied to PVC (polyvinyl chloride) pipe and preparation method thereof Download PDF

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Publication number
CN116463007A
CN116463007A CN202211726345.6A CN202211726345A CN116463007A CN 116463007 A CN116463007 A CN 116463007A CN 202211726345 A CN202211726345 A CN 202211726345A CN 116463007 A CN116463007 A CN 116463007A
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China
Prior art keywords
coating
resin
parts
thermal transfer
layer
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CN202211726345.6A
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Chinese (zh)
Inventor
李辉
嵇高晶
任天航
李顺
唐国初
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Hunan Dingyi Zhizao Digital Equipment Technology Development Co ltd
Hunan Dingyi Zhiyuan Technology Development Co Ltd
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Hunan Dingyi Zhizao Digital Equipment Technology Development Co ltd
Hunan Dingyi Zhiyuan Technology Development Co Ltd
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Priority to CN202211726345.6A priority Critical patent/CN116463007A/en
Publication of CN116463007A publication Critical patent/CN116463007A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J31/00Ink ribbons; Renovating or testing ink ribbons
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • C09D11/033Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/03Printing inks characterised by features other than the chemical nature of the binder
    • C09D11/037Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/102Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
    • C09D11/103Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/106Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/106Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C09D11/107Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D133/00Coating 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
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20Diluents or solvents
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/02Condensation polymers of aldehydes or ketones only

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

The invention relates to a thermal transfer resin carbon ribbon applied to PVC (polyvinyl chloride) pipes and a preparation method thereof, and belongs to the technical field of resin carbon ribbons. The thermal transfer resin carbon belt applied to the PVC pipe comprises a back coating, a matrix, a release layer, an ink layer and an adhesive layer which are sequentially attached from top to bottom; the release layer is formed by mixing the following raw materials in percentage by mass and then coating: 0.1-2wt% of polyester resin, 2-8wt% of acrylic resin, 0.05-1wt% of wax and the balance of solvent. The invention also discloses a preparation method of the thermal transfer resin carbon tape applied to the PVC pipe. The beneficial effects are that: through the layer structure of the back coating, the matrix, the release layer, the ink layer and the adhesive layer which are sequentially arranged from top to bottom, the foil retention performance of the resin carbon tape is improved, and the requirements of the color density and the resolution of the printed pattern are met.

Description

Thermal transfer resin carbon ribbon applied to PVC (polyvinyl chloride) pipe and preparation method thereof
Technical Field
The invention belongs to the technical field of resin carbon belts, and particularly relates to a thermal transfer resin carbon belt applied to PVC (polyvinyl chloride) pipes and a preparation method thereof.
Background
The PVC pipe is used as a common protection pipe, characters and patterns are required to be marked on the surface of the PVC pipe, the current common mode is a thermal transfer printing or ink-jet mode, when the thermal transfer printing mode is used for forming the patterns, the used consumable is a resin-based carbon tape, but the PVC pipe has special use environment and special printing conditions, when the thermal transfer printing is carried out, the PVC pipe has large deformation, the resin carbon tape can be strongly extruded to cause large deformation, the common resin carbon tape can cause the falling of an ink layer due to the deformation of the carbon tape when the printing is carried out, various ink marks, floating carbon and other phenomena are formed on the surface of the sleeve, the patterns and the character identification are seriously affected, meanwhile, the sleeve is small in diameter, the marked characters and patterns are required to be high in color density and resolution of the printed patterns and characters, and the conventional resin carbon tape cannot meet the requirement.
Therefore, a thermal transfer resin carbon ribbon applied to PVC pipes and a preparation method thereof are provided to solve the defects in the prior art.
Disclosure of Invention
The invention aims to solve the technical problems and provide the thermal transfer resin carbon tape for the PVC pipe, and the foil retention performance of the resin carbon tape is improved through the laminated structure of the back coating, the matrix, the release layer, the ink layer and the adhesive layer which are sequentially arranged from top to bottom, and the requirements of the color density and the resolution of the printed pattern are met through the laminated structure of the back coating, the matrix, the release layer, the ink layer and the adhesive layer which are sequentially arranged from top to bottom.
The technical scheme for solving the technical problems is as follows: the thermal transfer resin carbon belt applied to the PVC pipe comprises a back coating, a matrix, a release layer, an ink layer and an adhesive layer which are sequentially attached from top to bottom; the release layer is formed by mixing the following raw materials in percentage by mass and then coating: 0.1-2wt% of polyester resin, 2-8wt% of acrylic resin, 0.05-1wt% of wax and the balance of solvent.
The beneficial effects are that: through the layer structure of the back coating, the matrix, the release layer, the ink layer and the adhesive layer which are sequentially arranged from top to bottom, the foil retention performance of the resin carbon tape is improved, and the requirements of the color density and the resolution of the printed pattern are met.
Description of principle:
the design of the release layer, the ink layer and the adhesive layer is adopted in the carbon belt, so that the adaptability of the carbon belt to different base materials can be ensured;
the release layer adopts polyester, wax and acrylic acid to ensure foil retention, when the foil retention is poor, the base material and the carbon tape can generate large deformation during printing, the carbon tape ink layer falls off to influence the printing quality, the polyester resin can provide good foil retention, and the acrylic resin in the release layer has high brightness and ensures the brightness of the printed pattern;
the vinyl chloride-acrylic acid-aldehyde ketone resin is used in the ink layer, and the vinyl chloride-acrylic acid resin with high affinity is selected for PVC, so that the vinyl chloride-acrylic acid-aldehyde ketone resin can be well transferred, meanwhile, the acrylic acid resin and the aldehyde ketone resin are both high-brightness resins, good brightness can be provided, meanwhile, the fluidity of the aldehyde ketone resin is particularly good, and good resolution can be provided. The relative content of the three components ensures the resolution of the printing machine, and the printing machine can fall off blocks, acrylic acid and aldehyde ketone due to too high chlorine vinegar, incomplete transfer printing and too high aldehyde ketone, and can also fall off blocks and tail; the relative content of the carbon black content is also used for guaranteeing the requirement of the color density after printing;
the adhesive layer is aldehyde ketone resin, because the affinity of aldehyde ketone and most of base materials is good, the fluidity is good, the surface of the base materials can be treated in the printing process, the ink layer can be well attached, and the printing adaptability is improved; the granule is added to ensure that the front and back surfaces are prevented from being mutually stuck after being rolled, and the storage stability is ensured.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the substrate is any one of a polyethylene terephthalate film, a 1, 4-polycyclohexamethylene dimethylene terephthalate film, a polyethylene naphthalate film, a polyphenylene sulfide film, a polystyrene film, a polypropylene film, a polyethylene film, a polyvinyl chloride film, a nylon film, and a polyimide film.
The beneficial effects are that: the film can be used as a base material to better ensure that the back coating, the release layer, the ink layer and the adhesive layer can be effectively coated on the surface of the base material.
Further, the solvent is one or a mixture of two of 2-butanone and toluene.
The beneficial effects are that: the use of 2-butanone and/or toluene as solvents can ensure adequate dispersion and mixing of the components in the back coating, release layer, ink layer and adhesive layer.
Further, the thickness of the substrate is 4-10 μm, the thickness of the back coating is 0.5-1.2 μm, the thickness of the release layer is 0.2-0.4 μm, the thickness of the ink layer is 0.6-1.2 μm, and the thickness of the adhesive layer is 0.1-0.6 μm.
The beneficial effects are that: the thickness of the thermal transfer resin carbon tape applied to the PVC pipe can be ensured within the thickness range, and meanwhile, the adhesive force and the wear resistance to the base material are good.
Further, the vinyl chloride-vinyl acetate copolymer resin is binary vinyl chloride-vinyl acetate copolymer resin, the molecular weight of the vinyl chloride-vinyl acetate copolymer resin is 30000-50000, the vinyl acetate content is 12-18% by weight, and the binary vinyl chloride content is 5-16% by weight.
The beneficial effects are that: the vinyl chloride-vinyl acetate copolymer provides good solvent resistance for printed patterns, has good affinity with PVC pipes, and has good printing quality on the pipes.
Further, the inorganic pigment is carbon black.
The beneficial effects are that: the coloring effect of the carbon black is good.
Further, the solid particles are any one of silicon dioxide particles, organic silicon resin powder and thermosetting acrylic resin powder.
The beneficial effects are that: smooth and the isolation effect of the front and back layers, improves the adverse effect of the high-temperature and high-humidity environment on the carbon tape in the storage and transportation processes, and ensures the normal printing quality.
The invention provides a preparation method of a thermal transfer resin carbon tape applied to PVC pipes for achieving the second purpose, which comprises the following steps:
s1: preparing liquid:
and (3) releasing liquid: adding 0.1-2wt% of polyester resin, 2-8wt% of acrylic resin and 0.05-1wt% of wax into a solvent for dissolution, and preparing a release liquid for later use;
and (3) ink liquid: 17-34wt% of vinyl chloride-vinyl acetate copolymer, 3-8wt% of acrylic resin and 6-18wt% of aldehyde-ketone resin are added into a solvent for dissolution, then 8-20wt% of inorganic pigment and 0.05-2wt% of solid particles are added into the solvent for stirring and mixing, and then ink liquid is prepared for standby;
and (3) adhesive liquid: adding 2-8wt% of aldehyde ketone resin and 0.1-1.5wt% of solid particles into a solvent for dissolution to prepare an adhesive liquid for later use;
s2: corona is performed;
providing a substrate, and beating corona on two sides of the substrate;
s3: coating;
coating the back coating liquid prepared in the step S1 on one surface of the substrate subjected to corona striking in the step S2, and then drying to form a back coating for later use;
then coating the release liquid prepared in the step S1 on one surface of the substrate far away from the back coating in the step S2, and drying to form a release layer;
coating the ink liquid prepared in the step S1 on one surface of the release layer far away from the substrate in the step S3;
and finally, coating the adhesive liquid prepared in the step S1 on the ink layer far away from the release layer in the step S3 to obtain the thermal transfer resin carbon tape applied to the PVC pipe.
Further, coating release liquid by adopting a ceramic anilox roller with 230-250 lines, wherein the coating speed is 60-100m/min; the drying temperature is 80-100 ℃; coating ink liquid on a ceramic reticulate roller with 200-250 lines, wherein the coating speed is 60-100m/min, and the drying temperature is 80-100 ℃; the ceramic reticulate pattern roller coating liquid with 200-250 lines is adopted, the coating speed is 60-100m/min, and the drying temperature is 80-100 ℃.
The beneficial effects are that: the carbon tape prepared by the preparation method has the advantages that the foil retentivity of the resin carbon tape and the color density and the resolution of the printed patterns are effectively ensured through the design of the layer structure and the formula, the preparation method is applicable to various base materials, and the preparation cost of the carbon tape is low and the process is simple and feasible.
Drawings
FIG. 1 is a schematic diagram of the layer structure of a carbon ribbon according to the present invention;
FIG. 2 is a template diagram of a print test of the present invention;
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Example 1:
the embodiment provides a thermal transfer resin carbon ribbon applied to PVC pipes, which comprises a back coating, a substrate, a release layer, an ink layer and an adhesive layer which are sequentially attached from top to bottom.
Wherein the matrix is polyethylene terephthalate with the thickness of 1-10 mu m;
the back coating is formed by coating the following raw materials in parts by weight: 100 parts of 2-butanone, 100 parts of toluene, 5 parts of polyurethane modified silicone resin, 5 parts of acrylic modified silicone resin, 3 parts of polyvinyl acetal resin, 3 parts of polyvinyl butyral resin, 1 part of cross-linking agent (isocyanate), 2 parts of talcum, 1 part of aluminum hydroxide, 1 part of silicon dioxide, 2 parts of flatting agent, 2 parts of dispersing agent and 2 parts of antistatic agent;
the release layer is formed by coating the following raw materials in parts by weight: 47 parts of 2-butanone, 47 parts of toluene, 0.3 part of polyester resin, 5 parts of acrylic resin and 0.7 part of wax (PE wax);
the ink layer is formed by coating the following raw materials in parts by mass: 33 parts of 2-butanone, 32.5 parts of toluene, 6 parts of polyester resin, 3 parts of acrylic resin, 7 parts of aldehyde ketone resin, 18 parts of inorganic pigment and 0.5 part of solid particles;
the adhesive layer is formed by coating the following raw materials in parts by weight: 49 parts of 2-butanone, 48.9 parts of toluene, 2 parts of aldehyde ketone resin and 0.1 part of solid particles.
Preparation of a thermal transfer resin carbon tape applied to PVC pipes:
corona is applied to two sides of the polyethylene terephthalate;
taking materials according to the weight parts of the components of the back coating, and mixing to prepare back coating liquid;
coating back coating liquid on one corona surface of a first PET substrate by using a ceramic anilox roller with 200-250 lines, and drying at 60 ℃ for later use;
taking materials according to the weight parts of the components of the release layer, and mixing to prepare release liquid;
coating release liquid on one surface of the substrate, which is far away from the back coating, by using a 230-250-line ceramic anilox roller, and drying at 60 ℃ for later use;
taking materials according to the weight parts of the components of the ink layer, and mixing to prepare ink liquid;
coating ink liquid on one surface of the release layer far away from the matrix by using a ceramic anilox roller with 200-250 lines, and drying at 60 ℃ for later use;
taking materials according to the weight parts of the components of the adhesive layer, and mixing to prepare adhesive liquid;
coating adhesive liquid on one surface of the ink layer far away from the release layer by using a ceramic anilox roller with 200-250 lines, and drying at 60 ℃ for later use;
and obtaining the thermal transfer resin carbon tape applied to the PVC pipe.
Example 2:
this embodiment differs from embodiment 1 in that;
the release layer is formed by coating the following raw materials in parts by weight: 47.5 parts of 2-butanone, 47 parts of toluene, 1 part of polyester resin, 4 parts of acrylic resin and 0.5 part of wax (PE wax);
the ink layer is formed by coating the following raw materials in parts by mass: 30 parts of 2-butanone, 29 parts of toluene, 6 parts of polyester resin, 6 parts of acrylic resin, 8 parts of aldehyde ketone resin, 20 parts of inorganic pigment and 1 part of solid particles.
Example 3:
this embodiment differs from embodiment 1 in that;
the release layer is formed by coating the following raw materials in parts by weight: 47 parts of 2-butanone, 46 parts of toluene, 1.6 parts of polyester resin, 4.4 parts of acrylic resin and 1 part of wax (PE wax);
the ink layer is formed by coating the following raw materials in parts by mass: 30 parts of 2-butanone, 30 parts of toluene, 5 parts of polyester resin, 4 parts of acrylic resin, 10 parts of aldehyde ketone resin, 20 parts of inorganic pigment and 1 part of solid particles.
Example 4:
this embodiment differs from embodiment 1 in that;
the ink layer is formed by coating the following raw materials in parts by mass: 32 parts of 2-butanone, 31 parts of toluene, 5 parts of polyester resin, 7 parts of acrylic resin, 8 parts of aldehyde ketone resin, 15 parts of inorganic pigment and 2 parts of solid particles;
the adhesive layer is formed by coating the following raw materials in parts by weight: 47 parts of 2-butanone, 47.2 parts of toluene, 5 parts of aldehyde ketone resin and 0.8 part of solid particles.
Example 5:
this embodiment differs from embodiment 1 in that;
the release layer is formed by coating the following raw materials in parts by weight: 47.5 parts of 2-butanone, 47 parts of toluene, 1 part of polyester resin, 4 parts of acrylic resin and 0.5 part of wax (PE wax);
the ink layer is formed by coating the following raw materials in parts by mass: 30 parts of 2-butanone, 29.9 parts of toluene, 10 parts of polyester resin, 3 parts of acrylic resin, 10 parts of aldehyde ketone resin, 17 parts of inorganic pigment and 0.1 part of solid particles;
the adhesive layer is formed by coating the following raw materials in parts by weight: 47 parts of 2-butanone, 47.2 parts of toluene, 5 parts of aldehyde ketone resin and 0.8 part of solid particles.
Example 6:
this embodiment differs from embodiment 1 in that;
the release layer is formed by coating the following raw materials in parts by weight: 47 parts of 2-butanone, 46 parts of toluene, 1.6 parts of polyester resin, 4.4 parts of acrylic resin and 1 part of wax (PE wax);
the ink layer is formed by coating the following raw materials in parts by mass: 29 parts of 2-butanone, 28.5 parts of toluene, 15 parts of polyester resin, 4 parts of acrylic resin, 6 parts of aldehyde ketone resin, 16 parts of inorganic pigment and 1.5 parts of solid particles;
the adhesive layer is formed by coating the following raw materials in parts by weight: 47 parts of 2-butanone, 47.2 parts of toluene, 5 parts of aldehyde ketone resin and 0.8 part of solid particles.
Example 7:
this embodiment differs from embodiment 1 in that;
the ink layer is formed by coating the following raw materials in parts by mass: 30 parts of 2-butanone, 29 parts of toluene, 8 parts of polyester resin, 5 parts of acrylic resin, 12 parts of aldehyde ketone resin, 15 parts of inorganic pigment and 1 part of solid particles;
the adhesive layer is formed by coating the following raw materials in parts by weight: 46 parts of 2-butanone, 45 parts of toluene, 8 parts of aldehyde ketone resin and 1 part of solid particles.
Example 8:
this embodiment differs from embodiment 1 in that;
the release layer is formed by coating the following raw materials in parts by weight: 47.5 parts of 2-butanone, 47 parts of toluene, 1 part of polyester resin, 4 parts of acrylic resin and 0.5 part of wax (PE wax);
the ink layer is formed by coating the following raw materials in parts by mass: 33 parts of 2-butanone, 32.7 parts of toluene, 5 parts of polyester resin, 4 parts of acrylic resin, 15 parts of aldehyde ketone resin, 10 parts of inorganic pigment and 0.3 part of solid particles;
the adhesive layer is formed by coating the following raw materials in parts by weight: 46 parts of 2-butanone, 45 parts of toluene, 8 parts of aldehyde ketone resin and 1 part of solid particles.
Example 9:
this embodiment differs from embodiment 1 in that;
the release layer is formed by coating the following raw materials in parts by weight: 47 parts of 2-butanone, 46 parts of toluene, 1.6 parts of polyester resin, 4.4 parts of acrylic resin and 1 part of wax (PE wax);
the ink layer is formed by coating the following raw materials in parts by mass: 27.5 parts of 2-butanone, 27 parts of toluene, 8 parts of polyester resin, 5 parts of acrylic resin, 12 parts of aldehyde ketone resin, 19 parts of inorganic pigment and 1.5 parts of solid particles;
the adhesive layer is formed by coating the following raw materials in parts by weight: 46 parts of 2-butanone, 45 parts of toluene, 8 parts of aldehyde ketone resin and 1 part of solid particles.
Examples 1-9 performance testing of printed samples.
Carbon tape foil retention test
The carbon tape is folded to the ink layer surface outwards, the ink layer surface of the carbon tape is pinched by hands, the carbon tape is rubbed for 5 times, and the dropping condition of the ink layer of the carbon tape is observed
A: the carbon belt is free from white exposure, and the ink layer is free from falling off;
b: the carbon tape is slightly exposed and white, and no obvious ink layer drops;
NG: the carbon tape is exposed in a large amount, and the obvious ink layer drops;
print testing
The pattern shown in FIG. 2 was transferred to a PVC sleeve No. 4, a PVC heat shrinkage tube No. 4 and a sticker, respectively, using a wire printer (manufactured by Shuo, model TP76 i) and the resin carbon tape prepared in this example; the print density was 5.
The formed image was visually confirmed, and evaluated by the following evaluation criteria:
a: unprinted characters, lines and punctuation marks are not observed in the image;
b: some less than 2 unprinted characters, lines and punctuation marks are observed in the image;
c: the image is observed with less than 2-10 unprinted characters, lines and punctuation marks;
NG: more than 10 unprinted characters, lines and punctuation marks are observed in the image.
Wear test
The pattern shown in FIG. 2 was transferred onto a PVC sleeve No. 4 by using a wire printer (manufactured by Shuo, model TP76 i) with the resin carbon tape prepared in this example; the print density was 5. After the bar code transfer is completed, the pattern is then scraped with a force of about 10N, rubbing the bar code back and forth 10 times.
The formed image was visually confirmed and evaluated by the following evaluation criteria:
a: no image is dropped at all;
b: a few image points fall off, and no line is formed;
c: slight thread-forming fall-off;
NG: there is significant line-up sloughing without the friction cycle being completed.
Solvent resistance test:
the pattern shown in FIG. 2 was transferred onto a PVC sleeve No. 4 by using a wire printer (manufactured by Shuo, model TP76 i) with the resin carbon tape prepared in this example; the print density was 5. After the bar code transfer was completed, the bar code was loaded with a 500g weight and wrapped with cotton cloth impregnated with 0.5. 0.5m l isopropyl alcohol, and rubbed back and forth 100 times.
The formed image was visually confirmed and evaluated by the following evaluation criteria:
a: no image is dropped at all;
b: a few image points fall off, and no line is formed;
c: slight thread-forming fall-off;
NG: there is significant line-up sloughing without the friction cycle being completed.
Test results:
foil retention test:
and (3) printing and testing:
abrasion and solvent resistance test:
comparative example:
comparative examples 1-6 Release layer
1/3/5 2/4/6
Polyester resin 0 3
Acrylic resin 2.5 0
PE wax 0.5 1
2-butanone 49 48
Toluene (toluene) 48 48
Ink layer
Adhesive layer
The substrate and the back coating used in the comparative example were the same as those used in the present application, and the contents of the selected components were varied within the above-mentioned ranges, and the properties of the obtained products were similar.
Comparative examples 1-6 print sample performance test:
foil retention test:
and (3) printing and testing:
abrasion and solvent resistance test:
comparative example 1 2 3 4 5 6
Wear test C NG C NG NG NG
Alcohol resistance test NG NG B NG NG NG
In summary, the print test results, examples 1-9 and comparative examples 1-6, in which the carbon tape used the design of release layer, ink layer and adhesive layer, can ensure the adaptability of the carbon tape to different substrates;
the release layer adopts polyester, wax and acrylic acid to ensure foil retention, when the foil retention is poor, the base material and the carbon tape can generate large deformation during printing, the carbon tape ink layer falls off to influence the printing quality, the polyester resin can provide good foil retention, and the acrylic resin in the release layer has high brightness and ensures the brightness of the printed pattern;
the vinyl chloride-acrylic acid-aldehyde ketone resin is used in the ink layer, and the vinyl chloride-acrylic acid resin with high affinity is selected for PVC, so that the vinyl chloride-acrylic acid-aldehyde ketone resin can be well transferred, meanwhile, the acrylic acid resin and the aldehyde ketone resin are both high-brightness resins, good brightness can be provided, meanwhile, the fluidity of the aldehyde ketone resin is particularly good, and good resolution can be provided. The relative content of the three components ensures the resolution of the printing machine, and the printing machine can fall off blocks, acrylic acid and aldehyde ketone due to too high chlorine vinegar, incomplete transfer printing and too high aldehyde ketone, and can also fall off blocks and tail; the relative content of the carbon black content is also used for guaranteeing the requirement of the color density after printing;
the adhesive layer is aldehyde ketone resin, because the affinity of aldehyde ketone and most of base materials is good, the fluidity is good, the surface of the base materials can be treated in the printing process, the ink layer can be well attached, and the printing adaptability is improved; the granule is added to ensure that the front and back surfaces are prevented from being mutually stuck after being rolled, and the storage stability is ensured.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.

Claims (9)

1. The thermal transfer resin carbon belt for the PVC pipe is characterized by comprising a back coating, a matrix, a release layer, an ink layer and an adhesive layer which are sequentially adhered from top to bottom;
the release layer is formed by mixing the following raw materials in percentage by mass and then coating: 0.1-2wt% of polyester resin, 2-8wt% of acrylic resin, 0.05-1wt% of wax and the balance of solvent;
the ink layer is formed by mixing the following raw materials in percentage by mass and then coating: 17-34wt% of vinyl chloride-vinyl acetate copolymer, 3-8wt% of acrylic resin, 6-18wt% of aldehyde-ketone resin, 8-20wt% of inorganic pigment, 0.05-2wt% of solid particles and the balance of solvent;
the adhesive layer is formed by mixing the following raw materials in percentage by mass and then coating: 2-8wt% of aldehyde ketone resin, 0.1-1.5wt% of solid particles and the balance of solvent.
2. The thermal transfer resin carbon tape for PVC tubing according to claim 1, wherein the substrate is any one of polyethylene terephthalate film, 1, 4-polycyclohexylene dimethylene terephthalate film, polyethylene naphthalate, polyphenylene sulfide film, polystyrene film, polypropylene film, polyethylene film, polyvinyl chloride film, nylon film, polyimide film.
3. The thermal transfer resin carbon tape for PVC tubing according to claim 1, wherein the solvent is one or a mixture of two of 2-butanone and toluene.
4. The thermal transfer resin carbon tape for PVC tubing according to claim 1, wherein the thickness of the substrate is 4-10 μm, the thickness of the back coating is 0.5-1.2 μm, the thickness of the release layer is 0.2-0.4 μm, the thickness of the ink layer is 0.6-1.2 μm, and the thickness of the adhesive layer is 0.1-0.6 μm.
5. The thermal transfer resin carbon tape for PVC pipe according to claim 1, wherein the vinyl chloride-vinyl acetate copolymer resin has a molecular weight of 30000-50000, a vinyl acetate content of 12-18% by weight, and a binary vinyl chloride content of 5-16% by weight.
6. The thermal transfer resin carbon tape for PVC pipes according to claim 1, wherein the inorganic pigment is carbon black.
7. The thermal transfer resin carbon tape for PVC tubing according to claim 1, wherein the solid particles are any one of silica particles, silicone resin powder, and thermosetting acrylic resin powder.
8. A method for preparing a thermal transfer resin carbon tape for PVC pipes according to any one of claims 1 to 7, comprising the steps of:
s1: preparing liquid:
and (3) releasing liquid: adding 0.1-2wt% of polyester resin, 2-8wt% of acrylic resin and 0.05-1wt% of wax into a solvent for dissolution, and preparing a release liquid for later use;
and (3) ink liquid: 17-34wt% of vinyl chloride-vinyl acetate copolymer, 3-8wt% of acrylic resin and 6-18wt% of aldehyde-ketone resin are added into a solvent for dissolution, then 8-20wt% of inorganic pigment and 0.05-2wt% of solid particles are added into the solvent for stirring and mixing, and then ink liquid is prepared for standby;
and (3) adhesive liquid: adding 2-8wt% of aldehyde ketone resin and 0.1-1.5wt% of solid particles into a solvent for dissolution to prepare an adhesive liquid for later use;
s2: corona is performed;
providing a substrate, and beating corona on two sides of the substrate;
s3: coating;
coating the release liquid prepared in the step S1 on one surface of the substrate far away from the back coating in the step S2, and then drying to form a release layer;
coating the ink liquid prepared in the step S1 on one surface of the release layer far away from the substrate in the step S3;
and finally, coating the adhesive liquid prepared in the step S1 on the ink layer far away from the release layer in the step S3 to obtain the thermal transfer resin carbon tape applied to the PVC pipe.
9. The method for preparing a thermal transfer resin carbon tape applied to a PVC pipe according to claim 8, wherein the drying temperature is 60-100 ℃; coating release liquid by using a ceramic anilox roller with a line of 230-250, wherein the coating speed is 60-100m/min; the drying temperature is 80-100 ℃; coating ink liquid on a ceramic reticulate roller with 200-250 lines, wherein the coating speed is 60-100m/min, and the drying temperature is 80-100 ℃; the ceramic reticulate pattern roller coating with 200-250 lines is adopted to coat the adhesive liquid, the coating speed is 60-100m/min, and the drying temperature is 80-100 ℃.
CN202211726345.6A 2022-12-29 2022-12-29 Thermal transfer resin carbon ribbon applied to PVC (polyvinyl chloride) pipe and preparation method thereof Pending CN116463007A (en)

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Publication number Priority date Publication date Assignee Title
JPS64181A (en) * 1987-06-22 1989-01-05 Osaka Sealing Insatsu Kk Thermal transfer ink and sheet made by using it
US5856000A (en) * 1995-01-23 1999-01-05 Dai Nippon Printing Co., Ltd. Thermal transfer sheet
CN101987932A (en) * 2010-11-03 2011-03-23 北京赛腾工业标识系统有限公司 High-temperature steam endurance ink for spraying code and printing
CN104029448A (en) * 2014-05-30 2014-09-10 浙江永成印务有限公司 Transfer printing film for back face transfer printing of glass or transparent film and production and usage method
US20140349036A1 (en) * 2012-01-20 2014-11-27 Canon Kabushiki Kaisha Water-insoluble coloring compound, ink, thermal transfer recording sheet, and color filter resist composition
CN109627876A (en) * 2018-12-05 2019-04-16 香洋新材料(江苏)有限公司 A kind of thermal transfer mould release and preparation method thereof for digital printing
CN113442609A (en) * 2020-03-27 2021-09-28 湖南鼎一致远科技发展有限公司 Thermal transfer printing resin-based carbon ribbon and preparation method thereof
CN114312064A (en) * 2021-12-27 2022-04-12 湖南鼎一致远科技发展有限公司 Thermal transfer printing resin thermal transfer ribbon capable of being printed quickly and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS64181A (en) * 1987-06-22 1989-01-05 Osaka Sealing Insatsu Kk Thermal transfer ink and sheet made by using it
US5856000A (en) * 1995-01-23 1999-01-05 Dai Nippon Printing Co., Ltd. Thermal transfer sheet
CN101987932A (en) * 2010-11-03 2011-03-23 北京赛腾工业标识系统有限公司 High-temperature steam endurance ink for spraying code and printing
US20140349036A1 (en) * 2012-01-20 2014-11-27 Canon Kabushiki Kaisha Water-insoluble coloring compound, ink, thermal transfer recording sheet, and color filter resist composition
CN104029448A (en) * 2014-05-30 2014-09-10 浙江永成印务有限公司 Transfer printing film for back face transfer printing of glass or transparent film and production and usage method
CN109627876A (en) * 2018-12-05 2019-04-16 香洋新材料(江苏)有限公司 A kind of thermal transfer mould release and preparation method thereof for digital printing
CN113442609A (en) * 2020-03-27 2021-09-28 湖南鼎一致远科技发展有限公司 Thermal transfer printing resin-based carbon ribbon and preparation method thereof
CN114312064A (en) * 2021-12-27 2022-04-12 湖南鼎一致远科技发展有限公司 Thermal transfer printing resin thermal transfer ribbon capable of being printed quickly and preparation method thereof

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