CN110103603B - Strong wet friction heat-sensitive film and manufacturing method thereof - Google Patents

Strong wet friction heat-sensitive film and manufacturing method thereof Download PDF

Info

Publication number
CN110103603B
CN110103603B CN201910469589.2A CN201910469589A CN110103603B CN 110103603 B CN110103603 B CN 110103603B CN 201910469589 A CN201910469589 A CN 201910469589A CN 110103603 B CN110103603 B CN 110103603B
Authority
CN
China
Prior art keywords
parts
coating
layer
water
resistant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201910469589.2A
Other languages
Chinese (zh)
Other versions
CN110103603A (en
Inventor
王道力
唐宏磊
钟亚伍
亓华利
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Wanbao Ruida High New Technology Co ltd
Original Assignee
Jiangsu Wanbao Ruida High New Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Wanbao Ruida High New Technology Co ltd filed Critical Jiangsu Wanbao Ruida High New Technology Co ltd
Priority to CN201910469589.2A priority Critical patent/CN110103603B/en
Publication of CN110103603A publication Critical patent/CN110103603A/en
Application granted granted Critical
Publication of CN110103603B publication Critical patent/CN110103603B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/382Contact thermal transfer or sublimation processes
    • B41M5/385Contact thermal transfer or sublimation processes characterised by the transferable dyes or pigments
    • B41M5/3858Mixtures of dyes, at least one being a dye classifiable in one of groups B41M5/385 - B41M5/39
    • 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
    • C09D129/00Coating 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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
    • C09D129/02Homopolymers or copolymers of unsaturated alcohols
    • C09D129/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • 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
    • C09D133/04Homopolymers or copolymers of esters
    • 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
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • 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
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)

Abstract

The invention discloses a strong-humidity friction heat-sensitive film and a manufacturing method thereof, wherein a BOPP base film is sequentially coated with a priming layer, a heat-sensitive layer, a water-resistant layer and a printing adaptation layer, wherein the priming layer, the heat-sensitive layer and the printing adaptation layer are all water-based paint systems, the water-resistant layer is produced in a hot air drying mode after being coated, the water-resistant layer is water-based UV paint, the water-resistant layer is firstly dried by hot air after being coated, and the coating is further solidified by a UV lamp after being dried by water. The thermosensitive film product can better adapt to the printing requirements of different printing equipment, has strong wet friction resistance for printed images and improves the protective performance of thermosensitive film images.

Description

Strong wet friction heat-sensitive film and manufacturing method thereof
Technical Field
The invention relates to a strong-wet-resistant friction thermosensitive film and a manufacturing method thereof.
Technical Field
With the wider and wider application of thermal printing materials, the use amount of thermal films is rapidly increased, and the demand for thermal films in aquatic products and frozen foods is relatively rapid recently. Because of the application characteristics of aquatic products and frozen foods, the thermal film has high requirements on the image wet friction resistance of the thermal film when the thermal film is contacted with water in the processes of freezing, processing and transporting the commercial products.
The traditional thermosensitive film product is generally coated and produced by using an aqueous coating, and currently three coating structures are generally adopted for process design, namely a base film, a priming layer, a thermosensitive layer and a protective layer from bottom to top in sequence. All the coatings are water-based system coatings, the coatings are dried by hot air to form films after being coated, so that the coatings have certain water resistance and wet friction resistance, however, resin emulsion or PVA used by the water-based system coatings have certain hydrophilicity, and even if the crosslinking degree of the film layers is not very good after being dried to form films, the hydrophilicity of the film layers can influence the wet friction resistance after being soaked in water. Meanwhile, in order to achieve relatively good coating fastness, the proportion of the adhesive in each coating process formula is generally set to be relatively large, so that the printing performance of a product can be influenced, and the coating is difficult to adapt to equipment with low printing energy. Therefore, improvement is needed from the coating process or coating structure, the characteristic of weak water resistance of the water-based paint is overcome, the adverse effect caused by strong hydrophilicity of the adhesive after film formation is fundamentally solved, the wet friction resistance of the product is greatly improved, and the high requirement of the terminal on the performance is met.
Disclosure of Invention
Aiming at the defects of the traditional thermosensitive film products, the invention provides a strong-wet-friction-resistant thermosensitive film and a manufacturing method thereof. The strong-humidity-resistant friction thermosensitive film is characterized in that a base film is sequentially coated with a priming layer, a thermosensitive layer, a water-resistant layer and a printing adaptation layer, wherein the priming layer, the thermosensitive layer and the printing adaptation layer can be all water-based paint systems, the coating is produced in a hot air drying mode, the water-resistant layer is water-based UV paint, after the coating is coated, the coating is firstly dried through hot air, and after the coating is dried, the coating is further cured by a UV lamp. The specific technical scheme is as follows:
the invention provides a strong-wet-friction-resistant thermosensitive film, which comprises a base film, a priming layer coated on the base film and a thermosensitive layer coated on the priming layer; the thermosensitive layer is also coated with a water-resistant layer and a printing adaptation layer in sequence.
As a preferable technical scheme of the invention, the base film is a light-subtle or double-sided light or double-sided matt BOPP original film; the primer layer component comprises acrylic resin or a mixture of acrylic resin and hollow sphere plastic pigment; the thermosensitive layer component comprises acrylic resin and/or modified polyvinyl alcohol; the water-resistant component comprises an aqueous UV coating; the printing adaptation layer comprises zinc stearate lubricant, water-washed kaolin, water-based acrylic resin, modified polyvinyl alcohol and a crosslinking agent.
As a preferable technical scheme of the invention, the acrylic resin solid matters in the bottom layer of the strong wet friction heat-sensitive film account for more than 50% of the solid matters of the total components of the layer; the acrylic resin and/or modified polyvinyl alcohol solid in the thermosensitive layer component accounts for more than 20% of the total solid mass of the layer.
The invention also provides a manufacturing method of the strong-wet-resistant friction thermosensitive film, which is used for preparing the strong-wet-resistant friction thermosensitive film and comprises the following steps:
s1: preparing a base film: a BOPP primary film with one light or two sides is selected as a base film.
S2: preparing a priming paint: adding hollow spheres into a preparation tank, starting stirring, adding water-based acrylic resin emulsion, a calcium stearate lubricant and a defoaming agent, stirring at a speed of 100-150 rpm for 40min, and measuring the solid content of the coating to form a priming coating liquid for later use;
s3: preparing a thermosensitive layer coating: adding a small amount of water into a preparation tank, starting stirring, sequentially adding a dispersing agent, an inorganic pigment dispersion liquid, a color-developing agent grinding liquid, a leuco dye grinding liquid and a sensitizer grinding liquid, stirring for 40min at a rotating speed of 300rpm, sequentially adding a PVA glue solution, a cross-linking agent solution, a wetting agent, a lubricant and a defoaming agent, continuously stirring for 30min, detecting the solid content of the coating, adding water, and adjusting to a preset value to form a thermosensitive layer coating liquid for later use;
s4: preparing a water-resistant layer coating: adding a finished product water-based UV coating into a preparation tank, starting stirring, adding a wetting agent and a defoaming agent, stirring for 20min at the speed of 100-150 rpm, and adding water to adjust the solid content of the coating to a preset value to form a water-resistant layer coating liquid for later use;
s5: preparing a printing adaptation layer coating: adding water into a preparation tank, starting stirring, sequentially adding a sodium polyacrylate dispersing agent, a water-washed kaolin dispersing liquid, a water-based acrylic resin emulsion, a modified PVA solution, an octylphenol ethoxylate wetting agent, a zinc stearate lubricant, a cross-linking agent and a polyether defoaming agent, and continuously stirring for 40min at a speed of 100-150 rpm to form a printing adaptation layer coating liquid for later use;
s6: coating each coating: and (2) respectively pumping the coating liquids of each layer prepared in the steps (S2) to (S5) into a trough of a coating machine, sequentially coating a priming layer, a thermosensitive layer, a water-resistant layer and a printing adaptation layer on the base film in the step (S1) by adopting a metering rod or reticulate roller coating method, wherein the priming layer, the thermosensitive layer and the printing adaptation layer are produced in a hot air drying mode, and the water-resistant layer is cured by using a UV lamp through hot air drying.
In the step S2, as an preferable technical scheme, the components of the primer coating are as follows in parts by weight: hollow ball: 30-45 parts of acrylic resin emulsion: 50-65 parts of calcium stearate lubricant: 3-5 parts of defoaming agent: 1-2 parts.
In the step S2, the acrylic resin solids in the primer layer accounts for more than 50% of the total component solids in the layer.
In the step S3, as a preferred technical scheme, the heat-sensitive layer coating comprises the following components in parts by weight: dispersing agent: 1 to 2 parts of an inorganic pigment dispersion liquid: 25-30 parts of a developer grinding fluid: 25-30 parts of leuco dye grinding fluid: 12-20 parts of sensitizer grinding fluid: 10-15 parts of PVA glue solution: 10-20 parts of cross-linking agent solution: 1-2 parts of wetting agent: 1-2 parts of lubricant: 2-3 parts of defoaming agent: 0.5 to 1 part.
As a preferred technical solution, in step S3, the inorganic pigment dispersion liquid comprises the following components in parts by weight: inorganic dispersant: 1-2 parts of polyether defoamer: 0.3 to 0.5 part of light calcium carbonate: 98-99 parts.
In a preferred technical scheme, in step S5, the PVA glue solution comprises the following components in parts by weight: polyether defoamer: 0.5 to 0.8 part of modified PVA:99.2 to 99.5 portions.
In the step S5, the PVA glue may be changed into an acrylic resin, or a mixture of both, and the solids of both may be 20% or more of the total solids of the layer.
As a preferable technical scheme, the water-resistant layer coating in the step S4 comprises the following components in parts by weight: aqueous UV coating: 97-98 parts of wetting agent: 1-2 parts of defoaming agent: 0.5 to 1 part.
As a preferable technical scheme, the printing adaptation layer coating in the step S5 comprises the following components in parts by weight: sodium polyacrylate dispersant: 1-2 parts of water-washed kaolin dispersion liquid: 25-30 parts of aqueous acrylic resin: 20-40 parts of modified PVA solution: 20-40 parts of octyl phenol ethoxylate wetting agent: 2-3 parts of zinc stearate lubricant: 8-15 parts of cross-linking agent: 2-3 parts of polyether defoamer: 0.3 to 0.5 part.
As a preferable technical scheme, in step S6, the substrate is BOPP base film; the coating weight of the priming layer is 1.0-2.0 g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the The coating weight of the thermosensitive layer is 3.0-5.0 g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the The coating weight of the water-resistant layer is 0.5-1.0 g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the The coating amount of the printing adaptation layer is 0.5-1.0 g/m 2
The beneficial effects of the invention are as follows:
compared with the traditional thermosensitive film product, the invention has the following advantages:
firstly, the invention designs the heat-sensitive film coating structure and each coating formula process, the molecular structure of the acrylic resin prepolymer in the water-based UV coating used for the added water-resistant layer contains less hydrophilic groups, and the hydrophobicity degree of the coating after UV curing is very high, so that the influence of water on the heat-sensitive layer and the priming layer is isolated in the water-resistant layer, the extremely strong wet friction resistance of the heat-sensitive printed image is maintained, and the heat-sensitive printing ink has very good barrier property on adverse components of heat-sensitive color development such as water, oil, plasticizer and the like. And secondly, the invention adds a printing adaptation layer, so that the product can better adapt to the printing requirements of different printing devices and the adaptation to printing ink.
Experiments prove that the thermal film printed image has extremely strong wet friction resistance, and the printed bar code still remains complete and readable after the non-woven fabric is coated with a 500g weight and rubbed for 100 times after being wetted. The manufacturing method improves the protective performance of the thermosensitive film image, and the thermosensitive film printing bar code manufactured by the method has high color rendering retention rate up to more than 95% after being respectively soaked in water for 72h, soaked in oil for 24h and contacted with the PVC film for testing for 24h, thereby having excellent use value.
Drawings
FIG. 1 is a schematic structural view of a heat-sensitive film resistant to strong wet friction according to the present invention.
In the figure: 1. 2 parts of base film, 2 parts of priming layer, 3 parts of thermosensitive layer, 4 parts of water-resistant layer, 4 parts of printing adaptation layer.
Detailed Description
For more clearly illustrating the objects, technical solutions and advantages of the present invention, the technical solutions of the present invention will be clearly and completely described in the following in connection with the embodiments.
Example 1:
a strong-wet-resistant friction thermosensitive film is shown in fig. 1, and comprises a base film 1, a priming layer 2, a thermosensitive layer 3, a water-resistant layer 4 and a printing adaptation layer 5 from bottom to top. Wherein the base film is a light-matte or double-sided light or double-sided matte BOPP original film; the priming layer 2 is formed by coating a coating containing acrylic resin or a mixture of the acrylic resin and hollow sphere plastic pigment; the thermosensitive layer 3 is formed by coating a coating containing acrylic resin and/or modified polyvinyl alcohol; the water-resistant layer 4 is coated by adopting a water-based UV paint; the printing adaptation layer 5 is formed by coating a coating containing zinc stearate lubricant, water-washed kaolin, water-based acrylic resin, modified polyvinyl alcohol and a cross-linking agent. The acrylic resin solid in the priming layer 2 accounts for more than 50% of the total component solid mass of the priming layer; the acrylic resin and/or modified polyvinyl alcohol solid in the component 3 of the thermosensitive layer accounts for more than 20% of the total solid mass of the layer.
Example 2: preparation of primer
Firstly, weighing the components of the primer, namely the hollow spheres according to the following weight parts: 30-45 parts of acrylic resin emulsion: 50-65 parts of calcium stearate lubricant: 3-5 parts of defoaming agent: 1-2 parts. Then, adding hollow balls into a preparation tank, starting stirring, adding the aqueous acrylic resin emulsion, the calcium stearate lubricant and the defoamer, stirring at a speed of 100-150 rpm for 40min, and measuring the solid content of the coating to form a priming coating liquid for later use.
Example 3: preparation of inorganic pigment Dispersion
Firstly, weighing the components of the inorganic pigment dispersion liquid according to the following weight parts: 1-2 parts of polyether defoamer: 0.3 to 0.5 part of light calcium carbonate: 98-99 parts. Then, water is added into a dispersion tank, stirring is started, and inorganic dispersing agent, defoamer and light calcium carbonate are added for high-speed dispersion for 60min, so as to form pigment dispersion liquid for standby.
Example 4: preparation of PVA glue
Firstly, weighing all components of PVA glue solution according to the following weight portions: 0.5 to 0.8 part of modified PVA:99.2 to 99.5 portions. Then, adding water into a heating stirring tank, starting stirring, and adding polyether defoamer and modified PVA powder, wherein the modified PVA powder is slowly added; then heating slowly to 90-95 ℃, and preserving heat until PVA is completely dissolved to form PVA glue solution for standby.
Example 5: preparation of thermosensitive layer paint
Firstly, weighing the components of the thermosensitive layer coating according to the following weight portions: 1 to 2 parts of the inorganic pigment dispersion liquid prepared in example 3: 25-30 parts of a developer grinding fluid: 25-30 parts of leuco dye grinding fluid: 12-20 parts of sensitizer grinding fluid: 10-15 parts of PVA glue solution prepared in example 4: 10-20 parts of cross-linking agent solution: 1-2 parts of wetting agent: 1-2 parts of lubricant: 2-3 parts of defoaming agent: 0.5 to 1 part. Then, adding a small amount of water into a preparation tank, starting stirring, sequentially adding a dispersing agent, an inorganic pigment dispersion liquid, a color-developing agent grinding liquid, a leuco dye grinding liquid and a sensitizer grinding liquid, stirring for 40min at a rotating speed of 300rpm/min, sequentially adding a PVA glue solution, a cross-linking agent solution, a wetting agent, a lubricant and a defoaming agent, continuously stirring for 30min, detecting the solid content of the coating, adding water, and adjusting to a preset value to form a thermosensitive layer coating liquid for standby.
Example 6: preparation of water-resistant layer paint
Firstly, weighing each component of the water-resistant layer coating according to the following weight parts: 97-98 parts of wetting agent: 1-2 parts of defoaming agent: 0.5 to 1 part. Then, adding the finished water-based UV paint into a preparation tank, starting stirring, adding a wetting agent and a defoaming agent, stirring at the speed of 100-150 rpm for 20min, and adding water to adjust the solid content of the paint to a preset value to form a water-resistant layer coating liquid for later use.
Example 7: preparation of print adaptation layer coating
Firstly, weighing the components of the printing adaptation layer coating according to the following weight portions: 1-2 parts of water-washed kaolin dispersion liquid: 25-30 parts of aqueous acrylic resin: 20-40 parts of modified PVA solution: 20-40 parts of octyl phenol ethoxylate wetting agent: 2-3 parts of zinc stearate lubricant: 8-15 parts of cross-linking agent: 2-3 parts of polyether defoamer: 0.3 to 0.5 part. Then adding water into a preparation tank, starting stirring, sequentially adding a sodium polyacrylate dispersing agent, a water-washed kaolin dispersing liquid, a water-based acrylic resin emulsion, a modified PVA solution, an octylphenol ethoxylate wetting agent, a zinc stearate lubricant, a cross-linking agent and a polyether defoaming agent, and continuously stirring for 40 minutes under the stirring condition at the speed of 100-150 rpm to form a printing adaptation layer coating liquid for standby.
Example 8: manufacture of heat-sensitive film resistant to strong wet friction
The preparation method comprises the steps of selecting a light-light or double-sided matte BOPP (biaxially-oriented polypropylene) original film as a coating base film 1, respectively pumping each layer of coating liquid prepared in the embodiments 2, 5, 6 and 7 into a trough of a coating machine, sequentially coating a priming layer 2, a thermosensitive layer 3, a water-resistant layer 4 and a printing adaptation layer 5 on the BOPP base film by adopting a metering rod or reticulate roller coating method, wherein the priming layer 2, the thermosensitive layer 3 and the printing adaptation layer 5 are produced in a hot air drying mode, and the water-resistant layer 4 is firstly subjected to hot air drying and is solidified with a UV lamp. Wherein the coating amount of the priming layer 2 is 1.0-2.0 g/m 2 The thickness is 2-3 mu m; the coating amount of the thermosensitive layer 3 is 3.0-5.0 g/m 2 The thickness is 3-4 mu m; the coating weight of the water-resistant layer 4 is 0.5-1.0 g/m 2 The thickness is 0.5-1 μm; the coating amount of the print adaptation layer 5 is 0.5-1.0 g/m 2 The thickness is made to be 0.5-1 μm.
Example 9: wet rub resistance test
The strong wet friction resistant thermosensitive film prepared in example 8 was printed with a bar code, then a 500g weight was used to coat the nonwoven fabric with wet water, and rubbed 100 times, and then scanned with a bar code scanner, with the result that the printed bar code remained intact and readable.
Example 10: test of protective Property
The strong wet friction resistant thermosensitive film prepared in the example 8 is printed with bar codes, then soaked in water for 72 hours, soaked in oil for 24 hours and tested by contacting with PVC film for 24 hours, and the color development effect is observed, and the color development retention rate is as high as more than 95%.
Experiments prove that the thermal film printed image has extremely strong wet friction resistance, and the manufacturing method improves the protective performance of the thermal film image and has excellent use value.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive. Furthermore, it should be understood that, although the present disclosure describes embodiments, this description is not intended to include only one embodiment, and those skilled in the art should understand that the present disclosure is not limited to the embodiments described herein, and that the embodiments described in the examples may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

Claims (7)

1. A manufacturing method of a strong-wet-resistant friction thermosensitive film is characterized by comprising the following steps: the method comprises the following steps:
s1: preparing a base film: selecting a BOPP original film with one light or one or two sides as a base film;
s2: preparing a priming paint: adding the hollow sphere plastic pigment mixture into a preparation tank, starting stirring, adding the aqueous acrylic resin emulsion, the calcium stearate lubricant and the defoamer, and stirring to determine the solid content of the coating to form a priming coating liquid for later use;
s3: preparing a thermosensitive layer coating: adding a small amount of water into a preparation tank, starting stirring, sequentially adding a dispersing agent, an inorganic pigment dispersion liquid, a color-developing agent grinding liquid, a leuco dye grinding liquid and a sensitizer grinding liquid, stirring for 40min at a rotating speed of 300rpm, sequentially adding a PVA glue solution, a cross-linking agent solution, a wetting agent, a lubricant and a defoaming agent, continuously stirring for 30min, detecting the solid content of the coating, adding water, and adjusting to a preset value to form a thermosensitive layer coating liquid for later use;
s4: preparing a water-resistant layer coating: adding a finished product water-based UV coating into a preparation tank, starting stirring, adding a wetting agent and a defoaming agent, stirring at 100-150 rpm for 20min, and adding water to adjust the solid content of the coating to a preset value to form a water-resistant layer coating liquid for later use;
s5: preparing a printing adaptation layer coating: adding water into a preparation tank, starting stirring, sequentially adding a sodium polyacrylate dispersing agent, a water-washed kaolin dispersing liquid, a water-based acrylic resin emulsion, a modified PVA solution, an octylphenol ethoxylate wetting agent, a zinc stearate lubricant, a cross-linking agent and a polyether defoaming agent, and continuously stirring for 40min to form a printing adaptation layer coating liquid for later use;
s6: coating each coating: respectively pumping the coating liquid of each layer prepared in the step S2 to the step S5 into a trough of a coater, and sequentially coating a priming layer, a thermosensitive layer, a water-resistant layer and a printing adaptation layer on the base film in the step S1 by adopting a metering rod or a reticulate roller coating method; the priming layer, the thermosensitive layer and the printing adaptation layer are all produced in a hot air drying mode, and the waterproof layer is firstly subjected to hot air drying and is solidified with a UV lamp.
2. The method for producing a heat-sensitive film resistant to high humidity friction according to claim 1, wherein: the priming paint in the step S2 comprises the following components in parts by weight: hollow sphere plastic pigment mixture: 30-45 parts of acrylic resin emulsion: 50-65 parts of calcium stearate lubricant: 3-5 parts of defoaming agent: 1-2 parts.
3. The method for producing a heat-sensitive film resistant to high humidity friction according to claim 1, wherein: the thermosensitive layer coating in the step S3 comprises the following components in parts by weight: dispersing agent: 1 to 2 parts of an inorganic pigment dispersion liquid: 25-30 parts of a developer grinding fluid: 25-30 parts of leuco dye grinding fluid: 12-20 parts of sensitizer grinding fluid: 10-15 parts of PVA glue solution: 10-20 parts of cross-linking agent solution: 1-2 parts of wetting agent: 1-2 parts of lubricant: 2-3 parts of defoaming agent: 0.5 to 1 part.
4. The method for producing a heat-sensitive film resistant to high humidity friction according to claim 1, wherein: the water-resistant layer coating in the step S4 comprises the following components in parts by weight: aqueous UV coating: 97-98 parts of wetting agent: 1-2 parts of defoaming agent: 0.5 to 1 part.
5. The method for producing a heat-sensitive film resistant to high humidity friction according to claim 1, wherein: the printing adaptation layer coating in the step S5 comprises the following components in parts by weight: sodium polyacrylate dispersant: 1-2 parts of water-washed kaolin dispersion liquid: 25-30 parts of aqueous acrylic resin: 20-40 parts of modified PVA solution: 20-40 parts of octyl phenol ethoxylate wetting agent: 2-3 parts of zinc stearate lubricant: 8-15 parts of cross-linking agent: 2-3 parts of polyether defoamer: 0.3 to 0.5 part.
6. A method for producing a heat-sensitive film resistant to high humidity friction according to claim 1 or 3, characterized in that: the inorganic pigment dispersion liquid comprises the following components in parts by weight: inorganic dispersant: 1-2 parts of polyether defoamer: 0.3 to 0.5 part of light calcium carbonate: 98-99 parts; the PVA glue solution comprises the following components in parts by weight: polyether defoamer: 0.5 to 0.8 part of modified PVA:99.2 to 99.5 portions.
7. The method for producing a heat-sensitive film resistant to high humidity friction according to claim 1, wherein: in the step S6, the coating weight of the priming layer is 1.0-2.0 g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the The coating weight of the thermosensitive layer is 3.0-5.0 g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the The coating weight of the water-resistant layer is 0.5-1.0 g/m 2 The method comprises the steps of carrying out a first treatment on the surface of the The coating amount of the printing adaptation layer is 0.5-1.0 g/m 2
CN201910469589.2A 2019-05-31 2019-05-31 Strong wet friction heat-sensitive film and manufacturing method thereof Active CN110103603B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910469589.2A CN110103603B (en) 2019-05-31 2019-05-31 Strong wet friction heat-sensitive film and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910469589.2A CN110103603B (en) 2019-05-31 2019-05-31 Strong wet friction heat-sensitive film and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN110103603A CN110103603A (en) 2019-08-09
CN110103603B true CN110103603B (en) 2023-05-30

Family

ID=67493345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910469589.2A Active CN110103603B (en) 2019-05-31 2019-05-31 Strong wet friction heat-sensitive film and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN110103603B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111455722A (en) * 2020-04-08 2020-07-28 上海加颂纸业有限公司 Application of watermark paper in preparation of thermal sensitive paper, watermark thermal sensitive paper and preparation method thereof
CN112553951A (en) * 2020-12-25 2021-03-26 江苏万宝瑞达高新技术有限公司 Universal synthetic paper and manufacturing method thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4029618B2 (en) * 2002-01-17 2008-01-09 日本製紙株式会社 Thermal recording material
WO2006075467A1 (en) * 2005-01-13 2006-07-20 Nippon Paper Industries Co., Ltd. Thermosensitive recording medium
EP2412535B1 (en) * 2009-03-24 2014-10-29 Nippon Paper Industries Co., Ltd. Thermosensitive recording medium
JP5977014B2 (en) * 2011-10-20 2016-08-24 大日精化工業株式会社 Paint and laminated film using the paint
WO2014189044A1 (en) * 2013-05-22 2014-11-27 王子ホールディングス株式会社 Thermosensitive recording medium
CN104908380B (en) * 2015-06-30 2017-03-01 保定乐凯新材料股份有限公司 A kind of transfevent decorating film
CN106313923A (en) * 2015-07-03 2017-01-11 禹辉(上海)转印材料股份有限公司 Method for producing high abrasion-resistant solvent-resistant heat transfer film
CN105839457B (en) * 2016-03-25 2018-09-04 江苏万宝瑞达高新技术有限公司 Three-proofing thermal sensitive paper and manufacturing process thereof
CN106522026B (en) * 2016-10-25 2018-11-20 金华盛纸业(苏州工业园区)有限公司 A kind of enhanced water resistance energy heat-sensitive paper and preparation method thereof
CN109112893A (en) * 2017-06-23 2019-01-01 江苏万宝瑞达高新技术有限公司 A kind of dedicated special heat-sensitive paper of ink-jet
CN109112890A (en) * 2017-06-23 2019-01-01 江苏万宝瑞达高新技术有限公司 A kind of high glaze heat-sensitive paper and its manufacturing process
CN208232477U (en) * 2017-12-26 2018-12-14 江苏万宝瑞达高新技术有限公司 A kind of heat-proof water BOPP thermosensitive film
CN109504195A (en) * 2018-11-26 2019-03-22 江苏万宝瑞达高新技术有限公司 A kind of protection layer for paint and preparation method thereof suitable for thermosensitive film
CN211335232U (en) * 2019-05-31 2020-08-25 江苏万宝瑞达高新技术有限公司 Strong-wet-friction-resistant thermosensitive film

Also Published As

Publication number Publication date
CN110103603A (en) 2019-08-09

Similar Documents

Publication Publication Date Title
CN110103603B (en) Strong wet friction heat-sensitive film and manufacturing method thereof
US2698240A (en) Photographic films and their preparation
CN106192561A (en) A kind of Anti-fake thermosensitive paper and production method thereof
US5162141A (en) Polymeric sheet having an incompatible ink permanently bonded thereto
TWI714658B (en) Thermal transfer recording media
EP3463923B1 (en) Solvent resistant glossy printable substrates and their methods of manufacture and use
JP2013510741A (en) Method for forming an image on a transparent acrylic article
CN104937051A (en) Varnish having a microstructure
CN109594347A (en) A kind of aluminium system waterproof glossy canvas and preparation method thereof
CN108752615A (en) A kind of BOPP thermosensitive film production methods suitable for the printing of UV ink
JPH11263064A (en) Waterfast ink receptive material
CN211335232U (en) Strong-wet-friction-resistant thermosensitive film
TWI719145B (en) Thermal transfer recording media
US20060205870A1 (en) Multifunctional polymer particles and methods of making the same
CA2076807A1 (en) Chemical embossed polyvinyl chloride film
US6500525B1 (en) Recording medium, image formation method thereby, and production method thereof
EP0671280B1 (en) Ink jet recording method
CN109593421B (en) Alkali-resistant and water-washing-resistant protective adhesive for hot cloth electrochemical aluminum and preparation method and application thereof
US20070042141A1 (en) Coating compositions for forming inkjet-receptive coatings on a substrate
CN112832057B (en) Blue drawing paper and preparation method thereof
CN108909230B (en) Weak solvent type ink jet printing medium and preparation method thereof
CN113122056A (en) Ink-jet coating liquid, preparation method thereof and waterproof ink-jet polypropylene film
CN104669811A (en) Ink-jet printing photo film and preparation method thereof
JP5486227B2 (en) Method for producing thermal transfer image-receiving sheet
CN116285456B (en) Printable lettering film and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant