CN113478995A - Laser transfer film and production process thereof - Google Patents

Laser transfer film and production process thereof Download PDF

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Publication number
CN113478995A
CN113478995A CN202110752979.8A CN202110752979A CN113478995A CN 113478995 A CN113478995 A CN 113478995A CN 202110752979 A CN202110752979 A CN 202110752979A CN 113478995 A CN113478995 A CN 113478995A
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China
Prior art keywords
parts
resin
laser transfer
coating
production process
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CN202110752979.8A
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Chinese (zh)
Inventor
赵家坤
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Zhejiang Chunyu Packaging Material Co ltd
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Zhejiang Chunyu Packaging Material Co ltd
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Priority to CN202110752979.8A priority Critical patent/CN113478995A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • D21H17/56—Polyamines; Polyimines; Polyester-imides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents
    • D21H21/20—Wet strength agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/306—Resistant to heat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/73—Hydrophobic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2554/00—Paper of special types, e.g. banknotes

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Decoration By Transfer Pictures (AREA)

Abstract

The invention relates to the technical field of laser transfer films and discloses a laser transfer film and a production process thereof. This radium-shine transfer membrane and production technology thereof, through the bulk strength of strengthening radium-shine transfer membrane of strengthening layer, can improve the holistic heat resistance of radium-shine transfer membrane, water resistance, and bending resistance to guarantee the holistic intensity of radium-shine transfer membrane, the strengthening layer is with polyamide resin, polyvinyl alcohol tert-butyl aldehyde, modified phenolic resin, the coating that furfural resin and isocyanate were made, and add curing agent and dibutyl phthalate, make the coating of making not only can improve the curing speed, can also improve holistic heat resistance of radium-shine transfer membrane, water resistance, and bending resistance.

Description

Laser transfer film and production process thereof
Technical Field
The invention relates to the technical field of laser transfer films, in particular to a laser transfer film and a production process thereof.
Background
The laser packaging material is various packaging decoration materials produced and manufactured by using a laser holographic technology, and is commonly called as a laser material. The patterns and characters made by the laser holographic technology have special effects of unique brightness, color change and colorful profusion, so that any other technology in the world can not be achieved and replaced at present. Therefore, the laser packaging decoration material and the color printing are combined to be applied to packaging products, which are praised by people as the forefront technical products of the world printing and packaging industry, and the laser packaging decoration material is widely applied to packaging materials.
Most of the existing laser transfer films have general heat resistance and water resistance, so that the overall strength of the laser transfer film is general and has certain limitations.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a laser transfer film and a production process thereof, which have the advantages of high overall strength and the like and solve the problem of general overall strength in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the laser transfer film comprises a laser transfer film body, wherein a paper layer is arranged in the middle of the laser transfer film body, a flexible layer is arranged on the outer side of the paper layer, and a reinforcing layer is bonded on the outer side of the flexible layer.
Preferably, the strengthening layer is an improved weather-resistant coating, and the coating adopted by the strengthening layer is prepared from the following raw materials in parts by weight: 50-200 parts of polyamide resin, 12-16 parts of polyvinyl alcohol tert-butyl aldehyde, 20-40 parts of modified phenolic resin, 8-12 parts of furfural resin, 8-12 parts of isocyanate, 2-3 parts of curing agent and 2-4 parts of dibutyl phthalate.
The polyamide resin can improve the brittleness of the coating and improve the bonding capacity, the polyvinyl alcohol tert-butyl aldehyde can improve the impact-resistant tanning property, the modified phenolic resin can improve the temperature resistance and the corrosion resistance, the furfural resin can improve the static bending property and improve the acid resistance, the isocyanate can reduce the moisture permeability and increase the water resistance, and the dibutyl phthalate is used for increasing the toughness.
Preferably, mixed filling slurry is added into the paper layer, and the mixed filling slurry added into the paper layer is prepared from the following raw materials in parts by weight: 8-13 parts of starch derivative, 7-15 parts of vegetable gum, 5-9 parts of dry strength agent and 3-4 parts of polyethyleneimine.
The starch derivative, the vegetable gum and the dry strength agent form a dry reinforcing agent, the polyethyleneimine is a wet strength agent, and the dry reinforcing agent and the wet reinforcing agent jointly form a paper reinforcing agent, so that the overall strength of the paper layer 2 is improved.
A production process of a laser transfer film comprises the following steps,
step a, respectively adding 50-200 parts of polyamide resin, 20-40 parts of modified phenolic resin and 8-12 parts of furfural resin into a high-speed dispersion machine, and performing pre-dispersion by the high-speed dispersion machine at the rotating speed of 300r/min to obtain the resin after the pre-dispersion.
And b, grinding the resin subjected to pre-dispersion in the step a by a sand machine until the resin is ground to reach standard fineness.
And c, adding 12-16 parts of polyvinyl alcohol tert-butyl aldehyde, 8-12 parts of isocyanate, 2-3 parts of a curing agent and 2-4 parts of dibutyl phthalate into the ground resin obtained in the step b to obtain a mixture.
And d, transferring the mixture obtained in the step c into a stirrer for high-speed rotation stirring, and standing to obtain the coating for later use.
And e, coating the coating prepared in the step d on a nitrile resin layer through a coating machine, then compounding the nitrile resin layer to an OPP film through a compound machine, rewinding through a rewinding machine, and cutting through a splitting machine after rewinding is finished.
Preferably, the pre-dispersing time of the high-speed disperser in the step a is 30min-1 h.
Preferably, the rotating stirring time of the stirrer in the step d is 1-2 hours.
Preferably, 2 to 4 parts of dibutyl phthalate in the step c can be replaced by 2 to 4 parts of dioctyl phthalate.
Compared with the prior art, the invention provides a laser transfer film and a production process thereof, and the laser transfer film has the following beneficial effects:
1. the laser transfer film and the production process thereof can enhance the integral strength of the laser transfer film through the strengthening layer, can improve the integral heat resistance, water resistance and bending resistance of the laser transfer film, thereby ensuring the integral strength of the laser transfer film, the strengthening layer is made of the coating made of polyamide resin, polyvinyl alcohol tertiary butyl aldehyde, modified phenolic resin, furfural resin and isocyanate, and adds curing agent and dibutyl phthalate, so that the prepared coating not only can improve the curing speed, but also can improve the heat resistance, water resistance and bending resistance of the whole laser transfer film, meanwhile, the paper layer is improved, the starch derivative, the vegetable gum and the dry strength agent form a dry reinforcing agent, the polyethyleneimine is a wet strength agent, and the dry reinforcing agent and the wet reinforcing agent jointly form the paper reinforcing agent, so that the overall strength of the laser film body is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of the structure of the present invention.
Wherein: 1. a laser transfer film body; 2. a paper layer; 3. a flexible layer; 4. a strengthening 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Detailed description of the invention
The following is a specific embodiment of a laser transfer film.
Referring to fig. 1, a laser transfer film according to the present embodiment includes a laser transfer film body 1, a paper layer 2 is disposed in a middle portion of the laser transfer film body 1, a flexible layer 3 is disposed outside the paper layer 2, and a reinforcing layer 4 is bonded outside the flexible layer 3.
Further, the strengthening layer 4 is an improved weather-resistant coating, and the coating adopted by the strengthening layer 4 is prepared from the following raw materials in parts by weight: 50-200 parts of polyamide resin, 12-16 parts of polyvinyl alcohol tert-butyl aldehyde, 20-40 parts of modified phenolic resin, 8-12 parts of furfural resin, 8-12 parts of isocyanate, 2-3 parts of curing agent and 2-4 parts of dibutyl phthalate.
According to the technical scheme, the polyamide resin can improve the brittleness of the coating and improve the bonding capacity, the polyvinyl alcohol tert-butyl aldehyde can improve the impact-resistant tanning property, the modified phenolic resin can improve the temperature resistance and the corrosion resistance, the furfural resin can improve the static bending property and the acid resistance, the isocyanate can reduce the moisture permeability and increase the water resistance, so that a certain oxidation resistance is improved, and the dibutyl phthalate is used for increasing the toughness.
Further, mixed filling slurry is added into the paper layer 2, and the mixed filling slurry added into the paper layer 2 is prepared from the following raw materials in parts by weight: 8-13 parts of starch derivative, 7-15 parts of vegetable gum, 5-9 parts of dry strength agent and 3-4 parts of polyethyleneimine.
In the technical scheme, the starch derivative, the vegetable gum and the dry strength agent form a dry reinforcing agent, the polyethyleneimine is a wet strength agent, and the dry reinforcing agent and the wet reinforcing agent jointly form a paper reinforcing agent, so that the overall strength of the paper layer 2 is improved.
The dry reinforcing agent is an efficient dispersing agent, and can ensure that the arrangement of fibers is more regular and the bonding is tighter, thereby enhancing the bonding force between the fibers and ensuring that the paper has higher dry strength.
Polyethyleneimine can impart wet strength to paper without curing.
Detailed description of the invention
The following is a specific embodiment of a production process of a laser transfer film.
The production process of the laser transfer film in the embodiment comprises the following steps,
step a, respectively adding 50-200 parts of polyamide resin, 20-40 parts of modified phenolic resin and 8-12 parts of furfural resin into a high-speed dispersion machine, and performing pre-dispersion by the high-speed dispersion machine at the rotating speed of 300r/min to obtain the resin after the pre-dispersion.
And b, grinding the resin subjected to pre-dispersion in the step a by a sand machine until the resin is ground to reach standard fineness.
And c, adding 12-16 parts of polyvinyl alcohol tert-butyl aldehyde, 8-12 parts of isocyanate, 2-3 parts of a curing agent and 2-4 parts of dibutyl phthalate into the ground resin obtained in the step b to obtain a mixture.
And d, transferring the mixture obtained in the step c into a stirrer for high-speed rotation stirring, and standing to obtain the coating for later use.
And e, coating the coating prepared in the step d on a nitrile resin layer through a coating machine, then compounding the nitrile resin layer to an OPP film through a compound machine, rewinding through a rewinding machine, and cutting through a splitting machine after rewinding is finished.
Further, the pre-dispersing time of the high-speed disperser in the step a is 30min-1 h.
Further, the rotating stirring time of the stirrer in the step d is 1-2 hours.
Further, 2-4 parts of dibutyl phthalate in the step c can be replaced by 2-4 parts of dioctyl phthalate.
Dibutyl phthalate and dioctyl phthalate are both toughening agents, and the overall toughness of the laser transfer film body 1 can be improved.
Detailed description of the invention
The following is a specific embodiment of a production process of a laser transfer film.
The production process of the laser transfer film in the embodiment comprises the following steps,
step a, respectively adding 50 parts of polyamide resin, 20 parts of modified phenolic resin and 8 parts of furfural resin into a high-speed dispersion machine, and performing pre-dispersion for 30min at a rotating speed of 300r/min by using the high-speed dispersion machine to obtain the resin after the pre-dispersion is finished.
And b, grinding the resin subjected to pre-dispersion in the step a by a sand machine until the resin is ground to reach standard fineness.
And c, adding 12 parts of polyvinyl alcohol tert-butyl aldehyde, 8 parts of isocyanate, 2 parts of a curing agent and 2 parts of dibutyl phthalate into the ground resin obtained in the step b to obtain a mixture.
And d, transferring the mixture obtained in the step c into a stirrer, stirring for 1h at a high speed in a rotating manner, and standing to obtain the coating for later use.
And e, coating the coating prepared in the step d on a nitrile resin layer through a coating machine, then compounding the nitrile resin layer to an OPP film through a compound machine, rewinding through a rewinding machine, and cutting through a splitting machine after rewinding is finished.
Detailed description of the invention
The following is a specific embodiment of a production process of a laser transfer film.
The production process of the laser transfer film in the embodiment comprises the following steps,
step a, respectively adding 200 parts of polyamide resin, 40 parts of modified phenolic resin and 12 parts of furfural resin into a high-speed dispersion machine, and performing pre-dispersion for 30min at a rotating speed of 300r/min by using the high-speed dispersion machine to obtain the resin after the pre-dispersion is finished.
And b, grinding the resin subjected to pre-dispersion in the step a by a sand machine until the resin is ground to reach standard fineness.
And c, adding 16 parts of polyvinyl alcohol tert-butyl aldehyde, 12 parts of isocyanate, 3 parts of a curing agent and 4 parts of dibutyl phthalate into the ground resin obtained in the step b to obtain a mixture.
And d, transferring the mixture obtained in the step c into a stirrer, stirring for 1h at a high speed in a rotating manner, and standing to obtain the coating for later use.
And e, coating the coating prepared in the step d on a nitrile resin layer through a coating machine, then compounding the nitrile resin layer to an OPP film through a compound machine, rewinding through a rewinding machine, and cutting through a splitting machine after rewinding is finished.
Detailed description of the invention
The following is a specific embodiment of a production process of a laser transfer film.
The production process of the laser transfer film in the embodiment comprises the following steps,
step a, respectively adding 50 parts of polyamide resin, 20 parts of modified phenolic resin and 8 parts of furfural resin into a high-speed dispersion machine, and performing pre-dispersion for 1h through the high-speed dispersion machine at the rotating speed of 300r/min to obtain the resin after the pre-dispersion is finished.
And b, grinding the resin subjected to pre-dispersion in the step a by a sand machine until the resin is ground to reach standard fineness.
And c, adding 12 parts of polyvinyl alcohol tert-butyl aldehyde, 8 parts of isocyanate, 2 parts of a curing agent and 2 parts of dibutyl phthalate into the ground resin obtained in the step b to obtain a mixture.
And d, transferring the mixture obtained in the step c into a stirrer, stirring for 2 hours in a high-speed rotating manner, and standing to obtain the coating for later use.
E, coating the coating prepared in the step d on a nitrile resin layer through a coating machine, then compounding the nitrile resin layer on an OPP film through a compound machine, rewinding through a rewinding machine, and cutting through a splitting machine after rewinding is finished
Detailed description of the invention
The coating obtained in the third embodiment is selected as a comparison group a, the coating obtained in the fourth embodiment is selected as a comparison group B, and the coating obtained in the fifth embodiment is selected as a comparison group C.
The following table shows the test items and standards for three sets of coatings.
Heat resistance Paint film Heat resistance test method GB1735-1979(1989)
Drying time Paint film drying time determination method GB1728-1979
Adhesion force Cross-hatch test of paint films in paints and varnishes GBT9286-1998
Viscosity of the oil Measuring the flow-out time of paints and varnishes using flow-out cups GB/T6753.4-1988
Anti-static bending Bending test of color paint and varnish GB/T6742-2007
Water resistance Method for measuring water resistance of colored paint and varnish GB/T5209-1985
And selecting three OPP films with the same area, material and specification for the experimental object.
The experimental requirements are as follows: the three groups of coatings are respectively used for spraying the OPP film, and the specific detection data are as follows:
The following table is comparative data for three comparative groups:
item/group classification Comparative group A Comparative group B Comparative group C
Heat resistance (grade) 1 2 2
Drying time (h) 10 5 10
Adhesion (grade) 2 1 2
Viscosity (/ s) 69 63 79
Anti-bending (grade) 2 1 2
Water resistance (grade) 1 2 2
Comparison results Good wine Good wine Superior food
By combining the table above and contrasting the three contrast groups, the data obtained in the contrast group C is superior to those obtained in the contrast group A and the contrast group B, so that the laser transfer film with more excellent production position can be produced by selecting the proportion and the production time in the contrast group C.
The technical effects of the invention are mainly reflected in the following aspects: this radium-shine transfer membrane passes through the bulk strength of strengthening layer reinforcing radium-shine transfer membrane, can improve the holistic heat resistance of radium-shine transfer membrane, water resistance, and bending resistance, thereby guarantee the holistic intensity of radium-shine transfer membrane, the strengthening layer is with polyamide resin, polyvinyl alcohol tertiary butyl aldehyde, modified phenolic resin, the coating that furfural resin and isocyanate were made, and add curing agent and dibutyl phthalate, make the coating of making not only can improve the curing speed, can also improve the holistic heat resistance of radium-shine transfer membrane, water resistance, and bending resistance, carry out relevant improvement in paper layer 2 department simultaneously, starch derivatives, plant gum constitutes dry reinforcing agent with dry reinforcing agent, polyethyleneimine is wet strength agent, dry reinforcing agent and wet reinforcing agent constitute paper reinforcing agent jointly, thereby improve the bulk strength of radium-shine membrane body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a laser transfer membrane, includes laser transfer membrane body (1), its characterized in that: the middle part of laser transfer membrane body (1) is provided with paper layer (2), the outside on paper layer (2) is provided with flexible layer (3), the outside of flexible layer (3) bonds and has strengthening layer (4).
2. The laser transfer film of claim 1, wherein: the reinforced layer (4) is an improved weather-resistant coating, and the coating adopted by the reinforced layer (4) is prepared from the following raw materials in parts by weight: 50-200 parts of polyamide resin, 12-16 parts of polyvinyl alcohol tert-butyl aldehyde, 20-40 parts of modified phenolic resin, 8-12 parts of furfural resin, 8-12 parts of isocyanate, 2-3 parts of curing agent and 2-4 parts of dibutyl phthalate.
3. The laser transfer film of claim 1, wherein: the paper layer (2) is added with mixed filling slurry, and the mixed filling slurry added in the paper layer (2) is prepared from the following raw materials in parts by weight: 8-13 parts of starch derivative, 7-15 parts of vegetable gum, 5-9 parts of dry strength agent and 3-4 parts of polyethyleneimine.
4. A production process of a laser transfer film is characterized by comprising the following steps: comprises the following steps of (a) carrying out,
step a, respectively adding 50-200 parts of polyamide resin, 20-40 parts of modified phenolic resin and 8-12 parts of furfural resin into a high-speed dispersion machine, and performing pre-dispersion by the high-speed dispersion machine at the rotating speed of 300r/min to obtain pre-dispersed resin;
b, grinding the resin subjected to pre-dispersion in the step a by a sand machine until the resin is ground to reach standard fineness;
step c, adding 12-16 parts of polyvinyl alcohol tert-butyl aldehyde, 8-12 parts of isocyanate, 2-3 parts of a curing agent and 2-4 parts of dibutyl phthalate into the ground resin obtained in the step b to obtain a mixture;
d, transferring the mixture obtained in the step c into a stirrer for high-speed rotation stirring, and standing to obtain a coating for later use;
and e, coating the coating prepared in the step d on a nitrile resin layer through a coating machine, then compounding the nitrile resin layer to an OPP film through a compound machine, rewinding through a rewinding machine, and cutting through a splitting machine after rewinding is finished.
5. The production process of the laser transfer film of claim 4, wherein the production process comprises the following steps: the pre-dispersion time of the high-speed dispersion machine in the step a is 30min-1 h.
6. The production process of the laser transfer film of claim 4, wherein the production process comprises the following steps: and d, the rotating stirring time of the stirrer in the step d is 1-2 hours.
7. The production process of the laser transfer film of claim 4, wherein the production process comprises the following steps: 2-4 parts of dibutyl phthalate in the step c can be replaced by 2-4 parts of dioctyl phthalate.
CN202110752979.8A 2021-07-02 2021-07-02 Laser transfer film and production process thereof Pending CN113478995A (en)

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BE740591A (en) * 1968-10-24 1970-04-01
GB9813786D0 (en) * 1998-06-26 1998-08-26 Ellis Michael The production and application of retroreflective vinyl dispersion coatings and materials
US20080233369A1 (en) * 2005-09-28 2008-09-25 Fujifilm Manufacturing Europe B.V. Recording support
WO2019024166A1 (en) * 2017-03-01 2019-02-07 苏州赛伍应用技术股份有限公司 High-performance repair tape for backboard of photovoltaic module, and manufacturing method therefor
CN109423100A (en) * 2017-08-29 2019-03-05 财团法人工业技术研究院 Pigment composite particle, weather-resistant coating containing same and weather-resistant structure
CN110003778A (en) * 2019-03-22 2019-07-12 佛山市沃特布恩新型材料有限公司 One kind is for waterborne polyester white paint in coil coating and preparation method thereof
CN110154466A (en) * 2018-03-20 2019-08-23 浙江友丰包装材料有限公司 A kind of high barrier laser transfer membrane and its production technology

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE740591A (en) * 1968-10-24 1970-04-01
GB9813786D0 (en) * 1998-06-26 1998-08-26 Ellis Michael The production and application of retroreflective vinyl dispersion coatings and materials
US20080233369A1 (en) * 2005-09-28 2008-09-25 Fujifilm Manufacturing Europe B.V. Recording support
WO2019024166A1 (en) * 2017-03-01 2019-02-07 苏州赛伍应用技术股份有限公司 High-performance repair tape for backboard of photovoltaic module, and manufacturing method therefor
CN109423100A (en) * 2017-08-29 2019-03-05 财团法人工业技术研究院 Pigment composite particle, weather-resistant coating containing same and weather-resistant structure
CN110154466A (en) * 2018-03-20 2019-08-23 浙江友丰包装材料有限公司 A kind of high barrier laser transfer membrane and its production technology
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Application publication date: 20211008