CN110033720B - Single-permeation patch and preparation process thereof - Google Patents
Single-permeation patch and preparation process thereof Download PDFInfo
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- CN110033720B CN110033720B CN201910313097.4A CN201910313097A CN110033720B CN 110033720 B CN110033720 B CN 110033720B CN 201910313097 A CN201910313097 A CN 201910313097A CN 110033720 B CN110033720 B CN 110033720B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000002834 transmittance Methods 0.000 claims abstract description 19
- 239000010410 layer Substances 0.000 claims description 70
- 238000004080 punching Methods 0.000 claims description 68
- 239000011265 semifinished product Substances 0.000 claims description 40
- 239000000047 product Substances 0.000 claims description 26
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000003292 glue Substances 0.000 claims description 23
- 239000002480 mineral oil Substances 0.000 claims description 16
- 235000010446 mineral oil Nutrition 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 102000008186 Collagen Human genes 0.000 claims description 4
- 108010035532 Collagen Proteins 0.000 claims description 4
- 229920001436 collagen Polymers 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 27
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- 238000010422 painting Methods 0.000 abstract description 4
- 238000007592 spray painting technique Methods 0.000 abstract description 4
- 230000002087 whitening effect Effects 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 239000002390 adhesive tape Substances 0.000 abstract 1
- 238000007710 freezing Methods 0.000 description 6
- 230000008014 freezing Effects 0.000 description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/245—Vinyl resins, e.g. polyvinyl chloride [PVC]
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F15/00—Boards, hoardings, pillars, or like structures for notices, placards, posters, or the like
- G09F15/02—Bills, posters, or the like therefor
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2427/00—Presence of halogenated polymer
- C09J2427/006—Presence of halogenated polymer in the substrate
Abstract
The invention relates to a single-transparent adhesive tape, which comprises a printing layer 1, an adhesive release layer 2, wherein the printing layer 1 is provided with a plurality of through holes 3, and the aperture of each through hole 3 is as follows: diameter is 1.0mm, light transmittance: 40.27, the transverse distance between the through holes 3 is 3mm, the vertical distance between the through holes 3 is 1.3mm, the through holes are uniform and have proper intervals, after the use, the single transparent paste can realize good light transmittance, and the combination of the patterns can realize the effective transparent decorative effect, and improve the usability, the practicability and the effectiveness. The single-permeation patch provided by the invention has the advantages that the preparation process is simple, the prepared product has no deformation of holes and no fuzz at the edges of the holes, and the shrinkage rate can be realized: 1-2%; release force: less than or equal to 20g/25mm; holding force: > 1440min; color development by painting: the spray painting is uniform and bright in color, and is free from white exposure, ink retention and whitening; annular primary adhesion: > = 3N/25mm x 25mm.
Description
Technical Field
The invention relates to the technical field of advertisement stickers, in particular to a single-transparent sticker and a preparation process thereof.
Background
The unidirectional perspective paste is simply referred to as a single-sided paste, also called as a single-sided transparent, a sun-shading punched single-sided transparent and a unidirectional perspective paste, after the single-sided transparent paste is posted, not only a beautiful advertisement propaganda picture can be seen, but also better light transmittance can be achieved, and good effect can be presented for people, so that a plurality of enterprises can choose the mode to make advertisements, personalized decorations and the like, because the unidirectional perspective paste can be used for propaganda of enterprise images or products, has good decorative effect, and is more and more popular with advertisement manufacturers
The single transparent paste is realized by punching fine holes on a product, but the product in the current market has uneven punching size or improper interval arrangement, directly influences the light transmittance, influences the attractive effect of a printed pattern, and in addition, burrs easily appear inside and outside a hole surface due to the fact that holes are punched, hole type variability also influences the light transmittance directly, influences the attractive effect of the printed or sprayed pattern, influences the quality of the product, and influences the use effect, the practical effect and the attractive effect of the product.
Disclosure of Invention
The invention aims to provide a single-transparent patch and a preparation process thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a singly pass through subsides, includes printing layer bonding release layer, and printing layer is provided with several through-hole, its characterized in that, the aperture of through-hole: diameter is 1.0mm, light transmittance: 40.27% and the transverse distance between the through holes is 3mm and the vertical distance between the through holes is 1.3mm.
The printing layer is a PVC film layer printing layer.
The upper part of the printing layer is printed with a white mineral oil layer, and the lower part of the printing layer is provided with a glue layer which is adhered with the release layer.
The bottom of the glue layer contains a 77241B glue curing layer, and the curing rate is 40%.
The preparation process of the single-permeation patch is characterized by comprising the following steps of:
s1, preparing a required PVC film, a collagen material, release paper, printing ink and white mineral oil;
s2, printing the required pattern on the outer surface of the PVC film through a printer to form a semi-finished product A;
s3, preparing a pressure-sensitive adhesive;
s4, covering and combining the semi-finished product A with the prepared pressure-sensitive adhesive, glue and release paper by using a coating machine to form a semi-finished product B, so that the semi-finished product B forms a PVC printing layer, a glue curing layer and a release layer, and placing the semi-finished product B for drying and trimming after covering and combining;
s5, placing the cut edge of the semi-finished product B for 96 hours, and then punching, wherein the step of punching comprises the following steps:
1) Selecting a needle head with the diameter of 1.0mm, and punching the total length of the needle: 40mm, length of the punch pin which can be ground: 15mm; a punching die with a transverse distance of 3mm and a vertical distance of 1.3mm;
2) Coating a layer of white mineral oil on the surface of a semi-finished product B placed for 96 hours by adopting a roller before punching to form a semi-finished product C, then rapidly cooling the semi-finished product C in a freezer at-5 ℃ to-15 ℃, and rapidly punching by adopting a punching die to form a finished product D;
3) Putting the product into a heating box for heating after punching, and softening the surface of the finished product D;
s6, rewinding by a rewinder after passing through the heating roller.
In the step S5, the semi-finished product B rapidly passes through a freezer, a punching die and a heating box to be frozen, punched and heated by a movable conveyer belt.
The temperature of the heating box in the step S5 is 80-90 DEG C
8 rows of inclined rows are adopted for the punching die, 4300 punching pins are adopted for the punching die, and the horizontal distance between the pins is 3mm, and the vertical distance is 1.3mm.
The moving speed of the punching die through the freezer is 10-20 m/min.
The speed of the heated box is 50 m/min.
Compared with the prior art, the invention has the beneficial effects that:
1. diameter is 1.0mm, light transmittance: 40.27% and the transverse distance between the through holes (3) is 3mm, the vertical distance between the through holes (3) is 1.3mm, good light transmittance can be realized through single-pass pasting, and the combination of patterns is matched, so that the effective transparent decorative effect is realized, and the usability, practicality and effectiveness are improved.
2. The glue curing layer is combined with the adhesive, so that good punching is facilitated when punching is performed, the holes are not easy to deform, meanwhile, the bonding effect of the product in bonding use is achieved, and the product bonding quality is improved.
3. The transparent white mineral oil layer is arranged, so that the printed pattern is brighter, a good protection effect is realized on the surface of the pattern and the through hole, and the through hole is further prevented from deforming.
4. The conveyer belt is adopted to rapidly pass through the freezing cabinet, the punching die and the heating box for freezing, punching and heating, so that the good punching process is further realized, the good light transmittance of the through hole is realized, and the through hole is prevented from being deformed.
The single-permeation patch provided by the invention has the advantages that the preparation process is simple, the prepared product has no deformation of holes and no fuzz at the edges of the holes, and the shrinkage rate can be realized: 1-2%; release force: less than or equal to 20g/25mm; holding force: > 1440min; color development by painting: the spray painting is uniform and bright in color, and is free from white exposure, ink retention and whitening; annular primary adhesion: > = 3N/25mm x 25mm.
The invention has simple and practical structure, uniform through holes and proper intervals, can realize good light transmittance by single transparent paste after use, and can realize effective transparent decorative effect by combining patterns, thereby effectively improving the decorative effect, usability, practicability and effect.
Drawings
FIG. 1 is a schematic view of a single-pass patch;
FIG. 2 is a diagram of via layout;
FIG. 3 is a schematic view of a needle structure;
FIG. 4 is a flow chart of the processing technique of the invention.
In the figure: 1-printing layer, 2-release layer, 3-through hole, 12-glue layer, 13-white mineral oil layer and 14-77241B glue solidified layer.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1 to 4, a single-pass patch includes a printing layer 1 and a release layer 2, wherein the printing layer 1 is provided with a plurality of through holes 3, and the apertures of the through holes 3 are as follows: diameter is 1.0mm, light transmittance: 40.27, the transverse distance between the through holes 3 is 3mm, the vertical distance between the through holes 3 is 1.3mm, the through holes are uniform and have proper intervals, after the use, the single transparent paste can realize good light transmittance, and the combination of the patterns can realize the effective transparent decorative effect, and improve the usability, the practicability and the effectiveness.
The printing layer 1 is a PVC film layer printing layer.
The upper part of the printing layer 1 is provided with a white mineral oil layer 13, the lower part is provided with a glue layer 12, and a layer of transparent white mineral oil is arranged, so that the printed pattern is brighter, good protection effect is realized on the surface of the pattern and the through hole, and the through hole is further prevented from deforming.
The bottom of the adhesive layer 12 contains a 77241B glue curing layer, the curing rate is 40%, and the adhesive layer is combined with the glue, so that good punching is facilitated during punching, the holes are not easy to deform, the bonding effect of the product during bonding is achieved, and the product bonding quality is improved.
The preparation process of the single-permeation patch is characterized by comprising the following steps of:
s1, preparing a required PVC film, a collagen material, release paper, printing ink and white mineral oil;
s2, printing the required pattern on the outer surface of the PVC film through a printer to form a semi-finished product A;
s3, preparing a pressure-sensitive adhesive;
s4, covering and combining the semi-finished product A with the prepared pressure-sensitive adhesive, glue and release paper by using a coating machine to form a semi-finished product B, so that the semi-finished product B forms a PVC printing layer, a glue curing layer and a release layer, and placing the semi-finished product B for drying and trimming after covering and combining;
s5, placing the cut edge of the semi-finished product B for 96 hours, and then punching, wherein the step of punching comprises the following steps:
1) Selecting a needle head with the diameter of 1.0mm, and punching the total length of the needle: 40mm, length of the punch pin which can be ground: 15mm; a punching die with a transverse distance of 3mm and a vertical distance of 1.3mm;
2) Coating a layer of white mineral oil on the surface of a semi-finished product B placed for 96 hours by adopting a roller before punching to form a semi-finished product C, then rapidly cooling the semi-finished product C in a freezer at-15 ℃, and rapidly punching by adopting a punching die to form a finished product D;
3) Putting the product into a heating box for heating after punching, and softening the surface of the finished product D;
s6, rewinding by a rewinder after passing through the heating roller.
In the step S5, the semi-finished product B rapidly passes through a freezer, a punching die and a heating box to be frozen, punched and heated by a movable conveyer belt.
The temperature of the warming box in the step S5 is 80 ℃.
8 rows of inclined rows are adopted for the punching die, 4300 punching pins are adopted for the punching die, and the horizontal distance between the pins is 3mm, and the vertical distance is 1.3mm.
The moving speed of the punching die through the freezer is 15 m/min.
The speed of the heated box is 50 m/min.
The conveyer belt is adopted to rapidly pass through the freezing cabinet, the punching die and the heating box for freezing, punching and heating, so that the good punching process is further realized, the good light transmittance of the through hole is realized, and the through hole is prevented from being deformed.
The single-permeation patch provided by the invention has the advantages that the preparation process is simple, the prepared product has no deformation of holes and no fuzz at the edges of the holes, and the shrinkage rate can be realized: between 1%; release force: less than or equal to 20g/25mm; holding force: > 1440min; color development by painting: the spray painting is uniform and bright in color, and is free from white exposure, ink retention and whitening; annular primary adhesion: > = 3N/25mm x 25mm.
The invention has simple and practical structure, uniform through holes and proper intervals, can realize good light transmittance by single transparent paste after use, and can realize effective transparent decorative effect by combining patterns, thereby effectively improving the decorative effect, usability, practicability and effect.
Example 2
The utility model provides a single subsides that pass through, includes printing layer 1 and release layer 2, and printing layer 1 is provided with several through-hole 3, the aperture of through-hole 3: diameter is 1.0mm, light transmittance: 40.27, the transverse distance between the through holes 3 is 3mm, the vertical distance between the through holes 3 is 1.3mm, the through holes are uniform and have proper intervals, after the use, the single transparent paste can realize good light transmittance, and the combination of the patterns can realize the effective transparent decorative effect, and improve the usability, the practicability and the effectiveness.
The printing layer 1 is a PVC film layer printing layer.
The upper part of the printing layer 1 is provided with a white mineral oil layer 13, the lower part is provided with a glue layer 12, and a layer of transparent white mineral oil is arranged, so that the printed pattern is brighter, good protection effect is realized on the surface of the pattern and the through hole, and the through hole is further prevented from deforming.
The bottom of the adhesive layer 12 contains a 77241B glue curing layer, the curing rate is 40%, and the adhesive layer is combined with the glue, so that good punching is facilitated during punching, the holes are not easy to deform, the bonding effect of the product during bonding is achieved, and the product bonding quality is improved.
The preparation process of the single-permeation patch is characterized by comprising the following steps of:
s1, preparing a required PVC film, a collagen material, release paper, printing ink and white mineral oil;
s2, printing the required pattern on the outer surface of the PVC film through a printer to form a semi-finished product A;
s3, preparing a pressure-sensitive adhesive:
1) The color seed (black or white) is modulated,
2) Firstly, diluting the prepared color seeds with 1.5% -3.5% of diluent;
3) Then pouring acrylic acid pressure-sensitive adhesive into the mixture, mixing and stirring to obtain acrylic acid oily adhesive;
s4, coating the semi-finished product A with release paper through the prepared pressure-sensitive adhesive and glue to form a semi-finished product B,
forming the semi-finished product B into a PVC printing layer, a glue curing layer and a release layer, and placing the semi-finished product B after lamination, drying and trimming;
s5, placing the cut edge of the semi-finished product B for 96 hours, and then punching, wherein the step of punching comprises the following steps:
1) Selecting a needle head with the diameter of 1.0mm, and punching the total length of the needle: 40mm, length of the punch pin which can be ground: 15mm; a punching die with a transverse distance of 3mm and a vertical distance of 1.3mm;
2) Coating a layer of white mineral oil on the surface of a semi-finished product B placed for 96 hours by adopting a roller before punching to form a semi-finished product C, then rapidly cooling the semi-finished product C in a freezer at-5 ℃, and rapidly punching by adopting a punching die to form a finished product D;
3) Putting the product into a heating box for heating after punching, and softening the surface of the finished product D;
s6, rewinding by a rewinder after passing through the heating roller.
In the step S5, the semi-finished product B rapidly passes through a freezer, a punching die and a heating box to be frozen, punched and heated by a movable conveyer belt.
The temperature of the warming box in the step S5 is 85 ℃.
8 rows of inclined rows are adopted for the punching die, 4300 punching pins are adopted for the punching die, and the horizontal distance between the pins is 3mm, and the vertical distance is 1.3mm.
The moving speed of the punching die through the freezer is 20 m/min.
The speed of the heated box is 50 m/min.
The conveyer belt is adopted to rapidly pass through the freezing cabinet, the punching die and the heating box for freezing, punching and heating, so that the good punching process is further realized, the good light transmittance of the through hole is realized, and the through hole is prevented from being deformed.
The single-permeation patch provided by the invention has the advantages that the preparation process is simple, the prepared product has no deformation of holes and no fuzz at the edges of the holes, and the shrinkage rate can be realized: between 2%; release force: less than or equal to 20g/25mm; holding force: > 1440min; color development by painting: the spray painting is uniform and bright in color, and is free from white exposure, ink retention and whitening; annular primary adhesion: > = 3N/25mm x 25mm.
The invention has simple and practical structure, uniform through holes and proper intervals, can realize good light transmittance by single transparent paste after use, and can realize effective transparent decorative effect by combining patterns, thereby effectively improving the decorative effect, usability, practicability and effect.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (6)
1. The preparation process of the single-permeation patch is characterized in that the structure comprises a printing layer (1) and a bonding release layer (2), wherein the printing layer (1) is provided with a plurality of through holes (3), and the aperture of each through hole (3): diameter is 1.0mm, light transmittance: 40.27% and the transverse distance between the through holes (3) is 3mm, and the vertical distance between the through holes (3) is 1.3mm; the printing layer (1) is a PVC film layer printing layer; the upper part of the printing layer (1) is printed with a white mineral oil layer (13), and the lower part is provided with a glue layer (12), and is adhered with the release layer (2) through the glue layer (12); the bottom of the adhesive layer (12) comprises a 77241B glue curing layer (14) with a curing rate of 40%;
the method comprises the following steps:
s1, preparing a required PVC film, a collagen material, release paper, printing ink and white mineral oil;
s2, printing the required pattern on the outer surface of the PVC film through a printer to form a semi-finished product A;
s3, preparing a pressure-sensitive adhesive;
s4, covering and combining the semi-finished product A with the prepared pressure-sensitive adhesive, glue and release paper by using a coating machine to form a semi-finished product B, so that the semi-finished product B forms a PVC printing layer, a glue curing layer and a release layer, and placing the semi-finished product B for drying and trimming after covering and combining;
s5, placing the cut edge of the semi-finished product B for 96 hours, and then punching, wherein the step of punching comprises the following steps:
1) Selecting a needle head with the diameter of 1.0mm, and punching the total length of the needle: 40mm, length of the punch pin which can be ground: 15mm; a punching die with a transverse distance of 3mm and a vertical distance of 1.3mm;
2) Coating a layer of white mineral oil on the surface of a semi-finished product B placed for 96 hours by adopting a roller before punching to form a semi-finished product C, then rapidly cooling the semi-finished product C in a freezer at-5 ℃ to-15 ℃, and rapidly punching by adopting a punching die to form a finished product D;
3) Putting the product into a heating box for heating after punching, and softening the surface of the finished product D;
s6, rewinding by a rewinder after passing through the heating roller.
2. The process for preparing the single-permeation patch according to claim 1, wherein the process comprises the following steps: in the step S5, the semi-finished product B rapidly passes through a freezer, a punching die and a heating box to be frozen, punched and heated by a movable conveyer belt.
3. The process for preparing the single-permeation patch according to claim 1, wherein the process comprises the following steps: the temperature of the heating box in the step S5 is 80-90 ℃.
4. The process for preparing the single-permeation patch according to claim 1, wherein the process comprises the following steps: 8 rows of inclined rows are adopted for the punching die, and 4300 punching pins are adopted.
5. The process for preparing the single-permeation patch according to claim 2, wherein the process comprises the following steps: the moving speed of the punching die through the freezer is 10-20 m/min.
6. The process for preparing the single-permeation patch according to claim 2, wherein the process comprises the following steps: the speed of the heated box is 50 m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313097.4A CN110033720B (en) | 2019-04-18 | 2019-04-18 | Single-permeation patch and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910313097.4A CN110033720B (en) | 2019-04-18 | 2019-04-18 | Single-permeation patch and preparation process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110033720A CN110033720A (en) | 2019-07-19 |
| CN110033720B true CN110033720B (en) | 2024-04-02 |
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| CN201910313097.4A Active CN110033720B (en) | 2019-04-18 | 2019-04-18 | Single-permeation patch and preparation process thereof |
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