CN111218231B - Laser box coating film and preparation method and application thereof - Google Patents
Laser box coating film and preparation method and application thereof Download PDFInfo
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- CN111218231B CN111218231B CN202010021794.5A CN202010021794A CN111218231B CN 111218231 B CN111218231 B CN 111218231B CN 202010021794 A CN202010021794 A CN 202010021794A CN 111218231 B CN111218231 B CN 111218231B
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Classifications
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- 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
- C09J7/29—Laminated 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/14—Printing or colouring
- B32B38/145—Printing
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/402—Coloured
- B32B2307/404—Multi-coloured
-
- 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
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/406—Bright, glossy, shiny surface
-
- 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
- B32B2439/00—Containers; Receptacles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Abstract
The invention provides a laser box coating, which comprises a base film, a laser layer and a colored transparent sheet, wherein the laser layer is positioned on the base film, the colored transparent sheet is attached to the laser layer, the base film is made of a PETG component and a PCTG component, the PETG component is obtained by copolymerizing 1, 4-cyclohexanedimethanol and ethylene glycol, and the molar ratio of the 1, 4-cyclohexanedimethanol to the ethylene glycol in the PETG component is less than or equal to 0.5; the PCTG component is obtained by copolymerizing 1, 4-cyclohexanedimethanol and ethylene glycol, and the molar ratio of the 1, 4-cyclohexanedimethanol to the ethylene glycol in the PCTG component is more than or equal to 0.5. The invention develops the high-brightness laser box envelope after fusing PETG and PCTG into a film and overcomes the defect that a PC film cannot be multicolor, and the invention improves the brightness by sticking a transparent bright sheet (PET sheet) on a laser layer, can be processed into rich colors and overcomes the defect that the traditional plastic box has single color.
Description
Technical Field
The invention belongs to the field of case materials, and particularly relates to a laser case coating film and a preparation method and application thereof.
Background
Common packaging materials include a hard plastic bag and a metal bag, and the bag material of the hard plastic bag is 100% ABS, ABS + PC or 100% PC. Taking PC + ABS as an example, a large PC production line produces PC film substrates with the thickness of more than 0.175 mm; the PC film substrate is delivered to a printing factory for printing, and common ink or metal ink is mostly adopted; and (4) delivering the printed material to a bag factory for hot fitting with ABS, plastic sucking, cutting, fitting installation and the like, and finally delivering.
The surface of the luggage product is generally packaged by adopting a PC film, the PC film is mainly packaged by adopting a printing process, but the printing processing difficulty of the PC film is higher, and the printing of multicolor and more complex patterns is difficult to realize by the existing processing level. However, with the higher and higher quality demands of consumers, it is difficult for such products to meet the demands of customers.
The second type of luggage is made of metal, and the second type of luggage has high selling price in the market and complex processing difficulty and processing technology. And the case with the laser effect does not exist, so that the technical problem to be solved by the technical personnel in the field is urgently needed to provide the laser case which does not affect the absorption plasticity of the plate and has high cost performance.
Therefore, the invention is produced.
Disclosure of Invention
In view of the above, the present invention is to solve the problems of high difficulty in printing and processing pc films on the market, difficulty in forming a colorful effect, and the like, and the present invention firstly provides a laser box envelope, which comprises a base film, a laser layer and a colorful transparent sheet, wherein the laser layer is located on the base film, and the colorful transparent sheet is attached to the laser layer, and is characterized in that: the base film is made of a PETG component and a PCTG component, wherein the PETG component is obtained by copolymerizing terephthalic acid, 1, 4-cyclohexanedimethanol and glycol, and the molar ratio of the 1, 4-cyclohexanedimethanol to the glycol in the PETG component is less than or equal to 0.5; the PCTG component is obtained by copolymerizing terephthalic acid, 1, 4-cyclohexanedimethanol and ethylene glycol, and the molar ratio of the 1, 4-cyclohexanedimethanol to the ethylene glycol in the PCTG component is more than or equal to 0.5.
The beneficial effects of this technical scheme are as follows:
the invention develops the high-brightness laser box envelope after fusing PETG and PCTG into a film and overcomes the defect that a PC film cannot be multicolor, and the invention improves the high brightness by sticking a transparent bright sheet (PET sheet) on a laser layer, can be processed into rich colors and overcomes the defect of single color of the traditional plastic box.
Preferably, the laser box envelope of claim 1, wherein: the laser layer comprises an embossed pattern layer, and the colorful transparent sheet is attached to the embossed pattern layer.
Preferably, the laser box envelope of claim 1, wherein: the PETG component and the PCTG are 20-80 parts by weight: 80-20 parts.
Preferably, the laser box envelope of claim 1, wherein: the PETG component is 20 parts, and the PCTG component is 80 parts.
Preferably, the laser box envelope of claim 1, wherein: the PETG component is 40 parts, and the PCTG component is 60 parts.
Preferably, the laser box envelope of claim 1, wherein: the PETG component is 80 parts, and the PCTG component is 20 parts.
The invention also provides a preparation method of the laser box envelope, which is characterized by comprising the following steps:
1) PETG base layer film production
Granulating, rolling and filming PETG and PCTG raw materials to obtain a base film, wherein the rolling and molding temperature of the base film is 200-250 ℃, the rolling pressure is 2-5 kg, and the thickness of the base film is 0.1-0.5 mm;
2) base film laser coating imprinting
Coating a coating on one side of a base film, drying to form a cured coating, and then stamping a required pattern to form a laser layer, wherein the coating amount is 150-600 g per square meter, the drying temperature is 40-100 ℃, and the stamping temperature is 130 ℃;
3) colour transparent sheet
Sticking a colorful transparent sheet on the laser layer of the base film and then carrying out coining forming again;
4) coating adhesive layer and sticking tearable protective film
And (4) coating an adhesive layer on the sheet and then attaching a tearable protective film.
The beneficial effects of this technical scheme are as follows:
the invention fuses and granulates PETG and PCTG into a base film, and then adds the transparent PET sheet to realize the firm adhesion of the high-brightness laser case envelope on the case surface, so that the adhesion degree is better compared with the traditional PC film, the transparent type is higher, and different laser effects or metal effects are achieved by using different sheets to match with the laser layer.
The invention also provides a laser case, which is characterized in that: the laser case envelope is formed by tearing the tearable protective film, then thermally sticking the tearable protective film on a case plate and carrying out plastic uptake.
The beneficial effects of this technical scheme are as follows:
the case prepared by the invention can achieve colorful and metal effects through the laser layer and the sheet, the base film is formed by fusing and granulating PETG and PCTG, the ductility and the fitting performance are higher, the whole base film can be thinner, more laser effects can be achieved compared with a combination of the sheet and the laser layer of a pc film, and the cost has great advantages compared with a metal case.
Preferably, the temperature of the case board during hot pasting is 30-100 ℃.
Preferably, the covering pressure of the laser box envelope on the box plate after the tearable protective film is torn off is 0.1-1.0 kg.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
Example 1:
granulating and calendering 80 parts of PETG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.5) and 20 parts of PCTG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.6) raw materials to form a base film, wherein the calendering temperature of the base film is 200 ℃, the calendering pressure is 2kg, and the thickness of the base film is 0.1 mm; coating a coating on one side of a base film, drying to form a cured coating, and then impressing a required pattern to form a laser layer, wherein the coating amount is 150g per square meter, the drying temperature is 40 ℃, and the impressing temperature is 130 ℃; sticking a colorful transparent sheet on the laser layer of the base film and then carrying out coining forming again; and (3) coating an adhesive layer on the sheet, sticking a tearable protective film, tearing the tearable protective film, sticking the tearable protective film on the bag plate, and performing blow molding to obtain the bag.
Example 2:
granulating and calendering 40 parts of PETG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.5) and 60 parts of PCTG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.6) raw materials to form a base film, wherein the calendering temperature of the base film is 220 ℃, the calendering pressure is 4kg, and the thickness of the base film is 0.3 mm; coating a coating on one side of a base film, drying to form a cured coating, and then impressing a required pattern to form a laser layer, wherein the coating amount is 300 g/square meter, the drying temperature is 60 ℃, and the impressing temperature is 130 ℃; sticking a colorful transparent sheet on the laser layer of the base film and then carrying out coining forming again; and (3) coating an adhesive layer on the sheet, sticking a tearable protective film, tearing the tearable protective film, sticking the tearable protective film on the bag plate, and performing blow molding to obtain the bag.
Example 3:
60 parts of PETG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.5) and 40 parts of PCTG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.6) are subjected to granulation and calendering to form a film so as to obtain a base film, wherein the calendering temperature of the base film is 250 ℃, the calendering pressure is 5kg, and the thickness of the base film is 0.5 mm; coating a coating on one side of a base film, drying to form a cured coating, and then impressing a required pattern to form a laser layer, wherein the coating amount is 400 g/square meter, the drying temperature is 60100 ℃, and the impressing temperature is 130 ℃; sticking a colorful transparent sheet on the laser layer of the base film and then carrying out coining forming again; and (3) coating an adhesive layer on the sheet, sticking a tearable protective film, tearing the tearable protective film, sticking the tearable protective film on the bag plate, and performing blow molding to obtain the bag.
Example 4:
granulating and calendering 20 parts of PETG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.5) and 80 parts of PCTG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.6) raw materials to form a base film, wherein the calendering temperature of the base film is 250 ℃, the calendering pressure is 5kg, and the thickness of the base film is 0.3 mm; coating a coating on one side of a base film, drying to form a cured coating, and then impressing a required pattern to form a laser layer, wherein the coating amount is 600 g/square meter, the drying temperature is 100 ℃, and the impressing temperature is 130 ℃; sticking a colorful transparent sheet on the laser layer of the base film and then carrying out coining forming again; and (3) coating an adhesive layer on the sheet, sticking a tearable protective film, tearing the tearable protective film, sticking the tearable protective film on the bag plate, and performing blow molding to obtain the bag.
Example 5:
50 parts of PETG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.2) and 80 parts of PCTG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.8) are subjected to granulation and calendering to form a film so as to obtain a base film, wherein the calendering temperature of the base film is 250 ℃, the calendering pressure is 5kg, and the thickness of the base film is 0.3 mm; coating a coating on one side of a base film, drying to form a cured coating, and then impressing a required pattern to form a laser layer, wherein the coating amount is 600 g/square meter, the drying temperature is 100 ℃, and the impressing temperature is 130 ℃; sticking a colorful transparent sheet on the laser layer of the base film and then carrying out coining forming again; and (3) coating an adhesive layer on the sheet, sticking a tearable protective film, tearing the tearable protective film, sticking the tearable protective film on the bag plate, and performing blow molding to obtain the bag.
Example 6:
granulating and calendering 30 parts of PETG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.3) and 70 parts of PCTG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.7) raw materials into a film to obtain a base film, wherein the calendering temperature of the base film is 200 ℃, the calendering pressure is 4kg, and the thickness of the base film is 0.4 mm; coating a coating on one side of a base film, drying to form a cured coating, and then stamping a required pattern to form a laser layer, wherein the coating amount is 400 g/square meter, the drying temperature is 100 ℃, and the stamping temperature is 130 ℃; sticking a colorful transparent sheet on the laser layer of the base film and then carrying out coining forming again; and (3) coating an adhesive layer on the sheet, sticking a tearable protective film, tearing the tearable protective film, sticking the tearable protective film on the bag plate, and performing blow molding to obtain the bag.
Example 7:
70 parts of PETG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.5) and 30 parts of PCTG (the molar ratio of 1, 4-cyclohexanedimethanol to ethylene glycol is equal to 0.6) are subjected to granulation and calendering to form a film so as to obtain a base film, wherein the calendering temperature of the base film is 250 ℃, the calendering pressure is 5kg, and the thickness of the base film is 0.5 mm; coating a coating on one side of a base film, drying to form a cured coating, and then stamping a required pattern to form a laser layer, wherein the coating amount is 400 g/square meter, the drying temperature is 100 ℃, and the stamping temperature is 130 ℃; sticking a colorful transparent sheet on the laser layer of the base film and then carrying out coining forming again; and (3) coating an adhesive layer on the sheet, sticking a tearable protective film, tearing the tearable protective film, sticking the tearable protective film on the bag plate, and performing blow molding to obtain the bag.
The invention develops the high-brightness laser box envelope after fusing PETG and PCTG into a film and overcomes the defect that a PC film cannot be multicolor, and the invention improves the high brightness by sticking the transparent bright sheet (PET sheet) on the laser layer, can be processed into rich colors, overcomes the defect of single color of the traditional plastic box, achieves different laser effects or metal effects by matching different sheets with the laser layer, has simple and easy operation manufacturing method, easily achieves the process conditions compared with the metal box, and has great advantages compared with the PC film box and the metal box.
Many modifications may be made by one of ordinary skill in the art in light of the above teachings. Therefore, it is intended that the invention not be limited to the particular details of the embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The laser box coating is characterized by comprising a base film, a laser layer and a colored transparent sheet, wherein the laser layer is positioned on the base film, the colored transparent sheet is attached to the laser layer, the base film is made of a PETG component and a PCTG component, and the PETG component is composed of terephthalic acid, sodium benzoate and potassium benzoate,
1, 4-cyclohexanedimethanol and glycol, wherein the molar ratio of the 1, 4-cyclohexanedimethanol to the glycol in the PETG component is less than 0.5; the PCTG component is obtained by copolymerizing terephthalic acid, 1, 4-cyclohexanedimethanol and ethylene glycol, and the molar ratio of the 1, 4-cyclohexanedimethanol to the ethylene glycol in the PCTG component is more than or equal to 0.5.
2. The laser box envelope of claim 1, wherein: the laser layer comprises an embossed pattern layer, and the colorful transparent sheet is attached to the embossed pattern layer.
3. The laser box envelope of claim 1, wherein: the PETG component and the PCTG are 20-80 parts by weight: 80-20 parts.
4. The laser box envelope of claim 1, wherein: the PETG component is 20 parts, and the PCTG component is 80 parts.
5. The laser box envelope of claim 1, wherein: the PETG component is 40 parts, and the PCTG component is 60 parts.
6. The laser box envelope of claim 1, wherein: the PETG component is 80 parts, and the PCTG component is 20 parts.
7. The method for preparing the laser box envelope according to any one of claims 1 to 6, comprising the following steps:
1) base film production
Granulating, rolling and filming PETG and PCTG raw materials to obtain a base film, wherein the rolling and molding temperature of the base film is 200-250 ℃, the rolling pressure is 2-5 kg, and the thickness of the base film is 0.1-0.5 mm;
2) base film laser coating imprinting
Coating a coating on one side of a base film, drying to form a cured coating, and then impressing a required pattern to form a laser layer, wherein the coating amount is 150-600 g per square meter, the drying temperature is 40-100 ℃, and the impressing temperature is 130 ℃;
3) colour transparent sheet
Sticking a colorful transparent sheet on the laser layer of the base film and then carrying out coining forming again;
4) coating adhesive layer and sticking tearable protective film
And (4) coating an adhesive layer on the sheet and then attaching a tearable protective film.
8. A laser case and bag, its characterized in that: the laser case envelope prepared by the preparation method of the laser case envelope in claim 7 is hot-pasted on a case plate after the tearable protective film is torn off, and the laser case is formed by plastic uptake.
9. The laser luggage of claim 8, wherein the temperature of the luggage sheet when heat-bonded is 30-100 ℃.
10. The laser case of claim 8, wherein the coating of the laser case has a pressure of 0.1-1.0 kg when the laser case is heat bonded to the case sheet after the tear-off protective film is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010021794.5A CN111218231B (en) | 2020-01-09 | 2020-01-09 | Laser box coating film and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010021794.5A CN111218231B (en) | 2020-01-09 | 2020-01-09 | Laser box coating film and preparation method and application thereof |
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| Publication Number | Publication Date |
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| CN111218231A CN111218231A (en) | 2020-06-02 |
| CN111218231B true CN111218231B (en) | 2022-03-22 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202934880U (en) * | 2012-08-13 | 2013-05-15 | 广东万事杰塑料科技有限公司 | Multilayer composite film, multilayer composite plate, helmet and suitcase |
| CN104553192A (en) * | 2014-12-30 | 2015-04-29 | 江苏瀚阳新材料科技有限公司 | High-brightness laser bag film, highlight laser bag and manufacturing methods thereof |
| CN205658436U (en) * | 2016-05-23 | 2016-10-26 | 晋江市慧创专业化设计服务有限公司 | Protection radiant effect's playshoes |
| CN109735252A (en) * | 2019-01-31 | 2019-05-10 | 开平市齐裕胶粘制品科技有限公司 | A kind of BOPP laser anti-counterfeiting glazing tacky film and preparation method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6761958B2 (en) * | 2001-09-06 | 2004-07-13 | Toray Plastics (America), Inc. | Embossable thermoplastic polyester film and method for producing the film |
-
2020
- 2020-01-09 CN CN202010021794.5A patent/CN111218231B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202934880U (en) * | 2012-08-13 | 2013-05-15 | 广东万事杰塑料科技有限公司 | Multilayer composite film, multilayer composite plate, helmet and suitcase |
| CN104553192A (en) * | 2014-12-30 | 2015-04-29 | 江苏瀚阳新材料科技有限公司 | High-brightness laser bag film, highlight laser bag and manufacturing methods thereof |
| CN205658436U (en) * | 2016-05-23 | 2016-10-26 | 晋江市慧创专业化设计服务有限公司 | Protection radiant effect's playshoes |
| CN109735252A (en) * | 2019-01-31 | 2019-05-10 | 开平市齐裕胶粘制品科技有限公司 | A kind of BOPP laser anti-counterfeiting glazing tacky film and preparation method thereof |
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| CN111218231A (en) | 2020-06-02 |
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