CN107813625B - Anti-sticking transfer printing film and preparation method thereof - Google Patents
Anti-sticking transfer printing film and preparation method thereof Download PDFInfo
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- CN107813625B CN107813625B CN201710960318.8A CN201710960318A CN107813625B CN 107813625 B CN107813625 B CN 107813625B CN 201710960318 A CN201710960318 A CN 201710960318A CN 107813625 B CN107813625 B CN 107813625B
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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
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/42—Intermediate, backcoat, or covering layers
- B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Optics & Photonics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Decoration By Transfer Pictures (AREA)
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Abstract
An anti-sticking heat transfer film comprises a carrier PET film and an anti-sticking coating located on the back of the carrier PET film, wherein the anti-sticking coating comprises 90-92% of a main agent and 8-10% of a curing agent according to the weight percentage of raw materials, and the main agent comprises 32-64 parts of methyl isobutyl ketone, 5-6.5 parts of washing kaolin, 7.5-10.5 parts of soluble vinyl resin, 11-13 parts of acrylic acid modified copolymerization alkyd, 13-17 parts of isopropanol, 1-2 parts of polytetrafluoroethylene wax and 0-0.3 part of polyethylene wax according to the weight parts of the raw materials. According to the invention, the anti-sticking coating is additionally arranged on the carrier PET film, and the raw material components and the proportion thereof in the anti-sticking coating are improved, so that the anti-sticking heat transfer film can effectively solve the problems of a back-sticking phenomenon caused by the influence of temperature difference in the transportation and storage processes and layer-by-layer adhesion between films caused by coating glue with higher adhesion degree on the surface of the heat transfer film.
Description
Technical Field
The invention relates to the field of thermal transfer printing, in particular to a thermal transfer printing film.
Background
In recent years, the application field of the thermal transfer film is expanding, and the demand for the thermal transfer film technology is also increasing. The heat-transfer die usually comprises carrier PET membrane, from type layer, protective layer, picture and text layer and hot melt adhesive layer, and in the use of rendition die, often can be because the phenomenon of gluing back of membrane appears in various problems, wherein including the influence that the membrane received the difference in temperature in transportation and save process. In addition, due to the special products and the technical bottlenecks of the prior art, the phenomenon of sticking back of the film often occurs when hot melt adhesives with high adhesiveness are used to achieve high initial adhesion during offset printing and thus to obtain a good adhesion of the finished product.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an anti-sticking heat transfer film, solves the problems of back sticking caused by factors such as temperature and the like in the transportation and storage processes and layer-by-layer adhesion between films caused by using glue with higher adhesion degree, and also provides a preparation method of the anti-sticking heat transfer film.
The technical scheme adopted by the invention is as follows: an anti-sticking heat transfer film comprises a carrier PET film and an anti-sticking coating located on the back of the carrier PET film, wherein the anti-sticking coating comprises 90-92% of a main agent and 8-10% of a curing agent according to the weight percentage of raw materials, and the main agent comprises 32-64 parts of methyl isobutyl ketone, 5-6.5 parts of washing kaolin, 7.5-10.5 parts of soluble vinyl resin, 11-13 parts of acrylic acid modified copolymerization alkyd, 13-17 parts of isopropanol, 1-2 parts of polytetrafluoroethylene wax and 0-0.3 part of polyethylene wax according to the weight parts of the raw materials.
The main agent of the invention not only can provide excellent adhesive force with the PET film and can not be separated from the film, wherein, after the filler, the polytetrafluoroethylene wax and the polyethylene wax are coated, the surface is dry and smooth, and simultaneously, the anti-reverse adhesion effect is also realized.
As a further improvement of the scheme, the curing agent is compounded by hexamethoxy methyl melamine resin and a methyl benzene sulfonic acid catalyst. The curing agent is added into the main agent to play a role in quickly crosslinking with the main agent, so that the surface of the curing agent has certain performances of solvent resistance, scratch resistance and the like. Among them, hexamethoxy methyl melamine resin can improve hardness and obtain better flexibility and formability, but since hexamethoxy methyl melamine resin is highly alkylated, strong acid catalysis is required when reacting with the resin of the main agent. The purpose of adding the methyl benzene sulfonic acid catalyst is to catalyze the curing and crosslinking reaction of the hexamethoxy methyl melamine resin and the main agent, thereby improving the stability
The preparation method of the anti-sticking heat transfer film comprises the steps of mixing the main agent and the curing agent according to the weight percentage of the raw materials, adding the methyl isobutyl ketone to dilute the mixture until the viscosity of the Carne 3 cup is 32-38 s to obtain the anti-sticking coating, coating the anti-sticking coating on the back surface of the carrier PET film by using gravure coating, and controlling the dry coating weight to be 2-5 g/m2。
As a further improvement of the above scheme, the preparation method of the main agent is as follows:
1) adding 30-60 parts of methyl isobutyl ketone, 5-6.5 parts of washing kaolin and 0.5-1.5 parts of soluble vinyl resin into a reaction vessel, controlling the temperature to be 70-80 ℃, and uniformly mixing and stirring until the particle size of the material is 25-30 mu m;
2) adding 7-9 parts of soluble vinyl resin, 11-13 parts of acrylic acid modified copolyol acid and 11-13 parts of isopropanol into the material obtained in the step 1) in sequence, and continuously mixing and stirring;
3) and (2) cooling the temperature of the reaction container to be below 48 ℃, adding 1-2 parts of polytetrafluoroethylene wax and 0-0.3 part of polyethylene wax, adding 6-8 parts of methyl isobutyl ketone and 2-4 parts of isopropanol, slowly stirring for 30min, and filtering by a 50-micron filter to obtain the main agent.
As a further improvement of the above scheme, the preparation method of the anti-sticking heat transfer film further comprises the step of sequentially coating a release layer, a protective layer, a decorative pattern layer and an adhesive layer on the surface of the carrier PET film.
The invention has the beneficial effects that: according to the invention, the anti-sticking coating is additionally arranged on the carrier PET film, and the raw material components and the proportion thereof in the anti-sticking coating are improved, so that the anti-sticking heat transfer film can effectively solve the problems of a back-sticking phenomenon caused by the influence of temperature difference in the transportation and storage processes and layer-by-layer adhesion between films caused by coating glue with higher adhesion degree on the surface of the heat transfer film.
Detailed Description
The present invention is specifically described below with reference to examples in order to facilitate understanding of the present invention by those skilled in the art. It should be particularly noted that the examples are given solely for the purpose of illustration and are not to be construed as limitations on the scope of the invention, as non-essential improvements and modifications to the invention may occur to those skilled in the art, which fall within the scope of the invention as defined by the appended claims. Meanwhile, the raw materials mentioned below are not specified in detail and are all commercial products; the process steps or preparation methods not mentioned in detail are all process steps or preparation methods known to the person skilled in the art.
Example 1
The preparation method of the auxiliary agent in the anti-sticking coating of the anti-sticking heat transfer film comprises the following steps:
1) adding 50 parts of methyl isobutyl ketone, 6 parts of water-washed kaolin and 1 part of soluble vinyl resin into a reaction vessel, controlling the temperature to be 70-80 ℃, and uniformly mixing and stirring until the particle size of the material is 25-30 mu m;
2) adding 8.5 parts of soluble vinyl resin, 12.4 parts of acrylic acid modified copolyol acid and 11 parts of isopropanol into the material obtained in the step 1) in sequence, and continuously mixing and stirring;
3) cooling the temperature of the reaction vessel to below 48 ℃, adding 1.4 parts of polytetrafluoroethylene wax and 0.17 part of polyethylene wax, then adding 7 parts of methyl isobutyl ketone and 2.5 parts of isopropanol, slowly stirring for 30min, and filtering by a 50-micron filter to obtain the main agent.
Coating an anti-sticking coating and preparing an anti-sticking heat transfer film:
1) uniformly mixing 7 parts of hexamethoxy methyl melamine resin and 4 parts of p-toluenesulfonic acid catalyst to serve as a curing agent, adding the curing agent into 100 parts of the prepared main agent, adding methyl isobutyl ketone to dilute until the viscosity of a Carne 3# cup is 33s to obtain an anti-sticking coating, coating the anti-sticking coating on the back surface of a carrier PET (polyethylene terephthalate) film by gravure coating, and controlling the dry coating weight to be 3g/m2；
2) And (3) coating a release layer, a protective layer, a decorative pattern layer and an adhesive layer on the surface of the carrier PET film in sequence to obtain the anti-sticking heat transfer film in the embodiment 1.
Example 2
The preparation method of the auxiliary agent in the anti-sticking coating of the anti-sticking heat transfer film comprises the following steps:
1) adding 30 parts of methyl isobutyl ketone, 6.5 parts of washing kaolin and 1.5 parts of soluble vinyl resin into a reaction vessel, controlling the temperature to be between 70 and 80 ℃, and uniformly mixing and stirring until the particle size of the material is 25 to 30 mu m;
2) adding 7 parts of soluble vinyl resin, 13 parts of acrylic acid modified copolymerization alkyd and 12 parts of isopropanol into the material obtained in the step 1) in sequence, and continuously mixing and stirring;
3) and (3) cooling the temperature of the reaction vessel to below 48 ℃, adding 2 parts of polytetrafluoroethylene wax and 0.3 part of polyethylene wax, then adding 6 parts of methyl isobutyl ketone and 4 parts of isopropanol, and slowly stirring for 30min to obtain the main agent.
Coating an anti-sticking coating and preparing an anti-sticking heat transfer film:
1) 8 parts of hexamethoxy methyl melamine resin and 3 parts of p-toluenesulfonic acid catalyst are uniformly mixed to be used as a curing agent and added into the prepared main agent, then methyl isobutyl ketone is added to dilute the mixture until the viscosity of the Carne 3# cup is 38s to obtain the anti-sticking coating, the anti-sticking coating is coated on the back surface of a carrier PET film by gravure coating, and the dry coating weight is controlled to be 5g/m2；
2) And (3) coating a release layer, a protective layer, a decorative pattern layer and an adhesive layer on the surface of the carrier PET film in sequence to obtain the anti-sticking heat transfer film in the embodiment 2.
Example 3
The preparation method of the auxiliary agent in the anti-sticking coating of the anti-sticking heat transfer film comprises the following steps:
1) adding 60 parts of methyl isobutyl ketone, 5 parts of washing kaolin and 0.5 part of soluble vinyl resin into a reaction vessel, controlling the temperature to be 70-80 ℃, and uniformly mixing and stirring until the particle size of the material is 25-30 mu m;
2) adding 9 parts of soluble vinyl resin, 11 parts of acrylic acid modified copolymerization alkyd and 11 parts of isopropanol into the material obtained in the step 1) in sequence, and continuously mixing and stirring;
3) and (2) cooling the temperature of the reaction vessel to below 48 ℃, adding 1 part of polytetrafluoroethylene wax and 0.05 part of polyethylene wax, then adding 8 parts of methyl isobutyl ketone and 2 parts of isopropanol, and slowly stirring for 30min to obtain the main agent.
Coating an anti-sticking coating and preparing an anti-sticking heat transfer film:
1) uniformly mixing 6 parts of hexamethoxy methyl melamine resin and 5 parts of p-toluenesulfonic acid catalyst to serve as a curing agent, adding the curing agent into the prepared main agent, adding methyl isobutyl ketone to dilute until the viscosity of the Carne 3 cup is 36s to obtain the anti-sticking coating, coating the anti-sticking coating on the back of a carrier PET (polyethylene terephthalate) film by using gravure coating, and controlling the dry coating weight to be 2g/m2；
2) And (3) coating a release layer, a protective layer, a decorative pattern layer and an adhesive layer on the surface of the carrier PET film in sequence to obtain the anti-sticking heat transfer film in the embodiment 3.
The above embodiments are preferred embodiments of the present invention, and all similar processes and equivalent variations to those of the present invention should fall within the scope of the present invention.
Claims (1)
1. An antiseized heat-transfer seal membrane which characterized in that: the anti-sticking heat transfer film comprises a carrier PET film and an anti-sticking coating positioned on the back surface of the carrier PET film, wherein the anti-sticking coating consists of 90-92% of a main agent and 8-10% of a curing agent in percentage by weight of raw materials;
the preparation method of the main agent comprises the following steps: 1) adding 30-60 parts of methyl isobutyl ketone, 5-6.5 parts of washing kaolin and 0.5-1.5 parts of soluble vinyl resin into a reaction vessel, controlling the temperature to be 70-80 ℃, and uniformly mixing and stirring until the particle size of the material is 25-30 mu m; 2) adding 7-9 parts of soluble vinyl resin, 11-13 parts of acrylic acid modified copolyol acid and 11-13 parts of isopropanol into the material obtained in the step 1) in sequence, and continuously mixing and stirring; 3) cooling the temperature of a reaction container to be below 48 ℃, adding 1-2 parts of polytetrafluoroethylene wax and 0-0.3 part of polyethylene wax, adding 6-8 parts of methyl isobutyl ketone and 2-4 parts of isopropanol, slowly stirring for 30min, and filtering by a 50-micron filter to obtain a main agent;
the curing agent is compounded by hexamethoxy methyl melamine resin and a methyl benzene sulfonic acid catalyst;
the preparation method of the anti-sticking heat transfer film comprises the following steps: mixing a main agent and a curing agent according to the weight percentage of the raw materials, adding methyl isobutyl ketone to dilute until the viscosity of a Carne 3 cup is 32-38 s to obtain an anti-sticking coating, coating the anti-sticking coating on the back of a carrier PET (polyethylene terephthalate) film by gravure coating, and controlling the dry coating weight to be 2-5 g/m2(ii) a The method also comprises the step of sequentially coating a release layer, a protective layer, a decorative pattern layer and an adhesive layer on the surface of the carrier PET film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710960318.8A CN107813625B (en) | 2017-10-16 | 2017-10-16 | Anti-sticking transfer printing film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710960318.8A CN107813625B (en) | 2017-10-16 | 2017-10-16 | Anti-sticking transfer printing film and preparation method thereof |
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| CN107813625A CN107813625A (en) | 2018-03-20 |
| CN107813625B true CN107813625B (en) | 2020-01-14 |
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| CN201710960318.8A Active CN107813625B (en) | 2017-10-16 | 2017-10-16 | Anti-sticking transfer printing film and preparation method thereof |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2670116Y (en) * | 2003-12-29 | 2005-01-12 | 汕头市东田转印有限公司 | Transfer applique die (paper) |
| CN2818150Y (en) * | 2005-02-05 | 2006-09-20 | 汕头市东田转印有限公司 | Transprinting membrane |
| CN101007477A (en) * | 2006-01-25 | 2007-08-01 | 优立企业有限公司 | Transfer thin film |
| CN101423722B (en) * | 2007-10-31 | 2011-09-07 | 比亚迪股份有限公司 | Coating composition and preparation method thereof and polypropylene material |
| CN101249768B (en) * | 2008-03-17 | 2011-02-16 | 汕头市新协特种纸科技有限公司 | Thermal transfer printing paper capable of ink-jet printing and preparation method thereof |
| CN101654593B (en) * | 2008-08-18 | 2011-08-31 | 深圳佳德威油漆有限公司 | Method for preparing high-temperature resistant antibacterial non-stick paint |
| CN101417579B (en) * | 2008-12-03 | 2010-12-15 | 中国乐凯胶片集团公司 | Decorating film |
| EP2199357A1 (en) * | 2008-12-22 | 2010-06-23 | 3M Innovative Properties Company | Layered Material Containing Polyvinyl Butyral |
| KR101845354B1 (en) * | 2011-03-02 | 2018-04-05 | 다우 글로벌 테크놀로지스 엘엘씨 | A coating composition and articles made therefrom |
| CN102658742B (en) * | 2012-05-11 | 2014-07-16 | 保定乐凯新材料股份有限公司 | Transfer print type decorative film suitable for cold wave technology |
| CN103421383B (en) * | 2013-08-30 | 2015-05-20 | 东莞市平波电子有限公司 | Touch screen heat curing peelable blue gel and preparing method thereof |
| CN104371386A (en) * | 2014-11-13 | 2015-02-25 | 青岛厚科信息工程有限公司 | Quick-drying paint |
| CN106336769A (en) * | 2016-08-31 | 2017-01-18 | 梁慧娴 | Waterproof and oil-proof non-stick coating |
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Denomination of invention: The invention relates to an anti sticking transfer film and a preparation method thereof Effective date of registration: 20220507 Granted publication date: 20200114 Pledgee: China Co. truction Bank Corp Foshan branch Pledgor: GUANGDONG TIANYUAN HUIBANG NEW MATERIAL CO.,LTD. Registration number: Y2022980005179 |