CN107813625A - A kind of anti-sticking transfer film and preparation method thereof - Google Patents
A kind of anti-sticking transfer film and preparation method thereof Download PDFInfo
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- CN107813625A CN107813625A CN201710960318.8A CN201710960318A CN107813625A CN 107813625 A CN107813625 A CN 107813625A CN 201710960318 A CN201710960318 A CN 201710960318A CN 107813625 A CN107813625 A CN 107813625A
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- 238000002360 preparation method Methods 0.000 title claims description 16
- 239000011248 coating agent Substances 0.000 claims abstract description 33
- 238000000576 coating method Methods 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 29
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229920002799 BoPET Polymers 0.000 claims abstract description 20
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 18
- 239000011347 resin Substances 0.000 claims abstract description 18
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims 2
- 229920006387 Vinylite Polymers 0.000 claims 2
- 229920000180 alkyd Polymers 0.000 claims 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 238000007334 copolymerization reaction Methods 0.000 claims 1
- 238000005034 decoration Methods 0.000 claims 1
- 230000002045 lasting effect Effects 0.000 claims 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- 230000000181 anti-adherent effect Effects 0.000 abstract description 37
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 abstract description 14
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract description 10
- 229920002554 vinyl polymer Polymers 0.000 abstract description 10
- 239000004698 Polyethylene Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 229920000573 polyethylene Polymers 0.000 abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 4
- 239000003292 glue Substances 0.000 abstract description 3
- 238000003756 stirring Methods 0.000 description 11
- BNCADMBVWNPPIZ-UHFFFAOYSA-N 2-n,2-n,4-n,4-n,6-n,6-n-hexakis(methoxymethyl)-1,3,5-triazine-2,4,6-triamine Chemical compound COCN(COC)C1=NC(N(COC)COC)=NC(N(COC)COC)=N1 BNCADMBVWNPPIZ-UHFFFAOYSA-N 0.000 description 7
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 6
- 238000007756 gravure coating Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 238000007171 acid catalysis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
Classifications
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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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Abstract
一种防粘热转印膜，其包括载体PET膜和位于所述载体PET膜背面的防粘涂层，所述防粘涂层按原料重量百分比计由90～92％的主剂和8～10％的固化剂组成，所述主剂按原料重量份计包括32～64份的甲基异丁基甲酮、5～6.5份的水洗高岭土、7.5～10.5份的可溶解乙烯基树脂、11～13份的丙烯酸改性共聚醇酸、13～17份的异丙醇、1～2份的聚四氟乙烯蜡和0～0.3份的聚乙烯蜡。本发明通过在载体PET膜增设一层防粘涂层同时完善所述防粘涂层中各原料组分及其配比，使得该防粘热转印膜可有效解决其在运输及保存过程中受温差影响出现的返粘现象及当热转印膜表面涂覆一些粘着度较高的胶水而造成膜之间层层粘连的问题。An anti-adhesive thermal transfer film, which comprises a carrier PET film and an anti-adhesive coating located on the back of the carrier PET film, the anti-adhesive coating is composed of 90-92% of the main agent and 8-8% by weight of raw materials. 10% curing agent, the main agent includes 32-64 parts of methyl isobutyl ketone, 5-6.5 parts of water-washed kaolin, 7.5-10.5 parts of soluble vinyl resin, 11-13 parts by weight of raw materials. Acrylic modified co-polyalkyd, 13-17 parts of isopropanol, 1-2 parts of polytetrafluoroethylene wax and 0-0.3 parts of polyethylene wax. In the present invention, by adding a layer of anti-adhesive coating to the carrier PET film and improving the raw material components and their proportions in the anti-adhesive coating, the anti-adhesive thermal transfer film can effectively solve the problem of its transportation and storage process. The phenomenon of sticking back due to the influence of temperature difference and the problem of layer-by-layer adhesion between the films when the surface of the thermal transfer film is coated with some glue with high adhesion.
Description
技术领域technical field
本发明涉及热转印领域，特别涉及一种热转印膜。The invention relates to the field of thermal transfer printing, in particular to a thermal transfer film.
背景技术Background technique
近年来，热转印膜的应用领域日益扩大，而对热转膜技术的要求也越来越高。热转印膜通常由载体PET膜，离型层，保护层，图文层及热熔胶层组成，在转印膜的使用过程中，经常会由于各种问题出现膜的返粘现象，其中包括膜在运输及保存过程中受到温差的影响。另外，由于一些特殊的产品及目前技术上的瓶颈，当使用一些粘着度较高的热熔胶以达到在胶印时有较高的初始附着力从而可取得优秀附着的成品时，常造成膜的返粘现象。In recent years, the application field of thermal transfer film has been expanding day by day, and the requirements for thermal transfer film technology are also getting higher and higher. The thermal transfer film is usually composed of a carrier PET film, a release layer, a protective layer, a graphic layer and a hot melt adhesive layer. During the use of the transfer film, the phenomenon of film back-sticking often occurs due to various problems, among which Including that the film is affected by temperature difference during transportation and storage. In addition, due to some special products and current technical bottlenecks, when some high-adhesion hot-melt adhesives are used to achieve high initial adhesion during offset printing so as to obtain finished products with excellent adhesion, film damage often occurs. back sticking phenomenon.
发明内容Contents of the invention
本发明的目的在于针对上述现有技术的不足，提供一种防粘热转印膜，其解决了在运输及保存过程中受温度等因素影响产生的返粘及使用一些粘着度较高的胶水而造成膜之间层层粘连的问题，同时提供了该防粘热转印膜的制备方法。The purpose of the present invention is to provide a kind of anti-adhesive thermal transfer film for the above-mentioned deficiencies in the prior art, which solves the problem of back-adhesion caused by factors such as temperature during transportation and storage and the use of some glue with high adhesion. However, the problem of layer-by-layer adhesion between films is caused, and at the same time, a preparation method of the anti-adhesive thermal transfer film is provided.
本发明所采取的技术方案是：一种防粘热转印膜，其包括载体PET膜和位于所述载体PET膜背面的防粘涂层，所述防粘涂层按原料重量百分比计由90～92％的主剂和8～10％的固化剂组成，所述主剂按原料重量份计包括32～64份的甲基异丁基甲酮、5～6.5份的水洗高岭土、7.5～10.5份的可溶解乙烯基树脂、11～13份的丙烯酸改性共聚醇酸、13～17份的异丙醇、1～2份的聚四氟乙烯蜡和0～0.3份的聚乙烯蜡。The technical solution adopted by the present invention is: a kind of anti-adhesive thermal transfer film, which comprises a carrier PET film and an anti-adhesive coating positioned on the back side of the carrier PET film, the anti-adhesive coating consists of 90% by weight of raw materials ～92% of main agent and 8～10% of curing agent, the main agent includes 32～64 parts of methyl isobutyl ketone, 5～6.5 parts of washed kaolin, 7.5～10.5 parts of It can dissolve vinyl resin, 11-13 parts of acrylic modified co-polyalkyd, 13-17 parts of isopropanol, 1-2 parts of polytetrafluoroethylene wax and 0-0.3 parts of polyethylene wax.
本发明的主剂不仅能提供与PET膜有优秀的附着力，与膜不脱离，其中，填料及聚四氟乙烯蜡、聚乙烯蜡后，使涂布后表面干爽、平整，同时还起到防反粘作用。The main agent of the present invention can not only provide excellent adhesion to the PET film, but not separate from the film. Among them, after the filler, polytetrafluoroethylene wax and polyethylene wax, the surface after coating is dry and smooth, and it also plays a role Anti-stick effect.
作为上述方案的进一步改进，所述固化剂由六甲氧基甲基三聚氰胺树脂和甲基苯磺酸催化剂复合而成。将本发明的固化剂加入到主剂中，起到与主剂快速交联的作用，使其表面具备耐溶剂，耐刮等一定的性能。其中，六甲氧基甲基三聚氰胺树脂提高硬度同时也能获得比较好的柔韧性和成型性，但因六甲氧基甲基三聚氰胺树脂为高度烷基化，与主剂的树脂反应时需要强酸催化。加入甲基苯磺酸催化剂的目的是用来催化六甲氧基甲基三聚氰胺树脂与主剂的固化交联反应，从而提高稳定性As a further improvement of the above solution, the curing agent is formed by compounding hexamethoxymethylmelamine resin and toluenesulfonic acid catalyst. The curing agent of the present invention is added to the main agent to quickly cross-link with the main agent, so that the surface has certain properties such as solvent resistance and scratch resistance. Among them, the hexamethoxymethylmelamine resin improves the hardness and can also obtain relatively good flexibility and formability, but because the hexamethoxymethylmelamine resin is highly alkylated, it needs strong acid catalysis when reacting with the resin of the main agent. The purpose of adding toluenesulfonic acid catalyst is to catalyze the curing and crosslinking reaction between hexamethoxymethylmelamine resin and main agent, thereby improving the stability
一种如上所述的防粘热转印膜的制备方法，其包括按原料重量百分比将主剂与固化剂混合后加入甲基异丁基甲酮稀释至察恩3#杯粘度为32～38s，得防粘涂料，使用凹版涂布将防粘涂料涂覆于载体PET膜背面，控制其涂布干重为2～5g/m2。A method for preparing the anti-sticking thermal transfer film as described above, which comprises mixing the main agent and the curing agent according to the weight percentage of the raw materials, adding methyl isobutyl ketone and diluting until the viscosity of Zahn 3# cup is 32-38s, and obtaining Anti-adhesive coating, the anti-adhesive coating is coated on the back of the carrier PET film by gravure coating, and the dry weight of the coating is controlled to be 2-5 g/m 2 .
作为上述方案的进一步改进，所述主剂的制备方法如下：As a further improvement of the above scheme, the preparation method of the main agent is as follows:
1)将30～60份的甲基异丁基甲酮、5～6.5份的水洗高岭土和0.5～1.5份的可溶解乙烯基树脂加入到反应容器中，控制温度在70～80℃之间，混合搅拌均匀至物料粒径为25～30μm；1) Add 30-60 parts of methyl isobutyl ketone, 5-6.5 parts of water-washed kaolin and 0.5-1.5 parts of soluble vinyl resin into the reaction vessel, control the temperature between 70-80 ° C, mix and stir Uniform until the particle size of the material is 25-30 μm;
2)往步骤1)所得物料中依次加入7～9份的可溶解乙烯基树脂、11～13份的丙烯酸改性共聚醇酸和11～13份的异丙醇，持续混合搅拌；2) Add 7 to 9 parts of soluble vinyl resin, 11 to 13 parts of acrylic modified copolyalkyd and 11 to 13 parts of isopropanol to the material obtained in step 1), and continue to mix and stir;
3)将反应容器温度降至48℃以下，加入1～2份的聚四氟乙烯蜡和0～0.3份聚乙烯蜡，再加入6～8份的甲基异丁基甲酮和2～4份的异丙醇，慢速搅拌30min，经50μm过滤器过滤，得主剂。3) Lower the temperature of the reaction vessel below 48°C, add 1-2 parts of polytetrafluoroethylene wax and 0-0.3 parts of polyethylene wax, then add 6-8 parts of methyl isobutyl ketone and 2-4 parts of Isopropanol, stirred slowly for 30min, filtered through a 50μm filter to obtain the main agent.
作为上述方案的进一步改进，该防粘热转印膜的制备方法还包括在载体PET膜表面依次涂布离型层、保护层、装饰图案层和粘合层。As a further improvement of the above solution, the preparation method of the release thermal transfer film further includes sequentially coating a release layer, a protective layer, a decorative pattern layer and an adhesive layer on the surface of the carrier PET film.
本发明的有益效果是：本发明通过在载体PET膜增设一层防粘涂层同时完善所述防粘涂层中各原料组分及其配比，使得该防粘热转印膜可有效解决其在运输及保存过程中受温差影响出现的返粘现象及当热转印膜表面涂覆一些粘着度较高的胶水而造成膜之间层层粘连的问题。The beneficial effects of the present invention are: the present invention adds a layer of anti-adhesive coating on the carrier PET film and simultaneously improves the raw material components and their proportions in the anti-adhesive coating, so that the anti-adhesive thermal transfer film can effectively solve the problem of In the process of transportation and storage, it is affected by the temperature difference, and the phenomenon of sticking back occurs, and when the surface of the heat transfer film is coated with some glue with high adhesion, the problem of layer-by-layer adhesion between the films is caused.
具体实施方式Detailed ways
下面结合实施例对本发明进行具体描述，以便于所属技术领域的人员对本发明的理解。有必要在此特别指出的是，实施例只是用于对本发明做进一步说明，不能理解为对本发明保护范围的限制，所属领域技术熟练人员，根据上述发明内容对本发明作出的非本质性的改进和调整，应仍属于本发明的保护范围。同时下述所提及的原料未详细说明的，均为市售产品；未详细提及的工艺步骤或制备方法为均为本领域技术人员所知晓的工艺步骤或制备方法。The present invention will be specifically described below in conjunction with the embodiments, so that those skilled in the art can understand the present invention. It is necessary to point out here that the embodiments are only used to further illustrate the present invention, and cannot be interpreted as limiting the protection scope of the present invention. Those skilled in the art can make non-essential improvements and improvements to the present invention according to the above-mentioned content of the invention. Adjustment should still belong to the protection scope of the present invention. At the same time, if the raw materials mentioned below are not specified in detail, they are all commercially available products; the process steps or preparation methods not mentioned in detail are all process steps or preparation methods known to those skilled in the art.
实施例1Example 1
防粘热转印膜的防粘涂层中助剂的制备方法：Preparation method of additives in anti-adhesive coating of anti-adhesive thermal transfer film:
1)将50份的甲基异丁基甲酮、6份的水洗高岭土和1份的可溶解乙烯基树脂加入到反应容器中，控制温度在70～80℃之间，混合搅拌均匀至物料粒径为25～30μm；1) Add 50 parts of methyl isobutyl ketone, 6 parts of water-washed kaolin and 1 part of soluble vinyl resin into the reaction vessel, control the temperature between 70 and 80°C, mix and stir evenly until the particle size of the material is 25～30μm;
2)往步骤1)所得物料中依次加入8.5份的可溶解乙烯基树脂、12.4份的丙烯酸改性共聚醇酸和11份的异丙醇，持续混合搅拌；2) Add 8.5 parts of soluble vinyl resin, 12.4 parts of acrylic-modified copolyalkyd and 11 parts of isopropanol to the material obtained in step 1), and continue to mix and stir;
3)将反应容器温度降至48℃以下，加入1.4份的聚四氟乙烯蜡和0.17份聚乙烯蜡，再加入7份的甲基异丁基甲酮和2.5份的异丙醇，慢速搅拌30min，经50μm过滤器过滤，得主剂。3) Lower the temperature of the reaction vessel below 48°C, add 1.4 parts of polytetrafluoroethylene wax and 0.17 parts of polyethylene wax, then add 7 parts of methyl isobutyl ketone and 2.5 parts of isopropanol, and stir slowly for 30 minutes , and filtered through a 50 μm filter to obtain the main agent.
涂覆防粘涂层及制备防粘热转印膜：Application of anti-adhesive coating and preparation of anti-adhesive thermal transfer film:
1)将7份六甲氧基甲基三聚氰胺树脂和4份对甲基苯磺酸催化剂混合均匀作为固化剂加入到100份上述制备得的主剂中，再加入甲基异丁基甲酮稀释至察恩3#杯粘度为33s，得防粘涂料，使用凹版涂布将防粘涂料涂覆于载体PET膜背面，控制其涂布干重为3g/m2；1) Mix 7 parts of hexamethoxymethylmelamine resin and 4 parts of p-toluenesulfonic acid catalyst as curing agent and add to 100 parts of the main agent prepared above, and then add methyl isobutyl ketone to dilute to Zahn 3# cup viscosity is 33s, obtains anti-adhesive coating, uses gravure coating that anti-adhesive coating is coated on the back of carrier PET film, and its coating dry weight is controlled to be 3g/m 2 ;
2)在载体PET膜表面依次涂布离型层、保护层、装饰图案层和粘合层，得实施例1防粘热转印膜。2) A release layer, a protective layer, a decorative pattern layer and an adhesive layer are sequentially coated on the surface of the carrier PET film to obtain the anti-adhesive thermal transfer film of Example 1.
实施例2Example 2
防粘热转印膜的防粘涂层中助剂的制备方法：Preparation method of additives in anti-adhesive coating of anti-adhesive thermal transfer film:
1)将30份的甲基异丁基甲酮、6.5份的水洗高岭土和1.5份的可溶解乙烯基树脂加入到反应容器中，控制温度在70～80℃之间，混合搅拌均匀至物料粒径为25～30μm；1) Add 30 parts of methyl isobutyl ketone, 6.5 parts of water-washed kaolin and 1.5 parts of soluble vinyl resin into the reaction vessel, control the temperature between 70 and 80 ° C, mix and stir evenly until the particle size of the material is 25～30μm;
2)往步骤1)所得物料中依次加入7份的可溶解乙烯基树脂、13份的丙烯酸改性共聚醇酸和12份的异丙醇，持续混合搅拌；2) Add 7 parts of soluble vinyl resin, 13 parts of acrylic modified copolyalkyd and 12 parts of isopropanol to the material obtained in step 1), and continue to mix and stir;
3)将反应容器温度降至48℃以下，加入2份的聚四氟乙烯蜡和0.3份聚乙烯蜡，再加入6份的甲基异丁基甲酮和4份的异丙醇，慢速搅拌30min，得主剂。3) Lower the temperature of the reaction vessel below 48°C, add 2 parts of polytetrafluoroethylene wax and 0.3 parts of polyethylene wax, then add 6 parts of methyl isobutyl ketone and 4 parts of isopropanol, and stir slowly for 30 minutes , winner agent.
涂覆防粘涂层及制备防粘热转印膜：Application of anti-adhesive coating and preparation of anti-adhesive thermal transfer film:
1)将8份六甲氧基甲基三聚氰胺树脂和3份对甲基苯磺酸催化剂混合均匀作为固化剂加入到上述制备得的主剂中，再加入甲基异丁基甲酮稀释至察恩3#杯粘度为38s，得防粘涂料，使用凹版涂布将防粘涂料涂覆于载体PET膜背面，控制其涂布干重为5g/m2；1) Mix 8 parts of hexamethoxymethyl melamine resin and 3 parts of p-toluenesulfonic acid catalyst evenly as a curing agent and add it to the main agent prepared above, and then add methyl isobutyl ketone to dilute to Zahn 3# Cup viscosity is 38s, obtain anti-adhesive coating, use gravure coating that anti-adhesive coating is coated on the back of carrier PET film, control its coating dry weight to be 5g/m 2 ;
2)在载体PET膜表面依次涂布离型层、保护层、装饰图案层和粘合层，得实施例2防粘热转印膜。2) A release layer, a protective layer, a decorative pattern layer and an adhesive layer are sequentially coated on the surface of the carrier PET film to obtain the anti-adhesive thermal transfer film of Example 2.
实施例3Example 3
防粘热转印膜的防粘涂层中助剂的制备方法：Preparation method of additives in anti-adhesive coating of anti-adhesive thermal transfer film:
1)将60份的甲基异丁基甲酮、5份的水洗高岭土和0.5份的可溶解乙烯基树脂加入到反应容器中，控制温度在70～80℃之间，混合搅拌均匀至物料粒径为25～30μm；1) Add 60 parts of methyl isobutyl ketone, 5 parts of water-washed kaolin and 0.5 parts of soluble vinyl resin into the reaction vessel, control the temperature between 70 and 80 ° C, mix and stir until the particle size of the material is 25～30μm;
2)往步骤1)所得物料中依次加入9份的可溶解乙烯基树脂、11份的丙烯酸改性共聚醇酸和11份的异丙醇，持续混合搅拌；2) Add 9 parts of soluble vinyl resin, 11 parts of acrylic-modified copolyalkyd and 11 parts of isopropanol to the material obtained in step 1), and continue mixing and stirring;
3)将反应容器温度降至48℃以下，加入1份的聚四氟乙烯蜡和0.05份聚乙烯蜡，再加入8份的甲基异丁基甲酮和2份的异丙醇，慢速搅拌30min，得主剂。3) Lower the temperature of the reaction vessel below 48°C, add 1 part of polytetrafluoroethylene wax and 0.05 part of polyethylene wax, then add 8 parts of methyl isobutyl ketone and 2 parts of isopropanol, and stir slowly for 30 minutes , winner agent.
涂覆防粘涂层及制备防粘热转印膜：Application of anti-adhesive coating and preparation of anti-adhesive thermal transfer film:
1)将6份六甲氧基甲基三聚氰胺树脂和5份对甲基苯磺酸催化剂混合均匀作为固化剂加入到上述制备得的主剂中，再加入甲基异丁基甲酮稀释至察恩3#杯粘度为36s，得防粘涂料，使用凹版涂布将防粘涂料涂覆于载体PET膜背面，控制其涂布干重为2g/m2；1) Mix 6 parts of hexamethoxymethylmelamine resin and 5 parts of p-toluenesulfonic acid catalyst evenly as a curing agent and add it to the main agent prepared above, and then add methyl isobutyl ketone to dilute to Zahn 3# Cup viscosity is 36s, obtain anti-adhesive coating, use gravure coating anti-adhesive coating to be coated on the back of carrier PET film, control its coating dry weight to be 2g/m 2 ;
2)在载体PET膜表面依次涂布离型层、保护层、装饰图案层和粘合层，得实施例3防粘热转印膜。2) A release layer, a protective layer, a decorative pattern layer, and an adhesive layer are sequentially coated on the surface of the carrier PET film to obtain the anti-adhesive thermal transfer film of Example 3.
上述实施例为本发明的优选实施例，凡与本发明类似的工艺及所作的等效变化，均应属于本发明的保护范畴。The above-mentioned embodiments are preferred embodiments of the present invention, and all processes similar to those of the present invention and equivalent changes should all belong to the protection category of the present invention.
Claims (5)
- A kind of 1. anti-sticking heat transfer film, it is characterised in that：The anti-sticking heat transfer film includes carrier PET film and positioned at the carrier The anti-stick coating at the PET film back side, the anti-stick coating is according to the weight percentage of raw materials by 90~92% host and 8~10% Curing agent forms, the host hexone including 32~64 parts, 5~6.5 parts of washing based on parts by weight of raw materials Kaolin, 7.5~10.5 parts of dissolvable vinylite, 11~13 parts of acrylic acid modified copolymerization alkyd, 13~17 parts Isopropanol, 1~2 part of polytetrafluoroethylwax wax and 0~0.3 part of Tissuemat E.
- A kind of 2. anti-sticking heat transfer film according to claim 1, it is characterised in that：The curing agent is by hexamethoxy methyl Melmac and toluene sulfonic acide catalyst are combined.
- A kind of 3. preparation method of anti-sticking heat transfer film as claimed in claim 1 or 2, it is characterised in that：Including by raw material weight It is 32~38s that addition hexone, which is diluted to and examines grace 3# cups viscosity, after amount percentage mixes host with curing agent, is obtained Release coating, release coating is coated on the carrier PET film back side using intaglio plate coating, it is 2~5g/m to control it to be coated with dry weight2。
- 4. the preparation method of anti-sticking heat transfer film according to claim 3, it is characterised in that the preparation method of its host is such as Under：1) by 30~60 parts of hexone, 5~6.5 parts of water-washed kaoline and 0.5~1.5 part of dissolvable ethene Base resin is added in reaction vessel, and for control temperature between 70~80 DEG C, it is 25~30 μ to be mixed evenly to material particular diameter m；2) toward sequentially add in step 1) resulting material 7~9 parts dissolvable vinylite, 11~13 parts acrylic acid modified Alkyd and 11~13 parts of isopropanol are copolymerized, it is lasting to mix；3) reaction vessel temperature is down to less than 48 DEG C, adds 1~2 part of polytetrafluoroethylwax wax and 0~0.3 part of Tissuemat E, 6~8 parts of hexone and 2~4 parts of isopropanol is added, mixes slowly 30min, is filtered through 50 μm of filters, Obtain host.
- 5. the preparation method of anti-sticking heat transfer film according to claim 3, it is characterised in that：It is additionally included in carrier PET film Surface is coated with release layer, protective layer, decoration layer and adhesive layer successively.
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