Coating material, film with coating, and method for producing the coating material and the film

Abstract

The invention relates to a coating material for application to a film, containing at least one wax, the wax being present in a proportion of at least 20% by weight and a proportion of not more than 60% by weight, and at least one oil, the oil being present in a proportion of at least 10% by weight and a proportion of not more than 40% by weight, wherein the wax or oil present is hydrogenated coco-glyceride, palm oil triglyceride, polyethylene wax, carnauba wax, white mineral oil, microcrystalline paraffin wax, rice bran wax, candelilla wax, sunflower wax, C10-C18 triglycerides, squalane and / or paraffin oil. The coating material also contains at least one dye, the dye present being an acid dye and / or a basic dye, at least one emulsifier, the emulsifier present being from the group of nonionic, anionic, cationic and / or amphoteric emulsifiers, at least one pH regulator and water. The invention further relates to a film with a coating of such a coating material and to a method for producing the coating material and the film.

Description

[0001] N / FABER-138-PCT 28.11.2025

[0002] SL / VE

[0003] 1

[0004] Applicant: Faber-Castell AG

[0005] Nürnberger Str. 2

[0006] 90546 Stein

[0007] DE

[0008] Title: Coating compound, coated film and method for producing the coating compound and the film

[0009] Description

[0010] The invention relates to a coating compound for application to a film, a film with a coating formed by applying the coating compound, and a method for producing the coating compound and the film.

[0011] Stencil foils have long been used to create tattoos. These foils allow a design or drawing to be transferred to the skin as a template, which the tattoo artist then uses to create the actual tattoo. The foils are coated on one of their flat sides. There are two basic methods for transferring the design to the skin. First, the design or drawing can be drawn directly onto the flat side facing away from the coating. The drawing is then transferred by pressure, for example with a pencil, to a piece of paper underneath the foil, called "transfer paper." Alternatively, a design can be printed on a stencil placed on the uncoated side of the foil and then printed using a thermal printer onto transfer paper, which is placed on top of the coated side of the foil.In a thermal printer, the stencil film heats up at the points where the design contains black areas, causing the coating to melt and transfer the design to the transfer paper. N / FABER-138-PCT 28.11.2025.

[0012] SL / VE

[0013] 2

[0014] The transfer paper is then applied to the desired area of ​​the skin using a transfer gel that is applied to the skin and pressed down so that the design or drawing is transferred to the skin.

[0015] The coating of stencil film typically consists of a wax / oil mixture containing water-soluble dyes. Methyl violet (Basic Violet 1, CAS No. 8004-87-3) is particularly suitable for this application because it provides a strong, long-lasting coloration of the skin, is distinct from tattoo inks, and is clearly visible on all skin types. However, with the entry into force of Commission Regulation (EU) 2020 / 2081 of 14 December 2020 concerning substances in tattoo inks or permanent makeup (the "Tattoo Regulation"), this dye can no longer be used, not only for tattoo inks but also for related aids such as stencil film.

[0016] It is therefore an object of the invention to develop a coating for a stencil film that produces a vibrant and long-lasting image on the skin, particularly using one of the methods described above, which is clearly visible on all skin types. Furthermore, the coating should comply with all requirements regarding the ingredients of the Tattoo Ink Regulation EU 2020 / 2081 and Regulation (EC) No 1223 / 2009 of the European Parliament and of the Council of 30 November 2009 on cosmetic products (“Cosmetics Regulation”) and the version of Regulation (EC) No 1223 / 2009 as amended by Commission Regulation (EU) 2024 / 996 of 3 April 2024. In addition, it is an object of the invention to provide a film with such a coating and a method for producing the coating and the film.

[0017] This problem is solved by a coating compound, in particular a liquid coating compound, (or: coating mixture; or: water-in-N / FABER-138-PCT 28.11.2025

[0018] SL / VE

[0019] 3

[0020] Oil emulsion) for application to a film having the features according to claim 1. This contains at least one wax, wherein the wax is present in a proportion of at least 20 wt.% and a proportion of at most 60 wt.% and at least one oil, wherein the oil is present in a proportion of at least 10 wt.% and a proportion of at most 40 wt.%. The wax and / or oil is hydrogenated coco-glyceride (CAS No. 91744-42-2), palm oil triglyceride (CAS No. 73398-61-5), polyethylene wax (CAS No. 9002-88-4), carnauba wax (CAS No. 8015-86-6), white mineral oil (CAS No. 8042-47-5), microcrystalline paraffin wax (Cera Microcristallina) (CAS No. 63231-60-7), rice bran wax (CAS No. 8016-60-2), candelilla wax (CAS No. 8006-44-8), sunflower wax (Helianthus Annuus Seed Wax) (CAS No. 68937-99-5), C10-C18 Contains triglycerides (CAS No. 85665-33-4), squalane (CAS No. 111-01-3) and / or paraffin oil (Paraffinum liquidum) (CAS No. 8042-47-5).These waxes and oils are therefore selected from those permitted in accordance with EU Regulation (EC) No. 1223 / 2009 (including the version amended by Regulation (EU) 2024 / 996) on cosmetic products. Furthermore, the coating mass contains at least one colorant, wherein the colorant is an acid colorant and / or a basic colorant, at least one emulsifier, wherein the emulsifier is from the group of non-ionic, anionic, cationic and / or amphoteric emulsifiers, at least one pH regulator, and water. The colorant and the emulsifier are also selected from the list of colorants and emulsifiers permitted in cosmetic products in accordance with EU Regulation (EC) No. 1223 / 2009 (including the version amended by Regulation (EU) 2024 / 996).

[0021] 1223 / 2009).

[0022] The use of a wax / oil mixture allows for variation of the coating compound's melting point. Furthermore, it optimizes the transfer of the compound from the film to the transfer paper. Wax and oil content ranges that neither exceed nor fall below the aforementioned limits ensure good processability of the N / FABER-138-PCT 28.11.2025.

[0023] SL / VE

[0024] 4

[0025] Coating mass and melting behavior both during the manufacture and subsequent use of the film.

[0026] In an advantageous embodiment, the wax is present in a proportion of at least 25% by weight, preferably at least 30% by weight, and a proportion of at most 50% by weight, preferably a proportion of at most 40% by weight, and / or the oil is present in a proportion of at least 15% by weight, preferably at least 20% by weight, and a proportion of at most 35% by weight, preferably a proportion of at most 30% by weight. The wax (or waxes) is particularly present in a proportion between 25% by weight and 50% by weight, preferably a proportion between 20% by weight and 40% by weight. The oil (or oils) is particularly present in a proportion between 15% by weight and 35% by weight, preferably a proportion between 20% by weight and 30% by weight.

[0027] The colorant preferably used is Acid Red 33 (CI 17200), Acid Red 14 (CI 14720), Food Black 1 (CI 28440), and / or Brilliant Blue FCF / Acid Blue 9 (CI 42090). To achieve a sufficiently intense and long-lasting color transfer to the skin, the at least one colorant is present in a proportion of at least 5% by weight, preferably at least 9% by weight, particularly preferably at least 12% by weight, and a proportion of at most 25% by weight, preferably at most 21% by weight, particularly preferably at most 17% by weight. The colorant is particularly present in a proportion between 5% by weight and 25% by weight, preferably between 9% by weight and 21% by weight, particularly preferably between 12% by weight and 17% by weight.

[0028] In a preferred embodiment, an emulsifier is included that has an HLB value (hydrophilic-lipophilic balance) between 6 and 15, preferably an HLB value between 10 and 12. Such emulsifiers are actually used for oil-in-water emulsions. However, it has surprisingly been shown that these give the best results with regard to the e- N / FABER-138-PCT 28.11.2025

[0029] SL / VE

[0030] 5

[0031] The separation of the water and the contained dye(s) must be achieved. It is essential that the HLB (hydrochloric acid concentration) is chosen so that, on the one hand, the dye(s) dissolve (a high HLB is advantageous for this), and on the other hand, a stable water-in-oil emulsion is formed and the resulting image on the skin is smudge-proof (a low HLB is advantageous for this).

[0032] Suitable emulsifiers in the coating compound may include polyalkylene glycol ethers, fatty acid esters, in particular glyceryl stearate, and / or a polyglycerol-based emulsifier. A diethylene glycol monooleyl ether / oleth-2, available under the trade name Nikkol BO-2V (CAS No. 5274-65-7), is particularly suitable as a polyalkylene glycol ether. A polyglyceryl fatty acid ester with an HLB value of 12, available under the trade name Nikkol Decaglyn 1-SV (CAS No. 79777-30-3), is preferably used as a fatty acid ester. A polyglycerol-based emulsifier with an HLB value of 9–9.5 is available under the trade name Gransurf PG-14 (CAS No. 107615-51-0). It has also proven preferable if it contains at least 5 wt.%, particularly preferably at least 7 wt.% and a proportion of a maximum of 20 wt.%, preferably a maximum of 16 wt.%, particularly preferably a maximum of 12 wt.%.The emulsifier (or emulsifiers) is included in particular in a proportion between 3 wt.% and 20 wt.%, preferably in a proportion between 5 wt.% and 16 wt.%, and most preferably in a proportion between 7 wt.% and 12 wt.%.

[0033] According to an advantageous embodiment, the pH regulator is an alkali, in particular sodium hydroxide (CAS No. 1310-73-2), potassium hydroxide (CAS No. 1310-58-3), or calcium hydroxide (CAS No. 1305-62-0). Preferably, the pH regulator is present in a proportion of at least 0.01 wt.%, more preferably at least 0.03 wt.%, more preferably at least 0.05 wt.%, and / or in a proportion of at most 0.1 wt.%, more preferably at most 0.09 wt.%, more preferably at most 0.08 wt.%. The pH regulator (or pH regulators) is particularly present in a proportion between 0.01 wt.% and 0.1 wt.%, more preferably in a proportion between N / FABER-138-PCT 28.11.2025

[0034] SL / VE

[0035] 6

[0036] The formulation contains 0.03 wt% and 0.09 wt%, particularly preferably a proportion between 0.05 wt% and 0.08 wt%. Surprisingly, it has been found that the image on the skin is more smudge-proof when an alkali, e.g., sodium hydroxide (NaOH), is included in the formulation for pH regulation.

[0037] The remaining portion of the coating compound consists of water, with a maximum proportion of 30 wt.%, in particular a maximum proportion of 20 wt.%, and a minimum proportion of 10 wt.%, in particular a minimum proportion of 15 wt.%, proving suitable. Water is present in a proportion between 10 wt.% and 30 wt.%, preferably between 15 wt.% and 20 wt.%.

[0038] With regard to the film, the problem is solved by a film, in particular a stencil film, having the features according to claim 7. The film has a coating of a coating compound as described above, wherein the coating is formed in particular by applying the coating compound described above to at least one of the two flat sides of the film. The coating compound can be applied to the entire flat side or only partially.

[0039] According to a preferred embodiment, the coating has a layer thickness between 3 and 25µm, preferably a layer thickness between 5 and 20µm, particularly preferably a layer thickness between 8 and 15µm, ideally 10µm.

[0040] The film is in particular a polymer film, preferably a PET film or a PP film.

[0041] In particular, the film has a thickness between 10 and 15 µm, preferably a thickness between 11 and 13 µm. N / FABER-138-PCT 28.11.2025

[0042] SL / VE

[0043] 7

[0044] With regard to the method for producing a coating compound, in particular a liquid coating compound, the problem is solved by a method according to claim 13 for producing a coating compound as described above. The method comprises the following steps:

[0045] a) Melting and homogenizing the at least one wax, in particular melting and homogenizing the at least one wax and the at least one oil at a temperature between 90 and 110°C to produce a melt,

[0046] b) Addition and dissolution of the at least one emulsifier in the melt,

[0047] c) Addition and dispersion of at least one dye in the melt and homogenization of the melt,

[0048] d) Dissolving the at least one pH regulator in hot water, in particular at a temperature between 90 and 99°C, and adding the hot water containing the pH regulator to the melt, e) Mixing and homogenizing the melt to form the coating mass in the form of a water-in-oil emulsion.

[0049] The wax used is selected from a wax authorized under EU Regulation (EC) No 1223 / 2009 (including the version of Regulation (EC) No 1223 / 2009 amended by Regulation (EU) 2024 / 996) on cosmetic products. The colorant used is a colorant from the list of colorants authorized in cosmetic products under EU Regulation (EC) No.

[0050] A colorant selected in accordance with Regulation (EC) No 1223 / 2009 (including the version amended by Regulation (EU) 2024 / 996) is added. An emulsifier selected from an emulsifier authorized in accordance with EU Regulation (EC) No 1223 / 2009 (including the version amended by Regulation (EU) 2024 / 996) on cosmetic products is added. N / FABER-138-PCT 28.11.2025

[0051] SL / VE

[0052] 8

[0053] In particular, an oil selected from an oil approved in accordance with EU Regulation (EC) No 1223 / 2009 (including the version of Regulation (EC) No 1223 / 2009 as amended by Regulation (EU) 2024 / 996) on cosmetic products is added.

[0054] Hydrogenated coco-glyceride (CAS No. 91744-42-2), palm oil triglyceride (CAS No. 73398-61-5), polyethylene wax (CAS No. 9002-88-4), carnauba wax (CAS No. 8015-86-6), white mineral oil (CAS No. 8042-47-5), microcrystalline paraffin wax (CAS No. 63231-60-7), rice bran wax (CAS No. 8016-60-2), candelilla wax (CAS No. 8006-44-8), sunflower seed wax (CAS No. 68937-99-5), C10-C18 Triglycerides (CAS No. 85665-33-4), squa-lan (CAS No. 111-01-3) and / or paraffin oil (Paraffinum liquidum) (CAS No. 8042-47-5) added.

[0055] The wax is added in such a way that the wax is contained in the coating mass in a proportion of at least 20 wt.%, preferably at least 25 wt.%, particularly preferably at least 30 wt.% and in a proportion of at most 60 wt.%, preferably at most 50 wt.%, particularly preferably at most 40 wt.%.

[0056] The oil is added in such a way that the oil is contained in the coating mass with a proportion of at least 10 wt.%, preferably at least 15 wt.%, particularly preferably at least 20 wt.% and a proportion of at most 40 wt.%, preferably at most 35 wt.%, particularly preferably at most 30 wt.%.

[0057] An acid dye and / or a basic dye is added as a colorant, in particular Acid Red 33 (CI 17200), Acid Red 14 (CI 14700), Food Black 1 (CI 28440) and / or Brilliant Blue FCF / Acid Blue 9 (CI 42090).

[0058] In particular, the dye is added such that the dye is present in a proportion of at least 5 wt.%, preferably at least 9 wt.%, N / FABER-138-PCT 28.11.2025

[0059] SL / VE

[0060] 9

[0061] particularly preferably at least 12 wt.% and / or a proportion of a maximum of 25 wt.%, preferably a maximum of 21 wt.%, particularly preferably a maximum of 17 wt.% is contained in the coating mass.

[0062] An emulsifier from the group of non-ionic, anionic, cationic and / or amphoteric emulsifiers, in particular an emulsifier with an HLB value (hydrophilic-lipophilic balance) between 6 and 15, preferably an HLB value between 10 and 12, is added.

[0063] Preferably, a polyalkylene glycol ether, a fatty acid ester, in particular a polyglyceryl fatty acid ester and / or a polyglycerol-based emulsifier is added as an emulsifier, and / or the at least one emulsifier is added in such a proportion of at least 3 wt.%, preferably at least 5 wt.%, particularly preferably at least 7 wt.% and / or a proportion of at most 20 wt.%, preferably at most

[0064] 16 wt.%, particularly preferably a maximum of 12 wt.% is contained in the coating mass.

[0065] An alkali, preferably sodium hydroxide (CAS No. 1310-73-2), potassium hydroxide (CAS No. 1310-58-3) or calcium hydroxide (CAS No. 1305-62-0), is added as a pH regulator.

[0066] Preferably, the pH regulator is added such that it is present in the coating mass in a proportion of at least 0.01 wt.%, preferably at least 0.03 wt.%, particularly preferably at least 0.05 wt.% and / or a maximum proportion of less than 0.1 wt.%, preferably a maximum of 0.09 wt.%, particularly preferably a maximum of 0.08 wt.%.

[0067] Regarding the method for producing a film, the problem is solved by a method according to claim 12 for producing a film as previously described. The method comprises the following steps: N / FABER-138-PCT 28.11.2025

[0068] SL / VE

[0069] 10

[0070] a) Providing a film, in particular a polymer film, preferably a PET film or a PP film, and / or in particular with a thickness between 10 and 15µm, preferably with a thickness between 11 and 13µm,

[0071] b) Producing the coating compound according to a previously described method,

[0072] c) Applying the hot, liquid coating mass to at least one of the two flat sides of the film and forming the coating, in particular such that the coating has a layer thickness between 3 and 25µm, preferably a layer thickness between 5 and 20µm, particularly preferably a layer thickness between 8 and 15µm.

[0073] The hot, liquid coating compound is applied using a film coating system, which is well known to those skilled in the art. In this process, the molten compound is coated onto the film via several metal cylinders and then cooled.

[0074] The coating compound is preferably applied at a coating speed of 100 m / min or more. Surprisingly, it has been found that, although the wax mixture contains water, which could cause the film to stick together when wound, such coating speeds of 100 m / min and more are possible.

[0075] The invention will now be explained in more detail below with reference to exemplary embodiments and a drawing (Fig. 1) showing a film with a coating.

[0076] The film 1 is a polymer film, specifically a PP film, with a thickness of 12 µm. The film 1 has a coating 2, which is formed by applying a coating compound and is located on the lower flat side of the film 1. The coating 2 has an exemplary thickness of 12 µm. A transfer coating is also indicated by dashed lines in Fig. 1. N / FABER-138-PCT 28.11.2025

[0077] SL / VE

[0078] 11

[0079] Paper 3 onto which the design is transferred when using the foil 1 as a stencil foil, either by drawing on the – in Fig. 1 – top side of the foil 1, facing away from the coating 2, or by using a thermal printer.

[0080] The following are three example formulations for a coating compound that can be applied to film 1 to form coating 2. The quantities in the example formulations are given as weight percent and refer to the total mass of the coating compound or coating mixture.

[0081] The following procedure has proven particularly advantageous for producing the coating compound or mixture: First, the wax or wax / oil mixture is melted at approximately 95°C. Then, the emulsifier(s) is added and dissolved in the melt. Subsequently, the dye(s) is / are dispersed in the melt using a rotor-stator mixer. Next, hot water at a temperature of approximately 95°C, in which the pH regulator is dissolved, is added, and the components are further mixed and emulsified with the mixer. It has been shown that this method produces a very homogeneous and finely dispersed water-in-oil (W / O) emulsion as a coating compound. Surprisingly, it has been found that the short time (a few seconds) available for the water to dissolve the wax-insoluble dyes before emulsification is sufficient to achieve a very fine dispersal of the dyes.After mixing, the hot, liquid mixture can be applied to the film 1 using a film coating system, preferably at a coating speed of 100 m / min. N / FABER-138-PCT 28.11.2025 SL / VE.

[0082] 12

[0083] Example recipe 1:

[0084] Hydrogenated Coconut Glyceride (CAS No. 91744-42-2) 31.9 Palm Oil Triglyceride (CAS No. 73398-61-5) 2) 27.8 Nikkol BO-2V (CAS No. 5274-65-7) 3) 10

[0085] Acid Red 33 (CI 117200) 13.2 Demineralized Water (CAS No. 7732-18-5) 17.01 NaOH Beads (CAS No. 1310-73-2) 0.09

[0086]

[0087] Example recipe 2:

[0088] Polyethylene wax (CAS No. 9002-88-4) 4) 38.5 Paraffinum liquidum Ph. Eur. (CAS No. 8042-47-5) 5) 21.2 Gransurf PG-14 (CAS no. 107615-51-0; 33940-99-7) 3) 7.5

[0089] Acid Blue 9 (CI 42090) 6) 8.4

[0090] Food Black 1 (CAS No. 2519-30-4) 6) 7.4 Demineralized water (CAS No. 7732-18-5) 16.92 NaOH beads (CAS No. 1310-73-2) 0.0 ...

[0091]

[0092] Example recipe 3:

[0093] Carnauba wax (CAS No. 8015-86-6) 7) 35.10% by weight Paraffinum liquidum Ph. Eur. (CAS No. 8042-47-5) 5) 23.33% by weight Nikkol Decaglyn 1-SV (CAS No. 79777-30-3) 3) 8.80% by weight Brilliant Blue FCF (Acid Blue 9) (CI 42090) 6) 5.80 wt% Acid Red 33 (CI 17200) 8.80 wt% Demineralized Water (CAS No. 7732-18-5) 18.10 wt% NaOH Beads (CAS No. 1310-73-2) 0.07 wt%

[0094]

[0095] N / FABER-138-PCT 28.11.2025

[0096] SL / VE

[0097] 13

[0098] Manufacturer / Supplier:

[0099] 1) Nordmann, Rassmann GmbH, Kajen 2, 20459 Hamburg

[0100] 2) SysKem Chemie GmbH, Brucknerweg 26, 42289 Wuppertal

[0101] 3) IMCD Deutschland GmbH, Konrad-Adenauer-Ufer 41-45, 50668 Cologne

[0102] 4) TER Chemicals GmbH & Co. KG, Börsenbrücke 2, 20457 Hamburg

[0103] 5) Gustav Heess Company, Mollenbachstraße 29, 72201 Leonberg

[0104] 6) Extrachem GmbH, Huchzermeierstraße 8a, 33611 Bielefeld

[0105] 7) Wax and Ceresin Factories Th. C. Tromm GmbH, Delmenhorster Straße 4, 50735 Cologne

Claims

N / FABER-138-PCT 28.11.2025 SL / VE 14 Patent claims 1. Coating compound for application to a film containing - at least one wax, wherein the wax is present in a proportion of at least 20% by weight and a maximum of 60% by weight, - at least one oil, wherein the oil is present in a proportion of at least 10% by weight and a maximum of 40% by weight, and wherein the wax and / or oil is hydrogenated coco-glyceride (CAS No. 91744-42-2), palm oil triglyceride (CAS No. 73398-61-5), polyethylene wax (CAS No. 9002-88-4), carnauba wax (CAS No. 8015-86-6), white mineral oil (CAS No. 8042-47-5), microcrystalline paraffin wax (CAS No. 63231-60-7), rice bran wax (CAS No. 8016-60-2), candelilla wax (Candelilla Wax) (CAS No. 8006-44-8), Sunflower Wax (Helianthus Annuus Seed Wax) (CAS No. 68937-99-5), C10-C18 Triglycerides (CAS No. 85665-33-4), Squalane (CAS No. 111-01-3) and / or Paraffin Oil (Paraffinum liquidum) (CAS No. 8042-47-5) is contained, - at least one dye, wherein the dye is an acid dye and / or a basic dye, - at least one emulsifier, wherein an emulsifier from the group of non-ionic, anionic, cationic and / or amphoteric emulsifiers is included, - at least one pH regulator and - Water.

2. Coating composition according to one of the preceding claims, wherein the wax is contained in a proportion of at least 25 wt.%, preferably at least 30 wt.%, and in a proportion of at most 50 wt.%, preferably at most 40 wt.%, and / or wherein the oil is contained in a proportion of at least 15 wt.%, preferably at least 20 wt.%, and in a proportion of at most 35 wt.%, preferably at most 30 wt.%. N / FABER-138-PCT 28.11.2025 SL / VE 15 3. Coating compound according to any one of the preceding claims, wherein the colorant Acid Red 33 (CI 17200), Acid Red 14 (CI 14720), Food Black 1 (CI 28440) and / or Brilliant Blue FCF / Acid Blue 9 (CI 42090) is included, and / or wherein the at least one dye is contained in a proportion of at least 5 wt.%, preferably at least 9 wt.%, particularly preferably at least 12 wt.%, and a proportion of at most 25 wt.%, preferably at most 21 wt.%, particularly preferably at most 17 wt.%.

4. Coating compound according to one of the preceding claims, wherein the emulsifier has an HLB value (hydrophilic-lipophilic balance) between 6 and 15, preferably an HLB value between 10 and 12.

5. Coating composition according to any one of the preceding claims, wherein the emulsifier comprises a polyalkylene glycol ether, a fatty acid ester, in particular a polyglyceryl fatty acid ester and / or a polyglycerol-based emulsifier, and / or wherein the at least one emulsifier is included in a proportion of at least 3 wt.%, preferably at least 5 wt.%, particularly preferably at least 7 wt.%, and in a proportion of at most 20 wt.%, preferably at most 16 wt.%, particularly preferably at most 12 wt.%.

6. Coating compound according to one of the preceding claims, wherein an alkali, in particular sodium hydroxide (CAS No. 1), is used as the pH regulator. 1310-73-2), potassium hydroxide (CAS No. 1310-58-3) or calcium hydroxide (CAS No. 1305-62-0), and / or wherein the at least one pH regulator comprises a proportion of at least 0.01 wt.%, preferably at least 0.03 wt.%, particularly preferably at least 0.05 wt.%, and a proportion of at most N / FABER-138-PCT 28.11.2025 SL / VE 16 0.1 wt.%, preferably a maximum of 0.09 wt.%, particularly preferably a maximum of 0.08 wt.%.

7. Film with a coating made of a coating compound according to one of the preceding claims, wherein the coating is formed in particular by applying the coating compound to at least one of the two flat sides of the film.

8. Foil according to claim 7, wherein the coating has a layer thickness between 3 and 25pm, preferably a layer thickness between 5 and 20pm, particularly preferably a layer thickness between 8 and 15pm.

9. Film according to one of claims 7 or 8, wherein the film is a polymer film, preferably a PET film or a PP film.

10. Foil according to any one of claims 7 to 9, wherein the foil has a thickness between 10 and 15pm, preferably a thickness between 11 and 13pm.

11. Method for producing a coating compound according to any one of claims 1 to 6, comprising the following steps: a) Melting and homogenizing the at least one wax, in particular melting and homogenizing the at least one wax and the at least one oil at a temperature between 90 and 110°C to produce a melt, b) Addition and dissolution of the at least one emulsifier in the melt, c) Addition and dispersion of at least one dye and homogenization of the melt, d) Dissolving the at least one pH regulator in hot water, in particular at a temperature between 90 and 99°C, and adding the water containing the pH regulator to the melt, N / FABER-138-PCT 28.11.2025 SL / VE 17 e) Mixing and homogenizing the melt.

12. Method for producing a film according to any one of claims 7 to 10, comprising the following steps: a) Providing a film, in particular a polymer film, preferably a PET film or a PP film, and / or in particular with a thickness between 10 and 15 pm, preferably with a thickness between 11 and 13 pm, b) Producing the coating compound according to a method according to claim 11, c) Applying the coating compound to at least one of the two flat sides of the film and forming the coating, in particular such that the coating has a layer thickness between 3 and 25 pm, preferably a layer thickness between 5 and 20 pm, particularly preferably a layer thickness between 8 and 15 pm.

13. Method according to claim 12, wherein the application of the coating mass is carried out at a coating speed of 100 m / min or more.

Images