Detergent presentation form
The detergent packaging form addresses stability and cost issues by using a water-soluble base and lid film with multiple receiving areas and a perforation for mechanical separation, ensuring stable and easy-to-use packaging.
Patent Information
- Application Number
- PCT/EP2024/080988
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-12-20
- Filing Date
- 2024-11-04
- Publication Date
- 2025-06-26
AI Technical Summary
Existing detergent packaging solutions face challenges in ensuring transport and storage stability while minimizing packaging costs, and maintaining easy dosing for consumers.
A detergent packaging form featuring a water-soluble base film with multiple adjacent receiving areas, a water-soluble lid film, and a perforation between the areas that allows mechanical separation, enhancing stability and ease of use.
The solution provides high transport and storage stability, reduces packaging costs, and maintains simple dosing for consumers, while allowing for customizable detergent formulations.
Smart Images

Figure IMGF000019_0001
Abstract
Description
[0001] Detergent offer form'
[0002] The present invention relates to a detergent packaging. In particular, the application relates to a detergent packaging in which detergent-active substances are encased in a water-soluble film, wherein two adjacent receiving areas for detergent-active substances are separated from each other by a perforation in the water-soluble film.
[0003] The packaging and distribution of detergents and laundry detergents are constantly evolving. For some time now, a key focus has been on convenient dosing of detergents and laundry detergents for consumers and simplifying the steps required for washing or cleaning. One solution is pre-portioned detergents or laundry detergents, for example, foil pouches with one or more compartments for solid or liquid detergents or laundry detergents. From a technical perspective, a key focus is on the development and production of liquid detergents suitable for packaging in water-soluble foil pouches.
[0004] A technical issue that receives particular attention with regard to film pouches for detergents and cleaning products is ensuring the transport and storage stability of these products. The concept of transport and storage stability particularly includes ensuring the physical stability of the film pouches against damage. The classic packaging solutions for film pouches involve loose filling into an outer packaging. Alternatively, although to a much lesser extent, film pouches are arranged in an orderly manner within the outer packaging.
[0005] While the film bags are freely movable in the outer packaging due to the technically determined empty volume in the loose packaging and are exposed to mechanical stress due to this mobility, mobility is ensured in an orderly arrangement in the outer packaging by the use of additional packaging materials, for example additional inserts or dividers.
[0006] Increasing the transport and storage stability of film pouches for detergents or cleaning agents while simultaneously reducing packaging effort is therefore a relevant technical problem for the skilled person in the field of pre-packaged detergents or cleaning agents. At the same time, the measures to increase transport stability should not impair the familiar ease of dosing of the pre-portioned film pouches for consumers. Against the background described above, the underlying problem of the application was to provide a detergent packaging form that is easy to portion and dose, which is characterized by high transport and storage stability while minimizing packaging effort.
[0007] To achieve this object, a detergent packaging form is suitable, comprising a) a water-soluble base film with at least two adjacent receiving areas which are filled with a detergent substance; b) a water-soluble lid film which closes the at least two receiving areas; wherein
[0008] - the adjacent receiving areas are connected to each other by the base film and cover film located between the receiving areas,
[0009] - each of the receiving areas is closed by a sealing seam around the opening of the receiving areas, connecting the base film and the lid film,
[0010] - the sealing seams of the adjacent receiving areas are spaced apart from each other at their spatially closest point by a distance of 2 to 40 mm,
[0011] - there is a perforation between the sealing seams of the adjacent receiving areas, which separates the adjacent receiving areas from each other,
[0012] - the perforation has alternating weakening elements and web elements in its running direction and the weakening elements have a greater spatial extent parallel to the running direction of the perforation than orthogonal to the running direction.
[0013] The detergent dispenser comprises at least two adjacent compartments filled with detergent. The perforation between the compartments allows for mechanical separation of the two compartments. This makes the detergent dispenser suitable, for example, as storage packaging for a number of similar or different, complementary detergent dosing units.
[0014] This suitability of the detergent packaging is increased with an increasing number of receiving areas, which is why preferred detergent packagings comprise at least four, preferably at least eight, particularly preferably at least 16 and in particular at least 32 receiving areas, of which each receiving area is adjacent to at least one further receiving area.
[0015] The arrangement of the receiving areas within the detergent dispenser can vary. In a first preferred embodiment, the detergent dispenser comprises at least four, preferably at least eight, particularly preferably at least 16, and especially at least 32 receiving areas, each of which is adjacent to at least two other receiving areas.
[0016] In a second preferred embodiment, the detergent dispenser comprises at least four, preferably at least eight, particularly preferably at least 16 and in particular at least 32 receiving areas, each receiving area being adjacent to at least three further receiving areas.
[0017] Just as the number of receiving areas and their arrangement can vary, so can the design of the receiving areas. In its simplest form, the receiving area has one receiving chamber. In further preferred embodiments, the receiving areas are characterized by two, three, or four receiving chambers.
[0018] The production of the receiving areas with one, two, or more receiving chambers is preferably carried out by forming a water-soluble base film into a thermoforming die. After they have been filled, the receiving chambers are sealed with the water-soluble lidding film in a subsequent step. Regardless of the process chosen for producing the receiving areas, the sealing seam surrounding the opening of the receiving areas and connecting the base film and the lidding film is preferably formed by heat sealing or solvent sealing. It has been proven that the sealing seams created by these processes withstand the mechanical separation of the receiving areas along the perforation running between them and can prevent leaks when separating the receiving areas.
[0019] The water-soluble base film and the water-soluble lidding film can comprise one or more structurally different water-soluble polymers. Particularly suitable water-soluble polymers are polymers from the group of (optionally acetalized) polyvinyl alcohols (PVAL) and their copolymers.
[0020] Water-soluble films for producing the water-soluble coating are preferably based on a polyvinyl alcohol or a polyvinyl alcohol copolymer whose molecular weight is in the range of 10,000 to 1,000,000 gmol -1 , preferably from 20,000 to 500,000 gmol -1 , particularly preferably from 30,000 to 100,000 gmol -1 and especially from 40,000 to 80,000 gmol -1 lies.
[0021] The production of polyvinyl alcohol and polyvinyl alcohol copolymers generally involves the hydrolysis of intermediate polyvinyl acetate. Preferred polyvinyl alcohols and polyvinyl alcohol copolymers have a degree of hydrolysis of 70 to 100 mol%, preferably 80 to 90 mol%, particularly preferably 81 to 89 mol%, and especially 82 to 88 mol%. Preferred polyvinyl alcohol copolymers comprise, in addition to vinyl alcohol, an ethylenically unsaturated carboxylic acid, its salt, or its ester. Particularly preferably, such polyvinyl alcohol copolymers contain, in addition to vinyl alcohol, sulfonic acids such as 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS), acrylic acid, methacrylic acid, acrylic esters, methacrylic esters, or mixtures thereof; among the esters, C 1-4 alkyl esters or hydroxyalkyl esters are preferred. Other monomers that can be considered are ethylenically unsaturated dicarboxylic acids, for example itaconic acid, maleic acid, fumaric acid and mixtures thereof.
[0022] Suitable water-soluble films for use in the wrappers of the water-soluble packages according to the invention are films sold by MonoSol LLC, for example, under the designation M8630, M8720, M8310, C8400, or M8900. Other suitable films include films designated Solublon® PT, Solublon® GA, Solublon® KC, or Solublon® KL by Aicello Chemical Europe GmbH, or VF-HP films by Kuraray.
[0023] During the production of the receiving areas made of base film and lid film, these two films are subjected to different thermal and mechanical stresses, for example, in a deep-drawing process. Against this background, it has proven advantageous for the water-soluble base film and the water-soluble lid film to have different compositions.
[0024] For the same reason, it is preferred that the water-soluble bottom film and the water-soluble lidding film have different thicknesses. Preferred thicknesses for the water-soluble bottom film and the water-soluble lidding film are in the range of 10 to 100 μm, preferably 30 to 70 μm.
[0025] The water-soluble films may contain additional active ingredients or fillers as well as plasticizers and / or solvents, especially water.
[0026] The group of other active ingredients includes, for example, materials that protect the ingredients enclosed in the film material from decomposition or deactivation by light exposure. Antioxidants, UV absorbers, and fluorescent dyes have proven particularly suitable in this regard.
[0027] Examples of plasticizers that can be used include glycerin, ethylene glycol, diethylene glycol, propanediol, 2-methyl-1,3-propanediol, sorbitol, or mixtures thereof. To reduce the friction coefficient, the surface of the water-soluble film can optionally be dusted with a fine powder. Sodium aluminosilicate, silicon dioxide, talc, and amylose are examples of suitable powdering agents.
[0028] At their spatially closest point, the sealing seams of the adjacent receiving areas are spaced from each other over a distance of 2 to 40 mm, preferably over a distance of 3 to 30 mm, particularly preferably 4 to 25 mm. This distance between adjacent receiving chambers enables simple mechanical separation of the receiving areas, for example by holding the receiving areas with the hand and pulling the receiving areas apart in a direction that is at least partially orthogonal to the perforation separating the two receiving areas. If the distance is too short, it is more difficult to hold the receiving areas. If the distance is too large, mechanical separation is more difficult because, as the distance between the receiving areas increases, increasing proportions of the applied force are directed into the mechanical deformation (stretching) of the base film and lid film located between the receiving areas and not into the separation along the perforation.The simple separation of the receiving areas due to the selected distances also reduces the risk of leaks when separating them.
[0029] The handling of the detergent packaging by a consumer can also be advantageously influenced by the design of the perforation. The perforation running between the sealed seams of the adjacent receiving areas is preferably achieved by squeezing, punching, or cutting, preferably by cutting. Such processes have proven efficient and reliable, particularly when used on thermoplastic films.
[0030] If the film is perforated by cutting processes, it is preferred if the perforation running between the sealing seams of the adjacent receiving areas is obtained by knife cutting or laser cutting.
[0031] To simplify the mechanical separation of the receiving areas, it has proven helpful if the perforation running between the sealing seams of the adjacent receiving areas is arranged at least in part equidistant from these sealing seams, i.e. has the same distance from the receiving areas.
[0032] The perforation located between the receiving areas comprises weakening and web elements. The weakening elements are preferably formed as an opening penetrating the base film and the cover film. Furthermore, it is preferred that the perforation alternates between weakening elements and web elements in its running direction, and that the web elements have a greater spatial extent parallel to the running direction of the perforation than orthogonally to the running direction.
[0033] For the separation of the receiving areas along the perforation, it has further proven advantageous if the weakening elements and the web elements have comparable lengths in the running direction of the perforation. It is particularly preferred that the weakening elements have a greater spatial extent parallel to the running direction of the perforation than the web elements. In this context, detergent packaging forms are preferred in which the ratio of the spatial extent of the weakening elements in the running direction of the perforation to the spatial extent of the web elements in the running direction of the perforation is 1:2 to 8:1, preferably 1:1 to 6:1, preferably 3:2 to 4:1, and in particular 2:1 to 3:1.
[0034] Preferred weakening elements of the perforation have a width parallel to the running direction of 50 to 500 μm, preferably 70 to 350 μm, and in particular 90 to 250 μm. A perforation in the form of a line perforation is particularly preferred.
[0035] A particularly preferred detergent packaging comprises a) a water-soluble base film with at least two adjacent receiving areas which are filled with a detergent substance; b) a water-soluble lid film which closes the at least two receiving areas; wherein
[0036] - the water-soluble base film and the water-soluble lidding film contain at least one water-soluble polymer from the group of (optionally acetalised)
[0037] polyvinyl alcohols (PVAL) and their copolymers and the water-soluble bottom film and the water-soluble cover film have a thickness of 10 to 100 pm, preferably 30 to 70 pm;
[0038] - the adjacent receiving areas are connected to each other by the base film and cover film located between the receiving areas,
[0039] - each of the receiving areas is closed by a sealing seam around the opening of the receiving areas, connecting the base film and the lid film,
[0040] - the sealing seams of the adjacent receiving areas are spaced apart from each other at their spatially closest point by a distance of 2 to 40 mm,
[0041] - a perforation runs between the sealing seams of the adjacent receiving areas, separating the adjacent receiving areas from one another, - the perforation has alternating weakening elements and web elements in its running direction and the weakening elements have a greater spatial extent parallel to the running direction of the perforation than orthogonal to the running direction;
[0042] - wherein the perforation is designed as a line perforation, in which the ratio of the spatial extent of the weakening elements in the running direction of the perforation to the spatial extent of the web elements in the running direction of the perforation is 5:4 to 8:1, preferably 4:3 to 6:1, preferably 3:2 to 4:1 and in particular 2:1 to 3:1.
[0043] As stated above, the detergent packaging is suitable, for example, as storage packaging for a plurality of similar or different, complementary detergent dosage units. The weight of the detergent-active substance contained in a receiving area is preferably 4 to 36 g, particularly preferably 8 to 30 g.
[0044] In a first preferred embodiment, at least two adjacent receiving areas are filled with the same detergent. Such an embodiment is suitable, for example, for constituting a detergent storage pack. The receiving areas can be dimensioned to provide a sufficient amount of detergent for carrying out a machine textile washing process.
[0045] Alternatively, the holding areas can contain fractions of the amount of detergent sufficient for a wash cycle and give the consumer the opportunity to vary the dosage of detergent according to the situation.
[0046] In a modified, equally preferred embodiment, at least two adjacent receiving areas are filled with different detergents. These different detergents can be basic detergent formulations that have been varied only with respect to one or a few of their ingredients. One example is a detergent that is varied by adding different fragrances while maintaining an otherwise identical composition.
[0047] In an alternative embodiment, at least two adjacent receiving areas are filled with substances from different classes of detergent active ingredients. Particularly suitable detergent active ingredient classes for this embodiment are selected from the group of bleaching agents, surfactants, enzymes, cleaning-active polymers, and fragrances. In this embodiment, the adjacent receiving areas do not differ, as previously described, in the type or amount of the active ingredient class they contain, for example in the type or amount of the fragrance they contain. Rather, in this embodiment, the adjacent receiving areas differ in that the active ingredient class contained in one receiving area is not contained in the adjacent receiving area.As a result, this embodiment enables the provision of a modular detergent kit with which a consumer can compile a complete detergent formulation tailored to the specific situation. This embodiment obviously grants the consumer considerable autonomy in compiling the detergent formulation.
[0048] An important means of communicating product quality and effectiveness is its appearance. Particularly in the case of the previously described embodiments with receiving areas filled with different detergents or detergent-active agent classes, it has proven advantageous to visually differentiate the receiving areas from one another. A visual distinguishing feature for adjacent receiving areas is their color, for example, the color of the floor or ceiling film or the color of the detergent substance contained in the receiving area.
[0049] In a preferred embodiment, the base film or the cover film is colored in the area of the receiving areas. It is particularly preferred if adjacent receiving areas with different contents differ in the color of the base film or the cover film.
[0050] A particularly preferred detergent packaging form is characterized in that i) at least two adjacent receiving areas are filled with substances from different classes of detergent active ingredients, and ii) the base film or the cover film are colored differently in the area of the at least two adjacent receiving areas.
[0051] The coloring of the base or cover film is related to its printing. While the coloring of the film generally causes a color change across the entire film material, printing allows the film surface to be modified with letters, symbols, shapes, and patterns. In an alternative and preferred embodiment, the base film or cover film is therefore printed in the area of at least one of the receiving areas. It is particularly preferred if the base film or cover film is printed in the area of the two adjacent receiving areas and the printing differs. Differences in the printing can exist, for example, in the shape or color of the printed image.
[0052] Another particularly preferred detergent packaging is characterized in that i) at least two adjacent receiving areas are filled with substances from different classes of detergent active ingredients, and ii) the base film or the lid film is printed differently in the area of the at least two adjacent receiving areas. Possibilities for optically enhancing the detergent packaging and for optically
[0053] Differentiation of adjacent recording areas continues to offer
[0054] Detergent packaging in which the base film or the lid film is transparent in the area of the receiving areas. Visual differentiation is particularly possible in embodiments in which at least two adjacent receiving areas are filled with substances from different classes of detergent active ingredients that are differently colored.
[0055] An additional particularly preferred detergent packaging form is therefore characterized in that i) at least two adjacent receiving areas are filled with substances from different classes of detergent active ingredients and are colored differently, and ii) the base film or the cover film is transparent in the area of the at least two adjacent areas.
[0056] In addition to advantages in terms of consumer use, the detergent packaging also offers advantages in terms of its packaging, which is necessary for marketing.
[0057] A further subject matter of the claim is a detergent packaging form comprising i) a detergent packaging form according to one of the preceding points; ii) an outer packaging enclosing the detergent packaging form.
[0058] The outer packaging is preferably designed as a folding box. Preferred outer packagings have a flat base whose largest diagonal is greater than the height of the outer packaging. This design of the outer packaging increases its stability and enables easy opening and removal. It is particularly preferred if the outer packaging has a flat base whose largest diagonal is more than twice, preferably more than four times, the height of the outer packaging.
[0059] To achieve the high fill level, it has proven advantageous for the outer packaging to have a square base, preferably a square base, and most preferably a rectangular base. For the same reason, and to improve the stackability of the outer packaging, it is preferred for the outer packaging to have a lid surface that is plane-parallel to the base. Rectangular outer packaging is particularly preferred.
[0060] To increase storage stability, particularly for chemical stabilization of detergent tablets, it has proven advantageous for the outer packaging to be resealable. Suitable closure elements include adhesive, locking, snap-on, or plug-in elements, with adhesive and plug-in elements being particularly preferred. Examples of closure elements include push-in closures or removable adhesive closures.
[0061] For sustainability reasons, biodegradable, recycled, and / or recyclable materials are preferred for the production of the outer packaging. In preferred detergent packaging forms, the outer packaging is made of at least 10 wt.%, preferably at least 60 wt.%, and in particular at least 90 wt.% of a biodegradable material.
[0062] The packaging materials are preferably based on renewable raw materials. Particular preference is given to using packaging materials based on cellulose and recycled paper. The outer packaging is preferably made of at least 10 wt.%, preferably at least 60 wt.%, and especially at least 90 wt.% cellulose or fiber materials, most preferably paper, cardboard, or paperboard.
[0063] In a first preferred embodiment, the outer packaging is made of cardboard. The advantages of cardboard, in addition to its availability and recyclability, lie in the wide variety of available types and weights. Preferred cardboards have a weight of 150 to 400 g / m². 2 on.
[0064] Corrugated cardboard, which has proven to be technically superior to cartonboard in some respects, is used in a particularly preferred embodiment for the production of outer packaging. Corrugated cardboard is characterized by high strength despite its low weight and is a suitable medium for storage and transport, even in large containers.
[0065] Another significant technical advantage of corrugated cardboard in connection with the present invention is its hollow volume. Designing the side walls of the outer packaging with hollow spaces has proven surprisingly advantageous for the physical stability of the detergent packaging.
[0066] A characteristic of preferred outer packaging is the COBB value of the cardboard used for its production in the range below 25 g / m 2 , preferably below 20 g / m 2The COBB value is a value that describes the resistance of paper and cardboard to moisture absorption. A high COBB value means that water penetrates more easily. A low COBB value means that water penetrates the material only with difficulty. The COBB value is determined according to DIN EN ISO 535 below 20 g / m² at 20 °C and standard pressure. Particularly preferred detergent packaging forms are characterized by a cardboard used to manufacture the outer packaging having a COBB value below 25 g / m². 2 , preferably below 20 g / m 2 has.
[0067] Corresponding COBB values can be achieved in various ways. In an alternative embodiment, the outer packaging comprises, for example, a water-insoluble cover film, preferably a polyethylene cover film. Water-insoluble cover films are generally suitable for preventing or at least reducing the ingress of water or water vapor through the outer packaging into the interior of the outer packaging.
[0068] To avoid unnecessary packaging components, water-insoluble cover films are preferably applied only to the outside or inside of the outer packaging. To effectively limit moisture penetration, full-surface coverage is preferred.
[0069] The advantages of fully covering the outside of the outer packaging include improved printability of the outer packaging surface and the prevention of water ingress into the cellulose-based packaging material, which, for example, prevents the formation of surface water stains or swelling of the outer packaging.
[0070] In a particularly preferred embodiment, the outer packaging has a base body made of a biodegradable material, the surface of which is at least partially provided with a water-impermeable barrier layer.
[0071] Despite the technical advantages listed above, it may be preferable for reasons of sustainable production and packaging of the detergent tablets if the outer packaging does not include a water-insoluble cover film.
[0072] Biodegradable hydrophobic coatings or impregnations have proven to be effective alternatives to water-insoluble cover films. Particularly preferred are biodegradable hydrophobic coatings or impregnations comprising a substance from the group of vegetable oils, vegetable or animal waxes, lignin and lignin derivatives, celluloses and cellulose derivatives, and polylactic acid and polylactic acid derivatives.
[0073] The detergent packaging comprises at least two, preferably at least four, more preferably at least eight, particularly preferably at least 16 and in particular at least 32 receiving areas, which are adjacent to at least one further receiving area.
[0074] Unlike conventional packaging forms, the receiving areas are not provided as individual dosing units, but are connected to one another in the preferably flat detergent packaging form by the base film and lid film located between the receiving areas. Due to the relative arrangement of the receiving areas, which is characteristic of the detergent packaging form, the detergent packaging form is suitable for arrangement in layers in the outer packaging. In such an embodiment, each of the layers has at least two receiving areas. The receiving areas of the preferably stacked layers are preferably offset from one another.
[0075] In an alternative embodiment of the detergent packaging form, the detergent packaging form is arranged rolled up in the outer packaging.
[0076] In preferred detergent packaging forms, the outer packaging has a fill level below 90 vol.%, preferably below 85 vol.%1, particularly preferably in the range from 50 to 85 vol.% and in particular from 65 to 85 vol.%.
[0077] Compared to the prior art packaging of detergent dosing units in bulk, the orderly arrangement of the detergent dispensers in layers or rolls at usual fill levels enables an increase in the physical stability of the detergent dispenser and its receiving areas, for example with regard to leaks occurring during packaging and transport.
[0078] This registration provides, among other things, the following items:
[0079] 1. Detergent packaging comprising a) a water-soluble base film with at least two adjacent receiving areas which are filled with a detergent substance; b) a water-soluble lid film which closes the at least two receiving areas; wherein
[0080] - the adjacent receiving areas are connected to each other by the base film and cover film located between the receiving areas,
[0081] - each of the receiving areas is closed by a sealing seam around the opening of the receiving areas, connecting the base film and the lid film,
[0082] - the sealing seams of the adjacent receiving areas are spaced apart from each other at their spatially closest point by a distance of 2 to 40 mm,
[0083] - a perforation runs between the sealing seams of the adjacent receiving areas, separating the adjacent receiving areas from one another, - the perforation has alternating weakening elements and web elements in its running direction and the weakening elements have a greater spatial extent parallel to the running direction of the perforation than orthogonal to the running direction.
[0084] 2. Detergent dispenser according to point 1, wherein the detergent dispenser comprises at least four, preferably at least eight, particularly preferably at least 16 and in particular at least 32 receiving areas, each receiving area being adjacent to at least one further receiving area.
[0085] 3. Detergent dispenser according to point 1, wherein the detergent dispenser comprises at least four, preferably at least eight, particularly preferably at least 16 and in particular at least 32 receiving areas, each receiving area being adjacent to at least two further receiving areas.
[0086] 4. Detergent dispenser according to point 1, wherein the detergent dispenser comprises at least four, preferably at least eight, particularly preferably at least 16 and in particular at least 32 receiving areas, each receiving area being adjacent to at least three further receiving areas.
[0087] 5. Detergent dispenser according to one of the preceding points, wherein the receiving areas have a receiving chamber.
[0088] 6. Detergent dispenser according to one of the preceding points, wherein the receiving areas have two, three or four receiving chambers.
[0089] 7. Detergent packaging according to one of the preceding points, wherein the water-soluble base film comprises at least one water-soluble polymer from the group of (optionally acetalized) polyvinyl alcohols (PVAL) and their copolymers.
[0090] 8. Detergent packaging according to one of the preceding points, wherein the water-soluble lidding film comprises at least one water-soluble polymer from the group of (optionally acetalized) polyvinyl alcohols (PVAL) and their copolymers.
[0091] 9. Detergent packaging according to one of the preceding points, wherein the water-soluble bottom film and the water-soluble lid film have different compositions.
[0092] 10. Detergent packaging according to any one of the preceding points, wherein the water-soluble base film and the water-soluble lidding film have a thickness of 10 to 100 μm, preferably 30 to 70 μm. 11. Detergent packaging according to any one of the preceding points, wherein the water-soluble base film and the water-soluble lidding film have different thicknesses.
[0093] 12. Detergent dispenser according to one of the preceding points, wherein the sealing seam surrounding the opening of the receiving areas and connecting the base film and the lid film is formed by heat sealing or solvent sealing.
[0094] 13. Detergent dispenser according to one of the preceding points, wherein the sealing seams of the adjacent receiving areas are spaced apart from each other at their spatially closest point by a distance of 3 to 30 mm, preferably 4 to 25 mm.
[0095] 14. Detergent dispenser according to one of the preceding points, wherein the perforation running between the sealing seams of the adjacent receiving areas was obtained by squeezing, punching or cutting, preferably by cutting.
[0096] 15. Detergent dispenser according to one of the preceding points, wherein the perforation running between the sealing seams of the adjacent receiving areas was obtained by knife cutting or laser cutting.
[0097] 16. Detergent dispenser according to one of the preceding points, wherein the perforation running between the sealing seams of the adjacent receiving areas is arranged at least in parts of its length equidistant from these sealing seams.
[0098] 17. Detergent packaging according to one of the preceding points, wherein the weakening elements encompassed by the perforation are formed as an opening penetrating the base film and the cover film.
[0099] 18. Detergent packaging according to one of the preceding points, wherein the running direction has alternating weakening elements and web elements and the web elements have a greater spatial extent parallel to the running direction of the perforation than orthogonal to the running direction.
[0100] 19. Detergent dispenser according to one of the preceding points, wherein the weakening elements have a larger spatial extent parallel to the running direction of the perforation than the web elements.
[0101] 20. Detergent packaging according to one of the preceding points, wherein the ratio of the spatial extent of the weakening elements in the running direction of the perforation to the spatial extent of the web elements in the running direction of the perforation is 1:2 to 8:1, preferably 1:1 to 6:1, preferably 3:2 to 4:1 and in particular 2:1 to 3:1.
[0102] 21. Detergent packaging according to one of the preceding points, wherein the weakening elements of the perforation have an extension of 50 to 500 pm, preferably 70 to 350 pm and in particular 90 to 250 pm, parallel to the running direction.
[0103] 22. Detergent packaging according to one of the preceding points, wherein the perforation is designed as a line perforation.
[0104] 23. Detergent dispenser according to one of the preceding points, wherein at least two adjacent receiving areas are filled with the same detergent.
[0105] 24. Detergent dispenser according to one of the preceding points, wherein at least two adjacent receiving areas are filled with different detergents.
[0106] 25. Detergent dispenser according to one of the preceding points, wherein at least two adjacent receiving areas are filled with substances from different classes of detergent active ingredients.
[0107] 26. Detergent packaging according to one of the preceding points, wherein at least two adjacent receiving areas are filled with substances from different classes of detergent active ingredients and the detergent active ingredient class is selected from the group of bleaching agents, surfactants, enzymes, cleaning-active polymers and fragrances.
[0108] 27. Detergent packaging according to one of the preceding points, wherein the detergent-active substance located in a receiving area is sufficient for carrying out a machine textile washing process.
[0109] 28. Detergent presentation form according to one of the preceding points, wherein the amount of detergent substance located in a receiving area has a weight of 4 to 36 g, preferably 8 to 30 g.
[0110] 29. Detergent dispenser according to one of the preceding points, wherein the base film or the lid film is transparent in the area of the receiving areas.
[0111] 30. Detergent dispenser according to one of the preceding points, wherein the base film or the lid film is colored in the area of the receiving areas. 31. Detergent dispenser according to one of the preceding points, wherein at least two adjacent receiving areas are filled with substances from different detergent active ingredient classes, which are differently colored.
[0112] 32. Detergent packaging according to one of the preceding points, wherein iii) at least two adjacent receiving areas are filled with substances from different classes of detergent active ingredients, and iv) the base film or the cover film are differently coloured in the area of the at least two adjacent receiving areas.
[0113] 33. Detergent dispenser according to one of the preceding points, wherein the base film or the lid film is printed in the area of at least one of the receiving areas.
[0114] 34. Detergent packaging according to one of the preceding points, wherein the base film or the lid film is printed in the area of the two adjacent receiving areas and the printings are different.
[0115] 35. A detergent packaging comprising i) a detergent packaging according to any one of the preceding points; ii) an outer packaging enclosing the detergent packaging.
[0116] 36. Detergent packaging according to item 35, wherein the outer packaging is designed as a box, preferably as a folding box.
[0117] 37. Detergent packaging according to one of the preceding points, wherein the outer packaging is made of at least 10 wt.%, preferably at least 60 wt.% and in particular at least 90 wt.% of a biodegradable material.
[0118] 38. Detergent packaging according to one of the preceding points, wherein the outer packaging is made of at least 10 wt.%, preferably at least 60 wt.% and in particular at least 90 wt.% from cellulose or fiber materials, preferably from paper, cardboard or paperboard.
[0119] 39. Detergent packaging according to one of the preceding points, wherein the outer packaging has a base body made of a biodegradable material, the surface of which is at least partially provided with a water-impermeable barrier layer.
[0120] 40. A detergent package according to any one of the preceding points, wherein the detergent package is arranged in layers within the outer packaging. 41. A detergent package according to any one of the preceding points, wherein the detergent package is arranged rolled within the outer packaging.
[0121] 42. Detergent packaging according to one of the preceding points, wherein the outer packaging has a fill level below 90 vol.%, preferably below 85 vol.%, particularly preferably in the range from 50 to 85 vol.% and in particular from 65 to 85 vol.%.
[0122] Examples
[0123] Polyvinyl alcohol films (length 200 mm, width 40 mm, thickness 85 pm) were provided with different perforations halfway across their entire width and subsequently subjected to tensile tests to determine their tear strength.
[0124] During the tensile test, the films were clamped at their ends in opposing clamping jaws. The distance between the clamping jaws, and thus the length of the film freely suspended between the clamping jaws, was 160 mm. The elongation of the film until it broke (as a percentage of the original free film length) and the maximum tensile force applied until it broke (in Newtons) were determined.
[0125] * Ratio of the spatial extent of the weakening elements in the direction of the perforation to the spatial extent of the web elements in the direction of the perforation
[0126] The test data show that the film without perforation only tears under extreme stretching and great force.
[0127] A point perforation can only slightly reduce both the force and the strain until tearing occurs.
[0128] Finally, the use of a line perforation allows the film to be separated along the perforation with little effort and little stretching of the film.
Claims
Patent claims:
1. Detergent packaging comprising a) a water-soluble base film with at least two adjacent receiving areas which are filled with a detergent substance; b) a water-soluble lid film which closes the at least two receiving areas; wherein - the adjacent receiving areas are connected to each other by the base film and cover film located between the receiving areas, - each of the receiving areas is closed by a sealing seam around the opening of the receiving areas, connecting the base film and the lid film, - the sealing seams of the adjacent receiving areas are spaced apart from each other at their spatially closest point by a distance of 2 to 40 mm, - there is a perforation between the sealing seams of the adjacent receiving areas, which separates the adjacent receiving areas from each other, - the perforation has alternating weakening elements and web elements in its running direction and the weakening elements have a greater spatial extent parallel to the running direction of the perforation than orthogonal to the running direction.
2. Detergent dispenser according to claim 1, wherein the sealing seams of the adjacent receiving areas are spaced apart from each other at their spatially closest point by a distance of 3 to 30 mm, preferably 4 to 25 mm.
3. Detergent dispenser according to one of the preceding claims, wherein the perforation extending between the sealing seams of the adjacent receiving areas is arranged at least in parts of its length equidistant from these sealing seams.
4. Detergent packaging according to one of the preceding claims, wherein the weakening elements encompassed by the perforation are formed as an opening penetrating the base film and the cover film.
5. Detergent dispenser according to one of the preceding claims, wherein the running direction has alternating weakening elements and web elements and the web elements have a greater spatial extent parallel to the running direction of the perforation than orthogonal to the running direction.
6. Detergent dispenser according to one of the preceding claims, wherein the weakening elements have a greater spatial extent parallel to the running direction of the perforation than the web elements.
7. Detergent packaging according to one of the preceding claims, wherein the ratio of the spatial extent of the weakening elements in the running direction of the perforation to the spatial extent of the web elements in the running direction of the perforation is 1:2 to 8:1, preferably 1:1 to 6:1, preferably 3:2 to 4:1 and in particular 2:1 to 3:
1.
8. Detergent dispenser according to one of the preceding claims, wherein at least two adjacent receiving areas are filled with substances from different classes of detergent active ingredients.
9. A detergent packaging form comprising i) a detergent packaging form according to any one of the preceding claims; ii) an outer packaging enclosing the detergent packaging form.
10. Detergent packaging according to claim 9, wherein the outer packaging has a fill level below 90 vol.%, preferably below 85 vol.%, particularly preferably in the range from 50 to 85 vol.% and in particular from 65 to 85 vol.%.
Citation Information
Patent Citations
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