WO2023057340A1 - Kit de test, utilisation d'un tel kit de test, procédé pour contrôler une énergie de surface, procédé de fabrication d'un kit de test, utilisation d'une lingette et utilisation d'un liquide de test pour contrôler une énergie de surface - Google Patents

Kit de test, utilisation d'un tel kit de test, procédé pour contrôler une énergie de surface, procédé de fabrication d'un kit de test, utilisation d'une lingette et utilisation d'un liquide de test pour contrôler une énergie de surface Download PDF

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Publication number
WO2023057340A1
WO2023057340A1 PCT/EP2022/077340 EP2022077340W WO2023057340A1 WO 2023057340 A1 WO2023057340 A1 WO 2023057340A1 EP 2022077340 W EP2022077340 W EP 2022077340W WO 2023057340 A1 WO2023057340 A1 WO 2023057340A1
Authority
WO
WIPO (PCT)
Prior art keywords
test
cloth
test kit
test liquid
liquid
Prior art date
Application number
PCT/EP2022/077340
Other languages
German (de)
English (en)
Inventor
Fritz Bloss
Sebastian BLOSS
Original Assignee
arcotest GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE102021126094.9A external-priority patent/DE102021126094B4/de
Application filed by arcotest GmbH filed Critical arcotest GmbH
Publication of WO2023057340A1 publication Critical patent/WO2023057340A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
    • G01N13/02—Investigating surface tension of liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0241—Drop counters; Drop formers

Definitions

  • Test kit use of such a test kit, method of testing a surface energy, method of making a test kit, use of a wipe and use of a test liquid to test a surface energy
  • the invention relates to a test kit, a use of such a test kit, a method for testing a surface energy, a method for producing a test kit, a use of a cloth for testing a surface energy and a use of a test liquid for testing a surface energy.
  • Test liquids for testing a surface energy are known in principle. Such test liquids are typically presented in the form of small bottles or vials, often fitted with brushes for applying the test liquid, or in the form of pens or markers, in particular plastic markers. Since the test liquids are used several times in this dosage form, there is a risk of contamination being transferred between different tested surfaces. In addition, a possible wetting width on a surface to be checked is limited by a diameter of the marker or brush and is relatively small. The markers and vials are also relatively awkward to handle and can be improved in particular with regard to wearing comfort on a user's body.
  • the invention is therefore based on the object of creating a test kit, use of such a test kit, a method for testing surface energy, a method for producing a test kit, use of a cloth for testing surface energy and use of a test liquid for testing surface energy ,
  • the disadvantages mentioned are reduced, preferably do not occur.
  • the object is achieved by providing the present technical credit, in particular the credit of the independent claims as well as the preferred embodiments disclosed in the dependent claims and the description.
  • the object is achieved in particular by creating a test kit that has a cloth and a test liquid designed to test a surface energy.
  • the cloth is designed in particular to apply the test liquid to a surface to be tested.
  • the provision of the test liquid in combination with the cloth has the advantage that the test liquid can be applied to the surface to be tested, in particular once, in a simple manner. Contamination between different tested surfaces can advantageously be avoided.
  • the test kit proposed here is very inexpensive, especially compared to the dosage form as a marker or vial.
  • the wipe also allows a high wetting width to be achieved on the surface to be tested, approximately ten times the wetting width that can be achieved with a conventional marker.
  • the cloth can have very small dimensions--particularly when folded--and can therefore be worn comfortably on the body by a user.
  • a cloth is understood to mean, in particular, a ready-made textile fabric.
  • the cloth is in the form of an angular, in particular rectangular, square or triangular ready-made textile fabric.
  • a test liquid is understood to mean in particular a liquid which is suitable, in particular set up and/or designed to test the surface energy of a surface of a body or material to be tested.
  • the test liquid is assigned a specific value for the surface energy.
  • the application and/or mode of operation of such a test liquid can be as follows: To test the surface energy of a surface, the test liquid is preferably applied in the form of a line or stripe to the surface to be tested. If the applied test liquid remains stable on the surface for a predetermined time, for example 2 seconds, the surface energy of the tested surface corresponds to the associated value of the test liquid.
  • the surface energy of the tested surface is lower than the value associated with the test liquid. If the test liquid spreads out on the surface, the surface energy of the tested surface is greater than the value assigned to the test liquid. By preferably If successive test liquids with decreasing or increasing assigned values of the surface energy are used for testing the surface, the surface energy can be determined at least approximately.
  • test liquid of the type addressed here is sometimes also referred to as a test ink, test liquid or test ink.
  • the test liquid is in particular associated with the cloth, in particular in such a way that the test liquid can be used in combination with the cloth to test the surface energy of a surface to be tested.
  • the test liquid and the cloth are provided in the test kit for common use.
  • the test liquid is colored.
  • the test liquid is preferably UV-active, in particular fluorescent.
  • the test liquid is non-toxic, in particular non-toxic, and/or not harmful to health.
  • the cloth has the test liquid at least in certain areas.
  • the cloth is designed as a test cloth which has the test liquid at least in certain areas.
  • the test kit is advantageously particularly easy to use if the cloth already contains the test liquid, so that the user does not have to apply the test liquid to the cloth first.
  • test liquid is arranged separately from the cloth.
  • test liquid is provided for use with the cloth, in particular in that the test kit includes instructions for a user to use the test liquid with the cloth, in particular to apply the test liquid—in particular only in certain areas—to the cloth. If the test liquid is arranged separately from the cloth, this can advantageously increase the durability of the test kit.
  • the cloth is soaked with the test liquid at least in certain areas.
  • the cloth has the test liquid at least in regions, with the cloth being designed in particular as a test cloth.
  • the test kit is the wipe completely, in particular over the entire surface, soaked with the test liquid.
  • the cloth is only partially soaked with the test liquid.
  • the cloth has at least one free area and at least one test area, the cloth being free of the test liquid in the at least one free area and having the test liquid in the at least one test area.
  • this allows a user to grasp the cloth in the free area not soaked with the test liquid and thus to apply the test liquid with the test area to a surface without coming into contact with the test liquid himself.
  • it is advantageously possible in this way to use the free area of the cloth after testing the surface energy in order to remove the test liquid from the tested surface again, in particular to wipe it off. This allows a particularly simple, quick and inexpensive cleaning of the tested surface, which in any case has to be cleaned after the test before it can be used again.
  • the cloth has a particularly textile material that is selected from a group consisting of: a viscose-containing material, particularly a material containing viscose fibers, and a cellulose-containing material, particularly a cellulose Material having fibers.
  • the cloth has a particularly textile material that is selected from a group consisting of: a nonwoven, particularly a random fiber nonwoven, a felt, a knitted fabric, a knitted fabric, a mesh, a woven fabric, and a Paper.
  • the test liquid is designed to determine a surface energy of 18 mN/m to 105 mN/m, preferably 22 mN/m to 72 mN/m, preferably 24 mN/m to 60 mN/m.
  • test liquid has a tolerance of ⁇ 1 mN/m.
  • the test kit in particular the cloth, is designed for single use.
  • the test kit is designed as a disposable item and intended for disposal after a single use.
  • this comprises at least one instruction for the user to use the test kit, in particular the cloth in combination with the test liquid, once, and/or to use the test kit, in particular the cloth in combination with the test liquid, after a single use dispose.
  • the test kit has a closed outer packaging in which the cloth is arranged.
  • the cloth is thus advantageously stored safely and durably until it is used.
  • the test liquid is also arranged in the closed outer packaging.
  • the cloth and the test liquid are advantageously made available together in a simple, safe and durable manner and stored until use.
  • the outer packaging is sealed.
  • the outer packaging is liquid-tight.
  • the outer packaging is gas-tight.
  • the test liquid is advantageously permanently prevented from escaping or evaporating, or a loss rate of test liquid from the outer packaging is at least advantageously reduced.
  • the outer packaging is designed to be tamper-proof.
  • the user has opened the outer packaging beforehand, so that the user can easily determine whether the outer packaging is still unopened or has already been opened. In this way it can be determined in particular whether the test kit has already been used. This is particularly advantageous if the test kit is intended and/or designed for single use.
  • the outer packaging is designed so that it can be opened only once, with damage. With this configuration, it can advantageously be determined with particular certainty whether the outer packaging has already been opened, since in this case it is damaged.
  • the outer packaging is designed as a welded film packaging.
  • the outer packaging consists of two superimposed, enclosing a receiving space, and formed along at least one edge area welded together film layers. The cloth and preferably the test liquid is/are arranged in the receiving space.
  • the outer packaging also has a predetermined opening point, preferably in the form of an incision or multiple incisions, a notch or a perforation, so that the outer packaging can be easily opened by a user—in particular once, damaging the outer packaging.
  • the test kit has information about at least one instruction, wherein the at least one instruction is selected from a group consisting of: an instruction for using the cloth once, an instruction for using the cloth to test the Surface energy of a surface of a solid, an instruction to apply the test liquid - in particular only in certain areas - to the cloth, and an instruction to use a part of the cloth not provided with the test liquid, in particular the free area of the cloth, to remove the test liquid from the tested surface after testing the surface energy.
  • information on at least one instruction is to be understood in particular as information that leads the user to the instruction or that reveals the instruction to the user; in particular, such information can include the instruction itself or be the instruction.
  • this has the information in the form of a printed instruction leaflet.
  • the test kit has the information in the form of a QR code or in the form of a link.
  • the QR code and/or link can, in particular, be printed on the outer packaging or, in particular, can be arranged in printed form in the outer packaging, in particular enclosed with the cloth.
  • Information in text form relating to the at least one instruction can also be printed on the outer packaging.
  • the outer packaging has dimensions of 80 mm ⁇ 60 mm ⁇ 5 mm (in particular: length ⁇ width ⁇ height). This represents a particularly convenient format for the test kit, particularly with a view to comfortably carrying the test kit on the user's body.
  • the cloth is arranged folded in the outer packaging.
  • the unfolded cloth is larger than the outer packaging in terms of its length and width, i.e. in particular its areal extent, and at least once preferably folded several times in the outer packaging. This allows a comparatively large towel to be packaged in a comparatively small outer packaging, which is convenient for the user.
  • test kit according to the invention or a test kit according to one or more of the embodiments described above for - in particular once - testing of a surface energy of a surface of a solid body.
  • test kit there are in particular those advantages which have already been described above in connection with the test kit.
  • test kit is used once.
  • One embodiment provides for the test kit to be disposed of after it has been used once.
  • a free area of the cloth not provided with the test liquid is used after the surface energy test to remove the test liquid from the tested surface, in particular to clean the tested surface.
  • the object is also achieved by creating a method for testing the surface energy of a surface of a solid, with a test liquid being applied to the surface using a cloth.
  • a test liquid being applied to the surface using a cloth.
  • This advantageously allows in particular a simple application of the test liquid to the surface, in particular with an increased wetting width compared to conventional measures.
  • the test liquid can be applied to the surface to be tested with a wetting width of up to 20 mm - or possibly even more.
  • test kit according to the invention or a test kit according to one or more of the embodiments described above is used within the scope of the method.
  • the method for testing the surface energy there are in particular the advantages that have already been described above in connection with the test kit and the use of the test kit.
  • the outer packaging of the test kit is opened, in particular in a first step, with the cloth being removed from the outer packaging in combination with the test liquid. If the test liquid has not yet been applied to the cloth, in an optional second step, the test liquid is applied to the cloth at least in certain areas. In a third step, the test liquid is applied to the surface to be tested using the cloth. In a fourth step, a behavior of the test liquid on the surface to be tested is preferably observed, and the surface energy of the surface to be tested is assessed on the basis of the behavior of the test liquid. In particular, it is observed whether the test liquid on the surface remains stable over a certain period of time, contracts in particular in the form of drops, or spreads out on the surface.
  • the test liquid is only applied to areas of the cloth, so that a test area provided with the test liquid and a free area of the cloth are formed, the free area not being provided with the test liquid.
  • the test liquid is applied to the entire surface of the cloth in the second step.
  • test liquid is removed from the tested surface, in particular wiped off, with an area of the cloth not provided with the test liquid, in particular with the free area of the cloth.
  • test kit - in particular the outer packaging, the cloth and the test liquid - is disposed of.
  • the test kit is used once.
  • the object is also achieved by providing a method for producing a test kit according to the invention or a test kit according to one or more of the embodiments described above, wherein a cloth is provided, wherein a test liquid designed to test a surface energy is also provided, and wherein the cloth and the test liquid are associated with each other, whereby the test kit is obtained.
  • a method for producing a test kit according to the invention or a test kit according to one or more of the embodiments described above wherein a cloth is provided, wherein a test liquid designed to test a surface energy is also provided, and wherein the cloth and the test liquid are associated with each other, whereby the test kit is obtained.
  • the test liquid and the cloth are associated with one another by providing the test liquid and the cloth together, in particular in close proximity to one another, in particular in a common outer packaging, in particular in a common accommodation space of the outer packaging.
  • the test liquid and the cloth are assigned to each other in which at least one Instructions to a user are provided with the content to use the test liquid in combination with the wipe.
  • test liquid is applied to the cloth at least in certain areas.
  • test liquid and the cloth are advantageously associated with one another.
  • the cloth is soaked at least in regions with the test liquid. In one embodiment of the method it is provided that the cloth is completely, in particular over the entire surface, soaked with the test liquid. In another embodiment of the method, it is provided that the cloth is only partially soaked with the test liquid, so that a free area not provided with the test liquid is formed.
  • the object is also achieved by creating a use of a cloth for testing a surface energy of a surface of a solid in a test kit according to the invention or in a test kit according to one or more of the embodiments described above.
  • a cloth for testing a surface energy of a surface of a solid in a test kit according to the invention or in a test kit according to one or more of the embodiments described above.
  • test liquid is applied to the surface to be tested using the cloth.
  • a free area of the cloth not provided with the test liquid is used after the surface energy test to remove the test liquid from the tested surface, in particular to clean the tested surface.
  • test liquid to test a surface energy of a surface of a solid in a test kit according to the invention or in a test kit according to one or more of the embodiments described above.
  • test liquid there are in particular those advantages that were previously associated with the test kit, the use of the test kit, the method for testing the surface energy, the method of making test kits and using the wipe.
  • FIG. 1 shows a schematic representation of a first exemplary embodiment of a test kit for testing a surface energy
  • FIG. 2 shows a schematic representation of a second exemplary embodiment of a test kit for testing a surface energy
  • FIG. 3 shows a schematic detailed representation of a third exemplary embodiment of a test kit for testing a surface energy
  • FIG. 4 shows a schematic representation of a fourth exemplary embodiment of a test kit for testing a surface energy.
  • FIG. 1 shows a schematic representation of a first exemplary embodiment of a test kit 1 for testing a surface energy of a surface of a solid.
  • the test kit 1 has a cloth 3 and also a test liquid 5 (not shown explicitly in FIG. 1)—compare FIG. 2—for testing a surface energy.
  • the cloth 3 has the test liquid, in particular the cloth 3 is soaked with the test liquid 5—preferably completely or over the entire surface.
  • the test liquid 5 is assigned to the cloth 3 in that the cloth 3 has the test liquid 5 .
  • the cloth 3 preferably has a particularly textile material which is selected from a group consisting of: a material containing viscose, in particular a material containing viscose fibers, and a material containing cellulose, in particular a material containing cellulose fibers.
  • the in particular textile material is preferably selected from a group consisting of: a fleece, in particular a random fiber fleece, a felt, a knitted fabric, a knitted fabric, a mesh, a woven fabric, and a paper.
  • the test liquid 5 is preferably designed to determine a surface energy of 18 mN/m to 105 mN/m, preferably 22 mN/m to 72 mN/m, preferably 24 mN/m to 60 mN/m, preferably 28 mN/m m to 57 mN/m, preferably from 30 mN/m to 46 mN/m, preferably 18.4 mN/m, preferably 26 mN/m, preferably 38 mN/m, preferably 44 mN/m, preferably 45 mN/m, preferably 62 mN/m, preferably 76 mN/m, preferably 84 mN/m, preferably 90 mN/m.
  • test kit 1 in particular the cloth 3, is designed in particular for single use.
  • the test kit 1 preferably has a closed outer packaging 7 in which the cloth 3 and the test liquid 5 are arranged.
  • the closed outer packaging 7 is sealed, in particular designed to be liquid-tight, in particular gas-tight.
  • the outer packaging 7 is tamper-proof, in particular designed to be opened only once with damage.
  • the outer packaging 7 is designed as a sealed film packaging 9.
  • the test kit 1 preferably has information 11 relating to at least one instruction, the at least one instruction being selected from a group consisting of: instructions for using the cloth 3 once, instructions for using the cloth 3 to test the surface energy of a surface a solid, an instruction to apply the test liquid 5 - in particular only in certain areas - to the cloth 3, and an instruction to use a point on the cloth 3 not provided with the test liquid 5, in particular a free area 19 of the cloth 3, to remove the test liquid 5 of the tested surface after testing the surface energy.
  • the information 11 can be in the form of a printed package insert, QR code or Fink. In the first exemplary embodiment shown here, the information is printed on the outer packaging 7 .
  • the outer packaging 7 preferably has dimensions of 80 mm ⁇ 60 mm ⁇ 5 mm.
  • the cloth 3 is preferably arranged folded in the outer packaging 7 .
  • the test kit 1 is preferably used in particular once to test the surface energy of a surface of a solid.
  • the test liquid 5 is preferably applied to the surface using the cloth 3 .
  • the test kit 1 is preferably manufactured by providing the cloth 3, also providing the test liquid 5, and associating the cloth 3 and the test liquid 5 with each other, whereby the test kit 1 is obtained.
  • the cloth 3 and the test liquid 5 are preferably associated with one another in that the cloth 3 and the test liquid 5 are arranged together in the closed outer packaging 7 .
  • the test liquid 5 is applied to the cloth 3 at least in certain areas.
  • the cloth 3 is preferably used to test a surface energy of a surface of a solid.
  • the test liquid 5 is preferably used to test a surface energy of a surface of a solid.
  • Fig. 2 shows a schematic representation of a second embodiment of a test kit 1.
  • the second embodiment according to FIG. 2 differs from the first embodiment according to FIG. 1 in that the test liquid 5 in the second embodiment is arranged separately from the cloth 3 and is intended for use with the cloth 3 .
  • the test liquid 5 is arranged in a small bottle 13 .
  • the instruction 11 is designed as a separate package insert 15 .
  • the cloth 3, the vial 13 with the test liquid 5, and the instruction leaflet 15 with the information 11 are preferably arranged together in the closed outer packaging 7. In a preferred embodiment, this is designed as a cardboard box 17 .
  • the test liquid 5 is associated with the cloth 3 and is intended for use with the cloth 3 .
  • the information 11 preferably includes instructions on how to use the cloth 3 in combination with the test liquid 5, so that the test liquid 5 and the cloth 3 are also assigned to one another as a result.
  • Fig. 3 shows a schematic detailed representation of a third embodiment of a test kit 1.
  • the third embodiment of the test kit 1 differs from the first embodiment in that the cloth 3 has the free area 19 and a test area 21 has, wherein the cloth 3 has the test liquid 5 in the test area 21, and wherein the cloth 2 is free of the test liquid 5 in the free area 19, that is to say the test liquid 5 is not there.
  • the cloth 3 is only saturated with the test liquid 5 in the test area 21 .
  • the free area 19 can be used in particular to clean the tested surface of the test liquid 5 after the test has been carried out.
  • FIG. 4 shows a schematic representation of a fourth exemplary embodiment of a test kit 1.
  • the result of the fourth exemplary embodiment is a schematic sectional representation through the test kit 1 according to the first exemplary embodiment in the packaged state. It can be seen in this representation that the towel 3 is arranged in the folded state in the closed outer packaging 7 .
  • the outer packaging 7 designed as a welded film pack 9 has a first, lower film layer 23 and a second, upper film layer 25, which are welded to one another in at least one edge area 27, so that the outer packaging 7 is closed overall, preferably sealed, in particular liquid-tight, in particular gas-tight. is trained.

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Packages (AREA)

Abstract

L'invention concerne un kit de test (1) comprenant une lingette (3) et un liquide de test (5) servant à contrôler une énergie de surface.
PCT/EP2022/077340 2021-10-07 2022-09-30 Kit de test, utilisation d'un tel kit de test, procédé pour contrôler une énergie de surface, procédé de fabrication d'un kit de test, utilisation d'une lingette et utilisation d'un liquide de test pour contrôler une énergie de surface WO2023057340A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102021126094.9A DE102021126094B4 (de) 2021-10-07 2021-10-07 Testkit, Verwendung eines solchen Testkits, Verfahren zur Prüfung einer Oberflächenenergie, Verfahren zur Herstellung eines Testkits, Verwendung eines Tuchs und Verwendung einer Testflüssigkeit zur Prüfung einer Oberflächenenergie
DE102021126094.9 2021-10-07
DE102022109349.2 2022-04-14
DE102022109349 2022-04-14

Publications (1)

Publication Number Publication Date
WO2023057340A1 true WO2023057340A1 (fr) 2023-04-13

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Application Number Title Priority Date Filing Date
PCT/EP2022/077340 WO2023057340A1 (fr) 2021-10-07 2022-09-30 Kit de test, utilisation d'un tel kit de test, procédé pour contrôler une énergie de surface, procédé de fabrication d'un kit de test, utilisation d'une lingette et utilisation d'un liquide de test pour contrôler une énergie de surface

Country Status (1)

Country Link
WO (1) WO2023057340A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060264532A1 (en) * 2005-01-21 2006-11-23 Hendrik Meyer-Luckel Method of infiltrating enamel lesions
EP2374397A2 (fr) * 1998-11-09 2011-10-12 The Procter & Gamble Company Lingettes pré-humidifiées et procédés d'utilisation
WO2020161272A1 (fr) * 2019-02-07 2020-08-13 Windmöller & Hölscher Kg Procédé et dispositif pour le traitement de surface d'un support d'impression

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2374397A2 (fr) * 1998-11-09 2011-10-12 The Procter & Gamble Company Lingettes pré-humidifiées et procédés d'utilisation
US20060264532A1 (en) * 2005-01-21 2006-11-23 Hendrik Meyer-Luckel Method of infiltrating enamel lesions
WO2020161272A1 (fr) * 2019-02-07 2020-08-13 Windmöller & Hölscher Kg Procédé et dispositif pour le traitement de surface d'un support d'impression

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ARCOTEST: "Test Inks for testing the surface energy", 4 May 2013 (2013-05-04), pages 1 - 4, XP093016025, Retrieved from the Internet <URL:https://www.yumpu.com/en/document/view/14002481/test-inks-arcotest> [retrieved on 20230120] *

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