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WO2007079919A1 - Pellicule de protection a multiples motifs de structure superficielle pour recouvrir des produits adhesifs et procedes de production d'une telle pellicule de protection - Google Patents

Pellicule de protection a multiples motifs de structure superficielle pour recouvrir des produits adhesifs et procedes de production d'une telle pellicule de protection Download PDF

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Publication number
WO2007079919A1
WO2007079919A1 PCT/EP2006/012187 EP2006012187W WO2007079919A1 WO 2007079919 A1 WO2007079919 A1 WO 2007079919A1 EP 2006012187 W EP2006012187 W EP 2006012187W WO 2007079919 A1 WO2007079919 A1 WO 2007079919A1
Authority
WO
WIPO (PCT)
Prior art keywords
pattern
adhesive
cover
raised structures
adhesive layer
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2006/012187
Other languages
German (de)
English (en)
Inventor
Hansjörg Ander
Rolf Becher
Thomas Fogel
Margret Haag
Ulrich Neitzert
Heinz Josef RÖSER
Michael SCHÜRMANN
Cornelia Sundrum
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lohmann GmbH and Co KG
Original Assignee
Lohmann GmbH and Co KG
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
Application filed by Lohmann GmbH and Co KG filed Critical Lohmann GmbH and Co KG
Publication of WO2007079919A1 publication Critical patent/WO2007079919A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/40—Adhesives in the form of films or foils characterised by release liners
    • C09J7/403—Adhesives in the form of films or foils characterised by release liners characterised by the structure of the release feature

Definitions

  • the invention relates to a cover for covering adhesive products, such as adhesive tapes or adhesive films, which has multiple, superimposed patterns of surface structures.
  • the invention further relates to the use of such covers for covering adhesive products such as adhesive tapes or adhesive films, as well as adhesive products which are covered with the covers according to the invention, and to processes for the production of the coverings and adhesive products according to the invention.
  • Adhesive products such as adhesive tapes or adhesive films, which are generally composed of a carrier layer and an adhesive layer coated thereon, are used in a variety of applications for joining or joining objects, or as a protective or decorative material for covering surfaces of objects.
  • the surface of the adhesive layer intended to produce the adhesive bond is generally covered with a cover, also called a release liner, which is removable and is removed from the adhesive layer before the adhesive product is used.
  • the adhesive layer surface is not completely smooth, but has recesses which facilitate the escape of air during the bonding process.
  • This can be achieved, in particular, by covering the surface of the adhesive layer with a cover which, on the side facing the adhesive layer, has corresponding three-dimensional relief-like raised surface structures which can form a regular or irregular nostril.
  • the cover is placed on an adhesive layer and pressed on, the surface structures are embossed in the adhesive layer, so that there corresponding complementary (or negative) surface structures are formed, which form a corresponding complementary Nüster.
  • Release liner with suitable textured surfaces are commercially available, for example, covers having an irregular surface texture known as "orange peel structure.”
  • embossing produced by such a cover in the adhesive layer has only relatively short and self-contained channel structures, which can not completely satisfactorily suppress the formation of air bubbles.
  • a derivative of the air to the lateral edges of the cover or the adhesive layer is considerably more difficult in such structured covers.
  • the present invention was therefore based on the object to provide covers for adhesive layers, which can be produced in a simple and cost-effective manner, and which are suitable in the surfaces of adhesive layers Create structures that allow an improved discharge of air during the bonding process.
  • the present invention relates to a cover for adhesive layers of adhesive products.
  • the cover has at least one surface, which is connectable to an adhesive layer and is then removable from this again.
  • the said surface of the cover has at least a three-dimensional pattern comprising a plurality of raised structures.
  • the three-dimensional pattern causes a corresponding complementary pattern of recesses to be formed in the adhesive layer detachably connected to the cover by embossing the raised structures into the surface of the adhesive layer.
  • the said surface of the cover has at least a first pattern comprising a plurality of raised structures irregularly shaped and randomly distributed in the surface.
  • a complementary pattern is formed in the surface of this adhesive layer.
  • the embossed in the surface of the adhesive layer first pattern comprises a plurality of each self-contained channels (based on the plan view and the top view).
  • the named first pattern is preferably an irregularly formed pattern with irregularly arranged structures, in particular in the form of an orange peel structure. Such an orange peel structure may be on the The person skilled in the known manner be produced by embossing or other methods for surface treatment.
  • the said irregular nostril may, for example, also be formed by a multiplicity of irregularly arranged nests which are spaced apart from one another.
  • said surface of the cover of the present invention comprises at least one further three-dimensional pattern superimposed on said first pattern and comprising a plurality of raised structures. These raised structures are regularly or irregularly shaped and are distributed in a regular or random arrangement in the surface.
  • a further complementary pattern is formed, which comprises a plurality of each self-contained connection channels.
  • the connection channels connect the closed channels created by the first pattern in such a way that an open, coherent channel system is formed in the surface of the adhesive layer. This open channel system allows the discharge of air to the outside, d. H. towards the edges of the adhesive layer.
  • the further three-dimensional pattern (s) is / are preferably produced by means of embossing methods (eg by means of embossing plate or embossing roller).
  • said at least one further three-dimensional pattern can also be a surface structure produced by a printing process.
  • the formation of a first pattern Sammeneux channel system allows in a covered with the cover according to the invention adhesive layer.
  • This continuous, outwardly open channel system ensures a very efficient discharge of air during the bonding process, so that the formation of air bubbles or trapped air is reliably suppressed.
  • the invention is not limited to the prevention of air inclusions; it also extends to the inclusion of other gaseous and / or liquid substances or mixtures of substances and allows the discharge of liquid and / or gaseous substances or mixtures into the environment, as described above for the example of trapped air.
  • the relevant surface of the cover is characterized by a certain macroscopic surface roughness. It is preferred that the said raised structures are substantially homogeneously distributed over the surface of the cover, i. H. the surface density of the structures over the entire surface of the cover (or in the area of a repetition unit, see below) is essentially constant.
  • a further advantage of the covers according to the invention is that different channel structures can be obtained by different combinations of a first pattern with one or more further patterns, namely by the described superposing of the individual patterns, so that an optimal adaptation of the channel structures and thereby conditional air flow conditions to the respective conditions (eg flow properties of the adhesives used, total width of an adhesive tape or an adhesive film) is made possible.
  • a small number of patterns eg first pattern, second pattern
  • By multiple overlaying of a second pattern over an existing first pattern different channel structures can be generated.
  • the "multiple overlay" can be done in such a way that a second pattern is impressed once, or two or more times in a staggered arrangement, in the cover.
  • covers according to the invention can be produced simply and inexpensively, since covers which have an embossing pattern corresponding to the first pattern described above are available on the market or can be produced from known starting materials by means of known embossing methods.
  • the covers according to the invention have at least one surface which can be connected to an adhesive layer and is subsequently removable from it.
  • Materials suitable for this purpose are known to the person skilled in the art and are available on the market; Covers of the following materials are particularly suitable: polyolefins (polyethylene, polypropylene), polyvinyl chloride, ethylene-vinyl acetate copolymers, ethylene-vinyl alcohol copolymers, polycarbonate, polyethylene terephthalate, fluorinated thermoplastics, polyurethanes, polyamides, polyimides, paper, polyethylene layered paper, silicone-coated polymer materials, as well as laminates and co-extrudates of the aforementioned materials.
  • the application of adhesion-reduced (dehesive) coatings can take place before or after the embossing of the cover.
  • the surface of the cover provided with said raised structures has in this case a corresponding adhesive coating.
  • Adhesives and adhesive layers contemplated for the purposes of the present invention are also known to those skilled in the art and are available on the market. Preference is given to using pressure-sensitive adhesives and pressure-sensitive adhesive layers.
  • solvent-based pressure-sensitive adhesives, water-based adhesive systems (in particular dispersions), solvent-free pressure-sensitive adhesives or hot-melt pressure-sensitive adhesives of various compositions for example pressure-sensitive adhesives based on polyacrylate, silicone pressure-sensitive adhesive, pressure-sensitive adhesives based on synthetic rubber, pressure-sensitive adhesives based on natural rubber, Pressure-sensitive adhesives based on cellulose derivatives, and combinations thereof.
  • the said further pattern (s), or the first pattern together with the further pattern (s) superimposed thereon respectively form a repeating unit, two or more of these repeating units being adjacent to one another - derlieeaud and / or arranged in series.
  • the production of such repeating units can be effected, for example, by means of an embossing roll or embossing plate, the length or width of the repeating units being determined by the circumference and the width of the embossing roll or by the length and width of the embossing plate used in each case.
  • each repeat unit as described above, said first pattern is irregular and arranged in a random arrangement.
  • the repeating units arranged side by side and / or in succession each contain substantially the same pattern.
  • the repeating units arranged side by side and / or in succession each have substantially the same geometric shape and surface area, preferably rectangular or square.
  • the surface area of the repeating units is preferably in the range of 10 cm 2 to 1 m 2 , in particular 25 cm 2 to 250 cm 2 (in each case based on a repeat unit).
  • the surface of the cover is provided with a further three-dimensional pattern superimposed on said first pattern and said further pattern.
  • This further three-dimensional pattern comprises one, preferably at least two or more elongate raised structures, preferably in the form of ridges or beads.
  • Another complementary pattern is formed in the surface thereof, comprising one or more main channels, the main channels communicating with said channel system.
  • the main channels are the depressions formed by the elongate raised structures.
  • the main channels ensure a particularly efficient discharge of the air (or other gaseous or even liquid substances) during the gluing process.
  • the said elongated raised structures preferably extend in a straight line, for example in a parallel arrangement.
  • an arrangement in the longitudinal direction (based on the adhesive tape or on the stripping direction of the cover) is preferred.
  • the lines are wavy or in the form of curved lines, whereby a particularly effective discharge of the air can be achieved.
  • the undulating or curved lines can be formed regularly or irregularly, for example with - with respect to a longitudinal direction - constant, increasing or decreasing amplitude. Combinations of the aforementioned Strukturelernente are possible.
  • the said elongated raised structures run in a straight line and in a lattice-like arrangement, preferably in a right-angled or diamond-shaped arrangement.
  • an adhesive product eg adhesive tape
  • the said structures of the three-dimensional patterns, or at least a part of these structures in such a way that the structure produced in the adhesive layer is wholly or partially complementary to the three-dimensional (relief-like) structure of the object to be bonded.
  • the surface structure of the adhesive layer is changed by the structured surface of the cover such that it is complementary or at least partially complementary to the surface topography of the surface to be bonded. In this way, the strength of the adhesive bond is increased and the external appearance of the adhesive bond is improved.
  • the surface of the cover has two or more repeating units arranged side by side or in succession, each having at least two superimposed three-dimensional patterns (as described above), wherein elongate raised structures, as mentioned above, are provided between the adjoining repeating units are.
  • This can be achieved, for example, by using a stamping plate having a corresponding raised peripheral edge.
  • an embossing roll which has on its lateral surface an axis-parallel, raised edge or strip, and on both sides of a circumferential raised edge.
  • the surface of the cover according to the invention has a multiplicity of raised structures.
  • the resulting structures are in the plan view as a regular or irregular pattern, or as an elongated structure. doors, to recognize.
  • the structures are referred to as "sublime", because they - with respect to the not deformed by embossing surface areas of the cover - protrude from the base of the cover.
  • the height of the raised structures is preferably in the range of 5 to 500 ⁇ m, in particular in the range of 10 to 100 ⁇ m, in each case measured from the plane of that surface area which directly surrounds the raised structure.
  • the raised structures of the first pattern and / or of said at least one further pattern have a length in the range from 0.05 to 10 mm, preferably from 0.1 to 1 mm.
  • the length refers to the maximum longitudinal extent of the relevant base of a raised structure.
  • the said elongate raised structures preferably have a length in the range of 0.5 cm to 2 m, in particular in the range of 10 cm to 50 cm.
  • the elongate raised structures extend to an outer edge of the cover, for example over the entire width of a cover.
  • the lateral distance between adjacent (eg, parallel) elongate raised structures is preferably 0.5-100 cm, more preferably 10-200 mm.
  • the elongate raised structures preferably have a width in the range of from 10 ⁇ m to 1 mm, more preferably from 50 to 100 ⁇ m (measured at the widest point, respectively).
  • the area ratio of the raised structures of said patterns is preferably in the range of 0.1 to 50%, preferably in the range of 1 to 10%.
  • the invention further extends to adhesive products having an adhesive layer covered with a cover of the type described above, as well as to adhesive products covered with such a cover and in the surface of which the corresponding complementary complementary surface (s) are coated.
  • Pattern is imprinted / are. This means that the embossed pattern remains at least temporarily even after the cover has been detached from the adhesive layer. After the cover has been removed, the surface of the adhesive layer has a coherent channel system, which is produced by the impressing of the said pattern (s) and which produces an extremely effective discharge of air (or of another gaseous or liquid substance or substance mixture). guaranteed to the edges of the adhesive layer, so that the formation of air bubbles or trapped air is avoided.
  • the adhesive products according to the invention are, in particular, adhesive tapes or adhesive films, which may each be single-sided or double-sided adhesive.
  • the adhesive products may additionally have a carrier layer, on which the adhesive layer is applied and to which it is firmly connected.
  • the carrier layer can be made, for example, from materials such as paper, fleece, films, fabrics or foams; Suitable materials for this purpose are known to the person skilled in the art.
  • the covers according to the invention are also suitable for use in carrier-free adhesive products (transfer adhesive tapes, transfer adhesive films).
  • composition of the adhesive layer of the invention adhesive products are preferably selected so that the flow properties of the adhesive layer are such that the complementary patterns (ie depressions) impressed by the cover are retained even after the cover has been detached from the adhesive layer, preferably at least for a period of 5 minutes the peeling, more preferably at least for a period of 30 minutes after peeling, each at an ambient temperature of 15 to 25 0 C.
  • the invention also extends to methods of manufacturing covers of the type described above. These methods include
  • a non-embossed web may be provided with said pattern by a known embossing method (as described above); such as
  • the further pattern comprises a plurality of raised structures which are regularly or irregularly shaped and which are distributed in a regular or random arrangement in the surface.
  • the further pattern is superimposed on the first pattern in such a way that the raised structures of the further pattern are connected to the raised structures of the first pattern.
  • Said further three-dimensional pattern can optionally also be applied two or more times over the first pattern, each with a lateral offset and / or one Offset in the longitudinal direction. This can be achieved for example by different application of the embossing roller or the embossing plate, or by successively arranged embossing rollers.
  • said raised structures are produced by embossing processes, in particular using an embossing roll (rotary embossing) or an embossing plate (plan embossing).
  • embossing rolls rotary embossing
  • embossing plate plan embossing
  • embossing tools which are suitable for forming the said patterns in the form of repeat units, as described above.
  • the embossing of the cover preferably takes place from the side opposite to the side intended for contact with the adhesive layer.
  • the aforementioned three-dimensional patterns may be formed by embossing the cover from both sides (adhesive layer contact side and opposite side).
  • the raised structures can also be produced by other known methods, for example by printing or roller coating or by etching. Said raised structures of the other three-dimensional pattern (s), or at least some of these structures, can be produced by means of printing processes.
  • a material web is used in the production of the cover as the starting material, which - as mentioned above - is provided with an "orange peel structure" (or another irregularly structured surface). At least one further three-dimensional surface will be on this structured surface Pattern printed with raised structures. The imprinting of the further three-dimensional pattern causes the raised structures of the further pattern to be in connection with the raised structures of the first pattern (the "orange-skin structure"). In this way connecting channels are created in an adhesive layer covered with the cover thus produced, which connect the closed channels created by the "orange peel structure” in such a way that an open coherent channel system is formed in the surface of the adhesive layer described above.
  • the cover is additionally provided with a further three-dimensional pattern which is superposed on said first pattern and said further pattern and which comprises one or more elongate raised structures, preferably in the form of ridges or beads.
  • the further pattern is superposed with the aforementioned patterns in such a way that the elongate raised structures are connected to the raised structures of the first pattern and / or to the raised structures of the pattern.
  • the manufacturing method according to the invention may comprise a further step in which the side of the cover intended for contact with an adhesive layer is treated by means of siliconization or fluorosiliconization. This step can be done either before or after the embossing process.
  • the present invention further extends to the use of the covers described above for the production of single- or double-sided adhesive products, preferably of adhesive tapes or adhesive films, as well as a method for reducing the risk of the formation of Air pockets (or inclusions of other gaseous or even liquid substances or mixtures of substances) when bonding an adhesive product to a substrate.
  • the method comprises the following steps: providing a cover according to the invention as described above;
  • the procedure may be such that a cover provided with a three-dimensional pattern as described above is placed on an adhesive layer surface previously provided with a surface structure which is at least partially complementary to the three-dimensional pattern present in the cover is complementary.
  • a cover is placed on the adhesive surface of the adhesive product in such a way that the raised structures of the cover, or at least a part of these structures, come to lie in the existing in the adhesive surface complementary structures.
  • adhesive products e.g., single-sided or double-sided adhesive tapes or labels
  • a cover according to the present invention having a three-dimensional pattern having a plurality of raised structures is applied to the adhesive surface of a prior art applied adhesive product or / and pressed on.
  • the preparation may also be carried out in such a way that a liquid adhesive substance (eg adhesive solution, dispersion, melt) is applied to the surface of the cover provided with the three-dimensional nostril (eg by knife coating).
  • a liquid adhesive substance eg adhesive solution, dispersion, melt
  • the described open channel system is formed in the adhesive layer.
  • the cover used in the manufacture can either remain on the adhesive layer (until applied), or it can be peeled off and replaced with a conventional cover (with a smooth surface). In the latter case, the cover according to the invention is used only as a process foil during manufacture to produce said channel structure in the adhesive layer.
  • an adhesive product takes place in such a way that initially an adhesive layer is produced or provided, which is covered on one of the two surfaces with a cover, which on the side facing the adhesive layer, the having said first pattern. Subsequently, the cover connected to the adhesive layer is provided with at least one further three-dimensional pattern (as described above). This further pattern is impressed by the free (facing away from the adhesive layer) surface of the cover forth in the cover, wherein the embossed Nüster is impressed by the deformation of the cover caused thereby simultaneously in the adhesive layer.
  • Fig. 1 shows - in plan view - an area of a cover with a first pattern (10), which is formed from a plurality of individual raised structures (11, 12).
  • the sublime structures have irregular shapes and their arrangement is random.
  • the length L of a structure in the given case is on average 0.5 mm.
  • Between the raised structures are island-like surface areas (15), which are not raised.
  • Fig. 2 shows - in plan view - a second pattern (20) formed from a plurality of individual raised structures (21, 22).
  • the raised structures have regular shapes and they are regularly arranged.
  • the length L of a structure (21, 22) is in the specified case about 0.7 mm.
  • Fig. 3 shows - in plan view - a surface region of a cover according to the invention, in which the pattern shown in Fig. 1 (10) with the pattern shown in Fig. 2 (20) is superimposed.
  • Fig. 4 shows - in plan view - a surface region of an adhesive layer (80) in which by pressing the cover shown in Fig. 3 on the adhesive layer surface and by subsequent detachment of this cover, a correspondingly complementary embossing pattern (40) was generated.
  • This embossed pattern represents a branched system of channels or Trenches (41, 42).
  • FIG. 5 shows-in plan view-the surface area shown in FIG. 3, which additionally has an arrangement of elongate raised structures (31, 32) which are in communication with the aforementioned structures (11, 12, 21, 22) ,
  • Fig. 6 shows - in plan view - a surface area of a cover according to the invention with successive repeat units (50, 51, 52), each repeat unit having superimposed embossing patterns (not shown, eg as in Fig. 3 or Fig. 5). Between the repeating units and at their lateral edges there are elongate raised structures (33, 33 ', 33 ", 34, 34') for forming said main channels in the adhesive layer surface.
  • the longitudinal direction is indicated by arrow (a), which is width denoted by (B).
  • Fig. 7 shows - in section - an inventive adhesive tape with a removable cover (60), a carrier (70), and an intermediate adhesive layer (80) which is permanently connected to the carrier.
  • the surface (2) of the cover (60) has a multiplicity of embossed, raised structures (13, 14, 23) of the superimposed patterns (10, 20) which are present in the adhesive layer (80) after detachment of the Cover (60) leave corresponding complementary recesses.
  • the covers according to the invention are advantageously suitable for use in the production of adhesive and / or sealing products of the most varied types.
  • the inventive superimposition of embossed structures allows optimal adaptation to different conditions of use.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)

Abstract

L'invention concerne une pellicule de protection destinée aux couches adhésives de produits adhésifs et comprenant au moins une surface qui peut être fixée de manière détachable à une couche adhésive. Cette surface présente au moins un motif tridimensionnel qui comprend une multitude de structures en relief et qui sert à réaliser, dans une couche adhésive fixée à la pellicule de protection, un motif complémentaire correspondant par incrustation des structures en relief dans la surface de la couche adhésive. Cette surface présente un premier motif qui comprend une multitude de structures en relief (11, 12) réalisées de manière irrégulière et réparties aléatoirement sur la surface. Elle présente, en outre, au moins un autre motif tridimensionnel qui se superpose au premier motif et qui comprend une multitude de structures en relief (21, 22) réalisées de manière régulière ou irrégulière et réparties de manière régulière ou aléatoire sur la surface.
PCT/EP2006/012187 2005-12-23 2006-12-18 Pellicule de protection a multiples motifs de structure superficielle pour recouvrir des produits adhesifs et procedes de production d'une telle pellicule de protection Ceased WO2007079919A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005061768.9 2005-12-23
DE102005061768.9A DE102005061768B4 (de) 2005-12-23 2005-12-23 Abdeckung für Klebschichten von klebenden Erzeugnissen sowie Verfahren zur Herstellung und Verwendung derselben

Publications (1)

Publication Number Publication Date
WO2007079919A1 true WO2007079919A1 (fr) 2007-07-19

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PCT/EP2006/012187 Ceased WO2007079919A1 (fr) 2005-12-23 2006-12-18 Pellicule de protection a multiples motifs de structure superficielle pour recouvrir des produits adhesifs et procedes de production d'une telle pellicule de protection

Country Status (2)

Country Link
DE (1) DE102005061768B4 (fr)
WO (1) WO2007079919A1 (fr)

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CN104662113A (zh) * 2012-08-29 2015-05-27 德莎欧洲公司 设有凹槽的胶带
CN104861883A (zh) * 2014-02-26 2015-08-26 凯孚尔有限公司 配备胶粘剂层压膜的方法和涂抹圆柱形热熔胶的方法
US10221339B2 (en) 2014-04-02 2019-03-05 Lintec Corporation Adhesive sheet and method for producing same
US10233360B2 (en) 2014-04-02 2019-03-19 Lintec Corporation Adhesive sheet
US20210340411A1 (en) * 2018-09-07 2021-11-04 Lintec Corporation Release liner, method of producing release liner, adhesive sheet, and method of producing adhesive sheet
CN115919661A (zh) * 2022-11-29 2023-04-07 上海臻臣化妆品有限公司 粉体制品及其制备方法和粉体制品盒
US12241006B2 (en) 2018-07-20 2025-03-04 3M Innovative Properties Company High density post arrays

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CN111954704A (zh) * 2018-04-04 2020-11-17 3M创新有限公司 具有流体排出通道的转移带
AU2019247878B2 (en) * 2018-04-04 2022-01-27 3M Innovative Properties Company Chaotic non-continuous structures useful for functional adhesive systems
WO2021037380A1 (fr) * 2019-08-30 2021-03-04 Lohmann Gmbh & Co. Kg Ruban adhésif pourvu d'un film adhésif structural ayant des structures définies

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WO1998029231A1 (fr) * 1996-12-31 1998-07-09 Minnesota Mining And Manufacturing Company Bandes a gaufrage par phases multiples
WO2005075592A1 (fr) * 2004-02-06 2005-08-18 Peter Ludwig Support de couche de separation

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104662113A (zh) * 2012-08-29 2015-05-27 德莎欧洲公司 设有凹槽的胶带
US9676967B2 (en) 2012-08-29 2017-06-13 Tesa Se Grooved adhesive tape
CN104662113B (zh) * 2012-08-29 2017-09-22 德莎欧洲公司 设有凹槽的胶带
CN104861883A (zh) * 2014-02-26 2015-08-26 凯孚尔有限公司 配备胶粘剂层压膜的方法和涂抹圆柱形热熔胶的方法
US10233360B2 (en) 2014-04-02 2019-03-19 Lintec Corporation Adhesive sheet
US10221338B2 (en) 2014-04-02 2019-03-05 Lintec Corporation Adhesive sheet
US10221339B2 (en) 2014-04-02 2019-03-05 Lintec Corporation Adhesive sheet and method for producing same
US10233361B2 (en) 2014-04-02 2019-03-19 Lintec Corporation Adhesive sheet
US10273387B2 (en) 2014-04-02 2019-04-30 Lintec Corporation Adhesive sheet
US10619077B2 (en) 2014-04-02 2020-04-14 Lintec Corporation Adhesive sheet
US12241006B2 (en) 2018-07-20 2025-03-04 3M Innovative Properties Company High density post arrays
US20210340411A1 (en) * 2018-09-07 2021-11-04 Lintec Corporation Release liner, method of producing release liner, adhesive sheet, and method of producing adhesive sheet
US11613678B2 (en) * 2018-09-07 2023-03-28 Lintec Corporation Release liner, method of producing release liner, adhesive sheet, and method of producing adhesive sheet
US12351749B2 (en) 2018-09-07 2025-07-08 Lintec Corporation Method of producing an adhesive sheet or a release liner
CN115919661A (zh) * 2022-11-29 2023-04-07 上海臻臣化妆品有限公司 粉体制品及其制备方法和粉体制品盒

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