EP3790937A1 - Verfahren zur herstellung zweiseitig klebender klebebänder mit in längsrichtung versetzt angeordneten klebabschnitten - Google Patents
Verfahren zur herstellung zweiseitig klebender klebebänder mit in längsrichtung versetzt angeordneten klebabschnittenInfo
- Publication number
- EP3790937A1 EP3790937A1 EP19722595.6A EP19722595A EP3790937A1 EP 3790937 A1 EP3790937 A1 EP 3790937A1 EP 19722595 A EP19722595 A EP 19722595A EP 3790937 A1 EP3790937 A1 EP 3790937A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive tape
- laminated
- adhesive
- sticky
- tape
- 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.)
- Withdrawn
Links
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
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- 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
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
Definitions
- the invention relates to a method for the production of double-sided adhesive laminated tapes having a side and an opposite side and with offset in a longitudinal direction arranged adhesive portions.
- the invention also relates to an apparatus for producing double-sided adhesive tapes having a side and an opposite side and with adhesive portions arranged offset in a longitudinal direction.
- the invention also relates to a laminated adhesive tape.
- the object of the invention is, in a third aspect, to provide a laminated adhesive tape.
- the process makes use of the simple idea of taking two adhesive tapes on one side and gluing them together on the adhesive layers. The overlap leaves open on both sides in the longitudinal direction of a simple piece of tape, so that a laminated tape is formed with staggered adhesive layers on the opposite sides.
- the one side of the first laminated adhesive tape portion is formed all over sticky, and the opposite side of the first laminated adhesive tape portion is not sticky over its entire surface.
- a first adhesive tape is used to produce the first laminated tape portion, which in turn has a full-surface tacky formed one side and an opposite over the entire surface not sticky formed opposite side.
- the first adhesive tape is usually formed from a carrier layer and an adhesive layer applied over the entire surface to the carrier layer.
- the opposite side of the second laminated adhesive tape portion is formed over the entire surface tacky and the one side of the second laminated adhesive tape portion over the entire surface is not sticky.
- a second adhesive tape is used for the production of the second laminated tape portion, which in turn has a full-face tacky formed opposite side and a full-surface non-sticky side.
- the second adhesive tape may also be advantageously formed from a carrier layer and an adhesive layer applied over its entire surface to the opposite side of the carrier layer.
- a middle laminated tape portion is disposed longitudinally between the first and second laminated tape portions, one side and the opposite side of which are preferably non-sticky over the entire surface.
- the overlap region or middle region of the two adhesive tapes is formed by adhering the two adhesive layers of the two adhesive tapes to each other so that the respective outer side, ie both the one and the opposite side of the laminated adhesive tape, is not sticky in the middle region.
- the first adhesive tape with a leading edge is pre-dispensed into a lamination unit and the second adhesive tape is pre-dispensed with a leading second edge offset longitudinally into the lamination unit, and the second edge of the second adhesive tape is offset longitudinally behind the leading first edge of the first adhesive tape adhered to the first adhesive tape, the first adhesive tape is cut at a trailing first edge and the second adhesive tape at a trailing second edge, and the trailing first edge of the first adhesive tape is longitudinally glued to the second adhesive tape in front of the trailing second edge of the second adhesive tape ,
- a gripping section is produced at one end of a laminated adhesive tape, in which the first and the second adhesive tape are glued to one another there.
- the gripping portion is preferably non-sticky on both the one and on the opposite side over the entire surface.
- the laminated adhesive tape may thus consist of a middle region which is not sticky on either side, and additionally has a grip portion, which is preferably provided on an outermost end of the laminated adhesive tape and is held without problems on the adhesive tape as a whole can.
- the object is achieved in its second aspect by an adhesive tape dispenser having the features of claim 8.
- the adhesive tape dispenser according to the invention is suitable for carrying out one of the abovementioned processes; conversely, the above methods can be performed by one of the following tape dispensers.
- the adhesive tape dispenser is suitable for the production of double-sided adhesive tapes with one side and with an opposite side and with longitudinally offset adhesive tape sections.
- the adhesive tape dispenser comprises a first receptacle for a first adhesive tape roll and a second receptacle for a second adhesive tape roll and a laminating unit and a first transport unit for the first adhesive tape and a second transport unit for the second adhesive tape and a dispensing direction or longitudinal direction of the first adhesive tape between the first transport unit and the laminating unit arranged first cutting device for the first adhesive tape and arranged in the dispensing direction or longitudinal direction of the second adhesive tape between the second T ransportech and the laminating second cutting device for the second adhesive tape.
- the adhesive tape dispenser according to the invention comprises the two adhesive tape rolls with the two single-sided adhesive tapes and the first and the second cutting device, which are each associated with one of the adhesive tapes and can cut through one of the two adhesive tapes.
- a controller is provided for the first and second transport unit and for the first and second cutting device.
- the controller is preferably switched so that first the first adhesive tape is pre-dispensed into the lamination unit and temporally offset the second adhesive tape is pre-dispensed into the lamination unit, wherein the first adhesive tape is cut off before the lamination and then the second adhesive tape is further vorgespendet and the second adhesive tape then cut off before the laminating unit.
- the two adhesive tapes are guided in the laminating unit in such a way that the two adhesive layers of the single-sided adhesive tapes are glued to one another.
- the controller initially dispenses the first and the second adhesive tape together into the laminating device, so that a leading adhesive tape edge of the first adhesive tape and a leading adhesive tape edge of the second adhesive tape are aligned with each other and initially a grip portion can be produced.
- the laminated adhesive tape according to the invention comprises two single-sided adhesive tapes having one side and one opposite side and adhesive tape sections offset in a longitudinal direction, the adhesive tapes having their adhesive layers laminated longitudinally offset from one another such that a first laminated adhesive tape section of the laminated adhesive tape is tacky on one side and is not sticky on an opposite side and a second laminated tape portion is not sticky on one side and sticky on the opposite side.
- a middle laminated tape section is not tacky on both sides.
- a grip portion of the laminated adhesive tape is not sticky on one side and on the opposite side.
- the engaging portion is formed as an end portion of the adhesive tape.
- FIG. 2 shows a front view, partly in section, of the adhesive tape dispenser in FIG. 1
- FIG. 3 shows a side view of the adhesive tape dispenser in FIG. 1
- FIG. 1
- Fig. 5 is a side view of an adhesive tape according to the invention in a first embodiment
- Fig. 6 is a side view of an adhesive tape according to the invention in a second embodiment.
- the first adhesive tape roll 1 shows an adhesive tape dispenser according to the invention with a first adhesive tape roll 1 with a first adhesive tape 3 and a second adhesive tape roll 2 with a second adhesive tape 4 which is adhesive on one side.
- the first adhesive tape roll 1 is placed on a first receptacle 5 which is second adhesive tape roll 2 put on a second receptacle 6. Both adhesive tape rolls 1, 2 are rotatably mounted on the receptacles 5, 6.
- the first adhesive tape 3 is guided over two first deflection rollers 7, 8 to a first transport unit 9 and guided from there into a laminating unit 11.
- the first transport unit 9 comprises a first smaller pressure roller 9a, which is pressed by a first spring mechanism 12 against a slightly larger first drive roller 9b.
- the first adhesive tape 3 is passed.
- the first adhesive tape 3 is threaded through the tape dispenser so that the first adhesive tape 3 rests with its non-adhesive side on the two first guide rollers 7, 8 and is guided over them and rests with its non-adhesive side on the first drive roller 9b, while the first pressure roller 9a presses against the adhesive side of the first adhesive tape 3.
- the first pressure roller 9a has an adhesion-reducing coating, so that the adhesive side of the first adhesive tape 3 does not stick to the first pressure roller 9a.
- the second adhesive tape 4 is guided mirror-symmetrically.
- the second adhesive tape 4 is guided over two second deflection rollers 13, 14 and fed to a second transport unit 16. From there, it is fed to the laminating unit 11, where it is laminated together with the first adhesive tape 3.
- the second adhesive tape 4 is also guided with its non-adhesive side, the two second deflection rollers 13, 14 touching, over the two second guide rollers 13, 14 and fed from there to the second transport unit 16.
- the second transport unit 16 comprises a smaller diameter second pressure roller 16a, which is pressed against a second drive roller 16b via a second spring mechanism 17.
- the second drive roller 16b has a slightly larger diameter than the second pressure roller 16a.
- the adhesive side of the second adhesive tape 4 is located on the second pressure roller 16a, while the non-adhesive side abuts the second drive roller 16b.
- the second pressure roller 16a is provided with an adhesion-reducing coating so that the adhesive side of the second adhesive tape 4 does not adhere to the second pressure roller 16a.
- the first adhesive tape 3 is guided past a first cutting unit 18 between the first transport unit 9 and the laminating unit 11, while the second adhesive tape 4 is guided past a second cutting unit 19 between the second transport unit 16 and the laminating unit 11.
- the two cutting units 18, 19 are arranged so that they can completely cut through the respective adhesive tape 3, 4 passing by.
- the laminating unit 11 has two driven laminating rollers 1a, 1b, which rotate in opposite directions and press the two adhesive tapes 3, 4 together.
- the first and the second adhesive tape 3, 4 are guided into the laminating unit 11 in such a way that their adhesive sides lie directly on one another and the two adhesive tapes 3, 4 can be bonded to one another via the two adhesive sides.
- the adhesive tape dispenser has a controller 20.
- the controller 20 comprises a display 21 and an input means 22.
- the controller 20 first controls the rotational speed of the two laminating rollers 11a, 11b and also the rotational speed of the first and second drive rollers 9b, 16b. It also controls the cutting movement, in particular the time of the cutting movement of the first cutting unit 18 and the second cutting unit 19.
- the rotational speeds of the first and second drive rollers 9b, 16b and the cutting movements of the first and second cutting units 18, 19 are matched.
- the function of the tape dispenser will be described below.
- Fig. 2 shows the front view
- Fig. 3 is a side view.
- the adhesive tape dispenser stands on four feet 24 and has a handle 26 on the side, with which it is easier to move.
- FIG. 4 shows a plan view with the handle 26 and the first and second adhesive tape rolling elements, 2.
- FIG. 5 shows the cross section of a first laminated adhesive tape 30 according to the invention in a first embodiment, which can be produced by the adhesive tape dispenser of FIGS. 1 to 4.
- the first laminated adhesive tape 30 is composed of one piece of the first adhesive tape 3 and a piece of the second adhesive tape 4.
- the piece of the first adhesive tape 3 and the piece of the second adhesive tape 4 are bonded together in a middle laminated adhesive tape portion 31 via their two adhesive sides 3a, 4a.
- a first laminated adhesive tape portion 32 is formed by the first adhesive tape 3 and is tacky on one side and non-tacky on the opposite side.
- a second laminated adhesive tape portion 33 is formed by the second adhesive tape 4 and is not tacky on one side and sticky on the opposite side.
- the adhesive layer 3a is formed over the entire surface sticky, d. H. the adhesive layer 3a of the laminated adhesive tape extends over an entire width of the first laminated adhesive tape portion 32 and over an entire length of the first laminated adhesive tape portion 32.
- the adhesive layer 4a of the second laminated adhesive tape portion 33 is also formed on the entire surface, i. H. it extends over an entire width of the second laminated adhesive tape portion 33 and over an entire length of the second laminated adhesive tape portion 33.
- the middle laminated adhesive tape portion 31 whose side is not tacky and the opposite side is also not sticky. Under sticky here is to be understood basically that the respective side is provided with a pressure-sensitive adhesive, are usually provided with the adhesive tapes.
- Non-polar elastomers such as vinyl aromatic block copolymers
- nonpolar solvents ie in solvents and / or solvent mixtures whose polarity corresponds to ethyl acetate or which are more nonpolar.
- solvents and / or solvent mixtures with a dielectric constant of less than 6.1 [http://en.wikipedia.org/wiki/Solvent] and / or with Hansen parameters öP Polar ⁇ 5.3; ⁇ H Hydrogen bonding ⁇ 7.2 [Abbott, Steven and Hansen, Charles M. (2008) Hansen Solubility Parameters in Practice, ISBN 0-9551220-2-3 or Hansen, Charles M. (2007) Hansen solubility parameters: a user's handbook CRC Press, ISBN 0-8493-7248-8].
- elastomeric block copolymers contain at least one type of block with a softening temperature of greater than 40 ° C such as vinyl aromatics (also partially or fully hydrogenated variants), methyl methacrylate, cyclohexyl methacrylate, isobornyl methacrylate and isobornyl.
- the block copolymer contains a block cake with a softening temperature of less than -20 ° C.
- soft blocks examples include polyethers such as polyethylene glycol, polypropylene glycol or polytetrahydrofuran, polydienes such as polybutadiene or polyisoprene, (partially) hydrogenated polydienes such as polyethylene butylene, polyethylene propylene or polybutylene butadiene, polybutylene, polyisobutylene, polyalkyl vinyl ether, Polymer blocks a, b-unsaturated ester such as in particular acrylate copolymers.
- the soft block is constructed in a non-polar configuration and then preferably contains butylene or isobutylene or hydrogenated polydienes as Homopolymerblock or copolymer block, the latter are preferably copolymerized with itself or with each other or with further, more preferably nonpolar comonomers.
- non-polar comonomers for example (partially) hydrogenated polybutadiene, (partially) hydrogenated polyisoprene and / or polyolefins are suitable.
- the crosslinkable component also referred to as a reactive resin, consists of a cyclic ether and is suitable for radiation-chemical and optionally thermal crosslinking with a softening temperature of less than 40 ° C., preferably less than 20 ° C.
- the reactive resins based on cyclic ethers are, in particular, epoxides, ie compounds which carry at least one oxirane group, or oxetanes. They may be aromatic or in particular aliphatic or cycloaliphatic nature. io
- Useful reactive resins can be monofunctional, difunctional, trifunctional, tetrafunctional or higher functional to polyfunctional, with functionality relating to the cyclic ether group.
- Examples are 3,4-epoxycyclohexylmethyl-3 ', 4'-epoxycyclohexanecarboxylate (EEC) and derivatives, dicyclopendadiene dioxide and derivatives, 3-ethyl-3-oxetanemethanol and derivatives,
- Hexahydrophthalic acid diglycidyl esters and derivatives 1,2-ethanediglycidyl ethers and derivatives, 1,3-propanediglycidyl ethers and derivatives, 1,4-butanediol diglycidyl ethers and derivatives, higher 1,1-n-alkanediglycidyl ethers and derivatives, bis - [(3,4-epoxycyclohexyl) methyl] - adipate and derivatives, vinylcyclohexyl dioxide and derivatives, 1,4-cyclohexanedimethanol bis (3,4-epoxycyclohexanecarboxylate) and derivatives, 4,5-epoxytetrahydrophthalic acid diglycidyl ester and derivatives, bis [1-ethyl (3-oxetanyl) methyl) ethers and derivatives , Pentaerythritol tetraglycidyl ethers and derivatives, bisphenol A
- Reactive resins can be used in their monomeric or dimeric, trimeric, etc., up to their oligomeric form.
- the first adhesive tape 3 conventionally consists of a first carrier layer 3b and a first adhesive layer 3a.
- the first adhesive tape 3 is wound on the first adhesive tape roll 1.
- the second adhesive tape 4 consists of a second carrier layer 4b and a second adhesive layer 4a and is wound on the second adhesive tape roll 2
- the first and the second carrier layer 3a, 4a are made of common plastics; by way of example but not by way of limitation
- Polyethylene polypropylene - in particular oriented polypropylene (OPP) produced by mono- or biaxial stretching, cyclic olefin copolymers (COC), polyvinyl chloride (PVC), polyesters - in particular polyethylene terephthalate (PET) and polyethylene naphthalate (PEN), ethylene vinyl alcohol (EVOH), polyvinylidene chloride (PVDC), polyvinylidene fluoride (PVDF), polyacrylonitrile (PAN), polycarbonate (PC), polyamide (PA), polyethersulfone (PES) or polyimide (PI).
- OPP oriented polypropylene
- COC cyclic olefin copolymers
- PVC polyvinyl chloride
- PET polyethylene terephthalate
- PEN polyethylene naphthalate
- EVOH ethylene vinyl alcohol
- PVDC polyvinylidene chloride
- PVDF polyvinylidene fluoride
- PAN polyacrylonit
- the first and second adhesive tapes 3, 4 are fed to the laminating unit 11 and cut with the cutters 18, 19 so that laminated adhesive tape portions 31, 32, 33 shown in Fig. 5 are produced.
- the ends of the adhesive tapes 3, 4 are first threaded into the adhesive tape dispenser until both ends are short of the laminating unit 1 1.
- the control is set up so that initially only the first transport unit 9 is activated and the first adhesive tape 3 is conveyed past the first cutting device 18 into the laminating unit 11 and is conveyed through the laminating unit 11.
- the second transport unit 19 is activated and the second adhesive tape 4 is conveyed forward.
- the laminating unit 1 1 the second adhesive tape 3, 4 with its adhesive layer 4a on the
- the first adhesive tape 3 is completely severed in time for a length of the first laminated adhesive tape portion 32 plus the length of the middle laminated adhesive tape portion 31.
- the second adhesive tape 4 is conveyed forward by the length of the second laminated adhesive tape section 33.
- the second cutting unit 19 is activated and the second adhesive tape 4 is severed. Thereafter, the process starts again, and the second laminated adhesive tape portion 33 shown in FIG. 5 is produced.
- second laminated adhesive tapes 34 can be made as shown in FIG. First, both adhesive tapes 3, 4 parallel to each other be vorgespendet and laminated in the laminating unit 11, wherein after a Vorspenden by the length of a Anutzabiteses 36, the second cutting device 19 is actuated and the second adhesive tape 4 is cut off. At the engaging portion 36, the second laminated adhesive tape 34 can be more easily grasped and fed to its eventual use.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018207016.4A DE102018207016A1 (de) | 2018-05-07 | 2018-05-07 | Verfahren zur Herstellung zweiseitig klebender Klebebänder mit in Längsrichtung versetzt angeordneten Klebabschnitten |
PCT/EP2019/061505 WO2019215064A1 (de) | 2018-05-07 | 2019-05-06 | Verfahren zur herstellung zweiseitig klebender klebebänder mit in längsrichtung versetzt angeordneten klebabschnitten |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3790937A1 true EP3790937A1 (de) | 2021-03-17 |
Family
ID=66440051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19722595.6A Withdrawn EP3790937A1 (de) | 2018-05-07 | 2019-05-06 | Verfahren zur herstellung zweiseitig klebender klebebänder mit in längsrichtung versetzt angeordneten klebabschnitten |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3790937A1 (de) |
DE (1) | DE102018207016A1 (de) |
WO (1) | WO2019215064A1 (de) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9913604D0 (en) * | 1999-06-12 | 1999-08-11 | Jevtec Limited | Adhesive tapes |
DE10042732A1 (de) | 2000-08-31 | 2002-03-28 | Tesa Ag | Verfahren zur Ummantelung von langgestrecktem Gut, wie insbesondere Kabelsätzen mit einem Klebeband |
DE102005017381A1 (de) | 2005-04-14 | 2006-10-19 | Tesa Ag | Verfahren zum Ummanteln von langgestrecktem Gut, wie insbesondere Kabelsätzen, mit einer Umhüllung |
FR2914312A1 (fr) * | 2007-03-29 | 2008-10-03 | Didier Couvreur | Ruban adhesif de masquage de pieces |
JP5737121B2 (ja) * | 2011-10-07 | 2015-06-17 | 富士通株式会社 | 筐体、及び電子機器 |
DE102012004552B4 (de) * | 2012-03-01 | 2018-05-24 | Ulrich Decker | Verfahren zur Herstellung eines Abklebbandes zum Abkleben einer zu spritzlackierenden Fläche |
-
2018
- 2018-05-07 DE DE102018207016.4A patent/DE102018207016A1/de not_active Withdrawn
-
2019
- 2019-05-06 EP EP19722595.6A patent/EP3790937A1/de not_active Withdrawn
- 2019-05-06 WO PCT/EP2019/061505 patent/WO2019215064A1/de unknown
Also Published As
Publication number | Publication date |
---|---|
WO2019215064A1 (de) | 2019-11-14 |
DE102018207016A1 (de) | 2019-11-07 |
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