EP1400370B1 - Substrat mit einer Haftkleberschicht - Google Patents
Substrat mit einer Haftkleberschicht Download PDFInfo
- Publication number
- EP1400370B1 EP1400370B1 EP02021042A EP02021042A EP1400370B1 EP 1400370 B1 EP1400370 B1 EP 1400370B1 EP 02021042 A EP02021042 A EP 02021042A EP 02021042 A EP02021042 A EP 02021042A EP 1400370 B1 EP1400370 B1 EP 1400370B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive layer
- substrate
- coating
- adhesive
- pressure
- 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.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 47
- 239000012790 adhesive layer Substances 0.000 title abstract description 7
- 239000000853 adhesive Substances 0.000 claims abstract description 52
- 230000001070 adhesive effect Effects 0.000 claims abstract description 52
- 239000010410 layer Substances 0.000 claims abstract description 44
- 238000000576 coating method Methods 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000004821 Contact adhesive Substances 0.000 claims abstract 11
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 6
- 239000001099 ammonium carbonate Substances 0.000 claims description 6
- 239000004005 microsphere Substances 0.000 claims description 5
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 4
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 3
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 2
- 235000019399 azodicarbonamide Nutrition 0.000 claims description 2
- 238000010410 dusting Methods 0.000 claims 1
- 238000004924 electrostatic deposition Methods 0.000 claims 1
- 239000002861 polymer material Substances 0.000 claims 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 39
- 230000002779 inactivation Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 239000002313 adhesive film Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 239000002998 adhesive polymer Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000007420 reactivation Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D5/00—Sheets united without binding to form pads or blocks
- B42D5/003—Note-pads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42C—BOOKBINDING
- B42C3/00—Making booklets, pads, or form sets from multiple webs
Definitions
- the invention relates to a substrate which is based on at least one Site completely or partially provided with a pressure-sensitive adhesive layer is, as well as a method for temporarily reducing the Adhesive force of a pressure-sensitive adhesive layer.
- So-called sticky notes are widely used in everyday office life. It is a piece of paper from a substrate (usually paper), the on one side usually on a partial surface coated with a so-called repositionable adhesive are.
- the piece of paper can be repeatedly on a smooth counter surface stick on and peel off without a substantial Reduction of the adhesive force occurs.
- a repositionable substrate for use as a sticky note
- an adhesive whose surface inactive in places.
- the surface of the adhesive layer is partially through covered or non-sticky (adhesive) particles, so that only the between These areas exposed areas are available as adhesive areas.
- the term substrate designates any useful document for Applying a pressure-sensitive adhesive.
- it may be the substrate is a paper or polymeric material, preferably are, for example, notes or markers, Adhesive films or the like.
- the substrate is wholly or partly on at least one side provided with a pressure-sensitive adhesive layer.
- This is any self-adhesive coating, which is an adhesion of the Can cause substrates on a mating surface. It may be to act a permanent adhesive, in this case is a once glued substrate not or only with change or destruction of the substrate and / or the pressure-sensitive adhesive layer removable again.
- repositionable Adhesive in particular repositionable microsphere adhesive with microspheres made of self-adhesive polymer, for example from polyacrylate, as for example from DE-A-2836319 are known.
- Repositionable means that such a pressure-sensitive adhesive on a clean, smooth counter surface glued on several times and again can be replaced without appreciable on this counter surface Leave adhesive residue or appreciable adhesive strength losing.
- a coating that reduces the adhesive force is applied on the substrate opposite side of at least part of the pressure-sensitive adhesive layer.
- a bond strength reduction to below is preferred 50 cN / 25 mm, preferably below 35 cN / 25 mm, more preferably below 20 cN / 25 mm, more preferably below 5 cN / 25 mm.
- the term adhesive refers to the FINAT test method # 2 (peel adhesion) measured force required is to make a 25 mm wide strip of paper with the appropriate pressure-sensitive adhesive layer is provided by a standardized Remove counter surface from steel. This so-called Peel adhesion is measured at a peel angle of 90 ° at a withdrawal speed of 300 mm / min.
- the term coating designates in the context of the present Invention on the side facing away from the substrate of the Pressure-sensitive adhesive layer applied and their adhesive force-reducing Layer of a material which, when heated to a temperature the substrate and pressure-sensitive adhesive layer are not irreversible change, is fleeting.
- the material of the coating volatilizes According to the invention preferably at a temperature of 40 ° C or more. In particular, such material is preferred which at a temperature of 40 - 200 ° C, preferably 50 - 150 ° C, more preferably 50 - 100 ° C volatile is.
- the material of the adhesion-reducing coating is according to the invention preferably in powder form and selected from the group consisting of azodicarbonamides, ammonium carbonate and more preferably ammonium bicarbonate.
- the present invention is under a non-irreversible Change the substrate and the pressure-sensitive adhesive layer too understand that after heating the substrate its use is guaranteed for the predetermined purpose and the Pressure-sensitive adhesive layer has sufficient adhesive power to adhesion to effect the substrate on the predetermined mating surface.
- the inactivation amount of the adhesive on the pressure-sensitive adhesive layer Coating is dependent on the substrate and type and Amount of pressure-sensitive adhesive layer on the substrate; also of the type and nature of the inactivation material used. Preferred are amounts of the inactivation material of at least 15 gsm of pressure-sensitive adhesive surface, more preferred at least 25 or 35 gsm.
- a commonly used repositionable pressure sensitive adhesive is a Polyacrylate microsphere pressure-sensitive adhesive, such as in DE-C-28 36 319 and under the mark "Info-Notes” used sticky notes is used.
- the adhesive application weight is about 5 gsm.
- For inactivation of this adhesive layer about 15 g / sqm are crystalline Ammonium hydrogen carbonate required as it is the name "ABC shoot” is available.
- the essence of the invention is the bond strength of an already functionally effective adhesive layer, with the one Substrate is provided by coating with a while heating temporarily reduce volatile material for as long as until by simply heating the coating Adhesive strength of the adhesive layer (at least partially) restored becomes.
- the particular advantage of the present invention is in the Facilitate the processing and packaging of already with a pressure-sensitive adhesive layer provided substrate.
- the substrate can thus easily Assembled in rolls and also unrolled again be without the pressure-sensitive adhesive layer handling problems prepares. Also the subsequent cutting and finishing is due to the inactivated pressure-sensitive adhesive layer considerably relieved. After the completion of the corresponding Processing and finishing steps can be done by heating of the finished product its bond strength restored become.
- the invention further relates to a method for temporary Reduction of the adhesive force of a pressure-sensitive adhesive layer on the pressure-sensitive adhesive layer, a the adhesive force-reducing Coating is applied and the material of this coating volatilizes upon heating to a temperature which does not irreversibly change the pressure-sensitive adhesive layer.
- the application of this coating is when using powdered coating material by simply brushing, Sputtering or electrostatic application possible.
- the invention is described below by way of examples and a Drawing explained.
- the drawing shows a cross section by a substrate according to the invention.
- the substrate 1 is coated on one side with a pressure-sensitive adhesive layer 2, on the on the side facing away from the substrate one the adhesive inactivating coating 3 is applied.
- Adhesive strips coated with "ABC shoot” show one complete inactivation of the pressure-sensitive adhesive layer; that too after 24 hours exposure at room temperature remains. A 20 minute warming to 100 ° C reactivates the Adhesive strength of the pressure-sensitive adhesive layer of the "ABC shoot” coated Samples completely.
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Laminated Bodies (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02021042A EP1400370B1 (de) | 2002-09-20 | 2002-09-20 | Substrat mit einer Haftkleberschicht |
ES02021042T ES2246366T3 (es) | 2002-09-20 | 2002-09-20 | Sustrato con una capa de adhesivo de contacto. |
PT02021042T PT1400370E (pt) | 2002-09-20 | 2002-09-20 | Substrato com uma camada de cola de contacto |
AT02021042T ATE300432T1 (de) | 2002-09-20 | 2002-09-20 | Substrat mit einer haftkleberschicht |
DK02021042T DK1400370T3 (da) | 2002-09-20 | 2002-09-20 | Substrat med kontaktklæberlag |
DE50203772T DE50203772D1 (de) | 2002-09-20 | 2002-09-20 | Substrat mit einer Haftkleberschicht |
SI200230186T SI1400370T1 (sl) | 2002-09-20 | 2002-09-20 | Substrat z adhezivnim slojem |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02021042A EP1400370B1 (de) | 2002-09-20 | 2002-09-20 | Substrat mit einer Haftkleberschicht |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1400370A1 EP1400370A1 (de) | 2004-03-24 |
EP1400370B1 true EP1400370B1 (de) | 2005-07-27 |
Family
ID=31896894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02021042A Expired - Lifetime EP1400370B1 (de) | 2002-09-20 | 2002-09-20 | Substrat mit einer Haftkleberschicht |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1400370B1 (da) |
AT (1) | ATE300432T1 (da) |
DE (1) | DE50203772D1 (da) |
DK (1) | DK1400370T3 (da) |
ES (1) | ES2246366T3 (da) |
PT (1) | PT1400370E (da) |
SI (1) | SI1400370T1 (da) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10725035B2 (en) | 2017-06-16 | 2020-07-28 | Euroimmun Medizinische Labordiagnostika Ag | Diagnosis of a neuroautoimmune disease |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4166152B1 (en) | 1977-08-17 | 1999-05-18 | Minnesota Mining & Mfg | Tacky polymeric microspheres |
WO1987005315A1 (en) * | 1986-02-26 | 1987-09-11 | Erich Pagendarm | Article with adhesive coating and process for its production |
US6268032B1 (en) * | 1997-10-03 | 2001-07-31 | 3M Innovative Properties Company | Repositionable note sheets and method of formation thereof |
-
2002
- 2002-09-20 AT AT02021042T patent/ATE300432T1/de not_active IP Right Cessation
- 2002-09-20 DK DK02021042T patent/DK1400370T3/da active
- 2002-09-20 SI SI200230186T patent/SI1400370T1/sl unknown
- 2002-09-20 PT PT02021042T patent/PT1400370E/pt unknown
- 2002-09-20 EP EP02021042A patent/EP1400370B1/de not_active Expired - Lifetime
- 2002-09-20 ES ES02021042T patent/ES2246366T3/es not_active Expired - Lifetime
- 2002-09-20 DE DE50203772T patent/DE50203772D1/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SI1400370T1 (sl) | 2005-12-31 |
DE50203772D1 (de) | 2005-09-01 |
ATE300432T1 (de) | 2005-08-15 |
ES2246366T3 (es) | 2006-02-16 |
EP1400370A1 (de) | 2004-03-24 |
DK1400370T3 (da) | 2005-11-28 |
PT1400370E (pt) | 2005-11-30 |
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