EP1400370B1 - Substrat mit einer Haftkleberschicht - Google Patents

Substrat mit einer Haftkleberschicht Download PDF

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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
Application number
EP02021042A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1400370A1 (de
Inventor
Herbert Dr. Knolle
Arno Kluck
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.)
Print Inform GmbH and Co KG
Original Assignee
Print Inform 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
Priority to SI200230186T priority Critical patent/SI1400370T1/sl
Priority to PT02021042T priority patent/PT1400370E/pt
Priority to ES02021042T priority patent/ES2246366T3/es
Priority to AT02021042T priority patent/ATE300432T1/de
Priority to EP02021042A priority patent/EP1400370B1/de
Application filed by Print Inform GmbH and Co KG filed Critical Print Inform GmbH and Co KG
Priority to DK02021042T priority patent/DK1400370T3/da
Priority to DE50203772T priority patent/DE50203772D1/de
Publication of EP1400370A1 publication Critical patent/EP1400370A1/de
Application granted granted Critical
Publication of EP1400370B1 publication Critical patent/EP1400370B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)
  • Laminated Bodies (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP02021042A 2002-09-20 2002-09-20 Substrat mit einer Haftkleberschicht Expired - Lifetime EP1400370B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PT02021042T PT1400370E (pt) 2002-09-20 2002-09-20 Substrato com uma camada de cola de contacto
ES02021042T ES2246366T3 (es) 2002-09-20 2002-09-20 Sustrato con una capa de adhesivo de contacto.
AT02021042T ATE300432T1 (de) 2002-09-20 2002-09-20 Substrat mit einer haftkleberschicht
EP02021042A EP1400370B1 (de) 2002-09-20 2002-09-20 Substrat mit einer Haftkleberschicht
SI200230186T SI1400370T1 (sl) 2002-09-20 2002-09-20 Substrat z adhezivnim slojem
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

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3415909B1 (en) 2017-06-16 2021-08-11 Euroimmun Medizinische Labordiagnostika AG Diagnosis of a neuroautoimmune disease

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DK1400370T3 (da) 2005-11-28
PT1400370E (pt) 2005-11-30
DE50203772D1 (de) 2005-09-01
ES2246366T3 (es) 2006-02-16
ATE300432T1 (de) 2005-08-15
EP1400370A1 (de) 2004-03-24
SI1400370T1 (sl) 2005-12-31

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