IE37450L - Self-adhesive stamp - Google Patents

Self-adhesive stamp

Info

Publication number
IE37450L
IE37450L IE730487A IE48773A IE37450L IE 37450 L IE37450 L IE 37450L IE 730487 A IE730487 A IE 730487A IE 48773 A IE48773 A IE 48773A IE 37450 L IE37450 L IE 37450L
Authority
IE
Ireland
Prior art keywords
solvent
stamp
binder
adhesive
microcapsules
Prior art date
Application number
IE730487A
Other versions
IE37450B1 (en
Original Assignee
Farthingham Developments Ltd
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 Farthingham Developments Ltd filed Critical Farthingham Developments Ltd
Publication of IE37450L publication Critical patent/IE37450L/en
Publication of IE37450B1 publication Critical patent/IE37450B1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/21Paper; Textile fabrics
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Color Printing (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Credit Cards Or The Like (AREA)

Abstract

1387241 Self-adhesive stamps N J WATERBURY 28 March 1973 [29 March 1972] 14947/ 73 Heading B2E [Also in Division B8] A postage or trading stamp has adhered by a non-tacky binder to its reverse face microencapsulated material, the microcapsules being adapted to rupture when the stamp is pressed against a recipient surface, resulting in the release or formation between the reverse face and the recipient surface of an adhesive. The microencapsulated material may be a solvent for a binder which is a solvent-sensitive adhesive, or the capsules may contain a solution of adhesive optionally with plasticiser. Suitable solvent-sensitive adhesives are (1) water-soluble gums, the solvent being water or aqueous alcoholic solvent, (2) elastomer based adhesive e.g. neoprene, nitrile rubber or SBR with hydrocarbon solvent such as petroleum spirit or toluene, (3) acrylic resin e.g. polymethyl methacrylate, polybutylmethacrylate, or methyl methacrylate/butyl methacrylate copolymer with aromatic hydrocarbon solvent such as white spirit, toluene or xylene, or (4) a vinyl resin such as polyvinyl acetate or polyvinyl butyral, the solvent being alcohol, ester or ketone. Preferably, the binder is water-based so the stamp can be adhered alternatively by licking or by pressure, and the materials of the coating are non-toxic. The capsule material may be gelatin, gum arabic, or, preferably, a thermoset material such ureaformaldehyde resin. The coating may cover the whole of the reverse of the stamp or may be arranged in spaced regions such as in the corners or in a crossed pattern. The binder is preferably sprayed onto the reverse face of the stamp in a solution which contains a dispersion of the microcapsules. The microcapsules may also be sprayed or scattered in the form of a powder while the binder is still liquid and tacky, or applied to the front face of the stamp or include an ink. [GB1387241A]
IE487/73A 1972-03-29 1973-03-27 Self-adhesive stamp IE37450B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23915572A 1972-03-29 1972-03-29

Publications (2)

Publication Number Publication Date
IE37450L true IE37450L (en) 1973-09-29
IE37450B1 IE37450B1 (en) 1977-07-20

Family

ID=22900849

Family Applications (1)

Application Number Title Priority Date Filing Date
IE487/73A IE37450B1 (en) 1972-03-29 1973-03-27 Self-adhesive stamp

Country Status (16)

Country Link
JP (1) JPS4910000A (en)
AU (1) AU5393973A (en)
BE (1) BE797494A (en)
BR (1) BR7302277D0 (en)
CH (1) CH548079A (en)
DD (1) DD105082A5 (en)
DE (1) DE2315779A1 (en)
FR (1) FR2178686A5 (en)
GB (1) GB1387241A (en)
IE (1) IE37450B1 (en)
IT (1) IT981743B (en)
LU (1) LU67312A1 (en)
MC (1) MC975A1 (en)
NL (1) NL7304386A (en)
SE (1) SE7304366L (en)
ZA (1) ZA732169B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103778853A (en) * 2012-10-18 2014-05-07 瀚宇彩晶股份有限公司 Easily separated electronic device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1217310A (en) * 1981-09-14 1987-02-03 George B. Park Heat recoverable article
JPS59129281A (en) * 1983-01-14 1984-07-25 Kureha Chem Ind Co Ltd Microcapsule type adhesive
US4610927A (en) * 1983-09-14 1986-09-09 Kureha Kagaku Kogyo Kabushiki Kaisha Microcapsules containing a hydrophobic, volatile core substance and their production
DE3508150A1 (en) * 1984-04-17 1985-10-24 Töpfer GmbH Kulmbach, 8650 Kulmbach LABEL AND METHOD AND DEVICE FOR APPLYING A LABEL, AND METHOD AND DEVICE FOR REMOVING A LABEL
GB2161786A (en) * 1984-07-18 1986-01-22 Donald R Kardon Bag closure
DE10312395B3 (en) * 2003-03-20 2004-10-14 Nordenia Deutschland Gronau Gmbh Sealable plastic film for reclosable film products and process for producing such a film
EP3080351B1 (en) 2013-12-13 2019-11-06 3M Innovative Properties Company Articles including microcapsules for on-demand adhesion and methods of making same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103778853A (en) * 2012-10-18 2014-05-07 瀚宇彩晶股份有限公司 Easily separated electronic device
CN103778853B (en) * 2012-10-18 2015-10-28 瀚宇彩晶股份有限公司 Detachable Electronics

Also Published As

Publication number Publication date
AU5393973A (en) 1974-10-03
LU67312A1 (en) 1973-06-08
ZA732169B (en) 1975-02-26
BR7302277D0 (en) 1974-07-25
GB1387241A (en) 1975-03-12
IT981743B (en) 1974-10-10
DD105082A5 (en) 1974-04-05
MC975A1 (en) 1974-02-01
IE37450B1 (en) 1977-07-20
DE2315779A1 (en) 1973-10-11
FR2178686A5 (en) 1973-11-09
JPS4910000A (en) 1974-01-29
NL7304386A (en) 1973-10-02
SE7304366L (en) 1973-10-01
CH548079A (en) 1974-04-11
BE797494A (en) 1973-07-16

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