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1. WO2013012973 - HEAT-DEBONDABLE ADHESIVE ARTICLE AND METHODS OF MAKING AND USING THE SAME

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Publication Number WO/2013/012973
Publication Date 24.01.2013
International Application No. PCT/US2012/047274
International Filing Date 19.07.2012
IPC
C09J 5/06 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
5Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
06involving heating of the applied adhesive
C09J 7/02 2006.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
7Adhesives in the form of films or foils
02on carriers
CPC
B32B 3/18
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
3Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form
10characterised by a discontinuous layer, i.e. formed of separate pieces of material
18characterised by an internal layer formed of separate pieces of material ; which are juxtaposed side-by-side
B32B 38/10
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
38Ancillary operations in connection with laminating processes
10Removing layers, or parts of layers, mechanically or chemically
B32B 5/18
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
5Layered products characterised by the non- homogeneity or physical structure ; , i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
18characterised by features of a layer ; of; foamed material
B32B 7/12
BPERFORMING OPERATIONS; TRANSPORTING
32LAYERED PRODUCTS
BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
7Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
04Interconnection of layers
12using interposed adhesives or interposed materials with bonding properties
C09J 2301/124
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIAL AS ADHESIVES
2301Additional features of adhesives in the form of films or foils
10characterized by the structural features of the adhesive tape or sheet
12by the arrangement of layers
124the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
C09J 2301/18
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIAL AS ADHESIVES
2301Additional features of adhesives in the form of films or foils
10characterized by the structural features of the adhesive tape or sheet
18characterized by perforations in the adhesive tape
Applicants
  • 3M INNOVATIVE PROPERTIES COMPANY [US]/[US] (AllExceptUS)
  • RULE, Joseph D., [US]/[US] (UsOnly)
  • BEHLING, Ross E., [US]/[US] (UsOnly)
  • LEE, Nicholas A., [US]/[US] (UsOnly)
  • LEBOW, Leslie M. [US]/[US] (UsOnly)
Inventors
  • RULE, Joseph D.,
  • BEHLING, Ross E.,
  • LEE, Nicholas A.,
  • LEBOW, Leslie M.
Agents
  • EHRICH, Dena M.
Priority Data
61/509,25019.07.2011US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HEAT-DEBONDABLE ADHESIVE ARTICLE AND METHODS OF MAKING AND USING THE SAME
(FR) ARTICLE ADHÉSIF DÉCOLLABLE ET PROCÉDÉS POUR LE FABRIQUER ET L'UTILISER
Abstract
(EN)
A heat-debondable adhesive article having two opposing sides is pro¬ vided that includes a shape-memory polymer sheet in its temporary strained shape that includes a plurality of slits therein and a first ad¬ hesive on one opposing side of the polymer sheet and a second adhe¬ sive on the other opposing side of the polymer sheet. The provided ar¬ ticle, optionally, includes a first substrate in contact with the first ad¬ hesive and a second substrate in contact with the second adhesive. The article can be debonded by heating the article to a temperature equal to or greater than a transition temperature for the shape-mem¬ ory polymer sheet.
(FR)
L'invention concerne un article adhésif décollable comportant deux côtés opposés, qui comprend une feuille de polymère à mémoire de forme sous sa forme temporairement contrainte qui comprend une pluralité de fentes et un premier adhésif sur un côté de la feuille de polymère et un deuxième adhésive sur le côté opposé de la feuille de polymère. L'article de l'invention comprend, en option, un premier substrat en contact avec le premier adhésif et un deuxième substrat en contact avec le deuxième adhésif. L'article peut être décollé par chauffage de l'article à une température égale ou supérieure à une température de transition pour la feuille de polymère à mémoire de forme.
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