Pressure-sensitive adhesive and detachable strip formed from it

Disclosed is a pressure-sensitive adhesive for single- or double-sidedly tacky pressure-sensitive adhesive strips that are redetachable without residue or destruction both by extensive stretching substantially in the bond plane and by peeling. The pressure-sensitive adhesive is composed at least of...

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Bibliographische Detailangaben
Hauptverfasser:	PUTLITZ BODO ZU, KRAWINKEL THORSTEN
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIME, MAGNESIA LINING MACHINES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRINTING REFRACTORIES SELECTIVE PRINTING MECHANISMS SLAG STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF NATURAL STONE TYPEWRITERS
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Beschreibung
Zusammenfassung:	Disclosed is a pressure-sensitive adhesive for single- or double-sidedly tacky pressure-sensitive adhesive strips that are redetachable without residue or destruction both by extensive stretching substantially in the bond plane and by peeling. The pressure-sensitive adhesive is composed at least of (1) a vinylaromatic block copolymer, (2) a solid tackifying resin having a softening temperature by the ring-and-ball method of more than 30° C. and (3) a resin which is liquid at room temperature (23° C.), wherein the fraction of liquid resin accounts for at least 40% by weight, based on the total amount of resin. Also disclosed are strips formed from the adhesive and the use of the strips to form redetachable bonds.