PRESSURE SENSITIVE ADHESIVE WITH POLYSILOXANE-GRAFTED COPOLYMER

This invention provides pressure sensitive adhesive (PSA) compositions comprising a copolymer having a vinyl polymeric backbone having grafted thereto polysiloxane moieties. The compositions may contain other ingredients such as tackifier and/or plasticizer. An exposed surface of the PSA composition...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MIECZYSLAW HENRYK MAZUREK
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DYES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	This invention provides pressure sensitive adhesive (PSA) compositions comprising a copolymer having a vinyl polymeric backbone having grafted thereto polysiloxane moieties. The compositions may contain other ingredients such as tackifier and/or plasticizer. An exposed surface of the PSA composition is initially positionable on a substrate to which it will be adhered but, once adhered, builds adhesion to form a strong bond. The PSA compositions may be used alone or in blends with unsiliconized PSA compositions. The invention also provides sheet materials coated with the PSA composition such as tape, labels, etc.