SUPER ABSORBENT POLYMER RECYCLING TO PRESSURE SENSITIVE ADHESIVES

Methods for upcycling crosslinked sodium polyacrylate to pressure sensitive adhesives via (a) mechanochemical chain-shortening and esterification or (b) esterifying with high conversion with a Fischer esterification process are disclosed. Also disclosed is a pressure sensitive adhesive prepared by t...

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Bibliographische Detailangaben
Hauptverfasser:	MCNEIL, Anne, COLLIAS, Dimitris Ioannis, ZIMMERMAN, Paul, ROBO, Michael, CHAZOVACHII, Paul Takunda, MARSH, Neil, JAMES, Martin Ian
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	HUMAN NECESSITIES HYGIENE IMPREGNATING OR COATING OF PAPER LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM MEDICAL OR VETERINARY SCIENCE PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	Methods for upcycling crosslinked sodium polyacrylate to pressure sensitive adhesives via (a) mechanochemical chain-shortening and esterification or (b) esterifying with high conversion with a Fischer esterification process are disclosed. Also disclosed is a pressure sensitive adhesive prepared by the disclosed methods and articles comprising the pressure sensitive adhesive, including, but not limited to, pressure sensitive tape, a bandage, a label, note pads, a decal, a stamp, an envelope, a sticker, packaging, automobile trim, and a film.