POLYURETHANES, POLISHING ARTICLES AND POLISHING SYSTEMS THEREFROM AND METHOD OF USE THEREOF

The present disclosure relates to polyurethanes comprising a reaction product of a reactive mixture including a polyol having a number average molecular weight of at least 400 Daltons, a diol chain extender having a molecular weight less than 400 Daltons, a diisocyanate; and a multifunctional amine....

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Bibliographische Detailangaben
Hauptverfasser:	Stomberg, Jaimie E, Rule, Joseph D, Lehuu, Duy K, Siglin, David P, Jennen, Jay M
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY COMPOSITIONS BASED THEREON DRESSING OR CONDITIONING OF ABRADING SURFACES DYES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES POLISHING POLISHING COMPOSITIONS OTHER THAN FRENCH POLISH SKI WAXES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	The present disclosure relates to polyurethanes comprising a reaction product of a reactive mixture including a polyol having a number average molecular weight of at least 400 Daltons, a diol chain extender having a molecular weight less than 400 Daltons, a diisocyanate; and a multifunctional amine. The present disclosure further provides polishing layers and polishing pads fabricated therefrom. Additionally, the present disclosure provides polishing systems and polishing methods employing said polishing layers and polishing pads.