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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Hauptverfasser: STOMBERG, Jaimie E, LEHUU, Duy K, RULE, Joseph D, SIGLIN, David P, JENNEN, Jay M
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Sprache:eng ; fre
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creator STOMBERG, Jaimie E
LEHUU, Duy K
RULE, Joseph D
SIGLIN, David P
JENNEN, Jay M
description 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. La présente divulgation concerne des polyuréthanes comprenant un produit de la réaction d'un mélange réactif contenant un polyol ayant une masse moléculaire moyenne en nombre d'au moins 400 Daltons, un extendeur de chaîne de type diol ayant une masse moléculaire inférieure à 400 Daltons, un diisocyanate ; et une amine multifonctionnelle. La présente divulgation porte en outre sur des couches de polissage et sur des tampons de polissage fabriqués à partir de ceux-ci. En outre, la présente divulgation concerne des systèmes de polissage et des procédés de polissage utilisant lesdits tampons de polissage et couches de polissage.
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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. La présente divulgation concerne des polyuréthanes comprenant un produit de la réaction d'un mélange réactif contenant un polyol ayant une masse moléculaire moyenne en nombre d'au moins 400 Daltons, un extendeur de chaîne de type diol ayant une masse moléculaire inférieure à 400 Daltons, un diisocyanate ; et une amine multifonctionnelle. La présente divulgation porte en outre sur des couches de polissage et sur des tampons de polissage fabriqués à partir de ceux-ci. 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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
DRESSING OR CONDITIONING OF ABRADING SURFACES
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
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
POLISHING
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
title POLYURETHANES, POLISHING ARTICLES AND POLISHING SYSTEMS THEREFROM AND METHOD OF USE THEREOF
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