Bindemittel für oberflächenbeschichtete Schleifmittel, die ein ternäres Photoinitiatorsystem enthalten

Coated abrasive binders are made from a photocurable addition-polymerizable composition containing a free-radically polymerizable monomer and a photoinitiator system containing i) an arylidonium salt, ii) a sensitizing compound, and iii) an electron donor having an oxidation potential that is greate...

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Bibliographische Detailangaben
Hauptverfasser:	UBEL, ANDREW F. III., P.O.BOX 33427, ST. PAUL, MN 55133, US, LARSON, ERIC G., P.O.BOX 33427, ST. PAUL, MN 55133, US, OXMAN, JOEL D., P.O.BOX 33427, ST. PAUL, MN 55133, US
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON DYES GENERAL PROCESSES OF COMPOUNDING GRINDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PERFORMING OPERATIONS POLISHES POLISHING THEIR PREPARATION OR CHEMICAL WORKING-UP TOOLS FOR GRINDING, BUFFING, OR SHARPENING TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	Coated abrasive binders are made from a photocurable addition-polymerizable composition containing a free-radically polymerizable monomer and a photoinitiator system containing i) an arylidonium salt, ii) a sensitizing compound, and iii) an electron donor having an oxidation potential that is greater than zero and less than or equal to that of p-dimethyoxybenzene (1.32 volts vs. S.C.E.). The binders cure rapidly and deeply under ultraviolet or visible light, even when filled with large amounts of mineral grain or with coarse grades of minerals.