VERFAHREN ZUR HERSTELLUNG EINES HARZES

Method of preparing a resin by free radical polymerizing a mixture of hard segment hydrophobic enhancing monomer, optional soft segment hydrophobic enhancing monomer and hydrophilic enhancing organic acid where said method is characterized by the steps of (1) charging a reactor with water and a port...

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Bibliographische Detailangaben
Hauptverfasser:	J. MAXIMOVICH,MICHAEL, L. BURROWAY,GARY
Format:	Patent
Sprache:	ger
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INKS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	Method of preparing a resin by free radical polymerizing a mixture of hard segment hydrophobic enhancing monomer, optional soft segment hydrophobic enhancing monomer and hydrophilic enhancing organic acid where said method is characterized by the steps of (1) charging a reactor with water and a portion of the initiator and (2) slowly substantially simultaneously adding thereto said monomers and the remainder of the initiator. The important feature of the invention relies upon a relative excess of the initiator in a combination with an elevated temperature (75-95 DEG C) in order to enable the polymerization system substantially free of added emulsifier to be used. The advantage of the invention is the preparation of a particulate resin without the usual attendant, residual coating of emulsifier thereon.