Modified acetophenone formaldehyde resins containing epoxy groups
Polyglycidylether, die dadurch erhältlich sind, dass man Acetophenon mit 0,7 bis 1,4 Mol Formaldehyd pro Mol Acetophenon in Gegenwart eines alkalischen Katalysators bei einer Temperatur von 50-100°C zu einem carbonylgruppenhaltigen Acetophenon-Formaldehyd-Harz umsetzt, das carbonylgruppenhaltige Har...
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| creator | RENNER, ALFRED RENNER COTTING, JACQUES-ALAIN |
| description | Polyglycidylether, die dadurch erhältlich sind, dass man Acetophenon mit 0,7 bis 1,4 Mol Formaldehyd pro Mol Acetophenon in Gegenwart eines alkalischen Katalysators bei einer Temperatur von 50-100°C zu einem carbonylgruppenhaltigen Acetophenon-Formaldehyd-Harz umsetzt, das carbonylgruppenhaltige Harz zu einem modifizierten hydroxylgruppenhaltigen Acetophenon-Formaldehyd-Harz hydriert, dieses Harz anschliessend mit Epichlorhydrin in Gegenwart eines Phasentransferkatalysators in den entsprechenden Polychlorhydrinether überführt, und diesen mit einer Base dehydrochloriert, eignen sich als Epoxidharze, z.B. für die Herstellung von Pulverlacken mit guter Chemiekalienbeständigkeit und Adhäsion. |
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| language | eng ; fre ; ger |
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| subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HETEROCYCLIC COMPOUNDS INKS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS |
| title | Modified acetophenone formaldehyde resins containing epoxy groups |
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