JPH0562154B

PURPOSE:To obtain low-viscosity titled resin highly compatible with coating vehicle resin, by condensation of hydroxycarboxylic acid with a polymer of star-form structure derived from polyol and epsilon-caprolactone followed by introduction acidic group etc. into the resulting product. CONSTITUTION:...

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Bibliographische Detailangaben
1. Verfasser:	HIRASAWA YOJI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES INKS 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 PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain low-viscosity titled resin highly compatible with coating vehicle resin, by condensation of hydroxycarboxylic acid with a polymer of star-form structure derived from polyol and epsilon-caprolactone followed by introduction acidic group etc. into the resulting product. CONSTITUTION:(A) A polymer of star-form structure derived from the reaction between (i) >=3 hydroxyl groups bearing polyol (e.g. D-sorbitol) and (ii) epsilon-caprolactone and (B) a hydroxycarboxylic acid having both hydroxyl and carboxyl groups (e.g. l3-hydroxybutyric acid) are condensed so that the molar amounts [OH] and [COOH] for the components (A) and (B), respectively satisfy the equation: [COOH]/[OH]