POLYVINYL FORMAL COATING

PURPOSE:To provide the titled coating with increased baking speed, by adding a specified catayst to a one-pack polyvinyl formal coating containing a stabilized polyisocyanate compd. CONSTITUTION:To a one-pack polyvinyl formal coating containing a polyisocyanate stabilized with xylenol, m-cresol, etc...

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Bibliographische Detailangaben
Hauptverfasser:	CHIYAHATA SUEJI, ITOU FUMIHITO, KOYAMA GUNZOU
Format:	Patent
Sprache:	eng
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 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 THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide the titled coating with increased baking speed, by adding a specified catayst to a one-pack polyvinyl formal coating containing a stabilized polyisocyanate compd. CONSTITUTION:To a one-pack polyvinyl formal coating containing a polyisocyanate stabilized with xylenol, m-cresol, etc., as a curing agent, is added 0.1- 30wt% (based on the amount of resin component) Zn or Sn org. carboxylate (e.g., Zn 2-ethylhexylhexanoute) as a catalyst. EFFECT:Baking speed is increased at the same oven temp. in comparison with conventional coatings and it is possible to obtain formal insulated wires excellent in resistance to moist-heat-aging exposure and oil-leaching properties.