MANUFACTURE OF NON-DISSOCIABLE POLYURETHANE POWDER PAINT

A polyurethane powder enamel free of volatile cleavage products comprising an adduct of the uretidinedione dimer of isophorone diisocyanate with a diol, wherein the adduct has the formula +TR wherein R= X=NCO or R''=a divalent aliphatic, cycloaliphatic, aromatic or araliphatic hydrocarbon...

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Bibliographische Detailangaben
Hauptverfasser:	RAINERU GURAASU, YOOZEFU DEISUTERUDORUFU, HORUSUTO SHIYUNUURUBUTSUSHIYU
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:	A polyurethane powder enamel free of volatile cleavage products comprising an adduct of the uretidinedione dimer of isophorone diisocyanate with a diol, wherein the adduct has the formula +TR wherein R= X=NCO or R''=a divalent aliphatic, cycloaliphatic, aromatic or araliphatic hydrocarbon radical or a diol, n>1, and R'=a monoalcohol radical or primary or secondary monoamine radical with 1-30 C-atoms, wherein the NCO/OH ratio of the dimer to the diol is from 1:0.5 to 1:0.9, the dimer/diol molar ratio is from 2:1 to 6:5, the average molecular weight is between 550 and 4300, and the melting point is >/=70 DEG C. and /=98% -NCO groups, and a polyol having an OH functionality >/=3.4 to