ALIPHATIC DIISOCYANATE ADDUCT, ITS PRODUCTION, AND POWDERY THERMOSETTING MATERIAL

Aliphatic di-isocyanate adducts of formula BCONH(NHCONHR'NHCONHR(NCO))nNHCOB1-x (I), completely or partly blocked with epsilon -caprolactam (ECL) and chain-extended with aliphatic and/or cycloaliphatic diamines, in which R = -CH2-CHMe-(CH2)3-, -CH2-CHEt-(CH2)2-, -(CH2)6-, -CH2-CMe2-CH2-CHMe-CH2...

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Bibliographische Detailangaben
Hauptverfasser:	ERUMAARU BUORUFU, RAINAA GURAASU
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:	Aliphatic di-isocyanate adducts of formula BCONH(NHCONHR'NHCONHR(NCO))nNHCOB1-x (I), completely or partly blocked with epsilon -caprolactam (ECL) and chain-extended with aliphatic and/or cycloaliphatic diamines, in which R = -CH2-CHMe-(CH2)3-, -CH2-CHEt-(CH2)2-, -(CH2)6-, -CH2-CMe2-CH2-CHMe-CH2-CH2-, -CH2-CHMe-CH2-CMe2-CH2-CH2- or -(CH2)4-CHMe-(CH2)4-; R' = 2-16C alkylene or cycloalkylene; B = a group of formula (II); n = 1-3; and x = 0-0.5 are new. Also claimed are (i) a process for the production of (I), by reacting the di-isocyanate first with ECL at 80-150 degrees C and then adding the diamine in portions; (ii) heat-curable powder materials containing (a) 100 pts. wt. polymer with more than two OH groups, (b) 15-60 pts. wt. adduct (I), (c) 0-160 pts. wt. pigments, (d) 0-200 pts. wt. fillers, (e) 0-5 pts. wt. catalyst and (f) 0.5-5 pts. wt. flow improver; and (iii) adducts (I) obtained by reacting di-isocyanate with ECL and then with diamine.