URETHDIONE GROUP-CONTAINING POLYADDITION PRODUCT, PRODUCTION THEREOF AND CROSSLINKING COMPONENT FOR PRODUCTION OF POLYURETHANE POWDER COATING THEREFROM
Uretdione group-containing poly-addition products of formula (I), obtained by reacting isophorone di-isocyanate uretdione (IPDI-U) with di-sec. diamines, in which R = formula (II); R1 = R or a (cyclo)aliphatic linear or branched 2-16C alkylene group; R2 = 1-12C (cyclo)aliphatic hydrocarbyl or a grou...
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Zusammenfassung: | Uretdione group-containing poly-addition products of formula (I), obtained by reacting isophorone di-isocyanate uretdione (IPDI-U) with di-sec. diamines, in which R = formula (II); R1 = R or a (cyclo)aliphatic linear or branched 2-16C alkylene group; R2 = 1-12C (cyclo)aliphatic hydrocarbyl or a group of formula (III); R3, R4, R5 (sic) = 1-14C hydrocarbyl; n = 1-15. Also claimed is a process for the production of (I) by reacting (n + 1) mols IPDI-U with n mols di-sec. diamine at not above 40 [deg]C. |
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