| 摘要 |
A novel uncrosslinked, hyperbranched polylysine (PL1) of weight average molecular weight Mw above 10000 is obtained by catalytic reaction of (A) a salt of lysine with an acid; and optionally also (B) an aminoacid other than lysine; (C) a di- or poly-carboxylic acid or copolymerizable derivative; and/or (D) a di- or poly-amine or copolymerizable derivative. Independent claims are also included for (1) the above reaction carried out at below 180[deg]C; (2) production of an uncrosslinked, hyperbranched polylysine (PL2) by reacting components (a) - (d) above together with (e) a solvent at 120-200[deg]C in presence of (f) a catalyst comprising (f1) a tertiary amine and amidine, (f2) a basic alkali(ne earth) metal- or quaternary ammonium-salt or (f3) an alkanolate, alkanoate, chelate or organometallic compound of a Group IIIA - VIIIA or Group IB - VB metal; and (3) a modified polylysine (PL3) obtained by reacting a polylysine produced by any method with a compound containing an acid, isocyanate, keto or anhydride group or an activated double bond or with an alkylene oxide, a mono-, di- or higher-functional amine- or acid-terminated polyalkylene oxide, an alkylating reagent, an (un)saturated long-chain carboxylic acid, an amino group-reactive derivative of such an acid, an aliphatic or aromatic isocyanate, a trialkylsilyl halide, a perfluoroalkyl halide or a perfluoroalkyl carboxylic acid. |
