Process for preparing mono and polyaspartates

Details Process for preparing mono and polyaspartates Process for preparing mono and polyaspartates

1997-06-25

1998-10-13

Mosley, Terressa

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528335, 528422, C08G 6926

Patent

active

058213260

ABSTRACT:
The present invention relates to a new process for preparing mono and polyaspartates from primary mono and polyamines and maleates in presence of five-membered aromatic ring compounds containing nitrogen atoms in the ring structure as catalysts and use of these mono and polyaspartates as reactive components for polyisocyanates in two-component polyurethane coating compositions and for preparing polyurethane prepolymers.

REFERENCES:
patent: 5126170 (1992-06-01), Zwiener et al.
patent: 5214086 (1993-05-01), Mormile et al.
patent: 5236741 (1993-08-01), Zwiener et al.
patent: 5243012 (1993-09-01), Wicks et al.
patent: 5364955 (1994-11-01), Zwiener et al.
patent: 5412056 (1995-05-01), Zweiner et al.
patent: 5489704 (1996-02-01), Squiller et al.
patent: 5623045 (1997-04-01), Zwiener et al.
Organikum, p. 502, 16 edition, VEB Deutscher Verlag der Wissenschaft, Berlin (month unavailable) 1986.

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