Process for the preparation of urea condensates and their use

Details Process for the preparation of urea condensates and their use Process for the preparation of urea condensates and their use

1983-10-31

1986-02-04

Pertilla, Theodore E.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

2041817, 428416, 523414, 524901, 524904, 525 55, 525403, 525437, 525467, 525490, 525540, 528367, 528368, C08L 6302

Patent

active

045687293

ABSTRACT:
The present invention relates to a process for the preparation of urea condensates and to their use.
To prepare these urea condensates, a primary di and/or polyamine is reacted with urea, a secondary monoamine and if appropriate a polyalcohol at elevated temperatures in the presence or absence of catalysts, and the ammonia formed is separated off.
These urea condensates are suitable as binder components in thermosetting surface coatings.

REFERENCES:
patent: 4104147 (1978-08-01), Marchetti et al.
patent: 4178427 (1979-12-01), Waddill et al.
R. Pasedag, Conference of the GDCh Specialist Group Macromolecular Chemistry in Bad Nauheim, 1966.

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