Condensation product prepared from N,N'-ethylene-urea and formal

Details Condensation product prepared from N,N'-ethylene-urea and formal Condensation product prepared from N,N'-ethylene-urea and formal

1981-04-02

1982-12-14

Phynes, Lucille M.

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

Synthetic resins

From aldehyde or derivative thereof as reactant

524593, 524597, 528252, C08G 200, C08G 1234

Patent

active

043639062

ABSTRACT:
There is disclosed a solid and water-insoluble condensation product of N,N'-ethyleneurea with formaldehyde, having the structure ##STR1## wherein n is an integer from 20 to 60 with a mean value of 41, and having an average number molecular weight M.sub.n ranging from 2000 to 6000. Said product, when added to a polymer in combination with an ammonium phosphate, results in the production of articles which are resistant to heat and to thermo-oxidation.

REFERENCES:
patent: 2518963 (1950-08-01), Weaver
patent: 3641196 (1972-02-01), Sander et al.
patent: 3836605 (1974-09-01), Ricker et al.
patent: 4193945 (1980-03-01), Bertelli et al.

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