Nitro-urea based blowing agents

Details Nitro-urea based blowing agents Nitro-urea based blowing agents

1986-03-18

1987-01-06

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252350, 264DIG5, 521 79, 521 94, 521125, 521909, C08J 910

Patent

active

046347216

ABSTRACT:
The present invention relates to an improved nitro urea compound specifically the zinc salt of nitro urea useful as a blowing agent composition, its preparation and its use.

REFERENCES:
patent: 2311784 (1943-02-01), Spaeth
patent: 2683696 (1954-07-01), Muller et al.
patent: 3111496 (1963-11-01), Hunter
patent: 3305496 (1967-02-01), Riley, Jr. et al.
patent: 3321413 (1967-05-01), Riley, Jr. et al.
patent: 3876622 (1975-04-01), Motokawa et al.
patent: 4462927 (1984-07-01), Hunter
patent: 4472536 (1984-09-01), Rowland et al.
patent: 4482650 (1984-11-01), Rowland et al.
patent: 4554294 (1985-11-01), Hunter
patent: 4585802 (1986-04-01), Hunter
"New Blowing Agents for Foaming Plastics", Reed, British Plastics, Oct. 1960, pp. 468-472.

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