Nylon polycondensate from diamino phosphonate

Details Nylon polycondensate from diamino phosphonate Nylon polycondensate from diamino phosphonate

1977-05-31

1979-11-27

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

260 312N, 260940, 260942, 260944, 528 72, 528370, 528399, C08G 6926

Patent

active

041762258

ABSTRACT:
This invention concerns the preparation of dinitrile phosphonates, as well as their hydrolysis into the corresponding diacids, and reduction into the corresponding diamines. These compounds can be used, in particular, to make polyamides, polyurethanes or polyurates fireproof, as well as to increase their adhesive properties.

REFERENCES:
patent: 2668800 (1954-02-01), Johnston
patent: 3043810 (1962-07-01), Deichert et al.
patent: 3108991 (1963-10-01), Pellon et al.
patent: 3365427 (1968-01-01), Ballentine et al.

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