Partially deacylated ultra-high molecular weight poly(N-propiony

Details Partially deacylated ultra-high molecular weight poly(N-propiony Partially deacylated ultra-high molecular weight poly(N-propiony

1983-01-03

1985-01-08

Anderson, Harold D.

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

Synthetic resins

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

525411, 525540, 528417, 528423, 528424, C08G 7300

Patent

active

044927886

ABSTRACT:
Ultra-high molecular weight poly(N-propionylethylenimines) are disclosed that are useful as water purification agents. The polymers of this invention include partially deacylated poly(N-propionylethylenimines) derived from poly(N-propionylethylenimines) having a weight average molecular weight, M.sub.w, between about 1 million and about 20 million. The polymers have a degree of deacylation that ranges from about 10% to about 90%.

REFERENCES:
patent: 3483141 (1969-12-01), Litt et al.
patent: 3833521 (1974-09-01), Karbstein et al.
patent: 4104228 (1978-08-01), Meyer et al.
Kenneth M. Kem, "Kinetics of the Hydrolysis of Linear Poly[(acylimino)ethylenes]," Journal of Polymer Science: Polymer Chemistry Edition, vol. 17, 1977-1990, (1979).

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