Properties of solutions of poly‐ N ‐vinylcaprolactam | Zendy

Solomon O. F. | Zendy; Corciovei M. | Zendy; Ciută I. | Zendy; Boghină C. | Zendy

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Properties of solutions of poly‐ N ‐vinylcaprolactam

Author(s) -

Solomon O. F.,

Corciovei M.,

Ciută I.,

Boghină C.

Publication year - 1968

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1968.070120804

Subject(s) - aqueous solution , polymer , precipitation , toluene , polymer solution , materials science , polymer chemistry , chemical engineering , chemistry , organic chemistry , physics , meteorology , engineering

The properties of poly‐ N ‐vinylcaprolactam organic and aqueous solutions were studied. Toluene solutions present an increasing [η] from 10 to 40°C. Aqueous solutions present a very accentuated diminishing of [η] from 10 to 30°C. Above 30°C. The polymer precipitates from its aqueous solutions. The precipitation temperature does not depend on the concentration but on the molecular weight of the polymer. Some acid and basic agents have a marked influence on [η] and the precipitation temperature of the aqueous solutions.

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