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Polyisonitriles. II. Heterophasic catalytic synthesis of poly(α-phenylethylisonitrile) and of poly(n-hexylisonitrile) (1968)

Millich, Frank ; Sinclair, R. G.

New York : Wiley-Blackwell

Journal of Polymer Science Part A-1: Polymer Chemistry 6 (1968), S. 1417-1430

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Details

ISSN: 0449-296X

Schlagwort(e): Physics ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: A three-component catalytic system has been discovered, which successfully polymerizes α-phenylethylisonitrile to high polymer (DP = 200-900) and also polymerizes n-hexylisonitrile. The catalyst components are a strong acid, a free-radical source, and a heterophase and are all necessary in this system. The use of a liquid medium in which the polymer is insoluble promotes the rate of polymerization and total yield. Poly(α-phenylethylisonitrile), formed from monomer in a presence of oxygen and finely ground glass coated with sulfuric acid, can itself serve, in the presence of monomer and oxygen, as a catalyst for this polymerization. Preparative details and discussion of these synthesis factors are given.

Zusätzliches Material: 7 Tab.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/pol.1968.150060601

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