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Digitale Medien

The role of metal chelates in polymerization initiation. II. Cupric chelates (1963)

Bond, Joan ; Hobson, D. B.

New York : Wiley-Blackwell

Journal of Polymer Science Part A: General Papers 1 (1963), S. 2185-2188

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Details

ISSN: 0449-2951

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Physik

Notizen: The polyaminocarboxylic acids, nitrilotriacetic acid (NTA), ethylenediaminetetraacetic acid (EDTA), cyclohexanediaminetetraacetic acid (CDTA), and diethylenetriaminepentaacetic acid (DTPA) have been used to chelate the cupric ion when the system cupric ion - hydrogen peroxide is used as an initiator for the emulsion polymerization of styrene. The same maximum zero order rate of polymerization of approximately 60% conversion/hr. is obtained in all cases, although with NTA this occurs from pH 3-6 while with EDTA, CDTA, and DTPA the maximum occurs in the regions pH 4-7, pH 3-7, and pH 6.5-9.5, respectively.

Zusätzliches Material: 1 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/pol.1963.100010638

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