On the optimization of caprolactam polymerization
β Scribed by H.K. Reimschuessel; K. Nagasubramanian
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 777 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0009-2509
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π SIMILAR VOLUMES
The theories on the cationic polymerization of caprolactam, at temperatures above the melting point of the polymer, are compared and discussed. The results of fractionations and molecular weight distributions, carried out on polymers prepared with caprolactam hydrochloride as initiator under anhydro
## Abstract A method to determine the concentration of Ο΅βaminocaproic acid (ACA) in polyβΟ΅βcaprolactam by highβpressure liquid chromatography is established. The polymerizations for initial water concentrations of 0.42, 0.82, and 1.18 mol/kg and temperatures of 230, 240, 250, 260, 270, and 280Β°C we