High molecular weight polycationics
β Scribed by W. G. Lloyd; J. F. Vitkuske
- Publisher
- John Wiley and Sons
- Year
- 1962
- Tongue
- English
- Weight
- 256 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0021-8995
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Solid-state thermal polymerization of isolated Bisphenol A type macrocyclic oligocarbonates was carried out. The ring-opening polymerization progressed without any catalyst. Dimer (c-2mer) could be completely converted to the corresponding aromatic polycarbonate by heating at 300 Β°C for 10 min. In c
A comprehensive investigation of the die drawing technology of a high molecular weight polyethylene (HMWPE) rod has been carried out. The effect of draw temperature, draw speed, nominal draw ratio, and exit diameter of the dies has been studied. The oriented HMWPE products were characterized mainly