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Polymers of carbonic acid, 26. Synthesis and ionic polymerization of 1,3-dioxane-2-thione

โœ Scribed by Hans R. Kricheldorf; Dirk-Olaf Damrau

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
520 KB
Volume
199
Category
Article
ISSN
1022-1352

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๐Ÿ“œ SIMILAR VOLUMES

Polymers of carbonic acid. XVII. Polymer
Polymers of carbonic acid. XVII. Polymerization of cyclobis(tetramethylene carbonate) by means of BuSnCl3 and Sn(II) 2-ethylhexanoate
โœ Hans R. Kricheldorf; Andreas Mahler ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 577 KB

Dimeric cyclotetramethylenecarbonate (TeMC)2 was polymerized in bulk at 185OC. Either nBuSnC1, or Sn(II)2-ethylhexanoate (SnOct2) were used as catalysts. SnOct, proved to be somewhat less reactive, but high yields (up to 93%) and high viscosities (qinh up to 0.85 dL/g) were obtained with both cataly