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A Novel Photochromic Film by Oxidation Polymerization of a Bisbenzothienylethene with Phenol Groups

โœ Scribed by K. Uchida; A. Takata; M. Saito; A. Murakami; S. Nakamura; M. Irie

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
158 KB
Volume
15
Category
Article
ISSN
0935-9648

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A novel synthesis of polyethers with pendant hydroxyl groups by polyaddition of bis(oxetane)s with bis(phenol)s
โœ Tadatomi Nishikubo; Atsushi Kameyama; Muneharu Ito; Tomoe Nakajima; Haruo Miyaza ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 167 KB ๐Ÿ‘ 2 views

The polyaddition of 1,4-bis [(3-ethyl-3-oxetanyl)methoxymethyl]benzene (BEOB) with 3,3ะˆ,5,5ะˆ-tetrachlorobisphenol A (TCBPA) was examined with or without catalysts. High molecular weight polymer (polymers 1) (M n ฯญ 13,600) with pendant primary hydroxyl groups was obtained in a 99% yield without any g