Co-operative and group motions in poly-3,3-bis(chloromethyl)oxetane
โ Scribed by M. Baccaredda; E. Butta; V. Frosini
- Publisher
- Elsevier Science
- Year
- 1966
- Tongue
- English
- Weight
- 417 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0014-3057
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๐ SIMILAR VOLUMES
The quasi-living cationic copolymerization of 3,3-bis(chloromethyl)oxetane (BCMO) and -caprolactone (-CL), using boron trifluoride etherate as catalyst and 1,4-butanediol as coinitiator, was investigated in methylene chloride at 0ยฐC. The resulting hydroxyl-ended copolymers exhibit a narrow molecular
## Abstract Two copolyethers were prepared by chemical modification of poly[3,3โbis(chloromethyl)oxetane] with sodium 4โcyanoโ4โฒโbiphenyl oxide, employing the concept of having the cyanobiphenyl species serve concomitantly as both the nonlinear optical chromophore and the mesogenic moiety in the po
Abstract~Copolycondensations of 3,3-bis(chloromethyl)oxetane with various diphenols under phase transfer conditions have been performed. The copolyethers show mesomorphism; investigations of their LC properties by optical polarization microscopy and DSC analyses were carried out.