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Phase transfer catalysis in the polycondensation processes

✍ Scribed by N. Hurduc; V. Bulacovschi; Alexandrina Bordeianu; C. Simionescu

Publisher
Springer
Year
1992
Tongue
English
Weight
371 KB
Volume
28
Category
Article
ISSN
0170-0839

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πŸ“œ SIMILAR VOLUMES

Phase transfer catalysis of polycondensa
Phase transfer catalysis of polycondensation processesβ€”III. Liquid-crystalline properties of polyethers with oxetane pendant groups
✍ N. Hurduc; V. Bulacovschi; C. Simionescu πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 470 KB

Al~traet--The polycondensation of 3,3-bis(chloromethyl)oxacyclobutane with bisphenol-A under phase transfer conditions is reported a possible mesomorphism of these polymers is discussed. Investigations by optical polarization microscopy and DSC are described.

Phase transfer catalysis of polycondensa
Phase transfer catalysis of polycondensation processesβ€”V. Internal rotation energies in polyethers based on oxetane and bisphenol-A
✍ N. Hurduc; Gh. Surpateanu; V. Bulacovschi πŸ“‚ Article πŸ“… 1992 πŸ› Elsevier Science 🌐 English βš– 176 KB

A~tract--Rotation possibilities and rotational barriers in the polyether chain obtained from bisphenol-A with 3,3-bis(chloromethyl) oxetane were considered. From the computed values, it was concluded that in such structures the bisphenol-A unit might become mesogenic.

Microwave activation in phase transfer c
Microwave activation in phase transfer catalysis
✍ Sandrine Deshayes; Marion Liagre; AndrΓ© Loupy; Jean-Louis Luche; Alain Petit πŸ“‚ Article πŸ“… 1999 πŸ› Elsevier Science 🌐 French βš– 939 KB