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Chamkure, Yogeshwar K. Sharma, Rakesh K.
Published in
Journal of Polymer Research
The new pendent bisphenol containing flourene unit, 1,1-bis-[(4-hydroxyphenyl)-1-(9H-fluoren-2-yl)]ethane (BHPFE) are synthesized from commercially available 2-acetylfluorene and phenol and then utilized for the synthesis of three new kinds of polyarylates by phase-transfer catalyzed interfacial polycondensation technique with two different benzene...
Perepelkin, K. E.
Published in
Fibre Chemistry
The current types of ultrastrong and high-modulus fibres made from linear fibre-forming polymers — structure, principles of fabrication, properties, and basic areas of application — are examined. Most of the attention is focused on carbocyclic and heterocyclic para-aramid fibres, whose production capacities have reached 60,000 tons a year, the feat...
Bol’shakov, M. N. Rudaya, L. I. Klimova, N. V. Andreeva, L. N. Bushin, S. V. Shamanin, V. V. Skorokhodov, S. S.
Published in
Polymer Science Series A
The synthesis and comparative study of mesomorphic properties of aromatic polyesters containing the nonlinear T-shaped mesogenic sequences based on 1,4-dihydroxy-2-benzoylbenzene and hinge heteroatoms—oxygen (polyester I) or sulfur (polyester II)—have been performed. Polyester II lacks liquid-crystalline properties, in contrast to the oxygen-contai...
