Rigid-Rod Polyesters with Flexible Side Chains Based on 1,4-Dialkyl Esters of Pyromellitic Acid and 4,4'-Biphenol. 5. High-Resolution 13C NMR Studies for Crystalline and Liquid Crystalline Layered Phases
Keyword(s):
13C Nmr
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Keyword(s):
Keyword(s):