Study on co[poly(butylene terephthalate-
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Cheng-Fang Ou
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Article
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2000
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John Wiley and Sons
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English
โ 117 KB
๐ 2 views
Copolyesters made from Poly(butylene terephthalate) (PBT) and p-acetoxybenzoic acid (PAB) have been examined in solution by proton nuclear magnetic resonance (NMR) spectroscopy. Proton NMR spectra of solutions have shown that the sequence distribution for POB/PBT copolyesters can be described in ter