Crystal structure of poly(butylene-2,6-naphthalate)

The two crystal structures of poly(butylene-2,6-naphthalate) (PBN) have been determined by X-ray diffraction. The space group is P 1 for both forms. The unit cell parameters of the B form are a = 4.55 A ̊ , b = 6.43 A ̊ , c (fibre axis) = 15.31 A ̊ , α = 110.1, β = 121.1 and γ = 100.6. The major dif...

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Bibliographic Details
Published in:Polymer (Guilford) 1998, Vol.39 (18), p.4385-4391
Main Authors: Koyano, Hirotoshi, Yamamoto, Yuzo, Saito, Yasushi, Yamanobe, Takeshi, Komoto, Tadashi
Format: Article
Language:English
Subjects:
Applied sciences
conformation
crystal structure
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
poly(butylene-2,6-naphthalate)
Properties and characterization
Structure, morphology and analysis
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Summary:The two crystal structures of poly(butylene-2,6-naphthalate) (PBN) have been determined by X-ray diffraction. The space group is P 1 for both forms. The unit cell parameters of the B form are a = 4.55 A ̊ , b = 6.43 A ̊ , c (fibre axis) = 15.31 A ̊ , α = 110.1, β = 121.1 and γ = 100.6. The major difference in crystal structure between the A and B forms lies in the conformation of four methylene group sequences: SG TGS for the A form and TST S T for the B form.
ISSN:0032-3861
1873-2291
DOI:10.1016/S0032-3861(97)00618-6