1973
DOI: 10.1016/0032-3861(73)90045-1
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Equilibrium ring concentrations and the statistical conformations of polymer chains: Part 11. Cyclics in poly(ethylene terephthalate)

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Cited by 82 publications
(25 citation statements)
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“…Atomic parameters and temperature factors for non-hydrogen atomsa (6) 5.8 0.4457 (7) 7.2 0.4269 (8) 8.9 0.4061 (9) 8.6 0.4119 (8) 8.0 0.4083 (7) 7.4 0.4188 (9) 9.6 0.4187 (6) 6.8 0.3952 (6) 7.0 0.4134 (7) 7.0 0.4364( I 0) 6.2 0.4412 (6) 4.1 0.4490 (6) 4.5 0.4514 (6) 3.9 0.4503 (7) 4.2 0.4428 (1) 6. I 0.4418 (8) 5.3 0.4508 (6) 4.2 0.4747(13) 9.1 0.4210(14) 9.7 0.4159 (10) 6.1 0.4150 (6) 4.1 0.4227 (7) 4.9 0.4169 (7) 4.8 0.4110 (6) 3.7 0.4044(5) 3.8 0.4061 (7) 5.0 0.4135 (8) 5.0 0.4350(13) 8.2 0.4000(13) 9.0 0.4176 (10) 5.8 0.4130 ( 6) 4.0 0.4089 (8) 5.3 0.4043 (7) 4.9 D.4092 (5) 4.1 0.4137 (7) 4.6 0.4134 (4) 3.5 0.4111 (8) 5.4 0.4005( 15) 9.0 0.4581 (12) 7.2 " B,q is the equivalent isotropic temperature factor calculated from the anisotropic temperature coefficients24…”
Section: Structure Determinationmentioning
confidence: 99%
“…Atomic parameters and temperature factors for non-hydrogen atomsa (6) 5.8 0.4457 (7) 7.2 0.4269 (8) 8.9 0.4061 (9) 8.6 0.4119 (8) 8.0 0.4083 (7) 7.4 0.4188 (9) 9.6 0.4187 (6) 6.8 0.3952 (6) 7.0 0.4134 (7) 7.0 0.4364( I 0) 6.2 0.4412 (6) 4.1 0.4490 (6) 4.5 0.4514 (6) 3.9 0.4503 (7) 4.2 0.4428 (1) 6. I 0.4418 (8) 5.3 0.4508 (6) 4.2 0.4747(13) 9.1 0.4210(14) 9.7 0.4159 (10) 6.1 0.4150 (6) 4.1 0.4227 (7) 4.9 0.4169 (7) 4.8 0.4110 (6) 3.7 0.4044(5) 3.8 0.4061 (7) 5.0 0.4135 (8) 5.0 0.4350(13) 8.2 0.4000(13) 9.0 0.4176 (10) 5.8 0.4130 ( 6) 4.0 0.4089 (8) 5.3 0.4043 (7) 4.9 D.4092 (5) 4.1 0.4137 (7) 4.6 0.4134 (4) 3.5 0.4111 (8) 5.4 0.4005( 15) 9.0 0.4581 (12) 7.2 " B,q is the equivalent isotropic temperature factor calculated from the anisotropic temperature coefficients24…”
Section: Structure Determinationmentioning
confidence: 99%
“…[1][2][3] The presence of such cycles in the produced polyesters has detrimental effects on the mechanical and optical behavior of the material due to their plasticizing and nucleating properties. [4,5] Paradoxically cyclic oligoesters are receiving greater attention nowadays because of their interest as monomers for the synthesis of linear polyesters via ring opening polymerization reaction (ROP).…”
Section: Introductionmentioning
confidence: 99%
“…1 Linear oligomers are formed when ethylene glycol is condensed with terephthalic acid methyl ester. Because of their polar end groups, linear oligomers are partially water soluble, and hence, they do not produce much of a problem during the wet processing of polyester fibers.…”
Section: Introductionmentioning
confidence: 99%