2001
DOI: 10.1021/ma010865c
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Morphology and Enzymatic Degradation of Solution-Grown Single Crystals of Poly(ethylene succinate)

Abstract: Solution-grown lamellar single crystals of poly(ethylene succinate) (PES) were prepared from a 0.025% solution of monochlorobenzene under an isothermal crystallization condition. Lozengeshaped lamellar crystals with and without spiral growth were obtained at different crystallization temperature. The crystals produced well-resolved electron diffractograms. Polyethylene decoration of the crystals resulted in a "cross-sector" surface morphology and showed that the average direction of chainfolding is parallel to… Show more

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Cited by 66 publications
(55 citation statements)
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References 35 publications
(90 reference statements)
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“…These features support a micro-crystal structure that explains the striations observed in the studied polyesters. Studies of the morphological changes of lamellar crystals during enzymatic degradation have also been performed for different polyesters like poly(3-hydroxybutirate) [27,28], poly(3-caprolactone) [24] and poly(ethylene succinate) [29].…”
Section: Solution Grown Lamellar Crystalsmentioning
confidence: 99%
“…These features support a micro-crystal structure that explains the striations observed in the studied polyesters. Studies of the morphological changes of lamellar crystals during enzymatic degradation have also been performed for different polyesters like poly(3-hydroxybutirate) [27,28], poly(3-caprolactone) [24] and poly(ethylene succinate) [29].…”
Section: Solution Grown Lamellar Crystalsmentioning
confidence: 99%
“…[1] Solvent-growth single crystals in PESu reportedly exhibit a diamond shape with thickness ¼ 7-8 nm. [2] Upon crystallization at 80 8C, the single crystals can assume either a left-handed screw or right-handed screw morphology, to which the authors attributed to the six types of (chain conformations) in PESu leading to helical handedness effects. [3,4] Some polymer blends are miscible with strong interactions like H-bonding forces, such as poly(ethylene oxide) (PEO)/styrene-hydroxystyrene copolymer (SHS), [5] PEO/poly( p-vinyl phenol) (PVPh), [6] PEO/4,4 0 -diaminodiphenylsulfone (DDS), [6,7] PEO/ unsaturated polyester resin (PER) [8] and PEO/hydroquinine, [9] etc.…”
Section: Introductionmentioning
confidence: 99%
“…Single lamellar crystals obtained by crystallization from dilute solutions are ideal systems to detect how hydrolytic and/or enzymatic degradation of these crystalline phases takes place. Therefore, extensive studies have been performed with single crystals of different polyesters [30,31] including poly(ethylene succinate) [32], poly(butylene adipate) [33] and poly(octamethylene suberate) [34]. In some cases, enzymatic attack was observed to occur preferentially on determined crystal sectors, suggesting that both molecular packing and the nature of molecular folds play a crucial role in the enzymatic degradation process [34].…”
Section: Introductionmentioning
confidence: 99%