Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend

Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallizat...
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Autor*in:	Banpean, Apisit [verfasserIn] Takagi, Hideaki [verfasserIn] Shimizu, Nobutaka [verfasserIn] Igarashi, Noriyuki [verfasserIn] Sakurai, Shinichi [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Small-angle X-ray scattering Wide-angle X-ray scattering Poly(L-lactic acid) Poly(ethylene glycol) Confined crystallization

Übergeordnetes Werk:	Enthalten in: Polymer - Oxford : Elsevier Science, 1960, 229
Übergeordnetes Werk:	volume:229

DOI / URN:	10.1016/j.polymer.2021.123971

Katalog-ID:	ELV006386784

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520			\|a Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallization at 45.0 °C for PEG crystallization in the presence of preformed PLLA crystalline lamellae formed during the previous isothermal crystallization at 127.0 °C for 5–20 min. The WAXS results showed much suppression of the ( 12 4 ¯ ) / ( 1 ¯ 24 ) crystalline reflection peak for the blend as compared to the neat PEG, as well as much wider peak width for the same reflection. These results clearly indicate the suppression of the growth of the PEG lamellae in the thickness direction due to the space confinement by the preformed PLLA lamellae. The SAXS results also confirm the confined crystallization of PEG in the amorphous layer sandwiched by the preformed PLLA crystalline lamellae. Nevertheless, more regular stacking was formed due to the PEG crystallization as the neat PEG has the ability of forming very regular stacking of the crystalline lamellae, as evidenced by observing second-order peak in the SAXS profile for the blend specimen.
650		4	\|a Small-angle X-ray scattering
650		4	\|a Wide-angle X-ray scattering
650		4	\|a Poly(L-lactic acid)
650		4	\|a Poly(ethylene glycol)
650		4	\|a Confined crystallization
700	1		\|a Takagi, Hideaki \|e verfasserin \|4 aut
700	1		\|a Shimizu, Nobutaka \|e verfasserin \|4 aut
700	1		\|a Igarashi, Noriyuki \|e verfasserin \|4 aut
700	1		\|a Sakurai, Shinichi \|e verfasserin \|4 aut
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936	b	k	\|a 35.80 \|j Makromolekulare Chemie
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matchkey_str	article:00323861:2021----::mladienlxasatrnsuisnofndrsalztooplehlngyoiplla
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bklnumber	35.80 51.70 58.22
publishDate	2021
allfields	10.1016/j.polymer.2021.123971 doi (DE-627)ELV006386784 (ELSEVIER)S0032-3861(21)00594-2 DE-627 ger DE-627 rda eng 540 DE-600 35.80 bkl 51.70 bkl 58.22 bkl Banpean, Apisit verfasserin aut Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallization at 45.0 °C for PEG crystallization in the presence of preformed PLLA crystalline lamellae formed during the previous isothermal crystallization at 127.0 °C for 5–20 min. The WAXS results showed much suppression of the ( 12 4 ¯ ) / ( 1 ¯ 24 ) crystalline reflection peak for the blend as compared to the neat PEG, as well as much wider peak width for the same reflection. These results clearly indicate the suppression of the growth of the PEG lamellae in the thickness direction due to the space confinement by the preformed PLLA lamellae. The SAXS results also confirm the confined crystallization of PEG in the amorphous layer sandwiched by the preformed PLLA crystalline lamellae. Nevertheless, more regular stacking was formed due to the PEG crystallization as the neat PEG has the ability of forming very regular stacking of the crystalline lamellae, as evidenced by observing second-order peak in the SAXS profile for the blend specimen. Small-angle X-ray scattering Wide-angle X-ray scattering Poly(L-lactic acid) Poly(ethylene glycol) Confined crystallization Takagi, Hideaki verfasserin aut Shimizu, Nobutaka verfasserin aut Igarashi, Noriyuki verfasserin aut Sakurai, Shinichi verfasserin aut Enthalten in Polymer Oxford : Elsevier Science, 1960 229 Online-Ressource (DE-627)32051613X (DE-600)2013972-X (DE-576)093888422 0032-3861 nnns volume:229 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.80 Makromolekulare Chemie 51.70 Polymerwerkstoffe Kunststoffe Werkstoffkunde 58.22 Kunststofftechnologie AR 229
spelling	10.1016/j.polymer.2021.123971 doi (DE-627)ELV006386784 (ELSEVIER)S0032-3861(21)00594-2 DE-627 ger DE-627 rda eng 540 DE-600 35.80 bkl 51.70 bkl 58.22 bkl Banpean, Apisit verfasserin aut Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallization at 45.0 °C for PEG crystallization in the presence of preformed PLLA crystalline lamellae formed during the previous isothermal crystallization at 127.0 °C for 5–20 min. The WAXS results showed much suppression of the ( 12 4 ¯ ) / ( 1 ¯ 24 ) crystalline reflection peak for the blend as compared to the neat PEG, as well as much wider peak width for the same reflection. These results clearly indicate the suppression of the growth of the PEG lamellae in the thickness direction due to the space confinement by the preformed PLLA lamellae. The SAXS results also confirm the confined crystallization of PEG in the amorphous layer sandwiched by the preformed PLLA crystalline lamellae. Nevertheless, more regular stacking was formed due to the PEG crystallization as the neat PEG has the ability of forming very regular stacking of the crystalline lamellae, as evidenced by observing second-order peak in the SAXS profile for the blend specimen. Small-angle X-ray scattering Wide-angle X-ray scattering Poly(L-lactic acid) Poly(ethylene glycol) Confined crystallization Takagi, Hideaki verfasserin aut Shimizu, Nobutaka verfasserin aut Igarashi, Noriyuki verfasserin aut Sakurai, Shinichi verfasserin aut Enthalten in Polymer Oxford : Elsevier Science, 1960 229 Online-Ressource (DE-627)32051613X (DE-600)2013972-X (DE-576)093888422 0032-3861 nnns volume:229 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.80 Makromolekulare Chemie 51.70 Polymerwerkstoffe Kunststoffe Werkstoffkunde 58.22 Kunststofftechnologie AR 229
allfields_unstemmed	10.1016/j.polymer.2021.123971 doi (DE-627)ELV006386784 (ELSEVIER)S0032-3861(21)00594-2 DE-627 ger DE-627 rda eng 540 DE-600 35.80 bkl 51.70 bkl 58.22 bkl Banpean, Apisit verfasserin aut Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallization at 45.0 °C for PEG crystallization in the presence of preformed PLLA crystalline lamellae formed during the previous isothermal crystallization at 127.0 °C for 5–20 min. The WAXS results showed much suppression of the ( 12 4 ¯ ) / ( 1 ¯ 24 ) crystalline reflection peak for the blend as compared to the neat PEG, as well as much wider peak width for the same reflection. These results clearly indicate the suppression of the growth of the PEG lamellae in the thickness direction due to the space confinement by the preformed PLLA lamellae. The SAXS results also confirm the confined crystallization of PEG in the amorphous layer sandwiched by the preformed PLLA crystalline lamellae. Nevertheless, more regular stacking was formed due to the PEG crystallization as the neat PEG has the ability of forming very regular stacking of the crystalline lamellae, as evidenced by observing second-order peak in the SAXS profile for the blend specimen. Small-angle X-ray scattering Wide-angle X-ray scattering Poly(L-lactic acid) Poly(ethylene glycol) Confined crystallization Takagi, Hideaki verfasserin aut Shimizu, Nobutaka verfasserin aut Igarashi, Noriyuki verfasserin aut Sakurai, Shinichi verfasserin aut Enthalten in Polymer Oxford : Elsevier Science, 1960 229 Online-Ressource (DE-627)32051613X (DE-600)2013972-X (DE-576)093888422 0032-3861 nnns volume:229 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.80 Makromolekulare Chemie 51.70 Polymerwerkstoffe Kunststoffe Werkstoffkunde 58.22 Kunststofftechnologie AR 229
allfieldsGer	10.1016/j.polymer.2021.123971 doi (DE-627)ELV006386784 (ELSEVIER)S0032-3861(21)00594-2 DE-627 ger DE-627 rda eng 540 DE-600 35.80 bkl 51.70 bkl 58.22 bkl Banpean, Apisit verfasserin aut Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallization at 45.0 °C for PEG crystallization in the presence of preformed PLLA crystalline lamellae formed during the previous isothermal crystallization at 127.0 °C for 5–20 min. The WAXS results showed much suppression of the ( 12 4 ¯ ) / ( 1 ¯ 24 ) crystalline reflection peak for the blend as compared to the neat PEG, as well as much wider peak width for the same reflection. These results clearly indicate the suppression of the growth of the PEG lamellae in the thickness direction due to the space confinement by the preformed PLLA lamellae. The SAXS results also confirm the confined crystallization of PEG in the amorphous layer sandwiched by the preformed PLLA crystalline lamellae. Nevertheless, more regular stacking was formed due to the PEG crystallization as the neat PEG has the ability of forming very regular stacking of the crystalline lamellae, as evidenced by observing second-order peak in the SAXS profile for the blend specimen. Small-angle X-ray scattering Wide-angle X-ray scattering Poly(L-lactic acid) Poly(ethylene glycol) Confined crystallization Takagi, Hideaki verfasserin aut Shimizu, Nobutaka verfasserin aut Igarashi, Noriyuki verfasserin aut Sakurai, Shinichi verfasserin aut Enthalten in Polymer Oxford : Elsevier Science, 1960 229 Online-Ressource (DE-627)32051613X (DE-600)2013972-X (DE-576)093888422 0032-3861 nnns volume:229 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.80 Makromolekulare Chemie 51.70 Polymerwerkstoffe Kunststoffe Werkstoffkunde 58.22 Kunststofftechnologie AR 229
allfieldsSound	10.1016/j.polymer.2021.123971 doi (DE-627)ELV006386784 (ELSEVIER)S0032-3861(21)00594-2 DE-627 ger DE-627 rda eng 540 DE-600 35.80 bkl 51.70 bkl 58.22 bkl Banpean, Apisit verfasserin aut Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallization at 45.0 °C for PEG crystallization in the presence of preformed PLLA crystalline lamellae formed during the previous isothermal crystallization at 127.0 °C for 5–20 min. The WAXS results showed much suppression of the ( 12 4 ¯ ) / ( 1 ¯ 24 ) crystalline reflection peak for the blend as compared to the neat PEG, as well as much wider peak width for the same reflection. These results clearly indicate the suppression of the growth of the PEG lamellae in the thickness direction due to the space confinement by the preformed PLLA lamellae. The SAXS results also confirm the confined crystallization of PEG in the amorphous layer sandwiched by the preformed PLLA crystalline lamellae. Nevertheless, more regular stacking was formed due to the PEG crystallization as the neat PEG has the ability of forming very regular stacking of the crystalline lamellae, as evidenced by observing second-order peak in the SAXS profile for the blend specimen. Small-angle X-ray scattering Wide-angle X-ray scattering Poly(L-lactic acid) Poly(ethylene glycol) Confined crystallization Takagi, Hideaki verfasserin aut Shimizu, Nobutaka verfasserin aut Igarashi, Noriyuki verfasserin aut Sakurai, Shinichi verfasserin aut Enthalten in Polymer Oxford : Elsevier Science, 1960 229 Online-Ressource (DE-627)32051613X (DE-600)2013972-X (DE-576)093888422 0032-3861 nnns volume:229 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2411 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.80 Makromolekulare Chemie 51.70 Polymerwerkstoffe Kunststoffe Werkstoffkunde 58.22 Kunststofftechnologie AR 229
language	English
source	Enthalten in Polymer 229 volume:229
sourceStr	Enthalten in Polymer 229 volume:229
format_phy_str_mv	Article
bklname	Makromolekulare Chemie Polymerwerkstoffe Kunststoffe Kunststofftechnologie
institution	findex.gbv.de
topic_facet	Small-angle X-ray scattering Wide-angle X-ray scattering Poly(L-lactic acid) Poly(ethylene glycol) Confined crystallization
dewey-raw	540
isfreeaccess_bool	false
container_title	Polymer
authorswithroles_txt_mv	Banpean, Apisit @@aut@@ Takagi, Hideaki @@aut@@ Shimizu, Nobutaka @@aut@@ Igarashi, Noriyuki @@aut@@ Sakurai, Shinichi @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	32051613X
dewey-sort	3540
id	ELV006386784
language_de	englisch
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author	Banpean, Apisit
spellingShingle	Banpean, Apisit ddc 540 bkl 35.80 bkl 51.70 bkl 58.22 misc Small-angle X-ray scattering misc Wide-angle X-ray scattering misc Poly(L-lactic acid) misc Poly(ethylene glycol) misc Confined crystallization Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend
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topic_title	540 DE-600 35.80 bkl 51.70 bkl 58.22 bkl Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend Small-angle X-ray scattering Wide-angle X-ray scattering Poly(L-lactic acid) Poly(ethylene glycol) Confined crystallization
topic	ddc 540 bkl 35.80 bkl 51.70 bkl 58.22 misc Small-angle X-ray scattering misc Wide-angle X-ray scattering misc Poly(L-lactic acid) misc Poly(ethylene glycol) misc Confined crystallization
topic_unstemmed	ddc 540 bkl 35.80 bkl 51.70 bkl 58.22 misc Small-angle X-ray scattering misc Wide-angle X-ray scattering misc Poly(L-lactic acid) misc Poly(ethylene glycol) misc Confined crystallization
topic_browse	ddc 540 bkl 35.80 bkl 51.70 bkl 58.22 misc Small-angle X-ray scattering misc Wide-angle X-ray scattering misc Poly(L-lactic acid) misc Poly(ethylene glycol) misc Confined crystallization
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title	Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend
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title_full	Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend
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author_browse	Banpean, Apisit Takagi, Hideaki Shimizu, Nobutaka Igarashi, Noriyuki Sakurai, Shinichi
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title_sort	small- and wide-angle x-ray scattering studies on confined crystallization of poly(ethylene glycol) in poly(l-lactic acid) spherulite in a plla/peg blend
title_auth	Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend
abstract	Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallization at 45.0 °C for PEG crystallization in the presence of preformed PLLA crystalline lamellae formed during the previous isothermal crystallization at 127.0 °C for 5–20 min. The WAXS results showed much suppression of the ( 12 4 ¯ ) / ( 1 ¯ 24 ) crystalline reflection peak for the blend as compared to the neat PEG, as well as much wider peak width for the same reflection. These results clearly indicate the suppression of the growth of the PEG lamellae in the thickness direction due to the space confinement by the preformed PLLA lamellae. The SAXS results also confirm the confined crystallization of PEG in the amorphous layer sandwiched by the preformed PLLA crystalline lamellae. Nevertheless, more regular stacking was formed due to the PEG crystallization as the neat PEG has the ability of forming very regular stacking of the crystalline lamellae, as evidenced by observing second-order peak in the SAXS profile for the blend specimen.
abstractGer	Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallization at 45.0 °C for PEG crystallization in the presence of preformed PLLA crystalline lamellae formed during the previous isothermal crystallization at 127.0 °C for 5–20 min. The WAXS results showed much suppression of the ( 12 4 ¯ ) / ( 1 ¯ 24 ) crystalline reflection peak for the blend as compared to the neat PEG, as well as much wider peak width for the same reflection. These results clearly indicate the suppression of the growth of the PEG lamellae in the thickness direction due to the space confinement by the preformed PLLA lamellae. The SAXS results also confirm the confined crystallization of PEG in the amorphous layer sandwiched by the preformed PLLA crystalline lamellae. Nevertheless, more regular stacking was formed due to the PEG crystallization as the neat PEG has the ability of forming very regular stacking of the crystalline lamellae, as evidenced by observing second-order peak in the SAXS profile for the blend specimen.
abstract_unstemmed	Confined crystallization of the poly(ethylene glycol) (PEG) in poly(L-lactic acid) (PLLA) spherulite in a PLLA/PEG (50/50) blend specimen was studied by simultaneous small- and wide-angle X-ray scattering (SAXS/WAXS) measurements, where the blend specimen was subjected to the isothermal crystallization at 45.0 °C for PEG crystallization in the presence of preformed PLLA crystalline lamellae formed during the previous isothermal crystallization at 127.0 °C for 5–20 min. The WAXS results showed much suppression of the ( 12 4 ¯ ) / ( 1 ¯ 24 ) crystalline reflection peak for the blend as compared to the neat PEG, as well as much wider peak width for the same reflection. These results clearly indicate the suppression of the growth of the PEG lamellae in the thickness direction due to the space confinement by the preformed PLLA lamellae. The SAXS results also confirm the confined crystallization of PEG in the amorphous layer sandwiched by the preformed PLLA crystalline lamellae. Nevertheless, more regular stacking was formed due to the PEG crystallization as the neat PEG has the ability of forming very regular stacking of the crystalline lamellae, as evidenced by observing second-order peak in the SAXS profile for the blend specimen.
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title_short	Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend
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author2	Takagi, Hideaki Shimizu, Nobutaka Igarashi, Noriyuki Sakurai, Shinichi
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doi_str	10.1016/j.polymer.2021.123971
up_date	2024-07-06T21:12:20.473Z
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Small- and wide-angle X-ray scattering studies on confined crystallization of Poly(ethylene glycol) in Poly(L-lactic acid) spherulite in a PLLA/PEG blend

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