Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface
Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features...
Ausführliche Beschreibung
Autor*in: |
Xie, Qiongdan [verfasserIn] Li, Bingbing [verfasserIn] Esker, Alan R. [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2019 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Colloids and surfaces / A - Amsterdam [u.a.] : Elsevier Science, 1993, 587 |
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Übergeordnetes Werk: |
volume:587 |
DOI / URN: |
10.1016/j.colsurfa.2019.124346 |
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Katalog-ID: |
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520 | |a Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features of three-dimensional domains grown in the Langmuir films. A series of PCL-b-PtBA block copolymers synthesized for this study share the same PCL block with molecular weight of Mn = 7.5 kg•mol−1, while the length of PtBA blocks varies. Homogeneous Langmuir monolayers were formed at the A/W interface before reaching the dynamic collapse pressure of PCL blocks. The growth of PCL flat-on crystalline domains predominately took place during the plateau regime after the collapse transition, though nucleation process occurred prior to the collapse transition. The tethered PtBA blocks remain as a monolayer at the A/W interface prior to the second collapse pressure at ∼ 24 mN•m−1, which is comparable to the collapse pressure of PtBA homopolymer monolayer. Depending on the length of PtBA blocks, the block copolymer crystals exhibit morphological features from distorted hexagonal shape, truncated parallelogram, dendrites with defects, stripes, and nano-scale domains, suggesting that the tethered amorphous PtBA block significantly reduced the mobility and packing efficiency of PCL blocks during the crystallization of PCL-b-PtBA copolymers at the A/W interface. | ||
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10.1016/j.colsurfa.2019.124346 doi (DE-627)ELV00341261X (ELSEVIER)S0927-7757(19)31344-5 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Xie, Qiongdan verfasserin aut Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features of three-dimensional domains grown in the Langmuir films. A series of PCL-b-PtBA block copolymers synthesized for this study share the same PCL block with molecular weight of Mn = 7.5 kg•mol−1, while the length of PtBA blocks varies. Homogeneous Langmuir monolayers were formed at the A/W interface before reaching the dynamic collapse pressure of PCL blocks. The growth of PCL flat-on crystalline domains predominately took place during the plateau regime after the collapse transition, though nucleation process occurred prior to the collapse transition. The tethered PtBA blocks remain as a monolayer at the A/W interface prior to the second collapse pressure at ∼ 24 mN•m−1, which is comparable to the collapse pressure of PtBA homopolymer monolayer. Depending on the length of PtBA blocks, the block copolymer crystals exhibit morphological features from distorted hexagonal shape, truncated parallelogram, dendrites with defects, stripes, and nano-scale domains, suggesting that the tethered amorphous PtBA block significantly reduced the mobility and packing efficiency of PCL blocks during the crystallization of PCL-b-PtBA copolymers at the A/W interface. Langmuir monolayer Isotherms Polymer crystallization Poly(ε-caprolactone) Li, Bingbing verfasserin aut Esker, Alan R. verfasserin aut Enthalten in Colloids and surfaces / A Amsterdam [u.a.] : Elsevier Science, 1993 587 Online-Ressource (DE-627)306659956 (DE-600)1500517-3 (DE-576)098614843 1873-4359 nnns volume:587 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.18 Kolloidchemie Grenzflächenchemie 33.68 Oberflächen Dünne Schichten Grenzflächen Physik 52.78 Oberflächentechnik Wärmebehandlung 58.20 Chemische Technologien: Allgemeines AR 587 |
spelling |
10.1016/j.colsurfa.2019.124346 doi (DE-627)ELV00341261X (ELSEVIER)S0927-7757(19)31344-5 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Xie, Qiongdan verfasserin aut Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features of three-dimensional domains grown in the Langmuir films. A series of PCL-b-PtBA block copolymers synthesized for this study share the same PCL block with molecular weight of Mn = 7.5 kg•mol−1, while the length of PtBA blocks varies. Homogeneous Langmuir monolayers were formed at the A/W interface before reaching the dynamic collapse pressure of PCL blocks. The growth of PCL flat-on crystalline domains predominately took place during the plateau regime after the collapse transition, though nucleation process occurred prior to the collapse transition. The tethered PtBA blocks remain as a monolayer at the A/W interface prior to the second collapse pressure at ∼ 24 mN•m−1, which is comparable to the collapse pressure of PtBA homopolymer monolayer. Depending on the length of PtBA blocks, the block copolymer crystals exhibit morphological features from distorted hexagonal shape, truncated parallelogram, dendrites with defects, stripes, and nano-scale domains, suggesting that the tethered amorphous PtBA block significantly reduced the mobility and packing efficiency of PCL blocks during the crystallization of PCL-b-PtBA copolymers at the A/W interface. Langmuir monolayer Isotherms Polymer crystallization Poly(ε-caprolactone) Li, Bingbing verfasserin aut Esker, Alan R. verfasserin aut Enthalten in Colloids and surfaces / A Amsterdam [u.a.] : Elsevier Science, 1993 587 Online-Ressource (DE-627)306659956 (DE-600)1500517-3 (DE-576)098614843 1873-4359 nnns volume:587 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.18 Kolloidchemie Grenzflächenchemie 33.68 Oberflächen Dünne Schichten Grenzflächen Physik 52.78 Oberflächentechnik Wärmebehandlung 58.20 Chemische Technologien: Allgemeines AR 587 |
allfields_unstemmed |
10.1016/j.colsurfa.2019.124346 doi (DE-627)ELV00341261X (ELSEVIER)S0927-7757(19)31344-5 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Xie, Qiongdan verfasserin aut Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features of three-dimensional domains grown in the Langmuir films. A series of PCL-b-PtBA block copolymers synthesized for this study share the same PCL block with molecular weight of Mn = 7.5 kg•mol−1, while the length of PtBA blocks varies. Homogeneous Langmuir monolayers were formed at the A/W interface before reaching the dynamic collapse pressure of PCL blocks. The growth of PCL flat-on crystalline domains predominately took place during the plateau regime after the collapse transition, though nucleation process occurred prior to the collapse transition. The tethered PtBA blocks remain as a monolayer at the A/W interface prior to the second collapse pressure at ∼ 24 mN•m−1, which is comparable to the collapse pressure of PtBA homopolymer monolayer. Depending on the length of PtBA blocks, the block copolymer crystals exhibit morphological features from distorted hexagonal shape, truncated parallelogram, dendrites with defects, stripes, and nano-scale domains, suggesting that the tethered amorphous PtBA block significantly reduced the mobility and packing efficiency of PCL blocks during the crystallization of PCL-b-PtBA copolymers at the A/W interface. Langmuir monolayer Isotherms Polymer crystallization Poly(ε-caprolactone) Li, Bingbing verfasserin aut Esker, Alan R. verfasserin aut Enthalten in Colloids and surfaces / A Amsterdam [u.a.] : Elsevier Science, 1993 587 Online-Ressource (DE-627)306659956 (DE-600)1500517-3 (DE-576)098614843 1873-4359 nnns volume:587 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.18 Kolloidchemie Grenzflächenchemie 33.68 Oberflächen Dünne Schichten Grenzflächen Physik 52.78 Oberflächentechnik Wärmebehandlung 58.20 Chemische Technologien: Allgemeines AR 587 |
allfieldsGer |
10.1016/j.colsurfa.2019.124346 doi (DE-627)ELV00341261X (ELSEVIER)S0927-7757(19)31344-5 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Xie, Qiongdan verfasserin aut Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features of three-dimensional domains grown in the Langmuir films. A series of PCL-b-PtBA block copolymers synthesized for this study share the same PCL block with molecular weight of Mn = 7.5 kg•mol−1, while the length of PtBA blocks varies. Homogeneous Langmuir monolayers were formed at the A/W interface before reaching the dynamic collapse pressure of PCL blocks. The growth of PCL flat-on crystalline domains predominately took place during the plateau regime after the collapse transition, though nucleation process occurred prior to the collapse transition. The tethered PtBA blocks remain as a monolayer at the A/W interface prior to the second collapse pressure at ∼ 24 mN•m−1, which is comparable to the collapse pressure of PtBA homopolymer monolayer. Depending on the length of PtBA blocks, the block copolymer crystals exhibit morphological features from distorted hexagonal shape, truncated parallelogram, dendrites with defects, stripes, and nano-scale domains, suggesting that the tethered amorphous PtBA block significantly reduced the mobility and packing efficiency of PCL blocks during the crystallization of PCL-b-PtBA copolymers at the A/W interface. Langmuir monolayer Isotherms Polymer crystallization Poly(ε-caprolactone) Li, Bingbing verfasserin aut Esker, Alan R. verfasserin aut Enthalten in Colloids and surfaces / A Amsterdam [u.a.] : Elsevier Science, 1993 587 Online-Ressource (DE-627)306659956 (DE-600)1500517-3 (DE-576)098614843 1873-4359 nnns volume:587 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.18 Kolloidchemie Grenzflächenchemie 33.68 Oberflächen Dünne Schichten Grenzflächen Physik 52.78 Oberflächentechnik Wärmebehandlung 58.20 Chemische Technologien: Allgemeines AR 587 |
allfieldsSound |
10.1016/j.colsurfa.2019.124346 doi (DE-627)ELV00341261X (ELSEVIER)S0927-7757(19)31344-5 DE-627 ger DE-627 rda eng 540 DE-600 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Xie, Qiongdan verfasserin aut Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features of three-dimensional domains grown in the Langmuir films. A series of PCL-b-PtBA block copolymers synthesized for this study share the same PCL block with molecular weight of Mn = 7.5 kg•mol−1, while the length of PtBA blocks varies. Homogeneous Langmuir monolayers were formed at the A/W interface before reaching the dynamic collapse pressure of PCL blocks. The growth of PCL flat-on crystalline domains predominately took place during the plateau regime after the collapse transition, though nucleation process occurred prior to the collapse transition. The tethered PtBA blocks remain as a monolayer at the A/W interface prior to the second collapse pressure at ∼ 24 mN•m−1, which is comparable to the collapse pressure of PtBA homopolymer monolayer. Depending on the length of PtBA blocks, the block copolymer crystals exhibit morphological features from distorted hexagonal shape, truncated parallelogram, dendrites with defects, stripes, and nano-scale domains, suggesting that the tethered amorphous PtBA block significantly reduced the mobility and packing efficiency of PCL blocks during the crystallization of PCL-b-PtBA copolymers at the A/W interface. Langmuir monolayer Isotherms Polymer crystallization Poly(ε-caprolactone) Li, Bingbing verfasserin aut Esker, Alan R. verfasserin aut Enthalten in Colloids and surfaces / A Amsterdam [u.a.] : Elsevier Science, 1993 587 Online-Ressource (DE-627)306659956 (DE-600)1500517-3 (DE-576)098614843 1873-4359 nnns volume:587 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_2006 GBV_ILN_2008 GBV_ILN_2010 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_2088 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_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 35.18 Kolloidchemie Grenzflächenchemie 33.68 Oberflächen Dünne Schichten Grenzflächen Physik 52.78 Oberflächentechnik Wärmebehandlung 58.20 Chemische Technologien: Allgemeines AR 587 |
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Xie, Qiongdan @@aut@@ Li, Bingbing @@aut@@ Esker, Alan R. @@aut@@ |
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2019-01-01T00:00:00Z |
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540 DE-600 35.18 bkl 33.68 bkl 52.78 bkl 58.20 bkl Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface Langmuir monolayer Isotherms Polymer crystallization Poly(ε-caprolactone) |
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Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface |
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Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface |
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phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface |
title_auth |
Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface |
abstract |
Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features of three-dimensional domains grown in the Langmuir films. A series of PCL-b-PtBA block copolymers synthesized for this study share the same PCL block with molecular weight of Mn = 7.5 kg•mol−1, while the length of PtBA blocks varies. Homogeneous Langmuir monolayers were formed at the A/W interface before reaching the dynamic collapse pressure of PCL blocks. The growth of PCL flat-on crystalline domains predominately took place during the plateau regime after the collapse transition, though nucleation process occurred prior to the collapse transition. The tethered PtBA blocks remain as a monolayer at the A/W interface prior to the second collapse pressure at ∼ 24 mN•m−1, which is comparable to the collapse pressure of PtBA homopolymer monolayer. Depending on the length of PtBA blocks, the block copolymer crystals exhibit morphological features from distorted hexagonal shape, truncated parallelogram, dendrites with defects, stripes, and nano-scale domains, suggesting that the tethered amorphous PtBA block significantly reduced the mobility and packing efficiency of PCL blocks during the crystallization of PCL-b-PtBA copolymers at the A/W interface. |
abstractGer |
Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features of three-dimensional domains grown in the Langmuir films. A series of PCL-b-PtBA block copolymers synthesized for this study share the same PCL block with molecular weight of Mn = 7.5 kg•mol−1, while the length of PtBA blocks varies. Homogeneous Langmuir monolayers were formed at the A/W interface before reaching the dynamic collapse pressure of PCL blocks. The growth of PCL flat-on crystalline domains predominately took place during the plateau regime after the collapse transition, though nucleation process occurred prior to the collapse transition. The tethered PtBA blocks remain as a monolayer at the A/W interface prior to the second collapse pressure at ∼ 24 mN•m−1, which is comparable to the collapse pressure of PtBA homopolymer monolayer. Depending on the length of PtBA blocks, the block copolymer crystals exhibit morphological features from distorted hexagonal shape, truncated parallelogram, dendrites with defects, stripes, and nano-scale domains, suggesting that the tethered amorphous PtBA block significantly reduced the mobility and packing efficiency of PCL blocks during the crystallization of PCL-b-PtBA copolymers at the A/W interface. |
abstract_unstemmed |
Thermodynamic phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) (PCL-b-PtBA) block copolymers at the Air/Water (A/W) interface was studied by analyzing surface pressure-area isotherms. Optical microscopy and atomic force microscopy were utilized to reveal the morphological features of three-dimensional domains grown in the Langmuir films. A series of PCL-b-PtBA block copolymers synthesized for this study share the same PCL block with molecular weight of Mn = 7.5 kg•mol−1, while the length of PtBA blocks varies. Homogeneous Langmuir monolayers were formed at the A/W interface before reaching the dynamic collapse pressure of PCL blocks. The growth of PCL flat-on crystalline domains predominately took place during the plateau regime after the collapse transition, though nucleation process occurred prior to the collapse transition. The tethered PtBA blocks remain as a monolayer at the A/W interface prior to the second collapse pressure at ∼ 24 mN•m−1, which is comparable to the collapse pressure of PtBA homopolymer monolayer. Depending on the length of PtBA blocks, the block copolymer crystals exhibit morphological features from distorted hexagonal shape, truncated parallelogram, dendrites with defects, stripes, and nano-scale domains, suggesting that the tethered amorphous PtBA block significantly reduced the mobility and packing efficiency of PCL blocks during the crystallization of PCL-b-PtBA copolymers at the A/W interface. |
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Phase behavior of poly(ε-caprolactone)-b-poly(tert-butyl acrylate) block copolymer at the air/water interface |
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|
score |
7.4015865 |