Crystallization and homogeneous nucleation kinetics of poly (?-caprolactone)(PCL)with different molar masses. (Record no. 52585)
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| fixed length control field | 02658nam a2200253Ia 4500 |
| 003 - CONTROL NUMBER IDENTIFIER | |
| control field | MX-MdCICY |
| 005 - DATE AND TIME OF LATEST TRANSACTION | |
| control field | 20250625162412.0 |
| 040 ## - CATALOGING SOURCE | |
| Transcribing agency | CICY |
| 090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN) | |
| Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) | B-18433 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION | |
| fixed length control field | 250602s9999 xx |||||s2 |||| ||und|d |
| 245 10 - TITLE STATEMENT | |
| Title | Crystallization and homogeneous nucleation kinetics of poly (?-caprolactone)(PCL)with different molar masses. |
| 490 0# - SERIES STATEMENT | |
| Volume/sequential designation | Macromolecules, 45(9), p.3816-3828., 2012 |
| 520 3# - SUMMARY, ETC. | |
| Summary, etc. | The crystallization and nucleation kinetics of poly(?-caprolactones)(PCL)with molar masses between 1.4 and 6.1 kDa and negligible number of heterogeneous nuclei has been investigated by differential fast scanning calorimetry (DFSC)applying scanning rates up to 100?000 K/s. The samples were synthesized by ring-opening polymerization and chemically characterized by NMR spectroscopy, size exclusion chromatography (SEC), and multiangle laser light scattering (MALLS). For the smallest molar mass the chain length is comparable with the crystal thickness measured with small-angle X-ray scattering (SAXS), and extended chain like crystals may be formed. Because of the molar mass distribution (PDI ? 2), these crystals have a significant noncrystalline interface yielding nearly the same crystallinity for all molar masses. The critical cooling rate to obtain amorphous samples is below 1000 K/s and only for the lowest molar mass increased to 2000 K/s. The same trend holds for the about 1 order of magnitude higher critical heating rate to keep the samples amorphous on heating and for the analysis of isothermal nucleation and crystallization kinetics at 202 K. The samples which were shown not to contain heterogeneous nuclei active at a heating rate of >18?000 K/s were used for a study of the nucleation activity of ordered structures formed on annealing at low temperature. The analysis of the change of the thus-produced amorphous polymer samples on annealing from 202 to 272 K for times varying by a factor of more than 108 (0.1 ms to 8.3 h)revealed new details about the ordering processes (nucleation, poor crystal formation, crystallization, cold crystallization, and crystal perfection)and the accompanying changes in glass transition of the remaining amorphous phase (formation of rigid amorphous phases, RAF). |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical term or geographic name entry element | POLY(?-CAPROLACTONE) |
| 700 12 - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Wurm, A. |
| 700 12 - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Zhuravlev, E. |
| 700 12 - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Eckstein, K. |
| 700 12 - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Jehnichen, D. |
| 700 12 - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Pospiech, D. |
| 700 12 - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Androsch, R. |
| 700 12 - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Schick, C. |
| 856 40 - ELECTRONIC LOCATION AND ACCESS | |
| Uniform Resource Identifier | <a href="https://drive.google.com/file/d/1s44_PSMZ-2auxOAIWH9InSjsbcsHGaoy/view?usp=drivesdk">https://drive.google.com/file/d/1s44_PSMZ-2auxOAIWH9InSjsbcsHGaoy/view?usp=drivesdk</a> |
| Public note | Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Source of classification or shelving scheme | Clasificación local |
| Koha item type | Documentos solicitados |
| Lost status | Source of classification or shelving scheme | Damaged status | Not for loan | Collection | Home library | Current library | Shelving location | Date acquired | Total checkouts | Full call number | Date last seen | Price effective from | Koha item type |
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| Clasificación local | Ref1 | CICY | CICY | Documento préstamo interbibliotecario | 25.06.2025 | B-18433 | 25.06.2025 | 25.06.2025 | Documentos solicitados |