Crystal orientation function of poly(trimethylene terephthalate) by wide-angle x-ray diffraction
SummaryA wide-angle X-ray diffraction method for measuring poly(trimethylene terephthalate) (PTT) crystal orientation function was described. It was based on Wilchinsky's treatment of uniaxial orientation. Although PTT has a low symmetry triclinic cell only one equatorial reflection is needed f...
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| Veröffentlicht in: | Polymer bulletin (Berlin, Germany) Germany), 2001-05, Vol.46 (4), p.307-313 |
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| container_title | Polymer bulletin (Berlin, Germany) |
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| creator | CHUAH, Hoe H CHANG, Benjamin T. A |
| description | SummaryA wide-angle X-ray diffraction method for measuring poly(trimethylene terephthalate) (PTT) crystal orientation function was described. It was based on Wilchinsky's treatment of uniaxial orientation. Although PTT has a low symmetry triclinic cell only one equatorial reflection is needed for the measurement because the unit cell β-angle happened to be 90°, and there is a strong 010 reflection. The choice of unit cell parameters from the conflicting literature data and the reduction of Wilchinsky's equation into a simple form allowing the measurement of only one reflection were presented. The discrepancies between literature wide-angle X-ray and electron diffraction unit cell volumes and crystal densities were also discussed. |
| doi_str_mv | 10.1007/s002890170061 |
| format | Article |
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The discrepancies between literature wide-angle X-ray and electron diffraction unit cell volumes and crystal densities were also discussed.</description><subject>Applied sciences</subject><subject>Crystal structure</subject><subject>Electron diffraction</subject><subject>Exact sciences and technology</subject><subject>Measurement methods</subject><subject>Organic polymers</subject><subject>Physicochemistry of polymers</subject><subject>Properties and characterization</subject><subject>Reflection</subject><subject>Structure, morphology and analysis</subject><subject>Terephthalate</subject><subject>Unit cell</subject><subject>X-ray diffraction</subject><issn>0170-0839</issn><issn>1436-2449</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpVkDtPwzAUhS0EEqUwsluCAQaDrx3b8YgqXlIlFpiD69g0VUiC7Qry73EfA0z3oe-eq3MQOgd6A5Sq20gpKzUFRamEAzSBgkvCikIfoslmS2jJ9TE6iXFF8ywlTND7LIwxmRb3oXFdMqnpO-zXnd02vcdD345XKTSfLi3H1nUOJxfcsExL05rkrvFixN9N7YjpPlqHf0gwI64b74PZapyiI2_a6M72dYreHu5fZ09k_vL4PLubE8s0S8QBZVBLXXoJ3tZ1qQC40aLgIAuvuBVeUAGu5EKUxlipFp7JbEoJCkZ4PkUXO90h9F9rF1O16tehyy8rpkGVirJCZ4rsKBv6GIPz1ZCtmTBWQKtNiNW_EDN_uVc10Zo2m-psE_8cSZVh_guFAnDp</recordid><startdate>20010501</startdate><enddate>20010501</enddate><creator>CHUAH, Hoe H</creator><creator>CHANG, Benjamin T. 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| issn | 0170-0839 1436-2449 |
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| subjects | Applied sciences Crystal structure Electron diffraction Exact sciences and technology Measurement methods Organic polymers Physicochemistry of polymers Properties and characterization Reflection Structure, morphology and analysis Terephthalate Unit cell X-ray diffraction |
| title | Crystal orientation function of poly(trimethylene terephthalate) by wide-angle x-ray diffraction |
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