Structural Development and Properties of Melt Spun Poly(butylene succinate) and Poly(butylene terephthalate-co-succinate-co-adipate) Biodegradable Fibers
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X. Q. Shi
Abstract
High-speed melt spinning of biodegradable aliphatic polyester poly(butylene succinate) (PBS), and aliphatic-aromatic copolyester poly(butylene terephthalate-co-succinate-co-adipate) (PBTSA) was carried out. The effects of spinning conditions on the structural development of PBS and PBTSA fibers were investigated through the measurements on on-line velocity profile, birefringence, wide-angle X-ray diffraction (WAXD), differential scanning calorimetry, and tensile test. Both PBS and PBTSA fibers showed well-developed crystal structure in WAXD patterns, though the deformation of the spinline continued down to the position of winding suggesting that substantial orientation induced crystallization did not occur in spinline of both cases. Increasing take-up velocity or decreasing extrusion temperature led to the enhancement of molecular orientation, crystal structure and mechanical property of both PBS and PBTSA fibers, but no distinct effect on the thermal property of those fibers. The melting temperature of PBTSA fibers was at ca.115°C, same as that of PBS fibers. Elastomeric property of hard-soft units consisting PBTSA fibers leads to its good recoverability; however, this behavior lowers the initial modulus and tensile strength compared with those of the corresponding aliphatic PBS fibers.
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© 2006, Hanser Publishers, Munich
Artikel in diesem Heft
- Contents
- Contents
- Editorial
- Dedication of the Special Issue of International Polymer Processing in Honor of Prof. James Lindsay White, Editor Emeritus and Founding Editor
- Invited Papers
- Melt Compounding of Polymeric Nanocomposites
- Experiments and Analysis of Effect of Calender Gaps on Melting of PVC Powders in an Intermeshing Counter-rotating Twin-screw Extruder
- Quantitative Analysis for Polymer Degradation in the Extrusion Process
- Visualization of Flow Instabilities for High Density Polyethylene
- Heat Transfer through Metal Walls of Finite Thickness
- Simulation and Experimental Verification of Crystallization and Birefringence in Melt Spinning of PET
- Structural Development and Properties of Melt Spun Poly(butylene succinate) and Poly(butylene terephthalate-co-succinate-co-adipate) Biodegradable Fibers
- External Calibration in PA12 Tube Extrusion
- Tubular Film Extrusion Stability of Metallocene Linear Low Density Polyethylene
- Multilayer Barrier Film of Biaxially Oriented PA6/EVOH by Double Bubble Tubular Film Process
- PPS News
- PPS News
- Seikei-Kakou Abstracts
- Seikei-Kakou Abstracts
Artikel in diesem Heft
- Contents
- Contents
- Editorial
- Dedication of the Special Issue of International Polymer Processing in Honor of Prof. James Lindsay White, Editor Emeritus and Founding Editor
- Invited Papers
- Melt Compounding of Polymeric Nanocomposites
- Experiments and Analysis of Effect of Calender Gaps on Melting of PVC Powders in an Intermeshing Counter-rotating Twin-screw Extruder
- Quantitative Analysis for Polymer Degradation in the Extrusion Process
- Visualization of Flow Instabilities for High Density Polyethylene
- Heat Transfer through Metal Walls of Finite Thickness
- Simulation and Experimental Verification of Crystallization and Birefringence in Melt Spinning of PET
- Structural Development and Properties of Melt Spun Poly(butylene succinate) and Poly(butylene terephthalate-co-succinate-co-adipate) Biodegradable Fibers
- External Calibration in PA12 Tube Extrusion
- Tubular Film Extrusion Stability of Metallocene Linear Low Density Polyethylene
- Multilayer Barrier Film of Biaxially Oriented PA6/EVOH by Double Bubble Tubular Film Process
- PPS News
- PPS News
- Seikei-Kakou Abstracts
- Seikei-Kakou Abstracts
