Potential utilization of recycled PET in comparison with liquid crystalline polymer as an additive for HDPE based composite fibers: Comparative investigation on mechanical performance of cross-ply laminates
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Supattra Kayaisang
und
Sunan Saikrasun
Abstract
Recycled polyethylene terephthalate (rPET) was used as an alternative reinforcing material for in situ microfibrillar-reinforced polyethylene (PE) based composite fibers and compared with liquid crystalline polymer (LCP). The neat PE and its composites reinforced with LCP and rPET microfibrils under the compatibilizing promotion of 5 wt% styrene-(ethylene butylene)-styrene-grafted maleic anhydride (SEBS-g-MA) compatibilizer, were prepared as fibers using a hot drawing process. Cross-ply laminates of the neat PE and the compatibilized composite fibers were then prepared using a film stacking method. The tensile, flexural and impact performances of each laminate system were examined and compared. Under tensile loading, no significant differences in the initial part of the stress-strain curves, and hence comparable tensile modulus (≈4 GPa) among all laminates, were observed. A difference was only seen in the final part of the curves. For flexural properties, the flexural moduli of the compatibilized LCP- and rPET-composite laminates were nearly the same (≈3 GPa). At high flexural strains (>1%), the different stress-strain behaviors of the laminates were clearly observed. Interestingly, the compatibilized rPET-composite laminate showed much better impact-resistance compared with PE- and compatibilized LCP-laminates. The results demonstrated a high potential for use of the rPET-composite fiber laminate in impact-resistant applications.
Financial support from the Center of Excellence for Innovation in Chemistry (PERCH-CIC), Office of the Higher Education Commission (OHEC), Ministry of Education, is gratefully acknowledged. We also would like to acknowledge Mahasarakham University (graduate grant: fiscal year 2012), the Higher Education Research Promotion and National Research Universities Development, and Faculty of Science, Mahasarakham University, for partial financial support.
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Artikel in diesem Heft
- Masthead
- Masthead
- Original articles
- Solvent-initiator compatibility and sensitivity of conversion of styrene homo-polymerization
- Synthesis and effect of secondary dopant on the conductivity of conducting polymer polyaniline
- Potential utilization of recycled PET in comparison with liquid crystalline polymer as an additive for HDPE based composite fibers: Comparative investigation on mechanical performance of cross-ply laminates
- Study on the effect of virgin and recycled chloroprene rubber (vCR and rCR) on the properties of natural rubber/chloroprene rubber (NR/CR) blends
- Synthesis of a novel silicone based copolymeric surfactant and application in emulsion polymerization
- Post-irradiation effects on gamma-irradiated nylon 6,12 fibers
- Preparation and properties of sodium alginate films
- Study on crystallization and compatibility of nitrile butadiene rubber (NBR)/polyoxymethlene (POM) blends modified by a polyether polyol
- Polyamide grafting onto ethylene-vinyl alcohol copolymer
- Acoustic parameter investigation of polyvinyl acetate with acetic acid using ultrasonic technique
- Electrospun cellulosic structure nanofibre based on rice straw
- Function of silicon oil in the castor oil based rigid polyurethane foams
