Effect of LCP and rPET as Reinforcing Materials on Rheology, Morphology, and Thermal Properties of in situ Microfibrillar-Reinforced Elastomer Composites

SAIKRASUN, Sunan ; LIMPISAWASDI, Panpirada ; et al.

In: Journal of applied polymer science (Print), Jg. 112 (2009), Heft 4, S. 1897-1908

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Microfibrillar-reinforced elastomer composites based on two dispersed phases, liquid crystalline polymer (LCP) and recycled poly(ethylene terephthalate)(rPET), and styrene-(ethylene butylene)-styrene (SEBS) were prepared using extrusion process. The rheological behavior, morphology, and thermal stability of SEBS/LCP and SEBS/ rPET blends containing various dispersed phase contents were investigated. All blends and LCP exhibited shear thinning behavior, whereas Newtonian fluid behavior was observed for rPET. The incorporation of both LCP and rPET into SEBS significantly improved the processability by bringing down the melt viscosity of the blend system. The fibrillation of LCP dispersed phase was clearly observed in asextruded strand with addition of LCP up to 20-30 wt %. Although the viscosity ratio of SEBS/rPET system is very low (0.03), rPET domains mostly appeared as droplets in asextruded strand. The results obtained from thermogravimetric analysis suggested that an addition of LCP and rPET into the elastomer matrix improved the thermal resistance significantly in air but not in nitrogen. The simultaneous DSC profiles revealed that the thermal degradation of all polymers examined were endothermic and exothermic in nitrogen and in air, respectively.

Titel:	Effect of LCP and rPET as Reinforcing Materials on Rheology, Morphology, and Thermal Properties of in situ Microfibrillar-Reinforced Elastomer Composites
Autor/in / Beteiligte Person:	SAIKRASUN, Sunan ; LIMPISAWASDI, Panpirada ; AMORNSAKCHAI, Taweechai
Link:	Full Text Finder (Volltext) View record from PASCAL Archive
Zeitschrift:	Journal of applied polymer science (Print), Jg. 112 (2009), Heft 4, S. 1897-1908
Veröffentlichung:	Hoboken, NJ: Wiley, 2009
Medientyp:	academicJournal
Umfang:	print, 39 ref
ISSN:	0021-8995 (print)
Schlagwort:	Polymers, paint and wood industries Polymères, industries des peintures et bois Sciences exactes et technologie Exact sciences and technology Sciences appliquees Applied sciences Industrie des polymeres, peintures, bois Polymer industry, paints, wood Technologie des polymères Technology of polymers Formes d'application et semiproduits Forms of application and semi-finished materials Matériaux composites Composites Benzoate(hydroxy) copolymère Benzoate(hydroxy) copolymer Benzoate(hidroxi) copolímero Caoutchouc thermoplastique Thermoplastic rubber Caucho termoplástico Composite in situ In situ composite Copolymère triséquencé Triblock copolymer Copolímero trisecuencia Effet composition Composition effect Efecto composición Ester copolymère Ester copolymer Ester copolímero Ester polymère Ester polymer Ester polímero Etat thermotrope Thermotropic state Estado termotropo Ethylène téréphtalate copolymère Ethylene terephthalate copolymer Etileno tereftalato copolímero Ethylène téréphtalate polymère Ethylene terephthalate polymer Etileno tereftalato polímero Etude expérimentale Experimental study Estudio experimental Extrusion Extrusión Matériau recyclé Recycled material Material reciclado Matériau renforcé fibre Fiber reinforced material Material reforzado fibra Microfibrille Microfibril Microfibrilla Morphologie Morphology Morfología Mélange polymère Polymer blends Polymère cristal liquide Liquid crystal polymers Propriété mécanique Mechanical properties Propiedad mecánica Propriété rhéologique Rheological properties Propiedad reológica SEBS Stabilité thermique Thermal stability Estabilidad térmica Viscosité cisaillement Shear viscosity Viscosidad cizalla composites elastomer liquid crystalline polymer (LCP) recycled PET (rPET) thermal degradation thermal stability
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Department of Chemistry and Center of Excellence for Innovation in Chemistry, Mahasarakham University, Mahasarakham 44150, Thailand ; Center for Alternative Energy, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Mahidol University, Bangkok 10400, Thailand Rights: Copyright 2015 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Polymer industry, paints, wood

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