Morphology and Mechanical Properties of Poly(Lactic Acid) and Propylene-Ethylene Copolymer Blends: Effect of Organoclay Types

Sirirat Wacharawichanant; Chaninthon Ounyai; Ployvaree Rassamee

doi:10.4028/www.scientific.net/KEM.737.269

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 737Morphology and Mechanical Properties of...

Morphology and Mechanical Properties of Poly(Lactic Acid) and Propylene-Ethylene Copolymer Blends: Effect of Organoclay Types

Abstract:

The effects of four types of organoclay on morphology and mechanical properties of poly(lactic acid) (PLA)/propylene-ethylene copolymer (PEC) blends were investigated. The ratio of PLA and PEC was 80/20 by weight and the organoclay content was 5 phr. The morphology analysis showed that the addition of all oganocaly types could improve the miscibility of PLA and PEC blends due to the decreased of the domain sizes of PEC dispersed phase in the polymer matrix. The tensile properties showed Young’s modulus of the PLA/PEC blends was improved after adding clay treated surface with 25-30 wt% trimethyl stearyl ammonium.

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Key Engineering Materials (Volume 737)

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269-274

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.737.269

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Online since:

June 2017

Authors:

Sirirat Wacharawichanant*, Chaninthon Ounyai, Ployvaree Rassamee

Keywords:

Mechanical Properties, Morphology, Organoclay, Poly(lactic acid), Propylene-Ethylene Copolymer

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