filled with zeolite, uncoated and coated with stearic acid, were prepared. The stearic acid is verified as a coupling agent by how much effect it has
on the various properties such as mechanical, thermal, morphological, and rheological measurements. The incorporation of stearic acid on the
zeolite surface improved the flexibility of polymer matrices. In particular in the LLDPE and HDPE composites, the increase in the area of the air
holes and decrease in the number of the air holes by merging among neighboring air holes was prominent upon higher filler loading, therefore
resulted in enhanced modulus, elongation and impact properties.Blending polymers or composites offers an attractive
alternative in developing new polymeric materials. Particularly, compounding fillers with thermoplastic materials in order
to introduce a desired property is a conventional practice and
useful method [1–11]. Not only mineral fillers such as CaCO3
[3,6], silica, clays, mica, talc, but also metallic fillers such as
aluminum [9], chromium, copper, iron, nickel.
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