The strength of particulate polymer composite: A new insight on crystallinity and structural morphology

Author:

Yazid Hafizal1ORCID,Anwar Umar A.2,Sabtu Maria2,Murshidi Julie Andrianny1,Zali Nurazila M.1,Dris Zakaria1,Chen Ruey Shan2,Ahmad Sahrim2,M. Zin M. Rawi1

Affiliation:

1. Material Technology Group, Industrial Technology Division Malaysian Nuclear Agency Kajang Selangor Malaysia

2. Faculty of Science and Technology Universiti Kebangsaan Malaysia Kajang Selangor Malaysia

Abstract

AbstractWe have demonstrated the significant impact of high density polyethylene (HDPE) crystallinity and structural morphology on the tensile strength of 60/40 NR/HDPE polymer blend composites. Introducing nanoscale Boron Carbide (B4C‐type compounds) fillers noticeably changed the crystallinity and morphology of HDPE, leading to the formation of fine spherulites. Conversely, microscale fillers mainly impacted the crystallinity while preserving a coarse architecture. Although both composites experienced a reduction in crystallinity, the nanocomposites outperformed microcomposites and even the pristine polymer blend in terms of strength, implying the effect of a fine structure. The nanocomposite with a filler loading of 2 wt% exhibited the highest strength. This investigation provides novel insights into the interplay between crystallinity, HDPE structure, and the size of fillers, which heavily influence the strength of polymer blend composites.

Funder

Ministry of Higher Education, Malaysia

Publisher

Wiley

Subject

Materials Chemistry,Polymers and Plastics,Surfaces, Coatings and Films,General Chemistry

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