Mechanical properties of filled NR/LLDPE blends

Mechanical properties of filled NR/LLDPE blends

Effects of filler (carbon black N110, silica and calcium carbonate) on the mechanical properties of natural rubber (NR) / linear low-density polyethylene (LLDPE) blends have been investigated. The blends were prepared by melt blending in a Haake 6 Rheomix at 140�C, 15 min mixing time and a rotor spe...

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Bibliographic Details
Main Authors: Ahmad A., Mohd D.H., Abdullah I.
Other Authors: 16306307100
Format: Article
Published: 2023
Subjects:
Carbon filler
Gel content
Mechanical properties
NR/LLDPE blends
Physical testing
Abrasion
Agglomeration
Blending
Calcium compounds
Carbon black
Gels
Low density polyethylenes
Melting
Reinforcement
Silica
Surface treatment
Carbon fillers
Haake Rheomix
Melt blending
Polymer matrix
Swelling index
Rubber
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Institution: Universiti Tenaga Nasional
Description
Summary:Effects of filler (carbon black N110, silica and calcium carbonate) on the mechanical properties of natural rubber (NR) / linear low-density polyethylene (LLDPE) blends have been investigated. The blends were prepared by melt blending in a Haake 6 Rheomix at 140�C, 15 min mixing time and a rotor speed of 50 rpm. Fillers were incorporated into the blends for 10-60 vol.%. The mechanical and physical properties of the, blends were found dependent on the filler characterization. Swelling index and elongation-at-break showed a decreasing trend with increasing volume percent of filler loading in the blend. The significant changes in other physical properties included the gel content, and bound rubber of the samples indicated a strong interaction between the filler I particles and polymer matrix. In conclusion, mean agglomerate particles size and polymer-filler interaction are the factors determining the mechanical and physical properties of NR/LLDPE blends.

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