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- Title
Synergistic Influences of Stearic Acid Coating and Recycled PET Microfibers on the Enhanced Properties of Composite Materials.
- Authors
Nguyen, Dang Mao; Vu, Thi Nhung; Nguyen, Thi Mai Loan; Nguyen, Trinh Duy; Thuc, Chi Nhan Ha; Bui, Quoc Bao; Colin, Julien; Perré, Patrick
- Abstract
This study aims to produce novel composite artificial marble materials by bulk molding compound processes, and improve their thermal and mechanical properties. We employed stearic acid as an efficient surface modifying agent for CaCO3 particles, and for the first time, a pretreated, recycled, polyethylene terephthalate (PET) fibers mat is used to reinforce the artificial marble materials. The innovative aspects of the study are the surface treatment of CaCO3 particles by stearic acid. Stearic acid forms a monolayer shell, coating the CaCO3 particles, which enhances the compatibility between the CaCO3 particles and the matrix of the composite. The morphology of the composites, observed by scanning electron microscopy, revealed that the CaCO3 phase was homogeneously dispersed in the epoxy matrix under the support of stearic acid. A single layer of a recycled PET fibers mat was pretreated and designed in the core of the composite. As expected, these results indicated that the fibers could enhance flexural properties, and impact strength along with thermal stability for the composites. This combination of a pretreated, recycled, PET fibers mat and epoxy/CaCO3-stearic acid could produce novel artificial marble materials for construction applications able to meet environmental requirements.
- Subjects
STEARIC acid; MICROFIBERS; COMPOSITE materials; MECHANICAL properties of condensed matter; BULK solids; MOLDING materials; IMPACT strength
- Publication
Materials (1996-1944), 2020, Vol 13, Issue 6, p1461
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma13061461