Poly(lactic acid)/natural rubber/kenaf biocomposites production using poly(methyl methacrylate) and epoxidized natural rubber as co-compatibilizers

2021 ◽  
Author(s):  
Nur Fazreen Alias ◽  
Hanafi Ismail ◽  
Ku Marsilla Ku Ishak
Keyword(s):  
Lactic Acid ◽  
Natural Rubber ◽  
Methyl Methacrylate ◽  
Epoxidized Natural Rubber ◽  
Poly Lactic Acid ◽  
Poly Methyl Methacrylate

scholarly journals Biocomposites of Epoxidized Natural Rubber/Poly(lactic acid) Modified with Natural Fillers (Part I)

2021 ◽  
Vol 22 (6) ◽  
pp. 3150
Author(s):  
Anna Masek ◽  
Stefan Cichosz ◽  
Małgorzata Piotrowska
Keyword(s):  
Tensile Strength ◽  
Lactic Acid ◽  
Natural Rubber ◽  
Epoxidized Natural Rubber ◽  
Poly Lactic Acid ◽  
Uv Aging ◽  
High Elasticity ◽  
Natural Fillers ◽  
Natural Additives

The study aimed to prepare sustainable and degradable elastic blends of epoxidized natural rubber (ENR) with poly(lactic acid) (PLA) that were reinforced with flax fiber (FF) and montmorillonite (MMT), simultaneously filling the gap in the literature regarding the PLA-containing polymer blends filled with natural additives. The performed study reveals that FF incorporation into ENR/PLA blend may cause a significant improvement in tensile strength from (10 ± 1) MPa for the reference material to (19 ± 2) MPa for the fibers-filled blend. Additionally, it was found that MMT employment in the role of the filler might contribute to ENR/PLA plasticization and considerably promote the blend elongation up to 600%. This proves the successful creation of the unique and eco-friendly PLA-containing polymer blend exhibiting high elasticity. Moreover, thanks to the performed accelerated thermo-oxidative and ultraviolet (UV) aging, it was established that MMT incorporation may delay the degradation of ENR/PLA blends under the abovementioned conditions. Additionally, mold tests revealed that plant-derived fiber addition might highly enhance the ENR/PLA blend’s biodeterioration potential enabling faster and more efficient growth of microorganisms. Therefore, materials presented in this research may become competitive and eco-friendly alternatives to commonly utilized petro-based polymeric products.

3D printing of copper particles and poly(methyl methacrylate) beads containing poly(lactic acid) composites for enhancing thermomechanical properties

2020 ◽  
Vol 138 (5) ◽  
pp. 49776
Author(s):  
Minh Canh Vu ◽  
Tae‐Hyeong Jeong ◽  
Jun‐Beom Kim ◽  
Won Kook Choi ◽  
Dae Hoon Kim ◽  
...  
Keyword(s):  
Lactic Acid ◽  
3D Printing ◽  
Methyl Methacrylate ◽  
Thermomechanical Properties ◽  
Poly Lactic Acid ◽  
Poly Methyl Methacrylate ◽  
Copper Particles
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