Toughness improvement of poly(lactic acid) with poly(vinyl propionate)‐grafted natural rubber

2021 ◽  
pp. 50980
Author(s):  
Ruedee Jaratrotkamjorn ◽  
Varaporn Tanrattanakul
Keyword(s):  
Lactic Acid ◽  
Natural Rubber ◽  
Poly Lactic Acid ◽  
Vinyl Propionate ◽  
Toughness Improvement

Improvement of mechanical and impact performance of poly(lactic acid) by renewable modified natural rubber

2020 ◽  
Vol 276 ◽  
pp. 123800
Author(s):  
Wasan Tessanan ◽  
Ratana Chanthateyanonth ◽  
Masayuki Yamaguchi ◽  
Pranee Phinyocheep
Keyword(s):  
Lactic Acid ◽  
Natural Rubber ◽  
Poly Lactic Acid ◽  
Impact Performance

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.

Thermal and bio-disintegration properties of poly(lactic acid)/natural rubber/organoclay nanocomposites

2014 ◽  
Vol 93-94 ◽  
pp. 78-84 ◽  
Author(s):  
Natacha Bitinis ◽  
Elena Fortunati ◽  
Raquel Verdejo ◽  
Ilaria Armentano ◽  
Luigi Torre ◽  
...  
Keyword(s):  
Lactic Acid ◽  
Natural Rubber ◽  
Poly Lactic Acid

The effect of epoxide content on compatibility of poly(lactic acid)/epoxidized natural rubber blends

2020 ◽  
Vol 137 (34) ◽  
pp. 48996 ◽  
Author(s):  
Jenjira Klinkajorn ◽  
Varaporn Tanrattanakul
Keyword(s):  
Lactic Acid ◽  
Natural Rubber ◽  
Epoxidized Natural Rubber ◽  
Poly Lactic Acid ◽  
Rubber Blends

The role of multiwall carbon nanotubes on physical, mechanical and rheological properties of poly(lactic acid)/natural rubber/CNT hybrid systems

2020 ◽  
pp. 096739112093135
Author(s):  
Mohammad Mahdi Salehi ◽  
Fatemeh Hakkak
Keyword(s):  
Lactic Acid ◽  
Natural Rubber ◽  
Rheological Properties ◽  
Droplet Size ◽  
Multiwall Carbon Nanotubes ◽  
Droplet Size Distribution ◽  
Hybrid Nanocomposites ◽  
Poly Lactic Acid ◽  
Melt Mixing

The main objective of the present work was to study the role of carbon nanotube (CNT) on the microstructure development and physical, mechanical, and rheological properties of poly(lactic acid) (PLA)/natural rubber (NR)/CNT hybrid nanocomposites. The PLA/NR blend samples with constant blend ratio (90/10) were prepared by melt mixing in a laboratory internal mixer at a temperature of 190°C. The behavior of the PLA/NR blend was examined depending on the CNT content (0.5–6 wt%). The droplet size and droplet size distribution of the NR phase decreases with the increase in CNTs content. This could be explained in terms of compatibilizing effect of CNT and the changing of the viscosity ratio of the blend phases. The development of the microstructure and the physical properties of the blend were also investigated according to the CNT contents by measuring the linear viscoelasticity. The elongational behavior and mechanical properties of the blends were strongly dependent on the location of the CNT. The CNT worked as an efficient compatibilizer and also it worked as a reinforcing filler making the matrix more rigid.

Reactive Mixing and Mechanical Property of Poly(lactic acid)/Epoxidized Natural Rubber Blend

2015 ◽  
Vol 72 (3) ◽  
pp. 124-129
Author(s):  
Yoshimasa YAMAMOTO ◽  
Takuya ISHIDA ◽  
Phan Trung NGHIA ◽  
Lina FUKUHARA ◽  
Kenichiro KOSUGI ◽  
...  
Keyword(s):  
Mechanical Property ◽  
Lactic Acid ◽  
Natural Rubber ◽  
Epoxidized Natural Rubber ◽  
Poly Lactic Acid ◽  
Rubber Blend ◽  
Reactive Mixing
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