Thermal degradation of Aceh’s bentonite reinforced poly lactic acid (PLA) based on renewable resources for packaging application

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The use of agents in the form of nanochitosan to develop active bioplastics offers a new way to modify the transport properties and release of active compounds while increasing the mechanical resistance and compatibility between polymers. This study aims to study the effect of mixing two polymers in the form of polylactic acid (PLA) and polycaprolactone (PCL) as a matrix and 10% (w/v) filler. The matrix for bioplastic film-forming was prepared by mixing 8 g PLA and 2 g PCL. The internal film and surface microstructures were characterized by scanning electron microscopy (SEM) and interactions between the particles using FT-IR. Mechanical physical properties were reviewed using ASTM D638. The results show that amount of filler composition promotes a significant change in the microstructure of the film and is associated with to improve properties. The amount of nanochitosan (0.9 g) and catechin (0.1) was homogeneously distributed. As a consequence. However, when the filler composition is varied in other quantities, the tensile strength will fluctuate.

Section: Results and Discussion 31 Tensile Strengthmentioning

confidence: 99%

“…The ability of one liquid to completely dissolve in another liquid solvent is referred to as miscibility. Suryani et al (2018) When we have a miscible solution, no distinct layer between the two liquids forms. Thus, immiscibility occurs when a distinct layer forms in a mixed solution.…”

Section: Sem Characterization Of Bioplasticmentioning

confidence: 99%

Compatibilization Study of Blending Polymers Pla-PCL With Fillers Catechin-Chitosan as New Materials for Bioplastic Manufacture

Salim¹,

Rihayat²,

Fitria

et al. 2022

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“…This accelerates the movement of molecules so that the adsorption process occurs faster. Suryani et al (2018) This phenomenon is caused by cavitation (nucleation, growth, and collapse of small gas bubbles) and high-pressure variations induced during ultrasonic irradiation. Soltani et al (2016)…”

Section: Effect Of Contact Timementioning

confidence: 99%

Removal of Hg(ii) Metal Ions Using Kaolin Adsorbents Modified With Anionic Surfactant and Efficient Ultrasonic Assisted

Putra¹,

Zaimahwati²,

Syahyadi³

et al. 2021

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This study reported the reduction of metal Hg(II) from water using natural kaolinite (NK) based adsorbents compared with modified kaolinite adsorbents with Hexadecyl trimethyl ammonium bromide anionic surfactants using ultrasonic technology (SMK). These adsorbent samples were characterized using several different techniques such as FTIR, X-RD and AAS analysis. The adsorption capacity is influenced by variables such as the contact time and adsorben dosage. The results of the analysis reported that the maximum waste reduction efficiency occurs in modified kaolin (SMK), where adsorption occurs faster than natural kaolin (NK). The maximum persentation is 94.57% for metal removal efficiency using modified kaolin at the contact time of 45 minutes and the dose of adsobene 1.4 g, while kaolin without modification is 73.83% of efficiency at the contact time of 60 minutes the adsobent dose was 1.4 g. The use of the adsorption method with the help of ultrasonic technology is proven to be more efficient in accelerating the removal of Hg2+ ions by increasing the surface dispersion of the adsorbent with metal ions in water. The adsorption kinetics model that is suitable for calculating the adsorption capacity of the adsorbent in the removal of Hg2+ ions using unmodified kaolin is pseudo-second-order models.

“…In the last few decades, much research on biocomposites consisting of plant fibers and biogradable polymers have been carried out. Suryani et al (2018) Coir (coconut coir) was apparently used as a thermoplastic reinforcement with the aim of increasing the poor surface adhesion between fiber and starch with a high polar character. Suryani et al (2018).…”

Section: Introductionmentioning

confidence: 99%

“…Suryani et al (2018) Coir (coconut coir) was apparently used as a thermoplastic reinforcement with the aim of increasing the poor surface adhesion between fiber and starch with a high polar character. Suryani et al (2018). Therefore, in this study coir was used as a filler to see the characteristics of the material as a bioplastic packaging material.…”

Section: Introductionmentioning

confidence: 99%

Characteristic of Poly Lactid Acid (Pla)/ Coir With Addition of Chitosan Variations for Reviewing Plastic Materials

Ridwan¹,

Rihayat²,

Ismy³

et al. 2022

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Poly lactic acid or poly lactide (PLA) is a natural polymer that is biodegradable, thermoplastic and is an aliphatic polyester made from renewable materials such as young kepok banana starch. Poly lactic acid with the chemical formula CH3CH(OH)COOH is a biodegradable polymer obtained from the combination of lactic acid monomers. Therefore, in this study the PLA polymer as a matrix was added with fillers in the form of Coir and Chitosan. Coir is a coconut fiber that has been widely used by researchers for decades. Chitosan has been widely used as an important and promising biopolymer material in tissue engineering because of its anti-microbial activity, biodegradability, biocompatibility, and non-toxicity. The characteristics resulting from the combination of these three materials resulted in 4 samples, namely the fixed variable PLA with variations of Coir and Chitosan. Sample 1 Coir/Chitosan ( 90:10 (%)) produces a tensile strength value of 80 MPa. Sample 2 Coir/Chitosan (80:20 (%)) yielded a tensile strength of 55 MPa. Samples of 3 Coir/Chitosan (70:80 (%)) yielded a tensile strength of 48 MPa. Samples of 4 Coir/Chitosan (60:40 (%)) produced a tensile strength of 30 MPa. The FTIR test on sample 1 resulted in a new compound found in the PLA/Coir/Chitosan composite, namely the compound N=C=O which is an isocyanate group at the peak of the 2279.86 cm-1 group. While the SEM test which shows the physical structure of the sample composition of PLA with the addition of Coir/Chitosan (90:10%) is the sample with the best morphology.