Optimization of Biodegradable Foam Composites from Cassava Starch, Oil Palm Fiber, Chitosan and Palm Oil Using Taguchi Method and Grey Relational Analysis

Kasemsiri, Pornnapa; Dulsang, Nattakan; Pongsa, Uraiwan; Hızıroǧlu, Salim; Chindaprasirt, Prinya

doi:10.1007/s10924-016-0818-z

Cited by 57 publications

(27 citation statements)

References 52 publications

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“…The density values of SFE‐10 containing 0–10 wt% OEO were in the range of 0.26–0.34 g/cm 3 . The obtained density values were similar to those of starch foam composites incorporated essential oil, bee wax, and palm oil . From Table , the density of samples increased with increasing OEO content due to the reduction of foam expansion.…”

Section: Resultssupporting

confidence: 88%

“…Generally, the chemical interactions of polymer blend such as hydrogen bond or dipolar interaction can be monitored by the shift of characteristic spectra peak . From Figure (B), the shifts of spectra at 3200–3400 and 1443 cm −1 for starch foam and starch foam blended with additives were observed.…”

Section: Resultsmentioning

confidence: 96%

“…It normally requires more than 100 years for degradation with unintentionally generated toxic . Due to the environmental concerns, biopolymer produced from abundant natural resources such as starch, natural fiber, and agricultural wastes are thus good alternative materials …”

Section: Introductionmentioning

confidence: 99%

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Bioactive Starch Foam Composite Enriched With Natural Antioxidants from Spent Coffee Ground and Essential Oil

et al. 2018

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Starch foam composites containing extracted spent coffee ground and 10 wt% of spent coffee ground (SFE‐10) are prepared by compression molding. Four to ten weight percent of oregano essential oil (OEO) is added to the SFE‐10. Characterization by ATR‐FTIR and total phenolic assay confirms that bioactive compounds of OEO, spent coffee ground (SCG), and extracted spent coffee ground (ex‐SCG) penetrate into the samples. The minimum inhibitory concentration against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) is investigated in SFE‐10 incorporated 8 wt% OEO. Synergism in antibacterial activity is also achieved from the starch foam incorporated combination of OEO, SCG, and ex‐SCG. The kinetics of polyphenol release in food simulants are observed, and the release rate increases when the polarity of aqueous simulants decreased. The water resistance of the samples improves with increasing OEO content, whereas the biodegradability and flexural strength slightly decrease. Based on the results, SFE‐10 containing OEO has a good potential for application as a bioactive packaging to preserve and maintain the quality of food.

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Section: Resultssupporting

confidence: 88%

Section: Resultsmentioning

confidence: 96%

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Bioactive Starch Foam Composite Enriched With Natural Antioxidants from Spent Coffee Ground and Essential Oil

et al. 2018

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“…In the grey system, black implies having no information and white signifies having all information [14]. GRA has been widely applied to optimize problems involving multiple factors and responses [17,37,38]. Data pre-processing by grey relational generation was performed on the experimental data of the responses in Table 3, namely, COF and W s .…”

Section: Resultsmentioning

confidence: 99%

“…The grades in the response table serve as a measure of the correlation between the reference sequence and comparability sequence of GRA. Higher values of the mean of GRGs indicate a strong correlation [38]. Therefore, from the response table of GRGs in Table 10, it is possible to arrive at the combination of optimal parameters which maximize overall response.…”

Section: Resultsmentioning

confidence: 99%

Taguchi Grey Relational Analysis for Multi-Response Optimization of Wear in Co-Continuous Composite

2018

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Co-continuous composites have potential in friction and braking applications due to their unique tribological characteristics. The present study involves Taguchi grey relational analysis-based optimization of wear parameters such as applied load, sliding speed and sliding distance, and their effect on dry sliding wear performance of AA6063/SiC co-continuous composite manufactured by gravity infiltration. A Taguchi L9 orthogonal array was designed and nine experimental runs were performed based on the designed experiments. The coefficient of wear and specific wear rate were recorded for each experiment. Based on the average responses computed from Taguchi grey relational analysis, an applied load of 60 N, sliding speed of 1 m/s and sliding distance of 1000 m were estimated to be the optimal parameters. An Analysis of Variance (ANOVA) was conducted to identify the predominant factor and established all the three factors as being significant. The sliding distance was found to have the highest significant influence of 61.05% on the wear of the C4 composite. Confirmation experiments conducted using the optimal parameters indicated an improvement of 35.25% in grey relational grade. Analysis of the worn surfaces of the confirmation experiment revealed adhesive and abrasive wear as the governing mechanisms.

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Optimization of weld bead geometry of laser welded ANSI 304 austenitic stainless steel using grey‐based Taguchi method

İrizalp

Koroglu

2020

Materialwissenschaft Werkst

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This paper investigates the quality characteristics of the welding geometry of the laser welding process for the ANSI 304 austenitic stainless steel, with the use of a pulsed Nd:YAG laser welding system. Laser welding of 2 mm thick ANSI 304 stainless steel is performed at three different levels of three factors, i. e., peak power, welding speed and pulse duration. In this study, a multi‐response optimization problem is developed to achieve weld bead geometry with full penetration as well as a narrow bead width and minimum crater. Grey relational analysis based on Taguchi orthogonal array is used to present an effective approach for the optimization of laser welding process parameters. Regression equations between the welding parameters and the bead dimensions for laser welded austenitic stainless steels are developed, which are used in predicting the penetration, width and crater. Finally, the equations are tested for values different from the levels of the parameters in the orthogonal array. It will be beneficial to engineers for continuous improvement in laser welded product quality.

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Optimization of Biodegradable Foam Composites from Cassava Starch, Oil Palm Fiber, Chitosan and Palm Oil Using Taguchi Method and Grey Relational Analysis

Cited by 57 publications

References 52 publications

Bioactive Starch Foam Composite Enriched With Natural Antioxidants from Spent Coffee Ground and Essential Oil

Bioactive Starch Foam Composite Enriched With Natural Antioxidants from Spent Coffee Ground and Essential Oil

Taguchi Grey Relational Analysis for Multi-Response Optimization of Wear in Co-Continuous Composite

Optimization of weld bead geometry of laser welded ANSI 304 austenitic stainless steel using grey‐based Taguchi method

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