Peculiarities of Injection Molding Conducting Composites

Mahyoedin, Yovial; Sahari, Jaafar; Mukhtar, Andanastuti; Mohammad, Norhamidi; Iqbal, Mohammad S.

doi:10.1051/matecconf/201824801006

Cited by 2 publications

(3 citation statements)

References 5 publications

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“…Although, IM can be used to mold both thermoplastic and thermosetting polymer composites, injection‐molded BPs have mostly been produced from thermoplastics. This can be attributed to the fact that thermosets are generally more expensive to mold [65]. Also, the processability of most thermoplastics aligns with the mass production capabilities of IM.…”

Section: Processing Methods For Cpc Bpsmentioning

confidence: 99%

“…However, there has been some reported success, depending on the polymer matrix and filler used [63,64]. Mahyoedin et al [65] reported that for a PP-matrix CPC, the finer the filler particles, the greater the tendency for filler agglomeration, leading to lower flowability and higher difficulty for the composite to form a continuous flow channel upon IM. Although, IM can be used to mold both thermoplastic and thermosetting polymer composites, injection-molded BPs have mostly been produced from thermoplastics.…”

Section: Injection Moldingmentioning

confidence: 99%

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Processing methods for conductive polymer composite bipolar plates: Effect on plate quality and performance

2023

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Conductive polymer composites (CPCs) have been identified as viable replacements for graphite and metals for polymer electrolyte membrane fuel cell (PEMFC) bipolar plates (BPs). One important factor, apart from composite formulation, that affects the quality and properties of CPC BPs is the processing route. Therefore, understanding the possible processing methods for different matrix-filler combinations and their effects on the quality and properties of the plates can help in controlling and improving the final performance of BPs. This paper reviews the blending and molding techniques for CPC BPs, with a focus on relationship between formulation and processing method. The effects of processing route and conditions on microstructural features of CPC BPs, which affect the performance of the plates are also discussed. Finally, directions for further studies with potential to advance the development of quality and high-performance CPC BPs are highlighted. Identified key areas for further research include control of filler orientation to improve through-plane conductivity, correlation between processing parameters and dimensional accuracy of molded plates, and additive manufacturing of composite BPs.

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Section: Processing Methods For Cpc Bpsmentioning

confidence: 99%

Section: Injection Moldingmentioning

confidence: 99%

Processing methods for conductive polymer composite bipolar plates: Effect on plate quality and performance

2023

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“…Semakin rendah kecepatan pengadukan maka kedua-dua bahan berpeluang untuk bercampur dengan lebih merata (homogen). Hasil ini parallel dengan penelitian sebelumnya yang menunjukkan bahwa campuran yang lebih homogen memberikan viskositas yang makin rendah [11].…”

Section: Hasil Dan Pembahasanunclassified

Karakteristik Reologi Komposit Serbuk Cangkang Kemiri dan Poliuretan

Mahyoedin

Dewi

Marthiana

et al. 2019

JKTM

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AbstrakPenelitian ini bertujuan menentukan karakteristik reologi komposit serbuk cangkang kemiri (SCK) berukuran 45µm<d<75µm dan resin Poliuretan (PU) dengan komposisi bervariasi, yaitu 5%:95%, 10%:90%, 15%:85%. Pencampuran SCK dan PU dilakukan dengan mechanical mixer dengan kecepatan dan lama pengadukan masing-masing 10, 15 dan 20 menit dan 100, 200 dan 250 rpm. Reologi komposit diperoleh dengan pengujian rotational viscometer dan dioptimasi dengan metoda Taguchi. Penelitian menunjukkan viskositas terkecil 218,66 mPa.s, ditemukan pada komposit dengan komposisi 5% 95%, waktu pengadukan 15 menit dan kecepatan pengadukan 100 rpm. Kata kunci: Serbuk cangkang kemiri, Poliuretan, Viskositas, Reologi. Abstract This study aimed to determine the composite rheological characteristics of candlenut shells (SCK) with particle size of 45µm <d <75µm and polyurethane (PU) resins with varying compositions, namely 5%: 95%, 10%: 90%, 15%: 85%. Mixing of SCK and PU is carried out using mechanical mixers with a speed and stirring time of 10, 15 and 20 minutes and 100, 200 and 250 rpm, respectively. Composite rheology was obtained by rotational viscometer testing and optimized by the Taguchi method. The results showed the smallest viscosity of 218.66 mPa.s, found in composites with a composition of 5% 95%, stirring time of 15 minutes and stirring speed of 100 rpm. Keywords: candlenut shell, polyurethane, viscosity, rheology

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Peculiarities of Injection Molding Conducting Composites

Cited by 2 publications

References 5 publications

Processing methods for conductive polymer composite bipolar plates: Effect on plate quality and performance

Processing methods for conductive polymer composite bipolar plates: Effect on plate quality and performance

Karakteristik Reologi Komposit Serbuk Cangkang Kemiri dan Poliuretan

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