The use of palladium nanoparticles supported on active carbon for synthesis of disproportionate rosin (DPR)

Mostafalu, Ramin; Heydari, Akbar; Banaei, Abbas; Ghorbani, Fatemeh; Arefi, Marzban

doi:10.1007/s40097-017-0220-y

Cited by 7 publications

(5 citation statements)

References 23 publications

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“…Here in, the catalytic activity of Fe 3 O 4 -Pd-C in the synthesis of DPR from gum rosin was studied, and the reaction was checked by gas chromatography (GC) analysis [13]. A control experiment showed that Fe 3 O 4 and Fe 3 O 4 -active carbon could not catalyze this disproportionation reaction, and the presence of palladium is essential.…”

Section: Resultsmentioning

confidence: 99%

“…In our recently efforts, we have found that the activated carbon-supported palladium nanoparticles are an efficient nanocatalyst for the disproportionation of rosin [13]. Here in, the catalytic activity of magnetic palladium-carbon for disproportionation of rosin is reported.…”

Section: Introductionmentioning

confidence: 83%

“…Once temperature of reaction was reached to 280°C, and a sample was withdrawn. Subsequently, Fe 3 O 4 -Pd-C was added to reaction flask and more samples were withdrawn every 1 h. A gas chromatography analysis was performed for a quantitative analysis of the samples [13].…”

Section: General Procedures For Gum Rosin Disproportionation By Fe 3 Omentioning

confidence: 99%

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A facial, scalable, and green synthesis of superparamagnetic palladium–carbon catalyst and its use in disproportionation of gum rosin

et al. 2017

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We reported here the preparation, characterization, and catalytic ability of a Fe 3 O 4 -supported palladiumcarbon (Fe 3 O 4 -Pd-C) as an efficient catalyst in disproportionation of gum rosin. The magnetic nanocatalyst was prepared by a simple method and was characterized by FTIR, XRD, TEM, N 2 adsorption-desorption, VSM, and atomic absorption analysis. The prepared catalyst displayed excellent activity in disproportionation of gum rosin. The magnetic Fe 3 O 4 -Pd-C catalyst was successfully recycled three times with keeping its catalytic performance. The simplicity of the nanocatalyst production method and simple separation and recyclability, on the other hand, make possible the industrial production and application of the catalyst.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 83%

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A facial, scalable, and green synthesis of superparamagnetic palladium–carbon catalyst and its use in disproportionation of gum rosin

et al. 2017

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“…Disproportionated rosin adalah campuran dari dehydroabietic acid dan dihydroabietic acid serta campuran sedikit asam rosin lainnya [3]. Disproportionated rosin pada industri digunakan sebagai pengemulsi dalam produksi karet sintetis, bahan peracikan untuk karet, dan sebagai bahan baku pembuatan rosin sintetis.…”

Section: Pendahuluanunclassified

Berbagai Proses Dalam Pembuatan Disproportionated Rosin Dari Gondorukem Dengan Presipitasi Naoh

Mahendra

Sari

Chabibah

et al. 2023

Distilat: J. Tekn. Sep

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Indonesia memiliki kawasan hutan yang sangat luas dengan keanekaragaman hayati yang melimpah. Banyak manfaat yang dapat diperoleh dari tanaman hutan, salah satunya adalah pohon pinus. Salah satu manfaat yang dapat diambil dari pohon pinus adalah getahnya, yang dapat diolah menjadi produk bernilai jual tinggi seperti gondorukem dan terpentin. Disproportionated rosin adalah salah satu produk turunan dari gondorukem, biasanya digunakan sebagai bahan tambahan dalam produksi karet sintetis, ban, hingga cat dinding. Penelitian dilakukan secara ekperimental untuk mengetahui pengaruh massa gondorukem dan konsentrasi NaOH terhadap disproportionated rosin yang dihasilkan. Proses dilakukan pada suhu ruang dengan pelarut etanol 96%, tanpa menggunakan katalis. Larutan NaOH digunakan untuk mengikat asam abietik dalam gondorukem menjadi naabietic, sehingga dapat terbentuk disproportionated rosin. Variasi massa gondorukem yang digunakan adalah 5 gram, 8 gram, 12 gram dan 20 gram. Variasi konsentrasi NaOH yang digunakan adalah 0.1 M, 0.25M, 0.5 M, dan 1 M. Hasil terbaik didapatkan pada variabel massa gondorukem 8 gram dan konsentrasi 0.1 M, dengan disproportionated rosin yang dihasilkan sebanyak 41,5 ml dan endapan Na-abietik 3,5 gram.

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“…It is important to mention here that isomerization of levopimaric acid and neoabietic acid into abeitic acid followed by auto-oxidation to DAA was observed in Chloroform-d after a certain time (6 hours). Several investigations have been made for the transformations of individual component resin acids during rosin disproportionate (Fleck and Palkin 1937;Fleck and Palkin1938;Mostafalu et al, 2017)…”

Section: X: Ppmmentioning

confidence: 99%

Rapid method for determination of dehydro abietic acid in gum rosin and disproportionate rosin by proton nuclear magnetic resonance spectroscopy

Kumar¹,

Chattopadhyay²,

Bhasker³

et al. 2018

EJS

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In present work a simple, direct and rapid method developed based on proton nuclear magnetic resonance spectroscopy for the quantitative determination of dehydroabietic acid in gum rosin and disproportionated rosins and validated. This method can also be applied to the determination of other acids of gum rosins like abietic acid, pimaric acid isopimaric acid, palustric acid, neo abietic acid, levopimaric acid, tetrahydro abietic acid, dihydro abietic acid. Dehydroabietic acid has been estimated using aromatic proton while vinyl propton was used for estimation of other acids in gum rosins. Analysis of rosin acid methyl ester derivative in disproportionated rosins was also carried out by gas chromatography-mass spectroscopy to identify peak of dehydro abeitic acid along with abeitic acid based on their mass fragmentation pattern and quantified using gas chromatography with flame ionization detector. Good correlation was observed between the results of gas chromatography with flame ionization detector with newly developed nuclear magnetic resonance method.

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The use of palladium nanoparticles supported on active carbon for synthesis of disproportionate rosin (DPR)

Cited by 7 publications

References 23 publications

A facial, scalable, and green synthesis of superparamagnetic palladium–carbon catalyst and its use in disproportionation of gum rosin

A facial, scalable, and green synthesis of superparamagnetic palladium–carbon catalyst and its use in disproportionation of gum rosin

Berbagai Proses Dalam Pembuatan Disproportionated Rosin Dari Gondorukem Dengan Presipitasi Naoh

Rapid method for determination of dehydro abietic acid in gum rosin and disproportionate rosin by proton nuclear magnetic resonance spectroscopy

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