Synthesis and Characterization of Water Soluble Rosin-Polyethylene Glycol 1500 Derivative

Kanlaya, P.; Sumrit, W.; Amorn, P.

doi:10.18178/ijcea.2016.7.4.589

Cited by 6 publications

(5 citation statements)

References 17 publications

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“…A rosin-PEG 1500 derivative was successfully synthesized from natural rosin and his PEG using ZnO 2% as catalyst and 2 mol of rosin at 250 °C for 9 h. These derivatives were completely water soluble and can be called water soluble rosins (WSRs). The resulting rosin PEG1500 derivative was completely water soluble, and the rosin PEG1500 derivative exhibited a melting point of 40.6 °C, which was lower than that of natural rosin [35].…”

Section: Introductionmentioning

confidence: 90%

Effect of gamma radiation on the characterization of polystyrene/rosin polymer blends.

Mamdouh,

Ibrahim,

Elnahas

2023

Arab Journal of Nuclear Sciences and Applications

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By using the solution casting technique, blends of polystyrene and rosin (PS/rosin) plasticized by dibutyl phthalate (DBP) were created with various rosin content (5, 10, 20, and 30%). These blends were then exposed to various gamma radiation dosages (50, 100, 150, and 200 kGy). Scanning electron microscopy (SEM), and mechanical characteristics were used to analyze the mixes (PS/rosin). FTIR and SEM were used to demonstrate the two polymers' physical miscibility. TGA is used to study thermal properties. The TGA thermograms demonstrated that as the PS component ratio in the blend is increased, the thermal stability of the unirradiated polymer blends (PS/rosin) also increases. Additionally, it was shown that the PS polymer provides protection against radiation degradation and enhances their thermal stability additionally, it was determined that adding PS to rosin improved its tensile strength and other mechanical qualities. On the other hand, by increasing the proportion of rosin in the blend, elongation was reduced.

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Section: Introductionmentioning

confidence: 90%

Effect of gamma radiation on the characterization of polystyrene/rosin polymer blends.

Mamdouh,

Ibrahim,

Elnahas

2023

Arab Journal of Nuclear Sciences and Applications

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“…Polyethylene glycol (PEG) is a petroleum-based polymer that represents only one group -OH that is soluble in water. Hydrophilic polymers are used in ointments and supplements as a base, as a plasticizer in film coating, as supplemental emulsifiers, and in electrical applications [43].…”

Section: Rosin-ethylene Glycol and Polyethylene Glycolmentioning

confidence: 99%

“…The properties of derivatives of rosin-polyethylene glycol from rosin and PEG was studied [43]. The target of this reaction was the carboxylic group of rosin that reacted with the hydroxyl group of PEGs to form rosin-PEG as water soluble rosin derivatives via esterification reaction.…”

Section: Rosin-ethylene Glycol and Polyethylene Glycolmentioning

confidence: 99%

Recent Progress on Catalytic of Rosin Esterification Using Different Agents of Reactant

Mardiah,

Samadhi,

Wulandari

et al. 2023

AgriEngineering

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Gum rosin is an important agricultural commodity which is widely used as a raw material for various industries. However, gum rosin has low stability, crystallizes easily, and tends to oxidize. This is due to carboxyl groups and conjugated double bonds in gum rosin’s structure. Therefore, to reduce these weaknesses, it is necessary to modify the rosin compound to achieve better stability via the esterification process. This paper surveys esterification agents such as glycerol, pentaerythritol, methanol, ethylene glycol, polyethylene glycol (PEG), allyl group, and starch Rosin ester. The product is used in the manufacture of pressure-sensitive adhesives, drug delivery, solder flux for electronic devices, as a plasticizer, and as a coating agent in fertilizers. In general, the esterification reaction between alcohols and carboxylic acids is very slow without a catalyst. Heterogeneous catalysts have the advantage of controlling size, structure, spatial distribution, surface composition, thermal-chemical stability, and selectivity. Among the catalysts for gum rosin esterification are ZSM-5, Fe3O4, ZnO, Calcium, TiO2, Kaolin, and Al2O3, among others. Different catalysts and esterification agents can produce various physical and chemical properties of rosin ester and will result in specific rosin ester products, such as glycerol ester, pentaerythritol ester, methyl ester, glycol ester, allyl ester, and acid starch-based rosin.

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“…The rosin esters were powdered, washed, and dried. [21][22][23] They were evaluated for physiochemical properties. 24,25…”

Section: Synthesis Of Rosin Estersmentioning

confidence: 99%

Exploring Film Forming Ability of Newly Synthesized Rosin Esters

Burakale,

Sudke,

Bhise

et al. 2023

IJDDT

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The present investigation was planned to confirm the film-forming potential of synthesized rosin esters. The free films of rosin esters were prepared by solvent evaporation and characterized for the physicochemical and mechanical attributes. Suitable concentrations of rosin esters were used for coating tablets, and coated tablets were evaluated for official and unofficial quality control tests. The free films had low tensile strength, higher percent elongation value, and smooth surfaces. Therefore, the plasticizer was used to provide tensile strength to the films. The tablets were coated rapidly without agglomeration, confirming the suitability of rosin esters as a coating agent. The drug release from tablets was delayed up to 6 to 8 hours because of 10% w/w coating of rosin ester, and regioselectivity was achieved by coating with hydroxypropyl methylcellulose with sodium bicarbonate. The pH-dependent solubility of rosin esters produces chrono-triggered drug release from coated tablets. The present investigation confirms the suitability of newly synthesized rosin esters in in designing a region selective chrono- triggered drug delivery system.

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Synthesis and Characterization of Water Soluble Rosin-Polyethylene Glycol 1500 Derivative

Cited by 6 publications

References 17 publications

Effect of gamma radiation on the characterization of polystyrene/rosin polymer blends.

Effect of gamma radiation on the characterization of polystyrene/rosin polymer blends.

Recent Progress on Catalytic of Rosin Esterification Using Different Agents of Reactant

Exploring Film Forming Ability of Newly Synthesized Rosin Esters

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