Results 1 to 10 of about 61,988 (298)

Rosin maleic anhydride adduct antibacterial activity against methicillin-resistant Staphylococcus aureus [PDF]

open access: yesPolímeros, 2020
The emergence of antibiotic resistance in microorganisms is a serious challenge globally. Natural hydrophobic diterpene carboxylic acids present in rosin have unsatisfactory inhibitory properties against pathogens due to their poor water solubility ...
Zahid Majeed   +6 more
doaj   +1 more source

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

open access: yesAgriEngineering, 2023
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
Mardiah Mardiah   +5 more
doaj   +1 more source

Preparation of composite zein/natural resin nanoparticles [PDF]

open access: yesJournal of the Serbian Chemical Society, 2020
The aim of this work was to investigate a possibility of preparing composite zein/natural resin (shellac and rosin) nanoparticles by antisolvent co–precipitation from their aqueous ethanol solutions.
Spasojević Ljiljana   +7 more
doaj   +1 more source

Influence of gamma irradiation on rosin properties and its antimicrobial activity

open access: yesScientific Reports, 2023
The main component of rosin natural gum is abietic acid, which has an interesting chemical structure to be studied with the influence of gamma-ray and the antimicrobial activity on the properties of a cheap abundant solid state natural material of rosin.
Magd M. Badr   +3 more
doaj   +1 more source

Assessment of rock fragmentation and strength properties using the Rosin-Rammler and Extended Swebrec Distribution functions parameters [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering, 2022
This work assessed the curve fitting ability of Rosin-Rammler and Swebrec functions and the comparison of their fitting parameters with rock strength properties.
Victor Akinbinu   +2 more
doaj   +1 more source

An Improved Rosin Transfer Process for the Reduction of Residue Particles for Graphene

open access: yesNanoscale Research Letters, 2020
In this work, an improved rosin transfer process is initiated. An anisole coating is introduced based on the rosin transfer process to reduce the residue particles on the surface of transferred graphene.
Kashif Shahzad   +6 more
doaj   +1 more source

Sequential Esterification—Diels-Alder Reactions for Improving Pine Rosin Durability within Road Marking Paint

open access: yesMolecules, 2023
Pine rosin, which is derived from Pinus merkusii resin, a natural product, has demonstrated potential as a road marking binder. Although pine rosin has an excellent shinning property, it has some limitations, such as instability and color change.
Aqsha Aqsha   +8 more
doaj   +1 more source

Pine Resin Derivatives as Sustainable Additives to Improve the Mechanical and Thermal Properties of Injected Moulded Thermoplastic Starch

open access: yesApplied Sciences, 2020
Fully bio-based materials based on thermoplastic starch (TPS) were developed starting from corn starch plasticized with glycerol. The obtained TPS was further blended with five pine resin derivatives: gum rosin (GR), disproportionated gum rosin ...
Miguel Aldas   +3 more
doaj   +1 more source

PENGARUH KONSENTRASI ASAM DALAM PEMBUATAN GONDORUKEM MALEAT TERHADAP RENDEMEN DAN SIFAT FISIKO-KIMIANYA

open access: yesJurnal Penelitian Hasil Hutan (Journal of Forest Products Research), 2017
Rosin is a mixture of abietic and pimaric acids with small amount of neutral materials. By modifying these acids could widen its utilizations. One of modified rosin is maleic rosin.
Bambang Wiyono
doaj   +1 more source

The adjuvant effects of rosin and coconut oil on nicosulfuron and mesotrione to control weeds

open access: yesEcotoxicology and Environmental Safety, 2021
: Natural adjuvants are novel options to reduce the doses of chemical herbicides. The aim of the current study was to examine the compositions and adjuvant effects of rosin and coconut oil on herbicides using a combination of indoor experiment and field ...
Shujie Ma   +7 more
doaj   +1 more source

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