المنتجات

Emerging role of nanosuspensions in drug delivery systems

In this method, nanosuspension are prepared by high shear ball mill or media mill. The size reduction within the chamber charged with drug, stabilizer (s) and water is carried out by both impact and attrition of particles. ... sucrose erucate. The resultant formulation enhanced the steady state flux of the drug up to 3.8-fold when …

Hydrolysis of Sucrose over Sulfonic Acid Resins

Particle size reduction was achieved by ball-milling. Sucrose (refined, extra white EU quality 1) was provided by Nordzucker AG (Germany), and fructose, glucose, and sorbitol were purchased from VWR in analytical grade (> 99.5 %). Food grade industrial invert sugar syrups 72.7/66 and 72.7/100 with dry matter

(PDF) Effects of polyols on the quality characteristics of sucrose-free

Sucrose-free milk chocolates containing different types of bulk (isomalt, xylitol and maltitol) and high intensity (Stevia) sweeteners were produced by using a ball mill.

In Situ Inducing Spinel/Rock Salt Phases to Stabilize Ni-Rich …

The as-synthesized precursor sample was mixed firstly with sucrose by ball milling at a 1:2% mass ratio. The mixture was then pre-heated at 200 °C for 2 h under flowing O 2 gas, which was then cooled down to room temperature naturally and removed from the tube furnace for further ball milling of 0.5 h. After ball milling, the sample was …

Ball milling-induced reduction of MoS2 with Al

However, Takacs et al. investigated the ball-milling-induced reduction of MoS 2 by Al according to the equation: Al + MoS 2 = Al 2 S 3 + Mo [35]. In this work, there are no peaks of Al 2 S 3 and ...

Development and Evaluation of Optimized Sucrose Ester …

The aim of this study was to develop optimized sucrose ester (SE) stabilized oleanolic acid (OA) nano-suspensions (NS) for enhanced delivery wet ball milling by design of experiments (DOE). In this study, via SEOA NS batches were prepared by wet ball milling method. Mean particle sizes and polydispersity indices were determined using a nanosizer.

Tailoring the structure of MoS2 using ball-milled MoO3 powders

We synthesized few-layered MoS 2 materials using MoO 3 powders previously exposed to a high-energy ball milling treatment by the salt-assisted CVD method. The MoO 3 powders milled for 30, 120, and 300 min were used to synthesize ... It was found that MoO 3 milled powders exhibit oxygen loss and decrease in crystallite size as milling …

Batteries | Free Full-Text | Electrochemical Properties of …

When sucrose was used as a pyrolitic carbon source, the composites prepared by grinding of the LFP precursor with carbon nanomaterials in an agate mortar demonstrated better results compared to those prepared via ball milling across the entire range of charge–discharge rates (Figure 3a).

Milling of sucrose

Milling of sucrose has been carried out as part of an initiative to develop a methodology for predicting the milling behaviour of organic solids based on their single …

Nanomaterials | Free Full-Text | Pre-Ball-Milled Boron Nitride …

The thermal conductivity, breakdown strength, and mechanical properties of composite films before and after pre-ball milling BN are emphatically compared. The film prepared from BN by sucrose-assisted ball milling is named SABM-BN/PEI composite film, and the untreated version is named BN/PEI composite film.

Simultaneous exfoliation and functionalization of

@article{Guo2022SimultaneousEA, title={Simultaneous exfoliation and functionalization of black phosphorus by sucrose-assisted ball milling with NMP intercalating and preparation of flame retardant polyvinyl alcohol film}, author={Jiacheng Guo and Liu Yang and Ling Zhang and Chunzhong Li}, journal={Polymer}, year={2022}, url={https://api ...

Sucrose-mediated mechanical exfoliation of graphite: a …

Herein, we report an incredibly simple and green method for the large scale production of graphene by the ball-milling of graphite with sucrose as an auxiliary milling agent, plausibly assisted by the interaction of the sucrose molecules with the graphitic surface layers by virtue of non-conventional CH/π or OH/π interactions. Upon ...

Combining the mechanical ball milling of the

The ball-milling seems also to promote the shift from the crystalline state to an amorphous one with an irregular porous surface. ... in parallel with homogenization …

Changes of porosity of hard carbons during mechanical treatment and …

The initial ball milling opens the micropores with the pore width of around 5 Å, as seen in HC-5 and HC-60, but continuous ball milling causes the pore width to widen, reaching values up to 8 Å. ... Model of micropore closure in hard carbon prepared from sucrose. Carbon N. Y., 37 (1999), pp. 1399-1407, 10.1016/S0008-6223(98)00335-2. …

Effect of ball milling time on graphene nanosheets …

The velocity of milling balls can be calculated using [14]: (2) V b 2 = R ⋅ Ω 2 + r − r b 2 ⋅ ω 2 ⋅ 1 + 2 ⋅ ω Ω where R is the distance between the center of sun wheel disk and milling vial center, and Ω is the angular speed (unit: radians per sec) of the sun wheel disk of a planetary ball mill; r and ω are the radius and ...

Changes of surface properties of sucrose particles during

Grinding in the ball mill (Wienerroto W-1-S, Wiener & Co., Amsterdam, Netherlands) was performed four times with 450 g sucrose and 550 g molten cocoa butter in one batch at 45 °C using steel balls with a diameter of 5 mm (10 kg) and with a diameter of 6 mm (10 kg) Agitation speed was 260 min −1. Samples of each set were taken after …

Preparation of few-layer black phosphorus by wet ball milling

The wet ball milling (WBM) method is, for the first time, used for the exfoliation of bulk black phosphorus (BP) to obtain few-layer black phosphorus (FBP). Before that, the rational solid–liquid ratio of raw material is determined to be 1:1 (mg/mL) for the popular ultrasound liquid exfoliation (ULE). Obviously, the high proportion of organic solvent used in ULE will …

Process investigation, electrochemical characterization and

LiFePO 4 /C composite was synthesized by mechanical activation using sucrose as carbon source. High-energy ball milling facilitated phase formation during thermal treatment. TG–DSC and TPR experiments demonstrated sucrose was converted to CH x intermediate before completely decomposed to carbon. Ball milling time, …

Effects of ball-mill processing on the superconductivity of sucrose …

Sucrose (98%) were used as the carbon source to achieve the formula of MgB 2− x C x (x = 0.2). Amorphous boron (99%) was combined with sucrose and ball-milled under toluene or hand milled, respectively. The ball-milling process was carried out for 4 h with a rotation speed of 160 rpm under air. The thus obtained B and sucrose …

Ball Mill

The ball mill is a tumbling mill that uses steel balls as the grinding media. The length of the cylindrical shell is usually 1–1.5 times the shell diameter ( Figure 8.11 ). The feed can …

Fine powder mixing in a vibratory ball mill

The applicability of the vibratory ball mill to fine powder mixing is investigated using two model 1:1000 binary systems of microfine salicylic acid sucrose and milled tolbutamide with lactose. Mill performance is evaluated by measuring the extent of mixing relative to a specified standard and by comparing the rate of mixing to the Re-Cube ...

Hydrolysis of Sucrose over Sulfonic Acid Resins

Particle size reduction was achieved by ball-milling. Sucrose (refined, extra white EU quality 1) was provided by Nordzucker AG (Germany), and fructose, glucose, and sorbitol were purchased from VWR in analytical grade (>99.5 %). Food grade industrial invert sugar syrups 72.7/66 and 72.7/100 with dry matter content of 72.7 % w/w and …

Scalable Exfoliation and High‐Efficiency

The separation rates of BNNS-20 membranes for methylene blue and Congo red reached 87 % and 95 %, respectively. The results show that the functionalized h-BNNSs obtained by sucrose-assisted discontinuation, multiple ball milling have good stability in water, and hence can be applied to wastewater treatment.

Effects of polyols on the quality characteristics of …

production of sucrose-free chocolates.15,16 Rasouli Pirouzian et al.15 studied the quality characteristics of sugar alcohols (maltitol and xylitol) sweetened milk chocolates by applying ball mill. Whereas compound chocolate was obtained from ball mill, also the differences exist in the formulation and the type of ball mill that were used.

Preparation of modified hexagonal boron nitride by ball …

Here, we propose a simple one-step method for preparing the modified BN (m-BN) by wet ball milling assisted with urea aqueous solution. Ball milling can provide …

In-situ growth of amorphous carbon on sucrose-assisted …

In the process of ball milling, sucrose molecules were grafted onto the boundary between h-BN layers, resulting in easier exfoliation. In addition, the sucrose molecules with the multi-hydroxy structure are easy to adhere to the surface of ball milling beads, which promotes the interlaminar shear of h-BN and improves the efficiency of ...

Effects of polyols on the quality characteristics of sucrose

Sucrose-free milk chocolates containing different types of bulk (isomalt, xylitol and maltitol) and high intensity (Stevia) sweeteners were produced by using a ball mill. The main quality characteristics of the formulated chocolates were evaluated and compared with those of the conventional sample c …

sbm/sbm ball milling sucrose.md at main · changjiangsx/sbm

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Amorphization of organic compounds by ball milling

On cryomilling sucrose, we observed a large decrease in melting point of approximately 80°C. This broad endotherm has previously been observed by milling sucrose at 7°C44 and at −196°C.24 Similar melting behaviour on milling has also been observed by other authors for lactose.43

Combining the mechanical ball milling of the

The ball-milling seems also to promote the shift from the crystalline state to an amorphous one with an irregular porous surface. ... in parallel with homogenization and ultrasound treatments, increased the concentration of sucrose in the reaction media, causing an increment of the initial reaction rate for Novozym® 435-catalyzed sucrose ...

Application of simplex lattice mixture design for

Ball milling is a common method for decreasing particle size and increasing material reactivity [73, 74]. The process uses a ball mill, a cylindrical chamber with a grinding medium such as balls ...

Effects of polyols on the quality characteristics of sucrose …

Sucrose-free milk chocolates containing different types of bulk (isomalt, xylitol and maltitol) and high intensity (Stevia) sweeteners were produced by using a ball mill. The main quality characteristics of the formulated chocolates were evaluated and compared with those of the conventional sample containing sucrose.

Simultaneous exfoliation and functionalization of black

The results show that the functionalized h‐BNNSs obtained by sucrose‐assisted discontinuation, multiple ball milling have good stability in water, …

Hydrothermally prepared sugar-derived carbon spheres for …

The functional groups present in the carbon spheres were identified by analyzing the FTIR spectra shown in Fig. 1 (a). In case of the hydrothermally prepared sphere (CS) two most prominent bands were observed at 1700 cm −1 (C O stretching) and 1612 cm −1 (in-plane C C stretching) signifying aromatization of sugar molecules after …

A promising mechanical ball-milling method to synthesize

The Co9S8/C nanoparticles were prepared by a solid-state reaction and then followed by a ball-milling treatment. An appropriate ratios of dried Co2O3 (4.4676 g), S (6 g) powders (Co:S = 1:3.5 in mol, sulfur excess), and sucrose (5.2338 g, 50% wt of the total mass of Co2O3 and S) as … See more

Growth mechanism of black phosphorus synthesized by different ball

The ratio of ball to powder, the time of milling and the rotation rate are the main determinant factors of milling energy. We first investigated the different ratio of ball to powder (100:1, 200:1, 50:1) under a rotation rate of 500 rpm, and the samples were marked as XBP-20h-100:1, XBP-50h-200:1, XBP-10h-500:1.

Milling of sucrose | Request PDF

Milling behaviour of two widely used pharmaceutical excipients, namely microcrystalline cellulose and alpha-lactose monohydrate has been analysed in an oscillatory single ball mill.

Development and evaluation of optimized sucrose ester

The aim of this study was to develop optimized sucrose ester (SE) stabilized oleanolic acid (OA) nanosuspensions (NS) for enhanced delivery via wet ball milling by design of experiments (DOE). In this study, SEOA NS batches were prepared by wet ball milling method. Mean particle sizes and polydispersity indices were determined using a nanosizer.

Physical and electrochemical properties of LiFePO4

The ball-to-powder weight ratio was 40:1 and the rotating speed was fixed at 800 rpm. The ball-milling time was also varied from 6 to 24 h. After the ball-milling, the samples were sintered at various temperatures from 500 to 800 °C for 4 h in a N 2 + 3% H 2 atmosphere in a tubular furnace.