Journal of Applied Polymer Science | Wiley Online Library

Few pinholes were observed in SEM images of PLA1 films with 3–5 wt% of talc while a higher talc concentration (4 wt%) was needed for pinhole formation in PLA2 films. ...

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Food packaging bags based on thermoplastic corn starch reinforced with

TPS films toughness was raised with talc concentration reaching an increment of 94 and 59% for 5% w/w talc addition, determined by tensile and quasi-static tests. Talc …

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Effects of plasticizers and surfactants on the film forming …

Film coating is a complex process that involves different factors. To ensure spreading and/or film forming capability plasticizers are added. The type and concentration of plasticizers can affect …

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Lemon essential oil desorption from polypropylene/talc nanocomposite films

Regardless talc concentration, the blown films had homogeneous thickness with a mean value for PP and nanocomposites around 50 ± 3 µm. After a macroscopic evaluation, …

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The opacity of tablet film coatings

Films pigmented with the coloured lake pigments had contrast ratios dependent on both the parent dye and the dye concentration with the contrast ratios decreasing blue greater than red …

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Effect of Antiadherents on the Physical and Drug Release …

Increasing talc concentration was found to decrease the ability of the polymer films to resist mechanical stress. In contrast, glyceryl monostearate (GMS) and PlasACRYL …

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Introduction to Talc as a pharmaceutical excipient

Lubricant: Talc helps to reduce friction between particles during the tablet compression process, preventing sticking and ensuring smooth tablet release from the die. Diluent: Talc serves as a …

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Lubrication in tablet formulations

At a given concentration of each lubricant, the ability to form a film on the particles seemed to correlate with the specific surface area of the lubricant [71]. As shown in Fig. 15, …

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Characterization of PLA-Talc films using NIR chemical imaging …

In fact, the NIR wavelength ranges (800-2500 nm) is located between the visible and mid-infrared regions of the electromagnetic spectrum [48]. Chemical bonds like C-H, N-H and

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Talc concentration effect on shelf life of acetaminophen tablets

The thermogravimetric curves collected at variable talc content have been compared quantitatively at a given heating ramp by means of the following parameters: (1) …

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In situ particle film ATR-FTIR studies of CMC adsorption on talc: …

The adsorption of carboxymethyl cellulose (CMC) onto talc has been studied using particle film ATR FTIR. This approach allows for the in situ acquisition of vibrational spectra, …

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Pro-Degradant Effect of Talc Nanoparticles on Polypropylene Films

Weathering Experiments. Polypropylene/talc films were exposed to three different scenarios using three replicates of each formulation. Indoor. film samples (10 × 10 cm 2) …

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The Influence of Polysaccharides on Film Stability and …

of similar structure has an equilibrium film thickness (he) of 25 nm. At low polysaccharide concentrations, the wetting films formed on the talc surfaces were unstable, but at high …

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HYDROPHOBIC SURFACE STATE OF TALC AND HOW IT IS

Further, the wetting characteristics and water film stability at the talc surface have iv been studied, regarding the effect of polysaccharides such as guar gum, starch, and dextrin.

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Biodegradable Blown Film Composites from Bioplastic and Talc: …

As public awareness about climate change grows, there is an increase in the research on bioplastic packaging films. This is the first-ever scientific report on uniaxially …

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Preparation and characterization of PVOH/kaolin and PVOH/talc …

Thermal studies showed that at 600°C residual mass (%) of PVOH film increased from 0.6 to 9.89% and 15% with the addition of 25% (by weight) kaolin and talc pigment. At …

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Effect of reducing talc concentration in enteric coatings

In this particular study we will investigate the impact of Talc in enteric coating formulations using Shin-Etsu AQOAT® as enteric polymer in aqueous coating dispersion.

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Influence of Talc in Polypropylene on Total Fluorine …

The milled samples were pressed with a Carver Press (model 4350CE.L; Carver, Inc. Wabash, IN, USA) and Universal Film Maker (Thermo Fisher Scientific, Madison, WI, …

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(PDF) TALC : A VERSATILE PHARMACEUTICAL …

Talc demonstrates the high functionality because it has been used as filler, lubricant and glidant in the pharmaceutical formulations as well as in cosmetic formulations as abrasive, absorbent ...

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Characterization of PLA-talc films using NIR chemical imaging

Mentioning: 8 - Maîtrise en génie chimiqueToutefois, puisque la structure de ces films est plus complexe, le contrôle de qualité de ces derniers est plus difficile. Dans l'industrie, des …

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Effect of Antiadherents on the Physical and Drug Release …

Increasing talc concentration was found to decrease the ability of the polymer films to resist mechanical stress. In contrast, glyceryl monostearate (GMS) and PlasACRYL produced more …

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Influence of Insoluble Excipients on Film Coating Systems

The water vapor permeability and drug permeability of free films increased as the concentration of talc increased. Importantly, talc had a dynamic effect on the drug release. The …

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Journal of Applied Polymer Science | Wiley Online Library

The effect of talc was investigated in relation to the morphological, thermal, mechanical, and barrier properties of the composites. Based on SEM-imaging, talc was found …

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Polyvinyl Alcohol (PVA) for Tablet Coating Applications: …

Figure 5: SEM images of coated tablet surfaces with different plasticizers at varying target concentrations. (10% and 30%). Figure 3: Box plots representing the surface roug-hness (Ra) …

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HYDROPHOBIC SURFACE STATE OF TALC AND HOW IT IS

surface for MDS Talc 4 (phlogopite) at 0, 0.5, and 1 nanosecond. ..... 71 3.6. Snapshots of advancing sessile drop contact angle at the face surface of the crystals, MDS Talc 1, MDS …

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Safety Assessment of Talc as Used in Cosmetics

Therefore, the large amount of available animal and clinical data the Panel relied on in assessing the safety of talc only included those studies on talc that did not contain asbestos. The Panel …

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Characterization of PLA-talc films using NIR chemical imaging …

Hence, this study aims at extending the application of NIR chemical imaging for characterizing PLA films filled with different talc concentrations, and submitted to thermal …

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In situ particle film ATR-FTIR studies of CMC adsorption on talc: …

In situ particle film ATR-FTIR studies of CMC adsorption on talc: The effect of ionic strength and multivalent metal ions

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Determination of the critical pigment volume concentrations of

However, Okamafe and York (1984b) did show transitions in the tensile mechanical properties of hydroxypropyl methyl- cellulose films at talc concentrations of 8.9-14.1% and 11.9-18.8% for …

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Effect of reducing talc concentration in enteric coatings

HPMCAS is commonly used in oral pharmaceutical formulations as a film coating, as well as an enteric coating material for tablets or granules. ... No visible differences between tablets …

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In Vitro Evaluation of Enteric-Coated HPMC Capsules—Effect of

Abstract. A comparative study on different enteric-coated hard capsules was performed. The influence of different formulation factors like choice of enteric polymer, triethyl citrate (TEC) …

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Journal of Applied Polymer Science | Wiley Online Library

Also, in our earlier study, Nath et al. reported that the uniaxial stretching of PBSA/talc films led to an increase in percentage crystallinity, which significantly influenced the …

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JP5936732B1

An object of the present invention is to provide a green film-coated tablet using an already approved pigment. Another object of the present invention is to provide a film-coated tablet …

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