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  • Comparative study of the extrinsic properties of poly(lactic

    The compression molded sheets showed a reduction in abrasion by greater than 69% for either filler type compared to the neat PLA due to their high stiffness. In contrast, only the talc provided barrier properties that hindered both water and oxygen permeability, while

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  • Talc as Reinforcing Filler in Polypropylene Compounds:

    Talc1 and talc2 improve the abrasion’s resistance of compounds thanks to their behavior as a solid lubricant; talc’s platelets facilitate the slip on the interface specimen-abrasive disc.

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  • Talc-filled PP: A new concept to maintain long term heat

    2021.10.25  Talc nucleates PP and so reduces cycle time in moulding applications, thermal expansion coefficient (CLTE), and gas permeation rate. But talc can also adsorb

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  • Talc as Reinforcing Filler in Polypropylene Compounds: Effect

    2017.7.1  At low loadings, talc can act as a nucleating agent, reducing PP spherulite size and shortening the processing time, while at higher loadings (up to 40 wt.%) it

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  • Exploration of Talc nanoparticles to enhance the

    2021.10.1  Maiden effort to explore Talc nanoparticles (50 nm) in grease for improving performance. • 2% prove optimum for highest performance as AW (47%) and EP (79%).

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  • Journal of Applied Polymer Science Wiley Online Library

    2021.6.2  Compared to the neat polymer films, a reduction of water vapor transmission rate, by ~34–37%, was observed at 23°C/50% RH. Meanwhile, the systems loaded with

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  • Surface modifications of talcs. Effects of inorganic and

    2010.12.7  In this study, a multipurpose acid treatment, which comprises purification, delamination, particle size reduction, and surface modification on milled talc samples, is

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  • Effect of Talc on Rolling Resistance in Tread Compounds

    2023.10.17  showing a significant size reduction of the holes with the addition of talc (right) vs. without talc (left). This paper reviews the work done on talc as a dispersion

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  • Industrial talc - Springer

    2017.8.26  Thisisdue I~ several distinct perfor-mance advantages, including lower oil absorption, less gloss reduction, bett~r abrasion resistance, minimal frosting, rapid

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  • A comparative life-cycle assessment of talc- and biochar

    2020.1.2  This study indicates that MB-PP can reduce about 25% environmental impacts of the life of composite if it replaces the talc–PP composite. The MB–PP

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  • Comparative study of the extrinsic properties of

    subsequent 100-cycle abrasion runs, up to a total of 500 cycles. The volume loss of the entire sample and percent thickness reduction from the four measurement points 90 offset were then plotted. For analysis purposes the densities of the PLA, PLA/talc, PLA/BC, and PLA/BC 24 h samples were measured with

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  • Does mechanical pleurodesis result in better outcomes than ... - PubMed

    Another large cohort study, analysing pleural abrasion, pleurectomy and talc pleurodesis, both in isolation and in combination with apical bullectomy, reported the highest rate of recurrence in bullectomy plus abrasion patients (1.4%) followed by bullectomy plus talc pleurodesis patients (0.4%). No recurrence was seen with other techniques.

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  • reduction de labrasion avec du talc

    Abrasion Reduction With Talc. Abrasion Reduction With Talc EFFECTS OF DIFFERENT FILLER COMBINATION WITH TALC AND CALCIUM CARBONATE ON PAPER PROPERTIESPRINTABILITY YUAN LAffaire du Mercredi 20% de réduction sur LAffaire du Mercredi 20% de réduction sur tous les produits 9x6 à la Boutique Recon! Avec le Get on

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  • Comparative study of the extrinsic properties of poly(lactic

    2019.2.26  The compression molded sheets showed a reduction in abrasion by greater than 69% for either filler type compared to the neat PLA due to their high stiffness. In contrast, only the talc provided barrier properties that hindered both water and oxygen permeability, while biocarbon did not possess a high aspect ratio to form a tortuous path ...

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  • (PDF) Melt compounding of poly (Lactic Acid) and talc:

    2015.12.1  For the PLA/Talc-g-pla composite by the blend of Talc-g-pla with PLA in the proportions between 0.5-3.0 wt%, the differential scanning calorimeter (DSC) and polarized optical microscope (POM ...

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  • [PDF] Comparative study of talc poudrage versus pleural abrasion

    2012.7.1  Talc poudrage shows shorter surgical times and length of stay, and lower re-intervention rates, and Morbidity is lower in patients with talc Poudrage, compared with patients with pleural abrasion. Primary spontaneous pneumothorax is a pathology mainly affecting healthy young patients. Clinical guidelines do not specify the type of pleurodesis

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  • Talc as Reinforcing Filler in Polypropylene Compounds:

    The compound PP/Talc2 behaves like the unfilled PP, this result is due to a combined effect of purity and the average particle size. Talc1 and talc2 improve the abrasion’s resistance of compounds thanks to their behavior as a solid lubricant; talc’s platelets facilitate the slip on the interface specimen-abrasive disc.

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  • (PDF) Properties of Polypropylene Talc Compounds with different talc ...

    2012.1.1  displays those higher talc content results in a reduction of the deflection f max from almost 1.4 mm for the pure matrix material to 0.5 mm at an amount of 43 wt.-% coarse talc.

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  • What is Talc Pleurodesis: Complications, Side Effects, and

    2024.6.25  Talc pleurodesis installs talc in the pleural space to intentionally cause inflammation and fibrosis, which closes up the space between the lungs and the chest wall. During this procedure, a surgeon will typically spray a mixture of talc and saline through a tube into the chest area that surrounds the lungs. It may also be applied in powder form.

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  • Comparative study of talc poudrage versus pleural

    Comparative study of talc poudrage versus pleural abrasion for the treatment of primary spontaneous pneumothorax† Sergio Moreno-Merino, Miguel Congregado*, Gregorio Gallardo, Rafael Jimenez ...

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  • Comparative study of talc poudrage versus pleural abrasion

    The aim of this study was to compare talc poudrage and pleural abrasion in the treatment of spontaneous pneumothorax. A retrospective comparative study was performed, including 787 patients with primary spontaneous pneumothorax. The 787 patients were classified into two groups: Group A (pleural abrasion) n = 399 and Group B (talc pleurodesis) n ...

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  • Video-assisted subtotal parietal pleurectomy: an effective

    2022.5.26  Meanwhile, mechanical pleurodesis includes pleural abrasion and pleurectomy. Several studies have found that compared with pleural abrasion, even though the surgical procedure of pleurectomy is more complicated, pleurectomy has still advantage in controlling pneumothorax recurrence [ 7 , 8 ], and it might have similar outcomes as

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  • Abrasion Reduction With Talc Grinding Machine

    Abrasion Reduction With Talc Grinding MachineAbrasion Reduction With Talc Grinding Machine Effect Of Combined Mechanical And Ultrasonic Milling On Jul 16 2019 abrasion reduction with talcThe main environmental issue tackled by the project is the treatment of waste, in particular spent p Abrasion Wearing, grinding, or rubbing away by friction ...

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  • Talc-filled PP: A new concept to maintain long term heat

    2021.10.25  formulations containing talc and modifier degraded after ap-proximately 65 days at 150 C, independent of the processing conditions (Fig. 2). The second extrusion cycle led to a small reduction of the life-time of the samples. The formulation with talc added by the side-feeder was slightly more heat stable than the remaining talc containing ...

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  • Humic acid-enhanced illite and talc formation

    2016.12.30  Introduction. Since the successful isolation of microorganisms that can harvest energy through coupling the oxidation of organic matter to the reduction of Fe(III) (Lovley et al., 1987, Myers and Nealson, 1988), microbially mediated iron reduction has attracted scientific interest in the last three decades (Dong et al., 2009, Konhauser et al.,

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  • Effect of Talc on Rolling Resistance in Tread Compounds

    2023.10.17  ent LabPresented at 2008 ITEC in Akron, OH September 16-18th, 2008ABSTRACTThe effect of talc on the rolling resistance in both carbon. black and precipitated silica reinforced tire-tread compounds was evaluated. The results indicate that 5 phr of Mistron® Vapor R talc can be used as a dispersion aid to reduce the mixing time

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  • Talc as Reinforcing Filler in Polypropylene Compounds: Effect

    2017.7.1  Talc and CaCO3 are among the most preferred fillers used to produce PP compounds. At low loadings, talc can act as a nucleating agent, reducing PP spherulite size and shortening the processing ...

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  • Comparative study of talc poudrage versus pleural abrasion

    2012.4.18  The first catheter was withdrawn 24 h after surgery and the second 48–72 h later, if air leaks had not been observed, and complete lung re-expansion was observed by radiological controls [Group A = pleural abrasion (Table 1) including 399 patients and Group B = talc poudrage with sterile talc including 388 patients (Table 2)].

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  • Talc Poudrage SpringerLink

    2012.1.1  Talc is a mineral defined as hydrated magnesium silicate in its pure form. Talc was used for pleurodesis for the first time in 1935 by the Canadian lung surgeon Norman Bethune who helped the sufferers in the Spanish Civil War regardless of their uniform and first organized a mobile blood transfusion service [].In the second half of the

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  • Friction and wear durability study of epoxy-based polymer

    2016.9.15  SU-8 composites with weight percentages (wt%) of 5 wt%, 10 wt%, 20 wt% and 30 wt% of graphite or talc and 2.5 wt%, 5 wt%, 10 wt% and 15 wt% of both (1:1 ratio of graphite and talc) were prepared.After measuring the filler material in a microbalance (Citizen Scales, India), the powder was thoroughly mixed with SU-8 (liquid form before

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  • VATS Partial Pleurectomy Versus VATS Pleural Abrasion

    VATS Partial Pleurectomy Versus VATS Pleural Abrasion: Significant Reduction in Pneumothorax Recurrence Rates After Pleurectomy World J Surg. 2018 Oct;42 (10):3256 ... Results: Pleural abrasion was performed in 34/107 patients, 73/107 patients underwent partial pleurectomy. There were no statistically significant differences in age, sex, body ...

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  • Humic acid-enhanced illite and talc formation

    2016.12.30  Our laboratory incubation experiments showed that Fe(III) reduction in nontronite by a typical DIRB S. oneidensis MR-1 was greatly enhanced by AQDS and humic acid. At the end of the experiments, the extent of iron reduction was 27.5% for humic acid-amended bioreactors, significantly lower than that with treatment of AQDS (34.1%).

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  • Video‐Assisted Thoracic Surgery (VATS) Talc Pleurodesis

    There has been much debate on the ideal mode of pleurodesis, but the literature on surgical outcomes comparing VATS pleurectomy with talc pleurodesis has been inconclusive. Methods. We performed a single-centre 5-year observational retrospective study of 202 patients who underwent VATS bullectomy with talc pleurodesis or parietal pleurectomy ...

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  • Chemical pleurodesis - Respiratory Research

    2019.11.7  Chemical pleurodesis is a therapeutic procedure applied to create the symphysis between the parietal and visceral pleura by intrapleural administration of various chemical agents (e.g. talk, tetracycline, iodopovidone, etc.). The two major clinical conditions treated with chemical pleurodesis are recurrent pleural effusion (PE) and recurrent

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  • Influence of talc particle size and content on crystallization

    2014.4.22  Three different talc particle sizes, namely 1, 5 and 30 µm, were used as nucleating agents; each was compounded with PLA at various contents from 0 to 10 wt%. The crystallization temperature (T c) reduced most rapidly from 128 to 107 °C with the presence of 1 wt% talc. ... They found a drastic reduction in the t 1/2 by 35-fold when talc

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  • (PDF) Surface Modification of Talc Particles with

    2016.8.29  Commercial talc was modified with phthalimide to produce a composite filler, which was characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction spectroscopy (XRD), X-ray ...

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  • Pleural Abrasion SpringerLink

    2012.1.1  Pleural abrasion represents a surgical technique employed to obtain pleural symphysis in spontaneous pneumothorax. In 1941, Tyson described excision of blebs and gauze abrasion of the pleura as a procedure to prevent recurrence in spontaneous pneumothorax [].Gaensler, in 1956, reported the first series of patients with recurrent

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  • Review Talc Pleurodesis in Pleural Disease

    2019.4.9  ing sites, talc also contains calcium, magnesium, iron and variable amounts of mineral contami-nants, such as chlorite, dolomite, calcite and quartz. FDA- FDA-approved industrial talc is carefully select-ed to remain asbestos-free. Sterilization is per-formed by gamma irradiation. When processed, pulverized talc is graded according to the size of

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  • MICRONIZED TALC: A COST-EFFECTIVE FUNCTIONAL

    In fact, a generic size reduction process with a generic talc source cannot provide the proper final characteristics of fine talc: similar particle size distribution could be reached, but performances in the final application could result significantly different. ... abrasion. Some antiblocking agents (such as calcined clay) impart a visible ...

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