1,3,5-trinitro-1,3,5-triazinane (RDX) crystal powder with particle sizes of 107 μm to 391 μm was obtained from the Agency for Defense Development (ADD), Daejeon, South Korea. ɣ-butyrolactone (GBL) and cellulose acetate butyrate (CAB; average Mn: ~65,000) were purchased from Sigma-Aldrich (St. Louis, MO, USA). P-type (boron-doped) silicon wafers with thicknesses of 525 ± 25 µm and polished on a single side, which were purchased from Silicon Technology Co. (Tokyo, Japan), were used as the printing substrates.
Cellulose acetate butyrate
Manufactured by Merck Group
Sourced in United States
Cellulose acetate butyrate is a type of cellulose ester used in various laboratory applications. It is a thermoplastic material with specific physical and chemical properties. The core function of cellulose acetate butyrate is to serve as a component in the manufacture of laboratory equipment and devices.
Automatically generated - may contain errors
Lab products found in correlation
Noran system 7, by Thermo Fisher Scientific (1 mentions)
Sodium perchlorate, by Merck Group (1 mentions)
Concentrated sulfuric acid, by Merck Group (1 mentions)
Ethanol, by Merck Group (1 mentions)
Acetone, by Merck Group (1 mentions)
Sodium hydroxide (naoh), by Merck Group (1 mentions)
Ammonium persulfate, by Merck Group (1 mentions)
Ethyl acetate, by Merck Group (1 mentions)
Dihydrolevoglucosenone, by Merck Group (1 mentions)
4 protocols using cellulose acetate butyrate
1
RDX Crystal Powder Printing on Silicon Wafers
2
Electrospinning of PET/Cellulose Acetate Butyrate Composite Fibers with Insulgel Aerogel Particles
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PET (ES306313) was purchased from Goodfellow (UK), and cellulose acetate butyrate (Mw 30,000 g/mol) from Sigma Aldrich (Denmark); Insulgel™ hydrophobic silica aerogel particles with grain sizes in the range of 1–44 µm were purchased from Insulgel High-Tech (Beijing) Co., Ltd. (Beijing, China). The experiments were performed using a downward electrospinning setup, as shown in Figure 1 , where a positive potential was applied to the collector while the spinneret was connected to ground. The electrospinning nozzles and aerogel outlets were 3 mm and 1 mm in diameter, respectively. The aerogel was transported into the spinneret by compressed dry air.
The fibers were characterized by scanning electron microscopy (SEM, Zeiss XB40, Germany); the fiber diameter distribution was extracted from the SEM images. The presence of aerogel in the composite fibers was validated using energy dispersive X-ray spectroscopy (EDX, Thermo Scientific NORAN System 7, USA).
The fibers were characterized by scanning electron microscopy (SEM, Zeiss XB40, Germany); the fiber diameter distribution was extracted from the SEM images. The presence of aerogel in the composite fibers was validated using energy dispersive X-ray spectroscopy (EDX, Thermo Scientific NORAN System 7, USA).
3
Electrochemical Analysis of Monolayer Graphene
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The sodium hydroxide (NaOH), hydrochloride (HCl), ammonium persulfate ((NH 4 ) 2 S 2 O 8 ), concentrated sulfuric acid (H 2 SO 4 ), 30 wt% hydrogen peroxide solution (H 2 O 2 ), cellulose acetate butyrate (CAB), ethyl acetate, ethanol, and acetone (>99%, analytical grade) were purchased from Sigma-Aldrich, and used without further purication. Sodium perchlorate (NaClO 4 , metals basis, 99.99%) was obtained from Merck and used as a supporting electrolyte in our electrochemical experiment with a concentration of 10 mM or 100 mM. Deionized water (pH ∼ 5.6) was provided by a Milli-Q system (resistivity $ 18.2 MU cm and TOC # 4 ppb). CVD-grown monolayer graphene on a copper foil was purchased from Grolltex Inc.
4
Conductive Ink Formulation with Graphene
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In this work, HRCM was employed as the conductive filler particles of ink suspensions and was provided by Inter Est Group (Cagliari-Italy). HRCM is a powder made of expanded graphite obtained via thermochemical reaction as reported in Patent US 7842271B2, which was previously morphologically characterized by Spissu and coworkers [40 ,41 (link)]. After being dispersed in isopropanol by ultrasonication (GT SONIC-D6, 40 kHz, 150 W) for 4 h, HRCM is present mainly in the form of superimposed high-ratio flakes with few layers of graphene sheets, as shown by transmission electron microscopy (TEM) images in Figure 1 . The binder polymer and the solvent medium are, respectively, cellulose acetate butyrate, CAB (average molecular weight Mw = 70 kg/mol, Sigma Aldrich), and dihydrolevoglucosenone (≥98.5% purity, average molecular weight Mw = 128.13 g/mol, boiling temperature Tb = 227 °C, Sigma Aldrich, St. Louis, MO, USA) also known under the commercial name Cyrene. All the aforementioned materials were used as received from the manufacturer.
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