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N- methyl pyrrolidone excellent solvent high selectivity good stability of other chemical raw materials

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  • N-Methyl pyrrolidone ( NMP ) - MYJ Chemical

    37 行 · 2020-4-24 · N-Methyl pyrrolidone ( NMP ) Molecular formula: C5H9NO This product is an important chemical raw materials, is a kind of high selectivity and good stability of polar solvent, has low toxicity, high boiling point, solubility and strong, non flammable, Recyclable using biodegradable.

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  • China N-Methyl Pyrrolidone (NMP) CAS 872-50

    N-Methyl Pyrrolidone Chemical Properties: Melting point −24 °C(lit.) ... high boiling point, outstanding solvency, high selectivity and good stability. It is Widely used in purification of aromatics extraction, acetylene, olefin, diolefin, as solvent of polyvinylidene fluoride, lithium ion secondary battery electrode materials, in the ...

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  • China N-Methyl-2-Pyrrolidone, NMP, CAS No.:

    This product is an excellent solvent with the advantages of low toxicity, high boiling point, outstanding solubility, good selectivity and good stability. It is w idely used in aromatic extraction, acetylene purification, lithium ion battery electrode auxiliary materials .

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  • China Best Quality Solvent N-Methyl-2

    Application of N-Methylpyrrolidone NMP. N-Methyl-2-pyrrolidone is an important chemical raw material, a polar solvent with good selectivity and stability properties, low toxicity, high boiling point, strong solvency, non-inflammable, has many advantages, such as the biodegradation, reutilization, safety in use and suitable …

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  • n methyl pyrrolidone nmp pharmaceutical grade, n

    It can almost dissolve in all the solvents Usage: As a high-selective polar solvent and nitrogen heterocycle compound, NMP has such advantages as non-toxicity, high boiling point, low corrosion, high solubility, low viscosity, low volatility and good stability and high selectivity. N-Methyl-pyrrolidone(electronic grade) is mainly …

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  • China Solvent NMP N-Methyl-Pyrrolidone CAS

    NMP (N-methyl-pyrrolidone), 1-Methyl-2-Pyrrolidone, N-Methyl-2-Pyrrolidone manufacturer supplier in China, offering Solvent NMP N-Methyl-Pyrrolidone CAS No.: 872-50-4, Full Nutrition Balance High Purity Chelating State Water Soluble Fertilizer NPK 20-20-20+Te NPK 19-19-19+Te, Packaging Box for Agriculture Hot …

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  • N-Methyl Pyrrolidone(NMP) | tradekorea

    Description Product Name:N-Methyl Pyrrolidone(NMP)Synonyms:N-Methyl-2-pyrrolidoneCAS No.:872-50-4EINECS:212-828-1Molecular Formula:C5H9NOMolecular Weight:99.34Physical properties:GeneralColorless and transparent liquid, with boiling point 202oC and flash point 95oC, can dissolvable in water and many solvents, such as acetaldehyde, ether, acetone, etc.Advantage High solvent …

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  • nmp solvent suppliers/Chemicals - KitaiRu.NET

    Uses of N-Methyl Pyrrolidone (NMP) 1-Methyl-2-pyrrolidinone (NMP) is a polar aprotic solvent that has the advantages of low toxicity, high boiling point, outstanding solvency, strong selectivity, and good stability. It is widely used in purification of aromatic hydrocarbon extraction, acetylene, olefins, and diolefins.

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  • Eastman | N-Methyl-2-Pyrrolidone (NMP)

    N-Methyl-2-Pyrrolidone (NMP) is a high boiling, polar aprotic, low viscosity liquid. NMP has a good solvency for a wide range of organic and inorganic compounds and it is miscible with water at all temperatures and has a high chemical and thermal stability. It is used as a solvent for engineering polymers and coating resins.

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  • N-Methyl-2-Pyrrolidone - an overview |

    2015-3-23 · The solvent used in the Purisol process is N-methyl-2-pyrrolidone (NMP), a high boiling liquid, which has an exceptionally high solubility for hydrogen sulfide. NMP is particularly suitable for selective hydrogen sulfide absorption in the presence of carbon dioxide, since, as shown in Table 14-4 , H 2 S solubility is …

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  • N-METHYL PYROLIDONE - Ataman Kimya

    N-Methyl-2-pyrrolidone is an important chemical raw material, a polar solvent with good selectivity and stability properties, low toxicity, high boiling point, strong solvency, non-inflammable, has many advantages, such as the biodegradation, reutilization, safety in use and suitable for many kinds of prescription,etc.

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  • China High Purity N-Methylpyrrolidin-2-One CAS

    This product is an excellent solvent with the advantages of low toxicity, high boiling point, outstanding solubility, good selectivity and good stability. It is widely used in aromatic extraction, acetylene purification, lithium ion battery electrode auxiliary materials.

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  • N-Methyl-2-pyrrolidone (NMP) ≥99.8%,

    Avantor ®, a Fortune 500 company, is a leading global provider of mission-critical products and services to customers in the biopharma, healthcare, education & government, and advanced technologies & applied materials industries.Our portfolio is used in virtually every stage of the most important research, development and …

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  • Modern Chemical Industry

    2021-3-24 · N-methyl pyrrolidone was chosen as the solvent for separation of ethyl acetate and n-heptane system in extractive distillation by the UNIFAC group contribution method.The vapor-liquid equilibrium for ethyl acetate and n-heptane system with N-methyl pyrrolidone under atmospheric pressure was performed.It indicated N-methyl pyrrolidone …

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  • hnprosperchem

    2019-8-23 · N-Methyl Pyrrolidone (NMP) 1-Methyl-2-pyrrolidinone (NMP) is a polar aprotic solvent that has the advantages of low toxicity, high boiling point, outstanding solvency, strong selectivity, and good stability. It is widely used in purification of aromatic hydrocarbon extraction, acetylene, olefins, and diolefins.

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  • Re-refining of waste mineral insulating oil by

    Extraction with N-methyl-2-pyrrolidone (NMP) via the three-stage mixer–settler operation was studied as possible process for re-refining of waste mineral insulating …

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  • Solvent users look to replace NMP - ResearchGate

    Pt immobilized onto the Brønsted solid acid Aquivion is shown to be the most efficient catalyst, with a productivity of N‐heptyl‐5‐methyl‐2‐pyrrolidone of 7.9 mmolgcat−1 h−1 reached ...

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  • Chemical Journal of Chinese Universities

    2021-3-31 · Permanently microporous MOFs materials have attracted considerable attention due to the large internal surface areas, uniform channels, thermal stability and other potential applications, such as gas separation and storage, catalysis, drug release and chemical sensing.

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  • TNJ Chemicals, 솔벤트, Solvent, 모든 케미컬 재료

    N-Methyl-2-pyrrolidone NMP CAS 872-50-4 N-Methyl-pyrrolidone NMP CAS 872-50-4 is an important chemical raw material, a polar solvent with good selectivity and stability properties, low toxicity, high boiling point, strong solvency, non …

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  • Molecular Separation with Organic Solvent

    2021-3-12 · The solvent stability was assessed via permeation experiments; based on these experiments, membranes were stable in methanol, ethanol, isopropanol, n-hexane, and n-heptane and unstable in acetone and methyl ethyl ketone. However, to fully assess their stability in those solvents, membrane rejection should also be …

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  • 1-Methyl-2-pyrrolidinone | 872-50-4

    N-Methyl-2-Pyrrolidone (NMP) is a powerful, aprotic solvent with high solvency, and low volatility. This colorless, high boiling, high flash point and low vapor pressure liquid carries a mild amine-like odor. NMP has high chemical and thermal stability and is completely miscible with water at all temperatures.

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  • 1-Methyl-2-pyrrolidinone, CasNo.872-50-4

    1-Methyl-2-pyrrolidinone is an excellent extraction solvent, widely used as extracting agent for aromatic extraction, acetylene concentration, separation of butadiene and synthetic gas desulfurization process, etc, also as the solvent of pesticides, plastics, paints, production of synthetic, integrated circuits, etc.

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  • Chemicals 1 - Diethyl Ether Anhy/High

    N-Methyl-2-Pyrrolidone (NMP) is a powerful solvent with broad solubility for resins and high chemical and thermal stability. It is completely soluble with water at all temperatures and is soluble with most organic solvents. Product Data and Technical Information Corporate Statement . LyondellBasell is a leading producer of NMP. …

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  • TNJ Chemicals, 솔벤트, Solvent, 모든 케미컬 재료

    N-Methyl-2-pyrrolidone NMP CAS 872-50-4 N-Methyl-pyrrolidone NMP CAS 872-50-4 is an important chemical raw material, a polar solvent with good selectivity and stability properties, low toxicity, high boiling point, strong solvency, non …

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  • Journal of Chemical & Engineering Data | Vol 57,

    Journal of Chemical & Engineering Data 2012, ... Crystal Structures of the Adductive 2,6-Naphthalenedicarboxylic Acid Crystallization with N,N-Dimethyl Acetamide and N-Methyl Pyrrolidone. Bianhua Wu, ... Stability Constants for the 18-Crown-6–Sodium Ion Complex in Mixtures of Water and Butan-1-ol or Butan-2-ol.

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  • Journal of Asian Ceramic Societies - tandfonline.com

    2015-10-21 · gas permeability and selectivity effect. 2. Materials and experimental methods 2.1. Materials Kaolin powder was purchased from QReC as the ceramic mate-rial. N-methyl-2-pyrrolidone (NMP) was purchased from Merck and used as solvent. Polyethersulfone (PESf) (UDEL) as binder was provided by BGOIL CHEM. …

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  • Chemical Journal of Chinese Universities

    2021-3-31 · Permanently microporous MOFs materials have attracted considerable attention due to the large internal surface areas, uniform channels, thermal stability and other potential applications, such as gas separation and storage, catalysis, drug release and chemical sensing.

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  • Frontiers | A Mini Review of the Preparation and ...

    The successful preparation and application of graphene shows that it is feasible for the materials with a thickness of a single atom or few atomic layers to exist stably in nature. These materials can exhibit unusual physical and chemical properties due to their special dimension effects. At present, researchers have made great …

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  • Biomethane generation from biogas upgrading by

    selectivity as discovered by Robeson.8 In addition, inorganic membranes have also been examined for gas separation due to their promising characteristics such as high permeability and selectivity, and good thermal and chemical stability. Neverthe-less, inorganic membranes are expensive and complicated to

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  • Niobium phosphotungstates: excellent solid acid

    Niobium phosphotungstates: excellent solid acid catalysts for the dehydration of fructose to 5-hydroxymethylfurfural under mild conditions†. Guo Qiu a, Xincheng Wang b, Chongpin Huang * a, Yingxia Li a and Biaohua Chen a a State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, …

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  • Journal of Chemical & Engineering Data | Vol 57,

    Journal of Chemical & Engineering Data 2012, ... Crystal Structures of the Adductive 2,6-Naphthalenedicarboxylic Acid Crystallization with N,N-Dimethyl Acetamide and N-Methyl Pyrrolidone. Bianhua Wu, ... Stability Constants for the 18-Crown-6–Sodium Ion Complex in Mixtures of Water and Butan-1-ol or Butan-2-ol.

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  • A Ni-based catalyst with polyvinyl pyrrolidone as a

    Polyvinyl pyrrolidone (PVP) has received special attention because of its high chemical stability, non-toxicity and excellent solubility in many polar solvents. PVP-stabilized metals not only exhibit a high degree of metal dispersion but are also stabilized against agglomeration [20–23]. Carotenuto et al. and Wang et al.

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  • Engineering of Yolk/Core–Shell Structured

    2021-4-2 · The laser monitor technique was used to determine solubilities and supersolubilities of HNS in N,N-dimethylformamide, dimethyl sulfoxide, acetonitrile, N-methyl-2-pyrrolidone and 1,4-butyrolactone. The experimental solubility values were correlated with λ h equation, modified Apelblat equation and NRTL model.

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  • Molecules | Free Full-Text | Cellulose-Based

    Besides silica, porous carbon shells derived from polymers (e.g., dopamine, resorcinol‐formaldehyde resin, 3‐aminophenol‐formaldehyde resin) has the unique characteristics of good chemical inertness, excellent thermodynamic stability and high conductivity as shells.

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  • Supercritical diethylamine facilitated loading of ...

    Rodrigues et al. presented a CMSM with extremely high separation performance: the CMSM carbonized at 600 °C is situated far above Robeson’s upper bound, showing a O 2 /N 2 selectivity greater than 800, a CO 2 /CH 4 selectivity greater than 2600 and a H 2 /CH 4 selectivity greater than 25,000, but with low permeability.

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  • Carbon dioxide capture and utilization in

    2018-1-15 · Such high S enhances the number of active sites per unit mass upon which catalytic reactions can occur via chemisorption of the substrates. High-resolution TEM analyses (figures 1(b), S2 and S3, ESI) revealed the good crystalline features of the support as well as Ru NPs. The fringes with a lattice spacing of …

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  • Petroleum Refinery Engineering-Part-2-30-July

    2014-3-23 · The reduction of greenhouse gas emissions is an ever-increasing challenge for production units and power plants in view of the global warming concerns. Carbon dioxide capturing from petrochemical process streams and flares has been recognized as one of the several strategies necessary for mitigating the …

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  • High-performance plastics - WikiMili, The Best

    2016-7-31 · 110 Dewaxing: Solvents [1, 4] MEK displays low solvent power for paraffinic compounds (and therefore good selectivity) Toluene has excellent solvent power for base stocks The proportions in the mixture of these two solvents can be optimized. 111. 111 Dewaxing: Solvents [12] 112. 112 Simplified dewaxing PFD [4] …

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  • Semi-interpenetrating Network Membrane from ...

    In the present work, a semi-interpenetrating network (semi-IPN) high-temperature proton exchange membrane based on polyethyleneimine (PEI), epoxy resin (ER), and polybenzimidazole (PBI) was prepared and characterized, aiming at their future application in fuel cell devices. The physical properties of the semi-IPN membrane …

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  • A Ni-based catalyst with polyvinyl pyrrolidone as a

    Polyvinyl pyrrolidone (PVP) has received special attention because of its high chemical stability, non-toxicity and excellent solubility in many polar solvents. PVP-stabilized metals not only exhibit a high degree of metal dispersion but are also stabilized against agglomeration [20–23]. Carotenuto et al. and Wang et al.

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  • Aerobic selective oxidation of biomass-derived 5 ...

    2021-4-7 · In addition, the N content might be derived from the used solvent DMF, the mass percentage of which was 0.1% to 0.2%, which indicated that the solvent DMF had a good stability in the oxidation reaction under the given conditions. Table 1. Elemental Analyses of the Fresh and Spent AMD Catalysts

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  • Chemical Modification of Polysaccharides - Hindawi

    2021-4-2 · The laser monitor technique was used to determine solubilities and supersolubilities of HNS in N,N-dimethylformamide, dimethyl sulfoxide, acetonitrile, N-methyl-2-pyrrolidone and 1,4-butyrolactone. The experimental solubility values were correlated with λ h equation, modified Apelblat equation and NRTL model.

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  • BJOC - Ionic liquids as transesterification

    This review covers methods for modifying the structures of polysaccharides. The introduction of hydrophobic, acidic, basic, or other functionality into polysaccharide structures can alter the properties of materials based on these substances. The development of chemical methods to achieve this aim is an ongoing area of …

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  • Chemical Journal of Chinese Universities

    Even though conversions were good after 8 h, the selectivity toward the desired product was still subject to improvement. Up to 99% EO conversion and 74% DMC selectivity were the best performances, obtained using 6-(N’,N’-dimethylamino)-1-(N,N,N-trimethylammonium)hexane iodide [N 111,6 N 11]I as the catalyst. The …

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  • Carbon dioxide capture and utilization in

    2021-1-31 · Fe, N co-doped carbon nanoplate catalyst with high active sites was developed via methods of polymerization of triazine polyimide and carbonization within melting salt of ZnCl 2 /KCl with the aid of g-C 3 N 4 to anchor Fe 3+. The as-prepared NPT-C 3 N 4-0.5 catalyst displays high specific surface area of 1794 m 2 …

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  • JMS2002 - SlideShare

    2014-3-23 · The reduction of greenhouse gas emissions is an ever-increasing challenge for production units and power plants in view of the global warming concerns. Carbon dioxide capturing from petrochemical process streams and flares has been recognized as one of the several strategies necessary for mitigating the …

    Get Price