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N- methyl pyrrolidone as raw material of chemical additives is an excellent advanced solvent and a strong selective catalyst

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  • N-Methyl pyrrolidone 872-50-4, China N-Methyl

    Alias: NMP; N-methyl-2-pyrrolidone; 1-methyl-2-pyrrolidone Name :1-Methyl-2-pyrrolidinone CAS NO. :872-50-4 Properties: NMP belongs Heterocyclic Compound, with excellent physical and chemical properties; it is a non-toxic, efficient & selective solvent, with high boiling point, polarity, low viscosity, corrosion, solubility, low volatility ...

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  • N-Methyl-2- pyrrolidone(NMP), CasNo.872-50-4

    N-Methyl-2-pyrrolidone (NMP) 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 …

    Get Price
  • (PDF) Review of pharmaceutical applications

    N-Methyl-2-pyrrolidone (NMP) is a polar aprotic solvent that is frequently used in industrial and pharmaceutical settings 30. NMP is remarkably effective in maintaining dispersions of different ...

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  • (PDF) Review of Pharmaceutical Applications of N

    Pyrrolidone series products include NMP,NOP,NEP,NVP,PVP K,PVP I,2-Pyrrolidone etc.Each products has variety of uses,such as industrial,electronic,pharma etc.Hefei Teng Chao have over 10 years experience,We will be committed to building a complete production line for a long time to meet the different needs of our customers. PYRROLIDONE. Read More.

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  • N-Methylpyrrolidone,2-Pyrrolidone,Fine Chemical

    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 almost 9 times that of CO 2.

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

    1-Methyl-2-pyrrolidinone is an important chemical raw material. It is a selective and strong polar solvents, and has good stability, low toxicity, high boiling point, strong dissolving capacity, non flammable, biodegradable, Recyclable utilization. QINGDAO ON-BILLION INDUSTRIAL CO.,LTD was established in 2004 with registered capital RMB 26 million.

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  • CAS No.872-50-4,1-Methyl-2-pyrrolidinone

    As an excellent catalyst, DES has been used in PET degradation reaction, but its recovery is currently achieved by evaporating a large amount of solvent,which will undoubtedly consume a lot of energy.

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  • (PDF) The Effects of Alkali and Temperature

    2012-7-6 · Chinese Journal of Chemical Engineering. An efficient method to prepare porous polymer microspheres in foam phase which is a technical improvement on the traditional solvent evaporation method was reported in this work. The method is universal to non-crosslinked polymers, which enables a short time for the preparation process with a high yield ...

    Get Price
  • N-Methyl pyrrolidone 872-50-4, China N-Methyl

    Alias: NMP; N-methyl-2-pyrrolidone; 1-methyl-2-pyrrolidone Name :1-Methyl-2-pyrrolidinone CAS NO. :872-50-4 Properties: NMP belongs Heterocyclic Compound, with excellent physical and chemical properties; it is a non-toxic, efficient & selective solvent, with high boiling point, polarity, low viscosity, corrosion, solubility, low volatility ...

    Get Price
  • N-Methyl-2- pyrrolidone(NMP), CasNo.872-50-4

    N-Methyl-2-pyrrolidone (NMP) 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 …

    Get Price
  • (PDF) Review of pharmaceutical applications

    N-Methyl-2-pyrrolidone (NMP) is a polar aprotic solvent that is frequently used in industrial and pharmaceutical settings 30. NMP is remarkably effective in maintaining dispersions of different ...

    Get Price
  • (PDF) Review of Pharmaceutical Applications of N

    Pyrrolidone series products include NMP,NOP,NEP,NVP,PVP K,PVP I,2-Pyrrolidone etc.Each products has variety of uses,such as industrial,electronic,pharma etc.Hefei Teng Chao have over 10 years experience,We will be committed to building a complete production line for a long time to meet the different needs of our customers. PYRROLIDONE. Read More.

    Get Price
  • N-Methylpyrrolidone,2-Pyrrolidone,Fine Chemical

    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 almost 9 times that of CO 2.

    Get Price
  • N-Methyl-2-Pyrrolidone - an overview | ScienceDirect

    1-Methyl-2-pyrrolidinone is an important chemical raw material. It is a selective and strong polar solvents, and has good stability, low toxicity, high boiling point, strong dissolving capacity, non flammable, biodegradable, Recyclable utilization. QINGDAO ON-BILLION INDUSTRIAL CO.,LTD was established in 2004 with registered capital RMB 26 million.

    Get Price
  • CAS No.872-50-4,1-Methyl-2-pyrrolidinone

    As an excellent catalyst, DES has been used in PET degradation reaction, but its recovery is currently achieved by evaporating a large amount of solvent,which will undoubtedly consume a lot of energy.

    Get Price
  • (PDF) The Effects of Alkali and Temperature

    2012-7-6 · Chinese Journal of Chemical Engineering. An efficient method to prepare porous polymer microspheres in foam phase which is a technical improvement on the traditional solvent evaporation method was reported in this work. The method is universal to non-crosslinked polymers, which enables a short time for the preparation process with a high yield ...

    Get Price
  • Ashland | Products

    The material is supplied as a 25 percent aqueous solution and is an excellent film-former. EasySperse P-20 polymer is a spray-dried, optimized composite polyvinyl pyrrolidone (PVP) and methyl vinyl ether/maleic acid half ester. It offers superior stability of hydrophobic actives and excellent compatibility with formulation ingredients.

    Get Price
  • Catalytic oxidation of volatile organic compounds

    2016-9-1 · The activity of the MnO 2 catalyst for the oxidation of ethyl acetate and n-hexane is even higher than the activity of the Pt/TiO 2 catalyst (Sun et al., 2015). The high efficiency of the catalyst is attributed to the coexistence of mixed valence states Mn 2+ /Mn 3+ or Mn 3+ /Mn 4+ and lattice oxygen ( Gandhe et al., 2007 , Kim and Shim, 2010 ).

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  • ACS Omega | Ahead of Print - American Chemical

    Changes in Esculeoside A Content in Different Regions of the Tomato Fruit during Maturation and Heat Processing; 100th Anniversary of Macromolecular Science Viewpoint: User’s Guide to Supramolecular Peptide–Polymer Conjugates

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  • A power-triggered preparation strategy of nano

    Jung and co-workers used 1-methyl-2-pyrrolidone as a solvent to prepare MOF-177 (MOF or metal–organic framework) or Zn 4 O(BTB) 2 (BTB or 4,4′,4′′-benzene-1,3,5-triyl-tribenzoate), within only an hour by the ultrasound-assisted method. 144 Similarly, the sonochemical preparation of spherical Mg-MOF-74, 145 namely Mg 2 (DHTP)(H 2 O) 2 ...

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  • Facile synthesis of crystalline viologen-based porous ...

    Their crystalline and porous structures, morphological features and chemical structures and compositions were fully characterized by various advanced techniques. The optimal catalyst VIP-Br afforded a high yield of 99% in the synthesis of cyclic carbonate by CO 2 cycloaddition with epichlorohydrin under atmospheric pressure (1 bar) and a low ...

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  • A Ni-based catalyst with polyvinyl pyrrolidone as a ...

    Fluid catalytic cracking catalyst residue (FC3R) is the spent catalyst from the process in petroleum refining owing to coke and substantial deposits of heavy metal contaminants such as Ni, Fe and V [].Every year, over 300 000 tons of this solid waste [], which mainly consists of SiO 2 and Al 2 O 3 [14,15], is discharged from petroleum refineries.It is mainly disposed in landfills, which not ...

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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 tested.

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  • BJOC - Ionic liquids as transesterification catalysts ...

    Introduction Transesterification catalysts. The transesterification is one of the classical organic reactions that has found numerous applications in laboratory practice as well as in the synthesis of a variety of intermediates in the pharmaceutical, cosmetic, fragrance, fuel and polymers industries .Transesterification reactions are catalyzed under acidic, basic or even neutral conditions .

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  • Ashland | Products

    The material is supplied as a 25 percent aqueous solution and is an excellent film-former. EasySperse P-20 polymer is a spray-dried, optimized composite polyvinyl pyrrolidone (PVP) and methyl vinyl ether/maleic acid half ester. It offers superior stability of hydrophobic actives and excellent compatibility with formulation ingredients.

    Get Price
  • Method for conditioning halogenated polymeric

    17. The method of claim 16 wherein said solvent is selected from the group of N-methyl-2-pyrrolidone, N,N-dimethylformamide, acetonitrile and propylene carbonate. 18. The method of claim 16 wherein said solvent is free of ether and amine. 19. The method of claim 1 wherein said solvent is an aprotic, polar solvent…

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  • Production and processing of graphene and related ...

    2020-1-29 · 1 Physikalisch-Chemisches Institut, University of Heidelberg, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany. 2 School of Physics, Centre for Research on Adaptive Nanostructur

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  • (PDF) Biorefineries and Chemical Processes: Design ...

    1999-12-31 · Rare earth elements (REEs) are widely used in the areas of industry, agriculture and modern technologies, e.g., as growth promotion agent in agriculture,catalyst in oil refining, additives in new ceramic material and special steels, etc.

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  • Ashland | Products

    The material is supplied as a 25 percent aqueous solution and is an excellent film-former. EasySperse P-20 polymer is a spray-dried, optimized composite polyvinyl pyrrolidone (PVP) and methyl vinyl ether/maleic acid half ester. It offers superior stability of hydrophobic actives and excellent compatibility with formulation ingredients.

    Get Price
  • Production and processing of graphene and related ...

    2020-1-29 · 1 Physikalisch-Chemisches Institut, University of Heidelberg, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany. 2 School of Physics, Centre for Research on Adaptive Nanostructur

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  • Cellulose and its derivatives: towards biomedical ...

    2021-1-27 · Cellulose is the most abundant polysaccharide on Earth. It can be obtained from a vast number of sources, e.g. cell walls of wood and plants, some species of bacteria, and algae, as well as tunicates, which are the only known cellulose-containing animals. This inherent abundance naturally paves the way for discovering new applications for this versatile material.

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  • Ink-based 3D printing technologies for graphene

    2019-1-14 · 3D printing (3DP) including light-based 3DP and ink-based 3DP is a rapidly developing technology, which has received much attention of late. Light-based 3DP provides higher feature resolution, but the appropriate materials are limited. Ink-based 3DP is compatible with numerous types of materials, which can be prepared into printable inks and thus has more potential to find novel …

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  • BJOC - Valorisation of plastic waste via metal

    This material joins the advantages of the ease of depolymerisation (97% monomer yield, 180 °C, toluene, 2 mol % ZnCl 2 catalyst), rigid structure of the monomer (which provides the polymer with good thermal and mechanical properties) and facile synthesis (ring-opening polymerisation, solvent-free, room temperature, La, Y or Zn catalyst ...

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  • (PDF) Various Fabrication Methods of Porous Ceramic ...

    2017-3-27 · CHEMICAL, MATERIAL AND METALLURGICAL ENGINEERING III, PTS 1-3, 2014, 881-883, 940-943 A Novel Method for the Rapid Detection of Benzo(A)Pyrene in Liquid Milk By Dimethyl Sulfoxide Selectively Enhanced Synchronous Fluorescence Spectrometry

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  • Proceedings of an International Conference on

    ----- NMP Formulations for Stripping in the OEM Market Sector Carl J. Sullivan ARCO Chemical Company Newtown Square, Pennsylvania Introduction AT-methyl pyrrolidone (NMP) is a recognized alter- native to methylene chloride-based solvent sys- tems as well as other organic-based solvent systems because of Its known effectiveness (Pal- mer, 1978 ...

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  • Frontiers | Recent Advances in Ruthenium-Catalyzed ...

    Levulinic acid (LA) is classified as a key platform chemical for the development of future biorefineries, owing to its broad spectrum of potential applications and because it is simply available from lignocellulosic biomass through inexpensive and high-yield production routes. Catalytic hydrogenation reactions of LA into the pivotal intermediate compound γ-valerolactone (GVL), and beyond GVL ...

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  • IOP Conference Series: Materials Science and

    Preface. The 5 th International Conference on Process Engineering and Advanced Materials (ICPEAM 2018) is biannual event organized by Chemical Engineering Department of Universiti Teknologi PETRONAS, under the banner of World Engineering, Science & Technology Congress (ESTCON 2018) that was successfully held in Kuala Lumpur, Malaysia in August 13-14, 2018.

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  • Frontiers | Waste-Derived Nanoparticles: Synthesis ...

    Graphene is a single-atom-thick sheet of sp2 hybridized carbon atoms packed into a honeycomb lattice structure. Prominent properties of this material are high surface area, high electrical conductivity, good chemical stability, and strong mechanical strength (Nair et al., 2008; Rao et al., 2009; Luo et al., 2012; Novoselov et al., 2012).

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  • EP3099400A1 - Nanofiltration membrane - Google

    EP3099400A1 EP15703310.1A EP15703310A EP3099400A1 EP 3099400 A1 EP3099400 A1 EP 3099400A1 EP 15703310 A EP15703310 A EP 15703310A EP 3099400 A1 EP3099400 A1 EP 3099400A1 Authority EP European Patent Office Prior art keywords membrane membranes polymer temperature peek Prior art date 2014-01-27 Legal status (The legal status is an assumption and is not …

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  • Two-Dimensional Material-Based Heterostructures for ...

    The successful development of 2D material-based heterostructures for rechargeable batteries has attracted worldwide attention due to their unique physical and chemical properties. In this review, Hu et al. summarize the synthetic methods, specific applications, and future research opportunities for 2D material-based heterostructures for advanced rechargeable batteries.

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  • Research on Chemical Intermediates | Standard

    Abbreviation of Research on Chemical Intermediates. The ISO4 abbreviation of Research on Chemical Intermediates is Res. Chem. Intermed. . It is the standardised abbreviation to be used for abstracting, indexing and referencing purposes and meets all criteria of the ISO 4 standard for abbreviating names of scientific journals.

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  • (PDF) Various Fabrication Methods of Porous Ceramic ...

    Various Fabrication Methods of Porous Ceramic Supports for Membrane Applications.Reviews in Chemical Engineering. Saravanan Pichiah. Related Papers. Role of Binder and Preparation Pressure in Tubular Ceramic Membrane Processing: Design and Optimization Study Using Response Surface Methodology (RSM)

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  • Pyridine compound - Daiichi Sankyo Company, Limited

    The invention claimed is: 1. A compound represented by the following general formula (I): wherein A represents one selected from the following formulae (Ia) to (Id): wherein R 1 represents a hydrogen atom or a C 1-C 3 alkyl group, and R 2 represents a hydrogen atom or a C 1-C 3 alkyl group, or a pharmaceutically acceptable salt thereof. 2. The compound of claim 1, of the formula: or a ...

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  • A review on commercial-scale high-value products

    2019-10-8 · The demand for fossil derivate fuels and chemicals has increased, augmenting concerns on climate change, global economic stability, and sustainability on fossil resources. Therefore, the production of fuels and chemicals from alternative and renewable resources has attracted considerable and growing attention. Ethanol is a promising biofuel that can reduce the consumption of gasoline in the ...

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  • Advanced carbon materials: electrochemical aspects |

    Resume : Study on electrochemical properties of N-methyl-2-pyrrolidone exfoliation graphene tuned by salts -assisting Jian Shen, Piaopiao Wei, Kangbing Wu* Key Laboratory for Material Chemistry of Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology ...

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  • Catalytic Production of Value-Added Chemicals and

    The efficient utilization of renewable lignocellulosic biomass has tremendous potential to reduce the excessive dependence on fossil fuels while fulfilling environmental and social objectives. This review describes recent advances on catalytic systems and reaction networks in the production of value-added chemicals and liquid fuels from lignocellulosic biomass with an emphasis on several ...

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  • Center for Energetic Concepts Development,

    2011-1-19 · The condition of the reaction was n(DMH): n (allylbromine): n (methyl alcohol solvent of KOH)=1: 1: 1,and water was used as solvent. The yield of ADMH is 50% and its purity is 99.97%. Chemical structure of ADMH was identified by TG-DTA,UV,NMR,FT-IR and MS etc. Melting point of ADMH is 65-66 °C and its decomposition temperature is 168.3 °C.

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  • Chemistry Letters: Vol 38, No 11 - CSJ

    The bimetallic catalyst Ru–Pt/AlOOH exhibited good catalytic performance in water for the hydrogenation of methyl propionate to 1-propanol. The selectivity to 1-propanol of 97.8% was obtained with a conversion of 89.1% at 453 K, 5 MPa for 6 h.

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  • Ionic Liquids in Chemical Engineering, Annual Review

    The development of engineering applications with ionic liquids stretches back to the mid-1990s when the first examples of continuous catalytic processes using ionic liquids and the first studies of ionic liquid–based extractions were published. Ever since, the use of ionic liquids has seen tremendous progress in many fields of chemistry and engineering, and the first commercial applications ...

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  • Pyridine compound - Daiichi Sankyo Company, Limited

    The invention claimed is: 1. A compound represented by the following general formula (I): wherein A represents one selected from the following formulae (Ia) to (Id): wherein R 1 represents a hydrogen atom or a C 1-C 3 alkyl group, and R 2 represents a hydrogen atom or a C 1-C 3 alkyl group, or a pharmaceutically acceptable salt thereof. 2. The compound of claim 1, of the formula: or a ...

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  • (PDF) Combinatorial Methods for Chemical and

    Combinatorial Methods for Chemical and Biological Sensors Combinatorial Methods for Chemical and Biological Sensors . Edited by Radislav A. Potyrailo (General Electric Company, Niskayuna, NY, USA) and Vladimir M. Mirsky (Lausitz University of Applied Sciences, Senftenberg, Germany).

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  • OPTIC publications GC Injection Techniques

    2021-4-13 · Automated determination of fatty acid methyl ester and cis/trans methyl ester composition of fats and oils. Sjaak de Koning, Bram van der Meer, Geert Alkema, Hans-Gerd Janssen, Udo A.Th. Brinkman. Journal of Chromatography A, 922 (2001) 391-397

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  • material-matters-v11-n2 - SlideShare

    material-matters-v11-n2 1. three-dimensional science printing the future in multiple dimensions 3d printing graphene ink: creating electronic and biomedical structures and devices bioprinting for tissue engineering and regenerative medicine 3d and 4d printing technologies: an overview 3d printable conductive nanocomposites of pla and multi-walled carbon nanotubes nanoparticle-based zinc oxide ...

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  • Pharmaceutics Basic Principles - ID:5c10f02304c2c

    Pharmaceutics Basic Principles - ID:5c10f02304c2c. ...

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