• chemical structure of surfactant-grafted polyacrylamide

    Chemical Structure of Surfactant-Grafted Polyacrylamide

    Aiming at making clear the chemical structure of S-PAM, this study characterized the two commonly used S-PAM in oil field throughchemical analysis and Fourier infrared spectrome ter detection and analyzed the main composition and chemical structure of the two S -PAM. Keywords Surfactant-Grafted Polyacrylamide, Chemical Structure, Oilfield 1

  • chemical structure of surfactant-grafted polyacrylamide

    Chemical Structure of Surfactant-Grafted Polyacrylamide

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  • study on occupational health and safety impact

    Study on Occupational Health and Safety Impact

    Surfactant-grafted Polyacrylamide -PAM)(S serves as a novel oil displacement agent in oilfield. Its toxicity and the impact on the occupational safety are unclear. Theanalysis on composition and chemical structure of -PAM shows that S due to its instability the harmful ammonia gas may be generated during the operation of S-PAM or high

  • analysis and formation of hazardous substances

    Analysis and Formation of Hazardous Substances

    Relevant data reveal that Surfactant -grafted Polyacrylamide (S -PAM) has a framework constituted by ord i-nary polyacrylamide hydrocarbon chains. By grafting and copolymerizing the functional monomers and fun c-tional group to the lateral groups of the molecular chains, the original polymer hydrocarbon chains can be co n-

  • stability evaluation of surfactant-grafted polyacrylamide

    Stability Evaluation of Surfactant-Grafted Polyacrylamide

    Surfactant-grafted Polyacrylamide (S-PAM) serves as a novel oil displacement agent in oilfield. The analysis on composition of S-PAM shows that due to its instability the harmful ammonia gas may be generated during the operation of S-PAM or high temperature.

  • polyacrylamide

    Polyacrylamide

    Polyacrylamide (IUPAC poly(2-propenamide) or poly(1-carbamoylethylene), abbreviated as PAM) is a polymer (-CH 2 CHCONH 2-) formed from acrylamide subunits. It can be synthesized as a simple linear-chain structure or cross-linked, typically using N,N '-methylenebisacrylamide.In the cross-linked form, the possibility of the monomer being present is reduced even further.

  • chemical structure of surfactant-grafted polyacrylamide

    Chemical Structure of Surfactant-Grafted Polyacrylamide

    Abstract. Surfactant-grafted Polyacrylamide (S-PAM) flooding is a new technique used in Daqiang Oil Field in China and also a novel way for improving the recovery efficiency of primary oil

  • properties of polyacrylamides

    Properties of Polyacrylamides

    PropertiesApplicationsThermo-Physical PropertiesPolyacylamides are high molecular weight water soluble or swellable polymers formed from acrylamide or its derivatives. Their glass transition temperature is well above room temperature (> 400 K). The only commercially important polyacrylamide is poly(2-propenamide) which is simply called polyacrylamide or PAM [-CH2CH(CONH2)-]. It is a non-ionic, watersoluble, and biocompatible polymer that can be tailored to meet a broad range of applications. The polymer can be synthesized as a simple linea...

    Study on Occupational Health and Safety Impact

    Surfactant-grafted Polyacrylamide (S-PAM) serves as a novel oil displacement agent in oilfield. Its toxicity and the impact on the occupational safety are unclear. The analysis on composition and chemical structure of S-PAM shows that due to its instability the harmful ammonia gas may be generated during the operation of S-PAM or high temperature.

  • chemical structure of surfactant-grafted polyacrylamide

    Chemical Structure of Surfactant-Grafted Polyacrylamide

    Surfactant-grafted Polyacrylamide (S-PAM) flooding is a new technique used in Daqiang Oil Field in China and also a novel way for improving the recovery efficiency of primary oil layer after po-lymer flooding. S-PAM flooding technology is perfected gradually with the proceeding of multiple polymer surfactant oil displacement tests. Test results

  • chemical structure of surfactant-grafted polyacrylamide

    Chemical Structure of Surfactant-Grafted Polyacrylamide

    Title: Chemical Structure of Surfactant-Grafted Polyacrylamide Used in Oilfields: Authors: Jiang, Tingting; Wang, Haiyu; Wang, Baohui: Publication: Open Journal of

  • (pdf) analysis and formation of hazardous substances

    (PDF) Analysis and Formation of Hazardous Substances

    PDF On Jan 1, 2014, Tingting Jiang and others published Analysis and Formation of Hazardous Substances from Surfactant-Grafted Polyacrylamide Powder for Oilfield Production

  • properties of polyacrylamides

    Properties of Polyacrylamides

    The hydrated PAM is a soft gel that is used in gel electrophoresis and as a super water-absorbing polymer (SAP's). Even though these polymers are called polyacrylamide, they are often copolymers of acrylamide and one or more other monomers. The most important co-monomer is acrylic acid or sodiumacrylate. Poly(acrylamide-co-acrylic acid) and its

  • comparative study of physical properties of in-use

    Comparative Study of Physical Properties of In-Use

    Surfactant-Grafted Polyacrylamide, Physical Properties, Comparative, Oilfield 1. Introduction Polymer flooding is a tertiary oil recovery technique which was developed in1960s. It is able to highly improve the recovery factor and a more economical and efficient monadic chemical flooding [1]

  • surfactant-grafted polyacrylamide articles scientific

    Surfactant-Grafted Polyacrylamide Articles Scientific

    Stability Evaluation of Surfactant-Grafted Polyacrylamide Used in Oilfields by Evolution of Ammonia. Tingting Jiang, Baohui Wang, Haiyu Wang. Journal of Materials Science and Chemical Engineering Vol.2 No.5. Full-Text HTML XML Pub. Date: May 21, 2014

  • polyacrylamide chemical compound britannica

    Polyacrylamide chemical compound Britannica

    Polyacrylamide, an acrylic resin that has the unique property of being soluble in water. It is employed in the treatment of industrial and municipal wastewater. Polyacrylamides are produced by the polymerization of acrylamide (C3H5NO), a compound obtained by the hydration of acrylonitrile.

  • acrylamide c3h5no pubchem

    Acrylamide C3H5NO PubChem

    Acrylamide is a colorless, odorless, crystalline amide that polymerizes rapidly and can form as a byproduct during the heating of starch-rich foods to high temperatures.Acrylamide is used in the production of polymers mainly in the water treatment industry, pulp and paper industry and textile treatment industry and is used as a laboratory reagent. . The polymer is nontoxic, but exposure to the

  • sodium dodecyl sulfate c12h25nao4s pubchem

    Sodium dodecyl sulfate C12H25NaO4S PubChem

    /EXPL THER/ About 1/3 of HIV positive mothers transmit the virus to their newborns, and 1/2 of these infections occur during breastfeeding. Sodium dodecyl sulfate (SDS), an anionic surfactant, is a common ingredient of cosmetic and personal care products.

  • (pdf) study on occupational health and safety impact

    (PDF) Study on Occupational Health and Safety Impact

    PDF Surfactant-grafted Polyacrylamide (S-PAM) serves as a novel oil displacement agent in oilfield. Its toxicity and the impact on the occupational Find, read and cite all the research you

  • study on occupational health and safety impact

    Study on Occupational Health and Safety Impact

    Surfactant-grafted Polyacrylamide (S-PAM) serves as a novel oil displacement agent in oilfield. Its toxicity and the impact on the occupational safety are unclear. The analysis on composition and chemical structure of S-PAM shows that due to its instability the harmful ammonia gas may be generated during the operation of S-PAM or high temperature.

  • what is acrylamide? definition, uses & structure

    What is Acrylamide? Definition, Uses & Structure

    Structure. Acrylamide has the chemical formula of C3H5NO, and its IUPAC (formal) name is prop-2-enamide. From the name prop-2-enamide, we can see that it is a 3-carbon structure (prop), with a

  • comparative study of physical properties of in-use

    Comparative Study of Physical Properties of In-Use

    Surfactant-grafted Polyacrylamide (S-PAM), as a new type of oil displacement agent in oilfield, integrates the advantages of both polymer and surfactant. The oil displacement experiments using S-PAM in multi-blocks reveal that in-use S-PAMs differ greatl...

  • acrylamide chemical compound britannica

    Acrylamide chemical compound Britannica

    Manufactured acrylamide is incorporated into grout and soil-stabilizer products that are used to prevent or plug leaks in dams, tunnels, and other structures. It also forms the basis for the generation of polyacrylamide, which has a variety of applications, including wastewater treatment and gel electrophoresis for laboratory research.

  • acrylamide

    Acrylamide

    Acrylamide (or acrylic amide) is an organic compound with the chemical formula CH 2 =CHC(O)NH 2.It is a white odorless solid, soluble in water and several organic solvents. It is produced industrially as a precursor to polyacrylamides, which find many uses as water-soluble thickeners and flocculation agents.It is highly toxic, likely to be carcinogenic, and partly for that reason it is mainly

  • (pdf) comparative study of physical properties of in-use

    (PDF) Comparative Study of Physical Properties of In-Use

    PDF On Jan 1, 2014, Tingting Jiang and others published Comparative Study of Physical Properties of In-Use Surfactant-Grafted Polyacrylamides for Oilfield Find, read and cite all the research

  • polyacrylamide an overview sciencedirect topics

    Polyacrylamide an overview ScienceDirect Topics

    Polyacrylamides are a family of high molecular weight, water-soluble polymers. Anionic polyacrylamides (aPAMs) are used in the construction field as a thickener or flocculent. Their chemical structure is shown in Figure 9.30.APAMs are synthesized by free radical polymerization of acrylamide and acrylic acid salts or by partial hydrolysis of non-ionic polyacrylamide (Cheng 2004; Bessaies-Bey et

  • polyion complex micelles possessing thermoresponsive

    Polyion Complex Micelles Possessing Thermoresponsive

    Chemical Structure of Surfactant-Grafted Polyacrylamide Used in Oilfields. Open Journal of Applied Sciences 2014, 04 (09),451-457. DOI: 10.4236/ojapps.2014.49043. Tingting Jiang, Haiyu Wang, Baohui Wang. Comparative Study of Physical Properties of In-Use Surfactant-Grafted

  • polyacrylates an overview sciencedirect topics

    Polyacrylates an overview ScienceDirect Topics

    Their chemical structure is shown in Figure 9.30. APAMs are synthesized by free radical polymerization of acrylamide and acrylic acid salts or by partial hydrolysis of non-ionic polyacrylamide (Cheng 2004; Bessaies-Bey et al., 2015). Their molecular weight ranges from 10 3 to 20 × 10 6 g/mol.

  • two-dimensional polyacrylamide gel electrophoresis

    Two-Dimensional Polyacrylamide Gel Electrophoresis

    2019-07-22· Two-Dimensional Polyacrylamide Gel Electrophoresis for Metalloprotein Analysis Based on Differential Chemical Structure Recognition by CBB

  • difference between agarose and polyacrylamide

    Difference Between Agarose and Polyacrylamide

    2015-06-12· Polyacrylamide: The molecular formula of polyacrylamide is (C 3 H 5 NO) n. Chemical Structure of Agarose and Polyacrylamide: Agarose: Agarose is a linear polysaccharide. It is made up of repeating disaccharide units called agrobiose held together by hydrogen bonds. Polyacrylamide: Polyacrylamide is a chemically cross-linked polymer. It is made up of acrylamide monomers and a

  • combination of ring-opening polymerization and “click

    Combination of Ring-Opening Polymerization and “Click

    Comparative Study of Physical Properties of In-Use Surfactant-Grafted Polyacrylamides for Oilfield. Open Journal of Physical Chemistry 2014, 04 (03),134-138. DOI: 10.4236/ojpc.2014.43016. Tingting Jiang, Haiyu Wang, Baohui Wang. Chemical Structure of Surfactant-Grafted Polyacrylamide

  • water-soluble and biodegradable pectin-grafted

    Water-Soluble and Biodegradable Pectin-Grafted

    Chemical Structure of Surfactant-Grafted Polyacrylamide Used in Oilfields: A KINETIC ANAYSIS OF THE DEGRADATION OF GRAFTED ANIONIC POLYACRYLAMIDE GEL UNDER NONISOTHERMAL CONDITION: Analysis and Formation of Hazardous Substances from Surfactant-Grafted Polyacrylamide Powder for Oilfield Production

  • polymers for conformance improvement petrowiki

    Polymers for conformance improvement PetroWiki

    Fig. 2 shows the chemical structure of polyacrylamide and partially hydrolyzed polyacrylamide. For polyacrylamide with a molecular weight of 7 million daltons (a representative molecular weight of an acrylamide polymer to be used in polymer waterflooding), the value of n in Fig. 2 and the number of repeating monomer units is on the order of

  • anthracene−maleimide-based diels−alder “click chemistry

    Anthracene−Maleimide-Based Diels−Alder “Click Chemistry

    Comparative Study of Physical Properties of In-Use Surfactant-Grafted Polyacrylamides for Oilfield. Open Journal of Physical Chemistry 2014, 04 (03),134-138. DOI: 10.4236/ojpc.2014.43016. Tingting Jiang, Haiyu Wang, Baohui Wang. Chemical Structure of Surfactant-Grafted Polyacrylamide

  • a novel polymeric flocculant based on polyacrylamide

    A novel polymeric flocculant based on polyacrylamide

    1. Introduction 1.1. Inulin isolation, uses and chemical structure. Inulin is a natural and abundant, renewable polysaccharide that is found in many regularly consumed vegetables, fruits and cereals as a storage carbohydrate (Van Loo, Coussement, De Leenheer, Hoebregs, & Smits, 1995).After starch, they are the most plentiful carbohydrates occurring in plant kingdom.

  • sodium dodecyl sulfate an overview sciencedirect

    Sodium Dodecyl Sulfate an overview ScienceDirect

    11.2 Determining a Protein's Molecular Weight by Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis. Sodium dodecyl sulfate (SDS) is an anionic (negatively charged) detergent. It binds to proteins, on average, every two amino acids along a polypeptide chain. In doing so, and in the presence of a reducing agent such as β-mercaptoethanol, disulfide bridges within the protein are broken

  • “grafting-from” polymerization for uniformly bulk

    “Grafting-from” polymerization for uniformly bulk

    Surfactant-grafted Polyacrylamide (S-PAM) flooding is a new technique used in Daqiang Oil Field in China and also a novel way for improving the recovery efficiency of primary oil layer after

  • a novel approach to synthesis of functional cpvc

    A novel approach to synthesis of functional CPVC

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