• preparation of hydrophobic association polyacrylamide

    Preparation of Hydrophobic Association Polyacrylamide

    2008-03-19· The micellar copolymerization, therefore, resulted in a ternary hydrophobic association polyacrylamide (HAPAM), namely, C 12 AM/NaAMC 12 S/AM or DiC 12 AM/ NaAMC 12 S/AM. The chemical structures of these ternary copolymers were characterized with Fourier transform infrared (FTIR) spectroscopy, and their hydrophobic associative behavior as well

  • synthesis and properties of cationic hydrophobic

    Synthesis and properties of cationic hydrophobic

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  • preparation of hydrophobic association polyacrylamide

    Preparation of Hydrophobic Association Polyacrylamide

    Preparation of Hydrophobic Association Polyacrylamide in a New Micellar Copolymerization System and Its Hydrophobically Associative Property Article in Macromolecules 41(8) ·

  • solution properties of anionic hydrophobic association

    Solution properties of anionic hydrophobic association

    Solution properties of anionic hydrophobic association polyacrylamide modified with fluorinated acrylate Article in Journal of Polymer Research 17(4):601-606 · July 2010 with 34 Reads

  • synthesis and properties of fluorinated hydrophobic

    Synthesis and properties of fluorinated hydrophobic

    2017-07-06· A novel, anionic fluorinated hydrophobic association polyacrylamide (FAPAM) was successfully synthesized from acrylamide (AM), 2-acrylamido-2-methylpropane sulfonic acid (AMPS), acrylic acid (AA), and 1H,1H,2H,2H-heptadecafluorodecyl acrylate (HFA) by radical micellar polymerization using sodium dodecyl sulfonate and potassium persulfate as a surfactant and an

  • application of new type of hydrophobic association

    Application of new type of hydrophobic association

    CHINAFLOC is a professional manufacturer and supplier of Acrylamide, Polyacrylamide and Flocculant in Qingdao, China. Application of new type of hydrophobic association polyacrylamide

  • hydrophobically associating terpolymers of acrylamide

    Hydrophobically associating terpolymers of acrylamide

    2016-08-04· Abstract. N-Hexadecylacrylamide with long hydrophobic groups was reacted with acrylamide and methacrylic acid to prepare the hydrophobically modified terpolymers based on polyacrylamide (HMPAM) for polymer flooding.The HMPAM polymer was synthesized by adjusting the polymerization conditions such as initiator concentration, time, and monomer ratios.

  • temperature-responsive properties of poly(acrylic acid-co

    Temperature-Responsive Properties of Poly(acrylic acid-co

    A novel type of hydrophobic association hydrogels (HA-gels) was prepared through micellar copolymerization of acrylic acid (AA), acrylamide (AAm) as basic monomers and a small amount of octylphenol polyoxyethylene ether acrylate with seven ethoxyl units (OP7-AC) as hydrophobic association monomer. The HA-gels exhibited desirable mechanical property and stably reversible

  • solution properties of star-shaped hydrophobic-associative

    Solution properties of star-shaped hydrophobic-associative

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  • raft polymerization of hydrophobic acrylamide derivatives

    RAFT polymerization of hydrophobic acrylamide derivatives

    Several hydrophobic acrylamide derivatives: the N-tert a third and more recent way deals with the synthesis of hydrophobic polyacrylamide exhibiting a block copolymer structure, able to self-organize into polymeric micelles,or to selectively adsorb onto a hydrophobic substrate. Such a synthesis requires an efficient polymerization technique to get well-defined structures. The recent

  • effects of water-soluble spacers on the hydrophobic

    Effects of water-soluble spacers on the hydrophobic

    OSTI.GOV Conference: Effects of water-soluble spacers on the hydrophobic association of fluorocarbon modified polyacrylamide

  • the tough allograft adhesive behavior between

    The tough allograft adhesive behavior between

    Polyacrylamide (PAAm) and polyacrylic acid (PAAc) hydrophobic association hydrogels were synthetized via free radical polymerization, respectively. Also, the hydrophobic alkyl groups were introduced into PAAm and PAAc to enhance the mechanical properties of hydrogels. It was found that PAAm and PAAc hydrophobic association hydrogels didn't

  • the synthesis and evaluation of hydrophobic association

    The Synthesis and Evaluation of Hydrophobic Association

    The hydrophobic association has hydrophobic groups, which can occur in water s olutio n. When concentration is higher than the critical concentration of hydrophobic association (C*), intermolecular association can happen . The association is complex to form a three- dimensional network structu re, form a super large molecule,and a f-

  • preparation and retention performance of

    PREPARATION AND RETENTION PERFORMANCE OF

    They have a comparative retention rate, better anti-shearing ability, and better salt resistance, compared to commercial CPAM. The cross-linked structure of CHCPAM contributed to the anti-shearing ability. Intermolecular and intramolecular hydrophobic association of CHCPAM was the most important factor in improving resistance to salt.

  • solution properties of anionic hydrophobic association

    Solution properties of anionic hydrophobic association

    2009-10-29· Abstract. The anionic hydrophobic association polyacrylamide (AFPAM) modified with fluorinated acrylate have been synthesized of acrylamide (AM), 2-acrylamide-2-methyl propanesulfonic acid (AMPS) and 2-(perfluorooctyl)ethyl acrylate (FEA) by free radical micellar copolymerization in aqueous solution utilizing sodium dodecyl sulfate(SDS) as the surfactant and potassium

  • application of polyacrylamide (pam) in enhanced

    Application of polyacrylamide (PAM) in enhanced

    InorganIn the polymer solution, hydrophobic groups occur aggregation due to hydrophobic interaction, which makes the macromolecular chain molecules and intermolecular association. The formation of this hydrophobic structure, so that the polymer solution is a unique solution, for the high viscosity and the special response to the shear, can

  • 疏水缔合型聚丙烯酰胺,hydrophobically associated polyacrylamide

    疏水缔合型聚丙烯酰胺,hydrophobically associated polyacrylamide

    A novel hydrophobic association polyacrylamide selective plugging agent MX10-2 was developed for the horizontal wells in Luliang operation area of Xinjiang Oilfield. 针对新疆油田公司陆梁作业区水平井生产中存在的问题,研制出疏水聚丙烯酰胺类选择性堵水剂MX10-2。

  • peer-reviewed article bioresources

    PEER-REVIEWED ARTICLE bioresources

    PEER-REVIEWED ARTICLE bioresources Wu et al. (2012). “Hydrophobic-associating CPAM,” BioResources 7(4), 4926-4937. 4926 PREPARATION AND RETENTION PERFORMANCE OF CROSS-LINKED AND HYDROPHOBICALLY ASSOCIATING CATIONIC POLYACRYLAMIDE Wei-Bing Wu,a,b,* Jun Gu,a Yi Jing,a Xiao-Fan Zhou,a and Hong-Qi Dai a

  • injectivity behavior of copolymer and associative polymers

    Injectivity Behavior of Copolymer and Associative Polymers

    AP exhibits comparable injectivity with HPAM in porous media at higher rates due to this transformation. However similar shear behavior shown by these polymers even at 2000 ppm indicates that shear rheology can't predict the intermolecular hydrophobic association of AP in porous media. This is attributed to the lesser inter-chain interactions

  • studies on interaction of hydrophobically modified

    Studies on Interaction of Hydrophobically Modified

    A new family of hydrophobically modified polyacrylamides (HMPAM) was synthesized via homogeneous copolymerization of acrylamide (AM) and anionic surface-active monomer of acrylamide-type, sodium 2-acrylamido-tetradecane sulfonate (NaAMC14S) in aqueous solution. The copolymers NaAMC14S/AM with microblock structures and with different chain microstructures were obtained by varying the

  • peer-reviewed article bioresources

    PEER-REVIEWED ARTICLE bioresources

    PEER-REVIEWED ARTICLE bioresources Wu et al. (2012). “Hydrophobic-associating CPAM,” BioResources 7(4), 4926-4937. 4926 PREPARATION AND RETENTION PERFORMANCE OF CROSS-LINKED AND HYDROPHOBICALLY ASSOCIATING CATIONIC POLYACRYLAMIDE Wei-Bing Wu,a,b,* Jun Gu,a Yi Jing,a Xiao-Fan Zhou,a and Hong-Qi Dai a

  • hydrophilic polyacrylamide gel dermnet nz

    Hydrophilic polyacrylamide gel DermNet NZ

    Hydrophilic polyacrylamide gel — codes and concepts open. What is hydrophilic polyacrylamide gel? Hydrophilic polyacrylamide gel (HPG) is a combination of 2.5-5% polyacrylamide, a synthetic polymer, suspended in 95-97.5% apyrogenous water. This is the only injectable implant that remains soft once it has been injected. After injection the water content is absorbed by the body whilst the HPG

  • solution properties of anionic hydrophobic association

    Solution properties of anionic hydrophobic association

    2009-10-29· Abstract. The anionic hydrophobic association polyacrylamide (AFPAM) modified with fluorinated acrylate have been synthesized of acrylamide (AM), 2-acrylamide-2-methyl propanesulfonic acid (AMPS) and 2-(perfluorooctyl)ethyl acrylate (FEA) by free radical micellar copolymerization in aqueous solution utilizing sodium dodecyl sulfate(SDS) as the surfactant and potassium

  • preparation of hydrophobic association

    Preparation of Hydrophobic Association

    Title: Preparation of Hydrophobic Association Polyacrylamide in a New Micellar Copolymerization System and Its Hydrophobically Associative Property

  • endowing a cationic hydrophobic associating

    Endowing a cationic hydrophobic associating

    Carbon dioxide triggers have attracted much attention due to their low cost, non-toxicity, simplicity and environmental benignity. N,N-dimethylolamidopropylamine (DOAPA) is a CO2 switchable surfactant, the properties of which can be regulated by CO2 easily. A mixture of a cationic hydrophobic

  • polymers free full-text preparation of a hydrophobic

    Polymers Free Full-Text Preparation of a Hydrophobic

    Furthermore, we will thank Prof. Dr. Yang Hu from Texas Tech University, US for helpful discussions and English modification. The revisions are marked in blue color in the manuscript. The following is the justifications: Comment 1: This paper attempts to promote and design the salt resistance of hydrophobic-associating water-soluble polymers

  • how to choose right polyacrylamide?

    How to choose right polyacrylamide?

    How to choose right polyacrylamide?. Normally,the polyacrylamide can be divided into inorganic and organic polyacrylamide.we should choose the right polyacrylamide according to the characteristics of the wastewater.meanwhile,we should know which prosess the polyacrylamide

  • preparation and solution properties of a novel cationic

    Preparation and solution properties of a novel cationic

    A novel cationic water-soluble monomer allyldimethylisooctylammonium bromide (ADIAB) containing a short-chain alkane was synthesized successfully. This monomer was copolymerized with acrylamide and sodium acrylate to produce hydrophobically modified polyacrylamide (HMPAM) using solution polymerization without surfactants. The structures of

  • preparation and retention performance of

    PREPARATION AND RETENTION PERFORMANCE OF

    They have a comparative retention rate, better anti-shearing ability, and better salt resistance, compared to commercial CPAM. The cross-linked structure of CHCPAM contributed to the anti-shearing ability. Intermolecular and intramolecular hydrophobic association of CHCPAM was the most important factor in improving resistance to salt.

  • waste activated sludge (was) dewatering properties of an

    Waste activated sludge (WAS) dewatering properties of an

    Chemical conditioning, as one of the core technologies used for the dewatering pretreatment of sludge, can efficiently improve the dewaterability of WAS and hence reduce the expense of the transportation and disposal of WAS. Cationic polyacrylamide has been widely utilized as a

  • effect of hydrophobic association on structure and

    EFFECT OF HYDROPHOBIC ASSOCIATION ON STRUCTURE AND

    SUN Huanquan~1,ZHANG Kunling~2,CHEN Jing~2,ZENG Shengwen~1,PING Zhenghua~2,XU Yuanze~2(~1Geological Scientific Research Institute Shengli Oilfield,SINOPEC,Dongying 257015)(~2Key Laboratory of Molecular Engineering of Polymers of Ministry of Education,Department of Macromolecular Science,Fudan University,Shanghai 200433)

  • studies on the self‐assembly behavior of the

    Studies on the self‐assembly behavior of the

    Contrasted with partially hydrolyzed polyacrylamide (HPAM), the self‐assembly behavior and microstructure of hydrophobically associating polyacrylamide (HAPAM) in

  • lotus-leaf inspired hydrophobic nanocomposite matrices

    Lotus-leaf Inspired Hydrophobic Nanocomposite Matrices

    In this investigation, polyacrylamide gel matrix is made hydrophobic by introducing one-dimensional and two-dimensional carbon nanomaterials viz., multi-walled carbon nanotubes and graphene. The nanocomposite matrices were optimized for SDS-PAGE with

  • preparation of hydrophobic association

    Preparation of Hydrophobic Association

    Title: Preparation of Hydrophobic Association Polyacrylamide in a New Micellar Copolymerization System and Its Hydrophobically Associative Property

  • investigation of mechanical properties and dye adsorption

    Investigation of Mechanical Properties and Dye Adsorption

    The preparation of high performance hydrogels has always been one of the research focuses in the area of soft matters and functional polymers. In this paper, a facile method was developed for the preparation of high performance hydrophobic association nanocomposite hydrogels (HANC gels) via in situ copolymerization of acrylamide (AM) and octadecyl methacrylate (OMA) in the aqueous suspension

  • injectivity behavior of copolymer and associative polymers

    Injectivity Behavior of Copolymer and Associative Polymers

    AP exhibits comparable injectivity with HPAM in porous media at higher rates due to this transformation. However similar shear behavior shown by these polymers even at 2000 ppm indicates that shear rheology can't predict the intermolecular hydrophobic association of AP in porous media. This is attributed to the lesser inter-chain interactions

  • polymers free full-text preparation of a hydrophobic

    Polymers Free Full-Text Preparation of a Hydrophobic

    Furthermore, we will thank Prof. Dr. Yang Hu from Texas Tech University, US for helpful discussions and English modification. The revisions are marked in blue color in the manuscript. The following is the justifications: Comment 1: This paper attempts to promote and design the salt resistance of hydrophobic-associating water-soluble polymers

  • awwa b453-19 polyacrylamide (pdf)

    AWWA B453-19 Polyacrylamide (PDF)

    Back to AWWA B453-19 Polyacrylamide (PDF) The purpose of this standard is to provide the minimum requirements for PAM products, including physical, chemical, packaging, shipping, and testing requirements and to provide the means of developing requirements for PAM products.

  • association of bovine sperm aldolase with sperm

    Association of bovine sperm aldolase with sperm

    1. Biol Reprod. 1984 Aug;31(1):25-35. Association of bovine sperm aldolase with sperm subcellular components. Gillis BA, Tamblyn TM. The nature of the association of the glycolytic enzyme, aldolase, with mature bovine spermatozoa was investigated in comparison with bovine muscle aldolase.

  • omcvd gold nanoparticles covalently attached to

    OMCVD Gold Nanoparticles Covalently Attached to

    Western University [email protected] Electronic Thesis and Dissertation Repository 7-25-2016 12:00 AM OMCVD Gold Nanoparticles Covalently Attached to Polystyrene

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