mechanical and thermal stability of polyacrylamide-based

Mechanical and Thermal Stability of Polyacrylamide-based

The exceptional mechanical and thermal stability of the polyacrylamide-based microgels and their easiness to be tailored for the required application make these chemicals excellent candidates as future sweep improvers under harsh reservoir conditions in which other conventional polymers might fail.

Get Price
mechanical and thermal stability of polyacrylamide-based

Mechanical and Thermal Stability of Polyacrylamide-based

The exceptional mechanical and thermal stability of the polyacrylamide-based microgels and their easiness to be tailored for the required application make these chemicals excellent candidates as

Get Price
polyacrylamide mechanical degradation and stability

Polyacrylamide Mechanical Degradation and Stability

Mechanical and Thermal Stability of Polyacrylamide-based Microgel Products for EOR, in: SPE International Symposium on Oilfield Chemistry. Society of Petroleum Engineers, pp. 1–11. doi: 10.2118/164135-MS

Get Price
polyacrylamide degradation and its implications

Polyacrylamide degradation and its implications

Pei, Y., et al. Investigation of the degradation and stability of acrylamide-based polymers in acid solution: Functional monomer modified polyacrylamide. Petroleum 2 , 399–407 (2016). Article

Get Price
chemical stability of polyacrylamide polymers - onepetro

Chemical Stability of Polyacrylamide Polymers - OnePetro

A comprehensive study of the chemical stability of polyacrylamide (PAA) polymers was conducted. The primary emphasis of the study was to determine the stability of Dow Pusher TM 500 PAA in Sundance brine a 115 deg. 17 (46 deg. C). Experiments were completed which show the effect of biocides, metals, ferrous and ferric iron salts, pH

Get Price
highly efficient antifouling property based on self

Highly efficient antifouling property based on self

The mechanical strength and thermal stability are markedly enhanced due to the change of the structure of modified resins. The preliminary results indicate that resultant resins with crosslinking structure show satisfactory abrasion resistance and swelling properties.

Get Price
chemical degradation of polyacrylamide polymers under

Chemical Degradation of Polyacrylamide Polymers Under

The hydrolysis of polyacrylamide (PAM) and partially hydrolyzed polyacrylamide (HPAM) polymers at elevated temperatures was noted by Muller et al., (1980, 1981a, 1981b) and Shupe (1981) due to the increase of viscosity, change in pH, and evolution of ammonia observed in PAM solutions aged at elevated temperature, as well as precipitation with

Get Price
polyacrylamide - an overview | sciencedirect topics

Polyacrylamide - an overview | ScienceDirect Topics

Polyacrylamide (PAM)-based hydrogel has many applications in the biomedical fields, drug delivery, and biosensor fluids in recent years (Tsou et al., 2016). Contact lense is the most important field that PAM has been used due to its bioinert and hydrophilic properties ( Darnell et al., 2013; Fernández et al., 2005 ).

Get Price
evaluating the effects of nanosilica on mechanical

Evaluating the Effects of Nanosilica on Mechanical

Besides, in our pervious works [16,17], MD simulation was also successfully performed to investigate the mechanical properties of polymer composites. Herein, the MD simulation method was employed to evaluate the effects of nanosilica on the mechanical and tribological properties of polyvinyl alcohol (PVA)/polyacrylamide (PAM) polymer composites.

Get Price
spe

SPE

Polyacrylamide Mechanical Degradation and Stability in the Presence of Iron. Ferreira, Vitor H. S. (University of Campinas) | Moreno, Rosangela B. Z. L

Get Price
enhanced mechanical properties in cellulose nanocrystal

Enhanced Mechanical Properties in Cellulose Nanocrystal

Pegylated Polybenzoxazine Networks with Increased Thermal Stability from Miscible Blends of Tosylated Poly(ethylene glycol) and a Benzoxazine Monomer. Macromolecules 2017, 50 (17) , 6468-6481. DOI: 10.1021/acs.macromol.7b01457. Jun Yang and Feng Xu .

Get Price
polyacrylamide - wikimili, the best wikipedia reader

Polyacrylamide - WikiMili, The Best Wikipedia Reader

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.

Get Price
effect of polymers and metal ions on the behavior of pitch

EFFECT OF POLYMERS AND METAL IONS ON THE BEHAVIOR OF PITCH

To simulate the effect of polymers/metal ions on the thermal stability of a pitch-containing system, poly-DADMAC was added first, followed by the addition of metal ion, and then HCPAM. The results are shown in Fig. 2. It should be noted that the metal concentrations were chosen based on their typical profile in the mill deposit samples (Dai

Get Price
evaluation of the gel profile control agent polyacrylamide

Evaluation of the Gel Profile Control Agent Polyacrylamide

Based on the system of anionic delayed cross-link polymer gel type deep profile control agent, experiments are conducted to evaluate the performance of long-term thermal stability, shearing resistance, and compatibility with natural debris of profile control agent and compatibility with ASP compound system. Besides, experiments are

Get Price
polyacrylamide hydrogel application in sand control with

Polyacrylamide hydrogel application in sand control with

Sand production is one of the major problems in sandstone reservoirs. Different mechanical and chemical methods have been proposed to control sand production. In this paper, we propose a chemical method based on using polyacrylamide/chromium triacetate hydrogel to investigate sand production in a synthetic sandpack system. To this end, a series of bulk experiments including the bottle test and

Get Price
flow behavior of enhanced oil recovery alcoflood polymers

Flow behavior of enhanced oil recovery Alcoflood polymers

Flow behavior of enhanced oil recovery Alcoflood polymers. Mamdouh Ghannam. Corresponding Author. E-mail address: mamdouh.ghannam@uaeu.ac.ae. Department of Chemical and Petroleum Engineering, College of Engineering, United Arab Emirates University, P.O. 17555, Al‐Ain, United Arab Emirates.

Get Price
evaluating the effects of nanosilica on mechanical

Evaluating the Effects of Nanosilica on Mechanical

1. Introduction. Due to the special structure, which includes a high specific surface area and owning an abundant number of hydroxyl groups on the surface, nanosilica presents some unique physical and chemical properties [].Dispersing the nanosilica in polymer materials can obviously improve their mechanical properties as well as others such as their thermodynamic properties, chemical

Get Price
evaluation of the gel profile control agent polyacrylamide

Evaluation of the Gel Profile Control Agent Polyacrylamide

Based on the system of anionic delayed cross-link polymer gel type deep profile control agent, experiments are conducted to evaluate the performance of long-term thermal stability, shearing resistance, and compatibility with natural debris of profile control agent and compatibility with ASP compound system. Besides, experiments are

Get Price
stretchable current collectors based on carbon embedded

Stretchable current collectors based on carbon embedded

Polyacrylamide-based hydrogels are important components of portable electronics, decontamination agents, separation membranes, hygienic products, sealing, coal dewatering mediators, wound dressings and biosensors [1–8].They have been also successfully applied as an elastic platform for electrodes used in light-weight capacitors [].The easiness of synthesis and excellent mechanical properties

Get Price
optimizing enzymatic preparations of mechanical pulp

OPTIMIZING ENZYMATIC PREPARATIONS OF MECHANICAL PULP

OPTIMIZING ENZYMATIC PREPARATIONS OF MECHANICAL PULP THROUGH Structure-based Sequence Alignment of SLAC with Oxidases with as well as the thermal and pH stability . 2 of the enzyme, SCO6712 activity was screened using a broad range of low cost mediators. Mutagenesis was also performed to identify key residues involved in enzyme

Get Price
polymer flooding - the eor alliance

Polymer Flooding - The EOR Alliance

All Polymer Flooding Items Thermal stability of sulfonated polymers. A. Audibert (Institut Français du Petrole) | J-F. Argillier (Institut Français du Petrole) Abstract Polyacrylamides which are used in oil applications i.e. polymer flooding...

Get Price
multifunctional load-bearing hybrid hydrogel with combined

Multifunctional load-bearing hybrid hydrogel with combined

Jing, L. et al. Biocompatible hydroxylated boron nitride nanosheets/poly(vinyl alcohol) interpenetrating hydrogels with enhanced mechanical and thermal responses. ACS Nano 11 , 3742–3751 (2017). CAS

Get Price
polyacrylamide by zhengzhou jintai water treatment raw

Polyacrylamide by Zhengzhou Jintai Water Treatment Raw

Polyacrylamide is a kind of efficient additives, is a good assistant, we purify environment polyacrylamide is widely used as flocculant, suspended in liquid has a good job. Many enterprises in order to environmental protection is done using polyacrylamide flocculant, more common is the water purification, textile, coal, paper and other industries.

Get Price
recent advances in cellulose-based materials: synthesis

Recent Advances in Cellulose-Based Materials: Synthesis

Based on its wide applications and excellent properties, this special issue focused on the synthesis and applications of cellulose-based materials and explores the new synthetic methods, characterization analysis techniques, and high value-added applications fields of cellulose materials. In this special issue, we received 18 papers for submission.

Get Price
optimizing enzymatic preparations of mechanical pulp

OPTIMIZING ENZYMATIC PREPARATIONS OF MECHANICAL PULP

OPTIMIZING ENZYMATIC PREPARATIONS OF MECHANICAL PULP THROUGH Structure-based Sequence Alignment of SLAC with Oxidases with as well as the thermal and pH stability . 2 of the enzyme, SCO6712 activity was screened using a broad range of low cost mediators. Mutagenesis was also performed to identify key residues involved in enzyme

Get Price
spherical nanoindentation of polyacrylamide hydrogels

Spherical Nanoindentation of Polyacrylamide Hydrogels

Following a preliminary study in [3], four concentrations of polyacrylamide (PAAm) were selected for the nanoindentation experiments: 0.05 %, 0.1 %, 0.2 % and 0.8 %. Such range of polyacrylamide hydrogels is considered to have suitable mechanical properties to promote stem cell cultures to differentiate and form specific cell types.

Get Price
المنشورات - squ.edu.om

المنشورات - squ.edu.om

"Mechanical and thermal stability of polyacrylamide-based microgel products for EOR," SPE 164135, 2013 SPE International Symposium on Oilfield Chemistry, The Woodlands, TX, 08 - 10 April. S.N. Ehrenberg, (2012) "Depositional and Diagenetic Controls on Khuff Reservoir Characteristics in the South Pars Gasfield, Offshore Iran" oral presentation

Get Price
stretchable current collectors based on carbon embedded

Stretchable current collectors based on carbon embedded

Polyacrylamide-based hydrogels are important components of portable electronics, decontamination agents, separation membranes, hygienic products, sealing, coal dewatering mediators, wound dressings and biosensors [1–8].They have been also successfully applied as an elastic platform for electrodes used in light-weight capacitors [].The easiness of synthesis and excellent mechanical properties

Get Price
a review of the application of biopolymers on geotechnical

A Review of the Application of Biopolymers on Geotechnical

The use of admixtures in soils to improve their properties has been implemented since ancient times. Diverse conventional admixtures such as lime, fly ash, and cement have been added to soils. Also, petrochemicals and bacteria are increasingly used for soil improvement and soil stabilization both mechanically and chemically. However, the conventional admixtures for soils cause significant

Get Price
polyacrylamide by zhengzhou jintai water treatment raw

Polyacrylamide by Zhengzhou Jintai Water Treatment Raw

Polyacrylamide is a kind of efficient additives, is a good assistant, we purify environment polyacrylamide is widely used as flocculant, suspended in liquid has a good job. Many enterprises in order to environmental protection is done using polyacrylamide flocculant, more common is the water purification, textile, coal, paper and other industries.

Get Price
recent advances in cellulose-based materials: synthesis

Recent Advances in Cellulose-Based Materials: Synthesis

Based on its wide applications and excellent properties, this special issue focused on the synthesis and applications of cellulose-based materials and explores the new synthetic methods, characterization analysis techniques, and high value-added applications fields of cellulose materials. In this special issue, we received 18 papers for submission.

Get Price
synthesis and characterization of photocrosslinkable

Synthesis and characterization of photocrosslinkable

Synthesis and characterization of photocrosslinkable gelatin and silk fibroin interpenetrating polymer network hydrogels the thermal stability and mechanical property of the composite hydrogel were improved by the presence of crystallized SF. have reported a SF/polyacrylamide semi-IPNs hydrogel with the tunable property by varying the

Get Price