polymer nonionic polyacrylamide npam for papermaking
polymer nonionic polyacrylamide npam for papermaking
polymer nonionic polyacrylamide npam for papermaking
polymer nonionic polyacrylamide npam for papermaking
polymer nonionic polyacrylamide npam for papermaking
nonionic polyacrylamide (npam)

Nonionic Polyacrylamide (NPAM)

Nonionic Polyacrylamide (NPAM) CAS No.: Structural Formula: Water-solubility: Nonionic polyacrylamide is highly water-soluble, which means it can readily dissolve in water to form a clear solution. This property allows for easy handling and application in various processes.

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molecular dynamics-assisted design of high temperature-resistant polyacrylamide/poloxamer interpenetrating network hydrogels

Molecular Dynamics-Assisted Design of High Temperature-Resistant Polyacrylamide/Poloxamer Interpenetrating Network Hydrogels

Polyacrylamide ( PAM ), a water-soluble material polymerized from acrylamide monomers [ 1, 2 ], is widely used in many fields, such as oil extraction, metallurgy, papermaking, and medicine [ 3, 4 ].

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molecular dynamics-assisted design of high temperature-resistant polyacrylamide/poloxamer interpenetrating network hydrogels - mdpi

Molecular Dynamics-Assisted Design of High Temperature-Resistant Polyacrylamide/Poloxamer Interpenetrating Network Hydrogels - MDPI

Subsequent rheological tests also showed that poloxamers can indeed significantly improve the stability and viscosity of nonionic polyacrylamide containing only amide groups at high temperatures and can maintain a high viscosity of 3550 mPa S at 80 C. Transmission electron microscopy further showed that the nonionic poly-acrylamide/poloxamer mix...

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aids in wet-end papermaking

Aids in Wet-End Papermaking

used synthetic polymers in papermaking, such as linear polyacrylamide [51], hyper-branched polyacrylamide [52], dendritic or star-shaped polyacrylamide [53], branched polyethylene imine [54], etc. The structure of polymer retention aids is shown in Figure2.

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journal of applied polymer science | wiley online library

Journal of Applied Polymer Science | Wiley Online Library

Nonionic polyacrylamide (NPAM) with controlled molecular weight was successfully synthesized as a gel fracturing fluid by aqueous solution polymerization. The effects of the monomer concentration, initiator concentration, reaction time, feeding temperature and reaction temperature on the molecular weight were systematically investigated through single-factor and orthogonal experiments.

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the thermal gelation behavior and performance evaluation of high molecular weight nonionic polyacrylamide and polyethyleneimine mixtures for

The Thermal Gelation Behavior and Performance Evaluation of High Molecular Weight Nonionic Polyacrylamide and Polyethyleneimine Mixtures for

The thermal gelation behavior of nonionic polyacrylamide (NPAM) and PEI was investigated, and sodium citrate (NaCit) was selected as a new retarder to prolong the gelation time. The gelation performance of NPAM/PEI gel system can be adjusted by varying NPAM or PEI concentration, and a quadratic model is developed by statistical analysis, which predicts the gelation time of NPAM/PEI gel system.

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experimental study and application of gels formed by nonionic polyacrylamide and phenolic resin for in-depth profile control

Experimental study and application of gels formed by nonionic polyacrylamide and phenolic resin for in-depth profile control

Nonionic polyacrylamide (NPAM) and phenolic resin cross-linker were purchased from Yuguang Co. Ltd., China. The hydrolysis degree and average molecular weight of NPAM were 3.31% and 9,650,000 g/mol, respectively. The low salinity of brine (492.08 mg/L 2.

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dilute solution behaviour of progressively hydrolyzed polyacrylamide in water¨c

Dilute solution behaviour of progressively hydrolyzed polyacrylamide in water¨C

The plots of [¦Ç] vs. solvent composition in a mixed solvent system pass through minima for both high as well as low carboxyl content polymers but through a maximum for nonionic polyacrylamide. Observed minimum for charged polymers may be attributed to the loss of polymer sites available to interact with solvent for H-bonding interaction between neighboring amide and the acid groups.

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npam-assisted rapid synthesis of biobr ultrathin hierarchical clusters for efficient photocatalytic degradation of rhb and ciprofloxacin

NPAM-assisted rapid synthesis of BiOBr ultrathin hierarchical clusters for efficient photocatalytic degradation of RhB and ciprofloxacin

Nonionic polyacrylamide (NPAM) bismuth bromoxide (BiOBr) ultrathin hierarchical clusters have been prepared by a rapid solvothermal synthesis route. The formation mechanism of the NPAM-BiOBr ultrathin hierarchical clusters was based on the strong bridging role of NPAM between the bismuthyl nitrate (BiONO3) particles and subsequently results in tight junctions between BiOBr nanosheets. The

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(pdf) the thermal gelation behavior and performance evaluation of high molecular weight nonionic polyacrylamide

(PDF) The Thermal Gelation Behavior and Performance Evaluation of High Molecular Weight Nonionic Polyacrylamide

The thermal gelation behavior of nonionic polyacrylamide (NPAM) and PEI was investigated, and sodium citrate (NaCit) was selected as a new retarder to prolong the gelation time.

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