Synthesis and aqueous solution properties
Cuige Lu, Wenbo Li, Ying Tan, Chang Liu, Pengchong Li, Kun Xu and Pixin Wang, Synthesis and aqueous solution properties of hydrophobically modified polyacrylamide, Journal of Applied Polymer Science, 131, 18, (2014).
The synthesis and characterization of hydrophobically associating cationic polyacrylamide P(AM-DMDAAC-BA) for oily wastewater treatment had been investigated. The main conclusions from this work were listed as the following: (1) 1 H NMR spectrum proved the formation of the hydrophobically associating cationic copolymers. Results of TEM showed
Hydrophobically Modified Dimethylacrylamide Synthesis
The synthesis and rheological behavior of hydrophobically modified copolymers based upon N,N‘-dimethylacrylamide (DMAM) containing dodecyl or octadecyl groups are described. The polymers were synthesized by free radical copolymerization in homogeneous solutions of toluene. This synthesis method ensured that the hydrophobic groups were incorporated individually into the copolymer, i.e., in a
Hydrophobically Modified Polyacrylamide Synthesis and Application in Water Treatment Article in Asian Journal of Chemistry 26(18):5923-5927 · September 2014 with 85 Reads How we measure 'reads'
Synthesis and Application of Hydrophobically Associating
Hydrophobically modified polyacrylamide (PAM) polymers were synthesized by means of an aqueous micellar copolymerization, the di-alkyl substituted acrylamides di-n-propylacrylamide (DPAM) and di-n
The water-soluble hydrophobically modified polyacrylamide (HMPAM) has been extensively investigated in the last thirty years. Research interest stems mainly from two areas: solu-tions and hydrogels. Interest in HMPAM solutions has arisen primarily from controlling viscosity at different shear rates (rheology) in many technologies.
Synthesis and aqueous solution properties
Hydrophobically modified polyacrylamide (HMPAM) is synthesized by a free radical micellar polymerization method with low amounts of anionic long-chain alkyl, sodium 9-(and 10)-acrylamidostearate
To assess their vaccine potential, peptides representing M and NSP5 were encapsulated in hydrophobically-modified chitosan particles adjuvanted by incorporation of a synthetic multi-TLR2/TLR7 agonist and coated with a model B cell PRRSV antigen. For comparison, empty particles and adjuvanted particles encapsulating inactivated PRRSV-1
Methods to prevent formation damage from friction reducers
A method of servicing a wellbore comprising placing a wellbore servicing fluid comprising a modified friction reducer into the wellbore. A modified friction reducer comprising a degradable polymer having functional degradable moieties, a polymer having a molecular weight of from about 5M to about 30M, a polymer having a PDI of from about 1.0 to about 2.5, a weakly crosslinked polymer, or
In this work, we present new insights related to a debate on the morphological structure of hydroxyethyl cellulose (HEC) molecules when dissolved in water, i.e., whether HEC adopts a linear-flexible or a rod-like fibrillar configuration. We have employed “seven” rheological techniques to explore the viscoelastic properties of HEC solutions at different time and length scales.
Anomalous Diffusion Inside Soft Colloidal Suspensions
The diffusion of molecules and particles inside the aqueous suspension of soft colloids (polymer microgels) is investigated using variable length scale fluorescence correlation spectroscopy (VLS-FCS). Carbopol 940 is chosen as the model matrix system, and two factors affecting diffusion are investigated: the spatial hindrance and the diffusant–matrix interaction. By studying diffusion of
Wu, S, Shanks, R & Bryant, G (2006), 'Properties of hydrophobically modified polyacrylamide with low molecular weight and interaction with surfactant in aqueous solution’, Journal of Applied Polymer Science, 100, pp. 4348–4360.
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