Micellar Synthesis and Properties of Hydrophobically Associating Polyampholytes

Kujawa, Piotr; Rosiak, Janusz M.; Selb, Joseph; Candau, Françoise

doi:10.1002/1521-3935(20010501)202:8<1384::aid-macp1384>3.0.co;2-1

Cited by 56 publications

(41 citation statements)

References 41 publications

(84 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…However, the complicated synthesis process of multiblock copolymers and the extremely poor mechanical property of macroscopic self-assembled hydrogels limit their development. Meanwhile, the presence of surfactants causes the intensive chain transfer effects and purification problems [22,23], and the residual surfactants in the gel structure elicit adverse effects on gel properties.…”

Section: Introductionmentioning

confidence: 59%

Facile fabrication method of hydrophobic-associating cross-linking hydrogel with outstanding mechanical performance and self-healing property in the absence of surfactants

et al. 2013

Polymer

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 59%

Facile fabrication method of hydrophobic-associating cross-linking hydrogel with outstanding mechanical performance and self-healing property in the absence of surfactants

et al. 2013

Polymer

View full text Add to dashboard Cite

“…In contrast with neutral associating copolymers, the presence of ionic sites of similar charges along the backbone of associating hydrophobically modified polyelectrolytes leads to a great variety of behaviors. 2 Morishima and coworkers prepared random copolymers of 2-acrylamido-2-methylpropane sulfonic acid (AMPS) with fluorescently labeled acrylamide comonomers, and their solution properties in water were studied. 3,4 Also, other authors have prepared random copolymers of AMPS with hydrophobic monomers.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and association properties in water solution of random copolymers of 2‐acrylamido‐2‐methyl‐1‐propane sulfonic acid and isodecyl methacrylate—potential application as surfactants in micellar‐enhanced ultrafiltration processes

Peinado

Catalina

Miguel

2007

J of Applied Polymer Sci

View full text Add to dashboard Cite

: Synthesis and association properties in water solution of random copolymers of 2-acrylamido-2-methyl-1-propane sulfonic acid and isodecyl methacrylate-potential application as surfactants in micellar-enhanced ultrafiltration processes. Fluorescence spectroscopy was used to further confirm the copolymers self-aggregate in water. Critical concentration of the self-aggregate formation (CAC) decreased by increasing the molar fraction of iDMA in the AMPS co copolymers and varied between 1.20 and 0.04 g/L depending on the degree of hydrophobic modification. Hence, copolymer composition and charge density allowed tuning the pseudomicellar characteristics of these new amphiphilic copolymers. The addition of a salt or a low-molecular-weight surfactant was studied. Binding of CTAB to the AMPS co copolymers leads to a high decrease of CAC, i.e., 0.006 g/L. Effect of the composition in the viscosimetric behavior of the hydrophobically modified copolymers AMPS co was investigated. The removal of single metal ions, Cu 21 , and m-cresol from aqueous solutions by ultrafiltration with the help of the copolymers was investigated. Equilibrium dialysis experiments demonstrate that the formation of hydrophobic microdomains can be used to control the sequestration of foulants, and thus these novel copolymers have potential application as polymeric surfactants in micellar-enhanced ultrafiltration processes for water purification. Journal of Applied Polymer

show abstract

“…If the concentration of α‐CD is sufficient, these α‐CDs adsorbed on the polymer chains can form crystalline domains through hydrogen bonding, and these crystalline domains act as physical crosslinks. In other similar works, the crystallization occurs by direct interaction between hydrophobic alkyl chains such as C12, C16, and C18. However, in our system, α‐CD‐C16 inclusion complex chains successfully result in crystallization instead of the alkyl chains.…”

Section: Resultsmentioning

confidence: 82%

“…In comparison, the gel in (b) is too tough to stretch, and is crisp at room temperature. It has been accepted that hydrophobicity and α‐CD content play a key role in determining the mechanical properties of their associated crosslinked hydrogels . However, it should be pointed out that additional C 16 DMAEMA and α‐CD will show an adverse impact on the mechanical properties because of the formation of excess crystalline microzones.…”

Section: Resultsmentioning

confidence: 99%

Shape Memory Hydrogel based on a Hydrophobically‐Modified Polyacrylamide (HMPAM)/α‐CD Mixture via a Host‐Guest Approach

Yasin

Zhou

Yang

et al. 2015

Macromol. Rapid Commun.

View full text Add to dashboard Cite

A novel thermally sensitive shape memory (SM) hydrogel is prepared by block copoly-merization of a cationic surfactant monomer, dimethylhexadecyl[2-(dimethylamino)ethylmethacrylate]ammoniumbromide (C(16)DMAEMA), and acrylamide (AM) in the presence of α-cyclodextrin (α-CD) using N,N'-methylenebisacrylamide (MBA) as a crosslinker. XRD, solid state (13)C NMR, and DSC measurements show that the crystalline domains, induced by the hydrogen bonds between α-CDs threaded on the hydrophobic units of the polymer chains through the host-guest approach, can reversibly melt and crystallize at different temperatures. Rheological measurements show that both the elastic modulus G' and viscous modulus G'' drastically change due to the formation and dissolution of the crystalline domains. These thermo-sensitive crystalline domains serve as reversible physical crosslinks, endowing the hydrogel with excellent SM properties. Cyclic experiments show that the hydrogel can recover to almost 100% of the deformation in each cycle and can be reused several times.

show abstract

Micellar Synthesis and Properties of Hydrophobically Associating Polyampholytes

Cited by 56 publications

References 41 publications

Facile fabrication method of hydrophobic-associating cross-linking hydrogel with outstanding mechanical performance and self-healing property in the absence of surfactants

Facile fabrication method of hydrophobic-associating cross-linking hydrogel with outstanding mechanical performance and self-healing property in the absence of surfactants

Synthesis and association properties in water solution of random copolymers of 2‐acrylamido‐2‐methyl‐1‐propane sulfonic acid and isodecyl methacrylate—potential application as surfactants in micellar‐enhanced ultrafiltration processes

Shape Memory Hydrogel based on a Hydrophobically‐Modified Polyacrylamide (HMPAM)/α‐CD Mixture via a Host‐Guest Approach

Contact Info

Product

Resources

About