Construction and deconstruction of multilayer films containing polycarboxybetaine: Effect of pH and ionic strength

Gui, Zhangliang; Du, Binyang; Qian, Jinwen; An, Quan‐Fu; Zhao, Qiang

doi:10.1016/j.jcis.2010.09.026

Cited by 20 publications

(15 citation statements)

References 47 publications

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“…Scheme 5, path 3b). Noteworthy, in the case of polycarboxybetaines derived from vinylpyridines, post-polymerization modification following this strategy seems to be virtually the only path realized up to now [9,77,78,[392][393][394][395][396][397]. The polymeric amine itself may result from a previous modification step (cf.…”

Section: Synthesis Of Polyzwitterions By Post-polymerization Modificamentioning

confidence: 99%

Structures and Synthesis of Zwitterionic Polymers

2014

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Abstract:The structures and synthesis of polyzwitterions ("polybetaines") are reviewed, emphasizing the literature of the past decade. Particular attention is given to the general challenges faced, and to successful strategies to obtain polymers with a true balance of permanent cationic and anionic groups, thus resulting in an overall zero charge. Also, the progress due to applying new methodologies from general polymer synthesis, such as controlled polymerization methods or the use of "click" chemical reactions is presented. Furthermore, the emerging topic of responsive ("smart") polyzwitterions is addressed. The considerations and critical discussions are illustrated by typical examples.

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Section: Synthesis Of Polyzwitterions By Post-polymerization Modificamentioning

confidence: 99%

Structures and Synthesis of Zwitterionic Polymers

2014

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“…For the fast disintegration of (HPCB10/PSS) 10 multilayer film, the main mechanism is due to the rapid ionization of carboxylic groups of HPCB10 in multilayer films. In our previous study [19,21], PCB/PAA and PCB/PSS multilayer films could be disintegrated in 0.15 M NaCl within 15 min. Similarly, the mechanism for the disintegration of (HPCB10/PSS) 10 multilayer film was due to the ionization of carboxylic acid groups of HPCB.…”

Section: Effect Of Cationic Degree Of Hpcb On the Disintegration Of Mmentioning

confidence: 90%

“…In our previous study [21], PCB, a zwitterionic analogue of HPCB without ester side group, could assemble with PSS at acid condition when the carboxylic group of PCB was protonated. The obtained (PCB/PSS) 10 multilayer film could disintegrate completely in pH 7.4 PBS within 2 min due to the ionization of carboxylic acid groups of PCB.…”

Section: Fabrication Of Hpcb/pss Multilayer Films and Disintegration mentioning

confidence: 97%

“…The fast deconstruction of multilayer films has been used in preparing sacrificial and releasing template [16,13,[17][18][19][20][21], fabricating micro-patterning and micro/nano-porous surfaces [22][23][24][25]. The slow deconstruction of multilayer films was mainly applied in the controlled release and gene delivery [15,[26][27][28][29][30][31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

“…The slow deconstruction of multilayer films was mainly applied in the controlled release and gene delivery [15,[26][27][28][29][30][31][32][33][34]. The fast deconstruction of multilayer films was achieved by changing some environment deconstruction conditions, such as, pH [16,[22][23][24][30][31][32][33][34], salt concentration [13,14,19,25], and temperature [20,21]. The slow deconstruction of multilayer films was prepared by incorporating some polyelectrolytes into multilayer films, which could be degraded hydrolytically [35][36][37][38][39][40], enzymatically [41][42][43] or reductively [44,45].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Tunable disintegration of layer-by-layer assembly multilayer films based on hydrolytical-polybetaine at wide-range time

Gui

Qian

et al. 2011

Journal of Colloid and Interface Science

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The solution behavior of hydrophobically associating zwitterionic polymer in salt water

Hong

Wang

et al. 2013

J of Applied Polymer Sci

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The acrylamide-based hydrophobically associating zwitterionic polymer was prepared, which was composed of dimethyldodecyl-allyl ammonium chloride as hydrophobic group and carboxyl betaine 2-(4-acrylamido-propyl-dimethyl ammonic)-sodium acetate as functional group. Hydrophobically associating polyacrylamide (HAPAM) was also prepared for comparative study. The behaviors of polymers in pure water and salt solutions were investigated by the means of apparent viscosity test, laser light scattering, atomic force microscope, and fluorescence experiments. The viscosities of polymer solution increased with the increasing of salt concentration, which indicated that the addition of salt resulted in significant antipolyelectrolyte effect in the zwitterionic polymer solution. The results of dynamic laser light scattering experiment also showed that the average hydrodynamic diameters of the zwitterionic polymer molecules increased with the increasing of salt concentration. The network structures had been observed by atomic force microscope and the addition of salt strengthened the formation of network structures. The results of fluorescence experiment showed that the addition of salt could enhance the association of hyrophobically zwitterionic polymer.

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Construction and deconstruction of multilayer films containing polycarboxybetaine: Effect of pH and ionic strength

Cited by 20 publications

References 47 publications

Structures and Synthesis of Zwitterionic Polymers

Structures and Synthesis of Zwitterionic Polymers

Tunable disintegration of layer-by-layer assembly multilayer films based on hydrolytical-polybetaine at wide-range time

The solution behavior of hydrophobically associating zwitterionic polymer in salt water

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