Self-Assembly of Amido-Ended Hyperbranched Polyester Films with a Highly Ordered Dendritic Structure

2014 ◽  
Vol 6 (18) ◽  
pp. 16375-16383 ◽  
Author(s):  
Daohong Zhang ◽  
Zhicai Xu ◽  
Junna Li ◽  
Sufang Chen ◽  
Juan Cheng ◽  
...  
Keyword(s):  
Self Assembly ◽  
Dendritic Structure ◽  
Hyperbranched Polyester

scholarly journals Crystalline modification of a rare earth nucleating agent for isotactic polypropylene based on its self-assembly

2018 ◽  
Vol 5 (5) ◽  
pp. 180247 ◽  
Author(s):  
Yuanming Zhang ◽  
Tingting Sun ◽  
Wei Jiang ◽  
Guangting Han
Keyword(s):  
Hydrogen Bond ◽  
Rare Earth ◽  
Isotactic Polypropylene ◽  
Self Assembly ◽  
Dendritic Structure ◽  
Nucleating Agent ◽  
The Self ◽  
Structure Evolution ◽  
Crystalline Modification ◽  
Assembly Structure

In this paper, the crystalline modification of a rare earth nucleating agent (WBG) for isotactic polypropylene (PP) based on its supramolecular self-assembly was investigated by differential scanning calorimetry, wide-angle X-ray diffraction and polarized optical microscopy. In addition, the relationship between the self-assembly structure of the nucleating agent and the crystalline structure, as well as the possible reason for the self-assembly behaviour, was further studied. The structure evolution of WBG showed that the self-assembly structure changed from a needle-like structure to a dendritic structure with increase in the content of WBG. When the content of WBG exceeded a critical value (0.4 wt%), it self-assembled into a strip structure. This revealed that the structure evolution of WBG contributed to the K β and the crystallization morphology of PP with different content of WBG. In addition, further studies implied that the behaviour of self-assembly was a liquid–solid transformation of WBG, followed by a liquid–liquid phase separation of molten isotactic PP and WBG. The formation of the self-assembly structure was based on the free molecules by hydrogen bond dissociation while being heated, followed by aggregation into another structure by hydrogen bond association while being cooled. Furthermore, self-assembly behaviour depends largely on the interaction between WBG themselves.

scholarly journals The amphiphilic multiarm copolymers based on hyperbranched polyester and lysine: Synthesis and self-assembly

2011 ◽  
Vol 29 (2) ◽  
pp. 241-250 ◽  
Author(s):  
Jing Wang ◽  
Yuan Yao ◽  
Bing Ji ◽  
Wei Huang ◽  
Yong-feng Zhou ◽  
...  
Keyword(s):  
Self Assembly ◽  
Hyperbranched Polyester ◽  
Lysine Synthesis

Superoxide Anion Biosensor Based on Bionic-Enzyme Hyperbranched Polyester Particles

2018 ◽  
Vol 71 (3) ◽  
pp. 119
Author(s):  
Yanlian Niu ◽  
Sisheng Hu ◽  
Qian Zhou ◽  
Yang Liu ◽  
Yuhong Liu ◽  
...  
Keyword(s):  
Self Assembly ◽  
Hyperbranched Polyester ◽  
Manganese Phosphate ◽  
Transmission Electron ◽  
O2 Concentration ◽  
Ft Ir ◽  
Novel Method ◽  
Assembly Technology ◽  
Ft Ir Spectroscopy ◽  
Hyperbranched Structure

Self-assembly techniques have been demonstrated to be a useful approach to developing new functional nanomaterials. In this study, a novel method to fabricate a manganese phosphate self-assembly monolayer (SAM) on a hyperbranched polyester (HBPE-OH) nanoparticle surface is described. First, the second-generation aliphatic HBPE-OH was carboxy-terminated, phosphorylated, and then ionized with manganese by a three-step modification process. The final product of HBPE-AMPA-Mn2+ particles was obtained and characterised by FT-IR spectroscopy, 1H NMR spectroscopy, transmission electron microscopy (TEM), Zeta potential, and energy dispersive spectroscopy (EDS). Moreover, the HBPE-AMPA-Mn2+ particles were used to construct a novel biosensor for detection of superoxide anions (O2•−) released from HeLa cells. Results showed that the response currents of this biosensor were proportional to the O2•− concentration ranging from 0.79 to 16.6 μM, and provided an extremely low detection limit of 0.026 μM (S/N = 3). The results indicate that the particle-decorated electrode surface, which involved a hyperbranched structure and a surface self-assembly technology, proposed here will offer the ideal catalytic system for electrochemical enzymatic sensors.

Self-Assembly of Hydrophobic Polybetaine Based on (Tridecyl)aminocrotonate and Methacrylic Acid1, "Высокомолекулярные соединения. Серия С"

2017 ◽  
pp. 74-81
Author(s):  
A. V. Shakhvorostov ◽  
Zh. A. Nurakhmetova ◽  
T. M. Seilkhanov ◽  
Nuraje Nurxat ◽  
S. E. Kudaibergenov
Keyword(s):  
Self Assembly ◽  
Potential Surface ◽  
Dendritic Structure ◽  
Self Assembling ◽  
Maltese Cross ◽  
Surface Enhanced ◽  
Polymeric Chains ◽  
Conformational Properties ◽  
Fractal Patterns ◽  
Self Assembled

Novel polymeric betaine based on tridecylaminocrotonate and methacrylic acid was synthesized by Michael addition reaction. The obtained products were abbreviated as CROtriDA-MAA and with respect to its potassium salt as CROtriDA-MAA-K. The structure of CROtriDA-MAA was established by 1H NMR and FTIR spectroscopy. The hydrodynamic, molecular and conformational properties of CROtriDA-MAA-K in solutions and morphology in solid state were evaluated by methods of GPC, DLS, zeta-potential, surface enhanced ellipsoidal microscopy (SEEC), optical microscopy. Meanwhile, the long alkyl “tails” (tridecyl) located in side polymeric chains are responsible for self-assembling behavior. Several types of self-assembled structures in water at different pH and in water-DMSO mixture were observed. The dendritic structure with wide trunks and few side branches is formed at pH 3. The “Maltese cross-like” aggregates were found at pH 6.5. The tree-like fractal patterns are formed at pH 12. The self-assembled coiled-ribbon-like and tubular-like aggregates were observed in water-DMSO mixtures.

Synthesis and self-assembly of hyperbranched polyester peripherally modified by touluene-4-sulfonyl groups

Polymer ◽  
2005 ◽  
Vol 46 (22) ◽  
pp. 9501-9507 ◽  
Author(s):  
Guohua Jiang ◽  
Li Wang ◽  
Tao Chen ◽  
Haojie Yu ◽  
Xiaochen Dong ◽  
...  
Keyword(s):  
Self Assembly ◽  
Hyperbranched Polyester

Surface Hybrid Self-Assembly, Mechanism, and Crystalline Behavior of a Carboxyl-Ended Hyperbranched Polyester/Platinum Complex

Langmuir ◽  
2012 ◽  
Vol 28 (49) ◽  
pp. 16772-16781 ◽  
Author(s):  
Daohong Zhang ◽  
Jing Wang ◽  
Sufang Chen ◽  
Xinjian Cheng ◽  
Tingcheng Li ◽  
...  
Keyword(s):  
Self Assembly ◽  
Platinum Complex ◽  
Hyperbranched Polyester ◽  
Assembly Mechanism

2D Self-assembly of an amido-ended hyperbranched polyester induced by platinum ion coordination effect

RSC Advances ◽  
2013 ◽  
Vol 3 (38) ◽  
pp. 17073 ◽  
Author(s):  
Daohong Zhang ◽  
Junna Li ◽  
Jing Wang ◽  
Sufang Chen ◽  
Jiliang Zhou ◽  
...  
Keyword(s):  
Self Assembly ◽  
Hyperbranched Polyester ◽  
Coordination Effect

Optical Non-Linearity from Montmorillonite Intercalated with a Chromophore-Containing Dendritic Structure: A Self-Assembly Approach

2008 ◽  
Vol 29 (7) ◽  
pp. 587-592 ◽  
Author(s):  
Yung-Chung Chen ◽  
Tzong-Yuan Juang ◽  
Shenghong A. Dai ◽  
Tzong-Ming Wu ◽  
Jiang-Jen Lin ◽  
...  
Keyword(s):  
Self Assembly ◽  
Dendritic Structure

Hybrid self-assembly and fractal dimension dependence of a carboxyl-ended hyperbranched polyester/ferric complex

2013 ◽  
Vol 142 (2-3) ◽  
pp. 513-520 ◽  
Author(s):  
Shunhai Li ◽  
Junna Li ◽  
Sufang Chen ◽  
Daohong Zhang ◽  
Tingcheng Li ◽  
...  
Keyword(s):  
Fractal Dimension ◽  
Self Assembly ◽  
Hyperbranched Polyester
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