Fabrication of convex lens-shaped polymer particles by tuning the interfacial interaction

2017 ◽  
Vol 1 (3) ◽  
pp. 507-511 ◽  
Author(s):  
Jiangping Xu ◽  
Yi Yang ◽  
Ke Wang ◽  
Yuqing Wu ◽  
Jintao Zhu
Keyword(s):  
Block Copolymers ◽  
Small Molecules ◽  
Interfacial Interaction ◽  
Polymer Particles ◽  
Emulsion Droplets ◽  
Convex Lens ◽  
Cylindrical Domains

With the addition of small molecules to emulsion droplets containing block copolymers, anisotropic convex lens-like particles with hexagonally stacked cylindrical domains can be readily achieved by using a single surfactant to create a neutral interface for both blocks.

Self-assembly of block copolymers into sieve-like particles with arrayed switchable channels and as scaffolds to guide the arrangement of gold nanoparticles

Nanoscale ◽  
2017 ◽  
Vol 9 (39) ◽  
pp. 15056-15061 ◽  
Author(s):  
Yun He ◽  
Yan Zhang ◽  
Nan Yan ◽  
Yutian Zhu ◽  
Wei Jiang ◽  
...  
Keyword(s):  
Gold Nanoparticles ◽  
Block Copolymers ◽  
Self Assembly ◽  
Triblock Copolymers ◽  
Emulsion Droplets

The unique sieve-like particles with lattice arrayed switchable channels were created via the confined self-assembly of P4VP-b-PS-b-P4VP triblock copolymers within the emulsion droplets.

Small molecule-mediated self-assembly behaviors of Pluronic block copolymers in aqueous solution: impact of hydrogen bonding on the morphological transition of Pluronic micelles

Soft Matter ◽  
2020 ◽  
Vol 16 (1) ◽  
pp. 142-151 ◽  
Author(s):  
Haiyan Luo ◽  
Kun Jiang ◽  
Xiangfeng Liang ◽  
Huizhou Liu ◽  
Yingbo Li
Keyword(s):  
Aqueous Solution ◽  
Hydrogen Bonding ◽  
Block Copolymers ◽  
Small Molecules ◽  
Small Molecule ◽  
Propyl Gallate ◽  
Self Assembly ◽  
Morphological Transition ◽  
Propyl Paraben ◽  
Pluronic P123

The influence of hydrogen bonding on the morphological transition of Pluronic P123 micelles is experimentally and theoretically investigated by introducing three small molecules, i.e. propyl benzoate (PB), propyl paraben (PP) and propyl gallate (PG).

Rheology of Phase Separated Block Copolymer Melts

1989 ◽  
Vol 177 ◽  
Author(s):  
H. Henning Winter ◽  
Faith A. Morrison
Keyword(s):  
Block Copolymer ◽  
Block Copolymers ◽  
Single Crystals ◽  
Domain Structure ◽  
Shear Direction ◽  
Cylindrical Domain ◽  
Global Order ◽  
Copolymer Melts ◽  
Cylindrical Domains ◽  
Hexagonally Ordered

Flow can transfer the microphase separated morphology of block copolymers into a state of global order. For tri-block copolymers with cylindrical domains, this has been demonstrated by Folkes et al. (1973) and Hadziioannou et al. (1979). who established the existence of ‘single crystals’ of hexagonally ordered cylinders with uniform director throughout a sheared sample. The director is aligned with the shear direction. In this study, we investigate the flow induced ordering of cylindrical domain structure at increasing levels of shear.

Tailored Polymer Particles with Ordered Network Structures in Emulsion Droplets

Langmuir ◽  
2020 ◽  
Author(s):  
Xiaolin Lyu ◽  
Zhehao Tang ◽  
Yujie Li ◽  
Anqi Xiao ◽  
Zhihao Shen ◽  
...  
Keyword(s):  
Network Structures ◽  
Polymer Particles ◽  
Emulsion Droplets

Cylindrical Domains of Block Copolymers Developed via Ordering under Moving Temperature Gradient: Real-Space Analysis

2008 ◽  
Vol 41 (22) ◽  
pp. 8789-8799 ◽  
Author(s):  
Kazuki Mita ◽  
Mikihito Takenaka ◽  
Hirokazu Hasegawa ◽  
Takeji Hashimoto
Keyword(s):  
Block Copolymers ◽  
Temperature Gradient ◽  
Real Space ◽  
Space Analysis ◽  
Cylindrical Domains

Micropore extrusion-induced alignment transition from perpendicular to parallel of cylindrical domains in block copolymers

Nanoscale ◽  
2016 ◽  
Vol 8 (6) ◽  
pp. 3268-3273 ◽  
Author(s):  
Ting Qu ◽  
Yongbin Zhao ◽  
Zongbo Li ◽  
Pingping Wang ◽  
Shubo Cao ◽  
...  
Keyword(s):  
Block Copolymers ◽  
Cylindrical Domains

Shape control of nanostructured cone-shaped particles by tuning the blend morphology of A-b-B diblock copolymers and C-type copolymers within emulsion droplets

2019 ◽  
Vol 10 (19) ◽  
pp. 2415-2423 ◽  
Author(s):  
Eun Ji Kim ◽  
Jae Man Shin ◽  
YongJoo Kim ◽  
Kang Hee Ku ◽  
Hongseok Yun ◽  
...  
Keyword(s):  
Block Copolymers ◽  
Particle Shape ◽  
Shape Control ◽  
Diblock Copolymers ◽  
Emulsion Droplet ◽  
Emulsion Droplets ◽  
Blend Morphology ◽  
Engineering Strategy

An approach to blend AB-type block copolymers and C-type copolymers within the emulsion droplet is an efficient particle shape-engineering strategy.

Miniemulsions of Vinyl Stearate. II. Light-Scattering Studies During the Polymerization

1989 ◽  
Vol 42 (12) ◽  
pp. 2085 ◽  
Author(s):  
E Elbing ◽  
AG Parts ◽  
CJ Lyons ◽  
BAW Coller ◽  
IR Wilson
Keyword(s):  
Particle Size ◽  
Light Scattering ◽  
Aqueous Medium ◽  
Particle Collision ◽  
Collision Theory ◽  
Polymer Particles ◽  
Final Particle ◽  
Emulsion Droplets

The course of the polymerization of vinyl stearate has been followed by dilatometry and by light scattering. Kinetically stable and visually clear or at most opalescent 'miniemulsions' were used to minimize the scattering (otherwise large) by emulsion droplets. Light-scattering results demonstrate that the final particle size of the latexes may be greater or less than that of the emulsion droplets in the starting miniemulsion. This suggests that polymer particles are nucleated from the aqueous (micelle-containing) phase, and grow by transport of vinyl stearate monomer through the aqueous medium from the emulsion droplets to feed polymerization in the particles. Thus the droplets gradually decrease in size and disappear when all the monomer has been taken up by absorption into micelles or into growing particles. A previously proposed droplet-particle collision theory does not appear to be necessary.

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