Preparation of Golf Ball-like Polymer Particles Bearing Site-Selective Functional Groups

ACS Applied Materials & Interfaces, Journal Year: 2024, Volume and Issue: 16(46), P. 64058 - 64064

Published: Nov. 11, 2024

Golf ball-like particles have emerged as interesting materials in the fields of therapeutics, diagnostics, chemical sensing, etc. because their unique shapes (with concave and convex moieties) physical properties. Despite uniqueness, surfaces are generally covered with single components lacking functional groups, a well-established functionalization method for specific area these particles, such or surface, is lacking. Thus, we proposed seeded-dispersion polymerization (SDP)-based preparing anionic- cationic-group-bearing golf polymer mainly on surface. Briefly, prepared site-selective groups by subjecting n-butyl methacrylate (nBMA) to SDP presence polystyrene-seed dodecane using 2,2'-azobis(isobutyronitrile) an initiator; this yielded poly(nBMA), PnBMA, phase. The shape was also controlled adjusting nBMA amount solvent composition. Further, results revealed that were introduced onto surface position ionic confirmed based metal-nanoparticle adsorption. demonstrated feasibility impart anionic cationic thereby expanding application scope heteromorphic particles.

Language: Английский

Effect of the Core/Shell Particle Synthesis Method on the Physico–Chemical Properties of Their Shell and Sensory Properties of 3D-Ordered Films

Colloids and Interfaces, Journal Year: 2024, Volume and Issue: 8(6), P. 67 - 67

Published: Dec. 10, 2024

In this work, we investigated the influence of synthetic conditions core/shell particles on physico–chemical properties their shells, process self-assembly into 3D-ordered structures, and sensitivity films based these to presence ethanol temperature changes. The were prepared by two methods: seed emulsion copolymerization semi-batch copolymerization. cores consisted polystyrene or its copolymer with methyl methacrylate. Polymer shells obtained methacrylate several acrylate comonomers: butyl acrylate, methacrylate, propyl ethyl acrylate. photonic crystal highest vapors basis synthesized polymerization. It was also established that introducing units shell copolymers led an increase in resulting films. demonstrated a pronounced thermosensitivity only when corresponding as follows: comonomers (methyl acrylate) introduced reaction system during single step. intensity band gap (PBG) peak for decreased 100% at around 42 °C.

Language: Английский