Macromolecular Reaction Engineering
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Recently Published Articles
- Hybrid Encapsulation of Photoluminescent Pigments by Emulsion Polymerization and Reactive Heterocoagulation
Macaul L. Neenan, Ryan M. Clauson and John G. Tsavalas
Article first published online: 16 OCT 2015 | DOI: 10.1002/mren.201500038
Encapsulation of a photoluminescent pigment is successfully achieved by way of a simplified silica analog system. Proper synthetic conditions are determined to covalently link p(methyl methacrylate-co-glycidal methacrylate) latex particles to the inorganic photoluminescent particles through silane coupling without deleterious impact on the phosphorescence emission spectra nor on the persistence of the emission.
- The Morphology and Mechanical Properties of the Hybrid Films of Styrene-Butyl Acrylate Block Copolymer/MMT From Colloid Blending
Fei Zhou Wang and Yingwu Luo
Article first published online: 15 OCT 2015 | DOI: 10.1002/mren.201500033
PS/PnBA/MMT ternary hybrid films are fabricated by colloid blending of an oligo(acrylic acid)-functionalized core–shell latex particles of styrene/n-butyl acrylate diblock copolymers and NaMMT aqueous dispersions. The ternary hybrid design allows one to gain good balance between good mechanical properties and coherent film formation.
- Hybrid Polystyrene/Polybutadiene Latexes With Low Environmental Impact
Ludmila Irene Ronco, Roque Javier Minari and Luis Marcelino Gugliotta
Article first published online: 12 OCT 2015 | DOI: 10.1002/mren.201500021
The efficient reduction of residual styrene from high solids (50%) polybutadiene/polystyrene hybrid latexes is achieved by two post-polymerization strategies: (i) employing redox initiators; and (ii) by thermal self-initiation of St at high temperature (≥120 °C). The effect of both strategies on volatile organics content, latex stability, polymer microstructure, particle morphology, and mechanical properties of hybrid materials is analyzed.
- PEGylation of Chitosan Via Nitroxide-Mediated Polymerization in Aqueous Media
Ali Darabi, Omar García-Valdez, Pascale Champagne and Michael F. Cunningham
Article first published online: 9 OCT 2015 | DOI: 10.1002/mren.201500024
The PEGylation of chitosan with well-defined PEGMA-based copolymers via NMP is presented. The PEGylation is achieved using grafting to and from approaches performed in aqueous media avoiding the use of organic solvents, while preserving the amino group of chitosan, features that are attractive for potential applications of the final materials.