Macromolecular Chemistry and Physics
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Materials Science Weekly Newsletter
Recently Published Articles
- Condensed Low-Volatile Alcohol Droplet-Directed Uniform Pore Formation on Polystyrene Films
Zheng-Hui Wang, Wei Cheng, Cai-Hong Liu, Jun Ma and Ji Li
Article first published online: 25 JUN 2015 | DOI: 10.1002/macp.201500139
A method for generating uniform pores of tunable size on polystyrene films is demonstrated. Low-volatile alcohol droplets condensed from polymer solutions are used to template the precipitation of polystyrene. The property of the low-volatile alcohol additive and the polystyrene concentration largely influence the film pore size.
- One-Pot Formation of ZnO-graft-Poly(d,l-Lactide) Hybrid Systems via Microwave-Assisted Polymerization of d,l-Lactide in the Presence of ZnO Nanoparticles
Heriberto Rodríguez-Tobías, Graciela Morales, Amelia Olivas and Daniel Grande
Article first published online: 25 JUN 2015 | DOI: 10.1002/macp.201500171
An original and straightforward approach to ZnO-graft-poly(d,l-lactide) hybrid systems is thoroughly investigated. Such polymer-based hybrids are obtained by a one-pot procedure in which the corresponding monomer and ZnO nanoparticles are subjected to microwave irradiation in toluene for relatively short polymerization times.
- On the Homogeneity of Metallocene Ethylene–Propylene Copolymers as Investigated by Multiple Fractionation Techniques
Mohau Justice Phiri, Anita Dimeska and Harald Pasch
Article first published online: 18 JUN 2015 | DOI: 10.1002/macp.201500135
A remarkably high chemical heterogeneity is found in ethylene–propylene copolymers synthesized by metallocene catalysts by preperation-temperature rising elution fractionation. Analysis of these fractions by several advanced methods including high-temperature high performance liquid chromatography indicates that the same TREF fractions from different samples have distinctively different chemical compositions.
- Synthesis and Characterization of Four-Arm Star Polystyrene Based on a Novel Tetrafunctional RAFT Agent
Trevor Gavin Wright, Wolfgang Weber, Helen Pfukwa and Harald Pasch
Article first published online: 18 JUN 2015 | DOI: 10.1002/macp.201500164
Reversible addition fragmentation chain transfer (RAFT) polymerization is used to prepare four-arm star polystyrenes from a novel tetrafunctional RAFT agent. Advanced characterization using spectroscopic and separation methods is performed to confirm the formation of four-arm star topologies.