Hybrid Polystyrene/Polybutadiene Latexes With Low Environmental Impact

作者：Irene Ronco Ludmila; Javier Minari Roque; Marcelino Gugliotta Luis

来源：Macromolecular Reaction Engineering, 2016, 10(1): 29-38.

DOI：10.1002/mren.201500021

• miniemulsion polymerization
• polybutadiene
• polystyrene
• post-polymerization
• VOCs reduction

The polybutadiene incorporation in waterborne polystyrene nanoparticles by miniemulsion polymerization improves the toughness of the final product. Unfortunately, the polymerization does not proceed to completion, remaining a high level of unreacted monomer. This work addresses the implementation of two post-treatment methods to efficiently remove the residual styrene from polybutadiene/polystyrene latexes with 50% of solid content: i) post-polymerization with redox initiators; and ii) post-polymerization by thermal initiation of styrene at high temperature (>= 120 degrees C). The mechanisms responsible of the effects of both post-treatments on the properties of hybrid materials are here discussed.

• 出版日期2016-2