We found a match
Your institution may have rights to this item. Sign in to continue.
- Title
Preparation of Poly(Butadiene–Styrene–Vinyl Pyridine)/Poly(Acrylonitrile–Butadiene) Core–Shell Nanoparticles by Intermittent Seeded Emulsion Polymerization and Their Catalytic Latex Hydrogenation.
- Authors
Yuan, Fei; Li, Xudong; Dou, Jianying; Zhang, Baojia; Song, Xueling; Li, Lin; Liu, Junjie; Li, Yanyan; Jiang, Yigao; Wang, Hui
- Abstract
Seed emulsion polymerization was an effective modification method to improve not only the properties of polymers but also the compatibility between different polymers by designing special core-shell structures. In this study, poly (butadiene-styrene-vinyl pyridine) (VPR)/poly (acrylonitrile-butadiene) (NBR) core–shell nanoparticles (VPR/NBR) were prepared by seed emulsion polymerization using VPR as seed emulsion and butadiene and acrylonitrile as monomers. Subsequently, HVPR/HNBR was obtained by direct hydrogenation of the core–shell nanoparticles in latex using Wilkinson's catalyst under high temperature and H2 pressure. It is noteworthy that the unsaturated C=C double bonds in the core (VPR) and shell (NBR) of HVPR/HNBR nanoparticles were reduced simultaneously during the hydrogenation process without obvious sequence. The particle size and size distribution of the particles remained consistent before and after hydrogenation, indicating that the synthesized core-shell nanoparticles have excellent stability. This study provides a new perspective on the chemical modification of NBR and promises an environmentally friendly "green" process for the industrial hydrogenation of unsaturated elastomers.
- Subjects
EMULSION polymerization; CATALYTIC hydrogenation; CATALYTIC polymerization; NANOPARTICLES; MANUFACTURING processes; ACRYLONITRILE butadiene styrene resins; PARTICLE size distribution
- Publication
Catalysts (2073-4344), 2024, Vol 14, Issue 4, p277
- ISSN
2073-4344
- Publication type
Article
- DOI
10.3390/catal14040277