DescriptionA new class of block copolymers based upon Arkema’s unique (meth)acrylates anionic and controlled radical polymerization chemistry and technology. Nanostrength® block copolymers are currently available in two versions, each consisting of three blocks. One is an SBM copolymer of polystyrene, 1,4-polybutadiene, and syndiotactic poly(methyl methacrylate). The other is a symmetric MAM copolymer with two poly(methyl methacrylate) blocks surrounding a center block of poly(butyl acrylate).
Properties
Nanostructuration is induced by strong repulsions between the side and middle blocks. It is primarily governed by thermodynamics and is thus independent of processing conditions. It usually provides: - Toughening with maintenance of key properties
- Highly reproducible process
- Rheology control
- New environmentally and user friendly process for producing curable epoxy films, fibers, powders and foam.
- Compatibilization and filler dispersion
Markets and applications
Nanostrength® self-assembling nanotechnology can provide benefits to many thermo-set, composite, thermoplastic and rubber applications: - Advanced materials for the aerospace, sport, marine and automotive industries
- Electric and Electronic applications such as printed wiring boards and insulation
- High-performance adhesives
- Filament winding
- Tires, industrial rubbers and thermoplastic elastomers
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