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Reactive compatibilization is the process of modifying a mixed immiscible blend of polymers to arrest phase separation and allow for the formation of a stable, long-term continuous phase. It is done via the addition of a reactive polymer, miscible with one blend component and reactive towards functional groups on the second component, which result in the "in-situ" formation of block or grafted copolymers.[1]
A large number of commercial polymeric products are derived from the blending of two or more polymers to achieve a favorable balance of physical properties. However, since most polymer blends are immiscible, it is rare to find a pair of polymers that both are miscible and have desired characteristics. An example of such pair is the miscible resin NORYL™, a mix of poly(phenylene oxide) and polystyrene.[2] Immiscible blends will phase separate and form a dispersed phase, which may improve physical properties (figure 1). DuPont’s rubber toughened Nylon consists of small particles of poly(cis-isoprene) (natural rubber) in a Nylon matrix that toughen the material by arresting crack propagation.
^Cor, Koning; Van Duin, Martin; Pagnoulle, Christophe; Jérôme, Robert (1998). "Strategies for Compatibilization of Polymer Blends". Progress in Polymer Science. 23 (4): 707–757.
^"NORYL™ RESIN". Saudi Basic Industries Corporation (SABIC). Retrieved 4 February 2015.
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copolymers. Reactivecompatibilization is also much more efficient than traditional compatibilization. This is because in reactivecompatibilization, functional...
Reactivecompatibilization is the process of modifying a mixed immiscible blend of polymers to arrest phase separation and allow for the formation of a...
American Physical Society in 2007 for "pioneering work on the rheology, compatibilization, processing, and properties of polymer blends." He was awarded the...
binders, dispersants and coatings. The specific reactivity of SMA makes it a suitable agent for compatibilizing normally incompatible polymers (e.g. ABS/PA...
between the functional backbone and the end-groups of the branches that are reactive. These coupling reactions are made possible by modifying the backbone chemically...
polymers and decreasing its dispersed phase to droplet size. The compatibilization has been tested by reduction in interfacial tension and steric hindrance...
; Lemstra, Piet J. (1996). "Processing of Thermoplastic Polymers Using Reactive Solvents". High Performance Polymers. 8: 133–167. doi:10.1088/0954-0083/8/1/010...
weakens the material. This problem requires the use of a compatibilizer (see compatibilization) in order to reduce interfacial tension and ultimately make...
methacrylate) side, were shown to be effective as compatibilizing agents of multigram scale compatibilization of two immiscible polymer blends, polystyrene...
jhazmat.2012.04.033. PMID 22575175. Koning, C (1998). "Strategies for compatibilization of polymer blends". Progress in Polymer Science. 23 (4): 707–757....
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