Thermoplastic polymer/organoclay

Rheology of Organoclay Nanocomposites Based on Thermoplastic Polymer... 

There are so many thermoplastic polymers that it is not possible to present the rheological behavior of organoclay nanocomposites based on each of them. Here, we will consider rheological behavior of organoclay nanocomposites based on polycarbonate (PC), which can be regarded as being representative of the majority organoclay... 

Numerous research groups have reported on the preparation of organoclay nanocomposites based on various thermoplastic polymers and there are too many articles to cite them all here. A recent review article [1] has cited 460 articles dealing with nanocomposites. In the past 10 years the number of articles dealing with nanocomposites has increased dramatically for instance, there are over 40,000 articles listed under the title of nanocomposites in SciFinder on the Internet, which are either published in refereed journals or documented in conference proceedings. 

Many different polymers have already been used to synthesize polymer-clay nanocomposites. In this section, an overview of the advances that have been made during the last 10 years in the intercalation and the delamination of organoclay in different polymeric media is given. The discussion mainly covers the work involving thermoset nanocomposites along with a brief discussion about thermoplastic-based nanocomposites. 

Mishra, J. K., Hwang, K.-J., and Ha, C.-S., Preparation, mechanical and rheological properties of a thermoplastic polyolefin (TPO)/organoclay nanocomposite with reference to the effect of maleic anhydride modified polypropylene as a compatibifizer. Polymer, 46, 1995-2002 (2005). 

PP- -MA has been utilized as a compatibilizer even in the case of thermoplastic poly-olefin/organoclay hybrids. The polymer has a ratio of PP to rubber in the TPO of 25 100 by weight, whereas the compatibilizer was utilized in a 3 1 ratio to the organoclay. The XRD measurements indicated intercalated structure whereas an increase in the tensile and storage moduli was observed [59]. 

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