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Polymer Blends pp 265-280 | Cite as

Mechanical Properties of Multicomponent Polymeric Materials: A Predictive Classification of Binary Systems

  • R. Greco

Abstract

Multicomponent polymeric materials, including polymer blends, block, graft and random copolymers, interpenetrating and semi-interpenetrating networks, gradient polymers or combinations of the above listed systems, are becoming, recently more and more interesting from both practical and scientific points of view1–3. In fact, it is possible to obtain on the one hand new plastic materials (oriented towards well definite end-uses) just optimizing specific properties coming from different polymers. This result can be obtained by various processing procedures: 1) melt-mixing two or more homopolymers or copolymers (blends); 2) polymerizing two or more monomers (copolymers)1; 3) forming one or two networks (semi or interpretating networks or gradient polymers). On the other hand, the concept of the compatibility of two or more high molecular weight substances is a very attractive scientific subject. In fact, even for the simplest case of two amorphous rubbery components in a blend, the segmental compatibility between the two species is a rare event, since generally the entropy gain in the mixing is very low4. However a few couples of polymers, exhibiting strong attractive interactions can show a good compatibility or at least a good homogeneity (very fine domains of the dispersed phase).

Keywords

Impact Strength Random Copolymer Isotactic Polypropylene Thermoplastic Elastomer Ternary Blend 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • R. Greco
    • 1
  1. 1.Istituto di Ricerche su Tecnologia dei Polimeri e Reologia del C.N.R.Arco Felice, NapoliItaly

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