Poly(Butadiene-Co-Styrene)/Polystyrene IPN’s, Semi-IPN’s and Graft Copolymers: Staining Behavior and Morphology
Since the synthesis of interpenetrating polymer networks (IPN’s) in this laboratory in 1967,(1) the existence and importance of two-phase morphologies have become increasingly apparent.(2,3) A close relationship to graft copolymers has also been recognized. The research reported here is the first systematic study of the morphological relationships between IPN’s and graft copolymers of the solution graft type. Because of the critical role of staining in revealing morphologies on the 100 Å scale, we have studied the kinetics of OsO4 staining as well.
KeywordsGraft Copolymer Polymer Blend Rubber Particle Interpenetrate Polymer Network Percentage Weight Gain
Unable to display preview. Download preview PDF.
- 6.M. Matsuo, Japan Plastics, 2, 6 (July, 1968).Google Scholar
- 7.K. Kato, Japan Plasties, 2, 6 (April, 1968).Google Scholar
- 8.J. A. Manson and L. H. Sperling, “Polymer Blends and Composites, Broadly Defined”, to be published by Plenum Press, 1974.Google Scholar
- 9.G. E. Molau, Ed., “Colloidal and Morphological Behavior of Block and Graft Copolymers”, Plenum, 1971.Google Scholar
- 10.S. L. Aggarwal, Ed., “Block Polymers”, Plenum, 1970.Google Scholar
- 12.L. H. Sperling, “On the Generation of Novel Polymer Blend, Graft, and IPN Structures through the Application of Group Theory Concepts”. Chapter elsewhere in this volume.Google Scholar
- 14.Commercial materials kindly supplied by Monsanto Chemical Co.: Hi-Flow 55 general purpose polystyrene and Hi-Test 88 high-impact polystyrene.Google Scholar
- 17.J. Crank and G. S. Park, “Diffusion In Polymers”, Academic Press, New York, Ch. 6, 1968.Google Scholar
- 18.The SBR, containing 23.5% styrene by weight, was kindly supplied by General Tire and Rubber Co.Google Scholar
- 20.S. L. Lambert and G. S. Y. Yeh, Bull. Am. Phys. Soc., 14, 423 (March, 1969).Google Scholar
- 21.G. S. Y. Yeh, Poly. Preprints, 14, 718 (1973).Google Scholar