Natural rubber–ethylene‐propylene‐diene rubber covulcanization: Effect of reinforcing fillers
Tóm tắt
Filled covulcanizates of elastomer blend comprising natural rubber (NR) and ethylene‐propylene‐diene rubber (EPDM) of commercial importance were successfully prepared by using a multifunctional rubber additive; namely, bis(diisopropyl)thiophosphoryl disulfide (DIPDIS). A Two‐stage vulcanization technique further improved the physicochemical properties of the blend vulcanizates by restricting, through the formation of polar rubber bound intermediates, the migration of curative and filler from lower to highly unsaturated rubber. Scanning electron microscopy studies indicate homogeneity and coherency in the morphology of the two‐stage vulcanizates. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 84: 1001–1010, 2002; DOI 10.1002/app.10361
Từ khóa
Tài liệu tham khảo
Shulman C.B., 1986, Rubber Chem Technol, 59, 180
Tinker A.J., 1994, Proc Int Rubber Con., 180
Itsuro F., 1971, (Sumitomo Chemical Company
Yasui S.;Hirooka M.;Oshima T.(Sumitomo Chemical Company). U.S. Pat. 3 649 573 (March 14 1972).
Lohmar J., 1986, Kautchuk Gummi Kunststoffe, 39, 1065
Whittington W.H., 1976, Rubber Ind, 9, 151
Sutton M.S., 1964, Rubber World, 149, 62
Blumel H., 1971, Kautschuk Gummi Kunststoffe, 24, 517
vanDuin M., 1993, Kautschuk Gummi Kunststoffe, 46, 455
Callan J.E., 1965, Rubber World, 151, 60