Blend of polychloroprene and epoxidized natural rubber

Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing

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152151, 152525, 525215, B64C 100, B29D 2200, B29D 2300, B32B 108

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051185466

ABSTRACT:
The present invention relates to an elastomeric composition comprising a blend of from about 25 to about 75 percent by weight of polychloroprene and from about 75 to about 25 percent by weight of epoxidized natural rubber having a level of epoxide modification in the range of from about 15 to 85 mole percent. These blends may be incorporated along with conventional sulfur-vulcanized elastomers to provide new and improved compounded rubbers particularly suited for use in tire tread applications.

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patent: 4674622 (1987-06-01), Utsunomiya et al.
ACS Rubber Division Preprints; Chicago, Fall 1983, Paper 61, H. J. Barger and L. R. Mayo.
The Neoprenes, R. M. Murray, D. C. Thompson, E. I. DuPont & Company, Wilmington, Delaware 1963.
Encyclopedia of Polymer Science & Engineering, 2nd Edition, Wiley Interscience, New York, New York 1985, vol. 3, pp. 441-462.
A. G. Margaritis, N. K. Kalfoglou, Polymer 28, 497 (1987).
J. K. Kallitsis, N. K. Kalfoglou, Die Angewandte Makromolekulare Chemie, 148, 103 (1987).
A. G. Margaritis, N. K. Kallitsis, N. K. Kalfoglou, Polymer 28, 2122 (1987).
I. A. Katime, M. S. Anasagasti, M. C. Peleteiro, R. Valenciano, Eur. Polym. J., 23 (11) 907 (1987).
M. Bosma, G. Ten Brinke, T. S. Ellis, Polymer Preprints, 29 (1) 212 (1988).

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