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Effect of Functionalization of Carbon Black on Rubber Properties

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C<strong>on</strong>clusi<strong>on</strong>s<br />

Two different types <str<strong>on</strong>g>of</str<strong>on</strong>g> silica modified materials, CSDPF 2000 and CSDPF 4000 have<br />

been discussed. Their applicati<strong>on</strong>s in tread compounds have been investigated. Based <strong>on</strong><br />

the performance in the laboratory, the global compromise between rolling resistance,<br />

wear resistance and wet skid resistance for the tread compounds can be significantly<br />

improved by replacing the c<strong>on</strong>venti<strong>on</strong>al fillers with the CSDPF 4000 type <str<strong>on</strong>g>of</str<strong>on</strong>g> product<br />

(CRX4210) for passenger tire tread and with CSDPF 2000 type <str<strong>on</strong>g>of</str<strong>on</strong>g> product (CRX2124)<br />

for truck tire tread.<br />

References<br />

1. M. –J. Wang, <strong>Rubber</strong> Chem. Technol., 71, 520 (1998).<br />

2. M. –J. Wang, K. Mahmud, L. J. Murphy, and W. J. Patters<strong>on</strong>, Kauts. Gummi Kunstst.,<br />

51, 348 (1998).<br />

3. W. J. Patters<strong>on</strong>, M. –J. Wang, and K. Mahmud, Tire Technology, Internati<strong>on</strong>al ’98, P.<br />

33, (1998).<br />

4. Cabot Corporati<strong>on</strong>, unpublished work.<br />

5. J. M. Giustino and R. J. Emers<strong>on</strong>, “Instrumentati<strong>on</strong> <str<strong>on</strong>g>of</str<strong>on</strong>g> the British Portable Skid<br />

Tester” Paper presented at 123 rd Meeting, <strong>Rubber</strong> Divisi<strong>on</strong>, ACS, Tor<strong>on</strong>to, Canada,<br />

May 10-12, 1983.<br />

6. K. Mahmud, and M. –J. Wang, USP 5,904,762, USP 6,057387 (to Cabot<br />

Corporati<strong>on</strong>).<br />

7. A. R. Payne, J. Polym. Sci., 6, 57 (1962); A. R. Payne and R. E. Whittaker, <strong>Rubber</strong><br />

Chem. Technol., 44, 440 (1971).<br />

8. M. -J. Wang, <strong>Rubber</strong> Chem. Technol., 72, 430 (1999).<br />

9. B. Freund, presented at a workshop <str<strong>on</strong>g>of</str<strong>on</strong>g> DIK, Hannover, 1998; Eur. <strong>Rubber</strong> J., Sept,<br />

34, 1998. M. G. Hess, presented at “<str<strong>on</strong>g>Carb<strong>on</strong></str<strong>on</strong>g> <str<strong>on</strong>g>Black</str<strong>on</strong>g> World 99”, Padova, Italy, April<br />

19-21, 1999.<br />

10. R. B. Knill, D. J. Shepherd, J. P. Urb<strong>on</strong>, and N. G. Endter, Proc. Int. Rubb. C<strong>on</strong>f.<br />

1975, Volume V, RRIM, Kuala Lumpur, 1976.<br />

11. P. J. Wats<strong>on</strong>, Presented at TireTech’99.<br />

12. M. -J. Wang, P. Zhang and K. Mahmud, <strong>Rubber</strong> Chem. Technol., in press.<br />

20

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