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Information Journal Paper

Title

THE CYCLIZATION OF NATURAL RUBBER

Pages

  91-96

Abstract

 The effects of solvent, temperature, time, weight percent of catalyst on the rate and mechanism of CYCLIZATION of NATURAL RUBBER (NR) was studied in toluene and xylene solutions having tin tetra chloride catalyst (SnCl4). Iodometric titration show, with 8% SnCl4 (based on polymer weight) CYCLIZATION occurs, leaving 27.4% of the total unsaturation. Infrared spectra of cyclized NR show decreased absorption intensity at 840 and 780 cm-1 which are characteristic bands of the linear polymer and the appearance of absorption band at 890 cm-1 as cycles were formed By using this CHEMICAL MODIFICATION, NR is transformed into a resinous thermoplastic, hard, non rubbery cyclized material with much less unsaturation than the original rubber, which could find commercial applications as adhesives, printing inks, industrial and SHIP PAINTs.

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    • Cite

    APA: Copy

    MIRZA TAHERI, M.. (2000). THE CYCLIZATION OF NATURAL RUBBER. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 19(2), 91-96. SID. https://sid.ir/paper/528748/en

    Vancouver: Copy

    MIRZA TAHERI M.. THE CYCLIZATION OF NATURAL RUBBER. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2000;19(2):91-96. Available from: https://sid.ir/paper/528748/en

    IEEE: Copy

    M. MIRZA TAHERI, “THE CYCLIZATION OF NATURAL RUBBER,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 19, no. 2, pp. 91–96, 2000, [Online]. Available: https://sid.ir/paper/528748/en

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