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Effective factors on heat aging properties of IIR vulcanizate

Wen-Tao Ji

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Abstract

The effect of different curing systems and other ingredients on the heat aging properties of IIR vulcanizate was investigated.The test results showed that the physical property retention of IIR cured with resin after 160 ℃×24 h heat aging was superior to those cured with sulfur or sulfur donor;the optimum heat aging properties of IIR vulcanizate were obtained when 5～10 phr of resin,5～9 phr of SnCl 2 and 5 phr of ZnO were used;and the heat aging properties were further improved by adding ISAF/GPF and ricinus oil.

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What this paper is about

The effect of different curing systems and other ingredients on the heat aging properties of IIR vulcanizate was investigated.The test results showed that the physical property retention of IIR cured with resin after 160 ℃×24 h heat aging was superior to those cured with sulfur or sulfur donor;the optimum heat aging properties of IIR vulcanizate were obtained when 5～10 phr of resin,5～9 phr of SnCl 2 and 5 phr of ZnO were used;and the heat aging properties were further improved by adding ISAF/GPF and ricinus oil.

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Available abstract

The effect of different curing systems and other ingredients on the heat aging properties of IIR vulcanizate was investigated.The test results showed that the physical property retention of IIR cured with resin after 160 ℃×24 h heat aging was superior to those cured with sulfur or sulfur donor;the optimum heat aging properties of IIR vulcanizate were obtained when 5～10 phr of resin,5～9 phr of SnCl 2 and 5 phr of ZnO were used;and the heat aging properties were further improved by adding ISAF/GPF and ricinus oil.

Key concepts: Materials science, Sulfur, Curing (chemistry), Composite material, Infinite impulse response, Metallurgy, Computer science, Digital filter

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