研究了HMPIB硫化胶及IIR/HMPIB硫化胶的力学性能及耐热空气老化、耐臭氧老化、耐酸腐蚀的性能。结果表明：HMPIB硫化胶有较高的拉伸强度、撕裂强度、扯断伸长率,但定伸应力较低,具有良好的耐臭氧老化和耐酸腐蚀性能；IIR中加入HMPIB,随着用量的增加,硫化胶的拉伸强度、撕裂强度、扯断伸长率增加,定伸应力降低。 HMPIB能使IIR的耐臭氧、耐酸腐蚀性能得到提升,但不利于IIR的耐热性能。
The mechanical property, hot air aging property, ozone aging property, acid resistance property of HMPIB and IIR/HMPIB were studied in this paper. The results showed that the HMPIB vulcanized rubber has high tensile strength,tear strength and good elongation at break,but lower stress at definite elongation. HMPIB also has good ozone aging property and acid resistance property. For IIR/HMPIB,with the increase of HMPIB’s amount, the tensile strength, tear strength, elongation at break were increase, stress at definite elongation was decrease. HMPIB can improve the ozone aging property and acid resistance property of IIR,but not conducive to the heat aging property.
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