Study on Shape-Memory Mechanism and Properties of NR/TPI Blends

Guang Yi Lin; Shu Ming Liu; Fang Chen Dong

doi:10.4028/www.scientific.net/AMM.467.146

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 467Study on Shape-Memory Mechanism and Properties of...

Study on Shape-Memory Mechanism and Properties of NR/TPI Blends

Abstract:

Crystalline grains of TPI distribute in NR/TPI blends in the role of physical crosslinking points and make up for deficiencies of the NR/TPI blending system. The flexibility and strength have been enhanced significantly by increasing the the addition level of TPI. The NR/TPI vulcanizates containing 30% of TPI were found to show the recovery rate of 99.4%, while the shape fixity was close to 100%. The study indicated that the recovery rates of NR/TPI vulcanizates depended to a large extent on the addition level of TPI. The influence of the addition level of TPI on the micro-structure of NR/TPI blends was investigated. In addition, the effects of TPI content on static mechanical properties, dynamic mechanical properties, shape-memory performance and cure characteristics of NR/TPI blends were also discussed.

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Periodical:

Applied Mechanics and Materials (Volume 467)

Pages:

146-151

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.467.146

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Online since:

December 2013

Authors:

Guang Yi Lin*, Shu Ming Liu, Fang Chen Dong

Keywords:

Mechanical Property, Mixing, Shape Memory, Trans-1,4-polyisoprene

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