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Development and characterisation of vinyloxyaminosilane grafted ethylene-propylene-diene terpolymer (EPDM-g-VOS) for engineering applications by M.S.C Kumar; M Alagar is a Materials Science article available to read on EtoBox.

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A novel and new copolymer of vinyloxyaminosilane grafted ethylene-propylene-diene terpolymer (EPDM-g-VOS) has been synthesised in toluene using dicumyl peroxide as initiator. The grafting efficiency of vinyloxyaminosilane (VOS) onto ethylene-propylene-diene terpolymer (EPDM) has been studied as a function of EPDM content, reaction time, reaction temperature and initiator concentration. Using the optimum grafting efficiency conditions, EPDM-g-VOS has also been developed in a Haake Rheocord-90, torque rheometer. The grafting of vinyloxyaminosilane onto ethylene-propylene-diene terpolymer (EPDM-g-VOS) has been confirmed by Fourier-transform infrared spectroscopy. The mechanical, thermal, and electrical, properties of hot water cured EPDM-g-VOS and peroxide cured EPDM are compared. The mechanical properties of EPDM-g-VOS are decreased due to the flexibility imparted by VOS. However thermal and dielectric properties are increased due to the introduction of VOS onto EPDM as well as the formation of thermally stable three dimensional network through Si-O-Si-linkage.

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Author

M.S.C Kumar; M Alagar

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0014-3057)

Published

2002

Language

EN

Field

Materials Science (Physical Sciences)