Waste rubber ash modified by silane coupling agent as reinforced filler in acrylonitrile butadiene rubber cured by ionising radiation

ABSTRACT

Composites of acrylonitrile butadiene rubber loaded by different concentration (0–40 parts by weight per hundred parts of rubber (phr)) of waste rubber ash (WRA) that treated by Vinyltriethoxysilane (VTES) have been prepared, and then the composites subjected to gamma radiation at different doses ranged (0 up to 150 kGy) to desire curing. The WRA powder that treated by VTES silane (WRA-Sn) was characterised by different tools like Fourier transforms infrared spectroscopy and X-ray diffraction. Mechanical properties of composites tensile, elongation and modulus were shown enhancement by increasing the treatment of waste rubber and also by increasing irradiation dose. The crosslink density of composites increases by increasing WRA-Sn content and irradiation dose. The thermal stability of a variety of composites was done using thermogravimetric analysis. The results show that the WRA-Sn improves its thermal stability of composites.

KEYWORDS:

• NBR
• waste rubber ash
• silane coupling agent
• gamma radiation
• physical properties

Disclosure statement

No potential conflict of interest was reported by the authors.