Effect of zinc oxide loading levels on the cure characteristics, mechanical and aging properties of the EPDM rubber



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9/19/2021 7:09:12 PM

This paper attempts to show that,
activated by adding different loading levels of zinc oxide (ZnO).
to mix and distribute the elements of the rubber compound. MV
rheometer employed to determine the properties of th
6 min. The curing process carried out using the hot press at a temperature of 180°C
and pressure of 10 bars. Results show that the addition
hundred parts of rubber (phr)
scorch time ,curing time with
particularly at 2 and 4 phr
modulus of elasticity at 300% elongation, hardness and compressio
phr represent the best loading level of the ZnO, which had more effect on the aging
and mechanical properties.
especially when the retention percentage of the properties after the
Key words: EPDM, Zn
Properties.
This paper attempts to show that, the ethylene-propylene-diene monomer (EPDM)
activated by adding different loading levels of zinc oxide (ZnO). A two
to mix and distribute the elements of the rubber compound. MV-ODR
rheometer employed to determine the properties of the rubber compound at 180
. The curing process carried out using the hot press at a temperature of 180°C
and pressure of 10 bars. Results show that the addition of the (2,4,6,8,10)
hundred parts of rubber (phr) ZnO into the EPDM elastomer guides to reduc
with increasing the Max.Torque and cure rate index (CRI),
phr. Furthermore, an improvement in the tensile strength and
modulus of elasticity at 300% elongation, hardness and compression set seen. 2 and 4
phr represent the best loading level of the ZnO, which had more effect on the aging
and mechanical properties. In addition, the rubber compound becomes more stiffness,
especially when the retention percentage of the properties after thermal aging is low.
EPDM, Zn, Mechanical Properties, Cure Characteristics
Salih Abbas Habeeb, Zoalfokkar Kareem Alobad and Muayad
Abdulhasan Albozahid, Effect of Zinc Oxide Loading Levels On The Cure
Characteristics, Mechanical and Aging Properties of The EPDM Rubber


وصف الــ Tags لهذا الموضوع   Mechanical Properties, EPDM, Zn, Cure Characteristics