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Thesis Title Thermal and Mechanical Properties of Natural Rubber Blended
with Reclaimed Rubber and Low density Polyethylene
Author Miss Leeyana Binmayakok
Major Program Applied Physic
Academic Year 2017
ABSTRACT
The study of thermal and mechanical properties of natural rubber
(NR) blended with reclaimed rubber (RR) low density polyethylene (LDPE) and
blowing agent (BA) was carried out. The aim of this research is to enhance
performance of NR insulator with low cost materials having fixed amount of NR of
100 phr, RR of 200, 400 phr, BA of 0, 10 phr and LDPE were 2, 4, 6 and 8 phr.
o
Thermal conductivity (k) was tested at 79 C. The result showed k value decreased
when RR, BA and LDPE decreased. The best formula is NR 100 phr RR 400 phr and
LDPE 8 phr. It showed k value of 0.0004 W/m.K. In addition mechanical properties
were tested by tensile tester with speed at 50, 100, 200, 300 and 400 mm./min. It
was founded when LDPE and RR increased tensile strength and modulus increased,
but when BA was introduced, tensile strength and modulus decrease.
