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EFFECT STUDY OF USING OF OYSTER SHELLS ON RHEOLOGICAL PROPERTIES OF RUBBER | ||
| Iraqi journal of mechanical and material engineering | ||
| Article 1, Volume 13, Issue 2, 2013, Pages 379-383 | ||
| Abstract | ||
| The Present research included study the effect of calcium carbonate extracted from oyster shells on rheological properties of natural rubber which added in different amount (20,30pphr).The calculating properties was :scorch time ,cure time ,viscosity and max torque . Oscillating Disk Rheometer was used to measuring the above properties by specified the behavior of master batch through scorch time. The obtained results shown that decreased scorch and cure time when added shells powder with increasing scorch time at (30pphr) ,also increased rubber viscosity after shells powder , and decreased rubber max torque at (30pphr) from shells powder due to decreasing scorch time . | ||
| Keywords | ||
| natural rubber; Oyster Shells; rheological properties | ||
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