Impact test and bioactivity properties of polycaprolactone (PCL) by addition of nano-montmorillonite (MMT) and hydroxyapatite (HA)
This report described the Impact Test result and Bioactivity Properties of biodegradable Polycaprolactone (PCL) blend with nano- Montmorillonite (MMT) Hydroxyapatite (HA). The amount of nano-MMT is varies from 2 to 4 by weight % meanwhile the amount of HA is fixed to 10 by weight percentage (wt%). T...
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| நிகழà¯à®¨à®¿à®²à¯ˆ அணà¯à®•à®²à¯: | http://eprints.uthm.edu.my/4487/ http://eprints.uthm.edu.my/4487/1/Impact_Test_and_Bioactivity_Properties_of_Polycaprolactone.pdf |
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| தொகà¯à®ªà¯à®ªà¯: | This report described the Impact Test result and Bioactivity Properties of biodegradable
Polycaprolactone (PCL) blend with nano- Montmorillonite (MMT) Hydroxyapatite (HA). The
amount of nano-MMT is varies from 2 to 4 by weight % meanwhile the amount of HA is fixed to
10 by weight percentage (wt%). The addition of nano-MMT and HA filler is to tune and indirectly
improve the mechanical and bioactive properties of PCL. The samples for these test are injected
from injection molding machine. The Impact test are conducted using Charpy Method. From the
analysis it is found that the toughness of PCL are decreased by the addition of these fillers.
PCL/MMT composites gives a better result compare to PCL/MMTlHA composites. This is due to
the HA characteristic which is brilttle and tends to reduce the ductile properties of the polymer.
From the Simulated Body Fluis (SBF) result, formation of apatite layer at the surface of the
composites is evidence of excellent bioactivity properties of HA. The enhance of bioactivity has
been proved while incorporation of HA into PCLMMT composite. SEM-EDX image showed the
bulk formation of apatite layers on the composite surface with 10 wt% HA after 3 days immersed in
SBF solution. |
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