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The formation process of Interpenetration Polymer Network (IPN) base on poly blend polyurethane (PU)-SIR-5 Natural Rubber (NR) which assisted montmorillonite (MMT) as a filler was carried out. The PU was synthesized by mixing polypropylene glycol and toluene diisocyanates (mole ratio 2: 1). NR was vulcanised by adding stearic Acid, zinc oxide, MBTS and sulfur, respectively. PU was mixed with NR at 140 oC to generate IPN PU-NR. Then, IPN PU-NRMMT composite may be produced by adding MMT. The IPN PU-NR-MMT composite was characterized by Tensile Strength Test, Water Absorption Test, SEM, FTIR and DSC, respectively. The results showed that a mixture of IPN composites increased with increasing MMT and its good elongation. Mechanical properties, physical and IPN composite morphology is influenced by the amount of MMT. It causes there is a cross linking each other at the bond interface. keywords: Interpenetrating polymer network (IPN), SIR-5 Natural Rubber (NR), Polyurethanes (PU), Montmorillonite (MMT)

oriental journal of chemistry/oriental journal of chemistry

Formation Process of Interpenetration Polymer Networking Composite Base on Poly Composite Polyurethane-Natural Rubber Assisted Montmorillonite as A Filler