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Preparation and Properties of Siloxane Modified EPDM/HDPE/Carbon black Composite  

Lee, Byoung-Chul (Hyperstructured Organic Materials Research Center, Deparment of polymer Science & Engineering, Dankook University)
Kang, Doo-Whan (Hyperstructured Organic Materials Research Center, Deparment of polymer Science & Engineering, Dankook University)
Publication Information
Polymer(Korea) / v.31, no.1, 2007 , pp. 80-85 More about this Journal
Abstract
Maleic anhydride (MA) modified ethylene-propylene-diene terpolymer (MEPDM) was pre-pared from solution polymerization. MEPDM-g-PST copolymer was prepared by melt polymerization of male ate d EPDM and quaternary ammonium silyl polydimethylsiloxane -7,7,8,8- tetracyanoquinodimethane (TCNQ) adduct (PST) in internal mixer and MEPDM-g-PST/HDPE/CB (MPEC) was prepared by com-pounding HDPE, MEPDM-g-PST copolymer and carbon black (CB, 5, 10, 15, and 20 phr), and HDPE/ CB (PEC) by compounding HDPE and CB (5, 10, 15, and 20 phr), respectively. The structure of MEPDM-g-PST copolymer was confirmed by measuring the FTIR. The maximum grafting ratio of MA onto EPDM was 2.35%. The thermal and mechanical properties of the composites were measured and dispersion characteristics of CB in matrix show that CB in MPEC was better dispersed than that in PEC composite.
Keywords
quaternary ammonium silyl polydimethplsiloxane; maleated EPDM; 7,7,8,8-tetracyanoquino-dimethane; carbon black;
Citations & Related Records
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