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A Study on the PP/PS Blends with Nylon 6 Reactive Compatibilizers  

서성식 (충남대학교 공과대학 고분자공학과)
이기윤 (충남대학교 공과대학 고분자공학과)
김성희 (충남대학교 공과대학 고분자공학과)
김동철 (충남대학교 공과대학 섬유공학과)
이승구 (충남대학교 공과대학 섬유공학과)
Publication Information
Polymer(Korea) / v.26, no.1, 2002 , pp. 71-79 More about this Journal
Abstract
RPP(maleic-anhydride grafted PP)and OPS(oxazoline grafted PS) do not react to each other, and thus show immiscibility. In this study, Nylons was added to RPP/OPS blend systems, as a reactive compatibilizer for enhancing the miscibility of the blends. When Nylon6 was added to the blends of RPP and OPS, RPP/Nylon6/OPS was produced. The effects of the molar ratio of Nylon6 on the RPP-Nylon6-OPS reaction were studied. Torque test and FT-IR analysis have been carried out to investigate the reaction of RPP/Nylon6/OPS system. The reaction torgue ratio and reaction efficiency show the maximum values at 1 : 0.66 : 1 and 1 : 1 : 1 (in moles) for RPP/Nylon6/OPS. In the RPP/Nylon6/OPS blends, their mechanical properties were changed with the molar ratio of Nylon6 and showed the highest value at molar ratio of 1.5. Physical properties and compatibility of RPP/Nylon6/OPS were compared with those of PP/Nylon6/OPS. Consequently, RPP/Nylon6/OPS plays a proper role as a reactive compatibilizer to the PP/PS blend system.
Keywords
polypropylene; polystyrene; Nylon6; blend; reactive compatibilizer;
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