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《Journal of Jiangxi Normal University(Natural Science Edition)》 2018-03
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THe Effect of Compatibilizer mPOE Content on the Structure and Properties of R-PET/LLDPE Blends

LIU Yongjun;ZHONG Ming;SONG Cheng;SHENG Shouri;HOU Haoqing;College of Chemistry and Chemical Engineering,Jiangxi Normal University;  
In the present study,high-toughen and low-cost recycled poly( ethylene terephthalate)( R-PET) engineering plastics is prepared by R-PET blended with linear low density polyethylene( LLDPE),compabilitied with poly( ethylene-octene) grafted glycidyl methacrylate( mPOE) via reactive extrusion. The effect of mPOE content on morphology and properties of R-PET/LLDPE blends is investigated. The results show that dispersed phase particles size and interparticle distance reduce with increasing mPOE content,but keep constant above the critical compatibilizer concentration about 5 wt%. The mechanical properties test shows that the breaking elongation and notched impact strength of R-PET/LLDPE/mPOE blends increase rapidly with the increase of mPOE content,and then decrease slowly. DSC results show that with the increase of mPOE content in the blends,the nucleation effect of R-PET decrease.
【Fund】: 国家自然科学基金(51663011 21464007);; 江西省高等学校科技落地计划(KJLD14022);; 江西师范大学博士启动基金及校级科研(2006103)资助项目
【CateGory Index】: TQ320.1
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