CAJ | 학술논문

以高密度聚乙烯（HDPE）、竹粉（BF）为原料，马来酸酐接枝聚丙烯（MAH?g?PP）作为偶联剂，通过混炼、平板热压成型制备竹粉/HDPE复合材料，研究了马来酸酐接枝聚丙烯添加量（0、2％、5％、8％）对竹粉/HDPE复合材料吸湿性、吸水性、弯曲强度、拉伸强度以及抗冲击强度等性能的影响。结果表明：MAH?g?PP 能显著改善竹粉/HDPE复合材料的吸湿、吸水性能，明显提高复合材料的力学性能；当MAH?g?PP添加量为5％时，复合材料的吸湿、吸水率最低，静曲强度与弹性模量分别提高68％和30?4％，拉伸强度与抗冲击强度分别增长53．7％和75％；而当MAH?g?PP添加量为8％时，复合材料的力学性能在一定程度上有所降低。红外光谱（ FTIR）分析显示，添加MAH?g?PP后竹粉的游离羟基与马来酸酐之间发生了酯化反应。
이고밀도취을희（HDPE）、죽분（BF）위원료，마래산항접지취병희（MAH?g?PP）작위우련제，통과혼련、평판열압성형제비죽분/HDPE복합재료，연구료마래산항접지취병희첨가량（0、2％、5％、8％）대죽분/HDPE복합재료흡습성、흡수성、만곡강도、랍신강도이급항충격강도등성능적영향。결과표명：MAH?g?PP 능현저개선죽분/HDPE복합재료적흡습、흡수성능，명현제고복합재료적역학성능；당MAH?g?PP첨가량위5％시，복합재료적흡습、흡수솔최저，정곡강도여탄성모량분별제고68％화30?4％，랍신강도여항충격강도분별증장53．7％화75％；이당MAH?g?PP첨가량위8％시，복합재료적역학성능재일정정도상유소강저。홍외광보（ FTIR）분석현시，첨가MAH?g?PP후죽분적유리간기여마래산항지간발생료지화반응。
In this work, maleic anhydride grafted polypropylenee(MAH?g?PP) as coupling agent was added to high den?sity polyethylene(HDPE) and bamboo flour(BF) composites which were processed by internal mixer and hot?pressing technology. The results showed that the properties of composites were significantly improved after adding MAH?g?PP. The optimum additive amount is 5%, at this level, the values of hygroscopicity and water absorption of composites were the smallest, and the values of modulus of rupture(MOR) and modulus of elasticity(MOE) were increased by 68% and 30?4%, respectively. The tensile strength and impact strength were increased by 53?7% and 75%, respectively. Howev?er, when the additive amount of MAH?g?PP reached 8%, the values of MOR, tensile strength and impact strength de?creased. Fourier transform infrared spectroscopy( FTIR) confirmed that the grafting reaction happened between free hy?droxyls of bamboo flour and acid anhydride of MAH?g?PP.