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首页> 外文期刊>Journal of Applied Polymer Science >Mechanical and nonisothermal crystallization properties of coal gasification fine slag glass bead-filled polypropylene composites
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Mechanical and nonisothermal crystallization properties of coal gasification fine slag glass bead-filled polypropylene composites

机译：煤气化精细炉渣玻璃胎珠聚丙烯复合材料的机械和非热结晶性能

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摘要

Coal gasification fine slag (CGFS) was subjected to calcination at 600 degrees C for 7 h, forming CGFS glass beads (CGFSGB). CGFSGB was successfully incorporated into polypropylene (PP) by melt compounding. The results indicated that CGFSGB has the potential to replace calcium carbonate in the plastics market. Thermogravimetric analysis showed obvious reinforcement in thermal stability by incorporation of CGFSGB, but crystallization ability decreased. The CGFSGB was modified with 3-methacryloxypropyltrimethoxy silane (KH570) and hydrochloric acid (HCl) to improve the compatibility between the CGFSGB and PP, resulting in CGFSGB-S and CGFSGB-A, respectively. The tensile strength, thermal stability, and crystallization ability of PP composites and dispersity of the CGFSGB were increased after modification by KH570 and HCl, and the PP/CGFSGB-A composites showed better performance than PP/CGFSGB-S. Surface area and pore structure analysis and transmission electron microscopy revealed that good mechanical performance of PP/CGFSGB-A may be attributed to existence of mesopores in CGFSGB-A. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47803.
机译：煤的气化细渣（CGFS）进行在600℃下煅烧7小时，形成CGFS玻璃珠（CGFSGB）。 CGFSGB成功掺入聚丙烯（PP）通过熔融配混。结果表明，CGFSGB有可能取代塑料市场碳酸钙的潜力。热重分析表明明显增强由CGFSGB掺入的热稳定性，但结晶能力下降。所述CGFSGB与3-甲基丙烯酰氧基硅烷（KH570）和盐酸（HCl）改性以改善CGFSGB和PP之间的相容性，导致CGFSGB-S和CGFSGB-A，分别。拉伸强度，热稳定性，和PP复合材料和CGFSGB的分散度的结晶能力由KH570和HCl改性后增加，并且PP / CGFSGB-A复合材料显示出比PP / CGFSGB-S更好的性能。表面积和孔结构分析和透射电子显微镜揭示PP / CGFSGB-A的其良好的机械性能可以归因于在CGFSGB-A中孔的存在。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019年，136，47803。

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