采用差示扫描量热仪研究了粉煤灰/聚丙烯(FA/PP)复合材料的非等温结晶行为, 并探讨了基于Jeziorny法和莫志深法的结晶动力学, 最后利用Flynn-Wall-Ozawa方程计算了纯PP和复合材料的结晶活化能。结果表明: 在PP中加入FA后, 复合材料的结晶起始温度To、结晶峰值温度Tp、Avrami指数n、半结晶时间t1/2和冷却速率F(T)均增大, 结晶速率常数Zc降低; 当FA的质量分数为15%时, 复合材料的t1/2、活化能以及F(T)最小, Zc最大; FA/PP复合材料的结晶活化能均高于纯PP的。

所属栏目

物理模拟与数值模拟河南省高等学校矿业工程材料重点学科开放实验室开放(MEM11-10); 河南省煤矿安全生产项目(H12-089); 河南理工大学博士基金资助项目(B2013-10)

收稿日期

2012/12/192013/10/25

作者单位

何小芳:河南理工大学材料科学与工程学院, 焦作 454000东南大学材料科学与工程学院, 南京 211189
罗四海:河南理工大学材料科学与工程学院, 焦作 454000
张崇:河南理工大学材料科学与工程学院, 焦作 454000
曹新鑫:河南理工大学材料科学与工程学院, 焦作 454000

备注

何小芳(1980-), 女, 河南许昌人, 副教授, 博士。

引用该论文:

HE Xiao-fang,LUO Si-hai,ZHANG Chong,CAO Xin-xin.Non-isothermal Crystallization Kinetics Behavior of Fly Ash/Polypropylene Composites[J].Materials for mechancial engineering,2014,38(1):79～85
何小芳,罗四海,张崇,曹新鑫.粉煤灰/聚丙烯复合材料的非等温结晶动力学行为[J].机械工程材料,2014,38(1):79～85

参考文献

【1】

HAO W T, YANG W, CAI H, et al. Non-isothermal crystallization kinetics of polypropylene/silicon nitride nanocomposites［J］.Polymer Testing,2010,29:527-533.

【2】

HAO W T, LI W J, YANG W, et al. Effect of silicon nitride nanoparticles on the crystallization behavior of polypropylene［J］.Polymer Testing,2011,30: 527-533.

【3】

AVELLA M, COSCO S, LORENZO M L, et al. Nucleation activity of nanosized CaCO3 on crystallization of isotactic polypropylene, in dependence on crystal modification, particle shape, and coating［J］.Eur Polym J,2006,42:1548-1557.

【4】

JAIN S, GOOSSENS H, DUIN M V, et al. Effect of in situ prepared silica nano-particles on non-isothermal crystallization of polypropylene［J］.Polymer,2005,46:8805-8818.

【5】

YUAN Q, AWATE S, MISRA R D K. Nonisothermal crystallization behavior of polypropylene-clay nancomposites［J］.Eur Polym J,2006,42:1994-2003.

【6】

LV Z P, WANG K J, QIA Z H, et al. The influence of modified zeolites as nucleating agents on crystallization behavior and mechanical properties of polypropylene［J］.Mater Des,2010,31:3804-3809.

【7】

TANG J G, WANG Y, LIU Y H, et al. Effects of organic nucleating agents and zinc oxide nanoparticles on isotactic polypropylene crystallization［J］.Polymer,2004,45: 2081-2091.

【8】

ARUP R B, SREEKUMAR T V, LIU Tao,et al. Crystallization and orientation studies in polypropylene/single wall carbon nanotube composite［J］.Polymer,2003,44: 2373-2377.

【9】

MOHAMMAD R N, MORTEZA G A, ABDOLHOSEIN F, et al. Effect of carbon nanotubes content on crystallization kinetics and morphology of polypropylene［J］.Polymer Testing,2009,28:46-52.

【10】

XU Dong-hua, WANG Zhi-gang.Role of multi-wall carbon nanotube network in composites to crystallization of isotactic polypropylene matrix［J］.Polymer,2008,49,330-338.

【11】

ALKAN C, ARSLAN M, CICI M, et al. A study on the production of a new material from fly ash and polyethylene［J］.Resour Cons Recl,1995,13: 147-154.

【12】

WARD C R, FRENCH D. Determination of glass content and estimation of glass composition in fly ash using quantitative X-ray diffractometry［J］.Fuel,2006,85:2268-2277.

【13】

NATH D C D, BANDYOPADHYAY S, CAMPBELL J, et al. Surface-coated fly ash used as filler in biodegradable poly(vinyl alcohol) composite films: Part 1-the modification process［J］.Appl Surf Sci,2010,256: 2759-2763.

【14】

NATH D C D, BANDYOPADHYAY S, CAMPBELL J,et al. Surface-coated fly ash reinforced biodegradable poly (vinyl alcohol) composite films: part 2-analysis and characterization［J］.Appl Surf Sci,2010,257:1216-1221.

【15】

NATH D C D. Fabrication of high-strength biodegradable composite films of poly (vinyl alcohol) and fly ash crosslinked with glutaraldehyde［J］.Int J Polymer Mater,2011,60:852-861.

【16】

RAHAIL P, SMITA M, SANJAY K N, et al. Effect of surface modification of fly ash on the mechanical, thermal, electrical and morphological properties of polyetheretherketone composites［J］.Mater Sci Eng:A,2011,528:4277-4286.

【17】

ITZIAR I A, HERMAN P, CHRISTOPHER M L. Evaluation of coupling agents in poly(propylene)/fly ash composites: effect on processing and mechanical properties［J］.Macromol Mater Eng,2011,296:810-819.

【18】

NATH D C D, BANDYOPADHYAY S, AIBING Y, et al. Novel observations on kinetics of nonisothermal crystallization in fly ash filled isotactic-polypropylene composites［J］.J Appl Polym Sci,2010,115:1510-1517.

【19】

DILIP D N, AIBING Y. Isothermal crystallization kinetics of fly ash filled isopolypropylene composite- and a new physical approach［J］.J Therm Anal Calorim,2010,99:423-429.

【20】

NATH D C D, BANDYOPADHYAY S, AIBING Y, et al. Structure-property interface correlation of fly ash-isotactic polypropylene composites［J］.J Mater Sci,2009,44:6078-6089.

【21】

GUHANATHAN S, SAROJA D M. Effect of environmental stress on the mechanical properties of surface treated fly-ash/polyester particulate composite［J］.Polym Int,2002,51:289-296.

【22】

GUHANATHAN S, SAROJA D M. Studies on interface in polyester/fly-ash particulate composites［J］.Compos Interfaces,2004,11:43-66.

【23】

PRADEEP K R, TAKUYA M, NIKHIL G N. Compressive and ultrasonic properties of polyester/fly ash composites［J］.J Mater Sci,2009, 44: 1485-1493.

【24】

KULKARNI S M. Effect of contact at the interface on the compressive properties of fly ash-epoxy composites［J］.J Adhes,2002,78:155-166.

【25】

ALTAWEEL A M, RANGANATHAIAH C, KOTHANDARAMAN B. Mechanical properties of modified epoxies as related to free volume parameters［J］.J Adhes, 2009,85:200-215.

【26】

MISHRA S, SHIMPI N G. Studies on mechanical, thermal, and flame retarding properties of polybutadiene rubber (PBR) nanocomposites［J］.Polym Plast Technol Eng,2008,47:72-81.

【27】

MISHRA S, PATIL U D, SHIMPI N G. Synthesis of mine-ral nanofiller using solution spray method and its influence on mechanical and thermal propertie of EPDM nanocomposites［J］.Polym Plast Technol Eng,2009,48:1078-1083.

【28】

JEZIORNY A. Parameters characterizing the kinetics of the non-isothermal crystallization of poly (ethyleneterephthalate) determined by DSC［J］.Polymer,1978,19: 1142-1148.

【29】

莫志深.一种研究聚合物非等温结晶动力学的方法［J］.高分子学报, 2008(7): 656-660.

【30】

FLYNN J H, WALL L A, General treatment of the thermogravimetry of polymers［J］.J Res Natl Bur Stand,1966,70:487-523.

【31】

OZAWA T. A new method of analyzing thermogravimetric data［J］.Bull Chem Soc Jpn,1965,38:1881-1886.

【32】

LORENZO M L, SILVESTRE C. Non-isothermal crystallization of polymers［J］.Prog Polym Sci,1999,24: 917-950.

【33】

LONKARA S P, MORLAT-THERIAS S, CAPERAA N, et al. Preparation and nonisothermal crystallization behavior of polypropylene/layered double hydroxide nanocomposites［J］.Polymer,2009,50:1505-1515.

【34】

AVRAMI M. Kinetics of phase change I general theory［J］.J Chem Phys,1939,7:1103-1112.

【35】

LIU Yan, YANG Gui-sheng. Non-isothermal crystallization kinetics of polyamide-6/graphite oxide nanocomposites［J］.Thermochimica Acta,2010,500:13-20.

【36】

OZAWA T. Kinetics of the non-isothermal crystallization［J］.Polymer,1971,12:150-158.