Tailoring the Properties of Thermoplastic Starch with Bamboo Powder and/or Hollow Glass Microspheres

被引:1
|
作者
Gomes de Souza Santos, Liliane Cruz [1 ]
Ayres, Eliane [2 ]
de Goes Padula, Flavio Renato [1 ]
机构
[1] Fed Ctr Technol Educ CEFET MG, Dept Mat, Av Amazonas, Belo Horizonte, MG, Brazil
[2] Minas Gerais State Univ UEMG, Sch Design, Dept Mat Technol & Proc, Ave Antonio Carlos, Belo Horizonte, MG, Brazil
关键词
Thermoplastic starch; bamboo powder; hollow glass microspheres; wettability; COMPOSITES; FILLER;
D O I
10.7569/JRM.2017.634121
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
In this study, bamboo powder and/or hollow glass microspheres were added to thermoplastic cassava starch in order to overcome its drawbacks. The composites were characterized by scanning electron microscopy (SEM), tensile testing, water contact angle measurement and X-ray diffractometry (XRD), in addition to their thermal properties. The mechanical strength of the composites showed a general decline with increasing bamboo powder content while the water contact angles increased up to 15% of bamboo powder content (% w/w dry starch). The addition of hollow glass microspheres provides an optimal balance between hydrophobicity and mechanical strength. The results pointed to improved properties that are expected to make thermoplastic starch more attractive and hence more competitive with synthetic polymers.
引用
收藏
页码:307 / 312
页数:6
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