Influence of silanized bacterial cellulose on the mode I interlaminar fracture toughness of glass fiber filled with epoxy resin

被引：9
|
作者：
Manh Vu, Cuong [1 ]
Kien, Bui Xuan [2 ]
机构：
[1] Le Qui Don Tech Univ, Fac Chem Phys Engn, Hanoi, Vietnam
[2] Elect Power Univ, Fac Nat Sci, Hanoi, Vietnam
来源：
COMPOSITE INTERFACES | 2022年 / 29卷 / 01期
关键词：
Interlaminar fracture toughness; bulk epoxy composite; GFRP; epoxy resin; silanized bacterial cellulose; MECHANICAL-PROPERTIES; COMPOSITES; NANOPARTICLES; FABRICATION; IMPROVEMENT; FUNCTIONALIZATION; ENHANCEMENT; AEROGELS; SILICA;
D O I：
10.1080/09276440.2021.1884469
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
In the present work, the bacterial cellulose was grafted with silane coupling agent and its characteristics were determined with help of Fourier-transform infrared spectroscopy, Nuclear magnetic resonance spectroscopy. The silanized bacterial cellulose was used as toughener for both epoxy resin and glass fiber reinforced epoxy resin composites. Both the epoxy bulk composites and glass fiber-filled epoxy composites were prepared via three steps hot curing processing using 4, 4MODIFIER LETTER PRIME - diamino diphenyl sulfone (DDS) as hardener and salicylic acid (HX) as an accelerator. The curing profile of epoxy with curing agent was also studied with help of differential scanning calorimetry (DDS). The tensile properties, fracture toughness, and morphology of both epoxy bulk composites and glass fiber composites were investigated in detail. The mechanism fracture toughness was also proposed to explain for the improvement of interlaminar fracture toughness of glass fiber-filled epoxy composite.
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页码：1 / 15
页数：15
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