2012
DOI: 10.5012/bkcs.2012.33.8.2513
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Thermal Stability and Fracture Toughness of Epoxy Resins Modified with Epoxidized Castor Oil and Al2O3Nanoparticles

Abstract: This study examined the effects of the epoxidized castor oil (ECO) and Al 2 O 3 content on the thermal stability and fracture toughness of the diglycidylether of bisphenol-A (DGEBA)/ECO/Al 2 O 3 ternary composites using a range of techniques. The thermal stability of the composites was decreased by the addition of ECO and Al 2 O 3 nanoparticles. The fracture toughness of the composites was improved significantly by the addition of ECO and Al 2 O 3 nanoparticles. The composite containing 3 wt % Al 2 O 3 nanopar… Show more

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Cited by 14 publications
(5 citation statements)
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“…The use of catalytic curing agents increases the storage stability and handling of epoxy resins. Catalytic curing agents can be divided into benzylsulfonium, benzylpyridinium, benzylammonium, and phosphonium salts [4,[75][76][77][78][79][80][81]. The chemical structures of N-benzylpyrazinium hexafluoroantimonate (BPH) and N-benzylquinoxalinium hexafluoroantimonate (BQH) are shown in Fig.…”
Section: Catalytic Curing Agentsmentioning
confidence: 99%
“…The use of catalytic curing agents increases the storage stability and handling of epoxy resins. Catalytic curing agents can be divided into benzylsulfonium, benzylpyridinium, benzylammonium, and phosphonium salts [4,[75][76][77][78][79][80][81]. The chemical structures of N-benzylpyrazinium hexafluoroantimonate (BPH) and N-benzylquinoxalinium hexafluoroantimonate (BQH) are shown in Fig.…”
Section: Catalytic Curing Agentsmentioning
confidence: 99%
“…높은 접착 강도와 품질, 쉬운 가공성 그리고 공급의 안전성 등을 강 점으로 한 고분자 기반의 접착제는 전기⋅전자산업 분야에 많이 사용 되고 있으나 [1][2][3] 상대적으로 취약한 물성과 환경오염으로 인한 문제 때문에 논란이 되어 왔다. 이러한 문제점의 해결을 위해 무기입자를 충진하여 [4][5][6][7][8] 기계적 물성과 내열 특성을 향상시키는 방법과 친환경 재료를 사용한 고기능성 친환경 접착제에 대한 개발 연구가 현재 활 발히 진행되고 있다 [9][10][11][12]. 에폭시/무기입자 시스템에 있어 강화 성분인 무기입자의 분산은 최종적인 복합재료가 가지는 물성에 중요한 역할을 하며, 분산이 좋지 못할 경우 불안정한 계면으로 인하여 물성 저하가 유 발될 뿐만 아니라 무기입자의 응집현상으로 인하여 훨씬 과량의 강화재 가 필요하게 되어 점도 및 밀도 상승 등의 불리한 현상을 야기시킨다.…”
Section: 서 론 1)unclassified
“…Low-molecularweight molecules tend to be liquids and higher-molecularweight molecules tend to be more viscous liquids or solids. DGEBA has been used commercially as a raw material and is the primary chemical building block for a broad spectrum of materials [6,7].…”
Section: Bisphenol-a Epoxy Resinsmentioning
confidence: 99%