Thermal Properties, Fracture Toughness and Water Absorption of Epoxy-Palm Oil Blends

被引：44
|
作者：
Tan, S. G. [1 ]
Chow, W. S. [1 ]
机构：
[1] Univ Sains Malaysia, Sch Mat & Mineral Resources Engn, Nibong Tebal 14300, Pulau Pinang, Malaysia
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2010年 / 49卷 / 09期
关键词：
Epoxidized palm oil; Epoxy; Fracture toughness; Thermal properties; Water absorption; CROSS-LINK DENSITY; LATENT INITIATOR; RESINS; COATINGS;
D O I：
10.1080/03602551003682042
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Epoxidized palm oil (EPO) was blended with cycloaliphatic epoxide, epoxy novolac and diglycidyl ethers of bisphenol-A. The fracture toughness and thermal properties of epoxy/EPO blends were characterized using single-edge notched bending tests and differential scanning calorimetry. Increased EPO loading improved the fracture toughness (KIC) of the epoxy blends. The epoxy blends with higher EPO loading exhibited higher degree of conversion. The glass transition temperature (Tg) of the epoxy blends shifted to higher temperature as the increasing of DSC heating rate. Water absorption caused Tg reduction of epoxy blends but it was determined that the water molecules absorbed were totally reversible.
引用
收藏
页码：900 / 907
页数：8
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