期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 108, 期 4, 页码 2321-2327出版社
JOHN WILEY & SONS INC
DOI: 10.1002/app.27819
关键词
bismaleimide; 1,3-phenylene bisoxazoline; curing behavior; properties; copolymerization; FTIR; gelation; resins
The curing behavior and properties of bismaleimide (BMI), bisoxazoline (1,3-PBO), and oleic acid ternary copolymers are investigated. It is found that the cure temperature of BMI/1,3-PBO or BMI/1,3-PBO/oleic acid could be lowered, compared with that of BMI. The reason lies in the copolymerization reaction between BMI, 1,3-PBO, and oleic acid. SEM results confirm that 1,3-PBO and oleic acid could toughen BMI system because of the formation of ester-amide bonds and the long fat chain of oleic acid. The cured resins from BMI/1,3-PBO or BMI/1,3-PBO/oleic acid have superior heat resistance and water resistance, (C) 2008 Wiley Periodicals, Inc.
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