ICCAS OpenIR
The effect of allylation degree on processing properties, thermal cure, and thermal properties of BMAN resins
Luo, Zhenhua; Wei, Liuhe; Liu, Feng; Zhao, Tong
2007-06-05
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume104Issue:5Pages:2822-2829
AbstractA series of allyl-functional novolac (AN) resins with various allylation degree, from 32.4 to 114.6%, were synthesized and blended reactively with 4,4'-bismaleimide biphenyl methane (BMI) at a weight ratio of 2.50 : 1 to get BMI-modified and allyl-functional novolac (BMAN) resins. Structural characteristics of the resins were determined by Fourier transform infrared spectroscopy (FTIR) and proton nuclear magnetic resonance ((HNMR)-H-1) techniques. Processing properties of BMAN resin system was evaluated by solubility, rheology, and thermal gelation, and the results show that processing properties of BMAN resins were excellent and could be tailored by changing allylation degree of AN resins. Differential scanning calorimetry (DSC) was used to evaluate cure reactivity of BMAN resin system, and the results reveal that the resins with higher allylation degree possessed better cure reactivity. Thermal properties were evaluated by means of dynamic mechanical analysis (DMA) and thermogravimetry analysis (TGA) techniques. The results reveal that with increase in allylation degree of resins the thermal stability of BMAN resins increased because of increase in crosslinking density, but char-yields of the above resins at 800 degrees C decreased in turn. Understanding of the relationship between allylation degree and properties of the resins would be useful to direct the design of material to meet different requirements of applications. (c) 2007 Wiley Periodicals, Inc.
KeywordThermosets Allylation Degree Processing Property Thermal Cure Thermal Property
DOI10.1002/app.25706
Indexed BySCI
Language英语
WOS IDWOS:000245724100010
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/62700
Collection中国科学院化学研究所
Corresponding AuthorZhao, Tong
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Luo, Zhenhua,Wei, Liuhe,Liu, Feng,et al. The effect of allylation degree on processing properties, thermal cure, and thermal properties of BMAN resins[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2007,104(5):2822-2829.
APA Luo, Zhenhua,Wei, Liuhe,Liu, Feng,&Zhao, Tong.(2007).The effect of allylation degree on processing properties, thermal cure, and thermal properties of BMAN resins.JOURNAL OF APPLIED POLYMER SCIENCE,104(5),2822-2829.
MLA Luo, Zhenhua,et al."The effect of allylation degree on processing properties, thermal cure, and thermal properties of BMAN resins".JOURNAL OF APPLIED POLYMER SCIENCE 104.5(2007):2822-2829.
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