ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Properties of modified cyanate resin and its composites applied to space optical structure
Received date: 2015-10-22
Revised date: 2015-12-29
Online published: 2016-01-06
Supported by
National Basic Research Program of China (2014CB046501); Priority Academic Program Development of Jiangsu Higher Eduation Institutions
On the background of space optical structure application, the curing characteristic, humidity resistance, mechanical performance and processing of the low temperature curing cyanate resin are researched. The mechanical properties of cyanate resin/carbon fiber HS40 composites are also studied. The results showed that the cyanate resin has excellent curing properties by decreasing the initial curing temperature by 97.4℃ (initial curing temperature is 101.2℃). Tensile properties and flexural properties are also improved. Saturated water absorption rate of the cyanate ester is about 1.3% which is less than those of the bismaleimide resin (4%) and the epoxy resin (5.8%) significantly. The cyanate resin is also suitable to prepare prepreg by hot-melt methods because of its wonderful processing property. HS40/cyanate resin composites made by hot-melt method has excellent mechanical behavior. The tensile strength and modulus are 2 244.5 MPa and 248.0 GPa, respectively.
TIAN Wenping , XIAO Jun , LI Jinhuan , XU Ting , LIU Ting . Properties of modified cyanate resin and its composites applied to space optical structure[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2016 , 37(11) : 3520 -3527 . DOI: 10.7527/S1000-6893.2015.0362
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