Yuanjie WANG, Xueliang PEI, Haoyi LI, Xin XU, Liu HE, Zhengren HUANG, Qing HUANG. Crosslinking of Active Polycarbosilane Initiated by Free Radical and Its Application in the Preparation of SiC Fibers [J]. Journal of Inorganic Materials, 2021, 36(9): 967
- Journal of Inorganic Materials
- Vol. 36, Issue 9, 967 (2021)
![Free radical cross-linking mechanism of A-PCS[28]](/richHtml/jim/2021/36/9/967/img_1.png)
1. Free radical cross-linking mechanism of A-PCS[28]
2. FT-IR spectra of A-PCS-0 (a), A-PCS-0.5 (b), A-PCS-1 (c), and A-PCS-2 (d) at different temperatures
3. Reaction degrees of the acrylate groups of the A-PCS-0, A-PCS-0.5, A-PCS-1, and A-PCS-2 at different temperatures
4. DSC (a) and TG (b) curves of A-PCS-0, A-PCS-0.5, A-PCS-1, and A-PCS-2
5. Morphologies of A-PCS-1 fiber after being heated to 250 ℃ or 1100 ℃ at different heating rates
6. TG curves of PCS, air cured-PCS and A-PCS-1
7. (a) Morphology of A-PCS-1 fiber after being heated to 1500 ℃; (b) XRD patterns of SiC fiber derived from A-PCS-1
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Table 1. Element composition of the A-PCS-1 and air cured-PCS after different thermal treatments
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