US 12,227,462 B2
Carbon fiber preform, preparation method therefor and preparation method for carbon/carbon composites
Aijun Li, Zhejiang (CN); Lixin Ning, Zhejiang (CN); Zhiwei Kang, Zhejiang (CN); Zhiwei Li, Zhejiang (CN); Liquan Chen, Zhejiang (CN); Liqi Liu, Zhejiang (CN); Lintao Jia, Zhejiang (CN); and Mengqian Wang, Zhejiang (CN)
Assigned to SHAOXING RESEARCH INSTITUTE OF SHANGHAI UNIVERSITY, Shaoxing (CN)
Appl. No. 18/704,893
Filed by SHAOXING RESEARCH INSTITUTE OF SHANGHAI UNIVERSITY, Zhejiang (CN)
PCT Filed Aug. 24, 2022, PCT No. PCT/CN2022/114492
§ 371(c)(1), (2) Date Sep. 4, 2024,
PCT Pub. No. WO2023/025190, PCT Pub. Date Mar. 2, 2023.
Claims priority of application No. 202110978789.8 (CN), filed on Aug. 25, 2021.
Prior Publication US 2024/0417334 A1, Dec. 19, 2024
Int. Cl. C04B 35/83 (2006.01); B32B 5/02 (2006.01); B32B 5/26 (2006.01); B32B 37/18 (2006.01); B32B 37/24 (2006.01); C04B 35/628 (2006.01); C04B 35/64 (2006.01)
CPC C04B 35/83 (2013.01) [B32B 5/02 (2013.01); B32B 5/26 (2013.01); B32B 37/18 (2013.01); B32B 37/24 (2013.01); C04B 35/62844 (2013.01); C04B 35/62886 (2013.01); C04B 35/64 (2013.01); B32B 2037/243 (2013.01); B32B 2255/02 (2013.01); B32B 2255/26 (2013.01); B32B 2262/106 (2013.01); B32B 2305/18 (2013.01); B32B 2307/7376 (2023.05); C04B 2235/422 (2013.01); C04B 2235/486 (2013.01); C04B 2235/5248 (2013.01); C04B 2235/5256 (2013.01); C04B 2235/6567 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A carbon fiber preform, comprising a plurality of stacked carbon fiber cloths and prestressed layers arranged between every two of adjacent carbon fiber cloths, the prestressed layer comprising a boron-containing phenolic resin coating and carbon fiber bundles distributed within the boron-containing phenolic resin coating,
the carbon fiber bundle having a bending curvature of 1.0-3.0 rad.