US 12,465,103 B2
Comfortable lightweight bullet-proof and stab-resistant suit and preparation method thereof
Xinling Fang, Beijing (CN); Yuankun Liu, Beijing (CN); Dongmei Xu, Beijing (CN); Qingsong Ai, Beijing (CN); Hongxin Li, Beijing (CN); Hong Chen, Beijing (CN); Zhaoyang Liu, Beijing (CN); Zhiyong Pan, Beijing (CN); Zhongwei Wu, Beijing (CN); Zongjia Li, Beijing (CN); Nianhua Li, Beijing (CN); Liandong Jiang, Beijing (CN); Ruiling Wang, Beijing (CN); Long Hu, Beijing (CN); Liqiang Fu, Beijing (CN); Bing Zhang, Beijing (CN); Junhong Dai, Beijing (CN); and Fangning Xue, Beijing (CN)
Assigned to BEIJING AEROSPACE KAIEN NEW & ADVANCED MATERIAL CO. LTD., Beijing (CN); BEIJING INSTITUTE OF AEROSPACE TESTING TECHNOLOGY CHINA, Beijing (CN); and BEIJING AEROSPACE RATE MECHANICAL & ELECTRICAL ENGINEERING CO. LTD., Beijing (CN)
Filed by Beijing Aerospace Kaien New & Advanced Material Co. Ltd., Beijing (CN); Beijing Institute of Aerospace Testing Technology, Beijing (CN); and Beijing Aerospace Rate Mechanical & Electrical Engineering Co. Ltd., Beijing (CN)
Filed on Apr. 25, 2023, as Appl. No. 18/139,225.
Application 18/139,225 is a continuation of application No. PCT/CN2022/131544, filed on Nov. 11, 2022.
Prior Publication US 2024/0156195 A1, May 16, 2024
Int. Cl. A41D 31/24 (2019.01); A41D 13/05 (2006.01)
CPC A41D 31/24 (2019.02) [A41D 13/05 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A comfortable lightweight bullet-proof and stab-resistant suit, wherein the bullet-proof and stab-resistant suit comprises a sheath and a protection core sheet disposed in the sheath, and the protection core sheet comprises a first protection layer, a second protection layer, a third protection layer and a buffer layer which are sequentially stacked together;
the first protection layer comprises 5-15 layers of first aramid unidirectional cloth made from aramid fiber and a first adhesive, and the first adhesive comprises waterborne polyurethane, 1,4-butanediol, methyltrimethoxysilane, methyltrichlorosilane, dicyandiamide and nano-montmorillonite;
the second protection layer comprises 10-25 layers of second aramid unidirectional cloth made from aramid fiber and a second adhesive, and the second adhesive comprises waterborne polyurethane, waterborne epoxy resin, methyl methacrylate, ethylene glycol, N-methyl diethanolamine and titanate coupling agent; and
the third protection layer comprises 5-12 layers of third aramid unidirectional cloth made from aramid fiber and a third adhesive, and the third adhesive comprises waterborne polyurethane, aminomethyl silicone oil, ammonium polyphosphate and titanate coupling agent.