公开(公告)号：US20250122373A1

公开(公告)日：2025-04-17

申请号：US18427621

申请日：2024-01-30

Applicant: BAOTOU RESEARCH INSTITUTE OF RARE EARTHS

Inventor： Dequan Han ,  Hongzhang Cao ,  Xiaoli Yu ,  Luya Cao ,  Huhu Tian ,  Zhiqiang Li ,  Hui Wang ,  Tingting Lu ,  Xiaodong Zhou ,  Liying Guo ,  Baoxue Fan ,  Jing Song

IPC: C08L67/04 ,  C08G79/025 ,  C08J3/215 ,  C08K3/22

Abstract: The present disclosure provides a polylactic acid composition and a method of preparing the same. The polylactic acid composition comprises a polymeric material and a reaction product obtained by reacting a compound represented by formula (A) with a compound represented by formula (B), the polymeric material comprising polylactic acid, the compound represented by formula (A) being a trimeric phosphazene-based substance, and the compound represented by formula (B) being diamine. The polylactic acid composition is favorable in both flame retardancy and toughness.

公开(公告)号：US11616456B2

公开(公告)日：2023-03-28

申请号：US17159429

申请日：2021-01-27

Applicant: BAOTOU RESEARCH INSTITUTE OF RARE EARTHS ,  Ruike National Engineering Research Centre of Rare Earth Metallurgy and Functional Materials Co., Ltd.

Inventor： Hongbo Hao ,  Yu Qiao ,  Guangrui Zhang ,  Yuping Liang ,  Tingting Wang ,  Zhiqiang Li ,  Jin Li ,  Ruonan Tian

IPC: H02N2/04 ,  H02N2/00

Abstract: A micro-displacement amplifying apparatus comprises two sets of asymmetrical amplifying structures; each set of asymmetrical amplifying structure comprises a plurality of asymmetrical amplifying units connected in series by flexible hinges; the asymmetrical amplifying unit is used for amplifying a micro-displacement; the two sets of asymmetrical amplifying structures are in opposite positions and overlap with each other; the input end and output end are coupled to the asymmetrical amplifying unit by a flexible hinge, respectively; the input end is used for inputting the micro-displacement to the asymmetrical amplifying unit, and the output end is used for outputting the amplified displacement; the two contacting input ends are fixed and coupled to each other, and the two contacting output ends are fixed and coupled to each other. The present disclosure further discloses an amplification method of the micro-displacement amplifying apparatus.