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相关概念视频

Adhesion01:14

Adhesion

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Adhesion occurs when one type of molecule is attracted to a different molecule. Water exhibits adhesive properties in the presence of polar surfaces, such as glass or cellulose in plants. For instance, when water is poured into a glass, the positively charged hydrogen molecules of water are more attracted to the negatively charged oxygen molecules in the silica than to the oxygen in neighboring water molecules.
Capillary action is a result of water’s adhesive tendencies. When a narrow...
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Frictional Force01:07

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When a body is in motion, it encounters resistance because the body interacts with its surroundings. This resistance is known as friction, a common yet complex force whose behavior is still not completely understood. Friction opposes relative motion between systems in contact, but also allows us to move. Friction arises in part due to the roughness of surfaces in contact. For one object to move along a surface, it must rise to where the peaks of the surface can skip along the bottom of the...
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相关实验视频

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Rod-based Fabrication of Customizable Soft Robotic Pneumatic Gripper Devices for Delicate Tissue Manipulation
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机器人抓手的盖可灵感粘合剂具有出色的超低温粘合性能.

Jiabao Feng1, Hong Zhu2, Yadong Lv2

  • 1School of Aeronautics and Astronautics, Key Laboratory of Advanced Spatial Mechanism and Intelligent Spacecraft, Ministry of Education, National Key Laboratory of Advanced Polymer Materials, Sichuan University, Chengdu, 610065, P. R. China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|November 14, 2025
PubMed
概括

采用聚甲 - - 乙 - 氧化 (PMPVS) 制成的新灵感粘合剂在极低的温度下保持强大的粘合力,与传统的聚甲 - 氧化 (PDMS) 粘合剂不同. 这一突破使得机器人能够在寒冷的环境中进行微妙的机器人操作.

关键词:
粘附机制的粘附机制生物启发的粘附方式微观结构的微观结构超低温的超低温的温度.

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科学领域:

  • 材料科学 材料科学 材料科学
  • 机器人技术 机器人技术 机器人技术
  • 粘附科学 粘附科学 粘附科学

背景情况:

  • 基于聚甲基 (PDMS) 的传统灵感粘合剂在真空和微重力条件下对微妙的处理是有效的.
  • 然而,PDMS粘合剂由于结晶而在低温下失去显著的粘合强度.

研究的目的:

  • 开发一种新灵感的粘合剂,具有低温粘合能力.
  • 为了克服PDMS基粘合剂在冷环境中的局限性.

主要方法:

  • 通过结合和乙烯侧组,合成聚甲--乙烯) (PMPVS).
  • 在零度以下温度 (-70°C和-80°C) 中评估PMPVS粘合强度.
  • 测试PMPVS粘合剂的耐用性和循环性能.

主要成果:

  • PMPVS的结晶温度低,为-93.0°C.
  • 在70°C下达到25.9 kPa的粘附强度,在80°C下达到36.7 kPa的粘附强度.
  • 与PDMS (0.7kPa在-70°C) 相比,PMPVS显示出更高的性能.
  • 在100个循环后,PMPVS粘合剂在-80°C下保持了29.4kPa.
  • 带有 PMPVS 粘合剂的机器人抓手可以在各种物体上降低高达 90% 的抓地力.

结论:

  • 基于PMPVS的粘合剂在冷条件下提供强大的粘合力.
  • 这些新型粘合剂使机器人能够在广泛的温度范围内进行微妙而高效的抓取.
  • 开发的材料代表了极端环境中的机器人技术的重大进步.