公开(公告)号：US20240351954A1

公开(公告)日：2024-10-24

申请号：US18639498

申请日：2024-04-18

Applicant: Worcester Polytechnic Institute

Inventor： Nima Rahbar ,  Shuai Wang ,  Suzanne Scarlata

IPC: C04B35/52 ,  B28B11/24 ,  C04B35/626 ,  C04B35/64 ,  C12P3/00

CPC classification number: C04B35/52 ,  C04B35/6264 ,  C04B35/62655 ,  C04B35/64 ,  C12P3/00 ,  B28B11/24 ,  C04B2235/422 ,  C04B2235/442 ,  C04B2235/48 ,  C04B2235/5436 ,  C04B2235/6027 ,  C04B2235/606 ,  C04B2235/656

Abstract: A carbon-negative Engineering Structural Material (ESM) has a compressive strength approaching that of concrete and relies on a carbon-absorbing enzyme for crystalline formations formed cooperatively with a porous structure to achieve load-bearing properties. A tough scaffold forms through capillary suspension, a technique that utilizes capillary forces to concentrate particles in a liquid matrix. Carbonic anhydrase, a zinc-containing enzyme extracted from bovine erythrocytes, is harnessed to grow mineral materials, and the capillary suspension is used to create a construction material, including sand and a polymer. This combination enables the incorporation of precipitated calcium minerals into the structure, resulting in the development of water-resistant and load-bearing construction materials.