公开(公告)号：US20220251282A1

公开(公告)日：2022-08-11

申请号：US17732952

申请日：2022-04-29

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Chao He ,  Yi Zhang ,  Zhaohui Qu ,  Chao Zhang ,  Xiangyang Tai

IPC: C08G18/12 ,  C08G18/08 ,  C08G18/48 ,  C08G18/76 ,  C08J5/24 ,  D06N3/00 ,  D06N3/14

Abstract: The present disclosure provides a polyurethane dispersion comprising a polyurethane prepolymer and an ionic surfactant. It further provides a microfiber nonwoven synthetic leather comprising a microfiber nonwoven fabric and the polyurethane dispersion. It further provides a method of preparing the microfiber nonwoven synthetic leather comprising a step of impregnating microfiber nonwoven fabrics into the polyurethane dispersion.