公开(公告)号：CA3118068A1

公开(公告)日：2020-06-04

申请号：CA3118068

申请日：2019-11-29

Applicant: STAHL INT B V

Inventor： JANSSEN RICK ANDREAS LOUIS

IPC: C08G18/48 ,  C08G18/08 ,  C08G18/34 ,  C08G18/40 ,  C08G18/42 ,  C08G18/44 ,  C08G18/66 ,  C08G18/72 ,  C08G18/73 ,  C08G18/75 ,  C09D175/04

Abstract: A process for the preparation of a polyurethane dispersion with at least one extension agent B that has x hydroxyl groups and y amine groups, where x + y = 2 with x and y equal or larger than 0, and that has an additional functional group that is capable of forming a salt, such that the dispersion of the polyurethane has a solids content of at least 50 weight percent and does not contain acetone or other solvents or amines that have a boiling point of below 250°C.