FORMULATION CONTAINING A CROSSLINKABLE POLYMER

    公开(公告)号:US20220165954A1

    公开(公告)日:2022-05-26

    申请号:US17603720

    申请日:2020-04-14

    申请人: Merck Patent GmbH

    摘要: The present invention relates to a formulation comprising at least one crosslinkable polymer and at least one organic solvent, wherein the at least one crosslinkable polymer is contained in the formulation in a concentration of at least 0.5 g/L, wherein the at least one organic solvent has a boiling point of at least 200° C., characterized in that the solubility of the at least one crosslinkable polymer in the at least one organic solvent is such that the crosslinkable polymer at a concentration of 30 g/L starts to precipitate if 60 vol.-% or less of ethanol is added to the formulation, to the use of these formulations for the preparation of electronic or optoelectronic devices, to a process for the preparation of electronic or optoelectronic devices using these formulations as well as to electronic or optoelectronic devices.

    FORMULATION OF AN ORGANIC FUNCTIONAL MATERIAL

    公开(公告)号:US20210277266A1

    公开(公告)日:2021-09-09

    申请号:US17252376

    申请日:2019-06-12

    申请人: Merck Patent GmbH

    IPC分类号: C09D11/36 C09D11/52

    摘要: The present invention relates to a formulation containing at least one organic functional material and at least three different organic solvents, selected from at least two different organic solvents A and at least one organic solvent B, wherein at least one organic solvent A has a boiling point in the range from 250 to 350° C. and a viscosity of ≥15 mPas, the at least one organic solvent B has a boiling point in the range from 200 to 350° C. and a viscosity of ≤10 mPas, and the solubility of the at least one organic functional material in the second organic solvent B is ≥5 g/l; as well as to electroluminescent devices prepared by using these formulations.