PROCESS OF PRODUCING POLYMER DISPERSIONS
    1.
    发明公开

    公开(公告)号:US20230383043A1

    公开(公告)日:2023-11-30

    申请号:US18249585

    申请日:2021-11-22

    Applicant: BASF SE

    CPC classification number: C08F287/00 C08F293/005 C08F220/1804 C08F2438/02

    Abstract: Disclosed herein is a process of producing a polymeric dispersion by free radical emulsion polymerization of a monomer composition including ethylenically unsaturated monomers in the presence of a block copolymer. The block copolymer has a first block including at least 80 wt.-% units of alkyl acrylate and a second block including units of an ethylenically unsaturated monomer with sulfonic acid groups. Either the first or the second block is connected with a nitroxyl radical. The polymeric dispersion is obtainable by the disclosed process, and the block copolymer is used in the process. Further disclosed herein is a method of using the block copolymer as an emulsifying agent for free radical emulsion polymerization.

    UREA URETHANE COMPOUNDS
    2.
    发明公开

    公开(公告)号:US20230348731A1

    公开(公告)日:2023-11-02

    申请号:US18022529

    申请日:2021-08-19

    Applicant: BASF SE

    Abstract: The presently claimed invention relates to urea urethane compounds obtainable by reacting toluene diisocyanate with a mixture of monohydroxy alcohols followed by reaction with a diamine. The presently claimed invention provides a process for preparing the urea urethane compounds, liquid compositions comprising the urea urethane compounds and the use of the urea urethane compounds as a thickening and thixotropic agent for water based and solvent based paint and coating formulations, lacquer, varnish, paper coating, wood coating, adhesive, ink, cosmetic formulation, detergent formulation, textile and drilling muds plaster formulations, PVC plastisol and cement formulations.

    ALLOPHANATE BASED DISPERSING AGENT

    公开(公告)号:US20220275146A1

    公开(公告)日:2022-09-01

    申请号:US17626842

    申请日:2020-07-17

    Applicant: BASF SE

    Abstract: The presently claimed invention is directed to a copolymer obtained by reacting at least one isocyanate (A) comprising at least one allophanate group and at least one active double bond with at least one isocyanate reactive component (B) to form an intermediate product (C); and reacting the intermediate product (C) with at least one active double bond reactive component (D) to obtain the copolymer which can be used as dispersant. The at least one isocyanate reactive component (B) is selected from the group consisting of monofunctional polyether amine (B1), monofunctional polyether alcohol (B2), C6-C30 monofunctional alcohol (B3) and monofunctional polyester alcohol (B4).

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