中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

10 records (took 0.017 seconds)

    PROCESS FOR PREPARING AN AQUEOUS POLYMER LATEX
    1.
    发明申请
    PROCESS FOR PREPARING AN AQUEOUS POLYMER LATEX 审中-公开

    公开(公告)号：US20190144585A1

    公开(公告)日：2019-05-16

    申请号：US16098010

    申请日：2017-05-03

    Applicant: BASF SE

    Inventor： Tanja ROST ,  Roelof BALK ,  Immanuel WILLERICH ,  Sebastian ENCK ,  Joost LESWIN ,  Wolfgang GASCHLER ,  Martin Robert SCHEUBLE

    IPC: C08F220/18 ,  C08F220/06 ,  C08F212/08 ,  C08F2/22 ,  C08K3/22 ,  C09D133/02 ,  C09D133/12

    Abstract: Disclosed herein is a process for preparing an aqueous polymer latex by polymerising a monomer composition M by a radical emulsion polymerisation, where at least 95% of the monomer composition M is metered during a period P to the polymerisation reaction under polymerisation conditions, such that during at least one period P(n) within the period P, the relative amount of monomers M2, which are metered to the polymerisation reaction during the periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction during said period P(n), is at least 1% by weight higher than the relative amount of monomers M2, which are metered to the polymerisation reaction outside of each of said periods P(n), to the total amount of the monomer composition M, which is metered to the polymerisation reaction outside of each of said periods P(n).

    FINELY DIVIDED AQUEOUS EMULSION POLYMERS AND USE THEREOF FOR HYDROPHOBIC COATINGS
    2.
    发明申请
    FINELY DIVIDED AQUEOUS EMULSION POLYMERS AND USE THEREOF FOR HYDROPHOBIC COATINGS 审中-公开

    公开(公告)号：US20170275407A1

    公开(公告)日：2017-09-28

    申请号：US15512303

    申请日：2015-09-18

    Applicant: BASF SE

    Inventor： Roelof BALK ,  Bastiaan LOHMEIJER

    IPC: C08F265/06 ,  C09D5/00 ,  C09D151/00

    CPC classification number: C08F265/06 ,  C08F2/26 ,  C09D5/00 ,  C09D151/003 ,  C08F220/28 ,  C08F2220/286 ,  C08F220/38 ,  C08F2220/382 ,  C08F230/02

    Abstract: The present invention relates to a polymer dispersion obtainable by at least one two-stage emulsion polymerization, by 1) preparing a polymer A by a radical polymerization from a 1st composition comprising A) at least one monomer, B) at least one anionic copolymerizable emulsifier, 2) admixing the polymer A prepared at 1) with a base, 3) in the presence of the polymer A treated at 2), preparing a polymer B by radical polymerization from a 2nd composition comprising A) at least one monomer, B) at least one anionic copolymerizable emulsifier. The present invention also relates to a process for preparing the polymer dispersion of the invention, to coating materials in the form of an aqueous composition comprising the polymer dispersion of the invention, and to the use of the polymer dispersion of the invention for coating compositions or paints and varnishes.

    PROCESS FOR PRODUCING AN AQUEOUS POLYMER DISPERSION
    4.
    发明申请
    PROCESS FOR PRODUCING AN AQUEOUS POLYMER DISPERSION 有权

    公开(公告)号：US20220325125A1

    公开(公告)日：2022-10-13

    申请号：US17265224

    申请日：2019-07-22

    Applicant: BASF SE

    Inventor： Bastiaan LOHMEIJER ,  Roelof BALK ,  Robert WRAZIDLO

    IPC: C09D133/12 ,  C08F2/22 ,  C09D5/02 ,  C09D125/14

    Abstract: The present invention relates to a process for producing an aqueous polymer dispersion of polymerized ethylenically unsaturated monomers M having a polymer content of at least 55 wt. % and a polymodal particle size distribution of the polymer particles of the polymer dispersion. The invention also relates to aqueous polymer dispersions obtained from this process as well as aqueous liquid compositions comprising at least one aqueous polymer dispersion and the use of such aqueous liquid compositions as binder.

    PROCESS FOR PRODUCING AN AQUEOUS POLYMER DISPERSION
    7.
    发明申请
    PROCESS FOR PRODUCING AN AQUEOUS POLYMER DISPERSION 有权

    公开(公告)号：US20210269573A1

    公开(公告)日：2021-09-02

    申请号：US17257969

    申请日：2019-07-04

    Applicant: BASF SE ,  Universidad del Paìs Vasco / Euskal Herriko Unibertsitatea

    Inventor： Massimo BANDIERA ,  Roelof BALK ,  Bastiaan LOHMEIJER ,  Maria Jesus BARANDIARAN

    IPC: C08F265/06 ,  C09D151/00 ,  C08J3/07

    Abstract: The present invention relates to a process for producing an aqueous polymer dispersion of polymerized ethylenically unsaturated monomers, where the process has a first polymerization step as an aqueous radical emulsion polymerization of a first monomer composition M.a and a subsequent further polymerization step as an aqueous radical emulsion polymerization of a second monomer composition M.b,
    where the monomers M comprise at least one monomer M0 which is selected from compounds of formula 1, wherein X is Cl, Br or OS(O)2R3, Y is H, Cl, Br, OS(O)2R4, C1-C10-alkyl, or C(═O)OR5, R1 is H or C1-C10-alkyl, R2 is H or C1-C10-alkyl, R3 is C1-C10-alkyl, R4 is C1-C10-alkyl, R5 is C1-C20-alkyl. The invention also relates to an aqueous polymer dispersion obtainable by such a process as well as the use of such dispersions.

    USE OF AQUEOUS POLYMER COMPOSITIONS AS STAINS FOR POROUS MATERIALS
    8.
    发明申请
    USE OF AQUEOUS POLYMER COMPOSITIONS AS STAINS FOR POROUS MATERIALS 有权

    公开(公告)号：US20250101248A1

    公开(公告)日：2025-03-27

    申请号：US18698054

    申请日：2022-09-26

    Applicant: BASF SE

    Inventor： Roelof BALK ,  Bastiaan LOHMEIJER ,  Oliver WAGNER ,  Konrad ROSCHMANN

    IPC: C09D15/00 ,  C08F8/28 ,  C08F220/18 ,  C09D5/02 ,  C09D133/06

    Abstract: The present invention relates to use of an aqueous polymer composition containing a water-soluble or water-dispersible polymer P made of polymerized ethylenically unsaturated monomers M comprising. 30 to 90 wt.-%, based on the total weight of monomers M, of at least one monomer M1 selected from C1-C12-alkyl esters of monoethylenically unsaturated carboxylic acids, C6-C10-cycloalkyl esters of monoethylenically unsaturated carboxylic acids and monovinylaromatic hydrocarbon monomers, 5 to 30 wt.-%, based on the total weight of monomers M, of at least one monomer M2 selected from monoethylenically unsaturated monomers containing at least one acid group, and 5 to 40 wt.-%, based on the total weight of monomers M, of at least one monomer M3 different from M2 which has a reactive functional group being capable of being crosslinked, wherein the total weight of monomers M1, M2 and M3 corresponds to at least 90% of the total weight of monomers M; wherein the monomers M are selected such that the theoretical glass transition temperature according to Fox (Tgt) of the polymer P is at most 80° C.; and wherein the polymer P is dissolved or dispersed in an aqueous phase such that the acid groups of the polymer P are totally or partially neutralized; as a staining composition for porous materials. The present invention also relates to an aqueous polymer composition containing said water-soluble or water-dispersible polymer P made of polymerized ethylenically unsaturated monomers M and a crosslinking agent.

    AQUEOUS POLYMER LATEX
    9.
    发明申请
    AQUEOUS POLYMER LATEX 有权

    公开(公告)号：US20220235229A1

    公开(公告)日：2022-07-28

    申请号：US17608649

    申请日：2020-05-07

    Applicant: BASF SE

    Inventor： Roelof BALK ,  Bastiaan LOHMEIJER ,  Robert WRAZIDLO

    IPC: C09D5/02 ,  C08F220/18 ,  C08K3/22 ,  C09D133/06 ,  C09D7/61

    Abstract: The present invention relates to aqueous polymer latexes of film-forming copolymers obtainable by aqueous emulsion polymerisation of monomers M, which comprise at least 80% by weight, based on the monomers M, of—at least one non-ionic monomer M1, which is selected from C1-C20-alkyl esters of acrylic acid, C5-C20-cycloalkyl esters of acrylic acid, C1-C20-alkyl esters of methacrylic acid, C5-C20-cycloalkyl esters of methacrylic acid and monovinyl aromatic monomers; —one or more monoethylenically unsaturated monomers M2, which are selected from monoethylenically unsaturated monocarboxylic acids having 3 to 6 carbon atoms and monoethylenically unsaturated dicarboxylic acids having 4 to 6 carbon atoms; and where the polymer latex contains an emulsifier combination comprising i. at least one first emulsifier (1), which is selected from salts, in particular from the alkali metal salts and the ammonium salts of sulfated ethoxylated C8-C20-alkanols having a degree of ethoxylation in the range from 5 to 20 and sulfated ethoxylated tristyrylphenols having a degree of ethoxylation in the range from 5 to 20, and ii. at least one second emulsifier (2), which is selected from the salts, in particular from the alkali metal salts and the ammonium salts of a sulfated ethoxylated C8-C20-alkanol having a degree of ethoxylation in the range from 21 to 50 and sulfated ethoxylated tristyrylphenols having a degree of ethoxylation in the range from 21 to 50. The present invention also relates to a process for producing such polymer latexes and to the use of these polymer latexes as binders in waterborne coating compositions which contain at least one inorganic tannin blocking compound and to the use of such coating compositions for coating tannin-containing substrates such as wood or woodbased materials.

    FINELY DIVIDED AQUEOUS MULTISTAGE POLYMER DISPERSION, METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF AS A BINDER
    10.
    发明申请
    FINELY DIVIDED AQUEOUS MULTISTAGE POLYMER DISPERSION, METHOD FOR THE PRODUCTION THEREOF, AND USE THEREOF AS A BINDER 审中-公开

    公开(公告)号：US20190100613A1

    公开(公告)日：2019-04-04

    申请号：US16085807

    申请日：2017-03-14

    Applicant: BASF SE

    Inventor： Roelof BALK ,  Bastiaan LOHMEIJER ,  Robert WRAZIDLO

    IPC: C08F265/06 ,  C09D7/65 ,  C09D5/02 ,  C09D151/00 ,  C08K5/07 ,  C08F2/38 ,  C08F2/22

    Abstract: The present invention provides very finely divided polymer dispersions obtainable by at least one two-stage emulsion polymerization, wherein 1) an acid-rich first polymer P1 is prepared by a radical polymerization from a 1st composition comprising A) at least one monomer selected from the group of (cyclo)alkyl (meth)acrylates, vinylaromatics having up to 20 carbon atoms, a radically polymerizable compound selected from the group of ethylenically unsaturated nitriles having up to 20 carbon atoms, vinyl esters of carboxylic acids containing up to 20 carbon atoms, vinyl halides having up to 10 carbon atoms, and vinyl ethers of alcohols containing 1 to 10 carbon atoms B) at least one α,β-ethylenically unsaturated carboxylic acid C) at least one crosslinking monomer with a keto or aldehyde group D) optionally at least one adhesion promoter E) optionally tert-butyl acrylate F) optionally further monomers M in the presence of a chain link transfer agent, 2) the polymer P1 prepared under 1) is admixed with a base, 3) a hydrophobic polymer P2 is prepared by radical polymerization, in the presence of the polymer P1 treated under 2), from a 2nd composition comprising A) at least one monomer selected from the group of (cyclo)alkyl (meth)acrylates, vinylaromatics having up to 20 carbon atoms, a radically polymerizable compound selected from the group of ethylenically unsaturated nitriles having up to 20 carbon atoms, vinyl esters of carboxylic acids containing up to 20 carbon atoms, vinyl halides having up to 10 carbon atoms, and vinyl ethers of alcohols containing 1 to 10 carbon atoms B) optionally at least one α,β-ethylenically unsaturated carboxylic acid C) at least one crosslinking monomer with a keto or aldehyde group D) optionally at least one adhesion promoter, and also E) optionally further monomers M, 4) and by optional addition, subsequent to the polymerization of P1 and P2, of a water-soluble at least trifunctional alkoxylated polyamine, more particularly an ethoxylated and/or propoxylated triamine.

Patent Agency Ranking