公开(公告)号：ES2772175T3

公开(公告)日：2020-07-07

申请号：ES15775396

申请日：2015-09-18

Applicant: BASF SE

Inventor： BALK ROELOF ,  LOHMEIJER BASTIAAN

IPC: C08F2/26 ,  C08F265/06 ,  C09D151/00

Abstract: Dispersión de polimerizado, obtenible mediante por lo menos una polimerización en emulsión de dos etapas, en la que 1) se prepara un polimerizado A mediante una polimerización por radicales de una 1ª composición, que comprende A) por lo menos un monómero, B) por lo menos un emulsificante aniónico copolimerizable, 2) al polimerizado A preparado bajo 1) se añade una base, en donde el promedio ponderado de peso molecular de los polímeros de la polimerización de la primera etapa está entre 5 y 25 kDa y los monómeros de la polimerización de la primera etapa son elegidos de modo que la temperatura de transición vítrea calculada para un polímero preparado a partir de los monómeros de la primera etapa, está en el intervalo de 70 °C a 125 °C, 3) se prepara un polimerizado B mediante polimerización por radicales de una 2ª composición en presencia del polimerizado A tratado bajo 2), que comprende A) por lo menos un monómero, B) por lo menos un emulsificante aniónico copolimerizable, en el que los monómeros de la polimerización de la segunda etapa son elegidos de modo que la temperatura de transición vítrea calculada para un polímero preparado a partir de los monómeros de la segunda etapa, está en el intervalo de 0 °C a -80 °C, en donde para la polimerización de la primera etapa se usa por lo menos un regulador de peso molecular.

公开(公告)号：AU2015316744B2

公开(公告)日：2019-02-21

申请号：AU2015316744

申请日：2015-09-18

Applicant: BASF SE

Inventor： BALK ROELOF ,  LOHMEIJER BASTIAAN

IPC: C08F2/26 ,  C08F265/06 ,  C09D151/00

Abstract: The present invention relates to a polymer dispersion which can be obtained by at least one two-stage emulsion polymerization, wherein 1) a polymer A is produced by free-radical polymerization of a first composition, comprising A) at least one monomer, and B) at least one anionic copolymerizable emulsifying agent, 2) the polymer A produced in 1) is mixed with a base, and 3) a polymer B is produced by radical polymerization of a second composition in the presence of the polymer A treated in 2), comprising A) at least one monomer, and B) at least one anionic copolymerizable emulsifying agent. The present invention also relates to a method for producing the polymer dispersion according to the invention, to coating agents in the form of an aqueous composition containing the polymer dispersion according to the invention, and to the use of the polymer dispersion according to the invention for coating materials or paints.

公开(公告)号：AU2017234180A1

公开(公告)日：2018-10-25

申请号：AU2017234180

申请日：2017-03-14

Applicant: BASF SE

Inventor： BALK ROELOF ,  LOHMEIJER BASTIAAN ,  WRAZIDLO ROBERT

IPC: C08F265/06 ,  C09D151/00

Abstract: The invention relates to a very finely divided polymerizate dispersion, which can be obtained by means of at least a two-stage emulsion polymerization, wherein 1) an acid-rich first polymerizate P1 is produced from a first composition by radical polymerization, the first composition comprising A) at least one monomer selected from the group of the (meth)acrylic acid (cyclo)alkyl esters, the vinyl aromatics having up to 20 C atoms, a radically polymerizable compound selected from the group of the ethylenically unsaturated nitriles having up to 20 C atoms, vinyl esters of carboxylic acids containing up to 20 C atoms, vinyl halogenides having up to 10 C atoms, and vinyl ethers of alcohols containing 1 to 10 C atoms, B) at least one α,β-ethylenically unsaturated carboxylic acid, C) at least one cross-linking monomer having a keto group or aldehyde group, D) optionally at least one adhesion promoter, E) optionally t-butyl acrylate, F) optionally further monomers M, in the presence of a chain length regulator, 2) the polymerizate P1 produced under 1) is mixed with a base, 3) a hydrophobic polymerizate P2 is produced from a second composition by radical polymerization in the presence of the polymerizate P1 treated under 2), the second composition comprising A) at least one monomer selected from the group of the (meth)acrylic acid (cyclo)alkyl esters, the vinyl aromatics having up to 20 C atoms, a radically polymerizable compound selected from the group of the ethylenically unsaturated nitriles having up to 20 C atoms, vinyl esters of carboxylic acids containing up to 20 C atoms, vinyl halogenides having up to 10 C atoms, and vinyl ethers of alcohols containing 1 to 10 C atoms, B) optionally at least one α,β-ethylenically unsaturated carboxylic acid, C) at least one cross-linking monomer having a keto group or aldehyde group, D) optionally at least one adhesion promoter, and E) optionally further monomers M, 4) and by optionally adding a water-soluble at least trifunctional alkoxylated polyamine, in particular an ethoxylated and/or propoxylated triamine, after the polymerization of P1 and P2.

公开(公告)号：CA3017548A1

公开(公告)日：2017-09-21

申请号：CA3017548

申请日：2017-03-14

Applicant: BASF SE

Inventor： BALK ROELOF ,  LOHMEIJER BASTIAAN ,  WRAZIDLO ROBERT

IPC: C08F265/06 ,  C09D151/00

Abstract: The invention relates to a very finely divided polymerizate dispersion, which can be obtained by means of at least a two-stage emulsion polymerization, wherein 1) an acid-rich first polymerizate P1 is produced from a first composition by radical polymerization, the first composition comprising A) at least one monomer selected from the group of the (meth)acrylic acid (cyclo)alkyl esters, the vinyl aromatics having up to 20 C atoms, a radically polymerizable compound selected from the group of the ethylenically unsaturated nitriles having up to 20 C atoms, vinyl esters of carboxylic acids containing up to 20 C atoms, vinyl halogenides having up to 10 C atoms, and vinyl ethers of alcohols containing 1 to 10 C atoms, B) at least one a,ß-ethylenically unsaturated carboxylic acid, C) at least one cross-linking monomer having a keto group or aldehyde group, D) optionally at least one adhesion promoter, E) optionally t-butyl acrylate, F) optionally further monomers M, in the presence of a chain length regulator, 2) the polymerizate P1 produced under 1) is mixed with a base, 3) a hydrophobic polymerizate P2 is produced from a second composition by radical polymerization in the presence of the polymerizate P1 treated under 2), the second composition comprising A) at least one monomer selected from the group of the (meth)acrylic acid (cyclo)alkyl esters, the vinyl aromatics having up to 20 C atoms, a radically polymerizable compound selected from the group of the ethylenically unsaturated nitriles having up to 20 C atoms, vinyl esters of carboxylic acids containing up to 20 C atoms, vinyl halogenides having up to 10 C atoms, and vinyl ethers of alcohols containing 1 to 10 C atoms, B) optionally at least one a,ß-ethylenically unsaturated carboxylic acid, C) at least one cross-linking monomer having a keto group or aldehyde group, D) optionally at least one adhesion promoter, and E) optionally further monomers M, 4) and by optionally adding a water-soluble at least trifunctional alkoxylated polyamine, in particular an ethoxylated and/or propoxylated triamine, after the polymerization of P1 and P2.

公开(公告)号：AU2015341855A1

公开(公告)日：2017-05-25

申请号：AU2015341855

申请日：2015-11-03

Applicant: BASF SE

Inventor： BALK ROELOF ,  LOHMEIJER BASTIAAN

IPC: C08F2/00 ,  C08F2/26 ,  C08F220/10

Abstract: The present invention relates to a method for producing an aqueous polymer dispersion by radical-initiated aqueous emulsion polymerization of ethylenically unsaturated monomers, and to polymer dispersions obtainable according to said method. The invention also relates to the use of the said polymer dispersions, in particular for the production of coating products for wood.

公开(公告)号：CA2966678A1

公开(公告)日：2016-05-12

申请号：CA2966678

申请日：2015-11-03

Applicant: BASF SE

Inventor： BALK ROELOF ,  LOHMEIJER BASTIAAN

IPC: C08F2/00 ,  C08F2/26 ,  C08F220/10

Abstract: The present invention relates to a method for producing an aqueous polymer dispersion by radical-initiated aqueous emulsion polymerization of ethylenically unsaturated monomers, and to polymer dispersions obtainable according to said method. The invention also relates to the use of the said polymer dispersions, in particular for the production of coating products for wood.

公开(公告)号：AU2012234476B2

公开(公告)日：2016-03-10

申请号：AU2012234476

申请日：2012-03-22

Applicant: BASF SE

Inventor： BALK ROELOF ,  TUCHBREITER ARNO ,  LOHMEIJER BAS

IPC: C08F265/02 ,  B27K3/00 ,  C08F2/22 ,  C08F8/44 ,  C08F265/06 ,  C08F265/10 ,  C09D151/00

Abstract: The present invention provides multistage aqueous polymer dispersions which are film-forming at low temperatures, exhibit good blocking resistance in a formulation, even at elevated temperatures, display low foam propensity, and possess good wet adhesion and shelf life, processes for their preparation, and the use thereof as binders for coating substrates.

公开(公告)号：ES2558605T3

公开(公告)日：2016-02-05

申请号：ES12794982

申请日：2012-12-05

Applicant: BASF SE

Inventor： ROLLER SEBASTIAN ,  DERSCH ROLF ,  DITTRICH UWE ,  BALK ROELOF ,  LOHMEIJIER BASTIAAN ,  TROMSDORF ULRICH

IPC: C08F2/22 ,  C08F265/00 ,  C08F291/12 ,  C08L33/04 ,  C08L35/00 ,  C09D133/00

Abstract: Uso de una dispersión polimérica acuosa que puede obtenerse polimerizando una composición 1 de compuestos (monómeros) que presentan al menos un grupo etilénicamente insaturado según el procedimiento de polimerización en emulsión acuosa por radicales hasta una conversión de al menos el 90 %, con respecto a la composición monomérica 1 que se va a polimerizar (etapa de polimerización 1) y a continuación, en presencia de la mezcla producto de la etapa de polimerización 1 polimerizando una composición 2 de compuestos (monómeros) que presentan al menos un grupo etilénicamente insaturado según el procedimiento de polimerización acuosa por radicales (etapa de polimerización 2) con la condición de que a) la composición 1 esté preparada de modo que en la única copolimerización estadística de la composición 1 se obtenga un polímero 1 cuya temperatura de transición vítrea sea Tg1 > 0 °C, b) la composición 2 esté preparada de modo que en la única copolimerización estadística de la composición 2 se obtenga un polímero 2 cuya temperatura de transición vítrea sea Tg1 > 80 °C, c) la diferencia entre Tg1 y Tg2 sea al menos de 50 °C, d) adicionalmente a los monómeros de las composiciones 1 y 2 se polimerice al menos un monómero de adhesión diferente de estos monómeros que contenga al menos un grupo etilénicamente insaturado y el elemento nitrógeno en una cantidad del 0,1 al 10 % en peso, con respecto a la cantidad total de los monómeros que se van a polimerizar, e) de la cantidad total de los monómeros de adhesión que se van a polimerizar según d) se polimericen del 20 al 100 % en moles en la etapa de polimerización 1 y f) la cantidad de la composición i, que se relaciona con el valor del límite inferior Tgi, con respecto a la cantidad total de las composiciones 1 y 2, sea del 60 al 90 % en peso, g) adicionalmente a los monómeros de las composiciones 1 y 2 se polimerice al menos un monómero diferente de estos monómeros, seleccionado del grupo de ácido itacónico, (met)acrilato de acetoacetoxietilo (AAEM), acrilnitrilo en una cantidad del 0,2 al 25 % en peso, con respecto a la cantidad total de los monómeros que se van a polimerizar, para composiciones de recubrimiento con una resistencia frente a productos químicos mejorada.

公开(公告)号：AU2013286181A1

公开(公告)日：2015-01-29

申请号：AU2013286181

申请日：2013-06-21

Applicant: BASF SE

Inventor： ROLLER SEBASTIAN ,  WIESE HARM ,  BALK ROELOF

IPC: C09D133/08 ,  C09D133/10 ,  C09D167/08

Abstract: The invention concerns aqueous hybrid binders containing an aqueous polymer dispersion (PD) and 0.01-5 wt. % of a photoinitiator and aqueous alkyd systems containing a water-soluble alkyd resin or an aqueous alkyd or polyurethane emulsion or dispersion, and 0.01-5 wt.% of a photoinitiator, the use thereof in coating agents, in particular paints.

公开(公告)号：AU2012234476A1

公开(公告)日：2013-10-10

申请号：AU2012234476

申请日：2012-03-22

Applicant: BASF SE

Inventor： BALK ROELOF ,  TUCHBREITER ARNO ,  LOHMEIJER BAS

IPC: C08F265/02 ,  B27K3/00 ,  C08F2/22 ,  C08F8/44 ,  C08F265/06 ,  C08F265/10 ,  C09D151/00

Abstract: The present invention provides multistage aqueous polymer dispersions which are film-forming at low temperatures, exhibit good blocking resistance in a formulation, even at elevated temperatures, display low foam propensity, and possess good wet adhesion and shelf life, processes for their preparation, and the use thereof as binders for coating substrates.