公开(公告)号：US20140251563A1

公开(公告)日：2014-09-11

申请号：US14355430

申请日：2012-11-07

Applicant: BASF SE

Inventor： Dirk Lawrenz ,  Hubertus Kroener

IPC: D21H19/58 ,  D21H19/60 ,  D21H19/62

CPC classification number: D21H19/62 ,  C08F2/22 ,  D21H17/34 ,  D21H17/35 ,  D21H17/36 ,  D21H17/37 ,  D21H17/43 ,  D21H17/63 ,  D21H17/69 ,  D21H17/74 ,  D21H19/44 ,  D21H19/56 ,  D21H19/58 ,  D21H19/60

Abstract: The use in paper coatings is described of a mixture of an aqueous secondary dispersion of a polymer selected from polyalkylene carbonates, polyesters and polyethylene and an aqueous primary dispersion of an emulsion polymer having a glass transition temperature of below 50° C.

Abstract translation: 描述了在纸涂层中的用途是选自聚碳酸亚烷基酯，聚酯和聚乙烯的聚合物的水性二次分散体和玻璃化转变温度低于50℃的乳液聚合物的水性初级分散体的混合物。

公开(公告)号：US20140302309A1

公开(公告)日：2014-10-09

申请号：US14351463

申请日：2012-10-26

Applicant: BASF SE

Inventor： Dirk Lawrenz ,  Juergen Schmidt-Thuemmes ,  Nico Veling

IPC: D21H19/56 ,  D21H19/58

CPC classification number: D21H19/56 ,  C08L2201/54 ,  C09D123/0853 ,  C09D125/10 ,  C09D125/12 ,  D21H19/58 ,  D21H21/52 ,  Y10T428/254

Abstract: Paper coating compositions comprise inorganic pigments and an aqueous polymeric dispersion comprising dispersed polymeric particles. The polymers are obtainable by polymerization of a first monomer that is liquid at room temperature, has a boiling point of at least 50° C. and a glass transition temperature of at least 20° C. as homopolymer, and a second monomer that is gaseous at room temperature, has a boiling point of below 0° C. and a glass transition temperature of below −30° C. as homopolymer. The dispersed polymeric particles have an average size of below 150 nm and a glass transition temperature in the range from −10 to +30° C.

Abstract translation: 纸涂层组合物包含无机颜料和包含分散的聚合物颗粒的水性聚合物分散体。 聚合物可通过在室温下液体化，沸点至少为50℃，玻璃化转变温度为至少20℃的第一单体作为均聚物聚合而获得，第二单体为气态 在室温下，沸点低于0℃，玻璃化转变温度低于-30℃作为均聚物。 分散的聚合物颗粒的平均尺寸低于150nm，玻璃化转变温度在-10至+ 30℃的范围内。

公开(公告)号：US12168704B2

公开(公告)日：2024-12-17

申请号：US17299657

申请日：2019-11-21

Applicant: BASF SE

Inventor： Dirk Lawrenz ,  Nico Veling ,  Carmen-Elena Cimpeanu

IPC: C08F2/22 ,  C08F212/08 ,  C08F236/06 ,  C08K3/013 ,  C08K5/14 ,  C09D109/06

Abstract: The present invention relates to a process for producing an aqueous polymer dispersion by free-radically initiated aqueous emulsion polymerization, and also to the aqueous polymer dispersions produced by the process and to the use of these as a binder, adhesive, sizing agent for fibers, for the production of coatings or for the production of a paper coating slip.

公开(公告)号：US10414938B2

公开(公告)日：2019-09-17

申请号：US15303415

申请日：2015-04-07

Applicant: BASF SE

Inventor： Nico Veling ,  Lucia Jimenez Garcia ,  Dirk Lawrenz

IPC: C09D131/04 ,  B05D3/02 ,  B05D3/12 ,  C09D7/61 ,  C09D5/00 ,  D21H17/36 ,  D21H17/37 ,  D21H19/56 ,  D21H19/58 ,  D21H19/60 ,  D21H19/64 ,  D21H21/18 ,  C08F218/08 ,  C08L31/04 ,  C08F220/02 ,  C08F220/06 ,  C08F220/18 ,  C08F220/32 ,  C08F228/02 ,  C08K3/26

Abstract: The invention relates to a process for preparing an aqueous dispersion of a polymer P, which comprises the emulsion polymerization of vinyl acetate, an acrylate monomer, which is a C1-C10 alkyl acrylate or a C1-C10 methacrylate, an α,β-ethylenically unsaturated C3-C8 carboxylic acid, glycidyl methacrylate or glycidyl acrylate, optionally an ethylenically unsaturated sulfonic acid and optionally an ethylenically unsaturated other monomer. Furthermore, the aqueous polymer dispersion obtainable from this process and a powder form thereof are disclosed. They are useful for a paper coating slip containing one of the aforementioned forms. A paper or a cardboard, which is coated with the paper coating slip, shows surface strength, which is expressed by a good dry pick resistance, a good wet pick resistance or good offset test results. The aqueous polymer dispersion or the powder form thereof is furthermore useful as a binder.

公开(公告)号：US20140342171A1

公开(公告)日：2014-11-20

申请号：US14375937

申请日：2013-02-11

Applicant: BASF SE

Inventor： Rabie Al-Hellani ,  Carmen-Elena Cimpeanu ,  Juergen Schmidt-Thuemmes ,  Dirk Lawrenz ,  Kristina Georgieva ,  Anja Song

IPC: C08L25/14 ,  D21H19/56 ,  C09D7/12 ,  C08L33/08 ,  C09D4/06

CPC classification number: C08L25/14 ,  C08F2/22 ,  C08F2/44 ,  C08L33/08 ,  C09D4/06 ,  C09D7/65 ,  D21H19/56 ,  Y10T428/31906

Abstract: Described is an aqueous polymer dispersion comprising a chain growth addition polymer obtainable via free-radically initiated emulsion polymerization from ethylenically unsaturated, free-radically polymerizable monomers, wherein the chain growth addition polymer is formed to an extent of not less than 60 wt % from primary monomers selected from vinylaromatic compounds, conjugated aliphatic dienes, vinyl esters of saturated C1- to C20-carboxylic acids, esters of acrylic acid or of methacrylic acid with monohydric C1- to C20-alcohols, aliphatic hydrocarbons having 2 to 8 carbon atoms and one or two double bonds, or mixtures thereof, wherein the monomers are polymerized in the presence of lignosulfonate and wherein the chain growth addition polymer is branched or crosslinked. Also described is a process for preparing the aqueous polymer dispersion. The polymer dispersion is useful for preparing paper coating compositions.

Abstract translation: 描述了一种含水聚合物分散体，其包含通过烯键式不饱和的可自由基聚合的单体经由自由基引发的乳液聚合而获得的链增长加成聚合物，其中链生长加成聚合物形成至少不少于60重量％ 选自乙烯基芳族化合物，共轭脂族二烯，饱和C 1〜C 20羧酸的乙烯基酯，丙烯酸或甲基丙烯酸与一元C 1〜C 20醇的酯，碳原子数2〜8的脂肪族烃和1〜 两个双键或其混合物，其中所述单体在木素磺酸盐存在下聚合，并且其中链生长加成聚合物是支链或交联的。 还描述了制备聚合物水分散体的方法。 聚合物分散体可用于制备纸涂料组合物。

公开(公告)号：US10793740B2

公开(公告)日：2020-10-06

申请号：US16185516

申请日：2018-11-09

Applicant: BASF SE

Inventor： Nico Veling ,  Lucia Jimenez Garcia ,  Dirk Lawrenz

IPC: C09D131/04 ,  C08F228/02 ,  C08L3/04 ,  C08F218/08 ,  C08L31/04 ,  C09D5/00 ,  D21H19/54 ,  D21H19/56 ,  D21H21/18

Abstract: The invention relates to an aqueous dispersion of a polymer P, which comprises the emulsion polymerization of vinyl acetate, an acrylate monomer, which is a C1-C10 alkyl acrylate or a C1-C10 methacrylate, an α,β-ethylenically unsaturated C3-C8 carboxylic acid and at least one out of glycidyl methacrylate, glycidyl acrylate, allyl methacrylate and allyl acrylate, in the presence of a starch derivative. Optionally, an additional monomer is an ethylenically unsaturated sulfonic acid, an ethylenically unsaturated other monomer or both of them. The aqueous polymer dispersion and a powder form thereof are useful for a paper coating slip containing one of the aforementioned forms. A paper or a cardboard, which is coated with the paper coating slip, shows surface strength, which is expressed by a good dry pick resistance, a good wet pick resistance or good offset test results. The aqueous polymer dispersion or the powder form thereof is furthermore useful as a binder.

公开(公告)号：US12098222B2

公开(公告)日：2024-09-24

申请号：US17299680

申请日：2019-11-21

Applicant: BASF SE

Inventor： Nico Veling ,  Carmen-Elena Cimpeanu ,  Dirk Lawrenz

IPC: C08F2/22 ,  C08F2/38 ,  C08F212/08 ,  C08F220/06 ,  C08F222/02 ,  C08F236/06 ,  C08F236/08 ,  C08K5/14 ,  D21H19/58

CPC classification number: C08F2/22 ,  C08F2/38 ,  C08F212/08 ,  C08F220/06 ,  C08F222/02 ,  C08F236/06 ,  C08F236/08 ,  C08K5/14 ,  D21H19/58 ,  C08F2800/20

Abstract: The present invention relates to a process for producing an aqueous polymer dispersion by free-radically initiated aqueous emulsion polymerization, by polymerizing, in an aqueous medium,



(a) 40 to 75 parts by weight of at least one vinylaromatic compound and
(b) 24.9 to 59.9 parts by weight of at least one conjugated aliphatic diene
(c) 0.1 to 10 parts by weight of at least one monomer comprising acid groups and
(d) 0 to 20 parts by weight of at least one other monoethylenically unsaturated monomer,
the amounts of the monomers (a) to (d) adding up to 100 parts by weight,
in a monomer feed process in the presence of at least one inorganic peroxide and at least one organic peroxide, with the proviso that
the continuous metering of the inorganic peroxide starts at the same time as the continuous metering of the vinylaromatic compound,
the metering of the organic peroxide is started at a time at which at least 5% and not more than 20% of the vinylaromatic compound has already been metered in in a continuous mass flow under polymerization conditions and
optionally a portion of the inorganic peroxide is initially charged,
and also to the aqueous polymer dispersions produced by the process and to the use of these as a binder, adhesive, sizing agent for fibers, for the production of coatings or for the production of a paper coating slip.

公开(公告)号：US10167407B2

公开(公告)日：2019-01-01

申请号：US15303337

申请日：2015-04-07

Applicant: BASF SE

Inventor： Nico Veling ,  Lucia Jimenez Garcia ,  Dirk Lawrenz

IPC: C09D131/04 ,  C08F228/02 ,  C08L3/04 ,  C08F218/08 ,  C08L31/04 ,  C09D5/00 ,  D21H19/54 ,  D21H19/56 ,  D21H21/18

Abstract: The invention relates to a process for preparing an aqueous dispersion of a polymer P, which comprises the emulsion polymerization of vinyl acetate, an acrylate monomer, which is a C1-C10 alkyl acrylate or a C1-C10 methacrylate, an α,β-ethlyenically unsaturated C3-C8 carboxylic acid and at least one out of glycidyl methacrylate, glycidyl acrylate, allyl methacrylate and allyl acrylate, in the presence of a starch derivative. Optionally, an additional monomer is an ethylenically unsaturated sulfonic acid, an ethylenically unsaturated other monomer or both of them. Furthermore, the aqueous polymer dispersion obtainable from this process and a powder form thereof are disclosed. They are useful for a paper coating slip containing one of the aforementioned forms. A paper or a cardboard, which is coated with the paper coating slip, shows surface strength, which is expressed by a good dry pick resistance, a good wet pick resistance or good offset test results. The aqueous polymer dispersion or the powder form thereof is furthermore useful as a binder.

公开(公告)号：US09334398B2

公开(公告)日：2016-05-10

申请号：US14375937

申请日：2013-02-11

Applicant: BASF SE

Inventor： Rabie Al-Hellani ,  Carmen-Elena Cimpeanu ,  Juergen Schmidt-Thuemmes ,  Dirk Lawrenz ,  Kristina Georgieva ,  Anja Song

IPC: C08L25/14 ,  C08F2/22 ,  C08F2/44 ,  C08L33/08 ,  C09D4/06 ,  C09D7/12 ,  D21H19/56

CPC classification number: C08L25/14 ,  C08F2/22 ,  C08F2/44 ,  C08L33/08 ,  C09D4/06 ,  C09D7/65 ,  D21H19/56 ,  Y10T428/31906

Abstract: Described is an aqueous polymer dispersion comprising a chain growth addition polymer obtainable via free-radically initiated emulsion polymerization from ethylenically unsaturated, free-radically polymerizable monomers, wherein the chain growth addition polymer is formed to an extent of not less than 60 wt % from primary monomers selected from vinylaromatic compounds, conjugated aliphatic dienes, vinyl esters of saturated C1- to C20-carboxylic acids, esters of acrylic acid or of methacrylic acid with monohydric C1- to C20-alcohols, aliphatic hydrocarbons having 2 to 8 carbon atoms and one or two double bonds, or mixtures thereof, wherein the monomers are polymerized in the presence of lignosulfonate and wherein the chain growth addition polymer is branched or crosslinked. Also described is a process for preparing the aqueous polymer dispersion. The polymer dispersion is useful for preparing paper coating compositions.

Abstract translation: 描述了一种含水聚合物分散体，其包含通过烯键式不饱和的可自由基聚合的单体经由自由基引发的乳液聚合而获得的链增长加成聚合物，其中链生长加成聚合物形成至少不少于60重量％ 选自乙烯基芳族化合物，共轭脂族二烯，饱和C 1〜C 20羧酸的乙烯基酯，丙烯酸或甲基丙烯酸与一元C 1〜C 20醇的酯，碳原子数2〜8的脂肪族烃和1〜 两个双键或其混合物，其中所述单体在木素磺酸盐存在下聚合，并且其中链生长加成聚合物是支链或交联的。 还描述了制备聚合物水分散体的方法。 聚合物分散体可用于制备纸涂料组合物。