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公开(公告)号：WO2013113823A3
公开(公告)日：2013-10-03
申请号：PCT/EP2013051921
申请日：2013-01-31
Applicant: BASF SE
Inventor： GRAY CHRISTOPHER ALAN , MOORMANN-SCHMITZ ANTONIUS , MEIXNER HUBERT , SANCHEZ CERRO LUIS MIGUEL , JEHN-RENDU CHRISTIAN , MUEHLENBERND THOMAS
IPC: D21H21/10
CPC classification number: D21H27/30 , D21H17/36 , D21H17/375 , D21H17/56 , D21H17/74 , D21H21/10 , D21H23/26
Abstract: The present invention relates to a process of making paper or paperboard in which a cellulosic thin stock is provided and subjected to one or more shear stages and then drained and a moving screen to form a sheet which is dried, wherein the process employs a retention system which is applied to the thin stock, said retention system comprising as components i) a blend of different cationic polymers and ii) a microparticulate material, in which the blend of cationic polymers comprises, a) a cationic polymer having a charge density of at least 3 mEq per gram and a molar mass of greater than 700,000 Da, b) a cationic polymer having a charge density of below 3 mEq per gram and an intrinsic viscosity of at least 3 dl/g, wherein one of the components of the retention system is dosed into the thin stock after the final shearing stage and the other is dosed into the thin stock before the final shearing stage.
Abstract translation: 制造纸或纸板的方法本发明涉及一种制造纸或纸板的方法，其中提供纤维素薄料并经受一个或多个剪切阶段，然后排干，并移动筛网以形成干燥的片材，其中该方法采用保留系统 所述保留系统包括作为组分的i）不同阳离子聚合物的共混物和ii）微粒材料，其中阳离子聚合物的共混物包含a）具有至少电荷密度的阳离子聚合物 3mEq /克，摩尔质量大于700,000Da，b）电荷密度低于3mEq /克，特性粘度至少为3dl / g的阳离子聚合物，其中保留体系中的一种成分 在最终的剪切阶段之后，被稀释到稀薄的坯料中，另一个在最终的剪切阶段之前被加入稀薄的原料中。
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公开(公告)号：CA2897185C
公开(公告)日：2018-10-09
申请号：CA2897185
申请日：2014-01-09
Applicant: BASF SE
Inventor： GRAY CHRISTOPHER ALAN , MOORMANN-SCHMITZ ANTONIUS , MEIXNER HUBERT , SANCHEZ CERRO LUIS MIGUEL , MUHLENBERND THOMAS , JEHN-RENDU CHRISTIAN
Abstract: Process for the Manufacture of Paper and Paperboard The present invention relates to a process of making paper or paperboard in which a cellulosic thin stock is provided and subjected to one or more shear stages and then drained and a moving screen to form a sheet which is dried, wherein the process employs a retention system which is applied to the thin stock, said retention system comprising as components i) a blend of different cationic polymers and ii) a microparticulate material, in which the blend of cationic polymers comprises, a) a cationic polymer having a charge density of from 0.5 and below 3 mEq per gram and a molar mass of greater than 700,000 Da, which cationic polymer is selected from polymers containing vinyl amine units and polyethylenimine, b) a cationic polymer having a charge density of below 3 mEq per gram and an intrinsic viscosity of at least 3 dl/g, wherein one of the components of the retention system is dosed into the thin stock after the final shearing stage and the other is dosed into the thin stock before the final shearing stage.
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公开(公告)号：CA2897185A1
公开(公告)日：2014-07-17
申请号：CA2897185
申请日：2014-01-09
Applicant: BASF SE
Inventor： GRAY CHRISTOPHER ALAN , MOORMANN-SCHMITZ ANTONIUS , MEIXNER HUBERT , SANCHEZ CERRO LUIS MIGUEL , MUHLENBERND THOMAS , JEHN-RENDU CHRISTIAN
Abstract: Process for the Manufacture of Paper and Paperboard The present invention relates to a process of making paper or paperboard in which a cellulosic thin stock is provided and subjected to one or more shear stages and then drained and a moving screen to form a sheet which is dried, wherein the process employs a retention system which is applied to the thin stock, said retention system comprising as components i) a blend of different cationic polymers and ii) a microparticulate material, in which the blend of cationic polymers comprises, a) a cationic polymer having a charge density of from 0.5 and below 3 mEq per gram and a molar mass of greater than 700,000 Da, which cationic polymer is selected from polymers containing vinyl amine units and polyethylenimine, b) a cationic polymer having a charge density of below 3 mEq per gram and an intrinsic viscosity of at least 3 dl/g, wherein one of the components of the retention system is dosed into the thin stock after the final shearing stage and the other is dosed into the thin stock before the final shearing stage.
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公开(公告)号：ZA201407044B
公开(公告)日：2015-12-23
申请号：ZA201407044
申请日：2014-09-29
Applicant: BASF SE
Inventor： GRAY CHRISTOPHER ALAN
Abstract: The present invention concerns a process of making paper, board or paperboard in which a cellulosic thin stock is provided and subjected to one or more shear stages and then drained on a moving screen to form a sheet which is dried, wherein the process employs a treatment system which is applied to the thin stock, said treatment system comprising as components, a) a cationic organic polymer of charge density of at least 3.0 meq/g with a molar mass Mw of up to 3 million Daltons or poly aluminum chloride (PAC), b) a cationic polymer having an average molar mass Mw of at least 500,000 Daltons and a charge density not exceeding 4.0 meq/g; c) a microparticulate material; in which components (b) and (c) are added to the cellulosic thin stock after the last shear stage before the head box and component (a) is added to the cellulosic thin stock before the said last shear stage.
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公开(公告)号：PL2809845T3
公开(公告)日：2019-07-31
申请号：PL13701667
申请日：2013-01-31
Applicant: BASF SE
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Patent Agency Ranking
公开(公告)号：BR112014020640A8
公开(公告)日：2019-01-29
申请号：BR112014020640
申请日：2013-02-25
Applicant: BASF SE
Inventor： GRAY CHRISTOPHER ALAN
Abstract: processo de fabricação de papel, papelão ou papel cartão a presente invenção refere-se a um processo de fabricação de papel, papelão ou papel-cartão, em que, uma carga fina celulósica é fornecida e submetida a um ou mais estágios de cisalhamento e, então, drenada em uma peneira móvel para formar uma folha que é secada, em que o processo emprega um sistema de tratamento que é aplicado à carga fina, o referido sistema de tratamento compreendendo, como componentes, a) um polímero orgânico catiônico de densidade de carga de, pelo menos, 3,0 meq/g, com uma massa molar mw de cerca de 3 milhões de daltons ou cloreto de polialumínio (pac), b) um polímero catiônico tendo uma massa molar média mw de, pelo menos, 500.000 dalton e uma densidade de carga não excedendo 4,0 meq/g; c) um material microparticulado; em que os componentes (b) e (c) são adicionados à carga fina celulósica após o último estágio de cisalhamento antes da caixa de entrada e componente (a) é adicionado à carga fina celulósica antes do último referido estágio de cisalhamento.
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公开(公告)号：BR112014020640A2
公开(公告)日：2017-06-20
申请号：BR112014020640
申请日：2013-02-25
Applicant: BASF SE
Inventor： GRAY CHRISTOPHER ALAN
Abstract: processo de fabricação de papel, papelão ou papel cartão a presente invenção refere-se a um processo de fabricação de papel, papelão ou papel-cartão, em que, uma carga fina celulósica é fornecida e submetida a um ou mais estágios de cisalhamento e, então, drenada em uma peneira móvel para formar uma folha que é secada, em que o processo emprega um sistema de tratamento que é aplicado à carga fina, o referido sistema de tratamento compreendendo, como componentes, a) um polímero orgânico catiônico de densidade de carga de, pelo menos, 3,0 meq/g, com uma massa molar mw de cerca de 3 milhões de daltons ou cloreto de polialumínio (pac), b) um polímero catiônico tendo uma massa molar média mw de, pelo menos, 500.000 dalton e uma densidade de carga não excedendo 4,0 meq/g; c) um material microparticulado; em que os componentes (b) e (c) são adicionados à carga fina celulósica após o último estágio de cisalhamento antes da caixa de entrada e componente (a) é adicionado à carga fina celulósica antes do último referido estágio de cisalhamento.
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公开(公告)号：EP2943615A4
公开(公告)日：2016-08-03
申请号：EP14738178
申请日：2014-01-09
Applicant: BASF SE
Inventor： GRAY CHRISTOPHER ALAN , MOORMANN-SCHMITZ ANTONIUS , MEIXNER HUBERT , SANCHEZ CERRO LUIS MIGUEL , MÜHLENBERND THOMAS , JEHN-RENDU CHRISTIAN
IPC: D21H17/45 , D21H11/20 , D21H17/37 , D21H17/44 , D21H17/55 , D21H17/56 , D21H17/68 , D21H21/10 , D21H23/04 , D21H23/18
CPC classification number: D21H17/74 , D21H11/20 , D21H17/375 , D21H17/44 , D21H17/45 , D21H17/55 , D21H17/56 , D21H17/68 , D21H21/10 , D21H23/04 , D21H23/18
Abstract: Process for the Manufacture of Paper and Paperboard The present invention relates to a process of making paper or paperboard in which a cellulosic thin stock is provided and subjected to one or more shear stages and then drained and a moving screen to form a sheet which is dried, wherein the process employs a retention system which is applied to the thin stock, said retention system comprising as components i) a blend of different cationic polymers and ii) a microparticulate material, in which the blend of cationic polymers comprises, a) a cationic polymer having a charge density of from 0.5 and below 3 mEq per gram and a molar mass of greater than 700,000 Da, which cationic polymer is selected from polymers containing vinyl amine units and polyethylenimine, b) a cationic polymer having a charge density of below 3 mEq per gram and an intrinsic viscosity of at least 3 dl/g, wherein one of the components of the retention system is dosed into the thin stock after the final shearing stage and the other is dosed into the thin stock before the final shearing stage.
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公开(公告)号：ES2663384T3
公开(公告)日：2018-04-12
申请号：ES13705801
申请日：2013-02-25
Applicant: BASF SE
Inventor： GRAY CHRISTOPHER ALAN
IPC: D21H17/44 , D21H17/00 , D21H17/37 , D21H17/45 , D21H17/55 , D21H17/56 , D21H21/10 , D21H23/14 , D21H23/16 , D21H23/18
Abstract: Un proceso de fabricación de papel, cartón o cartulina en el que se proporciona un material delgado celulósico y se somete a una o más etapas de cizallamiento y luego se drena en una criba móvil para formar una hoja que se seca, en la que el proceso emplea un sistema de tratamiento que se aplica al material delgado, donde dicho sistema de tratamiento comprende como componentes, a) un polímero orgánico catiónico de densidad de carga de al menos 3.0 meq/g con una masa molar Mw de hasta 3 millones de Daltons o poli cloruro de aluminio (PAC), b) un polímero catiónico que tiene una masa molar promedio Mw de al menos 500,000 Daltons y una densidad de carga que no excede 4.0 meq / g; c) un material en micropartículas; en el que los componentes (b) y (c) se agregan al material delgado celulósico después de la última etapa de cizallamiento antes de añadir la caja de entrada y el componente (a) al material delgado celulósico antes de dicha etapa de cizallamiento final.
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公开(公告)号：CA2864017C
公开(公告)日：2018-01-02
申请号：CA2864017
申请日：2013-02-25
Applicant: BASF SE
Inventor： GRAY CHRISTOPHER ALAN
Abstract: The present invention concerns a process of making paper, board or paperboard in which a cellulosic thin stock is provided and subjected to one or more shear stages and then drained on a moving screen to form a sheet which is dried, wherein the process employs a treatment system which is applied to the thin stock, said treatment system comprising as components, a) a cationic organic polymer of charge density of at least 3.0 meq/g with a molar mass Mw of up to 3 million Daltons or poly aluminium chloride (PAC), b) a cationic polymer having an average molar mass Mw of at least 500,000 Daltons and a charge density not exceeding 4.0 meq/g; c) a microparticulate material; in which components (b) and (c) are added to the cellulosic thin stock after the last shear stage before the head box and component (a) is added to the cellulosic thin stock before the said last shear stage.
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