公开(公告)号：SE543573C2

公开(公告)日：2021-03-30

申请号：SE1950165

申请日：2019-02-12

Applicant: STORA ENSO OYJ

Inventor： PENG FRANK ,  WEDIN IRENE ,  KAZEMAHVAZI SOHRAB ,  JANSSON ULLA

IPC: D21J3/00 ,  B29C33/38 ,  B29C51/00 ,  D21J5/00 ,  D21J7/00

Abstract: The invention discloses a method for producing a three dimensional molded product from cellulose fibers, comprising the steps of: -providing a cellulose fiber composition comprising 1-30wt% lignin, said cellulose fiber composition further having a solid content between 0.1-95%; -providing a forming tool having a three dimensional shape including a forming surface, and bringing said forming surface into contact with the cellulose fiber composition; and -press drying the cellulose fiber composition contacted by the forming tool at temperatures >200°C to a dry content of at least 70%. The invention also relates to a three dimensional fiber based product obtainable by means of said method.

公开(公告)号：SE1950165A1

公开(公告)日：2020-08-13

申请号：SE1950165

申请日：2019-02-12

Applicant: STORA ENSO OYJ

Inventor： PENG FRANK ,  WEDIN IRENE ,  KAZEMAHVAZI SOHRAB ,  JANSSON ULLA

IPC: D21J3/00 ,  B29C33/38 ,  B29C51/00 ,  D21J5/00 ,  D21J7/00

Abstract: The invention discloses a method for producing a three dimensional molded product from cellulose fibers, comprising the steps of:-providing a cellulose fiber composition comprising 1-30wt% lignin, said cellulose fiber composition further having a solid content between 0.1-95%;-providing a forming tool having a three dimensional shape including a forming surface, and bringing said forming surface into contact with the cellulose fiber composition; and-press drying the cellulose fiber composition contacted by the forming tool at temperatures >200°C to a dry content of at least 70%.The invention also relates to a three dimensional fiber based product obtainable by means of said method.

公开(公告)号：BR112021026695A2

公开(公告)日：2022-02-15

申请号：BR112021026695

申请日：2020-06-30

Applicant: STORA ENSO OYJ

Inventor： MOBERG ANDERS ,  BACKFOLK KAJ ,  JANSSON ULLA

IPC: D21C9/00 ,  C08L1/02 ,  D21D1/00 ,  D21D5/00 ,  D21H11/18 ,  D21H21/18 ,  D21H21/52

Abstract: composição de fibra de celulose refinada. a presente invenção se refere a uma composição de fibra de celulose refinada útil como um agente de aprimoramento de resistência (de robustez) para papel e papelão, em que a composição de fibra de celulose refinada possui um número de schopper-riegler (sr) na faixa de 80 ? 98 como determinado pelo padrão iso 5267-1, e em que a composição de fibra de celulose refinada possui um conteúdo de fibras possuindo um comprimento > 0,2 mm de pelo menos 12 milhões de fibras por grama com base sobre peso seco. a presente invenção adicionalmente se refere a um método para preparação da composição de fibra de celulose refinada e se refere para polpa de papel ou papelão compreendendo a composição de fibra de celulose refinada.

公开(公告)号：CA3140757A1

公开(公告)日：2021-01-07

申请号：CA3140757

申请日：2020-06-30

Applicant: STORA ENSO OYJ

Inventor： JANSSON ULLA ,  MOBERG ANDERS ,  BACKFOLK KAJ

IPC: D21H11/18 ,  C08L1/02 ,  D21C9/00 ,  D21D1/00 ,  D21D5/00 ,  D21H21/18 ,  D21H21/52

Abstract: The present invention relates to a refined cellulose fiber composition useful as a strength enhancing agent for paper and paperboard, wherein the refined cellulose fiber composition has a Schopper-Riegler (SR) number in the range of 80-98 as determined by standard ISO 5267-1, and wherein the refined cellulose fiber composition has a content of fibers having a length >0.2 mm of at least 12 million fibers per gram based on dry weight. The invention further relates to a method for preparing the refined cellulose fiber composition and to pulp paper and paperboard comprising the refined cellulose fiber composition.

公开(公告)号：SE543552C2

公开(公告)日：2021-03-23

申请号：SE1950843

申请日：2019-07-04

Applicant: STORA ENSO OYJ

Inventor： MOBERG ANDERS ,  BACKFOLK KAJ ,  JANSSON ULLA

IPC: D21H11/18 ,  C08L1/02 ,  D21C9/00 ,  D21D1/00 ,  D21D5/00 ,  D21H21/18 ,  D21H21/52

Abstract: The present invention relates to a refined cellulose fiber composition useful as a strength enhancing agent for paper and paperboard, wherein the refined cellulose fiber composition has a Schopper-Riegler (SR) number in the range of 80-98 as determined by standard ISO 5267-1, and wherein the refined cellulose fiber composition has a content of fibers having a length >0.2 mm of at least 12 million fibers per gram based on dry weight. The invention further relates to a method for preparing the refined cellulose fiber composition and to pulp paper and paperboard comprising the refined cellulose fiber composition.

公开(公告)号：SE1950843A1

公开(公告)日：2021-01-05

申请号：SE1950843

申请日：2019-07-04

Applicant: STORA ENSO OYJ

Inventor： MOBERG ANDERS ,  BACKFOLK KAJ ,  JANSSON ULLA

IPC: D21H11/18 ,  C08L1/02 ,  D21C9/00 ,  D21D1/00 ,  D21D5/00 ,  D21H21/18 ,  D21H21/52

Abstract: The present invention relates to a refined cellulose fiber composition useful as a strength enhancing agent for paper and paperboard, wherein the refined cellulose fiber composition has a Schopper-Riegler (SR) number in the range of 80-98 as determined by standard ISO 5267-1, and wherein the refined cellulose fiber composition has a content of fibers having a length >0.2 mm of at least 12 million fibers per gram based on dry weight. The invention further relates to a method for preparing the refined cellulose fiber composition and to pulp paper and paperboard comprising the refined cellulose fiber composition.