公开(公告)号：US20180237990A1

公开(公告)日：2018-08-23

申请号：US15755407

申请日：2016-08-23

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Henri Kastinen ,  Lars Axrup ,  Saija Pollanen ,  Jani Korhonen ,  Petri Suhonen ,  Teemu Tiainen ,  Matti Vakevainen

IPC: D21D1/20 ,  D21H11/18 ,  D21C9/00

CPC classification number: D21D1/20 ,  D21C9/007 ,  D21H11/18

Abstract: Method for producing microfibrillated cellulose(MFC), wherein the method comprising the steps of: Pre-treating of chemical pulp, such that, the pulp reaches a Schopper-Riegler (SR) value above 50, and refining the pulp, at a consistency of 3-6%, in a refiner with refiner blades, wherein the height of the refiner blades is in the range 2-3 mm.

公开(公告)号：US20150315747A1

公开(公告)日：2015-11-05

申请号：US14651737

申请日：2013-12-11

Applicant: STORA ENSO OYJ

Inventor： Isto Heiskanen ,  Nina Ruhoniemi ,  Vesa Lepisto ,  Jouni Tuomela ,  Susanna Tapio ,  Toni Jurvanen ,  Petri Suhonen

IPC: D21H11/18 ,  A47L13/16 ,  D21F11/00 ,  D21H21/14 ,  D21H17/67

CPC classification number: D21H27/10 ,  A47L13/16 ,  D21F11/00 ,  D21H11/18 ,  D21H17/675 ,  D21H21/14 ,  D21H27/002

Abstract: A wet laid sheet material formed from a fibrous web, characterized in that the initial fibrous web contains >50% a calculated dry microfibrillated material composition by weight of the total fiber material content in the web, wherein the fibrillated material composition has a SR value of >70; and in that the moisture content in the sheet material is >30 wt.-%.

Abstract translation: 一种由纤维网形成的湿法成形片材，其特征在于，初始纤维网包含以纤维网中总纤维材料含量的重量计算的干燥微纤化原料组合物的> 50％，其中原纤化材料组合物的SR值为 > 70; 并且片材中的水分含量> 30重量％。

公开(公告)号：US09518364B2

公开(公告)日：2016-12-13

申请号：US14651737

申请日：2013-12-11

Applicant: Stora Enso OYJ

Inventor： Isto Heiskanen ,  Nina Ruhoniemi ,  Vesa Lepisto ,  Jouni Tuomela ,  Susanna Tapio ,  Toni Jurvanen ,  Petri Suhonen

IPC: D21H11/18 ,  D21H27/10 ,  D21H21/14 ,  D21F11/00 ,  A47L13/16 ,  D21H27/00 ,  D21H17/67

CPC classification number: D21H27/10 ,  A47L13/16 ,  D21F11/00 ,  D21H11/18 ,  D21H17/675 ,  D21H21/14 ,  D21H27/002

Abstract: A wet laid sheet material formed from a fibrous web, characterized in that the initial fibrous web contains >50% a calculated dry microfibrillated material composition by weight of the total fiber material content in the web, wherein the fibrillated material composition has a SR value of >70; and in that the moisture content in the sheet material is >30 wt.-%.

Abstract translation: 一种由纤维网形成的湿法成形片材，其特征在于，初始纤维网包含以纤维网中总纤维材料含量的重量计算的干燥微纤化原料组合物的> 50％，其中原纤化材料组合物的SR值为 > 70; 并且片材中的水分含量> 30重量％。