公开(公告)号：CA2953463A1

公开(公告)日：2015-12-30

申请号：CA2953463

申请日：2015-06-23

Applicant: STORA ENSO OYJ

Inventor： SAXELL HEIDI ,  RANTAMAKI PAULA ,  EKMAN KALLE

IPC: C08B15/06 ,  C08B16/00 ,  D01C1/00 ,  D01F2/28

Abstract: The present invention relates to a method for manufacturing cellulose carbamate which method comprises the following steps: providing a never-dried pulp, adding urea and mixing said pulp with said urea, mechanically treating said mixture, drying the mixture, and heating the relatively dry mixture thus providing a cellulose carbamate. The present invention also relates to a cellulose carbamate obtainable by said method, use of said cellulose carbamate and a dope comprising said cellulose carbamate.

公开(公告)号：CA2953463C

公开(公告)日：2022-04-26

申请号：CA2953463

申请日：2015-06-23

Applicant: STORA ENSO OYJ

Inventor： SAXELL HEIDI ,  RANTAMAKI PAULA ,  EKMAN KALLE

IPC: C08B15/06 ,  C08B16/00 ,  D01C1/00 ,  D01F2/28

Abstract: The present invention relates to a method for manufacturing cellulose carbamate which method comprises the following steps: providing a never-dried pulp, adding urea and mixing said pulp with said urea, mechanically treating said mixture, drying the mixture, and heating the relatively dry mixture thus providing a cellulose carbamate. The present invention also relates to a cellulose carbamate obtainable by said method, use of said cellulose carbamate and a dope comprising said cellulose carbamate.