Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
KRAFT PAPER
Document Type and Number:
Japanese Patent JP2013159866
Kind Code:
A
Abstract:

To provide kraft paper capable of producing a sack that has high strength and air permeability, and hardly causes load collapse when being stacked.

The kraft paper contains a pulp fiber as a main component, and a fibrillation rate of the pulp fiber obtained by disaggregating the kraft paper is 2.0% or more but 4.0% or less. It is preferable that a Kappa number of the pulp fiber is more than 40 but 60 or less. The kraft paper is preferably used for a heavy-duty paper sack.


Inventors:
HATTORI EIJI
Application Number:
JP2012020275A
Publication Date:
August 19, 2013
Filing Date:
February 01, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DAIO SEISHI KK
International Classes:
D21H11/18; D21H11/04
Attorney, Agent or Firm:
Hajime Amano
Fujimoto Katsune
Yoshinori Ikeda
Hiroshi Ogawa
Sanae Kato
Koji Ishida
Keiko Morita
Kazuki Kagami
Yoshiaki Negi
Takashi Shinjo



 
Previous Patent: METHOD FOR PRODUCING RECYCLED PULP

Next Patent: POLYIMIDE FIBER