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:
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
Fujimoto Katsune
Yoshinori Ikeda
Hiroshi Ogawa
Sanae Kato
Koji Ishida
Keiko Morita
Kazuki Kagami
Yoshiaki Negi
Takashi Shinjo