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Patent Searching and Data


Title:
PRODUCTION OF PAPER
Document Type and Number:
Japanese Patent JPH06158579
Kind Code:
A
Abstract:

PURPOSE: To provide paper excellent in both stiffness and smoothness.

CONSTITUTION: The paper can be obtained by mixing (A) coniferous pulp (N) 2.0-3.0 in water retention value with (B) hardwood pulp (L) 1.1-1.4 in water retention value at the weight ratio N/L of (5:95) to (20:80) followed by conducting papermaking process. Besides, when the paper produced above is smoothed using a pressurizing nip composed of a heated metallic roll and an elastic roll, especially excellent paper can be obtained. The paper thus obtained, which is low in density and excellent in both stiffness and smoothness, is also excellent in the workability in printers and printed letter quality.


Inventors:
KATSURA TORU
OTSUKA MASAYOSHI
OKAFURO KENICHI
Application Number:
JP30723092A
Publication Date:
June 07, 1994
Filing Date:
November 17, 1992
Export Citation:
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Assignee:
MITSUBISHI PAPER MILLS LTD
International Classes:
D21H11/00; (IPC1-7): D21H11/00