Packaging paper and packaging material for packaging metallic ma

Details Packaging paper and packaging material for packaging metallic ma Packaging paper and packaging material for packaging metallic ma

1983-07-28

1985-12-17

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-fiber additive

162161, 422 8, D21H 522

Patent

active

045591032

ABSTRACT:
Disclosed is a method of producing a packaging paper for packaging metallic materials, as well as a packaging material such as corrugated box produced from the packaging paper, the method comprising at least one of the steps of (i) pulping a material by a cooking liquor containing no sulfur compound, or pulping the material by a cooking liquor containing a sulfur compound and then oxidizing the pulp with a peroxide, (ii) conducting the paper making step in the neutral region of pH value ranging between 6 and 8, and (iii) applying a rust-prevention agent and/or a sterilizer to the paper sheet. Disclosed also are a packaging paper and packaging material for packaging metallic materials, produced by the above-mentioned method.

REFERENCES:
patent: 2033452 (1936-03-01), Schierholtz
patent: 2643177 (1953-06-01), Wachter et al.
patent: 2707551 (1955-05-01), Shnitzler et al.
patent: 2822236 (1958-02-01), Sheldon et al.
patent: 3041234 (1962-06-01), Taylor
patent: 3425954 (1969-02-01), Ruzevick et al.
patent: 3433577 (1969-03-01), Shick
patent: 3936560 (1976-02-01), Santurri et al.
patent: 4374174 (1983-02-01), Stricklin et al.
Casey, Pulp & Paper, vol. I, II, III (1960) pp. 100, 101, 112, 544, 1013, 1435, 1436, 1461.
Rowe et al., "Investigation of Antitarnish Paper", paper presented at Annual Meeting of the TAPPI, New York, N.Y., Feb. 20-23, 1939.

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