Material testing and product properties
- Why test pulp and paper?
- Fibre properties
- Papermaking properties of pulp
- Fluff pulps
- Chemical analysis of pulps
- General physical properties of paper and board
- Optical properties of paper
- End-use properties of printing papers
- End-use properties of packaging papers and boards
- Tissue papers
- Permanent papers
- Reliability of results in physical testing of pulp and paper
- Quality control at the mill
- Standardisation in pulp and paper testing
Permanent papers Introduction Permanent papers should retain the properties that influence readability and document handling when stored in a protected environment for long periods. Permanence may also concern materials, i.e. papers and boards, used for enclosures of documents and photographic material in storage. The requirements of permanence are based on either on certain tests of
Authors & references
Edited by:
Petteri Maijanen, ABB
Original authors:
Jouko Laamanen
Based on: Laamanen, J., Permanent papers (Chapter 12). In: Levlin, J-E. & Sjöderhelm, L. (ed), Pulp and paper testing (Book 17), Papermaking Science and Technology. Jyväskylä. 1999. Fapet Oy. pp. 248-255.
References:
- Hoel, I. “Papiernedbrydning (Paper deterioration)”, Forskningrapp. 1, Det Kongelige Bibliotek, Copenhagen, 1987 (Danish).
- Crouse, B. W. and Sanderson, E. H., Japan Tappi, 2:238 (1992).
- Abadie-Maumert, F. A. and Soteland, N. A., Rev. ATIP. 44(6):223(1990).
- Johnson, R. W. and Bird, A., “CTMP in fine papers: impact of CTMP on permanence of alkaline papers”, TAPPI 1991 Papermakers Conference Proceedings, TAPPI Press, Atlanta, p. 267.
- Zou, X., Gurnagul, N., Uesaka, T., J. Pulp Pap. Sci. 19(6):J235(1993).
- Gurnagul, N., Howard, R. C., Zou, X., et al., J. Pulp Pap. Sci. 19(4):J160(1993).
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This page has been updated 26.03.2021