Paper Dictionary and Glossary - Alkaline Papermaking

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Paper Glossary & Dictionary
Word : Alkaline Papermaking
Visited : 248 time(s)

Main definition

[Eng]
Paper manufactured under alkaline conditions, using additives, basic fillers like calcium carbonate and neutral size. The anti-aging properties in alkaline paper make it a logical choice for documents where permanence is essential.

Other definitions

[Eng] Alkaline Paper
Paper manufactured under operating conditions with a pH greater than 7.0. Such papers have calcium carbonate as the filler and a synthetic material, compatible with the alkaline process, as a sizing agent. This process increases the longevity, bulk brightness, opacity, and printing characteristics of the paper without added cost.

[Eng] Alkaline Pulping
Pulping by alkaline solutions of sodium hydroxide, with or without sodium sulfide. Without sodium sulfide it is called soda process and with sodium sulfide it is known as Kraft or sulfate process.

[Eng] Semi-Alkaline Pulp (SAP)
Sulfite pulp cooked at slightly alkaline pH (normal sulfite pulp is cooked at acid pH). SAP is superior in strength to normal sulfite pulp. Used mainly in printing papers.