Production method of raw paper of fruit fresh-keeping paper

The invention belongs to the papermaking technology, and relates to a production method of raw paper of fruit fresh-keeping paper. The method comprises the steps of basic raw materials comprising unbleached chemical broadleaf wood pulp and unbleached chemical softwood pulp are subjected to pulp disp...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CAI ZHAOBIN, CHEN GUOPING, LI CHANGRONG, CHEN YUANXING, GU KEQIANG, DAI LUOGEN, TAN NINGHUA
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention belongs to the papermaking technology, and relates to a production method of raw paper of fruit fresh-keeping paper. The method comprises the steps of basic raw materials comprising unbleached chemical broadleaf wood pulp and unbleached chemical softwood pulp are subjected to pulp dispersion, pulp grinding, pulp mixing, wet-end chemical addition, sizing, dewatering, drying and coiling to obtain finished paper; the method is characterized in that wet-end chemicals include a softener food-grade long-chain alkyl compound, polyamide epoxy resin and aluminum sulfate; the amount of the unbleached chemical broadleaf wood pulp in the two basic raw materials is 60-90 wt%, and the amount of the unbleached chemical softwood pulp is 10-40 wt%. The raw paper has the advantages of high food safety, high wet strength, soft paper texture and good packaging performance.