Meal packaging piece with moisture absorption patch and preparation method of moisture absorption patch

The invention relates to the technical field of food packaging, and provides a meal packaging piece with a moisture absorption patch and a preparation method. The meal packaging piece comprises a packaging body and a packaging cover, wherein the packaging body is provided with a packaging cavity use...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YUAN AIQUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING DYES HANDLING THIN OR FILAMENTARY MATERIAL METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PACKAGES PACKAGING ELEMENTS PACKING PAINTS PERFORMING OPERATIONS POLISHES STORING TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	The invention relates to the technical field of food packaging, and provides a meal packaging piece with a moisture absorption patch and a preparation method. The meal packaging piece comprises a packaging body and a packaging cover, wherein the packaging body is provided with a packaging cavity used for containing food and a packaging opening communicated with the packaging cavity; the moisture absorption patch is arranged in the packaging cavity, the moisture absorption patch comprises a moisture absorption layer and a bonding layer, and the moisture absorption layer and the bonding layer are connected to form a patch structure; the moisture absorption layer comprises a porous net structure layer formed by crosslinking polysaccharide and a moisture absorbent; the porous net structure layer comprises a dense moisture absorption layer and a loose moisture absorption layer which are connected, the dense moisture absorption layer is connected with the bonding layer, and the pore diameter of the dense moisture a