Environment-friendly packaging container and manufacturing method
A packaging container body and an outlet are integrated, the packaging container body is of a structure with at least two layers, the inner layer is a silica gel layer 1, the main structure layer is a paper pulp molding layer 2, and a three-dimensional structure of the packaging container body is fo...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A packaging container body and an outlet are integrated, the packaging container body is of a structure with at least two layers, the inner layer is a silica gel layer 1, the main structure layer is a paper pulp molding layer 2, and a three-dimensional structure of the packaging container body is formed through the paper pulp molding technology. The liquid silica gel is coated on the surface of a paper pulp molded product in a vibration and (or) centrifugal rotation coating mode. The packaging container is environmentally friendly, convenient to use, low in manufacturing cost, free of any adhesive and capable of completely replacing a plastic packaging container, meanwhile, the manufacturing method is small in technical difficulty, raw materials are saved, the thickness of a film can be more accurately adjusted and controlled, controllability of the film is high, the packaging container is more suitable for film covering of products of a three-dimensional structure, and the packaging container is suitable for |
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