MOISTURE-RETAINING, QUALITY-PRESERVING AND AROMA-KEEPING VACUUM ALUMINUM-PLATED INNER LINER FOR CIGARETTES AND MANUFACTURING PROCESS THEREFOR - GUANGZHOU HUADU LIANHUA PACKING MAT CO LTD

Title:

MOISTURE-RETAINING, QUALITY-PRESERVING AND AROMA-KEEPING VACUUM ALUMINUM-PLATED INNER LINER FOR CIGARETTES AND MANUFACTURING PROCESS THEREFOR

Document Type and Number:

WIPO Patent Application WO/2018/184320

Kind Code:

A1

Abstract:

A moisture-retaining, quality-preserving and aroma-keeping vacuum aluminum-plated inner liner for cigarettes, comprising a raw paper layer (1), an upper surface of the raw paper layer (1) being provided with a hot melt sealing layer (3), a water-based sealing layer (4), a vacuum aluminum-plated layer (5) and a water-based protective layer (6), and a lower surface of the raw paper layer (1) being provided with a moisture returning layer (7); and the inner liner further comprises a moisture-retaining and aroma-keeping layer (2) disposed on the upper surface or the lower surface of the raw paper layer (1). During the manufacturing process, the moisture-retaining and aroma-keeping layer (2) may be firstly disposed on the upper surface of the raw paper layer (1), and then the hot melt sealing layer (3), the water-based sealing layer (4), the vacuum aluminum-plated layer (5) and the water-based protective layer (6) are disposed in sequence; and the moisture returning layer (7) is disposed on the lower surface of the raw paper layer (1). Or the hot melt sealing layer (3), the water-based sealing layer (4), the vacuum aluminum-plated layer (5) and the water-based protective layer (6) are disposed in sequence on the upper surface of the raw paper layer (1); and the moisture-retaining and aroma-keeping layer (2) and the moisture returning layer (7) are disposed in sequence on the lower surface of the raw paper layer (1).

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Inventors:

CHEN BIFENG (CN)
CHEN KANGLEI (CN)

Application Number:

PCT/CN2017/093778

Publication Date:

October 11, 2018

Filing Date:

July 21, 2017

Export Citation:

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Assignee:

GUANGZHOU HUADU LIANHUA PACKING MAT CO LTD (CN)

International Classes:

D21H19/84; D21H19/04; D21H21/14; D21H23/50; D21H23/56; D21H27/10; D21H27/28

Foreign References:

CN106868931A	2017-06-20
CN102505563A	2012-06-20
CN202969166U	2013-06-05
CN205711552U	2016-11-23
CN101275373A	2008-10-01
CN203514124U	2014-04-02
CN101225622A	2008-07-23

Other References: