干爽可降解卫生巾

Abstract

本实用新型公开干爽可降解卫生巾，属于卫生巾领域。所述干爽可降解卫生巾包括卫生巾本体和包膜，所述卫生巾本体包括表层、吸收层和防漏层，所述吸收层包括上芯体和下芯体，上芯体包括数条沿卫生巾长度方向并排的吸收条，吸收条的截面的中部向上凸起和向下凸起，相邻吸收条的表层一侧形成沟槽，相邻吸收条的下芯体一侧形成空腔。所述包膜包括防粘涂层、封合涂层和纸包膜；防粘涂层和封合涂层设于纸包膜上，位于纸包膜的防漏层一侧。本实用新型的干爽可降解卫生巾采用双芯体吸收层，吸液速率快、扩散好、有效吸液容量高，体感干爽；采用具有防粘涂层和封合涂层的纸包膜，工艺简单、降解率高。

Claims

1. Dry and degradable sanitary napkin comprising a sanitary napkin body (1) and a package film, said sanitary napkin body (1) comprising a top sheet (6), an absorbent layer (7) and a leakage barrier (8), characterized in that, The absorbent layer (7) includes an upper core (9) and a lower core (10). The upper core (9) includes several absorbent strips (11) arranged side by side along the length of the sanitary napkin. The middle part of the cross section of the absorbent strip (11) is raised upward and downward. A groove (12) is formed on one side of the surface layer (6) of the adjacent absorbent strip (11), and a cavity (13) is formed on one side of the lower core (10) of the adjacent absorbent strip (11).

2. The dry and absorbent degradable sanitary napkin as claimed in claim 1, wherein, The surface layer (6) is located on the side of the upper core (9) of the absorbent layer (7), and the leak-proof layer (8) is located on the side of the lower core (10) of the absorbent layer (7); the film is on the side of the leak-proof layer (8) of the sanitary napkin body (1); The absorbent strip (11) comprises cotton fibers combed along the length of the sanitary napkin; The surface layer (6) is made of pure cotton or bamboo fiber. The leak-proof layer (8) is made of PLA and / or PBAT materials.

3. The dry and absorbent degradable sanitary napkin as claimed in claim 1, wherein, The lower core (10) has a greater liquid absorption capacity than the upper core (9); The lower core (10) is made of pure cotton spunlace fabric; The absorbent strip (11) is made of pure cotton or a composite of pure cotton and other sustainable materials.

4. The dry and absorbent degradable sanitary napkin as claimed in claim 3, wherein, The absorbent strip (11) is formed by twisting cotton fibers after they are made into strips by a cotton carding machine and then spun into rovings or yarns using a roller roving machine. Or the absorbent strip (11) is an absorbent strip made by combing cotton fibers through a cotton carding machine; Alternatively, the absorbent strip (11) may be formed by cotton fibers being combed by a cotton carding machine and then wrapped in nonwoven fabric.

5. The dry, degradable sanitary napkin of claim 1 wherein, The cross-section of the absorbent strip (11) is circular or elliptical.

6. The dry, degradable sanitary napkin of claim 1 wherein, The coating includes an anti-stick coating (3), a sealing coating (4), and a paper wrapping film (2); the anti-stick coating (3) and the sealing coating (4) are disposed on the paper wrapping film (2) and located on the side of the leak-proof layer (8) of the paper wrapping film (2).

7. The dry, degradable sanitary napkin of claim 6 wherein, The paper wrapping film (2) is prepared from paper pulp; The anti-stick coating (3) and the leak-proof layer (8) are bonded together by hot melt adhesive, and the area of ​​the anti-stick coating (3) is not less than the area of ​​the hot melt adhesive.

8. The dry and absorbable sanitary napkin according to claim 6, characterized in that, The anti-stick coating (3) is a silicone oil coating, and the sealing coating (4) is a water-based coating.

9. The dry, degradable sanitary napkin of claim 6 wherein, The sealing coating (4) is located at both ends of the paper wrapping film (2) along the width direction of the sanitary napkin; The paper wrapping film (2) also includes a hot melt adhesive coating (5) at one end along the length of the sanitary napkin.

10. The dry, degradable sanitary napkin of claim 1 wherein, A blocking block (14) is also provided on one side of the surface layer (6) of the upper core (9), and the blocking block (14) is located at both ends of the upper core (9) along the length of the sanitary napkin.

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