CN219049168U

CN219049168U - Novel bamboo fiber sanitary towel structure

Info

Publication number: CN219049168U
Application number: CN202222034338.1U
Authority: CN
Inventors: 蔡忠山; 陈鑫
Original assignee: Xiamen Macon Care Products Co ltd
Current assignee: Xiamen Macon Care Products Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-05-23
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a novel bamboo fiber sanitary towel structure, which comprises a sanitary towel body, wherein the sanitary towel body consists of a surface layer formed by bamboo fiber non-woven fabrics, at least one bottom film made of degradable materials and a composite layer clamped between the surface layer and the bottom film; the composite layer is a flow guide layer and an absorption layer which are arranged up and down, the flow guide layer is made of hot air non-woven fabrics, the absorption layer is an ultrathin core body and is coated with a coating layer on the outer wall of the ultrathin core body, and the degradable material of the bottom film is a PLA film. The utility model provides a sanitary towel which can meet the safety and ventilation requirements of users and can be degraded to reduce environmental pollution.

Description

Novel bamboo fiber sanitary towel structure

Technical Field

The utility model relates to the technical field of sanitary napkins, in particular to a novel bamboo fiber sanitary napkin structure.

Background

The sanitary towel on the market at present is basically made of non-degradable high polymer materials, so that the sanitary towel cannot be naturally degraded, and is generally required to be treated through incineration, and gas generated by the incineration can cause irreversible influence on the atmospheric environment and is also unfavorable for sustainable development of the whole ecological society.

Along with the continuous improvement of the understanding of plastic problems, the development of environment-friendly degradable sanitary napkins capable of replacing the traditional sanitary napkins has become a necessary trend, the sanitary napkins are made of chemical fibers, some chemical reagents are added in the production process, and the produced surface layer is directly contacted with the skin of a human body to cause the discomfort of the skin of a user, even the health is affected, and the air permeability is poor, so that the sanitary napkins capable of meeting the safety requirements and degrading and reducing the environmental pollution are required to be developed.

Disclosure of Invention

The utility model aims to provide a novel bamboo fiber sanitary towel structure.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the novel bamboo fiber sanitary towel structure comprises a sanitary towel body, wherein the sanitary towel body consists of a surface layer formed by bamboo fiber non-woven fabrics, at least one bottom film made of degradable materials and a composite layer clamped between the surface layer and the bottom film;

the composite layer is a flow guide layer and an absorption layer which are arranged up and down, the flow guide layer is made of hot air non-woven fabrics, the absorption layer is an ultrathin core body and is coated with a coating layer on the outer wall of the ultrathin core body, and the degradable material of the bottom film is a PLA film.

Further, the surface layer, the flow guide layer, the absorption layer and the bottom film are sequentially connected through adhesive from top to bottom, and the coating layer is coated on the outer wall of the absorption layer through adhesive and is respectively adhered to the flow guide layer and the bottom film.

Further, the sanitary towel body further comprises leakage-proof side edges and protective wings, the leakage-proof side edges are arranged around the sanitary towel body, the protective wings are symmetrically arranged on two sides of the sanitary towel body, and release paper is adhered to one sides of the sanitary towel body, which are away from the composite layer, of the sanitary towel body through adhesive bonding.

Further, the leakproof side is made of water-repellent non-woven fabrics, and a degradable outer envelope is adhered to one side of the release paper, which is away from the bottom film, through adhesive bonding.

Further, the outer coating is a PLA coating.

Further, the adhesive is one of hot melt adhesive, structural adhesive, wet strength adhesive or rubber adhesive.

Further, the ultrathin core is composed of a high polymer, porous fluffy matters and dust-free paper, wherein the high polymer is spread on the porous fluffy matters, the dust-free paper is arranged on two sides of the porous fluffy matters respectively, and the coating layer is adhered to or thermally pressed on the dust-free paper through viscose glue.

Further, the high molecular polymer is super absorbent resin, the porous fluffy matter is fluffy cotton, and the super absorbent resin is mixed and paved in the pores of the fluffy cotton.

After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:

the surface layer is made of the bamboo fiber non-woven fabric, has the characteristics of skin-friendly ventilation, antibiosis and bacteriostasis, meets the safety use requirements of users, has environment-friendly and degradable performance as a sustainable material, does not pollute the environment, and has the advantages of air permeability, degradability and environmental pollution reduction, and the bottom film and the outer coating film are both protected by films made of PLA materials.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Reference numerals illustrate:

a face layer 11; a carrier film 12; composite layer 13; release paper 14; a guide layer 131; an absorbent layer, 132; coating layer.133.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

Referring to fig. 1, the utility model discloses a novel bamboo fiber sanitary towel structure, which comprises a sanitary towel body 1, wherein the sanitary towel body 1 is composed of a surface layer 11 formed by bamboo fiber non-woven fabrics, at least one bottom film 12 made of degradable materials, and a composite layer 13 sandwiched between the surface layer 11 and the bottom film 12; the composite layer 13 is a diversion layer 131 and an absorption layer 132 which are arranged up and down, the diversion layer 131 is made of hot air non-woven fabrics, the absorption layer 132 is an ultrathin core body and is coated with a coating layer 133 on the outer wall of the ultrathin core body, and the degradable material of the bottom film 12 is a PLA film.

The surface layer 11 made of the bamboo fiber non-woven fabric of the embodiment is biodegradable, has the functions of skin-friendly ventilation, antibiosis and bacteriostasis in the use process, has good antibiosis and bacteriostasis performance, can prevent women from being infected with bacteria to a certain extent in the use process, and has environmental friendliness and degradability as a sustainable material.

The surface layer 11, the diversion layer 131, the absorption layer 132 and the bottom film 12 are sequentially connected from top to bottom through adhesive, and the coating layer 133 is coated on the outer wall of the absorption layer 132 through adhesive and is respectively adhered to the diversion layer 131 and the bottom film 12.

The diversion layer 131 is provided with diversion trenches, the diversion trenches are arranged at the top of the diversion layer 131 in a grid structure and are used for diversion of liquid entering the absorption layer 132, and the diversion trenches are provided with inclined planes which are symmetrically arranged at two sides of the notch of the diversion trenches so as to facilitate the rapid introduction of the liquid into the absorption layer 132.

The water-absorbing honeycomb structure is characterized in that no diversion groove is arranged, diversion honeycomb holes can be formed in the top of the diversion layer 131, macromolecule water-absorbing balls used for rapid water absorption are arranged in the diversion honeycomb holes, the diversion honeycomb holes are made of macromolecule water-absorbing materials, water absorbed by the macromolecule water-absorbing balls is permeated into the absorption layer 132, water is timely absorbed and locked, and when the equivalent weight is excessive, liquid absorbed by the macromolecule water-absorbing balls in the diversion honeycomb holes is absorbed by the water-absorbing layer 132.

The sanitary towel body 1 further comprises leakage-proof side edges and protection wings, the leakage-proof side edges are arranged around the sanitary towel body, the side leakage is avoided through the leakage-proof side edges arranged on the outer side of the composite layer 13, the protection wings are symmetrically arranged on two sides of the sanitary towel body, and release paper 14 is adhered to one side of the sanitary towel body, which is away from the composite layer 13, through adhesive bonding.

The leakproof side edges are made of water-repellent non-woven fabrics, and are opposite to the hydrophilic non-woven fabrics, so that the leakproof side edges have the characteristics of water resistance and air permeability, leakage can be effectively prevented, a degradable outer coating film is adhered to one side of the release paper, which is away from the bottom film 12, through adhesive bonding, and the outer coating film is a PLA coating film.

Polylactic acid (PLA) is a novel bio-based and renewable biodegradable material, and is prepared from starch raw materials proposed by renewable plant resources (such as corn, cassava and the like).

The adhesive is one of hot melt adhesive, structural adhesive, wet strength adhesive or rubber adhesive.

The ultrathin core is composed of a high polymer, a porous fluffy matter and dust-free paper, wherein the high polymer is spread on the porous fluffy matter, the dust-free paper is provided with two dust-free paper surfaces and is respectively arranged on the two dust-free paper surfaces, and the coating layer 133 is adhered to or thermally pressed on the dust-free paper through viscose glue, wherein the high polymer in the embodiment is preferably high water absorption resin, the porous fluffy matter is preferably fluffy cotton, and the high water absorption resin is mixed and spread in the pores of the fluffy cotton.

The coating layer 133 is preferably wet-strength paper, and the wet-strength paper may be bamboo charcoal wet-strength paper made of bamboo charcoal material, which is different from the common wet-strength paper in that bamboo charcoal powder is added during the production process, thereby performing the functions of odor suppression and deodorization, etc.

According to the embodiment, the wood pulp structure is modified, namely the whole fluffy fiber is adopted to fix the absorption molecules, the dust-free paper and the porous fluffy matters are covered by the bamboo charcoal wet-strength paper, the super absorbent resin (SAP) is paved between the porous fluffy matters, and then the layers are bonded by using the hot melt adhesive, so that the phenomenon of gel displacement after absorption is solved, more high molecules are needed to be used as a result, the wood pulp structure is lighter and thinner, and the wood pulp structure has the characteristics of being more close to the body, lighter and thinner, difficult to reverse osmosis, free of faults, free of clusters and the like, and the requirements of rapid absorption and stable water locking are met.

The outer box package for packaging sanitary napkins in this embodiment is also made of degradable materials and is a corrugated box.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. A novel bamboo fiber sanitary towel structure is characterized in that: the sanitary towel comprises a sanitary towel body, wherein the sanitary towel body consists of a surface layer formed by bamboo fiber non-woven fabrics, at least one bottom film made of degradable materials and a composite layer clamped between the surface layer and the bottom film;

2. A novel bamboo fiber sanitary towel structure as defined in claim 1, wherein: the surface layer, the diversion layer, the absorption layer and the bottom film are sequentially connected through adhesive from top to bottom, and the coating layer is coated on the outer wall of the absorption layer through the adhesive and is respectively adhered to the diversion layer and the bottom film.

3. A novel bamboo fiber sanitary towel structure as defined in claim 2, wherein: the sanitary towel body further comprises leakage-proof side edges and protective wings, the leakage-proof side edges are arranged around the sanitary towel body, the protective wings are symmetrically arranged on two sides of the sanitary towel body, and release paper is adhered to one sides of the sanitary towel body, which are away from the composite layer, of the sanitary towel body through adhesive bonding.

4. A novel bamboo fiber sanitary towel structure as defined in claim 3, wherein: the leakproof side is made of water-repellent non-woven fabrics, and a degradable outer envelope is adhered to one side of the release paper, which is away from the bottom film, through adhesive bonding.

5. A novel bamboo fiber sanitary towel structure as defined in claim 4, wherein: the outer coating is a PLA coating.

6. A novel bamboo fiber sanitary towel structure according to any one of claims 2-5, characterized in that: the adhesive is one of hot melt adhesive, structural adhesive, wet strength adhesive or rubber adhesive.

7. A novel bamboo fiber sanitary towel structure as defined in claim 1, wherein: the ultrathin core consists of high molecular polymers, porous fluffy matters and dust-free paper, wherein the high molecular polymers are spread on the porous fluffy matters, the dust-free paper is arranged on two sides of the porous fluffy matters respectively, and the coating layer is adhered to or thermally pressed on the dust-free paper through viscose glue.

8. A novel bamboo fiber sanitary towel structure as defined in claim 7, wherein: the high molecular polymer is super absorbent resin, the porous fluffy matter is fluffy cotton, and the super absorbent resin is mixed and paved in the pores of the fluffy cotton.