CN114469532A - Preparation method of composite absorption core layer of pet urinal pad - Google Patents
Preparation method of composite absorption core layer of pet urinal pad Download PDFInfo
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- CN114469532A CN114469532A CN202111501082.4A CN202111501082A CN114469532A CN 114469532 A CN114469532 A CN 114469532A CN 202111501082 A CN202111501082 A CN 202111501082A CN 114469532 A CN114469532 A CN 114469532A
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- layer structure
- layer
- composite
- core layer
- fibers
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- 239000002131 composite material Substances 0.000 title claims abstract description 50
- 239000012792 core layer Substances 0.000 title claims abstract description 45
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 91
- 239000000835 fiber Substances 0.000 claims abstract description 58
- 238000000034 method Methods 0.000 claims abstract description 30
- 230000002745 absorbent Effects 0.000 claims abstract description 21
- 239000002250 absorbent Substances 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000002657 fibrous material Substances 0.000 claims abstract description 8
- 239000011148 porous material Substances 0.000 claims abstract description 8
- 229920000297 Rayon Polymers 0.000 claims description 22
- 238000004080 punching Methods 0.000 claims description 7
- 238000009960 carding Methods 0.000 claims description 4
- 238000013329 compounding Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 5
- 210000002700 urine Anatomy 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002346 layers by function Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F2013/15008—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use
- A61F2013/15186—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use for animals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
- A61F2013/53721—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
The invention provides a preparation method of a composite absorption core layer of a pet urinal pad, which comprises the following steps: s10, setting the layer structure of the composite absorbent core layer into a composite structure of at least two layers according to the absorption characteristics of the absorbent fibers, wherein the average pore diameter of each layer of material from top to bottom is gradually reduced, and the disorder degree is gradually improved; s20, selecting fiber materials of each layer structure according to the structure setting in the step S10; s30, performing web forming treatment on the fiber materials of the layer structures by adopting a web forming process; and S40, adopting a composite process to combine each layer structure into a whole according to the structure set in the step S10, and finally forming the composite absorbent core layer. The invention provides a preparation method of a composite absorption core layer of a pet urinal pad, which is characterized in that the absorption core layer of the pet urinal pad is prepared by adopting a process of a composite layer structure, so that the continuous absorption capacity of the absorption core layer can be effectively improved.
Description
Technical Field
The invention relates to the technical field of pet urine pads, in particular to a preparation method of a composite absorption core layer of a pet urine pad.
Background
In daily life, the disposal of pet excrement is a rather troublesome task, requiring the owner to spend considerable effort to do so. In order to protect the environment and make the pet inhabitation field more comfortable, satisfy the beast right needs of the pet, reduce the tedious work that people cleaned the pet simultaneously, some people have used the pet urine pad when raising the pet. The absorption core layer of the pet urinal pad is a main functional layer and is used for absorbing urine discharged by pets. However, the absorbent particles of the existing pet urinal pad are easy to form larger gel masses after absorbing urine, so that the absorption rate and the absorption capacity are reduced in the subsequent use. Therefore, how to solve the problem of the continuous absorption capacity of the absorption core layer is an urgent need to solve.
Disclosure of Invention
The invention aims to provide a preparation method of a composite absorption core layer of a pet urinal pad, and the preparation method is used for solving the problems.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of a composite absorption core layer of a pet urinal pad comprises the following steps:
s10, setting the layer structure of the composite absorbent core layer into a composite structure of at least two layers according to the absorption characteristics of the absorbent fibers, wherein the average pore diameter of each layer of material from top to bottom is gradually reduced, and the disorder degree is gradually improved;
s20, selecting fiber materials of each layer structure according to the structure setting in the step S10;
s30, performing web forming treatment on the fiber materials of the layer structures by adopting a web forming process;
and S40, adopting a composite process to combine each layer structure into a whole according to the structure set in the step S10, and finally forming the composite absorbent core layer.
As a modification of the present invention, in step S10, the layer structure of the composite absorbent core layer is set to three layers.
In one development of the invention, in the layer structure of the composite absorbent core, a first layer structure is made of mixed ES fibers and viscose fibers, a second layer structure is made of mixed SAF fibers and viscose fibers, and a third layer structure is also made of mixed SAF fibers and viscose fibers.
As an improvement of the invention, the SAF fiber content in the second layer structure is greater than the SAF fiber content in the second layer structure.
As an improvement of the invention, when the first layer structure is formed, ES fibers and viscose fibers are subjected to web formation by adopting parallel carding web formation under the working state of constant-speed hot air, so that the first layer structure of the composite absorbent core layer is formed.
As an improvement of the invention, when forming the second layer structure, the SAF fiber and the viscose fiber are respectively carded in parallel, then the SAF fiber and the viscose fiber are folded and lapped, and after lapping is finished, the second layer structure is formed by needle punching.
As an improvement of the invention, when the third layer structure is formed, the SAF fiber and the viscose fiber are firstly subjected to air-laid, and after the web formation is finished, the third layer structure is formed by needle punching.
As an improvement of the invention, the second layer structure and the third layer structure are compounded into a whole through a needle punching process, and then the second layer structure, the third layer structure and the first layer structure which are already integrated are further compounded through an ultrasonic wave compounding process, so that the composite absorption core layer is prepared.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is in no way intended to limit the invention.
A preparation method of a composite absorption core layer of a pet urinal pad comprises the following steps:
s10, setting the layer structure of the composite absorbent core layer into a composite structure of at least two layers according to the absorption characteristics of the absorbent fibers, wherein the average pore diameter of each layer of material from top to bottom is gradually reduced, and the disorder degree is gradually improved;
s20, selecting fiber materials of each layer structure according to the structure setting in the step S10;
s30, adopting a net forming process to carry out net forming treatment on the fiber materials of each layer structure;
and S40, adopting a composite process to combine each layer structure into a whole according to the structure set in the step S10, and finally forming the composite absorbent core layer.
As one embodiment of the present invention, in step S10, the layer structure of the composite absorbent core layer is set to three layers.
As an embodiment of the present invention, in the layer structure of the composite absorbent core layer, a first layer structure is selected from a mixture of ES fibers and viscose fibers, a second layer structure is selected from a mixture of SAF fibers and viscose fibers, and a third layer structure is also selected from a mixture of SAF fibers and viscose fibers.
As an embodiment of the present invention, the content of the SAF fibers in the second layer structure is greater than the content of the SAF fibers in the second layer structure.
As an embodiment of the present invention, when forming the first layer structure, the ES fibers and the viscose fibers are laid by parallel carding under a constant speed hot air working condition to form the first layer structure of the composite absorbent core layer.
In one embodiment of the present invention, when forming the second layer structure, the SAF fibers and the viscose fibers are first carded in parallel, then the SAF fibers and the viscose fibers are cross-folded and lapped, and after lapping is completed, the second layer structure is formed by needle punching.
As an embodiment of the present invention, when forming the third layer structure, the SAF fibers and the viscose fibers are air-laid, and after the air-laying is completed, the third layer structure is formed by needle punching.
As an embodiment of the present invention, the second layer structure and the third layer structure are integrated by a needle punching process, and then the integrated second layer structure, third layer structure and first layer structure are further integrated by an ultrasonic wave composite process, thereby manufacturing the composite absorbent core layer.
The working principle and the beneficial effects of the technical scheme are as follows:
the fiber assembly will generate capillary water absorption, i.e. wicking. The direction of capillary water absorption in the textile material always flows from the holes with large diameter to the holes with small diameter; meanwhile, the liquid is always transferred from low pores to high pores, namely, the liquid preferentially flows to the pores formed by the fibers with good hydrophilicity, and the two points are the direction and the selectivity of wicking.
According to the basic principle of fiber aggregate wicking, a multilayer gradient structure composite absorption core layer with gradually reduced pore diameter from top to bottom, gradually enhanced hydrophilicity and gradually improved disorder degree is designed to improve the liquid absorption rate and the anti-rewet performance of the paper diaper and simultaneously enable liquid to be uniformly diffused in the paper diaper.
The layer structure of the first layer needs to play a role in balancing the longitudinal diffusion and vertical permeation of liquid in the diaper and resisting the back permeation, so that the absorption core layer is fully utilized, and conditions are created for carrying out multiple liquid absorption subsequently. The second layer and the third layer mainly take the functions of liquid absorption and retention, and the fiber composition of the second layer and the third layer is SAF and viscose fiber. The first layer of material in the composite absorption core layer is prepared by adopting parallel carding web formation and hot air reinforcement technology. The obtained structure with the fibers arranged in parallel in the first layer of material can guide liquid to diffuse along the longitudinal direction of the material, and the fluffy structure can slow down the penetration speed of the liquid in the vertical direction of the material and enhance the anti-rewet capacity.
The invention provides a preparation method of a composite absorption core layer of a pet urinal pad, which is characterized in that the absorption core layer of the pet urinal pad is prepared by adopting a process of a composite layer structure, so that the continuous absorption capacity of the absorption core layer can be effectively improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A preparation method of a composite absorption core layer of a pet urinal pad is characterized by comprising the following steps:
s10, setting the layer structure of the composite absorbent core layer into a composite structure of at least two layers according to the absorption characteristics of the absorbent fibers, wherein the average pore diameter of each layer of material from top to bottom is gradually reduced, and the disorder degree is gradually improved;
s20, selecting fiber materials of each layer structure according to the structure setting in the step S10;
s30, performing web forming treatment on the fiber materials of the layer structures by adopting a web forming process;
and S40, adopting a composite process to combine each layer structure into a whole according to the structure set in the step S10, and finally forming the composite absorbent core layer.
2. The method for preparing the composite absorption core layer of the pet urinal pad according to claim 1, wherein the method comprises the following steps: in step S10, the layer structure of the composite absorbent core layer is set to three layers.
3. The method for preparing the composite absorption core layer of the pet urinal pad according to claim 2, wherein the method comprises the following steps: in the layer structure of the composite absorption core layer, the first layer structure selects mixed ES fibers and viscose fibers, the second layer structure selects mixed SAF fibers and viscose fibers, and the third layer structure also selects mixed SAF fibers and viscose fibers.
4. The method for preparing the composite absorption core layer of the pet urinal pad according to claim 3, wherein the method comprises the following steps: the content of the SAF fibers in the second layer structure is greater than the content of the SAF fibers in the second layer structure.
5. The method for preparing the composite absorption core layer of the pet urinal pad according to claim 3, wherein the method comprises the following steps: when the first layer structure is formed, parallel carding and web forming are adopted to form the ES fibers and the viscose fibers in a working state of constant-speed hot air, so that the first layer structure of the composite absorption core layer is formed.
6. The method for preparing the composite absorption core layer of the pet urinal pad according to claim 3, wherein the method comprises the following steps: when the second layer structure is formed, the SAF fiber and the viscose fiber are respectively carded in parallel, then the SAF fiber and the viscose fiber are folded and lapped, and after lapping is finished, the second layer structure is formed by needling.
7. The method for preparing the composite absorption core layer of the pet urinal pad according to claim 3, wherein the method comprises the following steps: when the third layer structure is formed, the SAF fibers and the viscose fibers are subjected to air-laid, and after the laying is finished, the third layer structure is formed by needling.
8. The method for preparing the composite absorption core layer of the pet urinal pad according to claim 3, wherein the method comprises the following steps: the second layer structure and the third layer structure are compounded into a whole through a needle punching process, and then the second layer structure, the third layer structure and the first layer structure which are integrated are further compounded through an ultrasonic compounding process, so that the composite absorption core layer is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111501082.4A CN114469532A (en) | 2021-12-09 | 2021-12-09 | Preparation method of composite absorption core layer of pet urinal pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111501082.4A CN114469532A (en) | 2021-12-09 | 2021-12-09 | Preparation method of composite absorption core layer of pet urinal pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114469532A true CN114469532A (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111501082.4A Pending CN114469532A (en) | 2021-12-09 | 2021-12-09 | Preparation method of composite absorption core layer of pet urinal pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114469532A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042747A (en) * | 2012-12-07 | 2013-04-17 | 博爱（中国）膨化芯材有限公司 | Dust-free paper for liquid absorption and manufacture method and applications thereof |
| CN204839946U (en) * | 2015-07-14 | 2015-12-09 | 苏州艾美医疗用品有限公司 | Strong pad that absorbs water of imitating |
| CN111568645A (en) * | 2020-04-13 | 2020-08-25 | 东华大学 | Super absorbent fiber multi-layer gradient structure absorption core layer |
| CN113322579A (en) * | 2021-06-30 | 2021-08-31 | 浙江王金非织造布有限公司 | Composite spunlaced nonwoven fabric for paper diaper, preparation method and paper diaper |
| CN214596187U (en) * | 2020-11-26 | 2021-11-05 | 叶正瑜 | Hygienic product with good water absorption performance |
-
2021
- 2021-12-09 CN CN202111501082.4A patent/CN114469532A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042747A (en) * | 2012-12-07 | 2013-04-17 | 博爱（中国）膨化芯材有限公司 | Dust-free paper for liquid absorption and manufacture method and applications thereof |
| CN204839946U (en) * | 2015-07-14 | 2015-12-09 | 苏州艾美医疗用品有限公司 | Strong pad that absorbs water of imitating |
| CN111568645A (en) * | 2020-04-13 | 2020-08-25 | 东华大学 | Super absorbent fiber multi-layer gradient structure absorption core layer |
| CN214596187U (en) * | 2020-11-26 | 2021-11-05 | 叶正瑜 | Hygienic product with good water absorption performance |
| CN113322579A (en) * | 2021-06-30 | 2021-08-31 | 浙江王金非织造布有限公司 | Composite spunlaced nonwoven fabric for paper diaper, preparation method and paper diaper |
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Application publication date: 20220513 |
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