CN112007203A - Ultra-thin type super absorbent paper diaper core - Google Patents
Ultra-thin type super absorbent paper diaper core Download PDFInfo
- Publication number
- CN112007203A CN112007203A CN202010876021.5A CN202010876021A CN112007203A CN 112007203 A CN112007203 A CN 112007203A CN 202010876021 A CN202010876021 A CN 202010876021A CN 112007203 A CN112007203 A CN 112007203A
- Authority
- CN
- China
- Prior art keywords
- parts
- water
- diaper core
- layer
- core body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/425—Porous materials, e.g. foams or sponges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/18—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing inorganic materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/20—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/40—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing ingredients of undetermined constitution or reaction products thereof, e.g. plant or animal extracts
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Materials Engineering (AREA)
- Dispersion Chemistry (AREA)
- Botany (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Zoology (AREA)
- Inorganic Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses an ultrathin high-water-absorptivity paper diaper core, which comprises a non-woven fabric outer layer, a high-molecular water-absorbing inner layer and a breathable layer, wherein the high-molecular water-absorbing inner layer comprises the following raw materials in parts by weight: fluff pulp, magnetic ordered mesoporous carbon nanospheres, 3-aminopropyltriethoxysilane, a catalyst, acrylic acid, chitosan, sodium hydroxide, sodium bicarbonate, a dispersing agent, a cross-linking agent, an initiator and a hot melt adhesive. The ultrathin high-water-absorptivity paper diaper core body disclosed by the invention is prepared by selecting raw materials, optimizing the content of each raw material and selecting a proper proportion, so that the advantages of the ultrathin high-water-absorptivity paper diaper core body are fully exerted, and the ultrathin high-water-absorptivity paper diaper core body is complementary and promoted with each other.
Description
Technical Field
The invention relates to the technical field of paper diaper core materials, in particular to an ultrathin high-water-absorptivity paper diaper core.
Background
The core body is called the heart of the paper diaper, and the water absorption performance, whether the paper diaper lumps or not and the thickness of the fault of the paper diaper are completely determined by the technology of the core body. In the market, the ultra-thin paper diaper generally adopts a composite paper core body. Some diapers are required to be thin, fluffy fluff is inevitably added, even some glue is added to some diapers, so that the ventilation and absorption of the diapers are obviously affected, and more water absorbing beads are added to make up for the fluffy fluff, so that the diapers are inevitably stiff in hand feeling, not skin-friendly and poor in flow guide.
The invention discloses a paper diaper core body and a manufacturing process thereof with the patent name of CN 108309570A in 2018.07.24, and provides the paper diaper core body and the manufacturing process thereof. However, the diaper core obtained in the patent has large thickness and poor water absorption, and cannot meet the requirements of users.
However, the currently used diaper core has the following problems:
1. poor water absorption and poor water locking effect;
2. the paper diaper core is thick, inconvenient to carry and not beneficial to people to use.
Disclosure of Invention
Based on the above situation, the present invention is directed to an ultra-thin diaper core with high water absorption, which can effectively solve the above problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
the core body comprises a non-woven fabric outer layer, a high-molecular water absorption inner layer and a breathable layer, wherein the high-molecular water absorption inner layer comprises the following raw materials in parts by weight: 20-45 parts of fluff pulp, 5-15 parts of magnetic ordered mesoporous carbon nanospheres, 5-15 parts of 3-aminopropyltriethoxysilane, 1.5-2.5 parts of a catalyst, 50-75 parts of acrylic acid, 2-6 parts of chitosan, 20-55 parts of sodium hydroxide, 0.5-3.5 parts of sodium bicarbonate, 5-10 parts of a dispersing agent, 2-8 parts of a cross-linking agent, 1-3 parts of an initiator and 5-10 parts of a hot melt adhesive.
Preferably, the polymer water absorption inner layer comprises the following raw materials in parts by weight: 30 parts of fluff pulp, 10 parts of magnetic ordered mesoporous carbon nanospheres, 10 parts of 3-aminopropyltriethoxysilane, 2 parts of catalyst, 60 parts of acrylic acid, 4 parts of chitosan, 35 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 8 parts of dispersant, 5 parts of cross-linking agent, 2 parts of initiator and 5 parts of hot melt adhesive.
Preferably, the polymer water-absorbing inner layer sequentially comprises a first polymer water-absorbing layer, a fluff pulp layer and a second polymer water-absorbing layer from top to bottom.
More preferably, the thickness of the first polymer water-absorbing layer is 1-2 times of that of the second polymer water-absorbing layer and is 2-3 times of that of the fluff pulp layer.
Preferably, the catalyst is a mixture of edc.hcl and triethylamine in a molar ratio of 1: 1.5.
Preferably, the dispersing agent is a mixture of water-soluble glucan and water-insoluble glucan, and the mass ratio of the water-soluble glucan to the water-insoluble glucan is 5: 1.
Preferably, the cross-linking agent is a mixture of N, N-methylene bisacrylamide and polyethylene glycol 800, and the mass ratio of the N, N-methylene bisacrylamide to the polyethylene glycol is 1: 2.5.
Preferably, the initiator is azodiisobutyramidine sodium hydrochloride.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the ultrathin high-water-absorption paper diaper core body disclosed by the invention is prepared by selecting raw materials, optimizing the content of each raw material, and selecting the macromolecular water-absorbing resin, the fluff pulp, the magnetic ordered mesoporous carbon nanospheres, the acrylic acid, the chitosan, the sodium hydroxide, the sodium bicarbonate, the dispersing agent, the cross-linking agent, the initiator and the hot melt adhesive in a proper proportion, so that the advantages of the core body are fully exerted, the core body and the hot melt adhesive are mutually supplemented and promoted, and the prepared ultrathin high-water-absorption paper diaper core body has excellent water absorption and water locking effects, is thin in thickness and is convenient to carry and use.
The paper diaper core body is added with the ordered magnetic mesoporous carbon nanospheres in a proper proportion as raw materials, the ordered magnetic mesoporous carbon nanospheres as carriers have the characteristics of multiple pore passages, regular pore diameter and large specific surface area, the reaction difficulty is reduced, the ordered magnetic mesoporous carbon nanospheres are uniformly dispersed in the raw material system of the ultrathin high-water-absorption paper diaper core body and are matched with other components to play a good synergistic effect, so that the ultrathin high-water-absorption paper diaper core body has excellent water absorption.
The chitosan is added into the raw materials of the paper diaper core body in a proper proportion and is used as a natural antibacterial agent, so that the chitosan is uniformly dispersed in a raw material system of the ultrathin high-water-absorptivity paper diaper core body, has good compatibility with other components, is matched with each other, plays a good synergistic effect, can be uniformly dispersed in a matrix, and obviously improves the antibacterial capacity of the ultrathin high-water-absorptivity paper diaper core body.
The water-soluble glucan with a proper proportion is added into the raw materials of the ultrathin high-water-absorptivity paper diaper core, so that the paper diaper core is uniformly dispersed in a raw material system of the ultrathin high-water-absorptivity paper diaper core, has relatively good compatibility with other components, is matched with the other components, plays a good synergistic effect, can be uniformly dispersed in a matrix, and obviously improves the water locking capacity of the ultrathin high-water-absorptivity paper diaper core.
Triethylamine in a proper proportion is added into the raw materials of the ultrathin high-water-absorptivity paper diaper core body, the triethylamine is uniformly dispersed in a raw material system of the ultrathin high-water-absorptivity paper diaper core body and reacts with EDC.HCl to generate triethylamine hydrochloride, so that the catalytic reaction capacity of EDC.HCl can be greatly improved, the magnetic ordered mesoporous carbon nanospheres are completely aminated, and the water absorptivity of the ultrathin high-water-absorptivity paper diaper core body can be further improved.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are conventional methods unless otherwise specified; the reagents and materials, unless otherwise indicated, are conventionally obtained commercially or prepared by conventional methods.
Example 1:
the core body comprises a non-woven fabric outer layer, a high-molecular water absorption inner layer and a breathable layer, wherein the high-molecular water absorption inner layer comprises the following raw materials in parts by weight: 20-45 parts of fluff pulp, 5-15 parts of magnetic ordered mesoporous carbon nanospheres, 5-15 parts of 3-aminopropyltriethoxysilane, 1.5-2.5 parts of a catalyst, 50-75 parts of acrylic acid, 2-6 parts of chitosan, 20-55 parts of sodium hydroxide, 0.5-3.5 parts of sodium bicarbonate, 5-10 parts of a dispersing agent, 2-8 parts of a cross-linking agent, 1-3 parts of an initiator and 5-10 parts of a hot melt adhesive.
In this embodiment, the polymeric water-absorbing inner layer preferably comprises the following raw materials in parts by weight: 30 parts of fluff pulp, 10 parts of magnetic ordered mesoporous carbon nanospheres, 10 parts of 3-aminopropyltriethoxysilane, 2 parts of catalyst, 60 parts of acrylic acid, 4 parts of chitosan, 35 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 8 parts of dispersant, 5 parts of cross-linking agent, 2 parts of initiator and 5 parts of hot melt adhesive.
In this embodiment, the polymer water-absorbing inner layer preferably includes a first polymer water-absorbing layer, a fluff pulp layer, and a second polymer water-absorbing layer in sequence from top to bottom.
In this embodiment, the thickness of the first polymer water-absorbing layer is preferably 1 to 2 times that of the second polymer water-absorbing layer, and is preferably 2 to 3 times that of the fluff pulp layer.
In this example, the catalyst is preferably a mixture of edc.hcl and triethylamine, preferably in a molar ratio of 1: 1.5.
In the present embodiment, the dispersant is preferably a mixture of water-soluble glucan and water-insoluble glucan, and the mass ratio of the two is preferably 5: 1.
In the embodiment, the cross-linking agent is preferably a mixture of N, N-methylene bisacrylamide and polyethylene glycol 800, and the mass ratio of the N, N-methylene bisacrylamide to the polyethylene glycol is preferably 1: 2.5.
In this embodiment, the initiator is preferably sodium azobisisobutyramidine hydrochloride.
In this embodiment, a method for manufacturing an ultrathin high water absorption diaper core is further provided, which includes the following steps:
1) weighing the following components in parts by weight: fluff pulp, magnetic ordered mesoporous carbon nanospheres, 3-aminopropyltriethoxysilane, a catalyst, acrylic acid, chitosan, sodium hydroxide, sodium bicarbonate, a dispersing agent, a crosslinking agent, an initiator and a hot melt adhesive;
2) dispersing the magnetic ordered mesoporous carbon nanospheres into a 25% hydrochloric acid solution for acidification, washing and filtering, dispersing the acidified magnetic ordered mesoporous carbon nanospheres into 3-aminopropyltriethoxysilane, adding a catalyst, stirring for 5-10 hours, washing with deionized water and ethanol for three times respectively, and drying to obtain aminated magnetic ordered mesoporous carbon nanospheres;
3) adding the obtained aminated magnetic ordered mesoporous carbon nanospheres into deionized water, adding acrylic acid, sodium hydroxide and a dispersing agent to form a dispersed magnetic ordered mesoporous carbon nanosphere acrylic acid reaction liquid system, wherein the temperature of the system is controlled at 40-60 ℃;
4) adding chitosan, a cross-linking agent, an initiator and sodium bicarbonate into the reaction liquid system, and reacting for 4-6 hours at the temperature of 80-90 ℃ to obtain a semi-finished product of super absorbent resin colloid;
5) washing the semi-finished product of the super absorbent resin colloid with absolute ethyl alcohol for 1-3 times, then placing the semi-finished product of the super absorbent resin colloid in a 70 ℃ drying oven to be dried until the mass is constant, and crushing the semi-finished product of the super absorbent resin colloid to a certain particle size to obtain the super absorbent resin;
6) soaking a hot melt adhesive on the surface of the super absorbent resin, and spraying the hot melt adhesive on the upper surface and the lower surface of the fluff pulp to form a first polymer water absorption layer, a fluff pulp layer and a second polymer water absorption layer with corresponding thickness proportions, so as to obtain a polymer water absorption inner layer;
7) and gluing one surface of the high polymer water absorption inner layer with a non-woven fabric, and gluing the other surface with a breathable layer to obtain the ultrathin high water absorption paper diaper core body.
Example 2:
the core body comprises a non-woven fabric outer layer, a high-molecular water absorption inner layer and a breathable layer, wherein the high-molecular water absorption inner layer comprises the following raw materials in parts by weight: 20 parts of fluff pulp, 5 parts of magnetic ordered mesoporous carbon nanospheres, 5 parts of 3-aminopropyltriethoxysilane, 1.5 parts of catalyst, 50 parts of acrylic acid, 3 parts of chitosan, 35 parts of sodium hydroxide, 1.5 parts of sodium bicarbonate, 5 parts of dispersant, 2 parts of cross-linking agent, 1 part of initiator and 5 parts of hot melt adhesive.
In this embodiment, the polymer water-absorbing inner layer comprises a first polymer water-absorbing layer, a fluff pulp layer and a second polymer water-absorbing layer from top to bottom in sequence.
In this embodiment, the thickness of the first polymer water-absorbing layer is 1-2 times of the thickness of the second polymer water-absorbing layer, and is 2-3 times of the thickness of the fluff pulp layer.
In this example, the catalyst was a mixture of edc.hcl and triethylamine in a molar ratio of 1: 1.5.
In this example, the dispersant is a mixture of water-soluble dextran and water-insoluble dextran at a mass ratio of 5: 1.
In this embodiment, the crosslinking agent is a mixture of N, N-methylene bisacrylamide and polyethylene glycol 800, and the mass ratio of the two is 1: 2.5.
In this example, the initiator was azodiisobutyramidine sodium hydrochloride.
In this embodiment, a method for manufacturing an ultrathin high water absorption diaper core is provided, which includes the following steps:
1) weighing the following components in parts by weight: fluff pulp, magnetic ordered mesoporous carbon nanospheres, 3-aminopropyltriethoxysilane, a catalyst, acrylic acid, chitosan, sodium hydroxide, sodium bicarbonate, a dispersing agent, a crosslinking agent, an initiator and a hot melt adhesive;
2) dispersing the magnetic ordered mesoporous carbon nanospheres into a 25% hydrochloric acid solution for acidification, washing and filtering, dispersing the acidified magnetic ordered mesoporous carbon nanospheres into 3-aminopropyltriethoxysilane, adding a catalyst, stirring for 5 hours, washing with deionized water and ethanol for three times respectively, and drying to obtain aminated magnetic ordered mesoporous carbon nanospheres;
3) adding the obtained aminated magnetic ordered mesoporous carbon nanospheres into deionized water, adding acrylic acid, sodium hydroxide and a dispersing agent to form a dispersed magnetic ordered mesoporous carbon nanosphere acrylic acid reaction liquid system, wherein the temperature of the system is controlled at 40-60 ℃;
4) adding chitosan, a cross-linking agent, an initiator and sodium bicarbonate into the reaction liquid system, and reacting for 4 hours at the temperature of 80 ℃ to obtain a semi-finished product of super absorbent resin colloid;
5) washing the semi-finished product of the super absorbent resin colloid with absolute ethyl alcohol for 1 time, then placing the semi-finished product of the super absorbent resin colloid in a 70 ℃ drying oven to be constant in quality, and crushing the semi-finished product of the super absorbent resin colloid to a certain particle size to obtain the super absorbent resin;
6) soaking a hot melt adhesive on the surface of the super absorbent resin, and spraying the hot melt adhesive on the upper surface and the lower surface of the fluff pulp to form a first polymer water absorption layer, a fluff pulp layer and a second polymer water absorption layer with corresponding thickness proportions, so as to obtain a polymer water absorption inner layer;
7) and gluing one surface of the high polymer water absorption inner layer with a non-woven fabric, and gluing the other surface with a breathable layer to obtain the ultrathin high water absorption paper diaper core body.
Example 3:
the core body comprises a non-woven fabric outer layer, a high-molecular water absorption inner layer and a breathable layer, wherein the high-molecular water absorption inner layer comprises the following raw materials in parts by weight: 30 parts of fluff pulp, 10 parts of magnetic ordered mesoporous carbon nanospheres, 10 parts of 3-aminopropyltriethoxysilane, 2 parts of catalyst, 60 parts of acrylic acid, 4 parts of chitosan, 35 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 8 parts of dispersant, 5 parts of cross-linking agent, 2 parts of initiator and 5 parts of hot melt adhesive.
In this embodiment, the polymer water-absorbing inner layer comprises a first polymer water-absorbing layer, a fluff pulp layer and a second polymer water-absorbing layer from top to bottom in sequence.
In this embodiment, the thickness of the first polymer water-absorbing layer is 1-2 times of the thickness of the second polymer water-absorbing layer, and is 2-3 times of the thickness of the fluff pulp layer.
In this example, the catalyst was a mixture of edc.hcl and triethylamine in a molar ratio of 1: 1.5.
In this example, the dispersant is a mixture of water-soluble dextran and water-insoluble dextran at a mass ratio of 5: 1.
In this embodiment, the crosslinking agent is a mixture of N, N-methylene bisacrylamide and polyethylene glycol 800, and the mass ratio of the two is 1: 2.5.
In this example, the initiator was azodiisobutyramidine sodium hydrochloride.
In this embodiment, a method for manufacturing an ultrathin high water absorption diaper core is provided, which includes the following steps:
1) weighing the following components in parts by weight: fluff pulp, magnetic ordered mesoporous carbon nanospheres, 3-aminopropyltriethoxysilane, a catalyst, acrylic acid, chitosan, sodium hydroxide, sodium bicarbonate, a dispersing agent, a crosslinking agent, an initiator and a hot melt adhesive;
2) dispersing the magnetic ordered mesoporous carbon nanospheres into a 25% hydrochloric acid solution for acidification, washing and filtering, dispersing the acidified magnetic ordered mesoporous carbon nanospheres into 3-aminopropyltriethoxysilane, adding a catalyst, stirring for 8 hours, washing with deionized water and ethanol for three times respectively, and drying to obtain aminated magnetic ordered mesoporous carbon nanospheres;
3) adding the obtained aminated magnetic ordered mesoporous carbon nanospheres into deionized water, adding acrylic acid, sodium hydroxide and a dispersing agent to form a dispersed magnetic ordered mesoporous carbon nanosphere acrylic acid reaction liquid system, wherein the temperature of the system is controlled at 55 ℃;
4) adding chitosan, a cross-linking agent, an initiator and sodium bicarbonate into the reaction liquid system, and reacting for 5 hours at the temperature of 85 ℃ to obtain a semi-finished product of super absorbent resin colloid;
5) washing the semi-finished product of the super absorbent resin colloid with absolute ethyl alcohol for 3 times, then placing the semi-finished product of the super absorbent resin colloid in a 70 ℃ drying oven to be constant in quality, and crushing the semi-finished product of the super absorbent resin colloid to a certain particle size to obtain the super absorbent resin;
6) soaking a hot melt adhesive on the surface of the super absorbent resin, and spraying the hot melt adhesive on the upper surface and the lower surface of the fluff pulp to form a first polymer water absorption layer, a fluff pulp layer and a second polymer water absorption layer with corresponding thickness proportions, so as to obtain a polymer water absorption inner layer;
7) and gluing one surface of the high polymer water absorption inner layer with a non-woven fabric, and gluing the other surface with a breathable layer to obtain the ultrathin high water absorption paper diaper core body.
Example 4:
the core body comprises a non-woven fabric outer layer, a high-molecular water absorption inner layer and a breathable layer, wherein the high-molecular water absorption inner layer comprises the following raw materials in parts by weight: 40 parts of fluff pulp, 15 parts of magnetic ordered mesoporous carbon nanospheres, 15 parts of 3-aminopropyltriethoxysilane, 1.5 parts of catalyst, 65 parts of acrylic acid, 3 parts of chitosan, 45 parts of sodium hydroxide, 1.2 parts of sodium bicarbonate, 5 parts of dispersant, 4 parts of cross-linking agent, 3 parts of initiator and 10 parts of hot melt adhesive.
In this embodiment, the polymer water-absorbing inner layer comprises a first polymer water-absorbing layer, a fluff pulp layer and a second polymer water-absorbing layer from top to bottom in sequence.
In this embodiment, the thickness of the first polymer water-absorbing layer is 2 times that of the second polymer water-absorbing layer and 3 times that of the fluff pulp layer.
In this example, the catalyst was a mixture of edc.hcl and triethylamine in a molar ratio of 1: 1.5.
In this example, the dispersant is a mixture of water-soluble dextran and water-insoluble dextran at a mass ratio of 5: 1.
In this embodiment, the crosslinking agent is a mixture of N, N-methylene bisacrylamide and polyethylene glycol 800, and the mass ratio of the two is 1: 2.5.
In this example, the initiator was azodiisobutyramidine sodium hydrochloride.
In this embodiment, a method for manufacturing an ultrathin high water absorption diaper core is provided, which includes the following steps:
1) weighing the following components in parts by weight: fluff pulp, magnetic ordered mesoporous carbon nanospheres, 3-aminopropyltriethoxysilane, a catalyst, acrylic acid, chitosan, sodium hydroxide, sodium bicarbonate, a dispersing agent, a crosslinking agent, an initiator and a hot melt adhesive;
2) dispersing the magnetic ordered mesoporous carbon nanospheres into a 25% hydrochloric acid solution for acidification, washing and filtering, dispersing the acidified magnetic ordered mesoporous carbon nanospheres into 3-aminopropyltriethoxysilane, adding a catalyst, stirring for 5-10 hours, washing with deionized water and ethanol for three times respectively, and drying to obtain aminated magnetic ordered mesoporous carbon nanospheres;
3) adding the obtained aminated magnetic ordered mesoporous carbon nanospheres into deionized water, adding acrylic acid, sodium hydroxide and a dispersing agent to form a dispersed magnetic ordered mesoporous carbon nanosphere acrylic acid reaction liquid system, wherein the temperature of the system is controlled at 60 ℃;
4) adding chitosan, a cross-linking agent, an initiator and sodium bicarbonate into the reaction liquid system, and reacting for 4-6 hours at the temperature of 90 ℃ to obtain a semi-finished super absorbent resin colloid;
5) washing semi-finished product of super absorbent resin colloid with absolute ethyl alcohol for 2 times, then placing in a 70 ℃ oven for drying until the quality is constant, and crushing to a certain particle size to obtain super absorbent resin;
6) soaking a hot melt adhesive on the surface of the super absorbent resin, and spraying the hot melt adhesive on the upper surface and the lower surface of the fluff pulp to form a first polymer water absorption layer, a fluff pulp layer and a second polymer water absorption layer with corresponding thickness proportions, so as to obtain a polymer water absorption inner layer;
7) and gluing one surface of the high polymer water absorption inner layer with a non-woven fabric, and gluing the other surface with a breathable layer to obtain the ultrathin high water absorption paper diaper core body.
Comparative example 1:
the difference from the example 4 is that there are no magnetic ordered mesoporous carbon nanospheres, and the rest is the same as the example 4.
Comparative example 2:
the difference from example 4 is that there is no chitosan, and the other is the same as example 4.
Comparative example 3:
the difference from example 4 is that no dispersant is used, and the other steps are the same as example 4.
The ultra-thin super absorbent diaper cores and the ordinary diaper cores obtained in the examples 2 to 4 and the comparative examples 1 to 3 of the present invention were subjected to the following performance tests, and the test results are shown in table 1:
the antibacterial performance of the diaper core body is carried out by referring to the relevant method of the antibacterial performance test standard GB15979-1995 of the diaper core body, wherein the test methods of the physiological saline absorption times, the water absorption speed, the water retention capacity and the like are carried out according to GB/T22905-.
TABLE 1
From the above table analysis, it can be seen that comparative example 1 compares with example 4: the magnetic ordered mesoporous carbon nanospheres with a proper proportion are added and matched with other components to play a good synergistic role, so that the ultrathin high-water-absorptivity paper diaper core body has excellent water absorption and water retention.
From the above table analysis, it can be seen that comparative example 2 and example 4 compare: the chitosan with a proper proportion is added to be matched with other components to play a good synergistic effect, so that the ultrathin high-water-absorptivity paper diaper core body has a good antibacterial effect.
From the above table analysis, it can be seen that comparative example 3 and example 4 compare: the dispersant with proper proportion is added to be matched with other components, so that a good synergistic effect is achieved, and the water locking performance of the ultrathin high-water-absorptivity paper diaper core body is improved.
In conclusion, the ultra-thin super absorbent paper diaper core body of the invention has excellent performance in all aspects, is remarkably improved, and can greatly meet the market demand, and in addition, under the comparison, the ultra-thin super absorbent paper diaper core body prepared in the embodiment 3 has the optimal performance, and the corresponding formula dosage and the preparation method thereof are the optimal schemes.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (8)
1. The core body comprises a non-woven fabric outer layer, a high-molecular water-absorbing inner layer and a breathable layer, and is characterized in that the high-molecular water-absorbing inner layer comprises the following raw materials in parts by weight: 20-45 parts of fluff pulp, 5-15 parts of magnetic ordered mesoporous carbon nanospheres, 5-15 parts of 3-aminopropyltriethoxysilane, 1.5-2.5 parts of a catalyst, 50-75 parts of acrylic acid, 2-6 parts of chitosan, 20-55 parts of sodium hydroxide, 0.5-3.5 parts of sodium bicarbonate, 5-10 parts of a dispersing agent, 2-8 parts of a cross-linking agent, 1-3 parts of an initiator and 5-10 parts of a hot melt adhesive.
2. The ultrathin type high water absorption paper diaper core body as claimed in claim 1, wherein the high polymer water absorption inner layer comprises the following raw materials in parts by weight: 30 parts of fluff pulp, 10 parts of magnetic ordered mesoporous carbon nanospheres, 10 parts of 3-aminopropyltriethoxysilane, 2 parts of catalyst, 60 parts of acrylic acid, 4 parts of chitosan, 35 parts of sodium hydroxide, 2 parts of sodium bicarbonate, 8 parts of dispersant, 5 parts of cross-linking agent, 2 parts of initiator and 5 parts of hot melt adhesive.
3. The ultra-thin super absorbent diaper core of claim 1, wherein the inner polymer absorbent layer comprises a first polymer absorbent layer, a fluff pulp layer, and a second polymer absorbent layer from top to bottom.
4. The ultrathin high water absorption paper diaper core body as claimed in claim 3, wherein the thickness of the first high polymer water absorption layer is 1-2 times of that of the second high polymer water absorption layer, and is 2-3 times of that of the fluff pulp layer.
5. The ultrathin diaper core body with high water absorbability according to claim 1, wherein the catalyst is a mixture of EDC.HCl and triethylamine, and the molar ratio of EDC.HCl to triethylamine is 1: 1.5.
6. The ultrathin diaper core body with high water absorbability according to claim 1, wherein the dispersing agent is a mixture of water-soluble glucan and water-insoluble glucan, and the mass ratio of the water-soluble glucan to the water-insoluble glucan is 5: 1.
7. The ultrathin diaper core body with high water absorbability according to claim 1, wherein the cross-linking agent is a mixture of N, N-methylene bisacrylamide and polyethylene glycol 800, and the mass ratio of the N, N-methylene bisacrylamide to the polyethylene glycol is 1: 2.5.
8. The ultrathin diaper core as claimed in claim 1, wherein the initiator is azodiisobutyramidine sodium hydrochloride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010876021.5A CN112007203A (en) | 2020-08-25 | 2020-08-25 | Ultra-thin type super absorbent paper diaper core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010876021.5A CN112007203A (en) | 2020-08-25 | 2020-08-25 | Ultra-thin type super absorbent paper diaper core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112007203A true CN112007203A (en) | 2020-12-01 |
Family
ID=73502691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010876021.5A Pending CN112007203A (en) | 2020-08-25 | 2020-08-25 | Ultra-thin type super absorbent paper diaper core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112007203A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115581792A (en) * | 2022-11-20 | 2023-01-10 | 上海护理佳实业有限公司 | Self-adhesive high-absorption material and absorption core |
| CN116942882A (en) * | 2023-07-27 | 2023-10-27 | 广东美登新材料科技有限公司 | Ultrathin core paper diaper and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662730A (en) * | 2016-02-26 | 2016-06-15 | 湖北立天生物工程有限公司 | Novel slight soluble healthcare function paper diaper with high antibacterial performance and high heavy metal micro-particle adsorbing performance |
| CN106938054A (en) * | 2017-04-21 | 2017-07-11 | 芜湖扬展新材料科技服务有限公司 | A kind of preparation method of placenta stem-cell composite bioactivity glass dressing |
| CN108553219A (en) * | 2018-05-14 | 2018-09-21 | 泉州亚林新材料科技有限公司 | A kind of paper diaper for infant that anti-microbial property is excellent |
| CN110123528A (en) * | 2019-04-28 | 2019-08-16 | 杭州可靠护理用品股份有限公司 | Absorb the paper diaper and its processing technology of water lock excellent antibacterial performance |
| CN110272517A (en) * | 2019-04-28 | 2019-09-24 | 杭州可靠护理用品股份有限公司 | The synthetic method and its application of super absorbent resin microballoon with anti-microbial property |
-
2020
- 2020-08-25 CN CN202010876021.5A patent/CN112007203A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662730A (en) * | 2016-02-26 | 2016-06-15 | 湖北立天生物工程有限公司 | Novel slight soluble healthcare function paper diaper with high antibacterial performance and high heavy metal micro-particle adsorbing performance |
| CN106938054A (en) * | 2017-04-21 | 2017-07-11 | 芜湖扬展新材料科技服务有限公司 | A kind of preparation method of placenta stem-cell composite bioactivity glass dressing |
| CN108553219A (en) * | 2018-05-14 | 2018-09-21 | 泉州亚林新材料科技有限公司 | A kind of paper diaper for infant that anti-microbial property is excellent |
| CN110123528A (en) * | 2019-04-28 | 2019-08-16 | 杭州可靠护理用品股份有限公司 | Absorb the paper diaper and its processing technology of water lock excellent antibacterial performance |
| CN110272517A (en) * | 2019-04-28 | 2019-09-24 | 杭州可靠护理用品股份有限公司 | The synthetic method and its application of super absorbent resin microballoon with anti-microbial property |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115581792A (en) * | 2022-11-20 | 2023-01-10 | 上海护理佳实业有限公司 | Self-adhesive high-absorption material and absorption core |
| CN115581792B (en) * | 2022-11-20 | 2023-12-19 | 上海护理佳实业有限公司 | Self-adhesive high-absorption material and absorption core |
| CN116942882A (en) * | 2023-07-27 | 2023-10-27 | 广东美登新材料科技有限公司 | Ultrathin core paper diaper and preparation method thereof |
| CN116942882B (en) * | 2023-07-27 | 2024-03-26 | 广东美登新材料科技有限公司 | Ultrathin core paper diaper and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110123528B (en) | Paper diaper with excellent water absorption and locking antibacterial performance and processing technology thereof | |
| CN109881489B (en) | Multi-responsiveness intelligent nanofiber functional material and preparation method and application thereof | |
| US5032628A (en) | Process for the preparation of a highly water absorptive resin from acrylic resin, epoxy crosslinker and hydrophilic silicate | |
| CN112007203A (en) | Ultra-thin type super absorbent paper diaper core | |
| DE60022727T3 (en) | Water-absorbent resin composition | |
| US6150582A (en) | Absorbent article and production process therefor | |
| CA2523265A1 (en) | Superabsorbent cellulosic fiber and method of making same | |
| CN108250402B (en) | Hydrophilic soft sponge and preparation method and application thereof | |
| WO1995009014A1 (en) | Powder-form polymers capable of absorbing aqueous liquids, method of preparing them and their use as absorbents | |
| DE3628482A1 (en) | METHOD FOR PRODUCING A RESIN WITH HIGH ABSORPTION | |
| CN109513429A (en) | A kind of preparation method of modified adsorbent for bilirubin | |
| TW201837108A (en) | superabsorbent polymer and the method of fabricating the same | |
| CN111549532A (en) | Finishing process of moisture-absorbing and sweat-releasing polyester non-woven fabric | |
| CN110272517B (en) | Synthetic method and application of high water-absorbent resin microspheres with antibacterial property | |
| CN112266435B (en) | Super-absorbent resin with super-strong conductivity and preparation method and application thereof | |
| CN107740277B (en) | Wormwood/cotton blended yarn slurry and preparation and application thereof | |
| JP2003503114A (en) | Manufacture of woven superabsorbent polymers and fibers | |
| CN111826809A (en) | Preparation method of non-woven fabric material for paper diapers | |
| CN114288091B (en) | Preparation method of plant-based foam core | |
| CN112694626A (en) | Preparation method of plant-based water-absorbing material for paper diapers | |
| CN111925493A (en) | Method for synthesizing porous lignocellulose filler/super absorbent resin composite material | |
| CN107365469A (en) | One kind is based on diatomaceous flexible compound absorbent material and preparation method thereof | |
| CN108209309A (en) | A kind of preparation method of mosquito netting for preventing mosquito | |
| CN111394830A (en) | Seaweed fiber containing Tremella polysaccharide and its preparation method | |
| CN101967208A (en) | Preparation method of superabsorbent acrylics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201201 |