CN110680950A - Bacteriostatic non-nanoscale zinc oxide dispersion slurry and application thereof - Google Patents
Bacteriostatic non-nanoscale zinc oxide dispersion slurry and application thereof Download PDFInfo
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- CN110680950A CN110680950A CN201910945177.1A CN201910945177A CN110680950A CN 110680950 A CN110680950 A CN 110680950A CN 201910945177 A CN201910945177 A CN 201910945177A CN 110680950 A CN110680950 A CN 110680950A
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- 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
- A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
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- 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
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- 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
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- 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
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/10—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing inorganic materials
- A61L2300/102—Metals or metal compounds, e.g. salts such as bicarbonates, carbonates, oxides, zeolites, silicates
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Inorganic Chemistry (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the field of non-woven fabrics, in particular to bacteriostatic non-nanoscale zinc oxide dispersion slurry and application thereof, wherein the bacteriostatic non-nanoscale zinc oxide dispersion slurry comprises 68-71 wt% of zinc oxide, 12.5-16.5 wt% of glycerol, 0.05-0.5 wt% of sodium polyacrylate grafted starch, 0.25-1.0 wt% of cellulose gum and 12.5-16.5 wt% of water. The non-nano zinc oxide dispersion slurry is stable in property, excellent in antibacterial activity, capable of being mutually dissolved with water, free of influence on liquid infiltration, easy to dry, and capable of transferring zinc oxide components to the flatus when being in dry state in contact with the skin, and the hip protection effect is achieved. The zinc oxide of the invention is coated on the surface layer of the paper diaper, which can inhibit the growth of bacteria, improve allergy and reduce the occurrence of red buttocks.
Description
Technical Field
The invention relates to the field of non-woven fabrics, in particular to bacteriostatic non-nanoscale zinc oxide dispersion slurry and application thereof.
Background
Diaper dermatitis (also known as diaper rash or red wind) is a local allergic or inflammatory reaction of skin that occurs after an infant has a thin and tender skin and is irritated by urine, feces or secretion, and fabrics, and is very common in infants. The main components of the baby talcum powder, the isolation cream, the hip-protecting cream, the calamine cream, the shampoo with the anti-dandruff effect, the antibacterial ointment and the sunscreen cream which are used for treating diaper rash in the market at present are added: and (3) zinc oxide. The zinc oxide has astringency, oil absorption and water absorption, has the effects of bacteriostasis and dryness, has moderate covering power, and has related records for promoting wound healing in the times before ancient Egypt and Yuan. The main antibacterial mechanism of zinc oxide is the combined action of metal ion dissolving out mechanism and photocatalysis mechanism. The zinc oxide ointment can exactly isolate moisture and irritants, astringe skin and promote healing on the body of a baby suffering from diaper dermatitis, has stable property, almost no irritation, is not easy to decompose, is insoluble in water and hardly absorbed by the skin, so that infants, pregnant women and old people have no use contraindication.
At present, the hip-protecting ointment and the like on the market are prepared by dispersing zinc oxide particles in grease (vaseline), and the grease can form an oil film on the surface layer when being coated on the surface layer of the paper diaper, so that urine is prevented from seeping downwards to cause urine leakage.
Disclosure of Invention
The invention aims to overcome the defects and provide bacteriostatic non-nanoscale zinc oxide dispersion slurry and application thereof.
In order to achieve the purpose, the technical solution of the invention is as follows:
the bacteriostatic non-nanoscale zinc oxide dispersion slurry is characterized by comprising the following components in parts by weight: comprises 68-71 wt% of zinc oxide, 12.5-16.5 wt% of glycerin, 0.05-0.5 wt% of sodium polyacrylate grafted starch, 0.25-1.0 wt% of cellulose gum and 12.5-16.5 wt% of water.
Preferably, the bacteriostatic non-nano-scale zinc oxide dispersion slurry comprises 69-70% by weight of zinc oxide, 14.5-15.5% by weight of glycerol, 0.3-0.4% by weight of sodium polyacrylate grafted starch, 0.7-0.8% by weight of cellulose gum and 14.0-15.0% by weight of water.
The application of the bacteriostatic non-nanoscale zinc oxide dispersion slurry in the paper diapers is to prepare the bacteriostatic non-nanoscale zinc oxide dispersion slurry, take the minimum bacteriostatic concentration of 125-500 ppm and the particle size of zinc oxide particles of 100-400 nm for standby application, coat the bacteriostatic non-nanoscale zinc oxide dispersion slurry on the surface layer of the paper diapers by coating equipment, wherein the coating area accounts for 10-40% of the total area of the surface layer, and the coating amount is 0.5-2.5 g/square meter.
A plain weave hot air surface paper diaper, the bacteriostasis non-nanometer zinc oxide dispersion slurry of claim 1 is adopted for surface coating, the fiber denier of the surface layer of the paper diaper is 1.2D, the surface coating is two strip-shaped blade coating shapes with the width of 10mm, the coating area accounts for 13 percent of the total area, and the coating amount is 0.8 g/square meter.
An adult diaper, which adopts the bacteriostatic non-nanoscale zinc oxide dispersion slurry of claim 1 to coat a surface layer, wherein the surface layer of the adult diaper is a spun-bonded non-woven fabric, the coating area accounts for 35% of the total area, and the coating amount is 2.4 g/square meter.
The glycerin has the advantages of moisture retention, high activity and oxidation resistance, and effectively improves the activity and skin adaptability of the zinc oxide dispersion slurry; the sodium polyacrylate grafted starch is used for dispersing zinc oxide particles, so that the system has intermolecular force, and a water-absorbing gel with low viscosity and a stable system are formed; the cellulose gum as a water system thickener has the advantages of high thickening efficiency, good compatibility, good storage stability and good pH stability, can improve the water retention property of the dispersed pulp, can obviously improve the cohesiveness and the anti-sagging property of the dispersed pulp, ensures that the dispersed pulp is smoother and more stable in volume after being coated, is not easy to generate bleeding stratification, and improves the workability and the coating property of the dispersed pulp.
By adopting the technical scheme, the invention has the beneficial effects that: the non-nano zinc oxide dispersion slurry is stable in property, excellent in antibacterial activity, capable of being mutually dissolved with water, free of influence on liquid infiltration, easy to dry, and capable of transferring zinc oxide components to the flatus when being in dry state in contact with the skin, and the hip protection effect is achieved. The zinc oxide of the invention is coated on the surface layer of the paper diaper, which can inhibit the growth of bacteria, improve allergy and reduce the occurrence of red buttocks.
The present invention solves the following problems:
1. the water-based zinc oxide dispersion slurry adopted in the invention is easy to dry and transfer to the skin, has good hydrophilicity, and solves the problem of influencing urine infiltration; untreated zinc oxide particles are dispersed in vaseline to form zinc oxide ointment, and the oily ointment influences urine infiltration;
2. when the mass fraction of zinc oxide in the invention is 68-71%, the concentration of dissolved zinc ions and free radicals reaches a local saturation state, the antibacterial effect exerted by the zinc ions and free radicals also reaches the maximum, and the coagulation effect of zinc oxide is enhanced beyond the value, so that the local zinc ion concentration is reduced, and the antibacterial effect is influenced.
3. The nano-zinc oxide has the risk of inhalation and the risk of possible skin penetration, and the untreated large zinc oxide particles have poor dispersion uniformity, stability and bacteriostatic effect; the non-nano zinc oxide particles are more than 100nm, and have excellent antibacterial performance and are safer and more stable.
Detailed Description
The invention is further illustrated by the following specific examples.
The bacteriostatic non-nano zinc oxide dispersing pulp consists of zinc oxide 68-71 wt%, glycerin 12.5-16.5 wt%, sodium polyacrylate grafted starch 0.05-0.5 wt%, cellulose gum 0.25-1.0 wt% and water 12.5-16.5 wt%.
Furthermore, the optimal scheme of the bacteriostatic non-nano-grade zinc oxide dispersion slurry comprises 69-70% by weight of zinc oxide, 14.5-15.5% by weight of glycerol, 0.3-0.4% by weight of sodium polyacrylate grafted starch, 0.7-0.8% by weight of cellulose gum and 14.0-15.0% by weight of water.
The application of the bacteriostatic non-nanoscale zinc oxide dispersion slurry in the paper diapers is to prepare the bacteriostatic non-nanoscale zinc oxide dispersion slurry, take the minimum bacteriostatic concentration of 125-500 ppm and the particle size of zinc oxide particles of 100-400 nm for standby application, coat the bacteriostatic non-nanoscale zinc oxide dispersion slurry on the surface layer of the paper diapers by coating equipment, wherein the coating area accounts for 10-40% of the total area of the surface layer, and the coating amount is 0.5-2.5 g/square meter.
A plain weave hot air surface paper diaper, the bacteriostasis non-nanometer zinc oxide dispersion slurry of claim 1 is adopted for surface coating, the fiber denier of the surface layer of the paper diaper is 1.2D, the surface coating is two strip-shaped blade coating shapes with the width of 10mm, the coating area accounts for 13 percent of the total area, and the coating amount is 0.8 g/square meter.
An adult diaper, which adopts the bacteriostatic non-nanoscale zinc oxide dispersion slurry of claim 1 to coat a surface layer, wherein the surface layer of the adult diaper is a spun-bonded non-woven fabric, the coating area accounts for 35% of the total area, and the coating amount is 2.4 g/square meter.
Minimum inhibitory concentration, coating area and coating weight optimization test of zinc oxide dispersion slurry
Firstly, experimental setting: in the invention, the evaluation of the antibacterial effect is carried out on the non-woven fabric (the hot-air non-woven fabric on the surface layer of the paper diaper) treated by the zinc oxide dispersion slurry.
The prepared dispersion slurry is coated on non-woven fabrics in a certain amount, and antibacterial experiments are carried out according to GB15979 hygienic standard of disposable sanitary products, appendix C test methods for the bactericidal performance, the antibacterial performance and the stability of products, and C4 test methods for the antibacterial performance of dissolution antibacterial products.
Second, the experimental procedure
1. Preparing bacterial liquid: escherichia coli, Staphylococcus aureus bacterial liquid,
2. preparation of test and control samples:
a tested sample: preparing dispersing pulp with different concentrations (calculated by mass fraction of zinc oxide), and coating the prepared dispersing pulp on the hot air surface layer non-woven fabric;
control sample: hot air surface layer non-woven fabric without coating zinc oxide dispersion slurry
3. Non-woven fabric bacteriostasis experiment is carried out according to GB15979 appendix C3
4. And (4) conclusion: the higher the concentration is, the higher the bacteriostasis rate is, and the change of the bacteriostasis rate is not large after the minimum bacteriostasis concentration is reached.
Key data of bacteriostatic experiment of subsidiary part
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the present invention, and all equivalent variations and modifications made in the claims of the present invention should be included in the scope of the present invention.
Claims (5)
1. The bacteriostatic non-nanoscale zinc oxide dispersion slurry is characterized by comprising the following components in parts by weight: comprises 68-71 wt% of zinc oxide, 12.5-16.5 wt% of glycerin, 0.05-0.5 wt% of sodium polyacrylate grafted starch, 0.25-1.0 wt% of cellulose gum and 12.5-16.5 wt% of water.
2. The bacteriostatic non-nanoscale zinc oxide dispersion slurry according to claim 1, characterized in that: comprises 69-70 wt% of zinc oxide, 14.5-15.5 wt% of glycerol, 0.3-0.4 wt% of sodium polyacrylate grafted starch, 0.7-0.8 wt% of cellulose gum and 14.0-15.0 wt% of water.
3. The application of the bacteriostatic non-nanoscale zinc oxide dispersion slurry in the paper diaper according to claim 1, wherein the bacteriostatic non-nanoscale zinc oxide dispersion slurry is prepared from the following components in percentage by weight: preparing bacteriostatic non-nanoscale zinc oxide dispersion slurry, taking the slurry with the minimum bacteriostatic concentration of 125-500 ppm and the zinc oxide particle size of 100-400 nm for standby application, and coating the slurry on a paper diaper surface layer by coating equipment, wherein the coating area accounts for 10-40% of the total area of the surface layer, and the coating weight is 0.5-2.5 g/square meter.
4. The utility model provides a plain weave hot air surface course panty-shape diapers which characterized in that: the bacteriostatic non-nano-scale zinc oxide dispersion slurry of claim 1 is used for surface coating, the fiber denier of the surface layer of the paper diaper is 1.2D, the surface coating is in the shape of two long-strip blade coating with the width of 10mm, the coating area accounts for 13 percent of the total area, and the coating amount is 0.8 g/square meter.
5. An adult diaper, its characterized in that: the bacteriostatic non-nanoscale zinc oxide dispersion slurry according to claim 1 is used for surface layer coating, the surface layer of the paper diaper is a spun-bonded non-woven fabric, the coating area accounts for 35% of the total area, and the coating amount is 2.4 g/square meter.
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| CN201910945177.1A CN110680950A (en) | 2019-09-30 | 2019-09-30 | Bacteriostatic non-nanoscale zinc oxide dispersion slurry and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116059131A (en) * | 2022-12-27 | 2023-05-05 | 水羊化妆品制造有限公司 | Film-forming antibacterial composition special for zinc oxide dispersion slurry, and preparation method and application thereof |
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