CN110669448A - Fixable degradable antibacterial stain-resistant medical tablecloth and manufacturing method thereof - Google Patents
Fixable degradable antibacterial stain-resistant medical tablecloth and manufacturing method thereof Download PDFInfo
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- CN110669448A CN110669448A CN201910856106.4A CN201910856106A CN110669448A CN 110669448 A CN110669448 A CN 110669448A CN 201910856106 A CN201910856106 A CN 201910856106A CN 110669448 A CN110669448 A CN 110669448A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G13/00—Operating tables; Auxiliary appliances therefor
- A61G13/10—Parts, details or accessories
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- D—TEXTILES; PAPER
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
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- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
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- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
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- D06M15/244—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons
- D06M15/256—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of halogenated hydrocarbons containing fluorine
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- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
- D06M15/277—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof containing fluorine
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- C09J2400/20—Presence of organic materials
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Abstract
The invention provides a fixable degradable antibacterial stain-resistant medical tablecloth and a manufacturing method thereof. The fixable, degradable, antibacterial and stain-resistant medical tablecloth comprises an antibacterial layer, a waterproof layer and a surface layer, wherein the antibacterial layer is located on the uppermost layer, the middle layer is the waterproof layer, medical pressure-sensitive adhesive is pasted on the periphery of the lower surface of the surface layer, which is in contact with an operating table, and adhesive layer strips are covered by release paper, two groups of binding bands with magic tapes are arranged at four corners of the tablecloth, each binding band comprises a burred surface and a fluff surface, and the burred surface is arranged on the other side of the fluff surface. The fixable degradable antibacterial stain-resistant medical tablecloth is simple in structure, reasonable in design, good in antibacterial and antiviral performance, high in biodegradation rate, good in fixing effect, simple in manufacturing method steps, convenient to operate and beneficial to popularization and application.
Description
Technical Field
The invention belongs to the field of medical appliances, and particularly relates to a fixable degradable antibacterial stain-resistant medical tablecloth and a manufacturing method thereof.
Background
Many diseases today need to be treated by means of an operation, and a patient must lay a medical table cloth on an operation table during the operation process to ensure the cleanness of the table top. The blood and body fluid of the patient inevitably permeate the medical tablecloth in the operation process, so that the overflowing tablecloth flows onto an operation table and the ground of an operation room, and the blood and body fluid of the patient carry various bacteria and viruses, thereby easily causing cross infection to the patient and harming the health of the patient. Therefore, there is a need for an antimicrobial and stain resistant medical tablecloth.
The existing medical tablecloth is not easy to degrade, and bacteria and viruses infected on the tablecloth can enter the ambient air, which causes burden to the environment. Therefore, there is a need for a degradable medical tablecloth.
In addition, during the operation, the medical tablecloth will be wrinkled or moved by the patient moving, which affects the work of the medical staff and the operation, therefore, a medical tablecloth capable of being fixed is needed.
Disclosure of Invention
In order to solve the problems, the invention provides the medical tablecloth capable of being fixed, degradable, antibacterial and stain-resistant and the manufacturing method of the medical tablecloth capable of being fixed, degradable, antibacterial and stain-resistant.
The technical scheme is as follows: in order to overcome the defects in the prior art, the invention provides a fixable, degradable, antibacterial and stain-resistant medical tablecloth which comprises an antibacterial layer, a waterproof layer and a surface layer, wherein the antibacterial layer is positioned on the uppermost layer, the middle layer is the waterproof layer, medical pressure-sensitive adhesive is adhered to the periphery of the lower surface of the surface layer, which is in contact with an operating table, adhesive layer strips covered by release paper are adhered to the periphery of the lower surface of the surface layer, two groups of binding bands with magic tapes are arranged at four corners of the tablecloth, each binding band comprises a burred surface and a fluff surface, and the burred surface is arranged. Tear during the use and leave type paper, the medical pressure sensitive adhesive and the operating table bonding of adhesion can be passed through to tablecloth top layer lower surface, can fix medical tablecloth on operation table face, and the cooperation is pasted in the operating table bottom to the bandage accessible magic subsides of four bights of tablecloth, and the unsettled part of fixed tablecloth avoids being influenced doctor's operation by the static action that people's walking about messenger tablecloth produced to drive the tablecloth, and this kind of tablecloth is fixed effectual, uses and dismantles the convenience.
Further, the surface of the antibacterial layer is sprayed with an antibacterial agent, and the antibacterial agent comprises the following components in parts by weight: 3-5 parts of nano silver particles, 0.1-6 parts of nano titanium dioxide, 0.5-3 parts of antibacterial peptide, 11-20 parts of acrylic resin, 15-40 parts of ethanol and 25-55 parts of deionized water. The nano silver particles, the titanium dioxide and the antibacterial peptide in the antibacterial agent have the sterilization and disinfection effects, the mixing has the synergistic effect, the acrylic resin has the adhesion effect, the ethanol can serve as a solvent and also has the sterilization and disinfection effects, the obtained antibacterial agent has a good antibacterial function, and the safety in the operation process can be guaranteed.
Furthermore, the nano-silver particles are also wrapped by beta-cyclodextrin, and the weight ratio of the beta-cyclodextrin to the nano-silver particles is 25: 1. The nano silver is easy to complex, agglomerate or dissolve in the using process, and the antibacterial performance of the nano silver is further influenced. The better the dispersibility of the nano silver, the less easy the nano silver particles to aggregate, the higher the contact probability with microorganisms, and the better the antibacterial performance. The beta-cyclodextrin can improve the stability and the dispersibility of the particles and enhance the antibacterial activity of the nano silver particles and the nano titanium dioxide.
Further, the waterproof layer comprises the following components in parts by weight: 10-20 parts of polyperfluoro acrylic resin, 5-10 parts of polytetrafluoroethylene, 20-40 parts of polyethylene wax particles, 5-15 parts of calcium carbonate powder and 15-60 parts of absolute ethyl alcohol. The polytetrafluoroethylene has small surface tension and is not easy to adhere impurities, thereby keeping the surface of the operation table clean.
Further, the surface layer is a degradable film layer, and the degradable film is composed of the following components in parts by weight: 25-35 parts of poly (propylene glycol glutarate), 10-70 parts of corn starch, 10-20 parts of polyvinyl alcohol, 5-10 parts of silicone oil, 10-15 parts of propylene glycol and 5-15 parts of calcium carbonate powder. The selected degradable material is environment-friendly, nontoxic and harmless, low in cost, simple in process and excellent in performance. The degradable film prepared by the proportion has high biodegradation rate.
Furthermore, the surface of the antibacterial layer is sprayed with a diluent of Chinese herbal medicine extracting solution, and the Chinese herbal medicine extracting solution is prepared from the following raw materials in parts by weight: 10-20g of poria cocos, 1-5g of dried orange peel, 5-15g of honeysuckle, 5-15g of meadowrue root and rhizome, 10-15g of fructus forsythiae, 5-10g of Chinese gall, 10-15g of swamp mahogany and 40-60ml of absolute alcohol. The Chinese herbal medicine of the Chinese herbal medicine extracting solution has a sterilization and disinfection effect, and the absolute alcohol not only serves as a solvent but also has a disinfection function.
Furthermore, the antibacterial layer on the surface of the tablecloth is provided with a liquid guide groove and a leakage-proof side edge. The drainage groove can guide blood and body fluid, and the leakage-proof side edge can prevent the blood and the body fluid from overflowing and keep the operation table top clean.
Furthermore, the interval of the liquid guide grooves is at least 3mm, and the depth of the liquid guide grooves is at least 2 mm.
Furthermore, the tablecloth surface layer, the waterproof layer and the antibacterial layer are compounded by adopting a film pressing compounding or hot melting bonding mode.
Further, the manufacturing method of the fixable, degradable, antibacterial and stain-resistant medical tablecloth comprises the following steps:
(1) preparing a degradable film: mixing all the components in proportion, adding the mixture into a crusher, crushing the mixture, adding the crushed mixture into a double-screw extruder, extruding and granulating the mixture to obtain degradable master batches, and performing blow molding on the degradable master batches by a film blow molding machine to obtain a degradable film, namely a surface layer;
(2) preparation of the antibacterial agent: wrapping beta-cyclodextrin with nano silver particles according to a ratio, adding into a mixed solution prepared from nano titanium dioxide, antibacterial peptide, acrylic resin, ethanol and deionized water according to a ratio, and stirring for 3h at 80-100rpm/min to obtain the antibacterial agent;
(3) impressing the non-woven fabric into the liquid guide groove through impressing equipment, cooling the surface temperature of the non-woven fabric to normal temperature, spraying the antibacterial agent on the surface of the non-woven fabric, and drying in a 50 ℃ oven for 24 hours to obtain an antibacterial layer;
(4) preparing a Chinese herbal medicine extracting solution: mixing and soaking Poria cocos, dried orange peel, honeysuckle, meadowrue root and rhizome, fructus forsythiae, Chinese gall, swamp mahogany and absolute alcohol according to a weight ratio for 25 days, filtering decoction dregs, and filtering to obtain a liquid, namely a Chinese herbal medicine extracting solution, wherein deionized water with the weight ratio of 1:45 is added into the extracting solution to obtain a diluent of the extracting solution;
(5) preparing a waterproof layer: adding the polyperfluoro acrylic resin, the polytetrafluoroethylene, the polyethylene wax particles and the calcium carbonate powder into absolute ethyl alcohol according to the proportion, stirring for 3 hours under the condition of 80-100rpm/min to obtain a polytetrafluoroethylene mixed coating, uniformly spraying the mixed coating on the surface of non-woven fabric, and drying for 24 hours in an oven at 50 ℃ to obtain a waterproof layer;
(6) compounding the tablecloth surface layer, the waterproof layer and the antibacterial layer by adopting a film pressing compounding or hot melting bonding mode to obtain the tablecloth;
(7) the contact part of the periphery of the tablecloth and the operating table is stuck with medical pressure-sensitive adhesive, and the bottom of the pressure-sensitive adhesive is covered by release paper;
(8) two pairs of binding bands with magic tapes are fixed at four corners of the tablecloth, and the burred surface is arranged at the other side of the fluff surface;
(9) spraying a diluent of the Chinese herbal medicine extracting solution on the surface of the antibacterial layer, and drying in a 50 ℃ oven for 24 hours to obtain the medical tablecloth.
Has the advantages that: compared with the prior art, the invention has the following advantages: the fixable degradable antibacterial stain-resistant medical tablecloth and the manufacturing method thereof have the advantages of simple structure, reasonable design, good antibacterial and antiviral performance, high biodegradation rate and good fixing effect, and the manufacturing method of the fixable degradable antibacterial stain-resistant medical tablecloth has simple steps and convenient operation and is beneficial to popularization and application.
Drawings
FIG. 1 is a schematic view of a medical tablecloth according to the present invention;
fig. 2 is a schematic view of the structure of the lower surface of the surface layer according to the present invention.
In the figure: 1 antibacterial layer, 11 drainage grooves, 2 waterproof layers, 3 surface layers, 4 binding bands, 41 burr surfaces, 42 fluff surfaces, 5 back adhesive layers, 51 pressure-sensitive adhesive and 52 release paper.
Detailed Description
The invention will be further elucidated by means of several specific examples, which are intended to be illustrative only and not limiting.
Example 1
The utility model provides a can fix antibiotic resistant dirty medical tablecloth of degradable, includes antibiotic layer 1, waterproof layer 2 and top layer 3, adopt press mold complex or hot melt bonding mode complex to form between tablecloth top layer 3, waterproof layer 2 and the antibiotic layer 1. The antibacterial layer 1 is positioned on the uppermost layer, the antibacterial layer 1 is provided with liquid guide grooves 11 and leakage-proof side edges, the interval of the liquid guide grooves 11 is at least 3mm, and the depth is at least 2 mm; the middle layer is a waterproof layer 2, and the waterproof layer 2 is a polytetrafluoroethylene layer; the medical pressure-sensitive adhesive 51 is pasted on the periphery of the lower surface of the surface layer 3, which is in contact with an operating table, and the adhesive layer strips 5 are covered by release paper 52, two groups of binding bands 4 with magic tapes are arranged at four corners of the tablecloth, each binding band 4 comprises a burr surface 41 and a fluff surface 42, and the burr surface 41 is arranged on the other side of the fluff surface 42.
A manufacturing method of a fixable degradable antibacterial stain-resistant medical tablecloth comprises the following steps:
(1) preparing a degradable film: mixing 25 parts of poly (propylene glycol glutarate), 10 parts of corn starch, 10 parts of polyvinyl alcohol, 5 parts of silicone oil, 10 parts of propylene glycol and 5 parts of calcium carbonate powder, adding the mixture into a crusher, crushing the mixture, adding the crushed mixture into a double-screw extruder, and performing extrusion granulation to obtain degradable master batches, wherein the degradable master batches are subjected to blow molding by a film blow molding machine to obtain a degradable film, namely the surface layer 3;
(2) preparation of the antibacterial agent: preparing a mixed solution from 3 parts of nano silver particles, 75 parts of beta-cyclodextrin, 0.1 part of nano titanium dioxide, 0.5 part of antibacterial peptide, 20 parts of acrylic resin, 40 parts of ethanol and 36.4 parts of deionized water, and stirring for 3 hours at the speed of 80-100rpm/min to obtain the antibacterial agent;
(3) impressing the non-woven fabric into the liquid guide groove 11 through impressing equipment, cooling the surface temperature of the non-woven fabric to normal temperature, spraying an antibacterial agent on the surface of the non-woven fabric, and drying in a 50 ℃ oven for 24 hours to obtain an antibacterial layer 1;
(4) preparing a Chinese herbal medicine extracting solution: mixing and soaking 10g of poria cocos, 1g of dried orange peel, 5g of honeysuckle, 5g of meadowrue root and rhizome, 10g of fructus forsythiae, 5g of Chinese gall, 10g of swamp mahogany and 40ml of absolute alcohol for 25 days, filtering dregs of a decoction, and filtering to obtain a liquid, namely a Chinese herbal medicine extracting solution, wherein deionized water with the weight ratio of 1:45 is added into the extracting solution to obtain a diluent of the extracting solution;
(5) preparation of the waterproof layer 2: adding 10 parts of polyperfluoro acrylic resin, 5 parts of polytetrafluoroethylene, 20 parts of polyethylene wax particles and 5 parts of calcium carbonate powder into 60 parts of absolute ethyl alcohol, stirring for 3 hours under the condition of 80-100rpm/min to obtain a polytetrafluoroethylene mixed coating, uniformly spraying the mixed coating on the surface of non-woven fabric, and drying for 24 hours in a 50 ℃ oven to obtain a waterproof layer 2;
(6) compounding the tablecloth surface layer 3, the waterproof layer 2 and the antibacterial layer 1 by adopting a film pressing compounding or hot melting bonding mode to obtain tablecloth;
(7) the contact part of the periphery of the tablecloth and the operating table is stuck with a medical pressure-sensitive adhesive 51, and the bottom of the pressure-sensitive adhesive 51 is covered by release paper 52;
(8) two binding bands 4 with magic tapes are fixed at four corners of the tablecloth, and the burred surface 41 is arranged at the other side of the fluff surface 42;
(9) spraying a diluent of the Chinese herbal medicine extracting solution on the surface of the antibacterial layer, and drying in a 50 ℃ oven for 24 hours to obtain the medical tablecloth.
Example 2
The weight ratio of the antibacterial agent, the degradable film component, the Chinese herbal medicine extract component and the waterproof layer component in the embodiment is as follows, other components and the content thereof are the same as those of the corresponding components and the content thereof in the embodiment 1, and the manufacturing method is completely the same with other steps except that the content of the components is changed.
The degradable film consists of the following components in parts by weight: 35 parts of poly (propylene glycol glutarate), 70 parts of corn starch, 20 parts of polyvinyl alcohol, 10 parts of silicone oil, 15 parts of propylene glycol and 15 parts of calcium carbonate powder;
the antibacterial agent comprises the following components in parts by weight: 5 parts of nano silver particles, 125 parts of beta-cyclodextrin, 6 parts of nano titanium dioxide, 3 parts of antibacterial peptide, 20 parts of acrylic resin, 40 parts of ethanol and 26 parts of deionized water;
the Chinese herbal medicine extract comprises the following raw materials in parts by weight: 20g of poria cocos, 5g of dried orange peel, 15g of honeysuckle, 15g of meadowrue root and rhizome, 15g of fructus forsythiae, 10g of Chinese gall, 15g of swamp mahogany and 60ml of absolute alcohol;
the waterproof layer comprises the following components in parts by weight: 20 parts of polyperfluoro acrylic resin, 10 parts of polytetrafluoroethylene, 40 parts of polyethylene wax particles, 15 parts of calcium carbonate powder and 15 parts of absolute ethyl alcohol.
Example 3
The weight ratio of the antibacterial agent, the degradable film component, the Chinese herbal medicine extract component and the waterproof layer in the embodiment is as follows, other components and the content thereof are the same as those of the corresponding components and the content thereof in the embodiment 1, and the manufacturing method is completely the same with other steps except that the content of the components is changed.
The degradable film consists of the following components in parts by weight: 30 parts of poly (propylene glycol glutarate), 40 parts of corn starch, 15 parts of polyvinyl alcohol, 7 parts of silicone oil, 13 parts of propylene glycol and 10 parts of calcium carbonate powder;
the antibacterial agent comprises the following components in parts by weight: 4 parts of nano silver particles, 100 parts of beta-cyclodextrin, 3 parts of nano titanium dioxide, 2 parts of antibacterial peptide, 15 parts of acrylic resin, 25 parts of ethanol and 51 parts of deionized water;
the Chinese herbal medicine extract comprises the following raw materials in parts by weight: 15g of poria cocos, 5g of dried orange peel, 10g of honeysuckle, 10g of meadowrue root and rhizome, 12g of fructus forsythiae, 7.5g of Chinese gall, 13g of swamp mahogany and 50ml of absolute alcohol;
the polytetrafluoroethylene layer comprises the following components in parts by weight: 15 parts of polyperfluoro acrylic resin, 7 parts of polytetrafluoroethylene, 30 parts of polyethylene wax particles, 10 parts of calcium carbonate powder and 38 parts of absolute ethyl alcohol.
Example 4
The antibacterial agent in this example did not contain β -cyclodextrin, and the other components and their contents were the same as those of the corresponding example 2, and the manufacturing method was completely the same except that β -cyclodextrin was not contained in the preparation of the antibacterial agent.
Example 5
In this example, no diluent of the herbal extract was added, and the other components and their contents were the same as those of the corresponding components and their contents in example 2, and the manufacturing method was completely the same except that the step of adding and preparing the diluent of the herbal extract was not included.
And (3) testing antibacterial performance:
the antibacterial properties of examples 1 to 3 and comparative examples 4 to 5 of the medical tablecloth were tested according to GB15979-2002, and the experimental strains: escherichia coli, Candida albicans, Staphylococcus aureus; experimental materials: nutrient agar, normal saline; the experimental method comprises the following steps: sterilization specifications (2002 edition);
the sterilization rate was tested 24h after the experiment, and the test results are shown in table 1:
TABLE 1 examples of medical tablecloths and results of the comparative tests on antibacterial performance
| Strain name | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 |
| Escherichia coli | 95.3％ | 99.9％ | 98.6％ | 86.1％ | 78.1％ |
| Candida albicans | 96.1％ | 99.9％ | 97.1％ | 81.7％ | 82.3％ |
| Staphylococcus aureus | 96.5％ | 99.7％ | 99.1％ | 80.2％ | 70％ |
As can be seen from Table 1, the antibacterial agent used in combination with the diluent of the herbal extract according to the present invention as an antibacterial ingredient can effectively improve the antibacterial performance of the medical tablecloth, and the addition of beta-cyclodextrin to the antibacterial agent according to the present invention effectively enhances the antibacterial activity of the antibacterial agent.
And (3) testing the biodegradation rate of the degradable film: the biodegradable rate of the degradable film was measured according to the label ISO 16949(2013), the degradable film obtained in step (1) of examples 1-3 and the common PE plastic film used in the comparative example were buried in soil at room temperature, and the degradation rate was measured after a certain period of time, and the test results are shown in table 2:
table 2 degradable film examples and comparative biodegradability test results
| Examples | Degradation rate of 60 days | Degradation rate of 100 days |
| Example 1 | 25％ | 45％ |
| Example 2 | 45％ | 75％ |
| Example 3 | 35％ | 60％ |
| Common |
7％ | 10％ |
As shown in Table 2, the degradable film used in the invention has high degradability, is green and environment-friendly, and does not pollute the environment.
The foregoing is directed to embodiments of the present invention and it is understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a can fix antibiotic resistant dirty medical tablecloth of degradable which characterized in that: the tablecloth comprises an antibacterial layer (1), a waterproof layer (2) and a surface layer (3), wherein the antibacterial layer (1) is located on the uppermost layer, the middle layer is the waterproof layer (2), medical pressure-sensitive adhesive (51) is pasted on the periphery of the lower surface of the surface layer (3) and the contact part of an operating table, adhesive layer strips (5) covered by release paper (52) are used, two groups of binding bands (4) with magic pastes are arranged at four corners of the tablecloth, each binding band (4) comprises a burred surface (41) and a fluff surface (42), and the fluff surface (41) is arranged on the other side of the fluff surface (42).
2. The fixable, degradable, antibacterial and stain-resistant medical tablecloth of claim 1, wherein: the surface of the antibacterial layer (1) is sprayed with an antibacterial agent, and the antibacterial agent comprises the following components in parts by weight: 3-5 parts of nano silver particles, 0.1-6 parts of nano titanium dioxide, 0.5-3 parts of antibacterial peptide, 11-20 parts of acrylic resin, 15-40 parts of ethanol and 25-55 parts of deionized water.
3. The fixable, degradable, antibacterial and stain-resistant medical tablecloth of claim 2, wherein: the nano silver particles are also wrapped by beta-cyclodextrin, and the weight ratio of the beta-cyclodextrin to the nano silver particles is 25: 1.
4. The fixable, degradable, antibacterial and stain-resistant medical tablecloth of claim 1, wherein: the waterproof layer (2) is composed of the following components in parts by weight: 10-20 parts of polyperfluoro acrylic resin, 5-10 parts of polytetrafluoroethylene, 20-40 parts of polyethylene wax particles, 5-15 parts of calcium carbonate powder and 15-60 parts of absolute ethyl alcohol.
5. The fixable, degradable, antibacterial and stain-resistant medical tablecloth of claim 1, wherein: the surface layer (3) is a degradable film layer, and the degradable film is composed of the following components in parts by weight: 25-35 parts of poly (propylene glycol glutarate), 10-70 parts of corn starch, 10-20 parts of polyvinyl alcohol, 5-10 parts of silicone oil, 10-15 parts of propylene glycol and 5-15 parts of calcium carbonate powder.
6. The fixable, degradable, antibacterial and stain-resistant medical tablecloth according to any one of claims 1 to 5, wherein: the surface of the antibacterial layer (1) is sprayed with a diluent of Chinese herbal medicine extracting solution, and the Chinese herbal medicine extracting solution is prepared from the following raw materials in parts by weight: 10-20g of poria cocos, 1-5g of dried orange peel, 5-15g of honeysuckle, 5-15g of meadowrue root and rhizome, 10-15g of fructus forsythiae, 5-10g of Chinese gall, 10-15g of swamp mahogany and 40-60ml of absolute alcohol.
7. The fixable, degradable, antibacterial and stain-resistant medical tablecloth of claim 6, wherein: the antibacterial layer (1) on the surface of the tablecloth is provided with a liquid guide groove (11) and a leakage-proof side edge.
8. The fixable, degradable, antibacterial and stain-resistant medical tablecloth of claim 7, wherein: the interval of the drainage grooves (11) is at least 3mm, and the depth is at least 2 mm.
9. The fixable, degradable, antibacterial and stain-resistant medical tablecloth of claim 1, wherein: the tablecloth surface layer (3), the waterproof layer (2) and the antibacterial layer (1) are compounded by adopting a film pressing compounding or hot melting bonding mode.
10. A manufacturing method of a fixable degradable antibacterial stain-resistant medical tablecloth is characterized by comprising the following steps: the method comprises the following steps:
(1) preparing a degradable film: mixing 25-35 parts of poly (propylene glycol glutarate), 10-70 parts of corn starch, 10-20 parts of polyvinyl alcohol, 5-10 parts of silicone oil, 10-15 parts of propylene glycol and 5-15 parts of calcium carbonate powder according to a weight ratio, adding into a pulverizer, pulverizing, adding into a double-screw extruder, extruding and granulating to obtain degradable master batches, and blow molding the degradable master batches by a film blow molding machine to obtain a degradable film, namely the surface layer (3);
(2) preparation of the antibacterial agent: wrapping beta-cyclodextrin by 3-5 parts of nano silver particles according to the weight ratio of 25:1, adding 0.1-6 parts of nano titanium dioxide, 0.5-3 parts of antibacterial peptide, 11-20 parts of acrylic resin, 15-40 parts of ethanol and 25-55 parts of deionized water into a mixed solution prepared according to the weight ratio, and stirring for 3 hours under the condition of 80-100rpm/min to obtain the antibacterial agent;
(3) impressing the non-woven fabric into the liquid guide groove (11) through impressing equipment, cooling the surface temperature of the non-woven fabric to normal temperature, spraying the antibacterial agent on the surface of the non-woven fabric, and drying in a 50 ℃ oven for 24 hours to obtain the antibacterial layer (1);
(4) preparing a Chinese herbal medicine extracting solution: mixing and soaking 10-20g of poria cocos, 1-5g of dried orange peel, 5-15g of honeysuckle, 5-15g of meadowrue root and rhizome, 10-15g of fructus forsythiae, 5-10g of Chinese gall, 10-15g of swamp mahogany and 40-60ml of absolute alcohol for 25 days according to a weight ratio, filtering decoction dregs, and filtering to obtain a liquid, namely a Chinese herbal medicine extracting solution, wherein deionized water with the weight ratio of 1:45 is added into the extracting solution to obtain a diluent of the extracting solution;
(5) preparation of the waterproof layer (2): adding 10-20 parts of polyperfluoro acrylic resin, 5-10 parts of polytetrafluoroethylene, 20-40 parts of polyethylene wax particles and 5-15 parts of calcium carbonate powder into 15-60 parts of absolute ethyl alcohol according to the weight ratio, stirring for 3 hours under the condition of 80-100rpm/min to obtain a polytetrafluoroethylene mixed coating, uniformly spraying the mixed coating on the surface of non-woven fabric, and drying for 24 hours in an oven at 50 ℃ to obtain a waterproof layer (2);
(6) compounding the tablecloth surface layer (3), the waterproof layer (2) and the antibacterial layer (1) by adopting a film pressing compounding or hot melting bonding mode to obtain the tablecloth;
(7) the contact part of the periphery of the tablecloth and the operating table is stuck with a medical pressure-sensitive adhesive (51), and the bottom of the pressure-sensitive adhesive (51) is covered by release paper (52);
(8) two pairs of binding bands (4) with magic tapes are fixed at four corners of the tablecloth, and the burr surface (41) is arranged at the other side of the fluff surface (42);
(9) spraying a diluent of the Chinese herbal medicine extracting solution on the surface of the antibacterial layer, and drying in a 50 ℃ oven for 24 hours to obtain the medical tablecloth.
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