CN109811591A - A kind of frameless air bubble type transparent isolation cover and its application - Google Patents
A kind of frameless air bubble type transparent isolation cover and its application Download PDFInfo
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- CN109811591A CN109811591A CN201910226144.1A CN201910226144A CN109811591A CN 109811591 A CN109811591 A CN 109811591A CN 201910226144 A CN201910226144 A CN 201910226144A CN 109811591 A CN109811591 A CN 109811591A
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Abstract
The present invention provides a kind of frameless air bubble type transparent isolation cover and its application, wherein the frameless air bubble type transparent isolation cover is designed using integrated molding, isolation cover is integrally in air bubble type；The isolation cover middle and lower part is provided with operation port, reparation personnel are facilitated to operate through isolation cover to paper such as ancient books, books, calligraphy and painting, archives, by keeping apart ancient books archives paper to be repaired with reparation personnel, prevent from sucking the harmful substances such as dust, mould in repair process；Anti-fog bacteriostatic processing is carried out by isolation cover simultaneously, so that isolation cover under humidified ambient be avoided to form water mist, reparation personnel is influenced and operates, while reducing the influence of the bacterium in books, fungi to the personnel of reparation；Value with good practical application.
Description
Technical field
The invention belongs to technical field of safety protection, and in particular to a kind of frameless air bubble type transparent isolation cover and its answer
With.
Background technique
Disclosing the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without certainty
It is considered as recognizing or implying in any form that information composition has become existing skill well known to persons skilled in the art
Art.
Paper document repair platform is the dedicated for repairing the paper such as ancient books, books, calligraphy and painting, archives, energy
The working environments such as dedusting, humidification, depickling, isolation are enough provided.Ancient books archives paper saves process and generates mould, dust, acidification, crisp
Phenomena such as change, needs to repair personnel and carries out repaired by hand.During repaired by hand, there are reparation personnel to suck mould, dust, takes off
Situations such as acid solution, can generate adverse effect to the health of reparation personnel.When carrying out humidification process to brittle paper simultaneously, also
It needs to provide humidified ambient.
Summary of the invention
In view of the above shortcomings of the prior art, the present invention provides a kind of frameless air bubble type transparent isolation cover and its application,
The present invention, which can satisfy, facilitates reparation personnel to observe and operate, which is integrally formed preparation, tool using organic glass
Have good translucency, use for a long time, do not easily cause visual fatigue, designed by isolation cover, can will with repair isolation
It can guarantee that reparation personnel carry out reparation observation without dead angle while humidified ambient space, therefore there is good practical application
Value.
The present invention is achieved through the following technical solutions:
The first aspect of the invention, provides a kind of frameless air bubble type transparent isolation cover, and the frameless air bubble type is saturating
Bright isolation cover is designed using integrated molding, and isolation cover is integrally in air bubble type；The isolation cover middle and lower part is provided with operation port, side
Just it repairs personnel to operate the paper such as ancient books, books, calligraphy and painting, archives through isolation cover, by by ancient books shelves to be repaired
Case paper is kept apart with reparation personnel, prevents from sucking the harmful substances such as dust, mould in repair process；
Further, the transparent isolation cover is made of organic glass, and the material of the organic glass is polypropylene, polychlorostyrene
For paraxylene, polycarbonate, polymethyl methacrylate；Further preferably polymethyl methacrylate；It has good
Plasticity and the high grade of transparency；
Further, the organic glass carries out anti-fog bacteriostatic processing, so that isolation cover under humidified ambient be avoided to form water
Mist influences reparation personnel and operates；The influence of bacterium, fungi to the personnel of reparation in books is reduced simultaneously；
The anti-fog bacteriostatic processing method, comprising the following steps:
-- organic glass surface is pre-processed；
-- by the solution containing chitosan/titanium dioxide, coated in the pretreated organic glass surface of process and consolidated
Change processing；
-- the organic glass after solidification is dried.
Further, the organic glass preprocess method are as follows:
-- organic glass is immersed in acetone soln, and ultrasonic cleaning processing 5-10s is carried out to the organic glass；
-- organic glass is soaked in dehydrated alcohol again, and the organic glass is carried out after being ultrasonically treated processing 5-10s
Deionized water rinses drying.
Further, the solution containing chitosan/titanium dioxide it is specific the preparation method comprises the following steps:
-- chitosan solid is dissolved in acetic acid solution, under stirring, by titanium dioxide granule (partial size be 20~
40nm, preferably 30nm) it is added in solution and continues stir process, enable titanium dioxide preferably to disperse in the solution, to add
Enter lye (NaOH or KOH) and obtains white precipitate；
-- it washes with water and is precipitated to neutrality；
-- the aqueous solution of chitosan-containing and titanium dioxide is ultrasonically treated, obtains and coexists with titania nanoparticles
Chitosan particle lotion, the mixture partial size for controlling chitosan particle and titania nanoparticles is 300~400nm.
Further, the mass ratio of the chitosan and titanium dioxide granule is 1:0.1~0.5 (preferably 1:0.2)；Shell
The deacetylation of glycan is more than or equal to 95%, molecular weight 100000Da；
Sonification power is 30~50W, and sonication treatment time is 0.4~1h；
The chitosan that titania nanoparticles coexist in the chitosan particle lotion that titania nanoparticles coexist
It is 0.5~5% (preferably 1%) that grain content (w/v), which controls,；
Chitosan is the compound with hydrophilic radicals such as polyhydroxy, amino, is made with antifouling, antibacterial, automatically cleaning etc.
With inventors have found that bacteriostasis antibiosis can not only be significantly improved by being carried out nanosizing processing and in conjunction with titanium dioxide
Effect, simultaneously because its because its carry hydrophilic radical can substantially reduce film surface tension achieve the effect that it is super hydrophilic, thus
In the presence of the temperature difference vapor cannot condensation again, to play excellent anti-fog effect, meanwhile, by pretreated mode
After coating organic glass surface using solution made from the above method, the antibacterial function of organic glass is not only significantly improved
Can, while being able to maintain lasting good anti-fog effect.
Further, the coating method is spin coating, and revolving speed is 100~300rpm, and spin-coating time is 10~30s；
Further, the solidification processing method is vacuum solidification mode, the curing process specific method be 80~
Vacuum solidification handles 1~3h at 100 DEG C.
The second aspect of the invention provides the frameless air bubble type transparent isolation and covers on answering in paper document reparation
With.
Compared with prior art, beneficial effects of the present invention:
Isolation cover of the present invention is the design of frameless air bubble type, and traditional cage carries out direct splicing or benefit using transparent material
Assembled with sheet metal process production stile cooperation transparent material, there is the case where blocking sight.Frameless air bubble type design, no
It needs to splice, is integrally formed, there is no sight is blocked, provides optimal visual effect.Isolation cover has fairshaped
Lines take into account the aesthetic feeling of design while providing sufficient insulating space.
Meanwhile hydrophobic polymer of the present invention is as organic glass substrate, make after pretreatment its with containing chitosan/
The solution of titanium dioxide preferably combines, so that final product be made to have good lasting water-fast and water vapor resistance ability and antibacterial
Ability.Meanwhile this coating formula is without any small molecule auxiliary agent, and it is environmentally protective, make so as to avoid the antifog article later period
With influence of the small molecule auxiliary agent to anti-fog bacteriostatic performance in the process, therefore the value with good practical application.
Detailed description of the invention
Fig. 1 is the frameless air bubble type transparent isolation cover schematic diagram of the embodiment of the present invention 1；Wherein, cover body is isolated in 1-；2- behaviour
Make mouth.
Specific embodiment
It is noted that described further below be all exemplary, it is intended to provide further instruction to the present invention.Unless another
It indicates, all technical and scientific terms that the present invention uses have logical with general technical staff of the technical field of the invention
The identical meanings understood.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
In the specific embodiment of the present invention, a kind of frameless air bubble type transparent isolation cover is provided, it is described frameless
Air bubble type transparent isolation cover is designed using integrated molding, and isolation cover is integrally in air bubble type；The isolation cover middle and lower part is provided with
Operation port facilitates reparation personnel to be operated to paper such as ancient books, books, calligraphy and painting, archives through isolation cover, by will be to be repaired
Ancient books archives paper keep apart with reparation personnel, prevent from sucking dust, the harmful substances such as mould in repair process；
In still another embodiment of the invention, the transparent isolation cover is made of organic glass, organic glass
The material of glass is polypropylene, Parylene C, polycarbonate, polymethyl methacrylate；Further preferably poly- methyl
Methyl acrylate；It is with good plasticity and the high grade of transparency；
In still another embodiment of the invention, the organic glass carries out anti-fog bacteriostatic processing, to avoid humidifying
Isolation cover forms water mist under environment, influences reparation personnel and operates；While the bacterium in books, fungi are reduced to reparation personnel
Influence；
In still another embodiment of the invention, the anti-fog bacteriostatic processing method, comprising the following steps:
-- organic glass surface is pre-processed；
-- by the solution containing chitosan/titanium dioxide, coated in the pretreated organic glass surface of process and consolidated
Change processing；Curing process specific method is that vacuum solidification handles 1~3h at 80~100 DEG C；
-- the organic glass after solidification is dried.
In still another embodiment of the invention, the organic glass preprocess method are as follows:
-- organic glass is immersed in acetone soln, and ultrasonic cleaning processing 5-10s is carried out to the organic glass；
-- organic glass is soaked in dehydrated alcohol again, and the organic glass is carried out after being ultrasonically treated processing 5-10s
Deionized water rinses drying.By pretreatment, the grease and dirt on surface can be both removed, while can also carry out to organic glass
It is activated, is conducive to later period chitosan and titanium dioxide mixed solution large area wet hydrophobic organic glass surface, and with
The firm connection of organic glass surface, enhances persistence.It should be noted that the processing time is unsuitable too long, prevent organic glass molten
Solution；
In still another embodiment of the invention, the specific preparation method of the solution containing chitosan/titanium dioxide
Are as follows:
-- chitosan solid is dissolved in acetic acid solution, under stirring, solution relaying is added in titanium dioxide granule
Continuous stir process enables titanium dioxide preferably to disperse in the solution, lye to be added and obtains white precipitate；
-- it washes with water and is precipitated to neutrality；
-- the aqueous solution of chitosan-containing and titanium dioxide is ultrasonically treated, obtains and coexists with titania nanoparticles
Chitosan particle lotion, the mixture partial size for controlling chitosan particle and titania nanoparticles is 300~400nm.
In still another embodiment of the invention, the mass ratio of the chitosan and titanium dioxide granule be 1:0.1~
0.5 (preferably 1:0.2)；The deacetylation of chitosan is more than or equal to 95%, molecular weight 100000Da；
In still another embodiment of the invention, sonification power be 30~50W, sonication treatment time be 0.4~
1h；
In still another embodiment of the invention, dioxy in the chitosan particle lotion that titania nanoparticles coexist
Changing chitosan particle content (w/v) control that titanium nano particle coexists is 0.5~5%；
Chitosan is the compound with hydrophilic radicals such as polyhydroxy, amino, is made with antifouling, antibacterial, automatically cleaning etc.
With inventors have found that bacteriostasis antibiosis can not only be significantly improved by being carried out nanosizing processing and in conjunction with titanium dioxide
Effect, simultaneously because its because its carry hydrophilic radical can substantially reduce film surface tension achieve the effect that it is super hydrophilic, thus
Vapor cannot be played excellent antifog effect, be applied using solution made from the above method in condensation in the presence of the temperature difference
After being covered with machine glass surface, the bacteria resistance function of organic glass is not only significantly improved, while being able to maintain lasting good antifog effect
Fruit.
In still another embodiment of the invention, the coating method is spin coating, and revolving speed is 100~300rpm, spin coating
Time is 10~30s.
In still another embodiment of the invention, the solidification processing method is vacuum solidification mode.
In still another embodiment of the invention, the frameless air bubble type transparent isolation is provided covers on paper document and repair
Application in multiple.
Specific be described in detail is made to the present invention below by embodiment, it is necessary to which indicated herein to be, following embodiment is only used for
The present invention is made and is further illustrated by, should not be understood as limiting the scope of the invention, the technology in the field
Skilled person's some nonessential modifications and adaptations that content makes this according to the present invention, are regarded as protection model of the invention
It encloses.
In each embodiment, light transmittance and mist degree: testing standard GB_T2410-2008；
It is anti-fog properties: 20 DEG C of the water of 200ml is added into the beaker that capacity is 300ml, organic glass is placed on beaker mouth,
And fixed with rubber band, then this suit is seated in 5 DEG C of isoperibols, after 10min, observes film surface situation:
(1) high grade of transparency, film surface are judged to " excellent " without water droplet,
(2) preferable transparency, film surface have a small amount of water droplet, are judged to " good ",
(3) transparency is general, and film surface has part water droplet, is judged to "available",
(4) transparency is poor, and film surface has many small water droplets, is judged to " poor ".
Embodiment 1
A kind of frameless air bubble type transparent isolation cover for paper document repair platform, the frameless air bubble type are saturating
Bright isolation cover is designed using integrated molding, and isolation cover is integrally in air bubble type；The isolation cover middle and lower part is provided with operation port, every
Polymethyl methacrylate sheet material is used from cover material, polymethyl methacrylate sheet material is handled using anti-fog bacteriostatic:
(1) organic glass surface is pre-processed: organic glass is immersed in acetone soln, and to the organic glass
Carry out ultrasonic cleaning processing 5s；Organic glass is soaked in dehydrated alcohol again, and the organic glass is carried out at ultrasonic treatment
Deionized water rinses drying after managing 10s.
(2) by the solution containing chitosan/titanium dioxide, spin coating (200rpm, spin-coating time 20s) is by pre-processing
Organic glass surface and carry out vacuum solidification processing；It is that vacuum solidification is handled at 80 DEG C that vacuum solidification, which handles specific method,
2h。
Solution containing chitosan/titanium dioxide it is specific the preparation method comprises the following steps:
(2.1) 1g chitosan solid (deacetylation is more than or equal to 95%, molecular weight 100000Da) is dissolved in 100ml's
In 0.3% acetic acid solution, under stirring, 0.2g titanium dioxide granule (partial size 20nm) is added in solution and continues to stir
Processing enables titanium dioxide preferably to disperse in the solution, 0.1MNaOH lye to be added and obtains white precipitate；
(2.2) it washes with water and is precipitated to neutrality；
(2.3) aqueous solution of chitosan-containing and titanium dioxide is ultrasonically treated (sonification power 40W, ultrasound
The processing time is 30min), the chitosan particle lotion coexisted with titania nanoparticles is obtained, chitosan particle and two is controlled
The mixture partial size of Titanium dioxide nanoparticle is 300nm.Dioxy in the chitosan particle lotion that titania nanoparticles coexist
Changing chitosan particle content (w/v) control that titanium nano particle coexists is 1%.
(3) organic glass after solidification is dried.
After tested, isolation cover light transmittance is 95.5% in the present embodiment, mist degree 2.1%；Anti-fog performance is through detection first
To be excellent, the 6th month (180 days) is excellent afterwards for it；7th day bacteriostasis rate 99.2%, the 6th month (180 days) afterwards for 82.5% (with large intestine
Bacillus is aimed strain, and bacteriostasis rate is that there are the areas of bacterium on organic glass surface).
Embodiment 2
A kind of frameless air bubble type transparent isolation cover for paper document repair platform, the frameless air bubble type are saturating
Bright isolation cover is designed using integrated molding, and isolation cover is integrally in air bubble type；The isolation cover middle and lower part is provided with operation port, every
Polymethyl methacrylate sheet material is used from cover material, polymethyl methacrylate sheet material is handled using anti-fog bacteriostatic:
(1) organic glass surface is pre-processed: organic glass is immersed in acetone soln, and to the organic glass
Carry out ultrasonic cleaning processing 5s；Organic glass is soaked in dehydrated alcohol again, and the organic glass is carried out at ultrasonic treatment
Deionized water rinses drying after managing 5s.
(2) by the solution containing chitosan/titanium dioxide, spin coating (200rpm, spin-coating time 20s) is by pre-processing
Organic glass surface and carry out vacuum solidification processing；It is that vacuum solidification is handled at 90 DEG C that vacuum solidification, which handles specific method,
1.5h。
Solution containing chitosan/titanium dioxide it is specific the preparation method comprises the following steps:
(2.1) 1g chitosan solid (deacetylation is more than or equal to 95%, molecular weight 100000Da) is dissolved in 100ml's
In 0.3% acetic acid solution, under stirring, 0.5g titanium dioxide granule (partial size 40nm) is added in solution and continues to stir
Processing enables titanium dioxide preferably to disperse in the solution, 0.1M NaOH lye to be added and obtains white precipitate；
(2.2) it washes with water and is precipitated to neutrality；
(2.3) aqueous solution of chitosan-containing and titanium dioxide is ultrasonically treated (sonification power 40W, ultrasound
The processing time is 25min), the chitosan particle lotion coexisted with titania nanoparticles is obtained, chitosan particle and two is controlled
The mixture partial size of Titanium dioxide nanoparticle is 350nm.Dioxy in the chitosan particle lotion that titania nanoparticles coexist
Changing chitosan particle content (w/v) control that titanium nano particle coexists is 0.5%.
(3) organic glass after solidification is dried.
After tested, isolation cover light transmittance is 93.1% in the present embodiment, mist degree 3.6%；Anti-fog performance is through detection first
To be excellent, the 6th month (180 days) is good afterwards for it；7th day bacteriostasis rate is 96.7%, and the 6th month (180 days) afterwards for 84.5% (with big
Enterobacteria is aimed strain, and bacteriostasis rate is that there are the areas of bacterium on organic glass surface).
Embodiment 3
A kind of frameless air bubble type transparent isolation cover for paper document repair platform, the frameless air bubble type are saturating
Bright isolation cover is designed using integrated molding, and isolation cover is integrally in air bubble type；The isolation cover middle and lower part is provided with operation port, every
Polymethyl methacrylate sheet material is used from cover material, polymethyl methacrylate sheet material is handled using anti-fog bacteriostatic:
(1) organic glass surface is pre-processed: organic glass is immersed in acetone soln, and to the organic glass
Carry out ultrasonic cleaning processing 10s；Organic glass is soaked in dehydrated alcohol again, and the organic glass is carried out at ultrasonic treatment
Deionized water rinses drying after managing 5s.
(2) by the solution containing chitosan/titanium dioxide, spin coating (200rpm, spin-coating time 15s) is by pre-processing
Organic glass surface and carry out vacuum solidification processing；It is that vacuum solidification is handled at 80 DEG C that vacuum solidification, which handles specific method,
2h。
Solution containing chitosan/titanium dioxide it is specific the preparation method comprises the following steps:
(2.1) 1g chitosan solid (deacetylation is more than or equal to 95%, molecular weight 100000Da) is dissolved in 100ml's
In 0.3% acetic acid solution, under stirring, 0.3g titanium dioxide granule (partial size 30nm) is added in solution and continues to stir
Processing enables titanium dioxide preferably to disperse in the solution, 0.1M NaOH lye to be added and obtains white precipitate；
(2.2) it washes with water and is precipitated to neutrality；
(2.3) aqueous solution of chitosan-containing and titanium dioxide is ultrasonically treated (sonification power 50W, ultrasound
The processing time is 20min), the chitosan particle lotion coexisted with titania nanoparticles is obtained, chitosan particle and two is controlled
The mixture partial size of Titanium dioxide nanoparticle is 400nm；Dioxy in the chitosan particle lotion that titania nanoparticles coexist
Changing chitosan particle content (w/v) control that titanium nano particle coexists is 3%.
(3) organic glass after solidification is dried.
After tested, isolation cover light transmittance is 92.6% in the present embodiment, and mist degree is 2.8% (testing standard GB/T2410-
8)；For anti-fog performance through detection first day to be good, the 6th month (180 days) is good afterwards；7th day bacteriostasis rate is 98.2%, the 6th month
(180 days) are 80.7% (using Escherichia coli as aimed strain, bacteriostasis rate is that there are the areas of bacterium on organic glass surface) afterwards.
Experimental example 1
A kind of frameless air bubble type transparent isolation cover for paper document repair platform, the frameless air bubble type are saturating
Bright isolation cover is designed using integrated molding, and isolation cover is integrally in air bubble type；The isolation cover middle and lower part is provided with operation port, every
Polymethyl methacrylate sheet material is used from cover material, polymethyl methacrylate sheet material is handled using anti-fog bacteriostatic:
(1) organic glass surface is pre-processed: organic glass is immersed in acetone soln, and to the organic glass
Carry out ultrasonic cleaning processing 5s；Organic glass is soaked in dehydrated alcohol again, and the organic glass is carried out at ultrasonic treatment
Deionized water rinses drying after managing 10s.
(2) by the solution containing chitosan/titanium dioxide, spin coating (200rpm, spin-coating time 20s) is by pre-processing
Organic glass surface and carry out vacuum solidification processing；It is that vacuum solidification is handled at 80 DEG C that vacuum solidification, which handles specific method,
2h。
Solution containing chitosan/titanium dioxide it is specific the preparation method comprises the following steps:
(2.1) 1g chitosan solid (deacetylation is more than or equal to 95%, molecular weight 100000Da) is dissolved in 100ml's
In 0.3% acetic acid solution, under stirring, 0.2g titanium dioxide granule (partial size 20nm) is added in solution and continues to stir
Processing enables titanium dioxide preferably to disperse in the solution, 0.1M NaOH lye to be added and obtains white precipitate；
(2.2) it washes with water and is precipitated to neutrality；
(2.3) aqueous solution of chitosan-containing and titanium dioxide is ultrasonically treated (sonification power 10W, ultrasound
The processing time is 20min), the chitosan particle lotion coexisted with titania nanoparticles is obtained, chitosan particle and two is controlled
The mixture partial size of Titanium dioxide nanoparticle is 700nm.Dioxy in the chitosan particle lotion that titania nanoparticles coexist
Changing chitosan particle content (w/v) control that titanium nano particle coexists is 1%.
(3) organic glass after solidification is dried.
After tested, isolation cover light transmittance is 82.9% in the present embodiment, mist degree 4.3%；Anti-fog performance is through detection first
It is good, and the 6th month (180 days) afterwards for can；7th day bacteriostasis rate is 82.6%, and the 6th month (180 days) afterwards for 72.3% (with big
Enterobacteria is aimed strain, and bacteriostasis rate is that there are the areas of bacterium on organic glass surface).
Experimental example 2
A kind of frameless air bubble type transparent isolation cover for paper document repair platform, the frameless air bubble type are saturating
Bright isolation cover is designed using integrated molding, and isolation cover is integrally in air bubble type；The isolation cover middle and lower part is provided with operation port, every
Polymethyl methacrylate sheet material is used from cover material, polymethyl methacrylate sheet material is handled using anti-fog bacteriostatic:
(1) organic glass surface is pre-processed: organic glass is immersed in acetone soln, and to the organic glass
Carry out ultrasonic cleaning processing 5s；Organic glass is soaked in dehydrated alcohol again, and the organic glass is carried out at ultrasonic treatment
Deionized water rinses drying after managing 10s.
(2) by the solution containing chitosan/titanium dioxide, spin coating (200rpm, spin-coating time 20s) is by pre-processing
Organic glass surface and carry out vacuum solidification processing；It is that vacuum solidification is handled at 80 DEG C that vacuum solidification, which handles specific method,
2h。
Solution containing chitosan/titanium dioxide it is specific the preparation method comprises the following steps:
(2.1) 1g chitosan solid (deacetylation is more than or equal to 95%, molecular weight 100000Da) is dissolved in 100ml's
In 0.3% acetic acid solution, under stirring, 1g titanium dioxide granule (partial size 20nm) is added in solution and is continued at stirring
Reason enables titanium dioxide preferably to disperse in the solution, 0.1M NaOH lye to be added and obtains white precipitate；
(2.2) it washes with water and is precipitated to neutrality；
(2.3) aqueous solution of chitosan-containing and titanium dioxide is ultrasonically treated (sonification power 40W, ultrasound
The processing time is 30min), the chitosan particle lotion coexisted with titania nanoparticles is obtained, chitosan particle and two is controlled
The mixture partial size of Titanium dioxide nanoparticle is 300nm.Dioxy in the chitosan particle lotion that titania nanoparticles coexist
Changing chitosan particle content (w/v) control that titanium nano particle coexists is 1%.
(3) organic glass after solidification is dried.
After tested, isolation cover light transmittance is 85.1% in the present embodiment, mist degree 4.6%；Anti-fog performance is through detection first
It is good, and the 6th month (180 days) afterwards for can；7th day bacteriostasis rate is 84.6%, and the 6th month (180 days) afterwards for 69.7% (with big
Enterobacteria is aimed strain, and bacteriostasis rate is that there are the areas of bacterium on organic glass surface).
Experimental example 3
A kind of frameless air bubble type transparent isolation cover for paper document repair platform, the frameless air bubble type are saturating
Bright isolation cover is designed using integrated molding, and isolation cover is integrally in air bubble type；The isolation cover middle and lower part is provided with operation port, every
Polymethyl methacrylate sheet material is used from cover material, polymethyl methacrylate sheet material is handled using anti-fog bacteriostatic:
(1) organic glass surface is pre-processed: organic glass is immersed in acetone soln, and to the organic glass
Carry out ultrasonic cleaning processing 5s；Organic glass is soaked in dehydrated alcohol again, and the organic glass is carried out at ultrasonic treatment
Deionized water rinses drying after managing 10s.
(2) by the solution containing titanium dioxide, spin coating (200rpm, spin-coating time 20s) is by pretreated organic
Glass surface simultaneously carries out vacuum solidification processing.It is that vacuum solidification handles 2h at 80 DEG C that vacuum solidification, which handles specific method,.
Solution containing titanium dioxide it is specific the preparation method comprises the following steps:
0.2g titanium dioxide granule (partial size 20nm) is added to the water is ultrasonically treated (sonification power 40W,
Sonication treatment time is 30min), titanium dioxide granule content (w/v) control is 1% in titania nanoparticles lotion.
(3) organic glass after solidification is dried.
After tested, isolation cover light transmittance is 82.5% in the present embodiment, mist degree 5.1%；Anti-fog performance is through detection first
It for can, the 6th month (180 days) afterwards to be poor；7th day bacteriostasis rate 90.2%, the 6th month (180 days) afterwards for 35.5% (with large intestine
Bacillus is aimed strain, and bacteriostasis rate is that there are the areas of bacterium on organic glass surface).
It should be noted that above example is only used to illustrate the technical scheme of the present invention rather than is limited.Although ginseng
It is described the invention in detail according to given example, but those skilled in the art can be as needed to this hair
Bright technical solution is modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention.
Claims (10)
1. a kind of frameless air bubble type transparent isolation cover, which is characterized in that the frameless air bubble type transparent isolation cover uses one
Body molded design, isolation cover are integrally in air bubble type；The isolation cover middle and lower part is provided with operation port.
2. frameless air bubble type transparent isolation cover as described in claim 1, which is characterized in that the transparent isolation cover, which uses, to be had
Machine glass is made, and the material of the organic glass is polypropylene, Parylene C, polycarbonate, poly-methyl methacrylate
Ester；Preferably polymethyl methacrylate.
3. frameless air bubble type transparent isolation cover as claimed in claim 2, which is characterized in that the organic glass carries out antifog
Antibacterial processing.
4. frameless air bubble type transparent isolation cover as claimed in claim 3, which is characterized in that the anti-fog bacteriostatic processing side
Method, comprising the following steps:
-- organic glass surface is pre-processed；
-- by the solution containing chitosan/titanium dioxide, coated in the pretreated organic glass surface of process and carry out at solidification
Reason；
-- the organic glass after solidification is dried.
5. frameless air bubble type transparent isolation cover as claimed in claim 4, which is characterized in that the organic glass pretreatment side
Method are as follows:
-- organic glass is immersed in acetone soln, and ultrasonic cleaning processing 5-10s is carried out to the organic glass；
-- organic glass is soaked in dehydrated alcohol again, and to the organic glass carry out ultrasonic treatment processing 5-10s after go from
Sub- water rinses drying.
6. frameless air bubble type transparent isolation cover as claimed in claim 4, which is characterized in that described to contain chitosan/dioxy
The solution for changing titanium it is specific the preparation method comprises the following steps:
-- chitosan solid is dissolved in acetic acid solution, under stirring, by titanium dioxide granule (partial size be 20~40nm,
Preferably 30nm) it is added in solution and continues stir process, lye is added and obtains white precipitate；
-- it washes with water and is precipitated to neutrality；
-- the aqueous solution of chitosan-containing and titanium dioxide is ultrasonically treated, it is poly- to obtain the shell coexisted with titania nanoparticles
Sugared grain emulsion, the mixture partial size for controlling chitosan particle and titania nanoparticles is 300~400nm.
7. frameless air bubble type transparent isolation cover as claimed in claim 4, which is characterized in that the chitosan and titanium dioxide
The mass ratio of particle is 1:0.1~0.5 (preferably 1:0.2)；The deacetylation of chitosan is more than or equal to 95%, and molecular weight is
100000Da；
Sonification power is 30~50W, and sonication treatment time is 0.4~1h；
The chitosan particle that titania nanoparticles coexist in the chitosan particle lotion that titania nanoparticles coexist contains
Measuring (w/v) control is 0.5~5%.
8. frameless air bubble type transparent isolation cover as claimed in claim 4, which is characterized in that the coating method is spin coating,
Revolving speed is 100~300rpm, and spin-coating time is 10~30s.
9. frameless air bubble type transparent isolation cover as claimed in claim 4, which is characterized in that the solidification processing method is true
Empty curing mode, vacuum solidification handles 1~3h preferably at 80~100 DEG C for vacuum solidification processing.
10. any one of the claim 1-9 frameless air bubble type transparent isolation covers on the application in paper document reparation.
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