CN106679307B

CN106679307B - A kind of plate, the refrigerator with sterilization liner and the production method for sterilizing liner

Info

Publication number: CN106679307B
Application number: CN201611237092.0A
Authority: CN
Inventors: 戴建斌; 李鹏; 贾振飞; 王海娟
Original assignee: Qingdao Haier Co Ltd
Current assignee: Qingdao Haier Co Ltd
Priority date: 2016-12-28
Filing date: 2016-12-28
Publication date: 2019-05-31
Anticipated expiration: 2036-12-28
Also published as: CN106679307A

Abstract

The invention discloses a kind of plate, the refrigerator with sterilization liner and the production methods for sterilizing liner, and wherein plate or a liner at least surface have the Ag-TiO to sterilize₂Particle, the Ag-TiO in the present invention on plate₂Particle is by nanometer Ag material and TiO₂The sterilization mechanism progress of material is compound, has stronger bactericidal effect and bactericidal range, can inhibit bacterial growth to a greater extent by using the sterilization liner of the board making refrigerator, reduce the quantity of refrigerator inside bacterium.

Description

A kind of plate, the refrigerator with sterilization liner and the production method for sterilizing liner

Technical field

The present invention relates to household electrical appliance production field more particularly to a kind of plates, the refrigerator with sterilization liner and sterilization The production method of liner.

Background technique

Refrigerator has become household electrical appliance indispensable in daily life, provides a great convenience for user's life, with Improvement of living standard, requirement of the user to refrigerator functions is higher and higher, and on the basis of common fresh-keeping refrigeration, user wishes ice It can keep so refrigerator inside being required to have to avoid regular internal cleaning with more clean environment for a long time inside case There is the ability of automatic antibacterial or sterilization.

Currently, in order to reduce the microorganisms such as refrigerator inside bacterium to storage food influence, domestic refrigerator antibacterial, sterilization Technology predominantly stays in some traditional modes, and the prior art is usually in refrigerator inside bactericidal device to be arranged or by refrigerator The material of specific region is set as anti-biotic material, however has the following deficiencies in the prior art:

Antibacterial or sterilization are carried out using bactericidal device (such as ion generator, ozone generator), although can achieve one Fixed antibacterial or bactericidal effect, but cannot be guaranteed the persistence of degerming；And bactericidal device will increase energy consumption, occupy refrigerator The storage space of refrigerator is reduced in inner space；Part has refrigerator (such as the ice by ozone generator antibacterial of bactericidal device Case) it is internal also have peculiar smell generation, influence user's normal use.

In addition, some refrigerater antibiotic effects for being provided with anti-biotic material of tradition are also than relatively limited, and it is limited only to resist Bacterium can not realize sterilization (sterilization is not equal to antibacterial), the mushroom that accidentally introduces of outside refrigerator inside still can be with Existence.

In view of this, it is necessary to provide a kind of refrigerators with sterilization liner to solve the above problems.

Summary of the invention

The present invention is directed at least solve one of technical problem of the existing technology, for achieving the above object, this hair Bright to provide firstly a kind of refrigerator sterilization liner, specific design method is as follows.

The present invention also provides the production methods of refrigerator sterilization liner comprising following steps:

S1, preparation nanometer Ag material, prepare nanometer Ag colloidal sol using chemical reduction method, use NaBH4 as reducing agent, compound Acid is used as protective agent, and PEG generates nanometer Ag colloidal sol, i.e. nanometer Ag material as reducing agent and stabilizer, by reaction；

S2, Ag-TiO is prepared on the basis of nanometer Ag material₂Butyl titanate is dissolved in anhydrous second under room temperature by material In alcohol, mixed liquor will be obtained and be slowly added dropwise into nanometer Ag colloidal sol, stirred 40 minutes at a temperature of being placed in 70 DEG C, then instill acid catalysis Agent then proceedes to stir 4h at a temperature of 70 DEG C, finally stirs the two day time of aging at normal temperature, nanometer Ag-TiO can be obtained₂ Colloidal materials, i.e. Ag-TiO₂Material；

S3, preparation have Ag-TiO₂The plate of particle；

S4, there will be Ag-TiO₂The sterilization liner, the sterilization is made in the plate of particle by way of adsorption forming The inner surface of liner has Ag-TiO₂Particle.

Further, the sterilization liner is made of plastic material, and the step S3 includes: that plastic material is passed through extruding It is shaped to plate, by the Ag-TiO before the plate extrusion forming₂Material is mixed with the plastic material, or in institute Plate forming is stated later for the Ag-TiO₂Material is coated or is overlayed in one surface of plate, so that being formed has Ag-TiO₂ The plate of particle.

Further, the plastic material that the sterilization liner uses is ABS, PS or PE-PS.

The beneficial effects of the present invention are: a plate provided by the invention at least surface has the Ag-TiO to sterilize₂ Particle, nanometer Ag material and TiO₂With certain bactericidal effect when material is separately as sterilization anti-biotic material, plate in the present invention Related Ag-TiO on material₂Particle is by nanometer Ag material and TiO₂The sterilization mechanism progress of material is compound, has stronger sterilization Effect and bactericidal range can inhibit the growth of bacterium by using the sterilization liner of the board making refrigerator to a greater extent, Reduce the quantity of refrigerator inside bacterium.

Detailed description of the invention

Fig. 1 show the first structure of plate of the present invention；

Fig. 2 show second of structure of plate of the present invention；

Fig. 3 show the production process schematic diagram of sterilization liner.

Specific embodiment

Hereinafter, the present invention will be described in detail with reference to various embodiments shown in the accompanying drawings, and the following are of the invention some Better embodiment.

A kind of plate, at least a surface have the Ag-TiO to sterilize₂Particle.Plate uses plastics in the present invention Material is made, Ag-TiO₂Particle is set on the surface of plate by way of coating or overlaying or Ag-TiO₂Particle passes through Plate is made after mixing with plastic material again.With reference to shown in Fig. 1, Fig. 2, show the plate of two kinds of forms respectively.Fig. 1 In, Ag-TiO₂Particle 10 is set to 11 upper surface of plate prepared by plastic material by way of coating or overlaying, specific to apply Cover or can refer to the step of overlaying subsequent expansion content；Fig. 2 show Ag-TiO₂Particle 10 is made again after mixing with plastic material Plate 11, Ag-TiO₂Particle 10 is uniformly distributed in 11 inside of plate and surface.

There is on involved plate Ag-TiO in the present embodiment₂Particle, in plate application process, the surface of plate can be with Ag+ is discharged, Ag+ has anti-microbial property, and antimicrobial mode is the cell wall and cell membrane that can destroy bacterium, causes bacterium content Beyond the region of objective existence is let out, and DNA of bacteria or RNA can be made to lose replication capacity in conjunction with the DNA of bacterium or RNA, with the intracorporal albumen of bacterium Matter combines, and protein denaturation is made to lose activity.And Ag-TiO₂The essence of particle is the TiO of nanometer Ag doping₂, Antibacterial Mechanism with TiO₂Antibacterial Mechanism it is similar, but due to the presence of nanometer Ag, make TiO₂It is more prone to produce photoelectron and hole, and Ag- TiO₂Hole and photoelectronic longer life expectancy, the photoelectron of generation and hole can be adsorbed on TiO₂The water on surface etc. occurs photochemical Reaction is learned, the free radical particle with strong oxidizing property such as OH is generated, these active oxygen radicals are aoxidized by strong oxidation The intracorporal coacetylase of bacterium destroys the cell wall or cell membrane of bacterium, changes cell wall or permeability of cell membranes, causes Content leaks, furthermore TiO₂The DNA structure that bacterium can be destroyed makees electron-transport interruption etc. to play photocatalysis antibacterial With.

In view of above, it is refrigerator that plate according to the present invention, which is a kind of material with more excellent antibiotic and sterilizing effect, Manufacturing industry provides a kind of preferable inner container of icebox making material.

In specific some embodiments, the plastic material that plate of the present invention uses is ABS (acrylonitrile-butadiene-benzene second Alkene plastics), PS (polystyrene plastics) or PE-PS (polyethylene-polystyrene mixture) can also use preferably certainly Some other can be used for the material of conventional refrigerator liner production, specific numerous to list herein.

The present invention also provides a kind of refrigerator with sterilization liner, which has in the sterilization for being provided with storing food Gallbladder, wherein the inner surface additional of sterilization liner has the Ag-TiO to sterilize₂Particle.

Specifically, the sterilization liner in refrigerator of the present invention is made of using plate referred to above, more specifically, originally In invention, sterilization liner is made of plastic material, Ag-TiO₂Particle is set to sterilization liner by way of coating or overlaying Inner surface on or Ag-TiO₂Particle by being made sterilization liner again after mixing with plastic material.In some specific embodiments In, the plastic material that sterilization liner uses is ABS, PS or PE-PS.

The present invention also provides refrigerator sterilization liner production method, refering to what is shown in Fig. 3, itself the following steps are included:

S1, preparation nanometer Ag material；

S2, Ag-TiO is prepared on the basis of nanometer Ag material₂Material；

S3, preparation have Ag-TiO₂The plate of particle；

S4, there will be Ag-TiO₂The sterilization liner is made in the plate of particle by way of adsorption forming, wherein kills The inner surface of bacterium liner has Ag-TiO₂Particle.

In specific implementation process of the present invention, step S1 includes: to prepare nanometer Ag colloidal sol using chemical reduction method, uses NaBH4 As reducing agent, Compound-acid is used as reducing agent and stabilizer as protective agent, PEG (polyethylene glycol), generates nanometer by reaction Ag colloidal sol, i.e. nanometer Ag material.

Step S2 includes: that butyl titanate is dissolved in dehydrated alcohol under room temperature, will obtain mixed liquor be slowly added dropwise to It in nanometer Ag colloidal sol, is stirred 40 minutes at a temperature of being placed in 70 DEG C, then instill acid catalyst, then proceedes to stir at a temperature of 70 DEG C 4h finally stirs the two day time of aging at normal temperature, nanometer Ag-TiO can be obtained₂Colloidal materials, i.e. Ag-TiO₂Material.

In the present invention, sterilization liner is made of plastic material, and step S3 includes: that plastic material is passed through extrusion forming For plate, by Ag-TiO before plate extrusion forming₂Material is mixed with plastic material, or by Ag- after plate forming TiO₂Material coats or overlays in one surface of plate, and being formed has Ag-TiO₂The structure of the plate of particle, specific plate can refer to Shown in Fig. 1, Fig. 2.

In the specific implementation process, if by Ag-TiO before plate extrusion forming₂Material is mixed with plastic material, Manufacture craft is relatively simple, but a large amount of Ag-TiO₂Particle is present in inside plate body, and the Ag-TiO of plate surface₂Fraction of particle Than relatively limited, so in order to guarantee that the sterilization liner as made from plate has preferable bactericidal effect, in plate body manufacturing process Need to add a large amount of Ag-TiO₂Material.

If by Ag-TiO after plate forming₂Material is coated or is overlayed in one surface of plate, is needed in traditional ice Increase Ag-TiO after the production process of case inner liner plates₂Material coats or overlays step.Wherein coating step is required Ag- TiO₂Flow-like is made in material, by coating method by flow-like Ag-TiO₂Material is uniformly arranged on plastic plate surface, then into Row curing molding；And it overlays step and requires Ag-TiO₂Film material is made in material, sends an invitation card in heating status and invests plate table It face can be in membranaceous Ag-TiO during specific implementation₂Material surface applies certain pressure, so that Ag-TiO₂It is moulding Expect that plate surface has stronger adhesive force, avoids membranaceous Ag-TiO during the use of the refrigerator₂Material falls off.

It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book With the other embodiments of understanding.

The series of detailed descriptions listed above only for feasible embodiment of the invention specifically Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention Or change should all be included in the protection scope of the present invention.

Claims

1. a kind of production method for sterilizing liner, which comprises the following steps:

S1, preparation nanometer Ag material, prepare nanometer Ag colloidal sol using chemical reduction method, use NaBH4 as reducing agent, and Compound-acid is made For protective agent, PEG generates nanometer Ag colloidal sol, i.e. nanometer Ag material as reducing agent and stabilizer, by reaction；

S2, Ag-TiO is prepared on the basis of nanometer Ag material₂Butyl titanate is dissolved in dehydrated alcohol under room temperature by material, It will obtain mixed liquor to be slowly added dropwise into nanometer Ag colloidal sol, be stirred 40 minutes at a temperature of being placed in 70 DEG C, then instill acid catalyst, so After continue to stir 4h at a temperature of 70 DEG C, finally at normal temperature stir the two day time of aging, nanometer Ag-TiO can be obtained₂Colloid material Material, i.e. Ag-TiO₂Material；

S3, preparation have Ag-TiO₂The plate of particle；

S4, there will be Ag-TiO₂The sterilization liner, the sterilization liner is made in the plate of particle by way of adsorption forming Inner surface have Ag-TiO₂Particle.

2. the production method of the sterilization liner according to claim 1, which is characterized in that the sterilization liner uses plastics material Material is made, and the step S3 includes: that plastic material is passed through extrusion forming for plate, by institute before the plate extrusion forming State Ag-TiO₂Material is mixed with the plastic material, or by the Ag-TiO after the plate forming₂Material coating or It overlays in one surface of plate, so that being formed has Ag-TiO₂The plate of particle.

3. the production method of sterilization liner according to claim 1 or claim 2, which is characterized in that the modeling that the sterilization liner uses Expect that material is ABS, PS or PE-PS.