CN201607594U - Polymer dispersed liquid crystal shearing effect curtain - Google Patents
Polymer dispersed liquid crystal shearing effect curtain Download PDFInfo
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- CN201607594U CN201607594U CN2009202216058U CN200920221605U CN201607594U CN 201607594 U CN201607594 U CN 201607594U CN 2009202216058 U CN2009202216058 U CN 2009202216058U CN 200920221605 U CN200920221605 U CN 200920221605U CN 201607594 U CN201607594 U CN 201607594U
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- dispersed liquid
- shearing effect
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Abstract
A polymer dispersed liquid crystal shearing effect curtain relates to dimming glass based on polymer dispersed liquid crystal, is formed by sandwiching a layer of polymer dispersed liquid crystal shearing effect films by two pieces of raw material ultra-flat heavy sheet glass unplated with transparent conducting layers of transparent conducting glass for plasma displays or liquid crystal displays, wherein the thickness of the ultra-flat heavy sheet glass ranges from 3mm to 8mm, and the polymer dispersed liquid crystal shearing effect films are formed by mixing according to the proportion of the mass ratio of prepolymers: nematic phase liquid crystal materials= 1:1-3. The polymer dispersed liquid crystal shearing effect films of a sandwich layer are changed from a scattering state into a transparent open state by exerting shearing stress to outer-layer flat glass, thereby obtaining the dimming function of connection and disconnection. The polymer dispersed liquid crystal shearing effect curtain serving as a functional curtain is particularly applied to the field of building decoration, extremely low in production cost and bistable in connection and disconnection, and needs no electricity when in use.
Description
Technical field
The technical solution of the utility model relates to the dimming glass based on Polymer Dispersed Liquid Crystal, specifically Polymer Dispersed Liquid Crystal shearing effect curtain.
Background technology
Polymer Dispersed Liquid Crystal (be called for short PDLC) film is the high-tech product of the invention eighties in 20th century, at dimming glass, and large screen display, many fields such as holographic grating have using value, now the also still problem paid close attention to of liquid crystal device researcher.
In Polymer Dispersed Liquid Crystal research, find, upper and lower base plate by the Polymer Dispersed Liquid Crystal goods of glass substrate preparation or polymer network liquid crystal goods is applied shear stress can cause light leakage phenomenon, this is the shearing effect (Sheared Liquid Crystal) of Polymer Dispersed Liquid Crystal, it is a kind of of strain liquid crystal (Stressed Liquid Crystal), U.S.'s University of Kent liquid crystal research the strain liquid crystal is had many research.Research to the strain liquid crystal comes into one's own on liquid crystal devices such as the big phase delay chip of preparation in recent years, but the application of Polymer Dispersed Liquid Crystal shearing effect is is also researched and developed widely.
Summary of the invention
Technical problem to be solved in the utility model is: Polymer Dispersed Liquid Crystal shearing effect curtain is provided, it is by two Zhang Ping's glass sheets, folder one layer of polymeric dispersed LCD shearing effect film constitutes, make the Polymer Dispersed Liquid Crystal shearing effect film of interlayer become transparent ON state by outer sheet glass being applied shear stress by scattering states, and then obtain that the dimming function of opening and turn-offing is arranged, obtain special application in the construction and decoration field as the function curtain.
The utility model solves this technical problem the technical scheme that is adopted: Polymer Dispersed Liquid Crystal shearing effect curtain, by two thickness plasma display that is 3～8mm or LCD the super flat heavy sheet glass of the raw material that does not plate transparency conducting layer with transparent conducting glass, between folder one deck be prepolymer mainly by mass ratio: the ratio of nematic liquid crystal material=1: 1～3 is mixed the Polymer Dispersed Liquid Crystal shearing effect film formation of forming.
Above-mentioned Polymer Dispersed Liquid Crystal shearing effect curtain, by two thickness plasma display that is 3～8mm or LCD the super flat heavy sheet glass of the raw material that does not plate transparency conducting layer with transparent conducting glass, between folder one deck be that 1: 1～3 prepolymer and nematic liquid crystal material and diameter are that the consumption of 10～20 μ m is calculated as＜5/mm with the area of plane of this curtain of making by mass ratio
2Flexible plastic microballoon, microfilament or fine, soft fur send out the Polymer Dispersed Liquid Crystal shearing effect film that the wadding of chip mix to form and constitute.
In the above-mentioned Polymer Dispersed Liquid Crystal shearing effect curtain, described prepolymer is made up of 20% alkoxy nonyl phenyl acrylate, 70% trimethylolpropane triacrylate, 5% chain-transferring agent and 5% light trigger; Described percentage is mass percent; Described chain-transferring agent is 2 mercapto ethanol or 3-mercaptopropionic acid isooctyl; Described light trigger is a light trigger 1173.
Above-mentioned Polymer Dispersed Liquid Crystal shearing effect curtain, the thickness of wherein said Polymer Dispersed Liquid Crystal shearing effect film are 10～20 μ m.
The preparation method of above-mentioned Polymer Dispersed Liquid Crystal shearing effect curtain, step is:
The first step, the prepared polymer dispersed liquid crystal material
Alkoxy nonyl phenyl acrylate with 20%, 70% trimethylolpropane triacrylate, 5% chain-transferring agent and 5% light trigger are mixed with prepolymer, is the mixing that stirs of 1: 1～3 ratio with this prepolymer and nematic liquid crystal material in mass ratio, be mixed with polymer dispersion liquid crystal material, described percentage is mass percent;
Second step, the coated polymeric dispersing liquid crystal layer
The polymer dispersion liquid crystal material that the first step is mixed with is applied on Zhang Ping's glass sheet, form polymer dispersed liquid crystal layer, the thickness of the polymer dispersed liquid crystal layer of coating is 10～20 μ m, the size of used sheet glass is determined by actual needs, wherein used sheet glass is plasma display or the LCD super flat heavy sheet glass of the raw material that does not plate transparency conducting layer with transparent conducting glass, and its thickness is 3～8mm;
The 3rd step, preparation Polymer Dispersed Liquid Crystal shearing effect curtain
Be coated with on the sheet glass of polymer dispersed liquid crystal layer in second step and cover another same sheet glass, be that the UV-irradiation 2～4 minutes of 25～60W is separated to the potpourri that above-mentioned prepolymer and nematic liquid crystal material are mixed with intensity then, this nematic liquid crystal material is fully separated out from polymkeric substance, form the liquid crystal droplet of 1～4 μ m diameter dimension, make by two Zhang Ping's glass sheets the Polymer Dispersed Liquid Crystal shearing effect curtain that folder one layer of polymeric dispersed LCD shearing effect film constitutes thus.Wherein the thickness of Polymer Dispersed Liquid Crystal shearing effect film is 10～20 μ m.
The preparation method of above-mentioned Polymer Dispersed Liquid Crystal shearing effect curtain, the flexible plastic microballoon, microfilament or the fine, soft fur that also add diameter simultaneously and be 10～20 μ m when first step prepared polymer dispersed liquid crystal material are sent out chip, and its consumption is calculated as＜5/mm with the area of plane of these dimming glass goods of making
2
The preparation method of above-mentioned Polymer Dispersed Liquid Crystal shearing effect curtain, used starting material all obtain by the known approach that is purchased.Used alkoxy nonyl phenyl acrylate is the product of the permanent right bio tech ltd in Shanghai; Used trimethylolpropane triacrylate is the product that Shanghai Fang Rui reaches chemicals company limited; Used chain-transferring agent is the product 2 mercapto ethanol or the 3-mercaptopropionic acid isooctyl of Shanghai Inst of Chemical Reagent; Used light trigger is a Tianjin proud son of heaven chemical products light trigger 1173; Used nematic liquid crystal material is the anisotropic nematic liquid crystal product of big birefraction, and the liquid crystal ordinary refraction index is n
o=1.517, liquid crystal very optical index is n
eMore than=1.65, be the product of Hebei Luquan novel electron material factory; Related stirring, coating and UV-irradiation technology are the production technology of conventional, well-known Polymer Dispersed Liquid Crystal (PDLC), implement the PDLC manufacturing machine equipment that the used stirring machine of these technologies, prepolymer coating machine, pressing machine, platform ultra-violet curing machine and glass cutting machine are conventional, well-known.
The beneficial effects of the utility model are:
The principle of the utility model Polymer Dispersed Liquid Crystal shearing effect curtain is: described Polymer Dispersed Liquid Crystal shearing effect curtain is the light scattering attitude under the normality, is " frosted glass " outward appearance.When two Zhang Ping's glass sheets of polymer dispersed liquid crystal layer outside occur the small relative changing of the relative positions (＜1mm), middle polymer dispersed liquid crystal layer is subjected to shear stress, liquid crystal droplet wherein becomes prolate ellipsoid by ball, liquid crystal molecule will be arranged along the ellipsoid long axis direction of the parallel changing of the relative positions in the liquid crystal droplet, liquid crystal droplet is rendered as the anisotropy uniaxial crystal, and pdlc film is in transparent ON state.The utility model Polymer Dispersed Liquid Crystal shearing effect curtain presents a kind of like this function, promptly without extra electric field, rely on the two outside layers glassy phase that minute movement is realized opening and turn-offing of dimming glass, be white frosted glass at ordinary times, apply shear stress and change clear glass into, remove shear stress and revert to white frosted glass again.
The utility model Polymer Dispersed Liquid Crystal shearing effect curtain compared with prior art has following advantage:
Existing Polymer Dispersed Liquid Crystal dimming glass is called the electronics curtain again, its production run has high requirement to the workshop clean level, be to produce the Polymer Dispersed Liquid Crystal composite membrane earlier with the electrically conducting transparent film, according to client's needs film is clipped between two sheet glass again, technical difficulty is big, the cost height, and be that power consumption is not energy-conservation in using.There is the production cost of bistable polymer dispersed cholesteric liquid crystal dimming glass higher.Because the shearing effect that Polymer Dispersed Liquid Crystal shearing effect curtain of the present utility model is the using polymer dispersed LCD realizes light modulation, without extra electric field, cleaning and purity to production environment and raw material all do not have too high request, therefore production cost is very low, and to turn on and off be bistable, not electricity consumption during use, very little some manpowers of expense when only when opening or turn-offing the switching of two states, stirring the dislocation mechanical hook-up.So the utility model is the new application of PDLC shearing effect new technology on the Polymer Dispersed Liquid Crystal dimming glass.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 the utility model Polymer Dispersed Liquid Crystal shearing effect Window curtain structure synoptic diagram.
Present frosted glass scattering state synoptic diagram under Fig. 2 the utility model Polymer Dispersed Liquid Crystal shearing effect curtain normality.
Fig. 3 the utility model Polymer Dispersed Liquid Crystal shearing effect curtain is subjected to shear stress to present printing opacity ON state effect synoptic diagram.
Among the figure, 101. super flat heavy sheet glass, 102. Polymer Dispersed Liquid Crystal shearing effect film presents the Polymer Dispersed Liquid Crystal shearing effect curtain of frosted glass scattering state under 201. normalities, 202. present the Polymer Dispersed Liquid Crystal shearing effect curtain of printing opacity ON state when applying shear stress in that skin is on glass.
Embodiment
Embodiment illustrated in fig. 1 showing, the utility model Polymer Dispersed Liquid Crystal shearing effect curtain is made of two super flat heavy sheet glass (101) folder one layer of polymeric dispersed LCD shearing effect films (102).Wherein, super flat heavy sheet glass (101) is that 3～8mm ordinary plate glass or thickness are 3～8mm plasma display or the LCD super flat heavy sheet glass of the raw material that does not plate transparency conducting layer with transparent conducting glass for thickness, and the thickness of middle folded Polymer Dispersed Liquid Crystal shearing effect film (102) is 10～20 μ m.
Polymer Dispersed Liquid Crystal shearing effect film (102) in embodiment illustrated in fig. 1 is a prepolymer by mass ratio: the ratio of nematic liquid crystal material=1: 1～3 is mixed and is formed, or by mass ratio be 1: 1～3 prepolymer and nematic liquid crystal material and diameter be 10～20mm consumption with the area of plane of this drawing board of making be calculated as＜wadding that flexible plastic microballoon, microfilament or the fine, soft fur of 5/mm2 sent out chip forms; Used nematic liquid crystal material is the anisotropic nematic liquid crystal product of big birefraction, and the liquid crystal ordinary refraction index is about no=1.5, and liquid crystal very optical index is more than the ne=1.65, is the product of Hebei Luquan novel electron material factory; Used prepolymer is made up of 20% alkoxy nonyl phenyl acrylate, 70% trimethylolpropane triacrylate, 5% chain-transferring agent and 5% light trigger; described percentage is mass percent; used chain-transferring agent is the product 2 mercapto ethanol or the 3-mercaptopropionic acid isooctyl of Shanghai Inst of Chemical Reagent, and used light trigger is a Tianjin proud son of heaven chemical products light trigger 1173.
Embodiment illustrated in fig. 2 showing, the utility model Polymer Dispersed Liquid Crystal shearing effect curtain is under normal conditions for presenting the Polymer Dispersed Liquid Crystal shearing effect curtain (201) of frosted glass scattering state; Embodiment illustrated in fig. 3 showing, when on the super flat heavy sheet glass of skin (101), applying shear stress, liquid crystal droplet is subjected to shear stress to be deformed into prolate ellipsoid by ball, liquid crystal molecule is arranged along the ellipsoid long axis direction, present printing opacity ON state effect, this moment, the utility model Polymer Dispersed Liquid Crystal shearing effect curtain was the Polymer Dispersed Liquid Crystal shearing effect curtain (202) that presents the printing opacity ON state, after removing the shear stress that applies on the outer super flat heavy sheet glass (101), the Polymer Dispersed Liquid Crystal shearing effect curtain (202) that presents the printing opacity ON state reverts to the Polymer Dispersed Liquid Crystal shearing effect curtain (201) that presents the frosted glass scattering state.Arrow is depicted as the direction that light passes through among the figure.
Claims (3)
1. Polymer Dispersed Liquid Crystal shearing effect curtain, it is characterized in that: by two thickness plasma display that is 3～8mm or LCD the super flat heavy sheet glass of the raw material that does not plate transparency conducting layer with transparent conducting glass, between folder one deck be prepolymer mainly by mass ratio: the ratio of nematic liquid crystal material=1: 1～3 is mixed the Polymer Dispersed Liquid Crystal shearing effect film formation of forming.
2. according to the described Polymer Dispersed Liquid Crystal shearing effect of claim 1 curtain, it is characterized in that: by two thickness plasma display that is 3～8mm or LCD the super flat heavy sheet glass of the raw material that does not plate transparency conducting layer with transparent conducting glass, between folder one deck be that 1: 1～3 prepolymer and nematic liquid crystal material and diameter are that the consumption of 10～20 μ m is calculated as＜5/mm with the area of plane of this curtain of making by mass ratio
2Flexible plastic microballoon, microfilament or fine, soft fur send out the Polymer Dispersed Liquid Crystal shearing effect film that the wadding of chip forms and constitute.
3. according to claim 1 or 2 described Polymer Dispersed Liquid Crystal shearing effect curtain, it is characterized in that: the thickness of wherein said Polymer Dispersed Liquid Crystal shearing effect film is 10～20 μ m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202216058U CN201607594U (en) | 2009-10-27 | 2009-10-27 | Polymer dispersed liquid crystal shearing effect curtain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202216058U CN201607594U (en) | 2009-10-27 | 2009-10-27 | Polymer dispersed liquid crystal shearing effect curtain |
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| CN201607594U true CN201607594U (en) | 2010-10-13 |
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| CN2009202216058U Expired - Fee Related CN201607594U (en) | 2009-10-27 | 2009-10-27 | Polymer dispersed liquid crystal shearing effect curtain |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197460A (en) * | 2013-04-19 | 2013-07-10 | 南京晶多新材料科技有限公司 | Special shearing device for manufacturing scattering polarization glass |
| CN103760713A (en) * | 2013-12-25 | 2014-04-30 | 无锡科技职业学院 | Strain liquid crystal dimming display glassware and manufacturing method thereof |
-
2009
- 2009-10-27 CN CN2009202216058U patent/CN201607594U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103197460A (en) * | 2013-04-19 | 2013-07-10 | 南京晶多新材料科技有限公司 | Special shearing device for manufacturing scattering polarization glass |
| CN103760713A (en) * | 2013-12-25 | 2014-04-30 | 无锡科技职业学院 | Strain liquid crystal dimming display glassware and manufacturing method thereof |
| CN103760713B (en) * | 2013-12-25 | 2016-04-20 | 无锡科技职业学院 | A kind of strain liquid crystal light modulation display glassware and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20111027 |