CN110511767A - A kind of composition, preparation method and the application in inkjet printing liquid crystal material field - Google Patents
A kind of composition, preparation method and the application in inkjet printing liquid crystal material field Download PDFInfo
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- CN110511767A CN110511767A CN201910837359.7A CN201910837359A CN110511767A CN 110511767 A CN110511767 A CN 110511767A CN 201910837359 A CN201910837359 A CN 201910837359A CN 110511767 A CN110511767 A CN 110511767A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 84
- 239000000203 mixture Substances 0.000 title claims abstract description 44
- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000007641 inkjet printing Methods 0.000 title claims abstract description 19
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 30
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 30
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 28
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000003756 stirring Methods 0.000 claims description 22
- 239000002994 raw material Substances 0.000 claims description 10
- -1 photoinitiator Substances 0.000 claims description 9
- 150000002148 esters Chemical class 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000004925 Acrylic resin Substances 0.000 claims description 7
- MTZQAGJQAFMTAQ-UHFFFAOYSA-N ethyl benzoate Chemical compound CCOC(=O)C1=CC=CC=C1 MTZQAGJQAFMTAQ-UHFFFAOYSA-N 0.000 claims description 7
- 229920000178 Acrylic resin Polymers 0.000 claims description 6
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 5
- BTJPUDCSZVCXFQ-UHFFFAOYSA-N 2,4-diethylthioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC(CC)=CC(CC)=C3SC2=C1 BTJPUDCSZVCXFQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000012752 auxiliary agent Substances 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 16
- 230000007812 deficiency Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 26
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 description 5
- ZDHCZVWCTKTBRY-UHFFFAOYSA-N omega-Hydroxydodecanoic acid Natural products OCCCCCCCCCCCC(O)=O ZDHCZVWCTKTBRY-UHFFFAOYSA-N 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N monobenzene Natural products C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000000608 laser ablation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007645 offset printing Methods 0.000 description 2
- LGZQEBSLGNKHKQ-UHFFFAOYSA-N phenyl 4-hexoxybenzoate Chemical compound C1=CC(OCCCCCC)=CC=C1C(=O)OC1=CC=CC=C1 LGZQEBSLGNKHKQ-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- YXKKMVGGPRVHIL-UHFFFAOYSA-N 4-(4-pentylcyclohexyl)benzoic acid Chemical compound C1CC(CCCCC)CCC1C1=CC=C(C(O)=O)C=C1 YXKKMVGGPRVHIL-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical group OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
- B42D25/364—Liquid crystals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/405—Marking
- B42D25/43—Marking by removal of material
- B42D25/435—Marking by removal of material using electromagnetic radiation, e.g. laser
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/04—Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
- C09K19/42—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40
- C09K19/46—Mixtures of liquid crystal compounds covered by two or more of the preceding groups C09K19/06 - C09K19/40 containing esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K9/00—Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
- C09K9/02—Organic tenebrescent materials
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Toxicology (AREA)
- Manufacturing & Machinery (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Liquid Crystal (AREA)
Abstract
The invention belongs to Antiforge card card printing technology more particularly to a kind of composition, preparation method and applications in inkjet printing liquid crystal material field.The present invention provides a kind of compositions, comprising: single functionality liquid crystal, bifunctionality liquid crystal, chiral auxiliary, photoinitiator, antioxidant, curing agent and crosslinking agent.The present invention also provides a kind of preparation method of above-mentioned composition, a kind of application of the product that obtains the present invention also provides above-mentioned composition or above-mentioned preparation method in the anti-fake liquid crystal Material Field of inkjet printing.In the present invention, obtained liquid crystal material partial size can be printed directly on substrate less than 0.5 μm by the method for inkjet printing, and when printing no longer needs to additionally make a plate, and realize customization of individual character layout；Meanwhile solidifying and setting after liquid crystal printing, double color changeable effects are presented, there is anti-fake characteristic；It solves in the prior art, for color-changing liquid crystal material when carrying out Antiforge card card printing, there is be difficult to take into account the technological deficiency of low cost and personalized customization.
Description
Technical field
It is beaten the invention belongs to a kind of Antiforge card card printing technology more particularly to composition, preparation method and in ink-jet
Print the application in liquid crystal material field.
Background technique
In Antiforge card card, most of is all that color-changing liquid crystal material is printed on card face by way of silk-screen or offset printing
On, since in personalized customization, different design schemes needs to be based on from the point of view of cost, nothing using different printing plates
Method realizes personalized customization.
Therefore, a kind of composition, preparation method and the application in inkjet printing liquid crystal material field are developed, for solving
In the prior art, for color-changing liquid crystal material when carrying out Antiforge card card printing, there is be difficult to take into account low cost and personalized customization
Technological deficiency, become those skilled in the art's urgent problem to be solved.
Summary of the invention
In view of this, the present invention provides a kind of composition, preparation method and answering in inkjet printing liquid crystal material field
With, for solving in the prior art, color-changing liquid crystal material when carrying out Antiforge card card printing, there is be difficult to take into account low cost and
The technological deficiency of personalized customization.
The present invention provides a kind of composition, the raw material of the composition includes: single functionality liquid crystal, bifunctionality liquid
Crystalline substance, chiral auxiliary, photoinitiator, antioxidant, curing agent and crosslinking agent；
The chiral auxiliary are as follows: (4- (trans- -4- pentylcyclohexyl) benzoic acid of (1S) -1- phenyl -1,2- second diyl two
Ester) and/or 4- (4- hexyloxy benzoyloxy) benzoic acid-S- (+) -2- monooctyl ester.
Preferably, in terms of mass parts, the raw material of the composition includes: 7~9 parts of single functionality liquid crystal, bifunctionality liquid
15~20 parts brilliant, 1~5 part of chiral auxiliary, 1~2 part of photoinitiator, 0.1~1 part of antioxidant, 40~45 parts of curing agent and friendship
25~30 parts of agent of connection.
Preferably, in terms of mass parts, the raw material of the composition includes: 7~8 parts of single functionality liquid crystal, bifunctionality liquid
Brilliant 17~18 parts, 1~3 part of chiral auxiliary, 1~1.5 part of photoinitiator, 0.2~0.5 part of antioxidant, 41~43 parts of curing agent with
And 26~28 parts of crosslinking agent.
Preferably, in terms of mass parts, the raw material of the composition includes 7 parts of single functionality liquid crystal, bifunctionality liquid crystal 17
Part, 1 part of chiral auxiliary, 1.2 parts of photoinitiator, 0.7 part of antioxidant, 42.5 parts of curing agent and 25 parts of crosslinking agent
Preferably, the single functionality liquid crystal are as follows:
The bifunctionality liquid crystal are as follows:
Preferably, the photoinitiator be TPO or DETX, 369, TPO according to mass ratio 1:5:3 ratio mix, 50 DEG C
Under the conditions of stirring be 30min obtained by.
Preferably, the antioxidant is antioxidant 703；
The curing agent are as follows: 6- hexanediyl ester；
The crosslinking agent are as follows: acrylic resin.
The present invention also provides a kind of preparation method including one composition of any of the above, the preparation methods
Are as follows: after single functionality liquid crystal, bifunctionality liquid crystal, photoinitiator, chiral auxiliary and curing agent mixing, stir for the first time
It mixes；After the completion of stirring, antioxidant is added and crosslinking agent carries out second and stirs, obtains product.
Preferably, the temperature of first time stirring is 40~70 DEG C, the time of the first time stirring is 30~
60min；
The temperature of second of stirring is 50~80 DEG C, and the time of second of stirring is 5~15min.
It include one preparation side of one composition of any of the above or any of the above the present invention also provides one kind
Application of the product that method obtains in the anti-fake liquid crystal Material Field of inkjet printing.
In conclusion the present invention provides a kind of composition, the raw material of the composition includes: single functionality liquid crystal, double
Degree of functionality liquid crystal, chiral auxiliary, photoinitiator, antioxidant, curing agent and crosslinking agent；The chiral auxiliary are as follows: (1S) -1- benzene
Base -1,2- second diyl two (4- (trans- -4- pentylcyclohexyl) benzoic ether) and/or 4- (4- hexyloxy benzoyloxy) benzene first
Acid-S- (+) -2- monooctyl ester.The present invention also provides a kind of preparation methods of above-mentioned composition, and the present invention also provides a kind of above-mentioned
Application of the product that composition or above-mentioned preparation method obtain in the anti-fake liquid crystal Material Field of inkjet printing.Skill provided by the invention
Liquid crystal material obtained by art scheme, partial size can be printed directly on substrate by the method for inkjet printing, be beaten less than 0.5 μm
It no longer needs to additionally make a plate when print, realizes customization of individual character layout；Meanwhile solidifying and setting after liquid crystal printing, double discolorations are presented
Effect has anti-fake characteristic.A kind of composition provided by the invention, preparation method and in inkjet printing liquid crystal material field
Using, solve in the prior art, color-changing liquid crystal material when carrying out Antiforge card card printing, there is be difficult to take into account low cost and
The technological deficiency of personalized customization.
Specific embodiment
The present invention provides a kind of composition, preparation method and applications in inkjet printing liquid crystal material field, for solving
Certainly in the prior art, color-changing liquid crystal material is inexpensive fixed with personalization there is being difficult to take into account when carrying out Antiforge card card printing
The technological deficiency of system.
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In order to which the present invention is described in more detail, below with reference to embodiment to a kind of composition provided by the invention, preparation method
And the application in inkjet printing liquid crystal material field, it is specifically described.
Embodiment 1
The present embodiment is the specific embodiment for preparing liquid crystal product 1.
Weigh 7.0g single functionality liquid crystal, 17.0g bifunctionality liquid crystal, 1.2g photoinitiator, 1.0g chiral auxiliary and
After the mixing of 42.5g curing agent, after 45 DEG C of stirring 50min, 0.7g antioxidant and 25.0g crosslinking agent is added, is stirred in 50 DEG C
10min obtains product 1.
In the present embodiment, single functionality liquid crystal are as follows:
Bifunctionality liquid crystal are as follows:
Chiral auxiliary is (1S) -1- phenyl -1,2- second diyl two (4- (trans- -4- pentylcyclohexyl) benzoic ether)；Light
Initiator be DETX, 369, TPO mixed according to the ratio of mass ratio 1:5:3, stirring is obtained by 30min under the conditions of 50 DEG C；Antioxygen
Agent is antioxidant 703；Curing agent is 6- hexanediyl ester (HDDA)；Crosslinking agent is acrylic resin.
Embodiment 2
The present embodiment is the specific embodiment for preparing liquid crystal product 2.
Weigh 9.0g single functionality liquid crystal, 18.0g bifunctionality liquid crystal, 1.5g photoinitiator, 3.0g chiral auxiliary and
After the mixing of 41.0g curing agent, after 60 DEG C of stirring 60min, 1.0g antioxidant and 26.0g crosslinking agent is added, is stirred in 75 DEG C
5min obtains product 2.
In the present embodiment, single functionality liquid crystal are as follows:
Bifunctionality liquid crystal are as follows:
Chiral auxiliary is 1.5g (1S) -1- phenyl -1,2- second diyl two (4- (trans- -4- pentylcyclohexyl) benzoic ether)
With the mixture of 1.5g4- (4- hexyloxy benzoyloxy) benzoic acid-S- (+) -2- monooctyl ester；Photoinitiator is TPO；Antioxidant
For antioxidant 703；Curing agent is 6- hexanediyl ester (HDDA)；Crosslinking agent is acrylic resin.
Embodiment 3
The present embodiment is the specific embodiment for preparing liquid crystal product 3.
Weigh 7.5g single functionality liquid crystal, 20.0g bifunctionality liquid crystal, 1.0g photoinitiator, 1.8g chiral auxiliary and
After the mixing of 43.0g curing agent, after 50 DEG C of stirring 30min, 0.1g antioxidant and 30.0g crosslinking agent is added, is stirred in 60 DEG C
15min obtains product 3.
In the present embodiment, single functionality liquid crystal are as follows:
Bifunctionality liquid crystal are as follows:
Chiral auxiliary be 2g (1S) -1- phenyl -1,2- second diyl two (4- (trans- -4- pentylcyclohexyl) benzoic ether) and
The mixture of 5.5g4- (4- hexyloxy benzoyloxy) benzoic acid-S- (+) -2- monooctyl ester；Photoinitiator is TPO；Antioxidant is
Antioxidant 703；Curing agent is 6- hexanediyl ester (HDDA)；Crosslinking agent is acrylic resin.
Embodiment 4
The present embodiment is the specific embodiment for preparing liquid crystal product 4.
Weigh 8.0g single functionality liquid crystal, 15.0g bifunctionality liquid crystal, 1.8g photoinitiator, 5.0g chiral auxiliary and
After the mixing of 45.0g curing agent, after 40 DEG C of stirring 40min, 0.3g antioxidant and 27.0g crosslinking agent is added, is stirred in 50 DEG C
12min obtains product 4.
In the present embodiment, single functionality liquid crystal are as follows:
Bifunctionality liquid crystal are as follows:
Chiral auxiliary is 4- (4- hexyloxy benzoyloxy) benzoic acid-S- (+) -2- monooctyl ester；Photoinitiator is TPO；It is anti-
Oxygen agent is antioxidant 703；Curing agent is 6- hexanediyl ester (HDDA)；Crosslinking agent is acrylic resin.
Embodiment 5
The present embodiment is the specific embodiment for preparing liquid crystal product 5.
Weigh 8.1g single functionality liquid crystal, 17.5g bifunctionality liquid crystal, 2.0g photoinitiator, 2.2g chiral auxiliary and
After the mixing of 40.0g curing agent, after 70 DEG C of stirring 45min, 0.5g antioxidant and 28.0g crosslinking agent is added, is stirred in 80 DEG C
7min obtains product 5.
In the present embodiment, single functionality liquid crystal are as follows:
Bifunctionality liquid crystal are as follows:
Chiral auxiliary are as follows: (1S) -1- phenyl -1,2- second diyl two (4- (trans- -4- pentylcyclohexyl) benzoic ether)；Light
Initiator is TPO；Antioxidant is antioxidant 703；Curing agent is 6- hexanediyl ester (HDDA)；Crosslinking agent is acrylic acid
Resin.
Embodiment 6
The present embodiment is the specific embodiment for measuring 1~5 diameter of product made from Examples 1 to 5.
Using crystal grain analyzer, be measured, measure to the diameter of product 1~5: the diameter of product 1~5 is less than 0.5 μm.
The spray head aperture of ink-jet printer in the prior art is about 5 μm (microns), therefore product produced by the present invention, can pass through spray
The mode of ink printing carries out personalisation process without blocking spray head.
Such as: first carry out ink print (UV lamp shine, UV is ultraviolet light, be Ultraviolet, Ultravioletray or
Ultravioletradiation's writes a Chinese character in simplified form), laser ablation can also be carried out before ink print, then using present invention system
The product obtained prints light change layer (UV lamp photograph) in a manner of inkjet printing, then prints light oil reservoir (UV lamp photograph) and carry out surface protection.
Since in the printing of light change layer, by the way of inkjet printing, the content of printing and position can be made with self-defining with tradition
Platemaking technology can only carry out same content batch making difference, and product produced by the present invention prints resulting product, personalized journey
It spends very high.
In the prior art, used similar liquid crystal material product, partial size be 80~150 μm between, carry out it is anti-fake
It can only batch making, made content be the same, batch making by way of silk-screen, offset printing, gravure when card prints
When, it is difficult to carry out personalized customization.If carrying out personalized customization, need individually to make a plate, it is with high costs to be difficult to realize.
Product made from technical solution provided by the invention after forming picture on surface by laser ablation, then passes through colour
Ink-jet is painted；At this point, since product diameter is less than 0.5 μm, can by liquid crystal on ink-jet printer direct spraying without system
Version, it is subsequent that given pattern, LED light film-forming, scratch brushing oil guard layer, obtained antifake certificate card are shown by electric field again.
Product made from technical solution provided by the invention can be by product direct injection since product particle is less than 0.5 μm
It into transparent intermediate plate, controls to form specified group by electromagnetic field, then is formed by liquid crystal after UV lamp solidification, can not be distorted.Together
When, also there are the distinctive double color changeable effects of liquid crystal material, front, which is seen, is shown as yellow, and side, which is seen, is shown as green, obtained anti-
False wittness card has the effect of multicolour anti false.During practical application, the preparation process of antifake certificate card is simple and convenient, reduces
The process of accreditation is, it can be achieved that online production, immediate delivery.
In conclusion the present invention provides a kind of composition, the raw material of the composition includes: single functionality liquid crystal, double
Degree of functionality liquid crystal, chiral auxiliary, photoinitiator, antioxidant, curing agent and crosslinking agent；The chiral auxiliary are as follows: (1S) -1- benzene
Base -1,2- second diyl two (4- (trans- -4- pentylcyclohexyl) benzoic ether) and/or 4- (4- hexyloxy benzoyloxy) benzene first
Acid-S- (+) -2- monooctyl ester.The present invention also provides a kind of preparation methods of above-mentioned composition, and the present invention also provides a kind of above-mentioned
Application of the product that composition or above-mentioned preparation method obtain in the anti-fake liquid crystal Material Field of inkjet printing.Skill provided by the invention
Liquid crystal material obtained by art scheme, partial size can be printed directly on substrate by the method for inkjet printing, be beaten less than 0.5 μm
It no longer needs to additionally make a plate when print, realizes customization of individual character layout；Meanwhile solidifying and setting after liquid crystal printing, double discolorations are presented
Effect has anti-fake characteristic.A kind of composition provided by the invention, preparation method and in inkjet printing liquid crystal material field
Using, solve in the prior art, color-changing liquid crystal material when carrying out Antiforge card card printing, there is be difficult to take into account low cost and
The technological deficiency of personalized customization.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of composition, which is characterized in that the raw material of the composition includes: single functionality liquid crystal, bifunctionality liquid crystal, hand
Property auxiliary agent, photoinitiator, antioxidant, curing agent and crosslinking agent；
The chiral auxiliary are as follows: (1S) -1- phenyl -1,2- second diyl two (4- (trans- -4- pentylcyclohexyl) benzoic ether) and/
Or 4- (4- hexyloxy benzoyloxy) benzoic acid-S- (+) -2- monooctyl ester.
2. composition according to claim 1, which is characterized in that in terms of mass parts, the raw material of the composition includes: list
7~9 parts of degree of functionality liquid crystal, 15~20 parts of bifunctionality liquid crystal, 1~5 part of chiral auxiliary, 1~2 part of photoinitiator, antioxidant 0.1
~1 part, 40~45 parts of curing agent and 25~30 parts of crosslinking agent.
3. composition according to claim 2, which is characterized in that in terms of mass parts, the raw material of the composition includes: list
7~8 parts of degree of functionality liquid crystal, 17~18 parts of bifunctionality liquid crystal, 1~3 part of chiral auxiliary, 1~1.5 part of photoinitiator, antioxidant
0.2~0.5 part, 41~43 parts of curing agent and 26~28 parts of crosslinking agent.
4. composition according to claim 3, which is characterized in that in terms of mass parts, the raw material of the composition includes: list
7 parts of degree of functionality liquid crystal, 17 parts of bifunctionality liquid crystal, 1 part of chiral auxiliary, 1.2 parts of photoinitiator, 0.7 part of antioxidant, curing agent
42.5 parts and 25 parts of crosslinking agent.
5. composition according to claim 1, which is characterized in that the single functionality liquid crystal are as follows:
The bifunctionality liquid crystal are as follows:
6. composition according to claim 1, which is characterized in that the photoinitiator be TPO or DETX, 369, TPO presses
According to the ratio mixing of mass ratio 1:5:3, stirring is obtained by 30min under the conditions of 50 DEG C.
7. composition according to claim 1, which is characterized in that
The antioxidant is antioxidant 703；
The curing agent are as follows: 6- hexanediyl ester；
The crosslinking agent are as follows: acrylic resin.
8. a kind of preparation method including composition described in claim 1 to 7 any one, which is characterized in that the preparation side
Method are as follows: after single functionality liquid crystal, bifunctionality liquid crystal, photoinitiator, chiral auxiliary and curing agent mixing, stir for the first time
It mixes；After the completion of stirring, antioxidant is added and crosslinking agent carries out second and stirs, obtains product.
9. preparation method according to claim 8, which is characterized in that the temperature of the first time stirring is 40~70 DEG C,
The time of the first time stirring is 30~60min；
The temperature of second of stirring is 50~80 DEG C, and the time of second of stirring is 5~15min.
10. one kind includes preparation side described in composition described in claim 1 to 7 any one or claim 8 to 9 any one
Application of the product that method obtains in the anti-fake liquid crystal Material Field of inkjet printing.
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| US20040155221A1 (en) * | 2002-11-02 | 2004-08-12 | Robert Hammond-Smith | Printable liquid crystal material |
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Application publication date: 20191129 |