WO2013060087A1 - 含巯基多官能团的低倍多聚硅氧烷化合物及其组合物和压印的软模板 - Google Patents
含巯基多官能团的低倍多聚硅氧烷化合物及其组合物和压印的软模板 Download PDFInfo
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- WO2013060087A1 WO2013060087A1 PCT/CN2012/000319 CN2012000319W WO2013060087A1 WO 2013060087 A1 WO2013060087 A1 WO 2013060087A1 CN 2012000319 W CN2012000319 W CN 2012000319W WO 2013060087 A1 WO2013060087 A1 WO 2013060087A1
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- OJRYAOYVYFKEPI-UHFFFAOYSA-N 2,2-dimethylbutane;2-methylprop-2-enoic acid Chemical compound CCC(C)(C)C.CC(=C)C(O)=O OJRYAOYVYFKEPI-UHFFFAOYSA-N 0.000 description 1
- IARGBXSVZJLGOI-UHFFFAOYSA-N 2-(ethenoxymethyl)-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COC=C IARGBXSVZJLGOI-UHFFFAOYSA-N 0.000 description 1
- GVEUEBXMTMZVSD-UHFFFAOYSA-N 3,3,4,4,5,5,6,6,6-nonafluorohex-1-ene Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C=C GVEUEBXMTMZVSD-UHFFFAOYSA-N 0.000 description 1
- NKAMGQZDVMQEJL-UHFFFAOYSA-N 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodec-1-ene Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C=C NKAMGQZDVMQEJL-UHFFFAOYSA-N 0.000 description 1
- BIGOJJYDFLNSGB-UHFFFAOYSA-N 3-isocyanopropyl(trimethoxy)silane Chemical group CO[Si](OC)(OC)CCC[N+]#[C-] BIGOJJYDFLNSGB-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- XPGNUBSSUIXDLB-UHFFFAOYSA-N 7,7-difluoroheptyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCCCCC(F)F XPGNUBSSUIXDLB-UHFFFAOYSA-N 0.000 description 1
- 241001428800 Cell fusing agent virus Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Chemical group 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 101001012040 Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1) Immunomodulating metalloprotease Proteins 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- DOACSXJVHDTDSG-UHFFFAOYSA-N henicosan-11-one Chemical compound CCCCCCCCCCC(=O)CCCCCCCCCC DOACSXJVHDTDSG-UHFFFAOYSA-N 0.000 description 1
- OQLKNTOKMBVBKV-UHFFFAOYSA-N hexamidine Chemical compound C1=CC(C(=N)N)=CC=C1OCCCCCCOC1=CC=C(C(N)=N)C=C1 OQLKNTOKMBVBKV-UHFFFAOYSA-N 0.000 description 1
- 229960001915 hexamidine Drugs 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- ARYZCSRUUPFYMY-UHFFFAOYSA-N methoxysilane Chemical compound CO[SiH3] ARYZCSRUUPFYMY-UHFFFAOYSA-N 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- JNTNNUXPPZAEFD-UHFFFAOYSA-N n-amino-n-propylformamide Chemical compound CCCN(N)C=O JNTNNUXPPZAEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229960004624 perflexane Drugs 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- UKASIOIEWZDBIT-UHFFFAOYSA-N phenyl-(2,3,4-trimethylphenyl)methanone Chemical compound CC1=C(C)C(C)=CC=C1C(=O)C1=CC=CC=C1 UKASIOIEWZDBIT-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000000016 photochemical curing Methods 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- FGZIKGPTALYUPA-UHFFFAOYSA-N prop-2-enoic acid silyloxysilane Chemical compound [SiH3]O[SiH3].OC(=O)C=C FGZIKGPTALYUPA-UHFFFAOYSA-N 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- CMQCNTNASCDNGR-UHFFFAOYSA-N toluene;hydrate Chemical compound O.CC1=CC=CC=C1 CMQCNTNASCDNGR-UHFFFAOYSA-N 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/21—Cyclic compounds having at least one ring containing silicon, but no carbon in the ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/0275—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with dithiol or polysulfide compounds
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
- G03F7/0757—Macromolecular compounds containing Si-O, Si-C or Si-N bonds
Definitions
- the present invention relates to the field of micro/nano processing in microelectronics and nanoelectronics, and relates to a polyfunctional polysiloxane-containing polysiloxane compound (referred to as "low poly polysiloxane compound” simply as “Polyhedral” Ol igomeric Si lsesquioxane, abbreviated as POSS”) and its composition for preparing embossed soft stencils and embossed soft stencils.
- BACKGROUND Nanoimprint lithography is considered to be one of the most promising next-generation lithography technologies.
- nanoimprint technology can achieve graphics resolution beyond the limitations of light diffraction or particle beam scattering in other traditional technologies, with low cost, high resolution, high productivity and so on.
- the template is the biggest difference between nanoimprint lithography (NIL) and traditional optical lithography.
- NIL nanoimprint lithography
- the template as the initial carrier of the embossed feature directly determines the quality of the embossed pattern, and achieves high quality.
- high quality stamping stencils are required.
- nanoimprint lithography uses the 1 X template, which faces greater challenges in stencil making, inspection and repair techniques.
- the fabrication of templates has become the biggest technical bottleneck of NIL, and with the deepening of nanoimprint lithography research and the expanding application fields, the manufacture of NIL templates will become more and more important and face more severe challenges. . Therefore, the fabrication of templates has become one of the most important research hotspots in nanoimprint lithography, especially the fabrication of 3D templates, large-area templates and high-resolution templates, and the inspection and repair of template defects are the most urgent in the future and in the future. Demand, the most important research hotspots and challenges.
- the traditional embossed carrier template is made of quartz, which is not only expensive, but also extremely fragile. After repeated work, the etchant is easily adhered to the surface of the stencil.
- Soft stencils refer to substrates made of soft materials. They are usually made of photoresist as a prepolymer. They are patterned on the surface by imprinting, and then cured by heat or UV. Photocuring to obtain a polymer soft template with a reverse replication pattern.
- the soft template Compared with the hard template, the soft template not only has a simple preparation process, but also greatly saves cost; at the same time, due to its soft matrix, it can replace the disadvantage that the hard material cannot be bent, and the quality of the imprint is greatly improved.
- a search of the prior art found that the most successful commercialization of the currently used imprinted photoresist product for soft stencil fabrication is polydimethylsiloxane (PDMS).
- PDMS polydimethylsiloxane
- the polymerization mechanism is changed in essence, and the photopolymerization reaction is changed from free-radical chain self-polymerization to radical gradualization.
- Copolymerization so that the molecular weight of the polymer is gradually increased, the gelation phenomenon is delayed, the oxygen inhibition effect is effectively reduced, the conversion rate of the double bond is greatly improved, and the volume shrinkage of the polymer is reduced.
- the amount of photoinitiator required for photopolymerization of mercapto/olefin monomers is very small, or even unnecessary, so it is possible to use light curing to prepare thicker parts.
- inorganic fillers are usually added.
- inorganic particles themselves with the polymer precursor due to the incompatibility of the inorganic particles themselves with the polymer precursor, excessive doping causes the system to be phase-separated, greatly affecting the properties of the material.
- POSS Polyhedral Oligomeric Silsesquioxane
- the basic composition is composed of a Si-0 bond, and the side chain is a variety of organic groups bonded to a silicon atom. Therefore, the structure of the silicone material contains both an organic group and an inorganic skeleton.
- P0SS monomer Since the P0SS monomer is soluble in the process of mixing, it can be considered as a polymer which is formed in the true sense of molecular level dispersion, which has many characteristics that cannot be achieved by nanomaterial additives: P0SS skeleton is dispersed in the nanometer scale in the polymerization.
- the substrate has the advantages of low density, good monodispersity, no moisture absorption, and high thermal stability; its excellent compatibility overcomes the problem of weak phase interface of the composite during blending.
- Organic polymer polymerization can produce organic/inorganic nanocomposites. Due to the presence of inorganic nanophases, the material has a great leap in performance, and has become an important means of preparing high-performance and functional materials. It is the most dynamic and dynamic field in materials science.
- US Patent No. 007691275B2 describes and discloses a P0SS compound containing an active hydrogen functional group, and combines the P0SS compound and a monomer of a double bond functional group to form an imprinted photoresist composition, further passing ultraviolet nanoimprinting. Form nanopatterns.
- Patent US20110062619A1 describes and discloses a process for preparing a methoxysilane-containing P0SS compound, and this P0SS compound is used in nanoimprinting by thermal polymerization.
- Patent US20080166871A1 describes and discloses a P0SS containing an acrylate or epoxy functional group, and forms the P0SS compound with other diluents and photoinitiators to form an imprinted photoresist composition, and further forms a nanometer by ultraviolet nanoimprinting. Graphics. It is apparent that in the prior art, the P0SS compound is an essential component of the embossing composition, and the mechanical properties, thermal properties, etching resistance and the like of the polymer film can be remarkably improved.
- the present invention is directed to the above-mentioned deficiencies of the prior art by using a fluorenyl-containing low polypolysiloxane compound.
- the thiol end group grafts a low surface energy organic functional group, combining the advantages of thiol click chemistry and P0SS fluoride to develop a novel compound for the preparation of embossed soft stencils and violet photoresist.
- the soft template prepared by the photoresist composition has low surface tension, high mold release efficiency, high mechanical strength, and the present invention further applies the soft template to commercial ultraviolet photoresist imprinting, and obtains good mold release. Effects and a wide range of high-definition graphics structures.
- the photoresist provided by the invention can be used not only as a soft template in the imprint technique, but also as a sacrificial layer in the imprint technique due to the high resistance to oxygen etching.
- the invention is achieved by the following technical solutions:
- the present invention provides a fluorenyl-containing polyfunctional fluorene-containing polysiloxane compound represented by the formula (1), m ⁇ (SiO ⁇ CH ⁇ HsCHsSRa ) n (1) wherein R - CH 2 -CH 2 - C3 ⁇ 4 -SH, m represents an integer of from 3 to 12; R 2 is an unsubstituted or substituted fluorenyl group, an unsubstituted or substituted ester group, and an unsubstituted or substituted aryl group, respectively.
- the substituent is a halogen atom or a silicon atom, and n represents an integer of 1 to 12.
- the present invention also provides a method according to the above, wherein R 2 is an unsubstituted or substituted Ci—Cw alkyl group, an unsubstituted or substituted C 3 -C 15 ester group or none. C 6 - C 2 substituted or substituted with a substituent.
- the aromatic group, the substituent is a fluorine atom, a chlorine atom, a bromine atom, an iodine atom or a silicon atom.
- the present invention also provides a technical solution based on the above technical solution, wherein the C 3 - C 15 ester group is a C 3 - C 15 ester group substituted by fluorine.
- the present invention also provides a solution based on the above, wherein the fluorine-substituted C 3 - C 15 ester group is propionic acid 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 8-trifluorooctyl ester or 2-methyl-propionic acid
- the present invention also provides a technical solution based on the above technical solution, wherein the C 6 -C 2Q aryl group is a phenethyl group.
- the present invention also provides a Ci- based on the above technical solution.
- the thiol group is replaced by fluorine.
- the present invention also provides a method according to the above, wherein the fluorine is substituted.
- the fluorenyl group is a technical solution of 1, 1, 1 , 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8-heptadefluoro-fluorenyl.
- the present invention provides a composition for preparing a soft template in an imprinting process, comprising the compound shown above.
- the present invention also provides a composition based on the soft template described above, further comprising a composition of a compound of the formula (2), a crosslinking agent and a soft template of a photoinitiator,
- CHR CR ⁇ (2) Ri, R 2 and R 3 in the formula (2) are each a hydrogen atom, a d-alkyl group, and d-C 2 . Alkoxy, C 6 - C 2 . Aromatic groups, C, - C 2 . ⁇ ⁇ , C 3 -C 2 . Cyclodecyl, C 3 -C 2 .
- the imide group, the formula (2) may be substituted by a halogen atom or a silicon atom.
- the present invention also provides a composition based on the soft template described above, wherein the compound of the formula (2) is selected from the group consisting of C 3 -C 15 olefins, C 3 - C 15 vinyl ethers, C 3 - C 15 vinyl groups Amide, C 3 -C 2 . (Meth)acrylate, a composition in which the substituent is a fluorine atom or a soft template of a silicon atom.
- the present invention also provides a composition based on the soft template, the C 3 - C 15 olefins selected from 1-butene, 1-hexene, 1-heptene, perfluoro-hexene, heptene, or perfluoro a fluorofluoroheptene;
- the C 3 -C 15 vinyl ether is selected from the group consisting of vinyl ethyl ether, vinyl butyl ether, vinyl hexane glycol ether, 2, 2, 2-trifluoroethyl vinyl ether or 2-perfluoro Propoxy perfluoropropyl trifluorovinyl ether; said C 3 - C 2 .
- (Meth)acrylate is selected from crotonate, benzyl methacrylate, phenoxyethylene glycol acrylate, 1H, 1H, 2H, 2H-perfluorooctyl acrylate, 1H, 1H, 2H, 2H a composition of perfluorodecyl acrylate or a soft template of 1H, 1H, 7H-dodecafluoroheptyl methacrylate.
- the present invention also provides a composition based on the soft template described above, wherein the compound of the formula (2) is benzyl methacrylate, 1H, 1H, 2H, 2H-perfluorooctyl acrylate, 1H, 1H, A composition of a soft template of 2H, 2H-perfluorononanol acrylate.
- the present invention also provides a composition based on the soft template described above, wherein the crosslinking agent is selected from the group consisting of 1, 4-butadiene, 2,5-dimethyl-1,5-hexadien-3-ol, Perfluorohexadiene, 1,3-diethylene-1,1,3,3-tetramethyldisiloxane, neopentyl glycol diacrylate, 1,6-hexanediol diacrylate, dipropylene glycol Diacrylate, 1,6-bis(acryloyloxy)-2, 2, 3, 3, 4, 4, 5, 5-octafluorohexane, 1,5-bis(acryloyloxy)-2 , 2, 3, 3, 4, 4- A composition of a soft template of hexafluoropentane, trimethylolpropane trimethacrylate, trimethylolpropane triacrylate.
- the crosslinking agent is selected from the group consisting of 1, 4-butadiene, 2,5-dimethyl-1,5
- the present invention also provides a composition based on the soft template described above, wherein the compound of the formula (1) is 5 to 65 mass%, the compound of the formula (2) is 10 to 60 mass%, and the crosslinking agent is 5
- the composition of the soft template is 5% by mass, and the photoinitiator is 0.3 to 3 mass%, and the sum of the masses of the components is 100%.
- the present invention provides an embossed soft template formed from the above-described ultraviolet photoresist composition.
- the invention provides a method for preparing an embossed soft template, which comprises the following steps:
- embossed UV photoresist (2) of the composition of any one of claims 8 to 14 is spin-coated on the surface of the modified quartz plate (3) under the following conditions: at 300 rpm After rotating the film for 10 seconds,
- the film was rotated at 3000 rpm for 20 seconds to obtain a film thickness of 750 ⁇ 5 nm ;
- the quartz plate (3) with the UV photoresist (2) is brought into contact with the quartz template (1), placed in an imprinting machine, evacuated for 3 minutes, and 100 N is applied to the quartz template (1).
- the present invention provides a process for imprinting a photoresist and an embossed pattern obtained by using the above-described soft mold.
- composition system using the compound of the formula (1) and the compound of the formula (2) is transparent, uniform, stable, and has good storage properties, and is also desirable because it has a low viscosity and is convenient for spin coating. Applied to the imprint process operation, the damage to the quartz template is reduced.
- the composition can also be applied to the preparation of embossed soft stencils, and the embossed soft stencil produced has a large static water contact angle, so that it has superior hydrophobic properties.
- the soft template can be used to imprint the defect-free surface. No peeling, structurally complete graphics, the soft template has excellent technical effects.
- the embossed soft template prepared by the composition has high mechanical strength, is convenient for repeated embossing and does not need to be modified again, and improves the use of the soft template. Compared with the soft stencil made by the existing photoresist, the remarkable technical effects are mainly reflected in:
- the photoresist has a low viscosity, which is convenient for spin coating and imprint process operations.
- the soft template has high mechanical strength and wear resistance, which improves the use rate of the template.
- the low surface energy of the soft template helps to improve the demolding efficiency, and the surface of the template does not need further modification.
- the obtained embossed pattern has no defects, no peeling on the surface and complete structure.
- Figure 1 is a structural diagram of the compounds synthesized in the columns 1-5 and corresponding nuclear magnetic hydrogen diagrams: Figure 1 (a): P0SS-SH;
- Figure 2 is a process flow for soft stencil fabrication and imprinting of a conventional commercial photoresist.
- Figures 3(a), (c) and (e) show the different structural patterns of the quartz template 1 respectively: (&) 3.00 ⁇ lattice, (c) 350nm lattice, (e) 700nm grating;
- 3(b), (d) and (f) respectively utilize the quartz template 1 having Figs. 3(a), (c) and (e) and the ultraviolet photoresist JTHC-B- in the following examples.
- 1 Corresponding figures of the soft template prepared by the composition: (b) 3 ⁇ 00 ⁇ dot matrix, (d) 350 nm dot matrix, (f) 700 nm grating.
- Figure 4 is an SEM image, respectively: Figure 4 (a) 200 nm lattice quartz template 1; Figures 4 (b), 4 (c) are the JTHC-B-2 ultraviolet photoresist composition of the following examples, The pattern of the soft template 4 prepared by the commercial glue Sylgardl 84 composition through the template 1 (Fig. 4 (a)); Fig. 4 (d) and Fig. 4 (e) are the two types of soft templates prepared in the above-mentioned, respectively.
- Figure 5 is a soft template 4 embossed commercial glue Watershed 11120 of different structures and sizes prepared by using the UV photoresist JTHC-B-2 composition of the following examples, which is obtained by patterning after curing.
- Figure 6 is a (a) pattern of a soft template prepared by using the ultraviolet photoresist JTHC-B-2 composition of the following examples, and (b) and (c) are respectively the ultraviolet rays of the following examples.
- the present invention provides a fluorenyl-containing polyfunctional group-containing low-poly polysiloxane compound represented by the formula (1), (SiO ⁇ R m ⁇ (SiO L 5 CH 2 CH 2 CH 2 SR 2 ) n (1) wherein is - CH 2 - C -CH 2 - SH, m represents an integer of 3 ⁇ 12; R 2 are unsubstituted or substituted alkyl with the substituent group, substituted or unsubstituted ester group, and a substituted or unsubstituted An aromatic group substituted with a substituent, wherein the substituent is a halogen atom or a silicon atom, and ⁇ represents an integer of 1 to 12.
- the above are respectively an unsubstituted or substituted d-fluorenyl group, an unsubstituted or substituted group. a substituted C 3 -C 15 ester group or a C 6 -C 2 aryl group which is unsubstituted or substituted with a substituent, and the substituent is a fluorine atom, a chlorine atom, a bromine atom, an iodine atom or a silicon atom.
- C 3 - C 15 ester group is preferably a fluorine-substituted C 3 - C 15 ester group, the fluorine-substituted C 3 -C 15 acid ester is a 3, 3, 4, 4, 5, 5 , 6, 6, 7, 7, 8, 8, 8 -tridecafluorooctyl or 2-methyl-propionic acid
- the present invention relates to a process for preparing a fluorenyl-containing polyfunctional low polypolysiloxane compound represented by the general formula (1), which method comprises the following steps in sequence:
- Step (1) can be prepared according to the following recognized technique [1 ' 2] :
- a silicon germanium monomer or a mixture thereof, concentrated hydrochloric acid is sequentially added to a one-necked flask equipped with a magnetic stirrer, and then dissolved in a certain amount of methanol solvent, and after refluxing for a while, the mixture is allowed to stand, and then filtered.
- the supernatant liquid is obtained as a milky white product, and the milky white product is dissolved in dichloromethane, and then added.
- the methanol solvent was allowed to settle, and after repeated three times, the solvent was evaporated by rotary evaporation, and the solvent was evaporated to obtain a purified fluorenyl-containing low-poly polysiloxane compound (P0SS-SH for short).
- the silane monomer or a mixture thereof used in the foregoing step is (3-mercaptopropyl)trimethoxysilane (TPS), (3-mercaptopropyl)trimethoxysilane (TPS) and n-octyltriethoxy a mixture of silicon germanium (0TES)., a mixture of (3-mercaptopropyl)trimethoxysilane (TPS) and phenyltrimethoxysilane (PTMS), (3-mercaptopropyl)trimethoxysilane (TPS) A mixture with 1, 1, 1, 2, 2, 3, 3, 4, 4, 5, 6, 7-dodecafluorodecyltrimethoxysilane (FPTES).
- the heating and refluxing means refluxing at 50-100 ° C for 24-40 hours.
- the concentrated hydrochloric acid has a mass concentration range of 35-37%.
- Step (2) sequentially adding the thiol-containing low-polysiloxane compound (POSS-SH) prepared above with a double bond-containing monomer and a photoinitiator to a closed reagent bottle with a magnetic stirrer Then, a small amount of dichloromethane solvent is added to dissolve, and the reaction is stirred under ultraviolet light at room temperature. After the reaction is completed, the clear solution obtained by the reaction is sedimented with n-hexane, and after standing for a while, the supernatant liquid is filtered off to obtain a liquid viscosity. Thick sediment. The liquid viscous sediment is dissolved with a small amount of methylene chloride, and the excess hexane is added to carry out product sedimentation. After repeated three times, the finally obtained liquid viscous sediment is subjected to rotary evaporation, and the solvent is evaporated to obtain a general formula (1). a purified product of the compound.
- PPS-SH thiol-containing low-poly
- the solvent used in this step may also be one or a mixture of dichloromethane, chloroform, tetrahydrofuran, and toluene. Preferred is dichloromethane, chloroform.
- the double bond-containing monomer is selected from a C 3 -c 15 olefin which is unsubstituted or substituted by a substituent, a C 3 -c 15 vinyl ether which is unsubstituted or substituted by a substituent, is unsubstituted or substituted by a substituent.
- c 3 -c 2 (Methyl) acrylate compound.
- the substituent is a fluorine, chlorine, bromine, iodine atom or a silicon atom, preferably a fluorine atom.
- the unsubstituted or substituted C 3 -C 15 olefin preferably 1H, 1H, 2H-perfluoro-1-decene, 1H, 1H, 2H-perfluoro-1-hexene, styrene , p-methylstyrene or 2, 3, 4, 5, 6-pentafluorostyrene.
- the unsubstituted or substituted C 3 -C 15 vinyl ether preferably 2, 2, 2-trifluoroethyl vinyl ether, 2-perfluoropropoxy perfluoropropyl trifluorovinyl ether .
- the double bond-containing monomer is preferably styrene, 1H, 1H, 2H-perfluoro-1-nonene, 1H, 1H, 2H, 2H-perfluorooctyl acrylate or 1H, 1H, 7H-ten Difluoroheptyl methacrylate.
- the photoinitiator is selected from a hydrogen abstraction type or a cleavage type free radical photoinitiator: 1-hydroxycyclohexyl phenyl ketone, benzophenone, isopropyl thioxanthone (abbreviation: ITX), 2, 4 , one or a combination of 6-trimethylbenzophenone, a-hydroxydecyl benzophenone, benzyl diformaldehyde acetophenone or ⁇ -aminoalkyl benzophenone (abbreviation . 1-907) It is preferably a combination of ⁇ -aminomercaptophenone and isopropyl thioxanthone.
- the mass concentration range of the photoinitiator is: 0. 3-3 %;
- the time range of the ultraviolet light is: 4-24 hours;
- the ultraviolet band 300-400 nm ;
- a second invention of the present invention provides an ultraviolet resist composition comprising the compound of the above formula (1) and the compound of the formula (2),
- a hydrogen atom d-C 2Q fluorenyl group, and dC 2 , respectively .
- Alkoxy C 6 - C 2 .
- Aromatic group d-C 2 .
- Ester group C 3 -C 2 .
- a cyclodecyl group a C 3 -C 2Q imide group
- the formula (2) may be substituted by a halogen atom or a silicon atom.
- the compound of the formula (2) is selected from the group consisting of C 3 -C 15 olefins, C 3 -C 15 vinyl ethers, C 3 -C 15 vinyl amides, C 3 -C 2 .
- the 3- ( 15 olefin) is selected from 1-butene, 1-hexene, 1-heptene, perfluorohexene, perfluoroheptene or PFH;
- the C 3 - C 15 vinyl ether is selected From vinyl ethyl ether, vinyl butyl ether, vinyl hexane glycol ether, 2, 2, 2-trifluoroethyl vinyl ether or 2-perfluoropropoxy perfluoropropyl trifluorovinyl ether;
- 3 - C 2 (meth) acrylate selected from crotonate, benzyl methacrylate, phenoxyethylene glycol acrylate, 1H, 1H, 2H, 2H-perfluorooctyl acrylate, 1H, 1H, 2H, 2H-perfluorononanol acrylate or 1H, 1H, 7H-d
- the compound of the formula (2) in the ultraviolet photoresist composition is Benzyl methacrylate, 1H, 1H, 2H, 2H-perfluorooctyl acrylate, 1H, 1H, 2H, 2H-perfluorononanol acrylate.
- the ultraviolet photoresist composition further contains a crosslinking agent and a photoinitiator.
- the crosslinking agent in the ultraviolet photoresist composition is selected from a double bond having a functional group of not less than two
- the methacrylate compound may have a plurality of hetero atom substituents such as a halogen atom or a silicon atom, if necessary. A fluorine atom or a silicon atom is preferred.
- the crosslinking agent in the ultraviolet photoresist composition is selected from the group consisting of 1, 4-butadiene, 2,5-dimethyl-1, 5-hexadien-3-ol, and perfluorohexane Alkene, 1,3-diethylene-1,1,3,3-tetramethyldisiloxane, neopentyl glycol diacrylate, 1,6-hexanediol diacrylate, dipropylene glycol diacrylate, 1,6-bis(acryloyloxy)-2,2,3,3,4,4,5,5-octafluorohexanyl, 1,5-bis(acryloyloxy)-2, 2, 3 , 3, 4, 4-hexafluoropentafluorene, trishydroxymethylpropionate trimethacrylate, trimethylolpropane triacrylate (TMPTA).
- TMPTA trimethylolpropane triacrylate
- Preferred is 1, 3-diethylene-1,1,3,3-tetramethyldisiloxane, trimethylolpropane triacrylate or 1,6-bis(acryloyloxy)-2. 2, 3, 3, 4, 4, 5, 5-octafluorohexane.
- the photoinitiator is a hydrogen abstraction type or a cleavage type free radical photoinitiator selected from the group consisting of 1-hydroxycyclohexyl phenyl ketone, benzophenone, isopropyl thioxanthone (ITX), 2, 4, 6 Or one or a combination of trimethyl benzophenone, ⁇ -hydroxyalkylphenone, benzyl diformaldehyde acetophenone or ct-amine decyl ketone (1-907), preferably ⁇ - Amino benzophenone (1-907).
- each component in the ultraviolet photoresist composition is: in terms of mass%, the compound of the formula (1) is 5 to 65% by mass, and the compound of the formula (2) is 10
- the sum of the mass of each component is 100.
- the mass of the photoinitiator is 0.3 to 3 mass%, and the sum of the masses of the components is 100.
- each component in the ultraviolet photoresist composition is: in terms of mass%, the compound of the formula (1) is 19 to 50% by mass, and the formula (2) The compound is 10 to 50% by mass, the crosslinking agent is 10 to 60% by mass, the photoinitiator is 0.3 to 1% by mass, and the sum of the masses of the components is 100.
- the above ultraviolet photoresist composition is prepared by sequentially adding a compound of the formula (1), a compound of the formula (2), a crosslinking agent, a photoinitiator and a desired auxiliary agent to a magnetic stirrer. In a sealed reagent bottle, stir and mix well, dilute with anhydrous chloroform, and then use a filter to micro-filter to prepare an ultraviolet photoresist composition, and store it in the dark at low temperature for use.
- the diluted mass concentration of the composition with anhydrous chloroform is: 5-20%;
- the ultraviolet photoresist composition is clarified and transparent at a normal temperature of 15 to 30 ⁇ when solvent-free dilution. Liquid.
- the invention also relates to a soft template and a method of manufacturing the same, which is illustrated in Figures 2(A)-(C):
- the imprinted UV photoresist 2 of the present invention is spin-coated on the surface of the modified quartz plate 3.
- the spin coating means that the film was rotated at 300 rpm for 10 seconds, and then the film was rotated at 3000 rpm for 20 seconds to obtain a film thickness of 750 ⁇ 5 nm.
- the cured quartz plate 3 with the nanopattern of the quartz template 1 is separated from the quartz template 1 (i.e., demolded) to obtain a soft template 4 having a pattern after curing. Then, the quartz piece 3 with the soft template 4 was further aged at 10 CTC for 3 hours, and used as an imprinted soft template (a combination of the soft template 4 and the quartz plate 3) after aging.
- the invention also relates to a process for soft stencil imprinting photoresist, as shown in Figures 2(D)-(F):
- the viscosity of the UV photoresist composition is calculated by a trace Oswald viscometer at 25 ° C, by the flow time of the liquid sample and water, the sample density and the viscosity of the water.
- the specific calculation formula is as follows: Pi U
- P i and P For UV photoresist density and water density, t. The time required for the sample and water to flow through the same volume, respectively, if the viscosity of the reference liquid 0 is known to be at a certain temperature:! . And P Q , and measured P i, to, ti can determine the viscosity of the sample at this temperature. '
- the Young's modulus and hardness of the polymer film formed after curing were measured by an in situ nanomechanical test system (Hysitron TI-900 Tribolndenter; USA) at room temperature, taking the lowest value.
- the static water contact angle of the polymer film formed after curing is through the surface angle contactor
- the surface energy of the polymer film formed after curing can be measured by the method described in the following Document 3, that is, by using a surface angular contact meter (SL200B; USA), three different solvents are selected, and the contact angle is measured, and the pass angle is measured.
- the Young's equation calculates the surface energy of the material [4] .
- Example 2 In a sealed reagent bottle with a magnetic stirrer, the POSS-SH, really ethylene obtained in Example 1 was sequentially added to the methylene chloride in the reagent bottle, wherein the molar ratio of POSS-SH to styrene was For 1:4, the initiator 1-907 and ITX account for 5% of the total mass of the system.
- the reaction was stirred under a UV light of 365 nm for 12 hours, and the precipitate was added to n-hexane. The supernatant was filtered off. After repeated three times, the solvent was evaporated to dryness to give the product POSS-SS-SH (see Figure 1 (d)). .
- the P0SS-SH obtained in Example 1 was 1H,1H,2H-perfluoro-1-pyrene (PFDE 8 for short), added to the dichloromethane in the reagent bottle, wherein the molar ratio of P0SS-SH to PFDE 8 is 1:4, initiator 1-907 And IT accounted for 5% of the total system quality, and the light was reacted for 6 hours under a 365 nm UV lamp. After adding hexamidine, the supernatant was filtered off. After repeated three times, the solvent was evaporated to dryness to obtain the product P0SS-SPFDE 8 - SH. (See Figure 1 (e)).
- Photoinitiator, P0SS-SCFA 6 - SH 0. 5g, benzyl methacrylate (BMA) monomer 0. 3g, crosslinker trimethylolpropane trimethacrylate (TMPT) 0. 2g, photoinitiator 1-907 0. 010g, added to the reagent bottle one by one, stir and mix well.
- BMA benzyl methacrylate
- TMPT crosslinker trimethylolpropane trimethacrylate
- photoinitiator 1-907 0. 010g added to the reagent bottle one by one, stir and mix well.
- the obtained mixture was subjected to microfiltration using a 0.25 ⁇ m filter, and the obtained UV-ray resist composition of the filtrate was diluted with anhydrous chloroform to a mass concentration of 20%, and stored in the dark for storage.
- the obtained mixture was subjected to microfiltration using a 0.25 ⁇ m filter, and the obtained UV-ray resist composition of the filtrate was diluted with anhydrous chloroform to a mass concentration of 20%, and stored in the dark for storage.
- Photoinitiator 1 The POSS-SH 0. 3g, benzyl methacrylate 0. 5g, crosslinker trimethylolpropane trimethacrylate (TMPT) 0. 2g, photoinitiator 1 -907 0. 010g , added to the reagent bottle one by one, stir and mix well.
- the mixed UV photoresist composition was weighed and dried with anhydrous chloroform to a mass concentration of 5%.
- the photoresist of the present invention was microfiltered using a 0.25 micron filter, and stored in the dark and frozen to form an ultraviolet photoresist composition JTHC-A-1.
- Comparative Example 1 differs from the embodiment of the present invention in that it does not contain any fluorine-containing component in the composition of this comparative example.
- Example 2 The P0SS-SH 0. 3g, 1H, 1H, 2H, 2H-perfluorooctyl acrylate (CFA 6 ) obtained in Example 1 was weighed separately. 0.4 g, 1,6-bis(acryloyloxy) )- 2,2,3,3,4, 4,5, 5-octafluorohexanide 0. 30g, photoinitiator 1-907 0. 003g, one by one, added to the reagent bottle, stirred and mixed uniformly to form JTHC- A-2.
- the system after mixing is turbid and opaque, and phase separation occurs.
- Comparative Example 2 differs from the embodiment provided by the present invention in that no grafted fluorine-containing groups are used. Comparative Example 3 Composition JTHC-A-3
- TMPT tetramethyl (meth) propyl methacrylate
- Comparative Example 3 differs from the embodiment 8 provided by the present invention in that POSS-SCFA 6 -SH was replaced with tetrakis(3-mercaptopropionic acid) pentaerythritol ester (PTMP).
- PTMP tetrakis(3-mercaptopropionic acid) pentaerythritol ester
- Dow Corning SYLGARD 184 Silicone Rubber is a two component kit consisting of liquid components, including essential components and curing agents.
- the base component and the curing agent are thoroughly mixed in a weight ratio of 10:1. Regardless of the thickness, the mixture will cure into a flexible, transparent elastomer for electronic/electrical packaging and potting applications.
- the composition is often used as a thermosetting silica gel for preparing a soft template, and is currently the most commonly used composition for soft template production.
- PTMP pentaerythritol ester
- DMPA 2,2-dimethoxy-phenylethanone
- PTMP tetrakis(3-mercaptopropionic acid) pentaerythritol ester
- the initiator 2,2-dimethoxy-phenylethanone forms an SB5 ultraviolet photoresist.
- PTMP tetrakis(3-mercaptopropionic acid) pentaerythritol ester
- the initiator 2,2-dimethoxy-phenylethanone forms an SB6 ultraviolet photoresist.
- the main components include: tetrakis(3-propionylpropionic acid) pentaerythritol ester ( ⁇ ), 2,2-di-acryloyloxymethyl-butyl acrylate
- the photoinitiator 2,2-dimethoxy-phenylethanone forms a ⁇ 2 ultraviolet photoresist.
- a soft template was prepared by the following method, and used as an imprinted soft template for the imprint process. as shown in picture 2:
- the substrate quartz plate 3 and the silicon wafer 6 are modified: the quartz plate 3 and the silicon wafer 6 to be modified are placed in a volume of 98% H 2 S0 4 : 30% H 2 0 2 It is treated at a temperature of 150 ° C for 3-7 hours in a mixed solution of 3:1. Acetone and alcohol were washed several times, dried, and then vacuum dried at 120 Torr for 8-12 hours. The dried substrate quartz plate 3 and the silicon wafer 6 were immersed in a mass fraction of 0.2% 3-(trimethoxysilyl) propyl-2-methyl-2-acrylate (MAPTES). In a water toluene solution, seal and store for 4-6 hours. The substrate quartz plate 3 and the silicon wafer 6 were washed with acetone, and nitrogen was blown dry for use, thereby completing the process of modifying the substrate quartz plate 3 and the silicon wafer 6.
- MAPTES 3-(trimethoxysilyl) propyl-2-methyl-2-acrylate
- ⁇ Coating on the modified substrate quartz plate 3 by a spin coating process Using the ultraviolet photoresist JTHC-B-1 provided in Example 6 as the imprinting photoresist 2, the coating film is rotated under the following conditions: 300 rpm, time 10 seconds; high speed 3000 rpm, time 20 seconds, film thickness 750 ⁇ 5 nm.
- the quartz plate 3 with the ultraviolet photoresist 2 is connected to the quartz template 1. Touch and put them together in the press. Vacuum was applied for 3 minutes, and a pressure of 100 N was applied to the quartz template 1 and exposed to an ultraviolet lamp of 365 nm for 3 minutes.
- the cured quartz plate 3 with the quartz template 1 and the nano-patterned quartz plate 3 are detached from the detached quartz template 1 (ie, demolded), and a soft template with a pattern after curing can be obtained. 4. Then, the quartz piece 3 with the soft template 4 was further aged at 100 Torr for 3 hours, and used as an embossing template after aging.
- the existing commercial photoresist 5 is spin-coated on the modified silicon substrate 6.
- the spin coating refers to: rotating the film at 300 rpm for 10 seconds, and then The coating film was rotated at 5000 rpm for 20 seconds to obtain a film thickness of 500 ⁇ 5 nm.
- the quartz plate 3 with the soft template 4 pattern obtained as described above is oriented to the commercial photoresist 5 with the soft template 4 as shown in FIG. 2(D).
- the soft template 4 is overlaid on the commercial photoresist 5, and placed in the stamping machine together with the silicon substrate 6.
- the nanopattern of the soft template 4 was reproduced on a commercial photoresist 5, vacuum was applied for 3 minutes, a pressure of 100 N was applied to the template, and exposure was performed by exposure to a 365 nm ultraviolet lamp for 3 minutes.
- Example 12 The rest of the steps were the same as in Example 12 except that the ultraviolet photoresist JTHC-B-5 of Example 10 was used.
- Example 12 The rest of the steps were the same as in Example 12 except that the photoresist composition JTHC-A-1 formed in Comparative Example 1 was used, and the soft template (C-1) of Comparative Example 1 was formed. :
- Example 12 The rest of the procedure was the same as in Example 12 except that the ultraviolet resist composition SB5 of Comparative Example 6 was used, and the soft template (C-5) of Comparative Example 6 was formed.
- Example 12 The remaining steps were the same as in Example 12 except that the UV resist composition SB6 of Comparative Example 7 was used, and a soft template (C-6) of Comparative 7 was formed.
- Example 8 1-907 Low surface energy, suitable for off
- a successful UV photoresist composition must first ensure uniformity of the system, no phase separation before and after curing, good stability, and good storage performance.
- the composition of POSS-SH and the fluorine-containing acrylic monomer or fluorine-containing olefin is immiscible throughout the system, and significant phase separation occurs. It is obviously not suitable for the nanoimprinting system, and the fluorinated P0SS-SH of the present invention has good compatibility with the fluorine-containing monomer and the crosslinking agent, and all the implementation systems are transparent and uniform, and have good stability. Has good storage performance.
- the UV photoresist provided by the invention has no phase separation behavior after curing, indicating that the cured polymer film has stable mechanical properties and uniform mechanical properties.
- the ultraviolet photoresist composition of the present invention has a lower viscosity than the commercial rubber Sylgard 184, so that the pressure required for the corresponding imprinting is relatively small, which is advantageous for low-cost printing and low pressure. It is beneficial to reduce the damage to the quartz template.
- the mechanical strength of the polymer film formed by curing the ultraviolet photoresist of the present invention Compared with the commercial photoresist Sylgard 184 and the UV photoresist compositions of Comparative Examples 5-8 (SB4-SB6 and T2), the Young's modulus and hardness are greatly improved due to the introduction of the rigid structure of P0SS, indicating the present invention.
- the provided UV photoresist composition can have strong mechanical properties if used as a soft stencil material.
- Figure 4 is an SEM image, respectively: Figure 4 (a) 200nm lattice quartz template 1; Figures 4 (b), 4 (c) are the JTHC-B-2 UV photoresist composition in the examples, respectively, commercial The pattern of the soft template 4 prepared by the template S1 (d) and Fig. 4 (e) are the two soft templates prepared by the above-mentioned composition of the gel Sylgard 184 composition (Fig. 4 (a)); 4 (b), 4 (c)) sequentially embossed the commercial glue watershed 11120, and cured the pattern of the imprinted polymeric film 7 obtained after demolding.
- the cured film of the commercial rubber Sylgard 184 soft template (Fig. 4 (c)) is embossed after demolding due to its small modulus (18 MPa) and hardness (2 IMPa).
- the resulting soft template (e.g., soft template 4) is clearly deformed and bent, and it is apparent that the softness of the commercial gum Sylgard 184 composition is required for a graphic imprinting process requiring high resolution and high aspect ratio.
- the template does not guarantee the accuracy of the original pattern.
- the use of the ultraviolet photoresist composition of the present invention as a soft template is superior to the above mechanical properties, that is, its surface energy is low. It is well known that the smaller the surface energy of the soft stencil, the smaller the force between the soft stencil and the cured photoresist embossing film, and the more helpful the demolding. As shown in Table 2, the surface energy (53. OmJ/crn- 2 ) of the UV-free photoresist JTHC-A-1 (Comparative Example 1) after curing is relatively large, and it cannot be removed at all during the experiment. mold.
- the fluorine-containing group grafted on the POSS-SH is used, the surface energy of the polymer film after ultraviolet curing is remarkably lowered, and a good release effect is exhibited during the experiment. It is illustrated that the cured film of the ultraviolet photoresist composition formed using the compound of the present invention can be used as a soft template in the current nanolithographic preparation process due to its low surface energy.
- Figs. 3(a), (c) and (e) are different structural patterns of the quartz template 1 respectively: (a) 3.00 ⁇ lattice, (c) 350 nm lattice, (e) 700 nm grating; Figures 3 (b), (d) and (f) respectively utilize a quartz template 1 having Figures 3 (a), (c) and (e) and a UV photoresist JTHC-B-1 combination in the examples, respectively.
- the corresponding pattern of the soft template produced by the object (b) 3.00 ⁇ lattice, (d) 350nm lattice, (f) 700nm grating.
- the embossed pattern formed after the embossing process that is, the pattern of FIG. 2(F) 7 is free from defects, the surface is not peeled off, and the structure is intact, because of its excellent technical effects, from which the present invention is provided.
- the soft stencil pattern of the photoresist composition is effectively replicated in a wide range, and the nano-sized pattern structure can be embossed in a large area, and has excellent reproducibility.
- Figure 5 is a soft template 4 embossed commercial glue Watershed 11120 of different structures and sizes prepared by using the UV photoresist JTHC-B-2 composition of the embodiment, and cured by demoulding to obtain a graphic commercial adhesive.
- SEM image of film 7 (a) 350 nm grating, (b) 700 nm lattice.
- the cured film 7 obtained by using the composition of the present invention has no defects in the pattern, no peeling of the surface, and a complete structure, indicating that the composition of the present invention can be used as a soft template for imprinting.
- the nano-sized graphic structure is embossed in a large area while being effectively peeled off from the template.
- the soft template formed by using the composition of the present invention can not only emboss patterns of different sizes, but also emboss patterns of different structures. Knowing that the glue is used as a soft template can meet the requirements of different sizes and different structural patterns in actual production.
- Figure 6 is a (a) pattern of a soft template prepared by using the ultraviolet photoresist JTHC-B-2 composition of the examples, (b) and (c) respectively of the ultraviolet photoresist JTHC of the examples.
- the soft template prepared by the -B-2 composition and the soft template prepared from the commercial gum Sylgard 184 composition were printed on 10 times of commercial glue. AFM map after Watershed 11120. It can be seen from Fig. 6 (c) that the commercial glue Sylgard 184 is used as a soft template. After 10 times of application, the surface of the soft template becomes rough and the surface is gradually contaminated, which obviously affects the efficiency and pressure of the template. The integrity of the graphic structure formed after printing. As can be seen from Fig.
- the surface structure of the soft template after 10 times of use is substantially unchanged and the structure is complete, compared with the pattern 6 (a) before use, indicating the ultraviolet photoresist provided by the present invention.
- the use of the composition as a soft template has excellent mold release efficiency and can improve the utilization of the soft form.
- the present invention relates to a compound of the formula (1), a compound using the compound of the formula (1), and the use of the composition as a soft template in an imprinting process, using the compound (1) and the formula
- the composition system of the compound (2) is uniform in transparency, good in stability, good in storage property, and also because it has a low viscosity and is convenient for spin coating, and can be ideally applied to an imprint process operation, and the pair is lowered. Damage to the quartz template.
- the composition can also be applied to the preparation of embossed soft stencils, and the embossed soft stencils produced have a large static water contact angle, so that they have superior hydrophobic properties.
- the soft template can be imprinted without defects. The surface has no peeling and a structurally complete pattern, so the soft template has excellent technical effects.
- the embossed soft template prepared by the composition has high mechanical strength, is convenient for repeated embossing and does not need to be modified again, and improves the use rate of the soft stencil, and the existing photoresist Compared with the soft template produced, its remarkable technical effects are mainly reflected in:
- the photoresist has a low viscosity, which is convenient for spin coating and imprint process operations.
- the soft template has high mechanical strength and wear resistance, which improves the use rate of the template.
- the low surface energy of the soft template helps to improve the demolding efficiency, and the surface of the template does not need further modification.
- the obtained embossed pattern has no defects, no peeling on the surface and complete structure.
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Cited By (6)
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JP2015071741A (ja) * | 2013-09-04 | 2015-04-16 | Jsr株式会社 | 硬化性組成物、ナノインプリント材料、硬化膜、積層体、硬化膜の製造方法、パターン形成方法及び半導体発光素子用基板 |
JP2017501568A (ja) * | 2013-11-29 | 2017-01-12 | エーファウ・グループ・エー・タルナー・ゲーエムベーハー | スタンパ構造を備えたスタンパ並びにその製造方法 |
JP2018505288A (ja) * | 2014-12-10 | 2018-02-22 | ヨアネウム・リサーチ・フォーシュングスゲゼルシャフト・エムベーハー | ポリマー組成物若しくはプレポリマー組成物又はこのような組成物を含むエンボス塗料及びエンボス塗料の使用 |
US9981419B2 (en) | 2013-06-19 | 2018-05-29 | Ev Group E. Thallner Gmbh | Embossing compound for embossing lithography |
JP2018166222A (ja) * | 2018-07-13 | 2018-10-25 | エーファウ・グループ・エー・タルナー・ゲーエムベーハー | スタンパ構造を備えたスタンパ並びにその製造方法 |
US11370888B2 (en) | 2016-06-16 | 2022-06-28 | Dow Silicones Corporation | Silicon-rich silsesquioxane resins |
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CN103279009B (zh) * | 2013-06-14 | 2015-09-30 | 中国科学院光电技术研究所 | 一种柔性紫外光压印复合模板及其制备方法 |
WO2019116204A1 (en) * | 2017-12-14 | 2019-06-20 | 3M Innovative Properties Company | Siloxane-based dual-cure transparent transfer film |
CN111944149A (zh) * | 2019-12-10 | 2020-11-17 | 上海函泰电子科技有限公司 | 笼型聚倍半硅氧烷低聚物、压印型光刻胶及其制备方法 |
JPWO2023074312A1 (zh) * | 2021-11-01 | 2023-05-04 | ||
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Cited By (7)
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US9981419B2 (en) | 2013-06-19 | 2018-05-29 | Ev Group E. Thallner Gmbh | Embossing compound for embossing lithography |
US10589457B2 (en) | 2013-06-19 | 2020-03-17 | Ev Group E. Thallner Gmbh | Embossing compound for embossing lithography |
JP2015071741A (ja) * | 2013-09-04 | 2015-04-16 | Jsr株式会社 | 硬化性組成物、ナノインプリント材料、硬化膜、積層体、硬化膜の製造方法、パターン形成方法及び半導体発光素子用基板 |
JP2017501568A (ja) * | 2013-11-29 | 2017-01-12 | エーファウ・グループ・エー・タルナー・ゲーエムベーハー | スタンパ構造を備えたスタンパ並びにその製造方法 |
JP2018505288A (ja) * | 2014-12-10 | 2018-02-22 | ヨアネウム・リサーチ・フォーシュングスゲゼルシャフト・エムベーハー | ポリマー組成物若しくはプレポリマー組成物又はこのような組成物を含むエンボス塗料及びエンボス塗料の使用 |
US11370888B2 (en) | 2016-06-16 | 2022-06-28 | Dow Silicones Corporation | Silicon-rich silsesquioxane resins |
JP2018166222A (ja) * | 2018-07-13 | 2018-10-25 | エーファウ・グループ・エー・タルナー・ゲーエムベーハー | スタンパ構造を備えたスタンパ並びにその製造方法 |
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