CN107058985A - 一种二氧化钛疏水膜的制备方法 - Google Patents
一种二氧化钛疏水膜的制备方法 Download PDFInfo
- Publication number
- CN107058985A CN107058985A CN201710311374.9A CN201710311374A CN107058985A CN 107058985 A CN107058985 A CN 107058985A CN 201710311374 A CN201710311374 A CN 201710311374A CN 107058985 A CN107058985 A CN 107058985A
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- China
- Prior art keywords
- preparation
- titanium dioxide
- hydrophobic membrane
- base material
- membrane according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 238000002360 preparation method Methods 0.000 title claims abstract description 39
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 34
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 32
- 239000012528 membrane Substances 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 55
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 40
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000010936 titanium Substances 0.000 claims abstract description 33
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 33
- 239000000853 adhesive Substances 0.000 claims abstract description 24
- 230000001070 adhesive effect Effects 0.000 claims abstract description 24
- 239000003002 pH adjusting agent Substances 0.000 claims abstract description 21
- 238000005187 foaming Methods 0.000 claims abstract description 12
- 239000003381 stabilizer Substances 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 238000002604 ultrasonography Methods 0.000 claims abstract description 7
- 210000004379 membrane Anatomy 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 21
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims description 16
- 239000004088 foaming agent Substances 0.000 claims description 15
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 claims description 15
- 150000002148 esters Chemical class 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 238000005245 sintering Methods 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 11
- 241001502050 Acis Species 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 10
- 210000004400 mucous membrane Anatomy 0.000 claims description 10
- -1 polysiloxane Polymers 0.000 claims description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000002161 passivation Methods 0.000 claims description 6
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 6
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 235000019441 ethanol Nutrition 0.000 claims description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 claims description 4
- 235000019253 formic acid Nutrition 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- NCWQJOGVLLNWEO-UHFFFAOYSA-N methylsilicon Chemical compound [Si]C NCWQJOGVLLNWEO-UHFFFAOYSA-N 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 3
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims 1
- 238000007664 blowing Methods 0.000 claims 1
- 230000029219 regulation of pH Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000007654 immersion Methods 0.000 abstract 1
- 239000002585 base Substances 0.000 description 29
- 238000000034 method Methods 0.000 description 5
- 230000003075 superhydrophobic effect Effects 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 3
- CVBUKMMMRLOKQR-UHFFFAOYSA-N 1-phenylbutane-1,3-dione Chemical compound CC(=O)CC(=O)C1=CC=CC=C1 CVBUKMMMRLOKQR-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1204—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material inorganic material, e.g. non-oxide and non-metallic such as sulfides, nitrides based compounds
- C23C18/1208—Oxides, e.g. ceramics
- C23C18/1216—Metal oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/1229—Composition of the substrate
- C23C18/1245—Inorganic substrates other than metallic
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/02—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition
- C23C18/12—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
- C23C18/125—Process of deposition of the inorganic material
- C23C18/1254—Sol or sol-gel processing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemically Coating (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710311374.9A CN107058985B (zh) | 2017-05-05 | 2017-05-05 | 一种二氧化钛疏水膜的制备方法 |
Applications Claiming Priority (1)
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CN201710311374.9A CN107058985B (zh) | 2017-05-05 | 2017-05-05 | 一种二氧化钛疏水膜的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN107058985A true CN107058985A (zh) | 2017-08-18 |
CN107058985B CN107058985B (zh) | 2018-12-04 |
Family
ID=59596142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710311374.9A Expired - Fee Related CN107058985B (zh) | 2017-05-05 | 2017-05-05 | 一种二氧化钛疏水膜的制备方法 |
Country Status (1)
Country | Link |
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CN (1) | CN107058985B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108754460A (zh) * | 2018-05-18 | 2018-11-06 | 蚌埠心里程电子科技有限公司 | 一种金属表面防腐自清洁处理方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003238947A (ja) * | 2002-02-15 | 2003-08-27 | Tokiaki Shiratori | 超撥水性膜、及び、超撥水性膜の製造方法 |
CN1663693A (zh) * | 2005-04-08 | 2005-09-07 | 厦门大学 | 一种金属表面超双疏微纳米膜制备方法 |
US20100272988A1 (en) * | 2009-04-27 | 2010-10-28 | Tatung University | Hydrophilic-hydrophobic transformable composite film and the method of fabricating the same |
CN102553813A (zh) * | 2012-02-17 | 2012-07-11 | 天津大学 | 一种在金属表面制备微纳米二氧化钛及其疏水薄膜的溶胶凝胶方法 |
CN104176774A (zh) * | 2014-07-24 | 2014-12-03 | 西安理工大学 | 一种二氧化钛超疏水薄膜的制备方法 |
CN104817279A (zh) * | 2015-04-17 | 2015-08-05 | 天津理工大学 | 一种纳米二氧化钛超疏水膜的制备方法 |
-
2017
- 2017-05-05 CN CN201710311374.9A patent/CN107058985B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003238947A (ja) * | 2002-02-15 | 2003-08-27 | Tokiaki Shiratori | 超撥水性膜、及び、超撥水性膜の製造方法 |
CN1663693A (zh) * | 2005-04-08 | 2005-09-07 | 厦门大学 | 一种金属表面超双疏微纳米膜制备方法 |
US20100272988A1 (en) * | 2009-04-27 | 2010-10-28 | Tatung University | Hydrophilic-hydrophobic transformable composite film and the method of fabricating the same |
CN102553813A (zh) * | 2012-02-17 | 2012-07-11 | 天津大学 | 一种在金属表面制备微纳米二氧化钛及其疏水薄膜的溶胶凝胶方法 |
CN104176774A (zh) * | 2014-07-24 | 2014-12-03 | 西安理工大学 | 一种二氧化钛超疏水薄膜的制备方法 |
CN104817279A (zh) * | 2015-04-17 | 2015-08-05 | 天津理工大学 | 一种纳米二氧化钛超疏水膜的制备方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108754460A (zh) * | 2018-05-18 | 2018-11-06 | 蚌埠心里程电子科技有限公司 | 一种金属表面防腐自清洁处理方法 |
Also Published As
Publication number | Publication date |
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CN107058985B (zh) | 2018-12-04 |
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Effective date of registration: 20181022 Address after: 312030 Zhongzhuang village, Lizhu Town, Keqiao District, Shaoxing, Zhejiang, China Applicant after: Shaoxing Ze Mei Textile Co., Ltd. Address before: 432000 No. 12, No. fourth, Polyflor Plaza, No. 23 Changzheng Road, Xiaogan, Hubei, 1216 Applicant before: Xiaogan Shuang Hua applied science and Technology Development Co Ltd |
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Effective date of registration: 20191227 Address after: Room 1301, unit 1, building 8, xinhaiguobinfu, Shencheng Road, Yingshang County, Fuyang City, Anhui Province Patentee after: Sheng Chengzhi Address before: 312030 Zhejiang Province, Shaoxing city Keqiao District Lizhu town Yi Village Patentee before: Shaoxing Ze Mei Textile Co., Ltd. |
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Address after: Room B, floor 1, building 84, Xingyue community, Keqiao street, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Sheng Chengzhi Address before: Room 1301, unit 1, building 8, xinhaiguobinfu, Shencheng Road, Yingshang County, Fuyang City, Anhui Province Patentee before: Sheng Chengzhi |
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Effective date of registration: 20210121 Address after: 312030 Zhongzhuang village, Lizhu Town, Keqiao District, Shaoxing, Zhejiang, China Patentee after: Shaoxing Ze Mei Fabritex S.R.L. Address before: Room 316, 3rd floor, venture building, Deqing science and Technology Park, 333 Changhong middle street, Fuxi street, Deqing County, Huzhou City, Zhejiang Province, 313200 Patentee before: Huzhou Hongshi Intelligent Technology Co., Ltd |
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Granted publication date: 20181204 Termination date: 20210505 |