CN103709408A - 一种双固化硅树脂及其制备方法 - Google Patents
一种双固化硅树脂及其制备方法 Download PDFInfo
- Publication number
- CN103709408A CN103709408A CN201310722479.5A CN201310722479A CN103709408A CN 103709408 A CN103709408 A CN 103709408A CN 201310722479 A CN201310722479 A CN 201310722479A CN 103709408 A CN103709408 A CN 103709408A
- Authority
- CN
- China
- Prior art keywords
- curing
- resin
- preparation
- acetone
- silane
- 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.)
- Granted
Links
- 229920005989 resin Polymers 0.000 title claims abstract description 45
- 239000011347 resin Substances 0.000 title claims abstract description 45
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 26
- 239000010703 silicon Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 239000003513 alkali Substances 0.000 claims abstract description 15
- -1 alkoxy silane Chemical compound 0.000 claims abstract description 14
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 229910000077 silane Inorganic materials 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 8
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 7
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 7
- 239000002904 solvent Substances 0.000 claims description 25
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 229920002050 silicone resin Polymers 0.000 claims description 22
- 239000012046 mixed solvent Substances 0.000 claims description 15
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Substances CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 14
- 238000001723 curing Methods 0.000 claims description 13
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 10
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 8
- 230000007935 neutral effect Effects 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 241000219289 Silene Species 0.000 claims description 7
- 125000003545 alkoxy group Chemical group 0.000 claims description 7
- 229910052918 calcium silicate Inorganic materials 0.000 claims description 7
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- YBHBEZSZXFLQMW-UHFFFAOYSA-N [dimethoxy(phenyl)silyl]methanamine Chemical compound CO[Si](CN)(OC)C1=CC=CC=C1 YBHBEZSZXFLQMW-UHFFFAOYSA-N 0.000 claims description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 5
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 4
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 4
- 239000011707 mineral Substances 0.000 claims description 4
- 235000010755 mineral Nutrition 0.000 claims description 4
- 150000007530 organic bases Chemical class 0.000 claims description 4
- XYKIUTSFQGXHOW-UHFFFAOYSA-N propan-2-one;toluene Chemical compound CC(C)=O.CC1=CC=CC=C1 XYKIUTSFQGXHOW-UHFFFAOYSA-N 0.000 claims description 4
- RBIILJCATVGHHI-UHFFFAOYSA-N [diethoxy(phenyl)silyl]methanamine Chemical compound NC[Si](OCC)(OCC)C1=CC=CC=C1 RBIILJCATVGHHI-UHFFFAOYSA-N 0.000 claims description 3
- AHUXYBVKTIBBJW-UHFFFAOYSA-N dimethoxy(diphenyl)silane Chemical compound C=1C=CC=CC=1[Si](OC)(OC)C1=CC=CC=C1 AHUXYBVKTIBBJW-UHFFFAOYSA-N 0.000 claims description 3
- 238000006068 polycondensation reaction Methods 0.000 claims description 3
- AUEJBKCWXPYRGZ-UHFFFAOYSA-N 1,1'-biphenyl diethoxysilane Chemical compound C(C)O[SiH2]OCC.C1(=CC=CC=C1)C1=CC=CC=C1 AUEJBKCWXPYRGZ-UHFFFAOYSA-N 0.000 claims description 2
- ZDWQSEWVPQWLFV-UHFFFAOYSA-N C(CC)[Si](OC)(OC)OC.[O] Chemical compound C(CC)[Si](OC)(OC)OC.[O] ZDWQSEWVPQWLFV-UHFFFAOYSA-N 0.000 claims description 2
- YPKFRQADPMNMFW-UHFFFAOYSA-N C1(CC2C(CC1)O2)CCO[SiH2]CC Chemical compound C1(CC2C(CC1)O2)CCO[SiH2]CC YPKFRQADPMNMFW-UHFFFAOYSA-N 0.000 claims description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 2
- 239000003637 basic solution Substances 0.000 claims description 2
- TXHIDIHEXDFONW-UHFFFAOYSA-N benzene;propan-2-one Chemical compound CC(C)=O.C1=CC=CC=C1 TXHIDIHEXDFONW-UHFFFAOYSA-N 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims description 2
- 229910021641 deionized water Inorganic materials 0.000 claims description 2
- 238000004821 distillation Methods 0.000 claims description 2
- JEWCZPTVOYXPGG-UHFFFAOYSA-N ethenyl-ethoxy-dimethylsilane Chemical compound CCO[Si](C)(C)C=C JEWCZPTVOYXPGG-UHFFFAOYSA-N 0.000 claims description 2
- SBRXLTRZCJVAPH-UHFFFAOYSA-N ethyl(trimethoxy)silane Chemical compound CC[Si](OC)(OC)OC SBRXLTRZCJVAPH-UHFFFAOYSA-N 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 238000009998 heat setting Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 2
- 239000012044 organic layer Substances 0.000 claims description 2
- SICOMVQWPQHCBY-UHFFFAOYSA-N propan-2-one;1,2-xylene Chemical compound CC(C)=O.CC1=CC=CC=C1C SICOMVQWPQHCBY-UHFFFAOYSA-N 0.000 claims description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 2
- 230000003252 repetitive effect Effects 0.000 claims description 2
- 238000005201 scrubbing Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000010025 steaming Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 238000007259 addition reaction Methods 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 150000001412 amines Chemical class 0.000 abstract 1
- 150000008064 anhydrides Chemical class 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 239000000976 ink Substances 0.000 abstract 1
- 238000007151 ring opening polymerisation reaction Methods 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 7
- 239000005977 Ethylene Substances 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000013006 addition curing Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000013008 moisture curing Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010034972 Photosensitivity reaction Diseases 0.000 description 1
- 229910002808 Si–O–Si Inorganic materials 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036211 photosensitivity Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 125000005401 siloxanyl group Chemical group 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
Images
Landscapes
- Silicon Polymers (AREA)
- Epoxy Resins (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310722479.5A CN103709408B (zh) | 2013-12-24 | 2013-12-24 | 一种双固化硅树脂及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310722479.5A CN103709408B (zh) | 2013-12-24 | 2013-12-24 | 一种双固化硅树脂及其制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103709408A true CN103709408A (zh) | 2014-04-09 |
CN103709408B CN103709408B (zh) | 2016-08-17 |
Family
ID=50402785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310722479.5A Expired - Fee Related CN103709408B (zh) | 2013-12-24 | 2013-12-24 | 一种双固化硅树脂及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103709408B (zh) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103980496A (zh) * | 2014-05-23 | 2014-08-13 | 苏州毫邦新材料有限公司 | 紫外线/湿气双固化有机硅树脂及其组成物 |
CN105860081A (zh) * | 2016-05-30 | 2016-08-17 | 哈尔滨工业大学 | 一种光热双固化有机硅树脂及其制备方法 |
CN107118350A (zh) * | 2017-04-21 | 2017-09-01 | 华南理工大学 | 一种环氧基苯基硅树脂及其制备方法与应用 |
CN108192100A (zh) * | 2018-01-02 | 2018-06-22 | 广东工业大学 | 一种光固化有机硅树脂及其制备方法、光敏树脂以及应用 |
CN110437624A (zh) * | 2019-09-19 | 2019-11-12 | 四川大学 | 一种新型透明双官能环氧树脂-硅橡胶嵌段网络材料 |
CN110591377A (zh) * | 2019-09-19 | 2019-12-20 | 四川大学 | 一种透明环氧树脂-硅橡胶改性材料的制备方法和用途 |
CN110770312A (zh) * | 2017-06-30 | 2020-02-07 | 美国陶氏有机硅公司 | 双固化有机聚硅氧烷组合物 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103319716A (zh) * | 2013-06-17 | 2013-09-25 | 青岛福凯橡塑新材料有限公司 | 硅树脂及其制备方法 |
-
2013
- 2013-12-24 CN CN201310722479.5A patent/CN103709408B/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103319716A (zh) * | 2013-06-17 | 2013-09-25 | 青岛福凯橡塑新材料有限公司 | 硅树脂及其制备方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103980496A (zh) * | 2014-05-23 | 2014-08-13 | 苏州毫邦新材料有限公司 | 紫外线/湿气双固化有机硅树脂及其组成物 |
CN105860081A (zh) * | 2016-05-30 | 2016-08-17 | 哈尔滨工业大学 | 一种光热双固化有机硅树脂及其制备方法 |
CN105860081B (zh) * | 2016-05-30 | 2018-08-10 | 哈尔滨工业大学 | 一种光热双固化有机硅树脂及其制备方法 |
CN107118350A (zh) * | 2017-04-21 | 2017-09-01 | 华南理工大学 | 一种环氧基苯基硅树脂及其制备方法与应用 |
CN110770312A (zh) * | 2017-06-30 | 2020-02-07 | 美国陶氏有机硅公司 | 双固化有机聚硅氧烷组合物 |
CN110770312B (zh) * | 2017-06-30 | 2021-10-26 | 美国陶氏有机硅公司 | 双固化有机聚硅氧烷组合物 |
CN108192100A (zh) * | 2018-01-02 | 2018-06-22 | 广东工业大学 | 一种光固化有机硅树脂及其制备方法、光敏树脂以及应用 |
CN110437624A (zh) * | 2019-09-19 | 2019-11-12 | 四川大学 | 一种新型透明双官能环氧树脂-硅橡胶嵌段网络材料 |
CN110591377A (zh) * | 2019-09-19 | 2019-12-20 | 四川大学 | 一种透明环氧树脂-硅橡胶改性材料的制备方法和用途 |
CN110591377B (zh) * | 2019-09-19 | 2021-08-13 | 四川大学 | 一种透明环氧树脂-硅橡胶改性材料的制备方法和用途 |
Also Published As
Publication number | Publication date |
---|---|
CN103709408B (zh) | 2016-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103709408A (zh) | 一种双固化硅树脂及其制备方法 | |
CN103739848B (zh) | 加成型有机硅封装胶用增粘剂及其制备方法 | |
CN104610696B (zh) | 一种用于uv固化的有机硅组合物 | |
CN107892748B (zh) | 一种室温湿气固化硅树脂的制备方法 | |
CN102898648B (zh) | 一种可化学交联固化的苯基mdq类型硅树脂及其制备方法 | |
CN103554169B (zh) | 一种用于uv固化树脂的有机硅丙烯酸酯和有机硅甲基丙烯酸酯单体的制备方法 | |
CN103819679B (zh) | 一种单组分poss/加成型硅树脂纳米复合材料的制备方法 | |
CN111892819B (zh) | 一种uv固化透明材料的制备方法与应用 | |
CN104877138A (zh) | 一种具有粘接性能的硅树脂及其制备方法 | |
CN111253575A (zh) | 一种高折射率苯基甲基氨基硅树脂的制备方法及其应用 | |
CN103044683A (zh) | 改性mq硅树脂及其制备方法 | |
CN105524282A (zh) | 高折射率有机硼硅粘接促进剂及其制备方法和应用 | |
CN104893246B (zh) | 一种石墨烯基超支化苝酰亚胺/环氧复合材料的制备方法 | |
CN101508852B (zh) | 一种高硬度有机硅防护涂料及其制备方法和应用 | |
CN114736650A (zh) | 一种低收缩、高耐候性uv-热双固化胶粘剂及其制备方法 | |
CN114456128B (zh) | 一种异香兰素环氧树脂单体在制备含硅聚合物中的应用 | |
CN101906114B (zh) | 一种含阳离子光固化基团的硅氧化合物及其制备方法 | |
CN108659226B (zh) | 一种正丁基封端聚双苯基甲基硅氮烷的制备方法及其应用 | |
CN105778100B (zh) | 一种有机硅增粘剂及其制备方法和一种加成型硅橡胶组合物 | |
CN106566193B (zh) | 一种含氟硅环氧基聚合物改性脂环族环氧led复合封装材料及其制备方法 | |
CN104119832B (zh) | 一种有机硅灌封胶制备方法及其应用 | |
CN103319717B (zh) | 一种环氧树脂和有机硅树脂的共溶剂及其制备方法 | |
CN102898567B (zh) | 一种含氟环氧树脂及其制备方法与应用 | |
CN113667097B (zh) | 环氧树脂单体的中间体化合物及其制备方法和应用 | |
CN115449054B (zh) | 一种基于丹皮酚的生物基环氧树脂及其制备方法和应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HEILONGJIANG INSTITUTE OF ADVANCED TECHNOLOGY Effective date: 20150420 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C53 | Correction of patent of invention or patent application | ||
CB03 | Change of inventor or designer information |
Inventor after: Zhang Junying Inventor after: Liu Xiaodong Inventor after: Zhan Xibing Inventor after: Liu Huijuan Inventor after: Cheng Jue Inventor after: Shi Ling Inventor after: Lin Xin Inventor after: Zhang Weijun Inventor after: Zhang Xiaochen Inventor after: Su Guiming Inventor before: Zhang Junying Inventor before: Zhan Xibing Inventor before: Liu Huijuan Inventor before: Cheng Jue Inventor before: Shi Ling Inventor before: Lin Xin |
|
COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG JUNYING ZHAN XIBING LIU HUIJUAN CHENG JUE SHI LING LIN XIN TO: ZHANG JUNYING ZHAN XIBING LIU HUIJUAN CHENG JUE SHI LING LIN XIN ZHANG WEIJUN ZHANG XIAOCHEN SU GUIMING LIU XIAODONG |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20150420 Address after: 100029 Beijing, North Third Ring Road, No. 15 East Road, Chaoyang District Applicant after: BEIJING University OF CHEMICAL TECHNOLOGY Applicant after: INSTITUTE OF ADVANCED TECHNOLOGY OF HEILONGJIANG ACADEMY OF SCIENCES Address before: 100029 Beijing, North Third Ring Road, No. 15 East Road, Chaoyang District Applicant before: Beijing University of Chemical Technology |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 |