CN108676122B - 一种新型的pH敏感型水凝胶及其制备方法与应用 - Google Patents
一种新型的pH敏感型水凝胶及其制备方法与应用 Download PDFInfo
- Publication number
- CN108676122B CN108676122B CN201810436896.6A CN201810436896A CN108676122B CN 108676122 B CN108676122 B CN 108676122B CN 201810436896 A CN201810436896 A CN 201810436896A CN 108676122 B CN108676122 B CN 108676122B
- Authority
- CN
- China
- Prior art keywords
- novel
- sensitive hydrogel
- hydrogel
- acrylic acid
- adsorption
- 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.)
- Active
Links
- 239000000017 hydrogel Substances 0.000 title claims abstract description 142
- 238000002360 preparation method Methods 0.000 title claims description 11
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910001431 copper ion Inorganic materials 0.000 claims abstract description 80
- 238000001179 sorption measurement Methods 0.000 claims abstract description 78
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 51
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 49
- 229940082509 xanthan gum Drugs 0.000 claims abstract description 48
- 235000010493 xanthan gum Nutrition 0.000 claims abstract description 48
- 239000000230 xanthan gum Substances 0.000 claims abstract description 48
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims abstract description 29
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims abstract description 26
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003999 initiator Substances 0.000 claims abstract description 6
- 239000003431 cross linking reagent Substances 0.000 claims abstract description 5
- 238000006386 neutralization reaction Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 6
- 238000007385 chemical modification Methods 0.000 abstract description 2
- 238000004132 cross linking Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 230000008961 swelling Effects 0.000 description 31
- 230000000694 effects Effects 0.000 description 29
- 230000004044 response Effects 0.000 description 19
- 239000000243 solution Substances 0.000 description 15
- 230000008859 change Effects 0.000 description 12
- 230000003993 interaction Effects 0.000 description 10
- 239000008055 phosphate buffer solution Substances 0.000 description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 238000004458 analytical method Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000010949 copper Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000001878 scanning electron micrograph Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012086 standard solution Substances 0.000 description 4
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000000113 differential scanning calorimetry Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 208000016261 weight loss Diseases 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical class C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 description 2
- 239000004971 Cross linker Substances 0.000 description 2
- 238000001157 Fourier transform infrared spectrum Methods 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 241000589634 Xanthomonas Species 0.000 description 2
- 238000000540 analysis of variance Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008707 rearrangement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000000611 regression analysis Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- -1 acrylamide modified xanthan Chemical class 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229920001222 biopolymer Polymers 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000011067 equilibration Methods 0.000 description 1
- 235000013305 food Nutrition 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
- 229920000578 graft copolymer Polymers 0.000 description 1
- 238000010559 graft polymerization reaction Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000005462 imide group Chemical group 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000001757 thermogravimetry curve Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28047—Gels
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Medicinal Preparation (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810436896.6A CN108676122B (zh) | 2018-05-09 | 2018-05-09 | 一种新型的pH敏感型水凝胶及其制备方法与应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810436896.6A CN108676122B (zh) | 2018-05-09 | 2018-05-09 | 一种新型的pH敏感型水凝胶及其制备方法与应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108676122A CN108676122A (zh) | 2018-10-19 |
CN108676122B true CN108676122B (zh) | 2021-03-02 |
Family
ID=63805877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810436896.6A Active CN108676122B (zh) | 2018-05-09 | 2018-05-09 | 一种新型的pH敏感型水凝胶及其制备方法与应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108676122B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110468491A (zh) * | 2019-08-21 | 2019-11-19 | 上海小蓝象服装有限公司 | 排汗睡衣内衣面料及其制备方法 |
CN111701579A (zh) * | 2020-07-03 | 2020-09-25 | 湖北科技学院 | 高性能多糖水凝胶吸附材料的辐射合成方法及其应用 |
CN114643049A (zh) * | 2022-05-24 | 2022-06-21 | 山东石油化工学院 | 一种掺杂有机螯合剂的生物炭复合水凝胶的制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160081533A (ko) * | 2014-12-31 | 2016-07-08 | 한국기술교육대학교 산학협력단 | 아크릴계 고흡수성 수지의 제조방법 |
CN107163188A (zh) * | 2017-06-28 | 2017-09-15 | 福建省农业科学院农业生物资源研究所 | 一种化学改性黄原胶的制备方法 |
-
2018
- 2018-05-09 CN CN201810436896.6A patent/CN108676122B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160081533A (ko) * | 2014-12-31 | 2016-07-08 | 한국기술교육대학교 산학협력단 | 아크릴계 고흡수성 수지의 제조방법 |
CN107163188A (zh) * | 2017-06-28 | 2017-09-15 | 福建省农业科学院农业生物资源研究所 | 一种化学改性黄原胶的制备方法 |
Non-Patent Citations (1)
Title |
---|
黄原胶接枝改性制备高吸水性树脂的研究;李仲谨等;《精细化工》;20100131;第27卷(第01期);第16-25页 * |
Also Published As
Publication number | Publication date |
---|---|
CN108676122A (zh) | 2018-10-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Thakur et al. | Development of a sodium alginate-based organic/inorganic superabsorbent composite hydrogel for adsorption of methylene blue | |
CN108676122B (zh) | 一种新型的pH敏感型水凝胶及其制备方法与应用 | |
Lin et al. | Synthesis and properties of poly (acrylic acid)/mica superabsorbent nanocomposite | |
Chen et al. | Synthesis and characterization of a novel superabsorbent polymer of N, O-carboxymethyl chitosan graft copolymerized with vinyl monomers | |
Hosseinzadeh | Controlled release of diclofenac sodium from pH-responsive carrageenan-g-poly (acrylic acid) superabsorbent hydrogel | |
Zhu et al. | A simple approach to fabricate granular adsorbent for adsorption of rare elements | |
Ibrahim et al. | Synthesis of poly (acrylamide-graft-chitosan) hydrogel: optimization of the grafting parameters and swelling studies | |
Bagheri Marandi et al. | Collagen-g-poly (Sodium Acrylate-co-Acrylamide)/sodium montmorillonite superabsorbent nanocomposites: synthesis and swelling behavior | |
Pandey et al. | Graft copolymerization of ethylacrylate onto xanthan gum, using potassium peroxydisulfate as an initiator | |
Zheng et al. | Functionalized cotton via surface-initiated atom transfer radical polymerization for enhanced sorption of Cu (II) and Pb (II) | |
CN109438728B (zh) | 一种金属离子配位作用增强的温敏性导电水凝胶及其制备方法 | |
Saber-Samandari et al. | Pullulan based porous semi-IPN hydrogel: Synthesis, characterization and its application in the removal of mercury from aqueous solution | |
Sarkar et al. | Reduced graphene oxide decorated superporous polyacrylamide based interpenetrating network hydrogel as dye adsorbent | |
Vakili et al. | Synthesis and characterization of novel stimuli-responsive hydrogels based on starch and L-aspartic acid | |
Soliman et al. | Preparation of carboxymethyl cellulose-g-poly (acrylic acid-2-acrylamido-2-methylpropane sulfonic acid)/attapulgite superabsorbent composite | |
CN112375191B (zh) | 嵌段共聚物及其制备方法和应用 | |
Bagheri Marandi et al. | Swelling behavior of novel protein‐based superabsorbent nanocomposite | |
WO2016011729A1 (zh) | 一种基于甜菜碱的形状记忆聚合物及其制备方法 | |
Sharma et al. | Microwave assisted synthesis of chitosan-graft-styrene for efficient Cr (VI) removal | |
Huang et al. | Modification of Na-bentonite by polycations for fabrication of amphoteric semi-IPN nanocomposite hydrogels | |
Feng et al. | The investigation of the specific behavior of a cationic block structure and its excellent flocculation performance in high-turbidity water treatment | |
Makhado et al. | Xanthan gum-cl-poly (acrylic acid)/reduced graphene oxide hydrogel nanocomposite as adsorbent for dye removal | |
JP3914501B2 (ja) | 高分子ゲル複合材及びその製造法 | |
Liu et al. | Facile fabrication of semi-IPN hydrogel adsorbent based on quaternary cellulose via amino-anhydride click reaction in water | |
CN103333294B (zh) | 一种高强度的抗蛋白质吸附水凝胶及其制备方法和应用 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20231214 Address after: Comprehensive Experimental Building (Crop Institute), No. 104 Pudang Road, Xindian Town, Jin'an District, Fuzhou City, Fujian Province, 350013 Patentee after: Crop Research Institute of Fujian Academy of Agricultural Sciences (Fujian Provincial Germplasm Resources Center) Address before: Room 1309, high tech building, Academy of Agricultural Sciences, 247 Wusi Road, Gulou District, Fuzhou, Fujian 350003 Patentee before: AGRICULTURAL BIORESOURCES INSTITUTE OF FUJIAN ACADEMY OF AGRICULTURAL SCIENCES |
|
TR01 | Transfer of patent right |