CN110358273B - 一种具有高抗穿刺性能的生物质抗菌膜 - Google Patents
一种具有高抗穿刺性能的生物质抗菌膜 Download PDFInfo
- Publication number
- CN110358273B CN110358273B CN201910744824.2A CN201910744824A CN110358273B CN 110358273 B CN110358273 B CN 110358273B CN 201910744824 A CN201910744824 A CN 201910744824A CN 110358273 B CN110358273 B CN 110358273B
- Authority
- CN
- China
- Prior art keywords
- parts
- puncture resistance
- carboxyl
- polyethylene glycol
- molecular weight
- 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
- 239000002028 Biomass Substances 0.000 title claims abstract description 23
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 20
- 238000005266 casting Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 34
- 239000002202 Polyethylene glycol Substances 0.000 claims description 29
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 claims description 29
- 229920001223 polyethylene glycol Polymers 0.000 claims description 29
- 239000004626 polylactic acid Substances 0.000 claims description 29
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 28
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 24
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 24
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 21
- 239000012528 membrane Substances 0.000 claims description 19
- 229920001661 Chitosan Polymers 0.000 claims description 15
- 229920000734 polysilsesquioxane polymer Polymers 0.000 claims description 15
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 claims description 14
- 125000001931 aliphatic group Chemical group 0.000 claims description 13
- 229920000515 polycarbonate Polymers 0.000 claims description 13
- 239000004417 polycarbonate Substances 0.000 claims description 13
- 238000010345 tape casting Methods 0.000 claims description 11
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 235000010413 sodium alginate Nutrition 0.000 claims description 10
- 239000000661 sodium alginate Substances 0.000 claims description 10
- 229940005550 sodium alginate Drugs 0.000 claims description 10
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 239000001110 calcium chloride Substances 0.000 claims description 9
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 8
- 229920001577 copolymer Polymers 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 8
- 239000011259 mixed solution Substances 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000002791 soaking Methods 0.000 claims description 4
- 238000001291 vacuum drying Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 abstract 1
- 229920002472 Starch Polymers 0.000 description 6
- 239000008107 starch Substances 0.000 description 6
- 235000019698 starch Nutrition 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000004629 polybutylene adipate terephthalate Substances 0.000 description 2
- 229920002961 polybutylene succinate Polymers 0.000 description 2
- 239000004631 polybutylene succinate Substances 0.000 description 2
- HEBDGRTWECSNNT-UHFFFAOYSA-N 2-methylidenepentanoic acid Chemical compound CCCC(=C)C(O)=O HEBDGRTWECSNNT-UHFFFAOYSA-N 0.000 description 1
- KVZLHPXEUGJPAH-UHFFFAOYSA-N 2-oxidanylpropanoic acid Chemical compound CC(O)C(O)=O.CC(O)C(O)=O KVZLHPXEUGJPAH-UHFFFAOYSA-N 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 208000034530 PLAA-associated neurodevelopmental disease Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920003232 aliphatic polyester Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012620 biological material Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/04—Alginic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
- C08J2405/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
- C08J2483/07—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials For Medical Uses (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
Description
膜性能 | 实施例1 | 实施例2 |
断裂延伸率(%) | 42.35±2.4 | 44.54±3.2 |
拉伸强度(Mpa) | 36.31±2.24 | 32.85±2.62 |
横向撕裂强度(kN/m) | 215.3±12.1 | 198.2±13.1 |
纵向撕裂强度(kN/m) | 213.4±8.2 | 219.7±7.5 |
抗穿刺力(N) | 12.45 | 12.84 |
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910744824.2A CN110358273B (zh) | 2019-08-13 | 2019-08-13 | 一种具有高抗穿刺性能的生物质抗菌膜 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910744824.2A CN110358273B (zh) | 2019-08-13 | 2019-08-13 | 一种具有高抗穿刺性能的生物质抗菌膜 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110358273A CN110358273A (zh) | 2019-10-22 |
CN110358273B true CN110358273B (zh) | 2021-04-30 |
Family
ID=68224703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910744824.2A Active CN110358273B (zh) | 2019-08-13 | 2019-08-13 | 一种具有高抗穿刺性能的生物质抗菌膜 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110358273B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112011097B (zh) * | 2020-09-03 | 2022-03-08 | 湖南工业大学 | 一种具有防水性和高强度的淀粉基全降解膜 |
CN111973803B (zh) * | 2020-09-03 | 2022-04-01 | 湖南工业大学 | 一种具有优异力学性能和抗菌性的壳聚糖基抗菌伤口敷料 |
CN114276655B (zh) * | 2021-07-29 | 2023-04-25 | 南京工程学院 | 一种可降解热塑性弹性体及其制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104558663B (zh) * | 2014-12-31 | 2018-09-28 | 北京林业大学 | 一种具有优良抗菌性及可降解性的薄膜及其制备方法 |
CN105459536B (zh) * | 2015-05-03 | 2019-06-11 | 湖南工业大学 | 一种五层共挤高强度阻隔抗菌环保复合膜 |
CN105440611B (zh) * | 2015-05-03 | 2017-11-24 | 湖南工业大学 | 一种具有抗菌阻隔性的高强韧聚乳酸复合膜 |
KR101741255B1 (ko) * | 2016-03-11 | 2017-05-29 | 오스템임플란트 주식회사 | 두께 구배를 가지는 치조골 재생용 멤브레인 |
CN106633087B (zh) * | 2016-10-09 | 2019-04-12 | 苏州大学 | 一种八臂杂臂星形聚合物及其制备方法 |
CN108610539A (zh) * | 2018-05-14 | 2018-10-02 | 安乡中意彩印包装有限责任公司 | 一种彩印包装用环保抗菌复合膜及其制备方法 |
CN109021276B (zh) * | 2018-09-03 | 2021-04-16 | 上海大觉包装制品有限公司 | 一种食用菌保鲜包装用可生物降解复合膜及其制备方法 |
CN109651970A (zh) * | 2018-12-19 | 2019-04-19 | 苏州新中德新型材料有限公司 | 高强度抗穿刺保护膜 |
-
2019
- 2019-08-13 CN CN201910744824.2A patent/CN110358273B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN110358273A (zh) | 2019-10-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Jian et al. | An overview on synthesis, properties and applications of poly (butylene-adipate-co-terephthalate)–PBAT | |
Popa et al. | Polyhydroxybutyrate blends: A solution for biodegradable packaging? | |
Yu et al. | Polymer blends and composites from renewable resources | |
Wang et al. | Properties of starch blends with biodegradable polymers | |
CN110358273B (zh) | 一种具有高抗穿刺性能的生物质抗菌膜 | |
CN110437504B (zh) | 一种双层复合生物质基流延抗菌膜及其制备工艺 | |
Makhijani et al. | Biodegradability of blended polymers: A comparison of various properties | |
CN102070880B (zh) | 一种生物降解树脂组合物及其制品 | |
JP4842501B2 (ja) | 生分解性ポリエステル類の三成分混合物とそれから得られた製品 | |
JP6015748B2 (ja) | 生分解性ポリエステル樹脂組成物 | |
FI118223B (fi) | Biologisesti hajoavia polymeerejä, menetelmä niiden valmistamiseksi sekä niiden käyttö biologisesti hajoavien muotokappaleiden valmistukseen | |
Rajeshkumar | Biodegradable polymer blends and composites from renewable resources | |
WO2017121242A1 (zh) | 一种增塑可生物降解聚酯薄膜及其制备方法 | |
CN108047658B (zh) | 一种生物降解聚酯农用地膜 | |
US11377409B2 (en) | Process for the production of 1,4-butanediol from renewable sources and polyesters obtained therefrom | |
BRPI0611457A2 (pt) | poliésteres alifáticos-aromáticos biodegradáveis | |
CN106674923B (zh) | 一种降解可控pbat/pla复合膜及其制备方法 | |
CN106467657A (zh) | 高耐热pla/pha复合材料及其制备方法 | |
CN102977565A (zh) | 一种含淀粉的生物降解阻隔性薄膜及其制备方法和应用 | |
KR20130010080A (ko) | 클링필름의 제조 방법 | |
CN102993655A (zh) | 一种含淀粉的生物降解阻隔性薄膜及其制备方法和用途 | |
CN103627154A (zh) | 一种聚乳酸/淀粉生物基可降解复合材料及其制备方法 | |
WO2022126812A1 (zh) | 一种可生物降解的脂肪族-芳香族共聚酯及其合成方法 | |
CN112375214A (zh) | 一种含杂原子高阻隔生物降解共聚酯及其制备方法和应用 | |
CN113429762A (zh) | 一种淀粉/聚乳酸/pbat纳米复合材料及其制备方法 |
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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20191022 Assignee: Zhuzhou ruidel Intelligent Equipment Co.,Ltd. Assignor: HUNAN University OF TECHNOLOGY Contract record no.: X2023980048585 Denomination of invention: A biomass antibacterial film with high puncture resistance Granted publication date: 20210430 License type: Common License Record date: 20231129 Application publication date: 20191022 Assignee: ZHUZHOU HONGDA POLYMER MATERIALS Co.,Ltd. Assignor: HUNAN University OF TECHNOLOGY Contract record no.: X2023980048584 Denomination of invention: A biomass antibacterial film with high puncture resistance Granted publication date: 20210430 License type: Common License Record date: 20231129 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20191022 Assignee: ZHUZHOU AMALLOY MATERIAL Co.,Ltd. Assignor: HUNAN University OF TECHNOLOGY Contract record no.: X2023980048989 Denomination of invention: A biomass antibacterial film with high puncture resistance Granted publication date: 20210430 License type: Common License Record date: 20231204 |
|
TR01 | Transfer of patent right |
Effective date of registration: 20231206 Address after: 518000, No. 5 Hongling 2nd Road, Liulian Community, Pingdi Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Jin Changhui science and Technology Co.,Ltd. Address before: 412000 Taishan Road, Tianyuan District, Zhuzhou, Hunan Province, No. 88 Patentee before: HUNAN University OF TECHNOLOGY |
|
TR01 | Transfer of patent right | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Zhuzhou ruidel Intelligent Equipment Co.,Ltd. Assignor: HUNAN University OF TECHNOLOGY Contract record no.: X2023980048585 Date of cancellation: 20240517 Assignee: ZHUZHOU HONGDA POLYMER MATERIALS Co.,Ltd. Assignor: HUNAN University OF TECHNOLOGY Contract record no.: X2023980048584 Date of cancellation: 20240517 Assignee: ZHUZHOU AMALLOY MATERIAL Co.,Ltd. Assignor: HUNAN University OF TECHNOLOGY Contract record no.: X2023980048989 Date of cancellation: 20240517 |
|
EC01 | Cancellation of recordation of patent licensing contract | ||
EC01 | Cancellation of recordation of patent licensing contract |
Assignee: ZHUZHOU AMALLOY MATERIAL Co.,Ltd. Assignor: HUNAN University OF TECHNOLOGY Contract record no.: X2023980048989 Date of cancellation: 20240612 Assignee: Zhuzhou ruidel Intelligent Equipment Co.,Ltd. Assignor: HUNAN University OF TECHNOLOGY Contract record no.: X2023980048585 Date of cancellation: 20240612 Assignee: ZHUZHOU HONGDA POLYMER MATERIALS Co.,Ltd. Assignor: HUNAN University OF TECHNOLOGY Contract record no.: X2023980048584 Date of cancellation: 20240612 |
|
EC01 | Cancellation of recordation of patent licensing contract | ||
CP03 | Change of name, title or address |
Address after: Building B, No. 43 Fulin Road, Liulian Community, Pingdi Street, Longgang District, Shenzhen City, Guangdong Province 518000 Patentee after: Shenzhen Jin Changhui science and Technology Co.,Ltd. Country or region after: China Address before: 518000, No. 5 Hongling 2nd Road, Liulian Community, Pingdi Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Jin Changhui science and Technology Co.,Ltd. Country or region before: China |
|
CP03 | Change of name, title or address |