CN106835499B - 三层复合分离膜支撑材料 - Google Patents
三层复合分离膜支撑材料 Download PDFInfo
- Publication number
- CN106835499B CN106835499B CN201710097358.4A CN201710097358A CN106835499B CN 106835499 B CN106835499 B CN 106835499B CN 201710097358 A CN201710097358 A CN 201710097358A CN 106835499 B CN106835499 B CN 106835499B
- Authority
- CN
- China
- Prior art keywords
- fibre
- layer
- backing material
- polyester
- layers
- 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
- 239000000463 material Substances 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 103
- 229920000728 polyester Polymers 0.000 claims abstract description 47
- 239000012528 membrane Substances 0.000 claims abstract description 28
- 238000005098 hot rolling Methods 0.000 claims abstract description 23
- 238000002844 melting Methods 0.000 claims abstract description 17
- 238000003490 calendering Methods 0.000 claims abstract description 16
- 230000008018 melting Effects 0.000 claims abstract description 11
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 25
- -1 polypropylene Polymers 0.000 claims description 23
- 238000005096 rolling process Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 18
- 239000004698 Polyethylene Substances 0.000 claims description 16
- 229920000573 polyethylene Polymers 0.000 claims description 16
- 238000009987 spinning Methods 0.000 claims description 13
- 239000004743 Polypropylene Substances 0.000 claims description 11
- 229920001155 polypropylene Polymers 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 9
- 239000002270 dispersing agent Substances 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 239000000052 vinegar Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- 238000011002 quantification Methods 0.000 claims description 6
- 238000004781 supercooling Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 238000007596 consolidation process Methods 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 12
- 239000011248 coating agent Substances 0.000 abstract description 11
- 238000000576 coating method Methods 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000008280 blood Substances 0.000 abstract description 2
- 210000004369 blood Anatomy 0.000 abstract description 2
- 238000010612 desalination reaction Methods 0.000 abstract description 2
- 239000013535 sea water Substances 0.000 abstract description 2
- 238000004065 wastewater treatment Methods 0.000 abstract description 2
- 238000005360 mashing Methods 0.000 abstract 1
- 230000006855 networking Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 62
- 239000007788 liquid Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- 229920002401 polyacrylamide Polymers 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 238000001223 reverse osmosis Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 241000208140 Acer Species 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002906 medical waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920006350 polyacrylonitrile resin Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4326—Condensation or reaction polymers
- D04H1/435—Polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Laminated Bodies (AREA)
Abstract
Description
项目 | 实施例1 | 实施例2 | 实施例3 | 对比例1 |
克重(g/m<sup>2</sup>) | 65.0 | 65.0 | 65.0 | 65.0 |
涂覆面平滑性(Sec) | 18.8 | 19.1 | 20.6 | 19.0 |
纵向强力(N/5mm) | 132.1 | 165.7 | 106.7 | 175.8 |
横向强力(N/5mm) | 73.8 | 86.6 | 62.3 | 90.2 |
内部结合强度(J/m<sup>2</sup>) | 172.5 | 198.7 | 109.5 | 202.3 |
下层(非涂覆面)渗透性 | O | O | O | × |
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710097358.4A CN106835499B (zh) | 2017-02-22 | 2017-02-22 | 三层复合分离膜支撑材料 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710097358.4A CN106835499B (zh) | 2017-02-22 | 2017-02-22 | 三层复合分离膜支撑材料 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106835499A CN106835499A (zh) | 2017-06-13 |
CN106835499B true CN106835499B (zh) | 2019-01-11 |
Family
ID=59133882
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710097358.4A Active CN106835499B (zh) | 2017-02-22 | 2017-02-22 | 三层复合分离膜支撑材料 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106835499B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019050128A1 (ko) * | 2017-09-06 | 2019-03-14 | 코오롱패션머티리얼 (주) | 방수성 통기 시트 및 이의 제조 방법 |
CN108049031A (zh) * | 2018-01-11 | 2018-05-18 | 江苏科立隆非织造布科技有限公司 | 湿法多功能高速水刺复合生产线及生产所得水刺无纺布 |
CN108456996B (zh) * | 2018-03-28 | 2021-03-30 | 嘉兴学院 | 一种学步裤及其制备方法 |
CN109825956A (zh) * | 2019-03-06 | 2019-05-31 | 天津工业大学 | 一种反渗透膜支撑材料及其制备方法 |
CN112501951A (zh) * | 2020-11-23 | 2021-03-16 | 江苏展宝新材料有限公司 | 一种分离膜复合支撑体的制备方法 |
CN115847963A (zh) * | 2022-12-28 | 2023-03-28 | 浙江绿龙新材料有限公司 | 一种无锑低熔点反渗透膜滤网支撑体及其制备方法 |
CN116510422A (zh) * | 2023-04-17 | 2023-08-01 | 山东仁丰特种材料股份有限公司 | 梯度全合成机油过滤材料及其制备方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4196245A (en) * | 1978-06-16 | 1980-04-01 | Buckeye Cellulos Corporation | Composite nonwoven fabric comprising adjacent microfine fibers in layers |
JPS61222506A (ja) * | 1985-03-29 | 1986-10-03 | Japan Vilene Co Ltd | 半透膜支持体及びその製造方法 |
KR101483475B1 (ko) * | 2007-07-31 | 2015-01-16 | 도레이 카부시키가이샤 | 분리막 지지체 및 그 제조 방법 |
CN103282107B (zh) * | 2010-11-08 | 2016-08-10 | Aaf-麦奎公司 | 用于无菌制药应用的ePTFE过滤器及其使用方法 |
JP5216924B1 (ja) * | 2012-01-30 | 2013-06-19 | 北越紀州製紙株式会社 | 半透膜支持体用不織布 |
CN103966925B (zh) * | 2013-01-29 | 2016-08-24 | 大连瑞光非织造布集团有限公司 | 三层复合瓦楞纸及其生产工艺 |
CN103432912B (zh) * | 2013-08-02 | 2016-08-10 | 中国海诚工程科技股份有限公司 | 一种半透膜的复合支撑材及其制造方法 |
CN104147939B (zh) * | 2014-04-23 | 2016-12-07 | 华南理工大学 | 一种用于过滤膜的支撑层材料及其制造方法及过滤膜 |
-
2017
- 2017-02-22 CN CN201710097358.4A patent/CN106835499B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN106835499A (zh) | 2017-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106835499B (zh) | 三层复合分离膜支撑材料 | |
KR101757491B1 (ko) | 반투막 지지체, 스파이럴형 반투막 요소 및 반투막 지지체의 제조 방법 | |
CN104093479B (zh) | 半透膜支撑体用无纺织物 | |
CN105935556B (zh) | 半透膜支撑体及其制备方法 | |
JP5216229B2 (ja) | 半透膜支持体 | |
KR101254423B1 (ko) | 반투막 지지체 및 반투막 지지체의 제조 방법 | |
JP2013220382A (ja) | 半透膜支持体 | |
CN104125857B (zh) | 半透膜支撑体用无纺布及其制造方法 | |
CN106582313B (zh) | 一种双层耐碱分离膜支撑材料及其制备方法 | |
CN107558291A (zh) | 半透膜支撑体用无纺布 | |
RU2009111401A (ru) | Нетканый композитный материал, содержащий перфорированную эластичную пленку | |
EP1756357A1 (de) | Papiermaschinen-pressfilz und verfahren sowie vorrichtung zu seiner herstellung | |
JP2012101213A (ja) | 半透膜支持体 | |
JP6005542B2 (ja) | 半透膜支持体用不織布 | |
CN107913606A (zh) | 一种半透膜支撑材料及其制备方法 | |
CN106823839B (zh) | 双层湿法水刺分离膜支撑体及其制备方法 | |
JP6625916B2 (ja) | 半透膜支持体 | |
KR101614234B1 (ko) | 반투막 지지체용 부직포 | |
JP2012106177A (ja) | 半透膜支持体 | |
CN112663399A (zh) | 一种用于水处理反渗透膜支撑体基材的湿法无纺布及其制备方法 | |
KR20190127715A (ko) | 반투막 지지체 | |
CN109316974A (zh) | 一种半透膜支撑材料 | |
JP2013180294A (ja) | 半透膜支持体用不織布及びその製造方法 | |
CA1107580A (en) | Non-woven material for support of semipermeable membrane | |
NO129686B (zh) |
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 | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 528225 No. 5, Jun Ye Road, C area, Shishan science and Technology Industrial Park, Nanhai District, Foshan, Guangdong Applicant after: Guangdong Bao Hong new material Limited by Share Ltd Applicant after: Zhejiang Sci-Tech University Address before: 528225 No. 5, Jun Ye Road, C area, Shishan science and Technology Industrial Park, Nanhai District, Foshan, Guangdong Applicant before: Guangdong environmental technology Limited by Share Ltd Applicant before: Zhejiang Sci-Tech University |
|
GR01 | Patent grant | ||
GR01 | Patent grant |