CN109280984A - A kind of polytrimethylene carbonate modified graphene oxide enhancing polythene fishing net - Google Patents
A kind of polytrimethylene carbonate modified graphene oxide enhancing polythene fishing net Download PDFInfo
- Publication number
- CN109280984A CN109280984A CN201810848678.3A CN201810848678A CN109280984A CN 109280984 A CN109280984 A CN 109280984A CN 201810848678 A CN201810848678 A CN 201810848678A CN 109280984 A CN109280984 A CN 109280984A
- Authority
- CN
- China
- Prior art keywords
- graphene oxide
- polytrimethylene carbonate
- fishing net
- carbonate modified
- modified graphene
- 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.)
- Pending
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
Abstract
The invention discloses a kind of polytrimethylene carbonate modified graphene oxides to enhance polythene fishing net, is related to new material technology field, the polytrimethylene carbonate modified graphene oxide containing its quality 3.2-3.5% in the polythene fishing net；Polythene fishing net prepared by the present invention has the characteristics such as good corrosion resistant, wear-resisting, intensity, hence it is evident that improves the service life of fishing lines, great application value.
Description
Technical field
The invention belongs to new material technology fields, and in particular to a kind of polytrimethylene carbonate modified graphene oxide increasing
Strength polyethylene fishing net.
Background technique
With the development of petrochemical industry, polyethylene production is rapidly developed, and yield accounts for about the 1/4 of plastics total output.I
State pays much attention to PE production technology, and the innovation of PE production technology is put into always National Technical innovation planning item.As its people pass through
Ji grows continuously and fast, and has built advantageous development atmosphere for synthetic resin industry, polyethylene industry is even more with faster speed
Degree increases.Polyethylene, abbreviation PE are a kind of aggregated thermoplastic resins obtained of ethylene；It industrially, also include ethylene and few
Measure the copolymer of alpha-olefin；Polyethylene is odorless, nontoxic, feel ceraceous, has excellent resistance to low temperature, and chemical stability is good,
It is resistant to the erosion of most of soda acids；Common solvent is not dissolved under room temperature, water imbibition is small, and electrical insulating property is excellent.And by polyethylene, Buddhist nun
For fishing gear made of the materials such as dragon current many kinds of in the market, the application of polythene fishing net is also more and more extensive, but existing
Some polythene fishing net intensity is general, especially applies when fishing in the lake of ocean, can usually be torn, lead because of fishing lines
It causes fishing net damaged, does not simply fail to continue to use, also result in fishing efficiency and be greatly lowered.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of polytrimethylene carbonate modified graphene oxide is provided
Enhance polythene fishing net.
The present invention is achieved by the following technical solutions:
A kind of polytrimethylene carbonate modified graphene oxide enhances polythene fishing net, contains its matter in the polythene fishing net
Measure the polytrimethylene carbonate modified graphene oxide of 3.2-3.5%.
Further, the polytrimethylene carbonate modified graphene oxide preparation method the following steps are included:
(1) graphene uniform is distributed in deionized water, is configured to graphene dispersing solution；
(2) above-mentioned graphene dispersing solution is heated, then adds the sodium hypochlorite of graphene dispersing solution quality 1.2%, with
120r/min revolving speed stirs 2 hours, then adds the aniline of graphene dispersing solution quality 3.5% and 0.32% dioxalic acid boric acid again
Lithium is heated to 80 DEG C under inert gas atmosphere, stirs 15min with 500r/min revolving speed, then adds graphene quality
0.1% potassium peroxydisulfate continues insulated and stirred 3 hours, is then filtered solids, is carried out using deionized water to solids
To neutrality, drying to constant weight, obtains graphene oxide intermediate for cleaning；
(3) the polytrimethylene carbonate monododecyl ether of carboxy blocking is sequentially added into reaction kettle, in graphene oxide
Mesosome, solvent, condensing agent react 5-6 hours at 75 DEG C under an inert atmosphere, then terminate reaction, filter, washing, vacuum
It is dry to constant weight to get.
Further, step (1) the graphene dispersing solution mass fraction is 15.5%.
Further, step (2) is described heats above-mentioned graphene dispersing solution, is heated to 40 DEG C.
Further, step (2) inert gas is nitrogen.
Further, the polytrimethylene carbonate monododecyl ether, graphene oxide of step (3) described carboxy blocking
Intermediate, solvent, condensing agent mass ratio are 5:20:40:0.3.
Further, the solvent is dimethyl sulfoxide.
Further, the condensing agent is 3- ethyl -1-(3- dimethylaminopropyl) carbodiimide.
Further, the polythene fishing net further includes that following parts by weight of component is made: polyvinyl resin 120, polyamide fibre 6 are cut
Piece 8, plasticizer 1.2.
The present invention has the advantage that the present invention passes through polytrimethylene carbonate modified graphite oxide compared with prior art
The effect of alkene evenly dispersed combination in sub-polyethylene subsystem can erect chemical chain bridge between polyethylene molecular chain, thus
So that the physical and mechanical property of polythene fishing net monofilament improves, breaking strength, knot strength, wearability and resistance to dimensional stability are equal
It is significantly improved, especially breaking strength and knot strength improvement effect is more obvious；Changed by polytrimethylene carbonate
Property graphene oxide particle combined with matrix polyvinyl resin, can effectively transmit and meet with stresses, while effectively filling is poly-
The intermolecular hole of vinyl material serves as the effect of beneficial support point between polythene material molecule, improves polythene material
Compression performance, the insertion and cutting of extraneous abrasive grain can be effectively prevented, to improve the resistance to of finished product polythene fishing net material
Mill property；The presence of polytrimethylene carbonate modified graphene oxide simultaneously can improve to a certain degree crystallinity, manufactured
Impact strength of the fishing net at -36 DEG C can be improved 4 times compared to pure nylon fishing net；The present invention passes through at modified to graphene
Reason, having can effectively solve the problem that inorganic filler components, compatible dispersion binding ability is not strong with its, causes improved effect general
Problem, polytrimethylene carbonate modified graphene oxide prepared by the present invention is dispersed in polythene material system, stablizes
Property is greatly enhanced, to improve the bond strength between polythene material, and then improves making for fishing lines
Use quality.Polythene fishing net prepared by the present invention has the characteristics such as good corrosion resistant, wear-resisting, intensity, hence it is evident that improves fishing lines
Service life, great application value.
Specific embodiment
Embodiment 1
A kind of polytrimethylene carbonate modified graphene oxide enhances polythene fishing net, contains its matter in the polythene fishing net
The polytrimethylene carbonate modified graphene oxide of amount 3.2%.
Further, the polytrimethylene carbonate modified graphene oxide preparation method the following steps are included:
(1) graphene uniform is distributed in deionized water, is configured to graphene dispersing solution；
(2) above-mentioned graphene dispersing solution is heated, then adds the sodium hypochlorite of graphene dispersing solution quality 1.2%, with
120r/min revolving speed stirs 2 hours, then adds the aniline of graphene dispersing solution quality 3.5% and 0.32% dioxalic acid boric acid again
Lithium is heated to 80 DEG C under inert gas atmosphere, stirs 15min with 500r/min revolving speed, then adds graphene quality
0.1% potassium peroxydisulfate continues insulated and stirred 3 hours, is then filtered solids, is carried out using deionized water to solids
To neutrality, drying to constant weight, obtains graphene oxide intermediate for cleaning；
(3) the polytrimethylene carbonate monododecyl ether of carboxy blocking is sequentially added into reaction kettle, in graphene oxide
Mesosome, solvent, condensing agent react 5 hours at 75 DEG C under an inert atmosphere, then terminate reaction, filter, washing, and vacuum is dry
It is dry to constant weight to get.
Further, step (1) the graphene dispersing solution mass fraction is 15.5%.
Further, step (2) is described heats above-mentioned graphene dispersing solution, is heated to 40 DEG C.
Further, step (2) inert gas is nitrogen.
Further, the polytrimethylene carbonate monododecyl ether, graphene oxide of step (3) described carboxy blocking
Intermediate, solvent, condensing agent mass ratio are 5:20:40:0.3.
Further, the solvent is dimethyl sulfoxide.
Further, the condensing agent is 3- ethyl -1-(3- dimethylaminopropyl) carbodiimide.
Further, the polythene fishing net further includes that following parts by weight of component is made: polyvinyl resin 120, polyamide fibre 6 are cut
Piece 8, plasticizer 1.2.
Embodiment 2
A kind of polytrimethylene carbonate modified graphene oxide enhances polythene fishing net, contains its matter in the polythene fishing net
The polytrimethylene carbonate modified graphene oxide of amount 3.5%.
Further, the polytrimethylene carbonate modified graphene oxide preparation method the following steps are included:
(1) graphene uniform is distributed in deionized water, is configured to graphene dispersing solution；
(2) above-mentioned graphene dispersing solution is heated, then adds the sodium hypochlorite of graphene dispersing solution quality 1.2%, with
120r/min revolving speed stirs 2 hours, then adds the aniline of graphene dispersing solution quality 3.5% and 0.32% dioxalic acid boric acid again
Lithium is heated to 80 DEG C under inert gas atmosphere, stirs 15min with 500r/min revolving speed, then adds graphene quality
0.1% potassium peroxydisulfate continues insulated and stirred 3 hours, is then filtered solids, is carried out using deionized water to solids
To neutrality, drying to constant weight, obtains graphene oxide intermediate for cleaning；
(3) the polytrimethylene carbonate monododecyl ether of carboxy blocking is sequentially added into reaction kettle, in graphene oxide
Mesosome, solvent, condensing agent react 6 hours at 75 DEG C under an inert atmosphere, then terminate reaction, filter, washing, and vacuum is dry
It is dry to constant weight to get.
Further, step (1) the graphene dispersing solution mass fraction is 15.5%.
Further, step (2) is described heats above-mentioned graphene dispersing solution, is heated to 40 DEG C.
Further, step (2) inert gas is nitrogen.
Further, the polytrimethylene carbonate monododecyl ether, graphene oxide of step (3) described carboxy blocking
Intermediate, solvent, condensing agent mass ratio are 5:20:40:0.3.
Further, the solvent is dimethyl sulfoxide.
Further, the condensing agent is 3- ethyl -1-(3- dimethylaminopropyl) carbodiimide.
Further, the polythene fishing net further includes that following parts by weight of component is made: polyvinyl resin 120, polyamide fibre 6 are cut
Piece 8, plasticizer 1.2.
Embodiment 3
A kind of polytrimethylene carbonate modified graphene oxide enhances polythene fishing net, contains its matter in the polythene fishing net
The polytrimethylene carbonate modified graphene oxide of amount 3.4%.
Further, the polytrimethylene carbonate modified graphene oxide preparation method the following steps are included:
(1) graphene uniform is distributed in deionized water, is configured to graphene dispersing solution；
(2) above-mentioned graphene dispersing solution is heated, then adds the sodium hypochlorite of graphene dispersing solution quality 1.2%, with
120r/min revolving speed stirs 2 hours, then adds the aniline of graphene dispersing solution quality 3.5% and 0.32% dioxalic acid boric acid again
Lithium is heated to 80 DEG C under inert gas atmosphere, stirs 15min with 500r/min revolving speed, then adds graphene quality
0.1% potassium peroxydisulfate continues insulated and stirred 3 hours, is then filtered solids, is carried out using deionized water to solids
To neutrality, drying to constant weight, obtains graphene oxide intermediate for cleaning；
(3) the polytrimethylene carbonate monododecyl ether of carboxy blocking is sequentially added into reaction kettle, in graphene oxide
Mesosome, solvent, condensing agent react 5.6 hours at 75 DEG C under an inert atmosphere, then terminate reaction, filter, washing, vacuum
It is dry to constant weight to get.
Further, step (1) the graphene dispersing solution mass fraction is 15.5%.
Further, step (2) is described heats above-mentioned graphene dispersing solution, is heated to 40 DEG C.
Further, step (2) inert gas is nitrogen.
Further, the polytrimethylene carbonate monododecyl ether, graphene oxide of step (3) described carboxy blocking
Intermediate, solvent, condensing agent mass ratio are 5:20:40:0.3.
Further, the solvent is dimethyl sulfoxide.
Further, the condensing agent is 3- ethyl -1-(3- dimethylaminopropyl) carbodiimide.
Further, the polythene fishing net further includes that following parts by weight of component is made: polyvinyl resin 120, polyamide fibre 6 are cut
Piece 8, plasticizer 1.2.
Comparative example 1: it is only that with the difference of embodiment 1 and does not add polytrimethylene carbonate modified graphene oxide.
Comparative example 2: it is only that with the difference of embodiment 1 and polytrimethylene carbonate modified graphene oxide is replaced with into equivalent
Graphene.
Comparative example 3: it is only that with the difference of embodiment 1 and polytrimethylene carbonate modified graphene oxide is replaced with into equivalent
Graphene oxide.
Comparative example 4:, will when being only that with the difference of embodiment 1 by the preparation of polytrimethylene carbonate modified graphene oxide
Graphene oxide intermediate replaces with graphene.
In order to compare effect of the present invention, select the polyethylene that the trade mark is GF-7750J as raw material, then by above-mentioned reality
Example, comparative example are applied, the fishing lines monofilament for being processed into same size is carried out using identical prior art, wherein the diameter rule of monofilament
Lattice are 0.21 ± 0.01mm, are finally measured to its performance, and (breaking strength and knot strength are to pass through Britain
INSTRON-4466 type strength tester measures, and control temperature strip part is 20 ± 2 DEG C when test, relative humidity control for 60 ±
5%, the speed for controlling stretching is 310mm/min, and the length of monofilament is 520mm), correlation data is as shown in table 1 below:
Table 1
As can be seen from Table 1, polythene fishing net prepared by the present invention has excellent mechanical characteristic quality.
Claims (9)
1. a kind of polytrimethylene carbonate modified graphene oxide enhances polythene fishing net, which is characterized in that the polyethylene
Polytrimethylene carbonate modified graphene oxide containing its quality 3.2-3.5% in fishing net.
2. a kind of polytrimethylene carbonate modified graphene oxide according to claim 1 enhances polythene fishing net,
Be characterized in that, the polytrimethylene carbonate modified graphene oxide preparation method the following steps are included:
(1) graphene uniform is distributed in deionized water, is configured to graphene dispersing solution；
(2) above-mentioned graphene dispersing solution is heated, then adds the sodium hypochlorite of graphene dispersing solution quality 1.2%, with
120r/min revolving speed stirs 2 hours, then adds the aniline of graphene dispersing solution quality 3.5% and 0.32% dioxalic acid boric acid again
Lithium is heated to 80 DEG C under inert gas atmosphere, stirs 15min with 500r/min revolving speed, then adds graphene quality
0.1% potassium peroxydisulfate continues insulated and stirred 3 hours, is then filtered solids, is carried out using deionized water to solids
To neutrality, drying to constant weight, obtains graphene oxide intermediate for cleaning；
(3) the polytrimethylene carbonate monododecyl ether of carboxy blocking is sequentially added into reaction kettle, in graphene oxide
Mesosome, solvent, condensing agent react 5-6 hours at 75 DEG C under an inert atmosphere, then terminate reaction, filter, washing, vacuum
It is dry to constant weight to get.
3. a kind of polytrimethylene carbonate modified graphene oxide according to claim 2 enhances polythene fishing net,
It is characterized in that, step (1) the graphene dispersing solution mass fraction is 15.5%.
4. a kind of polytrimethylene carbonate modified graphene oxide according to claim 2 enhances polythene fishing net,
It is characterized in that, step (2) is described to heat above-mentioned graphene dispersing solution, is heated to 40 DEG C.
5. a kind of polytrimethylene carbonate modified graphene oxide according to claim 2 enhances polythene fishing net,
It is characterized in that, step (2) inert gas is nitrogen.
6. a kind of polytrimethylene carbonate modified graphene oxide according to claim 2 enhances polythene fishing net,
Be characterized in that, the polytrimethylene carbonate monododecyl ether of step (3) described carboxy blocking, graphene oxide intermediate,
Solvent, condensing agent mass ratio are 5:20:40:0.3.
7. a kind of polytrimethylene carbonate modified graphene oxide according to claim 6 enhances polythene fishing net,
It is characterized in that, the solvent is dimethyl sulfoxide.
8. a kind of polytrimethylene carbonate modified graphene oxide according to claim 6 enhances polythene fishing net,
It is characterized in that, the condensing agent is 3- ethyl -1-(3- dimethylaminopropyl) carbodiimide.
9. a kind of polytrimethylene carbonate modified graphene oxide according to claim 1 enhances polythene fishing net,
It is characterized in that, the polythene fishing net further includes that following parts by weight of component is made: polyvinyl resin 120, chinlon 6 section 8, plasticising
Agent 1.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848678.3A CN109280984A (en) | 2018-07-28 | 2018-07-28 | A kind of polytrimethylene carbonate modified graphene oxide enhancing polythene fishing net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810848678.3A CN109280984A (en) | 2018-07-28 | 2018-07-28 | A kind of polytrimethylene carbonate modified graphene oxide enhancing polythene fishing net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109280984A true CN109280984A (en) | 2019-01-29 |
Family
ID=65183287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810848678.3A Pending CN109280984A (en) | 2018-07-28 | 2018-07-28 | A kind of polytrimethylene carbonate modified graphene oxide enhancing polythene fishing net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109280984A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103003193A (en) * | 2010-09-29 | 2013-03-27 | 海洋王照明科技股份有限公司 | Lithium iron phosphate composite material, production method and use thereof |
| CN103855390A (en) * | 2012-11-30 | 2014-06-11 | 海洋王照明科技股份有限公司 | Lithium iron borate /graphene composite and its preparation method and application |
| CN104559101A (en) * | 2015-02-04 | 2015-04-29 | 山东科技大学 | High-strength high-toughness full-degradable polylactic acid composite material and preparation method thereof |
| CN105367724A (en) * | 2015-11-23 | 2016-03-02 | 杭州华纳化工有限公司 | Method for preparing graphene with high dispersity |
| CN107240720A (en) * | 2017-06-27 | 2017-10-10 | 齐鲁工业大学 | A kind of preparation method of modified carbon nano-tube doping solid polymer electrolyte |
| CN107785609A (en) * | 2017-10-31 | 2018-03-09 | 江汉大学 | The preparation method of full solid state polymer electrolyte and the serondary lithium battery containing the electrolyte |
| CN108004612A (en) * | 2016-10-31 | 2018-05-08 | 中国石油化工股份有限公司 | A kind of modified ultra-high molecular weight polyethylene fiber and its method |
-
2018
- 2018-07-28 CN CN201810848678.3A patent/CN109280984A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103003193A (en) * | 2010-09-29 | 2013-03-27 | 海洋王照明科技股份有限公司 | Lithium iron phosphate composite material, production method and use thereof |
| CN103855390A (en) * | 2012-11-30 | 2014-06-11 | 海洋王照明科技股份有限公司 | Lithium iron borate /graphene composite and its preparation method and application |
| CN104559101A (en) * | 2015-02-04 | 2015-04-29 | 山东科技大学 | High-strength high-toughness full-degradable polylactic acid composite material and preparation method thereof |
| CN105367724A (en) * | 2015-11-23 | 2016-03-02 | 杭州华纳化工有限公司 | Method for preparing graphene with high dispersity |
| CN108004612A (en) * | 2016-10-31 | 2018-05-08 | 中国石油化工股份有限公司 | A kind of modified ultra-high molecular weight polyethylene fiber and its method |
| CN107240720A (en) * | 2017-06-27 | 2017-10-10 | 齐鲁工业大学 | A kind of preparation method of modified carbon nano-tube doping solid polymer electrolyte |
| CN107785609A (en) * | 2017-10-31 | 2018-03-09 | 江汉大学 | The preparation method of full solid state polymer electrolyte and the serondary lithium battery containing the electrolyte |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108198884A (en) | The solar cell backboard and its manufacturing method of wet-heat resisting | |
| CN101838435A (en) | PMMA/ASA alloy material for PVC profile coextrusion surface layer and preparation thereof | |
| CN103073795B (en) | A kind of flame-retardant polypropylene membrane and preparation method thereof | |
| CN105566516A (en) | Structure-oriented composite initiator system, acrylamide polymer and preparation method and application of acrylamide polymer | |
| CN102250427A (en) | High-strength high-flexibility flame-retardant cable sheath rubber and preparation method thereof | |
| CN104136197A (en) | High frequency weldable polyolefin compositions containing zeolites | |
| CN104072954A (en) | Poly-2,5-furandicarboxylic acid glycol ester composite material and preparation method thereof | |
| CN109280984A (en) | A kind of polytrimethylene carbonate modified graphene oxide enhancing polythene fishing net | |
| CN104497924A (en) | New antistatic hot melt adhesive and preparation method thereof | |
| CN103408927A (en) | Composite fiber modified nylon material and preparation method thereof | |
| CN108384208A (en) | A kind of PET base wood-plastic composite materials and preparation method thereof | |
| CN105566515A (en) | Structure-oriented composite initiator system and acrylamide polymer and preparation method and application thereof | |
| CN110421937A (en) | A kind of PVC plastic adhesive floor and preparation method thereof | |
| CN100560677C (en) | The application of decamethylene diamine product in the preparation of copolyamide hot melt adhesive | |
| CN105061949A (en) | Insulating PVC (polyvinyl chloride) plastic particle | |
| US20150274927A1 (en) | Inorganic Ionomers Made From Minerals | |
| CN103224653B (en) | A kind of Biodegradable nylon 6/ starch composite material and preparation method thereof | |
| CN104861249A (en) | Polyethylene wholly plastic wood-imitating material and preparation method thereof | |
| JPS6254757A (en) | Polyphenylene sulfide resin composition | |
| CN107245191A (en) | A kind of rare earth modified plastics and preparation method thereof | |
| CN106188853A (en) | A kind of high tenacity high temperature resistant PP/PBT plastic alloy and preparation method thereof | |
| CN107254090A (en) | A kind of modified PE recycled plastic granules and its preparation technology | |
| CN106466559A (en) | A kind of method for continuous production of high compactness anion exchange membrane | |
| CN105001551A (en) | Anti-corrosion power protection pipe | |
| TWI754289B (en) | Method of preparing thermoplastic polyester elastomer membrane with high bonding strength |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190129 |