CN107383689A - Pvc pipe and its preparation technology - Google Patents
Pvc pipe and its preparation technology Download PDFInfo
- Publication number
- CN107383689A CN107383689A CN201710661700.9A CN201710661700A CN107383689A CN 107383689 A CN107383689 A CN 107383689A CN 201710661700 A CN201710661700 A CN 201710661700A CN 107383689 A CN107383689 A CN 107383689A
- Authority
- CN
- China
- Prior art keywords
- parts
- pvc pipe
- weight
- component
- preparing
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Detergent Compositions (AREA)
Abstract
The present invention provides a kind of pvc pipe and its preparation technology, wherein pvc pipe to be included by weight part：10 parts of 160 parts of PVC140, DBP5,5 10 parts of ethyl cellulose, three 3 3.5 parts of alkali formula sodium phosphites, 0.5 2 parts of disulfide group 2-ethyl hexyl ethanoate stannous methide, 0.1 0.15 parts of stearic acid, 0.5 1 parts of Margarita micropowder, 0.5 1 parts of chitosan, 0.1 0.2 parts of paraffin, 1.2 1.6 parts of talcum powder, 0.5 1 parts of polyethylene polyamine, 26 parts of calcium carbonate, 28 parts of triethanolamine, 28 parts of thiophosphate.Pvc pipe tensile strength of the present invention is superior, because Margarita micropowder is added with material so that the microcrystal content in pvc pipe shaping is so substantially reduced the thermal stress of tubing up to 11%, tubing uses 10 years all without generation cracking phenomena, and the pvc pipe anti-microbial property is very good.
Description
Technical field
The present invention relates to chemical material field, and in particular to a kind of pvc pipe and its preparation technology.
Background technology
PVC (full name Polyvinylchlorid), Main Ingredients and Appearance is polyvinyl chloride, it is possible to additionally incorporate other compositions to strengthen it
Heat resistance, toughness, ductility etc..It is liked deeply in the world today, a kind of rather popular and conjunction for being also widely used
Into material.Its global usage amount is in second in various synthetic materials.According to statistics, only nineteen ninety-five 1 year, PVC is in Europe
Output just have 5,000,000 tons or so, and its consumption figure is then 5,300,000 tons.In Germany, PVC output and consumption
Measure 1,400,000 tons of average out to.Pvc pipe hard polvinyl choride pipe, it is with Corvic and stabilizer, lubricant etc.
Pressure sintering extrusion forming is used afterwards, is the plastic pipe being developed and applied earliest.PVC plastic pipe passes for material composition at present
System, so the problem of manufactured tubing is due to built-in thermal stress, using it is long occur burst phenomenon.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of pvc pipe, also provide pvc pipe preparation technology in addition.
The technical problems to be solved by the invention are realized using following technical scheme：
A kind of pvc pipe, includes by weight part：PVC140-160 parts, DBP5-10 parts, ethyl cellulose 5-10 parts, three
Alkali formula sodium phosphite 3-3.5 parts, disulfide group 2-ethyl hexyl ethanoate stannous methide 0.5-2 parts, stearic acid 0.1-0.15 parts, Margarita micropowder
0.5-1 parts, chitosan 0.5-1 parts, paraffin 0.1-0.2 parts, talcum powder 1.2-1.6 parts, polyethylene polyamine 0.5-1 parts, calcium carbonate
2-6 parts, triethanolamine 2-8 parts, thiophosphate 2-8 parts.
Further, also include by weight part：Zirconium silicate 0.3-0.5 parts, nano zine oxide 0.3-0.5 parts, OK a karaoke club
Glue 0.3-0.5 parts, additive 0.5-0.8 parts.
Further, the additive is lewis base.
A kind of technique for preparing pvc pipe, comprises the following steps：
(1) each component is weighed according to parts by weight；
(2) each component is mixed in mixing and blending machine, mixing rotating speed is 80-100 revs/min, mixing time 30-
60 minute minute；
(3) mixed material is placed in double screw extruder and extruded, wherein temperature control parameter is, head temperature
173-176 DEG C of degree, 190-200 DEG C of die temperature.
Further, material stirring is cleaned after terminating with cleaning fluid in the step (2), cleaning terminate after be put into-
Freezed in 20 DEG C of freezer, then take out material and thaw to 10-15 DEG C, twin-screw extrusion is re-fed into after dry materials
Machine.
Further, the cleaning fluid includes following parts by weight of component：Acetylcholine 2-4 parts, Soybean Peptide 3-8 parts, pearly-lustre
Resin acid 3-6 parts, sorbic acid methyl esters 1-2 parts, modifying agent 1-2 parts, ethanol 50-60 parts；Its preparation method is：Each raw material is mixed equal
It is even.
Further, the modifying agent includes pressing 1 by glycine, eleostearic acid:1 ratio is well mixed.
The beneficial effects of the invention are as follows：This pvc pipe tensile strength is superior, because being added with Margarita micropowder in material so that
Microcrystal content in PVC is so substantially reduced the thermal stress of tubing up to 11%, and tubing was opened using 10 years all without generation
Phenomenon is split, and the pvc pipe anti-microbial property is very good, and the addition of zirconium silicate, nano zine oxide can greatly improve the firm of tubing
Degree and cutting ability.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
Embodiment 1
A kind of pvc pipe, includes by weight part：PVC150 parts, 8 parts of DBP, 8 parts of ethyl cellulose, three alkali formula phosphorous
Sour 3.2 parts of sodium, 1 part of disulfide group 2-ethyl hexyl ethanoate stannous methide, 0.12 part of stearic acid, 0.8 part of Margarita micropowder, 0.8 part of chitosan,
0.15 part of paraffin, 1.4 parts of talcum powder, 0.8 part of polyethylene polyamine, 4 parts of calcium carbonate, 5 parts of triethanolamine, 5 parts of thiophosphate.
Pvc pipe also includes by weight part：0.4 part of zirconium silicate, 0.4 part of nano zine oxide, 0.4 part of carragheen, Louis
0.6 part of this alkali.
A kind of technique for preparing pvc pipe, comprises the following steps：
(1) each component is weighed according to parts by weight；
(2) each component is mixed in mixing and blending machine, mixing rotating speed is 80-100 revs/min, mixing time 30-
60 minute minute；
(3) mixed material is placed in double screw extruder and extruded, wherein temperature control parameter is, head temperature
173-176 DEG C of degree, 190-200 DEG C of die temperature.
Material stirring is cleaned after terminating with cleaning fluid in step (2), and cleaning is put into -20 DEG C of freezer after terminating
Row freezing, then takes out material and thaws to 10-15 DEG C, double screw extruder is re-fed into after dry materials.
Cleaning fluid includes following parts by weight of component：3 parts of acetylcholine, 5 parts of Soybean Peptide, 5 parts of pearly-lustre resin acid, sorbic acid methyl esters
1.5 parts, 1.5 parts of modifying agent, 55 parts of ethanol；Its preparation method is：Each raw material is well mixed.
Modifying agent includes pressing 1 by glycine, eleostearic acid:1 ratio is well mixed.
Embodiment 2
A kind of pvc pipe, includes by weight part：PVC140 parts, 5 parts of DBP, 5 parts of ethyl cellulose, three alkali formula phosphorous
Sour 3 parts of sodium, 0.5 part of disulfide group 2-ethyl hexyl ethanoate stannous methide, 0.1 part of stearic acid, 0.5 part of Margarita micropowder, 0.5 part of chitosan,
0.1 part of paraffin, 1.2 parts of talcum powder, 0.5 part of polyethylene polyamine, 2 parts of calcium carbonate, 2 parts of triethanolamine, 2 parts of thiophosphate.
Pvc pipe also includes by weight part：0.3 part of zirconium silicate, 0.3 part of nano zine oxide, 0.3 part of carragheen, Louis
0.5 part of this alkali.
A kind of technique for preparing pvc pipe, comprises the following steps：
(1) each component is weighed according to parts by weight；
(2) each component is mixed in mixing and blending machine, mixing rotating speed is 80-100 revs/min, mixing time 30-
60 minute minute；
(3) mixed material is placed in double screw extruder and extruded, wherein temperature control parameter is, head temperature
173-176 DEG C of degree, 190-200 DEG C of die temperature.
Material stirring is cleaned after terminating with cleaning fluid in step (2), and cleaning is put into -20 DEG C of freezer after terminating
Row freezing, then takes out material and thaws to 10-15 DEG C, double screw extruder is re-fed into after dry materials.
Cleaning fluid includes following parts by weight of component：2 parts of acetylcholine, 3 parts of Soybean Peptide, 3 parts of pearly-lustre resin acid, sorbic acid methyl esters
1 part, 1 part of modifying agent, 50 parts of ethanol；Its preparation method is：Each raw material is well mixed.
Modifying agent includes pressing 1 by glycine, eleostearic acid:1 ratio is well mixed.
Embodiment 3
A kind of pvc pipe, includes by weight part：PVC160 parts, 10 parts of DBP, 10 parts of ethyl cellulose, three alkali formulas are sub-
3.5 parts of sodium phosphate, 2 parts of disulfide group 2-ethyl hexyl ethanoate stannous methide, 0.15 part of stearic acid, 1 part of Margarita micropowder, 1 part of chitosan, stone
0.2 part of wax, 1.6 parts of talcum powder, 1 part of polyethylene polyamine, 6 parts of calcium carbonate, 8 parts of triethanolamine, 8 parts of thiophosphate.
Pvc pipe also includes by weight part：0.5 part of zirconium silicate, 0.5 part of nano zine oxide, 0.5 part of carragheen, Louis
0.8 part of this alkali.
A kind of technique for preparing pvc pipe, comprises the following steps：
(1) each component is weighed according to parts by weight；
(2) each component is mixed in mixing and blending machine, mixing rotating speed is 80-100 revs/min, mixing time 30-
60 minute minute；
(3) mixed material is placed in double screw extruder and extruded, wherein temperature control parameter is, head temperature
173-176 DEG C of degree, 190-200 DEG C of die temperature.
Material stirring is cleaned after terminating with cleaning fluid in step (2), and cleaning is put into -20 DEG C of freezer after terminating
Row freezing, then takes out material and thaws to 10-15 DEG C, double screw extruder is re-fed into after dry materials.
Cleaning fluid includes following parts by weight of component：4 parts of acetylcholine, 8 parts of Soybean Peptide, 6 parts of pearly-lustre resin acid, sorbic acid methyl esters
2 parts, 2 parts of modifying agent, 60 parts of ethanol；Its preparation method is：Each raw material is well mixed.
Modifying agent includes pressing 1 by glycine, eleostearic acid:1 ratio is well mixed.
Experiment
Pvc pipe made from embodiment 1,2,3 is tested, and contrasted with market common PVC tubing.Result of the test
It is as follows：
Experiment proves：PVC various aspects of performance provided by the invention is superior, wherein tensile strength can reach 416MPa with
On, heat distortion temperature can reach more than 305 DEG C.
In addition in pvc pipe made from embodiment 1,2,3 and market common PVC tube surfaces inoculation streptomycete, it is placed in
Observed in wet environment one week, as a result such as following table：
As seen from the above table, pvc pipe anti-microbial property of the present invention is very good.
The vicat softening temperature of lewis base is not added in pvc pipe made from embodiment 1,2,3, and embodiment 1,2,3
Situation of change is as follows：
As seen from the above table, the addition of lewis base can improve the vicat softening temperature of pvc pipe.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of pvc pipe, it is characterised in that include by weight part：PVC140-160 parts, DBP5-10 parts, ethyl cellulose
5-10 parts, three alkali formula sodium phosphite 3-3.5 parts, disulfide group 2-ethyl hexyl ethanoate stannous methide 0.5-2 parts, stearic acid 0.1-0.15
Part, Margarita micropowder 0.5-1 parts, chitosan 0.5-1 parts, paraffin 0.1-0.2 parts, talcum powder 1.2-1.6 parts, polyethylene polyamine 0.5-
1 part, calcium carbonate 2-6 parts, triethanolamine 2-8 parts, thiophosphate 2-8 parts.
2. pvc pipe according to claim 1, it is characterised in that also include by weight part：Zirconium silicate 0.3-0.5 parts,
Nano zine oxide 0.3-0.5 parts, carragheen 0.3-0.5 parts, additive 0.5-0.8 parts.
3. pvc pipe according to claim 2, it is characterised in that the additive is lewis base.
4. a kind of technique for preparing the pvc pipe as described in any one of claims 1 to 3, it is characterised in that comprise the following steps：
(1) each component is weighed according to parts by weight；
(2) each component is mixed in mixing and blending machine, mixing rotating speed is 80-100 revs/min, 30-60 points of mixing time
Clock minute；
(3) mixed material is placed in double screw extruder and extruded, wherein temperature control parameter is, head temperature
173-176 DEG C, 190-200 DEG C of die temperature.
5. the technique according to claim 4 for preparing pvc pipe, it is characterised in that material stirring terminates in the step (2)
Cleaned afterwards with cleaning fluid, cleaning is put into -20 DEG C of freezer after terminating and freezed, and then takes out material and thaws to 10-
15 DEG C, double screw extruder is re-fed into after dry materials.
6. the technique according to claim 5 for preparing pvc pipe, it is characterised in that the cleaning fluid includes following parts by weight
Component：Acetylcholine 2-4 parts, Soybean Peptide 3-8 parts, pearly-lustre resin acid 3-6 parts, sorbic acid methyl esters 1-2 parts, modifying agent 1-2 parts, ethanol
50-60 parts；
Its preparation method is：Each raw material is well mixed.
7. the technique according to claim 6 for preparing pvc pipe, it is characterised in that the modifying agent is included by glycine, paulownia
Oleic acid presses 1:1 ratio is well mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710661700.9A CN107383689A (en) | 2017-08-04 | 2017-08-04 | Pvc pipe and its preparation technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710661700.9A CN107383689A (en) | 2017-08-04 | 2017-08-04 | Pvc pipe and its preparation technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107383689A true CN107383689A (en) | 2017-11-24 |
Family
ID=60344871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710661700.9A Pending CN107383689A (en) | 2017-08-04 | 2017-08-04 | Pvc pipe and its preparation technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107383689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849090A (en) * | 2020-08-12 | 2020-10-30 | 陈兵 | PVC (polyvinyl chloride) pipe and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937130A (en) * | 2014-05-12 | 2014-07-23 | 宁波高新区卓尔化工科技有限公司 | PVC (polyvinyl chloride) plastic pipe and preparation method thereof |
| CN104194216A (en) * | 2014-08-25 | 2014-12-10 | 赵焕 | Double-walled PVC (polyvinyl chloride) corrugated tube and preparation method thereof |
-
2017
- 2017-08-04 CN CN201710661700.9A patent/CN107383689A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103937130A (en) * | 2014-05-12 | 2014-07-23 | 宁波高新区卓尔化工科技有限公司 | PVC (polyvinyl chloride) plastic pipe and preparation method thereof |
| CN104194216A (en) * | 2014-08-25 | 2014-12-10 | 赵焕 | Double-walled PVC (polyvinyl chloride) corrugated tube and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111849090A (en) * | 2020-08-12 | 2020-10-30 | 陈兵 | PVC (polyvinyl chloride) pipe and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103483717B (en) | A kind of imitative wood grain Masterbatch and preparation method thereof and application | |
| CN104230289B (en) | A kind of 3D prints compositions and its production and use | |
| CN104045901B (en) | The processing method of ultra-high molecular weight polyvinyl composite and production said composition tubing | |
| CN104031417A (en) | Modified calcium carbonate with heat-isolating heat-insulating effect and preparation method thereof | |
| CN101081540B (en) | Wide wood-plastic foaming doors and plate material making method | |
| CN103497479A (en) | Imitation wood grain color master batch, preparation method, and applications thereof | |
| CN105504552A (en) | Polybutylene material for pipes and preparation method of polybutylene material | |
| CN102911456B (en) | PVC (polyvinyl chloride)/ASA (acrylonitrile styrene acrylate) pipe with high impact resistance and method for preparing same | |
| CN101948594A (en) | High-impact-resistance water supply pipe aggregate and preparation method thereof | |
| CN102911479B (en) | High heat conduction epoxy resin composition applicable to fully wrapped devices and preparation method | |
| CN107892809A (en) | A kind of lines of resistance to scratch-type is carved characters film and preparation method thereof | |
| CN107383689A (en) | Pvc pipe and its preparation technology | |
| CN109354774A (en) | Polypropylene toughening heat-preserving complex material and preparation method thereof | |
| CN110144092B (en) | Environment-friendly hard PVC modified material and preparation method thereof | |
| CN103351530A (en) | Composite board produced from modified phosphorus slag and waste plastics and production method thereof | |
| CN103145372B (en) | Composite filler for manufacturing irregular fittings of metal pipeline through cold extrusion technique | |
| CN101974244B (en) | Polyvinyl chloride-based wood plastic composite and preparation method thereof | |
| CN106009162A (en) | PE resin-plastic material and preparing method thereof | |
| CN101269948A (en) | Red mud baked brick and manufacturing method | |
| CN102924842A (en) | High-impact polyvinyl chloride (PVC)/ nitrile-butadiene rubber (NBR) pipe and preparation method thereof | |
| CN105802078A (en) | High-strength polyvinyl chloride (PVC) pipe and preparation technology thereof | |
| JP2009531527A (en) | Edible film with improved sealing properties | |
| CN106117746B (en) | A kind of high density polyethylene (HDPE) plasticizing mother particle and preparation method thereof and its application in hdpe pipe | |
| CN106800739A (en) | Acrylonitrile styrene copolymer composition and profiled spacer therefrom for preparing profiled spacer | |
| CN106830764A (en) | A kind of metal pipe industrial deformation inserts and its production and use |
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: 20171124 |