CN104927204A - Method for preparing modified polypropylene plastic particles - Google Patents
Method for preparing modified polypropylene plastic particles Download PDFInfo
- Publication number
- CN104927204A CN104927204A CN201510418285.5A CN201510418285A CN104927204A CN 104927204 A CN104927204 A CN 104927204A CN 201510418285 A CN201510418285 A CN 201510418285A CN 104927204 A CN104927204 A CN 104927204A
- Authority
- CN
- China
- Prior art keywords
- particle
- waste
- polypropylene plastic
- modified polypropylene
- content
- 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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- 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
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a method for preparing modified polypropylene plastic particles. Novel polypropylene plastic particles, novel polyethylene plastic particles, filler and other additives are added to waste plastic particles to modify the waste plastic particles, so that the modified polypropylene plastic particles with stable performance are obtained. The method has the remarkable advantages that waste recycled plastic is reutilized, and environmental value is high; the preparing method is simple, scientific and systematic, and operation and industrial production are easy; finished products are stable in performance, high in recovery rate and wide in application rate and can be widely applied to products such as automotive parts.
Description
Technical field
The present invention relates to modifying plastics field, particularly relate to a kind of preparation method of modified polypropylene plastic particle.
Background technology
Polypropylene (PP) is of wide application, and mainly comes from that PP is cheap, turnout is large, stable performance.But because waste and old recycled plastic composition is more assorted, cause the unstable properties reclaiming PP plastic pellet.When using waste and old recovery PP plastic pellet, easily cause production formula unstable, the product produced is unstable, often there will be quality accident, causes unnecessary loss to company and individual, also can cause damage even to society.Based on above consideration, if the PP plastic pellet reclaimed modification can become the PP plastic pellet of stable performance, as the starting material of stable supply, above loss can be avoided.
A kind of preparation method of acrylic plastering particle of stable performance is worth research.
Summary of the invention
Goal of the invention: in order to overcome prior art Problems existing, the object of the invention is to propose a kind of utilize waste or used plastics particle to reclaim processability is stablized, the rate of recovery is high, the preparation method of widely used modified polypropylene plastic particle.
Technical scheme: in order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of preparation method of modified polypropylene plastic particle, brand-new acrylic plastering particle is added in waste or used plastics particle, brand-new vinyon particle, filler and other additives are to carry out modification to waste or used plastics particle, obtain the modified polypropylene plastic particle of stable performance, the acrylic plastering comprising 90-92 part is calculated in mass in the modified polypropylene plastic particle of wherein stable performance, the vinyon of 3-8 part, the filler of 4-5 part and other impurity of content 0-1 part.
Further, described preparation method specifically comprises the following steps:
(1) process of waste or used plastics particle: by infrared spectra, nuclear magnetic resonance spectrum, X-ray diffractometer equipment Inspection, draws the component spectrogram in waste or used plastics particle; By the Data Comparison with spectrogram storehouse, judge waste polypropylene plastic in waste or used plastics particle, the content of waste polyethylene plastics and the composition of filler and content;
(2) in the modified polypropylene plastic particle of each component concentration and stable performance in the waste or used plastics particle obtained according to step (1), each component concentration contrasts, and finds out the component and content that lack;
(3) in waste or used plastics particle, add the component and quantity thereof that lack; The modified polypropylene plastic particle of stable performance is obtained by the melt blending of twin screw extruder.
Further, described filler is talcum powder.
Further, the melt temperature in described step (3) is 195 DEG C-230 DEG C.
Further, in waste or used plastics particle, the content of waste polypropylene plastic is 82-86 part in described step (1), the content of waste and old PE plastics is 5-8 part, filler content is 8-9 part, the content of other impurity is 1-2 part.
Further, the brand new polypropylene particle added in described step (3) is 6-8 part, talcum powder is 1-2 part.
Further, described brand new polypropylene particle is homo-polypropylene particle.
Beneficial effect: the preparation method of a kind of modified polypropylene plastic particle provided by the invention, brand-new acrylic plastering particle, brand-new vinyon particle, filler and other additives is added to carry out modification to waste or used plastics particle in waste or used plastics particle, obtain the modified polypropylene plastic particle of stable performance, there is following obviously advantage: a) re-used by waste and old recycled plastic, the value of environmental protection is remarkable; B) simple, the scientific system of preparation method, easy handling and suitability for industrialized production; C) end properties is stablized, and the rate of recovery is high, be widely used, and can be widely used in the products such as automobile component.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1:
A kind of preparation method of modified polypropylene plastic particle, brand-new acrylic plastering particle, brand-new vinyon particle, filler and other additives is added to carry out modification to waste or used plastics particle in waste or used plastics particle, obtain the modified polypropylene plastic particle of stable performance, in the modified polypropylene plastic particle of wherein stable performance, calculate other impurity comprising the acrylic plastering of 90-92 part, the vinyon of 3-8 part, the talcum powder of 4-5 part and content 0-1 part in mass.
Above-mentioned preparation method specifically comprises the following steps:
(1) process of waste or used plastics particle: by infrared spectra, nuclear magnetic resonance spectrum, X-ray diffractometer equipment Inspection, draws the component spectrogram in waste or used plastics particle; By the Data Comparison with spectrogram storehouse, judge waste polypropylene plastic in waste or used plastics particle, the content of waste polyethylene plastics and the composition of filler and content: the content of waste polypropylene plastic is 82-86 part, the content of waste and old PE plastics is 5-8 part, talcum powder content is 8-9 part, the content of other impurity is 1-2 part;
(2) in the modified polypropylene plastic particle of each component concentration and stable performance in the waste or used plastics particle obtained according to step (1), each component concentration contrasts, and finds out the component and content that lack;
(3) in waste or used plastics particle, the component and quantity thereof that lack is added: brand new polypropylene particle 6-10 part, talcum powder 1-2 part; The modified polypropylene plastic particle of stable performance is obtained by the melt blending of twin screw extruder; Wherein melt temperature is 195 DEG C-230 DEG C; Brand new polypropylene particle is homo-polypropylene particle.
Embodiment 2:
A kind of preparation method of modified polypropylene plastic particle, brand-new acrylic plastering particle, brand-new vinyon particle, talcum powder and other additives is added to carry out modification to waste or used plastics particle in waste or used plastics particle, obtain the modified polypropylene plastic particle of stable performance, in the modified polypropylene plastic particle of wherein stable performance, calculate other impurity comprising the acrylic plastering of 90-92 part, the vinyon of 3-8 part, the talcum powder of 4-5 part and content 0-1 part in mass.
Above-mentioned preparation method specifically comprises the following steps:
(1) process of waste or used plastics particle: by infrared spectra, nuclear magnetic resonance spectrum, X-ray diffractometer equipment Inspection, draws the component spectrogram in waste or used plastics particle; By the Data Comparison with spectrogram storehouse, judge waste polypropylene plastic in waste or used plastics particle, the content of waste polyethylene plastics and the composition of filler and content:
The content of waste polypropylene plastic is 60-68 part, and the content of waste polyethylene plastics is 14-16 part, and the content of waste and old ABS plastic is 1-3 part, and calcium carbonate content is 8-9 part, and the content of other impurity is 1-2 part;
(2) in the modified polypropylene plastic particle of each component concentration and stable performance in the waste or used plastics particle obtained according to step (1), each component concentration contrasts, and finds out the component and content that lack;
(3) in waste or used plastics particle, the component and quantity thereof that lack is added: brand new polypropylene particle 22-32 part, talcum powder 4-5 part; The modified polypropylene plastic particle of stable performance is obtained by the melt blending of twin screw extruder; Wherein melt temperature is 195 DEG C-230 DEG C; Brand new polypropylene particle is homo-polypropylene particle.
Embodiment 3:
A kind of preparation method of modified polypropylene plastic particle, brand-new acrylic plastering particle, brand-new vinyon particle, talcum powder and other additives is added to carry out modification to waste or used plastics particle in waste or used plastics particle, obtain the modified polypropylene plastic particle of stable performance, in the modified polypropylene plastic particle of wherein stable performance, calculate other impurity comprising the acrylic plastering of 90-92 part, the vinyon of 3-8 part, the talcum powder of 4-5 part and content 0-1 part in mass.
Above-mentioned preparation method specifically comprises the following steps:
(1) process of waste or used plastics particle: by infrared spectra, nuclear magnetic resonance spectrum, X-ray diffractometer equipment Inspection, draws the component spectrogram in waste or used plastics particle; By the Data Comparison with spectrogram storehouse, judge waste polypropylene plastic in waste or used plastics particle, the content of waste polyethylene plastics and the composition of filler and content:
The content of waste polypropylene plastic is 75-80 part, and the content of waste PVC plastics is 6-7 part, talcum powder content 4-5 part, calcium carbonate content 4-5 part, other foreign matter contents 3-4 part.
(2) in the modified polypropylene plastic particle of each component concentration and stable performance in the waste or used plastics particle obtained according to step (1), each component concentration contrasts, and finds out the component and content that lack;
(3) in waste or used plastics particle, the component and quantity thereof that lack is added: brand new polypropylene particle 12-17 part, brand-new vinyon particle 3-8 part; The modified polypropylene plastic particle of stable performance is obtained by the melt blending of twin screw extruder; Wherein melt temperature is 195 DEG C-230 DEG C; Brand new polypropylene particle is homo-polypropylene particle.
The modified polypropylene plastic particle that the preparation method of a kind of modified polypropylene plastic particle according to embodiment 1-3 is prepared from is carried out performance test, its performance index are as follows: melting index is stabilized in 13g/10min(2.16kg, 230 DEG C), tensile strength is greater than 20MPa, elongation at break is greater than 60%, and the ash content of coal is less than 10%.All be better than traditional modified polypropylene plastic particle.
The preparation method of a kind of modified polypropylene plastic particle of the present invention has following obviously advantage: a) re-used by waste and old recycled plastic, the value of environmental protection is remarkable; B) simple, the scientific system of preparation method, easy handling and suitability for industrialized production; C) end properties is stablized, and the rate of recovery is high, be widely used, and can be widely used in the products such as automobile component.
Should be understood that, above embodiment is only not used in for illustration of the present invention and limits the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Claims (7)
1. the preparation method of a modified polypropylene plastic particle, it is characterized in that in waste or used plastics particle, adding brand-new acrylic plastering particle, brand-new vinyon particle, filler and other additives to carry out modification to waste or used plastics particle, obtain the modified polypropylene plastic particle of stable performance, in the modified polypropylene plastic particle of wherein stable performance, calculate other impurity comprising the acrylic plastering of 90-92 part, the vinyon of 3-8 part, the filler of 4-5 part and content 0-1 part in mass.
2. the preparation method of modified polypropylene plastic particle according to claim 1, is characterized in that comprising the following steps:
(1) process of waste or used plastics particle: by infrared spectra, nuclear magnetic resonance spectrum, X-ray diffractometer equipment Inspection, draws the component spectrogram in waste or used plastics particle; By the Data Comparison with spectrogram storehouse, judge waste polypropylene plastic in waste or used plastics particle, the content of waste polyethylene plastics and the composition of filler and content;
(2) in the modified polypropylene plastic particle of each component concentration and stable performance in the waste or used plastics particle obtained according to step (1), each component concentration contrasts, and finds out the component and content that lack;
(3) in waste or used plastics particle, add the component and quantity thereof that lack; The modified polypropylene plastic particle of stable performance is obtained by the melt blending of twin screw extruder.
3. the preparation method of modified polypropylene plastic particle according to claim 1, is characterized in that: described filler is talcum powder.
4. the preparation method of modified polypropylene plastic particle according to claim 2, is characterized in that: the melt temperature in described step (3) is 195 DEG C-230 DEG C.
5. the preparation method of modified polypropylene plastic particle according to claim 2, is characterized in that: in waste or used plastics particle, the content of waste polypropylene plastic is 82-86 part in described step (1), the content of waste and old PE plastics is 5-8 part, filler content is 8-9 part, the content of other impurity is 1-2 part.
6. the preparation method of modified polypropylene plastic particle according to claim 2, is characterized in that: the brand new polypropylene particle added in described step (3) is 6-10 part, talcum powder is 1-2 part.
7. the preparation method of modified polypropylene plastic particle according to claim 6, is characterized in that: described brand new polypropylene particle is homo-polypropylene particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510418285.5A CN104927204A (en) | 2015-07-16 | 2015-07-16 | Method for preparing modified polypropylene plastic particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510418285.5A CN104927204A (en) | 2015-07-16 | 2015-07-16 | Method for preparing modified polypropylene plastic particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104927204A true CN104927204A (en) | 2015-09-23 |
Family
ID=54114642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510418285.5A Pending CN104927204A (en) | 2015-07-16 | 2015-07-16 | Method for preparing modified polypropylene plastic particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104927204A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987057A (en) * | 2017-05-31 | 2017-07-28 | 苏州新区特氟龙塑料制品厂 | A kind of modified, high temperature resistant polypropylene plastics particle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546559A (en) * | 2003-12-05 | 2004-11-17 | 顾德超 | Macromolecule environment-friendly section bar formula and process |
| CN1858101A (en) * | 2006-04-26 | 2006-11-08 | 南京聚隆化学实业有限责任公司 | Inorganic nano particle modified high performance recovery plastic and its preparing process |
| CN1939961A (en) * | 2005-09-27 | 2007-04-04 | 积水化学工业株式会社 | Thermoplastic resin composition and shaped body made from the composition |
| CN101798410A (en) * | 2009-02-10 | 2010-08-11 | 范明星 | Formula of regenerated plastic prepared by utilizing waste PP and PE mixture |
-
2015
- 2015-07-16 CN CN201510418285.5A patent/CN104927204A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1546559A (en) * | 2003-12-05 | 2004-11-17 | 顾德超 | Macromolecule environment-friendly section bar formula and process |
| CN1939961A (en) * | 2005-09-27 | 2007-04-04 | 积水化学工业株式会社 | Thermoplastic resin composition and shaped body made from the composition |
| CN1858101A (en) * | 2006-04-26 | 2006-11-08 | 南京聚隆化学实业有限责任公司 | Inorganic nano particle modified high performance recovery plastic and its preparing process |
| CN101798410A (en) * | 2009-02-10 | 2010-08-11 | 范明星 | Formula of regenerated plastic prepared by utilizing waste PP and PE mixture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106987057A (en) * | 2017-05-31 | 2017-07-28 | 苏州新区特氟龙塑料制品厂 | A kind of modified, high temperature resistant polypropylene plastics particle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100410324C (en) | Glass fibre reingorced no-halogen flame-retardant nylon 66 and its preparing method | |
| CN102850650A (en) | Basalt fiber reinforced polypropylene composite material and preparation method thereof | |
| CN102924815A (en) | Continuous long glass fiber reinforced polypropylene composite and preparation method thereof | |
| CN105713293A (en) | Nano rare earth oxide/polypropylene composite material and preparation method thereof | |
| CN104371228A (en) | Regenerated carbon fiber reinforced polyvinylidene fluoride (PVDF) composite material and preparation method thereof | |
| CN102304250B (en) | High-melt-index halogen-free flame-retarding polypropylene and preparation method thereof | |
| CN104927204A (en) | Method for preparing modified polypropylene plastic particles | |
| CN104861283A (en) | Impact-resistant modified plastic hollow plate and preparation method thereof | |
| CN108587019B (en) | Paint waste residue modified plastic master batch, preparation method and plastic product prepared from paint waste residue modified plastic master batch | |
| CN106084446A (en) | A kind of enhancing PP/ABS alloy material and preparation method thereof | |
| CN106700263A (en) | Special polypropylene composite material with low after-shrinkage rate for automobile bumper and preparation method thereof | |
| CN102585399A (en) | Black 70 DEG C polyvinyl chloride (PVC) cable sheath material | |
| CN102618050A (en) | Preparation method of modified mould composite material | |
| CN102617998B (en) | Modified masterbatch, and preparation method and application thereof | |
| CN104845144A (en) | Filling modification PET/PTT/TPEE (polyethylene terephthalate/polytrimethylene terephthalate/thermoplastic polyeher ester elastomer) composite material | |
| CN104559121A (en) | Modification production method of polycarbonate engineering plastic | |
| CN110834400B (en) | Preparation method of scratch-resistant polypropylene injection molding part | |
| CN108707279A (en) | A kind of eutectic lapping defect exempts from spray coating polypropylene composite material and preparation method without current mark | |
| CN103992611A (en) | APP high polymerization alloy composite material anti-glare panel and processing process thereof | |
| CN108795081A (en) | A kind of environment-friendlywood-plastic wood-plastic composite material and preparation method thereof | |
| CN104861260A (en) | Antistatic plastic hollow plate and preparation method thereof | |
| CN113388192A (en) | High-toughness low-temperature-resistant highlight regenerated PP (polypropylene) modified material and preparation method thereof | |
| CN101665581A (en) | Method for recycling PC waste | |
| CN108084569A (en) | A kind of polypropylene material with excellent compression trace performance and preparation method thereof | |
| CN101665583A (en) | Method for recycling polycarbonate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150923 |
|
| RJ01 | Rejection of invention patent application after publication |