CN107936700A - A kind of iron oxide oil pastes and preparation method thereof - Google Patents

A kind of iron oxide oil pastes and preparation method thereof Download PDF

Info

Publication number
CN107936700A
CN107936700A CN201711121728.XA CN201711121728A CN107936700A CN 107936700 A CN107936700 A CN 107936700A CN 201711121728 A CN201711121728 A CN 201711121728A CN 107936700 A CN107936700 A CN 107936700A
Authority
CN
China
Prior art keywords
iron oxide
oil pastes
pastes
friendly solvent
composite environmental
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
Application number
CN201711121728.XA
Other languages
Chinese (zh)
Inventor
刘改利
胡思堑
苏松峰
张延奎
魏浩然
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luoyang Shuangrui Corrosion Prevention Engineering Technology Co Ltd
Original Assignee
Luoyang Shuangrui Corrosion Prevention Engineering Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Luoyang Shuangrui Corrosion Prevention Engineering Technology Co Ltd filed Critical Luoyang Shuangrui Corrosion Prevention Engineering Technology Co Ltd
Priority to CN201711121728.XA priority Critical patent/CN107936700A/en
Publication of CN107936700A publication Critical patent/CN107936700A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D17/00Pigment pastes, e.g. for mixing in paints
    • C09D17/004Pigment pastes, e.g. for mixing in paints containing an inorganic pigment
    • C09D17/007Metal oxide
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D17/00Pigment pastes, e.g. for mixing in paints
    • C09D17/002Pigment pastes, e.g. for mixing in paints in organic medium
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/082Anti-corrosive paints characterised by the anti-corrosive pigment
    • C09D5/084Inorganic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to a kind of iron oxide oil pastes, in terms of mass fraction, are made of following raw material:Aldehyde ketone resin 12.5 15%, iron oxide pigment 50 55%, wetting dispersing agent 1 2%, thickens anti-settling agent 1 2%, composite environmental-friendly solvent 24.5 35%.The oil pastes of the present invention are to the versatile of resin paint vehicle, with various kinds of resin(Such as epoxy, acrylic acid, alkyd)With good compatibility, there is good thixotropic property and stronger tinting strength, tinting power on the premise of high solid, can be used in modulating the industrial paints such as bridge paint, steel construction industrial paint, floor paint;Solvent toxicity of the present invention is low, smell is small, belongs to environmentally friendly solvent;The content of iron oxide pigment is up to more than 50% in the oil pastes of the present invention, can significantly reduce cost of transportation and stock's occupancy.

Description

A kind of iron oxide oil pastes and preparation method thereof
Technical field
The present invention relates to paint field, and in particular to a kind of iron oxide oil pastes and preparation method thereof.
Background technology
Mill base is a kind of Pigment Concentrate, by handling surface of pigments, surface parcel etc. technology, by tight processing Technique develops.Iron oxide pigment is cheap, is the inorganic pigment being widely used in coating material production, is often used as preventing Become rusty pigment and coloring pigment, has excellent light resistance and weatherability and stronger tinting strength, tinting power and covering power.But current city Iron oxide mill base on field is mostly aqueous color paste, can be used in modulating the industrial paints such as bridge paint, steel construction industrial paint, floor paint Oil pastes it is then more rare.
The content of the invention
The object of the present invention is to provide a kind of iron oxide oil pastes, versatility of the oil pastes to resin paint vehicle By force, there is good compatibility with various kinds of resin (such as epoxy, acrylic acid, alkyd), can be used in modulating bridge paint, steel construction The industrial paints such as industrial paint, floor paint.
In order to solve the above technical problems, the technical solution adopted in the present invention is:A kind of iron oxide oil pastes, with matter Fraction meter is measured, is made of following raw material:Aldehyde ketone resin 12.5-15%, iron oxide pigment 50-55%, wetting dispersing agent 1- 2%, thicken anti-settling agent 1-2%, composite environmental-friendly solvent 24.5-35%.
Preferably, the aldehyde ketone resin is aldehyde resin CF-A81 (can buy gained by the market).
Preferably, the iron oxide pigment is iron oxide red, iron oxide yellow, iron oxide green, iron oxide black and iron oxide Any one in palm fibre.
Preferably, D95 particle diameters (the largest particles when cumulative distribution is 95% in distribution curve of the iron oxide pigment Equivalent diameter)≤5 μm.
Preferably, the wetting dispersing agent is the heavy polymer solution containing pigment affinity groups.Specifically, institute Wetting dispersing agent is stated as one or both of DISPERBYK-163, DISPERBYK-2150 and TEGO Dispers 670 (DISPERBYK-163, DISPERBYK-2150 and TEGO Dispers 670 can buy gained by market).
Preferably, the thickening anti-settling agent is any two kinds in organobentonite, aerosil and Tissuemat E, And the mass ratio of two kinds of thickening anti-settling agents is 1:1.
Preferably, the composite environmental-friendly solvent is the mixture of Methoxy acetic acid n-propyl and dibasic ester, and methoxyl group The mass ratio of n-propyl acetate and dibasic ester is 4-6:1.Further preferably, the matter of Methoxy acetic acid n-propyl and dibasic ester Amount is than being 5:1.
The present invention also provides a kind of preparation method of iron oxide oil pastes as described above, it is characterised in that including such as Lower step:
1) under 600-800r/min stirring conditions, aldehyde ketone resin is uniformly mixed with a part of composite environmental-friendly solvent, the part The quality of composite environmental-friendly solvent is 1-2 times of aldehyde ketone resin quality;
2) under the stirring condition of 1000-1500r/min, wetting dispersing agent and thickening anti-settling agent is sequentially added, then proceedes to stir Mix 12-17min;
3) iron oxide pigment is added under the stirring condition of 600-800r/min, then with the stirring speed of 1000-1500r/min Degree stirring 17-23min;
4) with milling apparatus milled mixtures to fineness≤10 μm;
5) the composite environmental-friendly solvent of remainder is added into mixed system to adjust color paste viscosity, filters, that is, obtain iron oxide Oil pastes.
Beneficial effect:The oil pastes of the present invention are to the versatile of resin paint vehicle, with various kinds of resin (such as epoxy, propylene Acid, alkyd etc.) there is good compatibility, there is good thixotropic property and stronger coloring on the premise of high solid Power, can be used in modulating the industrial paints such as bridge paint, steel construction industrial paint, floor paint;Solvent toxicity of the present invention is low, gas Taste is small, belongs to environmentally friendly solvent;The oil pastes pigment loading level of the present invention is high, the content of wherein iron oxide pigment be up to 50% with On, modest viscosity, has good stability, and the storage at normal temperature cycle can significantly reduce cost of transportation and stock up to more than 12 months Occupancy.
Embodiment
With reference to specific embodiment, the present invention will be further described in detail.
Aldehyde ketone resin solution in following embodiments is by aldehyde ketone resin and composite environmental-friendly solvent according to mass ratio 1:1 prepares Form, wherein, aldehyde ketone resin is the aldehyde resin CF-A81 of market purchase gained, composite environmental-friendly solvent (complex loop in embodiment It is identical with this to protect solvent composition) it is Methoxy acetic acid n-propyl and dibasic ester according to mass ratio 5:1 mixes.
Embodiment 1
A kind of iron oxide red oil pastes, are made of following raw material:25g aldehyde ketone resins solution (aldehyde ketone resin containing 12.5g and 12.5g composite environmental-friendlies solvent), 55g ferric oxide red colorants, 2g wetting dispersing agents (1g wetting dispersing agents DISPERBYK-163,1g Wetting dispersing agent DISPERBYK-2150), 2g thickening anti-settling agents (1g organobentonites, 1g Tissuemat Es), 16g composite environmental-friendlies are molten Agent (composite environmental-friendly solvent total amount is the 12.5g in aldehyde ketone resin solution plus 16g, common 28.5g herein);
The preparation method of the iron oxide red oil pastes is as follows:1) by 25g aldehyde ketone resins solution and the composite environmental-friendly solvent of 8g It is uniformly mixed under the mixing speed of 600r/min;2) under the stirring condition of 1000r/min, 2g wetting dispersing agents are sequentially added Anti-settling agent is thickened with 2g, then proceedes to stirring 15min;3) after adding the ferric oxide red colorant of 55g under 600r/min low speed, with 1000r/min high-speed stirreds 20min;4) with milling apparatus milled mixtures to fineness≤10 μm;5) by remaining 8g complex loops Protect solvent and add mixed system to adjust color paste viscosity, filter, that is, obtain iron oxide red oil pastes;
The technical indicator of gained iron oxide red oil pastes is shown in Tables 1 and 2.
Embodiment 2
A kind of iron oxide black oil pastes, are made of following raw material:(aldehyde ketone resin containing 15g and 15g are answered 30g aldehyde ketone resins solution Close environmentally friendly solvent), 50g black iron oxide pigments, (0.8g wetting dispersing agents DISPERBYK-163, the 1.2g wetting of 2g wetting dispersing agents Dispersant TEGO Dispers 670), 1.5g thickening anti-settling agents (0.75g organobentonites, 0.75g aerosils), (composite environmental-friendly solvent total amount is 15g in aldehyde ketone resin solution plus 16.5g herein to 16.5g composite environmental-friendlies solvent, altogether 31.5g);
The preparation method of the iron oxide black oil pastes is as follows:1) by 30g aldehyde ketone resins solution and the composite environmental-friendly solvent of 8g It is uniformly mixed under the mixing speed of 800r/min;2) under the stirring condition of 1500r/min, 2g wetting dispersing agents are sequentially added Anti-settling agent is thickened with 1.5g, then proceedes to stirring 15min;3) after adding the black iron oxide pigment of 50g under 800r/min low speed, With 1500r/min high-speed stirreds 20min;4) with milling apparatus milled mixtures to fineness≤10 μm;5) remaining 8.5g is answered Close environmentally friendly solvent and add mixed system to adjust color paste viscosity, filter, that is, obtain iron oxide black oil pastes;Gained iron oxide black The technical indicator of oil pastes is shown in Tables 1 and 2.
Embodiment 3
A kind of iron oxide yellow oil pastes, are made of following raw material:27g aldehyde ketone resins solution (aldehyde ketone resin containing 13.5g and 13.5g composite environmental-friendlies solvent), 55g ferric oxide yellow pigments, 1g wetting dispersing agents DISPERBYK-2150,2g thickening anti-settling agent (1g Tissuemat E, 1g aerosils), (composite environmental-friendly solvent total amount is in aldehyde ketone resin solution to 15g composite environmental-friendlies solvent 13.5g is plus 15g, common 28.5g herein);
The preparation method of the iron oxide yellow oil pastes is as follows:1) by 27g aldehyde ketone resins solution and the composite environmental-friendly solvent of 5g It is uniformly mixed under the mixing speed of 700r/min;2) under the stirring condition of 1200r/min, 1g wetting dispersing agents are sequentially added Anti-settling agent is thickened with 2g, then proceedes to stirring 15min;3) after adding the ferric oxide yellow pigment of 55g under 700r/min low speed, with 1200r/min high-speed stirreds 20min;4) with milling apparatus milled mixtures to fineness≤10 μm;5) by remaining 10g complex loops Protect solvent and add mixed system to adjust color paste viscosity, filter, that is, obtain iron oxide yellow oil pastes;
The technical indicator of gained iron oxide yellow oil pastes is shown in Tables 1 and 2.
Embodiment 4
A kind of iron oxide green oil pastes, are made of following raw material:27g aldehyde ketone resins solution (aldehyde ketone resin containing 13.5g and 13.5g composite environmental-friendlies solvent), 50g iron oxide green pigment, 1.6g wetting dispersing agents DISPERBYK-163,1.4g thickening anti-settling agent (0.7g organobentonites, 0.7g aerosils), (composite environmental-friendly solvent total amount is aldehyde ketone resin to 20g composite environmental-friendlies solvent 13.5g in solution is plus 20g, common 33.5g herein);
The preparation method of the iron oxide green oil pastes is as follows:1) by 27g aldehyde ketone resins solution and the composite environmental-friendly solvent of 10g It is uniformly mixed under the mixing speed of 600r/min;2) under the stirring condition of 1000r/min, 1.6g wetting and dispersings are sequentially added Agent and 1.4g thickening anti-settling agents, then proceed to stirring 15min;3) the iron oxide green pigment of 50g is added under 800r/min low speed Afterwards, with 1000r/min high-speed stirreds 20min;4) with milling apparatus milled mixtures to fineness≤10 μm;5) by remaining 10g Composite environmental-friendly solvent adds mixed system to adjust color paste viscosity, filters, that is, obtains iron oxide green oil pastes;Gained iron oxide The technical indicator of green oil pastes is shown in Tables 1 and 2.
Embodiment 5
A kind of iron oxide brown oil pastes, are made of following raw material:25g aldehyde ketone resins solution (aldehyde ketone resin containing 12.5g and 12.5g composite environmental-friendlies solvent), 54g iron oxide brown pigment, 2g wetting dispersing agents (1g wetting dispersing agents DISPERBYK-2150,1g Wetting dispersing agent TEGO Dispers 670), 1g thickening anti-settling agents (0.5g organobentonites, 0.5g aerosils), 18g Composite environmental-friendly solvent (composite environmental-friendly solvent total amount is the 12.5g in aldehyde ketone resin solution plus 18g, common 30.5g herein);Institute The preparation method for stating iron oxide brown oil pastes is as follows:1) by the composite environmental-friendly solvent of 25g aldehyde ketone resins solution and 9g in 800r/ It is uniformly mixed under the mixing speed of min;2) under the stirring condition of 1500r/min, 2g wetting dispersing agents is sequentially added and 1g increases Thick anti-settling agent, then proceedes to stirring 15min;3) after adding the iron oxide brown pigment of 54g under 800r/min low speed, with 1500r/ Min high-speed stirreds 20min;4) with milling apparatus milled mixtures to fineness≤10 μm;5) by remaining 9g composite environmental-friendlies solvent Mixed system is added to adjust color paste viscosity, filters, that is, obtains iron oxide brown oil pastes;
The technical indicator of gained iron oxide brown oil pastes is shown in Tables 1 and 2.
The basic performance such as table 1 of iron oxide oil pastes prepared by embodiment 1-5:
1 iron oxide mill base basic performance of table
Universal performance of the prepared mill base to various kinds of resin type is examined with common compatibility test method, specific method is: Mill base is added in the solvent based coating of different resins species by 5% additive amount, after fully stirring evenly, is coated on coated article table Face, is tested with method of grinding is referred to, and is referred to after dry and is ground region without loose colour or floating phenomenon, refers to and grind region and do not refer to the aberration △ E for grinding region ≤ 0.5 is considered as qualification, and testing result is shown in Table 2:
2 iron oxide mill base compatibility test result of table

Claims (10)

1. a kind of iron oxide oil pastes, it is characterised in that in terms of mass fraction, be made of following raw material:Aldehyde ketone resin 12.5-15%, iron oxide pigment 50-55%, wetting dispersing agent 1-2%, thicken anti-settling agent 1-2%, composite environmental-friendly solvent 24.5- 35%。
A kind of 2. iron oxide oil pastes as claimed in claim 1, it is characterised in that:The aldehyde ketone resin is aldehyde resin CF-A81。
A kind of 3. iron oxide oil pastes as claimed in claim 1, it is characterised in that:The iron oxide pigment is oxidation Any one in iron oxide red, iron oxide yellow, iron oxide green, iron oxide black and iron oxide brown.
A kind of 4. iron oxide oil pastes as claimed in claim 1, it is characterised in that:The D95 of the iron oxide pigment Particle diameter≤5 μm.
A kind of 5. iron oxide oil pastes as claimed in claim 1, it is characterised in that:The wetting dispersing agent is to contain face Expect the heavy polymer solution of affinity groups.
A kind of 6. iron oxide oil pastes as claimed in claim 5, it is characterised in that:The wetting dispersing agent is One or both of DISPERBYK-163, DISPERBYK-2150 and TEGO Dispers 670.
A kind of 7. iron oxide oil pastes as claimed in claim 1, it is characterised in that:The thickening anti-settling agent is organic bentonite Any two kinds in profit soil, aerosil and Tissuemat E, and the mass ratio of two kinds of thickening anti-settling agents is 1:1.
A kind of 8. iron oxide oil pastes as claimed in claim 1, it is characterised in that:The composite environmental-friendly solvent is methoxy The mixture of base n-propyl acetate and dibasic ester, and the mass ratio of Methoxy acetic acid n-propyl and dibasic ester is 4-6:1.
A kind of 9. iron oxide oil pastes as claimed in claim 8, it is characterised in that:Methoxy acetic acid n-propyl and divalence The mass ratio of acid esters is 5:1.
10. a kind of preparation method of iron oxide oil pastes as claimed in claim 1, it is characterised in that including following step Suddenly:
1)Under 600-800r/min stirring conditions, aldehyde ketone resin is uniformly mixed with a part of composite environmental-friendly solvent, the part The quality of composite environmental-friendly solvent is 1-2 times of aldehyde ketone resin quality;
2)Under the stirring condition of 1000-1500r/min, wetting dispersing agent and thickening anti-settling agent are sequentially added, then proceedes to stir Mix 12-17min;
3)Iron oxide pigment is added under the stirring condition of 600-800r/min, then with the stirring speed of 1000-1500r/min Degree stirring 17-23min;
4)With milling apparatus milled mixtures to fineness≤10 μm;
5)The composite environmental-friendly solvent of remainder is added into mixed system to adjust color paste viscosity, filters, that is, obtains iron oxide Oil pastes.
CN201711121728.XA 2017-11-14 2017-11-14 A kind of iron oxide oil pastes and preparation method thereof Pending CN107936700A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711121728.XA CN107936700A (en) 2017-11-14 2017-11-14 A kind of iron oxide oil pastes and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711121728.XA CN107936700A (en) 2017-11-14 2017-11-14 A kind of iron oxide oil pastes and preparation method thereof

Publications (1)

Publication Number Publication Date
CN107936700A true CN107936700A (en) 2018-04-20

Family

ID=61934021

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711121728.XA Pending CN107936700A (en) 2017-11-14 2017-11-14 A kind of iron oxide oil pastes and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107936700A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022267324A1 (en) * 2021-06-25 2022-12-29 浙江纳美新材料股份有限公司 Color paste for water-based pen ink

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103305062A (en) * 2013-07-12 2013-09-18 三棵树涂料股份有限公司 Environment-friendly general color paste and preparation method thereof
CN107189555A (en) * 2017-06-28 2017-09-22 广东珠江化工涂料有限公司 A kind of solvent based coating general color paste and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103305062A (en) * 2013-07-12 2013-09-18 三棵树涂料股份有限公司 Environment-friendly general color paste and preparation method thereof
CN107189555A (en) * 2017-06-28 2017-09-22 广东珠江化工涂料有限公司 A kind of solvent based coating general color paste and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022267324A1 (en) * 2021-06-25 2022-12-29 浙江纳美新材料股份有限公司 Color paste for water-based pen ink

Similar Documents

Publication Publication Date Title
EP1474484B1 (en) Granular pigment
JP4800578B2 (en) Pigment preparation
CN107474683A (en) A kind of preparation method of anticorrosive paint
CN103305062B (en) Environment-friendlygeneral general color paste and preparation method thereof
CN108912848A (en) Pigment preparations mill base
CN104312285A (en) Water-based ink and preparation method thereof
CN102146245B (en) Lanxiang ultra black automobile refinishing coating and preparation method thereof
CN103788775A (en) Water-based pigment type nano color paste and preparation method thereof
CN103572617A (en) Water-based anti-settling non-laminated fluorescent pigment paste
CN104449025B (en) A kind of paint production method
CN107936700A (en) A kind of iron oxide oil pastes and preparation method thereof
CA2447669C (en) Method for coloring building materials using a cationic pigment dispersion
CN108117800A (en) A kind of goth black mill base and preparation method thereof
CN105440782B (en) A kind of optical fiber coloring ink before coloring without stirring
CN104497695B (en) Dendritic polymer dispersant-added waterborne coating ink
CN103694826B (en) A kind of car paint and preparation method thereof
CN101260274B (en) Technique for preparing two-component epoxy vinyl ester resin paint
CN113956680A (en) Odorless water-oil universal color concentrate and preparation method thereof
CN112940565A (en) Environment-friendly superfine oily universal color paste and preparation method thereof
CN112159606A (en) Water-based nano universal color paste and preparation method thereof
CN114456644B (en) High-saturation environment-friendly water-based red paste and preparation method thereof
DE10204583A1 (en) Pigment composition, useful in paints, inks and building materials, comprises a pigment, a non-ionic polyether based surfactant and an anionic sulfonate, sulfate, phosphonate or phosphate based surfactant
CN110591411A (en) Preparation method of carbazole di-dumb-oxazine organic pigment
EP0974628A2 (en) Universal water-dispersible pigmented pastes, zero V.O.C.
CN103483913B (en) A kind of oiliness purple blue paste and preparation method thereof

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

Application publication date: 20180420

RJ01 Rejection of invention patent application after publication