CN106902786A - A kind of sorbing material with targeting adsorption function and preparation method thereof - Google Patents

A kind of sorbing material with targeting adsorption function and preparation method thereof Download PDF

Info

Publication number
CN106902786A
CN106902786A CN201710165916.6A CN201710165916A CN106902786A CN 106902786 A CN106902786 A CN 106902786A CN 201710165916 A CN201710165916 A CN 201710165916A CN 106902786 A CN106902786 A CN 106902786A
Authority
CN
China
Prior art keywords
fiber
adsorption function
sorbing material
targeting
additive
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
CN201710165916.6A
Other languages
Chinese (zh)
Inventor
尤祥银
杨媛媛
张益慧
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.)
Jiangsu Liyang New Materials Co Ltd
Original Assignee
Jiangsu Liyang New Materials 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 Jiangsu Liyang New Materials Co Ltd filed Critical Jiangsu Liyang New Materials Co Ltd
Priority to CN201710165916.6A priority Critical patent/CN106902786A/en
Publication of CN106902786A publication Critical patent/CN106902786A/en
Priority to PCT/CN2017/103815 priority patent/WO2018171155A1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28023—Fibres or filaments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48—Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Artificial Filaments (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The invention discloses a kind of sorbing material with targeting adsorption function and preparation method thereof, described sorbing material is：The specific additive for having and being infiltrated with particular chemicals liquid phase is added in polypropylene fibre aggregate material, and be equipped with macromolecule hyper-dispersant and be blended with acrylic resin, spun with certain thickness fiber aggregate material by spinning system, fiber aggregate material is bombarded by low-temperature plasma again, carry out electrochemical treatments, increase fiber surface roughness, the effective ingredient of additive is set to precipitate into fiber surface simultaneously, the fiber for ultimately forming has sufficiently low contact angle, there is specific chemicals imbibition characteristic again, ultimately form the sorbing material with targeting adsorption function.Production process nontoxic pollution-free of the present invention, environmental protection, for chemical substance leakage, wiping provide it is a kind of with target adsorption function quality material.

Description

A kind of sorbing material with targeting adsorption function and preparation method thereof
Technical field
The invention belongs to material manufacture field, and in particular to a kind of sorbing material and its preparation with targeting adsorption function Method.
Background technology
The major product of the domestic and international adsorption filtration of in the market include microporous barrier, ion exchange resin, ion-exchange fibre, Activated carbon, ultra-fine fibre glass pad and synthetic fibers non-woven material etc..Micropore membrane separation technique operating pressure is big, film price is held high It is expensive and seriously polluted；Ion exchange resin price is quite high, repeats regeneration and easily cause resin stream to become estranged rupture, and only in part Metal ion field of waste water treatment application；Ion-exchange fibre triggers functional modification using high energy gamma rays, efficiency is low, It is expensive；Activated carbon is relatively high due to material cost, and recycles difficulty, causes extensive use to be restricted；And glass fibers Dimension is than great, its suction-operated only adsorption, and application field is limited.But sorbing material oil suction in the market is in the majority, And the sorbing material that adsorbs specific chemical substance is less, many chemical spills do not have suitable sorbing material to go to enter in time Row treatment.
The content of the invention
Goal of the invention：The present invention provides a kind of sorbing material with targeting adsorption function and preparation method thereof.
Technical scheme：A kind of sorbing material with targeting adsorption function, described sorbing material is：In polypropylene fibre The specific additive for having and being infiltrated with particular chemicals liquid phase is added in aggregate material, and is equipped with macromolecule hyper-dispersant It is blended with acrylic resin, the fiber aggregate material with the thickness more than 1mm is spun by spinning system, then by fiber Aggregate material is bombarded by low-temperature plasma, wherein, voltage is more than 20kv, and frequency is more than 10kHz, then carries out at electrochemistry Reason, increases fiber surface roughness, while making the effective ingredient of additive precipitate into fiber surface, the fiber for ultimately forming has Sufficiently low contact angle, and with specific chemicals imbibition characteristic, ultimately form the sorbing material with targeting adsorption function.
A kind of preparation method of the sorbing material with targeting adsorption function described in basis, comprises the following steps：
Step one：Form fiber aggregate material coiled material：First by acrylic resin section and special additive and dispersant Being placed in together carries out melt blending in extruder, be then quantitatively continuously conveyed into spinneret component by measuring pump, by straight Spray spining technology forms certain thickness fiber aggregate material coiled material；
Step 2：Form sorbing material：Ion is carried out in electric field by fiber aggregate material coiled material as low-temperature plasma Bombardment, makes fibrous inside molecule that electrochemical reaction to occur, and etches fiber surface, while making the additive point with targeting infiltration Son is diffused into fiber surface, ultimately forms the sorbing material with targeting adsorption function；
Step 3：Cut：According to the products application place for needing, the material by being formed in step 2 is cut, It is made the material for meeting use environment.
As optimization：Fiber aggregate material coiled material grammes per square metre scope is 40-600g/m in the step one2。
Beneficial effect：Patent of the present invention is special by adding on the basis of existing polypropylene fibre aggregate material production technology It is fixed with the additive infiltrated with particular chemicals liquid phase, and be equipped with macromolecule hyper-dispersant and carried out with acrylic resin Blending, is spun with certain thickness fiber aggregate material by spinning system, then by fiber aggregate material by low temperature etc. from Son bombardment, carries out electrochemical treatments, increases fiber surface roughness, while making the effective ingredient of additive precipitate into fiber table Face, the fiber for ultimately forming has sufficiently low contact angle, and with specific chemicals imbibition characteristic, ultimately forms with target It is chemistry to the sorbing material of the adsorption material particular chemicals of adsorption function, and production process nontoxic pollution-free, environmental protection Leakage, the wiping of material are there is provided a kind of quality material with targeting adsorption function.
Specific embodiment
With reference to specific embodiment, the present invention will be described in detail.
Specific embodiment one：
A kind of sorbing material with targeting adsorption function, described sorbing material is：In polypropylene fibre aggregate material Middle addition is specific to have the additive infiltrated with particular chemicals liquid phase, and is equipped with macromolecule hyper-dispersant and polypropylene Resin is blended, and the fiber aggregate material with the thickness more than 1mm is spun by spinning system, then by fiber aggregate material Bombarded by low-temperature plasma, wherein, voltage is more than 20kv, and frequency is more than 10kHz, then carries out electrochemical treatments, increases fine Dimension table surface roughness, while making the effective ingredient of additive precipitate into fiber surface, the fiber for ultimately forming has sufficiently low Contact angle, and with specific chemicals imbibition characteristic, ultimately form the sorbing material with targeting adsorption function.
A kind of preparation method of the sorbing material with targeting adsorption function described in basis, comprises the following steps：
Step one：Form fiber aggregate material coiled material：First by acrylic resin section and special additive and dispersant Being placed in together carries out melt blending in extruder, be then quantitatively continuously conveyed into spinneret component by measuring pump, by straight Spray spining technology forms certain thickness fiber aggregate material coiled material；The fiber aggregate material coiled material grammes per square metre scope is 40g/ m2。
Step 2：Form sorbing material：Ion is carried out in electric field by fiber aggregate material coiled material as low-temperature plasma Bombardment, makes fibrous inside molecule that electrochemical reaction to occur, and etches fiber surface, while making the additive point with targeting infiltration Son is diffused into fiber surface, ultimately forms the sorbing material with targeting adsorption function.
Step 3：Cut：According to the products application place for needing, the material by being formed in step 2 is cut, It is made the material for meeting use environment.
Specific embodiment two：
A kind of sorbing material with targeting adsorption function, described sorbing material is：In polypropylene fibre aggregate material Middle addition is specific to have the additive infiltrated with particular chemicals liquid phase, and is equipped with macromolecule hyper-dispersant and polypropylene Resin is blended, and the fiber aggregate material with the thickness more than 1mm is spun by spinning system, then by fiber aggregate material Bombarded by low-temperature plasma, wherein, voltage is more than 20kv, and frequency is more than 10kHz, then carries out electrochemical treatments, increases fine Dimension table surface roughness, while making the effective ingredient of additive precipitate into fiber surface, the fiber for ultimately forming has sufficiently low Contact angle, and with specific chemicals imbibition characteristic, ultimately form the sorbing material with targeting adsorption function.
A kind of preparation method of the sorbing material with targeting adsorption function described in basis, comprises the following steps：
Step one：Form fiber aggregate material coiled material：First by acrylic resin section and special additive and dispersant Being placed in together carries out melt blending in extruder, be then quantitatively continuously conveyed into spinneret component by measuring pump, by straight Spray spining technology forms certain thickness fiber aggregate material coiled material；The fiber aggregate material coiled material grammes per square metre scope is 600g/ m2。
Step 2：Form sorbing material：Ion is carried out in electric field by fiber aggregate material coiled material as low-temperature plasma Bombardment, makes fibrous inside molecule that electrochemical reaction to occur, and etches fiber surface, while making the additive point with targeting infiltration Son is diffused into fiber surface, ultimately forms the sorbing material with targeting adsorption function.
Step 3：Cut：According to the products application place for needing, the material by being formed in step 2 is cut, It is made the material for meeting use environment.
Specific embodiment three：
A kind of sorbing material with targeting adsorption function, described sorbing material is：In polypropylene fibre aggregate material Middle addition is specific to have the additive infiltrated with particular chemicals liquid phase, and is equipped with macromolecule hyper-dispersant and polypropylene Resin is blended, and the fiber aggregate material with the thickness more than 1mm is spun by spinning system, then by fiber aggregate material Bombarded by low-temperature plasma, wherein, voltage is more than 20kv, and frequency is more than 10kHz, then carries out electrochemical treatments, increases fine Dimension table surface roughness, while making the effective ingredient of additive precipitate into fiber surface, the fiber for ultimately forming has sufficiently low Contact angle, and with specific chemicals imbibition characteristic, ultimately form the sorbing material with targeting adsorption function.
A kind of preparation method of the sorbing material with targeting adsorption function described in basis, comprises the following steps：
Step one：Form fiber aggregate material coiled material：First by acrylic resin section and special additive and dispersant Being placed in together carries out melt blending in extruder, be then quantitatively continuously conveyed into spinneret component by measuring pump, by straight Spray spining technology forms certain thickness fiber aggregate material coiled material；The fiber aggregate material coiled material grammes per square metre scope is 400g/ m2。
Step 2：Form sorbing material：Ion is carried out in electric field by fiber aggregate material coiled material as low-temperature plasma Bombardment, makes fibrous inside molecule that electrochemical reaction to occur, and etches fiber surface, while making the additive point with targeting infiltration Son is diffused into fiber surface, ultimately forms the sorbing material with targeting adsorption function.
Step 3：Cut：According to the products application place for needing, the material by being formed in step 2 is cut, It is made the material for meeting use environment.
Patent of the present invention on the basis of existing polypropylene fibre aggregate material production technology, by addition it is specific have with The additive of particular chemicals liquid phase infiltration, and be equipped with macromolecule hyper-dispersant and be blended with acrylic resin, pass through Spinning system is spun with certain thickness fiber aggregate material, then fiber aggregate material is bombarded by low-temperature plasma, is entered Row electrochemical treatments, increase fiber surface roughness, while making the effective ingredient of additive precipitate into fiber surface, most end form Into fiber there is sufficiently low contact angle, and with specific chemicals imbibition characteristic, ultimately form with targeting absorption work( The sorbing material of the adsorption material particular chemicals of energy, and production process nontoxic pollution-free, environmental protection, are letting out for chemical substance Dew, wiping are there is provided a kind of quality material with targeting adsorption function.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are various under enlightenment of the invention The product of form, however, make any change in its shape or structure, it is every with skill identical or similar to the present application Art scheme, is within the scope of the present invention.

Claims (3)

1. a kind of with the sorbing material for targetting adsorption function, it is characterised in that：Described sorbing material is：In polypropylene fibre The specific additive for having and being infiltrated with particular chemicals liquid phase is added in aggregate material, and is equipped with macromolecule hyper-dispersant It is blended with acrylic resin, the fiber aggregate material with the thickness more than 1mm is spun by spinning system, then by fiber Aggregate material is bombarded by low-temperature plasma, wherein, voltage is more than 20kv, and frequency is more than 10kHz, then carries out at electrochemistry Reason, increases fiber surface roughness, while making the effective ingredient of additive precipitate into fiber surface, the fiber for ultimately forming has Sufficiently low contact angle, and with specific chemicals imbibition characteristic, ultimately form the sorbing material with targeting adsorption function.
2. it is a kind of it is according to claim 1 with targeting adsorption function sorbing material preparation method, it is characterised in that： Comprise the following steps：
Step one：Form fiber aggregate material coiled material：First by acrylic resin section together with special additive and dispersant Being placed in carries out melt blending in extruder, be then quantitatively continuously conveyed into spinneret component by measuring pump, is spun by direct-injection Silk technology forms certain thickness fiber aggregate material coiled material；
Step 2：Form sorbing material：Ions Bombardment is carried out in electric field by fiber aggregate material coiled material as low-temperature plasma, Make fibrous inside molecule that electrochemical reaction to occur, and etch fiber surface, while making that there is the additive molecule of targeting infiltration to expand Fiber surface is scattered to, the sorbing material with targeting adsorption function is ultimately formed；
Step 3：Cut：According to the products application place for needing, to being cut by the material formed in step 2, it is made Meet the material of use environment.
3. it is according to claim 2 with targeting adsorption function sorbing material preparation method, it is characterised in that：It is described Fiber aggregate material coiled material grammes per square metre scope is 40-600g/m in step one2。
CN201710165916.6A 2017-03-20 2017-03-20 A kind of sorbing material with targeting adsorption function and preparation method thereof Pending CN106902786A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201710165916.6A CN106902786A (en) 2017-03-20 2017-03-20 A kind of sorbing material with targeting adsorption function and preparation method thereof
PCT/CN2017/103815 WO2018171155A1 (en) 2017-03-20 2017-09-27 Adsorption material having targeted adsorption function and preparation method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710165916.6A CN106902786A (en) 2017-03-20 2017-03-20 A kind of sorbing material with targeting adsorption function and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106902786A true CN106902786A (en) 2017-06-30

Family

ID=59194452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710165916.6A Pending CN106902786A (en) 2017-03-20 2017-03-20 A kind of sorbing material with targeting adsorption function and preparation method thereof

Country Status (2)

Country Link
CN (1) CN106902786A (en)
WO (1) WO2018171155A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018171155A1 (en) * 2017-03-20 2018-09-27 江苏丽洋新材料股份有限公司 Adsorption material having targeted adsorption function and preparation method therefor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104492287A (en) * 2014-12-30 2015-04-08 天津工业大学 Porous polymer membrane of inlaid molecular sieve with adsorption function
CN104511273A (en) * 2014-12-23 2015-04-15 浙江工业大学 Preparation method of volatile organic compound adsorbing material

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7989372B2 (en) * 2007-06-22 2011-08-02 3M Innovative Properties Company Molded respirator comprising meltblown fiber web with staple fibers
EP3034659A1 (en) * 2014-12-17 2016-06-22 Redco NV Improved polypropylene fibers, methods for producing the same and uses thereof for the production of fiber cement products
CN105862255A (en) * 2016-05-07 2016-08-17 洛阳辰祥机械科技有限公司 Polypropylene synthetic fiber environment-friendly cleaning cloth and preparation method thereof
CN106902786A (en) * 2017-03-20 2017-06-30 江苏丽洋新材料股份有限公司 A kind of sorbing material with targeting adsorption function and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104511273A (en) * 2014-12-23 2015-04-15 浙江工业大学 Preparation method of volatile organic compound adsorbing material
CN104492287A (en) * 2014-12-30 2015-04-08 天津工业大学 Porous polymer membrane of inlaid molecular sieve with adsorption function

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
唐丽华等: "低温等离子体亲水改性聚丙烯熔喷非织造布", 《纺织学报》 *
马帅等: "熔体微分静电纺丝法制备聚丙烯共混超细亲水纤维", 《合成纤维》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018171155A1 (en) * 2017-03-20 2018-09-27 江苏丽洋新材料股份有限公司 Adsorption material having targeted adsorption function and preparation method therefor

Also Published As

Publication number Publication date
WO2018171155A1 (en) 2018-09-27

Similar Documents

Publication Publication Date Title
CN101279204A (en) Preparation of high intensity nano fibre functional film
CN105289539A (en) Graphene/ polyvinyl alcohol nanofibers membrane adsorbent, preparation method and appliance
CN105396372A (en) Ultrafine glass fiber composite filter paper and making method thereof
CN101125738A (en) Surface treatment method for basalt fibre
CN110938992B (en) Antibacterial non-woven fabric and preparation method thereof
CN106552518B (en) A kind of hydrogel Nanofiber filter film and preparation method thereof
CN103182296B (en) Preparation method and application of polyester nanofiber modified membrane adsorption material
CN109485041A (en) A kind of method that eutectic ionic liquid prepares porous carbon as pore creating material
CN101600833A (en) With the method for reactive surfactant molecule by the ionisation radiation grafting, the textile substrate and the battery separator that obtain by grafting
CN106902786A (en) A kind of sorbing material with targeting adsorption function and preparation method thereof
CN102179189A (en) Preparation method of pollution-resisting polyvinylidene fluoride ultrafiltration membrane
CN104815565A (en) Preparation method for compound cellulose film for adsorbing heavy metal ions
CN102872833A (en) Novel ion exchange fiber and its application
CN102285706B (en) Preparation method for integral polyacrylonitrile carbon fiber electrode for desalination
CN103161064A (en) Preparation method and application of electrostatic spinning modified membrane adsorption material
CN105381764B (en) A kind of method for preparing polystyrene polyvinyl alcohol double-layer hollow microballoon
CN102172480A (en) Polyvinyl chloride/diatomite composite membrane and preparation method and application thereof
CN103349909A (en) Post-processing method for squeezed alkali liquid in diffusion dialysis recycling viscose manufacture
CN108654406A (en) It is a kind of to cross M in drainage3+Micro/nano fibrous membrane material and preparation method thereof
CN103263855A (en) Method for preparing ion exchange membrane by electrostatic spinning
CN104988599A (en) Preparation method of composite fiber
KR20200108128A (en) Spinning device for multi-components composited nanofibers and method of manufacturing multi-components composited nanofibers thereby
CN204689679U (en) A kind of reverse osmosis system with magnetic field coating
CN103015036B (en) Mosaic-type nano film
CN108339533A (en) It is a kind of to be used to adsorb nano fibrous membrane of heavy metal ion 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: 20170630

RJ01 Rejection of invention patent application after publication