CN107189297A - A kind of water-soluble degradation material, preparation method and printing support - Google Patents

A kind of water-soluble degradation material, preparation method and printing support Download PDF

Info

Publication number
CN107189297A
CN107189297A CN201710591958.6A CN201710591958A CN107189297A CN 107189297 A CN107189297 A CN 107189297A CN 201710591958 A CN201710591958 A CN 201710591958A CN 107189297 A CN107189297 A CN 107189297A
Authority
CN
China
Prior art keywords
content
water
polyvinyl alcohol
soluble
degradation material
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
CN201710591958.6A
Other languages
Chinese (zh)
Inventor
吴华晨
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.)
Nantong Blue Sea New Mstar Technology Ltd
Original Assignee
Nantong Blue Sea New Mstar Technology 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 Nantong Blue Sea New Mstar Technology Ltd filed Critical Nantong Blue Sea New Mstar Technology Ltd
Priority to CN201710591958.6A priority Critical patent/CN107189297A/en
Publication of CN107189297A publication Critical patent/CN107189297A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00Compositions 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 an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/02Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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)

Abstract

Prepared the present invention relates to material and applied technical field, specifically disclose a kind of water-soluble degradation material, preparation method and printing support, material includes major ingredient and auxiliary agent, major ingredient content is 80%, auxiliary agent content is 20%, major ingredient includes high alcoholysis degree polyvinyl alcohol, polyvinyl alcohol with low alcoholysis level and glycerine, and auxiliary agent includes zinc stearate, calcium stearate, talcum powder, triisopropanolamine, three propyl alcohol, antioxidant, atoleine, industrial essence and glycol polyethers;Preparation method:Major ingredient mixes → added auxiliary agent → granulating powders → finished particle;Printing support is made up of water-soluble degradation material.Water solubility degradation material good water solubility of the invention, the water-soluble time is 25 seconds, degradable ability is strong, degraded is achieved that in 15 minutes, and it is widely used, it is small that printing of the invention is supported by diameter difference above and below preferable toughness, cylinder, the quality of printing can be improved when for 3D printing, and reduces the loss to printing equipment.

Description

A kind of water-soluble degradation material, preparation method and printing support
Technical field
Prepared the invention belongs to material and applied technical field, and in particular to a kind of water-soluble degradation material, preparation side Method and printing support.
Background technology
CN1405230A discloses a kind of water-soluble, the pollution-free and i.e. plastic shaping material of fully biodegradable in a short time Material, the material contains polyvinyl alcohol, glycerine, Diethylene Glycol, sorbierite, fiber, white carbon, ultrafine calcium, modified starch. CN1405230A also discloses the preparation method of the material:The glycerine of 1-30 parts of addition in polyvinyl alcohol raw material, in high temperature Lower stirring, makes it add appropriate secondary plasticizer(-iser), crosslinking agent, reinforcing agent, modifying agent, filler etc. after fully soaking;Then, exist Blending reaction 5-50 minutes at a temperature of 25-65 DEG C, then by resulting material be added in single screw rod or double screw extruder carry out Granulation, and can within the temperature range of 150-250 DEG C blown film, foaming.
Due to there is substantial amounts of hydroxyl in polyvinyl alcohol molecule so that have substantial amounts of hydrogen with intramolecular between polyvinyl alcohol molecule Key is present, and is flexible molecule additionally, due to polyvinyl alcohol molecule, the interphase interaction of molecule, weave in form intricate High barrier molecular chain structure.And the interaction force between this polymer molecule is than between general compound molecule Van der Waals force is much bigger, wants to overcome this active force to need higher energy, so as to cause the melting temperature of polyvinyl alcohol high Up to 220-240 DEG C, higher than its decomposition temperature (200 DEG C or so) so that polyvinyl alcohol is typically carbonized with regard to decomposing before melting, It is hardly possible to obtain the polyvinyl alcohol of molten condition, so as to cause the processing characteristics of polyvinyl alcohol very poor, it is necessary to plasticization and modification It can just be processed further afterwards.Although also using plasticizer glycerine in the above-mentioned methods to be plasticized polyvinyl alcohol, by The interleaving effect that can not be destroyed between polyvinyl alcohol molecule in plasticizer glycerine, thus cannot be introduced into polyvinyl alcohol molecule In, the mixing between them is a kind of simple physical blending, also just can not really play the plasticization to polyvinyl alcohol, The melting temperature of polyvinyl alcohol thus can not be reduced, the molten condition of polyvinyl alcohol still can not be realized.And people in the art Member is well known that the technique such as granulation of the prior art and its follow-up blown film, foaming is in single screw rod or twin-screw Molten state will be at after mixture heating melting in extruder, while material is also needed to certain mobility, so The material of molten state could extrude and be molded at the die head of extruder, but above-mentioned material can not reach molten state and With less the mobility under molten state, blow molding or foaming can not be realized at all, because if temperature is too high, poly- second Enol mixture has just been carbonized without melting, and if temperature is less than decomposition temperature, polyvinyl alcohol can not be melted, also It can not be made to realize mixing truly with other components in the molten state, it is impossible to realize that granulation or the raw material being made do not have There is plasticity, thus also can not just carry out follow-up blowfilm shaping or foaming.In summary, with public in CN 1405230A Composition opened and preparation method thereof can only prepare casting films by the tape casting without heating melting.
The content of the invention
The technical problems to be solved by the invention are that there is provided the water-soluble degradable material of one kind in view of the shortcomings of the prior art Material, preparation method, the material water dissolution properties of gained are good, and degradable ability is strong, it is adaptable to make 3D printing support and disposable glove, Shoe cover, apron etc..
In order to solve the above technical problems, a kind of water-soluble degradation material of the present invention, the material includes major ingredient and auxiliary agent, The major ingredient content is 80%, and auxiliary agent content is 20%, and the major ingredient includes high alcoholysis degree polyvinyl alcohol, low alcoholysis level polyethylene Alcohol and glycerine, the auxiliary agent include zinc stearate, calcium stearate, talcum powder, triisopropanolamine, three propyl alcohol, antioxidant, liquid stone Wax, industrial essence and glycol polyethers.
Further, the alcoholysis degree of the high alcoholysis degree polyvinyl alcohol is 99 °, the alcoholysis of the polyvinyl alcohol with low alcoholysis level Spend for 88 °.
Further, the content of the high alcoholysis degree polyvinyl alcohol is 40%, and the content of polyvinyl alcohol with low alcoholysis level is 30%, the content of glycerine is 10%.
Further, the content of the zinc stearate is 4%, and the content of calcium stearate is 6%, and the content of talcum powder is 0.5%, the content of triisopropanolamine is 2%, and the content of three propyl alcohol is 2%, the content of antioxidant is 2%, and atoleine contains Measure as 0.5, the content of industrial essence is 1%, the content of glycol polyethers is 2%.
A kind of preparation method of water-soluble degradation material, specific preparation method is as follows:
S1, high alcoholysis degree polyvinyl alcohol, polyvinyl alcohol with low alcoholysis level and glycerine mixed;
S2, addition zinc stearate when being warming up to 80 DEG C, calcium stearate, talcum powder, triisopropanolamine, three propyl alcohol, antioxidant, Atoleine, industrial essence and glycol polyethers;
S3,100 DEG C are warming up to, material is kneaded;
S4, by after mixing material add comminutor carry out granulating powders;
S5, by granulation machining after obtain finished particle.
Specifically, granulating powders are carried out using dual-screw pelletizer in S4.
A kind of water-soluble 3D printing support, is made using water-soluble degradation material described above.
Specifically, the 3D printing support is cylinder, and diameter difference is less than 0.1 μm.
The beneficial effects of the invention are as follows:Water solubility degradation material of the invention uses high alcoholysis degree and low alcoholysis level polyethylene Alcohol adds auxiliary agent and is modified as major ingredient, then is obtained by granulation, the water-soluble degradation material good water solubility of gained, The water-soluble time is 25 seconds, and degradable ability is strong, and degraded is achieved that in 15 minutes, and widely used, is beaten available for 3D is made Print support and disposable glove, shoe cover, apron etc., printing of the invention is supported by diameter difference above and below preferable toughness, cylinder It is small, the quality of printing can be improved when for 3D printing, and reduce the loss to printing equipment.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common The every other embodiment that technical staff is obtained on the premise of creative work is not made, belongs to what the present invention was protected Scope.
In the specific embodiment of the present invention, a kind of water-soluble degradation material is disclosed, the material includes major ingredient And auxiliary agent, the major ingredient content is 80%, and auxiliary agent content is 20%, and the major ingredient includes high alcoholysis degree polyvinyl alcohol, low alcoholysis Polyvinyl alcohol and glycerine are spent, the alcoholysis degree of the high alcoholysis degree polyvinyl alcohol is 99 °, the alcoholysis of the polyvinyl alcohol with low alcoholysis level Spend for 88 °;The content of the high alcoholysis degree polyvinyl alcohol is 40%, and the content of polyvinyl alcohol with low alcoholysis level is 30%, glycerine Content is 10%.
The auxiliary agent includes zinc stearate, calcium stearate, talcum powder, triisopropanolamine, three propyl alcohol, antioxidant, liquid stone Wax, industrial essence and glycol polyethers, the content of the zinc stearate are 4%, the content of calcium stearate is 6%, and talcum powder contains Measure as 0.5%, the content of triisopropanolamine is 2%, the content of three propyl alcohol is 2%, the content of antioxidant is 2%, atoleine Content be 0.5, the content of industrial essence is 1%, and the content of glycol polyethers is 2%.
Water solubility degradation material of the invention is using polyvinyl alcohol as major ingredient, and addition glycerine is mixed, then added again Auxiliary agent is modified, and water-soluble degradation material is had higher barrier, and water-soluble and degradability more preferably, can be obstructed Various bacteriums, the infection of germ.
The invention also discloses a kind of preparation method of water-soluble degradation material, specific preparation method is as follows:
S1, high alcoholysis degree polyvinyl alcohol, polyvinyl alcohol with low alcoholysis level and glycerine mixed;
S2, addition zinc stearate when being warming up to 80 DEG C, calcium stearate, talcum powder, triisopropanolamine, three propyl alcohol, antioxidant, Atoleine, industrial essence and glycol polyethers;
S3,100 DEG C are warming up to, material is kneaded;
S4, by after mixing material add comminutor carry out granulating powders;
S5, by granulation machining after obtain finished particle.
In a preferred embodiment of the present invention, granulating powders are carried out using dual-screw pelletizer during granulating powders.
The finished particle can carry out processing and forming after melting is extruded by various process equipments, such as:It can pass through Fur lacing machine is fabricated to tie rod, and film can also be made up of inflation film manufacturing machine, and disposable protecting band then is made by various moulds again, prevents Hand guard glove, head protector, protective garment, Protective shoe cover and apron etc..
Supported present invention also offers a kind of water-soluble 3D printing, utilize water-soluble degradation material system described above Into when making 3D printing support, the finished particle of water-soluble degradation material is carried out into melting extrusion, then beaten by 3D Print fur lacing machine and make shaping, the 3D printing support is cylinder, and diameter difference is less than 0.1 μm.
The beneficial effects of the invention are as follows:Water solubility degradation material of the invention uses high alcoholysis degree and low alcoholysis level polyethylene Alcohol adds auxiliary agent and is modified as major ingredient, then is obtained by granulation, the water-soluble degradation material good water solubility of gained, The water-soluble time is 25 seconds, and degradable ability is strong, and degraded is achieved that in 15 minutes, and widely used, is beaten available for 3D is made Print support and disposable glove, shoe cover, apron etc., printing of the invention is supported by diameter difference above and below preferable toughness, cylinder It is small, the quality of printing can be improved when for 3D printing, and reduce the loss to printing equipment.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (8)

1. a kind of water-soluble degradation material, it is characterised in that the material includes major ingredient and auxiliary agent, the major ingredient content is 80%, auxiliary agent content is 20%, and the major ingredient includes high alcoholysis degree polyvinyl alcohol, polyvinyl alcohol with low alcoholysis level and glycerine, described Auxiliary agent include zinc stearate, calcium stearate, talcum powder, triisopropanolamine, three propyl alcohol, antioxidant, atoleine, industrial essence and Glycol polyethers.
2. a kind of water-soluble degradation material according to claim 1, it is characterised in that the high alcoholysis degree polyvinyl alcohol Alcoholysis degree be 99 °, the alcoholysis degree of the polyvinyl alcohol with low alcoholysis level is 88 °.
3. a kind of water-soluble degradation material according to claim 1, it is characterised in that the high alcoholysis degree polyvinyl alcohol Content be 40%, the content of polyvinyl alcohol with low alcoholysis level is 30%, and the content of glycerine is 10%.
4. a kind of water-soluble degradation material according to claim 1, it is characterised in that the content of the zinc stearate is 4%, the content of calcium stearate is 6%, and the content of talcum powder is 0.5%, the content of triisopropanolamine is 2%, and three propyl alcohol contain Measure as 2%, the content of antioxidant is 2%, the content of atoleine is 0.5, the content of industrial essence is 1%, glycol polyethers Content is 2%.
5. a kind of preparation method of water-soluble degradation material, it is characterised in that specific preparation method is as follows:
S1, high alcoholysis degree polyvinyl alcohol, polyvinyl alcohol with low alcoholysis level and glycerine mixed;
S2, addition zinc stearate, calcium stearate, talcum powder, triisopropanolamine, three propyl alcohol, antioxidant, liquid when being warming up to 80 DEG C Paraffin, industrial essence and glycol polyethers;
S3,100 DEG C are warming up to, material is kneaded;
S4, by after mixing material add comminutor carry out granulating powders;
S5, by granulation machining after obtain finished particle.
6. the preparation method of a kind of water-soluble degradation material according to claim 5, it is characterised in that using double in S4 Screw pelletizer carries out granulating powders.
7. a kind of water-soluble 3D printing support, it is characterised in that utilize the material system as described in any one in claim 1-4 Into.
8. a kind of water-soluble 3D printing support according to claim 7, it is characterised in that the 3D printing support is cylinder Shape, diameter difference is less than 0.1 μm.
CN201710591958.6A 2017-07-19 2017-07-19 A kind of water-soluble degradation material, preparation method and printing support Pending CN107189297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710591958.6A CN107189297A (en) 2017-07-19 2017-07-19 A kind of water-soluble degradation material, preparation method and printing support

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710591958.6A CN107189297A (en) 2017-07-19 2017-07-19 A kind of water-soluble degradation material, preparation method and printing support

Publications (1)

Publication Number Publication Date
CN107189297A true CN107189297A (en) 2017-09-22

Family

ID=59883234

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710591958.6A Pending CN107189297A (en) 2017-07-19 2017-07-19 A kind of water-soluble degradation material, preparation method and printing support

Country Status (1)

Country Link
CN (1) CN107189297A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109777016A (en) * 2019-02-02 2019-05-21 广东宝德利新材料科技股份有限公司 A kind of composition containing polyvinyl alcohol, the method and film for preparing film
CN109963701A (en) * 2016-10-18 2019-07-02 株式会社可乐丽 Purposes of the mixture of polyvinyl alcohol and lower polar polymer as supporting structure in 3D printing method
CN111231362A (en) * 2020-01-15 2020-06-05 江门市爱格环保材料有限公司 Preparation process of water-soluble film

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101397081A (en) * 2007-09-30 2009-04-01 江门市宝德利水溶性塑料有限公司 Toilet-flushing type biodegradable collection bag
CN101735538A (en) * 2008-11-20 2010-06-16 刘忠良 High barrier material with shape memory function and preparation method thereof
CN103289264A (en) * 2012-03-05 2013-09-11 上海舟利包装材料有限公司 Environment-friendly dirty object manual collecting bag
CN103319865A (en) * 2013-06-08 2013-09-25 上海博疆新材料科技有限公司 Polylactic acid alloy membrane and application thereof
CN105482326A (en) * 2015-12-25 2016-04-13 佛山市博维环保材料有限公司 Thin film used for laundry bag of dirty articles and preparation method thereof
CN106189009A (en) * 2015-05-08 2016-12-07 中国石油化工集团公司 A kind of high-temperature water-soluble 3D printing consumables
CN106189011A (en) * 2015-05-08 2016-12-07 中国石油化工集团公司 A kind of normal-temperature water dissolubility 3D printing consumables

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101397081A (en) * 2007-09-30 2009-04-01 江门市宝德利水溶性塑料有限公司 Toilet-flushing type biodegradable collection bag
CN101735538A (en) * 2008-11-20 2010-06-16 刘忠良 High barrier material with shape memory function and preparation method thereof
CN103289264A (en) * 2012-03-05 2013-09-11 上海舟利包装材料有限公司 Environment-friendly dirty object manual collecting bag
CN103319865A (en) * 2013-06-08 2013-09-25 上海博疆新材料科技有限公司 Polylactic acid alloy membrane and application thereof
CN106189009A (en) * 2015-05-08 2016-12-07 中国石油化工集团公司 A kind of high-temperature water-soluble 3D printing consumables
CN106189011A (en) * 2015-05-08 2016-12-07 中国石油化工集团公司 A kind of normal-temperature water dissolubility 3D printing consumables
CN105482326A (en) * 2015-12-25 2016-04-13 佛山市博维环保材料有限公司 Thin film used for laundry bag of dirty articles and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘庆宾: "《中国战略性新兴产业研究与发展 功能材料》", 31 May 2016, 机械工业出版社 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109963701A (en) * 2016-10-18 2019-07-02 株式会社可乐丽 Purposes of the mixture of polyvinyl alcohol and lower polar polymer as supporting structure in 3D printing method
US11667083B2 (en) 2016-10-18 2023-06-06 Kuraray Co., Ltd. Use of mixtures of polyvinyl alcohol with less polar polymers as support structure in 3D printing process
CN109777016A (en) * 2019-02-02 2019-05-21 广东宝德利新材料科技股份有限公司 A kind of composition containing polyvinyl alcohol, the method and film for preparing film
CN111231362A (en) * 2020-01-15 2020-06-05 江门市爱格环保材料有限公司 Preparation process of water-soluble film

Similar Documents

Publication Publication Date Title
CN109456555B (en) Blow molding water-soluble polyvinyl alcohol film and preparation method and application thereof
CN107189297A (en) A kind of water-soluble degradation material, preparation method and printing support
KR900701901A (en) Thermoplastically processed starch and its manufacturing method
DE60003367T2 (en) Process for producing a porous product
SE464737B (en) COMPOSITION FOR MICROPOROUS SEPARATORS AND PROCEDURES FOR PREPARING THEREOF
CN111875864A (en) Polyethylene PE microporous breathable film for medical protective clothing and preparation method thereof
DE10142922A1 (en) Polyvinyl alcohol moldings, processes for their production by means of thermoplastic processes and their use
KR101987086B1 (en) A biodegradable composite resin composition having improved low-temperature processability, a method for producing a composite resin, and a sheet manufacturing method therefor
ATE185828T1 (en) BIODEGRADABLE MATERIAL MADE FROM RENEWABLE RAW MATERIALS AND PROCESS FOR ITS PRODUCTION
KR100522485B1 (en) Process for producing branched or crosslinked polyacetal resin
EP0473726A1 (en) Injection molded biodegradable starch polymer composite
CN104558784A (en) Quickly molded polyolefin rotational molding composition and preparation method thereof
CN102363659A (en) Foam plastic sheet and preparation method thereof
CN104927238A (en) Cable material for anti-fracture cable and preparation method thereof
CN109265825B (en) Polypropylene or polypropylene compound foamed product and preparation method thereof
DE1243872B (en) Production of foam plastics from polyesters and polycarbonates
CN113603989B (en) Modified polyvinyl alcohol film and preparation method and application thereof
CN108467580B (en) 3D low-temperature printing material and preparation method thereof
KR102025317B1 (en) Manufacturing method of rubber composite material using waste spandex and rubber composite material using waste spandex produced thereby
CN108424601B (en) Melt-processable water-soluble PVA (polyvinyl alcohol) slice for composite fiber and preparation process thereof
CN113248877B (en) Antioxidant starch-based biodegradable material and preparation method thereof
CN113444344B (en) High-temperature-resistant high-toughness full-bio-based degradable plastic and preparation method thereof
CN107955330A (en) A kind of plastic product material and production method
KR101129858B1 (en) Composition for beads, beads made of the composition and method for manufacturing the same
JP3712302B2 (en) Method for producing epoxy resin composition for semiconductor encapsulation

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: 20170922