CN108531051A - A kind of high-adhesion waterborne epoxy coatings - Google Patents

A kind of high-adhesion waterborne epoxy coatings Download PDF

Info

Publication number
CN108531051A
CN108531051A CN201810293496.4A CN201810293496A CN108531051A CN 108531051 A CN108531051 A CN 108531051A CN 201810293496 A CN201810293496 A CN 201810293496A CN 108531051 A CN108531051 A CN 108531051A
Authority
CN
China
Prior art keywords
parts
powder
epoxy resin
resin composite
bisphenol
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.)
Withdrawn
Application number
CN201810293496.4A
Other languages
Chinese (zh)
Inventor
孙巨福
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.)
Tianchang Julong Car and Ship Coating Co Ltd
Original Assignee
Tianchang Julong Car and Ship Coating 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 Tianchang Julong Car and Ship Coating Co Ltd filed Critical Tianchang Julong Car and Ship Coating Co Ltd
Priority to CN201810293496.4A priority Critical patent/CN108531051A/en
Publication of CN108531051A publication Critical patent/CN108531051A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/329—Phosphorus containing acids
    • 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

Abstract

The invention discloses a kind of high-adhesion waterborne epoxy coatings, including two kinds of components of first, second, and the weight ratio of two component of first, second is 10：40‑100；Wherein first component includes：Bisphenol A-type polyester resin, epoxy resin composite, re-dispersible glue powder, negative ion powder, tourmaline powder, diatomite, bastard coal mountain flour, medical stone powder, quartz powder, multi-walled carbon nanotube, dispersant, antifoaming agent, wetting agent；Second component includes：Water and trimethylhexamethylenediamine.Epoxy resin composite is prepared using following technique：Polyphosphoric acids, polyether polyol are mixed, heating stirring is added bisphenol A type epoxy resin and continues to stir, and methyl hexahydrophthalic anhydride, 2,4,6 three (dimethylamino methyl) phenol is added, heating stirring, cooling, crushing obtains epoxy resin composite.Good environmental protection of the present invention, waterproof effect is outstanding, and adhesive strength is high, and service life is long.

Description

A kind of high-adhesion waterborne epoxy coatings
Technical field
The present invention relates to technical field of coatings more particularly to a kind of high-adhesion waterborne epoxy coatings.
Background technology
Oil paint at present is widely used in household dress with the finishing of its good waterproof, adhesive strength and elegance Repair and medium-to-high grade handicraft decorative on.But itself contains solvent, to use when use and contain benzene class, alcohols, esters or ketone The health hazard of a large amount of organic solvent dilutings of class, pollution and human body to environment is very big, and is inflammable and explosive product, to production And there are latent fire hazards for construction site.How a kind of environmental protection, good water-proof effect are prepared, and the high water paint of adhesive strength becomes mesh The preceding technical issues that need to address.
Invention content
Technical problems based on background technology, the present invention propose a kind of high-adhesion waterborne epoxy coatings, ring Guaranteed cost is good, and waterproof effect is outstanding, and adhesive strength is high, and service life is long.
A kind of high-adhesion waterborne epoxy coatings proposed by the present invention, including two kinds of components of first, second, and two groups of first, second The weight ratio divided is 10：40-100；Wherein first component includes：It is bisphenol A-type polyester resin, epoxy resin composite, redispersible Rubber powder, negative ion powder, tourmaline powder, diatomite, bastard coal mountain flour, medical stone powder, quartz powder, multi-walled carbon nanotube, dispersant, Antifoaming agent, wetting agent；Second component includes：Water and trimethylhexamethylenediamine.
Preferably, first component includes by weight：40-100 parts of bisphenol A-type polyester resin, epoxy resin composite 30-60 Part, 10-20 parts of re-dispersible glue powder, 5-13 parts of negative ion powder, 2-10 parts of tourmaline powder, 4-10 parts of diatomite, bastard coal mountain flour 1-5 Part, 1-5 parts of medical stone powder, 1-4 parts of quartz powder, 1-5 parts of multi-walled carbon nanotube, 1-2 parts of dispersant, 1-2 parts of antifoaming agent, wetting 1-2 parts of agent.
Preferably, epoxy resin composite is prepared using following technique：Polyphosphoric acids, polyether polyol are mixed, heating Stirring is added bisphenol A type epoxy resin and continues to stir, methyl hexahydrophthalic anhydride, 2,4,6- tri- (dimethylamino methyl) phenol are added, Heating stirring, cooling, crushing obtains epoxy resin composite.
Preferably, it in the preparation process of epoxy resin composite, after polyphosphoric acids, polyether polyol are mixed, is warming up to 70-80 DEG C of stirring 2-5h.
Preferably, in the preparation process of epoxy resin composite, methyl hexahydrophthalic anhydride, 2,4,6- tri- (dimethylaminos are added Methyl) after phenol, it is warming up to 150-160 DEG C of stirring 10-20min.
Preferably, in the preparation process of epoxy resin composite, polyphosphoric acids, polyether polyol, bisphenol type epoxy tree Fat, methyl hexahydrophthalic anhydride, 2,4,6- tri- (dimethylamino methyl) phenol weight ratio be 20-40：4-15：100-149：0.2- 0.8：1-2.
Preferably, second component includes by weight：40-60 parts of water, 2-8 parts of trimethylhexamethylenediamine.
The present invention is using water as solvent, and environmental protection, safety are without hidden danger, various raw material composites, make the present invention adhesive force, Flexibility is good, and paint film feel is fine and smooth, can be widely used, have a vast market in house fitting-up and medium-to-high grade technique Foreground.
The present invention is using bisphenol A-type polyester resin, resin based on epoxy resin composite, it is possible to provide excellent attachment Power, and good water-proof effect, safety and environmental protection；And in epoxy resin composite, using bisphenol A type epoxy resin as matrix, using more It is on the one hand good to bisphenol A type epoxy resin toughening effect after polyphosphoric acid, polyether polyol polymerization, it is on the other hand poly- with bisphenol A-type Ester resin, the compatibility of re-dispersible glue powder are good, further the film-forming under the cooperation of trimethylhexamethylenediamine, can be Under the premise of the adhesion strength for ensureing the present invention, toughening effect is good, and water resistance is excellent, and almost without burst size of methanal, not dirty Contaminate environment；Negative ion powder, tourmaline powder, multi-walled carbon nanotube can not only emit far infrared simultaneously, effectively remove the first in air The pernicious gases such as aldehyde, and mould is can inhibit, and the hardness of the present invention can be enhanced, cooperation re-dispersible glue powder effect is being kept Under the premise of hardness, good toughness, mechanical property is good, and service life is long.
Specific implementation mode
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of high-adhesion waterborne epoxy coatings, including two kinds of components of first, second, and the weight ratio of two component of first, second is 1：4；
First component includes：Bisphenol A-type polyester resin 100kg, epoxy resin composite 30kg, re-dispersible glue powder 20kg, Negative ion powder 5kg, tourmaline powder 10kg, diatomite 4kg, bastard coal mountain flour 5kg, medical stone powder 1kg, quartz powder 4kg, multi wall carbon Nanotube 1kg, dispersant 2kg, antifoaming agent 1kg, wetting agent 2kg；
Epoxy resin composite is prepared using following technique：20g polyphosphoric acids, 15g polyether polyol are mixed, are warming up to 70 DEG C of stirring 5h are added 100g bisphenol A type epoxy resins and continue to stir 40min, 0.2g methyl hexahydrophthalic anhydrides, 2g 2,4 is added, 6- tri- (dimethylamino methyl) phenol is warming up to 150 DEG C of stirring 20min, and cooling, crushing obtains epoxy resin composite；
Second component includes：Water 40kg, trimethylhexamethylenediamine 8kg.
Embodiment 2
A kind of high-adhesion waterborne epoxy coatings, including two kinds of components of first, second, and the weight ratio of two component of first, second is 1：10；
First component includes：Bisphenol A-type polyester resin 40kg, epoxy resin composite 60kg, re-dispersible glue powder 10kg are born Ion powder 13kg, tourmaline powder 2kg, diatomite 10kg, bastard coal mountain flour 1kg, medical stone powder 5kg, quartz powder 1kg, multi wall carbon Nanotube 5kg, dispersant 1kg, antifoaming agent 2kg, wetting agent 1kg；
Epoxy resin composite is prepared using following technique：40g polyphosphoric acids, 4g polyether polyol are mixed, are warming up to 80 DEG C of stirring 2h are added 149g bisphenol A type epoxy resins and continue to stir 20min, 0.8g methyl hexahydrophthalic anhydrides, 1g 2,4 is added, 6- tri- (dimethylamino methyl) phenol is warming up to 160 DEG C of stirring 10min, and cooling, crushing obtains epoxy resin composite；
Second component includes：Water 60kg, trimethylhexamethylenediamine 2kg.
Embodiment 3
A kind of high-adhesion waterborne epoxy coatings, including two kinds of components of first, second, and the weight ratio of two component of first, second is 1：5；
First component includes：Bisphenol A-type polyester resin 80kg, epoxy resin composite 40kg, re-dispersible glue powder 18kg are born Ion powder 7kg, tourmaline powder 8kg, diatomite 6kg, bastard coal mountain flour 4kg, medical stone powder 2kg, quartz powder 3kg, multi wall carbon are received Mitron 2kg, dispersant 1.8kg, antifoaming agent 1.3kg, wetting agent 1.6kg；
Epoxy resin composite is prepared using following technique：25g polyphosphoric acids, 12g polyether polyol are mixed, are warming up to 73 DEG C of stirring 4h are added 120g bisphenol A type epoxy resins and continue to stir 35min, 0.4g methyl hexahydrophthalic anhydrides, 1.8g 2 is added, 4,6- tri- (dimethylamino methyl) phenol are warming up to 152 DEG C of stirring 18min, and cooling, crushing obtains epoxy resin composite；
Second component includes：Water 45kg, trimethylhexamethylenediamine 6kg.
Embodiment 4
A kind of high-adhesion waterborne epoxy coatings, including two kinds of components of first, second, and the weight ratio of two component of first, second is 1：9；
First component includes：Bisphenol A-type polyester resin 60kg, epoxy resin composite 50kg, re-dispersible glue powder 12kg are born Ion powder 11kg, tourmaline powder 4kg, diatomite 8kg, bastard coal mountain flour 2kg, medical stone powder 4kg, quartz powder 2kg, multi wall carbon are received Mitron 4kg, dispersant 1.2kg, antifoaming agent 1.7kg, wetting agent 1.4kg；
Epoxy resin composite is prepared using following technique：35g polyphosphoric acids, 6g polyether polyol are mixed, are warming up to 77 DEG C of stirring 3h are added 140g bisphenol A type epoxy resins and continue to stir 25min, 0.6g methyl hexahydrophthalic anhydrides, 1.3g 2 is added, 4,6- tri- (dimethylamino methyl) phenol are warming up to 158 DEG C of stirring 12min, and cooling, crushing obtains epoxy resin composite；
Second component includes：Water 55kg, trimethylhexamethylenediamine 4kg.
Embodiment 5
A kind of high-adhesion waterborne epoxy coatings, including two kinds of components of first, second, and the weight ratio of two component of first, second is 1：7；
First component includes：Bisphenol A-type polyester resin 70kg, epoxy resin composite 45kg, re-dispersible glue powder 15kg are born Ion powder 9kg, tourmaline powder 6kg, diatomite 7kg, bastard coal mountain flour 3kg, medical stone powder 3kg, quartz powder 2.5kg, multi wall carbon Nanotube 3kg, dispersant 1.5kg, antifoaming agent 1.5kg, wetting agent 1.5kg；
Epoxy resin composite is prepared using following technique：30g polyphosphoric acids, 9g polyether polyol are mixed, are warming up to 75 DEG C of stirring 3.5h are added 130g bisphenol A type epoxy resins and continue to stir 30min, 0.5g methyl hexahydrophthalic anhydrides, 1.5g is added 2,4,6- tri- (dimethylamino methyl) phenol are warming up to 155 DEG C of stirring 15min, and cooling, crushing obtains epoxy resin composite；
Second component includes：Water 50kg, trimethylhexamethylenediamine 5kg.
Comparative example
A kind of commercially available waterborne epoxy coatings, including two kinds of components of first, second, and the weight ratio of two component of first, second is 1：7；
First component includes：Bisphenol A-type polyester resin 70kg, aqueous epoxy resins 45kg, re-dispersible glue powder 15kg, bear from Sub- powder 9kg, tourmaline powder 6kg, diatomite 7kg, bastard coal mountain flour 3kg, medical stone powder 3kg, quartz powder 2.5kg, multi wall carbon are received Mitron 3kg, dispersant 1.5kg, antifoaming agent 1.5kg, wetting agent 1.5kg；
Second component includes：Water 50kg, trimethylhexamethylenediamine 5kg.
By commercially available waterborne epoxy coatings progressive obtained by 5 gained high-adhesion waterborne epoxy coatings of embodiment and comparative example It can test, result is as follows：
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (7)

1. a kind of high-adhesion waterborne epoxy coatings, which is characterized in that including two kinds of components of first, second, and two component of first, second Weight ratio is 10：40-100；Wherein first component includes：Bisphenol A-type polyester resin, epoxy resin composite, re-dispersible glue powder, Negative ion powder, tourmaline powder, diatomite, bastard coal mountain flour, medical stone powder, quartz powder, multi-walled carbon nanotube, dispersant, defoaming Agent, wetting agent；Second component includes：Water and trimethylhexamethylenediamine.
2. high-adhesion waterborne epoxy coatings according to claim 1, which is characterized in that first component includes by weight： 40-100 parts of bisphenol A-type polyester resin, 30-60 parts of epoxy resin composite, 10-20 parts of re-dispersible glue powder, negative ion powder 5- 13 parts, 2-10 parts of tourmaline powder, 4-10 parts of diatomite, 1-5 parts of bastard coal mountain flour, 1-5 parts of medical stone powder, 1-4 parts of quartz powder is more 1-5 parts of wall carbon nano tube, 1-2 parts of dispersant, 1-2 parts of antifoaming agent, 1-2 parts of wetting agent.
3. high-adhesion waterborne epoxy coatings according to claim 1 or claim 2, which is characterized in that epoxy resin composite is adopted It is prepared with following technique：Polyphosphoric acids, polyether polyol are mixed, heating stirring is added bisphenol A type epoxy resin and continues to stir It mixes, methyl hexahydrophthalic anhydride, 2,4,6- tri- (dimethylamino methyl) phenol is added, heating stirring, cooling, crushing obtains epoxy resin Compound.
4. high-adhesion waterborne epoxy coatings according to claim 3, which is characterized in that the preparation of epoxy resin composite In technique, after polyphosphoric acids, polyether polyol are mixed, it is warming up to 70-80 DEG C of stirring 2-5h.
5. according to the high-adhesion waterborne epoxy coatings of claim 3 or 4, which is characterized in that epoxy resin composite In preparation process, after methyl hexahydrophthalic anhydride, 2,4,6- tri- (dimethylamino methyl) phenol are added, it is warming up to 150-160 DEG C of stirring 10-20min。
6. according to any one of the claim 3-5 high-adhesion waterborne epoxy coatings, which is characterized in that epoxy resin is compound In the preparation process of object, polyphosphoric acids, polyether polyol, bisphenol A type epoxy resin, methyl hexahydrophthalic anhydride, 2,4,6- tri- (diformazans Amino methyl) phenol weight ratio be 20-40：4-15：100-149：0.2-0.8：1-2.
7. according to any one of the claim 1-6 high-adhesion waterborne epoxy coatings, which is characterized in that second component is by weight Part include：40-60 parts of water, 2-8 parts of trimethylhexamethylenediamine.
CN201810293496.4A 2018-03-30 2018-03-30 A kind of high-adhesion waterborne epoxy coatings Withdrawn CN108531051A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810293496.4A CN108531051A (en) 2018-03-30 2018-03-30 A kind of high-adhesion waterborne epoxy coatings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810293496.4A CN108531051A (en) 2018-03-30 2018-03-30 A kind of high-adhesion waterborne epoxy coatings

Publications (1)

Publication Number Publication Date
CN108531051A true CN108531051A (en) 2018-09-14

Family

ID=63481696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810293496.4A Withdrawn CN108531051A (en) 2018-03-30 2018-03-30 A kind of high-adhesion waterborne epoxy coatings

Country Status (1)

Country Link
CN (1) CN108531051A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102086262A (en) * 2010-11-10 2011-06-08 张家港卡邦新材料有限公司 Epoxy resin flexibilizer as well as preparation method and application thereof
CN106010101A (en) * 2016-06-20 2016-10-12 安徽开林新材料股份有限公司 Environment-friendly and waterproof water-borne epoxy coating
CN106189827A (en) * 2016-08-26 2016-12-07 安徽建邦建材有限公司 A kind of wear-resisting epoxy coating of insulated wall

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102086262A (en) * 2010-11-10 2011-06-08 张家港卡邦新材料有限公司 Epoxy resin flexibilizer as well as preparation method and application thereof
CN106010101A (en) * 2016-06-20 2016-10-12 安徽开林新材料股份有限公司 Environment-friendly and waterproof water-borne epoxy coating
CN106189827A (en) * 2016-08-26 2016-12-07 安徽建邦建材有限公司 A kind of wear-resisting epoxy coating of insulated wall

Similar Documents

Publication Publication Date Title
CN102417775B (en) Silicasol-acrylate emulsion compound primer
CN104004320B (en) A kind of flame-resistant high-temperature-resistant composition epoxy resin and preparation method that can be used for pultrusion
CN108047887A (en) A kind of Heat Resistant Powder Coatings
CN107083133A (en) A kind of anticorrosive paint and preparation method thereof
CN103483993A (en) Low-temperature curing powder paint
CN106280285B (en) A kind of flame retardant type glass flake plasticine
CN108531051A (en) A kind of high-adhesion waterborne epoxy coatings
CN106118284A (en) Water nano composite coating and preparation method thereof
CN103342939A (en) Water-soluble epoxy ester antirust paint
CN109207018A (en) A kind of high-performance refractory powdery paints
CN105838234A (en) Polyurethane woodenware paint, and preparation method and application thereof
CN108531037A (en) A kind of environment-friendly waterproof epoxy coating preparation method
CN106752497A (en) A kind of indoor decorative paint
CN103131303A (en) Powder coating with fungacetin
CN108659677A (en) A kind of decoration underwater paint and preparation method thereof
CN104710954A (en) Nail-free all-purpose adhesive and preparation method thereof
CN109135555A (en) A kind of composite nano fiber enhancing composite powder coatings and preparation method thereof
CN102942838A (en) Low-odor unsaturated polyester primer and preparation method thereof
CN104263054A (en) Preparing method of environment-friendly putty powder
CN109504253A (en) A kind of alcohol acids water-borne wood coating of high adhesion force
CN111073453A (en) Water-based metal coating for heavy-duty anticorrosion mechanical equipment and preparation method thereof
CN108587413A (en) A kind of exterior wall waterborne epoxy coatings
CN104194515A (en) Water-in-water type colorful interior wall coating
CN101348684A (en) Preparation of polyester type powder paint
CN104098863A (en) High quality water-based automotive chassis glue and making 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
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180914