CN106590107A - Water-borne high wear resistant fluorocarbon paint used for lintel refurbishment and production technology thereof - Google Patents
Water-borne high wear resistant fluorocarbon paint used for lintel refurbishment and production technology thereof Download PDFInfo
- Publication number
- CN106590107A CN106590107A CN201611216190.6A CN201611216190A CN106590107A CN 106590107 A CN106590107 A CN 106590107A CN 201611216190 A CN201611216190 A CN 201611216190A CN 106590107 A CN106590107 A CN 106590107A
- Authority
- CN
- China
- Prior art keywords
- parts
- resin
- agent
- pigment
- lintel
- 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.)
- Granted
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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- 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
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a water-borne high wear resistant fluorocarbon paint used for lintel refurbishment. The water-borne high wear resistant fluorocarbon paint used for the lintel refurbishment is prepared from, by weight, 45-52 parts of fluorocarbon resin, 18-26 parts of methacrylate, 15-22 parts of thermoplastic acrylic resin, 14-19 parts of crosslinking resin, 9-16 parts of ethylene glycol monobutyl ether, 14-16 parts of pigment, 5-9 parts of coalescing agent, 7-10 parts of nanometer hydrophobing agent, 2-5 parts of pH modifier, 4-7 parts of thickening agent, 3-8 parts of dispersing agent, 6-8 parts of antifoaming agent, 4-6 parts of siloxane crosslinking agent and 5-10 parts of surface active agent. The fluorocarbon paint is subjected to a crosslinking and curing reaction with crosslinking resin through fluorocarbon resin, methacrylate and thermoplastic acrylic resin, and by utilizing the characteristic of the fluorocarbon paint that fluorine-containing sidechain can focus on the surface of a paint film after the film is formed, the action of fluorin atoms is exerted to the greatest extent, the surface performance of the polymer is effectively changed, and thus the roles in wear resistance and the like is played.
Description
Technical field
The present invention relates to F-C paint preparation field, and in particular to a kind of lintel renovation aqueouss high abrasion F-C paint and its life
Production. art.
Background technology
Among various coating, fluorine resin coating is big due to the fluorine element electronegativity for introducing, and carbon-fluorine bond can be strong, with special
Superior properties.Weatherability, thermostability, lower temperature resistance, chemical proofing, and with unique non-stick and low rub
Wiping property.Through the fast development of decades, fluoro coatings are in building, chemical industry, electric appliance and electronic industry, mechanical industry, aviation boat
Its industry, the every field of household supplies are used widely.Become after acrylic coating, polyurethane coating, organosilicon coating
After contour performance coating, combination property highest coating brand.At present many F-C paints resist wear-resisting, water-alkali resistance ageing-resistant
Property it is bad, mildew resistant moistureproof power is poor, and coating surface tension force is high, distribute escaping gas, inadequate safety and environmental protection, it is impossible to solve or can not
It is fully solved these problems, particularly lintel refurbishment process impurity and is difficult to removal problem.
The content of the invention
The present invention is intended to provide a kind of lintel renovation aqueouss high abrasion F-C paint and its production technology.
The present invention provides following technical scheme：
A kind of lintel renovation aqueouss high abrasion F-C paint, is made up of the raw material of following parts by weight：Fluorocarbon resin 45-52
Part, methacrylate 18-26 part, thermoplasticity acrylic resin 15-22 parts, crosslinkable resin 14-19 parts, butyl glycol ether 9-
16 parts, pigment 14-16 parts, coalescents 5-9 parts, nano-sized hydrophobic agent 7-10 parts, pH adjusting agent 2-5 part, thickening agent 4-7 parts, point
Powder 3-8 parts, defoamer 6-8 parts, siloxane crosslinker 4-6 parts, surfactant 5-10 parts.
A kind of lintel renovation production technology of aqueouss high abrasion F-C paint, comprises the following steps：
(1) by fluorocarbon resin, methacrylate, thermoplasticity acrylic resin mixing and stirring in without water container
Afterwards, crosslinkable resin is added in system, is stirred under 200-400r/min rotating speeds；
(2) coalescents, nano-sized hydrophobic agent, pH adjusting agent are added in the mixture obtained by above-mentioned steps, in 600-
Under 800r/min rotating speeds, temperature control temperature 60-80 DEG C is controlled, stir 4-6h；
(3) butyl glycol ether, pigment are added in the mixture obtained to above-mentioned steps, rotating speed 1200-1500r/min is adjusted
Stirring 3-4h, until fully polymerization, obtains fluoropolymer resin；
(4) thickening agent, dispersant, defoamer, siloxane crosslinker are added in fluoropolymer resin, in 800-900r/min
Stir under rotating speed, then surfactant is added in system, be stirred until homogeneous emulsion form, adjust rotating speed 1000-1600r/
Min is stirred to fineness and is less than 100um.
The defoamer is organosiloxane or polyethers or amide, selected from polydimethylsiloxane, tributyl phosphate, polyoxy
Ethylene polyoxypropylene tetramethylolmethane ether, Polyethylene oxide polyoxy propanol amidogen ether, polypropylene glycerol aether or polyacrylamide.
The pigment is inorganic or organic pigment；Inorganic pigment is selected from titanium dioxide, aluminum argentum powder, ferrum oxide, molybdate red or lead
One or more in chrome yellow；One or more of organic pigment in white carbon black, AZOpigments, benzimidazolone pigment.
Compared with prior art, the invention has the beneficial effects as follows：Obtained F-C paint of the invention passes through fluorocarbon resin, methyl
Acrylate, thermoplasticity acrylic resin and crosslinkable resin crosslink curing reaction, using fluorine-containing side chain energy after its film forming
The characteristics of concentrating on film coated surface, plays to greatest extent the effect of fluorine atom, effectively changes the surface property of copolymer, so as to
Play anti-wear-resisting grade to act on, while the adhesive force and stain resistance of the F-C paint can be effectively improved, the F-C paint construction technology
Simply, it is not necessary to through thermal chemical reaction solidification, according to spontaneous curing after practical situation at the construction field (site) direct spraying and can be
Can.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
A kind of lintel of embodiment 1 renovation aqueouss high abrasion F-C paint, is made up of the raw material of following parts by weight：Fluorine carbon tree
45 parts of fat, 18 parts of methacrylate, 15 parts of thermoplasticity acrylic resin, 14 parts of crosslinkable resin, 9 parts of butyl glycol ether, face
14 parts of material, 5 parts of coalescents, 7 parts of nano-sized hydrophobic agent, 2 parts of pH adjusting agent, 4 parts of thickening agent, 3 parts of dispersant, 6 parts of defoamer, silicon
4 parts of oxygen alkane cross-linking agent, 5 parts of surfactant.
A kind of lintel renovation production technology of aqueouss high abrasion F-C paint, comprises the following steps：
(1) by fluorocarbon resin, methacrylate, thermoplasticity acrylic resin mixing and stirring in without water container
Afterwards, crosslinkable resin is added in system, is stirred under 200-400r/min rotating speeds；
(2) coalescents, nano-sized hydrophobic agent, pH adjusting agent are added in the mixture obtained by above-mentioned steps, in 600-
Under 800r/min rotating speeds, temperature control temperature 60-80 DEG C is controlled, stir 4-6h；
(3) butyl glycol ether, pigment are added in the mixture obtained to above-mentioned steps, rotating speed 1200-1500r/min is adjusted
Stirring 3-4h, until fully polymerization, obtains fluoropolymer resin；
(4) thickening agent, dispersant, defoamer, siloxane crosslinker are added in fluoropolymer resin, in 800-900r/min
Stir under rotating speed, then surfactant is added in system, be stirred until homogeneous emulsion form, adjust rotating speed 1000-1600r/
Min is stirred to fineness and is less than 100um.
The defoamer is organosiloxane or polyethers or amide, selected from polydimethylsiloxane, tributyl phosphate, polyoxy
Ethylene polyoxypropylene tetramethylolmethane ether, Polyethylene oxide polyoxy propanol amidogen ether, polypropylene glycerol aether or polyacrylamide.
The pigment is inorganic or organic pigment；Inorganic pigment is selected from titanium dioxide, aluminum argentum powder, ferrum oxide, molybdate red or lead
One or more in chrome yellow；One or more of organic pigment in white carbon black, AZOpigments, benzimidazolone pigment.
A kind of lintel of embodiment 2 renovation aqueouss high abrasion F-C paint, is made up of the raw material of following parts by weight：Fluorine carbon tree
52 parts of fat, 26 parts of methacrylate, 22 parts of thermoplasticity acrylic resin, 19 parts of crosslinkable resin, 16 parts of butyl glycol ether, face
Material 16 parts, 9 parts of coalescents, 10 parts of nano-sized hydrophobic agent, 5 parts of pH adjusting agent, 7 parts of thickening agent, 8 parts of dispersant, 8 parts of defoamer,
6 parts of siloxane crosslinker, 10 parts of surfactant.
A kind of lintel renovation production technology of aqueouss high abrasion F-C paint, comprises the following steps：
(1) by fluorocarbon resin, methacrylate, thermoplasticity acrylic resin mixing and stirring in without water container
Afterwards, crosslinkable resin is added in system, is stirred under 200-400r/min rotating speeds；
(2) coalescents, nano-sized hydrophobic agent, pH adjusting agent are added in the mixture obtained by above-mentioned steps, in 600-
Under 800r/min rotating speeds, temperature control temperature 60-80 DEG C is controlled, stir 4-6h；
(3) butyl glycol ether, pigment are added in the mixture obtained to above-mentioned steps, rotating speed 1200-1500r/min is adjusted
Stirring 3-4h, until fully polymerization, obtains fluoropolymer resin；
(4) thickening agent, dispersant, defoamer, siloxane crosslinker are added in fluoropolymer resin, in 800-900r/min
Stir under rotating speed, then surfactant is added in system, be stirred until homogeneous emulsion form, adjust rotating speed 1000-1600r/
Min is stirred to fineness and is less than 100um.
The defoamer is organosiloxane or polyethers or amide, selected from polydimethylsiloxane, tributyl phosphate, polyoxy
Ethylene polyoxypropylene tetramethylolmethane ether, Polyethylene oxide polyoxy propanol amidogen ether, polypropylene glycerol aether or polyacrylamide.
The pigment is inorganic or organic pigment；Inorganic pigment is selected from titanium dioxide, aluminum argentum powder, ferrum oxide, molybdate red or lead
One or more in chrome yellow；One or more of organic pigment in white carbon black, AZOpigments, benzimidazolone pigment.
A kind of lintel of embodiment 3 renovation aqueouss high abrasion F-C paint, is made up of the raw material of following parts by weight：Fluorine carbon tree
48 parts of fat, 22 parts of methacrylate, 19 parts of thermoplasticity acrylic resin, 16 parts of crosslinkable resin, 12 parts of butyl glycol ether, face
15 parts of material, 7 parts of coalescents, 9 parts of nano-sized hydrophobic agent, 4 parts of pH adjusting agent, 6 parts of thickening agent, 5 parts of dispersant, 7 parts of defoamer, silicon
5 parts of oxygen alkane cross-linking agent, 8 parts of surfactant.
A kind of lintel renovation production technology of aqueouss high abrasion F-C paint, comprises the following steps：
(1) by fluorocarbon resin, methacrylate, thermoplasticity acrylic resin mixing and stirring in without water container
Afterwards, crosslinkable resin is added in system, is stirred under 200-400r/min rotating speeds；
(2) coalescents, nano-sized hydrophobic agent, pH adjusting agent are added in the mixture obtained by above-mentioned steps, in 600-
Under 800r/min rotating speeds, temperature control temperature 60-80 DEG C is controlled, stir 4-6h；
(3) butyl glycol ether, pigment are added in the mixture obtained to above-mentioned steps, rotating speed 1200-1500r/min is adjusted
Stirring 3-4h, until fully polymerization, obtains fluoropolymer resin；
(4) thickening agent, dispersant, defoamer, siloxane crosslinker are added in fluoropolymer resin, in 800-900r/min
Stir under rotating speed, then surfactant is added in system, be stirred until homogeneous emulsion form, adjust rotating speed 1000-1600r/
Min is stirred to fineness and is less than 100um.
The defoamer is organosiloxane or polyethers or amide, selected from polydimethylsiloxane, tributyl phosphate, polyoxy
Ethylene polyoxypropylene tetramethylolmethane ether, Polyethylene oxide polyoxy propanol amidogen ether, polypropylene glycerol aether or polyacrylamide.
The pigment is inorganic or organic pigment；Inorganic pigment is selected from titanium dioxide, aluminum argentum powder, ferrum oxide, molybdate red or lead
One or more in chrome yellow；One or more of organic pigment in white carbon black, AZOpigments, benzimidazolone pigment.
It is obvious to a person skilled in the art that the invention is not restricted to the details of the one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than the explanation is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each
Embodiment only includes an independent technical scheme, and this narrating mode of description is only this area for clarity
Technical staff should using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form this
Art personnel may be appreciated other embodiment.
Claims (4)
1. a kind of lintel is renovated and uses aqueouss high abrasion F-C paint, it is characterised in that be made up of the raw material of following parts by weight：Fluorine carbon
Resin 45-52 parts, methacrylate 18-26 part, thermoplasticity acrylic resin 15-22 parts, crosslinkable resin 14-19 parts, second
Glycol butyl ether 9-16 parts, pigment 14-16 parts, coalescents 5-9 parts, nano-sized hydrophobic agent 7-10 parts, pH adjusting agent 2-5 part, thickening
Agent 4-7 parts, dispersant 3-8 parts, defoamer 6-8 parts, siloxane crosslinker 4-6 parts, surfactant 5-10 parts.
2. a kind of lintel as claimed in claim 1 is renovated with the production technology of aqueouss high abrasion F-C paint, it is characterised in that bag
Include following steps：
(1) after in without water container by fluorocarbon resin, methacrylate, thermoplasticity acrylic resin mixing and stirring, to
Crosslinkable resin is added in system, is stirred under 200-400r/min rotating speeds；
(2) coalescents, nano-sized hydrophobic agent, pH adjusting agent are added in the mixture obtained by above-mentioned steps, in 600-800r/
Under min rotating speeds, temperature control temperature 60-80 DEG C is controlled, stir 4-6h；
(3) butyl glycol ether, pigment, the 1200-1500r/min stirrings of adjustment rotating speed are added in the mixture obtained to above-mentioned steps
3-4h, until fully polymerization, obtains fluoropolymer resin；
(4) thickening agent, dispersant, defoamer, siloxane crosslinker are added in fluoropolymer resin, in 800-900r/min rotating speeds
Under stir, then add surfactant in system, be stirred until homogeneous emulsion form, adjustment rotating speed 1000-1600r/min is stirred
Mix to fineness and be less than 100um.
3. a kind of lintel renovation according to claim 1 and 2 uses the production technology of aqueouss high abrasion F-C paint, its feature to exist
In the defoamer is organosiloxane or polyethers or amide, selected from polydimethylsiloxane, tributyl phosphate, Polyethylene oxide
Polyoxypropylene tetramethylolmethane ether, Polyethylene oxide polyoxy propanol amidogen ether, polypropylene glycerol aether or polyacrylamide.
4. a kind of lintel renovation according to claim 1 and 2 uses the production technology of aqueouss high abrasion F-C paint, its feature to exist
In the pigment is inorganic or organic pigment；Inorganic pigment is in titanium dioxide, aluminum argentum powder, ferrum oxide, molybdate red or lead chromate yellow
One or more；One or more of organic pigment in white carbon black, AZOpigments, benzimidazolone pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216190.6A CN106590107B (en) | 2016-12-26 | 2016-12-26 | A kind of lintel renovation aqueous high abrasion F-C paint and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611216190.6A CN106590107B (en) | 2016-12-26 | 2016-12-26 | A kind of lintel renovation aqueous high abrasion F-C paint and its production technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106590107A true CN106590107A (en) | 2017-04-26 |
| CN106590107B CN106590107B (en) | 2019-04-12 |
Family
ID=58603819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611216190.6A Active CN106590107B (en) | 2016-12-26 | 2016-12-26 | A kind of lintel renovation aqueous high abrasion F-C paint and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106590107B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113214709A (en) * | 2021-04-21 | 2021-08-06 | 安徽博泰氟材料科技有限公司 | Water-based fluorocarbon paint for preparing paint film |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977699A (en) * | 2012-11-30 | 2013-03-20 | 无锡市虎皇漆业有限公司 | Super-weather-resistant fluorocarbon self-cleaning coating and preparation method thereof |
| CN102977698A (en) * | 2012-11-30 | 2013-03-20 | 无锡市虎皇漆业有限公司 | Normal-temperature fluorocarbon paint and preparation method thereof |
-
2016
- 2016-12-26 CN CN201611216190.6A patent/CN106590107B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102977699A (en) * | 2012-11-30 | 2013-03-20 | 无锡市虎皇漆业有限公司 | Super-weather-resistant fluorocarbon self-cleaning coating and preparation method thereof |
| CN102977698A (en) * | 2012-11-30 | 2013-03-20 | 无锡市虎皇漆业有限公司 | Normal-temperature fluorocarbon paint and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113214709A (en) * | 2021-04-21 | 2021-08-06 | 安徽博泰氟材料科技有限公司 | Water-based fluorocarbon paint for preparing paint film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106590107B (en) | 2019-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106661180B (en) | Stable aqueous fluoropolymer coating compositions | |
| CN102408220B (en) | All-in-one water-borne inorganic-organic hybrid architectural coating and preparation method thereof | |
| CN102911568A (en) | Aqueous fluorine carbon coating material and preparation technology thereof | |
| CN105368238B (en) | A kind of extra high voltage network anti-icing paint and preparation method thereof | |
| CN110157289A (en) | Watersoluble plumbago alkene anticorrosive paint | |
| CN105623493B (en) | A kind of dual cure unsaturated polyester (UP) white primer | |
| TW201936501A (en) | Aqueous hydrophobic silica dispersions | |
| CN104250497A (en) | Nano thermal insulation exterior wall paint and preparation method thereof | |
| KR101789887B1 (en) | a synthetic leather using silicone rubber | |
| CN106633158A (en) | Preparation method of superhydrophobic coating with favorable binding force with polyolefins | |
| CN104403488A (en) | Flame-retardant corrosion-resisting modified poly(ether-ether-ketone) coating | |
| CN106634264A (en) | Graphene-reinforced superhydrophobic finish-coat paint and preparation method thereof | |
| CN104946058A (en) | Energy-saving type building outer wall coating | |
| US8901204B1 (en) | Cross-linked ethylene propylene diene terpolymer latex blend for improved coatings | |
| EP2781495A2 (en) | Building board and method for producing building board | |
| CN106590107A (en) | Water-borne high wear resistant fluorocarbon paint used for lintel refurbishment and production technology thereof | |
| CN100393826C (en) | Water fluorine carbon emulsion paint and preparation process thereof | |
| CN106752606B (en) | A kind of aqueous fluorine silica acrylic acid coating and preparation method thereof | |
| CN106349830A (en) | Modified waterborne fluorine coating and preparation method thereof | |
| CN106220239B (en) | A kind of preparation method of the silane emulsion concrete waterproofer of high hydrophobicity | |
| CN103897514B (en) | A kind of Kapton fluorine-containing coat emulsion | |
| CN108822667A (en) | A kind of decorative engineering water-repellent paint and preparation method thereof | |
| CN108912886A (en) | A kind of aqueous UV anticorrosive paint and preparation method thereof | |
| JP2006043679A (en) | Coating finishing method of decorative surface and decorative laminate | |
| CN107955476A (en) | A kind of water-and acrylate colour pliability water-proof heat-insulating paint 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211231 Address after: 230000 room 322, Zhangji Township People's government, Feidong County, Hefei City, Anhui Province Patentee after: Anhui ruicai Construction Engineering Co.,Ltd. Address before: 246100 No. 31, Yangtang group, Jiliu village, Chaling Town, Huaining County, Anqing City, Anhui Province Patentee before: HUAINING SANHE CLEANING SERVICE CO.,LTD. |
|
| TR01 | Transfer of patent right |