CN114102898A - VCI powder zinc-rich coating for steel structure surface protection and preparation process thereof - Google Patents
VCI powder zinc-rich coating for steel structure surface protection and preparation process thereof Download PDFInfo
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- CN114102898A CN114102898A CN202111430238.4A CN202111430238A CN114102898A CN 114102898 A CN114102898 A CN 114102898A CN 202111430238 A CN202111430238 A CN 202111430238A CN 114102898 A CN114102898 A CN 114102898A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
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- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2504/00—Epoxy polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2508/00—Polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
- B05D2601/28—Metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2602/00—Organic fillers
Abstract
The invention relates to the technical field of coating preparation, in particular to a VCI powder zinc-rich coating for steel structure surface protection and a preparation process thereof, which comprises the steps of adding raw materials into a mixer for crushing and mixing to obtain a mixture, adding the mixture into an extruder for heating until the mixture is molten, and then extruding the molten mixture to obtain a hot melt; pressing the hot melt into a ribbon by a tablet press, and crushing the ribbon into a sheet; adding the sheet-shaped material into a grinder to grind, so as to obtain a first finished product and large granular materials, wherein the large granular materials have larger diameters than the first finished product; screening the first finished product and large-particle substances; grinding the large-particle substances to obtain a second finished product; the first finished product and the second finished product are stored, and the problem that the flatness of the surface of a steel structure is influenced when the coating is used due to insufficient grinding of the coating is solved.
Description
Technical Field
The invention relates to the technical field of paint preparation, in particular to a VCI powder zinc-rich paint for steel structure surface protection and a preparation process thereof.
Background
The VCI powder zinc-rich coating is coated on the surface of the steel structure, so that the corrosion of water and corrosive media to the surface of the steel structure can be avoided, and the service life of the steel structure can be prolonged;
at present, the existing VCI powder zinc-rich coating is prepared by mixing, melting, pressing and grinding to obtain a finished product;
but in the grinding process, finished product coating and the not complete grinding's large granule coating mix together for the large granule can not obtain sufficient grinding, and when the coating was used, large granule coating can influence the roughness of steel construction surface.
Disclosure of Invention
The invention aims to provide a VCI powder zinc-rich coating for protecting the surface of a steel structure and a preparation process thereof, and aims to solve the problem that the coating is not sufficiently ground, so that the flatness of the surface of the steel structure is influenced when the coating is used.
In order to achieve the above object, in a first aspect, the present invention provides a preparation process of a VCI powder zinc-rich coating for steel structure surface protection, comprising the following steps:
adding the raw materials into a mixer for crushing and mixing to obtain a mixture;
adding the mixture into an extruder, heating until the mixture is molten, and then extruding the molten mixture to obtain a hot melt;
pressing the hot melt into a ribbon by a tablet press and breaking the ribbon into pieces;
adding the sheet-shaped material into a grinder to grind, so as to obtain a first finished product and large granular materials, wherein the large granular materials have larger diameters than the first finished product;
sieving the first finished product and the large particulate matter;
grinding the large particle substances to obtain a second finished product;
storing the first finished product and the second finished product.
Wherein the first finished product and the second finished product have the same particle size.
Adding the sheet-shaped object into a grinding machine for grinding to obtain a first finished product and large-particle substances, wherein the specific mode that the diameter of the large-particle substances is larger than that of the first finished product is as follows:
adding the flakes to a sieve plate;
driving a grinding end of a grinding assembly to be close to the sieve plate, and grinding the sheet-shaped objects on the sieve plate to obtain a first finished product and large granular substances, wherein the diameter of the large granular substances is larger than that of the first finished product;
driving the grinding end of the grinding assembly away from the screen deck.
The specific mode for screening the first finished product and the large-particle substances is as follows:
drive vibration subassembly drives the sieve vibration will first finished product sieve to bin in, large granule material remains on the sieve, the drive vibration subassembly stops.
The specific mode of grinding the large-particle substances to obtain a second finished product is as follows:
and driving the grinding end of the grinding assembly to be close to the sieve plate, and grinding the large-particle substances remained on the sieve plate to obtain a second finished product.
Wherein the specific manner of storing the first and second finished products is:
driving the vibration assembly to drive the sieve plate to vibrate, and sieving the second finished product into the storage box;
and taking the first finished product and the second finished product out of the storage box for storage.
In a second aspect, the invention provides a VCI powder zinc-rich coating for protecting the surface of a steel structure, which comprises raw materials of a base material, a filler, a VCI vapor phase corrosion inhibitor and an auxiliary agent;
the base material comprises epoxy powder resin and polyester powder resin; the filler comprises flaky zinc powder, aluminum tripolyphosphate and zinc phosphate; the auxiliary agent comprises a leveling agent, a conductive agent and a degassing agent.
The invention relates to a preparation process of VCI powder zinc-rich coating for steel structure surface protection, which comprises the steps of adding raw materials into a mixer for crushing and mixing to obtain a mixture; adding the mixture into an extruder, heating until the mixture is molten, and then extruding the molten mixture to obtain a hot melt; pressing the hot melt into a ribbon by a tablet press and breaking the ribbon into pieces; adding the sheet-shaped material into a grinder to grind, so as to obtain a first finished product and large granular materials, wherein the large granular materials have larger diameters than the first finished product; sieving the first finished product and the large particulate matter; grinding the large particle substances to obtain a second finished product; the first finished product and the second finished product are stored, and the problem that the flatness of the surface of a steel structure is influenced when the coating is used due to insufficient grinding of the coating is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a preparation process of a VCI powder zinc-rich coating for protecting the surface of a steel structure provided by the invention.
Figure 2 is a flow diagram of the process of adding the flakes to a grinder for grinding to produce a first finished product and a large particulate material having a larger diameter than the first finished product.
Fig. 3 is a schematic view of the structure of the grinder.
Fig. 4 is a top view of the grinding mill.
Fig. 5 is a cross-sectional view taken along plane a-a of fig. 4.
1-grinding machine, 2-shell, 3-grinding component, 4-connecting component, 5-sieve plate, 6-vibrating component, 7-storage box, 8-feeding hole, 9-discharging hole, 10-mounting groove, 11-slide block, 12-connecting spring, 13-box door and 14-handle.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, the present invention provides a preparation process of VCI powder zinc-rich paint for steel structure surface protection, including the following steps:
s1, adding the raw materials into a mixer for crushing and mixing to obtain a mixture;
the raw materials comprise a base material, a filler, a VCI vapor phase corrosion inhibitor and an auxiliary agent; the base material comprises epoxy powder resin and polyester powder resin; the filler comprises flaky zinc powder, aluminum tripolyphosphate and zinc phosphate; the auxiliary agent comprises a leveling agent, a conductive agent and a degassing agent.
S2, adding the mixture into an extruder, heating until the mixture is molten, and then extruding the molten mixture to obtain a hot melt;
the extrusion temperature of the extruder is as follows: the front temperature is 80-100 ℃, and the rear temperature is 110-130 ℃.
S3, pressing the hot melt into a ribbon through a tablet press, and crushing the ribbon into tablets;
the diameter of the flaps needs to be smaller than the diameter of the screening deck 5.
S4, adding the sheet-shaped material into a grinder 1 for grinding to obtain a first finished product and large granular materials, wherein the large granular materials are larger in diameter than the first finished product;
the concrete mode is as follows: s41, adding the flakes onto the sieve plate 5;
s42, driving the grinding end of the grinding assembly 3 to be close to the sieve plate 5, and grinding the sheet-shaped objects on the sieve plate 5 to obtain a first finished product and large granular substances, wherein the diameter of the large granular substances is larger than that of the first finished product;
s43, driving the grinding end of the grinding assembly 3 away from the screen deck 5.
S5, screening the first finished product and the large-particle substances;
S6, grinding the large-particle substances to obtain a second finished product;
and driving the grinding end of the grinding assembly 3 to be close to the sieve plate 5, and grinding the large granular substances remained on the sieve plate 5 to obtain a second finished product.
S7, storing the first finished product and the second finished product.
The driving vibration assembly 6 drives the sieve plate 5 to vibrate, and the second finished product is sieved into the storage box 7;
and taking the first finished product and the second finished product out of the storage box 7 for storage.
Further, the grinding machine 1 comprises a shell 2, a grinding assembly 3, a plurality of connecting assemblies 4, a sieve plate 5, a vibrating assembly 6 and a storage box 7, wherein the grinding assembly 3 is arranged on one side of the shell 2, the shell 2 is provided with a feeding hole 8 and a discharging hole 9, the storage box 7 is detachably connected with the shell 2 and is positioned at the discharging hole 9, the shell 2 is further provided with a plurality of mounting grooves 10, the connecting assemblies 4 are arranged in the mounting grooves 10, the sieve plate 5 is fixedly connected with the connecting assemblies 4 and is positioned on one side far away from the mounting grooves 10, and the vibrating assembly 6 is fixedly connected with the sieve plate 5 and is positioned on one side close to the storage box 7;
coupling assembling 4 includes two sliders 11 and coupling spring 12, two slider 11 respectively with 2 sliding connection of shell, all are located mounting groove 10 inside walls, sieve 5 and two 11 fixed connection of slider, and be located two between the slider 11, one side of coupling spring 12 with 5 fixed connection of sieve, coupling spring 12's opposite side with 2 fixed connection of shell, and be located in mounting groove 10.
In this embodiment, the sheet-like objects are put on the sieve plate 5, the grinding end of the grinding component 3 is close to the sieve plate 5, the sheet-like objects on the sieve plate 5 are ground to form the first finished product and the large granular substances, the grinding end of the grinding component 3 is far away from the sieve plate 5, the vibrating component 6 drives the sieve plate 5 to vibrate on the housing 2 through the connecting spring 12, the first finished product on the sieve plate 5 is sieved into the storage box 7 for storage, when the sieve plate 5 vibrates, the slide block 11 drives the sieve plate 5 to slide on the inner side wall of the mounting groove 10, so that the sieve plate 5 only shakes on the same horizontal plane in the housing 2 to sieve the first finished product, the sieve plate 5 is prevented from shaking up and down, and the first finished product and the large granular substances are ejected from the sieve plate 5, the screening effect on the first finished product and the large-particle substances is influenced, when the first finished product falls into the storage box 7, the grinding end of the grinding assembly 3 is close to the sieve plate 5 again, and the large-particle substances on the sieve plate 5 are ground until the large-particle substances are ground into the second finished product with the same particle size as the first finished product.
Further, the grinding mill 1 further comprises a box door 13 and a handle 14, wherein the box door 13 is rotatably connected with the shell 2 and is located at the feed port 8, and the handle 14 is fixedly connected with the box door 13 and is located on one side far away from the shell 2.
In this embodiment, when the grinding unit 3 and the vibrating unit 6 are operated, the feed opening 8 of the housing 2 is closed by rotating the door 13, so that the first product is prevented from overflowing the feed opening 8 during the screening, and the door 13 can be opened from the feed opening 8 by applying a force to the handle 14.
In a second aspect, the invention provides a VCI powder zinc-rich coating for protecting the surface of a steel structure, which comprises raw materials of a base material, a filler, a VCI vapor phase corrosion inhibitor and an auxiliary agent;
the base material comprises epoxy powder resin and polyester powder resin; the filler comprises flaky zinc powder, aluminum tripolyphosphate and zinc phosphate; the auxiliary agent comprises a leveling agent, a conductive agent and a degassing agent.
The base material comprises the following components in parts by weight: 20-50 parts of the epoxy powder resin and 20-50 parts of the polyester powder resin; the filler comprises the following components in parts by weight: 30-60 parts of the flaky zinc powder, 5-10 parts of aluminum tripolyphosphate and 5-10 parts of zinc phosphate; the mass ratio of the auxiliary agent is 25-50: 35-60: 5-20, wherein the leveling agent is one or more of ethyl polyacrylate, butyl acetate, dimethyl polysiloxane and polyvinyl butyral, the conductive agent is graphite or amorphous carbon black, and the degassing agent is one or two of benzoin and bisamide wax; the mass ratio of the base material to the filler is 3:1-3: 7; the mass of the VCI vapor phase corrosion inhibitor is 5-10% of the total mass of the base material and the filler; the mass of the auxiliary agent is 2-10% of the total mass of the base material and the filler
While the present invention has been described with reference to the preferred embodiments and process for preparing the VCI powder zinc-rich coating for steel structure surface protection, it is understood that the scope of the present invention is not limited thereto, and those skilled in the art can understand that all or part of the procedures for implementing the embodiments are within the scope of the present invention.
Claims (7)
1. A preparation process of VCI powder zinc-rich paint for steel structure surface protection is characterized by comprising the following steps:
adding the raw materials into a mixer for crushing and mixing to obtain a mixture;
adding the mixture into an extruder, heating until the mixture is molten, and then extruding the molten mixture to obtain a hot melt;
pressing the hot melt into a ribbon by a tablet press and breaking the ribbon into pieces;
adding the sheet-shaped material into a grinder to grind, so as to obtain a first finished product and large granular materials, wherein the large granular materials have larger diameters than the first finished product;
sieving the first finished product and the large particulate matter;
grinding the large particle substances to obtain a second finished product;
storing the first finished product and the second finished product.
2. The preparation process of VCI powder zinc-rich paint for protecting the surface of a steel structure as claimed in claim 1,
the first finished product and the second finished product have the same grain size.
3. The preparation process of the VCI powder zinc-rich paint for protecting the surface of a steel structure, according to claim 1, is characterized in that the sheet-shaped objects are added into a grinding machine to be ground to obtain a first finished product and large granular substances, and the large granular substances are larger than the first finished product in diameter by the specific mode:
adding the flakes to a sieve plate;
driving a grinding end of a grinding assembly to be close to the sieve plate, and grinding the sheet-shaped objects on the sieve plate to obtain a first finished product and large granular substances, wherein the diameter of the large granular substances is larger than that of the first finished product;
driving the grinding end of the grinding assembly away from the screen deck.
4. The preparation process of the VCI powder zinc-rich coating for protecting the surface of the steel structure as claimed in claim 3, wherein the screening of the first finished product and the large particulate matters is carried out by the following specific method:
drive vibration subassembly drives the sieve vibration will first finished product sieve to bin in, large granule material remains on the sieve, the drive vibration subassembly stops.
5. The preparation process of the VCI powder zinc-rich coating for protecting the surface of the steel structure as claimed in claim 4, wherein the specific manner of grinding the large particulate matters to obtain the second finished product is as follows:
and driving the grinding end of the grinding assembly to be close to the sieve plate, and grinding the large-particle substances remained on the sieve plate to obtain a second finished product.
6. The preparation process of the VCI powder zinc-rich coating for protecting the surface of the steel structure as claimed in claim 5, wherein the first finished product and the second finished product are stored in a specific way that:
driving the vibration assembly to drive the sieve plate to vibrate, and sieving the second finished product into the storage box;
and taking the first finished product and the second finished product out of the storage box for storage.
7. A VCI powder zinc-rich coating for protecting the surface of a steel structure, which is prepared by applying the preparation process of the VCI powder zinc-rich coating for protecting the surface of the steel structure as claimed in any one of claims 1 to 6,
the raw materials comprise a base material, a filler, a VCI vapor phase corrosion inhibitor and an auxiliary agent;
the base material comprises epoxy powder resin and polyester powder resin; the filler comprises flaky zinc powder, aluminum tripolyphosphate and zinc phosphate; the auxiliary agent comprises a leveling agent, a conductive agent and a degassing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111430238.4A CN114102898A (en) | 2021-11-29 | 2021-11-29 | VCI powder zinc-rich coating for steel structure surface protection and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111430238.4A CN114102898A (en) | 2021-11-29 | 2021-11-29 | VCI powder zinc-rich coating for steel structure surface protection and preparation process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN114102898A true CN114102898A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111430238.4A Pending CN114102898A (en) | 2021-11-29 | 2021-11-29 | VCI powder zinc-rich coating for steel structure surface protection and preparation process thereof |
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| CN (1) | CN114102898A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6638589B1 (en) * | 1996-12-12 | 2003-10-28 | Uponor Innovation Ab | Method and apparatus for using recycled plastic material, and a plastic product made by an extruder |
| CN105542621A (en) * | 2016-01-15 | 2016-05-04 | 江苏中航百慕新材料技术有限公司 | VCI powder bimetallic coating for steel structure surface protection and preparation method thereof |
| CN105602415A (en) * | 2016-01-15 | 2016-05-25 | 江苏中航百慕新材料技术有限公司 | VCI powder zinc-rich paint for protecting surface of steel structure and preparation method thereof |
| CN210146178U (en) * | 2019-06-13 | 2020-03-17 | 卓松山 | Food additive grinding device |
-
2021
- 2021-11-29 CN CN202111430238.4A patent/CN114102898A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6638589B1 (en) * | 1996-12-12 | 2003-10-28 | Uponor Innovation Ab | Method and apparatus for using recycled plastic material, and a plastic product made by an extruder |
| CN105542621A (en) * | 2016-01-15 | 2016-05-04 | 江苏中航百慕新材料技术有限公司 | VCI powder bimetallic coating for steel structure surface protection and preparation method thereof |
| CN105602415A (en) * | 2016-01-15 | 2016-05-25 | 江苏中航百慕新材料技术有限公司 | VCI powder zinc-rich paint for protecting surface of steel structure and preparation method thereof |
| CN210146178U (en) * | 2019-06-13 | 2020-03-17 | 卓松山 | Food additive grinding device |
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