CN105951592A - Guardrail with surface sprayed with nylon powder coating and manufacturing method - Google Patents
Guardrail with surface sprayed with nylon powder coating and manufacturing method Download PDFInfo
- Publication number
- CN105951592A CN105951592A CN201610340773.3A CN201610340773A CN105951592A CN 105951592 A CN105951592 A CN 105951592A CN 201610340773 A CN201610340773 A CN 201610340773A CN 105951592 A CN105951592 A CN 105951592A
- Authority
- CN
- China
- Prior art keywords
- coating
- nylon powder
- guard rail
- nylon
- guardrail
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F11/181—Balustrades
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F11/00—Stairways, ramps, or like structures; Balustrades; Handrails
- E04F11/18—Balustrades; Handrails
- E04F2011/1885—Handrails or balusters characterized by the use of specific materials
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a guardrail with the surface sprayed with a nylon powder coating and belongs to the field of protection implementation. The surface of the guardrail is sequentially provided with a phosphorization layer, an aluminum-based sprayed layer and the nylon coating from the inner layer to the surface layer, wherein electrostatic nylon powder is adopted in the nylon coating. An aluminum film layer is formed on the sub-surface layer of the guardrail, a gap of a base material can be filled in, oxidation substances are prevented from entering the base material of the guardrail, and the service life of the coating is prolonged. The nylon coating is sprayed to the most surface layer of the guardrail, the rigid hardness of the surface of the guardrail can be improved, and therefore the scraping resisting performance of the guardrail can be improved. The abrasion resistance and the crush resistance of a nylon material are enhanced, and long-term maintenance of the surface of the guardrail is convenient. The invention further discloses a manufacturing method of the guardrail.
Description
Technical field
The present invention relates to a kind of guard rail, be especially guard rail and the preparation method of a kind of surface spraying nylon powder coating, belong to protection enforcement field.
Background technology
In traditional protective guard surface coating process, great majority are first to carry out zincincation, guard rail base material show formed cathodic protection；Also have plenty of and change the mode crossing zinc so that the innermost layer at base material forms the zinc layers of different-thickness, mainly by first corroding zinc layers, thus protects base material to reach preliminary antiseptical effect；Furthermore it is by the spray paint again of the surface in zinc layers, reaches further antiseptic effect.Development however as organic polymer, the outermost top layer of guard rail is generally polyester resin coating, wherein, the color of polyester resin coating is single, resistance to water is poor, and gluing toughness is the highest, such polyester coatings is very possible in the solidification process in guard rail later stage produces peeling because adhesive force is the highest；Secondly, the defect of polyester resin poor water resistance, make guard rail in use, long-term is exposed to the sun and rainwash, can cause the large-area peeling in polyester resin finish paint top layer, and it is totally unfavorable that long-term the safeguarding of guard rail is built by this, and the hardness of polyester resin finish paint is extreme difference, whenever running into car body or other scraping, can will there is impression on surface, this is the biggest denouncing for the attractive in appearance of guard rail.Therefore, form coating on the surface of guard rail, make the finish paint must be high to base material adhesive force, and have high surface hardness performance, and possess high antiseptic property and be always the technical barrier that this area is to be solved.
Summary of the invention
The technical problem to be solved is to overcome prior art defect, it is provided that a kind of coating adhesion and the guard rail of the higher surface spraying nylon powder coating of case hardness and preparation method.
In order to solve above-mentioned technical problem, the guard rail of the surface spraying nylon powder coating that the present invention provides, described protective guard surface is followed successively by phosphate coating, aluminum base sprayed coating, nylon coating from internal layer to top layer, and described nylon coating uses electrostatic nylon powder.
In the present invention, adding epoxy resin in described electrostatic nylon powder, described electrostatic nylon powder is 1:3 with the mass ratio of epoxy resin.
In the present invention, described electrostatic nylon powder granularity is at 50 ± 10um, and the thickness of spraying is at 200 ± 10um.
In the present invention, the thickness of described phosphate coating is at 10 ± 5um.
In the present invention, the thickness of described aluminum base sprayed coating is 200 ± 20 um.
Present invention also offers the preparation method of the guard rail of above-mentioned surface spraying nylon powder coating, comprise the following steps:
1), successively guard rail is carried out defat rust cleaning, blasting treatment；
2), by the guard rail after step 1) processes insert and Phosphating Solution carries out bonderizing, form phosphate coating；
3), through step 2) protective guard surface spraying aluminum membranous layer, the thickness of aluminum membranous layer is 200 ± 20um；
4), spray electrostatic nylon powder through step 3) protective guard surface, form nylon coating.
In the present invention, described Phosphating Solution is the mixed solution of zinc oxide and phosphoric acid, and described mixed solution zinc oxide and phosphoric acid molar concentration rate are 3:2.
In the present invention, adding epoxy resin in described electrostatic nylon powder, described electrostatic nylon powder is 1:3 with the mass ratio of epoxy resin.
Relative to prior art, the beneficial effects of the present invention is: (1), the present invention form aluminum membranous layer on the secondary top layer of guard rail, can fill up the space of base material, reduce oxidation material and enter in guard rail base material, improve the life-span of coating；Spray nylon coating on the top layer of guard rail, so that the rigidity hardness of protective guard surface increases, such that it is able to improve the scraping and wiping resistance performance of guard rail, and the wearability of nylon material and crushing resistance are also enhanced, it is simple to the long term maintenance of protective guard surface；(2), in electrostatic nylon powder, add epoxy resin, the hardness of nylon coating can be improved further, increase the cohesive force of nylon coating, improve the stability of coating；(3), electrostatic nylon powder can maintain average spray layer thickness in using the particle size range of 50 ± 10um.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is further elaborated, but this embodiment is merely to illustrate rather than is limiting to the claimed invention.
The guard rail of the surface spraying nylon powder coating of the present invention, including the guard rail body of steel, guard rail body surface is followed successively by phosphate coating, aluminum base sprayed coating, nylon coating from internal layer to top layer, and nylon coating uses electrostatic nylon powder, i.e. nylon66 fiber.Concrete preparation method is as follows:
Embodiment
1
1, defat rust cleaning: using phosphoric acid, as acid solution, protective guard surface is carried out oil removal treatment, acid solution pH value is set to 3.5, processes rear 60 DEG C of drying.
2, blasting treatment: selecting particle diameter, at the iron-sand of 1.0mm, the guard rail after step 1 processes is carried out blasted rough process, sandblasting carried out next step technique after 12 hours；
3, being inserted by the guard rail after step 2 processes in the Phosphating Solution of room temperature, phosphating time is 15 minutes；Phosphating Solution uses the mixed solution of zinc oxide and phosphoric acid, and PH is 2.5, in Phosphating Solution zinc oxide molar concentration be 0.18mol/L, phosphoric acid molar concentration be 0.12mol/L.
4, using electric arc spraying mode, processing the spraying aluminum membranous layer of rear protective guard through step 2, aluminum membranous layer thickness is 220um；
5, the PA 66 Powder using granularity to be 50um carries out powder spray, and interpolation epoxy resin at 200um, ultimately forms nylon coating as cross-linking agent, the thickness of spraying in the powder.Epoxy resin is 1:3 with the mass ratio of PA 66 Powder.
Embodiment
2
1, defat rust cleaning: using phosphoric acid, as acid solution, protective guard surface is carried out oil removal treatment, acid solution pH value is set to 3.0, processes rear 60 DEG C of drying.
2, blasting treatment: selecting particle diameter, at the iron-sand of 1.1mm, the guard rail after step 1 processes is carried out blasted rough process, sandblasting carried out next step technique after 12 hours；
3, being inserted by the guard rail after step 2 processes in the Phosphating Solution of room temperature, phosphating time is 15 minutes；Phosphating Solution uses the mixed solution of zinc oxide and phosphoric acid, and PH is 2.5, in Phosphating Solution zinc oxide molar concentration be 0.18mol/L, phosphoric acid molar concentration be 0.12mol/L.
4, using electric arc spraying mode, processing the spraying aluminum membranous layer of rear protective guard through step 2, aluminum membranous layer thickness is 210um；
5, the PA 66 Powder using granularity to be 60um carries out powder spray, and interpolation epoxy resin at 210um, ultimately forms nylon coating as cross-linking agent, the thickness of spraying in the powder.Epoxy resin is 1:3 with the mass ratio of PA 66 Powder.
Embodiment
3
1, defat rust cleaning: using phosphoric acid, as acid solution, protective guard surface is carried out oil removal treatment, acid solution pH value is set to 3.5, processes rear 65 DEG C of drying.
2, blasting treatment: selecting particle diameter, at the iron-sand of 0.9 mm, the guard rail after step 1 processes is carried out blasted rough process, sandblasting carried out next step technique after 12 hours；
3, being inserted by the guard rail after step 2 processes in the Phosphating Solution of room temperature, phosphating time is 17 minutes；Phosphating Solution uses the mixed solution of zinc oxide and phosphoric acid, and PH is 2.5, in Phosphating Solution zinc oxide molar concentration be 0.18mol/L, phosphoric acid molar concentration be 0.12mol/L.
4, using electric arc spraying mode, processing the spraying aluminum membranous layer of rear protective guard through step 2, aluminum membranous layer thickness is 190um；
5, the PA 66 Powder using granularity to be 40um carries out powder spray, and interpolation epoxy resin at 190um, ultimately forms nylon coating as cross-linking agent, the thickness of spraying in the powder.Epoxy resin is 1:3 with the mass ratio of PA 66 Powder.
The various embodiments described above can add in step 5 color masterbatch of different color so that nylon coating can represent different colors, to adapt to different installation environments.
The technical scheme provided the embodiment of the present invention above is described in detail, principle and the embodiment of the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only applicable to help to understand the principle of the embodiment of the present invention；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, all will change in detailed description of the invention and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (8)
1. the guard rail of a surface spraying nylon powder coating, it is characterised in that: described protective guard surface is followed successively by phosphate coating, aluminum base sprayed coating, nylon coating from internal layer to top layer, and described nylon coating uses electrostatic nylon powder.
The guard rail of surface spraying nylon powder coating the most according to claim 1, it is characterised in that: adding epoxy resin in described electrostatic nylon powder, described electrostatic nylon powder is 1:3 with the mass ratio of epoxy resin.
The guard rail of surface spraying nylon powder coating the most according to claim 1, it is characterised in that: described electrostatic nylon powder granularity is at 50 ± 10um, and the thickness of spraying is at 200 ± 10um.
The guard rail of surface spraying nylon powder coating the most according to claim 1, it is characterised in that: the thickness of described phosphate coating is at 10 ± 5um.
The guard rail of surface spraying nylon powder coating the most according to claim 1, it is characterised in that: the thickness of described aluminum base sprayed coating is 200 ± 20 um.
6. the preparation method of the guard rail of surface spraying nylon powder coating described in claim 1, it is characterised in that comprise the following steps:
1), successively guard rail is carried out defat rust cleaning, blasting treatment；
2), by the guard rail after step 1) processes insert and Phosphating Solution carries out bonderizing, form phosphate coating；
3), through step 2) protective guard surface spraying aluminum membranous layer, the thickness of aluminum membranous layer is 200 ± 20um；
4), spray electrostatic nylon powder through step 3) protective guard surface, form nylon coating.
The preparation method of the guard rail of surface spraying nylon powder coating the most according to claim 6, it is characterised in that: described Phosphating Solution is the mixed solution of zinc oxide and phosphoric acid, and described mixed solution zinc oxide and phosphoric acid molar concentration rate are 3:2.
8. according to the preparation method of the guard rail of surface spraying nylon powder coating described in claim 6 or 7, it is characterised in that: adding epoxy resin in described electrostatic nylon powder, described electrostatic nylon powder is 1:3 with the mass ratio of epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340773.3A CN105951592A (en) | 2016-05-23 | 2016-05-23 | Guardrail with surface sprayed with nylon powder coating and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610340773.3A CN105951592A (en) | 2016-05-23 | 2016-05-23 | Guardrail with surface sprayed with nylon powder coating and manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105951592A true CN105951592A (en) | 2016-09-21 |
Family
ID=56910280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610340773.3A Pending CN105951592A (en) | 2016-05-23 | 2016-05-23 | Guardrail with surface sprayed with nylon powder coating and manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105951592A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862606A (en) * | 2021-09-30 | 2021-12-31 | 西安特种设备检验检测院 | Ceramic metal nylon composite coating for protecting guide shoe and shoe liner of elevator and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29617457U1 (en) * | 1996-05-14 | 1996-12-05 | Werler Drahtwerke GmbH & Co KG, 59457 Werl | Fence with mounting hooks |
| CN1449871A (en) * | 2002-04-08 | 2003-10-22 | 阿托菲纳公司 | Metal surfaces coated with polyamides |
| CN101122019A (en) * | 2007-09-06 | 2008-02-13 | 王家德 | Metal thermal spraying and powder coating electrostatic spraying composite coat antiseptic technique |
| CN101158015A (en) * | 2006-10-08 | 2008-04-09 | 徐州正菱涂装有限公司 | Hot-spraying aluminum steel substrate surface seal treatment technique |
| CN102774112A (en) * | 2011-05-10 | 2012-11-14 | 上海建冶科技工程股份有限公司 | Alloy resin composite anticorrosion coating for steel structure in maritime work environment and construction process thereof |
-
2016
- 2016-05-23 CN CN201610340773.3A patent/CN105951592A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29617457U1 (en) * | 1996-05-14 | 1996-12-05 | Werler Drahtwerke GmbH & Co KG, 59457 Werl | Fence with mounting hooks |
| CN1449871A (en) * | 2002-04-08 | 2003-10-22 | 阿托菲纳公司 | Metal surfaces coated with polyamides |
| CN101158015A (en) * | 2006-10-08 | 2008-04-09 | 徐州正菱涂装有限公司 | Hot-spraying aluminum steel substrate surface seal treatment technique |
| CN101122019A (en) * | 2007-09-06 | 2008-02-13 | 王家德 | Metal thermal spraying and powder coating electrostatic spraying composite coat antiseptic technique |
| CN102774112A (en) * | 2011-05-10 | 2012-11-14 | 上海建冶科技工程股份有限公司 | Alloy resin composite anticorrosion coating for steel structure in maritime work environment and construction process thereof |
Non-Patent Citations (2)
| Title |
|---|
| 秦国治等: "《防腐蚀涂料技术及设备应用手册》", 30 June 2004, 中国石化出版社 * |
| 赵鑫等: "尼龙粉末的研究进展与应用", 《化学推进剂与高分子材料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113862606A (en) * | 2021-09-30 | 2021-12-31 | 西安特种设备检验检测院 | Ceramic metal nylon composite coating for protecting guide shoe and shoe liner of elevator and preparation method thereof |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160921 |
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| WD01 | Invention patent application deemed withdrawn after publication |