CN102277063A - Heavy-duty anticorrosion powder coating special for coating steel bars - Google Patents

Heavy-duty anticorrosion powder coating special for coating steel bars Download PDF

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Publication number
CN102277063A
CN102277063A CN2011101903628A CN201110190362A CN102277063A CN 102277063 A CN102277063 A CN 102277063A CN 2011101903628 A CN2011101903628 A CN 2011101903628A CN 201110190362 A CN201110190362 A CN 201110190362A CN 102277063 A CN102277063 A CN 102277063A
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Prior art keywords
powder coating
epoxy
coating
reinforcing bar
steel bars
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王焱
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TIANJIN XIANGSHENG POWDER COATIGS CO Ltd
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TIANJIN XIANGSHENG POWDER COATIGS CO Ltd
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Abstract

The invention relates to a heavy-duty anticorrosion powder coating special for coating steel bars. The coating comprises the following components in part by weight: 700 to 800 parts of epoxy resin, 5 to 10 parts of curing agent, 50 to 60 parts of pigment, 170 to 190 parts of filler and 20 to 40 parts of aid. A method for preparing the coating comprises the following steps of: adding the materials into a high-speed material mixing machine, performing dry mixing, adding the mixed materials into an extruder, melting at the temperature of between 90 and 100 DEG C, milling, cooling, tabletting, crushing by a crusher, grading, sieving, and packaging to obtain a finished product of the powder coating. The heavy-duty anticorrosion powder coating special for the coating steel bars is mainly applied to positions where heavy-duty anticorrosion is required in industries of railways, roads, bridges, basements of high-rise buildings, underground garages, seaports, wharfs, dams, sewage treatment ponds, chemicals and the like, the stability of the steel bars is improved, and the final service life of buildings is prolonged by over 30 years; and experiments prove that compared with the corrosion resistant performance of naked steel bars, the corrosion resistant performance of the steel bars coated with epoxy coatings is improved by 800 times.

Description

Reinforcing bar applies special-purpose double antiseptic powder coating
Technical field
The invention belongs to paint field, particularly a kind of reinforcing bar applies special-purpose double antiseptic powder coating.
Background technology
The stability of reinforcement property has been directly connected to the final work-ing life of buildings, owing to have slit or space in the Steel Concrete, can cause the steel bar corrosion of Steel Concrete when being subjected to erosion such as salt solution or acid rain.Tens times of the iron scale volumetric expansions that corrosion produces; can cause concrete cracking, protective layer to peel off; reinforcing bar is directly exposed in atmosphere, water and the corrosive medium thereof; corrosion speed is accelerated; buildings does not often reach design life just to be destroyed in advance; the reinforcement corrosion meeting causes the catastrophic failure of engineering, has caused people's extensive attention for the corrosion prevention of reinforcing bar.
Epoxy-coated reinforcement is the important method that solves reinforcement corrosion in the concrete, is mainly used in industries such as railway, highway, bridge, basement in high rise building, underground garage, harbour, harbour, dam and treatment tank, chemical industry and need weighs the rot-resistant position.The snappiness of reinforcing bar coating and sticking power, the unification of internal stress contradiction are difficult for taking into account, and often bend ductility has been got well but sticking power meeting variation, and Electronic Speculum shows section porosity height, and permeability resistance is not so good, and especially hot water bath postadhesion power can descend.
In the heavy anticorrosion application facet of reinforcing bar epoxy there has been nearly 30 years time abroad, but use at home and also do not have large-scale popularization, homemade part aseptic production can not satisfy the severe condition that reinforcing bar applies, apply back bending and molding link especially earlier, easily split even peel off, many engineerings are also being used the exposed direct casting concrete mode of reinforcing bar, and buildings does not also arrive and just damages in advance working life, therefore domestic reinforcing bar coating powders coating dependence on import always in recent years.
Coating wants resist chemical, shock resistance, resisting chlorides to permeate, folding is curved, antikathode is peeled off, extremely strong cohesive strength will be arranged, and also wants the energy fast setting, and powder coating material commonly used obviously can not satisfy these harsh requirements.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art part, provide a kind of reinforcing bar to apply special-purpose double antiseptic powder coating,, improve surface strength, eliminate the dilatory coating damage hidden danger of colliding with in the construction in later period process to improve erosion resistance to greatest extent.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of reinforcing bar applies special-purpose double antiseptic powder coating, and its raw material constitutes component and parts by weight are respectively:
Figure BDA0000074477750000011
Above-mentioned material is added to high speed mixer, behind dry blending, is added to forcing machine, carry out fusion, mixing, cooling, compressing tablet at extrusion temperature 90-100 ℃, again through pulverizer pulverizing, classification, sieve, pack, become the powder coating final product.
And, described Resins, epoxy is made up of 804 Resins, epoxy, 907 Resins, epoxy, linear bisphenol A-type modified resin, o-cresol formaldehyde epoxy resin, and its part by weight is: 804 Resins, epoxy: 907 Resins, epoxy: linear bisphenol A-type modified resin: o-cresol formaldehyde epoxy resin=120: 250: 240: 108.
And described solidifying agent is a glyoxal ethyline.
And described pigment is made up of titanium dioxide, pthalocyanine blue, iron oxide yellow, and its part by weight is: titanium dioxide: pthalocyanine blue: iron oxide yellow=48: 1.2: 8.4.
And described filler comprises wet method tiny stream mica powder and torispherical silicon powder, and its part by weight is: wet method tiny stream mica powder: torispherical silicon powder=1: 5.
And described auxiliary agent comprises 788 flow agents, 701B brightening agent, st-yrax and polyvinyl butyral, and its part by weight is: 788 flow agents: 701B brightening agent: st-yrax: polyvinyl butyral=6:: 4: 3: 18.
Advantage of the present invention and positively effect are:
1, the present invention adopts the oblong link epoxy resins of repeating unit 6-9, be equipped with heavy anti-corrosive type o-cresol formaldehyde resin, replaced in the past with dicyandiamide and hydrazides class solidifying agent technology, erosion resistance, bending resistance have been improved, strong adhesion, stretch-proof is not ftractureed, do not peel off, coating has excellent electrical insulating property and resisting chlorides perviousness simultaneously.
2, the present invention adopts phenolic hydroxyl group long-chain solidifying agent, with the modified imidazole catalytic curing in the hope of reaching the target of fast setting.For improving the cleanliness factor of Resins, epoxy, abandoning high shortcoming of the residual chlorine dose of general WATER-WASHING METHOD and residual chlorine dose height is fatal defective for the infringement of anticorrosion coat, adopt the heating in medium frequency fast setting, use checking through client's actual production, automation paint simple to operation, suitable, coat-thickness are easy to control, energy efficient and labour cost are remarkable, obtain anticorrosion preferably detection effect.
3, coating of the present invention is the novolac epoxy resin molecular structure, not only contain more phenyl ring and hydroxyl but also long flexible chain is arranged, be to aim at the double antiseptic powder coating design, fabulous intermiscibility is arranged, the reactive behavior height has very strong adhesive power, but fast setting, the cross-linking density height, anti-medium osmosis ability is strong, films to have remarkable rigidity and humidity resistance, chemical-resistant, solvent resistance, anti-cathodic disbonding, levelling property and snappiness, mechanical propertys such as shock resistance, experimental results show that the reinforcing bar corrosion resistance nature that apply epoxy coat than naked reinforcing bar improve 800 times more than 30 years the final work-ing life that prolongs buildings.
4, the selected pigment of the present invention is wet method tiny stream mica, has acidproof, alkaline-resisting, wear-resisting.Sheet structure is arranged, an amount of distribution of adding meeting stacked pressure of form layers in coating, the invasion that helps slowing down water and chemical has reduced section porosity under the Electronic Speculum.
Embodiment
The invention will be further described below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of reinforcing bar applies special-purpose double antiseptic powder coating, and its raw material constitutes component and parts by weight are respectively:
Above-mentioned material is added to high speed mixer, behind dry blending, is added to forcing machine, carry out conventional fusion, mixing, cooling, compressing tablet at extrusion temperature 90-100 ℃, again through pulverizer pulverizing, classification, sieve, pack, become the powder coating final product.
Narrate the formation and the function of each raw material below respectively:
1, Resins, epoxy is the mixture of four kinds of Resins, epoxy, and its title and parts by weight are respectively:
804 Resins, epoxy: 120;
907 Resins, epoxy: 250;
Linear bisphenol A-type modified resin: 240;
O-cresol formaldehyde epoxy resin: 108;
The thinking of single Resins, epoxy kind in the protective system before the present invention abandons, adopt the different epoxy-resin systems of multiple molecular structure, combine with 804 Resins, epoxy to arrange in pairs or groups by a certain percentage and use such as long carbochain 907H epoxy, EPN linear phenolic epoxy resin, polyfunctional group ECN o-cresol formaldehyde epoxy resin, macromole complementary networks structure, form fine and close coating, the mean polymerisation degree of contained Resins, epoxy should be controlled between 4~9.
2, solidifying agent adopts glyoxal ethyline, is the easy linear polyfunctional group long-chain macromolecule of phenolic hydroxyl group of low-temp reaction characteristic, promptly improved film flexibility, has increased the probability of winding, embedding again, and the poly-hydroxy structure has also improved the sticking power to base material simultaneously.
3, pigment: be made up of titanium dioxide, pthalocyanine blue, iron oxide yellow, parts by weight separately are:
Titanium dioxide: 48
Pthalocyanine blue: 1.2
Iron oxide yellow: 8.4.
4, filler: comprise wet method tiny stream mica powder, torispherical silicon powder, various parts by weight are respectively:
Wet method tiny stream mica powder: 30
Torispherical silicon powder: 150.
Above-mentioned two kinds of fillers can guarantee that coating has good dispersiveness, and are colourless or white, do not contain the ultra-fine powder of various impurity; Acidproof, alkaline-resisting, good weatherability of while, cost is low, but does not reduce every performance of filming.
5, auxiliary agent: comprise flow agent, brightening agent, pore eliminator and toughner, concrete name of product and parts by weight are respectively:
Flow agent (788 flow agent): 6
Brightening agent (701B brightening agent): 4
Pore eliminator (st-yrax): 3
Toughner (polyvinyl butyral): 18.
The making of coated reinforcement of the present invention is carried out in the production line mode in professional production factory, its main technique flow process: rebar surface is handled (shot blasting) → reinforcing bar heating (heating in medium frequency or baker heating) → electrostatic spraying → water purification cooling → quality inspection → packing and is tied up → finished goods inventory.
Various raw material of the present invention is the commercially available prod, referring to table 1.
The present invention has guaranteed that the warping resistance of coating, snappiness significantly improve, behind the coated reinforcement bending and forming do not have peel off, flawless.Corrosion resistance has also passed through GB correlation detection (detected result sees Table 2)
Through production technique is improved, improve dispersing property, the coating electromicroscopic photograph shows after the application, the section porosity obviously reduces, coating densification, anti-permeability performance excellence.Packing layer is fish scale sheet stacked arrangement, has blocked the permeating corrosion effect of electrolyte solution.Salt spray resistance penetration testing 3000 hours still for a long time as new.
Coating is tested through surface impacts, except that shock point place slight deformation (not bursting apart), does not influence the protective value to reinforcing bar, and its elsewhere is excellent, proves that this coating can bear that external force is dilatory in the construction process collides with, and exempts from trouble and worry.This is than high times of common coating.
Practical application effect and test situation:
One, coating satisfies whole eight standards of the Ministry of Construction by the detection of building materials inspection center of the Ministry of Construction
Two, the national Ministry of Railways of censorship detects and passes through, and satisfies the requirement of country's " high ferro " construction to coated reinforcement.
Three, satisfy domestic other reinforcing bar manufacturing enterprises and apply requirement, and carried out producing in batches practice.Wherein to roll two factories be exactly one of formulation participant of old-national mark (JG3042-1997) and new national standard GB/T25826-2010 to sky, Tianjin smelting group iron.
Four, the Ministry of Construction has made and issued " epoxy coating reinforcing bar " (JG3042-1997) industry standard according to foreign advanced experience and in conjunction with domestic practical situation; Country's metallic corrosion control engineering Technical Research Center and units concerned have formulated " corrosion-proof coating of smelting combined epoxy powder coating " (GB/T18593-2001) national standard.Epoxy-coated reinforcement new national standard GB/T25826-2010 also is about to implement.Being intended to can be effectively, this modern technique being introduced in all kinds of heavy construction projects of China of standard gone.Along with the sense of duty of compatriots' counterweight large construction project strengthens, the reinforcing bar coating more and more shows its importance, and enters in the direct labor journey and go, and is not the guilty person of engineering, and quality is placed above the other things.The epoxy double antiseptic powder coating will more and more spread to the builder in the heart, thereby opens vast market.
Table 1: the formation situation and the source of each raw material.
Figure BDA0000074477750000051
Table 2: the various experimental performance parameters of this coating.
Figure BDA0000074477750000052

Claims (6)

1. a reinforcing bar applies special-purpose double antiseptic powder coating, it is characterized in that: its raw material constitutes component and parts by weight are respectively:
Figure FDA0000074477740000011
Above-mentioned material is added to high speed mixer, behind dry blending, is added to forcing machine, carry out fusion, mixing, cooling, compressing tablet at extrusion temperature 90-100 ℃, again through pulverizer pulverizing, classification, sieve, pack, become the powder coating final product.
2. reinforcing bar according to claim 1 applies special-purpose double antiseptic powder coating, it is characterized in that: described Resins, epoxy is made up of 804 Resins, epoxy, 907 Resins, epoxy, linear bisphenol A-type modified resin, o-cresol formaldehyde epoxy resin, and its part by weight is: 804 Resins, epoxy: 907 Resins, epoxy: linear bisphenol A-type modified resin: o-cresol formaldehyde epoxy resin=120: 250: 240: 108.
3. reinforcing bar according to claim 1 applies special-purpose double antiseptic powder coating, it is characterized in that: described solidifying agent is a glyoxal ethyline.
4. reinforcing bar according to claim 1 applies special-purpose double antiseptic powder coating, it is characterized in that: described pigment is made up of titanium dioxide, pthalocyanine blue, iron oxide yellow, and its part by weight is: titanium dioxide: pthalocyanine blue: iron oxide yellow=48: 1.2: 8.4.
5. reinforcing bar according to claim 1 applies special-purpose double antiseptic powder coating, it is characterized in that: described filler comprises wet method tiny stream mica powder and torispherical silicon powder, and its part by weight is: wet method tiny stream mica powder: torispherical silicon powder=1: 5.
6. reinforcing bar according to claim 1 applies special-purpose double antiseptic powder coating, it is characterized in that: described auxiliary agent comprises 788 flow agents, 701B brightening agent, st-yrax and polyvinyl butyral, and its part by weight is: 788 flow agents: 701B brightening agent: st-yrax: polyvinyl butyral=6:: 4: 3: 18.
CN2011101903628A 2011-07-08 2011-07-08 Heavy-duty anticorrosion powder coating special for coating steel bars Pending CN102277063A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103497554A (en) * 2013-09-03 2014-01-08 蚌埠市英路光电有限公司 Steel bar anticorrosion powdery paint
CN103525239A (en) * 2013-09-25 2014-01-22 中国石油天然气股份有限公司 Special wear-resistant powder coating for corrosion prevention of down-hole oil tubes and sucker rods
CN103952057A (en) * 2014-04-09 2014-07-30 国润恒科(天津)防腐工程技术有限公司 Anticorrosive powder coating composition for super-tough rapid-bending steel bar, preparation method and application thereof
CN104017468A (en) * 2014-05-19 2014-09-03 洛阳双瑞防腐工程技术有限公司 High-impermeability epoxy powder paint and preparation method thereof
CN104234214A (en) * 2014-07-30 2014-12-24 汪峻峰 Construction method for anticorrosive paint for building bars
CN106318107A (en) * 2015-06-29 2017-01-11 安徽真信涂料有限公司 Powdery paint and preparation method thereof
CN107245292A (en) * 2016-12-30 2017-10-13 安徽美佳新材料股份有限公司 A kind of wire-and-tube evaporator powdery paints and preparation method thereof
CN108774445A (en) * 2018-05-24 2018-11-09 天津翔盛新材料有限公司 A kind of Steel Pipe Heat roller coating is without rear special heavy corrosion protection epoxy powder coating of solidification and preparation method thereof
CN109181501A (en) * 2018-08-15 2019-01-11 厦门德立邦新材料科技有限公司 A kind of reinforcing bar powdery paints and its production technology
CN109763521A (en) * 2018-12-29 2019-05-17 北京东方雨虹防水技术股份有限公司 The corrosion-resistant waterproof layer system of modified resin and its application and construction method
CN110079188A (en) * 2019-04-11 2019-08-02 江南大学 A kind of water-based anticorrosive paint and preparation method thereof of sustainable cathodic protection
CN111892857A (en) * 2020-08-27 2020-11-06 安徽桑瑞斯环保新材料有限公司 Industrial pipeline anticorrosion powder coating and preparation method thereof
CN113845823A (en) * 2021-11-03 2021-12-28 淮安凯佳粉末涂料有限公司 Anticorrosive antibacterial powder coating and preparation device thereof
CN114149720A (en) * 2021-11-17 2022-03-08 浙江富佰特材科技有限公司 Electrostatic spraying high-corrosion-resistance insulating steel rail
CN115521690A (en) * 2022-10-27 2022-12-27 广东睿智环保科技有限责任公司 Solvent-resistant powder coating for laboratory furniture and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687269A (en) * 2005-04-29 2005-10-26 大庆高新区纽曼化工科技有限公司 Enhanced anticorrosive and cutting resisting powder coating for reinforcing steel bar
CN1962779A (en) * 2006-11-28 2007-05-16 周思岳 Dedicated epoxy powder paint for steel strand with thick coating and method for preparing same
CN101613561A (en) * 2009-07-17 2009-12-30 江南大学 A kind of filling type epoxy powder coating for steel strands and preparation method thereof
CN102101965A (en) * 2011-01-06 2011-06-22 河北欧特涂料有限公司 Steel bar anticorrosion powder coating and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1687269A (en) * 2005-04-29 2005-10-26 大庆高新区纽曼化工科技有限公司 Enhanced anticorrosive and cutting resisting powder coating for reinforcing steel bar
CN1962779A (en) * 2006-11-28 2007-05-16 周思岳 Dedicated epoxy powder paint for steel strand with thick coating and method for preparing same
CN101613561A (en) * 2009-07-17 2009-12-30 江南大学 A kind of filling type epoxy powder coating for steel strands and preparation method thereof
CN102101965A (en) * 2011-01-06 2011-06-22 河北欧特涂料有限公司 Steel bar anticorrosion powder coating and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
周斌华等: "环氧型粉末涂料固化体系", 《上海涂料》 *

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103497554A (en) * 2013-09-03 2014-01-08 蚌埠市英路光电有限公司 Steel bar anticorrosion powdery paint
CN103525239A (en) * 2013-09-25 2014-01-22 中国石油天然气股份有限公司 Special wear-resistant powder coating for corrosion prevention of down-hole oil tubes and sucker rods
CN103525239B (en) * 2013-09-25 2016-08-17 中国石油天然气股份有限公司 A kind of down-hole oil tube, pumping rod anti-corrosive Special wear-resistant powdery paints
CN103952057A (en) * 2014-04-09 2014-07-30 国润恒科(天津)防腐工程技术有限公司 Anticorrosive powder coating composition for super-tough rapid-bending steel bar, preparation method and application thereof
CN103952057B (en) * 2014-04-09 2016-04-20 国润恒科(天津)防腐工程技术有限公司 A kind of super tough can sharp bend rebar anti-corrosion powder coating composition and method of making the same and application
CN104017468A (en) * 2014-05-19 2014-09-03 洛阳双瑞防腐工程技术有限公司 High-impermeability epoxy powder paint and preparation method thereof
CN104234214A (en) * 2014-07-30 2014-12-24 汪峻峰 Construction method for anticorrosive paint for building bars
CN106318107A (en) * 2015-06-29 2017-01-11 安徽真信涂料有限公司 Powdery paint and preparation method thereof
CN107245292A (en) * 2016-12-30 2017-10-13 安徽美佳新材料股份有限公司 A kind of wire-and-tube evaporator powdery paints and preparation method thereof
CN108774445A (en) * 2018-05-24 2018-11-09 天津翔盛新材料有限公司 A kind of Steel Pipe Heat roller coating is without rear special heavy corrosion protection epoxy powder coating of solidification and preparation method thereof
CN109181501A (en) * 2018-08-15 2019-01-11 厦门德立邦新材料科技有限公司 A kind of reinforcing bar powdery paints and its production technology
CN109763521A (en) * 2018-12-29 2019-05-17 北京东方雨虹防水技术股份有限公司 The corrosion-resistant waterproof layer system of modified resin and its application and construction method
CN110079188A (en) * 2019-04-11 2019-08-02 江南大学 A kind of water-based anticorrosive paint and preparation method thereof of sustainable cathodic protection
CN111892857A (en) * 2020-08-27 2020-11-06 安徽桑瑞斯环保新材料有限公司 Industrial pipeline anticorrosion powder coating and preparation method thereof
CN113845823A (en) * 2021-11-03 2021-12-28 淮安凯佳粉末涂料有限公司 Anticorrosive antibacterial powder coating and preparation device thereof
CN114149720A (en) * 2021-11-17 2022-03-08 浙江富佰特材科技有限公司 Electrostatic spraying high-corrosion-resistance insulating steel rail
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Application publication date: 20111214