CN103980802B - A kind of epoxy selfreparing on rust paint and preparation method thereof - Google Patents

A kind of epoxy selfreparing on rust paint and preparation method thereof Download PDF

Info

Publication number
CN103980802B
CN103980802B CN201410217551.3A CN201410217551A CN103980802B CN 103980802 B CN103980802 B CN 103980802B CN 201410217551 A CN201410217551 A CN 201410217551A CN 103980802 B CN103980802 B CN 103980802B
Authority
CN
China
Prior art keywords
phosphoric acid
component
solid phosphoric
epoxy
acid compositions
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.)
Active
Application number
CN201410217551.3A
Other languages
Chinese (zh)
Other versions
CN103980802A (en
Inventor
尹桂来
涂湛
唐囡
万军彪
刘福春
韩恩厚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Metal Research of CAS
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Jiangxi Electric Power Co Ltd
Original Assignee
Institute of Metal Research of CAS
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Jiangxi Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Metal Research of CAS, State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Jiangxi Electric Power Co Ltd filed Critical Institute of Metal Research of CAS
Priority to CN201410217551.3A priority Critical patent/CN103980802B/en
Publication of CN103980802A publication Critical patent/CN103980802A/en
Application granted granted Critical
Publication of CN103980802B publication Critical patent/CN103980802B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of epoxy selfreparing on rust paint and preparation method thereof, this epoxy selfreparing on rust paint is made up of epoxy resin, solid phosphoric acid compositions, auxiliary agent, solvent and firming agent etc..Its preparation method: utilize coupling agent to carry out solid phosphoric acid compositions peplos and process, then prepared epoxy selfreparing on rust paint by peplos solid phosphoric acid compositions.This coating has the strongest rusty scale conversion capability, can be widely applied to be difficult to the Anticorrosion Construction at the steel construction position of fully erased rusty scale.

Description

A kind of epoxy selfreparing on rust paint and preparation method thereof
Technical field
The present invention relates to the preparation method of a kind of epoxy selfreparing on rust paint, belong to technical field of coatings.
Background technology
Existing on rust paint is many containing chromate or chromic acid coordination compound, generates miscellaneous many during these compound hydrolysis Acid, heteropoly acid and rust react the complex generating stable suppression rust growth.As CN101698776A discloses a kind of oil well Effective on rust paint, this coating raw material composition include alkyd resin, levelling agent, defoamer, dispersant, thickening agent, drier, Anti-skinning agent, adhesion promoter, ferric oxide red powder, white carbon black, zinc phosphate, calcium carbonate, antirust agent powder and solvent.Antirust agent powder End is chromic acid diphenylguanidine.Due to the restriction of environmental regulation, will prohibit the use of containing chromic coating.
Research worker steps up to study the on rust paint of environment-friendly type.The waterborne rusted paint of transformant is often used To phosphoric acid.Phosphoric acid can react the iron phosphate generating resistance erosion with rust, also can generate phosphating coat at steel surface.CN1075176 is public Having opened a kind of band rust steel surface treatment fluid, the chemical composition contained (weight %) is: water 40~70%, phosphatase 11 5~60%, Also having a small amount of potassium nitrate, zinc oxide, potassium dichromate, organic acid etc., it is excellent that the steel surface being processed can form one layer of corrosion resistance Different protecting film.If but a lot of problem then can be brought, if the moisture in phosphoric acid is with molten phosphoric acid in solvent based coating The consistency problem of dosage form coating film forming matter, maximum problem is that coating is easily bubbled, and causes coating premature failure.
In order to phosphoric acid in solvent based coating, the present invention utilizes solid phosphoric acid compositions to prepare on rust paint, Owing to solid phosphoric acid compositions is without free water, solve ask incompatible with solvent based coating film forming matter of phosphoric acid compositions Topic.It addition, solid phosphoric acid compositions is carried out peplos process, solve solid phosphoric acid and cause coating foaming owing to dissolubility is big A difficult problem.
Adding the solid phosphoric acid compositions after peplos in epoxy coating, prepared solid phosphoric acid/epoxy selfreparing band rust is coated with Layer hinders the infiltration of corrosive medium so that coating has extraordinary Corrosion Protection.
Summary of the invention
The present invention is directed to phosphoric acid and there is consistency problem, and the problem that coating easily lost efficacy with solvent based coating, propose one Plant epoxy selfreparing on rust paint and preparation method thereof, it is therefore an objective to a kind of durable coating of preparation, for corrosion metals matrix table The application over rust in face.
Realization the technical scheme is that, epoxy selfreparing on rust paint of the present invention is made up of following two components:
Component one includes following components and content (in parts by mass):
Epoxy resin 50~80;
Auxiliary agent 0.5~5;
Solid phosphoric acid compositions 0.5~12;
Pigment 1~20;
Solvent 20~50;
Component two includes following components and content (in parts by mass):
Solvent 0~75;
Firming agent 25~100;
Component one is (100:1)~(100:80) with the proportioning of component two;
Described solid phosphoric acid compositions is the mixture of Metaphosphoric acid and dihydric phosphate.Metaphosphoric acid and dihydric phosphate matter Amount ratio is (10:1)~(10:60).Dihydric phosphate such as aluminium dihydrogen phosphate, zinc dihydrogen phosphate, phosphate dihydrogen manganese, biphosphate Barium, ammonium dihydrogen phosphate etc..
Described solid phosphoric acid compositions is the solid phosphoric acid compositions that coupling agent peplos processes.Described coupling agent is silicon Alkane coupling agent.Silane coupler include vinyl-based, chlorocarbon class, ammonia alkyl class, epoxyhydrocarbyl, methacryloxypropyl alkyls, Sulfur-bearing alkyl class etc., trade names such as WD-26, A150, WD-50, KH550, WD-60, KH560, WD70, KH570 etc..
Epoxy resin is one of bisphenol A type epoxy resin, bisphenol f type epoxy resin or their mixture.Concrete model Such as E51, E44, E42, E20, F-51, F-46, F-44 etc..
Firming agent can be polyamide resin grease agent, ring grease amine curing agent, Mannich base class firming agent or theirs is mixed Compound, presently commercially available firming agent such as 8115,650,651,203,600, T31 etc..
Pigment refers to titanium dioxide, iron oxide yellow, cadmium yellow, cadmium red, molybdate red, barba hispanica etc..
Solvent refers to prepare solvent conventional in epoxy coating, such as dimethylbenzene, toluene, n-butyl alcohol etc..
Described auxiliary agent is dispersant that coating is conventional, defoamer, levelling agent, anti-settling agent.Dispersant such as BYK company Anti-Terra®-U、Disperbyk®-115、Disperbyk®-140、Disperbyk®-160、Disperbyk®-163.Disappear BYK-019, BYK-021, BYK-022, BYK-023, BYK-024, BYK-025, BYK-028 of infusion such as BYK company.Levelling agent Such as the EFKA 3232 of Ciba company, EFKA 3033, EFKA 3288, EFKA 3883.Anti-settling agent such as organic modified bentonite class, BENTONE 27, BENTONE 34, BENTONE 57 such as NL company of the U.S.;The JF-of Zhejiang Feng Hong clay Chemical Co., Ltd. 27、JF-38。
The preparation method of epoxy selfreparing on rust paint of the present invention, its process is as follows:
(1) preparation of peplos solid phosphoric acid compositions
It is separately added into coupling agent, solid phosphoric acid compositions (coupling agent and solid phosphoric acid composition quality ratio in a kettle. For (10:2)~(10:30)), 500~1500rpm stirrings 0.2~1h.It is then placed in grinding in ball grinder 4~20 h, to fineness Discharging when≤40 microns.Again by this material filtering, 80~110 DEG C be dried 2~10 hours, grind, cross 325 mesh sieves, obtain peplos Solid phosphoric acid compositions;
(2) above-mentioned peplos solid phosphoric acid compositions joins in epoxy resin, auxiliary agent, pigment and solvent, and dispersion is ground, To epoxy selfreparing on rust paint component one;
(3) dissolving of firming agent solvent is made the component two of epoxy selfreparing on rust paint;Component two is added component In one, within ambient temperature curing 1~7 day, form epoxy selfreparing band rust coating.
The invention has the beneficial effects as follows the solid phosphoric acid compositions of available a kind of peplos;Peplos solid phosphoric acid compositions exists Epoxy coating has dispersibility and the compatibility well, solves solid phosphoric acid compositions or the orthophosphoric acid being directly added into not peplos Solution easily causes a difficult problem for coating foaming, and solid phosphoric acid compositions can slowly be released in the case of coating has water with substrate interface Put, rusty scale is produced transformation, the iron and steel of non-corroding is produced phosphorization, then forms stable rusty scale product.It addition, Epoxy selfreparing on rust paint has good bin stability.
The inventive method is applicable to the large-scale production of epoxy selfreparing on rust paint;Product epoxy selfreparing band of the present invention Rust coating can be widely applied to be difficult to the Anticorrosion Construction at the steel construction position of fully erased rusty scale.
Detailed description of the invention
The preparation of peplos solid phosphoric acid compositions:
It is separately added into 40kg coupling agent, 40kg Metaphosphoric acid, 20kg phosphate dihydrogen manganese in a kettle., at rotating speed 1200rpm Under the conditions of stir 0.5h.It is then placed in grinding in ball grinder 10 h, to discharging during fineness 38 microns.Again by this material filtering, 90 DEG C be dried 8 hours, grind, cross 325 mesh sieves, obtain peplos solid phosphoric acid compositions.
The preparation of epoxy selfreparing on rust paint:
Comparative example 1:
Under stirring, add 4.5kg solid phosphoric acid compositions (the inclined phosphorus of 3kg not having peplos to process in a kettle. Acid, 1.5kg phosphate dihydrogen manganese), it is subsequently adding 64kg E20 epoxy resin (solid content 75%), 0.5kg Disperbyk®-160 In dispersant, 0.5kg JF-38 anti-settling agent, 15.5kg dimethylbenzene and 15kg titanium dioxide, stir 40 minutes, obtain epoxy selfreparing The component one of on rust paint;Other reactor is dissolved in 50kg 8115 polyamide firming agent in 50kg toluene, Make the component two of epoxy selfreparing on rust paint;In component one: the ratio of component two=100:70 joins component component two In one, within ambient temperature curing 7 days, form solid phosphoric acid/epoxy selfreparing band rust coating.
Embodiment 1:
Under stirring, add 4.5kg above-mentioned peplos solid phosphoric acid compositions in a kettle., be subsequently adding 64kg E20 epoxy resin (solid content 75%), 0.5kg Disperbyk®-160 dispersants, 0.5kg JF-38 anti-settling agent, 15.5kg bis- Toluene and 15kg titanium dioxide, stir 40 minutes;Again these epoxy resin compositions are ground, obtain epoxy selfreparing band rust The component one of coating;Other reactor is dissolved in 50kg 8115 polyamide firming agent in 50kg toluene, makes The component two of epoxy selfreparing on rust paint;In component one: the ratio of component two=100:70 joins component one component two In, within ambient temperature curing 7 days, form epoxy selfreparing band rust coating.
Embodiment 2:
Under stirring, add 0.8kg above-mentioned peplos solid phosphoric acid compositions in a kettle., be subsequently adding 64kg E20 epoxy resin (solid content 75%), 0.5kg Disperbyk®-160 dispersants, 0.5kg JF-38 anti-settling agent, 19.2kg bis- Toluene and 15kg titanium dioxide, stir 40 minutes;Again these epoxy resin compositions are ground, obtain epoxy selfreparing band rust The component one of coating;Other reactor is dissolved in 50kg 8115 polyamide firming agent in 50kg toluene, makes The component two of epoxy selfreparing on rust paint;In component one: the ratio of component two=100:70 joins component one component two In, within ambient temperature curing 7 days, form epoxy selfreparing band rust coating.
Embodiment 3:
Under stirring, add 8.5kg above-mentioned peplos solid phosphoric acid compositions in a kettle., be then added to 64kg E20 epoxy resin (solid content 75%), 0.5kg Disperbyk®-160 dispersants, 0.5kg JF-38 anti-settling agent, 11.5kg bis- Toluene and 15kg titanium dioxide, stir 40 minutes;Again these epoxy resin compositions are ground, obtain epoxy selfreparing band rust The component one of coating;Other reactor is dissolved in 50kg 8115 polyamide firming agent in 50kg toluene, makes The component two of epoxy selfreparing on rust paint;In component one: the ratio of component two=100:45 joins component one component two In, within ambient temperature curing 7 days, form epoxy selfreparing band rust coating.
Salt spray test:
The present invention utilizes salt spray test to evaluate the Corrosion Protection of coating.Salt spray test is according to standard GB/T/T 1771-2007 is carried out, and uses continuous spray pattern.Solution is 5%NaCl (mass percent) solution, and test temperature is 35 ±2℃.Utilize aerial spraying method that spray painting is removed floating 150mm × 75 mm become rusty after being exposed to the sun out of doors 6 months On the Q235 steel plate of × 3 mm, normal temperature drying carries out edge sealing after 7 days, then carry out 200 hours salt spray tests.Coating dry film is thick Degree is 150 ± 10 μm.
Table 1 is coating salt spray test result, and coating foaming situation shows to add peplos solid phosphoric acid of the present invention in the coating Compositions has more preferable barrier propterty than adding the solid phosphoric acid compositions not having peplos to process.
Table 1 coating salt-fog resistant test result
Comparative example 1 Embodiment 1 Embodiment 2 Embodiment 3
Bubbling area (%) 80 0 0 0

Claims (2)

1. an epoxy selfreparing on rust paint, it is characterised in that described epoxy selfreparing on rust paint is by following two component structures Become;
According to the mass fraction, component one includes following components and content:
In parts by mass, component two includes following components and content:
Solvent 0~75;
Firming agent 25~100;
Component one is (100:1)~(100:80) with the proportioning of component two;
Described solid phosphoric acid compositions is the mixture of Metaphosphoric acid and dihydric phosphate, and Metaphosphoric acid with dihydric phosphate mass ratio is (10:1)~(10:60);
Described solid phosphoric acid compositions is the solid phosphoric acid compositions processed through coupling agent peplos;Described coupling agent is that silane is even Connection agent.
2. the preparation method of an epoxy selfreparing on rust paint, it is characterised in that described method is entered with step in the following order OK:
(1) preparation of peplos solid phosphoric acid compositions
Being separately added into coupling agent, solid phosphoric acid compositions in a kettle., coupling agent with solid phosphoric acid composition quality ratio is (10:2)~(10:30);Under the conditions of rotating speed 500~1500rpm, stir 0.2~1h;Be then placed in grinding in ball grinder 4~ 20h, to discharging during fineness≤40 micron;Again by this material filtering, 80~110 DEG C are dried 2~10 hours, grind, cross 325 mesh Sieve, obtains peplos solid phosphoric acid compositions;
(2) above-mentioned peplos solid phosphoric acid compositions joins in epoxy resin, auxiliary agent, pigment and solvent, and dispersion is ground, and obtains ring Oxygen selfreparing on rust paint component one;
(3) dissolving of firming agent solvent is made the component two of epoxy selfreparing on rust paint;Component two is added in component one, Within ambient temperature curing 1~7 day, form epoxy selfreparing band rust coating.
CN201410217551.3A 2014-05-22 2014-05-22 A kind of epoxy selfreparing on rust paint and preparation method thereof Active CN103980802B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410217551.3A CN103980802B (en) 2014-05-22 2014-05-22 A kind of epoxy selfreparing on rust paint and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410217551.3A CN103980802B (en) 2014-05-22 2014-05-22 A kind of epoxy selfreparing on rust paint and preparation method thereof

Publications (2)

Publication Number Publication Date
CN103980802A CN103980802A (en) 2014-08-13
CN103980802B true CN103980802B (en) 2016-08-24

Family

ID=51272980

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410217551.3A Active CN103980802B (en) 2014-05-22 2014-05-22 A kind of epoxy selfreparing on rust paint and preparation method thereof

Country Status (1)

Country Link
CN (1) CN103980802B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106810993B (en) * 2015-11-27 2019-10-22 中国科学院金属研究所 Self-healing type epoxy coating and its preparation and application based on the mesoporous container of micron order

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7345101B2 (en) * 2002-11-06 2008-03-18 Ppg Industries Ohio, Inc. Aqueous composition of reaction product of epoxy and phosphorus materials with curing agent
CN102911586B (en) * 2012-10-24 2015-10-07 江苏纽克莱涂料有限公司 Epoxy anticorrosion decoration paint
CN103756512B (en) * 2013-12-31 2016-08-24 上海大通涂料化工有限公司 Band rust band wet coating dress anticorrosive coating

Also Published As

Publication number Publication date
CN103980802A (en) 2014-08-13

Similar Documents

Publication Publication Date Title
CN103788787A (en) Single-component water-based natural drying finishing coat for construction crane and preparation method thereof
CN102702899B (en) Water-based modified pure acrylic acid anticorrosive paint
CN104031526B (en) Rust Converting Epoxy Resin Coatings with self-repair function and preparation method thereof
CN103980797A (en) Polyurethane modified epoxy resin anticorrosion nanometer coating
CN106047120A (en) Low-temperature curing quick-drying type oil resistant anticorrosive coating and preparation method thereof
CN104356938B (en) Chromium-free water-based metal anticorrosive paint and preparation method thereof
CN104962168A (en) Water-soluble anti-rust paint and preparation method thereof
CN105524505A (en) Double-ingredient chrome-free water-based metal anticorrosive paint and preparation method thereof
CN103980799B (en) There is rusty scale convert and the epoxy selfreparing on rust paint of Stabilization
CN104017451A (en) Water-based anticorrosive finish paint for vehicle plate springs and chassis
CN103254735B (en) Ocean heavy anti-corrosion epoxy aluminum-rich nano-coating and preparation method thereof
CN103214917B (en) Marine corrosion-resistant epoxy aluminum-magnesium-nickel rear earth rich nanometer material and preparation method thereof
CN101392141A (en) Underwater construction curing and anticorrosive and antifouling coating for sea equipment
CN105969194A (en) Waterproof, anti-corrosion and anti-rust coating for metal
CN103980802B (en) A kind of epoxy selfreparing on rust paint and preparation method thereof
CN103360903A (en) Waterborne epoxy phosphatic zinc dust antirust paint and its preparation method
CN102337048A (en) Nano modified inorganic zinc-rich paint and preparation method thereof
CN104974625A (en) Water-soluble antirust insulating paint and preparation method therefor
CN103254725B (en) Ocean heavy anti-corrosion epoxy aluminum-nickel-rich nano-coating and preparation method thereof
CN103725162A (en) Polypyrrole-bisphenol A epoxy resin composite coating and preparation method thereof
CN104017465A (en) Waterborne anticorrosion primer for plate spring and chassis of vehicle
CN103980807B (en) A kind of polyurethane selfreparing on rust paint and preparation method thereof
CN103254732B (en) Ocean heavy anti-corrosion epoxy aluminum-magnesium-nickel-rich nano-coating and preparation method thereof
CN103242737B (en) Marine heavy anti-corrosion epoxy nano coating rich in aluminium, manganese and rare earth and preparation method thereof
CN103254733B (en) Ocean heavy anti-corrosion epoxy aluminum-rare earth-rich nano-coating and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model