CN109868014A - A kind of high-solid lower-viscosity anticorrosion of steel structure paint - Google Patents
A kind of high-solid lower-viscosity anticorrosion of steel structure paint Download PDFInfo
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- CN109868014A CN109868014A CN201910181441.9A CN201910181441A CN109868014A CN 109868014 A CN109868014 A CN 109868014A CN 201910181441 A CN201910181441 A CN 201910181441A CN 109868014 A CN109868014 A CN 109868014A
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Abstract
The invention discloses a kind of high-solid lower-viscosity anticorrosion of steel structure paints, by the material composition of following mass fraction: 260-290 parts of high-solid lower-viscosity resin of self-control, 15-25 parts of modifier, 6-8 parts of dispersing agent, 6-8 parts of defoaming agent, 250-300 parts of titanium dioxide, 100-150 parts of feldspar powder, 40-80 parts of flaky mica powder, aluminium powder, BaSO450-200 parts of powder, 1.5-3.5 parts of thixotropic agent, 10-18 parts of coupling agent, 2.5-4.5 parts of levelling agent, 65-75 parts of mixed solvent.The present invention has synthesized the high-solid lower-viscosity type acrylic resin of hydroxyl by preparation method self-control simple to operation first, then as the base-material of synthesis high-solid lower-viscosity anticorrosion of steel structure paint, other auxiliary agents are added, the solid content for the anticorrosion of steel structure paint prepared is high, viscosity is low, film forming is fast, and the storage stability of product is high.
Description
Technical field
The present invention relates to anticorrosion of steel structure paint field, especially a kind of high-solid lower-viscosity anticorrosion of steel structure paint.
Background technique
In recent years, the direct economic loss as caused by metal erosion accounts for about gross national product every year in China according to statistics
4%, therefore the Anticorrosion of metal receives more and more attention, during the entire process of anti-corrosion of metal coating, metal before coating
Surface preparation accounts for about the 45% of entire coating project total price.In order to protect steel not corroded, extend the service life of steel,
Corrosion-proof coating is carried out to steel generally to want during carrying out corrosion-proof coating as a kind of most economical effective method
Successively derusted, oil removing, water removal, drying, the processes such as emanation spraying paint, wherein used in anticorrosion of steel structure paint be also referred to as workshop
The viscosity control of priming paint, the anti-decaying paint sprayed is lower, and the thickness general control of anti-corrosion paint film is in 20um or less, it is desirable that welding is burnt
Burn width≤15mm, does not influence being normally carried out for work such as normally to cut, weld, common anticorrosion of steel structure paint kind is propylene
Sour shop primer, oxide epoxy precoat primer etc..
At this stage organic silicon used in steel construction, polyureas anti-decaying paint material cost of manufacture it is higher, acrylic acid
Although anticorrosion of steel structure paint has the function of that preferable chemical rustless property and physical shielding, film forming matter itself are lacked there are some
It falls into, is such as difficult to guarantee low viscosity, high solidification rate simultaneously, volatile organic compounds (VOC) content is high, and product storage is steady
It is qualitative low.
Summary of the invention
In order to overcome drawbacks described above existing in the prior art, the viscosity of anticorrosion of steel structure paint is reduced, it is anti-to improve steel construction
The curing degree of corruption paint, reduces VOC content, and the present invention provides a kind of high-solid lower-viscosity anticorrosion of steel structure paint.
The technical solution adopted by the present invention to solve the technical problems is: a kind of high-solid lower-viscosity anticorrosion of steel structure paint, by
The material composition of following mass fraction:
260-290 parts of high-solid lower-viscosity resin,
15-25 parts of modifier,
6-8 parts of dispersing agent,
6-8 parts of defoaming agent,
250-300 parts of titanium dioxide,
100-150 parts of feldspar powder,
40-80 parts of flaky mica powder, aluminium powder,
BaSO450-200 parts of powder,
1.5-3.5 parts of thixotropic agent,
10-18 parts of coupling agent,
2.5-4.5 parts of levelling agent,
65-75 parts of mixed solvent.
A kind of above-mentioned high-solid lower-viscosity anticorrosion of steel structure paint, the high-solid lower-viscosity resin by following mass fraction raw material
It is prepared: 1.5-2.5 parts of acrylic acid, 2-18 parts of ethyl acrylate, 18-23 parts of hydroxypropyl acrylate, butyl acrylate 10-28
Part, 14.5-19.5 parts of butyl methacrylate, 14.8-21 parts of methyl methacrylate, 22-38 parts of styrene, initiator 4-5
Part, 1.5-2.5 parts of chain-transferring agent, 25-30 parts of solvent.
A kind of above-mentioned high-solid lower-viscosity anticorrosion of steel structure paint, the preparation step of the high-solid lower-viscosity resin include: that (1) takes
The four-hole boiling flask of clean dried installs electric mixer, condenser, constant pressure addition leakage respectively on four-hole boiling flask on four mouths
Bucket and thermometer；(2) raw material for preparing high-solid lower-viscosity resin is weighed by the mass fraction, for use；(3) into four-hole boiling flask
The solvent of weighed 2/3-3/4 is added, opens condensed water and is condensed back, and be passed through inert nitrogen gas to drain four mouthfuls
Air in flask, under the protection atmosphere of nitrogen, the stirring rate 400r/min-600r/min kept constant is heated to steady
Determine reflux temperature 130-140oC；(3) monomeric acrylic, ethyl acrylate, hydroxypropyl acrylate, butyl acrylate, methyl-prop are taken
Olefin(e) acid butyl ester, methyl methacrylate, styrene and 1/2-2/3 initiator, using constant pressure funnel with constant drop
Rate of acceleration dropwise addition monomer and initiator, time for adding 2.5-3.5 hours, insulation reaction 1.5-2 hours；(4) constant pressure addition is used
Funnel successively adds remaining initiator and solvent, insulation reaction 1 hour, is cooled to 25-30oC discharging, deionization washing
It washs, filter, drying to get high-solid lower-viscosity resin is arrived.
A kind of above-mentioned high-solid lower-viscosity anticorrosion of steel structure paint, the dispersing agent are acrylic system dispersing agent 610S, institute
Stating defoaming agent is one of polyoxypropylene ethylene oxide glycerin ether, aliphatic hydrocarbon, aromatic hydrocarbon.
The mass ratio of a kind of above-mentioned high-solid lower-viscosity anticorrosion of steel structure paint, the flaky mica powder and aluminium powder is 1:1-4:
1。
A kind of above-mentioned high-solid lower-viscosity anticorrosion of steel structure paint, the coupling agent are silane coupling agent, and the levelling agent is
Organosilicon levelling agent.
A kind of above-mentioned high-solid lower-viscosity anticorrosion of steel structure paint, the mixed solvent is by toluene, butanol, butyl ether and cyclohexanone
In two or more mix.
A kind of above-mentioned high-solid lower-viscosity anticorrosion of steel structure paint, the initiator are dibenzoyl peroxide, peroxidating ten
One of two acyls, oxidation t-butyl perbenzoate, azobisisoheptonitrile, azodiisobutyronitrile, the chain-transferring agent is aliphatic
One of mercaptan, lauryl mercaptan, mercaptoethanol.
A kind of above-mentioned high-solid lower-viscosity anticorrosion of steel structure paint, the solvent are n-butanol, toluene, dimethylbenzene, N, N- bis-
One of methylformamide, tetrahydrofuran.
Compared with prior art, the present invention has following helpfulness technical effect:
The invention proposes a kind of high-solid lower-viscosity anticorrosion of steel structure paints, are made by oneself close by preparation method simple to operation first
At the high-solid lower-viscosity type acrylic resin of hydroxyl, then as the base of synthesis high-solid lower-viscosity anticorrosion of steel structure paint
Material, is added other auxiliary agents, and the solid content for the anticorrosion of steel structure paint prepared is high, and viscosity is low, and film forming is fast, the storage stability of product
It is high.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, With reference to embodiment to this
Invention elaborates.
[embodiment 1]
A kind of high-solid lower-viscosity anticorrosion of steel structure paint, by the material composition of following mass fraction:
260 parts of high-solid lower-viscosity resin,
15 parts of modifier,
6 parts of dispersing agent,
6 parts of defoaming agent,
250 parts of titanium dioxide,
100 parts of feldspar powder,
40 parts of flaky mica powder, aluminium powder,
BaSO450 parts of powder,
1.5 parts of thixotropic agent,
10 parts of coupling agent,
2.5 parts of levelling agent,
65 parts of mixed solvent.
Further, the high-solid lower-viscosity resin is prepared by the raw material of following mass fraction: 1.5 parts of acrylic acid, third
2 parts of olefin(e) acid ethyl ester, 18 parts of hydroxypropyl acrylate, 10 parts of butyl acrylate, 14.5 parts of butyl methacrylate, methyl methacrylate
14.8 parts of ester, 22 parts of styrene, 4 parts of initiator, 1.5 parts of chain-transferring agent, 25 parts of solvent；The preparation of the high-solid lower-viscosity resin walks
Suddenly include: the four-hole boiling flask that (1) takes clean dried, install electric mixer, condensation respectively on four mouths on four-hole boiling flask
Device, constant pressure funnel and thermometer；(2) raw material for preparing high-solid lower-viscosity resin is weighed by the mass fraction, for use；
(3) weighed 2/3 solvent is added into four-hole boiling flask, opens condensed water and is condensed back, and be passed through inert gas nitrogen
Gas is to drain the air in four-hole boiling flask, and under the protection atmosphere of nitrogen, the stirring rate 400r/min kept constant is heated to
Stablize reflux temperature 130oC；(3) monomeric acrylic, ethyl acrylate, hydroxypropyl acrylate, butyl acrylate, metering system are taken
Acid butyl ester, methyl methacrylate, styrene and 1/2 initiator, using constant pressure funnel with constant drop rate
Dropwise addition monomer and initiator, time for adding 2.5 hours, insulation reaction 1.5 hours；(4) it is successively added using constant pressure funnel
Remaining initiator and solvent insulation reaction 1 hour, are cooled to 25oC discharging, deionized water washing, filtering, it is dry to get
To high-solid lower-viscosity resin.
Further, the dispersing agent is acrylic system dispersing agent 610S, and the defoaming agent is that polyoxypropylene aoxidizes second
Alkene glycerin ether.
Further, the mass ratio of the flaky mica powder and aluminium powder is 1:1.
Further, the coupling agent is silane coupling agent, and the levelling agent is organosilicon levelling agent.
Further, the mixed solvent is the mixed solvent of toluene and butanol that volume ratio is 1:1.
Further, the initiator is dibenzoyl peroxide, and the chain-transferring agent is lauryl mercaptan.
Further, the solvent is n-butanol.
[embodiment 2]
A kind of high-solid lower-viscosity anticorrosion of steel structure paint, by the material composition of following mass fraction:
280 parts of high-solid lower-viscosity resin,
19 parts of modifier,
7 parts of dispersing agent,
7 parts of defoaming agent,
280 parts of titanium dioxide,
125 parts of feldspar powder,
60 parts of flaky mica powder, aluminium powder,
BaSO4120 parts of powder,
2.5 parts of thixotropic agent,
14 parts of coupling agent,
3.5 parts of levelling agent,
70 parts of mixed solvent.
Further, the high-solid lower-viscosity resin is prepared by the raw material of following mass fraction: 2.0 parts of acrylic acid, third
10 parts of olefin(e) acid ethyl ester, 20 parts of hydroxypropyl acrylate, 20 parts of butyl acrylate, 16 parts of butyl methacrylate, methyl methacrylate
17.8 parts of ester, 30 parts of styrene, 4.5 parts of initiator, 2.0 parts of chain-transferring agent, 28 parts of solvent；The preparation of the high-solid lower-viscosity resin
Step includes: the four-hole boiling flask that (1) takes clean dried, installs electric mixer, cold respectively on four mouths on four-hole boiling flask
Condenser, constant pressure funnel and thermometer；(2) raw material for preparing high-solid lower-viscosity resin is weighed by the mass fraction, for use；
(3) weighed 2/3 solvent is added into four-hole boiling flask, opens condensed water and is condensed back, and be passed through inert gas nitrogen
Gas is to drain the air in four-hole boiling flask, and under the protection atmosphere of nitrogen, the stirring rate 500r/min kept constant is heated to
Stablize reflux temperature 135oC；(3) monomeric acrylic, ethyl acrylate, hydroxypropyl acrylate, butyl acrylate, metering system are taken
Acid butyl ester, methyl methacrylate, styrene and 7/12 initiator, using constant pressure funnel with constant drop rate
Dropwise addition monomer and initiator, time for adding 3.0 hours, insulation reaction 1.8 hours；(4) it is successively added using constant pressure funnel
Remaining initiator and solvent insulation reaction 1 hour, are cooled to 30oC discharging, deionized water washing, filtering, it is dry to get
To high-solid lower-viscosity resin.
Further, the dispersing agent is acrylic system dispersing agent 610S, and the defoaming agent is aliphatic hydrocarbon.
Further, the mass ratio of the flaky mica powder and aluminium powder is 3:1.
Further, the coupling agent is silane coupling agent, and the levelling agent is organosilicon levelling agent.
Further, the mixed solvent is mixed by butanol, the butyl ether that volume ratio is 3:2.
Further, the initiator is dilauroyl peroxide, and the chain-transferring agent is mercaptoethanol.
Further, the solvent is dimethylbenzene.
[embodiment 3]
A kind of high-solid lower-viscosity anticorrosion of steel structure paint, by the material composition of following mass fraction:
290 parts of high-solid lower-viscosity resin,
25 parts of modifier,
8 parts of dispersing agent,
8 parts of defoaming agent,
300 parts of titanium dioxide,
150 parts of feldspar powder,
80 parts of flaky mica powder, aluminium powder,
BaSO4200 parts of powder,
3.5 parts of thixotropic agent,
18 parts of coupling agent,
4.5 parts of levelling agent,
75 parts of mixed solvent.
Further, the high-solid lower-viscosity resin is prepared by the raw material of following mass fraction: 2.5 parts of acrylic acid, third
18 parts of olefin(e) acid ethyl ester, 23 parts of hydroxypropyl acrylate, 28 parts of butyl acrylate, 19.5 parts of butyl methacrylate, methacrylic acid
21 parts of methyl esters, 38 parts of styrene, 5 parts of initiator, 2.5 parts of chain-transferring agent, 30 parts of solvent；The preparation of the high-solid lower-viscosity resin walks
Suddenly include: the four-hole boiling flask that (1) takes clean dried, install electric mixer, condensation respectively on four mouths on four-hole boiling flask
Device, constant pressure funnel and thermometer；(2) raw material for preparing high-solid lower-viscosity resin is weighed by the mass fraction, for use；
(3) weighed 3/4 solvent is added into four-hole boiling flask, opens condensed water and is condensed back, and be passed through inert gas nitrogen
Gas is to drain the air in four-hole boiling flask, and under the protection atmosphere of nitrogen, the stirring rate 600r/min kept constant is heated to
Stablize reflux temperature 140oC；(3) monomeric acrylic, ethyl acrylate, hydroxypropyl acrylate, butyl acrylate, metering system are taken
Acid butyl ester, methyl methacrylate, styrene and 2/3 initiator, using constant pressure funnel with constant drop rate
Dropwise addition monomer and initiator, time for adding 3.5 hours, insulation reaction 2 hours；(4) it is successively added using constant pressure funnel surplus
Remaining initiator and solvent insulation reaction 1 hour, is cooled to 30oC discharging, deionized water washing, filtering, drying are to get arriving
High-solid lower-viscosity resin.
Further, the dispersing agent is acrylic system dispersing agent 610S, and the defoaming agent is that polyoxypropylene aoxidizes second
Alkene glycerin ether.
Further, the mass ratio of the flaky mica powder and aluminium powder is 4:1.
Further, the coupling agent is silane coupling agent, and the levelling agent is organosilicon levelling agent.
Further, the mixed solvent is mixed by the toluene, butanol, cyclohexanone of volume ratio 1:2:1.
Further, the initiator is azodiisobutyronitrile, and the chain-transferring agent is aliphatic mercaptan.
Further, the solvent is n,N-Dimethylformamide.
Above embodiments are only exemplary embodiment of the present invention, are not used in the limitation present invention, protection scope of the present invention
It is defined by the claims.Those skilled in the art can within the spirit and scope of the present invention make respectively the present invention
Kind modification or equivalent replacement, this modification or equivalent replacement also should be regarded as being within the scope of the present invention.
Claims (9)
1. a kind of high-solid lower-viscosity anticorrosion of steel structure paint, which is characterized in that by the material composition of following mass fraction:
260-290 parts of high-solid lower-viscosity resin,
15-25 parts of modifier,
6-8 parts of dispersing agent,
6-8 parts of defoaming agent,
250-300 parts of titanium dioxide,
100-150 parts of feldspar powder,
40-80 parts of flaky mica powder, aluminium powder,
BaSO450-200 parts of powder,
1.5-3.5 parts of thixotropic agent,
10-18 parts of coupling agent,
2.5-4.5 parts of levelling agent,
65-75 parts of mixed solvent.
2. a kind of high-solid lower-viscosity anticorrosion of steel structure paint according to claim 1, which is characterized in that the high-solid lower-viscosity tree
Rouge is prepared by the raw material of following mass fraction: 1.5-2.5 parts of acrylic acid, 2-18 parts of ethyl acrylate, hydroxypropyl acrylate
18-23 parts, 10-28 parts of butyl acrylate, 14.5-19.5 parts of butyl methacrylate, 14.8-21 parts of methyl methacrylate,
22-38 parts of styrene, 4-5 parts of initiator, 1.5-2.5 parts of chain-transferring agent, 25-30 parts of solvent.
3. a kind of high-solid lower-viscosity anticorrosion of steel structure paint according to claim 1 or 2, which is characterized in that described high solid low
The preparation step of viscosity resin includes: the four-hole boiling flask that (1) takes clean dried, and installing is electric respectively on four mouths on four-hole boiling flask
Dynamic blender, condenser, constant pressure funnel and thermometer；(2) mass fraction as described in claim 2 weighs raw material, to
With；(3) solvent of weighed 2/3-3/4 is added into four-hole boiling flask, opens condensed water and is condensed back, and be passed through inertia
Gas nitrogen is to drain the air in four-hole boiling flask, under the protection atmosphere of nitrogen, the stirring rate 400r/min- that keeps constant
600r/min is heated to stablizing reflux temperature 130-140oC；(3) take monomeric acrylic, ethyl acrylate, hydroxypropyl acrylate,
Butyl acrylate, butyl methacrylate, methyl methacrylate, styrene and 1/2-2/3 initiator, dripped using constant pressure
Monomer and initiator is added dropwise with constant drop rate in liquid funnel, and time for adding 2.5-3.5 hours, insulation reaction 1.5-2 hours；
(4) remaining initiator and solvent are successively added using constant pressure funnel, insulation reaction 1 hour, are cooled to 25-30oC goes out
Material, it is deionized water washing, filtering, dry to get arriving high-solid lower-viscosity resin.
4. a kind of high-solid lower-viscosity anticorrosion of steel structure paint according to claim 1, which is characterized in that the dispersing agent is third
Olefin(e) acid system dispersing agent 610S, the defoaming agent are one of polyoxypropylene ethylene oxide glycerin ether, aliphatic hydrocarbon, aromatic hydrocarbon.
5. a kind of high-solid lower-viscosity anticorrosion of steel structure paint according to claim 1, which is characterized in that the flaky mica powder
Mass ratio with aluminium powder is 1:1-4:1.
6. a kind of high-solid lower-viscosity anticorrosion of steel structure paint according to claim 1, which is characterized in that the coupling agent is silicon
Alkane coupling agent, the levelling agent are organosilicon levelling agent.
7. a kind of high-solid lower-viscosity anticorrosion of steel structure paint according to claim 1, which is characterized in that the mixed solvent by
Two or more in toluene, butanol, butyl ether and cyclohexanone mixes.
8. a kind of high-solid lower-viscosity anticorrosion of steel structure paint according to claim 2, which is characterized in that the initiator was
One of dibenzoyl, dilauroyl peroxide, oxidation t-butyl perbenzoate, azobisisoheptonitrile, azodiisobutyronitrile are aoxidized,
The chain-transferring agent is one of aliphatic mercaptan, lauryl mercaptan, mercaptoethanol.
9. a kind of high-solid lower-viscosity anticorrosion of steel structure paint according to claim 2, which is characterized in that the solvent is positive fourth
One of alcohol, toluene, dimethylbenzene, N,N-dimethylformamide, tetrahydrofuran.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910181441.9A CN109868014A (en) | 2019-03-11 | 2019-03-11 | A kind of high-solid lower-viscosity anticorrosion of steel structure paint |
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| CN201910181441.9A CN109868014A (en) | 2019-03-11 | 2019-03-11 | A kind of high-solid lower-viscosity anticorrosion of steel structure paint |
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| CN109868014A true CN109868014A (en) | 2019-06-11 |
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| CN201910181441.9A Pending CN109868014A (en) | 2019-03-11 | 2019-03-11 | A kind of high-solid lower-viscosity anticorrosion of steel structure paint |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948998A (en) * | 2018-07-27 | 2018-12-07 | 史丹龙涂料（常州）有限公司 | It is ultrafast to do high setting polyurethane paint and preparation method thereof |
-
2019
- 2019-03-11 CN CN201910181441.9A patent/CN109868014A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108948998A (en) * | 2018-07-27 | 2018-12-07 | 史丹龙涂料（常州）有限公司 | It is ultrafast to do high setting polyurethane paint and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 叶扬祥等: "《涂装技术实用手册》", 31 March 1998, 机械工业出版社 * |
| 胡飞燕等: "《涂料基础配方与工艺》", 30 June 2013, 东华大学出版社 * |
| 骆惠等: ""高固低粘羟基丙烯酸树脂的合成及性能"", 《江南大学学报（自然科学版）》 * |
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