CN106978073B - A kind of acrylate modified abietyl alkyd resin anticorrosion paint and preparation method thereof - Google Patents

A kind of acrylate modified abietyl alkyd resin anticorrosion paint and preparation method thereof Download PDF

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CN106978073B
CN106978073B CN201710283995.0A CN201710283995A CN106978073B CN 106978073 B CN106978073 B CN 106978073B CN 201710283995 A CN201710283995 A CN 201710283995A CN 106978073 B CN106978073 B CN 106978073B
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parts
alkyd
acrylate modified
rosin based
abietyl
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CN106978073A (en
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李晓光
贾国庆
吴伟
曹亚红
闫绍青
陶波
巩清军
韩乾
戴平
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BEFAR GROUP CO LTD
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Shandong Binzhou Jiayuan Environmental Protection Co Ltd
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Abstract

The present invention relates to a kind of acrylate modified abietyl alkyd resin anticorrosion paints and preparation method and application.The coating is made of acrylate modified rosin based alkyd, 100# solvent naphthas, dimethylbenzene, barium sulfate, titanium dioxide, talcum powder and auxiliary agent.Preparation method and application the present invention also provides acrylate modified abietyl alkyd resin anticorrosion paint.Diluent is added during use to be uniformly mixed, and is sprayed or is brushed to surface substrate to be coated in 8h, the adhesive force of coating, impact strength are good, and the resistance to mist of weatherability, salt tolerant is good;The anticorrosive paint of the present invention is used for the preservative treatment of the facilities such as petrochemical equipment, offshore drilling platforms, bridge spanning the sea, desalination plant, sea transport, generating equipment.

Description

A kind of acrylate modified abietyl alkyd resin anticorrosion paint and preparation method thereof
Technical field
The present invention relates to a kind of acrylate modified abietyl alkyd resin anticorrosion paints and preparation method and application, belong to In anticorrosive paint technology field.
Background technology
The object being exposed in atmospheric environment can be corroded by various corrosion factors, contact the container of various corrosive mediums Inner wall, treatment tank, harbour facility etc. often receive various machinery punchings in erosion state, all products and equipment throughout the year Hit, scratch, the washing away of violent storm, the corrosion of dust storm etc., be required to coating and protected.At present, existing anticorrosive paint master There are alkyd resin class, epoxy resin, polyurethanes, polyesters, chlorinated polyolefin hydro carbons etc., wherein alkyd resin class coating is A kind of coating of domestic production amount maximum at present.With cheap, construction is simple, of less demanding to construction environment, film is rich The advantages that full hard, durability and preferable, decorative and protective all relatively good weatherability.
Alkyd resin is prepared by passing through polycondensation reaction one using polyalcohol, polyacid and aliphatic acid as primary raw material Since synthetic technology is ripe, raw material is easy to get, resin coating film good combination property, alkyd resin has become in synthetic resin kind polymer One of kind that dosage is maximum, purposes is most wide.Alkyd resin anticorrosion paint has following characteristic:(1) application is easy, uses no gas Spraying is brushed, and roller coating can.(2) wettability is good.Surface adhesion force is good, and permeability is strong.(3) weather resistance is good, surface light Pool and color stability are good.(4) usually easier than two-component paint use, construction period easily repaiies film defect It mends, good leveling property.But alkyd resin anticorrosion paint water resistance is limited, is generally resistant to common outdoor moisture, but not It is used in environment that can be under water or especially moist.Alkyd resin coating film thickness is limited, difference of hardness, usually 30-50 microns, special Different coating is up to 80 microns.This also significantly limits the use limitation of alkyd resin anticorrosion paint.
At present, it has been reported that and makes up the deficiency of alkyd resin anticorrosion paint by being modified to alkyd resin.Such as water The amino modified alkyd resin of dissolubility is to add in amino resins in water soluble alkyd resin to be modified manufactured modified resin. Modified amino resins used is mainly hexamethoxymethyl melamine resin.The addition of amino resins 10%-30% it Between, it is adjusted according to the difference of alkyd resin oil content.With coating made of the resin, hardness of film, gloss and anticorrosion Property all increases, but paint film embrittlement, and adhesive force, light resistance are all to be improved.
CN 104449287A (CN201410675158.9) disclose alkyd resin coating and its preparation side of a kind of modification Method, modified alkyd resin coating it be made of the raw material of following weight parts:Long oil alkyd:140~160;200# solvents: 50~60;EFKA-5054:1.5~2.5;BYK-052:0.3~0.7;Calcium iso-octoate -4%:4~6;Organobentonite:2~ 3;Ultramarine blue 08:0.2~0.4;Titanium dioxide R-996:140~160;Blanc fixe:80~100.Preparation method includes:It is standby Material, pretreatment, premixing are sanded.The enamel paint has excellent anticorrosive property, water resistance, weatherability, frost resistance.The patent is not Foot part is the long oil alkyd used in raw material for market purchasing, and quality stability is difficult to ensure that, cost of material compared with It is high;Be divided into this method stock, pretreatment, premix, be sanded and etc. technique it is more complicated, low production efficiency. CN105602388A (CN201610037893.6) alkyd resin modified acroleic acid anticorrosive paint of a kind of nucleocapsid and preparation method thereof is disclosed, The invention belongs to chemical anticorrosion paint fields.The anticorrosive paint is prepared by following component by weight:Aqueous alcoholic Acid resin 40~50, reaction monomers 45~63, pigment 15~20, deionized water 64~131, antifoaming agent 1~2, initiator 0.12 ~0.38.The barrier propterty of anticorrosive paint prepared by the present invention has adhesive force better than acrylic acid and the anticorrosive paint of alkyd By force, the features such as mechanical strength is good, corrosion resistant performance is excellent, splendid weatherability.The patent is disadvantageous in that water resistance is poor, And cost is higher;The more difficult technology requirement for meeting industrial anticorrosive paint of paint film property.
In addition, the modified alkyd resin coating occurred in succession in recent years further includes styrenated alkyd coating, third Olefin(e) acid modified alkyd resin coating, phenol-modified alkyd resin coating, silicone alkyd coating etc..What these were modified Phthalic resin coating respectively has feature, also each defective.For example, the hardness of paint film of phenol-modified alkyd resin, water resistance improve, But solvent resistance and yellowing resistance decline;For another example, silicone alkyd improves weather-proof due to introducing Si-O-Si keys Property, but the adhesive force of coating declines.Therefore, improving the comprehensive performance of phthalic resin coating becomes a technology difficulty of the industry Topic.
Invention content
In view of the deficiencies of the prior art, the present invention provide a kind of acrylate modified abietyl alkyd resin anticorrosion paint and Preparation method.
The present invention also provides a kind of applications of acrylate modified abietyl alkyd resin anticorrosion paint.
Summary of the invention:
The present invention introduces abietyl, and pass through acrylate to rosin using maleopimaric anhydride in alkyd resin synthesis Based alkyd is modified, and the more traditional alkyd resin of the modified alkyd resin synthesized has shorter surface drying, does solid work.Gained The anticorrosive paint of acrylate modified rosin based alkyd composition has better impact resistance, adhesive force and resistance to medium etc. Property.
Detailed description of the invention:
A kind of acrylate modified abietyl alkyd resin anticorrosion paint, is made of the raw material of following parts by weight:
A. 45-75 parts of acrylic acid modified rosin based alkyd,
B.100# solvent naphtha, 3-8 parts,
C. dimethylbenzene, 4-10 parts,
D. barium sulfate, 3-8 parts,
E. titanium dioxide, 5-30 parts,
F. talcum powder, 1-7 parts,
G. auxiliary agent, 0.1-0.2 parts;
Wherein, the acrylic acid modified rosin based alkyd is acrylate and rosin based alkyd by (10- 12):(88-90 parts) weight ratio mixes, and is synthesized at a temperature of 230~250 DEG C, and it is 40-60s that form tube method, which measures viscosity, with opening Thin liquid opens dilute to acrylic acid modified rosin based alkyd mass fraction 50~60%;
The auxiliary agent is this 983 dispersant of hamming.Commercial disignation Disponer983.
According to currently preferred, the thin liquid of opening is 200# solvent naphthas, butyl acetate, dimethylbenzene by (6~9):(1~ 1.5):The combination of the weight ratio of (1~1.5).
According to a kind of currently preferred, acrylate modified abietyl alkyd resin anticorrosion paint, by following weight The raw material of part is made:
A. 50-70 parts of acrylic acid modified rosin based alkyd,
B.100# solvent naphtha, 4-8 parts,
C. dimethylbenzene, 5-10 parts
D. barium sulfate, 4-8 parts,
E. titanium dioxide, 10-20 parts,
F. talcum powder, 2-6 parts,
G. auxiliary agent, 0.1-0.2 parts.
According to a kind of currently preferred, acrylate modified abietyl alkyd resin anticorrosion paint, by following weight The raw material of part is made:
60 parts of acrylate modified rosin based alkyd, 6 parts of 100# solvents, 8.8 parts of dimethylbenzene, 16 parts of titanium dioxide, 6 parts of barium sulfate, 3 parts of talcum powder, auxiliary agent are 0.2 part of hamming this -983 dispersant.
According to currently preferred, the acrylic acid modified rosin based alkyd number-average molecular weight 1500~ 3000, the further preferred acrylic acid modified rosin based alkyd number-average molecular weight 1500~2000,2000~2500 Or 2500~3000.
According to the present invention, commercial products may be used in the acrylate raw material.The acrylic acid of stable quality in order to obtain Ester raw material, present invention preferably employs following methods to be synthesized:
A kind of synthetic method of acrylate, including:Under nitrogen protection, dimethylbenzene, methyl-prop are added in into reactor E pioic acid methyl ester, is heated to 70~80 DEG C, and tetrabutyl xylic acid hydrogen ammonium, this exothermic heat of reaction is then slowly added dropwise, and control temperature exists 140 DEG C or so, after reacting a period of time, after temperature falls back to 90 DEG C, acrylic acid and styrene are added in, is warming up to 110~125 DEG C heat preservation is to 300~360s of viscosity, discharging;The parts by weight of raw materials proportioning is as follows:
8~10 parts of acrylic acid, 20~30 parts of styrene, 40~50 parts of dimethylbenzene, 10~20 parts of methyl methacrylate, four 0.8~2 part of butyl xylic acid hydrogen ammonium.
In the present invention, the rosin based alkyd raw material may be used commercial products or be synthesized by the prior art.For Obtain the rosin based alkyd raw material of stable quality, present invention preferably employs following methods to be synthesized:
A kind of synthetic method of rosin based alkyd, including:By vegetable oil, pentaerythrite, dimethylbenzene, maleopimaric acid Acid anhydride, benzoic acid are added in reaction kettle, and nitrogen protection 10-20min is rapidly heated to 160~170 DEG C, is then to slowly warm up to again It 220~240 DEG C, keeps the temperature to viscosity and reaches 20-30s, form tube method is measured to get rosin based alkyd;The raw material weight Part proportioning is as follows:
45-52 parts of vegetable oil, 15-20 parts of pentaerythrite, 4-10 parts of dimethylbenzene, 20-25 parts of maleopimaric anhydride, benzoic acid 2-4 parts.
In more than rosin based alkyd synthetic method, the heating rate being rapidly heated is 40~50 DEG C/h;It is described The heating rate slowly to heat up is 8~10 DEG C/h.Slow heating is intended to enough time and brings out the moisture in reaction system.
According to the present invention, a kind of preparation method of acrylate modified abietyl alkyd resin anticorrosion paint, including step It is as follows:
(1) synthesis of acrylate modified rosin based alkyd
At a temperature of 140~150 DEG C, acrylate is added in rosin based alkyd by proportioning, is to slowly warm up to 230 It~250 DEG C, keeps the temperature to viscosity 40-60s, form tube method measures, and obtains acrylate modified rosin based alkyd;
The acrylate modified rosin based alkyd of gained, is first cooled to 160~180 DEG C, with 200# solvent naphthas, acetic acid fourth Ester, dimethylbenzene press (6~9):(1~1.5):The thin liquid of opening of (1~1.5) weight ratio opens dilute to mass fraction 50~60%, cooling It is spare afterwards;
(2) by proportioning, dilute rear spare acrylic acid modified rosin based alkyd, 100# solvents, dimethylbenzene, titanium white will be opened Powder, barium sulfate, talcum powder and auxiliary agent mixing, ground, high speed dispersion, filtering to get.
The method according to the invention by the viscosity for controlling acrylate modified rosin based alkyd different, obtains respectively To different molecular weight ranges product, it is preferred that the acrylate modified rosin based alkyd number-average molecular weight of gained for 1500~ 2000th, 2000~2500,2500~3000.
According to currently preferred, acrylate modified rosin based alkyd, is first cooled to obtained by above step (1) 180 DEG C, then 8 are pressed with 200# solvent naphthas, butyl acetate, dimethylbenzene:1:1 weight ratio is opened dilute to 50~60% mass point Number, it is spare after cooling, in case making finished product paint below, post-coatings production efficiency can be improved.Acrylate obtained by step (1) changes Property rosin based alkyd can not also open it is dilute, because the resin viscosity is big, when paint need to add out again dilute dose carry out out it is dilute.
The application of the acrylate modified abietyl alkyd resin anticorrosion paint of the present invention, wherein, when in use, it need to add dilute It releases agent to be uniformly mixed, be sprayed in 8h or brushes to surface substrate to be coated.The preferred dimethylbenzene of the diluent or 100# solvent naphthas. The diluent dosage is generally 10-25wt%, in terms of the weight of acrylate modified abietyl alkyd resin anticorrosion paint.It presses This field routine techniques.
The application of the acrylate modified abietyl alkyd resin anticorrosion paint of the present invention, for petrochemical equipment, city Infrastructure, offshore drilling platforms, bridge spanning the sea, water desalination apparatus, sea transport, generating equipment and power transmission and distribution steel tower, The preservative treatment of the facilities such as port and pier machinery and equipment.
The technical characterstic and advantageous effect of the present invention:
1st, the present invention is using acrylic acid, methyl methacrylate (MMA) and styrene as the third of material copolymerization synthesis modification Olefin(e) acid ester, using maleopimaric anhydride, pentaerythrite as main Material synthesis rosin based alkyd, then with acrylate to pine Perfume base alkyd resin is modified, and obtains that viscosity is controllable, modified rosin based alkyd of adjustable molecular weight control, can be replaced traditional Modified alkyd resin is widely used.
2nd, acrylic resin has excellent guarantor's color gloss retention and durability but richness is poor, application property is poor;Alkyd tree Fat is with application property is good, film richness is high, flexibility is good, but drying time is long, hardness is low, poor water resistance, protects light colour retention Difference.Maleopimaric anhydride (MPA) of the invention synthesizes rosin based alkyd, not only changes the single characteristic of phthalic anhydride, also draws The excellent performance of rosin and maleic anhydride is entered, the rosin based alkyd of synthesis easily forms reticular structure and hands over Connection is conducive to improve the rate of drying of film, while the cyclic structure in molecule can improve the hardness of film, water resistance etc.. The more traditional modified alkyd resin of acrylate modified rosin based alkyd has shorter surface drying, does solid work, better impact resistance Property.
3rd, the impact strength of the acrylate modified abietyl alkyd resin anticorrosion paint coating of present invention gained is good, flexible Property is good, and the resistance to mist of weatherability, salt tolerant is good, the excellent combination properties such as adhesive force and resistance to medium, can be widely applied to petrochemical industry Equipment, urban infrastructure, offshore drilling platforms, bridge spanning the sea, water desalination apparatus, sea transport, generating equipment with it is defeated The fields such as distribution steel tower, port and pier machinery and equipment.
Specific embodiment
With reference to embodiment, the present invention will be further described, but not limited to this.
In addition to special instruction, raw materials used in embodiment is commercial product, the raw material dosage be parts by weight or Weight ratio.This -983 dispersant (the modest dispersant 983, Disponer983 of this moral of hamming) Shanghai butterfly woods chemical industry of hamming used is limited Company is on sale.
First, acrylate used is prepared as follows in embodiment:
Under nitrogen protection, dimethylbenzene, methyl methacrylate are added in into reaction kettle, is heated to 75 DEG C, then slowly Tetrabutyl xylic acid hydrogen ammonium is added dropwise, this exothermic heat of reaction, control temperature is at 140 DEG C or so, after reacting a period of time, treats that temperature is returned After falling on 90 DEG C, acrylic acid and styrene are added in, is warming up to 120 DEG C of heat preservations to 320~340s of viscosity, discharging;The raw material weight It is as follows to measure part proportioning:10 parts of acrylic acid, 29 parts of styrene, 45 parts of dimethylbenzene, 15 parts of methyl methacrylate, tetrabutyl dimethylbenzene Sour 1 part of hydrogen ammonium.
The present inventor has found that commercial acrylate quality is susceptible to fluctuation during the experiment, influences modified effect below Fruit, the acrylate quality more easy to control prepared by the above process.
2nd, rosin based alkyd used is prepared as follows in embodiment:
49 parts of vegetable oil, 18 parts of pentaerythrite, 7 parts of dimethylbenzene, 23 parts of maleopimaric anhydride, 3 parts of benzoic acid are added in anti- It answers in kettle, heats up after nitrogen protection 15min, be rapidly heated to 165 DEG C, then be to slowly warm up to 230 ± 5 DEG C, keep the temperature to viscosity and reach To 20~30s (form tube method measure) to get rosin based alkyd;Raw material as embodiment 1-3.
Embodiment 1:The preparation of the acrylate modified rosin based alkyd of 1500~2000 molecular weight
The rosin based alkyd of synthesis is cooled to 150 DEG C, adds in acrylate, acrylate and abietyl alkyd tree The weight ratio of fat is 12:88,240 ± 5 DEG C are to slowly warm up to, is kept the temperature to 40~50s of viscosity qualification (form tube method measure), gained Acrylate modified rosin based alkyd molecular weight ranges are about 1500~2000.
8 are pressed with 200# solvent naphthas, butyl acetate, dimethylbenzene:1:1 ratio is opened dilute to acrylate modified abietyl alkyd Resin quality score 60% is spare.
Embodiment 2:The preparation of the acrylate modified rosin based alkyd of 2000~2500 molecular weight
The rosin based alkyd of synthesis is cooled to 150 DEG C, adds in acrylate, acrylate and abietyl alkyd tree The weight ratio of fat is 11:89,240 ± 5 DEG C are to slowly warm up to, is kept the temperature to viscosity in 50~55s (form tube method measure), gained Acrylate modified rosin based alkyd molecular weight ranges are about 2000~2500, with 200# solvent naphthas, butyl acetate, two Toluene presses 8:1:1 ratio is opened dilute spare to acrylate modified rosin based alkyd mass fraction 60%.
Embodiment 3:The preparation of the acrylate modified rosin based alkyd of 2500~3000 molecular weight
The rosin based alkyd of synthesis is cooled to 150 DEG C, adds in acrylate, acrylate and abietyl alkyd tree The weight ratio of fat is 10:90,240 ± 5 DEG C are to slowly warm up to, is kept the temperature to 55~60s of viscosity qualification (form tube method measure), institute It is about 2500~3000 to obtain acrylate modified rosin based alkyd molecular weight ranges, with 200# solvent naphthas, butyl acetate, two Toluene presses 8:1:1 ratio is opened dilute spare to acrylate modified rosin based alkyd mass fraction 60%.
The preparation of embodiment 4, acrylate modified abietyl alkyd resin anticorrosion paint
Dilute rear acrylate modified rosin based alkyd (molecular weight 1500~2000) 65 is opened by prepared by embodiment 1 Part, 4 parts of 100# solvents, 8 parts of dimethylbenzene, 14.9 parts of titanium dioxide, 4 parts of barium sulfate, 2 parts of talcum powder, auxiliary agent for hamming this -983 Modified alkyd resin anticorrosion coating material is obtained by filtration in 0.1 part of dispersant, ground, high speed dispersion;
It is mixed in application, obtained modified alkyd resin anticorrosion coating material is added in 15wt% diluents dimethylbenzene It is even, it sprays or is brushed to surface substrate to be coated in 8h.By this field routine techniques.
Embodiment 5,
Dilute rear acrylate modified rosin based alkyd (molecular weight 2000~2500) 60 is opened by prepared by embodiment 2 Part, 6 parts of 100# solvents, 7 parts of dimethylbenzene, 15.8 parts of titanium dioxide, 6 parts of barium sulfate, 5 parts of talcum powder, auxiliary agent be hamming this -983 Modified alkyd resin anticorrosion coating material is obtained by filtration in 0.2 part of dispersant, ground, high speed dispersion;
It is mixed in application, obtained modified alkyd resin anticorrosion coating material is added in 15wt% diluents dimethylbenzene It is even, it sprays or is brushed to surface substrate to be coated in 8h.By this field routine techniques.
Embodiment 6,
Dilute rear acrylate modified rosin based alkyd (molecular weight 2500~3000) 58 is opened by prepared by embodiment 3 Part, 5 parts of 100# solvents, 10 parts of dimethylbenzene, 16 parts of titanium dioxide, 6 parts of barium sulfate, 4.8 parts of talcum powder, auxiliary agent be hamming this -983 Modified alkyd resin anticorrosion coating material is obtained by filtration in 0.2 part of dispersant, ground, high speed dispersion;
It is mixed in application, obtained modified alkyd resin anticorrosion coating material is added in 15wt% diluents dimethylbenzene It is even, it sprays or is brushed to surface substrate to be coated in 8h.By this field routine techniques.
The properties of product experiment of above-described embodiment 1-3, is listed in the table below in 1.Comparative example is the shore board propylene of conventional commercial Sour modified alkyd resin anticorrosive paint.The base material of this performance test is (50mm × 120mm for the size as defined in GB/T 9271 × 0.2~0.30mm) tinplate, it is (30 ± 5) μm that paint film preparation method sprays twice thickness of dry film by GB/T 1727, is painted Film is tested in 9278 times dryings of rated condition GB/T after 72 hours.
Table 1,

Claims (10)

1. a kind of acrylate modified abietyl alkyd resin anticorrosion paint, it is characterised in that by the raw material system of following parts by weight Into:
A. 45-75 parts of acrylic acid modified rosin based alkyd,
B. 100# solvent naphthas, 3-8 parts,
C. dimethylbenzene, 4-10 parts,
D. barium sulfate, 3-8 parts,
E. titanium dioxide, 5-30 parts,
F. talcum powder, 1-7 parts,
G. auxiliary agent, 0.1-0.2 parts;
Wherein, the acrylic acid modified rosin based alkyd be acrylate with rosin based alkyd by(10-12): (88-90)Part weight ratio mixing, synthesizes, it is 40-60s that form tube method, which measures viscosity, is opened with thin liquid is opened at a temperature of 230 ~ 250 DEG C Dilute to acrylic acid modified rosin based alkyd mass fraction 50~60%;
The auxiliary agent is this 983 dispersant of hamming.
2. acrylate modified abietyl alkyd resin anticorrosion paint as described in claim 1, it is characterised in that described to open Thin liquid be 200# solvent naphthas, butyl acetate, dimethylbenzene by(6~9):(1~1.5):(1~1.5)Weight ratio combination.
3. acrylate modified abietyl alkyd resin anticorrosion paint as described in claim 1, which is characterized in that by following The raw material of parts by weight is made:
A. 50-70 parts of acrylic acid modified rosin based alkyd,
B. 100# solvent naphthas, 4-8 parts,
C. dimethylbenzene, 5-10 parts
D. barium sulfate, 4-8 parts,
E. titanium dioxide, 10-20 parts,
F. talcum powder, 2-6 parts,
G. auxiliary agent, 0.1-0.2 parts.
4. acrylate modified abietyl alkyd resin anticorrosion paint as described in claim 1, which is characterized in that by following The raw material of parts by weight is made:
60 parts of acrylate modified rosin based alkyd, 6 parts of 100# solvent naphthas, 8.8 parts of dimethylbenzene, 16 parts of titanium dioxide, sulphur Sour 6 parts of barium, 3 parts of talcum powder, auxiliary agent are 0.2 part of hamming this 983 dispersant.
5. such as the acrylate modified abietyl alkyd resin anticorrosion paint of Claims 1 to 4 any one of them, feature exists In, the acrylate modified rosin based alkyd number-average molecular weight for 1500~2000,2000~2500 or 2500~ 3000。
6. acrylate modified abietyl alkyd resin anticorrosion paint as described in claim 1, which is characterized in that described third Olefin(e) acid ester synthesizes by the following method:
Under nitrogen protection, dimethylbenzene, methyl methacrylate are added in into reactor, is heated to 70 ~ 80 DEG C, is then slowly dripped Add tetrabutyl xylic acid hydrogen ammonium, this exothermic heat of reaction, control temperature is at 140 DEG C or so, after reacting a period of time, treats that temperature is fallen after rise To after 90 DEG C, acrylic acid and styrene are added in, is warming up to 110 ~ 125 DEG C of heat preservations to 300~360s of viscosity, discharging;The raw material Weight is as follows:
8~10 parts of acrylic acid, 20~30 parts of styrene, 40~50 parts of dimethylbenzene, 10~20 parts of methyl methacrylate, the tetrabutyl 0.8~2 part of xylic acid hydrogen ammonium.
7. acrylate modified abietyl alkyd resin anticorrosion paint as described in claim 1, which is characterized in that the institute Rosin based alkyd is stated to synthesize by the following method:
Vegetable oil, pentaerythrite, dimethylbenzene, maleopimaric anhydride, benzoic acid are added in reaction kettle, nitrogen protection 10- 20min is rapidly heated to 160 ~ 170 DEG C, is then to slowly warm up to 220 ~ 240 DEG C again, keeps the temperature to viscosity and reach 20-30s, form Tube method is measured to get rosin based alkyd;The parts by weight of raw materials proportioning is as follows:
45-52 parts of vegetable oil, 15-20 parts of pentaerythrite, 4-10 parts of dimethylbenzene, 20-25 parts of maleopimaric anhydride, benzoic acid 2-4 Part.
8. acrylate modified abietyl alkyd resin anticorrosion paint as claimed in claim 7, which is characterized in that described fast The heating rate of speed heating is 40~50 DEG C/h;The heating rate slowly to heat up is 8~10 DEG C/h.
9. a kind of preparation method of acrylate modified abietyl alkyd resin anticorrosion paint, as follows including step:
(1)The synthesis of acrylate modified rosin based alkyd
At a temperature of 140 ~ 150 DEG C, acrylate is added in rosin based alkyd by proportioning, is to slowly warm up to 230 ~ 250 DEG C, it keeps the temperature to viscosity 40-60s, form tube method measures, and obtains acrylate modified rosin based alkyd;
The acrylate modified rosin based alkyd of gained, is first cooled to 160 ~ 180 DEG C, with 200# solvent naphthas, butyl acetate, two Toluene is pressed(6~9):(1~1.5):(1~1.5)The thin liquid of opening of weight ratio opens dilute to acrylate modified rosin based alkyd quality Score 50~60%, it is spare after cooling;
(2)By proportioning, will open it is dilute after spare acrylic acid modified rosin based alkyd, 100# solvents, dimethylbenzene, titanium dioxide, Barium sulfate, talcum powder and auxiliary agent mixing, ground, high speed dispersion, filtering to get.
10. the preparation method of acrylate modified abietyl alkyd resin anticorrosion paint as claimed in claim 9, feature exist In step(1)Described in open thin liquid proportioning be 200# solvent naphthas:Butyl acetate:Dimethylbenzene=8:1:1 weight ratio.
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