CN109822261A - A kind of steady splash-proof welding agent of high fever - Google Patents
A kind of steady splash-proof welding agent of high fever Download PDFInfo
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Abstract
The invention discloses a kind of steady splash-proof welding agents of high fever, belong to metal welding splash-proof chemical assistant field.The present invention is added to organic selenium class compound, generates metal selenide thin film, while improving the stability of oily matter, can avoid the adherency of the metallic particles to splash and welding object；Acidleach removal acid-soluble ingredient therein is carried out to vermiculite and gets through hole and adsorbable citrate, isocyanates is mixed into and mixed processing of pressurizeing, gets through hole, improves adsorption effect, vermiculite expanded by heating, convenient for the metallic particles of centralized processing absorption；It, can effectively stable raising anti-splashing effect using the polymer gel processed such as acrylic acid, acrylamide as the Colloidal stability ingredient of inventive compound.The present invention solves the problems, such as to commonly use splash-proof welding agent at present that stability and anti-splashing are ineffective at high temperature.
Description
Technical field
The invention belongs to metal welding splash-proof chemical assistant technical fields, and in particular to a kind of steady welding splash-proof of high fever
Agent.
Background technique
The welding procedure of metal is process of metal working very widely used in modern industry, including marine ship, boat
The all trades and professions such as its aviation, railway traffic, petrochemical industry, hardware building.When welding, need that welding material and base material metal is made to exist
An entirety is connected under conditions of high temperature and pressure.In the welding process due to there is the addition of ambient atmos in mixture,
To make high current generate arc light high temperature, and temperature can generate many splashes when steeply rising, these splashes are very
It is easy to fall in the metal surface near weld seam, the surface of base material metal, that is, described welding slag is just sticked in after cooling.It is practical
In work, for the quality for guaranteeing welding, it is necessary to welding slag is handled, usual people are to polish by rooting out and remove welding slag,
But this can occupy a large amount of time, increase cost of manufacture.Currently, to solve this problem, related researcher has invented one
With preventing splash agent, preventing splash agent is to prevent from burning red metallic particles in welding process splashing and adhering to neighbouring for a little metals welding
A kind of auxiliary agent at the position of non-solder.Splash is splashed can fall off naturally by the processed surface that prevents splash agent, without
Form the attachment for being difficult to clear up, to play the role of keeping non-welded part.It is simplest to prevent splash agent with non-metal powder
The compounding such as body such as golden red mountain flour, nitric acid calcium powder, montmorillonite powder, when use, is sprinkled upon weld, but such adhesiveness that prevents splash agent
Very poor, the big waste of dosage is more, when non-downhand welding is welded, it is virtually impossible to be adhered to weld, cannot use, even if general downhand welding weldering
It connects, use of time particle falls into weld and seriously affects welding quality, flies into formation flying dust in air and causes seriously to pollute；It is aqueous
Anti- agent of dispersing, needs longer drying time after brushing, the nitrogen oxidation generated after the nitrate antirust agent in compound system is scorching hot
Object gaseous contamination local air, endangers Health Status For Workers Exposed；Oiliness prevents splash agent, and oily components are easy to produce a large amount of welderings when use
Cigarette, using rear remaining oil pollution workpiece, wiping process is time-consuming and laborious.Because preventing splash agent, the group belonged in fine chemistry industry is produced
Product, for a long time, the product quality that chemical industry manufacturing industry is released is not high, and technical research industry attention rate is not high.At present on the market
Prevent splash agent huge number, is roughly divided into water base anti sling liquid and two kinds of oil base anti sling liquid.Wherein water base anti sling liquid coating
After need to wait moisture drying, the water being otherwise coated in welded joints will affect welding quality, such as generate stomata, waiting for a long time,
Reduce mechanical property, operating efficiency etc..And oil base splashing agent is easy the absorption weldering dirts such as cigarette ash dirt, especially rough surface not
It easily cleans, influences rear process coating quality.But the extensive utilization of any structural metallic materials depends not only on the property of its own
Energy feature, also relies on the technical level and safety of welding.It comparatively safe efficiently prevents splash agent therefore, it is necessary to a kind of.
Summary of the invention
The technical problems to be solved by the invention: the steady splash-proof welding agent of high fever stability at high temperature is commonly used for current
Can and the ineffective problem of anti-splashing, a kind of steady splash-proof welding agent of high fever is provided.
In order to solve the above technical problems, the present invention is using technical solution as described below:
A kind of steady splash-proof welding agent of high fever, according to the mass fraction, including following component: 15 ~ 30 parts of rutile TiOs2、3~7
Part carboxymethyl cellulose, 2 ~ 5 parts of zinc oxide, 2 ~ 5 parts of phosphorus pentoxides, 1 ~ 4 part of manganese dioxide, 0.3 ~ 0.7 part of film forming agent, 1 ~ 4
Part drier, 0.5 ~ 0.9 part of antirust agent, further includes: 25 ~ 45 parts of compound splashproof base-materials, 12 ~ 20 parts of composite auxiliary materials.
The preparation method of the compound splashproof base-material, includes the following steps:
(1) 1:12 ~ 20 take vermiculite, citric acid solution mixing in mass ratio, and in 65 ~ 75 DEG C, filter residue is collected in constant temperature stirring, filtering
It is washed with water, it is dry, sour processing vermiculite is obtained, 1:12 ~ 18 in mass ratio take acid processing vermiculite and n,N-dimethylacetamide mixing,
High-speed stirred adds the closed mixing of isocyanates of acid processing vermiculite quality 7 ~ 12%, and pressurization, in 75 ~ 85 DEG C, constant temperature is stirred,
It filters, takes filtration cakes torrefaction, obtain dry cake, take dry cake 8 ~ 12:1 in mass ratio that auxiliary agent mixing is added, grinding must pre-process
Vermiculite；
(2) according to the mass fraction, 3 ~ 7 parts of polyallylamines, 2 ~ 5 parts of polyamide waxes, 1 ~ 4 part of potassium nitrate, 30 ~ 45 parts of ethanol solutions are taken
It is mixed in reaction kettle, obtains mixture, mixture 35 ~ 45:2:7:4 in mass ratio is taken to be added containing seleno reagent, benzyl alcohol, pre- place
Vermiculite is managed to be mixed to get compound splashproof base-material.
Auxiliary agent in the step (1): 5 ~ 8:1:1 in mass ratio takes pentaerythrite, N-Methyl pyrrolidone, nano-hydroxy
Apatites mixed is to get auxiliary agent.
Contain seleno reagent in the step (2): 3 ~ 7:1:0.01 in mass ratio takes diphenyl selenide, selenophenol, citric acid
Sodium mixing is to get containing seleno reagent.
The composite auxiliary material: according to parts by weight, 40 ~ 50 parts of acrylic acid, 15 ~ 30 parts of acrylamides, 3 ~ 6 parts of N, N-are taken
Methylene-bisacrylamide, 0.3 ~ 0.8 part of di-t-butyl peroxide, 25 ~ 50 parts of NaOH solution mixing, in 70 ~ 85 DEG C, stirring,
The additive mixing of acrylamide quality 3 ~ 7% is added, adjusts pH to get composite auxiliary material.
The additive: 7 ~ 12:1:0.1 ~ 0.3 takes dopamine solution, magnesium stearate, microcrystalline cellulose mixed in mass ratio
It closes to get additive.
The antioxidant: 3 ~ 8:1:0.2 in mass ratio takes tert-butylhydroquinone, dibutyl hydroxy toluene, tea polyphenols
Mixing is to get antioxidant.
The film forming agent: 8:1:2 ~ 5 take nitrocellulose, fatty alcohol polyoxyethylene ether, polyethylene glycol mixing in mass ratio,
Up to film forming agent.
The drier: 3 ~ 6:1:0.2 ~ 0.5 takes dibutyl tin dilaurate, stannous octoate, manganese dioxide in mass ratio
Mixing is to get drier.
The antirust agent: 4 ~ 8:1:0.3 in mass ratio takes petroleum sodium sulfonate, diphenyl dichlorosilane, methenamine mixing,
Up to antirust agent.
The present invention is compared with other methods, and advantageous effects are:
(1) the organic selenium class compound that adds of the present invention can be sent out with metallicses such as iron in welding process in use
Raw reaction, generates metal selenide thin film, in the process, can protect to welding object, avoid the metallic particles to splash with
Welding object adheres to, and is added to a small amount of aromatic alcohol, phosphorus pentoxide and manganese dioxide ingredient, and during processing, high temperature is made
It is reduced with the hydrogen enabled on aromatic ring, meanwhile, the condensation level of entire aromatic ring increases, and with the fracture of c h bond, generation
Hydroperoxyl radical can capture the Active Radicals Produced that oily matter cracking generates, and the transmitting of its cracking reaction chain be terminated, to play suppression
Cracking is made, the effect of after polymerization reaction is reduced, can play while improving the stability of oily matter and avoid splashing
The effect of the adherency of metallic particles and welding object；
(2) present invention carries out acidleach removal acid-soluble ingredient therein to vermiculite and gets through hole and adsorbable citrate, is mixed into
Isocyanates and mixed processing of pressurizeing can release dioxy convenient for therein-NCO group is evenly distributed after contact with water
Change carbon gas, further get through vermiculite hole, improve adsorption effect, in use, be subjected to high temperature when welding, vermiculite at
Branch expands, and accommodates the effective component originally to prevent splash agent, improves absorption package action as binding matrix, and then avoid light
The splashing of matter metallic particles with the increase of the adsorbed small particle quality of expanding vermiculite body, reaches one from another point of view
It after determining degree, partially can voluntarily fall, processing is convenient, can also be convenient for the metallic particles of centralized processing absorption；
(3) present invention is using the polymer gel processed such as acrylic acid, acrylamide as the Colloidal stability ingredient of inventive compound,
During the preparation process, the presence of gel network structure can effectively avoid the group of the internal component in preparation, storage and use process
It is poly-, it improves and keeps dispersibility, the high-molecular gel with toughness can reduce the irregular hard structure butt welding of surface of metal particles
The injury of object is connect, it can also effectively stable raising anti-splashing effect；
(4) present invention can be heated with organic selenium class compound in use with welding process, with the metallicses such as iron
It reacts, generates metal selenide thin film, welding object can be protected, avoid the metallic particles to splash and weld object
Adherency, also, it is added to the additives such as a small amount of aromatic alcohol auxiliary, and it is short grained as splashing using the high-temperature expansion of vermiculite
Absorption carrier cooperates macromolecular gel, improve the stability for coordinating to improve the effect of welding at high temperature to anti-splashing effect and
Anti-splashing effect.
Specific embodiment
Containing seleno reagent: 3 ~ 7:1:0.01 in mass ratio takes diphenyl selenide, selenophenol, sodium citrate mixing to get containing selenium
Reagent.
Auxiliary agent: 5 ~ 8:1:1 in mass ratio take pentaerythrite, N-Methyl pyrrolidone, nanometer hydroxyapatite mixing to get
Auxiliary agent.
Antioxidant: 3 ~ 8:1:0.2 in mass ratio takes tert-butylhydroquinone, dibutyl hydroxy toluene, tea polyphenols mixing,
Up to antioxidant.
Drier: 3 ~ 6:1:0.2 ~ 0.5 takes dibutyl tin dilaurate, stannous octoate, manganese dioxide mixing in mass ratio,
Up to drier.
Film forming agent: in mass ratio 8:1:2 ~ 5 take nitrocellulose, fatty alcohol polyoxyethylene ether, polyethylene glycol mixing to get
Film forming agent.
Antirust agent: 4 ~ 8:1:0.3 in mass ratio take petroleum sodium sulfonate, diphenyl dichlorosilane, methenamine mixing to get
Antirust agent.
Additive: 7 ~ 12:1:0.1 ~ 0.3 takes the dopamine solution of concentration 2g/L, magnesium stearate, microcrystalline cellulose in mass ratio
Element mixing is to get additive.
The preparation method of compound splashproof base-material, includes the following steps:
(1) citric acid solution that 1:12 ~ 20 take vermiculite in mass ratio, mass fraction is 15% is mixed in reaction kettle, in 65 ~ 75 DEG C,
2 ~ 4h is stirred with 350 ~ 550r/min constant temperature, filtering is collected filter residue and is washed with water 2 ~ 4 times, moves to 55 ~ 75 DEG C of oven dryings to perseverance
Weight obtains sour processing vermiculite, and 1:12 ~ 18 in mass ratio take acid processing vermiculite and n,N-dimethylacetamide to mix in reaction kettle, with
2000 ~ 3000r/min, 25 ~ 45min of high-speed stirred adds the closed mixing of isocyanates of acid processing vermiculite quality 7 ~ 12%, rises
It is depressed into 3.2 ~ 4.5MPa, in 75 ~ 85 DEG C, 2 ~ 4h is stirred with 500 ~ 800r/min constant temperature, is filtered, take 85 ~ 95 DEG C of baking ovens of filter cake dry
Dry 2 ~ 4h, obtains dry cake, takes dry cake 8 ~ 12:1 in mass ratio that auxiliary agent mixing is added, and Yu Yanbo is ground with 400 ~ 700r/min
1 ~ 3h is ground, pretreatment vermiculite is obtained；
(2) according to the mass fraction, 3 ~ 7 parts of polyallylamines, 2 ~ 5 parts of polyamide waxes, 1 ~ 4 part of potassium nitrate, 30 ~ 45 parts of volume fractions are taken
It is mixed for 70% ethanol solution in reaction kettle, with 400 ~ 700r/min, 40 ~ 60min of magnetic agitation, obtains mixture, take mixture
35 ~ 45:2:7:4 in mass ratio be added containing seleno reagent, benzyl alcohol, pretreatment vermiculite mixing, with 700 ~ 1200r/min stirring 1 ~
3h is to get compound splashproof base-material.
The preparation of composite auxiliary material: according to parts by weight, 40 ~ 50 parts of acrylic acid, 15 ~ 30 parts of acrylamides, 3 ~ 6 parts of N, N are taken
The NaOH solution that methylene-bisacrylamide, 0.3 ~ 0.8 part of di-t-butyl peroxide, 25 ~ 50 parts of mass fractions are 12% is in anti-
It answers kettle to mix, in 70 ~ 85 DEG C, after being stirred to react 2 ~ 4h with 400 ~ 800r/min, the additive of acrylamide quality 3 ~ 7% is added
Mixing, the NH for being 15% with mass fraction4Cl adjusts pH to 7.2 ~ 7.8 to get composite auxiliary material.
A kind of steady splash-proof welding agent of high fever, according to the mass fraction, including following component: 15 ~ 30 parts of rutile TiOs2、
3 ~ 7 parts of carboxymethyl celluloses, 2 ~ 5 parts of zinc oxide, 2 ~ 5 parts of phosphorus pentoxides, 1 ~ 4 part of manganese dioxide, 0.3 ~ 0.7 part of film forming agent, 1
~ 4 parts of drier, 0.5 ~ 0.9 part of antirust agent, 25 ~ 45 parts of compound splashproof base-materials, 12 ~ 20 parts of composite auxiliary materials.
Embodiment 1
Containing seleno reagent: 3:1:0.01 in mass ratio takes diphenyl selenide, selenophenol, sodium citrate mixing to get containing seleno reagent.
Auxiliary agent: 5:1:1 in mass ratio takes pentaerythrite, N-Methyl pyrrolidone, nanometer hydroxyapatite mixing to get helping
Agent.
Antioxidant: 3:1:0.2 in mass ratio takes tert-butylhydroquinone, dibutyl hydroxy toluene, tea polyphenols mixing, i.e.,
Obtain antioxidant.
Drier: 3:1:0.2 in mass ratio takes dibutyl tin dilaurate, stannous octoate, manganese dioxide mixing to get urging
Dry agent.
Film forming agent: 8:1:2 in mass ratio take nitrocellulose, fatty alcohol polyoxyethylene ether, polyethylene glycol mixing to get at
Film.
Antirust agent: 4:1:0.3 in mass ratio takes petroleum sodium sulfonate, diphenyl dichlorosilane, methenamine mixing to get anti-
Rust agent.
Additive: 7:1:0.1 in mass ratio takes the dopamine solution of concentration 2g/L, magnesium stearate, microcrystalline cellulose mixing,
Up to additive.
The preparation method of compound splashproof base-material, includes the following steps:
(1) citric acid solution that 1:12 in mass ratio takes vermiculite, mass fraction is 15% is mixed in reaction kettle, in 65 DEG C, with
350r/min constant temperature stirs 2h, and filtering is collected filter residue and is washed with water 2 times, moves to 55 DEG C of oven dryings to constant weight, obtain sour processing leech
Stone, in mass ratio 1:12 take acid processing vermiculite and n,N-dimethylacetamide to mix in reaction kettle, with 2000r/min high-speed stirred
25min adds the closed mixing of isocyanates of acid processing vermiculite quality 7%, 3.2MPa is boosted to, in 75 DEG C, with 500r/min
Constant temperature stirs 2h, filters, takes 85 DEG C of oven drying 2h of filter cake, obtain dry cake, takes dry cake 8:1 in mass ratio that auxiliary agent is added
Mixing, Yu Yanbo grind 1h with 400r/min, obtain pretreatment vermiculite；
(2) according to the mass fraction, the second that 3 parts of polyallylamines, 2 parts of polyamide waxes, 1 part of potassium nitrate, 30 parts of volume fractions are 70% is taken
Alcoholic solution is mixed in reaction kettle, with 400r/min magnetic agitation 40min, is obtained mixture, is taken mixture 35:2:7:4 in mass ratio
It is added containing seleno reagent, benzyl alcohol, pretreatment vermiculite mixing, with 700r/min stirring 1h to get compound splashproof base-material.
The preparation of composite auxiliary material: according to parts by weight, 40 parts of acrylic acid, 15 parts of acrylamides, 3 parts of N, N-methylene are taken
The NaOH solution that bisacrylamide, 0.3 part of di-t-butyl peroxide, 25 parts of mass fractions are 12% is mixed in reaction kettle, in 70
DEG C, after being stirred to react 2h with 400r/min, the additive mixing of acrylamide quality 3% is added, is 15% with mass fraction
NH4Cl adjusts pH to 7.2 to get composite auxiliary material.
A kind of steady splash-proof welding agent of high fever, according to the mass fraction, including following component: 15 parts of rutile TiOs2, 3 parts
Carboxymethyl cellulose, 2 parts of zinc oxide, 2 parts of phosphorus pentoxides, 1 part of manganese dioxide, 0.3 part of film forming agent, 1 part of drier, 0.5 part
Antirust agent, 25 parts of compound splashproof base-materials, 12 parts of composite auxiliary materials.
Embodiment 2
Containing seleno reagent: 5:1:0.01 in mass ratio takes diphenyl selenide, selenophenol, sodium citrate mixing to get containing seleno reagent.
Auxiliary agent: 6:1:1 in mass ratio takes pentaerythrite, N-Methyl pyrrolidone, nanometer hydroxyapatite mixing to get helping
Agent.
Antioxidant: 5:1:0.2 in mass ratio takes tert-butylhydroquinone, dibutyl hydroxy toluene, tea polyphenols mixing, i.e.,
Obtain antioxidant.
Drier: 5:1:0.2 in mass ratio takes dibutyl tin dilaurate, stannous octoate, manganese dioxide mixing to get urging
Dry agent.
Film forming agent: 8:1:3 in mass ratio take nitrocellulose, fatty alcohol polyoxyethylene ether, polyethylene glycol mixing to get at
Film.
Antirust agent: 7:1:0.3 in mass ratio takes petroleum sodium sulfonate, diphenyl dichlorosilane, methenamine mixing to get anti-
Rust agent.
Additive: 10:1:0.2 in mass ratio takes the dopamine solution of concentration 2g/L, magnesium stearate, microcrystalline cellulose mixed
It closes to get additive.
The preparation method of compound splashproof base-material, includes the following steps:
(1) citric acid solution that 1:20 in mass ratio takes vermiculite, mass fraction is 15% is mixed in reaction kettle, in 75 DEG C, with
550r/min constant temperature stirs 4h, and filtering is collected filter residue and is washed with water 4 times, moves to 75 DEG C of oven dryings to constant weight, obtain sour processing leech
Stone, in mass ratio 1:18 take acid processing vermiculite and n,N-dimethylacetamide to mix in reaction kettle, with 3000r/min high-speed stirred
45min adds the closed mixing of isocyanates of acid processing vermiculite quality 12%, 4.5MPa is boosted to, in 85 DEG C, with 800r/
Min constant temperature stirs 4h, filters, takes 95 DEG C of oven drying 4h of filter cake, obtain dry cake, and dry cake 12:1 in mass ratio is taken to be added
Auxiliary agent mixing, Yu Yanbo grind 3h with 700r/min, obtain pretreatment vermiculite；
(2) according to the mass fraction, the second that 7 parts of polyallylamines, 5 parts of polyamide waxes, 4 parts of potassium nitrate, 45 parts of volume fractions are 70% is taken
Alcoholic solution is mixed in reaction kettle, with 700r/min magnetic agitation 60min, is obtained mixture, is taken mixture 45:2:7:4 in mass ratio
It is added containing seleno reagent, benzyl alcohol, pretreatment vermiculite mixing, with 1200r/min stirring 3h to get compound splashproof base-material.
The preparation of composite auxiliary material: according to parts by weight, 50 parts of acrylic acid, 30 parts of acrylamides, 6 parts of N, N-methylene are taken
The NaOH solution that bisacrylamide, 0.8 part of di-t-butyl peroxide, 50 parts of mass fractions are 12% is mixed in reaction kettle, in 85
DEG C, after being stirred to react 4h with 800r/min, the additive mixing of acrylamide quality 7% is added, is 15% with mass fraction
NH4Cl adjusts pH to 7.8 to get composite auxiliary material.
A kind of steady splash-proof welding agent of high fever, according to the mass fraction, including following component: 30 parts of rutile TiOs2, 7 parts
Carboxymethyl cellulose, 5 parts of zinc oxide, 5 parts of phosphorus pentoxides, 4 parts of manganese dioxide, 0.7 part of film forming agent, 4 parts of drier, 0.9 part
Antirust agent, 45 parts of compound splashproof base-materials, 20 parts of composite auxiliary materials.
Embodiment 3
Containing seleno reagent: 6:1:0.01 in mass ratio takes diphenyl selenide, selenophenol, sodium citrate mixing to get containing seleno reagent.
Auxiliary agent: 6:1:1 in mass ratio takes pentaerythrite, N-Methyl pyrrolidone, nanometer hydroxyapatite mixing to get helping
Agent.
Antioxidant: 5:1:0.2 in mass ratio takes tert-butylhydroquinone, dibutyl hydroxy toluene, tea polyphenols mixing, i.e.,
Obtain antioxidant.
Drier: 5:1:0.4 in mass ratio takes dibutyl tin dilaurate, stannous octoate, manganese dioxide mixing to get urging
Dry agent.
Film forming agent: 8:1:3 in mass ratio take nitrocellulose, fatty alcohol polyoxyethylene ether, polyethylene glycol mixing to get at
Film.
Antirust agent: 6:1:0.3 in mass ratio takes petroleum sodium sulfonate, diphenyl dichlorosilane, methenamine mixing to get anti-
Rust agent.
Additive: 8:1:0.2 in mass ratio takes the dopamine solution of concentration 2g/L, magnesium stearate, microcrystalline cellulose mixing,
Up to additive.
The preparation method of compound splashproof base-material, includes the following steps:
(1) citric acid solution that 1:17 in mass ratio takes vermiculite, mass fraction is 15% is mixed in reaction kettle, in 70 DEG C, with
450r/min constant temperature stirs 3h, and filtering is collected filter residue and is washed with water 3 times, moves to 65 DEG C of oven dryings to constant weight, obtain sour processing leech
Stone, in mass ratio 1:15 take acid processing vermiculite and n,N-dimethylacetamide to mix in reaction kettle, with 2500r/min high-speed stirred
35min adds the closed mixing of isocyanates of acid processing vermiculite quality 11%, 3.9MPa is boosted to, in 80 DEG C, with 600r/
Min constant temperature stirs 3h, filters, takes 90 DEG C of oven drying 3h of filter cake, obtain dry cake, and dry cake 10:1 in mass ratio is taken to be added
Auxiliary agent mixing, Yu Yanbo grind 2h with 600r/min, obtain pretreatment vermiculite；
(2) according to the mass fraction, the second that 5 parts of polyallylamines, 3 parts of polyamide waxes, 3 parts of potassium nitrate, 40 parts of volume fractions are 70% is taken
Alcoholic solution is mixed in reaction kettle, with 600r/min magnetic agitation 50min, is obtained mixture, is taken mixture 40:2:7:4 in mass ratio
It is added containing seleno reagent, benzyl alcohol, pretreatment vermiculite mixing, with 900r/min stirring 2h to get compound splashproof base-material.
The preparation of composite auxiliary material: according to parts by weight, 45 parts of acrylic acid, 20 parts of acrylamides, 5 parts of N, N-methylene are taken
The NaOH solution that bisacrylamide, 0.5 part of di-t-butyl peroxide, 40 parts of mass fractions are 12% is mixed in reaction kettle, in 75
DEG C, after being stirred to react 3h with 600r/min, the additive mixing of acrylamide quality 5% is added, is 15% with mass fraction
NH4Cl adjusts pH to 7.5 to get composite auxiliary material.
A kind of steady splash-proof welding agent of high fever, according to the mass fraction, including following component: 19 parts of rutile TiOs2, 5 parts
Carboxymethyl cellulose, 3 parts of zinc oxide, 3 parts of phosphorus pentoxides, 2 parts of manganese dioxide, 0.5 part of film forming agent, 2 parts of drier, 0.6 part
Antirust agent, 35 parts of compound splashproof base-materials, 19 parts of composite auxiliary materials.
Comparative example 1: it is essentially identical with the preparation method of embodiment 1, it has only the difference is that lacking compound splashproof base-material.
Comparative example 2: it is essentially identical with the preparation method of embodiment 1, it has only the difference is that lacking composite auxiliary material.
Comparative example 3: the steady splash-proof welding agent of high fever of company, Shenyang City production.
The steady splash-proof welding agent of high fever that above-described embodiment is obtained with comparative example is detected, according to GB/T9724-
2007 detect its pH value, pH value it is excessively high or it is too low all metal can be caused to corrode, its boiling point is detected according to GB/T616-2006,
Boiling point is too low to lose protection effect, and remaining rate of splashing: preferred dimension is 300mm × 200mm × 20mm Q235B steel plate, with
And diameter is the welding wire of 1.2mm, sprays anti sling liquid in surface of steel plate, weld seam after 30min, stitches long control in 200mm or so, to
The splash being adhered on test plate (panel) is cleaned after steel plate is cooling and carries out weighing M, and welding wire weight is M before welding1, quality is after welding
M2, splash remaining rate P=M1-M2/ M, three groups of test are averaged, and obtain that the results are shown in Table 1.
Table 1:
In summary, the steady splash-proof welding agent effect of high fever of the invention is more preferable as can be seen from Table 1, is worth of widely use, with
The upper preferred mode only of the invention, is not intended to limit the invention, all within the spirits and principles of the present invention, is made
Any modification, equivalent substitution, improvement and etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of steady splash-proof welding agent of high fever, according to the mass fraction, including following component: 15 ~ 30 parts of rutile TiOs2、3~7
Part carboxymethyl cellulose, 2 ~ 5 parts of zinc oxide, 2 ~ 5 parts of phosphorus pentoxides, 1 ~ 4 part of manganese dioxide, 0.3 ~ 0.7 part of film forming agent, 1 ~ 4
Part drier, 0.5 ~ 0.9 part of antirust agent, which is characterized in that further include: 25 ~ 45 parts of compound splashproof base-materials, 12 ~ 20 parts it is compound auxiliary
Material.
2. the steady splash-proof welding agent of a kind of high fever according to claim 1, which is characterized in that the system of the compound splashproof base-material
Preparation Method includes the following steps:
(1) 1:12 ~ 20 take vermiculite, citric acid solution mixing in mass ratio, and in 65 ~ 75 DEG C, filter residue is collected in constant temperature stirring, filtering
It is washed with water, it is dry, sour processing vermiculite is obtained, 1:12 ~ 18 in mass ratio take acid processing vermiculite and n,N-dimethylacetamide mixing,
High-speed stirred adds the closed mixing of isocyanates of acid processing vermiculite quality 7 ~ 12%, and pressurization, in 75 ~ 85 DEG C, constant temperature is stirred,
It filters, takes filtration cakes torrefaction, obtain dry cake, take dry cake 8 ~ 12:1 in mass ratio that auxiliary agent mixing is added, grinding must pre-process
Vermiculite；
(2) according to the mass fraction, 3 ~ 7 parts of polyallylamines, 2 ~ 5 parts of polyamide waxes, 1 ~ 4 part of potassium nitrate, 30 ~ 45 parts of ethanol solutions are taken
It is mixed in reaction kettle, obtains mixture, mixture 35 ~ 45:2:7:4 in mass ratio is taken to be added containing seleno reagent, benzyl alcohol, pre- place
Vermiculite is managed to be mixed to get compound splashproof base-material.
3. the steady splash-proof welding agent of a kind of high fever according to claim 2, which is characterized in that the auxiliary agent in the step (1):
5 ~ 8:1:1 in mass ratio takes pentaerythrite, N-Methyl pyrrolidone, nanometer hydroxyapatite mixing to get auxiliary agent.
4. the steady splash-proof welding agent of a kind of high fever according to claim 2, which is characterized in that contain selenium in the step (2)
Reagent: 3 ~ 7:1:0.01 in mass ratio takes diphenyl selenide, selenophenol, sodium citrate mixing to get containing seleno reagent.
5. the steady splash-proof welding agent of a kind of high fever according to claim 1, which is characterized in that the composite auxiliary material: by weight
Number meter takes 40 ~ 50 parts of acrylic acid, 15 ~ 30 parts of acrylamides, 3 ~ 6 parts of N, N-methylene-bisacrylamide, 0.3 ~ 0.8 part of mistake
Di-t-butyl, 25 ~ 50 parts of NaOH solution mixing are aoxidized, in 70 ~ 85 DEG C, the additive of acrylamide quality 3 ~ 7% is added in stirring
Mixing adjusts pH to get composite auxiliary material.
6. the steady splash-proof welding agent of a kind of high fever according to claim 5, which is characterized in that the additive: in mass ratio 7
~ 12:1:0.1 ~ 0.3 takes dopamine solution, magnesium stearate, microcrystalline cellulose mixing to get additive.
7. the steady splash-proof welding agent of a kind of high fever according to claim 1, which is characterized in that the antioxidant: pressing quality
Take tert-butylhydroquinone, dibutyl hydroxy toluene, tea polyphenols mixing to get antioxidant than 3 ~ 8:1:0.2.
8. the steady splash-proof welding agent of a kind of high fever according to claim 1, which is characterized in that the film forming agent: in mass ratio
8:1:2 ~ 5 take nitrocellulose, fatty alcohol polyoxyethylene ether, polyethylene glycol mixing to get film forming agent.
9. the steady splash-proof welding agent of a kind of high fever according to claim 1, which is characterized in that the drier: in mass ratio 3
~ 6:1:0.2 ~ 0.5 takes dibutyl tin dilaurate, stannous octoate, manganese dioxide mixing to get drier.
10. the steady splash-proof welding agent of a kind of high fever according to claim 1, which is characterized in that the antirust agent: in mass ratio
4 ~ 8:1:0.3 takes petroleum sodium sulfonate, diphenyl dichlorosilane, methenamine mixing to get antirust agent.
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| CN113927209A (en) * | 2021-09-24 | 2022-01-14 | 上海精星物流设备工程有限公司 | CO (carbon monoxide)2Anti-spattering agent used in welding process |
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