CN107033723A - One kind is without deposition automobile leaf spring coating and preparation method thereof - Google Patents

One kind is without deposition automobile leaf spring coating and preparation method thereof Download PDF

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Publication number
CN107033723A
CN107033723A CN201610901359.5A CN201610901359A CN107033723A CN 107033723 A CN107033723 A CN 107033723A CN 201610901359 A CN201610901359 A CN 201610901359A CN 107033723 A CN107033723 A CN 107033723A
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孔华英
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TONGLING SIDE TECHNOLOGY Co Ltd
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TONGLING SIDE TECHNOLOGY Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
    • C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
    • C08F283/105—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule on to unsaturated polymers containing more than one epoxy radical per molecule
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/14—Polycondensates modified by chemical after-treatment
    • C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
    • C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
    • C08G59/1455—Monocarboxylic acids, anhydrides, halides, or low-molecular-weight esters thereof
    • C08G59/1461—Unsaturated monoacids
    • C08G59/1466—Acrylic or methacrylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/17—Amines; Quaternary ammonium compounds
    • C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C08K5/52—Phosphorus bound to oxygen only
    • C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
    • C08K5/526—Esters of phosphorous acids, e.g. of H3PO3 with hydroxyaryl compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/26—Silicon- containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
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  • Polymers & Plastics (AREA)
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Abstract

The invention discloses one kind without deposition automobile leaf spring coating, it is made up of the raw material of following weight parts：Scolecite 46, formamide 0.7 1, hydroxyethyl methacrylate 79, phosphorus pentoxide 0.8 1, p methoxy phenol 23, TBAB 0.6 2, acrylic acid 17 20, methyl methacrylate 68, epoxy resin E 51,140 150, ammonium persulfate 0.07 0.1, sodium acid carbonate 23, neopelex 0.6 1, naphthenic soap 0.3 1, ascorbic acid 0.6 2, nickel sulfamic acid 0.5 1, trisnonyl phenyl phosphite 12, N, N diethylanilines 0.3 1, lauryl dimethyl amine oxide 0.7 1.Cost of the present invention is low, solve automobile leaf spring coating at this stage " landing amount " it is big, not environmentally, the problem of antirust ability is poor.

Description

One kind is without deposition automobile leaf spring coating and preparation method thereof
Technical field
The present invention relates to anticorrosive coating technical field, more particularly to one kind is without deposition automobile leaf spring coating and its system Preparation Method.
Background technology
Acrylic monomers is often used in the polymerization process of water-based acrylic resin, due to the hydrophily carboxylic on acrylic acid The presence of base so that polymer emulsion stability strengthens, and under conditions of dry film, carboxyl can closely stick to one with ground Rise, substantially increase the adhesive force for applying interlayer；But in wet environment, due to the carboxylated hydrophilic on acrylic acid, between water Association it is very strong, hydrone enters easily by capillary attraction in the interface of coating and metal, causes carboxyl and gold The active force of category substrate surface is substantially reduced, and dampness adhesive force is performed poor, water resistance reduction, can consequently also influence film Antiseptic property.Function phosphate ester monomer is the mixture of phosphate monoester, di-phosphate ester and a small amount of phosphoric acid；Phosphate monoester can be with Metal base, which reacts, generates phosphate monoester molysite, forms fine and close diaphragm, this all phosphate is just securely connected Onto base material, so as to improve the adhesive force of film；
In recent years, because special effect of the function phosphate in terms of film rustless property and anti-flash rusting is improved so that he is increasingly It is taken seriously, as increasing R＆D worker begins one's study its application in water soluble acrylic acid anticorrosive paint.By its The Corrosion Protection improved as additive is obvious, and operating process is simply, conveniently, has become water-based anticorrosive paint from now on One important development direction of research；
However, feature phosphate ester monomer is generally import, costly, technique prepared by phosphate ester monomer is complex for price, Domestic fewer to its building-up process systematic research, these unfavorable factors have limited to phosphate in water soluble acrylic acid anticorrosive paint In application development.But more excellent, the less expensive phosphate of volatility is made slow progress, so, simplify the preparation technology of phosphate And the utilization rate of function phosphate ester monomer is improved as far as possible as current practicable method；Epoxy resin is to acrylic resin Modification the hardness and water resistance of paint film are increased significantly；
Modification of the phosphate function monomer to acrylic resin can efficiently improve the rustless property of paint film, and operation letter Just.Because current fluorine-containing emulsifier and fluorine monomer are expensive, grafting efficiency is low.The present invention considers automobile leaf spring application Particular/special requirement, use phosphate ester monomer and the monomer modified acrylic resin of epoxy acrylic for matrix resin；
The coating process of automobile leaf spring is：Leaf spring carries out application one by one, and then assembly is locked together is carried out again Application.If applying thickness, during locking together, the coating between two spring leafs will be squeezed out, or even destruction is applied Layer.If coating is too thin, general coating rustless property is poor, is not enough to protect automobile leaf spring piece, this is accomplished by obtained Possess rustless property as high as possible in the case that coating material coating is relatively thin.At present both at home and abroad automobile leaf spring coating compared with Corrosion point can further be turned into during thickness, more or less presence coating assembly at the destruction of too thick extruding, these destructions, sternly The quality of the influence automobile leaf spring coating of weight, the rust-preventing characteristic that unit thickness coating is improved as far as possible is increasingly becoming urgent need solution Problem certainly.Then, the present invention is modified, this just makes using acrylic resin as matrix resin with epoxy resin to it Obtaining coating material had both had the excellent antiseptic property of epoxy resin, adhesive force, had the excellent chemical-resistant of acrylic resin again And pliability, greatly improve the rustless property of unit thickness coating.
The content of the invention
The object of the invention be exactly in order to make up the defect of prior art there is provided one kind without deposition automobile leaf spring coating and Its preparation method.
The present invention is achieved by the following technical solutions：
One kind is without deposition automobile leaf spring coating, and it is made up of the raw material of following weight parts：
Scolecite 4-6, formamide 0.7-1, hydroxyethyl methacrylate 7-9, phosphorus pentoxide 0.8-1, p methoxy phenol 2- 3rd, TBAB 0.6-2, acrylic acid 17-20, methyl methacrylate 6-8, epoxy resin E-51140-150, persulfuric acid Ammonium 0.07-0.1, sodium acid carbonate 2-3, neopelex 0.6-1, naphthenic soap 0.3-1, ascorbic acid 0.6-2, amino Nickel sulphonic acid 0.5-1, trisnonyl phenyl phosphite 1-2, N, N- diethylanilines 0.3-1, lauryl dimethyl amine oxide 0.7-1.
A kind of described preparation method without deposition automobile leaf spring coating, comprises the following steps：
（1）Above-mentioned scolecite is taken, in the deionized water for being added to 27-30 times of its weight, above-mentioned formamide is added, rise temperature is 60-70 DEG C, insulated and stirred 17-20 minutes, filtering, by precipitation washing 3-4 times, air drying wears into fine powder, obtains modified zeolite Powder；
（2）The 65-70% of above-mentioned p methoxy phenol weight is taken, is mixed with above-mentioned hydroxyethyl methacrylate, warming temperature is 30-35 DEG C, 1000-1200 revs/min it is lower insulated and stirred 10-13 minutes, add above-mentioned phosphorus pentoxide, rise temperature is 70-75 DEG C, insulated and stirred 100-120 minutes adds mixed system weight 4-6% water, is sent in 87-90 DEG C of water bath with thermostatic control, plus Enter above-mentioned modified zeolite powder, insulated and stirred 2.7-3 hours, discharging cooling obtains hydroxyl phosphate；
（3）Above-mentioned TBAB, remaining p methoxy phenol are mixed, is added in aforesaid propylene acid, stirs, Obtain acrylic dispersions；
（4）In the absolute ethyl alcohol that above-mentioned naphthenic soap is added to 7-9 times of its weight, stir, rise temperature is 65-70 DEG C, insulated and stirred 10-15 minutes adds above-mentioned nickel sulfamic acid, stirs to normal temperature, obtains alcohol dispersion liquid；
（5）Above-mentioned epoxy resin E-51 is taken, is sent in 100-110 DEG C of oil bath, the sour dispersion liquid of aforesaid propylene is added dropwise, insulation is stirred Mix 3-4 hours, add above-mentioned alcohol dispersion liquid, stir to normal temperature, obtain epoxy acrylic ester monomer；
（6）In the deionized water that above-mentioned lauryl dimethyl amine oxide is added to 10-13 times of its weight, stir, raise Temperature is 64-70 DEG C, and insulated and stirred 7-10 minutes adds above-mentioned ascorbic acid, stirs, obtain aqueous dispersions；
（7）By above-mentioned trisnonyl phenyl phosphite, epoxy acrylic ester monomer, methyl methacrylate, DBSA Sodium is mixed, and in the deionized water for being added to 6-9 times of compound weight, is stirred, is obtained pre-emulsion；
（8）In the deionized water that above-mentioned sodium acid carbonate is added to 18-20 times of its weight, stir, add at 70-75 DEG C Above-mentioned ammonium persulfate, rise temperature is 80-85 DEG C, and above-mentioned hydroxyl phosphate is added after above-mentioned pre-emulsion, completion of dropping is added dropwise, after Continuous insulated and stirred 50-60 minutes, adds above-mentioned aqueous dispersions, stirs, and reduction temperature is 60-65 DEG C, adds remaining each Raw material, is incubated 30-40 minutes, and regulation pH is 6-7, is ground to fineness less than 50 μm, produces.
It is an advantage of the invention that：
Application method：Mixed using the preceding coating by the present invention with its weight 20-30% curing agent of Anquamine 2771, Stir, you can carry out application；
The epoxy radicals of epoxy acrylate is fixed on the stratum nucleare of core shell structure by the present invention by the method for core-shell emulsion polymerization, The outer layer that methacrylic acid is fixed on core-shell latex particles as hydrophilic crosslinked dose, the wherein carboxyl on methacrylic acid are poly- in emulsion First neutralized and closed with organic amine during conjunction so that the initial ring that emulsion will not be too early during polymerization and storage The reaction of epoxide and carboxyl, with moisture evaporation, emulsion particle particle contact, accumulates, deforms, collapsing, polymer macromolecule is obtained Sufficiently mixing, and with the volatilization of organic amine, increasing carboxyl is unsealed, in the epoxy radicals being distributed across in different layers Met with carboxyl and there occurs cross-linking reaction, constitute the cross-linking system of the self-crossing emulsion of the present invention, the degree of cross linking of paint film and cause Close property is greatly improved；
The present invention will can be incorporated into acrylic acid containing a large amount of phosphorus hydroxyls with the phosphate ester monomer of metallic surface formation complex compound In ester emulsion, phosphorus hydroxyl has stronger chelation with metal surface in phosphate ester monomer, can act on being formed with polyvalent metal Phosphate complex, and so that polymer is strongly attached on metal base in the form of covalent bond, wet adhesion is significantly improved, Substantial amounts of phosphorus hydroxyl is distributed in the shell of core-shell emulsion, and the phosphorus hydroxyl of shell can be contacted, prevented the very first time with metal surface The appearance of " dodging erosion " phenomenon so that emulsion has the function of similar phosphorization, both eliminates phosphorus for automobile leaf spring coating Change and handle this procedure, will not produce etching waste liquor again and pollute environment, reduce cost, solve automobile leaf spring coating At this stage " landing amount " it is big, not environmentally, the problem of antirust ability is poor；The coating uniformity of the present invention is good, stands without deposition, can be with Uniform and stable film is formed in substrate surface, combination property is superior.
Embodiment
One kind is without deposition automobile leaf spring coating, and it is made up of the raw material of following weight parts：
Scolecite 4, formamide 0.7, hydroxyethyl methacrylate 7, phosphorus pentoxide 0.8, p methoxy phenol 2, tetrabutyl bromine Change ammonium 0.6, acrylic acid 17, methyl methacrylate 6, epoxy resin E-51 140, ammonium persulfate 0.07, sodium acid carbonate 2,12 Sodium alkyl benzene sulfonate 0.6, naphthenic soap 0.3, ascorbic acid 0.6, nickel sulfamic acid 0.5, trisnonyl phenyl phosphite 1, N, N bis- MEA 0.3, lauryl dimethyl amine oxide 0.7.
A kind of described preparation method without deposition automobile leaf spring coating, comprises the following steps：
（1）Above-mentioned scolecite is taken, in the deionized water for being added to 27 times of its weight, above-mentioned formamide is added, rise temperature is 60 DEG C, insulated and stirred 17 minutes, filtering, by precipitation washing 3 times, air drying wears into fine powder, obtains modified zeolite powder；
（2）Take the 65% of above-mentioned p methoxy phenol weight, mixed with above-mentioned hydroxyethyl methacrylate, warming temperature be 30 DEG C, 1000 revs/min of lower insulated and stirreds 10 minutes, add above-mentioned phosphorus pentoxide, and rise temperature is 70 DEG C, insulated and stirred 100 minutes, The water of mixed system weight 4% is added, in the water bath with thermostatic control for being sent to 87 DEG C, above-mentioned modified zeolite powder, insulated and stirred 2.7 is added Hour, discharging cooling obtains hydroxyl phosphate；
（3）Above-mentioned TBAB, remaining p methoxy phenol are mixed, is added in aforesaid propylene acid, stirs, Obtain acrylic dispersions；
（4）In the absolute ethyl alcohol that above-mentioned naphthenic soap is added to 7 times of its weight, stir, rise temperature is 65 DEG C, insulation Stirring 10 minutes, adds above-mentioned nickel sulfamic acid, stirs to normal temperature, obtains alcohol dispersion liquid；
（5）Above-mentioned epoxy resin E is taken, in the oil bath for being sent to 100 DEG C, the sour dispersion liquid of aforesaid propylene is added dropwise, insulated and stirred 3 is small When, above-mentioned alcohol dispersion liquid is added, stirs to normal temperature, obtains epoxy acrylic ester monomer；
（6）In the deionized water that above-mentioned lauryl dimethyl amine oxide is added to 10 times of its weight, stir, raise temperature For 64 DEG C, insulated and stirred 7 minutes adds above-mentioned ascorbic acid, stirs, obtain aqueous dispersions；
（7）By above-mentioned trisnonyl phenyl phosphite, epoxy acrylic ester monomer, methyl methacrylate, DBSA Sodium is mixed, and in the deionized water for being added to 6 times of compound weight, is stirred, is obtained pre-emulsion；
（8）In the deionized water that above-mentioned sodium acid carbonate is added to 18 times of its weight, stirred at 70 DEG C, add above-mentioned mistake Ammonium sulfate, rise temperature is 80 DEG C, is added dropwise after above-mentioned pre-emulsion, completion of dropping and adds above-mentioned hydroxyl phosphate, continues insulation and stirs Mix 50 minutes, add above-mentioned aqueous dispersions, stir, reduction temperature is 60 DEG C, adds remaining each raw material, is incubated 30 points Clock, regulation pH is 6, is ground to fineness less than 50 μm, produces.
Performance test：
Resistance to 3% salt solution 700h is unchanged；
1 grade of adhesive force, without " flash rusting "；
Impact resistance：≥50kg/cm；
Acid resistance：（25% sulfuric acid, 25 DEG C）：30d is unchanged；
Alkali resistance：（25% sodium hydroxide, 25 DEG C）：30d is unchanged.

Claims (2)

1. it is a kind of without deposition automobile leaf spring coating, it is characterised in that it is made up of the raw material of following weight parts：
Scolecite 4-6, formamide 0.7-1, hydroxyethyl methacrylate 7-9, phosphorus pentoxide 0.8-1, p methoxy phenol 2- 3rd, TBAB 0.6-2, acrylic acid 17-20, methyl methacrylate 6-8, epoxy resin E-51140-150, persulfuric acid Ammonium 0.07-0.1, sodium acid carbonate 2-3, neopelex 0.6-1, naphthenic soap 0.3-1, ascorbic acid 0.6-2, amino Nickel sulphonic acid 0.5-1, trisnonyl phenyl phosphite 1-2, N, N- diethylanilines 0.3-1, lauryl dimethyl amine oxide 0.7-1.
2. a kind of preparation method without deposition automobile leaf spring coating as claimed in claim 1, it is characterised in that including with Lower step：
（1）Above-mentioned scolecite is taken, in the deionized water for being added to 27-30 times of its weight, above-mentioned formamide is added, rise temperature is 60-70 DEG C, insulated and stirred 17-20 minutes, filtering, by precipitation washing 3-4 times, air drying wears into fine powder, obtains modified zeolite Powder；
（2）The 65-70% of above-mentioned p methoxy phenol weight is taken, is mixed with above-mentioned hydroxyethyl methacrylate, warming temperature is 30-35 DEG C, 1000-1200 revs/min it is lower insulated and stirred 10-13 minutes, add above-mentioned phosphorus pentoxide, rise temperature is 70-75 DEG C, insulated and stirred 100-120 minutes adds mixed system weight 4-6% water, is sent in 87-90 DEG C of water bath with thermostatic control, plus Enter above-mentioned modified zeolite powder, insulated and stirred 2.7-3 hours, discharging cooling obtains hydroxyl phosphate；
（3）Above-mentioned TBAB, remaining p methoxy phenol are mixed, is added in aforesaid propylene acid, stirs, Obtain acrylic dispersions；
（4）In the absolute ethyl alcohol that above-mentioned naphthenic soap is added to 7-9 times of its weight, stir, rise temperature is 65-70 DEG C, insulated and stirred 10-15 minutes adds above-mentioned nickel sulfamic acid, stirs to normal temperature, obtains alcohol dispersion liquid；
（5）Above-mentioned epoxy resin E-51 is taken, is sent in 100-110 DEG C of oil bath, the sour dispersion liquid of aforesaid propylene is added dropwise, insulation is stirred Mix 3-4 hours, add above-mentioned alcohol dispersion liquid, stir to normal temperature, obtain epoxy acrylic ester monomer；
（6）In the deionized water that above-mentioned lauryl dimethyl amine oxide is added to 10-13 times of its weight, stir, raise Temperature is 64-70 DEG C, and insulated and stirred 7-10 minutes adds above-mentioned ascorbic acid, stirs, obtain aqueous dispersions；
（7）By above-mentioned trisnonyl phenyl phosphite, epoxy acrylic ester monomer, methyl methacrylate, DBSA Sodium is mixed, and in the deionized water for being added to 6-9 times of compound weight, is stirred, is obtained pre-emulsion；
（8）In the deionized water that above-mentioned sodium acid carbonate is added to 18-20 times of its weight, stir, add at 70-75 DEG C Above-mentioned ammonium persulfate, rise temperature is 80-85 DEG C, and above-mentioned hydroxyl phosphate is added after above-mentioned pre-emulsion, completion of dropping is added dropwise, after Continuous insulated and stirred 50-60 minutes, adds above-mentioned aqueous dispersions, stirs, and reduction temperature is 60-65 DEG C, adds remaining each Raw material, is incubated 30-40 minutes, and regulation pH is 6-7, is ground to fineness less than 50 μm, produces.
CN201610901359.5A 2016-10-17 2016-10-17 One kind is without deposition automobile leaf spring coating and preparation method thereof Withdrawn CN107033723A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109021784A (en) * 2018-07-14 2018-12-18 合肥艾飞新材料有限公司 A kind of carbon nanotube heat radiation coating and preparation method thereof

Citations (4)

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CN102127271A (en) * 2010-12-24 2011-07-20 大连工业大学 Water-based epoxy modified phosphorus-containing styrene-acrylic antirust emulsion and synthesis method thereof
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Publication number Priority date Publication date Assignee Title
CN109021784A (en) * 2018-07-14 2018-12-18 合肥艾飞新材料有限公司 A kind of carbon nanotube heat radiation coating and preparation method thereof
CN109021784B (en) * 2018-07-14 2021-03-12 安徽星鑫材料科技股份有限公司 Carbon nano tube heat dissipation coating and preparation method thereof

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Application publication date: 20170811