CN113416488A - All-solid automobile chassis anti-corrosion wax composition - Google Patents

All-solid automobile chassis anti-corrosion wax composition Download PDF

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Publication number
CN113416488A
CN113416488A CN202110707467.XA CN202110707467A CN113416488A CN 113416488 A CN113416488 A CN 113416488A CN 202110707467 A CN202110707467 A CN 202110707467A CN 113416488 A CN113416488 A CN 113416488A
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wax
solid
corrosive
wax composition
oil
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CN202110707467.XA
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Chinese (zh)
Inventor
孟庆龙
李毅
吕明春
郑智超
陈程
倪娟
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Suzhou Himax Automobile Protection Material Co ltd
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Suzhou Himax Automobile Protection Material 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
    • C09D191/00—Coating compositions based on oils, fats or waxes; Coating compositions based on derivatives thereof
    • 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
    • C09D7/63—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
    • C09D7/65—Additives macromolecular
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/327—Aluminium phosphate
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/32—Phosphorus-containing compounds
    • C08K2003/321—Phosphates
    • C08K2003/328—Phosphates of heavy metals

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention provides a full-solid automobile chassis anticorrosive wax composition, which comprises the following components in percentage by weight: 5-20% of resin material, 5-10% of waxy material, 5-10% of vegetable oil, 1-10% of oil-soluble antirust additive, 5-10% of antirust pigment, 1-5% of drying control agent, 0.1-1% of drier, 0.1-1% of silane coupling agent and 40-70% of base oil. The invention has the solid content close to 100 percent, and can reduce the discharge of VOC to the maximum extent; meanwhile, the coating has good oxygen curing and self-drying characteristics, overcomes the defect of long curing time of common all-solid chassis anti-corrosive wax, can form a stable waxy anti-corrosive layer similar to the drying and curing time of solvent type anti-corrosive wax, and has excellent waterproofness, anti-corrosive property and damping performance.

Description

All-solid automobile chassis anti-corrosion wax composition
Technical Field
The invention relates to the technical field of automobile anti-corrosion wax, in particular to quick-drying automobile anti-corrosion wax with excellent anti-corrosion performance, no VOC (volatile organic compound) emission and damping performance and a preparation method thereof.
Background
In the modern society, with the continuous popularization of automobiles, the domestic automobile yield is continuously increased, the automobile keeping amount in the market is gradually increased, the exposure problem is more and more, and the corrosion of metal is the most serious problem. Workpieces of automobiles at non-coating parts are exposed to the risk of corrosion, particularly at the positions of automobile door chassis, hinges, chassis and the like. The existing chassis anticorrosion measures mainly comprise hot melting wax injection and spraying anticorrosion wax.
The solvent type antirust wax can be widely applied to the automobile industry due to excellent corrosion resistance and simple and convenient operation, gradually replaces the original hot-melt wax injection mode, and the patent CN02115915.7 introduces a liquid solvent type automobile antirust wax. However, the used solvent is mainly aromatic hydrocarbon, ester and alkane petroleum products, has strong volatility, is inflammable and explosive, has safety risk, and has irritation and great harm to human bodies due to high VOC.
For the pollution of Volatile Organic Compounds (VOC) of automobiles, countries such as Europe, America, Japan, Russia and the like have implemented a mandatory management system according to relevant standards, China also changes GB' evaluation guidance for air quality in passenger cars from recommended standards to mandatory standards, and it can be seen that the times of low VOC products are not far.
In recent two years, with the gradual attention of automobile enterprises to VOC emission, the current solvent diluted type automobile anti-rust wax cannot completely meet the requirements of the automobile enterprises, in some countries in Europe, high-end brand automobiles have been led to adopt low-VOC water-based and all-solid automobile inner cavity wax and chassis wax in the industry, some domestic automobile factories have already evaluated the water-based type anti-corrosion wax in the domestic market, the salt spray resistant time is not enough to replace the solvent diluted type anti-rust wax, but the environment-friendly type anti-rust wax is necessary for future development, and with the continuous development of the technology, the water-based and all-solid anti-rust wax can comprehensively replace the solvent diluted type anti-corrosion wax.
The water-based anti-corrosion wax is relatively safe and environment-friendly, but the water-based anti-corrosion wax can be subjected to unrecoverable freezing in winter, so that emulsion breaking is realized, and the water-based anti-corrosion wax cannot be used. The volatilization speed of the water-based product in a low-temperature environment is extremely low, and the film is not easy to form.
The all-solid antirust wax is relatively safe and environment-friendly, but the curing time of the all-solid antirust wax is about 7-15 days due to the inherent oxygen reaction curing characteristic, and the all-solid antirust wax is much slower than that of solvent type antirust wax and water-based anticorrosive wax by 2-4 hours. The characteristic defect seriously influences the workability of all-solid antirust wax, and can cause serious wax dropping phenomenon after automobile spraying to cause workshop pollution. After the whole vehicle is subjected to a rain test, the uncured wax liquid is often washed away by water, so that the defect of corrosion resistance is caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a fast-curing all-solid automobile chassis anti-corrosive wax composition, which has the solid content close to 100%, reduces VOC (volatile organic compounds) emission to the maximum extent, has good oxygen curing and self-drying characteristics, can form a stable waxy anti-corrosive layer similar to the drying and curing time of solvent type anti-corrosive wax, has excellent waterproofness and corrosion resistance, and has damping performance.
In order to achieve the technical purpose, the technical scheme of the invention is that the all-solid automobile chassis anti-corrosion wax composition comprises the following components in percentage by weight: 5-20% of resin material, 5-10% of waxy material, 5-10% of vegetable oil, 1-10% of oil-soluble antirust additive, 5-10% of antirust pigment, 1-5% of drying control agent, 0.1-1% of drier, 0.1-1% of silane coupling agent and 40-70% of synthetic base oil.
Wherein the resin material is a film forming material and is one or two of alkyd resin and petroleum resin.
Preferably, the resin material is selected from one or more of heat polymerized petroleum resin and phenolic resin.
Preferably, the resin material is 110# heat polymerized petroleum resin or phenolic resin.
The waxy material is used as a film forming material and is one or more of paraffin, microcrystalline wax, polyethylene wax, Montanan wax and fatty acid metal soap.
Preferably, the waxy material is selected from polyethylene waxes.
Wherein the oil-soluble antirust additive is one or more of lanolin magnesium soap, oxidized petroleum grease, N-oleoyl sarcosine octadecylamine salt, high-base-number sulfonate, calcium petroleum sulfonate and dinonylnaphthyl sulfonate. Wherein, the acid value of the oil-soluble antirust additive adopted by the invention is 10-50mgKOH/g, and the preferred acid value of the oil-soluble antirust additive is 10-30 mgKOH/g. The number average molecular weight of the oil-soluble antirust additive adopted by the invention is between 200 and 3500, preferably between 800 and 2500.
Wherein the antirust pigment is one or more of zinc oxide, aluminum tripolyphosphate, zinc aluminum orthophosphate and strontium aluminum phosphate. The zinc content of the anti-rust pigment is 20-50%, preferably 30-40%; the aluminum content is 2-6%, preferably 3-5%; an anticorrosive pigment having an average particle diameter of 10 to 30 μm, preferably 15 to 25 μm.
Wherein the drying control agent also has an anti-skinning agent function, and is selected from one or more of di-tert-butyl-p-cresol, pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], trisnonylphenyl phosphite, and dialkyl thiodipropionate.
Wherein the drier is one or more of cobalt naphthenate, zinc naphthenate, cobalt isooctanoate, zirconium isooctanoate and rare earth cobalt zirconium salt.
Wherein the silane coupling agent is one or more of 3-aminopropyltriethoxysilane, polymethyltriethoxysilane, aminopropylmethyldiethoxysilane and phenyltrimethoxysilane.
Wherein the base oil is one or more of mineral base oil, synthetic base oil and biological base oil. The viscosity of the base oil adopted by the invention is 20-50mm2Between/s, preferably 30 to 45mm2Between/s; the density of the base oil is 0.850-0.910g/cm3Preferably 0.870-0.900g/cm3(ii) a The flash point of the base oil is 120-200 ℃, and the flash point is preferably 140-180 ℃.
Preferably, the all-solid chassis anti-corrosion wax composition comprises the following components in percentage by weight: 5-10% of 110# heat polymerized petroleum resin, 5-10% of phenolic resin, 5-10% of 80# polyethylene wax, 5-10% of soybean oil, 1-10% of petroleum sulfonate antirust agent, 5-10% of mica powder, 1-5% of trisnonylated phenyl phosphite ester, 0.1-1% of cobalt naphthenate, 0.1-1% of wollastonite powder and 40-70% of naphthenic oil.
In addition to the above-explained functional effects, in the present invention, the vegetable oil or fat functions as a softener, the rust inhibitive additive and the rust inhibitive pigment function as rust inhibitive agents, and the base oil functions as a softener. The mica powder and the wollastonite powder play a role of a damping filler, so that the anti-corrosion wax has a damping function.
The anti-corrosive wax composition of the present invention may further contain a mixture selected from the group consisting of polysiloxanes and derivatives thereof (adhesion promoters), silicones (dispersants), organocobalt salts (catalysts), organozinc salts (catalysts), organozirconium salts (catalysts), pentaerythritol esters (obfuscators), phenols (obfuscators), and phosphites (obfuscators).
The all-solid automobile chassis anticorrosive wax composition can be used for coating the inner and outer surfaces, pores or chassis of metal materials. It is especially suitable for coating chassis, frame, hinge, door, window beam or other steel plate structure and parts.
Other metals and metal alloys to which the present anti-corrosive wax composition may be applied include gold, silver, aluminum, iron, copper, tin, zinc, lead, titanium, and the like, and alloys thereof. The coated metallic material may also comprise non-metallic components and may be of any configuration and shape, including a metallic structural coating on the surface of a non-metallic material or a substrate composed entirely of a metallic material, or a non-metallic coating on the surface of a metallic material.
The invention provides a fast-curing all-solid chassis anti-corrosion wax composition, which meets the process performance of spraying operation of the automobile industry on chassis, hinges and other parts. The all-solid anticorrosive wax composition is different from the traditional solvent-based anticorrosive wax, has the solid content close to 100 percent, reduces the discharge of VOC to the maximum extent, and is different from a water-based product, thereby being more convenient for construction in winter. Meanwhile, the invention has good oxygen curing and self-drying characteristics, overcomes the defect of long curing time of common all-solid chassis anti-corrosive wax, can form a stable waxy anti-corrosive layer similar to the drying and curing time of solvent type anti-corrosive wax, and has excellent waterproofness and corrosion resistance. In addition, the invention also has a damping function and enhances the damping performance of the component.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The all-solid automobile chassis anti-corrosion wax composition comprises the following components in percentage by weight: 5-20% of resin material, 5-10% of waxy material, 5-10% of vegetable oil, 1-10% of oil-soluble antirust additive, 5-10% of antirust pigment, 1-5% of drying control agent, 0.1-1% of drier, 0.1-1% of silane coupling agent and 40-70% of base oil.
Wherein the resin material is one or two of alkyd resin and petroleum resin.
Wherein the waxy material is one or more of paraffin, microcrystalline wax, polyethylene wax, Montanan wax and fatty acid metal soap.
Wherein the oil-soluble antirust additive is one or more of lanolin magnesium soap, oxidized petroleum grease, N-oleoyl sarcosine octadecylamine salt, high-base-number sulfonate, calcium petroleum sulfonate and dinonylnaphthyl sulfonate.
Wherein the antirust pigment is one or more of zinc oxide, aluminum tripolyphosphate, zinc aluminum orthophosphate and strontium aluminum phosphate.
Wherein the drying control agent is one or more of di-tert-butyl-p-cresol, tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester, trisnonylphenyl phosphite ester and dialkyl ester of thiodipropionic acid.
Wherein the drier is one or more of cobalt naphthenate, zinc naphthenate, cobalt isooctanoate, zirconium isooctanoate and rare earth cobalt zirconium salt.
Wherein the silane coupling agent is one or more of 3-aminopropyltriethoxysilane, polymethyltriethoxysilane, aminopropylmethyldiethoxysilane and phenyltrimethoxysilane.
Wherein the base oil is one or more of mineral base oil, synthetic base oil and biological base oil.
Example 1:
an all-solid chassis anti-corrosion wax composition comprises the following components in percentage by weight: 5% of 110# heat polymerized petroleum resin, 7% of phenolic resin, 10% of 80# polyethylene wax, 10% of soybean oil, 7% of petroleum sulfonate antirust agent, 10% of mica powder, 5% of trisnonylphenyl phosphite ester, 0.5% of cobalt naphthenate, 0.5% of wollastonite powder and 45% of synthetic base oil.
Adding 110# heat polymerized petroleum resin, naphthenic oil, 80# polyethylene wax and soybean oil grease into a reaction kettle, heating to 90-110 ℃, stirring and mixing uniformly, stopping heating, adding the rest materials, stirring and mixing uniformly, cooling and cooling to obtain the all-solid chassis anticorrosion wax composition.
Example 2:
an all-solid chassis anti-corrosion wax composition comprises the following components in percentage by weight: 20% alkyd resin, 5% microcrystalline wax, 8% vegetable fat, 1% lanolin magnesium soap, 10% mixture of aluminium triphosphate and zinc tripolyphosphate, 1% trisnonylphenyl phosphite, 0.1% zinc naphthenate, 1% polymethyltriethoxysilane, 53.9% mixture of 500SN base oil and adipate.
Adding the resin material, the base oil, the waxy material and the vegetable oil into a reaction kettle, heating to 90-110 ℃, simultaneously stirring and mixing uniformly, stopping heating, adding the rest material, stirring and mixing uniformly, and cooling to obtain the all-solid chassis anticorrosion wax composition.
Example 3:
an all-solid chassis anti-corrosion wax composition comprises the following components in percentage by weight: 10% alkyd resin, 8% fatty acid metal soap, 5% vegetable oil, 10% mixture of calcium petroleum sulfonate and dinonylnaphthyl sulfonate, 8% zinc aluminum orthophosphate, 5% pentaerythritol tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ], 1% cobalt isooctanoate, 0.1% aminopropylmethyldiethoxysilane, 52.9% mixture of adipate and 26# white mineral oil.
Table 1 results of testing the properties of the articles of examples 1-3
Figure BDA0003131476920000081
Figure BDA0003131476920000091
As can be seen from Table 1, the product prepared by the embodiment of the invention has a solid content close to 100%, is quick to dry and solidify, has good damping performance, excellent water resistance, salt mist resistance and humidity resistance, excellent high-temperature creep property and low-temperature flexibility and excellent comprehensive performance.
The invention provides a full-solid automobile chassis anti-corrosive wax composition, which has the solid content close to 100%, reduces VOC emission to the maximum extent, has good oxygen curing and self-drying characteristics, can form a stable waxy anti-corrosive layer similar to the drying and curing time of solvent type anti-corrosive wax, and has excellent waterproofness, anti-corrosive property and damping performance.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (9)

1. The all-solid automobile chassis anti-corrosion wax composition is characterized by comprising the following components in percentage by weight: 5-20% of resin material, 5-10% of waxy material, 5-10% of vegetable oil, 1-10% of oil-soluble antirust additive, 5-10% of antirust pigment, 1-5% of drying control agent, 0.1-1% of drier, 0.1-1% of silane coupling agent and 40-70% of base oil.
2. The all-solid automotive chassis anti-corrosive wax composition according to claim 1, wherein the resin material is one or both of alkyd resin and petroleum resin.
3. The all-solid automotive chassis corrosion inhibiting wax composition of claim 1, wherein the waxy material is one or more of paraffin wax, microcrystalline wax, polyethylene wax, montmorillonite wax, fatty acid metal soap.
4. The all-solid automotive chassis anti-corrosive wax composition according to claim 1, wherein the oil-soluble rust-preventive additive is one or more of lanolin magnesium soap, oxidized petroleum fat, N-oleoyl sarcosine octadecylamine salt, high base number sulfonate, calcium petroleum sulfonate, dinonylnaphthyl sulfonate.
5. The all-solid automotive chassis anti-corrosive wax composition according to claim 1, wherein the rust preventive pigment is one or more of zinc oxide, aluminum tripolyphosphate, zinc aluminum orthophosphate, and strontium aluminum phosphate.
6. The all-solid automotive chassis corrosion inhibiting wax composition of claim 1, wherein the drying control agent is one or more of di-t-butyl-p-cresol, pentaerythritol tetrakis [ β - (3, 5-di-t-butyl-4-hydroxyphenyl) propionate ], trisnonylphenyl phosphite, and dialkyl thiodipropionate.
7. The all-solid automotive chassis anti-corrosive wax composition according to claim 1, wherein the drier is one or more of cobalt naphthenate, zinc naphthenate, cobalt isooctanoate, zirconium isooctanoate and rare earth cobalt zirconium salt.
8. The all-solid automotive chassis anti-corrosive wax composition according to claim 1, wherein the silane coupling agent is one or more of 3-aminopropyltriethoxysilane, polymethyltriethoxysilane, aminopropylmethyldiethoxysilane and phenyltrimethoxysilane.
9. The all-solid automotive chassis anti-corrosive wax composition according to claim 1, wherein the base oil is one or more of mineral base oil, synthetic base oil and biological base oil.
CN202110707467.XA 2021-06-24 2021-06-24 All-solid automobile chassis anti-corrosion wax composition Pending CN113416488A (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106752949A (en) * 2017-01-23 2017-05-31 上海帕卡兴产化工有限公司 A kind of solid part environmental friendly, anti-corrosive wax high and preparation method thereof
CN106867321A (en) * 2016-12-15 2017-06-20 沈阳帕卡濑精有限总公司 A kind of low VOC total solids part cavity flooding Wax composition

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106867321A (en) * 2016-12-15 2017-06-20 沈阳帕卡濑精有限总公司 A kind of low VOC total solids part cavity flooding Wax composition
CN106752949A (en) * 2017-01-23 2017-05-31 上海帕卡兴产化工有限公司 A kind of solid part environmental friendly, anti-corrosive wax high and preparation method thereof

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