CN111234684A - Steel wool-resistant super-wear-resistant resin - Google Patents
Steel wool-resistant super-wear-resistant resin Download PDFInfo
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- CN111234684A CN111234684A CN202010068373.8A CN202010068373A CN111234684A CN 111234684 A CN111234684 A CN 111234684A CN 202010068373 A CN202010068373 A CN 202010068373A CN 111234684 A CN111234684 A CN 111234684A
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- 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
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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
- 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
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention relates to the field of coatings, in particular to steel wool-resistant super-wear-resistant resin. The steel wool-resistant super wear-resistant resin comprises, by weight, 30-50 parts of polyfunctional urethane acrylate, 10-15 parts of modified epoxy acrylate, 10-15 parts of a special monomer, 8-20 parts of an auxiliary agent, 5-10 parts of a photoinitiator and 50-60 parts of a solvent; the multifunctional polyurethane acrylate is a compound of aromatic polyurethane acrylates with the functionality of 6 and 3, the special monomer is acetoacetoxyethyl methacrylate, and the auxiliary agent comprises titanium pigment filler and carboxymethyl cellulose dispersant. The super wear-resistant resin provided by the invention can resist steel wool 1KG pressure for 3000 times without traces, and has better storage stability, flexibility and adhesive force.
Description
Technical Field
The invention relates to the field of coatings, in particular to steel wool-resistant super-wear-resistant resin.
Background
Polyurethane acrylate, PUA for short, contains acrylic acid functional group and urethane bond in the molecule, has higher wear resistance, adhesion and excellent low temperature resistance and weather resistance after being cured, is often used as oligomer in photocuring resin, and is particularly applied to the plastic coating industry with higher performance requirements, such as the surfaces of 3C electronic products, automobile parts, hardware products and other substrates.
In order to enable the surface of a plastic material to have better hardness, abrasion resistance, water resistance and stain resistance, a plurality of improvement treatments are carried out on urethane acrylate at present, for example, fluorine atoms are introduced into urethane acrylate, or a fluorine additive is added into a coating system, but the problems of high cost, poor steel wool resistance, poor compatibility with the system, poor stability and the like cannot be met, and the requirements of the market on high-performance photocuring resin cannot be met.
Disclosure of Invention
In order to solve the technical problems, the invention provides a steel wool-resistant super wear-resistant resin, which comprises, by weight, 30-50 parts of polyfunctional urethane acrylate, 10-15 parts of modified epoxy acrylate, 10-15 parts of a special monomer, 8-20 parts of an auxiliary agent, 5-10 parts of a photoinitiator and 50-60 parts of a solvent.
In a preferred embodiment of the present invention, the polyfunctional urethane acrylate is an aromatic urethane acrylate and/or an aliphatic urethane acrylate.
In a preferred embodiment of the present invention, the functionality of the multifunctional urethane acrylate is 3 to 9.
As a preferable technical scheme of the invention, the special monomer is acetoacetoxyethyl methacrylate.
As a preferred technical scheme of the invention, the auxiliary agent comprises a filler, and the filler is selected from at least one of calcium carbonate, talcum powder, kaolin, silicon dioxide, titanium dioxide, white carbon black and silica powder.
As a preferable technical solution of the present invention, the auxiliary agent further includes a dispersant, and the dispersant is at least one selected from the group consisting of carboxymethyl cellulose, sodium polyacrylate, lignosulfonate, and hydroxypropyl cellulose.
In a preferred embodiment of the present invention, the photoinitiator is at least one selected from the group consisting of phenylbis (2,4, 6-trimethylbenzoyl) phosphine oxide, 2,4, 6-trimethylbenzophenone, and isopropylthioxanthone.
In a preferred embodiment of the present invention, the solvent is at least one selected from the group consisting of ethanol, isopropanol, n-butanol, ethylene glycol monobutyl ether, propylene glycol methyl ether, methyl ethyl ketone, ethyl acetate, and butyl acetate.
The second aspect of the invention provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: according to the weight parts, the modified epoxy acrylate, the special monomer and the photoinitiator are mixed and stirred, and then the polyfunctional urethane acrylate, the auxiliary agent and the solvent are sequentially added, mixed and stirred to obtain the steel wool resistant super wear-resistant resin.
The third aspect of the invention provides application of the steel wool-resistant super wear-resistant resin, wherein the super wear-resistant resin is applied to 3C electronic products, automobile parts, hardware and the like.
Has the advantages that: the invention provides steel wool-resistant super-wear-resistant resin, which is prepared by compounding polyurethane acrylate with two kinds of functionality, adding a special monomer, modified epoxy acrylate, titanium white powder as a filler and carboxymethyl cellulose as a dispersing agent, so that the steel wool-resistant performance of a resin paint film is obviously improved, the steel wool-resistant paint film can resist steel wool 1KG pressure for 3000 times without marks, has better storage stability and low curing shrinkage, has better adhesive force on the surface of a base material, is good in flexibility, is not easy to crack, and cannot be yellowed under illumination.
Detailed Description
The disclosure may be understood more readily by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when a range of "1 to 5" is disclosed, the described range should be interpreted to include the ranges "1 to 4", "1 to 3", "1 to 2 and 4 to 5", "1 to 3 and 5", and the like. When a range of values is described herein, unless otherwise stated, the range is intended to include the endpoints thereof and all integers and fractions within the range.
In addition, the indefinite articles "a" and "an" preceding an element or component of the invention are not intended to limit the number requirement (i.e., the number of occurrences) of the element or component. Thus, "a" or "an" should be read to include one or at least one, and the singular form of an element or component also includes the plural unless the stated number clearly indicates that the singular form is intended.
In order to solve the technical problems, the invention provides a steel wool-resistant super wear-resistant resin in a first aspect, wherein raw materials of the super wear-resistant resin comprise 30-50 parts of multifunctional urethane acrylate, 10-15 parts of modified epoxy acrylate, 10-15 parts of a special monomer, 8-20 parts of an auxiliary agent, 5-10 parts of a photoinitiator and 50-60 parts of a solvent; preferably, the raw materials of the super wear-resistant resin comprise 42 parts of multifunctional urethane acrylate, 12 parts of modified epoxy acrylate, 12 parts of special monomer, 15 parts of auxiliary agent, 7 parts of photoinitiator and 55 parts of solvent.
In some embodiments, the multifunctional urethane acrylate is an aromatic urethane acrylate and/or an aliphatic urethane acrylate.
In some embodiments, the multifunctional urethane acrylate has a functionality of 3 to 9.
In a preferred embodiment, the multifunctional urethane acrylate is an aromatic urethane acrylate, and the aromatic urethane acrylate is a compound of an aromatic urethane acrylate with a functionality of 6 and an aromatic urethane acrylate with a functionality of 3, wherein the weight ratio of the two is 6: 1. the aromatic urethane acrylate in the present invention can be obtained commercially, and for example, the commercially available aromatic urethane acrylate includes, but is not limited to, a product (functionality 6) of 7160 and a product (functionality 3) of 7130, which are constant photo-protective new materials, ltd. The functionality described in the present invention is the average number of reactive functional groups acrylic acid present on the urethane acrylate chain.
In some embodiments, the specialty monomer is acetoacetoxyethyl methacrylate.
The acetoacetoxyethyl methacrylate, which is chemically named 2- [ (2-methyl-1-oxy-2-propenyl) oxy ] ethyl 3-oxybutyrate, AAEM for short, and CAS number 021282-97-3, is a methacrylic acid monomer and is commercially available, for example, acetoacetoxyethyl methacrylate includes but is not limited to a product (brand AAEM, content 98 wt%) purchased from Sanwang chemical materials, Guangzhou.
The modified epoxy acrylate of the present invention is for adjusting the curing speed, and is commercially available, for example, commercially available modified epoxy acrylate includes but is not limited to adipic acid modified epoxy acrylate (functionality 2) having 6400D-80 available from Henren photo environmental protection New materials, Inc. of Jiangmen.
The molecular chain of the multifunctional urethane acrylate contains carbon-carbon double bonds and urethane bonds, so that the multifunctional urethane acrylate has high reaction activity, and forms multiple hydrogen bonds among the molecular chains, thereby effectively improving the crosslinking density of resin and obviously improving the wear resistance of a paint film, but in order to ensure the flexibility of the multifunctional urethane acrylate, the multifunctional urethane acrylate uses a compound of aromatic urethane acrylate with the functionality of 6 and the functionality of 3. In addition, in order to further enhance the wear resistance of the resin and enable the steel wool resistance frequency of the resin to reach more than 3000 times, the invention simultaneously introduces a special monomer of acetoacetoxyethyl methacrylate, the molecular structure of the acetoacetoxyethyl methacrylate contains a terminal group double bond and a terminal group acetoacetyl group, wherein the acetoacetyl group further enhances the crosslinking degree of the resin and improves the wear resistance of a paint film due to the conjugated effect of dicarbonyl. However, there are two problems, that the urethane acrylate doped with the modified epoxy acrylate and the acetoacetoxyethyl methacrylate has a high curing shrinkage rate and is liable to cause yellowing problems, thereby affecting the appearance of the resin and the adhesion to the surface of the substrate, while the acetoacetoxyethyl methacrylate is liable to generate a macrocyclic hydrogen bond lactone by introducing an acetoacetyl group into the system, thereby reducing the storage stability of the resin, and particularly, the resin is liable to undergo coagulation deterioration under light conditions.
In some embodiments, the auxiliary agent comprises a filler selected from at least one of calcium carbonate, talc, kaolin, silica, titanium dioxide, white carbon black, silica flour; preferably, the filler is titanium dioxide.
In some embodiments, the adjuvant further comprises a dispersing agent selected from at least one of carboxymethyl cellulose, sodium polyacrylate, lignosulfonate, hydroxypropyl cellulose; preferably, the dispersant is carboxymethyl cellulose.
The titanium white powder is used as a filler and can be obtained commercially, for example, the commercially available titanium white powder includes but is not limited to a product (rutile type) purchased from yixing inventor chemical company ltd in the mountain of Buddha; the carboxymethyl cellulose is for enhancing the dispersibility of the raw material components in the system, and can be obtained commercially, for example, the commercially available carboxymethyl cellulose includes but is not limited to those purchased from gay city, also Bo chemical Co., Ltd. In addition, the applicant unexpectedly finds that the resin added with titanium dioxide and carboxymethyl cellulose has the advantages of good storage stability, yellowing resistance, low curing shrinkage, good adhesive force on the surface of a base material, good flexibility of a paint film and difficulty in cracking. The probable reason is presumed to be that titanium dioxide has better ultraviolet ray blocking capacity, can prevent the resin from coagulating, deteriorating and yellowing under the illumination condition to a certain extent, is a non-shrinkable additive and can reduce the shrinkage rate in the resin curing process, and carboxymethyl cellulose is adsorbed on the surface of titanium dioxide through the acting force of polar groups, so that titanium dioxide is uniformly dispersed in the resin, the curing shrinkage rate is reduced, and the flexibility of a paint film is improved due to the structural characteristics of carboxymethyl cellulose.
In some embodiments, the photoinitiator is selected from at least one of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, 2,4, 6-trimethylbenzophenone, isopropylthioxanthone; preferably, the photoinitiator is phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, which is commercially available, for example, commercially available phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide includes, but is not limited to, product model P2312 (purity: > 96.0%) purchased from Chiese chemical industry development Limited.
In some embodiments, the solvent is selected from at least one of ethanol, isopropanol, n-butanol, ethylene glycol monobutyl ether, propylene glycol methyl ether, methyl ethyl ketone, ethyl acetate, butyl acetate; in consideration of the viscosity of the resin in the present invention, preferably, the solvent is selected from butyl acetate.
The second aspect of the invention provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: according to the weight parts, the modified epoxy acrylate, the special monomer and the photoinitiator are mixed and stirred, and then the polyfunctional urethane acrylate, the auxiliary agent and the solvent are sequentially added, mixed and stirred to obtain the steel wool resistant super wear-resistant resin.
The third aspect of the invention provides application of the steel wool-resistant super wear-resistant resin, and the super wear-resistant resin can be applied to 3C electronic products, automobile parts, hardware and the like.
Examples
Example 1
The embodiment provides a steel wool-resistant super wear-resistant resin, which comprises, by weight, 36 parts of an aromatic urethane acrylate with a functionality of 6, 6 parts of an aromatic urethane acrylate with a functionality of 3, 12 parts of adipic acid modified epoxy acrylate, 12 parts of acetoacetoxyethyl methacrylate, 13.5 parts of titanium dioxide, 1.5 parts of carboxymethyl cellulose, 7 parts of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, and 55 parts of butyl acetate. The aromatic polyurethane acrylate with the functionality of 6 is purchased from Heng light environmental protection new materials, Inc. constant in Jiangmen city, and the number of the aromatic polyurethane acrylate is 7160; the aromatic polyurethane acrylate with the functionality of 3 is purchased from Henming light-environment-friendly new material company, Inc. with the number of 7130; the adipic acid modified epoxy acrylate is purchased from Heng light environmental protection new material company, and is numbered 6400D-80.
The invention also provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: mixing and stirring adipic acid modified epoxy acrylate, acetoacetoxyethyl methacrylate and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide according to the parts by weight, then sequentially adding aromatic urethane acrylate, titanium dioxide, carboxymethyl cellulose and butyl acetate, and mixing and stirring to obtain the steel wool resistant super wear-resistant resin.
Example 2
The embodiment provides a steel wool-resistant super wear-resistant resin, which comprises, by weight, 36 parts of aromatic urethane acrylate with a functionality of 6, 6 parts of aromatic urethane acrylate with a functionality of 3, 12 parts of adipic acid modified epoxy acrylate, 13.5 parts of titanium dioxide, 1.5 parts of carboxymethyl cellulose, 7 parts of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, and 55 parts of butyl acetate. The aromatic polyurethane acrylate with the functionality of 6 is purchased from Heng light environmental protection new materials, Inc. constant in Jiangmen city, and the number of the aromatic polyurethane acrylate is 7160; the aromatic polyurethane acrylate with the functionality of 3 is purchased from Henming light-environment-friendly new material company, Inc. with the number of 7130; the adipic acid modified epoxy acrylate is purchased from Heng light environmental protection new material company, and is numbered 6400D-80.
The invention also provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: mixing and stirring adipic acid modified epoxy acrylate and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide according to the parts by weight, then sequentially adding aromatic urethane acrylate, titanium dioxide, carboxymethyl cellulose and butyl acetate, and mixing and stirring to obtain the steel wool resistant super wear-resistant resin.
Example 3
The embodiment provides a steel wool-resistant super wear-resistant resin, which comprises, by weight, 42 parts of aromatic urethane acrylate with a functionality of 6, 12 parts of adipic acid modified epoxy acrylate, 12 parts of acetoacetoxyethyl methacrylate, 13.5 parts of titanium dioxide, 1.5 parts of carboxymethyl cellulose, 7 parts of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, and 55 parts of butyl acetate. The aromatic polyurethane acrylate with the functionality of 6 is purchased from Heng light environmental protection new materials, Inc. constant in Jiangmen city, and the number of the aromatic polyurethane acrylate is 7160; the adipic acid modified epoxy acrylate is purchased from Heng light environmental protection new material company, and is numbered 6400D-80.
The invention also provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: mixing and stirring adipic acid modified epoxy acrylate, acetoacetoxyethyl methacrylate and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide according to the parts by weight, then sequentially adding aromatic urethane acrylate, titanium dioxide, carboxymethyl cellulose and butyl acetate, and mixing and stirring to obtain the steel wool resistant super wear-resistant resin.
Example 4
The embodiment provides a steel wool-resistant super wear-resistant resin, which comprises, by weight, 36 parts of aromatic urethane acrylate with a functionality of 6, 6 parts of aromatic urethane acrylate with a functionality of 3, 12 parts of adipic acid modified epoxy acrylate, 12 parts of acetoacetoxyethyl methacrylate, 13.5 parts of titanium dioxide, 1.5 parts of sodium lignosulfonate, 7 parts of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, and 55 parts of butyl acetate. The aromatic polyurethane acrylate with the functionality of 6 is purchased from Heng light environmental protection new materials, Inc. constant in Jiangmen city, and the number of the aromatic polyurethane acrylate is 7160; the aromatic polyurethane acrylate with the functionality of 3 is purchased from Henming light-environment-friendly new material company, Inc. with the number of 7130; the adipic acid modified epoxy acrylate is purchased from Heng light environmental protection new material company, and is numbered 6400D-80.
The invention also provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: mixing and stirring adipic acid modified epoxy acrylate, acetoacetoxyethyl methacrylate and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide according to the parts by weight, then sequentially adding aromatic urethane acrylate, titanium dioxide, sodium lignosulphonate and butyl acetate, and mixing and stirring to obtain the steel wool resistant super-wear-resistant resin.
Example 5
The embodiment provides a steel wool-resistant super wear-resistant resin, which comprises, by weight, 36 parts of aromatic urethane acrylate with a functionality of 6, 6 parts of aromatic urethane acrylate with a functionality of 3, 12 parts of adipic acid modified epoxy acrylate, 13.5 parts of titanium dioxide, 1.5 parts of sodium lignosulfonate, 7 parts of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, and 55 parts of butyl acetate. The aromatic polyurethane acrylate with the functionality of 6 is purchased from Heng light environmental protection new materials, Inc. constant in Jiangmen city, and the number of the aromatic polyurethane acrylate is 7160; the aromatic polyurethane acrylate with the functionality of 3 is purchased from Henming light-environment-friendly new material company, Inc. with the number of 7130; the adipic acid modified epoxy acrylate is purchased from Heng light environmental protection new material company, and is numbered 6400D-80.
The invention also provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: mixing and stirring adipic acid modified epoxy acrylate and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide according to the parts by weight, then sequentially adding aromatic urethane acrylate, titanium dioxide, sodium lignosulphonate and butyl acetate, and mixing and stirring to obtain the steel wool resistant super wear-resistant resin.
Example 6
The embodiment provides a steel wool-resistant super wear-resistant resin, which comprises, by weight, 36 parts of aromatic urethane acrylate with a functionality of 6, 6 parts of aromatic urethane acrylate with a functionality of 3, 12 parts of adipic acid modified epoxy acrylate, 12 parts of acetoacetoxyethyl methacrylate, 1.5 parts of carboxymethyl cellulose, 7 parts of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, and 55 parts of butyl acetate. The aromatic polyurethane acrylate with the functionality of 6 is purchased from Heng light environmental protection new materials, Inc. constant in Jiangmen city, and the number of the aromatic polyurethane acrylate is 7160; the aromatic polyurethane acrylate with the functionality of 3 is purchased from Henming light-environment-friendly new material company, Inc. with the number of 7130; the adipic acid modified epoxy acrylate is purchased from Heng light environmental protection new material company, and is numbered 6400D-80.
The invention also provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: mixing and stirring adipic acid modified epoxy acrylate, acetoacetoxyethyl methacrylate and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide according to the parts by weight, then sequentially adding aromatic urethane acrylate, carboxymethyl cellulose and butyl acetate, and mixing and stirring to obtain the steel wool resistant super-wear-resistant resin.
Example 7
The embodiment provides a steel wool-resistant super wear-resistant resin, which comprises, by weight, 36 parts of aromatic urethane acrylate with a functionality of 6, 6 parts of aromatic urethane acrylate with a functionality of 3, 12 parts of adipic acid modified epoxy acrylate, 12 parts of acetoacetoxyethyl methacrylate, 13.5 parts of talcum powder, 1.5 parts of carboxymethyl cellulose, 7 parts of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, and 55 parts of butyl acetate. The aromatic polyurethane acrylate with the functionality of 6 is purchased from Heng light environmental protection new materials, Inc. constant in Jiangmen city, and the number of the aromatic polyurethane acrylate is 7160; the aromatic polyurethane acrylate with the functionality of 3 is purchased from Henming light-environment-friendly new material company, Inc. with the number of 7130; the adipic acid modified epoxy acrylate is purchased from Heng light environmental protection new material company, and is numbered 6400D-80.
The invention also provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: mixing and stirring adipic acid modified epoxy acrylate, acetoacetoxyethyl methacrylate and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide according to the parts by weight, then sequentially adding aromatic urethane acrylate, talcum powder, carboxymethyl cellulose and butyl acetate, and mixing and stirring to obtain the steel wool resistant super wear-resistant resin.
Example 8
The embodiment provides a steel wool-resistant super wear-resistant resin, which comprises, by weight, 36 parts of an aromatic urethane acrylate with a functionality of 6, 6 parts of an aromatic urethane acrylate with a functionality of 3, 12 parts of sebacic acid-modified epoxy acrylate, 12 parts of acetoacetoxyethyl methacrylate, 13.5 parts of titanium dioxide, 1.5 parts of carboxymethyl cellulose, 7 parts of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, and 55 parts of butyl acetate. The aromatic polyurethane acrylate with the functionality of 6 is purchased from Heng light environmental protection new materials, Inc. constant in Jiangmen city, and the number of the aromatic polyurethane acrylate is 7160; the aromatic polyurethane acrylate with the functionality of 3 is purchased from Henming light-environment-friendly new material company, Inc. with the number of 7130; the sebacic acid modified epoxy acrylate is purchased from Hema constant New photo-environmental protection materials, Inc., and is numbered 6263.
The invention also provides a preparation method of the steel wool-resistant super wear-resistant resin, which comprises the following steps: according to the parts by weight, sebacic acid modified epoxy acrylate, acetoacetoxyethyl methacrylate and phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide are mixed and stirred, then aromatic polyurethane acrylate, titanium dioxide, carboxymethyl cellulose and butyl acetate are sequentially added, and the mixture is mixed and stirred to obtain the steel wool resistant super wear-resistant resin.
Evaluation of Performance
The super-abrasion-resistant resin prepared in examples 1 to 8 was coated on the surface of an ABS plate by automatic line spraying, and the film thickness was 16 to 18 μm.
Appearance: visual inspection of
Steel wool resistance: according to GB/T1768-2006, a wear-resistance tester is adopted to test the steel wire fuzz resistance of the paint film, 1KG force is repeated, and the times of obvious grinding marks on the surface of the paint film are recorded.
And (3) testing the adhesive force: the method applies the grid cutting method and grades according to the rating standard specified in GB/T9286-88.
Flexibility test: measured by using a flexibility tester described in GB/T1731-93.
TABLE 1
The super wear-resistant resin prepared in the embodiment 1 can exist stably for a long time, and according to the table 1, the special monomer and the carboxymethyl cellulose are added into the resin simultaneously, so that the steel wool resistance and the flexibility of a paint film are improved, the titanium white powder is added as a filler, the curing shrinkage rate of the resin is reduced, and the adhesive force of the paint film on the surface of a base material is enhanced.
The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (10)
1. The steel wool-resistant super wear-resistant resin is characterized by comprising, by weight, 30-50 parts of polyfunctional urethane acrylate, 10-15 parts of modified epoxy acrylate, 10-15 parts of a special monomer, 8-20 parts of an auxiliary agent, 5-10 parts of a photoinitiator and 50-60 parts of a solvent.
2. A steel wool-resistant ultra wear-resistant resin according to claim 1, wherein said multifunctional urethane acrylate is an aromatic urethane acrylate and/or an aliphatic urethane acrylate.
3. The steel wool-resistant super abrasion-resistant resin according to claim 2, wherein the functionality of the multifunctional urethane acrylate is 3 to 9.
4. The steel wool-resistant superabrasive resin of claim 1, wherein the specialty monomer is acetoacetoxyethyl methacrylate.
5. The steel wool-resistant super abrasion-resistant resin according to claim 1, wherein said auxiliary comprises a filler selected from at least one of calcium carbonate, talc, kaolin, silica, titanium dioxide, white carbon black and silica powder.
6. The steel wool-resistant super abrasive resin according to claim 5, wherein said auxiliary agent further comprises a dispersant selected from at least one of carboxymethyl cellulose, sodium polyacrylate, lignosulfonate, and hydroxypropyl cellulose.
7. The steel wool-resistant superabrasive resin of claim 1, wherein the photoinitiator is selected from at least one of phenyl bis (2,4, 6-trimethylbenzoyl) phosphine oxide, 2,4, 6-trimethylbenzophenone, and isopropyl thioxanthone.
8. The steel wool-resistant super abrasion-resistant resin according to claim 1, wherein said solvent is at least one selected from the group consisting of ethanol, isopropanol, n-butanol, ethylene glycol monobutyl ether, propylene glycol methyl ether, methyl ethyl ketone, ethyl acetate, and butyl acetate.
9. A method for preparing the steel wool-resistant super wear-resistant resin according to any one of claims 1 to 8, comprising the following steps: according to the weight parts, the modified epoxy acrylate, the special monomer and the photoinitiator are mixed and stirred, and then the polyfunctional urethane acrylate, the auxiliary agent and the solvent are sequentially added, mixed and stirred to obtain the steel wool resistant super wear-resistant resin.
10. Use of the steel wool-resistant super wear-resistant resin according to any one of claims 1 to 8, wherein the super wear-resistant resin is applied to 3C electronic products, automobile parts and hardware.
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| CN202010068373.8A CN111234684A (en) | 2020-01-21 | 2020-01-21 | Steel wool-resistant super-wear-resistant resin |
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