CN108841240B - Mirror silver ink and preparation method and product thereof - Google Patents
Mirror silver ink and preparation method and product thereof Download PDFInfo
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- CN108841240B CN108841240B CN201810743108.8A CN201810743108A CN108841240B CN 108841240 B CN108841240 B CN 108841240B CN 201810743108 A CN201810743108 A CN 201810743108A CN 108841240 B CN108841240 B CN 108841240B
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/104—Polyesters
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Abstract
The invention relates to the field of printing ink, and particularly provides mirror silver printing ink and a preparation method and a product thereof. The water-based acrylic modified polyester resin in the mirror silver ink can improve the chemical resistance of the mirror silver ink coating. The water-based baking varnish epoxy resin can improve the alkali resistance of the mirror silver ink coating. The water-based blocked isocyanate curing agent and the water-based phenylamino resin can improve the crosslinking density among raw materials. The modified silane coupling agent can be directly added into the mirror silver ink, does not affect the storage stability, and simultaneously improves the water resistance of the ink coating and the binding force with the substrate. The mirror surface silver ink has no harm to human bodies and environment, does not need a protective layer, can be cleaned by 4 percent NaOH at 70 ℃ by a single layer of coating, does not drop silver, does not influence adhesion and does not influence the mirror surface effect.
Description
Technical Field
The invention relates to the field of printing ink, in particular to mirror silver printing ink and a preparation method and a product thereof.
Background
The mirror silver ink is prepared by using mirror silver, a small amount of resin and a special diluent as basic materials, is printed on the back surface of a transparent sheet by screen printing, and has a mirror surface or gold stamping surface gloss effect when viewed from the front surface. The mirror silver ink has excellent covering performance and the same mirror effect as silver evaporation sheets.
At present, most of mirror silver on the market is an oily system, so that the resin, the diluent and the auxiliary agent in the ink are solvent-based. The printing ink is required to be as thin as water during screen printing, so a large amount of diluent is required to be added, the VOC content is high, and the environmental pollution is large. Meanwhile, the preparation process of the product comprises the steps of boiling water, alkali treatment, ultrasonic cleaning and the like, the coating structure of the ink can be damaged in the processes, so that the ink loses luster and adhesive force, and the mirror silver ink coating is directly cleaned. The existing solution is to coat a protective layer on the surface of the mirror silver ink, which improves the recoatability requirement of the mirror silver ink, affects the silver row and further affects the mirror effect. In the existing mirror surface silver ink, a coupling agent is added during construction, otherwise, the storage of the mirror surface silver ink is not facilitated, and the operation also causes inconvenience to the construction.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The first purpose of the invention is to provide the mirror silver ink to solve the technical problems that an oil system in the prior art has great harm to human bodies and the environment, the mirror silver ink is not alkali-resistant and cannot be cleaned by ultrasonic waves, a protective layer is needed, a coupling agent is needed to be added when construction is needed, and the like.
The second purpose of the invention is to provide a preparation method of the mirror silver ink, and the mirror silver ink prepared by the preparation method has stable performance and is convenient to store.
The third purpose of the invention is to provide a product containing the mirror silver ink.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
the invention provides mirror silver ink which comprises the following raw materials in parts by weight: 5-10 parts of water-based mirror silver paste, 8-15 parts of water-based closed isocyanate curing agent, 8-15 parts of water-based phenylated amino resin, 5-10 parts of water-based baking varnish epoxy resin, 70-90 parts of water-based acrylic modified polyester resin, 0.1-0.5 part of defoaming agent, 1-2 parts of modified silane coupling agent, 0.5-1 part of polyamide wax silver remover, 0-5 parts of pigment and 5-10 parts of solvent.
Further, the feed additive comprises the following raw materials in parts by weight: 6-9 parts of water-based mirror silver paste, 9-14 parts of water-based closed isocyanate curing agent, 9-14 parts of water-based phenylated amino resin, 6-9 parts of water-based baking varnish epoxy resin, 75-85 parts of water-based acrylic modified polyester resin, 0.2-0.5 part of defoaming agent, 1.1-1.9 parts of modified silane coupling agent, 0.5-0.9 part of polyamide wax silver remover, 1-5 parts of pigment and 5-9 parts of solvent.
Further, the feed additive comprises the following raw materials in parts by weight: 7-8 parts of water-based mirror silver paste, 10-13 parts of water-based closed isocyanate curing agent, 10-13 parts of water-based phenylated amino resin, 7-8 parts of water-based baking varnish epoxy resin, 77-83 parts of water-based acrylic modified polyester resin, 0.2-0.4 part of defoaming agent, 1.2-1.8 parts of modified silane coupling agent, 0.6-0.9 part of polyamide wax silver remover, 2-4 parts of pigment and 6-9 parts of solvent.
Further, the pigment comprises phthalocyanine blue paste;
preferably, the solvent is an aqueous solvent, preferably water, and more preferably deionized water.
Further, the defoaming agent is a silicone defoaming agent, preferably a water-based silicone defoaming agent.
The invention also provides a preparation method of the mirror silver ink, which comprises the following steps: and uniformly mixing the raw materials to obtain the mirror-like silver ink.
Further, adding a modified silane coupling agent and aqueous mirror silver paste into a first solution containing an aqueous blocked isocyanate curing agent, aqueous phenylamine resin, aqueous baking varnish epoxy resin, aqueous acrylic acid modified polyester resin, a defoaming agent, a polyamide wax silver discharging agent, a pigment and a solvent, and mixing at the speed of 500-700r/min for 10-20min to obtain the mirror silver ink.
Further, adding a water-based blocked isocyanate curing agent and a water-based phenylated amino resin into a second solution containing a water-based baking varnish epoxy resin, a water-based acrylic modified polyester resin, a defoaming agent, a polyamide wax silver discharging agent, a pigment and a solvent, and mixing at 500-700r/min for 10-20min to obtain the first solution.
Further, adding a defoaming agent, a polyamide wax silver discharging agent and a pigment into a third solution containing the waterborne baking varnish epoxy resin, the waterborne acrylic modified polyester resin and a solvent, and mixing at 900-.
The invention finally provides a product containing the mirror silver ink, which is prepared by printing the mirror silver ink coating with a single coating on the surface of a product substrate.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides mirror silver ink, and the water-based acrylic acid modified polyester resin in the mirror silver ink can improve the chemical resistance of a mirror silver ink coating. The water-based baking varnish epoxy resin can improve the alkali resistance of the mirror silver ink coating. The water-based blocked isocyanate curing agent and the water-based phenylamino resin can improve the crosslinking density among raw materials. The modified silane coupling agent can be directly added into the mirror silver ink, does not affect the storage stability, and simultaneously improves the water resistance of the ink coating and the binding force with the substrate. The mirror surface silver ink has no harm to human bodies and environment, does not need a protective layer, can be cleaned by 4 percent NaOH at 70 ℃ by a single layer of coating, does not drop silver, does not influence adhesion and does not influence the mirror surface effect.
The preparation method of the mirror silver ink provided by the invention has the advantages that the preparation process is simple and easy to operate, no special process and equipment are needed, and the industrial production can be realized.
The invention provides a product containing the mirror silver ink, which has good mirror effect, does not fade, does not drop silver, does not have a gloss oil protective layer, and reduces the thickness of a base material.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to examples, but it will be understood by those skilled in the art that the following examples are only illustrative of the present invention and should not be construed as limiting the scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer.
The invention provides mirror silver ink which comprises the following raw materials in parts by weight: 5-10 parts of water-based mirror silver paste, 8-15 parts of water-based closed isocyanate curing agent, 8-15 parts of water-based phenylated amino resin, 5-10 parts of water-based baking varnish epoxy resin, 70-90 parts of water-based acrylic modified polyester resin, 0.1-0.5 part of defoaming agent, 1-2 parts of modified silane coupling agent, 0.5-1 part of polyamide wax silver remover, 0-5 parts of pigment and 5-10 parts of solvent.
The water-based acrylic modified polyester resin in the mirror silver ink can improve the chemical resistance of the mirror silver ink coating. The water-based baking varnish epoxy resin can improve the alkali resistance of the mirror silver ink coating. The water-based blocked isocyanate curing agent and the water-based phenylamino resin can improve the crosslinking density among raw materials. The modified silane coupling agent can be directly added into the mirror silver ink, does not affect the storage stability, and simultaneously improves the water resistance of the ink coating and the binding force with the substrate. The mirror surface silver ink has no harm to human bodies and environment, does not need a protective layer, can be cleaned by 4 percent NaOH at 70 ℃ by a single layer of coating, does not drop silver, does not influence adhesion and does not influence the mirror surface effect.
The aqueous mirror silver paste is typically, but not limited to, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts or 10 parts by weight; the aqueous blocked isocyanate curing agent is typically, but not limited to, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts or 15 parts; the aqueous phenylamino resin is typically, but not limited to, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts or 15 parts; waterborne baking varnish epoxy resins are typically, but not limited to, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, or 10 parts; the waterborne acrylic modified polyester resin is typically, but not limited to, 70 parts, 72 parts, 75 parts, 77 parts, 80 parts, 83 parts, 85 parts, 88 parts, or 90 parts; defoamers are typically, but not limited to, 0.1 part, 0.2 part, 0.3 part, 0.4 part, or 0.5 part; the modified silane coupling agent is typically, but not limited to, 1 part, 1.2 parts, 1.4 parts, 1.6 parts, 1.8 parts, or 2 parts; the polyamide wax silver stripping agent is typically, but not limited to, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts, 0.9 parts, or 1 part; pigments are typically, but not limited to, 0 part, 1 part, 2 parts, 3 parts, 4 parts, or 5 parts; the solvent is typically, but not limited to, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, or 10 parts.
In a preferred embodiment of the present invention, the mirror silver ink is composed of the following raw materials in parts by weight: 6-9 parts of water-based mirror silver paste, 9-14 parts of water-based closed isocyanate curing agent, 9-14 parts of water-based phenylated amino resin, 6-9 parts of water-based baking varnish epoxy resin, 75-85 parts of water-based acrylic modified polyester resin, 0.2-0.5 part of defoaming agent, 1.1-1.9 parts of modified silane coupling agent, 0.5-0.9 part of polyamide wax silver remover, 1-5 parts of pigment and 5-9 parts of solvent.
In a preferred embodiment of the present invention, the mirror silver ink is composed of the following raw materials in parts by weight: 7-8 parts of water-based mirror silver paste, 10-13 parts of water-based closed isocyanate curing agent, 10-13 parts of water-based phenylated amino resin, 7-8 parts of water-based baking varnish epoxy resin, 77-83 parts of water-based acrylic modified polyester resin, 0.2-0.4 part of defoaming agent, 1.2-1.8 parts of modified silane coupling agent, 0.6-0.9 part of polyamide wax silver remover, 2-4 parts of pigment and 6-9 parts of solvent.
Through further optimization of the raw material ratio, the storage stability of the mirror surface silver ink is better facilitated, the alkali-resistant and ultrasonic-resistant cleaning effects of the coating are better, and the mirror surface effect is better.
In a preferred embodiment of the invention, the pigment comprises a phthalocyanine blue paste. Phthalocyanine blue is a chemical substance with a molecular formula of C32H16CuN8. The phthalocyanine blue has high crystallinity and stability and strong tinting strength.
In a preferred embodiment of the present invention, the solvent is an aqueous solvent, preferably water, and more preferably deionized water.
In a preferred embodiment of the invention, the defoamer is a silicone defoamer, preferably a water-based silicone defoamer.
In a preferred embodiment of the present invention, the modified silane coupling agent comprises gamma-glycidoxypropyltrimethoxysilane, such as Ipomoea 2926; the water-based mirror silver paste comprises non-floating aluminum silver paste; the water-based blocked isocyanate curing agent comprises water-based blocked isocyanate taking HDI as a matrix, such as Baxinton BI 7986; the aqueous phenylaminoic resin includes high alkyl etherified monomeric type phenylaminoamine resin such as cyanohydrin 659; waterborne stoving varnish epoxy resins include nonionic waterborne bisphenol a resins such as the dual cure chemistry Banco 5175; the polyamide wax silver remover comprises BYK AQUATIX 8421.
The invention provides a preparation method of the mirror silver ink, which comprises the following steps: and uniformly mixing the raw materials to obtain the mirror-like silver ink. The method has simple preparation process, easy operation, no need of special process and equipment, and industrial production.
In a preferred embodiment of the invention, the modified silane coupling agent and the aqueous mirror silver paste are added into a first solution containing the aqueous blocked isocyanate curing agent, the aqueous phenylamine resin, the aqueous baking varnish epoxy resin, the aqueous acrylic modified polyester resin, the defoaming agent, the polyamide wax silver discharging agent, the pigment and the solvent, and the mixture is mixed at the speed of 500-700r/min for 10-20min to obtain the mirror silver ink.
In a preferred embodiment of the invention, the second solution containing the waterborne baking varnish epoxy resin, the waterborne acrylic modified polyester resin, the defoaming agent, the polyamide wax silver discharging agent, the pigment and the solvent is added with the waterborne blocked isocyanate curing agent and the waterborne phenylaminoic resin, and the mixture is mixed for 10 to 20 minutes at 500-700r/min to obtain the first solution.
In a preferred embodiment of the invention, the defoaming agent, the polyamide wax silver discharging agent and the pigment are added into the third solution containing the aqueous baking varnish epoxy resin, the aqueous acrylic modified polyester resin and the solvent, and the mixture is mixed for 10-20min at 900-1100r/min to obtain the second solution.
In a preferred embodiment of the present invention, the preparation method of the mirror silver ink comprises the following steps:
1) uniformly mixing the waterborne baking varnish epoxy resin, the waterborne acrylic modified polyester resin and the solvent.
2) Adding the defoaming agent, the polyamide wax silver discharging agent and the pigment into the mixture of the step 1), and mixing for 10-20min at the speed of 1000 r/min.
3) Adding the waterborne phenylamino resin and the waterborne blocked isocyanate curing agent into the mixture obtained in the step 2), and mixing for 10-20min at a speed of 600 r/min.
4) Adding the modified silane coupling agent and the water-based mirror silver paste into the step 3), and mixing for 10-20min at a speed of 600 r/min.
The invention finally provides a product containing the mirror silver ink, which is prepared by printing the mirror silver ink coating with a single coating on the surface of a product substrate. The product has good mirror effect, no fading, no silver loss, no gloss oil protective layer, and reduced thickness of the substrate.
In order to facilitate understanding of the technical solutions provided by the present invention, the technical solutions provided by the present invention are further described below with reference to the embodiments.
Example 1
The embodiment provides mirror silver ink which comprises the following raw materials in parts by weight: 5 parts of non-floating aluminum paste, 798615 parts of Baxinton BI, 6598 parts of cyanite, 517510 parts of co-curing chemical Banco, 70 parts of waterborne acrylic modified polyester resin, 0.5 part of waterborne silicone defoamer, 29261 parts of Yingchuang, 84211 parts of BYK AQUATIX and 10 parts of water.
Example 2
The embodiment provides mirror silver ink which comprises the following raw materials in parts by weight: 10 parts of non-floating aluminum paste, 79868 parts of Baxinton BI, 65915 parts of cyanite, 51755 parts of co-curing chemical Banco, 70 parts of waterborne acrylic modified polyester resin, 0.1 part of waterborne silicone defoamer, 29262 parts of Yingchuang, 84210.5 parts of BYK AQUATIX, 5 parts of phthalocyanine blue color paste and 5 parts of water.
Example 3
The embodiment provides mirror silver ink which comprises the following raw materials in parts by weight: 6 parts of non-floating aluminum paste, 798614 parts of Baxinton BI, 6599 parts of cyanite, 51759 parts of co-curing chemical Banco, 70 parts of waterborne acrylic modified polyester resin, 0.5 part of waterborne organic silicon defoamer, 29261.1 parts of Yingchuang, 84210.9 parts of BYK AQUATIX, 1 part of phthalocyanine blue paste and 9 parts of water.
Example 4
The embodiment provides mirror silver ink which comprises the following raw materials in parts by weight: 9 parts of non-floating aluminum paste, 79869 parts of Baxinton BI, 65914 parts of cyanite, 51756 parts of co-curing chemical Banco, 70 parts of waterborne acrylic modified polyester resin, 0.2 part of waterborne silicone defoamer, 29261.9 parts of Yingchuang, 84210.5 parts of BYK AQUATIX, 5 parts of phthalocyanine blue paste and 5 parts of water.
Example 5
The embodiment provides mirror silver ink which comprises the following raw materials in parts by weight: 7 parts of non-floating aluminum paste, 798613 parts of Baxinton BI, 65910 parts of cyanite, 51758 parts of co-curing chemical, 90 parts of waterborne acrylic modified polyester resin, 0.4 part of waterborne silicone defoamer, 29261.2 parts of Yingchuang, 84210.9 parts of BYK AQUATIX, 2 parts of phthalocyanine blue paste and 9 parts of water.
Example 6
The embodiment provides mirror silver ink which comprises the following raw materials in parts by weight: 8 parts of non-floating aluminum paste, 798610 parts of Baxinton BI, 65913 parts of cyanite, 51757 parts of crosslinking chemical Banco, 80 parts of waterborne acrylic modified polyester resin, 0.2 part of waterborne silicone defoamer, 29261.8 parts of Yingchuang, 84210.6 parts of BYK AQUATIX, 4 parts of phthalocyanine blue paste and 6 parts of water.
Example 7
The embodiment provides mirror silver ink which comprises the following raw materials in parts by weight: 7.5 parts of non-floating aluminum paste, 798612 parts of Baxinton BI, 65911 parts of cyante, Banco51757.5 parts of co-curing chemical, 80 parts of waterborne acrylic modified polyester resin, 0.3 part of waterborne silicone defoamer, 29261.5 parts of Yingchuang, 84210.8 parts of BYK AQUATIX, 3 parts of phthalocyanine blue color paste and 8 parts of water.
The preparation of the specular silver inks of examples 1-7 was as follows:
1) the co-curing chemical Banco5175, the waterborne acrylic modified polyester resin and water are mixed uniformly.
2) Adding the water-based organic silicon defoamer, BYK AQUATIX 8421 and phthalocyanine blue color paste into the mixture of the step 1), and mixing for 10-20min at the speed of 1000 r/min.
3) Adding cyanide 659 and Baxinton BI7986 into 2), and mixing at 600r/min for 10-20 min.
4) Adding Yingchuang 2926 and non-floating aluminum paste into the mixture in the step 3), and mixing for 10-20min at a speed of 600 r/min.
Comparative example 1
The comparative example provides a mirror silver ink, which comprises the following raw materials in parts by weight: 4 parts of non-floating aluminum paste, 4 parts of Baxinton BI 798620 parts, 6595 parts of cyante, 517512 parts of co-curing chemical Banco, 30 parts of waterborne acrylic modified polyester resin, 1 part of waterborne silicone defoamer, 29260.5 parts of Yingchuang, 84211.5 parts of BYK AQUATIX, 1 part of phthalocyanine blue paste and 15 parts of water.
The formulation was different from that of example 7.
Comparative example 2
The comparative example provides a mirror silver ink, which comprises the following raw materials in parts by weight: 15 parts of non-floating aluminum paste, 79866 parts of Baxinton BI, 65920 parts of cyanite, 51753 parts of co-curing chemical Banco, 130 parts of waterborne acrylic modified polyester resin, 0.05 part of waterborne silicone defoamer, 29263 parts of Yingchuang, 84210.3 parts of BYK AQUATIX, 10 parts of phthalocyanine blue paste and 3 parts of water.
The formulation was different from that of example 7.
Comparative example 3
The comparative example provides a mirror silver ink, which comprises the following raw materials in parts by weight: 7.5 parts of non-floating aluminum paste, 798612 parts of Baxinton BI, 757.5 parts of crosslinking chemistry Banco51, 80 parts of waterborne acrylic modified polyester resin, 0.3 part of waterborne silicone defoamer, 29261.5 parts of Yingchuang, 84210.8 parts of BYK AQUATIX, 3 parts of phthalocyanine blue color paste and 8 parts of water.
65911 parts of cyanide were absent compared to example 7.
Comparative example 4
The comparative example provides a mirror silver ink, which comprises the following raw materials in parts by weight: 7.5 parts of non-floating aluminum paste, 798612 parts of Baxinton BI, 65911 parts of cyanite, 80 parts of waterborne acrylic modified polyester resin, 84210.8 parts of BYK AQUATIX, 3 parts of phthalocyanine blue color paste and 8 parts of water.
Compared with example 7, 29261.5 parts of winning power, 0.3 part of water-based silicone defoamer and 0.5 part of cross-curing chemical Banco 51757.5 part are lacked.
Test examples
The mirror silver inks of examples 1 to 7 and comparative examples 1 to 6 were screen-printed on a glass substrate with 350 mesh screen, baked at 150 ℃ for 30min, cooled and then directly immersed in a 4% NaOH aqueous solution at 70 ℃ for 15min to test the performance. The results are shown in the following table:
| adhesion force | Mirror surface effect | |
| Example 1 | Level 0 | No silver loss and no fading |
| Example 2 | Level 0 | No silver loss and no fading |
| Example 3 | Level 0 | No silver loss and no fading |
| Example 4 | Level 0 | No silver loss and no fading |
| Example 5 | Level 0 | No silver loss and no fading |
| Example 6 | Level 0 | No silver loss and no fading |
| Example 7 | Level 0 | No silver loss and no fading |
| Comparative example 1 | Level 1 | Silver loss and color fading |
| Comparative example 2 | Stage 2 | Silver loss and color fading |
| Comparative example 3 | Grade 3 | Silver loss and color fading |
| Comparative example 4 | Stage 2 | Silver loss and color fading |
While particular embodiments of the present invention have been illustrated and described, it would be obvious that various other changes and modifications can be made without departing from the spirit and scope of the invention. It is therefore intended to cover in the appended claims all such changes and modifications that are within the scope of this invention.
Claims (12)
1. The mirror silver ink is characterized by comprising the following raw materials in parts by weight: 5-10 parts of water-based mirror silver paste, 8-15 parts of water-based closed isocyanate curing agent, 8-15 parts of water-based phenylated amino resin, 5-10 parts of water-based baking varnish epoxy resin, 70-90 parts of water-based acrylic modified polyester resin, 0.1-0.5 part of defoaming agent, 1-2 parts of modified silane coupling agent, 0.5-1 part of polyamide wax silver discharging agent, 0-5 parts of pigment and 5-10 parts of water.
2. The mirror silver ink according to claim 1, comprising the following raw materials in parts by weight: 6-9 parts of water-based mirror silver paste, 9-14 parts of water-based closed isocyanate curing agent, 9-14 parts of water-based phenylated amino resin, 6-9 parts of water-based baking varnish epoxy resin, 75-85 parts of water-based acrylic modified polyester resin, 0.2-0.5 part of defoaming agent, 1.1-1.9 parts of modified silane coupling agent, 0.5-0.9 part of polyamide wax silver discharging agent, 1-5 parts of pigment and 5-9 parts of water.
3. The mirror silver ink according to claim 2, comprising the following raw materials in parts by weight: 7-8 parts of water-based mirror silver paste, 10-13 parts of water-based closed isocyanate curing agent, 10-13 parts of water-based phenylated amino resin, 7-8 parts of water-based baking varnish epoxy resin, 77-83 parts of water-based acrylic modified polyester resin, 0.2-0.4 part of defoaming agent, 1.2-1.8 parts of modified silane coupling agent, 0.6-0.9 part of polyamide wax silver discharging agent, 2-4 parts of pigment and 6-9 parts of water.
4. The specular silver ink of any of claims 1 to 3 wherein the pigment comprises a phthalocyanine blue paste.
5. The specular silver ink of claim 1 wherein the water is deionized water.
6. The specular silver ink of any of claims 1 to 3 wherein the defoamer is a silicone defoamer.
7. The specular silver ink of claim 6 wherein the silicone defoamer is a water-based silicone defoamer.
8. The method for producing the mirror silver ink according to any one of claims 1 to 7, characterized by comprising the steps of: and uniformly mixing the raw materials to obtain the mirror-like silver ink.
9. The preparation method as claimed in claim 8, wherein the modified silane coupling agent and the aqueous mirror silver paste are added into the first solution containing the aqueous blocked isocyanate curing agent, the aqueous phenylamine resin, the aqueous baking varnish epoxy resin, the aqueous acrylic modified polyester resin, the defoaming agent, the polyamide wax silver discharging agent, the pigment and the solvent, and the mixture is mixed at 500-700r/min for 10-20min to obtain the mirror silver ink.
10. The method as claimed in claim 9, wherein the first solution is obtained by adding the aqueous blocked isocyanate curing agent and the aqueous phenylamino resin to the second solution containing the aqueous baking varnish epoxy resin, the aqueous acrylic modified polyester resin, the defoaming agent, the polyamide wax silver remover, the pigment and the solvent and mixing at 500-700r/min for 10-20 min.
11. The method as claimed in claim 10, wherein the second solution is obtained by adding the antifoaming agent, the polyamide wax silver remover and the pigment to the third solution comprising the aqueous baking varnish epoxy resin, the aqueous acrylic acid modified polyester resin and the solvent and mixing at 900-.
12. A product comprising the specular silver ink of any of claims 1 to 7, prepared by printing a single coating of the specular silver ink on the surface of a substrate of the product.
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| CN110204953A (en) * | 2019-04-15 | 2019-09-06 | 苏州市贝特利高分子材料股份有限公司 | Color inhibition PI composite material |
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