CN110802979A - Water-based degradable glitter powder - Google Patents
Water-based degradable glitter powder Download PDFInfo
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- CN110802979A CN110802979A CN201911232427.3A CN201911232427A CN110802979A CN 110802979 A CN110802979 A CN 110802979A CN 201911232427 A CN201911232427 A CN 201911232427A CN 110802979 A CN110802979 A CN 110802979A
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- aqueous
- layer
- degradable
- glitter powder
- polyurethane copolymer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
- B44C5/0415—Ornamental plaques, e.g. decorative panels, decorative veneers containing metallic elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C5/00—Processes for producing special ornamental bodies
- B44C5/04—Ornamental plaques, e.g. decorative panels, decorative veneers
Abstract
The invention discloses water-based degradable glitter powder, which comprises an A surface printing layer, an aluminum plating layer, an A surface corona treatment layer, a pla transparent film layer, a B surface corona treatment layer and a B surface printing layer which are sequentially stacked, wherein the A surface printing layer and the B surface printing layer are prepared from water-based degradable polyurethane copolymer mixed liquor. The scheme solves the problems of high energy consumption, large pollution, difficult degradation and large pollution in the production process of the existing glitter powder.
Description
Technical Field
The invention relates to the technical field of film materials, in particular to water-based degradable glitter powder.
Background
Glitter powder is also called glitter sheet and glitter powder, is a common decoration widely used for clothes, shoes, caps, headwear and the like, and the existing glitter powder mainly comprises a PET polyester film, amino resin and epoxy resin, and the materials have the defects of high energy consumption (the resin reaction needs high temperature of 200 ℃), high waste recovery cost (various colors and complicated recovery process), high pollution in the production process (organic solvent gas emission), high safety in the production process (solvent gas harm at high temperature) and the like in the production process, and belong to materials which are difficult to degrade and have high pollution.
In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.
Disclosure of Invention
The invention mainly aims to provide water-based degradable glitter powder, and solves the problems of high energy consumption, high pollution, difficult degradation and high pollution in the production process in the prior art.
In order to achieve the above purpose, the solution of the invention is:
the utility model provides a waterborne degradable glitter powder, wherein, including the A face printing layer, aluminize layer, A face corona treatment layer, the pla transparent film layer of stacking in proper order, B face corona treatment layer and B face printing layer, A face printing layer and B face printing layer adopt waterborne degradable polyurethane copolymer to mix the liquid and make.
Further, the aqueous degradable polyurethane copolymer mixed solution comprises 65 wt% of aqueous degradable polyurethane copolymer, 34 wt% of water and 1 wt% of aqueous organic silicon slipping agent.
Further, the aqueous degradable polyurethane copolymer mixed solution comprises 64 wt% of aqueous degradable polyurethane copolymer, 33 wt% of water, 1 wt% of aqueous silicone slipping agent and 2 wt% of aqueous nano pigment.
Further, the aqueous degradable polyurethane copolymer mixed solution comprises 64% by weight of aqueous degradable polyurethane copolymer, 35% by weight of noctilucent powder and 1% by weight of aqueous organic silicon slipping agent.
Further, the thickness of the A-side printing layer and the B-side printing layer is 1-3 micrometers.
Further, the dyne value of the corona treatment layer on the surface A and the dyne value of the corona treatment layer on the surface B are more than or equal to 40 mN/m.
Further, the thickness of the aluminum plating layer is 400-500 angstroms.
Furthermore, the glitter powder comprises star-shaped, circular, water drop-shaped, diamond-shaped and moon-shaped shapes, and the glitter powder is 1/4-1/1000 inches in specification.
After the structure is adopted, the water-based degradable glitter powder has the beneficial effects that the pla and the water-based degradable polyurethane copolymer are used as main materials, the two materials have good biodegradability and can be completely degraded by microorganisms in the nature under specific conditions after being used, and finally carbon dioxide and water are generated without polluting the environment, so that the environment is protected; and all use aqueous material, avoid organic solvent to environment and workman's health check's harm in the production process. Therefore, all the materials and the production process belong to green environmental protection, so that the produced glitter powder can be applied to medical treatment, home decoration, artware, children toys, cosmetics, clothes and the like, the application range and the field of the product are increased, and the glitter powder has good future market demand.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention.
In the figure:
printing layer-1 on surface A; plating an aluminum layer-2; corona treatment layer-3 of surface A; pla transparent film layer-4; corona treatment layer-5 on surface B; and B surface printing layer-6.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
As shown in fig. 1, the present case provides a waterborne degradable glitter powder, wherein, including A face printing layer 1, aluminized layer 2, A face corona treatment layer 3, pla transparent film layer 4 that establish superpose in proper order, B face corona treatment layer 5 and B face printing layer 6, A face printing layer 1 and B face printing layer 6 adopt waterborne degradable polyurethane copolymer mixed liquid to make, and corona treatment layer can increase the roughness on pla transparent film layer 4 surface so as to do benefit to the printing of waterborne degradable polyurethane copolymer mixed liquid.
pla, also known as polylactic acid, is a novel bio-based and renewable biodegradable material, and is made from starch raw materials provided by renewable plant resources (such as corn, cassava, and the like). The starch raw material is saccharified to obtain glucose, the glucose and certain strains are fermented to prepare high-purity lactic acid, and the polylactic acid with certain molecular weight is synthesized by a chemical synthesis method. The material has good biodegradability, can be completely degraded by microorganisms in the nature under specific conditions after being used, finally generates carbon dioxide and water, does not pollute the environment, is very beneficial to environmental protection, and is an existing environment-friendly material.
The water-based degradable polyurethane copolymer is a novel polyurethane system using water as a dispersion medium instead of an organic solvent, and is also called water-dispersed polyurethane, water-based polyurethane or water-based pu, and is also an existing degradable material.
The pla and the waterborne degradable polyurethane copolymer are used as main materials, and the two materials have good biodegradability, can be completely degraded by microorganisms in nature under specific conditions after being used, finally generate carbon dioxide and water, do not pollute the environment, and are very favorable for protecting the environment; and all use aqueous material, avoid organic solvent to environment and workman's health check's harm in the production process. Therefore, all the materials and the production process belong to green environmental protection, so that the produced glitter powder can be applied to medical treatment, home decoration, artware, children toys, cosmetics, clothes and the like, the application range and the field of the product are increased, and the glitter powder has good future market demand. The scheme specifically comprises the following steps:
① corona treatment is carried out on the surface A of the pla transparent film layer 4 to form a surface A corona layer, and the pla transparent film layer 4 has good transparency;
②, performing a vacuum aluminum evaporation plating process on the corona layer on the surface A to form an aluminum plated layer 2 on the surface, specifically, heating and plating the aluminum material on the pla transparent film layer 4 in a vacuum environment, and evaporating or subliming the aluminum material in vacuum to precipitate the aluminum material on the surface of the pla transparent film layer 4. in the embodiment, the aluminum plated layer 2 has a thickness of 400-500 angstroms, so that the pla transparent film layer 4 has good metallic luster;
③, carrying out corona treatment on the B surface of the pla transparent film layer 4 to form a B surface corona layer;
④, preparing a water-based degradable polyurethane copolymer mixed solution, printing the water-based degradable polyurethane copolymer mixed solution on an A-surface corona layer to form an A-surface printing layer 1, printing the A-surface corona layer to form a B-surface printing layer 6, and then drying and rolling to form a pla semi-finished film, wherein the printing is carried out at a production speed of 50-100 m/min and at a temperature of 40-100 ℃ by using a gravure printing machine, the drying and rolling are carried out at a temperature of 40-100 ℃ by using an oven, and the thicknesses of the A-surface printing layer 1 and the B-surface printing layer 6 are 1-3 microns;
⑤ curing the pla semi-finished film;
⑥, performing a slitting process on the cured pla semi-finished film, wherein the normal width of the pla semi-finished film is 1000-1650 mm by a slitting machine, and the width after slitting by the slitting machine is 80-140 mm, so as to slit the long-wide pla semi-finished film into narrow widths for later use;
⑦ cutting the cut pla semi-finished film into powder or punching, sieving, and weighing to obtain glitter powder.
The gravure printing temperature is lower (the traditional glitter powder gravure printing temperature is about 200 ℃, and the gravure printing temperature is about 40-100 ℃), the use of electric energy is reduced, and the effects of energy conservation and emission reduction are achieved.
The aqueous degradable polyurethane copolymer mixed solution of the present invention has three embodiments,
in a first embodiment, in the step ④, the aqueous degradable polyurethane copolymer mixture solution includes 65% by weight of an aqueous degradable polyurethane copolymer, 34% by weight of water, and 1% by weight of an aqueous silicone slipping agent.
In this embodiment, in the step ④, the specific steps of preparing the aqueous degradable polyurethane copolymer mixture solution are as follows:
1) placing the weighed waterborne degradable polyurethane copolymer in a foam bucket;
2) placing the material soaking barrel under a stirrer, and starting the stirrer to rotate at about 300-600 RPM;
3) slowly adding weighed water (reverse osmosis filtered water) during stirring;
4) and after 5-10 minutes, continuously and slowly adding the weighed water-based organic silicon slipping agent.
The silver aqueous degradable glitter powder can be prepared by adopting the aqueous degradable polyurethane copolymer mixed solution.
In a second embodiment, in step ④, the aqueous degradable polyurethane copolymer mixture solution includes 64% by weight of an aqueous degradable polyurethane copolymer, 35% by weight of a luminescent powder, and 1% by weight of an aqueous silicone lubricant.
In this embodiment, in the step ④, the specific steps of preparing the aqueous degradable polyurethane copolymer mixture solution are as follows:
1) placing the weighed waterborne degradable polyurethane copolymer in a foam bucket;
2) placing the material soaking barrel under a stirrer, and starting the stirrer to rotate at about 300-600 RPM;
3) slowly adding weighed noctilucent powder in the stirring process;
4) and after 5-10 minutes, continuously and slowly adding the weighed water-based organic silicon slipping agent.
In this embodiment, the noctilucent powder can be dispersed by using the waterborne degradable polyurethane copolymer, so that the viscosity of the mixed liquid of the waterborne degradable polyurethane copolymer is stabilized, and the smooth printing process is ensured. Adopt the waterborne degradable polyurethane copolymer mixed solution of this embodiment can make the degradable gold shallot powder of night light waterborne, has the night light effect at night, and is more beautiful.
As a third example, in the step ④, the water-based degradable polyurethane copolymer mixture includes 64% by weight of a water-based degradable polyurethane copolymer, 33% by weight of water, 1% by weight of a water-based silicone slipping agent, and 2% by weight of a water-based nanopigment.
In this embodiment, in the step ④, the specific steps of preparing the aqueous degradable polyurethane copolymer mixture solution are as follows:
1) placing the weighed waterborne degradable polyurethane copolymer in a foam bucket;
2) placing the material soaking barrel under a stirrer, and starting the stirrer to rotate at about 300-600 RPM;
3) slowly adding weighed water in the stirring process;
4) after 5-10 minutes, continuously and slowly adding the weighed water-based nano pigment;
5) and after 5-10 minutes, continuously and slowly adding the weighed water-based organic silicon slipping agent.
The colored aqueous degradable glitter powder can be prepared by adopting the aqueous degradable polyurethane copolymer mixed solution of the embodiment, so that the glitter powder has brighter, richer and more beautiful color.
The pla transparent film layer 4 has a smooth surface, and in order to increase its roughness, it needs to be corona-treated,
the principle of corona treatment is that high-frequency high-voltage is utilized to carry out corona discharge on the surface of the treated plastic (high-frequency alternating voltage reaches 5000-. In the scheme, the power of corona treatment is 4-12 KW, the speed is 80-150M/min, the dyne values of the corona layer on the surface A and the corona layer on the surface B are more than or equal to 40mN/M, and the printing of the aqueous degradable polyurethane copolymer mixed liquid is facilitated.
Preferably, in the step ⑤, the pla semi-finished film is put into a curing chamber for curing at a temperature of 40-70 ℃ for 24-48 hours, which is beneficial to slow down the chemical activity of the pla transparent film 4 and the waterborne degradable polyurethane copolymer after high temperature printing and enhance the bonding strength between the pla transparent film 4 and the resin.
In the step ⑦, the pla semi-finished film can be formed into regular strips through the powder cutting process, the pla semi-finished film is punched through the punching process, specifically, a punching machine is adopted to obtain various special-shaped bright sheets, and glitter powder with star, circle, water drop, diamond and moon shapes can be formed, and the glitter powder is 1/4-1/1000 inches in specification.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications thereof by those skilled in the art should be considered as not departing from the scope of the present invention.
Claims (8)
1. The utility model provides a waterborne degradable glitter powder, its characterized in that, includes A face printing layer, aluminized layer, A face corona treatment layer, the pla transparent film layer of stacking in proper order, B face corona treatment layer and B face printing layer, A face printing layer and B face printing layer adopt waterborne degradable polyurethane copolymer to mix the liquid and make.
2. The aqueous degradable glitter powder of claim 1, wherein the aqueous degradable polyurethane copolymer mixture comprises 65% by weight of an aqueous degradable polyurethane copolymer, 34% by weight of water and 1% by weight of an aqueous silicone slip agent.
3. The aqueous degradable glitter powder of claim 1, wherein the aqueous degradable polyurethane copolymer mixture comprises 64 wt% of an aqueous degradable polyurethane copolymer, 33 wt% of water, 1 wt% of an aqueous silicone slip agent, and 2 wt% of an aqueous nanopigment.
4. The aqueous degradable glitter powder of claim 1, wherein the aqueous degradable polyurethane copolymer mixture comprises 64 wt% of the aqueous degradable polyurethane copolymer, 35 wt% of the luminescent powder and 1 wt% of the aqueous silicone slip agent.
5. The water-based degradable glitter powder of any one of claims 1-4, wherein the thickness of the A-side printing layer and the B-side printing layer is 1-3 microns.
6. The aqueous degradable glitter powder according to any one of claims 1-4, wherein the dyne value of the surface A corona treatment layer and the dyne value of the surface B corona treatment layer are more than or equal to 40 mN/m.
7. The aqueous degradable glitter powder of any one of claims 1-4, wherein the aluminum-plated layer has a thickness of 400-500 angstroms.
8. The aqueous degradable glitter powder of any one of claims 1-4, wherein the glitter powder has a shape selected from the group consisting of stars, circles, drops, diamonds, and moons, and has a size of 1/4-1/1000 inches.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911232427.3A CN110802979A (en) | 2019-12-05 | 2019-12-05 | Water-based degradable glitter powder |
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| CN201911232427.3A CN110802979A (en) | 2019-12-05 | 2019-12-05 | Water-based degradable glitter powder |
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| CN110802979A true CN110802979A (en) | 2020-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113336990A (en) * | 2021-06-10 | 2021-09-03 | 东莞市絮彩工艺品有限公司 | Water-based degradable glitter powder |
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| CN113336990A (en) * | 2021-06-10 | 2021-09-03 | 东莞市絮彩工艺品有限公司 | Water-based degradable glitter powder |
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Application publication date: 20200218 |
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