CN113185850A - Environment-friendly artificial nail material, artificial nail and preparation method thereof - Google Patents
Environment-friendly artificial nail material, artificial nail and preparation method thereof Download PDFInfo
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D31/00—Artificial nails
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
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- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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- 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
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
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Abstract
The invention relates to the technical field of artificial nails, in particular to an environment-friendly artificial nail material, an artificial nail and a preparation method thereof. The invention provides an environment-friendly artificial nail material which comprises the following components in parts by mass: 50-80 parts of thermoplastic elastomer resin, 10-30 parts of surlyn resin and 2-5 parts of tri-n-butyl citrate TBC. In the environment-friendly artificial nail material, the thermoplastic elastomer resin and the surlyn resin have the characteristics of high transparency and high elasticity, the surlyn resin has a more permeable effect and fully provides high permeability, the thermoplastic elastomer resin and the surlyn resin are used as main body resins and are combined together to provide the elasticity and crystal effect of the artificial nail, and the TBC is matched as a plasticizer to obtain the environment-friendly artificial nail material.
Description
Technical Field
The invention relates to the technical field of artificial nails, in particular to an environment-friendly artificial nail material, an artificial nail and a preparation method thereof.
Background
The nail-sticking sheet is a wearable nail sheet, is convenient to wear, has various styles, is popular with nail beautifying persons, can visually change the shape of the nail, decorates the hand shape and has very high aesthetic pursuit.
Conventionally, ABS (acrylonitrile butadiene styrene) or PMMA (acrylic resin) is used as a raw material for producing artificial nail materials, which are very hard, are not adhered after being worn on hands, cause discomfort to people, influence the wearing retention time due to the hardness, and have low transparency, and the ABS contains styrene, so that the requirements of European Union plastic parts on safety and environmental protection are not met. Although a soft armor material and a preparation method thereof are provided in patent application No. CN201410334975.8 by Mr. Lidonghong of Huaying printing Limited company in Tianjin, the materials used by the soft armor material still contain ABS resin and SBS resin which have hazardous ingredients of styrene and plasticizer DOA resin powder which contains carcinogenic ingredients, the obtained product is unsafe and environment-friendly, meanwhile, the resin prepared by the method of blending the ABS into soft materials such as TPU, TPEE and the like is actually a modification of the ABS, the softness and elasticity of the resin are not too good, in addition, the preparation method of mixing the resins with different properties is not good for secondary processing, the problem of cracking and brittleness caused by mechanical fatigue is easy to occur, and the transparency of the product is not too high.
Therefore, the technical problem to be solved by the technical personnel in the field is to find an artificial nail material which is safe, environment-friendly, elastic, soft, high in transparency, comfortable and conformable to wear and convenient to process.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an environment-friendly artificial nail material, an artificial nail and a preparation method thereof, which are used for solving the problems of insecurity, environmental protection, poor elasticity, low transparency, uncomfortable wearing and inconvenient processing of the conventional artificial nail material.
As is well known, elastomer resins are selected naturally for elasticity and softness, and are environmentally friendly, one of the main classes of TPE resins is the best choice, but one class of elastic resins has the characteristic of excellent softness, the Rockwell hardness is different from 50 to 80, but the resins are generally poor in transparency, poor in compatibility with various resins and prone to delamination. How to introduce a resin can be compatible with TPE and can provide good transparency. After tens of millions of formula tests and theoretical deductions of the inventor, the environment-friendly artificial nail material disclosed by the patent application is finally prepared.
The specific technical scheme of the invention is as follows:
an environment-friendly artificial nail material comprises the following components in parts by mass:
50-80 parts of thermoplastic elastomer resin, 10-30 parts of surlyn resin and 2-5 parts of TBC.
The thermoplastic elastomer resin comprises TPE (thermoplastic elastomer), TPU (thermoplastic polyurethanes), TPV (thermoplastic vulcanizer), TPEE (thermoplastic polyester elastomer), TPO (trimethylxylylene diene monomer oxide), TPAE (polyamide thermoplastic elastomer) and the like, wherein TPE is a copolymer of thermoplastic butadiene or isoprene and styrene block type, TPU is thermoplastic polyurethane, TPV is vulcanized thermoplastic elastomer, SBS is styrene-butadiene-styrene block copolymer, and TPR is thermoplastic rubber taking SBS as a base material. TPEE is a thermoplastic polyester elastomer, a block copolymer containing polyester hard segments and polyether soft segments.
Preferably, the thermoplastic elastomer resin has the characteristics of high elasticity, high strength and high resilience of rubber, can be subjected to injection molding processing, is environment-friendly, non-toxic and safe, has excellent colorability, is soft in touch, weather-resistant, fatigue-resistant and temperature-resistant, has excellent processability, does not need vulcanization, can be recycled, reduces the cost, can be subjected to secondary injection molding, and can be relatively well mixed with Polyethylene (PE) for use.
The surlyn resin is a polymer which introduces metal ions (such as zinc, magnesium and the like) on a copolymer main chain of ethylene and acrylic acid (or methyl TPE acrylic acid) to realize molecular chain crosslinking. Compared with polyethylene, the surlyn resin has very low crystallinity, good transparency and light transmittance of about 80-92 percent, and is ultrahigh transparent plastic. The special ionic crosslinking among the molecular chains of the sarin resin has reversibility. The cross-linking bond is dissociated when heated, and the product can melt and flow, and the cross-linking bond is recovered when cooled to room temperature. It is a thermoplastic resin, and has good processing fluidity at processing temperature and excellent rubber elasticity and flexibility at room temperature. The sarin resin has excellent low-temperature performance, the brittle temperature is lower than-76 ℃, even can reach-105 ℃, the tensile strength is superior to that of polyethylene, and the sarin resin has excellent environmental stress cracking resistance and oil resistance. The Surlyn resin has different brands due to different metal ions, different polymerization degrees and the like, and the Surlyn resin crosslinked with different metal ions can be used in the environment-friendly artificial nail material.
In conclusion, the surlyn resin is derived from modification of polyethylene resin, has quite good binding property with TPE, and can effectively improve the transparency of the mixed resin if the surlyn resin and the TPE are mixed and the proper surlyn resin is selected, so that the defect that the transparency of the TPE is insufficient is overcome.
The tri-n-butyl citrate (TBC) is used as an environment-friendly plasticizer in the application, can be plasticized with PP and cellulose resin, has good compatibility, has the characteristics of high plasticizing efficiency, no toxicity, difficult volatilization, strong weather resistance and the like, has good flexibility, light resistance, water resistance, heat resistance, good heat stability without color change during sealing, safety, durability, non-toxic and antibacterial effects, no bacteria breeding and flame retardance, and accords with the contact standard of food and medicines because of not being a system such as DOP (phthalic acid).
The applicant finds out the characteristics of the thermoplastic elastomer resin in the testing process, if the characteristics are combined with the defects of ultrahigh transparency and complementation of the surlyn resin, and the TBC plasticizer is matched to be used, so that the environment-friendly artificial nail with high transparency and rich elasticity can be effectively prepared.
In the environment-friendly artificial nail material, the thermoplastic elastomer resin and the surlyn resin have the characteristics of high transparency and high elasticity, the surlyn resin has a more transparent effect and fully provides high permeability, and the elasticity and the crystal effect of the artificial nail can be provided by combining the thermoplastic elastomer resin and the surlyn resin. The applicant finally selects thermoplastic elastomer resin and sarin resin as main resin and matches with TBC as plasticizer to obtain the environment-friendly artificial nail material after ten million repeated experimental tests, the TBC is safe and environment-friendly, the artificial nail material does not contain styrene or carcinogenic plasticizer, meets the contact standard of food and medicine, and is safe and environment-friendly, high in elasticity and transparency and convenient to process, and the prepared artificial nail is comfortable to wear. In addition, the thermoplastic elastomer resin and the surlyn resin have very good secondary processing performance, can be recycled and are very environment-friendly.
Preferably, the coating comprises the following components in parts by mass:
65 parts of thermoplastic elastomer resin, 30 parts of surlyn resin and 5 parts of TBC.
Preferably, the thermoplastic elastomer resin is selected from one or more of TPE, TPU, TPV, TPEE, TPO, TPAE and modified substances thereof.
In the present application, in order to make the artificial nail more environment-friendly, the thermoplastic elastomer resin using SBS or TPR as a base material is not used under moderate conditions, which mainly combines the requirements of environmental protection and safety of the place where the user is located.
The invention also provides an artificial nail which is prepared from the environment-friendly artificial nail material in the technical scheme.
The environment-friendly artificial nail material used by the artificial nail is safe and environment-friendly, and the artificial nail made of the environment-friendly artificial nail material has good elasticity, high gloss and high transparency, can generate a crystal effect, can quickly recover the shape after being bent, is soft and is comfortable to wear.
The invention also provides a preparation method of the artificial nail, and the environment-friendly artificial nail material adopting the technical scheme comprises the following steps:
a) uniformly mixing thermoplastic elastomer resin, surlyn resin and TBC, and preparing granules by a double-screw granulator;
b) and drying the granules, and then carrying out injection molding on the granules to obtain the artificial nail.
The artificial nail is simple in preparation method, is obtained by injection molding through an injection molding machine, is easy to produce and manufacture, meets the requirement of large-scale industrial production, is safe and environment-friendly, and is made of environment-friendly artificial nail materials.
Since both thermoplastic elastomer resin and surlyn resin have a certain hygroscopicity and prolonged exposure to air may affect the quality of injection molding, the pellets are dried before injection molding. The drying equipment is provided with dehumidifying equipment to prevent the moisture content of the granules from rising due to heating. In the present invention, the pellets are preferably dried in an oven equipped with a dehumidifier, the drying temperature is preferably 60 ℃ to 65 ℃, and the drying time is preferably 6 hours to 8 hours.
Preferably, the injection molding temperature of the injection molding in the step b) is 190-220 ℃;
the temperature of the injection molding die is 10-25 ℃;
and the in-mold cooling time of the injection molding is 2-4 times of the injection molding injection time.
The injection molded artificial nail has high transparency and elasticity, and is soft in texture.
In the invention, during injection molding, cooling water is added to reduce the molding temperature so as to control the hardness and the crystallinity and prevent water ripples caused by over-high crystallization speed or uneven crystallization speed, the injection molding temperature is controlled to be 190-220 ℃, the mold temperature is 10-25 ℃, the in-mold cooling time of the injection molding is 2-4 times of the injection molding injection time, and the long cooling time can ensure that the crystallization is complete and the artificial nail is prevented from deforming. Because the material flow is low in force, the pressure is injected under full pressure, and after production, a material pipe of the injection molding machine is cleaned by PE, so that equipment damage caused by reopening after shutdown is avoided.
Preferably, after the injection molding in step b) and before obtaining the artificial nail, the method further comprises:
and carrying out surface processing on the nail sheet obtained by injection molding.
Preferably, the surface processing is surface decoration printing, priming vacuum plating, film decoration, diamond inlaying, thermal transfer printing, spray painting or surface hardening.
The artificial nail has high transparency, high elasticity and crystal effect. The nail can be subjected to surface processing through surface decoration printing, bottom coating vacuum electroplating, in-film decoration, diamond inlaying, thermal transfer printing or surface hardening and the like, so that the artificial nail has beautiful appearance, is wear-resistant, can quickly recover the shape after being bent while being not easy to scratch, is soft, has a simple surface processing method, and is suitable for the requirement of large-scale industrial production.
Preferably, the surface decoration printing adopts a printing coating selected from T-INK-100 series pad printing INK, T-INK-200 series screen printing INK or T-COAT-100 series spraying priming paint;
the base coating adopted by the base coating vacuum plating is a T-PVD-100 series coating;
the raw materials of the T-INK-100 series pad printing INK comprise 30-40 parts by mass of two-liquid polyurethane resin, 60-70 parts by mass of solvent, 0.5-1.5 parts by mass of leveling assistant and 15-25 parts by mass of pigment;
the raw materials of the T-INK-200 series silk screen printing INK comprise 30-40 parts by mass of two-liquid polyurethane resin, 60-70 parts by mass of solvent, 0.5-1.5 parts by mass of defoaming agent, defoaming leveling assistant and 15-25 parts by mass of pigment;
the raw materials of the T-COAT-100 series spraying primer include 30-40 parts by mass of two-liquid polyurethane resin, 60-70 parts by mass of solvent, 0.5-1.5 parts by mass of defoaming agent and defoaming leveling assistant;
the raw materials of the T-PVD-100 series coating comprise 30-40 parts by mass of two-liquid type polyurethane resin, 60-70 parts by mass of solvent and 0.5-1.5 parts by mass of flatting agent;
the T-INK-100 series pad printing INK, the T-INK-200 series screen printing INK, the T-COAT-100 series spray priming paint and the T-PVD-100 series coating are combined with a curing agent when in use, and the mass ratio of the curing agent to the curing agent is 10: 1.
Furthermore, SA-2042HR two-component polyurethane resin is selected as main resin for T-INK-100 series pad printing INK, the main resin is hydroxyl-contained polyurethane resin, the adhesive force to a compound of thermoplastic elastomer resin and surin resin is very good, in the pad printing INK, by mass, 35 +/-5 parts of SA-2042HR polyurethane resin and 65 +/-5 parts of diluent solvent isophorone are required, a Desmodium model 3390HDI curing agent is required to be matched during printing of the INK, and the ratio of the parts of the curing agent to the INK is 1: 10. the diluting solvent preferably selects isophorone with relatively low odor, a BYK-3450 flatting agent is used as a leveling assistant, the addition amount is 1 +/-0.5 parts, the color of the INK is various and mainly depends on the addition of pigment, for example, the white INK is 2300 titanium dioxide of Conlesse, the use amount is 20 +/-5 parts, the color number in the general INK is a suffix added in a serial number, for example, T-INK-100-120 is yellow pad printing INK, the serial INK is special for printing the INK of the protective material, has good adhesion, the Baige test is 0, the artificial nail printed with the serial INK is bent in 180 degrees, and the test result is that the artificial nail has no cracking.
The Desmodium model 3390HDI curing agent is hexamethylene polyisocyanate of aliphatic polyisocyanate, and has the characteristics of good weather resistance, good gloss retention under high-temperature explosion and release and no yellowing.
Furthermore, the T-INK-200 series screen printing INK selects SA-2042HR two-liquid polyurethane resin as main resin, which is hydroxyl-containing polyurethane resin and has very good adhesive force to a compound of thermoplastic elastomer resin and surin resin, the T-INK-200 series screen printing INK comprises, by mass, 35 +/-5 parts of SA-2042HR polyurethane resin and 65 +/-5 parts of diluent solvent isophorone, and is matched with a Desmodium all 3390HDI curing agent during INK printing, and the proportion of the used parts of the curing agent to the INK is 1: 10. the diluting solvent preferably selects isophorone with relatively low odor, BYK-1740 defoaming agent and BYK-3450 flatting agent are used as defoaming and leveling aids, the addition amount of the defoaming agent and the defoaming and leveling aids is 1 +/-0.5 parts, the color of the INK is various and mainly depends on the added pigment, for example, the black INK uses Enlon FW200 carbon black powder, the use amount is 20 +/-5 parts, the color number in the general INK is a suffix added in a serial number, for example, T-INK-200-192-is black silk-screen INK, the serial INK is specially used for printing the INK of the protective material of the application, has good adhesion, the Baige test is 0, the artificial nail printed with the serial INK is bent in 180 degrees, and the test result shows that no cracking.
Furthermore, the T-COAT-100 series is sprayed with the primer coating, the primer coating aims to improve the adhesion of other coatings to the nail plate, firstly, the primer coating can be well adhered to the nail plate, and meanwhile, other coatings can be well adhered to the primer coating, so that the best adhesion is achieved. The T-COAT-100 series spraying base coating adopts SA-2042HR two-liquid polyurethane resin as main resin, is hydroxyl-containing polyurethane resin, has very good adhesive force to a compound of thermoplastic elastomer resin and sarin resin, and the T-COAT-100 series spraying base coating comprises, by mass, 35 +/-5 parts of SA-2042HR polyurethane resin and 65 +/-5 parts of a diluent solvent, is matched with a Deshi mould 3390HDI curing agent during printing of ink, wherein the used parts of the curing agent and the ink are in a ratio of 1: 10. preferably, solvents such as methyl ethyl ketone MEK, DMF and the like are selected and quickly dried, a BYK-1740 defoaming agent and a BYK-3450 flatting agent are used as defoaming and leveling aids, the addition amount of the defoaming agent and the defoaming and leveling aids is 1 +/-0.5 parts, the coating has good adhesive force and very good repainting performance, and can be repainted by other coatings, so that diversified colors are realized, the hundred-grid test is 0, the artificial nail printed with the series of printing ink is bent in a folded manner at 180 degrees, and the test result is no cracking.
In the invention, when the surface processing is surface decoration printing, printing ink paint can be adopted to print, spray and decorate the nail plate, namely screen printing, transfer printing and spraying, and the nail plate is colored according to set patterns and pigments, thereby realizing the effect of printing, spraying and decorating. The nail plate obtained by injection molding of the invention has high transparency and high elasticity, so when decorating by printing and spraying, the ink coating prepared by softer resin is used as the decorating part. The printing ink paint adopted by the invention comprises coloring materials such as coloring materials, metallic effect pigments, 3D magnetic pigments, glitter powder and special effect pigments, wherein the coloring materials comprise covering coloring materials and transparent coloring materials, and comprise organic pigments, inorganic pigments, fluorescent pigments, dyes and the like. Because the nail piece has a certain radian, the nail piece is preferably printed, sprayed and decorated by pad printing and spraying.
The printing INK coating adopted by the invention needs to have certain tensile property and property of being attached to the nail plate and proper scratch resistance, is selected from T-INK-100 series transfer printing INK, T-INK-200 series screen printing INK or T-COAT-100 series spray coating, has good adhesive force to the nail plate, has 0 degree in a hundred-grid test, has tensile property and 150 percent of tensile degree, is used for processing the surface of the nail plate, has proper wear resistance and can pass the test of 100 circles of an RCA wear resistance tester. The printing ink coating adopted by the invention is matched with a Deshi model 3390HDI curing agent for use, so that the adhesive force and the wear resistance can be increased.
In the invention, when the surface processing is primary coating vacuum plating, the primary coating adopted is T-PVD-100 series coating, primary coating treatment is firstly carried out on the first piece, and the treated first piece can realize a vacuum coating process, thereby realizing the effect of plating and decorating. The nail piece obtained by injection molding is high in transparency and elasticity, so that when the nail piece is decorated by a vacuum coating process, a resin which is beneficial to adhesion is used as a coating to facilitate the decoration of vacuum coating, the vacuum coating is a vacuum state, a metal inorganic substance is evaporated to reach the material, colorful luster is emitted due to an optical refraction effect, the controllable and colorful luster can be realized by adjusting the variety and the evaporation amount of the metal inorganic substance and the number of superposed layers, but the adhesion to the injection molded nail piece is not ideal due to the fact that the nail piece is all the metal inorganic substance, and the adhesion is better due to the addition of the coating. The bottom coating adopted by the bottom coating vacuum plating is a T-PVD-100 series coating, has certain tensile property and performance of being attached to the armor plate, has platable performance, has good adhesive force of the coating on the armor plate, has a 0 degree in a Baige test, and has tensile property with the tensile degree of 150%. The T-PVD-100 series coating adopted by the invention is matched with a Deshi model 3390HDI curing agent for use, so that the adhesive force and the wear resistance can be increased.
Further, the T-PVD-100 series coating aims at improving the adhesive force of other vacuum plating coatings to the nail, SA-2042HR two-liquid polyurethane resin is selected as main body resin, the SA-2042HR two-liquid polyurethane resin is hydroxyl-containing polyurethane resin, the adhesive force to a compound of thermoplastic elastomer resin and surlyn resin is very good, the T-PVD-100 series coating comprises 35 +/-5 parts by mass of SA-2042HR polyurethane resin and 65 +/-5 parts by mass of a dilution solvent MEK, a Deshi mould 3390HDI curing agent is matched during ink printing, and the proportion of the used parts of the curing agent to the ink is 1: 10. preferably, solvents such as methyl ethyl ketone MEK, DMF and the like which are quickly dried are selected, BYK-1740 defoaming agent and BYK-3450 flatting agent are used as defoaming and leveling aids, and the addition amount of the defoaming agent and the defoaming and leveling aids is 1 +/-0.5 part, so that the adhesive force is very good, and the adhesion of vacuum plating is facilitated.
Preferably, the coating adopted by the film interior decoration is a BX-100 series IMD coating;
the coatings adopted by the diamond inlaying, the thermal transfer printing and the spray painting are T-TTR-100 series coatings;
the coating adopted for surface hardening is a T-HD-100 series finishing coating;
wherein the BX-100 series IMD coating comprises the raw materials of 30-40 parts by mass of thermoplastic polyurethane resin, 55-65 parts by mass of solvent and 0.5-1.5 parts by mass of leveling agent;
the raw materials of the T-TTR-100 series coating comprise 25-35 parts by mass of two-liquid type polyurethane resin, 55-65 parts by mass of solvent and 0.5-1.5 parts by mass of flatting agent;
the T-HD-100 series finishing coating is selected from a T-HD-100-UV coating, a T-HD-100-OIL coating or a T-HD-100-W coating, the raw materials of the T-HD-100-UV coating comprise 55-65 parts by mass of polyurethane acrylic resin and 30-40 parts by mass of diluent, the raw materials of the T-HD-100-OIL coating comprise 30-40 parts by mass of hydroxyl-containing polyurethane resin, 55-65 parts by mass of solvent and 0.5-1.5 parts by mass of flatting agent, and the raw materials of the T-HD-100-W coating comprise 35-45 parts by mass of aqueous hydroxyl-containing polyurethane resin, 55-65 parts by mass of diluent and 0.5-1.5 parts by mass of flatting agent;
the BX-100 series IMD coating, the T-TTR-100 series coating and the T-HD-100 series overprint varnish coating are combined with a curing agent when in use, and the mass ratio of the curing agent to the curing agent is 10: 1.
In the invention, when the surface processing is In-Mold transfer Decoration (IMD), a BX-100IMD coating with an adhesive function is coated on an IMD film to realize the IMD Decoration effect. The application of IMD in the present invention is the simultaneous transfer of patterns during injection molding. The nail sheet obtained by injection molding of the invention has high transparency, high elasticity and exquisite pattern, so that when IMD decoration is carried out, resin which is helpful for adhesion is coated on IMD film material to realize effective IMD decoration, and the BX-100IMD coating is preferred. IMD adds decorations means that the pattern is printed on IMD rendition membrane earlier, through the technology of transfer printing in the mould, place the membrane in the mould of moulding plastics simultaneously and mould plastics and transfer printing to the material with the pattern, mould plastics relevant first piece simultaneously, the first piece of moulding plastics has the outward appearance that has decorated, and some rendition membranes have the effect of hardening simultaneously, can realize the technology that the back of moulding plastics promptly has the hardness. The IMD film can be used for coloring the thermal transfer film according to a set pattern and pigments through silk-screen printing, gravure printing, offset printing, flexography, coating and spray painting processes, wherein the pigments comprise coloring materials such as pigments, metal effect pigments, 3D magnetic pigments, glitter powder and special effect pigments, and the coloring materials comprise covering coloring materials and transparent coloring materials such as organic pigments, inorganic pigments, fluorescent pigments and dyes. The BX-100IMD coating adopted by the invention can ensure that the nail sheet obtained by injection molding of the invention has high transparency and high elasticity after being coated with the coating, and is suitable for IMD common injection mold internal transfer printing. The BX-100IMD coating adopted by the invention is matched with a Deshi model 3390HDI curing agent for use, so that the adhesive force can be increased.
BX-100 series IMD coating plays the effect of hot melt adhesive in this application, is a hot melt adhesive, can absorb the heat when moulding plastics in the mould, produces the effect of softening, formation adhesive. Furthermore, selecting Zhongshan Xinhui PU40 thermoplastic polyurethane resin as main resin, PU40 is hydroxyl-containing polyurethane resin, and has very good adhesive force to the compound of thermoplastic elastomer resin and Shalin resin, wherein BX-100 series IMD coatings comprise, by mass, 35 +/-5 parts of PU40 polyurethane resin and 65 +/-5 parts of diluent solvent, and are matched with Deshi mould all 3390HDI curing agent during printing ink, and the proportion of the curing agent and the printing ink is 1: 10. preferably, solvents such as methyl ethyl ketone MEK, DMF and the like which are quickly dried are selected, BYK-1740 defoaming agent and BYK-3450 flatting agent are used as defoaming and leveling aids, and the addition amounts of the defoaming agent and the defoaming and leveling aids are 1 +/-0.5 parts.
Furthermore, T-TTR-100 series coatings aim at improving the adhesion of printing ink, diamond and the like to a nail, preferably adopt SA-2042HR two-liquid polyurethane resin as a main resin, are hydroxyl-containing polyurethane resin, have very good adhesion to a compound of thermoplastic elastomer resin and surlyn resin, and T-TTR-100 series coatings comprise 35 +/-5 parts by mass of PU40 polyurethane resin and 65 +/-5 parts by mass of a diluting solvent, are matched with 3390HDI curing agent of Desmodium Dushi when printing the printing ink, and the proportion of the used parts of the curing agent to the printing ink is 1: 10. preferably, solvents such as methyl ethyl ketone MEK, DMF and the like which are quickly dried are selected, BYK-1740 defoaming agent and BYK-3450 flatting agent are used as defoaming and leveling aids, and the addition amount of the defoaming agent and the defoaming and leveling aids is 1 +/-0.5 part, so that the hot melt adhesive coating has good adhesive force to the nail plate.
In the invention, when the surface processing is spray painting, the first sheet is subjected to base coating treatment, and the treated first sheet can realize a spray painting process, thereby realizing the effect of spray painting and decoration. The nail sheet obtained by injection molding is high in transparency and elasticity, so that when spray painting and decorating are carried out, resin which is beneficial to adhesion is used as a coating, and an effective spray painting and decorating effect can be achieved. The spray painting decoration is to spray and paint patterns on the nail plate by utilizing spray painting equipment, wherein the spray painting equipment comprises solvent type spray painting equipment, UV type spray painting equipment and water-based spray painting equipment, and can directly spray and print an image file on the nail plate by spray painting and painting a coating made of resin with adhesive force, so that the spray painting decoration effect is realized. The coating adopted by the spray painting of the invention is a T-TTR-100 series coating, and can be coated on the armor plate in the modes of silk screen printing, pad printing and spray painting. The T-TTR-100 series coatings adopted by the invention are matched with a Deshi model 3390HDI curing agent for use, so that the adhesive force can be increased.
In the invention, when the surface is processed to be diamond-inlaid, the adopted priming paint is T-TTR-100 series coating, thus realizing the diamond-inlaid decorative effect. The nail sheet obtained by injection molding has high transparency and high elasticity, so that when diamond inlaying decoration is carried out, a coating prepared by using resin with adhesive force is coated on a material, and the diamond inlaying decoration effect can be realized. Diamond inlaying and decorating means that a diamond sheet is inlaid and attached to a nail, and a coating made of adhesive resin is coated, so that the diamond inlaying and decorating effect is achieved. The T-TTR-100 series coating can be coated on the nail plate in the modes of screen printing, pad printing and spraying. The T-TTR-100 series coatings adopted by the invention are matched with a Deshi model 3390HDI curing agent for use, so that the adhesive force can be increased.
In the invention, when the surface processing is thermal transfer printing, the coating is a T-TTR-100 series coating, so that the thermal transfer printing is convenient and the effect of thermal transfer printing decoration is realized. The nail sheet obtained by injection molding has high transparency and high elasticity, so that when the nail sheet is decorated by thermal transfer printing, resin which is beneficial to adhesion needs to be used as a coating, and effective thermal transfer printing decoration can be realized. The thermal transfer decoration is that the pattern is firstly printed on a thermal transfer film, and the pattern is transferred to the nail plate through a thermal transfer process. Or a coating with adhesive force is coated on the existing heat transfer printing film, so that the heat transfer printing film has good adhesive force in the heat transfer printing process. The heat transfer film can be colored according to a set pattern and pigments through silk-screen printing, gravure printing, offset printing, flexo printing, coating and spray painting processes, wherein the pigments comprise coloring materials such as pigments, metal effect pigments, 3D magnetic pigments, glitter powder and special effect pigments, and the coloring materials comprise covering coloring materials and transparent coloring materials such as organic pigments, inorganic pigments, fluorescent pigments and dyes.
The coating adopted by the thermal transfer printing is a T-TTR-100 series coating, the adhesion to the armor plate is good, the Baige test is 0 ℃, and the coating has the tensile property, wherein the tensile degree is 150%. The T-TTR-100 series coating can be coated on the nail plate in screen printing, pad printing and spraying modes, and can also be coated on the heat transfer film in other coating modes.
In the invention, when the surface is processed to be hardened, the adopted coating is a T-HD-100 series finishing coating, the surface hardening treatment is carried out on the nail plate, and the treated nail plate has the soft and wear-resistant effect. The printing paint decoration affects the scraping resistance performance because it contains coloring material, on the other hand, because the printing ink paint is not special coating paint, the surface coating effect is not enough, in order to increase the wear resistance and scraping resistance, and improve the crystal luster effect, the T-HD-100 series coating products are adopted, the products respectively have three systems of UV, solvent type and water, the T-HD-100 series coating products can be coated on the decorated nail or the non-decorated nail through printing and spraying, thereby the artificial nail has the crystal luster effect and good scraping resistance and wear resistance effect, and can pass the load of RCA wear resistance tester: 175g of wear resistance test shows that the surface hardness reaches more than 1H, the glossiness is improved by 10 to 80 percent, and the preferable type of the T-HD-100 series finishing products is T-HD-100-UV finishing products.
Preferably, the T-HD-100 series finishing coating respectively has a UV type system, a solvent type system and a water-based system, and the corresponding serial numbers are UV type: T-HD-100-UV coating, solvent type: T-HD-100-OIL, aqueous: T-HD-100-W coating.
Preferably, the T-HD-100-UV coating is a polyurethane acrylic resin-based resin, wherein the EB745 using cyanogen is 60 +/-5 parts by mass, the TPGDA is used as a monomer, and the TPGDA is 35 +/-5 parts by mass, so that the effect of dilution is achieved. The T-HD-100-UV coating can achieve the scratch-resistant and wear-resistant effects and can pass the RCA wear-resistant test.
Preferably, the T-HD-100-OIL coating is a resin mainly containing hydroxyl polyurethane resin, the used amount of the Iseman hydroxyl acrylic resin UracrionCY 472 is 35 +/-5 parts by mass, the diluent solvent is a solvent, preferably quick-drying methyl ethyl ketone MEK and DMF are selected, the used amount is 60 +/-5 parts by mass, a BYK-3450 leveling agent is used, the addition amount is 1 +/-0.5 part by mass, a Deshi mould 3390HDI curing agent is matched when the coating is used, the mass ratio of the curing agent to the coating is 1:10, and the T-HD-100-OIL coating can achieve the scratch and wear resistant effect and can pass the RCA wear resistant test.
Preferably, the T-HD-100-W coating is a resin mainly made of an aqueous hydroxyl-containing polyurethane resin, a novel aqueous hydroxyl acrylic resin macrolymal 6299W/42wa is preferably used in an amount of 40 +/-5 parts, and the diluent is alcohol, ether or water solvent, preferably in a mass ratio of 1: 6-8 parts of methanol and water, wherein the addition amount of the BYK-3450 flatting agent is 60 +/-5 parts, the addition amount of the BYK-3450 flatting agent is 1 +/-0.5 part, a Bayhydur XP 2655I water-based curing agent from Germany Korsaw is matched when the coating is used, the mass ratio of the curing agent to the coating is 1:10, and the T-HD-100-W coating can achieve the scratch-resistant and wear-resistant effects and can pass the RCA wear-resistant test.
In conclusion, the invention provides an environment-friendly artificial nail material which comprises the following components in parts by mass: 50-80 parts of thermoplastic elastomer resin, 10-30 parts of surlyn resin and 2-5 parts of TBC.
In conclusion, the invention provides an environment-friendly artificial nail material which comprises the following components in parts by mass: 50-80 parts of thermoplastic elastomer resin, 10-30 parts of surlyn resin and 2-5 parts of TBC. In the environment-friendly artificial nail material, the thermoplastic elastomer resin and the sarin resin have the characteristics of high transparency and high elasticity, the sarin resin has a more permeable effect and fully provides high permeability, the TPE and the sarin resin are used as main resins and are used together to provide the elasticity and crystal effect of the artificial nail, and the TBC is used as a plasticizer to obtain the environment-friendly artificial nail material.
Detailed Description
The present invention is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment. The following are specific examples of the present invention, and raw materials, equipments and the like used in the following examples can be obtained by purchasing them unless otherwise specified.
Example 1
This example was carried out to prepare an artificial nail using an environmentally friendly artificial nail material comprising 65kg of thermoplastic elastomer resin, 30kg of sarin resin and 5kg of TBC.
The thermoplastic elastomer is DuraGrip DGR6880NC product produced by APA company (Schelman USA), and the product is used as TPE in thermoplastic elastomer resin, has the characteristics of soft texture, transparent feeling, easy coloring, Shore A hardness of 30-80, high hardness, high transparency, good injection molding, good extrusion molding, high bonding force with polypropylene and polyethylene resin and the like, and meets the FDA food and drug contact standard.
The characteristic data for the DuraGrip DGR6880NC product are as follows:
hardness of | Rated value | Test method |
Shore hardness (Shore A,5 seconds) | 78 | ASTM D2240,ISO 868 |
Mechanical Properties | Rated value | Test method |
Taber abrasion resistance (1000Cycles, 1.0E +6g, CS-17 wheel) | 12.5mg | ASTM D1044 |
Thermal performance | Rated value | Test method |
Embrittlement temperature | -61.1℃ | ASTM D746,ISO 812 |
Mold filling analysis | Rated value | Test method |
Melt viscosity (190 ℃,300sec ^ a)-1) | 219Pa·s | ASTM D3835 |
The surlyn resin is a PC2000 product produced by DOUPONT DuPont, which is a thermoplastic resin and is an ethylene/methacrylic acid copolymer (E/MAA) resin, wherein MAA acid groups are partially neutralized by sodium ions, so that the surlyn resin has higher toughness and tearing resistance, and integrates high transparency and high hardness compared with other surlyn resins. The PC2000 product is very suitable for injection molding process, and the product meets FDA food and drug contact standard. The sarin resin PC2000 used in this example is a sodium ion type resin with high transparency and high hardness effect.
The characteristic data of the sarin resin PC2000 are as follows:
model number | PC2000 |
Ionic physical Properties | Sodium salt |
MI(dg/min) | 2.8 |
Hardness (D) | 65 |
Modulus of elasticity (MPa) | 490 |
Rebound resilience | 65 |
Tensile breaking Strength (MPa) | 31 |
Elongation at break | 320% |
Melting Point (. degree.C.) | 91 |
Specific gravity (g/cm)3) | 0.97 |
In the embodiment, the TPE mainly shows high elasticity, flexibility and transparency in the formula of the environment-friendly artificial nail material. The sarin resin mainly shows ultrahigh transparency in the formula of the environment-friendly artificial nail material, has higher transparency than PMMA, has high elasticity and flexibility, and mainly plays a role in increasing the transparency and toughness in the formula of the environment-friendly artificial nail material.
The TBC is purchased from Shikong company, has the characteristics of high plasticizing efficiency, no toxicity, difficult volatilization, strong weather resistance and the like, has good flexibility, light resistance, water resistance, heat resistance, good heat stability without color change during sealing, safety, durability, non-toxicity, antibacterial effect and no bacteria breeding, also has flame retardance, and meets the contact standard of food and medicines because of not being a system such as phthalic acid DOP and the like.
The preparation of the artificial nail comprises the following steps:
1) after 65kg of TPE, 30kg of sarin resin and 5kg of TBC are uniformly mixed by adopting a HRS-10 high-speed mixer of the Kede mechanical Co., Ltd, granules are prepared by a WWSJ-20 twin-screw granulator manufactured by the Ronwei plastic machinery Co., Ltd, and the prepared granules have uniform granules, no impurities, soft texture, elasticity and good transparency;
2) drying the granules by a dryer HHD-75 with a dehumidifier of the Helack company under the following drying conditions: the temperature is 65 ℃, the time is 6 hours, the dehumidifying effect of the material drying machine HHD-75 is good, the material drying temperature is uniform, the charging amount is large, the drying effect is good, the material drying machine HHD-75 is placed above the injection molding machine and is connected with the feeding hole, so that the dried material is supplied to the injection molding machine for use, and then the aggregate is subjected to injection molding to obtain the nail plate.
Referring to Table 1, the elastic modulus and transparency data for the plaques of example 1 with Surlyn Surlyn resin, TPE, ABS, PMMA are shown. Table 1 shows that the nail plate of the present example has an elastic modulus of 380MPa and a transmittance of 88%, indicating that the nail plate has a low elastic modulus, is more easily bent, exhibits high elasticity and flexibility, and at the same time, can improve the transmittance and exhibits excellent transparency.
TABLE 1 elastic modulus and transparency data for example 1 plaques with Surlyn Surlyn resin, TPE, ABS, PMMA
The injection molding machine used in the embodiment is a 160-ton injection molding machine manufactured by yimi precision machinery ltd UN160SK, has the characteristics of high plasticizing speed, short dry period, high whole machine operation efficiency, standard T-shaped groove and short mold changing time, is very suitable for injection molding of artificial nail materials, reduces various frictional resistance in the injection process, improves the injection precision, ensures the injection stability, and is very suitable for injection molding of artificial nails. In the embodiment, a set of L-6L injection mold for the artificial nail is installed, and the mold is a set of high-hardness steel injection mold capable of injecting 24 nails at a time. The artificial nail material of the embodiment contains Surlyn sarin PC2000, and during injection molding, cooling water is used in a cooling mold process to reduce the forming mixing degree, so that the hardness and crystallinity of the artificial nail are better controlled, and water ripples caused by too fast crystallization speed or unevenness are prevented. In the embodiment, the injection molding temperature is controlled to be 210 ℃, the mold temperature is controlled to be 15.1 ℃, the injection molding injection time is 3.2 seconds, the cooling time in the mold is 10 seconds, the speed of producing 5 pieces of 24 nail sheets in one minute is integrally controlled, and the artificial nail injection molded by the embodiment has high transparency and elasticity and soft texture. The injection molding parameters of the embodiment are specifically as follows: the drying temperature is 65.5 ℃, the drying time is 6 hours, the temperature at the rear part of the charging barrel is 190.1 ℃, the temperature at the middle part of the charging barrel is 200.1 ℃, the temperature at the front part of the charging barrel is 210.4 ℃, the temperature of the nozzle is 210.2 ℃, the processing (melt) temperature is 200.1 ℃, the mold temperature is 15.1 ℃, the injection pressure is 3.3Mpa, and the screw rotating speed is 25 rpm. In order to protect the injection molding machine equipment, after injection molding, the material pipe of the injection molding machine is cleaned by the Migming petrochemical L-1100 Polyethylene (PE) so as to avoid equipment damage caused by starting after shutdown.
3) The nail plate is subjected to pad printing decoration treatment, T-INK-100 series pad printing INK is matched with a Deshi model 3390HDI curing agent, and a preselected pattern TML-1001 is pad printed on the nail plate through a Jinle scientific and technological equipment company JL-YY01 pad printing machine to obtain the pad printing decorated nail plate, so that the effects of exquisite printed pattern and good adhesive force are realized. Wherein the color of the special pad printing INK with the INK type of T-INK-100-133 is red, the color of the special pad printing INK with the INK type of T-INK-100-120 is yellow, and the color of the special pad printing INK with the INK type of T-INK-100-192 is black. Wherein the T-INK-100 series pad printing INK comprises the following raw materials: calculated by mass parts, 35 parts of SA-2042HR polyurethane resin, 65 parts of diluting solvent isophorone, 1 +/-0.5 part of BYK-3450 leveling agent and 20 +/-5 parts of pigment. The mass ratio of the T-INK-100 series transfer printing INK to the Deshi mould all 3390HDI curing agent is 10: 1. the printing parameters are as follows: the printing speed is 20 prints/min, the oven temperature is 70 ℃, the drying time is 20min, and the curing time is 24h (25 ℃). The printing result is: the printing precision is exquisite by visual inspection, and the lines are sharp; the adhesive force is 0 degree in a check test, and the bending effect is not cracked when the bending is carried out by folding and bending at 180 degrees.
4) And (4) carrying out surface hardening and finishing treatment on the nail piece with the transfer printing decoration to improve the luster and the wear resistance, thus obtaining the artificial nail. The method specifically comprises the following steps: the pad-printed decorated product was spray coated with the overprint finish using a T-HD-100-UV overprint finish using a rockfield W-71 spray gun and hard cured by a UV curing machine of type UV001 from carvacard technologies ltd. The curing parameters are as follows: the curing speed is 5m/min, and the UV curing power is 1500W/x 2 UV lamps.
The artificial nail of the embodiment is subjected to a wear resistance test by adopting a ZH-MC type normal aviation instrument RCA wear resistance tester under the test conditions of the temperature of 25 +/-2 ℃, the humidity of 30-50% RH, the load weight of 175g and the test revolution of 100 circles, and the test result shows that the wear phenomenon does not occur within the revolution; the hardness of the artificial nail of the embodiment was tested using A pencil hardness tester model QHQ- A, and the test result was 1H; the artificial nail of this example was subjected to a bending test by folding and bending at 180 °, and the test result was no crack. The artificial nail of this example was visually tested for gloss and showed good gloss and crystal texture.
Example 2
This example was carried out to prepare an artificial nail using environmentally friendly artificial nail materials comprising 70kg of thermoplastic elastomer resin TPE DuraGrip DGR6880NC resin, 25kg of PC2000 surlyn resin and 5kg of TBC.
The preparation of the artificial nail comprises the following steps:
1) 70kg of DuraGrip DGR6880NC TPE resin, 25kg of PC2000 sarin resin and 5kg of TBC are uniformly mixed by adopting an HRS-10 high-speed mixer of a Code mechanical Co., Ltd, and then are prepared into granules by a WWSJ-20 double-screw granulator manufactured by Rowei plastic machinery Co., Ltd, and the prepared granules have uniform granules, no impurities, soft texture, elasticity and good transparency;
2) the procedure was the same as in example 1, and the obtained nail plate had an elastic modulus of 300Mpa and a transmittance of 89%, indicating that the nail plate had a low elastic modulus, was more easily bent, exhibited high elasticity and flexibility, and was capable of improving the transmittance and exhibited excellent transparency.
3) Carrying out vacuum coating and decorating treatment on the nail plate, matching a T-PVD-100 coating with a Deshi model 3390HDI curing agent, wherein the mass ratio of the T-PVD-100 coating to the Deshi model 3390HDI curing agent is 10:1, coating the nail piece in a spraying mode, carrying out vacuum coating on the treated nail piece, and finally carrying out T-HD-100-UV finishing and hardening treatment to obtain the artificial nail. Wherein the T-PVD-100 coating comprises the following raw materials: calculated by mass parts, 35 parts of SA-2042HR polyurethane resin, 65 parts of MEK (methyl ethyl ketone) diluent solvent, 1 part of BYK-1740 defoaming agent and BYK-3450 leveling agent.
The artificial nail of the embodiment has colorful luster of vacuum coating, the artificial nail of the embodiment is subjected to a wear resistance test by adopting a ZH-MC model aeronautical instrument RCA wear resistance tester under the test conditions of the temperature of 25 +/-2 ℃, the humidity of 30-50% RH, the weight of a load of 175g and the test revolution of 100 circles, and the test result shows that no wear phenomenon occurs within the revolution; the hardness of the artificial nail of the embodiment was tested using A pencil hardness tester model QHQ- A, and the test result was 1H; the artificial nail of this example was subjected to a bending test by folding and bending at 180 °, and the test result was no crack. The artificial nail of this example was visually tested for gloss and showed good gloss and crystal texture.
Example 3
This example was carried out to prepare an artificial nail using an environmentally friendly artificial nail material comprising 75kg of CorsiChua 5377A TPU resin, 20kg of PC2000 sarin resin and 5kg of TBC.
TPU5377A is a TPU resin, belongs to a thermoplastic elastomer resin, is a semi-polyester semi-polyether product specially developed by Corcission (original Bayer) company, gives consideration to the excellent mechanical properties of polyester materials and the good hydrolysis resistance, microorganism resistance, aging resistance and other characteristics of the polyether product, has the hardness of 5377A, is soft and elastic, and has comfortable hand feeling.
The preparation of the artificial nail comprises the following steps:
1) after 75kg of CosiChuan 5377A TPU resin, 20kg of PC2000 sarin resin and 5kg of TBC are uniformly mixed by adopting a high-speed mixer HRS-10 of the Codemechanical Co., Ltd, the granules are prepared by a WWSJ-20 double-screw granulator manufactured by the Rowei Plastic machinery Co., Ltd, and the prepared granules have uniform granules, no impurities, soft texture, elasticity and good transparency;
2) the procedure was the same as in example 1, and the obtained nail plate had an elastic modulus of 320Mpa and a transmittance of 90%, indicating that the nail plate had a low elastic modulus, was more easily bent, exhibited high elasticity and very flexibility, and was capable of improving transmittance and exhibiting excellent transparency.
3) The nail piece is subjected to magnetic cat eye decoration treatment, and the INK type T-INK-100-. T-INK-100-192 was the same as that of T-INK-100-133 in example 1 except that the pigment was different. The special transfer printing INK of T-INK-100-192 is black in color, magnetic powder is printed after printing and priming, transparent transfer printing INK with the type of T-INK-100 is used for adding F19-0039 magnetic silver of Fuyajinmeiri company, and the mixture ratio is that T-INK-100 is matched with F19-0039 to be 10:1, after transfer printing, putting on a magnetic mold to attract magnetism, finally preparing a 3D dynamic crystal stone cat eye effect, wherein the mass ratio of the two types of printing ink to the Deshi mold 3390HDI curing agent is 10: 1. the printing parameters are as follows: the printing speed is 20 prints/min, the oven temperature is 70 ℃, the drying time is 20min, and the curing time is 24h (25 ℃). The printing result is: the printing precision is exquisite by visual inspection, the cat eye is dynamic, the adhesive force is 0 degree by a check test, and the bending effect is not cracked when the printing plate is bent by 180 degrees in a folding way.
Example 4
This example was carried out to prepare an artificial nail using an environmentally friendly artificial nail material comprising 77kg DuPont Hytrel HTR8341C BK320 TPEE resin, 18kg PC2000 surlyn resin, and 5kg TBC.
The DuPont Hytrel HTR8341C BK320 is a TPEE resin, is a high-viscosity polyester elastomer developed by the U.S. DuPont company, is a thermoplastic elastomer resin, and has good heat aging resistance, high toughness, good elasticity, high impact resistance, good fatigue resistance and good chemical resistance.
The preparation of the artificial nail comprises the following steps:
1) after 77kg of DuPont Hytrel HTR8341C BK320 TPEE resin, 18kg of PC2000 sarin resin and 5kg of TBC are uniformly mixed by adopting a high-speed mixer HRS-10 of the Code mechanical Co., Ltd, the granules are prepared by a WWSJ-20 double-screw granulator manufactured by the Rowei plastic machinery Co., Ltd, and the prepared granules have uniform granules, no impurities, soft texture, very high elasticity and good transparency;
2) the procedure was the same as in example 1, and the resulting nail plate had an elastic modulus of 350Mpa and a transmittance of 88%, indicating that the nail plate had a low elastic modulus, was more easily bent, exhibited very high elasticity, good flexibility, and exhibited excellent transparency.
3) In the embodiment, IMD decoration treatment is adopted, so that an IMD film material is treated before injection molding, an IMD coating with the ink type of BX-100 is used as priming black ink, and priming is carried out to improve the action of adhesion force. Wherein, the BX-100IMD coating comprises the following raw materials: the polyurethane coating comprises, by mass, 35 parts of PU40 polyurethane resin, 65 parts of diluting solvent butanone, 1 part of BYK-1740 defoaming agent and 1 part of BYK-3450 leveling agent. IMD membrane adopts the general IMD membrane of marketing, and the thickness of membrane is 35 microns, and the coating adopts gravure press YC-350, prints, and in the IMD membrane of printing the good primary coat can be put into injection mold, carries out the manufacturing process of IMD intramode moulding plastics, its effect through the first piece after moulding plastics TPEE is finally: the pattern precision is high, and the range estimation is exquisite, and adhesive force hundred check test is 0 degree, and 180 fifty percent discount bending is measured and is bent the bending effect and not split, and production efficiency is very high.
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 and modifications may be made in the composition and process data without departing from the spirit and scope of the invention.
Claims (10)
1. An environment-friendly artificial nail material is characterized by comprising the following components in parts by mass:
50-80 parts of thermoplastic elastomer resin, 10-30 parts of surlyn resin and 2-5 parts of TBC.
2. The environment-friendly artificial nail material according to claim 1, comprising the following components in parts by mass:
65 parts of thermoplastic elastomer resin, 30 parts of surlyn resin and 5 parts of TBC.
3. The environmentally friendly artificial nail material of claim 1, wherein the thermoplastic elastomer resin is selected from one or more of TPE, TPU, TPV, TPEE, TPO, TPAE, SBS and TPR and modifications thereof.
4. An artificial nail, characterized by being made of the environmentally friendly artificial nail material according to any one of claims 1 to 3.
5. A method for preparing an artificial nail, using the environmentally friendly artificial nail material of any one of claims 1 to 3, comprising the steps of:
a) uniformly mixing the thermoplastic elastomer, the surlyn resin and the TBC, and preparing granules by a double-screw granulator;
b) and drying the granules, and then carrying out injection molding on the granules to obtain the artificial nail.
6. The preparation method according to claim 5, wherein the injection temperature of the injection molding in the step b) is 190-220 ℃;
the temperature of the injection molding die is 10-25 ℃;
and the in-mold cooling time of the injection molding is 2-4 times of the injection molding injection time.
7. The method of manufacturing of claim 5, wherein after said injection molding of step b) and prior to obtaining an artificial nail, further comprising:
and carrying out surface processing on the nail sheet obtained by injection molding.
8. The method of claim 7, wherein the surface finish is selected from the group consisting of cosmetic printing, undercoating vacuum plating, IMD film finishing, diamond setting, thermal transfer printing, inkjet printing, and surface hardening.
9. The method of claim 8, wherein the surface decoration is printed using a printing COAT selected from the group consisting of T-INK-100 series pad printing INKs, T-INK-200 series screen INKs, and T-COAT-100 series spray-on primer coatings;
the base coating adopted by the base coating vacuum plating is a T-PVD-100 series coating;
the raw materials of the T-INK-100 series pad printing INK comprise 30-40 parts by mass of two-liquid polyurethane resin, 60-70 parts by mass of solvent, 0.5-1.5 parts by mass of leveling assistant and 15-25 parts by mass of pigment;
the raw materials of the T-INK-200 series silk screen printing INK comprise 30-40 parts by mass of two-liquid polyurethane resin, 60-70 parts by mass of solvent, 0.5-1.5 parts by mass of defoaming agent, defoaming leveling assistant and 15-25 parts by mass of pigment;
the raw materials of the T-COAT-100 series spraying primer include 30-40 parts by mass of two-liquid polyurethane resin, 60-70 parts by mass of solvent, 0.5-1.5 parts by mass of defoaming agent and defoaming leveling assistant;
the raw materials of the T-PVD-100 series coating comprise 30-40 parts by mass of two-liquid type polyurethane resin, 60-70 parts by mass of solvent and 0.5-1.5 parts by mass of flatting agent;
the T-INK-100 series pad printing INK, the T-INK-200 series screen printing INK, the T-COAT-100 series spray priming paint and the T-PVD-100 series coating are combined with a curing agent when in use, and the mass ratio of the curing agent to the curing agent is 10: 1.
10. The method of claim 8, wherein the film finish is applied using a BX-100 series IMD coating;
the coatings adopted by the diamond inlaying, the thermal transfer printing and the spray painting are T-TTR-100 series coatings;
the coating adopted for surface hardening is a T-HD-100 series finishing coating;
wherein the BX-100 series IMD coating comprises the raw materials of 30-40 parts by mass of thermoplastic polyurethane resin, 60-70 parts by mass of solvent and 0.5-1.5 parts by mass of leveling agent;
the raw materials of the T-TTR-100 series coating comprise 25-35 parts by mass of two-liquid type polyurethane resin, 60-70 parts by mass of solvent and 0.5-1.5 parts by mass of flatting agent;
the T-HD-100 series finishing coating is selected from a T-HD-100-UV coating, a T-HD-100-OIL coating or a T-HD-100-W coating, the raw materials of the T-HD-100-UV coating comprise 55-65 parts by mass of polyurethane acrylic resin and 30-40 parts by mass of diluent, the raw materials of the T-HD-100-OIL coating comprise 30-40 parts by mass of hydroxyl-containing polyurethane resin, 55-65 parts by mass of solvent and 0.5-1.5 parts by mass of flatting agent, and the raw materials of the T-HD-100-W coating comprise 35-45 parts by mass of aqueous hydroxyl-containing polyurethane resin, 55-65 parts by mass of diluent and 0.5-1.5 parts by mass of flatting agent;
the BX-100 series IMD coating, the T-TTR-100 series coating and the T-HD-100 series overprint varnish coating are combined with a curing agent when in use, and the mass ratio of the curing agent to the curing agent is 10: 1.
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CN115710370A (en) * | 2022-11-14 | 2023-02-24 | 浙江新空气工艺品有限公司 | Wear-resistant durable nail piece |
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