CN115569089B - Matte nail polish adhesive and preparation method thereof - Google Patents

Matte nail polish adhesive and preparation method thereof Download PDF

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Publication number
CN115569089B
CN115569089B CN202211397578.6A CN202211397578A CN115569089B CN 115569089 B CN115569089 B CN 115569089B CN 202211397578 A CN202211397578 A CN 202211397578A CN 115569089 B CN115569089 B CN 115569089B
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weight
parts
nail polish
matt
dihydric alcohol
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CN115569089A (en
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蔡耀武
马玉民
陆瑜翀
李瑶
王建斌
王珂
孙小康
杜帅朋
陶新良
郭政
张英才
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Zhengzhou Hollowlite Materials Co ltd
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Zhengzhou Hollowlite Materials Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/87—Polyurethanes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/86—Polyethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q3/00—Manicure or pedicure preparations
    • A61Q3/02—Nail coatings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4825—Polyethers containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/671—Unsaturated compounds having only one group containing active hydrogen
    • C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
    • A61K2800/42—Colour properties
    • A61K2800/43—Pigments; Dyes
    • A61K2800/436—Interference pigments, e.g. Iridescent, Pearlescent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2170/00—Compositions for adhesives

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • Birds (AREA)
  • Inorganic Chemistry (AREA)
  • Cosmetics (AREA)

Abstract

The invention belongs to the field of nail polish, and particularly relates to a matte nail polish and a preparation method thereof. The matte nail polish provided by the invention comprises the following components in parts by weight: 80-100 parts of synthetic resin, 1-10 parts of photoinitiator, 0.5-3 parts of defoamer, 0.5-2 parts of flatting agent and 2-5 parts of hollow glass beads; the synthetic resin is prepared according to the following steps: a) Mixing dihydric alcohol with isocyanate for reaction to obtain polyurethane prepolymer; the dihydric alcohol is polyester dihydric alcohol and/or polyether dihydric alcohol; b) And mixing the polyurethane prepolymer with hydroxyethyl methacrylate for reaction to obtain the synthetic resin. The invention optimizes the composition of the nail polish gel, and particularly, the synthetic resin prepared by adopting a specific process is used as the primer of the nail polish gel, so that the nail polish gel has lower heat release and higher flexibility; meanwhile, the addition of the hollow glass beads can enable the nail polish to have a good matte effect.

Description

Matte nail polish adhesive and preparation method thereof
Technical Field
The invention belongs to the field of nail polish, and particularly relates to a matte nail polish and a preparation method thereof.
Background
Nail polish is also called nail polish, and in recent years, the nail polish has wider application, and the nail polish gradually replaces nail polish because the nail polish has the characteristics of environmental protection, no toxicity, health and safety compared with common nail polish, and the nail polish is compatible with the common advantages of the glue and the nail polish, has full and transparent color, is convenient to apply and has longer gloss.
The existing nail polish gel has larger heat release quantity, so that fingers have pain when the nail polish gel is cured, and the pain is more intense for people who are sensitive to nails or frequently make nail polish; meanwhile, the existing nail polish is low in flexibility and high in brittleness after being cured, and the internal force is high during curing, so that nails are compact and easy to break.
Disclosure of Invention
In view of the above, the invention aims to provide a matte nail polish gum and a preparation method thereof.
The invention provides a matt nail polish gel, which comprises the following components in parts by weight:
the synthetic resin is prepared according to the following steps:
a) Mixing dihydric alcohol with isocyanate for reaction to obtain polyurethane prepolymer; the dihydric alcohol is polyester dihydric alcohol and/or polyether dihydric alcohol;
b) And mixing the polyurethane prepolymer with hydroxyethyl methacrylate for reaction to obtain the synthetic resin.
Preferably, the weight average molecular weight of the polyester diol is 500-2000; the weight average molecular weight of the polyether glycol is 500-2000.
Preferably, the isocyanate is one or more of toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate and hexamethylene diisocyanate.
Preferably, the molar ratio of the isocyanate in terms of-NCO, the diol in terms of-OH and the hydroxyethyl methacrylate in terms of-OH is 2:1:1.1.
Preferably, the photoinitiator is one or more of photoinitiator 173, photoinitiator 184, photoinitiator TPO, photoinitiator 907, photoinitiator 369, and photoinitiator 1700.
Preferably, the defoaming agent is one or more of an organosilicon type defoaming agent, a polyether type defoaming agent and a polyether modified organosilicon type defoaming agent.
Preferably, the leveling agent is one or more of acrylate leveling agent, siloxane leveling agent and modified siloxane leveling agent.
Preferably, the density of the hollow glass beads is 0.1-0.75 g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the The particle size of the hollow glass beads is 15-100 mu m.
Preferably, the matte nail polish comprises the following components in parts by weight:
the invention provides a preparation method of the matte nail polish gel, which comprises the following steps:
and mixing the synthetic resin, the photoinitiator, the defoaming agent, the leveling agent and the hollow glass beads, and defoaming to obtain the matt nail polish gel.
Compared with the prior art, the invention provides the matt nail polish gel and the preparation method thereof. The matte nail polish provided by the invention comprises the following components in parts by weight: 80-100 parts of synthetic resin, 1-10 parts of photoinitiator, 0.5-3 parts of defoamer, 0.5-2 parts of flatting agent and 2-5 parts of hollow glass beads; the synthetic resin is prepared according to the following steps: a) Mixing dihydric alcohol with isocyanate for reaction to obtain polyurethane prepolymer; the dihydric alcohol is polyester dihydric alcohol and/or polyether dihydric alcohol; b) And mixing the polyurethane prepolymer with hydroxyethyl methacrylate for reaction to obtain the synthetic resin. The invention optimizes the composition of the nail polish gel, and particularly, the synthetic resin prepared by adopting a specific process is used as the primer of the nail polish gel, so that the nail polish gel has lower heat release and higher flexibility; meanwhile, the addition of the hollow glass beads can enable the nail polish to have a good matte effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a graph of the UV-DSC exotherm test of commercially available nail polish gel A provided by the present invention;
FIG. 2 is a graph of the UV-DSC exotherm test of commercially available nail polish B provided by the present invention;
FIG. 3 is a graph of the UV-DSC exotherm test of nail polish of example 1 provided by the present invention;
FIG. 4 is a graph of the UV-DSC exotherm test of nail polish of example 2 provided by the present invention;
fig. 5 is a real photograph of a matte nail sheet provided by the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a matt nail polish gel, which comprises the following components in parts by weight:
in the matt nail polish gel provided by the invention, the synthetic resin is prepared according to the following steps:
a) Mixing dihydric alcohol with isocyanate for reaction to obtain polyurethane prepolymer;
b) And mixing the polyurethane prepolymer with hydroxyethyl methacrylate (HEMA) for reaction to obtain the synthetic resin.
In the synthetic resin preparation step provided by the invention, in the step a), the dihydric alcohol is polyester dihydric alcohol and/or polyether dihydric alcohol; the weight average molecular weight of the polyester diol is preferably 500-2000, and can be specifically 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900 or 2000; the weight average molecular weight of the polyether glycol is preferably 500-2000, and can be specifically 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900 or 2000; the polyester diol is more specifically selected from polyester diol with the brand number of CP2110, and the polyester diol is provided by Nanjing Kangplastic chemical industry Co., ltd; the polyether glycol is more specifically selected from polypropylene glycol (PPG), and the most specifically selected from PPG-1000; the molar ratio of the polyester diol to the polyether diol is preferably (0 to 10) in terms of the number of moles of hydroxyl groups: (10 to 0), more preferably (1 to 9): (9-1), specifically 1:9, 2:8, 3:7, 4:6, 5:5, 6:4, 7:3, 8:2, 9:1, most preferably 5:5.
In the above synthetic resin preparation step provided by the present invention, in the step a), the isocyanate is preferably one or more of Toluene Diisocyanate (TDI), isophorone diisocyanate (IPDI), diphenylmethane diisocyanate (MDI), dicyclohexylmethane diisocyanate (HMDI) and Hexamethylene Diisocyanate (HDI), more preferably isophorone diisocyanate (IPDI).
In the above synthetic resin preparation step provided by the present invention, in step a), the molar ratio of the diol in terms of-OH to the isocyanate in terms of-NCO is preferably 1:2.
In the synthetic resin preparation step provided by the invention, in the step a), the dihydric alcohol is dehydrated preferably before participating in the mixing reaction; the dehydration mode is preferably vacuum dehydration; the temperature of the vacuum dehydration is preferably 100-150 ℃, more preferably 120 ℃; the time for the vacuum dehydration is preferably 2 to 5 hours, more preferably 2 hours.
In the synthetic resin preparation step provided by the invention, in the step a), the specific process of the mixing reaction is preferably as follows: and (3) dropwise adding isocyanate into dihydric alcohol, heating for reaction after the dropwise adding is finished, and measuring the content of-NCO in a reaction system until the-NCO reaches a theoretical value, thereby finishing the reaction. Wherein, when the dropping is carried out, the temperature of the dihydric alcohol is preferably 30-50 ℃, more preferably 40 ℃; the dripping time is preferably 20-40 min, more preferably 30min; after the dripping is finished, stirring for 20-40 min, more preferably 30min, and heating for reaction; the end temperature of the temperature-raising reaction is preferably 80-100 ℃, more preferably 90 ℃; the measurement of the-NCO content is preferably started after the reaction has been carried out for 2 hours.
In the above synthetic resin preparation step provided by the present invention, the molar ratio of the hydroxyethyl methacrylate in terms of-OH to the isocyanate in terms of-NCO in step a) in step b) is preferably 1.1:2.
in the above synthetic resin preparation step provided by the present invention, in the step b), the specific process of the mixing reaction is preferably: and (3) dropwise adding hydroxyethyl methacrylate into the polyurethane prepolymer, heating for reaction after the dropwise adding is finished, and measuring the content of-NCO in a reaction system until the-NCO reaction is complete. Wherein, when the dropping is carried out, the temperature of the polyurethane prepolymer is preferably 40-60 ℃, more preferably 50 ℃; the dripping time is preferably 20-40 min, more preferably 30min; after the dripping is finished, stirring for 10-30 min, more preferably 20min, and heating for reaction; the end temperature of the temperature-raising reaction is preferably 50-70 ℃, more preferably 60 ℃; the measurement time interval of the-NCO content is preferably 0.5 to 2 hours, more preferably 1 hour.
In the matt nail polish gel provided by the invention, the content of the synthetic resin in the nail polish gel can be specifically 80 parts by weight, 81 parts by weight, 82 parts by weight, 83 parts by weight, 84 parts by weight, 85 parts by weight, 86 parts by weight, 87 parts by weight, 88 parts by weight, 89 parts by weight, 90 parts by weight, 91 parts by weight, 92 parts by weight, 93 parts by weight, 94 parts by weight, 95 parts by weight, 96 parts by weight, 97 parts by weight, 98 parts by weight, 99 parts by weight or 100 parts by weight.
In the matt nail polish provided by the invention, the photoinitiator is preferably one or more of photoinitiator 173, photoinitiator 184, photoinitiator TPO, photoinitiator 907, photoinitiator 369 and photoinitiator 1700, more preferably at least two of the above photoinitiators, and most preferably photoinitiator 1173 and photoinitiator 184.
In the matt nail polish gel provided by the invention, the content of the photoinitiator in the nail polish gel can be 1 part by weight, 1.5 parts by weight, 2 parts by weight, 2.5 parts by weight, 3 parts by weight, 3.5 parts by weight, 4 parts by weight, 4.5 parts by weight, 5 parts by weight, 5.5 parts by weight, 6 parts by weight, 6.5 parts by weight, 7 parts by weight, 7.5 parts by weight, 8 parts by weight, 8.5 parts by weight, 9 parts by weight, 9.5 parts by weight or 10 parts by weight.
In the matt nail polish provided by the invention, when the photoinitiator 1173 and the photoinitiator 184 are selected, the content of the photoinitiator 1173 in the nail polish is preferably 0.5-5 parts by weight, specifically 0.5 parts by weight, 1 part by weight, 1.5 parts by weight, 2 parts by weight, 2.5 parts by weight, 3 parts by weight, 3.5 parts by weight, 4 parts by weight, 4.5 parts by weight or 5 parts by weight; the content of the photoinitiator 184 in the nail polish is preferably 0.5 to 5 parts by weight, and specifically may be 0.5 parts by weight, 1 part by weight, 1.5 parts by weight, 2 parts by weight, 2.5 parts by weight, 3 parts by weight, 3.5 parts by weight, 4 parts by weight, 4.5 parts by weight, or 5 parts by weight.
In the matt nail polish gel provided by the invention, the defoaming agent is preferably one or more of an organosilicon defoaming agent, a polyether defoaming agent and a polyether modified organosilicon defoaming agent, and more preferably is a defoaming agent with the brand of BYK-A530.
In the matt nail polish gel provided by the invention, the content of the antifoaming agent in the nail polish gel can be specifically 0.5 part by weight, 0.6 part by weight, 0.7 part by weight, 0.8 part by weight, 0.9 part by weight, 1 part by weight, 1.1 part by weight, 1.2 parts by weight, 1.3 parts by weight, 1.4 parts by weight, 1.5 parts by weight, 1.6 parts by weight, 1.7 parts by weight, 1.8 parts by weight, 1.9 parts by weight, 2 parts by weight, 2.1 parts by weight, 2.2 parts by weight, 2.3 parts by weight, 2.4 parts by weight, 2.5 parts by weight, 2.6 parts by weight, 2.7 parts by weight, 2.8 parts by weight, 2.9 parts by weight or 3 parts by weight.
In the matt nail polish gel provided by the invention, the leveling agent is preferably one or more of acrylic ester leveling agent, siloxane leveling agent and modified siloxane leveling agent, and more preferably is a leveling agent with the brand of BYK-354.
In the matt nail polish gel provided by the invention, the content of the leveling agent in the nail polish gel can be specifically 0.5 part by weight, 0.6 part by weight, 0.7 part by weight, 0.8 part by weight, 0.9 part by weight, 1 part by weight, 1.1 part by weight, 1.2 parts by weight, 1.3 parts by weight, 1.4 parts by weight, 1.5 parts by weight, 1.6 parts by weight, 1.7 parts by weight, 1.8 parts by weight, 1.9 parts by weight or 2 parts by weight.
In the matt nail polish gel provided by the invention, the density of the hollow glass beads is preferably 0.1-0.75 g/cm 3 Specifically, it may be 0.1g/cm 3 、0.15g/cm 3 、0.2g/cm 3 、0.25g/cm 3 、0.3g/cm 3 、0.35g/cm 3 、0.4g/cm 3 、0.45g/cm 3 、0.5g/cm 3 、0.55g/cm 3 、0.6g/cm 3 、0.65g/cm 3 、0.7g/cm 3 Or 0.75g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the The said spaceThe particle size of the heart glass beads is preferably 15 to 100. Mu.m, and specifically 15. Mu.m, 20. Mu.m, 25. Mu.m, 30. Mu.m, 35. Mu.m, 40. Mu.m, 45. Mu.m, 50. Mu.m, 55. Mu.m, 60. Mu.m, 65. Mu.m, 70. Mu.m, 75. Mu.m, 80. Mu.m, 85. Mu.m, 90. Mu.m, 95. Mu.m, or 100. Mu.m.
In the matt nail polish gel provided by the invention, the content of the hollow glass beads in the nail polish gel can be specifically 2 parts by weight, 2.1 parts by weight, 2.2 parts by weight, 2.3 parts by weight, 2.4 parts by weight, 2.5 parts by weight, 2.6 parts by weight, 2.7 parts by weight, 2.8 parts by weight, 2.9 parts by weight, 3 parts by weight, 3.1 parts by weight, 3.2 parts by weight, 3.3 parts by weight, 3.4 parts by weight, 3.5 parts by weight, 3.6 parts by weight, 3.7 parts by weight, 3.8 parts by weight, 3.9 parts by weight, 4 parts by weight, 4.1 parts by weight, 4.2 parts by weight, 4.3 parts by weight, 4.4 parts by weight, 4.5 parts by weight, 4.6 parts by weight, 4.7 parts by weight, 4.8 parts by weight, 4.9 parts by weight or 5 parts by weight.
The invention also provides a preparation method of the matte nail polish gel, which comprises the following steps:
and mixing the synthetic resin, the photoinitiator, the defoaming agent, the leveling agent and the hollow glass beads, and defoaming to obtain the matt nail polish gel.
In the preparation method provided by the invention, the matte nail polish gel provided by the invention can be obtained by directly mixing all raw materials uniformly in proportion and then vacuum defoaming, and the detailed information and the dosage proportion of the raw materials are described in the foregoing, and are not repeated here.
According to the technical scheme provided by the invention, the component composition of the nail polish gel is optimally designed, and particularly, the synthetic resin prepared by a specific process is used as the primer of the nail polish gel, so that the nail polish gel has lower heat release and higher flexibility; meanwhile, the addition of the hollow glass beads can enable the nail polish to have a good matte effect.
For clarity, the following examples are provided in detail.
Example 1
(1) Preparation of synthetic resin:
vacuum dehydrating polyester diol with weight average molecular weight of 1000 (brand: CP2110, manufacturer: nanjing Kangdong plastic De chemical Co., ltd.) at 120deg.C for 2 hr; adding the dried polyester diol into a reaction kettle with a stirrer, uniformly mixing, heating the reaction kettle to 40 ℃, slowly dropwise adding a proper amount of IPDI through a constant pressure funnel, stirring for half an hour after dropwise adding, heating to 90 ℃, reacting for two hours, measuring the content of-NCO in the reactant until the content of-NCO reaches a theoretical value, and finishing the reaction to obtain a polyurethane prepolymer;
adding the prepared polyurethane prepolymer into a reaction kettle, heating to 50 ℃, dropwise adding a proper amount of HEMA by using a constant pressure funnel, stirring for 20min after dropwise adding, heating to 60 ℃, testing the content of-NCO every 1h until the-NCO reaction is complete, preparing polyester polyether type polyurethane acrylic resin (short for synthetic resin), cooling, sealing and shading for storage;
the molar number of the reactive groups-NCO (diisocyanate) during the entire reaction: -OH (diol): -OH (HEMA) =2:1:1.1.
(2) Preparing matt nail polish:
100 parts by weight of a synthetic resin, 0.5 part by weight of a photoinitiator 1173, 0.5 part by weight of a photoinitiator 184, 0.5 part by weight of a defoaming agent (BYK-A530), 0.5 part by weight of a leveling agent (BYK-354) and 2 parts by weight of hollow glass microspheres (particle diameter 25 μm, density 0.6 g/cm) 3 ) Mixing uniformly, and vacuum defoaming to obtain the matt nail polish gel.
Example 2
(1) Preparation of synthetic resin:
vacuum dehydrating polyester diol with weight average molecular weight of 1000 (brand: CP2110, manufacturer: nanjing Kangplastic De chemical Co., ltd.) and polyether diol with weight average molecular weight of 1000 (PPG-1000) at 120deg.C for 2 hr; adding the dried polyester diol and polyether diol into a reaction kettle provided with a stirrer according to the molar ratio of hydroxyl groups of 5:5, uniformly mixing, heating the reaction kettle to 40 ℃, slowly dropwise adding a proper amount of IPDI (IPDI) through a constant pressure funnel, stirring for half an hour after the dropwise adding is completed within 30 minutes, heating to 90 ℃, reacting for two hours, measuring the content of-NCO in the reactant until the content of-NCO reaches a theoretical value, and finishing the reaction to obtain a polyurethane prepolymer;
adding the prepared polyurethane prepolymer into a reaction kettle, heating to 50 ℃, dropwise adding a proper amount of HEMA by using a constant pressure funnel, stirring for 20min after dropwise adding, heating to 60 ℃, testing the content of-NCO every 1h until the-NCO reaction is complete, preparing synthetic resin, cooling, sealing, shading and preserving;
the molar number of the reactive groups-NCO (diisocyanate) during the entire reaction: -OH (diol): -OH (HEMA) =2:1:1.1.
(2) Preparing matt nail polish:
100 parts by weight of a synthetic resin, 1 part by weight of a photoinitiator 1173, 1 part by weight of a photoinitiator 184, 2 parts by weight of a defoaming agent (BYK-A530), 1 part by weight of a leveling agent (BYK-354) and 5 parts by weight of hollow glass microspheres (particle diameter 25 μm, density 0.6 g/cm) 3 ) Mixing uniformly, and vacuum defoaming to obtain the matt nail polish gel.
Performance testing
(1) Heat release, cure temperature, flexibility and adhesion test:
the matt nail polish prepared in examples 1-2 and other commercially available nail polish were tested for heat release, cure temperature, flexibility and adhesion, and the test results are shown in fig. 1-4 and table 1. Wherein, fig. 1 is a UV-DSC exotherm test chart of commercial nail polish gel a provided by the present invention, fig. 2 is a UV-DSC exotherm test chart of commercial nail polish gel B provided by the present invention, fig. 3 is a UV-DSC exotherm test chart of nail polish gel of example 1 provided by the present invention, and fig. 4 is a UV-DSC exotherm test chart of nail polish gel of example 2 provided by the present invention.
TABLE 1 heat release, cure temperature, flexibility and adhesion test results for nail polish
(2) And (3) observing matte effect:
the matte nail polish gel prepared in example 1 is coated on a nail plate, the effect is observed after curing, as shown in fig. 5, and fig. 5 is a real photographic image of the matte nail plate provided by the invention. As can be seen from fig. 5, the nail polish of example 1 has a matte effect after being applied and cured.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (7)

1. The matt nail polish gel comprises the following components in parts by weight:
the synthetic resin is prepared according to the following steps:
a) Mixing dihydric alcohol with isocyanate for reaction to obtain polyurethane prepolymer; the dihydric alcohol is polyester dihydric alcohol and polyether dihydric alcohol, and the molar ratio of the polyester dihydric alcohol to the polyether dihydric alcohol is (1-9) based on the molar number of hydroxyl groups: (9-1);
b) Mixing the polyurethane prepolymer with hydroxyethyl methacrylate for reaction to obtain synthetic resin;
the molar ratio of the isocyanate in terms of-NCO, the diol in terms of-OH and the hydroxyethyl methacrylate in terms of-OH is 2:1:1.1.
2. The matt nail polish according to claim 1, wherein the weight average molecular weight of the polyester diol is 500-2000; the weight average molecular weight of the polyether glycol is 500-2000.
3. The matt nail polish according to claim 1, wherein the isocyanate is one or more of toluene diisocyanate, isophorone diisocyanate, diphenylmethane diisocyanate, dicyclohexylmethane diisocyanate and hexamethylene diisocyanate.
4. The matt nail polish according to claim 1, wherein the defoamer is one or more of silicone defoamer, polyether defoamer and polyether modified silicone defoamer.
5. The matt nail polish according to claim 1, wherein the leveling agent is one or more of an acrylic leveling agent, a silicone leveling agent and a modified silicone leveling agent.
6. The matt nail polish according to claim 1, wherein the hollow glass beads have a density of 0.1-0.75 g/cm 3 The method comprises the steps of carrying out a first treatment on the surface of the The particle size of the hollow glass beads is 15-100 mu m.
7. A method for preparing the matt nail polish according to any one of claims 1 to 6, comprising the following steps:
and mixing the synthetic resin, the photoinitiator, the defoaming agent, the leveling agent and the hollow glass beads, and defoaming to obtain the matt nail polish gel.
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