JP4943268B2 - Adhesive for glue - Google Patents
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- JP4943268B2 JP4943268B2 JP2007207233A JP2007207233A JP4943268B2 JP 4943268 B2 JP4943268 B2 JP 4943268B2 JP 2007207233 A JP2007207233 A JP 2007207233A JP 2007207233 A JP2007207233 A JP 2007207233A JP 4943268 B2 JP4943268 B2 JP 4943268B2
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- adhesive
- false eyelashes
- skin
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- methyl methacrylate
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- 239000000853 adhesive Substances 0.000 title claims abstract description 66
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 64
- 239000003292 glue Substances 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 19
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 18
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229920006243 acrylic copolymer Polymers 0.000 claims abstract description 8
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 17
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 17
- 229920001577 copolymer Polymers 0.000 claims description 15
- 230000037303 wrinkles Effects 0.000 claims description 5
- 210000000720 eyelash Anatomy 0.000 abstract description 14
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 abstract 2
- UIERETOOQGIECD-UHFFFAOYSA-N Angelic acid Natural products CC=C(C)C(O)=O UIERETOOQGIECD-UHFFFAOYSA-N 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 230000000638 stimulation Effects 0.000 abstract 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 13
- 239000000178 monomer Substances 0.000 description 11
- -1 polyoxyethylene Polymers 0.000 description 8
- 239000000470 constituent Substances 0.000 description 7
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 210000000744 eyelid Anatomy 0.000 description 4
- 229920006173 natural rubber latex Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000007720 emulsion polymerization reaction Methods 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 239000003505 polymerization initiator Substances 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- 206010036790 Productive cough Diseases 0.000 description 1
- 206010040830 Skin discomfort Diseases 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- 150000008051 alkyl sulfates Chemical class 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- 230000000172 allergic effect Effects 0.000 description 1
- NBZANZVJRKXVBH-GYDPHNCVSA-N alpha-Cryptoxanthin Natural products O[C@H]1CC(C)(C)C(/C=C/C(=C\C=C\C(=C/C=C/C=C(\C=C\C=C(/C=C/[C@H]2C(C)=CCCC2(C)C)\C)/C)\C)/C)=C(C)C1 NBZANZVJRKXVBH-GYDPHNCVSA-N 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 229940077388 benzenesulfonate Drugs 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 239000006196 drop Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003889 eye drop Substances 0.000 description 1
- 229940012356 eye drops Drugs 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000003802 sputum Anatomy 0.000 description 1
- 208000024794 sputum Diseases 0.000 description 1
Landscapes
- Cosmetics (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
本発明は、付け睫を皮膚に貼り付けるための粘着剤に関する。 The present invention relates to a pressure-sensitive adhesive for affixing a tack to the skin.
従来より、化粧の際に装飾物を皮膚に貼り付けて化粧をする方法が広く普及しており、装飾物の１つとして、付け睫が挙げられる。付け睫は、目元をくっきりみせるために用いられる装飾物であり、細い線材に多数の繊維を配して構成され、線材を睫ラインに合わせて睫の生え際の皮膚に貼り付け、全体的な睫の強調を図るもの（以下全体付けタイプという）と、線材を用いることなく、多数の線維を一方の端部（根元部分）で結んで束となるように固定して構成され、睫の生え際の皮膚に貼り付けることにより、睫の部分的な強調をも可能とするもの（以下ポイント付けタイプという。なお、部分付用と呼称される場合もある）とがある。これら付け睫を貼り付ける際には、前者の場合は線材部分、後者の場合は根元部分に接着剤等を塗布し、皮膚に貼り付けるのが一般的に行われている。 2. Description of the Related Art Conventionally, a method of applying makeup by applying a decorative object to the skin during makeup has been widely used, and one of the decorative items is a flaw. A spear is a decoration used to make the eye clearer. It is composed of a thin wire with a large number of fibers, and the wire is aligned with the wrinkle line and affixed to the skin at the hairline. It is constructed by fixing many fibers together at one end (root part) without using a wire, and emphasizing the emphasis (hereinafter referred to as the overall attachment type). Some of them can also be partially emphasized by attaching them to the skin (hereinafter referred to as “pointing type”, sometimes referred to as “partial attachment”). When attaching these tacks, it is common practice to apply an adhesive or the like to the wire portion in the former case and to apply the adhesive to the root portion in the latter case.
付け睫を貼り付けるための粘着剤、および接着剤には、天然ゴムラテックスを主成分としたものが広く用いられている。しかしながら、天然ゴムラテックスを主成分とした接着剤は、使用者にゴムアレルギーがある場合には使用することができないほか、粘着力が弱く、水や汗などに対する耐水性も低かった。また、接着面における粘着性は、一旦硬化すると失われるため、付け睫の一部が外れると付け睫全体も皮膚から外れてしまう場合が多い。 As a pressure-sensitive adhesive and an adhesive for sticking the tackle, those mainly composed of natural rubber latex are widely used. However, the adhesive mainly composed of natural rubber latex cannot be used when the user is allergic to rubber, has low adhesive strength, and has low water resistance against water and sweat. In addition, since the adhesiveness on the adhesive surface is lost once it is cured, in many cases, when a part of the tack is removed, the entire tack is also detached from the skin.
さらに、当該天然ゴムラテックス含粘着剤を使用した場合、付け睫は、粘着剤の硬化過程が進行途上の段階で皮膚に貼り付けるため、使用者は硬化による皮膚の不快感（つっぱり感）を感じることも多い。加えて、当該粘着剤は乾燥するとゴム色を呈し、また肉厚であるため、使用者以外の第３者の目にとまる場合も多くあった。 Furthermore, when the natural rubber latex pressure sensitive adhesive is used, the adhesive stick is attached to the skin when the adhesive is in the process of curing, so the user feels skin discomfort due to curing. There are many things. In addition, since the pressure-sensitive adhesive exhibits a rubber color when dried and is thick, it often caught the eyes of a third party other than the user.
一方、皮膚に物品を貼り付けるための粘着剤、および接着剤は、例えば絆創膏のような、医療用物品の分野において研究開発が盛んに行われている（例えば特許文献１）。 Meanwhile, pressure-sensitive adhesives and adhesives for attaching articles to the skin are actively researched and developed in the field of medical articles such as bandages (for example, Patent Document 1).
特許文献１に記載の接着剤は、医療用テープ、創傷用包帯などの貼り付けに用いる感圧接着剤であって、平均して少なくとも４個の炭素を有するアルキル基を含む少なくとも１つのモノエチレン性不飽和（メタ）アクリル酸エステルおよび少なくとも１つのモノエチレン性不飽和強化用モノマーを含む感圧粘着剤成分と、平均して４個未満の炭素を有するアルキル基を含む少なくとも１つのモノエチレン性不飽和（メタ）アクリル酸エステルおよび少なくとも１つの親水性酸性モノマーを含むフィルム形成成分とを含む。当該構成により、特許文献１の感圧接着剤は、濡れた皮膚等に対しても十分な接着力を有するため、医療物品の創傷を受けた患部への貼り付けに適している。 The adhesive described in Patent Document 1 is a pressure-sensitive adhesive used for attaching medical tapes, wound dressings and the like, and includes at least one monoethylene containing an alkyl group having an average of at least 4 carbons. Pressure-sensitive adhesive component comprising a photo-unsaturated (meth) acrylic acid ester and at least one monoethylenically unsaturated reinforcing monomer and at least one monoethylenic comprising an alkyl group having an average of less than 4 carbons And a film-forming component comprising an unsaturated (meth) acrylic acid ester and at least one hydrophilic acidic monomer. With this configuration, the pressure-sensitive adhesive of Patent Document 1 has a sufficient adhesive force even on wet skin or the like, and is therefore suitable for application to a wounded part of a medical article.
しかしながら、特許文献１の感圧接着剤は、非常時における医療用物品の貼り付けを前提とするものであり、付け睫への使用は快適性などの面で劣る。また、付け睫に用いた場合、除去する際には痛みを伴うこともある。
粘着剤により皮膚に貼り付けられている他の物品と比較して、付け睫は、美観の問題から接着面を小さく抑える必要がある。そのため、付け睫用粘着剤は十分な粘着力を備える必要がある。特に、当該要求は、接着に係る部分が小さい、ポイント付けタイプへの使用において顕著である。 Compared to other articles that are attached to the skin with an adhesive, it is necessary to keep the adhesive surface small because of the aesthetic problem. For this reason, it is necessary for the adhesive for tacks to have sufficient adhesive strength. In particular, this requirement is remarkable in the use for a pointing type in which a portion related to adhesion is small.
また、睫の生え際、および近傍の皮膚は、涙や汗、供給された目薬、さらには食事の際の湯気などにより、皮膚のなかでも水分に晒される機会が多い部分の１つである。そのため、付け睫用粘着剤には高い耐水性が求められる。 In addition, the hairline and the nearby skin are one of the parts of the skin that are often exposed to moisture due to tears and sweat, supplied eye drops, and steam during meals. Therefore, high water resistance is required for the adhesive for tacks.
さらに、付け睫が貼り付けられる睫近傍の皮膚は、まばたきなどの皮膚の動きが多い部分である。よって、このような使用者自身の皮膚の動きに対応するために、および、付け睫が外れてしまった場合でも、容易に再貼り付けできるようにするために、一度貼り付けた後にも粘着剤の粘着性が持続することが好ましい。加えて、使用後には付け睫を皮膚から容易に除去できることが、快適性の面から好ましい。 Furthermore, the skin in the vicinity of the eyelid on which the eyelid is attached is a portion where the skin moves frequently, such as blinking. Therefore, in order to cope with the movement of the user's own skin and to make it easy to re-apply even if the attachment wrinkle is removed, the adhesive is also applied after being applied once It is preferable that the tackiness of In addition, it is preferable from the viewpoint of comfort that the sputum can be easily removed from the skin after use.
本発明はこのような事情に基づきなされたものであり、付け睫を皮膚に貼り付けるための粘着剤であって、高い粘着力、粘着力持続性、耐水性とを有し、使用後には貼り付けた付け睫を容易に剥がすことができる、付け睫用粘着剤を提供することを目的とする。 The present invention has been made on the basis of such circumstances, and is an adhesive for sticking a flaw to the skin, which has high adhesive strength, adhesive strength durability, and water resistance, and is applied after use. An object of the present invention is to provide a tacky adhesive that can easily peel off the tacked tack.
本発明の粘着剤は、付け睫を皮膚に貼り付けるための粘着剤であって、水と、メタクリル酸メチル、アクリル酸エチル、アクリル酸２−エチルヘキシル、メタクリル酸からなるアクリル系共重合体とを含み、アクリル系共重合体は、共重合体１００質量部に対し、メタクリル酸メチル４〜８質量部、アクリル酸エチル１〜４．５質量部、メタクリル酸０．５〜１．５質量部であることを特徴とする。
The pressure-sensitive adhesive of the present invention is a pressure-sensitive adhesive for sticking a flaw to the skin, and water and an acrylic copolymer made of methyl methacrylate, ethyl acrylate, 2-ethylhexyl acrylate, and methacrylic acid. see containing, acrylic copolymer, co respect polymer 100 parts by weight of 4 to 8 parts by mass of methyl methacrylate, ethyl acrylate 1 to 4.5 parts by weight 0.5 to 1.5 parts by weight methacrylic acid It is characterized by being.
本発明の粘着剤は、水と、メタクリル酸メチル、アクリル酸エチル、アクリル酸２−エチルヘキシル、メタクリル酸からなる共重合体とを含むことにより、高い粘着力と耐水性を有する。また、本発明の粘着剤によれば、付け睫を貼り付けた後も粘着力が持続する。よって、付け睫使用中は、使用者自身の皮膚の動きや外的刺激によって付け睫が外れることは、従来の接着剤などと比較して少なく、従来よりも長時間の付け睫の使用が可能である。また、外れた場合にも容易に再貼り付けすることができる。加えて、付け睫用として好適な粘着力を備えているため、取り外しも容易であり、快適性の面からも好ましい。 The pressure-sensitive adhesive of the present invention has high adhesive strength and water resistance by including water and a copolymer composed of methyl methacrylate, ethyl acrylate, 2-ethylhexyl acrylate, and methacrylic acid. Further, according to the pressure-sensitive adhesive of the present invention, the adhesive strength is maintained even after the attachment tack is attached. Therefore, during use of the tackle, it is less likely to come off due to the user's own skin movement or external stimulus compared to conventional adhesives, and it is possible to use the tackle for a longer time than before. It is. Moreover, even if it comes off, it can be easily pasted again. In addition, since it has a suitable adhesive force for the tack, it is easy to remove, which is preferable from the viewpoint of comfort.
以下、本発明の好ましい実施形態について詳しく説明する。 Hereinafter, preferred embodiments of the present invention will be described in detail.
本実施形態は、付け睫を皮膚に貼り付けるための付け睫用粘着剤であり、水と、アクリル系共重合体とを含む。アクリル系共重合体は、主要構成モノマーであるアクリル酸２−エチルヘキシルと、メタクリル酸メチルと、アクリル酸エチルと、メタクリル酸とからなる共重合体である。 This embodiment is a tacky adhesive for sticking a tackle to the skin, and includes water and an acrylic copolymer. The acrylic copolymer is a copolymer composed of 2-ethylhexyl acrylate, which is a main constituent monomer, methyl methacrylate, ethyl acrylate, and methacrylic acid.
アクリル酸２−エチルヘキシルは、−２０℃以下（ホモポリマーとした場合におよそ−８５℃）のガラス転移温度（Ｔｇ）を有する。これを主要構成モノマーとすることにより、冬場の常温においても高い粘着性が付与される。すなわち、本実施形態の付け睫用接着剤は、共重合体がアクリル酸２−エチルヘキシルを主要構成モノマーとして含むとともに、メタクリル酸メチル、アクリル酸エチル、メタクリル酸を含むことにより、付け睫用粘着剤として好ましい粘着性と、粘着持続性と、耐水性とを備える。 2-Ethylhexyl acrylate has a glass transition temperature (Tg) of −20 ° C. or lower (approximately −85 ° C. in the case of a homopolymer). By using this as a main constituent monomer, high tackiness is imparted even at normal temperatures in winter. That is, the adhesive for flaws according to the present embodiment is a pressure-sensitive adhesive for flaws because the copolymer contains 2-ethylhexyl acrylate as a main constituent monomer and also contains methyl methacrylate, ethyl acrylate, and methacrylic acid. As preferable adhesiveness, adhesion persistence, and water resistance.
また、付け睫に塗布した本実施形態の粘着剤は、付け睫の塗布部分に強く付着しており、外した後でも粘着性が持続したままで塗布部分に定着する。よって、１度外した付け睫を再貼り付けして使用することができる。なお、粘着性が低下した場合には、粘着剤を再度塗布することにより、粘着性を回復させることが可能である。 Further, the pressure-sensitive adhesive of the present embodiment applied to the tackle adheres strongly to the application part of the tackle, and is fixed to the application part while maintaining the adhesiveness even after being removed. Therefore, it is possible to use the adhesive hook once removed by reattaching it. In addition, when adhesiveness falls, it is possible to recover adhesiveness by apply | coating an adhesive again.
さらに、本実施形態の粘着剤は、付け睫に塗布し、水が蒸発して粘着性を呈するようになった後に皮膚に貼り付けるため、使用者が皮膚の収縮による不快感を感じることはほとんどない。さらにまた、本実施形態の付け睫用粘着剤は、光学的に透明である。したがって、付け睫を貼り付けた際にも、付け睫用粘着剤が使用者以外の第３者の目につくことはほとんどない。加えて、本実施形態の付け睫用粘着剤は有機溶媒等を含有せず、また、共重合体の構成モノマーは医療用の接着剤にも用いられているため、安全性の面からも好ましい。 Furthermore, since the adhesive of the present embodiment is applied to a tackle and is applied to the skin after the water has evaporated and becomes sticky, the user hardly feels discomfort due to skin contraction. Absent. Furthermore, the adhesive for false eyelashes of this embodiment is optically transparent. Therefore, even when the tackle is pasted, the tacky adhesive is hardly noticed by a third party other than the user. In addition, the adhesive for false eyelashes of this embodiment does not contain an organic solvent or the like, and the constituent monomer of the copolymer is also used for a medical adhesive, which is preferable from the viewpoint of safety. .
ここで、本実施形態の付け睫用粘着剤に含まれる共重合体は、共重合体１００質量部当たりメタクリル酸メチル4〜8質量部、アクリル酸エチル1〜4.5質量部、メタクリル酸0.5〜1.5質量部であることが好ましい。さらに、メタクリル酸メチル5〜6.5質量部、アクリル酸エチル3〜4.2質量部であるとより好ましい。 Here, the copolymer contained in the adhesive for false eyelashes of this embodiment is 4 to 8 parts by mass of methyl methacrylate, 1 to 4.5 parts by mass of ethyl acrylate, 0.5 to 1.5 parts of methacrylic acid per 100 parts by mass of the copolymer. It is preferable that it is a mass part. Furthermore, 5 to 6.5 parts by mass of methyl methacrylate and 3 to 4.2 parts by mass of ethyl acrylate are more preferable.
メタクリル酸メチル、アクリル酸エチル、メタクリル酸の、少なくともいずれか１つの割合が上述した範囲よりも大きい場合、該割合の範囲内にあるときと比較して、保持力は強くなるが、タック（肌で感じる粘性）は小さくなる。一方、メタクリル酸メチル、アクリル酸エチル、メタクリル酸の、少なくともいずれか１つの割合が上述した範囲よりも小さい場合は、該割合の範囲内にあるときと比較して、タックは大きくなるが、保持力は低下する。したがって、いずれの場合にも、該割合の範囲内にあるときと比較して、付け睫が外れやすくなる。 When the ratio of at least one of methyl methacrylate, ethyl acrylate, and methacrylic acid is larger than the above-described range, the holding power becomes stronger than when the ratio is within the range, but tack (skin (Viscosity felt by) decreases. On the other hand, when at least one ratio of methyl methacrylate, ethyl acrylate, and methacrylic acid is smaller than the above-described range, the tack is increased as compared with the case of being within the range of the ratio, but retained. The power drops. Accordingly, in any case, the flaws are likely to come off as compared with the case where the ratio is within the range.
言い換えれば、共重合体に含まれるメタクリル酸メチル、アクリル酸エチル、メタクリル酸のいずれもが上述した範囲内にあるとき、本実施形態の付け睫用粘着剤は、付け睫に適用するに際してより一層好適な粘着性と粘着持続性とを発揮する。 In other words, when all of methyl methacrylate, ethyl acrylate, and methacrylic acid contained in the copolymer are within the above-described range, the adhesive for the flaws according to the present embodiment is further applied when applied to the flaws. Suitable adhesiveness and adhesive persistence are exhibited.
なお、構成モノマーの粘着剤全体に占める割合は、後述する水の割合等に応じて変化するが、例えば、付け睫用粘着剤当たり、アクリル酸２−エチルヘキシル46〜51質量％、メタクリル酸メチル2.13〜4.2質量％、アクリル酸エチル0.53〜2.4質量％、メタクリル酸0.26〜0.8質量％とすることができる。 In addition, although the ratio which occupies for the whole adhesive of a constituent monomer changes according to the ratio of the water etc. which are mentioned later, for example, per ethylenic adhesive, 46-51 mass% of 2-ethylhexyl acrylate, methyl methacrylate 2.13 -4.2 mass%, ethyl acrylate 0.53-2.4 mass%, and methacrylic acid 0.26-0.8 mass%.
本実施形態の付け睫用粘着剤は、例えば、共重合体を構成するモノマーを、分散媒である水中で、共重合体１００質量部に対して５〜１０質量部程度の乳化剤と、重合開始剤とを添加して乳化重合により共重合させて製造することが可能である。なお、各種成分の添加方法については特に制限されず、一括添加方法、分割添加方法、連続添加方法のいづれでも選択することが可能である。 The adhesive for tacks of this embodiment is, for example, a monomer constituting the copolymer, in water as a dispersion medium, about 5 to 10 parts by mass of an emulsifier and 100 parts by mass of the copolymer, and polymerization initiation It can be produced by adding an agent and copolymerizing by emulsion polymerization. In addition, it does not restrict | limit especially about the addition method of various components, It is possible to select any of a batch addition method, a division addition method, and a continuous addition method.
このとき、重合開始剤としては通常用いられているものを適宜選択して添加することができ、例えば過硫酸カリウム、過硫酸アンモニウム等の過硫酸塩を挙げることができる。 At this time, as the polymerization initiator, those usually used can be appropriately selected and added, and examples thereof include persulfates such as potassium persulfate and ammonium persulfate.
また、乳化剤についても通常使用されるものを適宜選択して用いることができ、例えばアニオン性界面活性剤やノニオン性界面活性剤を用いることができる。アニオン性界面活性剤としては、例えば、ポリオキシエチレンアルキル硫酸エステル塩、ポリオキシエチレンアルキルフェニル硫酸エステル塩、アルキルスルホン酸塩、スルホコハク酸塩、アルキルベンゼンスルホン酸塩、アルキルエーテルジスルホン酸塩、脂肪酸塩とすることができる。また、ノニオン性界面活性剤としては、例えば、ポリオキシエチレンアルキルエーテル、ポリオキシエチレンアルキルフェノールエーテル、アルキルノニルフェニルエーテル、ポリオキシエチレン脂肪酸エステルとすることができる。 Moreover, what is normally used can also be selected suitably and can be used also about an emulsifier, for example, an anionic surfactant and a nonionic surfactant can be used. Examples of the anionic surfactant include polyoxyethylene alkyl sulfate, polyoxyethylene alkyl phenyl sulfate, alkyl sulfonate, sulfosuccinate, alkyl benzene sulfonate, alkyl ether disulfonate, fatty acid salt, and the like. can do. Examples of the nonionic surfactant include polyoxyethylene alkyl ether, polyoxyethylene alkylphenol ether, alkyl nonylphenyl ether, and polyoxyethylene fatty acid ester.
さらに、本実施形態の付け睫用粘着剤の水の含有量についても、例えばはけを用いた塗布、チューブからの直接塗布などの塗布態様等に合わせて適宜選択することが可能であり、例えば粘着剤当たり４０．７〜４３．９質量％とすることができる。このとき、共重合体の粘着剤全体に占める割合は、乳化剤の添加量等により変化するが、例えば５３．４〜５３．９質量％となる。 Furthermore, the water content of the adhesive for the tack of this embodiment can also be appropriately selected according to the application mode such as application using a brush, direct application from a tube, etc. It can be 40.7-43.9 mass% per adhesive. At this time, the ratio of the copolymer to the entire pressure-sensitive adhesive varies depending on the amount of the emulsifier added, and is, for example, 53.4 to 53.9% by mass.
このほか、本実施形態の付け睫用粘着剤は、公知の方法により、共重合させた共重合体を水に分散させることにより製造してもよい。 In addition, the adhesive for tacks of this embodiment may be produced by dispersing a copolymerized copolymer in water by a known method.
次に、本実施形態の粘着剤を用いた付け睫の貼り付け過程を、図１〜図５に基づいて説明する。 Next, the sticking process of the tack using the pressure-sensitive adhesive of this embodiment will be described with reference to FIGS.
まず、図１に示すように、付け睫３０の根元の線材３１に粘着剤１をうすく均一に塗布する。この状態で数十秒放置すると、水が蒸発して塗布した粘着剤１が乳白色から透明になり、粘着剤１は粘着性を呈するようになる。なお、この粘着剤の色の変化は、粘着性を呈するようになったことの目安となるため、使用者はこれを基準として化粧作業を進めることができ、利便性が高い。 First, as shown in FIG. 1, the pressure-sensitive adhesive 1 is lightly and uniformly applied to the wire rod 31 at the base of the tack 30. If left in this state for several tens of seconds, the adhesive 1 applied by evaporation of water turns from milky white to transparent, and the adhesive 1 becomes sticky. In addition, since the change in the color of the pressure-sensitive adhesive is an indication that the adhesive has come to exhibit adhesiveness, the user can proceed with the makeup work on the basis of this, which is highly convenient.
続いて、図２に示すように、伏せ目（目線を下に向けた状態）にし、付け睫３０を使用者の睫２０に沿うようにして、睫より１ｍｍほど上方に位置する睫生え際の皮膚２１（点線部分）に貼り付け、軽く押さえる。そして、最後に使用者の睫２０と付け睫３０をつまんで整えることにより、一体的に見えるようにする。付け睫３０を取り外す際には、図３に示すように、付け睫３０の毛先を持ち、目尻部分から剥がすことにより、取り外すことができる。 Next, as shown in FIG. 2, the skin at the edge of the hairline, which has a bind-off (a state in which the line of sight is directed downward) and the false eyelash 30 is positioned along the user's eyelid 20 and is located about 1 mm above the eyelid. Affix to 21 (dotted line part) and press lightly. Finally, the user's heel 20 and the attachment heel 30 are pinched and arranged so that they can be seen integrally. When removing the tackle 30, as shown in FIG. 3, it is possible to remove the tackle 30 by holding the hair end of the tackle 30 and peeling it off the corner of the eye.
一方、ポイント付けタイプの付け睫４０の場合、使用者は予めビューラーで睫２０をカールさせておく。次いで、ピンセット５０を用い、ホルダーに収納されている付け睫４０の根元部４１をつまんで、付け睫４０をホルダーからとり外す。続いて、図４に示すように、根元部４１に付け睫用粘着剤１を塗布する。 On the other hand, in the case of the point attachment type attachment rod 40, the user curls the rod 20 in advance with a viewer. Next, using the tweezers 50, the base portion 41 of the attachment rod 40 accommodated in the holder is pinched to remove the attachment rod 40 from the holder. Subsequently, as shown in FIG. 4, the adhesive 1 for the tack is applied to the root portion 41.
ポイント付けタイプの場合も、全体付けタイプと同様に付着させた粘着剤１が乳白色から透明になった後、貼り付けを行う。このとき、図５に示すように伏せ目にし、睫２０より１ｍｍほど上方の睫生え際の皮膚２１（点線部分）のうち、使用者の好みの位置に、睫に沿うようにして付け睫４０を貼り付ける。そして、上から軽く押さえて、使用者の睫と一体的に見えるようにする。 Also in the case of the point attachment type, the adhesive 1 attached is changed from milky white to transparent in the same manner as the whole attachment type, and then pasted. At this time, as shown in FIG. 5, the attachment fold 40 is placed along the heel at a position desired by the user in the skin 21 (dotted line portion) on the heel about 1 mm above the heel 20 as shown in FIG. paste. Then, lightly press it from above so that it can be seen integrally with the user's heel.
ポイント付けタイプの付け睫４０の場合、使用者は所望する美観を示すようになるまで上記貼り付け作業を繰り返す。言い換えれば、睫が少ない部分や、睫が抜けてしまった部分のみを補うような付け睫の使用方法も可能となる。なお、外すときは、付け睫４０の毛先部分をつまんで力を加えることにより、取り外すことができる。 In the case of the point attachment type attachment rod 40, the user repeats the above-described pasting operation until a desired aesthetic appearance is exhibited. In other words, it is possible to use a spear that compensates only for a portion with few wrinkles or a portion where wrinkles are missing. In addition, when removing, it can remove by pinching the hair tip part of the tack 40 and applying force.
以下実施例により本発明の粘着剤をより詳しく説明する。但し、この実施例により本発明が限定されることはない。 Hereinafter, the pressure-sensitive adhesive of the present invention will be described in more detail with reference to examples. However, the present invention is not limited by this embodiment.
すなわち、本実施例の付け睫用粘着剤は、水と、メタクリル酸メチル、アクリル酸エチル、アクリル酸２−エチルヘキシル、メタクリル酸の各モノマーを共重合したアクリル系共重合体とを含む。本実施例においては、アクリル酸２−エチルヘキシルと、メタクリル酸メチルと、アクリル酸エチルと、メタクリル酸の共重合体における割合を表１に示す値とした。本実施例においては、水中で、各構成モノマーを、ラテムルＳ１８０Ａ（花王、商品名）を乳化剤として添加し、過硫酸アンモニウム０．５質量部を重合開始剤として用いた乳化重合により、共重合させて製造した。 That is, the adhesive for tack with the present example includes water and an acrylic copolymer obtained by copolymerizing monomers of methyl methacrylate, ethyl acrylate, 2-ethylhexyl acrylate, and methacrylic acid. In the present Example, the ratio in the copolymer of 2-ethylhexyl acrylate, methyl methacrylate, ethyl acrylate, and methacrylic acid was a value shown in Table 1. In this embodiment, each constituent monomer is copolymerized in water by emulsion polymerization using Latemul S180A (Kao, trade name) as an emulsifier and 0.5 parts by mass of ammonium persulfate as a polymerization initiator. Manufactured.
これら実施例の粘着剤と全体付けタイプの付け睫を用いて、付け睫の粘着性とその持続性、耐水性、取り外しが容易であるかに関する試験を行った。また、比較例として天然ゴムラテックスを主成分とする接着剤、およびメタクリル酸メチル、アクリル酸エチル、メタクリル酸のうちいずれか１つを含まないで共重合体を構成した粘着剤を用いた。 Using the pressure-sensitive adhesives of these examples and the overall attachment type tacks, tests were conducted on the tackiness and durability of the tackle, whether it was water resistant and easy to remove. Moreover, the adhesive which comprised the natural rubber latex as a main component and the adhesive which comprised the copolymer without including any one of methyl methacrylate, ethyl acrylate, and methacrylic acid was used as a comparative example.
試験の結果、実施例に係る粘着剤はいずれも、比較例の粘着剤と比して、高い粘着力とその持続性、および耐水性を有していた。また、付け睫の取り外しも、比較例の粘着剤を用いた場合と比較していずれも容易であった。 As a result of the test, all of the pressure-sensitive adhesives according to the examples had higher adhesive strength, its durability, and water resistance than the pressure-sensitive adhesives of the comparative examples. In addition, the removal of the tack was easy as compared with the case where the adhesive of the comparative example was used.
特に、共重合体の構成モノマーの割合を、メタクリル酸メチル４〜８質量部、アクリル酸エチル１〜４．５質量部、メタクリル酸０．５〜１．５質量部の範囲内とした実施例では、付け睫用粘着剤としてより一層好適な保持力とタックとを示した。 In particular, the proportion of the constituent monomer of the copolymer was within the range of 4 to 8 parts by weight of methyl methacrylate, 1 to 4.5 parts by weight of ethyl acrylate, and 0.5 to 1.5 parts by weight of methacrylic acid. Then, the holding power and tack which are more suitable as a tacky adhesive are shown.
Claims (1)
水と、
アクリル酸２−エチルヘキシルと、メタクリル酸メチルと、アクリル酸エチルと、メタクリル酸とからなるアクリル系共重合体とを含有してなり、
前記アクリル系共重合体は、共重合体１００質量部当たり、メタクリル酸メチル４〜８質量部、アクリル酸エチル１〜４．５質量部、メタクリル酸０．５〜１．５質量部であることを特徴とする付け睫用粘着剤。
An adhesive for attaching wrinkles to the skin,
water and,
And 2-ethylhexyl acrylate, and methyl methacrylate, and ethyl acrylate, Ri name contains an acrylic copolymer composed of methacrylic acid,
The acrylic copolymer is 4 to 8 parts by weight of methyl methacrylate, 1 to 4.5 parts by weight of ethyl acrylate, and 0.5 to 1.5 parts by weight of methacrylic acid per 100 parts by weight of the copolymer. Adhesive for spears characterized by.
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| JP6164911B2 (en) * | 2012-07-18 | 2017-07-19 | 三菱鉛筆株式会社 | Method for applying decoration or makeup with high brightness or high concealment to nails and skin, and decoration set or makeup set for applying the decoration or makeup |
| JP6363372B2 (en) * | 2013-03-29 | 2018-07-25 | 株式会社コーセー | Adhesive adhesive |
| JP6190173B2 (en) * | 2013-06-14 | 2017-08-30 | 株式会社コーセー | Adhesive adhesive |
| WO2015154804A1 (en) * | 2014-04-09 | 2015-10-15 | Lvmh Recherche | Eye-makeup cosmetic composition |
| KR102571028B1 (en) | 2016-12-20 | 2023-08-28 | 래쉬파이 인코포레이티드 | Applicators and cases for artificial lash extensions |
| JP6422091B1 (en) * | 2018-05-25 | 2018-11-14 | 桂 嶋田 | Eyelash extension adhesive |
| US11832669B2 (en) | 2019-01-14 | 2023-12-05 | Lashify, Inc. | Lash extensions and methods of manufacture and use thereof |
| CN111557515A (en) | 2019-10-03 | 2020-08-21 | 莱施菲公司 | Artificial eyelash device, eyelash extension method, and eyelash extension device |
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