JP2007054164A - Puff for makeup - Google Patents
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- JP2007054164A JP2007054164A JP2005240997A JP2005240997A JP2007054164A JP 2007054164 A JP2007054164 A JP 2007054164A JP 2005240997 A JP2005240997 A JP 2005240997A JP 2005240997 A JP2005240997 A JP 2005240997A JP 2007054164 A JP2007054164 A JP 2007054164A
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本発明は、リキッドファンデーションに適した化粧用パフに関する。 The present invention relates to a cosmetic puff suitable for a liquid foundation.
従来、化粧用パフとして、ポリウレタンフォームからなるものが多用されている。また、化粧用パフのうちリキッドファンデーション用のパフは、リキッドファンデーションがパフ内に染みこんでしまうと効率よく化粧を行うことができないため、リキッドファンデーションが染みこまないように撥水性を付与する必要がある。 Conventionally, cosmetic puffs made of polyurethane foam are frequently used. In addition, liquid puffs for cosmetic foundations must be given water repellency so that the liquid foundation does not penetrate because the liquid foundation cannot soak efficiently if the liquid foundation penetrates into the puff. is there.
撥水性を付与する方法として、シリコーン系の撥水剤を混合する方法や、撥水性を有するポリオールを用いる方法がある。 As a method for imparting water repellency, there are a method of mixing a silicone water repellent and a method of using a polyol having water repellency.
しかし、シリコーン系の撥水剤を混合する方法においては、ニーダーにて混練後、Ｔダイ押出によりブロックを成形し、その後ブロックを減圧下に置いてブロック内の溶媒を気化させることにより多孔質化する必要があるため、製造に工数がかかる問題がある。 However, in the method of mixing the silicone-based water repellent, after kneading with a kneader, the block is formed by T-die extrusion, and then the block is placed under reduced pressure to evaporate the solvent in the block to make it porous. Therefore, there is a problem that man-hours are required for manufacturing.
また、撥水性を有するポリオールを用いる方法においては、そのポリオール専用に特殊な合成が必要となるため、原料コストが上昇する問題がある。 In addition, in the method using a polyol having water repellency, there is a problem that the raw material cost is increased because special synthesis is required exclusively for the polyol.
本発明は前記の点に鑑みなされたものであって、リキッドファンデーションに好適な撥水性を備え、しかも製造が容易で安価な化粧用パフの提供を目的とする。 The present invention has been made in view of the above points, and an object thereof is to provide a cosmetic puff having water repellency suitable for a liquid foundation, easy to manufacture and inexpensive.
本発明は、ポリオールとイソシアネートを触媒及び発泡剤の存在下反応させて得られるポリウレタンフォームからなる化粧用パフにおいて、前記ポリオールを植物油からなるポリオール、前記イソシアネートを４，４’−ジフェニルメタンジイソシアネート及び２，４’−ジフェニルメタンジイソシアネートからなる群より選ばれるジイソシアネートとすると共に、前記触媒として金属触媒を含み、前記ポリウレタンフォームの接触角が１１０〜１２５度であることを特徴とする。さらに、本発明においては、架橋剤を含まないのが好ましい。 The present invention relates to a cosmetic puff comprising a polyurethane foam obtained by reacting a polyol and an isocyanate in the presence of a catalyst and a foaming agent, wherein the polyol is a polyol comprising a vegetable oil, the isocyanate is 4,4′-diphenylmethane diisocyanate and 2, A diisocyanate selected from the group consisting of 4'-diphenylmethane diisocyanate, a metal catalyst as the catalyst, and a contact angle of the polyurethane foam of 110 to 125 degrees. Furthermore, in the present invention, it is preferable not to include a crosslinking agent.
本発明の化粧用パフによれば、ポリオールを植物油からなるポリオール、イソシアネートを４，４’−ジフェニルメタンジイソシアネート及び２，４’−ジフェニルメタンジイソシアネートからなる群より選ばれるジイソシアネートとし、かつ触媒として金属触媒を含み、ポリウレタンフォームの接触角を１１０〜１２５度としたことにより、撥水性に優れる化粧用パフを得ることができる。なお、前記接触角は小さすぎるとパフの撥水性が低下し、一方、大きすぎるとリキッドファンデーションがパフ表面を流れ易くなってパフ表面に保持され難くなり、パフの化粧性が劣るようになる。 According to the cosmetic puff of the present invention, the polyol is a polyol composed of vegetable oil, the isocyanate is a diisocyanate selected from the group consisting of 4,4′-diphenylmethane diisocyanate and 2,4′-diphenylmethane diisocyanate, and a metal catalyst is included as a catalyst. By setting the contact angle of the polyurethane foam to 110 to 125 degrees, a cosmetic puff having excellent water repellency can be obtained. If the contact angle is too small, the water repellency of the puff is lowered. On the other hand, if the contact angle is too large, the liquid foundation tends to flow on the puff surface and is difficult to be held on the puff surface, resulting in poor puff makeup.
また、本発明の化粧用パフによれば、化粧用パフの製造に際して面倒な工程が不用で、しかもポリオールのために専用の特殊な合成を行う必要がなく、製造が容易で安価な化粧用パフを得ることができる。 Further, according to the cosmetic puff of the present invention, a troublesome process is not required in the production of the cosmetic puff, and it is not necessary to carry out a special synthesis for the polyol, and the cosmetic puff is easy to manufacture and inexpensive. Can be obtained.
以下本発明の実施形態を詳細に説明する。本発明の化粧用パフは、ポリオールとイソシアネートを触媒及び発泡剤の存在下反応させて得られるポリウレタンフォームからなる。 Hereinafter, embodiments of the present invention will be described in detail. The cosmetic puff of the present invention comprises a polyurethane foam obtained by reacting a polyol and an isocyanate in the presence of a catalyst and a foaming agent.
ポリオールは、植物油からなるポリオールが用いられる。前記植物油からなるポリオールとして、大豆油、ひまし油、菜種油、綿実油などをベースとしたものを挙げることができる。官能基数は２〜４が好ましい。 As the polyol, a polyol made of vegetable oil is used. Examples of the polyol composed of the vegetable oil include those based on soybean oil, castor oil, rapeseed oil, cottonseed oil and the like. The number of functional groups is preferably 2-4.
イソシアネートとしては、４，４’−ジフェニルメタンジイソシアネート及び２，４’−ジフェニルメタンジイソシアネートからなる群より選ばれるジイソシアネートが用いられる。前記４，４’−ジフェニルメタンジイソシアネート及び２，４’−ジフェニルメタンジイソシアネートからなる群より選ばれるジイソシアネートは、プレポリマーとされたものでもよい。 As the isocyanate, a diisocyanate selected from the group consisting of 4,4'-diphenylmethane diisocyanate and 2,4'-diphenylmethane diisocyanate is used. The diisocyanate selected from the group consisting of 4,4'-diphenylmethane diisocyanate and 2,4'-diphenylmethane diisocyanate may be a prepolymer.
触媒としては、軟質ポリウレタンフォーム用として公知の金属触媒を用いることができる。例えば、スタナスオクトエートやジブチルチンジラウレート等の錫触媒やフェニル水銀プロピオン酸塩あるいはオクテン酸鉛等の有機金属触媒を挙げることができる。なお、トリエチルアミン、トリエチレンジアミン、ジエタノールアミン、ジメチルアミノモルフォリン、Ｎ−エチルモルホリン、テトラメチルグアニジン等のアミン触媒を金属触媒と共に併用することもできる。触媒の一般的な量は、ポリオール１００重量部に対して０．０１〜２．０重量部程度である。 As the catalyst, a known metal catalyst for flexible polyurethane foam can be used. Examples thereof include tin catalysts such as stannous octoate and dibutyltin dilaurate, and organometallic catalysts such as phenylmercury propionate and lead octenoate. An amine catalyst such as triethylamine, triethylenediamine, diethanolamine, dimethylaminomorpholine, N-ethylmorpholine, and tetramethylguanidine can be used in combination with the metal catalyst. The general amount of the catalyst is about 0.01 to 2.0 parts by weight with respect to 100 parts by weight of the polyol.
発泡剤としては水が用いられる。水の量は、ポリオール１００重量部に対して０．５〜１．２重量部程度が好適である。これに応じて、ポリウレタンフォームの密度は９５〜１４５ｋｇ／ｍ３とされる。また、セル数は８０〜１５０／２５ｍｍとされる。 Water is used as the foaming agent. The amount of water is preferably about 0.5 to 1.2 parts by weight with respect to 100 parts by weight of polyol. Accordingly, the density of the polyurethane foam is 95 to 145 kg / m 3 . The number of cells is 80 to 150/25 mm.
その他、整泡剤、顔料などの添加剤を適宜配合することができる。整泡剤は、軟質ポリウレタンフォームに用いられるものであればよく、シリコーン系整泡剤、含フッ素化合物系整泡剤および公知の界面活性剤を挙げることができる。顔料は、化粧用パフに求められる色に応じて用いられる。なお、本発明においては、架橋剤は用いないのが好ましい。 In addition, additives such as foam stabilizers and pigments can be appropriately blended. Any foam stabilizer may be used as long as it is used for flexible polyurethane foams, and examples thereof include silicone foam stabilizers, fluorine-containing compound foam stabilizers, and known surfactants. The pigment is used according to the color required for the cosmetic puff. In the present invention, it is preferable not to use a crosslinking agent.
本発明の化粧用パフは、ポリウレタンフォームを、製造後の打ち抜き等によって所要サイズ及び形状にすることにより得られる。また、前記ポリウレタンフォームの製造は、ポリオールとイソシアネートを触媒、発泡剤及び適宜の添加剤等の存在下、直接反応させるワンショット法、あるいはポリオールとイソシアネートを事前に反応させて末端にイソシアネート基を有するプレポリマーを得、このプレポリマーに触媒、発泡剤及び添加剤等の存在下、ポリオールを反応させるプレポリマー法の何れの方法によって行うことができる。また、本発明の化粧用パフを構成するポリウレタンフォームとしては、スラブポリウレタンフォームが好ましい。スラブポリウレタンフォームは、混合攪拌された原料（反応混合原料）をベルトコンベア上に吐出し、該ベルトコンベアが移動する間に、原料が常温、大気圧下で自然発泡し、硬化することで連続的に製造される。その後、乾燥炉内で硬化（キュア）した後、所定形状に裁断される。 The cosmetic puff of the present invention is obtained by making a polyurethane foam into a required size and shape by punching after production or the like. The polyurethane foam is produced by a one-shot method in which a polyol and an isocyanate are directly reacted in the presence of a catalyst, a foaming agent, an appropriate additive, or the like, or a polyol and an isocyanate are reacted in advance to have an isocyanate group at the terminal. A prepolymer can be obtained, and any prepolymer method can be used in which a polyol is reacted with the prepolymer in the presence of a catalyst, a foaming agent, an additive, and the like. Moreover, as a polyurethane foam which comprises the cosmetic puff of this invention, a slab polyurethane foam is preferable. The slab polyurethane foam is a continuous material by discharging the mixed and stirred raw material (reaction mixed raw material) onto a belt conveyor, and while the belt conveyor moves, the raw material naturally foams and cures at normal temperature and atmospheric pressure. To be manufactured. Then, after hardening (curing) in a drying furnace, it is cut into a predetermined shape.
以下この発明の実施例について、比較例とともに具体的に説明する。表１に示す各成分を同表中の配合割合にしたがって用い、前記スラブポリウレタンフォームの製造方法によって発泡させ、その後７０℃の高温槽に５時間放置後、さらに常温で２０時間放置することによりポリウレタンフォームを製造し、得られたポリウレタンフォームをパフ形状に打ち抜いて実施例及び比較例の化粧用パフを得た。なお、比較例２については、市販のパフ用ポリウレタンフォーム（品番：モルトブレンＳＮＳ、株式会社イノアックコーポレーション製）を用いた。 Examples of the present invention will be specifically described below together with comparative examples. Each component shown in Table 1 was used in accordance with the blending ratio in the same table, foamed by the method for producing slab polyurethane foam, then left in a high temperature bath at 70 ° C. for 5 hours, and then allowed to stand at room temperature for 20 hours. A foam was produced, and the resulting polyurethane foam was punched into a puff shape to obtain cosmetic puffs of Examples and Comparative Examples. In addition, about the comparative example 2, the commercially available polyurethane foam for puffs (Product number: Maltbrene SNS, the product made from Inoac Corporation) was used.
表１におけるポリエーテルポリオールは品番：ＰＰ２０００、官能基数ｆ＝２、ＯＨ価＝５６、三洋化成工業株式会社製、ひまし油ポリオールは品番：Ｕｒｉｃ Ｈ５６、官能基数ｆ＝２、ＯＨ価＝１１０、伊藤製油株式会社製、大豆油ポリオールは品番：Ｓｏｙｏｌ Ｒ２−０５２、官能基数ｆ＝２、ＯＨ価＝５２、Ｕｒｅｔｈａｎｅ Ｓｏｙ Ｓｙｓｔｅｍ Ｃｏｍｐａｎｙ製、アミン触媒１はジメチルエタノールアミン、アミン触媒２は品番：ＬＶ３３、トリエチレンジアミン３３％とプロピレングリコール６７％の混合溶液、中京油脂株式会社製、金属触媒は品番ＭＲＨ１１０、錫触媒（スタナスオクトエート）、城北城北化学工業株式会社製、整泡剤は品番：Ｌ５８４、シリコーン整泡剤、日本ユニカー株式会社製、ジイソシアネートは品番：ＭＴＬ、４，４’−ジフェニルメタンジイソシアネートのプレポリマー、ＮＣＯ％＝２９％、日本ポリウレタン工業株式会社製である。 Polyether polyol in Table 1 is product number: PP2000, functional group number f = 2, OH number = 56, manufactured by Sanyo Chemical Industries, castor oil polyol is product number: Uric H56, functional group number f = 2, OH number = 110, Ito Oil Soybean polyol manufactured by Co., Ltd. is product number: Soyol R2-052, functional group number f = 2, OH number = 52, manufactured by Urethan Soy System Company, amine catalyst 1 is dimethylethanolamine, amine catalyst 2 is product number: LV33, triethylenediamine Mixed solution of 33% and propylene glycol 67%, manufactured by Chukyo Yushi Co., Ltd., metal catalyst is part number MRH110, tin catalyst (stannas octoate), manufactured by Johokujokukita Chemical Co., Ltd., foam stabilizer is part number: L584, silicone preparation Foam, made by Nippon Unicar Co., Ltd., diisocyanate No .: MTL, 4,4'-diphenylmethane diisocyanate prepolymer, NCO% = 29%, manufactured by Nippon Polyurethane Industry Co., Ltd.
前記比較例及び実施例の化粧用パフを構成するポリウレタンフォームに対して、密度、硬度、接触角を測定した。密度については、ＪＩＳ Ｋ ６４００に準じて測定し、硬度についてはアスカーＦタイプ硬度計により測定し、接触角については、前記ポリウレタンフォームから表面を除いて１０×２０×５０ｍｍに裁断したサンプルを得、そのサンプルの表面に垂らした水とサンプル表面の接触角を協和界面科学製、ＣＡ−Ｄ型接触角測定器により測定した。なお、接触角の測定値が大きいほど、撥水性が良好である。各測定結果を表１の下部に示す。 Density, hardness, and contact angle were measured for the polyurethane foams constituting the cosmetic puffs of the comparative examples and examples. The density was measured according to JIS K 6400, the hardness was measured with an Asker F type hardness meter, and the contact angle was obtained by cutting the polyurethane foam to 10 × 20 × 50 mm excluding the surface, The contact angle between the water hung on the surface of the sample and the sample surface was measured by a CA-D type contact angle measuring device manufactured by Kyowa Interface Science. In addition, water repellency is so favorable that the measured value of a contact angle is large. Each measurement result is shown in the lower part of Table 1.
測定結果から明らかなように、実施例のものは接触角が１１３〜１２０度であって、比較例のものより接触角が大きく、リキッドファンデーション用の化粧用パフとして好適な撥水性を有することがわかる。また、前記比較例及び実施例の化粧用パフについて、実際にリキッドファンデーションを表面に垂らして撥水性を確認した。その結果、実施例の化粧用パフにおいてはリキッドファンデーションがパフ内に染みこみ難く、パフ表面に保持されるため、化粧性が良好であった。それに対し、比較例の化粧用パフにおいては、リキッドファンデーションが速やかにパフ内に染みこんでしまい、化粧性に劣っていた。
As apparent from the measurement results, the contact angle of the example is 113 to 120 degrees, the contact angle is larger than that of the comparative example, and it has water repellency suitable as a cosmetic puff for a liquid foundation. Recognize. Moreover, the liquid foundation was actually hung on the surface about the cosmetic puff of the said comparative example and the Example, and water repellency was confirmed. As a result, in the cosmetic puffs of the examples, the liquid foundation was difficult to soak into the puffs and was held on the puff surface, so the cosmetic properties were good. On the other hand, in the cosmetic puff of the comparative example, the liquid foundation quickly soaked into the puff and was inferior in cosmetic properties.
Claims (2)
前記ポリオールを植物油からなるポリオール、前記イソシアネートを４，４’−ジフェニルメタンジイソシアネート及び２，４’−ジフェニルメタンジイソシアネートからなる群より選ばれるジイソシアネートとすると共に、前記触媒として金属触媒を含み、
前記ポリウレタンフォームの接触角が１１０〜１２５度であることを特徴とする化粧用パフ。 In a cosmetic puff comprising a polyurethane foam obtained by reacting a polyol and an isocyanate in the presence of a catalyst and a foaming agent,
The polyol is a polyol composed of vegetable oil, the isocyanate is a diisocyanate selected from the group consisting of 4,4′-diphenylmethane diisocyanate and 2,4′-diphenylmethane diisocyanate, and includes a metal catalyst as the catalyst,
A cosmetic puff wherein the polyurethane foam has a contact angle of 110 to 125 degrees.
The cosmetic puff according to claim 1, wherein the polyurethane foam does not contain a crosslinking agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005240997A JP4772423B2 (en) | 2005-08-23 | 2005-08-23 | Cosmetic puff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005240997A JP4772423B2 (en) | 2005-08-23 | 2005-08-23 | Cosmetic puff |
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| Publication Number | Publication Date |
|---|---|
| JP2007054164A true JP2007054164A (en) | 2007-03-08 |
| JP4772423B2 JP4772423B2 (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005240997A Active JP4772423B2 (en) | 2005-08-23 | 2005-08-23 | Cosmetic puff |
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| Country | Link |
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| JP (1) | JP4772423B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220008270A (en) | 2019-05-14 | 2022-01-20 | 닛폰 하츠죠 가부시키가이샤 | Continuously Breathable Sponge, and Cosmetic Puff |
| WO2023067654A1 (en) * | 2021-10-18 | 2023-04-27 | 株式会社イノアックコーポレーション | Polyurethane foam |
-
2005
- 2005-08-23 JP JP2005240997A patent/JP4772423B2/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220008270A (en) | 2019-05-14 | 2022-01-20 | 닛폰 하츠죠 가부시키가이샤 | Continuously Breathable Sponge, and Cosmetic Puff |
| WO2023067654A1 (en) * | 2021-10-18 | 2023-04-27 | 株式会社イノアックコーポレーション | Polyurethane foam |
| JP7439319B2 (en) | 2021-10-18 | 2024-02-27 | 株式会社イノアックコーポレーション | polyurethane foam |
| JP7439320B2 (en) | 2021-10-18 | 2024-02-27 | 株式会社イノアックコーポレーション | polyurethane foam |
| JP7439318B2 (en) | 2021-10-18 | 2024-02-27 | 株式会社イノアックコーポレーション | polyurethane foam |
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| Publication number | Publication date |
|---|---|
| JP4772423B2 (en) | 2011-09-14 |
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