JPH0733453B2 - Method for imparting hydrophilicity to latex sponge rubber by graft polymerization - Google Patents
Method for imparting hydrophilicity to latex sponge rubber by graft polymerizationInfo
- Publication number
- JPH0733453B2 JPH0733453B2 JP10283387A JP10283387A JPH0733453B2 JP H0733453 B2 JPH0733453 B2 JP H0733453B2 JP 10283387 A JP10283387 A JP 10283387A JP 10283387 A JP10283387 A JP 10283387A JP H0733453 B2 JPH0733453 B2 JP H0733453B2
- Authority
- JP
- Japan
- Prior art keywords
- sponge rubber
- latex sponge
- graft polymerization
- aqueous solution
- same
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920001971 elastomer Polymers 0.000 title claims description 27
- 239000004816 latex Substances 0.000 title claims description 26
- 229920000126 latex Polymers 0.000 title claims description 26
- 238000010559 graft polymerization reaction Methods 0.000 title claims description 9
- 238000000034 method Methods 0.000 title claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 12
- 239000002202 Polyethylene glycol Substances 0.000 claims description 8
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 8
- 229920001223 polyethylene glycol Polymers 0.000 claims description 8
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 235000019394 potassium persulphate Nutrition 0.000 claims 1
- 230000000844 anti-bacterial effect Effects 0.000 description 4
- 230000000843 anti-fungal effect Effects 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- 239000002537 cosmetic Substances 0.000 description 3
- 230000001588 bifunctional effect Effects 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 235000015115 caffè latte Nutrition 0.000 description 1
- ROMMGAXYKUBOCB-UHFFFAOYSA-L calcium;sulfonatooxy sulfate Chemical compound [Ca+2].[O-]S(=O)(=O)OOS([O-])(=O)=O ROMMGAXYKUBOCB-UHFFFAOYSA-L 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Landscapes
- Graft Or Block Polymers (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ 本発明は親水性と防菌，防カビ性をもつラテツクススポ
ンジゴム例えば化粧用パフの親水性付与方法に関するも
のである。TECHNICAL FIELD The present invention relates to a method for imparting hydrophilicity to a latex sponge rubber having hydrophilicity and antibacterial and antifungal properties, for example, a cosmetic puff.
［従来の技術］ 従来、親水性，親油性，防菌，防カビ性をもつ化粧用ラ
テツクススポンジゴムとして、カルボキシル変性のNBR
をブレンドしたラテツクススポンジゴムのカチオン系活
性剤を吸着させ、親水性と同時に防菌，防カビ性を付与
したものがある。[Prior Art] Conventionally, carboxyl-modified NBR has been used as a cosmetic latex sponge rubber having hydrophilicity, lipophilicity, antibacterial and antifungal properties.
There is a latex sponge rubber blended with a cationic activator that has been adsorbed to impart hydrophilicity as well as antibacterial and antifungal properties.
［発明が解決しようとする問題点］ 上記従来のラテツクススポンジゴムは、親水性の点では
すぐれており、その耐久性も高いが、親水性を付与する
処理を施したため、使用しているうちに次第に黄変化，
硬化するという欠点がある。[Problems to be Solved by the Invention] The above-mentioned conventional latex sponge rubber is excellent in hydrophilicity and has high durability, but since it is subjected to a treatment for imparting hydrophilicity, Gradually changes to yellow,
It has the drawback of hardening.
本発明はかかる問題点を解決し、親水性，防菌，防カビ
性をもつ化粧用ラテツクススポンジゴムを提供しようと
するものであり。The present invention is intended to solve such problems and provide a cosmetic latex sponge rubber having hydrophilicity, antibacterial properties, and antifungal properties.
［問題点を解決するための手段］ 本発明に係るグラフト重合によるラテツクススポンジゴ
ム親水性付与方法は、 ラテツクススポンジゴムをペリオキシ二硫酸カルシウム
の0.2〜５％水溶液に浸漬させ、あるいはその同じラテ
ツクススポンジゴムに同じ水溶液を含浸させた上、加熱
し、ポリマー活性種を生成させる工程、 前記工程で処理されたラテツクススポンジゴムをポリエ
チレングリコールジメタクリレート0.2〜５％水溶液に
浸漬させ、あるいはその同じラテツクススポンジゴムに
同じ水溶液を含浸させた上、加熱し、グラフト重合を起
こさせる工程、 を含む工程よりなるものである。[Means for Solving Problems] A method for imparting hydrophilicity to a latex sponge rubber by graft polymerization according to the present invention is to immerse the latex sponge rubber in a 0.2 to 5% aqueous solution of calcium peroxydisulfate, or the same latte. A step of impregnating the sponge sponge rubber with the same aqueous solution and then heating it to generate a polymer active species. The latex sponge rubber treated in the above step is dipped in a 0.2 to 5% polyethylene glycol dimethacrylate aqueous solution, or the same. The latex sponge rubber is impregnated with the same aqueous solution and then heated to cause graft polymerization.
［実施例］ 本発明の実施例を具体的に説明する。[Examples] Examples of the present invention will be specifically described.
＜第１工程＞ 化粧に使うパフ用のラテツクススポンジゴムを無色で水
溶性のペルオキソ二硫酸カリウム（KPS）の0.2〜５％水
溶液に浸漬させるか、あるいはその同じラテツクススポ
ンジゴムに同じ水溶液を含浸させる。そしてこのペルオ
キソ二硫酸カリウムを含むラテツクススポンジゴムを高
周波加熱器で約１分間加熱し、ポリマー活性種を生成さ
せる。これをモデル式で示せば次の通りになる。<First step> The latex sponge rubber for puff used for makeup is immersed in a colorless and water-soluble 0.2-5% aqueous solution of potassium peroxodisulfate (KPS), or the same aqueous solution is added to the same latex sponge rubber. Impregnate. Then, the latex sponge rubber containing this potassium peroxodisulfate is heated by a high frequency heater for about 1 minute to generate polymer active species. This can be shown as a model formula as follows.
すなわちペルオキソ二硫酸カリウムはラジカル開始剤と
して作用する。 That is, potassium peroxodisulfate acts as a radical initiator.
＜第２工程＞ 第１工程で処理されたラテツクススポンジゴムを２官能
性オリゴマであるポリエチレングリコールジメタクリレ
ートの0.2〜５％水溶液に浸漬させるか、あるいはその
同じラテツクススポンジゴムに同じ水溶液を含浸させ
る。そしてこのポリエチレングリコールジメタクリレー
トを含むラテツクススポンジゴムを高周波加熱器で１分
間あるいは60〜80℃で１〜４時間加熱し、ラテツクスス
ポンジゴムにポリエチレングリコールジメタクリレート
をグラフト重合させる。これをモデル式で示せば次の通
りである。<Second Step> The latex sponge rubber treated in the first step is dipped in a 0.2-5% aqueous solution of polyethylene glycol dimethacrylate, which is a bifunctional oligomer, or the same latex sponge rubber is impregnated with the same aqueous solution. Let Then, the latex sponge rubber containing this polyethylene glycol dimethacrylate is heated with a high-frequency heater for 1 minute or at 60 to 80 ° C. for 1 to 4 hours to graft-polymerize polyethylene glycol dimethacrylate on the latex sponge rubber. This can be shown as a model formula as follows.
ただし、M;モノマーあるいはオリゴマ（ポリエチレング
リコールジメタクリレート） すなわち本発明においては、ラテツクススポンジゴムに
耐久性があり、硬化しない親水性を付与するための処理
に当つて、 無色で水溶性のラジカル開始剤KPSを使用する。 However, in the present invention, M is a monomer or an oligomer (polyethylene glycol dimethacrylate), that is, in the present invention, the latex sponge rubber is treated with a colorless and water-soluble radical initiator in the treatment for imparting hydrophilicity that does not cure and is durable. Use the agent KPS.
グラフト重合を起こさせるために、光，放射線を使用す
るかわりに、容易に利用できる熱（例えば高周波加熱器
による加熱）を使用する。Instead of using light or radiation to cause the graft polymerization, heat that is easily available (for example, heating by a high frequency heater) is used.
しかも、このグラフト重合を起こさせるために、ラテツ
クススポンジゴムを構成する幹ポリマー，開始剤である
ペルオキソ二硫酸カリウム（KPS），枝状に重合させる
ポリエチレングリコールジメタクリレートを同時に反応
させる同時グラフト重合を採用せず、はじめに開始剤に
よりポリマー活性種（ポリマーラジカル）を生成させ
る。In addition, in order to cause this graft polymerization, simultaneous graft polymerization in which the trunk polymer that constitutes the latex sponge rubber, potassium peroxodisulfate (KPS) that is the initiator, and polyethylene glycol dimethacrylate that is branched are simultaneously reacted Instead of using it, first, a polymer active species (polymer radical) is generated by an initiator.
ついで、２官能性オリゴマのポリエチレングリコールジ
メタクリレートを加え、加熱処理を施すことによって、
グラフト重合反応を生起させ、第１図に示すようにラテ
ツクススポンジゴムを構成する幹ポリマー１の表層部で
は、幹ポリマー１と化学結合し、外へ向かつて伸びる枝
ポリマー２、内部では重合し、幹ポリマー１や重合部分
が互いに架橋し合い、からみ合うホモポリマー３を生成
させる。Then, by adding polyethylene glycol dimethacrylate, which is a bifunctional oligomer, and applying heat treatment,
As shown in FIG. 1, a graft polymerization reaction is caused to occur, and in the surface layer portion of the trunk polymer 1 constituting the latex sponge rubber, a chemical bond is formed with the trunk polymer 1, and a branch polymer 2 extending outward is polymerized. The trunk polymer 1 and the polymerized portion are cross-linked with each other to form a entangled homopolymer 3.
［発明の効果］ 本発明によつて、従来品では、使用するうちに次第に親
水性が失われ、黄変し、硬化するという問題点が完全に
解消された。[Advantages of the Invention] According to the present invention, in the conventional product, the problem that the hydrophilic property gradually lost during use, yellowing, and curing, was completely solved.
図面は本発明の方法によつて処理されたラテツクススポ
ンジゴムの微視的構造の説明図である。 １……幹ポリマー ２……枝ポリマー ３……ホモポリマーThe drawings are illustrations of the microscopic structure of the latex sponge rubber treated by the method of the present invention. 1 ... Stem polymer 2 ... Branch polymer 3 ... Homopolymer
Claims (1)
酸カリウムの0.2〜５％水溶液に浸漬させ、あるいはそ
の同じラテツクススポンジゴムに同じ水溶液を含浸させ
た上、加熱し、ポリマー活性種を生成させる工程、 前記工程で処理されたラテツクススポンジゴムをポリエ
チレングリコールジメタクリレートの0.2〜５％水溶液
に浸漬させ、あるいはその同じラテツクススポンジゴム
に同じ水溶液を含浸させた上、加熱し、グラフト重合を
起こさせる工程、 を含む工程よりなるグラフト重合によるラテツクススポ
ンジゴムの親水性付与方法。1. A step of immersing a latex sponge rubber in a 0.2 to 5% aqueous solution of potassium peroxydisulfate, or impregnating the same latex sponge rubber with the same aqueous solution, and then heating to generate a polymer active species. The latex sponge rubber treated in the above step is dipped in a 0.2 to 5% aqueous solution of polyethylene glycol dimethacrylate, or the same latex sponge rubber is impregnated with the same aqueous solution and heated to cause graft polymerization. A method for imparting hydrophilicity to a latex sponge rubber by graft polymerization, which comprises the steps of:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10283387A JPH0733453B2 (en) | 1987-04-24 | 1987-04-24 | Method for imparting hydrophilicity to latex sponge rubber by graft polymerization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10283387A JPH0733453B2 (en) | 1987-04-24 | 1987-04-24 | Method for imparting hydrophilicity to latex sponge rubber by graft polymerization |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63268751A JPS63268751A (en) | 1988-11-07 |
| JPH0733453B2 true JPH0733453B2 (en) | 1995-04-12 |
Family
ID=14338006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10283387A Expired - Fee Related JPH0733453B2 (en) | 1987-04-24 | 1987-04-24 | Method for imparting hydrophilicity to latex sponge rubber by graft polymerization |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0733453B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5176138B2 (en) * | 2008-04-08 | 2013-04-03 | 西川ゴム工業株式会社 | Sponge rubber |
| JP5646900B2 (en) * | 2010-07-26 | 2014-12-24 | 雪ヶ谷化学工業株式会社 | Sponge treated with hydrophilization and softening and method for producing the same |
| JP5806138B2 (en) * | 2012-01-28 | 2015-11-10 | 株式会社イノアック技術研究所 | Method for producing hydrophilic NBR or SBR latex sponge rubber |
| EP4053313A4 (en) | 2019-10-28 | 2024-11-20 | Kao Corporation | FIBER DEPOSITION PRODUCTION METHOD, MEMBRANE PRODUCTION METHOD, AND MEMBRANE ADHESION METHOD |
| WO2021085393A1 (en) | 2019-10-28 | 2021-05-06 | 花王株式会社 | Method for manufacturing fiber deposition body, method for manufacturing film, and method for attaching film |
-
1987
- 1987-04-24 JP JP10283387A patent/JPH0733453B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63268751A (en) | 1988-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |