JPH0680856A - Thermoplastic resin composition - Google Patents
Thermoplastic resin compositionInfo
- Publication number
- JPH0680856A JPH0680856A JP4260791A JP26079192A JPH0680856A JP H0680856 A JPH0680856 A JP H0680856A JP 4260791 A JP4260791 A JP 4260791A JP 26079192 A JP26079192 A JP 26079192A JP H0680856 A JPH0680856 A JP H0680856A
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- squalane
- resin composition
- vinyl aromatic
- block copolymer
- 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.)
- Pending
Links
Landscapes
- Cosmetics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、スクワランの徐放性に
優れた熱可塑性樹脂組成物に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermoplastic resin composition excellent in sustained release of squalane.
【０００２】更に詳しくは、水添ブロック共重合体に、
相溶性の良好な可塑剤であるスクワランを混合すること
により得られる柔軟な熱可塑性樹脂組成物に関するもの
である。More specifically, for hydrogenated block copolymers,
The present invention relates to a flexible thermoplastic resin composition obtained by mixing squalane, which is a plasticizer having good compatibility.
【０００３】[0003]
【従来の技術】従来化粧品の成分として用いられている
スクワランは液状化合物であり、肌との親和性に優れる
という特長を有するが、容器が倒れたりすると、こぼれ
て家具や調度品を汚すという欠点を有している。さらに
アルコール系は溶剤揮散による環境汚染の問題を引き起
こす。2. Description of the Related Art Squalane, which has been conventionally used as a component of cosmetics, is a liquid compound and has the characteristic of having a good affinity with the skin, but has the drawback of spilling and soiling furniture and furnishings when the container falls over. have. Further, the alcohol system causes a problem of environmental pollution due to volatilization of the solvent.
【０００４】[0004]
【発明が解決しようとする課題】本発明の目的は、前述
したスクワランの有する欠点を解消し、肌との親和性に
優れ、しかもスクワランの徐放性に優れた扱いやすい柔
軟な固体であるスクワラン含有熱可塑性樹脂組成物を得
ることにある。DISCLOSURE OF THE INVENTION The object of the present invention is to solve the above-mentioned drawbacks of squalane, to have a good affinity with the skin, and to be a solid solid which is easy to handle and which is excellent in the sustained release of squalane. It is to obtain a containing thermoplastic resin composition.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、上記課
題は、ビニル芳香族化合物を主体とする重合体ブロック
Ａを少なくとも１個以上と共役ジエン化合物を主体とす
る重合体ブロックＢを少なくとも１個以上有し、ビニル
芳香族化合物の含有量が５〜７５％の範囲にあるブロッ
ク共重合体を水素添加して得られる、共役ジエンに基づ
く脂肪族二重結合の水素添加率が３５％以上である水添
ブロック共重合体１００重量部、およびスクワラン５〜
５０００重量部を含有することを特徴とする熱可塑性樹
脂組成物により達成される。According to the present invention, at least one polymer block A mainly containing a vinyl aromatic compound and at least one polymer block B mainly containing a conjugated diene compound are provided. The hydrogenation rate of the aliphatic double bond based on the conjugated diene, which is obtained by hydrogenating a block copolymer having one or more and a vinyl aromatic compound content in the range of 5 to 75%, is 35%. 100 parts by weight of the above hydrogenated block copolymer and squalane 5
This is achieved by a thermoplastic resin composition containing 5,000 parts by weight.
【０００６】本発明の熱可塑性樹脂組成物は、スクワラ
ン成分の漏れによる家具や調度品の汚染がなく、スクワ
ランの徐放性に優れ、柔軟な固体であるために扱いやす
いだけでなく、スクワラン含有シートあるいは任意の形
をしたスクワラン含有成形体を、極めて簡便な製造方法
で提供することができる。本発明の熱可塑性樹脂組成物
から製造されるこのスクワラン含有成形体は、化粧品用
途に好適に用いられる。The thermoplastic resin composition of the present invention is free from contamination of furniture and furniture due to leakage of squalane components, excellent in sustained release of squalane, and easy to handle because it is a flexible solid, and also contains squalane. It is possible to provide a sheet or a squalane-containing molded product having an arbitrary shape by an extremely simple manufacturing method. The squalane-containing molded product produced from the thermoplastic resin composition of the present invention is suitably used for cosmetics.
【０００７】本発明で用いられる水素添加ブロック共重
合体のビニル芳香族化合物の含有量は、５〜７５重量％
の範囲である。ビニル芳香族化合物の含有量が５重量％
未満では、得られる熱可塑性樹脂組成物の強度、腰の強
さが保持しえない。The content of the vinyl aromatic compound in the hydrogenated block copolymer used in the present invention is 5 to 75% by weight.
Is the range. Content of vinyl aromatic compound is 5% by weight
If it is less than the above range, the strength and stiffness of the resulting thermoplastic resin composition cannot be maintained.
【０００８】ビニル芳香族化合物の含有量が７５重量％
を超えると、得られる熱可塑性樹脂組成物は柔軟性に欠
け、曲面などに貼りつけることが出来ないなどの問題を
生じやすい。好ましいビニル芳香族化合物の含有量は１
０〜６５重量％の範囲である。Content of vinyl aromatic compound is 75% by weight
If it exceeds, the resulting thermoplastic resin composition lacks flexibility and is likely to have a problem that it cannot be attached to a curved surface or the like. The preferred vinyl aromatic compound content is 1
It is in the range of 0 to 65% by weight.
【０００９】本発明で言うところのビニル芳香族炭化水
素としては、スチレン、α−メチルスチレン、ｏ，ｍ−
及びｐ−メチルスチレン、１，３−ジメチルスチレン、
ビニルナフタレン、ビニルアントラセン等が挙げられ、
一般的にはスチレンあるいはα−メチルスチレンが用い
られる。また、共役ジエンとしては、１，３−ブタジエ
ン、イソプレン、２，３−ジメチル−１，３−ブタジエ
ン、１，３−ペンタジエン、１，３−ヘキサジエン等で
あり、１，３−ブタジエン、イソプレンが好適に用いら
れる。The vinyl aromatic hydrocarbons referred to in the present invention include styrene, α-methylstyrene, o, m-
And p-methylstyrene, 1,3-dimethylstyrene,
Vinyl naphthalene, vinyl anthracene and the like,
Generally, styrene or α-methylstyrene is used. Further, the conjugated diene includes 1,3-butadiene, isoprene, 2,3-dimethyl-1,3-butadiene, 1,3-pentadiene, 1,3-hexadiene and the like, and 1,3-butadiene and isoprene are It is preferably used.
【００１０】本発明で用いられる水素添加ブロック共重
合体は、共役二重結合に基づく脂肪族二重結合の３５％
以上が水素添加されていることが必要である。The hydrogenated block copolymer used in the present invention contains 35% of aliphatic double bonds based on conjugated double bonds.
The above must be hydrogenated.
【００１１】水素添加率が３５％未満では、スクワラン
との溶融混合に際し熱劣化を生じ易く、また得られる熱
可塑性樹脂組成物の耐熱、耐候性も劣り好ましくない。If the hydrogenation rate is less than 35%, thermal deterioration is likely to occur during melt mixing with squalane, and the heat resistance and weather resistance of the resulting thermoplastic resin composition are poor, such being undesirable.
【００１２】水素添加反応は、白金、パラジウム等の貴
金属系、ラネーニッケル、有機ニッケル化合物、有機コ
バルト化合物あるいはこれらの化合物と他の有機金属化
合物との複合触媒により行なうことができる。The hydrogenation reaction can be carried out using a noble metal such as platinum or palladium, Raney nickel, an organonickel compound, an organocobalt compound, or a composite catalyst of these compounds and another organometallic compound.
【００１３】水素添加率は、ヨウ素価測定法により算出
することができる。The hydrogenation rate can be calculated by the iodine value measuring method.
【００１４】本発明で用いられるスクワランの使用量
は、５〜５０００重量部の範囲である。スクワランの使
用量が５重量部より少ないと、肌との親和性およびスク
ワランの徐放性が劣り、またその量が５０００重量部を
超えると、組成物の弾性、強度、スクワランの保存性な
どの物性が著しく低下する。The amount of squalane used in the present invention is in the range of 5 to 5000 parts by weight. If the amount of squalane used is less than 5 parts by weight, the affinity with the skin and the sustained release of squalane will be poor, and if the amount exceeds 5000 parts by weight, the elasticity, strength, storage stability of squalane, etc. Physical properties are significantly reduced.
【００１５】本発明の熱可塑性樹脂組成物を得るには、
撹拌装置付き耐圧容器、および２軸押出機、バンバリー
ミキサー、ニーダーなどの混練機が用いられる。To obtain the thermoplastic resin composition of the present invention,
A pressure vessel equipped with a stirring device, and a kneading machine such as a twin-screw extruder, a Banbury mixer, or a kneader are used.
【００１６】本発明の熱可塑性樹脂組成物から成形体を
得るには、射出成形機、プレス成形機などの通常の機器
が用いられる。In order to obtain a molded product from the thermoplastic resin composition of the present invention, ordinary equipment such as an injection molding machine or a press molding machine is used.
【００１７】本発明の熱可塑性樹脂組成物には、必要に
応じて香料、ビタミン、熱安定剤、酸化防止剤、光安定
剤、難燃剤、粘着付与剤、帯電防止剤、発泡剤等の添加
も可能である。To the thermoplastic resin composition of the present invention, if necessary, a fragrance, vitamin, heat stabilizer, antioxidant, light stabilizer, flame retardant, tackifier, antistatic agent, foaming agent, etc. may be added. Is also possible.
【００１８】[0018]
【実施例】本発明をより具体的かつ詳細に説明するため
に以下に本発明の実施例を示すが、本発明の内容はこれ
らの実施例に限定されるものではない。 実施例１ 撹拌装置付き耐圧容器中にシクロヘキサン３，０００
ｇ、充分に脱水したスチレン６０ｇ及びｓｅｃ−ブチル
リチウム０．０１ｍｏｌを加え、６０℃で６０分間重合
し、ついでイソプレン２８０ｇを加えて６０分間、次い
でスチレン６０ｇを加えて６０分間重合し、スチレン〜
イソプレン〜スチレン型ブロック共重合体を合成した。
得られたブロック共重合体は、スチレン含有量３０重量
％、数平均分子量４．１万であった。このポリマー溶液
のポリマー濃度が１０重量％となるようにシクロヘキサ
ンを加え、減圧脱気後水素置換し、更に０．５重量％／
ポリマーのパラジウム触媒を加え１０ｋｇ／ｃｍ2 の水
素雰囲気下で水添反応を行ない、水素添加率９７％の水
添ブロック共重合体を得た。EXAMPLES Examples of the present invention will be shown below in order to describe the present invention more specifically and in detail, but the contents of the present invention are not limited to these examples. Example 1 Cyclohexane 3,000 in a pressure vessel equipped with a stirrer
g, fully dehydrated styrene 60 g and sec-butyllithium 0.01 mol and polymerized at 60 ° C. for 60 minutes, then isoprene 280 g and polymerized for 60 minutes, and then styrene 60 g and polymerized for 60 minutes.
An isoprene-styrene type block copolymer was synthesized.
The obtained block copolymer had a styrene content of 30% by weight and a number average molecular weight of 41,000. Cyclohexane was added so that the polymer concentration of this polymer solution would be 10% by weight, degassed under reduced pressure and replaced with hydrogen, and further 0.5% by weight /
The polymer palladium catalyst was added and the hydrogenation reaction was carried out in a hydrogen atmosphere of 10 kg / cm 2 to obtain a hydrogenated block copolymer having a hydrogenation rate of 97%.
【００１９】この水添ブロック共重合体１００重量部
に、スクワランを２０００重量部加え、撹拌装置付き耐
圧容器中で溶融混練を行ないゼリー状コンパウンドを作
成した。得られたゼリー状コンパウンドを射出成形機に
てシート成形し、柔軟性に富む熱可塑性樹脂シートを得
た。2000 parts by weight of squalane was added to 100 parts by weight of this hydrogenated block copolymer, and melt kneading was carried out in a pressure vessel equipped with a stirrer to prepare a jelly-like compound. The obtained jelly-like compound was formed into a sheet by an injection molding machine to obtain a thermoplastic resin sheet having high flexibility.
【００２０】化粧品用途への効果を確認するため、この
熱可塑性樹脂シートを顔面に密着させ、３０分間この状
態を保ったところ、顔面は極めて滑らかとなり、優れた
パック性能を示した。さらにこのシートは同様の使い方
により約３０回使用してもその効果を保持していた。In order to confirm the effect on cosmetics, this thermoplastic resin sheet was brought into close contact with the face and kept in this state for 30 minutes, and the face became extremely smooth and exhibited excellent pack performance. Furthermore, this sheet retained its effect even after being used about 30 times by the same use.
【００２１】[0021]
【発明の効果】本発明のスクワラン含有熱可塑性樹脂組
成物は、スクワラン成分の漏れによる家具や調度品の汚
染がなく、スクワランの徐放性に優れ、柔軟な固体であ
るために扱いやすいだけでなく、スクワラン含有シート
あるいは任意の形をしたスクワラン含有成形体を、極め
て簡便な製造方法で提供することができる。EFFECTS OF THE INVENTION The squalane-containing thermoplastic resin composition of the present invention is free from contamination of furniture and furniture due to leakage of squalane components, has excellent sustained release of squalane, and is a flexible solid, so that it is easy to handle. In addition, a squalane-containing sheet or a squalane-containing molded product having an arbitrary shape can be provided by an extremely simple manufacturing method.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 石井 正雄 茨城県鹿島郡神栖町東和田36番地 株式会 社クラレ内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masao Ishii 36 Towada, Kamisu-cho, Kashima-gun, Ibaraki Prefecture Kuraray Co., Ltd.
Claims (1)
ブロックＡを少なくとも１個以上と共役ジエン化合物を
主体とする重合体ブロックＢを少なくとも１個以上有
し、ビニル芳香族化合物の含有量が５〜７５％の範囲に
あるブロック共重合体を水素添加して得られる、共役ジ
エンに基づく脂肪族二重結合の水素添加率が３５％以上
である水添ブロック共重合体１００重量部、およびスク
ワラン５〜５０００重合部を含有することを特徴とする
熱可塑性樹脂組成物。1. A polymer having at least one polymer block A mainly composed of a vinyl aromatic compound and at least one polymer block B mainly composed of a conjugated diene compound, and having a content of the vinyl aromatic compound. 100 parts by weight of a hydrogenated block copolymer having a hydrogenation rate of a conjugated diene-based aliphatic double bond of 35% or more, which is obtained by hydrogenating a block copolymer in the range of 5 to 75%, and A thermoplastic resin composition comprising 5 to 5000 polymerized parts of squalane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4260791A JPH0680856A (en) | 1992-09-03 | 1992-09-03 | Thermoplastic resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4260791A JPH0680856A (en) | 1992-09-03 | 1992-09-03 | Thermoplastic resin composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0680856A true JPH0680856A (en) | 1994-03-22 |
Family
ID=17352790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4260791A Pending JPH0680856A (en) | 1992-09-03 | 1992-09-03 | Thermoplastic resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0680856A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904967A (en) * | 1995-04-27 | 1999-05-18 | Terumo Kabushiki Kaisha | Puncture resistant medical material |
| JPH11349437A (en) * | 1998-06-09 | 1999-12-21 | Kao Corp | Coated sheet for skin or hair |
| WO2001026620A1 (en) * | 1999-10-08 | 2001-04-19 | Mobil Oil Corporation | Compositions containing copolymers of isoprene, butadiene and/or styrene for use in human skin care and hair care |
| WO2001032136A1 (en) * | 1999-10-29 | 2001-05-10 | Mobil Oil Corporation | Sunscreen compositions containing copolymers of isoprene, butadiene and/or styrene to provide improved water resistance |
-
1992
- 1992-09-03 JP JP4260791A patent/JPH0680856A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904967A (en) * | 1995-04-27 | 1999-05-18 | Terumo Kabushiki Kaisha | Puncture resistant medical material |
| JPH11349437A (en) * | 1998-06-09 | 1999-12-21 | Kao Corp | Coated sheet for skin or hair |
| WO2001026620A1 (en) * | 1999-10-08 | 2001-04-19 | Mobil Oil Corporation | Compositions containing copolymers of isoprene, butadiene and/or styrene for use in human skin care and hair care |
| WO2001032136A1 (en) * | 1999-10-29 | 2001-05-10 | Mobil Oil Corporation | Sunscreen compositions containing copolymers of isoprene, butadiene and/or styrene to provide improved water resistance |
| US6312672B1 (en) | 1999-10-29 | 2001-11-06 | Exxon Mobil Chemical Patents Inc. | Sunscreen compositions containing copolymers of isoprene butadiene and/or styrene to provide improved water resistance |
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