JP2582275B2 - Silicone gel composition and cosmetic containing the same - Google Patents

Silicone gel composition and cosmetic containing the same

Info

Publication number
JP2582275B2
JP2582275B2 JP63020036A JP2003688A JP2582275B2 JP 2582275 B2 JP2582275 B2 JP 2582275B2 JP 63020036 A JP63020036 A JP 63020036A JP 2003688 A JP2003688 A JP 2003688A JP 2582275 B2 JP2582275 B2 JP 2582275B2
Authority
JP
Japan
Prior art keywords
gel composition
viscosity
silicone gel
silicone
silicone oil
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 - Lifetime
Application number
JP63020036A
Other languages
Japanese (ja)
Other versions
JPH01207354A (en
Inventor
徹 清水
一弘 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KOSEI KK
Original Assignee
KOSEI KK
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04Dispersions; Emulsions
    • A61K8/042Gels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/89Polysiloxanes
    • A61K8/895Polysiloxanes containing silicon bound to unsaturated aliphatic groups, e.g. vinyl dimethicone

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は、特定のオルガノポリシロキサン重合物と低
粘度シリコーン油とからなるシリコーンゲル組成物並び
にこれを含有する化粧料に関するもので、更に詳しくは
ソフトで安定性に優れた、特に化粧品用素材として有用
なシリコーンゲル組成物並びにこれを含有せしめること
により、なめらかでさっぱりした感触を有する使用感、
使用性、そして経時安定性に優れた安全性の高い化粧料
の提供を目的とするものである。
Description: FIELD OF THE INVENTION The present invention relates to a silicone gel composition comprising a specific organopolysiloxane polymer and a low-viscosity silicone oil, and to a cosmetic containing the same, and more particularly. Is soft and excellent in stability, especially a silicone gel composition useful as a cosmetic material, and by including it, a feeling of use having a smooth and refreshing feel,
An object of the present invention is to provide a highly safe cosmetic material having excellent usability and stability over time.

[従来の技術] 従来、シリコーン油は、その優れた特性から様々な製
品に応用されており、特に化粧料関係においても有用な
油剤成分として繁用されている。このことはシリコーン
油がべたつきが少なくなめらかで伸びがよく、さっぱり
した感触を持ち、また潤滑性、撥水性に富むと共に無味
・無臭で皮膚安全性が高い等の好適な特徴乃至条件を具
備しているためである。従ってシリコーン油を配合、活
用することで良好な使用感を有し、皮膚・毛髪をトリー
トメントし保護する基礎化粧料や頭髪化粧料、或いは化
粧持続性の良好なメーキャップ化粧料の製品化検討がな
されてきた。
[Prior Art] Conventionally, silicone oils have been applied to various products due to their excellent properties, and they have been widely used as useful oil components especially in cosmetics. This means that the silicone oil has suitable characteristics and conditions such as low stickiness, good smoothness and good elongation, a refreshing feel, and excellent lubricity, water repellency, tasteless and odorless, and high skin safety. Because it is. Therefore, the commercialization of basic cosmetics and hair cosmetics, which have a good feeling of use by blending and utilizing silicone oil, and treat and protect the skin and hair, or make-up cosmetics with long lasting makeup, has been studied. Have been.

通常、係る化粧品用シリコーン油としては分子量、粘
度の相違する鎖状のジメチルポリシロキサンを代表に、
環状のオクタメチルシクロテトラシロキサン、デカメチ
ルシクロペンタシロキサン、またメチルフェニルポリシ
ロキサン、メチルハイドロジェンポリシロキサンが挙げ
られ、その他各種の重合・共重合体物、変性物が市販さ
れている。
Usually, as the silicone oil for cosmetics, the molecular weight and the chain-like dimethylpolysiloxane having different viscosities are representative,
Examples thereof include cyclic octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, methylphenylpolysiloxane, and methylhydrogenpolysiloxane, and various other polymerized / copolymerized products and modified products are commercially available.

これら各種シリコーン油は化粧目的、期待すべき効果
を考慮して使いわけや併用が行なわれている。例えば低
粘度ジメチルポリシロキサンはべたつきが少なくさっぱ
りした感触が求められる製品に、また一層高粘度のもの
は水を効果的にはじく撥水性を有する製品に適用され、
さらに鎖状、環状の揮発性シリコーン油は塗布後揮散し
てしまう性質があるので清涼感を必要とする製品等に用
いられることが多い。そしてまたジメチルハイドロジェ
ンポリシロキサンは化粧用粉体の疎水化処理に利用する
ことでメーキャップ化粧料の化粧もちの向上が図られて
きた。
These various silicone oils are used separately or in combination in consideration of cosmetic purposes and expected effects. For example, low-viscosity dimethylpolysiloxane is applied to products that require a less sticky and refreshing feel, and those with higher viscosity are applied to products that repel water effectively,
Further, chain or cyclic volatile silicone oil has a property of volatilizing after application, and thus is often used for products requiring a refreshing feeling. In addition, the use of dimethyl hydrogen polysiloxane for the hydrophobic treatment of cosmetic powders has been intended to improve the make-up of makeup cosmetics.

一般にこうしたシリコーン油の特性を有効に活用した
技術が知られると共に化粧料への用途開発研究の努力も
行なわれてきた。
In general, techniques utilizing the properties of such silicone oils are known, and efforts have been made to develop applications for cosmetics.

[発明が解決しようとする課題] 前記した如く、シリコーン油は化粧品用油剤として重
要であるものの、一層機能性を高めた期待する製品を得
る上で以下に述べるように不都合とする点がしばしば見
受けられ、指摘されるところであった。
[Problems to be Solved by the Invention] As described above, although silicone oil is important as an oil for cosmetics, it is often found that it is disadvantageous as described below in obtaining a desired product with further enhanced functionality. Was pointed out.

シリコーン油は、概して他の化粧品用油剤との相溶性
が悪く、均一溶解し安定したシリコーン油をベースとす
る製品の調製が困難であった。シリコーン油を配合する
場合、乳化しエマルジョンにして、またワックスその他
の化粧品油剤と混合して行なっても安定に維持し難く、
時にシリコーン油の特性を効果的に発揮させるべく多量
に含有せしめると経時的に分離現象を招くことがあっ
た。このことは特にさっぱりした感触を付与することや
メーキャップ化粧料の化粧もちを高めるために低粘度若
しくは揮発性シリコーン油を多用した時に顕著に認めら
れることであった。そして高粘度シリコーン油を使用す
る場合には撥水性は向上するがべたつき感等も同時に感
じられる結果になる。このようにシリコーン油の含有量
を増加させ、充分に効果を期待し、しかも安定した製品
を得る上で苦心を強いられた。
Silicone oils generally have poor compatibility with other cosmetic oils, and it has been difficult to prepare silicone oil-based products that are uniformly dissolved and stable. When silicone oil is blended, it is difficult to maintain stable even when emulsified into an emulsion and mixed with wax and other cosmetic oils.
Occasionally, when a large amount is contained in order to effectively exhibit the properties of the silicone oil, a separation phenomenon may occur over time. This was particularly noticeable when a low-viscosity or volatile silicone oil was frequently used in order to impart a refreshing feel and to enhance the make-up of makeup cosmetics. When a high-viscosity silicone oil is used, the water repellency is improved, but a sticky feeling or the like is simultaneously felt. As described above, the content of the silicone oil was increased, and a sufficient effect was expected. Further, it was difficult to obtain a stable product.

また従来のシリコーン油では流動特性として降伏値を
持たないため、化粧料の主骨格として使用する場合、例
えば顔料などの比重差のある物質を経時的に安定分散さ
せることが難しい。係る点から分子量の大きい高粘度の
ものを使用したとしても比重差の大きいものを保持でき
ず、沈降等が見られると共に上述した如く、べたつき感
が生じ感触上好ましくない。一方ワックス類と併用した
場合には、相溶性も悪くワックスの析出が起こり易くな
ると共にワックス自身の性質が現われ、化粧料ベースと
してシリコーン油の特長であるなめらかでさっぱりした
感触を損う事となり、シリコーン油の特性を充分に活か
した安定性の良い製品を得ることを困難とするものであ
った。すなわちシリコーン油は従来液体油剤としての利
用が一般的であり、構造維持性のある製品が強く要望さ
れているにもかかわらず、これに応えた充分満足した製
品が調製し難い面を有していた。
In addition, since conventional silicone oils do not have a yield value as a flow characteristic, when used as the main skeleton of cosmetics, it is difficult to stably disperse substances having a specific gravity difference such as pigment over time. From this point, even if a high-viscosity material having a large molecular weight is used, a material having a large difference in specific gravity cannot be maintained, sedimentation and the like are observed, and a sticky feeling is generated as described above, which is not preferable in touch. On the other hand, when used in combination with waxes, the compatibility of the wax is poor, the precipitation of the wax tends to occur, and the properties of the wax itself appear. This makes it difficult to obtain a product with good stability that makes full use of the properties of silicone oil. That is, silicone oils have conventionally been generally used as liquid oil agents, and despite the strong demand for products having a structure-maintaining property, it is difficult to prepare products that meet this requirement and that are sufficiently satisfactory. Was.

[課題を解決するための手段] 本発明者等は、前記した事情に鑑み、鋭意研究した結
果、シリコーン油に不溶ではあるが膨潤する三次元の架
橋構造を有するオルガノポリシロキサン重合物と低粘度
シリコーン油を混和することにより、ソフトで安定性の
極めて優れたシリコーンゲル組成物が得られることを見
い出し、さらには前記シリコーンゲル組成物を含有せし
めることにより、安定性が非常によく、なめらかでさっ
ぱりした感触を有する使用感、使用性に優れた化粧料が
得られることを見い出し、これら知見をもって本発明を
完成させたのである。
[Means for Solving the Problems] In view of the above-mentioned circumstances, the present inventors have conducted intensive studies and as a result, have found that an organopolysiloxane polymer having a three-dimensional crosslinked structure that is insoluble but swells in silicone oil and has a low viscosity. It has been found that by mixing silicone oil, a soft and extremely stable silicone gel composition can be obtained.Furthermore, by incorporating the silicone gel composition, the stability is very good, smooth and refreshing. The present inventors have found that a cosmetic having excellent feel and usability having the above-mentioned feeling can be obtained, and the present invention has been completed based on these findings.

すなわち本発明は、 (a)(イ)1分子中にケイ素原子に結合した水素原子
を少なくとも2個含有するオルガノハイドロジェンポリ
シロキサンと (ロ)1分子中にケイ素原子に結合した脂肪族不飽和基
を少なくとも2個含有するオルガノポリシロキサンと を付加反応させたオルガノポリシロキサン重合物と、 (b)50cs以下の低粘度シリコーン油と からなるシリコーンゲル組成物並びに前記シリコーンゲ
ル組成物を含有する化粧料に関するものである。
That is, the present invention provides (a) (a) an organohydrogenpolysiloxane containing at least two silicon-bonded hydrogen atoms in one molecule, and (b) aliphatic unsaturated unsaturated compound bonded to silicon atom in one molecule. A silicone gel composition comprising: an organopolysiloxane polymer obtained by an addition reaction of an organopolysiloxane containing at least two groups; and (b) a low-viscosity silicone oil having a viscosity of 50 cs or less, and a cosmetic containing the silicone gel composition. It is about fees.

以下本発明の構成について説明する。 Hereinafter, the configuration of the present invention will be described.

本発明のシリコーンゲル組成物は、シリコーン油に不
溶ではあるが、十分に膨潤するオルガノポリシロキサン
重合物と低粘度シリコーン油とからなるもので、オルガ
ノポリシロキサン重合構造体に低粘度シリコーン油が含
有されている。
The silicone gel composition of the present invention comprises an organopolysiloxane polymer which is insoluble but sufficiently swells in silicone oil and a low-viscosity silicone oil, and the organopolysiloxane polymer structure contains the low-viscosity silicone oil. Have been.

係るシリコーン油に不溶ではあるが、十分に膨潤する
オルガノポリシロキサン重合物は、オルガノハイドロジ
ェンポリシロキサンと脂肪族不飽和基含有オルガノポリ
シロキサンを付加重合させて得られる重合体であり、一
部に三次元架橋構造を有する。
The organopolysiloxane polymer, which is insoluble in the silicone oil but swells sufficiently, is a polymer obtained by addition-polymerizing an organohydrogenpolysiloxane and an organopolysiloxane containing an aliphatic unsaturated group. It has a three-dimensional crosslinked structure.

本発明に用いられるオルガノハイドロジェンポリシロ
キサンとしては、HSiO1.5単位、RSiO1.5単位、RHSiO単
位、R2SiO単位、R2SiO0.5単位、R3SiO0.5単位等からな
り、このものの分子構造は直鎖状でも、分岐状、環状の
いずれであってもよく、1分子中にケイ素原子に結合し
た水素原子を少なくとも2個含有するものである。本発
明に用いられるオルガノハイドロジェンポリシロキサン
はオルガノポリシロキサン重合物合成反応をコントロー
ルするためには直鎖状であることがより好ましい。ま
た、このオルガノハイドロジェンポリシロキサンに於け
るケイ素原子に結合した水素原子(≡SiH結合)は一般
的には分子鎖中に含まれたものとされるが、分子鎖末端
とされてもよく、この≡SiH結合の量はその分子構造が
直鎖状、分岐状のものの場合、通常1〜20モル%、環状
のものの場合1〜50モル%であることが望ましく、また
この≡SiH結合以外の有機基はその50モル%以上がメチ
ル基とされたものが好ましい。
The organohydrogenpolysiloxane used in the present invention, HSiO 1.5 units, RSiO 1.5 units, RHSiO units, R 2 SiO units, R 2 SiO 0.5 units, consists R 3 SiO 0.5 units and the like, the molecular structure of this compound straight It may be chain-like, branched or cyclic, and contains at least two hydrogen atoms bonded to silicon atoms in one molecule. The organohydrogenpolysiloxane used in the present invention is more preferably linear in order to control the organopolysiloxane polymer synthesis reaction. In addition, a hydrogen atom (≡SiH bond) bonded to a silicon atom in the organohydrogenpolysiloxane is generally included in a molecular chain, but may be a molecular chain terminal. The amount of the ≡SiH bond is preferably 1 to 20 mol% when the molecular structure is linear or branched, and 1 to 50 mol% when the molecular structure is cyclic. The organic group is preferably one in which 50 mol% or more is a methyl group.

また、同時に用いられる脂肪族不飽和基含有オルガノ
ポリシロキサンは、1分子中にケイ素原子に結合した脂
肪族不飽和基を少なくとも2個含有するものである。こ
のオルガノポリシロキサンとしては、ビニル基やアリー
ル基が挙げられるが、ビニル基含有のオルガノビニルポ
リシロキサンが一般的には例示され、オルガノビニルポ
リシロキサンとしては、(CH2=CH)SiO1.5単位、RSiO1.5
単位、R(CH=CH2)SiO単位、R2SiO単位、R2(CH=CH2)
SiO0.5単位、R3SiO0.5単位等からなり、このものの分子
構造は直鎖状でも、分岐状、環状のいずれであってもよ
く、1分子中にケイ素原子に結合した脂肪族不飽和基、
例えばビニル基を少なくとも2個含有するものである。
本発明に用いられる脂肪族不飽和基含有オルガノポリシ
ロキサンはオルガノポリシロキサン重合物合成反応をコ
ントロールするためには直鎖状であることがより好まし
い。またこのオルガノビニルポリシロキサンは通常は分
子鎖両末端がジメチルビニルシリル基で封鎖された直鎖
状のものとされるが、このビニル基は鎖中に含まれてい
てもよく、このビニル基量はその分子構造が直鎖状、分
岐状のものの場合1〜20モル%、環状のものの場合1〜
50モル%であることが望ましく、また、このビニル基以
外の有機基はその50モル%以上がメチル基とされたもの
が好ましい。
The aliphatic unsaturated group-containing organopolysiloxane used at the same time contains at least two aliphatic unsaturated groups bonded to silicon atoms in one molecule. Examples of the organopolysiloxane include a vinyl group and an aryl group, and a vinyl group-containing organovinylpolysiloxane is generally exemplified.As the organovinylpolysiloxane, (CH 2 CHCH) SiO 1.5 units, RSiO 1.5
Unit, R (CH = CH 2 ) SiO unit, R 2 SiO unit, R 2 (CH = CH 2 )
SiO 0.5 units, consists R 3 SiO 0.5 units, etc., in the molecule structure of those linear, branched, or cyclic, aliphatic unsaturated groups bonded to silicon atoms within each molecule,
For example, those containing at least two vinyl groups.
The aliphatic unsaturated group-containing organopolysiloxane used in the present invention is more preferably linear in order to control the organopolysiloxane polymer synthesis reaction. The organovinylpolysiloxane is usually a linear one in which both ends of the molecular chain are blocked with a dimethylvinylsilyl group, and the vinyl group may be contained in the chain. Is 1 to 20 mol% when the molecular structure is linear or branched, and 1 to 20 mol% when the molecular structure is cyclic.
The organic group other than the vinyl group is preferably 50 mol%, and the organic group other than the vinyl group preferably has a methyl group of 50 mol% or more.

そして、オルガノハイドロジェンポリシロキサンおよ
び脂肪族不飽和基含有オルガノポリシロキサン、例えば
オルガノビニルポリシロキサンの各々の分子中に反応性
基であるケイ素原子に結合した水素原子あるいはビニル
基が、1分子中に少なくとも2個含有することは、両者
の付加重合物が一部に三次元構造を形成する上で必須と
される。また、これら反応性基の各々のオルガノポリシ
ロキサン中に占める含有量がその分子構造が直鎖状、分
岐状のものの場合20モル%より、また環状のものの場合
50モル%より大きくなると硬い重合物となってしまうと
共に後述する低粘度シリコーン油が三次元架橋格子間の
配向し難くなる傾向となり分離排出が起こり安定保持で
きなくなることが認められるようになる。逆に、含有量
が1モル%より小さくなると構造粘性が乏しくなる傾向
となってしまう。このため、ソフトで安定性の良好なシ
リコーンゲル組成物を得る本発明の目的にとって限定的
ではないが、反応性基の含有量はその分子構造が直鎖
状、分岐状のものの場合1〜20モル%、また環状のもの
の場合1〜50モル%とされる。
Then, in each molecule of the organohydrogenpolysiloxane and the aliphatic unsaturated group-containing organopolysiloxane, for example, a hydrogen atom or a vinyl group bonded to a silicon atom which is a reactive group in each molecule of the organovinylpolysiloxane is contained in one molecule. The inclusion of at least two is essential for forming a three-dimensional structure in a part of the addition polymer. The content of each of these reactive groups in the organopolysiloxane is more than 20 mol% when the molecular structure is linear or branched, and when the molecular structure is cyclic.
If it is more than 50 mol%, a hard polymer is obtained, and the low-viscosity silicone oil described later tends to be hardly oriented between the three-dimensionally crosslinked lattices. Conversely, if the content is less than 1 mol%, the structural viscosity tends to be poor. For this reason, although it is not limited for the purpose of the present invention to obtain a soft and stable silicone gel composition, the content of the reactive group is 1 to 20 when the molecular structure is linear or branched. Mol%, and 1 to 50 mol% in the case of a cyclic compound.

また、オルガノハイドロジェンポリシロキサンの前記
有機基Rとしては、メチル基、エチル基、プロピル基、
ブチル基などのアルキル基、フェニル基、トリル基など
のアリール基、シクロヘキシル基またはこれらの基の炭
素原子に結合した水素原子の一部または全部をハロゲン
原子、シアノ基などで置換した基などから選択されるビ
ニル基などの脂肪族不飽和基を除く非置換または置換一
価炭化水素基とされるものが例示される。
Further, as the organic group R of the organohydrogenpolysiloxane, a methyl group, an ethyl group, a propyl group,
Select from alkyl groups such as butyl group, aryl groups such as phenyl group and tolyl group, cyclohexyl group, or groups in which some or all of the hydrogen atoms bonded to carbon atoms of these groups are substituted with halogen atoms, cyano groups, etc. Examples thereof include unsubstituted or substituted monovalent hydrocarbon groups excluding aliphatic unsaturated groups such as vinyl groups.

こうした例の代表的なものとしては、(CH3)3SiO‐、
(CH3)2SiOp、CH3HSiOq、Si(CH3)3(但し、p=
10〜500、q=2〜50)の単位を含んでなるメチルハイ
ドロジェンポリシロキサンが挙げられ、本発明に好適な
材料となる。
Representative of these examples are (CH 3 ) 3 SiO-,
(CH 3 ) 2 SiO p , CH 3 HSiO q , Si (CH 3 ) 3 (where p =
Methyl hydrogen polysiloxane containing a unit of 10 to 500, q = 2 to 50) is a suitable material for the present invention.

また、脂肪族不飽和基含有オルガノポリシロキサンで
あるオルガノビニルポリシロキサンの前記有機基Rは、
オルガノハイドロジェンポリシロキサンのRと同意であ
る。こうした例の代表的なものとしては、(CH2=CH)(CH
3)2SiO‐、(CH3)2SiOr、‐Si(CH3)2(CH=CH2)、
(但し、r=10〜100)の単位、あるいは(CH3)3SiO‐、
(CH3)2SiOm、(CH=CH2)CH3SiOn、‐Si(C
H3)3、(但し、m=10〜500、n=2〜50)の単位を含
んでなるメチルビニルポリシロキサンが挙げられ、これ
らは混合物であってもよく、本発明に好適な材料とな
る。
In addition, the organic group R of the organovinylpolysiloxane that is an aliphatic unsaturated group-containing organopolysiloxane,
Synonymous with R of organohydrogenpolysiloxane. A typical example of such an example is (CH 2 = CH) (CH
3 ) 2 SiO-, (CH 3 ) 2 SiO r , -Si (CH 3 ) 2 (CH = CH 2 ),
(However, r = 10 to 100) or (CH 3 ) 3 SiO-,
(CH 3 ) 2 SiO m , (CH = CH 2 ) CH 3 SiO n , -Si (C
H 3 ) 3 , where m = 10 to 500, n = 2 to 50), and methylvinylpolysiloxane, which may be a mixture, and a material suitable for the present invention. Become.

本発明のオルガノハイドロジェンポリシロキサンと脂
肪族不飽和基含有オルガノポリシロキサンの付加反応
は、従来公知の一般的な方法で行えばよい。例えば、然
るべきオルガノハイドロジェンポリシロキサンとオルガ
ノビニルポリシロキサンを各々の反応性基であるケイ素
原子に結合した水素基と、ビニル基のモル比を1/3〜3/1
の範囲で配合したのち、白金あるいはパラジウムなどの
付加重合触媒を添加し、加温攪拌することにより容易に
目的とするシリコーン油に不溶なオルガノポリシロキサ
ン重合物が得られる。特に本付加重合触媒としては、特
公昭33-9969に記載されている塩化白金酸を用いること
が好ましい。
The addition reaction between the organohydrogenpolysiloxane of the present invention and the organopolysiloxane containing an aliphatic unsaturated group may be performed by a conventionally known general method. For example, the molar ratio of a hydrogen group in which an appropriate organohydrogenpolysiloxane and an organovinylpolysiloxane are bonded to a silicon atom which is a reactive group, and the molar ratio of the vinyl group is 1/3 to 3/1.
Then, an addition polymerization catalyst such as platinum or palladium is added, and the mixture is heated and stirred, whereby an intended organopolysiloxane polymer insoluble in silicone oil can be easily obtained. In particular, it is preferable to use chloroplatinic acid described in JP-B-33-9969 as the addition polymerization catalyst.

一方、本発明に用いられる低粘度シリコーン油は、粘
度50cs以下のものが好適に使用し得る。これは高粘度に
なるにつれ、それを多量に用いた結果として感触的にあ
ぶらっぽさが生じ、使用感上好ましくない方向となるか
らである。そして低粘度シリコーン油としては低重合度
鎖状のジメチルポリシロキサン、メチルフェニルポリシ
ロキサン、環状のオクタメチルシクロテトラシロキサ
ン、デカメチルシクロペンタシロキサン等が例示され、
必要に応じてこれらの1種または2種以上を適宜選択し
て用いられる。
On the other hand, as the low-viscosity silicone oil used in the present invention, those having a viscosity of 50 cs or less can be suitably used. This is because, as the viscosity becomes higher, as a result of using it in a large amount, it becomes oily to the touch, which is unfavorable in the sense of use. Examples of the low-viscosity silicone oil include low-polymerization degree chain dimethylpolysiloxane, methylphenylpolysiloxane, cyclic octamethylcyclotetrasiloxane, and decamethylcyclopentasiloxane.
One or more of these may be appropriately selected and used as needed.

本発明のシリコーンゲル組成物は、前記の如くして得
たオルガノポリシロキサン重合物と低粘度シリコーン油
とを充分混練等し、膨潤させることで容易に作成するこ
とができる。この場合、オルガノポリシロキサン重合物
と低粘度シリコーン油との混合割合は5対95〜30対70重
量%、好ましくは10対90〜25対75重量%である。オルガ
ノポリシロキサン重合物の量が少なくなると低粘度シリ
コーン油が過剰となって、流動粘性を帯び良好なゲル構
造を維持できなくなり、逆に多くなると軟らかいゲル組
成物が得難くなるからである。
The silicone gel composition of the present invention can be easily prepared by sufficiently kneading the organopolysiloxane polymer obtained as described above with a low-viscosity silicone oil and swelling the mixture. In this case, the mixing ratio of the organopolysiloxane polymer and the low-viscosity silicone oil is 5:95 to 30: 70% by weight, preferably 10:90 to 25: 75% by weight. If the amount of the organopolysiloxane polymer is small, the amount of the low-viscosity silicone oil is excessive, so that it becomes impossible to maintain a good gel structure with fluid viscosity, and conversely, if it is too large, it becomes difficult to obtain a soft gel composition.

前記の本発明によって得られたシリコーンゲル組成物
は、低粘度シリコーン油の保持性に優れたものであっ
て、安定性がよく、ソフトでさっぱりとした感触を有す
る使用感、使用性に優れたものである。このシリコーン
ゲル組成物を従来シリコーン油と同様に化粧品用原料と
して利用することでその特性が発揮された極めて有用な
化粧料が得られる。
The silicone gel composition obtained by the above-mentioned present invention has excellent low-viscosity silicone oil retention properties, good stability, a soft and refreshing feel, and excellent useability. Things. By using this silicone gel composition as a raw material for cosmetics in the same manner as a conventional silicone oil, an extremely useful cosmetic having its properties exhibited can be obtained.

本発明での化粧料としては、クリーム・乳液等の顔、
手足用の基礎化粧料、整髪料・シャンプー・リンス等の
頭髪化粧料、ファンデーション・白粉・頬紅・アイシャ
ドウ・口紅・美爪料等のメーキャップ化粧料であり、こ
れは本発明のシリコーンゲル組成物が適用しうるもので
あれば何れを問うものでない。そしてシリコーンゲル組
成物の配合はエマルションにして、また他の油剤原料と
同様に混合して添加することで行なわれる。この際、配
合量は5〜100重量%の範囲であり、そのまま用いても
よく使用目的に応じて決定すればよい。
Examples of the cosmetics in the present invention include faces such as creams and emulsions,
Basic cosmetics for limbs, hair cosmetics such as hair styling, shampoo, and rinse, makeup cosmetics such as foundation, white powder, blush, eyeshadow, lipstick, and beautiful nails, which are the silicone gel composition of the present invention. It does not matter which one is applicable. The silicone gel composition is blended in the form of an emulsion and mixed and added in the same manner as the other oil agent raw materials. At this time, the compounding amount is in the range of 5 to 100% by weight, and it may be used as it is or may be determined according to the purpose of use.

尚、本発明に於ける化粧料は当然のことながら前記シ
リコーンゲル組成物と従来化粧料基材となる成分とから
構成される。化粧料基材成分をより具体的に例示すれ
ば、油脂類・ロウ類・炭化水素類・脂肪酸・高級アルコ
ール・エステル類・金属石ケン・シリコーン油等の油剤
原料、白色顔料・着色顔料・体質顔料等の粉体原料、界
面活性剤、多価アルコール類、高分子化合物、水、その
他防腐剤、アルカリ剤、紫外線吸収剤、酸化防止剤、タ
ール色素、美肌用成分等であり、これらは製品種や化粧
目的に応じて適宜選択される。
The cosmetic of the present invention is naturally composed of the silicone gel composition and a component which is a conventional cosmetic base material. More specific examples of cosmetic base materials include oils and raw materials such as oils and fats, waxes, hydrocarbons, fatty acids, higher alcohols, esters, metal soaps, silicone oils, and white pigments, colored pigments, and constitutions. Powder raw materials such as pigments, surfactants, polyhydric alcohols, polymer compounds, water, other preservatives, alkali agents, ultraviolet absorbers, antioxidants, tar pigments, ingredients for beautiful skin, etc. These are products It is appropriately selected according to the species and the purpose of makeup.

[実施例] 以下、本発明について実施例を挙げてさらに説明す
る。尚、これらは本発明を何ら限定するものでない。
[Examples] Hereinafter, the present invention will be further described with reference to examples. These do not limit the present invention at all.

実施例[1] 内容積約5lのプラネタリーミキサーに、トリメチルシ
リル末端封鎖ジメチルメチルハイドロジェンポリシロキ
サン(平均分子量2340、Si-H 4.5モル%)1790g、およ
び、ジメチルビニルシリル末端封鎖ジメチルポリシロキ
サン(平均分子量930、ビニル基7.7モル%)710gを投入
し、攪拌混合した。
Example [1] 1790 g of trimethylsilyl-endblocked dimethylmethylhydrogenpolysiloxane (average molecular weight 2340, Si-H 4.5 mol%) and dimethylvinylsilyl-endblocked dimethylpolysiloxane (average) were placed in a planetary mixer having an internal volume of about 5 l. 710 g of a compound having a molecular weight of 930 and a vinyl group content of 7.7 mol%) was added thereto, followed by stirring and mixing.

同混合溶液に、塩化白金酸の2%イソプロパノール溶
液の0.5g添加を行ない、70〜80℃に昇温し、2時間攪拌
を続けた。その後、系内を5〜10mmHgに減圧し、ストリ
ッピングを30分間続行した。この結果得られたオルガノ
ポリシロキサンゲル状重合物は、白色の柔軟性を備えた
粉体であった。
0.5 g of a 2% solution of chloroplatinic acid in isopropanol was added to the mixed solution, the temperature was raised to 70 to 80 ° C., and stirring was continued for 2 hours. Thereafter, the pressure in the system was reduced to 5 to 10 mmHg, and stripping was continued for 30 minutes. The resulting organopolysiloxane gel polymer was a white flexible powder.

このオルガノポリシロキサン重合物2重量部とジメチ
ルポリシロキサン(粘度5cs)8重量部とを分散混合
後、三本ロールにより充分混練し、膨潤させてシリコー
ンゲル組成物を作成した。
After dispersing and mixing 2 parts by weight of the organopolysiloxane polymer and 8 parts by weight of dimethylpolysiloxane (viscosity: 5 cs), the mixture was sufficiently kneaded with a three-roll mill and swollen to prepare a silicone gel composition.

実施例[2] 実施例[1]と同様にして、ジメチルハイドロジェン
シリル末端封鎖ジメチルポリシロキサン(平均分子量27
20、Si-H 2.6モル%)880gにトリメチルシリル末端封鎖
ジメチルメチルビニルポリシロキサン(平均分子量500
0、ビニル基1.5モル%)1620gを配合し、塩化白金酸の
2%イソプロパノール溶液を0.5g添加し、同一操作に
て、シリコーンゲル組成物を作成した。
Example [2] In the same manner as in Example [1], dimethylhydrogensilyl end-blocked dimethylpolysiloxane (average molecular weight 27
20, Trimethylsilyl end-blocked dimethylmethylvinylpolysiloxane (average molecular weight 500
(0, 1.5 mol% of vinyl group) 1620 g, and 0.5 g of a 2% solution of chloroplatinic acid in isopropanol were added, and a silicone gel composition was prepared in the same operation.

実施例[3] 実施例[1]と同様にしてメチルハイドロキシシクロ
テトラシロキサン(平均分子量232、Si-H 50モル%)55
gにジメチルビニルシリル末端封鎖ジメチルポリシロキ
サン(平均分子量4400、ビニル基1.3モル%)2200gを配
合し、塩化白金酸の2%イソプロパノール溶液を0.5g添
加し、同一操作にて、シリコーンゲル組成物を作成し
た。
Example [3] Methylhydroxycyclotetrasiloxane (average molecular weight: 232, Si-H: 50 mol%) 55 in the same manner as in Example [1] 55
g of 2,200 g of dimethylvinylsilyl end-blocked dimethylpolysiloxane (average molecular weight: 4,400, 1.3 mol% of vinyl group) was added, and 0.5 g of a 2% solution of chloroplatinic acid in isopropanol was added. Created.

比較例[1] トリメチルシリル末端封鎖ジメチルメチルハイドロジ
ェンポリシロキサン(分子量2200、Si-H 24モル%)110
0gにトリメチルシリル末端封鎖ジメチルメチルビニルポ
リシロキサン(平均分子量2780、ビニル基21モル%)14
00gを配合し、塩化白金酸の2%イソプロパノール溶液
を0.5g添加し、実施例1と同一操作にて、シリコーンゲ
ル組成物を作成した。
Comparative Example [1] Trimethylsilyl-endblocked dimethylmethylhydrogenpolysiloxane (molecular weight 2200, Si-H 24 mol%) 110
0 g of trimethylsilyl end-blocked dimethylmethylvinylpolysiloxane (average molecular weight 2780, vinyl group 21 mol%) 14
Then, 0.5 g of a 2% solution of chloroplatinic acid in isopropanol was added, and a silicone gel composition was prepared in the same manner as in Example 1.

以上の如くして作成した本発明の実施例[1]、
[2]及び[3]のシリコーンゲル組成物は軟らかなゲ
ルであり、伸びがよくさっぱりした感触を有し、経時安
定性にも優れたものであった。これに対して比較例
[1]にあっては、そこで得られたオルガノポリシロキ
サン重合物が硬く、しかもこのものと低粘度シリコーン
油との混和性が悪く、廃液現象が起こり安定性の良好な
ゲル組成物を作成することができなかった。
Embodiment [1] of the present invention created as described above,
The silicone gel compositions of [2] and [3] were soft gels, had good elongation, had a refreshing feel, and had excellent stability over time. On the other hand, in Comparative Example [1], the organopolysiloxane polymer obtained therefrom was hard, and the miscibility of the organopolysiloxane polymer with the low-viscosity silicone oil was poor. A gel composition could not be made.

次に本発明で得たシリコーンゲル組成物を用いた化粧
料の例を示す。
Next, examples of cosmetics using the silicone gel composition obtained by the present invention will be described.

実施例[4] ファンデーション (処方) (重量部) (1)酸化チタン 14.0 (2)マイカ 3.0 (3)着色顔料 3.0 (4)実施例[1]のシリコーンゲル組成物 80.0 (製法) 成分(1)〜(3)を混合、粉砕して均一にし、これ
を成分(4)に添加混合し、均質分散した後、容器に充
填して製品を得た。
Example [4] Foundation (prescription) (parts by weight) (1) Titanium oxide 14.0 (2) Mica 3.0 (3) Color pigment 3.0 (4) Silicone gel composition of Example [1] 80.0 (Production method) Component (1) ) To (3) were mixed and pulverized to obtain a uniform mixture. This was added to the component (4), mixed and homogenously dispersed, and filled in a container to obtain a product.

比較例[2] ファンデーションを実施例[1]の成分である(4)
の代りとしてマイクロクリスタリンワックス16部、ジメ
チルポリシロキサン(粘度5cs)64部に置換した以外は
同様にして製品を得た。
Comparative Example [2] The foundation is a component of Example [1] (4)
A product was obtained in the same manner except that 16 parts of microcrystalline wax and 64 parts of dimethylpolysiloxane (viscosity 5 cs) were used instead of the above.

以上の如くして得た実施例[4]と比較例[2]のフ
ァンデーションについて官能評価及び経時安定性評価を
行なった。その結果を表1に示す。
The foundations of Example [4] and Comparative Example [2] obtained as described above were subjected to sensory evaluation and evaluation of stability over time. Table 1 shows the results.

尚、官能評価は女性パネル20名を用い、表1に記載し
た評価項目につき非常によいを3点、良いまたはふつう
であるを2点、悪いを1点として行ない、それぞれの平
均点が2.5点以上を◎、1.5〜2.5点未満を○、1.5点未満
を×として表わした。また経時安定性評価は室温放置
下、1週間後の外観状態を視覚観察することで行ない、
良好を○、不良を×として表わした。
For the sensory evaluation, 20 female panels were used, and the evaluation items shown in Table 1 were evaluated as 3 points for very good, 2 points for good or ordinary, and 1 point for bad, and the average score for each was 2.5 points The above was represented as ◎, less than 1.5 to 2.5 points as ○, and less than 1.5 points as x. Further, the stability evaluation with time was performed by visually observing the appearance state after one week under the standing at room temperature,
Good was represented by ○ and bad was represented by ×.

表1の結果から明らかなように本発明のファンデーシ
ョンは比較品に較べて使用感、使用性に優れたものであ
り、また比較品で経時的に油性成分の分離が認められた
のに対して安定性も極めて良好であった。すなわち本発
明によって構造粘性を付与するためにワックスを用いな
くても品質の高い、極めて有用な製品が得られたのであ
った。
As is evident from the results in Table 1, the foundation of the present invention was superior in use feeling and usability as compared with the comparative product, and the comparative product showed separation of oily components over time. The stability was also very good. That is, according to the present invention, a high quality and extremely useful product was obtained without using a wax for imparting structural viscosity.

実施例[5] ハンドクリーム (処方) (重量部) (1)実施例[1]のシリコーンゲル組成物 88.0 (2)オクタメチルシクロテトラシロキサン 10.0 (3)ワセリン 2.0 (製法) 成分(1)〜(3)を混合後、充分混練して均質にし
た後、容器に充填して製品を得た。
Example [5] Hand cream (prescription) (parts by weight) (1) Silicone gel composition of Example [1] 88.0 (2) Octamethylcyclotetrasiloxane 10.0 (3) Vaseline 2.0 (Production method) Components (1) to After mixing (3), the mixture was sufficiently kneaded and homogenized, and then filled in a container to obtain a product.

以上の如くして得た実施例[5]のハンドクリームは
べたつきがなくさっぱりした感触を有すると共に撥水効
果が高く、しかも経時安定性が良好であって、極めて有
用なものであった。
The hand cream of Example [5] obtained as described above had no stickiness, had a refreshing feel, had a high water-repellent effect, had good stability over time, and was extremely useful.

実施例[6] フェイスクリーム (処方) (重量部) (1)ステアリン酸 2.5 (2)セチルアルコール 1.7 (3)本発明のシリコーンゲル組成物* 20.0 (4)セスキオレイン酸ソルビタン 1.0 (5)モノオレイン酸ポリオキシエチレンソルビタン 2.0 (6)トリエタノールアミン 0.7 (7)1,3-ブチレングリコール 5.0 (8)ポリメタクリル酸 0.5 (9)精製水 残量 *実施例[1]に於いて低粘度シリコーン油としてオク
タメチルシクロテトラシロキサンを用いた以外は同様に
して作成した。
Example [6] Face cream (Prescription) (parts by weight) (1) 2.5 stearic acid (2) cetyl alcohol 1.7 (3) Silicone gel composition of the present invention * 20.0 (4) Sorbitan sesquioleate 1.0 (5) Mono Polyoxyethylene sorbitan oleate 2.0 (6) Triethanolamine 0.7 (7) 1,3-butylene glycol 5.0 (8) Polymethacrylic acid 0.5 (9) Remaining amount of purified water * Low viscosity silicone in Example [1] The same procedure was followed except that octamethylcyclotetrasiloxane was used as the oil.

(製法) 成分(1)〜(5)を混合し、80℃に加熱溶解し油相
成分とする。また成分(6)〜(9)を混合し、80℃に
加熱し水相成分とする。この油相成分に水相成分を攪拌
しながら添加し、乳化を行い、冷却した後、容器に充填
して製品を得た。
(Production method) Components (1) to (5) are mixed and heated and dissolved at 80 ° C to obtain an oil phase component. Further, the components (6) to (9) are mixed and heated to 80 ° C. to obtain an aqueous phase component. The aqueous phase component was added to the oil phase component with stirring, emulsified, cooled, and filled in a container to obtain a product.

以上の如くして得た実施例[6]のフェイスクリーム
は、のびがよく、感触的にあぶらっぽさを感じず、さっ
ぱりしており、良好な使用感、使用性を有する皮膚の保
護のために有用なものであり、また経時安定性も良好で
あった。
The face cream of Example [6] obtained as described above has good spreadability, does not feel oily to the touch, is refreshing, and has a good feeling of use and protection of skin having good usability. Therefore, the stability with time was also good.

[発明の効果] 以上、詳述した如く、本発明によって得られたシリコ
ーンゲル組成物は、経時安定性が非常に良好で、しかも
延びがよくてべたつきが少なくさっぱりした感触を有
し、ソフトで軟らかな使用性に優れたものである。
[Effects of the Invention] As described above in detail, the silicone gel composition obtained by the present invention has a very good stability over time, has a good spread, has a low stickiness, and has a refreshing feel. It has excellent soft usability.

また本発明のシリコーンゲル組成物は、適度な粘性物
とすることができると共に構造粘性をもち、さらには潤
滑性、撥水性に優れ、皮膚安全性が高い等、極めて有用
な性質を具備したものである。
In addition, the silicone gel composition of the present invention can be formed into a moderately viscous substance, has structural viscosity, and has extremely useful properties such as excellent lubricity, water repellency, and high skin safety. It is.

従って、かようなシリコーンゲル組成物を化粧品用素
材として用いたならば従来シリコーン油と同様に各種の
化粧料に適用でき、その特有の性能が発揮された化粧料
が得られる。
Therefore, if such a silicone gel composition is used as a cosmetic material, it can be applied to various cosmetics in the same manner as the conventional silicone oil, and a cosmetic exhibiting its unique performance can be obtained.

このことは、たとえ多量に用いてもべたつきが感じら
れず、伸びがよくてさっぱりした使用感のある、そして
また撥水性があって、皮膚や毛髪に適度な潤いと保護効
果を与えることができ、さらにメーキャップ化粧料の化
粧もちの向上をも図れることになる。
This means that even if used in large quantities, it does not feel sticky, has a good stretch and has a refreshing feeling, and is also water repellent, it can give the skin and hair a moderate moisturizing and protective effect In addition, it is possible to improve the make-up of makeup cosmetics.

しかも従来ワックスを主要とする固型乃至ペースト状
油性化粧料に於いて、あぶらっぽさを減少せしめること
ができ、またこの種の製品系に低粘度シリコーン油を配
合した場合にあった油剤の分離が認められるようなこと
もなく、安定性を非常に向上させうると共に構造粘性の
あるシリコーンをベースとした製品への応用、展開もで
きる。
Moreover, in solid or pasty oil-based cosmetics mainly containing wax, the oiliness can be reduced, and the oil agent which was used when a low-viscosity silicone oil was added to this type of product system was used. The separation is not observed, and the stability can be greatly improved, and application and development to silicone-based products having structural viscosity can be performed.

このように、本発明によって、化粧品用素材として利
用度の高いシリコーンゲル組成物及び該シリコーンゲル
組成物を配合することで安定性がよく、使用感、使用性
の優れた、品質の高い化粧料の提供が可能となったので
ある。
As described above, according to the present invention, a silicone gel composition having a high degree of use as a cosmetic material, and a high-quality cosmetic composition having excellent stability, excellent usability and usability by blending the silicone gel composition. Is now possible.

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 FI 技術表示箇所 C08L 83/07 C08L 83/07 C09K 3/00 103 C09K 3/00 103L ──────────────────────────────────────────────────の Continuation of the front page (51) Int.Cl. 6 Identification number Agency reference number FI Technical indication location C08L 83/07 C08L 83/07 C09K 3/00 103 C09K 3/00 103L

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】(a)(イ)1分子中にケイ素原子に結合
した水素原子を少なくとも2個含有するオルガノハイド
ロジェンポリシロキサンと (ロ)1分子中にケイ素原子に結合した脂肪族不飽和基
を少なくとも2個含有するオルガノポリシロキサンと を付加反応させたオルガノポリシロキサン重合物と、 (b)50cs以下の低粘度シリコーン油と からなるシリコーンゲル組成物。
(A) (a) an organohydrogenpolysiloxane containing at least two hydrogen atoms bonded to a silicon atom in one molecule, and (b) aliphatic unsaturation bonded to a silicon atom in one molecule. A silicone gel composition comprising: an organopolysiloxane polymer obtained by an addition reaction of an organopolysiloxane containing at least two groups; and (b) a low-viscosity silicone oil having a viscosity of 50 cs or less.
【請求項2】請求項1記載のシリコーンゲル組成物を含
有する化粧料。
2. A cosmetic comprising the silicone gel composition according to claim 1.
JP63020036A 1987-10-15 1988-01-30 Silicone gel composition and cosmetic containing the same Expired - Lifetime JP2582275B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63020036A JP2582275B2 (en) 1987-10-15 1988-01-30 Silicone gel composition and cosmetic containing the same

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP25838687 1987-10-15
JP62-258386 1987-10-15
JP63020036A JP2582275B2 (en) 1987-10-15 1988-01-30 Silicone gel composition and cosmetic containing the same

Publications (2)

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JP2582275B2 true JP2582275B2 (en) 1997-02-19

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Country Link
JP (1) JP2582275B2 (en)

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US8574557B2 (en) 2010-03-05 2013-11-05 Shin-Etsu Chemical Co., Ltd. Composition for a cosmetic and a cosmetic comprising the same
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