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JP7368217B2 - Cationic emulsion composition of polyorganosiloxane and method for producing the same - Google Patents

Cationic emulsion composition of polyorganosiloxane and method for producing the same Download PDF

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JP7368217B2
JP7368217B2 JP2019225634A JP2019225634A JP7368217B2 JP 7368217 B2 JP7368217 B2 JP 7368217B2 JP 2019225634 A JP2019225634 A JP 2019225634A JP 2019225634 A JP2019225634 A JP 2019225634A JP 7368217 B2 JP7368217 B2 JP 7368217B2
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polyorganosiloxane
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匠 深町
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Shin Etsu Chemical Co Ltd
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Description

本発明は、ポリオルガノシロキサンのカチオン系エマルション組成物及びその製造方法に関する。 The present invention relates to a cationic emulsion composition of polyorganosiloxane and a method for producing the same.

ポリオルガノシロキサンは、基材に処理することで平滑性や撥水性を付与できることから、繊維処理剤、離型剤、撥水剤、化粧料、毛髪用化粧料等に使用されている。中でも高重合のポリシロキサンは、平滑性の付与効果には優れている。また、これらポリシロキサンを乳化する際の界面活性剤として、4級アンモニウム塩のようなカチオン系界面活性剤を使用するとポリシロキサンの基材への吸着性が向上することも知られている。このため、高重合度のポリシロキサンをカチオン系界面活性剤で乳化したエマルションの要求が高かった。 Polyorganosiloxanes can impart smoothness and water repellency to substrates by treating them, so they are used in fiber treatment agents, mold release agents, water repellents, cosmetics, hair cosmetics, and the like. Among them, highly polymerized polysiloxanes are excellent in imparting smoothness. It is also known that when a cationic surfactant such as a quaternary ammonium salt is used as a surfactant when emulsifying these polysiloxanes, the adsorption of the polysiloxane to the base material is improved. For this reason, there has been a high demand for emulsions in which polysiloxanes with a high degree of polymerization are emulsified with cationic surfactants.

ポリシロキサンのエマルション化で一般的な方法は、ポリシロキサンと界面活性剤を乳化機の機械的なシェアで水中に乳化分散させる方法であるが、高重合度のポリシロキサンでは粘度が高すぎて均一に機械的なシェアをかけることができず、安定なエマルションを得ることはできない。 A common method for emulsifying polysiloxane is to emulsify and disperse polysiloxane and surfactant in water using the mechanical shear of an emulsifier, but polysiloxane with a high degree of polymerization has too high a viscosity and cannot be uniformly dispersed. It is not possible to apply a mechanical shear to the emulsion, making it impossible to obtain a stable emulsion.

高重合度のポリシロキサンエマルションを得る方法としては、シロキサンモノマーのエマルションを、酸又はアルカリ触媒を用いて、エマルション中で重合させる乳化重合法(特許文献1、2)が知られている。しかしながら、このような乳化重合法においては、文献記載の塩化セチルトリメチルアンモニウムに代表される4級アンモニウム塩のようなカチオン系界面活性剤を使用した場合には、重合速度が極めて遅い為に高重合度化するのに長時間を要する。工業的に実用的限界と考えられる150時間程度の重合を行っても、ポリシロキサンは抽出後の粘度が数万mPa・sレベルまでしか重合しない。 As a method for obtaining a polysiloxane emulsion with a high degree of polymerization, an emulsion polymerization method (Patent Documents 1 and 2) is known in which an emulsion of siloxane monomers is polymerized in the emulsion using an acid or alkali catalyst. However, in such an emulsion polymerization method, when a cationic surfactant such as a quaternary ammonium salt represented by cetyltrimethylammonium chloride described in the literature is used, the polymerization rate is extremely slow, resulting in high polymerization. It takes a long time to warm up. Even if polymerization is carried out for about 150 hours, which is considered to be the industrially practical limit, polysiloxane will only polymerize to a viscosity of several tens of thousands of mPa·s after extraction.

高重合度ポリシロキサンのカチオン系エマルションを得る方法として、シラノレート触媒で重合する方法(特許文献3)、アンモニウムハイドロキサイド触媒で重合する方法(特許文献4)も提案されているが、同様に重合度レベルが不十分である。 As a method for obtaining a cationic emulsion of highly polymerized polysiloxane, a method of polymerizing with a silanolate catalyst (Patent Document 3) and a method of polymerizing with an ammonium hydroxide catalyst (Patent Document 4) have also been proposed; degree level is insufficient.

また、アニオン系界面活性剤で高重合ポリシロキサンエマルションを製造した後にカチオン系界面活性剤を添加する方法(特許文献5、6)も提案されているが、アニオン系界面活性剤を併用しているので安定性に問題がある。 Additionally, a method in which a cationic surfactant is added after producing a highly polymerized polysiloxane emulsion using an anionic surfactant (Patent Documents 5 and 6) has been proposed, but anionic surfactants are also used in combination. Therefore, there is a problem with stability.

更に、2段階の温度条件で重合を行う方法(特許文献7)も提案されているが、高重合度化するには長時間の重合時間を要するといった問題がある。 Furthermore, a method (Patent Document 7) in which polymerization is carried out under two-step temperature conditions has been proposed, but there is a problem in that a long polymerization time is required to achieve a high degree of polymerization.

また近年、繊維処理剤分野において、高重合度ポリシロキサンだけでは達成が困難なレベルの洗濯耐久性を要求されることが多くなってきている。高重合度ポリシロキサンのエマルションにシリカなどの被膜補強剤を添加することによって被膜の強度を高めて耐久性を向上させる例もあるが、シリカの添加により安定性が低下してしまうことや、製造工程が増えるなどの問題もある。 In addition, in recent years, in the field of textile treatment agents, there has been an increasing demand for a level of washing durability that is difficult to achieve with high polymerization degree polysiloxanes alone. In some cases, adding a film reinforcing agent such as silica to a highly polymerized polysiloxane emulsion increases the strength of the film and improves its durability. There are also problems such as an increase in the number of steps.

特公昭41-13995号公報Special Publication No. 41-13995 特公昭56-38609号公報Special Publication No. 56-38609 特開平08-104752号公報Japanese Patent Application Publication No. 08-104752 特開2001-106787号公報Japanese Patent Application Publication No. 2001-106787 特開平09-137062号公報Japanese Patent Application Publication No. 09-137062 特開平10-140480号公報Japanese Patent Application Publication No. 10-140480 特開平09-278626号公報Japanese Patent Application Publication No. 09-278626

本発明は、上記事情に鑑みなされたもので、粘度が300,000mP・s以上と高く、かつ安定性及び耐久性が良好なポリオルガノシロキサンのカチオン系エマルション組成物を提供することを目的とする。本発明は、そのようなエマルション組成物を比較的短時間で重合させることができる製造方法を提供することを目的とする。 The present invention was made in view of the above circumstances, and an object thereof is to provide a cationic emulsion composition of polyorganosiloxane that has a high viscosity of 300,000 mPa · s or more and has good stability and durability. do. An object of the present invention is to provide a manufacturing method that can polymerize such an emulsion composition in a relatively short time.

上記目的を解決するために、本発明は、
(A)下記平均組成式(1)で表される、25℃における粘度が300,000mPa・s以上のポリオルガノシロキサン: 100質量部、

Figure 0007368217000001
(式中、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、Rは、互いに独立に、上記Rの選択肢から選ばれる基、ヒドロキシ基、又は炭素数1~20のアルコキシ基であり、a、b、c、dは該ポリオルガノシロキサンの25℃における粘度が300,000mPa・s以上を満たす値であり、a≧2、c+d≧1である。)
(B-1)カチオン系界面活性剤:Q (CH)N・X: 0.1~30質量部、
(ここで、Qは、同一又は異種の炭素数6~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(B-2)カチオン系界面活性剤:Q(CH・X: 0.1~30質量部、
(ここで、Qは、炭素数17~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(C)水: 30~3,000質量部
を含有してなることを特徴とするポリオルガノシロキサンのカチオン系エマルション組成物を提供する。 In order to solve the above object, the present invention
(A) 100 parts by mass of polyorganosiloxane represented by the following average composition formula (1) and having a viscosity of 300,000 mPa·s or more at 25°C,
Figure 0007368217000001
(In the formula, R 1 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and R 2 is independently a group selected from the options for R 1 above, a hydroxy group , or an alkoxy group having 1 to 20 carbon atoms, a, b, c, and d are values that satisfy the viscosity of the polyorganosiloxane at 25°C of 300,000 mPa·s or more, a≧2, c+d≧1 )
(B-1) Cationic surfactant: Q 1 3 (CH 3 )N + ·X : 0.1 to 30 parts by mass,
(Here, Q 1 is the same or different monovalent organic group having 6 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(B-2) Cationic surfactant: Q 2 (CH 3 ) 3 N + ·X : 0.1 to 30 parts by mass,
(Here, Q 2 is a monovalent organic group having 17 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(C) Water: Provided is a cationic emulsion composition of polyorganosiloxane, characterized in that it contains 30 to 3,000 parts by mass.

このようなポリオルガノシロキサンのカチオン系エマルション組成物は、粘度が高い高重合ポリオルガノシロキサンのカチオン系エマルション組成物であり、かつ、安定性が良好であり、また耐久性も良好である。 Such a cationic emulsion composition of polyorganosiloxane is a cationic emulsion composition of highly polymerized polyorganosiloxane having a high viscosity, and has good stability and durability.

このとき、本発明のエマルション組成物は、更にノニオン系界面活性剤を含むことが好ましい。 At this time, it is preferable that the emulsion composition of the present invention further contains a nonionic surfactant.

このように、カチオン系界面活性剤の他に、ノニオン系界面活性剤を併用することでエマルションの小粒径化が容易になり、これによりエマルションの安定性の向上につながる。 In this way, by using a nonionic surfactant in addition to a cationic surfactant, it becomes easier to reduce the particle size of the emulsion, which leads to improvement in the stability of the emulsion.

また、本発明のエマルション組成物は、乾燥後に被膜を形成するものであることが好ましい。 Further, the emulsion composition of the present invention preferably forms a film after drying.

このように、本発明のエマルション化合物は、乾燥して被膜を形成することが可能である。 In this way, the emulsion compound of the present invention can be dried to form a film.

また、本発明は、上記のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする繊維処理剤を提供する。 The present invention also provides a fiber treatment agent characterized by containing the above-mentioned cationic emulsion composition of polyorganosiloxane.

また、本発明は、上記のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする離型剤を提供する。 The present invention also provides a mold release agent characterized by containing the above-mentioned cationic emulsion composition of polyorganosiloxane.

また、本発明は、上記のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする撥水剤を提供する。 The present invention also provides a water repellent characterized by containing the above-mentioned cationic emulsion composition of polyorganosiloxane.

また、本発明は、上記のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする化粧料を提供する。 The present invention also provides a cosmetic composition containing the above-mentioned cationic emulsion composition of polyorganosiloxane.

また、本発明は、上記のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする毛髪用化粧料を提供する。 The present invention also provides a hair cosmetic composition comprising the above-mentioned cationic emulsion composition of polyorganosiloxane.

このように、本発明のポリオルガノシロキサンのカチオン系エマルション組成物は、繊維処理剤、離型剤、撥水剤、化粧料、毛髪用化粧料に含まれる成分として好適に使用することができる。 Thus, the polyorganosiloxane cationic emulsion composition of the present invention can be suitably used as a component included in fiber treatment agents, mold release agents, water repellents, cosmetics, and hair cosmetics.

また、本発明は、
(D)一般式:HO-[R SiO]-Hで表される両末端ヒドロキシポリジオルガノシロキサン(ここで、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、jは該両末端ヒドロキシポリジオルガノシロキサンの25℃における粘度が2,000mPa・s未満を満たす値である。): 100質量部、
(E)下記に示されるいずれか1つ又は2つ以上のオルガノアルコキシシラン:0~20質量部
Si(OR、RSi(OR、R Si(OR、R Si(OR
(ここで、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基である。)、
(B-1)カチオン系界面活性剤:Q (CH)N・X: 0.1~30質量部、
(ここで、Qは同一又は異種の炭素数6~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(B-2)カチオン系界面活性剤:Q(CH・X: 0.1~30質量部、
(ここで、Qは炭素数17~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(C)水: 30~3,000質量部
を乳化分散させて得られるエマルションを、アルカリ触媒存在下、0~30℃で1~150時間重合を行い、更に中和を行うことを特徴とするポリオルガノシロキサンのカチオン系エマルション組成物の製造方法を提供する。
Moreover, the present invention
(D) A double-terminated hydroxypolydiorganosiloxane represented by the general formula: HO-[R 1 2 SiO] j -H (where R 1 is independently a hydrogen atom or a carbon number of 1 to 20 is a monovalent organic group, and j is a value that satisfies the viscosity of the both-terminated hydroxypolydiorganosiloxane at 25°C of less than 2,000 mPa s): 100 parts by mass,
(E) Any one or more organoalkoxysilanes shown below: 0 to 20 parts by mass Si(OR 3 ) 4 , R 1 Si(OR 3 ) 3 , R 1 2 Si(OR 3 ) 2 , R 1 3 Si (OR 3 )
(Here, R 1 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and R 3 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. ),
(B-1) Cationic surfactant: Q 1 3 (CH 3 )N + ·X : 0.1 to 30 parts by mass,
(Here, Q 1 is the same or different monovalent organic group having 6 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(B-2) Cationic surfactant: Q 2 (CH 3 ) 3 N + ·X : 0.1 to 30 parts by mass,
(Here, Q 2 is a monovalent organic group having 17 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(C) Water: An emulsion obtained by emulsifying and dispersing 30 to 3,000 parts by mass is polymerized at 0 to 30°C for 1 to 150 hours in the presence of an alkali catalyst, and is further neutralized. A method for producing a cationic emulsion composition of polyorganosiloxane is provided.

このようなエマルション組成物の製造方法であれば、粘度が高い高重合ポリオルガノシロキサンのカチオン系エマルション組成物であって、安定性が良好であり、また耐久性も良好であるものを、比較的短時間で重合させることができる。 With this method of producing an emulsion composition, a cationic emulsion composition of highly polymerized polyorganosiloxane with high viscosity, good stability, and good durability can be produced relatively easily. It can be polymerized in a short time.

本発明のポリオルガノシロキサンのカチオン系エマルション組成物は、粘度が高い高重合ポリオルガノシロキサンのカチオン系エマルション組成物であり、かつ、安定性が良好であり、また耐久性も良好である。また、このエマルション組成物は、単独で被膜を形成可能であり、更にその被膜の耐久性も良好とすることができる。このようなエマルション組成物は、繊維処理剤、離型剤、撥水剤、化粧料、毛髪用化粧料等として好適に用いることができる。 The cationic emulsion composition of polyorganosiloxane of the present invention is a cationic emulsion composition of highly polymerized polyorganosiloxane with high viscosity, and has good stability and durability. Further, this emulsion composition can form a film by itself, and the durability of the film can also be improved. Such an emulsion composition can be suitably used as a fiber treatment agent, a mold release agent, a water repellent, a cosmetic, a hair cosmetic, and the like.

また、本発明のポリオルガノシロキサンのカチオン系エマルション組成物の製造方法は、そのようなエマルション組成物を比較的短時間で重合させることができるので、工業的にも有用である。 Furthermore, the method for producing a cationic emulsion composition of polyorganosiloxane of the present invention is industrially useful because such an emulsion composition can be polymerized in a relatively short time.

本発明者は、上記目的を達成するために鋭意検討を重ねた結果、
(D)一般式:HO-[R SiO]-Hで表される両末端ヒドロキシポリジオルガノシロキサン(ここで、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、jは該両末端ヒドロキシポリジオルガノシロキサンの25℃における粘度が2,000mPa・s未満を満たす値である。): 100質量部、
(E)下記に示されるいずれか1つ又は2つ以上のオルガノアルコキシシラン:0~20質量部
Si(OR、RSi(OR、R Si(OR、R Si(OR
(ここで、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基である。)、
(B-1)カチオン系界面活性剤:Q (CH)N・X: 0.1~30質量部、
(ここで、Qは同一又は異種の炭素数6~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(B-2)カチオン系界面活性剤:Q(CH・X: 0.1~30質量部、
(ここで、Qは炭素数17~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(C)水: 30~3,000質量部
を乳化分散させて得られるエマルションを、アルカリ触媒存在下、0~30℃で1~150時間重合を行い、更に中和を行うことにより、該エマルションを比較的短時間で重合させることができることを見出した。また、本発明者らは、これにより(A)成分として、下記平均組成式(1)で表される、25℃における粘度が300,000mPa・s以上のポリオルガノシロキサンを含有したカチオン系エマルション組成物が得られ、このエマルション組成物は、安定性が良好であり、また耐久性も良好であることを見出し、本発明をなすに至った。

Figure 0007368217000002
(式中、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、Rは、互いに独立に、上記Rの選択肢から選ばれる基、ヒドロキシ基、又は炭素数1~20のアルコキシ基であり、a、b、c、dは該ポリオルガノシロキサンの25℃における粘度が300,000mPa・s以上を満たす値であり、a≧2、c+d≧1である。) As a result of extensive studies to achieve the above object, the inventor has found that:
(D) A double-terminated hydroxypolydiorganosiloxane represented by the general formula: HO-[R 1 2 SiO] j -H (where R 1 is independently a hydrogen atom or a carbon number of 1 to 20 is a monovalent organic group, and j is a value that satisfies the viscosity of the both-terminated hydroxypolydiorganosiloxane at 25°C of less than 2,000 mPa s): 100 parts by mass,
(E) Any one or more organoalkoxysilanes shown below: 0 to 20 parts by mass Si(OR 3 ) 4 , R 1 Si(OR 3 ) 3 , R 1 2 Si(OR 3 ) 2 , R 1 3 Si (OR 3 )
(Here, R 1 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and R 3 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. ),
(B-1) Cationic surfactant: Q 1 3 (CH 3 )N + ·X : 0.1 to 30 parts by mass,
(Here, Q 1 is the same or different monovalent organic group having 6 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(B-2) Cationic surfactant: Q 2 (CH 3 ) 3 N + ·X : 0.1 to 30 parts by mass,
(Here, Q 2 is a monovalent organic group having 17 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(C) Water: An emulsion obtained by emulsifying and dispersing 30 to 3,000 parts by mass is polymerized at 0 to 30°C for 1 to 150 hours in the presence of an alkali catalyst, and further neutralized to form an emulsion. It has been found that it is possible to polymerize in a relatively short time. The present inventors have also developed a cationic emulsion composition containing, as component (A), a polyorganosiloxane having a viscosity of 300,000 mPa·s or more at 25°C, which is represented by the following average composition formula (1). It has been found that this emulsion composition has good stability and good durability, and has led to the present invention.
Figure 0007368217000002
(In the formula, R 1 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and R 2 is independently a group selected from the options for R 1 above, a hydroxy group , or an alkoxy group having 1 to 20 carbon atoms, a, b, c, and d are values that satisfy the viscosity of the polyorganosiloxane at 25°C of 300,000 mPa·s or more, a≧2, c+d≧1 )

このような300,000mPa・s以上の高粘度のポリオルガノシロキサンは一般に高重合度のものである。そのため、本発明の説明の際に、高重合度ポリオルガノシロキサンのカチオン系エマルション組成物と称することがある。 Such polyorganosiloxanes having a high viscosity of 300,000 mPa·s or more generally have a high degree of polymerization. Therefore, when describing the present invention, it may be referred to as a cationic emulsion composition of highly polymerized polyorganosiloxane.

以下、本発明について実施の形態を説明するが、本発明はこれに限定されるものではない。 Embodiments of the present invention will be described below, but the present invention is not limited thereto.

まず、本発明のポリオルガノシロキサンのカチオン系エマルション組成物の各成分について説明する。 First, each component of the polyorganosiloxane cationic emulsion composition of the present invention will be explained.

[(A)成分]
(A)成分は、下記平均組成式(1)で表される、25℃における粘度が300,000mPa・s以上のポリオルガノシロキサンである。本発明のエマルション組成物において、この(A)成分は、100質量部含有される。

Figure 0007368217000003
(式中、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、Rは、互いに独立に、上記Rの選択肢から選ばれる基、ヒドロキシ基、又は炭素数1~20のアルコキシ基であり、a、b、c、dは該ポリオルガノシロキサンの25℃における粘度が300,000mPa・s以上を満たす値であり、a≧2、c+d≧1である。) [(A) Component]
Component (A) is a polyorganosiloxane represented by the following average composition formula (1) and having a viscosity of 300,000 mPa·s or more at 25°C. In the emulsion composition of the present invention, this component (A) is contained in an amount of 100 parts by mass.
Figure 0007368217000003
(In the formula, R 1 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and R 2 is independently a group selected from the options for R 1 above, a hydroxy group , or an alkoxy group having 1 to 20 carbon atoms, a, b, c, and d are values that satisfy the viscosity of the polyorganosiloxane at 25°C of 300,000 mPa·s or more, a≧2, c+d≧1 )

上記のように、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基である。炭素数1~20の1価有機基としては、直鎖、分岐鎖または環状のいずれでもよく、具体的には、メチル、エチル、プロピル、ブチル、ペンチル、ヘキシル、ヘプチル、オクチル、ノニル、デシル、ドデシル、テトラデシル、ヘキサデシル、オクタデシル、シクロペンチル、シクロヘキシル、シクロヘプチルなどのアルキル基、フェニル、トリル、ナフチルなどのアリール基、ビニル、アリルなどのアルケニル基、或いはこれらの有機基構造中の水素原子の一部をハロゲン原子や、アミノ、アクリロキシ、メタクリロキシ、エポキシ、メルカプト等の極性基含有の有機基で置換したものなどが挙げられる。ここで、Rの80%以上はメチル基であることが工業的及び特性的に望ましい。 As mentioned above, R 1 are each independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. The monovalent organic group having 1 to 20 carbon atoms may be linear, branched or cyclic, and specifically includes methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, Alkyl groups such as dodecyl, tetradecyl, hexadecyl, octadecyl, cyclopentyl, cyclohexyl, and cycloheptyl; aryl groups such as phenyl, tolyl, and naphthyl; alkenyl groups such as vinyl and allyl; or some of the hydrogen atoms in these organic group structures. Examples include those substituted with a halogen atom or an organic group containing a polar group such as amino, acryloxy, methacryloxy, epoxy, or mercapto. Here, it is desirable industrially and characteristically that 80% or more of R 1 is a methyl group.

また、上記のように、Rは、互いに独立に、上記のRの選択肢から選ばれる基、又は、ヒドロキシ基、若しくは炭素数1~20のアルコキシ基である。炭素数1~20のアルコキシ基としては、直鎖、分岐鎖または環状のいずれでもよく、具体的には、メトキシ基、エトキシ基、プロパノキシ基、ブトキシ基、ペンチルオキシ基、ヘキシルオキシ基、オクチルオキシ基、デシルオキシ基、ドデシルオキシ基、2-エチルヘキシルオキシ基等が挙げられ、メトキシ基、エトキシ基、プロパノキシ基、ブトキシ基、ペンチルオキシ基が好ましく、メトキシ基、エトキシ基、プロパノキシ基が更に好ましい。 Furthermore, as described above, R 2 is independently a group selected from the options for R 1 above, a hydroxy group, or an alkoxy group having 1 to 20 carbon atoms. The alkoxy group having 1 to 20 carbon atoms may be linear, branched, or cyclic, and specifically includes methoxy, ethoxy, propanoxy, butoxy, pentyloxy, hexyloxy, and octyloxy. group, decyloxy group, dodecyloxy group, 2-ethylhexyloxy group, etc., with methoxy group, ethoxy group, propanoxy group, butoxy group, and pentyloxy group being preferred, and methoxy group, ethoxy group, and propanoxy group being more preferred.

上記平均組成式(1)中に、反応性官能基が存在する場合、その反応性官能基は他の化合物と反応していても良い。具体的には、上記平均組成式(1)中にアミノ基が存在する場合、エポキシ基含有ポリオキシアルキレン化合物やエポキシ基含有アルキル化合物との開環反応をしていても良く、また、無水酢酸や、無水プロピオン酸、無水シュウ酸、無水コハク酸、無水マレイン酸、無水フタル酸、無水安息香酸といったカルボン酸無水物とのアセチル化反応をしていても良い。また、上記平均組成式(1)中にエポキシ基が存在する場合、アミノ基含有化合物と開環反応をしていても良い。なお、上記に示した反応性官能基との反応はこれらに限定されるものではない。 When a reactive functional group is present in the average compositional formula (1), the reactive functional group may react with another compound. Specifically, when an amino group exists in the above average composition formula (1), it may undergo a ring-opening reaction with an epoxy group-containing polyoxyalkylene compound or an epoxy group-containing alkyl compound, and acetic anhydride Alternatively, an acetylation reaction may be carried out with a carboxylic acid anhydride such as propionic anhydride, oxalic anhydride, succinic anhydride, maleic anhydride, phthalic anhydride, or benzoic anhydride. Further, when an epoxy group is present in the above average compositional formula (1), it may undergo a ring-opening reaction with an amino group-containing compound. Note that the reactions with the reactive functional groups shown above are not limited to these.

上記平均組成式(1)中のa、b、c、dは、ポリオルガノシロキサンの25℃における粘度が300,000mPa・s以上を満たす値であり、400,000mPa・s以上を満たす値がより好ましく、500,000mPa・s以上を満たす値が更に好ましい。なお、この粘度は絶対粘度であって、液状で測定できるものはそのまま、粘度が高すぎて測定できないものはトルエン溶解粘度を、回転粘度計により、25℃で測定した値である。また、a≧2、c+d≧1である。 In the above average compositional formula (1), a, b, c, and d are values that satisfy the viscosity of the polyorganosiloxane at 25°C of 300,000 mPa・s or more, and values that satisfy 400,000 mPa・s or more are more preferable. Preferably, a value satisfying 500,000 mPa·s or more is more preferable. Note that this viscosity is an absolute viscosity, and those that can be measured in liquid form are as-is, and those whose viscosity is too high to be measured are toluene dissolution viscosity, measured at 25 ° C. with a rotational viscometer. Further, a≧2 and c+d≧1.

上記平均組成式(1)中のbは、典型的には50以上、好ましくは100以上の値を取り得る。ただし、c+dの値が大きい場合は架橋単位が増えるため、bが50以下でも粘度が300,000mPa・s以上となる場合もある。 b in the above average compositional formula (1) typically takes a value of 50 or more, preferably 100 or more. However, when the value of c+d is large, the number of crosslinking units increases, so even if b is 50 or less, the viscosity may be 300,000 mPa·s or more.

(A)成分の具体例としては、下記平均組成式が挙げられるが、これらに限定されるものではない。下記平均組成式中、a、b、c、d、e、fは、ポリオルガノシロキサンの25℃における粘度が300,000mPa・s以上を満たす値であり、a≧2、c+d≧1である。また、下記平均組成式中のb+e+fは、典型的には50以上、好ましくは100以上の値を取り得る。 Specific examples of component (A) include, but are not limited to, the following average composition formula. In the average composition formula below, a, b, c, d, e, and f are values that satisfy the viscosity of the polyorganosiloxane at 25° C. of 300,000 mPa·s or more, and a≧2 and c+d≧1. Further, b+e+f in the average composition formula below typically takes a value of 50 or more, preferably 100 or more.

Figure 0007368217000004
Figure 0007368217000004

Figure 0007368217000005
Figure 0007368217000005

Figure 0007368217000006
Figure 0007368217000006

[(B-1)成分及び(B-2)成分]
(B-1)成分及び(B-2)成分は以下の通りである。
(B-1)カチオン系界面活性剤:Q (CH)N・X(ここで、Qは、同一又は異種の炭素数6~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(B-2)カチオン系界面活性剤:Q(CH・X(ここで、Qは、炭素数17~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
[(B-1) component and (B-2) component]
The components (B-1) and (B-2) are as follows.
(B-1) Cationic surfactant: Q 1 3 (CH 3 )N +・X (where, Q 1 is the same or different monovalent organic group having 6 to 30 carbon atoms, and X is a halogen atom) or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(B-2) Cationic surfactant: Q 2 (CH 3 ) 3 N +・X (where Q 2 is a monovalent organic group having 17 to 30 carbon atoms, and X is a halogen atom or a carbon number 1 ~6 monovalent carboxyl group)

本発明のエマルション組成物において、(A)成分100質量部に対して、(B-1)成分が0.1~30質量部含有され、(B-2)成分が0.1~30質量部含有される。 In the emulsion composition of the present invention, component (B-1) is contained in 0.1 to 30 parts by mass, and component (B-2) is contained in 0.1 to 30 parts by mass with respect to 100 parts by mass of component (A). Contains.

これら(B-1)成分及び(B-2)成分であるカチオン系界面活性剤は、ポリオルガノシロキサンを水中へ乳化分散させるためのものであるが、本発明者らは(B-1)及び(B-2)成分の作用機構について、乳化剤としての作用機構以外にも次のような作用機構を考えている。本発明のポリオルガノシロキサンのカチオン系エマルション組成物の製造方法において、ポリオルガノシロキサンを水中へ乳化分散した後に、アルカリ触媒を加えた際に水相に生じるOHと(B-1)及び(B-2)成分であるカチオン系界面活性剤の対イオンが交換することにより、カチオン系界面活性剤自体も触媒として作用し、その結果、より効率的に(A)成分のポリオルガノシロキサンを高重合度化することができると考えられる。 These cationic surfactants, which are components (B-1) and (B-2), are for emulsifying and dispersing polyorganosiloxane in water. Regarding the mechanism of action of component (B-2), the following mechanism of action is considered in addition to the mechanism of action as an emulsifier. In the method for producing a cationic emulsion composition of polyorganosiloxane of the present invention, after emulsifying and dispersing polyorganosiloxane in water, when an alkali catalyst is added, OH -, (B-1) and (B -2) By exchanging the counter ions of the cationic surfactant component, the cationic surfactant itself acts as a catalyst, and as a result, the polyorganosiloxane component (A) can be highly polymerized more efficiently. It is thought that it can be moderated.

(B-1)成分であるカチオン系界面活性剤は、上記のように、Q (CH)N・Xで示されるカチオン系界面活性剤であり、Qは同一又は異種の炭素数6~30の1価有機基であり、好ましくは7~18の1価有機基である。Qの炭素数が6より小さい場合には、界面活性剤の親水性が強すぎて(A)成分のポリオルガノシロキサンとの接触頻度が少なくなり、ポリオルガノシロキサンを高重合度化するのに長時間の重合を必要とする。また、Qの炭素数が30より大きい場合には界面活性剤としての乳化力が弱く、安定なエマルションを得ることができない場合がある。 As mentioned above, the cationic surfactant which is the component (B-1) is a cationic surfactant represented by Q 1 3 (CH 3 )N + ·X , where Q 1 is the same or different type. A monovalent organic group having 6 to 30 carbon atoms, preferably a monovalent organic group having 7 to 18 carbon atoms. When the number of carbon atoms in Q1 is less than 6, the hydrophilicity of the surfactant is too strong and the frequency of contact with the polyorganosiloxane of component (A) is reduced, making it difficult to increase the degree of polymerization of the polyorganosiloxane. Requires long polymerization. Furthermore, when the number of carbon atoms in Q1 is greater than 30, the emulsifying power as a surfactant is weak, and a stable emulsion may not be obtained in some cases.

の具体例としては、ヘキシル、ヘプチル、オクチル、ノニル、デシル、ウンデシル、ドデシル、トリデシル、テトラデシル、ペンタデシル、ヘキサデシル、ヘプタデシル、オクタデシル、ノナデシル、エイコシル、ドコサニル、シクロペンチル、シクロヘキシル、シクロヘプチルなどのアルキル基、フェニル、ベンジル、トリル、ナフチルなどのアリール基、オレイルなどのアルケニル基等が挙げられる。中でもオクチル、ドデシル、ヘキサデシル、オクタデシルが好ましい。 Specific examples of Q1 include alkyl groups such as hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, eicosyl, docosanyl, cyclopentyl, cyclohexyl, and cycloheptyl. , phenyl, benzyl, tolyl, naphthyl and other aryl groups, and oleyl and other alkenyl groups. Among these, octyl, dodecyl, hexadecyl, and octadecyl are preferred.

また、Xは、ハロゲンイオン又は炭素数1~6の1価カルボキシルイオンであり、具体的にはCl、Br、Iなどのハロゲンイオン、HCOO、CHCOO、CCOOなどのカルボキシルイオンが挙げられる。中でもCl、HCOO、CHCOOが好ましい。 In addition, X is a halogen ion or a monovalent carboxyl ion having 1 to 6 carbon atoms, specifically, a halogen ion such as Cl , Br , I , HCOO , CH 3 COO , C 2 H Examples include carboxyl ions such as 5 COO - . Among them, Cl , HCOO and CH 3 COO are preferable.

(B-1)成分の具体例としては、トリヘキシルメチルアンモニウムクロライド、トリヘプチルメチルアンモニウムクロライド、トリオクチルメチルアンモニウムクロライド、トリノニルメチルアンモニウムクロライド、トリデシルメチルアンモニウムクロライド、トリラウリルメチルアンモニウムクロライド、トリオクチルメチルアンモニウムアセテート、トリラウリルメチルアンモニウムアセテート等が挙げられるが、これらに限定されるものではない。 Specific examples of component (B-1) include trihexylmethylammonium chloride, triheptylmethylammonium chloride, trioctylmethylammonium chloride, trinonylmethylammonium chloride, tridecylmethylammonium chloride, trilaurylmethylammonium chloride, trioctyl Examples include, but are not limited to, methylammonium acetate and trilaurylmethylammonium acetate.

(B-1)成分のカチオン系界面活性剤の使用量としては、(A)成分100質量部に対して、0.1~30質量部用いることができ、好ましくは0.5~20質量部、より好ましくは1~15質量部である。0.1質量部より少ない場合には、(A)成分が重合過程で効率よく高重合度化することができない場合があり、また、30質量部より多い場合にはエマルションの安定性が不安定になりやすい。 The amount of the cationic surfactant (B-1) used can be 0.1 to 30 parts by weight, preferably 0.5 to 20 parts by weight, per 100 parts by weight of component (A). , more preferably 1 to 15 parts by mass. If it is less than 0.1 parts by mass, component (A) may not be able to efficiently increase the degree of polymerization during the polymerization process, and if it is more than 30 parts by mass, the stability of the emulsion may become unstable. easy to become.

また、(B-2)成分のカチオン系界面活性剤は、上記のように、Q(CH・Xで示されるカチオン系界面活性剤でありエマルションの安定性を向上させることができる。ここで、Qは、炭素数17~30の1価有機基であり、好ましくは18~28の1価有機基である。Qの炭素数が17より小さい場合には、(B-1)で示されるカチオン系界面活性剤との相溶性が悪くエマルションの安定性が低下してしまう場合がある。Qの炭素数が30より大きい場合には、Qの場合と同様に、界面活性剤としての乳化力が弱く、安定なエマルションを得ることができない場合がある。QのXは、上記QのXと同じである。 In addition, the cationic surfactant of component (B-2) is a cationic surfactant represented by Q 2 (CH 3 ) 3 N + ·X as described above, and improves the stability of the emulsion. be able to. Here, Q 2 is a monovalent organic group having 17 to 30 carbon atoms, preferably a monovalent organic group having 18 to 28 carbon atoms. If the number of carbon atoms in Q 2 is smaller than 17, the compatibility with the cationic surfactant represented by (B-1) may be poor, resulting in a decrease in the stability of the emulsion. When the number of carbon atoms in Q 2 is greater than 30, as in the case of Q 1 , the emulsifying power as a surfactant is weak, and a stable emulsion may not be obtained. X - in Q 2 is the same as X - in Q 1 above.

(B-2)成分の具体例としては、ステアリルトリメチルアンモニウムクロライド、イコシルトリメチルアンモニウムクロライド、ベヘニルトリメチルアンモニウムクロライド、ステアリルトリメチルアンモニウムアセテート、イコシルトリメチルアンモニウムアセテート、ベヘニルトリメチルアンモニウムアセテート等が挙げられるが、これらに限定されるものではない。 Specific examples of component (B-2) include stearyltrimethylammonium chloride, icosyltrimethylammonium chloride, behenyltrimethylammonium chloride, stearyltrimethylammonium acetate, icosyltrimethylammonium acetate, behenyltrimethylammonium acetate, etc. It is not limited to.

(B-2)成分のカチオン系界面活性剤の使用量としては、(A)成分100質量部に対して、0.1~30質量部用いることができ、好ましくは0.5~20質量部、より好ましくは1~15質量部である。0.1質量部より少ない場合にはエマルションの安定性が不安定になりやすく、30質量部より多い場合には(A)成分が重合過程で効率よく高重合度化することができない場合がある。 The amount of the cationic surfactant (B-2) used can be 0.1 to 30 parts by weight, preferably 0.5 to 20 parts by weight, per 100 parts by weight of component (A). , more preferably 1 to 15 parts by mass. If it is less than 0.1 part by mass, the stability of the emulsion tends to become unstable, and if it is more than 30 parts by mass, component (A) may not be able to efficiently increase the degree of polymerization during the polymerization process. .

(B-1)成分は(B-2)成分と比べて疎水性が高いため、(A)成分のポリオルガノシロキサンとの接触頻度が高く、より重合速度を速める効果が期待できる一方で、疎水性が高すぎて乳化能が劣る場合がある。そのため、(B-1)のみ使用する場合、エマルションの組成や、粒径、粘度、pH等の条件によってはエマルションの経時安定性が悪くなってしまう場合がある。そこで、(B-1)成分と比較して乳化能が高い(B-2)成分を併用することによって重合速度を速めたまま、エマルションの安定性を高めることができる。 Since component (B-1) is more hydrophobic than component (B-2), it comes into contact with the polyorganosiloxane of component (A) more frequently, and is expected to have the effect of increasing the polymerization rate. If the emulsifying ability is too high, the emulsifying ability may be poor. Therefore, when only (B-1) is used, the stability of the emulsion over time may deteriorate depending on the emulsion composition, particle size, viscosity, pH, and other conditions. Therefore, by jointly using component (B-2), which has a higher emulsifying ability than component (B-1), it is possible to increase the stability of the emulsion while increasing the polymerization rate.

また、本発明のポリオルガノシロキサンのカチオン系エマルション組成物においては、カチオン系界面活性剤の他に、ノニオン系界面活性剤を併用することでエマルションの小粒径化が容易になり、これによりエマルションの安定性の向上につながる。ノニオン系界面活性剤としては、ポリオキシアルキレンアルキルエーテル、ポリオキシアルキレンアルキルフェニルエーテル、ポリオキシアルキレンアルキルエステル、ポリオキシアルキレンソルビタンアルキルエステル、ポリエチレングリコール、ポリプロピレングリコール、ジエチレングリコール等が例示され、1種単独で又は2種以上を適宜選択して用いることができる。中でも、下記一般式(2)
O(EO)(PO)H (2)
(式中、Rは、炭素原子数8~30の直鎖又は分岐鎖のアルキル基であり、EOはエチレンオキシド基、POはプロピレンオキシド基を示し、それらの配列はブロック状でもランダム状でもよい。p及びqは独立に0~100の整数であり、ただし、p+q>0である。)で表されるものが好ましい。特には、上記一般式(2)において、Rは炭素原子数8~18の直鎖又は分岐鎖のアルキル基が好ましく、p、qは独立に0~25、0<p+q≦50が好ましい。
In addition, in the cationic emulsion composition of polyorganosiloxane of the present invention, by using a nonionic surfactant in addition to the cationic surfactant, it is easy to reduce the particle size of the emulsion. This leads to improved stability. Examples of nonionic surfactants include polyoxyalkylene alkyl ether, polyoxyalkylene alkylphenyl ether, polyoxyalkylene alkyl ester, polyoxyalkylene sorbitan alkyl ester, polyethylene glycol, polypropylene glycol, diethylene glycol, etc. Alternatively, two or more types can be appropriately selected and used. Among them, the following general formula (2)
R 4 O (EO) P (PO) q H (2)
(In the formula, R 4 is a linear or branched alkyl group having 8 to 30 carbon atoms, EO is an ethylene oxide group, and PO is a propylene oxide group, and their arrangement may be block-like or random-like. .p and q are independently integers from 0 to 100, provided that p+q>0) is preferred. Particularly, in the above general formula (2), R 4 is preferably a linear or branched alkyl group having 8 to 18 carbon atoms, and p and q are preferably independently 0 to 25, and 0<p+q≦50.

また、エマルションの安定性を補う等の目的で、(B-1)成分及び(B-2)成分以外の第4級アンモニウム塩、アルキルアミン酢酸塩等のカチオン系界面活性剤、アルキルベタイン、アルキルイミダゾリン等の両性界面活性剤を添加することは何ら問題ない。 In addition, for the purpose of supplementing the stability of the emulsion, cationic surfactants such as quaternary ammonium salts, alkylamine acetates, alkyl betaines, alkyl There is no problem in adding an amphoteric surfactant such as imidazoline.

[(C)成分]
本発明のエマルション組成物は、(C)成分として水を、(A)成分100質量部に対して30~3,000質量部、好ましくは40~2,400質量部配合する。水が少なすぎると油中水型エマルションとならず、多すぎると不経済である。
[(C) Component]
The emulsion composition of the present invention contains 30 to 3,000 parts by weight, preferably 40 to 2,400 parts by weight of water as component (C) per 100 parts by weight of component (A). If the water content is too small, a water-in-oil emulsion will not be obtained, and if the water content is too large, it will be uneconomical.

[エマルション組成物の製造方法]
次に、本発明のエマルション組成物の製造方法は、以下の通りである。すなわち、
(D)一般式:HO-[R SiO]-Hで表される両末端ヒドロキシポリジオルガノシロキサン(ここで、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、jは該両末端ヒドロキシポリジオルガノシロキサンの25℃における粘度が2,000mPa・s未満を満たす値である。): 100質量部、
(E)下記に示されるいずれか1つ又は2つ以上のオルガノアルコキシシラン:0~20質量部
Si(OR、RSi(OR、R Si(OR、R Si(OR
(ここで、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基である。)、
(B-1)カチオン系界面活性剤:Q (CH)N・X: 0.1~30質量部、
(ここで、Qは同一又は異種の炭素数6~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(B-2)カチオン系界面活性剤:Q(CH・X: 0.1~30質量部、
(ここで、Qは炭素数17~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(C)水: 30~3,000質量部
を乳化分散させて得られるエマルションを、アルカリ触媒存在下、0~30℃で1~150時間重合を行い、更に中和を行うものである。
[Method for producing emulsion composition]
Next, the method for producing the emulsion composition of the present invention is as follows. That is,
(D) A double-terminated hydroxypolydiorganosiloxane represented by the general formula: HO-[R 1 2 SiO] j -H (where R 1 is independently a hydrogen atom or a carbon number of 1 to 20 is a monovalent organic group, and j is a value that satisfies the viscosity of the both-terminated hydroxypolydiorganosiloxane at 25°C of less than 2,000 mPa s): 100 parts by mass,
(E) Any one or more organoalkoxysilanes shown below: 0 to 20 parts by mass Si(OR 3 ) 4 , R 1 Si(OR 3 ) 3 , R 1 2 Si(OR 3 ) 2 , R 1 3 Si (OR 3 )
(Here, R 1 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and R 3 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. ),
(B-1) Cationic surfactant: Q 1 3 (CH 3 )N + ·X : 0.1 to 30 parts by mass,
(Here, Q 1 is the same or different monovalent organic group having 6 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(B-2) Cationic surfactant: Q 2 (CH 3 ) 3 N + ·X : 0.1 to 30 parts by mass,
(Here, Q 2 is a monovalent organic group having 17 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(C) Water: An emulsion obtained by emulsifying and dispersing 30 to 3,000 parts by mass is polymerized in the presence of an alkali catalyst at 0 to 30°C for 1 to 150 hours, and further neutralized.

[(D)成分]
まず、(D)成分である一般式:HO-[R SiO]-Hで表される両末端ヒドロキシポリジオルガノシロキサン(ここで、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、jは該両末端ヒドロキシポリジオルガノシロキサンの25℃における粘度が2,000mPa・s未満を満たす値である。)は、(A)成分であるポリオルガノシロキサンの原料となるものである。
[(D) Component]
First, component (D) is a double-terminated hydroxypolydiorganosiloxane represented by the general formula: HO-[R 1 2 SiO] j -H (where R 1 is independently a hydrogen atom or a carbon is a monovalent organic group having a number of 1 to 20, and j is a value that satisfies the viscosity of the both-terminated hydroxypolydiorganosiloxane at 25°C of less than 2,000 mPa·s. It is a raw material for siloxane.

上記一般式中のjは、典型的には1~400という値を取り得る。 j in the above general formula can typically take a value of 1 to 400.

(D)成分の具体例としては、下記平均組成式が挙げられるが、これらに限定されるものではない。下記平均組成式中のj、k+l、k+l+mは両末端ヒドロキシポリジオルガノシロキサンの25℃における粘度が2,000mPa・s未満を満たす値である。また、下記一般式中のj、k+l、k+l+mは、典型的には1~400という値を取り得る。 Specific examples of component (D) include, but are not limited to, the following average composition formula. In the average compositional formula below, j, k+l, and k+l+m are values that satisfy the viscosity of the both-terminated hydroxypolydiorganosiloxane at 25°C of less than 2,000 mPa·s. Furthermore, j, k+l, and k+l+m in the following general formula can typically take values of 1 to 400.

Figure 0007368217000007
Figure 0007368217000007

[(E)成分]
(E)成分であるオルガノアルコキシシランは、(A)成分となるポリオルガノシロキサンの原料となるものであり、下記一般式のいずれか1つ又は2つ以上のオルガノアルコキシシランである。
Si(OR、RSi(OR、R Si(OR、R Si(OR
ここで、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基である。炭素数1~20の1価有機基としてはメチル、エチル、プロピル、ブチル、ペンチル、ヘキシル、ヘプチル、オクチル、ノニル、デシル、ドデシル、テトラデシル、ヘキサデシル、オクタデシル、シクロペンチル、シクロヘキシル、シクロヘプチルなどのアルキル基、フェニル、トリル、ナフチルなどのアリール基、ビニル、アリルなどのアルケニル基、或いはこれらの有機基構造中の水素原子の一部をハロゲン原子や、アミノ、アクリロキシ、メタクリロキシ、エポキシ、メルカプト等の極性基含有の有機基で置換したものなどが挙げられる。ここで、Rの80%以上はメチル基であることが工業的及び特性的に望ましい。また、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基である。Rの炭素数1~20の1価有機基としては上記Rと同じであり、メチル基、エチル基、プロピル基、ブチル基が好ましく、メチル基、エチル基がさらに好ましい。
[(E) component]
The organoalkoxysilane which is the component (E) is a raw material for the polyorganosiloxane which is the component (A), and is an organoalkoxysilane having one or more of the following general formula.
Si ( OR3 ) 4 , R1Si ( OR3 ) 3 , R12Si ( OR3 ) 2 , R13Si( OR3 )
Here, R 1 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. Examples of monovalent organic groups having 1 to 20 carbon atoms include alkyl groups such as methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, cyclopentyl, cyclohexyl, and cycloheptyl. , phenyl, tolyl, naphthyl, and other aryl groups; vinyl, allyl, and other alkenyl groups; Examples include those substituted with organic groups contained therein. Here, it is desirable industrially and characteristically that 80% or more of R 1 is a methyl group. Furthermore, R 3 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. The monovalent organic group having 1 to 20 carbon atoms in R 3 is the same as R 1 above, and is preferably a methyl group, an ethyl group, a propyl group, or a butyl group, and more preferably a methyl group or an ethyl group.

(E)成分の使用量としては、(D)成分である両末端ヒドロキシポリジオルガノシロキサン100質量部に対し、0~20質量部であり、好ましくは0~15質量部である。(E)成分の配合量が多すぎると被膜化した際に脆くなってしまい耐久性が低下する場合がある。 The amount of component (E) used is 0 to 20 parts by weight, preferably 0 to 15 parts by weight, based on 100 parts by weight of the both-terminated hydroxypolydiorganosiloxane that is component (D). If the amount of component (E) is too large, the coating may become brittle and have reduced durability.

(E)成分の具体例としては、メチルトリメトキシシラン、ジメチルジメトキシシラン、フェニルトリメトキシシラン、メチルトリエトキシシラン、ジメチルジエトキシシラン、フェニルトリエトキシシラン、ヘキシルトリメトキシシラン、ヘキシルトリエトキシシラン、デシルトリメトキシシラン、トリフルオロプロピルトリメトキシシラン、ビニルトリメトキシシラン、ビニルトリエトキシシラン、2-(3,4-エポキシシクロヘキシル)エチルトリメトキシシラン、3-グリシドキシプロピルメチルジメトキシシラン、3-グリシドキシプロピルトリメトキシシラン、3-グリシドキシプロピルメチルジエトキシシラン、3-グリシドキシプロピルトリエトキシシラン、p-スチリルトリメトキシシラン、3-メタクリロキシプロピルメチルジメトキシシラン、3-メタクリロキシプロピルトリメトキシシラン、3-メタクリロキシプロピルメチルジエトキシシラン、3-メタクリロキシプロピルトリエトキシシラン、3-アクリロキシプロピルトリメトキシシラン、N-2-(アミノエチル)-3-アミノプロピルメチルジメトキシシラン、N-2-(アミノエチル)-3-アミノプロピルトリメトキシシラン、3-アミノプロピルトリメトキシシラン、3-アミノプロピルトリエトキシシラン、3-トリエトキシシリル-N-(1,3-ジメチル-ブチリデン)プロピルアミン、N-フェニル-3-アミノプロピルトリメトキシシラン、3-ウレイドプロピルトリエトキシシラン、3-メルカプトプロピルメチルジメトキシシラン、3-メルカプトプロピルトリメトキシシラン、ビス(トリエトキシシリルプロピル)テトラスルフィド、3-イソシアネートプロピルトリエトキシシランなどが挙げられるが、これらに限定されるものではない。 Specific examples of component (E) include methyltrimethoxysilane, dimethyldimethoxysilane, phenyltrimethoxysilane, methyltriethoxysilane, dimethyldiethoxysilane, phenyltriethoxysilane, hexyltrimethoxysilane, hexyltriethoxysilane, decyl Trimethoxysilane, trifluoropropyltrimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane, 3-glycidoxypropylmethyldimethoxysilane, 3-glycid Xypropyltrimethoxysilane, 3-glycidoxypropylmethyldiethoxysilane, 3-glycidoxypropyltriethoxysilane, p-styryltrimethoxysilane, 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane Silane, 3-methacryloxypropylmethyldiethoxysilane, 3-methacryloxypropyltriethoxysilane, 3-acryloxypropyltrimethoxysilane, N-2-(aminoethyl)-3-aminopropylmethyldimethoxysilane, N-2 -(aminoethyl)-3-aminopropyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3-triethoxysilyl-N-(1,3-dimethyl-butylidene)propylamine, N-phenyl-3-aminopropyltrimethoxysilane, 3-ureidopropyltriethoxysilane, 3-mercaptopropylmethyldimethoxysilane, 3-mercaptopropyltrimethoxysilane, bis(triethoxysilylpropyl)tetrasulfide, 3-isocyanatepropyl Examples include, but are not limited to, triethoxysilane.

[(B-1)成分、(B-2)成分、(C)成分]
本発明のエマルション組成物の製造方法で用いる(B-1)成分、(B-2)成分、(C)成分については上記と同様である。
[(B-1) component, (B-2) component, (C) component]
The components (B-1), (B-2), and (C) used in the method for producing an emulsion composition of the present invention are the same as described above.

これらの(D)成分である両末端ヒドロキシポリジオルガノシロキサン、(E)成分であるオルガノアルコキシシラン、上述した(B-1)成分及び(B-2)成分であるカチオン系界面活性剤及び(C)成分である水をホモミキサー、ホモジナイザー、コロイドミル、ホモディスパー、ラインミキサーのような乳化機を用いて均一なエマルションにした後、アルカリ触媒を添加し、0~30℃で1~150時間重合を行う。 These (D) component, both terminal hydroxy polydiorganosiloxane, (E) component, organoalkoxysilane, the above-mentioned (B-1) component and (B-2) component, the cationic surfactant, and (C ) component water is made into a homogeneous emulsion using an emulsifier such as a homomixer, homogenizer, colloid mill, homodisper, or line mixer, then an alkali catalyst is added and polymerized at 0 to 30°C for 1 to 150 hours. I do.

ここで、アルカリ触媒としては、水酸化ナトリウム、水酸化カリウム、水酸化リチウム、フッ化カリウム、アンモニア、テトラメチルアンモニウムハイドロキサイド、テトラエチルアンモニウムハイドロキサイド、テトラプロピルアンモニウムハイドロキサイド、テトラブチルアンモニウムハイドロキサイド、ベンジルトリメチルアンモニウムハイドロキサイド、テトラブチルホスホニウムハイドロキサイド、トリフロロメチルフェニルトリメチルアンモニウムハイドロキサイドなどが挙げられる。中でも、水酸化ナトリウム、水酸化カリウム、アンモニア、テトラメチルアンモニウムハイドロキサイド、テトラブチルアンモニウムハイドロキサイド、ベンジルトリメチルアンモニウムハイドロキサイド、テトラブチルホスホニウムハイドロキサイドが好ましい。 Here, the alkali catalysts include sodium hydroxide, potassium hydroxide, lithium hydroxide, potassium fluoride, ammonia, tetramethylammonium hydroxide, tetraethylammonium hydroxide, tetrapropylammonium hydroxide, and tetrabutylammonium hydroxide. oxide, benzyltrimethylammonium hydroxide, tetrabutylphosphonium hydroxide, trifluoromethylphenyltrimethylammonium hydroxide, and the like. Among these, sodium hydroxide, potassium hydroxide, ammonia, tetramethylammonium hydroxide, tetrabutylammonium hydroxide, benzyltrimethylammonium hydroxide, and tetrabutylphosphonium hydroxide are preferred.

アルカリ触媒の使用量としては、(D)成分である両末端ヒドロキシオルガノシロキサン100質量部に対し、0.01~5質量部であることが好ましく、0.03~5質量部であることがさらに好ましい。 The amount of the alkali catalyst to be used is preferably 0.01 to 5 parts by mass, more preferably 0.03 to 5 parts by mass, per 100 parts by mass of the both-terminated hydroxyorganosiloxane as component (D). preferable.

なお、(B-1)及び(B-2)成分であるカチオン系界面活性剤を、イオン交換樹脂を用いて4級アンモニウムハイドロキサイドとすれば、このもの自身がアルカリ触媒成分として作用するのでアルカリ触媒を別途添加する必要はない。このように、(B-1)成分又は(B-2)成分自体をアルカリ触媒成分として作用させる場合も、本発明のエマルション組成物の製造方法における、上記(D)、(E)、(B-1)、(B-2)及び(C)成分を乳化分散させて得られるエマルションを、アルカリ触媒存在下で重合を行うことに該当する。 Note that if the cationic surfactants (B-1) and (B-2) are converted into quaternary ammonium hydroxide using an ion exchange resin, this itself acts as an alkali catalyst component. There is no need to separately add an alkaline catalyst. In this way, even when component (B-1) or component (B-2) itself acts as an alkali catalyst component, the above (D), (E), and (B This corresponds to polymerizing an emulsion obtained by emulsifying and dispersing components -1), (B-2), and (C) in the presence of an alkali catalyst.

また、重合温度は0~30℃である。0℃より低い場合には重合の進行が遅く実用的でなく、30℃より高い場合にはエマルションの安定性が不安定なものとなる。好ましくは5~25℃である。また、重合時間は1~150時間である。1時間未満の場合には重合が不十分であり、150時間より長くなると工業的ではなくなる。この重合時間は、好ましくは5~120時間である。 Further, the polymerization temperature is 0 to 30°C. If it is lower than 0°C, polymerization progresses slowly and is not practical, and if it is higher than 30°C, the stability of the emulsion becomes unstable. Preferably it is 5 to 25°C. Further, the polymerization time is 1 to 150 hours. When the time is less than 1 hour, the polymerization is insufficient, and when it is longer than 150 hours, it is not industrially practical. This polymerization time is preferably 5 to 120 hours.

所定の重合時間後、中和することにより、重合反応を停止することができる。ここでの中和は酸性化合物で行うことができる。酸性化合物としては、塩酸、ギ酸、酢酸、プロピオン酸などが挙げられ、好ましくは、塩酸、ギ酸、酢酸である。なお、酸性化合物を使用する代わりにイオン交換樹脂を利用して中和することも可能である。 After a predetermined polymerization time, the polymerization reaction can be stopped by neutralization. Neutralization here can be performed with an acidic compound. Examples of the acidic compound include hydrochloric acid, formic acid, acetic acid, propionic acid, etc., and preferably hydrochloric acid, formic acid, and acetic acid. Note that it is also possible to neutralize using an ion exchange resin instead of using an acidic compound.

以上の方法により得られる本発明の高重合度オルガノシロキサンのカチオン系エマルション組成物は、繊維処理剤、離型剤、撥水剤、化粧品原料等として好適に用いられ、各種繊維、皮革、紙、毛髪等に処理することで優れた柔軟性、滑り性、撥水性、ボリューム感等を付与することができる。なお、繊維としては、綿、麻、絹、羊毛のような天然繊維、ポリエステル、ポリアミド、ポリアクリロニトリル、ポリエチレン、ポリプロピレン、ビニロン、ポリ塩化ビニル、スパンデックス等の合成繊維、アセテート等の半合成繊維などが挙げられるが、これらに限定されるものではない。 The cationic emulsion composition of highly polymerized organosiloxane of the present invention obtained by the above method is suitably used as a fiber treatment agent, a mold release agent, a water repellent, a raw material for cosmetics, etc., and can be used for various fibers, leather, paper, etc. By treating hair etc., it can impart excellent flexibility, slipperiness, water repellency, volume, etc. Fibers include natural fibers such as cotton, linen, silk, and wool, synthetic fibers such as polyester, polyamide, polyacrylonitrile, polyethylene, polypropylene, vinylon, polyvinyl chloride, and spandex, and semi-synthetic fibers such as acetate. These include, but are not limited to.

本発明の高重合度オルガノシロキサンのカチオン系エマルション組成物には、各種の増粘剤、顔料、染料、浸透剤、帯電防止剤、消泡剤、難燃剤、抗菌剤、防腐剤、撥水剤、架橋剤、密着向上剤や、他のシリコーンオイル、シリコーン樹脂、シリカ、アクリル樹脂、ウレタン樹脂等を適宜配合することができる。 The cationic emulsion composition of highly polymerized organosiloxane of the present invention includes various thickeners, pigments, dyes, penetrants, antistatic agents, antifoaming agents, flame retardants, antibacterial agents, preservatives, and water repellents. , a crosslinking agent, an adhesion improver, and other silicone oils, silicone resins, silica, acrylic resins, urethane resins, etc. can be appropriately blended.

本発明の高重合度オルガノシロキサンのカチオン系エマルション組成物は、乾燥後に被膜を形成することが可能であり、繊維、紙、金属、木材、ゴム、プラスチック、ガラス等各種基材表面に処理して使用することができる。基材への塗布方法としては、浸漬法、スプレー法、ロールコート法、バーコート法、はけ塗り法等、従来公知の各種塗装法が可能である。 The cationic emulsion composition of highly polymerized organosiloxane of the present invention can form a film after drying, and can be applied to the surface of various substrates such as fiber, paper, metal, wood, rubber, plastic, and glass. can be used. Various conventionally known coating methods such as dipping, spraying, roll coating, bar coating, and brushing can be used to apply the coating onto the substrate.

以下、実施例及び比較例を示し、本発明を具体的に説明するが、本発明は下記の実施例に制限されるものではない。なお、下記の例において、「%」は「質量%」を示す。 EXAMPLES Hereinafter, the present invention will be specifically explained with reference to Examples and Comparative Examples, but the present invention is not limited to the Examples below. In addition, in the following examples, "%" indicates "mass %".

[実施例1]
一般式:HO-[(CHSiO]-Hで示される両末端ヒドロキシポリジメチルシロキサン((D)成分) 300g(ここで、nは約310であり、25℃における粘度が1,500mPa・sである)、トリエトキシフェニルシラン((E)成分) 4.3g、トリオクチルメチルアンモニウムクロライド((B-1)成分)の有効成分75%のIPA(イソプロピルアルコール)溶液(TOMAC-75:ライオン・スペシャリティ・ケミカルズ社製)24.0g、ベヘニルトリメチルアンモニウムクロライド((B-2)成分)の有効成分80%のエタノール品(リポカード22-80:ライオン・スペシャリティ・ケミカルズ社製)18.0g、イオン交換水((C)成分)239.3gをホモミキサー、ディスパーを用いて均一に乳化分散することによりエマルションを得た。このエマルションに30%アンモニア水溶液6.6gを添加した(アルカリ触媒)。その後、液温度を15℃に下げ、24時間重合を行い、酢酸7.8gで中和することでエマルションAを得た。
[Example 1]
General formula: HO-[(CH 3 ) 2 SiO] n -H Both-terminated hydroxypolydimethylsiloxane (component (D)) 300 g (where n is approximately 310 and the viscosity at 25°C is 1, 500 mPa・s), 4.3 g of triethoxyphenylsilane (component (E)), and a 75% IPA (isopropyl alcohol) solution of the active ingredient of trioctylmethylammonium chloride (component (B-1)) (TOMAC-75). : manufactured by Lion Specialty Chemicals) 24.0 g, ethanol product containing 80% of the active ingredient of behenyltrimethylammonium chloride (component (B-2)) (Lipo Card 22-80: manufactured by Lion Specialty Chemicals) 18. An emulsion was obtained by uniformly emulsifying and dispersing 239.3 g of ion-exchanged water (component (C)) using a homomixer and a disper. 6.6 g of 30% ammonia aqueous solution was added to this emulsion (alkaline catalyst). Thereafter, the liquid temperature was lowered to 15° C., polymerization was carried out for 24 hours, and emulsion A was obtained by neutralizing with 7.8 g of acetic acid.

[実施例2]
実施例1のイオン交換水を215.3gに代えて、更にノニオン系乳化剤として、ポリオキシエチレンアルキルエーテルであるエマルゲン109P(花王社製)24.0gを追加した以外は実施例1と同様にしてエマルションBを得た。
[Example 2]
The same procedure as in Example 1 was carried out except that 215.3 g of the ion-exchanged water in Example 1 was replaced and 24.0 g of Emulgen 109P (manufactured by Kao Corporation), which is a polyoxyethylene alkyl ether, was added as a nonionic emulsifier. Emulsion B was obtained.

[実施例3]
実施例2のトリオクチルメチルアンモニウムクロライドの有効成分75%のIPA溶液(TOMAC-75:ライオン・スペシャリティ・ケミカルズ社製)を3.0gに、イオン交換水を236.3gに代えた以外は実施例2と同様にしてエマルションCを得た。
[Example 3]
Example except that the IPA solution containing 75% of the active ingredient of trioctylmethylammonium chloride in Example 2 (TOMAC-75: manufactured by Lion Specialty Chemicals) was replaced with 3.0 g, and the ion exchange water was replaced with 236.3 g. Emulsion C was obtained in the same manner as in 2.

[実施例4]
実施例2のトリオクチルメチルアンモニウムクロライドの有効成分75%のIPA溶液(TOMAC-75:ライオン・スペシャリティ・ケミカルズ社製)を12.0gに、イオン交換水を227.3gに代えた以外は実施例2と同様にしてエマルションDを得た。
[Example 4]
Example except that the IPA solution containing 75% of the active ingredient of trioctylmethylammonium chloride in Example 2 (TOMAC-75: manufactured by Lion Specialty Chemicals) was replaced with 12.0 g and the ion exchange water was replaced with 227.3 g. Emulsion D was obtained in the same manner as in 2.

[実施例5]
実施例4における重合条件を15℃で48時間として重合した以外は、実施例4と同様にしてエマルションEを得た。
[Example 5]
Emulsion E was obtained in the same manner as in Example 4, except that the polymerization conditions in Example 4 were changed to 15° C. for 48 hours.

[実施例6]
実施例4のイオン交換水を231.6gに変更し、30%アンモニア水溶液の代わりに85%のKOHを2.3gを添加した以外は実施例4と同様にしてエマルションFを得た。
[Example 6]
Emulsion F was obtained in the same manner as in Example 4, except that the ion-exchanged water in Example 4 was changed to 231.6 g, and 2.3 g of 85% KOH was added instead of the 30% ammonia aqueous solution.

[比較例1]
実施例1のトリエトキシフェニルシランを1.1gに、イオン交換水を258.7gに代えて、更にトリオクチルメチルアンモニウムクロライドの有効成分75%のIPA溶液(TOMAC-75:ライオン・スペシャリティ・ケミカルズ社製)、及び、ベヘニルトリメチルアンモニウムクロライドの有効成分80%のエタノール品(リポカード22-80:ライオン・スペシャリティ・ケミカルズ社製)をセチルトリメチルアンモニウムクロライドの有効成分30%の水溶液(コータミン60W:花王社製)25.8gに代えた以外は実施例1と同様にしてエマルションGを得た。
[Comparative example 1]
In Example 1, 1.1 g of triethoxyphenylsilane and 258.7 g of ion-exchanged water were used, and an IPA solution containing 75% of the active ingredient of trioctylmethylammonium chloride (TOMAC-75: Lion Specialty Chemicals) was added. ), and an ethanol product containing 80% of the active ingredient of behenyltrimethylammonium chloride (Lipocard 22-80: manufactured by Lion Specialty Chemicals) and an aqueous solution of 30% of the active ingredient of cetyltrimethylammonium chloride (Cortamine 60W: manufactured by Kao Corporation). Emulsion G was obtained in the same manner as in Example 1, except that 25.8 g of the emulsion was used (manufactured by Manufacturer Co., Ltd.).

[比較例2]
比較例1における重合条件を15℃で96時間として重合した以外は、比較例1と同様にしてエマルションHを得た。
[Comparative example 2]
Emulsion H was obtained in the same manner as in Comparative Example 1, except that the polymerization conditions in Comparative Example 1 were changed to 15° C. for 96 hours.

[比較例3]
比較例1のトリエトキシフェニルシランを4.3gに、イオン交換水を255.5gに代えた以外は比較例1と同様にしてエマルションIを得た。
[Comparative example 3]
Emulsion I was obtained in the same manner as in Comparative Example 1 except that 4.3 g of triethoxyphenylsilane and 255.5 g of ion-exchanged water were used in Comparative Example 1.

[比較例4]
比較例3のセチルトリメチルアンモニウムクロライドの有効成分30%の水溶液(コータミン60W:花王社製)をトリオクチルメチルアンモニウムクロライドの有効成分75%のIPA溶液(TOMAC-75:ライオン・スペシャリティ・ケミカルズ社製)24.0gに、イオン交換水を257.3gに代えた以外は比較例3と同様にしてエマルションJを得た。
[Comparative example 4]
An aqueous solution containing 30% of the active ingredient of cetyltrimethylammonium chloride in Comparative Example 3 (Cortamine 60W: manufactured by Kao Corporation) was mixed with an IPA solution of 75% of the active ingredient of trioctylmethylammonium chloride (TOMAC-75: manufactured by Lion Specialty Chemicals). Emulsion J was obtained in the same manner as in Comparative Example 3 except that 24.0 g of ion-exchanged water was used and 257.3 g of ion-exchanged water was used.

[比較例5]
比較例4にセチルトリメチルアンモニウムクロライドの有効成分30%の水溶液(コータミン60W:花王社製)25.8gを追加し、イオン交換水を231.5gに代えた以外は比較例4と同様にして製造したが、本組成ではエマルションKを製造することはできなかったため物性、特性評価は行わなかった。
[Comparative example 5]
Manufactured in the same manner as Comparative Example 4, except that 25.8 g of an aqueous solution of 30% of the active ingredient of cetyltrimethylammonium chloride (Cortamine 60W: manufactured by Kao Corporation) was added to Comparative Example 4, and ion exchange water was replaced with 231.5 g. However, since it was not possible to produce Emulsion K with this composition, physical properties and characteristics were not evaluated.

[比較例6]
25℃における粘度が800,000mPa・sの直鎖ジメチルシリコーンを300g、セチルトリメチルアンモニウムクロライドの有効成分30%の水溶液(コータミン60W:花王社製)21.6g、イオン交換水235.2gをホモミキサー、ディスパーを用いて均一に乳化分散することによりエマルションLを得た。
[Comparative example 6]
300 g of linear dimethyl silicone with a viscosity of 800,000 mPa・s at 25°C, 21.6 g of a 30% aqueous solution of cetyltrimethylammonium chloride as an active ingredient (Cortamine 60W, manufactured by Kao Corporation), and 235.2 g of ion-exchanged water were mixed into a homomixer. Emulsion L was obtained by uniformly emulsifying and dispersing the mixture using a disperser.

上記実施例1~6、比較例1~6で得られたエマルションの物性、特性を下記評価方法により測定し、結果を表1、2に示した。 The physical properties and characteristics of the emulsions obtained in Examples 1 to 6 and Comparative Examples 1 to 6 were measured by the following evaluation method, and the results are shown in Tables 1 and 2.

(抽出したシリコーンの粘度)
エマルションA~L 300gを2LのIPA中に撹拌しながら添加することでエマルションを破壊させてポリジオルガノシロキサンを抽出し、このポリジオルガノシロキサンを105℃で3時間乾燥した後、25℃においてBH型回転粘度計で粘度を測定した。なお、この粘度は液状で測定できるものはそのまま、粘度が高すぎて測定できないものは10%トルエン溶解粘度を測定した。粘度が高すぎて液状で測定できないものの粘度は全て300,000mPa・s以上である。
(Viscosity of extracted silicone)
Add 300 g of emulsions A to L to 2 L of IPA with stirring to break the emulsion and extract the polydiorganosiloxane. After drying this polydiorganosiloxane at 105°C for 3 hours, rotate it in a BH type at 25°C. The viscosity was measured using a viscometer. Note that the viscosity was measured as it is for those that could be measured in liquid form, and for those whose viscosity was too high to be measured, the viscosity dissolved in 10% toluene was measured. Although the viscosity is too high to be measured in liquid form, all the viscosity is 300,000 mPa·s or more.

(被膜形成の有無)
エマルションA~L 20gをPP(ポリプロピレン)トレーに分取し、25℃で48時間乾燥させた後、更に105℃で1時間乾燥させ、被膜が形成するか評価した。
○:被膜形成
×:被膜形成なし(液状のまま)
(Presence or absence of film formation)
20 g of emulsions A to L were placed on a PP (polypropylene) tray, dried at 25° C. for 48 hours, and then further dried at 105° C. for 1 hour to evaluate whether a film was formed.
○: Film formation ×: No film formation (remains liquid)

(保存安定性)
25℃で1ヶ月静置した後の外観を目視にて評価した。
○:分離なし
△:僅かに分離
×:完全に分離
(Storage stability)
The appearance after being allowed to stand at 25° C. for one month was visually evaluated.
○: No separation △: Slight separation ×: Complete separation

(処理布の風合い)
エマルションA~Lを、ポリオルガノシロキサン濃度が1%となるようにイオン交換水で希釈し処理液を作製した。処理液にT/Cブロード布を10秒間浸漬させた後に絞り率100%の条件でロールを用いて絞り、150℃で2分間乾燥した。その後、処理布を手触評価し、未処理布と柔軟性及び平滑性を比較した。)
○:良好
×:未処理布レベル
(Texture of treated cloth)
Emulsions A to L were diluted with ion-exchanged water to give a polyorganosiloxane concentration of 1% to prepare treatment solutions. A T/C broad cloth was immersed in the treatment liquid for 10 seconds, then squeezed using a roll at a squeezing rate of 100%, and dried at 150° C. for 2 minutes. Thereafter, the treated fabric was evaluated to the touch and compared with the untreated fabric in terms of flexibility and smoothness. )
○: Good ×: Untreated cloth level

(処理布の洗濯耐久性)
エマルションA~Lを、ポリオルガノシロキサン濃度が1%となるようにイオン交換水で希釈し処理液を作製した。処理液にT/Cブロード布を10秒間浸漬させた後に絞り率100%の条件でロールを用いて絞り、150℃で2分間乾燥した。その後、処理布を半分に裁断し、片方の処理布をJIS LO217 103に準拠した手法により、洗濯機による洗濯を1回実施した後に室温で1日間乾燥した。洗濯前後の処理布の繊維表面のシリコーン残存量を蛍光X線分析装置(Rigaku社製)にて測定し、洗濯後の残存率(%)を算出した。
(Washing durability of treated fabric)
Emulsions A to L were diluted with ion-exchanged water to give a polyorganosiloxane concentration of 1% to prepare treatment solutions. A T/C broad cloth was immersed in the treatment liquid for 10 seconds, then squeezed using a roll at a squeezing rate of 100%, and dried at 150° C. for 2 minutes. Thereafter, the treated fabric was cut in half, and one of the treated fabrics was washed once in a washing machine in accordance with JIS LO217 103, and then dried at room temperature for one day. The amount of silicone remaining on the fiber surface of the treated cloth before and after washing was measured using a fluorescent X-ray analyzer (manufactured by Rigaku), and the residual rate (%) after washing was calculated.

Figure 0007368217000008
Figure 0007368217000008

Figure 0007368217000009
Figure 0007368217000009

表1、2に示される通り、本発明の高重合度ポリオルガノシロキサンのカチオン系エマルション組成物は高粘度でも比較的短時間で重合できるとともに、被膜形成能を有していることから繊維に処理した際の耐久性に優れており、また、処理布の風合も良好である。更に、本発明の高重合度ポリオルガノシロキサンのカチオン系エマルション組成物は保存安定性にも優れている。これに対して比較例の組成により得られたカチオン系エマルション組成物は、安定性は高いものの、被膜形成能がないものや、また繊維処理した際の耐久性が劣っていたり、被膜形成能はあるものの、エマルションの安定性が低くすぐに分離してしまう。 As shown in Tables 1 and 2, the cationic emulsion composition of the highly polymerized polyorganosiloxane of the present invention can be polymerized in a relatively short time even at high viscosity, and has the ability to form a film, so it can be processed into fibers. It has excellent durability when applied, and the texture of the treated fabric is also good. Furthermore, the cationic emulsion composition of the highly polymerized polyorganosiloxane of the present invention also has excellent storage stability. On the other hand, the cationic emulsion compositions obtained with the compositions of comparative examples have high stability, but some do not have film-forming ability, have poor durability when treated with fibers, and have poor film-forming ability. However, the stability of the emulsion is low and it separates quickly.

本発明の高重合度ポリオルガノシロキサンのカチオン系エマルション組成物を繊維処理剤として用いることで、繊維に対して良好な柔軟性を付与することができ、耐久性にも優れていることから、洗濯処理後も良好な柔軟性を維持することが可能である。さらに、本発明の高重合度ポリオルガノシロキサンのカチオン系エマルション組成物を処理し乾燥させた際に形成する被膜は耐久性が高いことから、汎用性にも優れており、繊維処理剤以外にも、離型剤や撥水剤、化粧料、毛髪用化粧料等に広く応用が可能である。 By using the cationic emulsion composition of the highly polymerized polyorganosiloxane of the present invention as a fiber treatment agent, it is possible to impart good flexibility to the fibers and has excellent durability. It is possible to maintain good flexibility even after processing. Furthermore, the film formed when the cationic emulsion composition of the highly polymerized polyorganosiloxane of the present invention is treated and dried is highly durable, and therefore has excellent versatility and can be used as a non-fiber treatment agent. It can be widely applied to mold release agents, water repellents, cosmetics, hair cosmetics, etc.

Claims (11)

(A)下記平均組成式(1)で表される、25℃における粘度が300,000mPa・s以上のポリオルガノシロキサン: 100質量部、
Figure 0007368217000010
(式中、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、Rは、互いに独立に、上記Rの選択肢から選ばれる基、ヒドロキシ基、又は炭素数1~20のアルコキシ基であり、a、b、c、dは該ポリオルガノシロキサンの25℃における粘度が300,000mPa・s以上を満たす値であり、a≧2、c+d≧1である。)
(B-1)カチオン系界面活性剤:Q (CH)N・X: 0.1~30質量部、
(ここで、Qは、同一又は異種の炭素数6~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(B-2)カチオン系界面活性剤:Q(CH・X: 0.1~30質量部、
(ここで、Qは、炭素数17~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(C)水: 30~3,000質量部
を含有してなることを特徴とするポリオルガノシロキサンのカチオン系エマルション組成物。
(A) 100 parts by mass of polyorganosiloxane represented by the following average composition formula (1) and having a viscosity of 300,000 mPa·s or more at 25°C,
Figure 0007368217000010
(In the formula, R 1 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and R 2 is independently a group selected from the options for R 1 above, a hydroxy group , or an alkoxy group having 1 to 20 carbon atoms, a, b, c, and d are values that satisfy the viscosity of the polyorganosiloxane at 25°C of 300,000 mPa·s or more, a≧2, c+d≧1 )
(B-1) Cationic surfactant: Q 1 3 (CH 3 )N + ·X : 0.1 to 30 parts by mass,
(Here, Q 1 is the same or different monovalent organic group having 6 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(B-2) Cationic surfactant: Q 2 (CH 3 ) 3 N + ·X : 0.1 to 30 parts by mass,
(Here, Q 2 is a monovalent organic group having 17 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(C) Water: A cationic emulsion composition of polyorganosiloxane, characterized in that it contains 30 to 3,000 parts by mass.
前記(B-1)成分において、前記QIn the component (B-1), the Q 1 が、同一又は異種の炭素数7~18の1価有機基であることを特徴とする請求項1に記載のポリオルガノシロキサンのカチオン系エマルション組成物。The cationic emulsion composition of polyorganosiloxane according to claim 1, wherein are the same or different monovalent organic groups having 7 to 18 carbon atoms. 前記(B-2)成分において、前記QIn the component (B-2), the Q 2 が、炭素数18~28の1価有機基であることを特徴とする請求項1又は請求項2に記載のポリオルガノシロキサンのカチオン系エマルション組成物。The cationic emulsion composition of polyorganosiloxane according to claim 1 or 2, wherein is a monovalent organic group having 18 to 28 carbon atoms. 更にノニオン系界面活性剤を含むことを特徴とする請求項1から請求項3のいずれか1項に記載のポリオルガノシロキサンのカチオン系エマルション組成物。 The cationic emulsion composition of polyorganosiloxane according to any one of claims 1 to 3, further comprising a nonionic surfactant. 乾燥後に被膜を形成するものであることを特徴とする請求項1から請求項4のいずれか1項に記載のポリオルガノシロキサンのカチオン系エマルション組成物。 The cationic emulsion composition of polyorganosiloxane according to any one of claims 1 to 4, which forms a film after drying. 請求項1から請求項のいずれか1項に記載のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする繊維処理剤。 A fiber treatment agent comprising the cationic emulsion composition of polyorganosiloxane according to any one of claims 1 to 5 . 請求項1から請求項のいずれか1項に記載のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする離型剤。 A mold release agent comprising the cationic emulsion composition of polyorganosiloxane according to any one of claims 1 to 5 . 請求項1から請求項のいずれか1項に記載のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする撥水剤。 A water repellent comprising the cationic emulsion composition of polyorganosiloxane according to any one of claims 1 to 5 . 請求項1から請求項のいずれか1項に記載のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする化粧料。 A cosmetic comprising the cationic emulsion composition of polyorganosiloxane according to any one of claims 1 to 5 . 請求項1から請求項のいずれか1項に記載のポリオルガノシロキサンのカチオン系エマルション組成物を含むことを特徴とする毛髪用化粧料。 A hair cosmetic comprising the cationic emulsion composition of polyorganosiloxane according to any one of claims 1 to 5 . (D)一般式:HO-[R SiO]-Hで表される両末端ヒドロキシポリジオルガノシロキサン(ここで、Rは、互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、jは該両末端ヒドロキシポリジオルガノシロキサンの25℃における粘度が2,000mPa・s未満を満たす値である。): 100質量部、
(E)下記に示されるいずれか1つ又は2つ以上のオルガノアルコキシシラン:0~20質量部
Si(OR、RSi(OR、R Si(OR、R Si(OR
(ここで、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基であり、Rは互いに独立に、水素原子、又は、炭素数1~20の1価有機基である。)、
(B-1)カチオン系界面活性剤:Q (CH)N・X: 0.1~30質量部、
(ここで、Qは同一又は異種の炭素数6~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(B-2)カチオン系界面活性剤:Q(CH・X: 0.1~30質量部、
(ここで、Qは炭素数17~30の1価有機基、Xはハロゲン原子又は炭素数1~6の1価カルボキシル基である。)
(C)水: 30~3,000質量部
を乳化分散させて得られるエマルションを、アルカリ触媒存在下、0~30℃で1~150時間重合を行い、更に中和を行うことを特徴とするポリオルガノシロキサンのカチオン系エマルション組成物の製造方法。
(D) A double-terminated hydroxypolydiorganosiloxane represented by the general formula: HO-[R 1 2 SiO] j -H (where R 1 is independently a hydrogen atom or a carbon number of 1 to 20 is a monovalent organic group, and j is a value that satisfies the viscosity of the both-terminated hydroxypolydiorganosiloxane at 25°C of less than 2,000 mPa s): 100 parts by mass,
(E) Any one or more organoalkoxysilanes shown below: 0 to 20 parts by mass Si(OR 3 ) 4 , R 1 Si(OR 3 ) 3 , R 1 2 Si(OR 3 ) 2 , R 1 3 Si (OR 3 )
(Here, R 1 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and R 3 is independently a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms. ),
(B-1) Cationic surfactant: Q 1 3 (CH 3 )N + ·X : 0.1 to 30 parts by mass,
(Here, Q 1 is the same or different monovalent organic group having 6 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(B-2) Cationic surfactant: Q 2 (CH 3 ) 3 N + ·X : 0.1 to 30 parts by mass,
(Here, Q 2 is a monovalent organic group having 17 to 30 carbon atoms, and X is a halogen atom or a monovalent carboxyl group having 1 to 6 carbon atoms.)
(C) Water: An emulsion obtained by emulsifying and dispersing 30 to 3,000 parts by mass is polymerized at 0 to 30°C for 1 to 150 hours in the presence of an alkali catalyst, and is further neutralized. A method for producing a cationic emulsion composition of polyorganosiloxane.
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