JP2004352843A - Aqueous wax agent for washing vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an aqueous wax agent for washing a vehicle, obtained by selecting components to be used by obeying various kinds of laws and regulations as the aqueous wax agent for washing the vehicle, and properly combining the components to be used, and having good characteristics. <P>SOLUTION: The aqueous wax agent comprises (A) a wax component, (B) a cationic surfactant, (C) an α-olefin-based solvent, (D) a carboxylic acid ester-based solvent, and (E) at least one kind of a glycolic solvent selected from a compound represented by the general formula: HO-A<SP>1</SP>-OH (wherein, A<SP>1</SP>is a ≥3C alkylene group which may be branched) and a compound represented by the general formula: H-(OA<SP>2</SP>)n-OH (wherein, A<SP>2</SP>is an alkylene group in which the number of carbons in a linear chain is ≥2, and which may be branched). The proportions of amounts of components (A) to (E) are preferably 1-10 mass%, 2-15 mass%, 0.5-10 mass%, 1-10 mass% and 5-20 mass% respectively. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

［式中、Ｒ^１、Ｒ^２は同一であるか或いは互いに異なる炭素数１〜３のアルキル基、Ｒ^３は炭素数８〜３０の脂肪族基又は−Ａ^３−Ｏ−Ｒ^５（ここで、Ａ^３は水酸基を有していてもよい、炭素数２〜４のアルキレン基、Ｒ^５は炭素数８〜３０の脂肪族基を示す）で表わされる基、Ｒ^４は炭素数１〜３のアルキル基又は炭素数８〜３０の脂肪族基、Ｘ⁻は適当なアニオンを示す］
及び一般式
【化４】

［式中、Ａ^４は炭素数２〜４のアルキレン基、ＹはＯ又はＮＨ、Ｒ^６は炭素数１〜３のアルキル基、Ｒ^７は炭素数１〜３のアルキル基又は−（Ａ^５−Ｏ）ｍ−Ｈ（ここでＡ^５は炭素数２〜４のアルキレン基、ｍは２〜２０の整数を示す）、Ｒ^８は炭素数８〜３０の脂肪族基、Ｒ^９は炭素数１〜３のアルキル基又は−Ａ^４−Ｙ−ＣＯ−Ｒ^８（ここでＡ^４、Ｙ及びＲ^８は前記したと同じ意味を有する）で表わされる基、Ｘ⁻は適当なアニオンを示す］
の一方又は両方で表わされる脂肪族アンモニウム塩、及び一般式
Ｒ^８−ＮＨ_３ ^＋Ｘ⁻
（式中、Ｒ^８及びＸ⁻は前記したと同じ意味を有する。）
で表わされる脂肪族アミン塩の中から選ばれた少なくとも１種のものである前記（１）、（２）又は（３）記載の洗車用水性ワックス剤。
（５）カチオン界面活性剤がジ高級アルキルジ低級アルキルアンモニウム塩、モノ高級アルキルトリ低級アルキルアンモニウム塩、Ｎ‐〔高級アルコキシ（ヒドロキシ低級アルキル）〕ジ低級アルキルモノ高級アルキルアンモニウム塩、Ｎ，Ｎ‐ジ（高級アルカノイルオキシ低級アルキル）ジ低級アルキルアンモニウム塩、Ｎ，Ｎ‐ジ（高級アルカノイルオキシ低級アルキル）‐Ｎ‐ヒドロキシ低級アルキル‐Ｎ‐低級アルキルアンモニウム塩、Ｎ，Ｎ‐ジ（高級アルカノイルアミノアルキル）‐Ｎ‐ヒドロキシ低級アルキル‐Ｎ‐低級アルキルアンモニウム塩及び高級アルキルアミン塩の中から選ばれた少なくとも１種のものである前記（４）記載の洗車用水性ワックス剤。
（６）α‐オレフィン系溶剤が炭素数１０〜１８のものである前記（１）ないし（５）のいずれかに記載の洗車用水性ワックス剤。
（７）カルボン酸エステル系溶剤が脂肪族モノカルボン酸エステル及び脂肪族ジカルボン酸エステルの中から選ばれた少なくとも１種のものである前記（１）ないし（６）のいずれかに記載の洗車用水性ワックス剤。
（８）グリコール系溶剤がプロピレングリコール、ジエチレングリコール、ジプロピレングリコール及びトリエチレングリコールの中から選ばれた少なくとも１種のものである前記（１）ないし（７）のいずれかに記載の洗車用水性ワックス剤。
（９）（Ａ）カルナウバワックス及び流動パラフィンの一方又は両方からなるワックス成分１〜１０質量％、（Ｂ）ジ高級アルキルジ低級アルキルアンモニウム塩、モノ高級アルキルトリ低級アルキルアンモニウム塩、Ｎ‐〔高級アルコキシ（ヒドロキシ低級アルキル）〕ジ低級アルキルモノ高級アルキルアンモニウム塩、Ｎ，Ｎ‐ジ（高級アルカノイルオキシ低級アルキル）ジ低級アルキルアンモニウム塩、Ｎ，Ｎ‐ジ（高級アルカノイルオキシ低級アルキル）‐Ｎ‐ヒドロキシ低級アルキル‐Ｎ‐低級アルキルアンモニウム塩、Ｎ，Ｎ‐ジ（高級アルカノイルアミノアルキル）‐Ｎ‐ヒドロキシ低級アルキル‐Ｎ‐低級アルキルアンモニウム塩及び高級アルキルアミン塩の中から選ばれた少なくとも１種からなるカチオン界面活性剤２〜１５質量％、（Ｃ）炭素数１０〜１８のα‐オレフィン系溶剤０．５〜１０質量％、（Ｄ）脂肪族モノカルボン酸エステル及び脂肪族ジカルボン酸エステルの中から選ばれた少なくとも１種からなるカルボン酸エステル系溶剤１〜１０質量％及び（Ｅ）プロピレングリコール、ジエチレングリコール、ジプロピレングリコール及びトリエチレングリコールの中から選ばれた少なくとも１種からなるグリコール系溶剤５〜２０質量％を含有することを特徴とする洗車用水性ワックス剤。
これらにおいて、各種基のうち高級のものは炭素数が８以上のものを、また、低級のものは炭素数が３以下のものを意味する。
【００１２】
本発明の洗車用水性ワックス剤において（Ａ）成分として用いられるワックス成分の例としては、カルナウバワックス、流動パラフィン、ライスワックス、ビーズワックスなどが挙げられ、中でもカルナウバワックス及び流動パラフィンの一方又は両方が好ましい。
【００１３】
また、（Ｂ）成分として用いられるカチオン界面活性剤については特に制限されず、例えば四級化アンモニウム塩、アルキレンオキシド付加型の四級化アンモニウム塩、脂肪族アミン塩などが挙げられ、中でも一般式
【化５】

［式中、Ｒ^１、Ｒ^２は同一であるか或いは互いに異なる炭素数１〜３のアルキル基、Ｒ^３は炭素数８〜３０の脂肪族基又は−Ａ^３−Ｏ−Ｒ^５（ここで、Ａ^３は水酸基を有していてもよい、炭素数２〜４のアルキレン基、Ｒ^５は炭素数８〜３０の脂肪族基を示す）で表わされる基、Ｒ^４は炭素数１〜３のアルキル基又は炭素数８〜３０の脂肪族基、Ｘ⁻は適当なアニオンを示す］
又は一般式
【化６】

［式中、Ａ^４は炭素数２〜４のアルキレン基、ＹはＯ又はＮＨ、Ｒ^６は炭素数１〜３のアルキル基、Ｒ^７は炭素数１〜３のアルキル基又は−（Ａ^５−Ｏ）ｍ−Ｈ（ここでＡ^５は炭素数２〜４のアルキレン基、ｍは２〜２０の整数を示す）、Ｒ^８は炭素数８〜３０の脂肪族基、Ｒ^９は炭素数１〜３のアルキル基又は−Ａ^４−Ｙ−ＣＯ−Ｒ^８（ここでＡ^４、Ｙ及びＲ^８は前記したと同じ意味を有する）で表わされる基、Ｘ⁻は適当なアニオンを示す］
で表わされる脂肪族アンモニウム塩、又は一般式
Ｒ^８−ＮＨ_３ ^＋Ｘ⁻ （ＩＩＩ）
（式中、Ｒ^８及びＸ⁻は前記したと同じ意味を有する）
で表わされる脂肪族アミン塩が好ましく挙げられる。これらは１種用いてもよいし、また、２種以上を組み合わせて用いてもよい。
これら一般式中のＸ⁻としては、例えばハロゲンイオン、酢酸イオン、塩素酸イオン、過塩素酸イオン、ナイトレートイオン、サルフェートイオン、アルキルサルフェートイオン、スルホネートイオン、アルキルスルホネートイオンなど、中でもハロゲンイオン特に塩素イオン、酢酸イオンが挙げられる。
【００１４】
上記一般式（Ｉ）で表わされる脂肪族アンモニウム塩としては、例えばデシルトリメチルアンモニウムクロリド、ドデシルトリメチルアンモニウムクロリド、テトラデシルトリメチルアンモニウムクロリド、ヘキサデシルトリメチルアンモニウムクロリド（セチルトリメチルアンモニウムクロリド）、オクタデシルトリメチルアンモニウムクロリド（ステアリルトリメチルアンモニウムクロリド）、ベヘニルトリメチルアンモニウムクロリドなどのモノ高級アルキルトリ低級アルキルアンモニウム塩や、オレイルトリメチルアンモニウムクロリドなどのモノ高級アルケニルトリメチルアンモニウム塩や、ジドデシルジメチルアンモニウムクロリド、ジテトラデシルジメチルアンモニウムクロリド、ジヘキサデシルジメチルアンモニウムクロリド、ジオクタデシルジメチルアンモニウムクロリド、ジエイコシルジメチルアンモニウムクロリド、ジベヘニルジメチルアンモニウムクロリド、ジテトラコシルジメチルアンモニウムクロリドなどのジ高級アルキルジ低級アルキルアンモニウム塩や、ジオレイルジメチルアンモニウムクロリドなどのジ高級アルケニルジ低級アルキルアンモニウム塩や、Ｎ‐（３‐ドデシルオキシ‐２‐ヒドロキシプロピル）ジメチルオクタデシルアンモニウムクロリド、Ｎ‐（３‐ヘキサデシルオキシ‐２‐ヒドロキシプロピル）モノメチルモノエチルヘキサデシルアンモニウムクロリドのようなＮ‐（３‐高級アルコキシ‐２‐ヒドロキシプロピル）ジ低級アルキルモノ高級アルキルアンモニウム塩などのＮ‐〔高級アルコキシ（ヒドロキシ低級アルキル）〕ジ低級アルキルモノ高級アルキルアンモニウム塩などが挙げられ、上記一般式（ＩＩ）で表わされる脂肪族アンモニウム塩としては、例えばＮ，Ｎ‐ジ（パルミトイルオキシエチル）ジメチルアンモニウムメトサルフェート、Ｎ，Ｎ‐ジ（ステアロイルオキシエチル）ジメチルアンモニウムメトサルフェート等のＮ，Ｎ‐ジ（高級アルカノイルオキシ低級アルキル）ジ低級アルキルアンモニウム塩や、Ｎ，Ｎ‐ジ（パルミトイルオキシエチル）‐Ｎ‐ヒドロキシエチル‐Ｎ‐メチルアンモニウムメトサルフェート、Ｎ，Ｎ‐ジ（ステアロイルオキシエチル）‐Ｎ‐ヒドロキシエチル‐Ｎ‐メチルアンモニウムメトサルフェート等のＮ，Ｎ‐ジ（高級アルカノイルオキシ低級アルキル）‐Ｎ‐ヒドロキシ低級アルキル‐Ｎ‐低級アルキルアンモニウム塩や、Ｎ，Ｎ‐ジ（ドデカノイルアミノエチル）モノメチルエタノールアンモニウムクロリド、Ｎ，Ｎ‐ジ（オクタデカノイルアミノエチル）モノメチルエタノールアンモニウムクロリドなどのＮ，Ｎ‐ジ（高級アルカノイルアミノエチル）‐Ｎ‐ヒドロキシエチル‐Ｎ‐低級アルキルアンモニウム塩等のＮ，Ｎ‐ジ（高級アルカノイルアミノアルキル）‐Ｎ‐ヒドロキシ低級アルキル‐Ｎ‐低級アルキルアンモニウム塩又はそのヒドロキシ低級アルキル基を−（ＣＨ_２ＣＨ_２−Ｏ）ｍ−Ｈ等の−（Ａ^５−Ｏ）ｍ−Ｈ（ここでＡ^５及びｍは前記した意味を有する）で表わされる基で置き換えたもの、例えばアルキレンオキシド付加物などが挙げられる。
これらの中でもジ高級アルキルジ低級アルキルアンモニウム塩、モノ高級アルキルトリ低級アルキルアンモニウム塩、Ｎ‐（３‐高級アルコキシ‐２‐ヒドロキシプロピル）ジ低級アルキルモノ高級アルキルアンモニウム塩等のＮ‐〔高級アルコキシ（ヒドロキシ低級アルキル）〕ジ低級アルキルモノ高級アルキルアンモニウム塩、Ｎ，Ｎ‐ジ高級アルカノイルオキシエチル‐Ｎ‐ヒドロキシエチル‐Ｎ‐低級アルキルアンモニウム塩等のＮ，Ｎ‐ジ（高級アルカノイルオキシ低級アルキル）‐Ｎ‐ヒドロキシ低級アルキル‐Ｎ‐低級アルキルアンモニウム塩、Ｎ，Ｎ‐ジ（高級アルカノイルアミノエチル）‐Ｎ‐ヒドロキシエチル‐Ｎ‐低級アルキルアンモニウム塩等のＮ，Ｎ‐ジ（高級アルカノイルアミノアルキル）‐Ｎ‐ヒドロキシ低級アルキル‐Ｎ‐低級アルキルアンモニウム塩などが好ましく、具体的化合物を例示すると、ジラウリルジメチルアンモニウムクロリド、ジドデシルジメチルアンモニウムクロリド、ジヘキサデシルジメチルアンモニウムクロリド、ジオクタデシルジメチルアンモニウムクロリド、ジベヘニルジメチルアンモニウムクロリド、デシルトリメチルアンモニウムクロリド、ドデシルトリメチルアンモニウムクロリド、ヘキサデシルトリメチルアンモニウムクロリド、オクタデシルトリメチルアンモニウムクロリド、Ｎ‐（３‐ドデシルオキシ‐２‐ヒドロキシプロピル）ジメチルオクタデシルアンモニウムクロリド、Ｎ‐（３‐ヘキサデシルオキシ‐２‐ヒドロキシプロピル）モノメチルモノエチルヘキサデシルアンモニウムクロリド、Ｎ，Ｎ‐ジ（パルミトイルオキシエチル）ジメチルアンモニウムメトサルフェート、Ｎ，Ｎ‐ジ（ステアロイルオキシエチル）ジメチルアンモニウムメトサルフェート、Ｎ，Ｎ‐ジ（パルミトイルオキシエチル）‐Ｎ‐ヒドロキシエチル‐Ｎ‐メチルアンモニウムメトサルフェート、Ｎ，Ｎ‐ジ（ステアロイルオキシエチル）‐Ｎ‐ヒドロキシエチル‐Ｎ‐メチルアンモニウムメトサルフェート、Ｎ，Ｎ‐ジ（ドデカノイルアミノエチル）モノメチルエタノールアンモニウムクロリド、Ｎ，Ｎ‐ジ（オクタデカノイルアミノエチル）モノメチルエタノールアンモニウムクロリドなどが挙げられる。
【００１５】
上記一般式（ＩＩＩ）で表わされる脂肪族アミン塩としては、例えばデシルアミン酢酸塩、ドデシルアミン酢酸塩、テトラデシルアミン酢酸塩、ヘキサデシルアミン酢酸塩、オクタデシルアミン酢酸塩、エイコシルアミン酢酸塩などのアルキルアミン酢酸塩や、デシルアミン塩酸塩、ドデシルアミン塩酸塩、テトラデシルアミン塩酸塩、ヘキサデシルアミン塩酸塩、オクタデシルアミン塩酸塩、エイコシルアミン塩酸塩などのアルキルアミン塩酸塩や、オレイルアミン酢酸塩などのアルケニルアミン酢酸塩や、オレイルアミン塩酸塩などのアルケニルアミン塩酸塩等が挙げられる。特にドデシルアミン酢酸塩、ドデシルアミン塩酸塩、オクタデシルアミン酢酸塩、オクタデシルアミン塩酸塩、オクタデシルアミン酢酸塩とへキサデシルアミン酢酸塩の混合物が好ましい。
これらのカチオン界面活性剤は１種用いてもよいし、また２種以上を組み合わせて用いてもよい。
【００１６】
また、（Ｃ）成分として用いられるα‐オレフィン系溶剤は、５０℃、好ましくは常温で有機溶剤として作用するものであれば特に制限されず、このようなものとしては、好ましくは炭素数６〜２４、中でも１０〜１８のもの、例えば１‐ヘキセン、１‐ヘプテン、１‐オクテン、１‐ノネン、１‐デケン、１‐ウンデケン、１‐ドデケン、１‐ヘキサデケン、１‐オクタデケン等が挙げられる。
【００１７】
また、（Ｄ）成分として用いられるカルボン酸エステル系溶剤は、５０℃、好ましくは常温で有機溶剤として作用するカルボン酸エステルであれば特に制限されず、このようなものとしては、例えば脂肪族モノカルボン酸、脂肪族ジカルボン酸、芳香族モノカルボン酸、芳香族ジカルボン酸、芳香族トリカルボン酸又は芳香族テトラカルボン酸のエステルが挙げられ、中でも脂肪族モノカルボン酸エステル及び脂肪族ジカルボン酸エステルの中から選ばれた少なくとも１種のものが好ましい。
【００１８】
このカルボン酸エステル系溶剤のカルボン酸部位に相当する上記各種カルボン酸について説明すると、脂肪族モノカルボン酸としては、好ましくは炭素数８〜２２、中でも８〜１８の飽和酸や不飽和酸、例えばオクタン酸、デカン酸、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、オレイン酸、リノール酸、リノレン酸、エルカ酸、ベヘニン酸デカン酸、ラウリン酸、ミリスチン酸、パルミチン酸、ステアリン酸、オレイン酸、リノール酸、リノレン酸、２‐エチルヘキセン酸等が、脂肪族ジカルボン酸としては、好ましくは炭素数６〜３０、好ましくは８〜２５のもの、例えばアジピン酸、ピメリン酸、スベリン酸、アゼライン酸、セバシン酸、１‐，９‐ノナメチレンジカルボン酸、１‐，１０‐デカメチレンジカルボン酸、１‐，１１‐ウンデカメチレンジカルボン酸、１‐，１２‐ドデカメチレンジカルボン酸、中でもアゼライン酸、セバシン酸、１‐，９‐ノナメチレンジカルボン酸、１‐，１０‐デカメチレンジカルボン酸等が、芳香族モノカルボン酸としては例えば安息香酸、ｐ‐ｔ‐ブチル安息香酸等が、芳香族ジカルボン酸としてはフタル酸、イソフタル酸、テレフタル酸等が、芳香族トリカルボン酸としてはトリメリット酸等が、芳香族テトラカルボン酸としてはピロメリット酸等がそれぞれ挙げられる。
【００１９】
脂肪族モノカルボン酸エステルの例としては、カプリン酸メチル、ラウリン酸メチル、ミリスチン酸メチル、ミリスチン酸イソプロピル、ミリスチン酸ヘキシルデシル、ミリスチン酸オクチルドデシル、ミリスチン酸ミリスチル、パルミチン酸２‐エチルヘキシル、ステアリン酸メチル、ステアリン酸ブチル、ステアリン酸２‐エチルヘキシル、ステアリン酸イソトリデシル、ステアリン酸ステアリル、オレイン酸メチル、オレイン酸イソブチル、オレイン酸オクチル、オレイン酸２‐エチルヘキシル、オレイン酸デシル、オレイン酸ラウリル、オレイン酸オクチルドデシル、オレイン酸オレイル、オレイン酸オクチルドデシル、エルカ酸オクチルドデシル、ベヘニン酸オクチルドデシル、ベヘニン酸ベヘニン、２‐エチルヘキセン酸セチル、ヤシ油脂肪酸メチル、パーム油脂肪酸メチル等が挙げられる。
【００２０】
脂肪族ジカルボン酸エステルの例としては、アジピン酸モノメチル、アジピン酸ジイソブチル、アジピン酸ジイソデシル、アジピン酸ジオクチル、アジピン酸ジオレイル、セバシン酸モノエチル、セバシン酸ジエチル、ドデカン二酸ジブチル等が挙げられる。
【００２１】
芳香族モノカルボン酸エステルの例としては、安息香酸ブチル、ｐ‐ｔ‐ブチル安息香酸エチル等が挙げられる。
【００２２】
芳香族ジカルボン酸エステルの例としては、フタル酸ジ２‐エチルヘキシル、フタル酸ジノルマルアルキル（各アルキルの炭素数８と１０）、フタル酸ジアルキル（各アルキルの炭素数１０〜１２程度）、フタル酸ジデシル、フタル酸ジトリデシル、フタル酸ジステアリル、テレフタル酸モノメチル等が挙げられる。
【００２３】
芳香族トリカルボン酸エステルの例としては、トリメリット酸ジブチル、トリメリット酸トリ２‐エチルヘキシル、トリメリット酸トリノルマルアルキル（各アルキルの炭素数８と１０）、トリメリット酸トリアルキル（アルキルの炭素数９）、トリメリット酸トリイソデシル、トリメリット酸モノエチル等が挙げられる。
芳香族テトラカルボン酸エステルの例としては、ピロメリット酸テトラエチル、ピロメリット酸テトルメチル、ピロメリット酸１，４‐ジメチル等が挙げられる。
【００２４】
また、（Ｅ）成分として用いられるグリコール系溶剤は、一般式
ＨＯ−Ａ^１−ＯＨ
（式中、Ａ^１は炭素数３以上の分岐していてもよいアルキレン基を示す）
及び一般式
Ｈ−（ＯＡ^２）ｎ−ＯＨ
（式中、Ａ^２は直鎖炭素数が２以上の分岐していてもよいアルキレン基、ｎは２以上の整数を示す）
で表わされるグリコールの中から選ばれた少なくとも１種であることが重要である。
【００２５】
このグリコール系溶剤としては、例えばプロピレングリコール、ジエチレングリコール、ジプロピレングリコール、トリエチレングリコール、１，３‐プロパンジオール、１，２‐ブタンジオール、１，３‐ブタンジオール、１，４‐ブタンジオール、２，３‐ブタンジオール、１，５‐ペンタンジオール、２‐メチル‐２，４‐ペンタンジオール（ヘキシレングリコール）、中でもプロピレングリコール、ジエチレングリコール、ジプロピレングリコール及びトリエチレングリコールの中から選ばれた少なくとも１種のものが好ましい。
【００２６】
本発明の水性ワックス剤は、さらに水を含有し、その量は使用目的等に応じ、適宜変動させるのがよい。
【００２７】
本発明の水性ワックス剤には、本発明の目的を損なわない範囲で、必要に応じ、従来水性ワックス剤に通常用いられている添加成分、例えば希釈溶剤、安定化溶剤、凍結防止剤、防腐剤、研磨剤、紫外線吸収剤、色素等の着色剤、上記カチオン界面活性剤以外の界面活性剤等を含有させることができる。
【００２８】
上記カチオン界面活性剤以外の界面活性剤は、該カチオン界面活性剤と同様にワックス成分の乳化又はマイクロエマルション化等のために用いられ、このようなものとしては、例えばエチレンオキシド付加型の四級化アンモニウム塩や、ポリオキシエチレンアルキルエーテル（炭素数１２〜１５のものを除く）、ポリオキシエチレンアルキルフェニルエーテル、ポリオキシエチレン脂肪酸エステル、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステル、ポリオキシエチレンアルキルアミン等の非イオン界面活性剤などが挙げられ、中でもポリオキシエチレンアルキルエーテル（炭素数１２〜１５のものを除く）、ポリオキシエチレン脂肪酸エステル、ソルビタン脂肪酸エステル、ポリオキシエチレンソルビタン脂肪酸エステルを組み合わせて用いるのが好ましい。
【００２９】
本発明の水性ワックス剤において、各組成成分の含有割合は、（Ａ）成分のワックス成分については１〜１０質量％、好ましくは２〜８質量％の範囲で選ばれる。この割合が１質量％未満ではその添加効果が十分には発揮されないし、また１０質量％を超えると塗布しにくくなる。
また、（Ｂ）成分のカチオン界面活性剤については、２〜１５質量％、好ましくは３〜１０質量％の範囲で選ばれる。この割合が２質量％未満では前記（Ａ）成分との反応性が低下するし、また１５質量％を超えるとワックス剤の安定性が低下する。
【００３０】
また、（Ｃ）成分のα‐オレフィン系溶剤については、０．５〜１０質量％、好ましくは１〜８質量％の範囲で選ばれる。この割合が０．５質量％未満ではワックス成分が溶解しにくくなるし、また１０質量％を超えると粘度が高くなりすぎてワックス剤として使用しにくくなる。
（Ｄ）成分のカルボン酸エステル系溶剤溶剤については、１〜１０質量％、好ましくは１．５〜８質量％の範囲で選ばれる。この割合が１質量％未満ではワックス成分を十分には溶解しえないし、また１０質量％を超えるとワックス剤の安定性が低下する。
（Ｅ）成分のグリコール系溶剤については、５〜２０質量％、好ましくは７〜１５質量％の範囲で選ばれる。この割合が５質量％未満では凍結点が上がりすぎて（例えば凍結点−５℃以上など）安定性が良好でなくなり、特に冬季にワックス剤としての所期の機能を発揮しにくくなるし、また２０質量％を超えると親水性が高くなりすぎて撥水性が低下するようになる。
【００３１】
本発明の水性ワックス剤は、門型洗車機、スプレー洗車機等の自動塗布装置での車体塗布作業に用いられる。例えば、２往復四行程方式の門型洗車機に用いる際には、第三行程で該ワックス剤をエゼクター等の吸い上げ装置又はポンプにて１０〜２００倍、好ましくは２０〜５０倍に希釈して車体にスプレー塗布するようにする。本発明の水性ワックス剤は、このようにスプレー塗布するだけで車体面に十分付着し、良好な撥水効果を発現し、また、残余の水滴があっても洗車機のブロアーで吹き飛ばせるので拭き取る必要もない。
【００３２】
【発明の効果】
本発明の洗車用水性ワックス剤は、使用成分について各種法規制を遵守したものを選別し、諸使用成分を適切に組み合わせてなるものであるから、ユーザーが安心して使用することができ、環境保全にも資するものである上に、各種特性が良好であって、例えば外観、透明性、流動性、撥水性等に優れ、保存しても粘度上昇、ゲル化、白濁、固形化等のトラブルを生じにくいなどの効果を奏する。
【００３３】
【実施例】
次に、実施例により本発明をさらに詳細に説明するが、本発明はこれらの例によって何ら制限されるものではない。
【００３４】
実施例１〜１１、比較例１〜４
表１に示す配合組成の水性濃縮ワックス剤を調製した。表１において、各成分の配合量比は質量％であり、残部は水である。これらのワックス剤の調製は、水以外の成分を混合し、１００℃に加熱したものに、９０℃に加熱した水を徐々に滴下しつつ撹拌することによって行なった。
【００３５】
実施例及び比較例の各ワックス剤について、粘度を求め、外観を目視観察し、透明性を以下の試験方法により５段階評価基準で判定した。その結果も表１に示す。また、各ワックス剤１リットルを水１９リットルで希釈し、この希釈液３００ｍｌを用いて、門型洗車機により自動車の塗装面のワックス掛けを行ない、目視判定により撥水性を評価した。その結果も表２に併記する。
【００３６】
透明性については、識別板をサンプル容器の反対側におき、その文字の見え方を以下の５段階の評価基準で判定した。
５：文字がはっきり見える。
４：文字がかすんで見える。
３：文字は読めないが、その存在はわかる。
２：褐色を呈して文字が見えない。
１：白濁。
【００３７】
また、撥水性についての評価基準は次のとおりである。
◎：極めて良好
○：良好
△：普通
×：不良
【００３８】
【表１】

【００３９】
【表２】

【００４０】
これら表中の（Ｂ）カチオン界面活性剤欄中の略号は以下のとおりのものを意味する。
ＤＥＴＭＡＣ： デシルトリメチルアンモニウムクロリド
ＳＴＭＡＣ： ステアリルトリメチルアンモニウムクロリド
ＤＤＥＯＨＰＤＭＯＤＥＡＣ： Ｎ‐（３‐ドデシルオキシ‐２‐ヒドロキシプロピル）ジメチルオクタデシルアンモニウムクロリド
ＤＤＯＡＥＭＯＥＡＣ： Ｎ，Ｎ‐ジ（ドデカノイルアミノエチル）モノメチルエタノールアンモニウムクロリド
ＤＤＤＥＤＭＡＣ： ジドデシルジメチルアンモニウムクロリド
ＤＯＬＤＭＡＣ： ジオレイルジメチルアンモニウムクロリド
ＨＤＥＴＭＡＣ： ヘキサデシルトリメチルアンモニウムクロリド
ＤＨＤＥＤＭＡＣ： ジヘキサデシルジメチルアンモニウムクロリド
ＤＯＤＯＡＥＤＭＡＣ： Ｎ，Ｎ‐ジ（オクタデカノイルアミノエチル）ジメチルアンモニウムクロリド
ＤＰＯＥＤＭＡＭＳ： Ｎ，Ｎ‐ジ（パルミトイルオキシエチル）ジメチルアンモニウムメトサルフェート
ＤＳＯＥＯＥＭＡＭＳ： Ｎ，Ｎ‐ジ（ステアロイルオキシエチル）‐Ｎ‐ヒドロキシエチル‐Ｎ‐メチルアンモニウムメトサルフェート
ＢＨＬＤＭＡＣ： ビス水素化牛脂ジメチルアンモニウムクロリド
ＤＯＤＯＡＥＭＯＥＡＣ： Ｎ，Ｎ‐ジ（オクタデカノイルアミノエチル）モノメチルエタノールアンモニウムクロリド[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a car wash water-based wax for imparting water repellency to a vehicle body such as an automobile body, in particular, a painted surface thereof, to give a polished surface.
[0002]
[Prior art]
Heretofore, as a car washing method using a gate type car washing machine, a first step of applying a cleaner containing a nonionic surfactant as a main component and a foaming agent containing an anionic surfactant as a main component include a gate type car wash. A wax washing method comprising: a second step of applying while foaming through a foaming device of a machine, a third step of applying a car wash aqueous wax containing a cationic surfactant, and a fourth step of drying the vehicle body by a drying device. The most common method is the two-way car wash method. When applying wax to a car body by this car washing method, usually, an aqueous wax composition for car washing is diluted with water, and a predetermined amount of the diluted wax is automatically sucked up and sprayed onto the car body to form a wax film. I have.
[0003]
In recent years, environmental issues have been widely taken up, and laws and regulations and voluntary use restrictions on chemical substances have been increasing. The target chemical substances are firstly endocrine disruptors (environmental hormones), secondly, substances posted under the Industrial Safety and Health Law, and thirdly, the grasp and management of the amount of specific chemical substances released into the environment. There are substances designated by the Act on the Promotion of Improvement of Chemicals (hereinafter abbreviated as the PRTR Law), and their use tends to be avoided due to safety aspects and complicated procedures.
[0004]
Therefore, the cleaner used in the first step is an ethoxylate of a higher alcohol or an adduct of ethylene oxide and propylene oxide of the higher alcohol, and the foaming agent used in the second step is an alkyl sulfate or alkane. By adopting a sulfonate, safety can be improved. However, water-based wax for car washing has many raw materials as regulated substances, and it is difficult to prepare it with other raw materials.
[0005]
Various cleaning wax agents for automobiles are known.
For example, at least one cationic surfactant and nonionic surfactant among primary amines, secondary amines, tertiary amines, quaternary ammonium salts, acetates of aliphatic amines and ethylene oxide adducts of amines A water-soluble agent such as a primary amine, a secondary amine, a tertiary amine, an ester-bonded aminoylamino-bonded amine, an ether-bonded amine, a quaternary ammonium salt, etc. -Type car wash composed of a washing polish containing a neutral cationic surfactant (Patent Document 2), lauryl trimethyl ammonium chloride, polyoxyethylene aliphatic amine, sealing oil (paraffin or naphthenic hydrocarbon, ethanol, water) Aqueous waxing agent for car wash for machine (Patent Document 3), solid wax as organic solvent, cationic surfactant (primary amine (Patent Literature 4) by dissolving and dispersing a wax component with two types of amide compounds using a petroleum solvent, a nonionic interface Polishes for portal-type car washes (Patent Documents 5 and 6), which are used in combination with a cationic surfactant such as an activator, a primary amine, a secondary amine, a tertiary amine, and a quaternary ammonium salt. Aqueous concentrated wax composition containing wax component, cationic surfactant, adipic acid diester or trimellitic acid triester as solvent, alcohol solvent, ethylene glycol (Patent Document 7), linear α-olefin solvent hydrocarbon , Glycol ethers, solid wax, dialkyl quaternary ammonium salt, polyoxyethylene aliphatic amine, long-chain aliphatic amine acetate, isoparaffin There is a wax composition for an automatic car washer obtained by heating and dissolving a mixture of quinone hydrocarbons, gradually adding hot water to solubilize the solid wax, and adding a polyhydric alcohol (Patent Document 8).
[0006]
However, these wax agents are the above-mentioned regulated substances, solid paraffin, a di-higher alkyl dimethyl ammonium salt represented by bis-hydrogenated tallow dimethyl ammonium salt, ethylene glycol, isopropanol, which has been widely used as an aqueous wax for car washing. As a result, it has become a problem to be avoided by users and to be discontinued.
Further, as for amines in the composition, primary, secondary and tertiary amines are only disclosed, and quaternary ammonium salts are also not specifically disclosed. There is a strong demand for the adoption of those exempted from the above regulations and having excellent safety.
[0007]
[Patent Document 1]
JP-A-50-77289 (Claims and others)
[Patent Document 2]
JP-A-51-59465 (claims and others)
[Patent Document 3]
JP-A-56-25033 (Claims and others)
[Patent Document 4]
JP-A-63-110054 (claims and others)
[Patent Document 5]
JP-A-3-21679 (claims and others)
[Patent Document 6]
JP-A-3-21680 (claims and others)
[Patent Document 7]
Patent No. 3035691 (Claims and others)
[Patent Document 8]
JP-A-11-80673 (Claims and others)
[0008]
[Problems to be solved by the invention]
Under such circumstances, an object of the present invention is to select an ingredient to be used in accordance with various laws and regulations as an aqueous wax for car washing, and to provide an aqueous wax for car washing having good properties by appropriately combining various ingredients. To provide.
[0009]
[Means for Solving the Problems]
The present inventors have conducted intensive studies in order to develop an aqueous wax agent for car washing showing the above-mentioned good characteristics, and as a result, a wax component, a cationic surfactant, an α-olefin-based solvent and two specific solvents. The inventors have found that a composition having a composition contributes to solving the problem, and have completed the present invention based on this finding.
[0010]
That is, the present invention
(1) (A) a wax component, (B) a cationic surfactant, (C) an α-olefin solvent, (D) a carboxylic acid ester solvent, and (E) a general formula.
HO-A¹-OH
(Where A¹Represents an alkylene group having 3 or more carbon atoms which may be branched)
And general formula
H- (OA²) N-OH
(Where A²Is an alkylene group having 2 or more straight-chain carbon atoms which may be branched, and n represents an integer of 2 or more)
An aqueous wax agent for car washing, comprising at least one glycol solvent selected from the compounds represented by
Furthermore,
(2) (A) 1 to 10% by mass of a wax component, (B) 2 to 15% by mass of a cationic surfactant, (C) 0.5 to 10% by mass of an α-olefin solvent, (D) a carboxylic acid ester Solvent 1 to 10% by mass and (E) general formula
HO-A¹-OH
(Where A¹Represents an alkylene group having 3 or more carbon atoms which may be branched)
And general formula
H- (OA²) N-OH
(Where A²Is an alkylene group having 2 or more straight-chain carbon atoms which may be branched, and n represents an integer of 2 or more)
An aqueous wax agent for car washing, comprising 5 to 20% by mass of at least one glycol solvent selected from the compounds represented by
Is provided.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Preferred embodiments of the present invention include the following.
(3) The aqueous car wash wax preparation according to the above (1) or (2), wherein the wax component is one or both of carnauba wax and liquid paraffin.
(4) The cationic surfactant has a general formula
Embedded image

[Wherein, R¹, R²Are the same or different alkyl groups having 1 to 3 carbon atoms, R³Is an aliphatic group having 8 to 30 carbon atoms or -A³-OR⁵(Where A³Is an alkylene group having 2 to 4 carbon atoms which may have a hydroxyl group, R⁵Represents an aliphatic group having 8 to 30 carbon atoms);⁴Is an alkyl group having 1 to 3 carbon atoms or an aliphatic group having 8 to 30 carbon atoms, X⁻Represents a suitable anion]
And general formula
Embedded image

[Where A⁴Is an alkylene group having 2 to 4 carbon atoms, Y is O or NH, R⁶Is an alkyl group having 1 to 3 carbon atoms, R⁷Is an alkyl group having 1 to 3 carbon atoms or-(A⁵-O) m-H (where A⁵Is an alkylene group having 2 to 4 carbon atoms, m is an integer of 2 to 20), R⁸Is an aliphatic group having 8 to 30 carbon atoms, R⁹Is an alkyl group having 1 to 3 carbon atoms or -A⁴-Y-CO-R⁸(Where A⁴, Y and R⁸Has the same meaning as described above),⁻Represents a suitable anion]
An aliphatic ammonium salt represented by one or both of the following:
R⁸-NH₃ ⁺X⁻
(Where R⁸And X⁻Has the same meaning as described above. )
The aqueous wax for car washes according to the above (1), (2) or (3), which is at least one selected from the aliphatic amine salts represented by the formula:
(5) The cationic surfactant is a di-higher alkyl di-lower alkyl ammonium salt, a mono-higher alkyl tri-lower alkyl ammonium salt, an N- [higher alkoxy (hydroxy lower alkyl)] di-lower alkyl mono-higher alkyl ammonium salt, an N, N-di (Higher alkanoyloxy lower alkyl) di-lower alkyl ammonium salt, N, N-di (higher alkanoyloxy lower alkyl) -N-hydroxy lower alkyl-N-lower alkyl ammonium salt, N, N-di (higher alkanoylaminoalkyl) The aqueous wax agent for car washing according to the above (4), which is at least one member selected from the group consisting of -N-hydroxy lower alkyl-N-lower alkylammonium salt and higher alkylamine salt.
(6) The aqueous wax for car washing according to any one of the above (1) to (5), wherein the α-olefin solvent has 10 to 18 carbon atoms.
(7) The car wash according to any one of (1) to (6), wherein the carboxylic acid ester solvent is at least one selected from aliphatic monocarboxylic acid esters and aliphatic dicarboxylic acid esters. Aqueous wax agent.
(8) The aqueous wax for car washing according to any one of the above (1) to (7), wherein the glycol solvent is at least one selected from propylene glycol, diethylene glycol, dipropylene glycol and triethylene glycol. Agent.
(9) (A) 1 to 10% by mass of a wax component consisting of one or both of carnauba wax and liquid paraffin, (B) di-higher alkyl di-lower alkyl ammonium salt, mono-higher alkyl tri-lower alkyl ammonium salt, N- [higher Alkoxy (hydroxy lower alkyl)] di-lower alkyl mono-higher alkyl ammonium salt, N, N-di (higher alkanoyloxy lower alkyl) di-lower alkyl ammonium salt, N, N-di (higher alkanoyloxy lower alkyl) -N-hydroxy At least one selected from lower alkyl-N-lower alkyl ammonium salts, N, N-di (higher alkanoylaminoalkyl) -N-hydroxy lower alkyl-N-lower alkyl ammonium salts and higher alkyl amine salts Cationic surfactant 2 5% by mass, (C) 0.5 to 10% by mass of an α-olefin solvent having 10 to 18 carbon atoms, (D) at least one selected from aliphatic monocarboxylic acid esters and aliphatic dicarboxylic acid esters 1 to 10% by mass of a carboxylate-based solvent consisting of: and (E) 5 to 20% by mass of a glycol-based solvent consisting of at least one selected from propylene glycol, diethylene glycol, dipropylene glycol and triethylene glycol. An aqueous wax agent for car washing, characterized in that:
In these, higher groups mean those having 8 or more carbon atoms, and lower groups mean those having 3 or less carbon atoms.
[0012]
Examples of the wax component used as the component (A) in the aqueous wax composition for car washing of the present invention include carnauba wax, liquid paraffin, rice wax, beeswax and the like, and among them, one of carnauba wax and liquid paraffin or Both are preferred.
[0013]
The cationic surfactant used as the component (B) is not particularly limited, and examples thereof include quaternary ammonium salts, alkylene oxide-added quaternary ammonium salts, and aliphatic amine salts.
Embedded image

[Wherein, R¹, R²Are the same or different alkyl groups having 1 to 3 carbon atoms, R³Is an aliphatic group having 8 to 30 carbon atoms or -A³-OR⁵(Where A³Is an alkylene group having 2 to 4 carbon atoms which may have a hydroxyl group, R⁵Represents an aliphatic group having 8 to 30 carbon atoms);⁴Is an alkyl group having 1 to 3 carbon atoms or an aliphatic group having 8 to 30 carbon atoms, X⁻Represents a suitable anion]
Or general formula
Embedded image

[Where A⁴Is an alkylene group having 2 to 4 carbon atoms, Y is O or NH, R⁶Is an alkyl group having 1 to 3 carbon atoms, R⁷Is an alkyl group having 1 to 3 carbon atoms or-(A⁵-O) m-H (where A⁵Is an alkylene group having 2 to 4 carbon atoms, m is an integer of 2 to 20), R⁸Is an aliphatic group having 8 to 30 carbon atoms, R⁹Is an alkyl group having 1 to 3 carbon atoms or -A⁴-Y-CO-R⁸(Where A⁴, Y and R⁸Has the same meaning as described above),⁻Represents a suitable anion]
An aliphatic ammonium salt represented by the general formula
R⁸-NH₃ ⁺X⁻ (III)
(Where R⁸And X⁻Has the same meaning as described above)
Preferred are aliphatic amine salts represented by the formula: These may be used alone or in combination of two or more.
X in these general formulas⁻Examples thereof include a halogen ion, an acetate ion, a chlorate ion, a perchlorate ion, a nitrate ion, a sulfate ion, an alkyl sulfate ion, a sulfonate ion, and an alkyl sulfonate ion. .
[0014]
As the aliphatic ammonium salt represented by the general formula (I), for example, decyltrimethylammonium chloride, dodecyltrimethylammonium chloride, tetradecyltrimethylammonium chloride, hexadecyltrimethylammonium chloride (cetyltrimethylammonium chloride), octadecyltrimethylammonium chloride ( Mono-higher alkyltri-lower alkylammonium salts such as stearyltrimethylammonium chloride) and behenyltrimethylammonium chloride, and mono-higher alkenyltrimethylammonium salts such as oleyltrimethylammonium chloride; didodecyldimethylammonium chloride; ditetradecyldimethylammonium chloride; Hexadecyl dimethyl ammonium chloride , Dioctadecyldimethylammonium chloride, dieicosyldimethylammonium chloride, dibehenyldimethylammonium chloride, ditetracosyldimethylammonium chloride, and other di-higher alkyldi-lower alkylammonium salts; dioleyldimethylammonium chloride and other di-higher alkenyldi-lower alkylammonium salts N- (3- (3-dodecyloxy-2-hydroxypropyl) dimethyloctadecyl ammonium chloride, N- (3-dodecyloxy-2-hydroxypropyl) monomethylmonoethylhexadecyl ammonium chloride, such as N- (3-hexadecyloxy-2-hydroxypropyl) monomethylmonoethylhexadecyl ammonium chloride N- [higher alkoxy (hydroxy lower alkyl) such as higher alkoxy-2-hydroxypropyl) di-lower alkyl mono higher alkyl ammonium salt; And di-lower alkyl mono higher alkyl ammonium salts. Examples of the aliphatic ammonium salt represented by the general formula (II) include N, N-di (palmitoyloxyethyl) dimethylammonium methosulfate, N, N- N, N-di (higher alkanoyloxy lower alkyl) di-lower alkyl ammonium salts such as di (stearoyloxyethyl) dimethylammonium methosulfate, and N, N-di (palmitoyloxyethyl) -N-hydroxyethyl-N-methyl N, N-di (higher alkanoyloxy lower alkyl) -N-hydroxy lower alkyl-N-lower such as ammonium methosulfate, N, N-di (stearoyloxyethyl) -N-hydroxyethyl-N-methylammonium methosulfate Alkylan N, N-di (higher alkanoylaminoethyl)-such as monium salt, N, N-di (dodecanoylaminoethyl) monomethylethanolammonium chloride and N, N-di (octadecanoylaminoethyl) monomethylethanolammonium chloride N, N-di (higher alkanoylaminoalkyl) -N-hydroxylower alkyl-N-lower alkylammonium salt such as N-hydroxyethyl-N-lower alkylammonium salt or its hydroxy lower alkyl group is represented by-(CH₂CH₂-(A)-(A) such as m-H⁵-O) m-H (where A⁵And m have the meanings described above), for example, alkylene oxide adducts and the like.
Among these, N- [higher alkoxy (hydroxy), such as di-higher alkyl di-lower alkyl ammonium salt, mono-higher alkyl tri-lower alkyl ammonium salt, and N- (3-higher alkoxy-2-hydroxypropyl) di-lower alkyl mono-higher alkyl ammonium salt. N, N-di (higher alkanoyloxy lower alkyl) -N such as di-lower alkyl mono-higher alkyl ammonium salt, N, N-di-higher alkanoyloxyethyl-N-hydroxyethyl-N-lower alkyl ammonium salt N, N-di (higher alkanoylaminoalkyl) -N such as -hydroxy lower alkyl-N-lower alkylammonium salt, N, N-di (higher alkanoylaminoethyl) -N-hydroxyethyl-N-lower alkylammonium salt -Hydroxy low Alkyl-N-lower alkylammonium salts and the like are preferred, and specific compounds include, for example, dilauryldimethylammonium chloride, didodecyldimethylammonium chloride, dihexadecyldimethylammonium chloride, dioctadecyldimethylammonium chloride, dibehenyldimethylammonium chloride, Decyltrimethylammonium chloride, dodecyltrimethylammonium chloride, hexadecyltrimethylammonium chloride, octadecyltrimethylammonium chloride, N- (3-dodecyloxy-2-hydroxypropyl) dimethyloctadecylammonium chloride, N- (3-hexadecyloxy-2- Hydroxypropyl) monomethylmonoethylhexadecyl ammonium chloride, N, N- (Palmitoyloxyethyl) dimethylammonium methosulfate, N, N-di (stearoyloxyethyl) dimethylammonium methosulfate, N, N-di (palmitoyloxyethyl) -N-hydroxyethyl-N-methylammonium methosulfate, N, N N-di (stearoyloxyethyl) -N-hydroxyethyl-N-methylammonium methosulfate, N, N-di (dodecanoylaminoethyl) monomethylethanolammonium chloride, N, N-di (octadecanoylaminoethyl) monomethyl Ethanol ammonium chloride and the like can be mentioned.
[0015]
Examples of the aliphatic amine salt represented by the general formula (III) include decylamine acetate, dodecylamine acetate, tetradecylamine acetate, hexadecylamine acetate, octadecylamine acetate, and eicosylamine acetate. Alkylamine acetate, alkylamine hydrochloride such as decylamine hydrochloride, dodecylamine hydrochloride, tetradecylamine hydrochloride, hexadecylamine hydrochloride, octadecylamine hydrochloride, eicosylamine hydrochloride, and oleylamine acetate Alkenylamine acetate, alkenylamine hydrochloride such as oleylamine hydrochloride and the like can be mentioned. Particularly preferred are dodecylamine acetate, dodecylamine hydrochloride, octadecylamine acetate, octadecylamine hydrochloride, and a mixture of octadecylamine acetate and hexadecylamine acetate.
One of these cationic surfactants may be used, or two or more thereof may be used in combination.
[0016]
The α-olefin-based solvent used as the component (C) is not particularly limited as long as it functions as an organic solvent at 50 ° C., preferably at room temperature. 24, among them, 10-18, for example, 1-hexene, 1-heptene, 1-octene, 1-nonene, 1-decene, 1-undeken, 1-dodeken, 1-hexadecene, 1-octadecene and the like.
[0017]
The carboxylic acid ester-based solvent used as the component (D) is not particularly limited as long as it is a carboxylic acid ester which acts as an organic solvent at 50 ° C., preferably at room temperature. Esters of carboxylic acids, aliphatic dicarboxylic acids, aromatic monocarboxylic acids, aromatic dicarboxylic acids, aromatic tricarboxylic acids or aromatic tetracarboxylic acids, among which aliphatic monocarboxylic acid esters and aliphatic dicarboxylic acid esters are included. At least one member selected from the group consisting of:
[0018]
Explaining the various carboxylic acids corresponding to the carboxylic acid site of the carboxylic acid ester-based solvent, the aliphatic monocarboxylic acid preferably has 8 to 22 carbon atoms, among which 8 to 18 saturated or unsaturated acids, for example Octanoic, decanoic, lauric, myristic, palmitic, stearic, oleic, linoleic, linolenic, erucic, behenic, decanoic, lauric, myristic, palmitic, stearic, oleic, Linoleic acid, linolenic acid, 2-ethylhexenoic acid and the like are preferably aliphatic dicarboxylic acids having 6 to 30 carbon atoms, preferably 8 to 25 carbon atoms, such as adipic acid, pimelic acid, suberic acid, azelaic acid, Sebacic acid, 1-, 9-nonamethylenedicarboxylic acid, 1-, 10-decamethylenedicarboxylic acid 1-, 11-undecamethylenedicarboxylic acid, 1-, 12-dodecamethylenedicarboxylic acid, especially azelaic acid, sebacic acid, 1-, 9-nonamethylenedicarboxylic acid, 1-, 10-decamethylenedicarboxylic acid, etc. As aromatic monocarboxylic acids, for example, benzoic acid, pt-butylbenzoic acid, etc., as aromatic dicarboxylic acids, phthalic acid, isophthalic acid, terephthalic acid, etc., as aromatic tricarboxylic acids, trimellitic acid, etc. Examples of the aromatic tetracarboxylic acid include pyromellitic acid.
[0019]
Examples of the aliphatic monocarboxylic acid ester include methyl caprate, methyl laurate, methyl myristate, isopropyl myristate, hexyldecyl myristate, octyl dodecyl myristate, myristyl myristate, 2-ethylhexyl palmitate, methyl stearate Butyl stearate, 2-ethylhexyl stearate, isotridecyl stearate, stearyl stearate, methyl oleate, isobutyl oleate, octyl oleate, 2-ethylhexyl oleate, decyl oleate, lauryl oleate, octyl dodecyl oleate, Oleyl oleate, octyldodecyl oleate, octyldodecyl erucate, octyldodecyl behenate, behenin behenate, cetyl 2-ethylhexenoate Coconut oil fatty acid methyl, palm oil fatty acid methyl, and the like.
[0020]
Examples of the aliphatic dicarboxylic acid ester include monomethyl adipate, diisobutyl adipate, diisodecyl adipate, dioctyl adipate, dioleyl adipate, monoethyl sebacate, diethyl sebacate, dibutyl dodecane diate, and the like.
[0021]
Examples of the aromatic monocarboxylic acid ester include butyl benzoate, pt-butyl ethyl benzoate and the like.
[0022]
Examples of the aromatic dicarboxylic acid ester include di-2-ethylhexyl phthalate, dinormal alkyl phthalate (each alkyl having 8 and 10 carbon atoms), dialkyl phthalate (each alkyl having 10 to 12 carbon atoms), phthalic acid Didecyl, ditridecyl phthalate, distearyl phthalate, monomethyl terephthalate and the like can be mentioned.
[0023]
Examples of the aromatic tricarboxylic acid ester include dibutyl trimellitate, tri-2-ethylhexyl trimellitate, trinormal alkyl trimellitate (each alkyl having 8 and 10 carbon atoms), and trialkyl trimellitate (the number of carbon atoms of alkyl). 9), triisodecyl trimellitate, monoethyl trimellitate and the like.
Examples of the aromatic tetracarboxylic acid ester include tetraethyl pyromellitate, tetramethyl pyromellitate, 1,4-dimethyl pyromellitate, and the like.
[0024]
The glycol solvent used as the component (E) has a general formula
HO-A¹-OH
(Where A¹Represents an alkylene group having 3 or more carbon atoms which may be branched)
And general formula
H- (OA²) N-OH
(Where A²Is an alkylene group having 2 or more straight-chain carbon atoms which may be branched, and n represents an integer of 2 or more)
It is important that at least one selected from the glycols represented by
[0025]
Examples of the glycol solvent include propylene glycol, diethylene glycol, dipropylene glycol, triethylene glycol, 1,3-propanediol, 1,2-butanediol, 1,3-butanediol, 1,4-butanediol, , 3-butanediol, 1,5-pentanediol, 2-methyl-2,4-pentanediol (hexylene glycol), at least one selected from propylene glycol, diethylene glycol, dipropylene glycol and triethylene glycol Species are preferred.
[0026]
The aqueous wax agent of the present invention further contains water, and the amount thereof may be appropriately changed depending on the purpose of use and the like.
[0027]
In the aqueous wax agent of the present invention, as far as the purpose of the present invention is not impaired, if necessary, additional components conventionally used in aqueous wax agents, for example, diluting solvents, stabilizing solvents, antifreezing agents, preservatives , A polishing agent, an ultraviolet absorber, a coloring agent such as a dye, a surfactant other than the cationic surfactant, and the like.
[0028]
Surfactants other than the above-mentioned cationic surfactants are used for emulsification or microemulsification of wax components similarly to the cationic surfactants. Examples of such surfactants include quaternization of ethylene oxide addition type. Ammonium salt, polyoxyethylene alkyl ether (excluding those having 12 to 15 carbon atoms), polyoxyethylene alkyl phenyl ether, polyoxyethylene fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene alkylamine And the like. Among them, polyoxyethylene alkyl ether (excluding those having 12 to 15 carbon atoms), polyoxyethylene fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid It is preferably used in combination ester.
[0029]
In the aqueous wax agent of the present invention, the content ratio of each composition component is selected in the range of 1 to 10% by mass, preferably 2 to 8% by mass for the wax component (A). If the proportion is less than 1% by mass, the effect of the addition is not sufficiently exhibited, and if it exceeds 10% by mass, it becomes difficult to apply the composition.
The cationic surfactant of the component (B) is selected in the range of 2 to 15% by mass, preferably 3 to 10% by mass. When the proportion is less than 2% by mass, the reactivity with the component (A) is reduced, and when it exceeds 15% by mass, the stability of the wax agent is decreased.
[0030]
The α-olefin solvent of the component (C) is selected in the range of 0.5 to 10% by mass, preferably 1 to 8% by mass. If this ratio is less than 0.5% by mass, the wax component is difficult to dissolve, and if it exceeds 10% by mass, the viscosity becomes too high, making it difficult to use as a wax agent.
The carboxylic acid ester-based solvent of the component (D) is selected in the range of 1 to 10% by mass, preferably 1.5 to 8% by mass. If this ratio is less than 1% by mass, the wax component cannot be sufficiently dissolved, and if it exceeds 10% by mass, the stability of the wax agent is reduced.
The glycol solvent of the component (E) is selected in the range of 5 to 20% by mass, preferably 7 to 15% by mass. If this proportion is less than 5% by mass, the freezing point becomes too high (for example, a freezing point of -5 ° C. or more) and the stability is not good, and it becomes difficult to exert its intended function as a wax agent, especially in winter. If it exceeds 20% by mass, the hydrophilicity becomes too high, and the water repellency decreases.
[0031]
The water-based wax agent of the present invention is used for a body coating operation with an automatic coating device such as a portal type car washer and a spray car washer. For example, when used in a double reciprocating four-stroke portal type car washer, the wax is diluted 10 to 200 times, preferably 20 to 50 times with a suction device such as an ejector or a pump in the third stroke. Spray the car body. The water-based wax agent of the present invention sufficiently adheres to the vehicle body surface only by spray application in such a manner, exhibits a good water-repellent effect, and wipes off any remaining water droplets because they can be blown off by a blower of a car wash machine. No need.
[0032]
【The invention's effect】
The water-based wax agent for car washing of the present invention is selected from those which comply with various laws and regulations on the components used, and is appropriately combined with the various components used, so that the user can use it with peace of mind and protect the environment. In addition to the fact that it also contributes to good properties, such as excellent appearance, transparency, fluidity, water repellency, etc., even when stored, increases viscosity, gelation, cloudiness, solidification, etc. It has effects such as being hardly produced.
[0033]
【Example】
Next, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples.
[0034]
Examples 1 to 11, Comparative Examples 1 to 4
An aqueous concentrated wax agent having the composition shown in Table 1 was prepared. In Table 1, the mixing ratio of each component is% by mass, and the balance is water. The preparation of these waxes was carried out by mixing components other than water and heating the mixture to 100 ° C., while gradually dropping water heated to 90 ° C. and stirring.
[0035]
About each wax agent of an Example and a comparative example, the viscosity was calculated | required, the external appearance was visually observed, and the transparency was judged by the following test methods on a five-point evaluation standard. The results are also shown in Table 1. Further, 1 liter of each wax agent was diluted with 19 liters of water, and the painted surface of the automobile was waxed with a portal type car washer using 300 ml of the diluted solution, and the water repellency was evaluated by visual judgment. The results are also shown in Table 2.
[0036]
Regarding the transparency, the discriminating plate was placed on the opposite side of the sample container, and the appearance of the characters was determined according to the following five-grade evaluation criteria.
5: Characters are clearly visible.
4: Characters look faint.
3: Characters cannot be read, but their existence is recognized.
2: The color is brown and characters are not visible.
1: cloudy.
[0037]
The evaluation criteria for water repellency are as follows.
：: extremely good
：: good
△: Normal
×: defective
[0038]
[Table 1]

[0039]
[Table 2]

[0040]
The abbreviations in the (B) cationic surfactant column in these tables mean the following.
DETMAC: decyltrimethylammonium chloride
STMAC: Stearyltrimethylammonium chloride
DDEOHPDMODEAC: N- (3-dodecyloxy-2-hydroxypropyl) dimethyloctadecyl ammonium chloride
DDOAEMOEAC: N, N-di (dodecanoylaminoethyl) monomethylethanol ammonium chloride
DDDEDMAC: didodecyl dimethyl ammonium chloride
DOLDMAC: Dioleyldimethylammonium chloride
HDETMAC: Hexadecyltrimethylammonium chloride
DHDEDMAC: Dihexadecyl dimethyl ammonium chloride
DODOAEDMAC: N, N-di (octadecanoylaminoethyl) dimethylammonium chloride
DPOEDMAMS: N, N-di (palmitoyloxyethyl) dimethylammonium methosulfate
DSOEOEMAMS: N, N-di (stearoyloxyethyl) -N-hydroxyethyl-N-methylammonium methosulfate
BHLDMAC: bis-hydrogenated tallow dimethyl ammonium chloride
DODOAEMOEAC: N, N-di (octadecanoylaminoethyl) monomethylethanol ammonium chloride

Claims (9)

(A) a wax component, (B) a cationic surfactant, (C) an α-olefin solvent, (D) a carboxylic acid ester solvent, and (E) a general formula HO-A ¹ -OH.
(In the formula, A ¹ represents an alkylene group having 3 or more carbon atoms which may be branched)
And the general formula ^H- (OA 2) n-OH
(Wherein, A ² represents an optionally branched alkylene group having 2 or more linear carbon atoms, and n represents an integer of 2 or more)
An aqueous wax composition for car washing, comprising at least one glycol solvent selected from the compounds represented by the formula: (A) 1 to 10% by mass of a wax component, (B) 2 to 15% by mass of a cationic surfactant, (C) 0.5 to 10% by mass of an α-olefin solvent, and (D) a carboxylic acid ester solvent 1 10% by mass and (E) the general formula HO-A ¹ -OH
(In the formula, A ¹ represents an alkylene group having 3 or more carbon atoms which may be branched)
And the general formula ^H- (OA 2) n-OH
(Wherein, A ² represents an optionally branched alkylene group having 2 or more linear carbon atoms, and n represents an integer of 2 or more)
An aqueous wax composition for car washing, comprising 5 to 20% by mass of at least one glycol solvent selected from the compounds represented by the formula: The aqueous wax composition for car washing according to claim 1 or 2, wherein the wax component is one or both of carnauba wax and liquid paraffin. The cationic surfactant has the general formula

[Wherein, R ¹ and R ² are the same or different alkyl groups having 1 to ³ carbon atoms, R ³ is an aliphatic group having 8 to 30 carbon atoms or —A ³ —O—R ⁵ (where , A ³ may have a hydroxyl group, an alkylene group having 2 to 4 carbon atoms, R ⁵ represents an aliphatic group having 8 to 30 carbon atoms), and R ⁴ has 1 to 3 carbon atoms. alkyl group or an aliphatic group having a carbon number of 8 to 30, X ^- represents a suitable anion
And general formula

Wherein A ⁴ is an alkylene group having 2 to ⁴ carbon atoms, Y is O or NH, R ⁶ is an alkyl group having 1 to 3 carbon atoms, R ⁷ is an alkyl group having 1 to 3 carbon atoms or-(A ⁵ —O) mH (where A ⁵ is an alkylene group having 2 to 4 carbon atoms, m represents an integer of 2 to 20), R ⁸ is an aliphatic group having 8 to 30 carbon atoms, and R ⁹ is a carbon number. 1-3 alkyl group or ^-A 4 ^{-Y-CO-R 8} group represented by (wherein ^a 4, Y and ^{R 8} have the same meanings as mentioned above), X ^- represents a suitable anion
Aliphatic ammonium salt represented by one or both, and the general formula ^R 8 _-NH ³ + X ^-
(Wherein, R ⁸ and X ⁻ have the same meanings as described above)
The aqueous wax agent for car washing according to claim 1, which is at least one member selected from aliphatic amine salts represented by the formula: The cationic surfactant is a di-higher alkyl di-lower alkyl ammonium salt, a mono-higher alkyl tri-lower alkyl ammonium salt, an N- [higher alkoxy (hydroxy lower alkyl)] di-lower alkyl mono higher alkyl ammonium salt, N, N-di (higher alkanoyl) Oxy-lower alkyl) di-lower alkyl ammonium salt, N, N-di (higher alkanoyloxy lower alkyl) -N-hydroxy lower alkyl-N-lower alkyl ammonium salt, N, N-di (higher alkanoylaminoalkyl) -N- The aqueous wax composition for car washing according to claim 4, which is at least one selected from hydroxy lower alkyl-N-lower alkyl ammonium salts and higher alkyl amine salts. The aqueous wax agent for car washing according to any one of claims 1 to 5, wherein the α-olefin solvent has 10 to 18 carbon atoms. 7. The aqueous wax composition for a car wash according to claim 1, wherein the carboxylic acid ester solvent is at least one selected from aliphatic monocarboxylic acid esters and aliphatic dicarboxylic acid esters. The aqueous wax for car washing according to any one of claims 1 to 7, wherein the glycol solvent is at least one selected from propylene glycol, diethylene glycol, dipropylene glycol and triethylene glycol. (A) 1 to 10% by mass of a wax component comprising one or both of carnauba wax and liquid paraffin, (B) di-higher alkyl di-lower alkyl ammonium salt, mono-higher alkyl tri-lower alkyl ammonium salt, N- [higher alkoxy (hydroxy Lower alkyl)] di-lower alkyl mono-higher alkyl ammonium salt, N, N-di (higher alkanoyloxy lower alkyl) di-lower alkyl ammonium salt, N, N-di (higher alkanoyloxy lower alkyl) -N-hydroxy lower alkyl- Cationic surfactant comprising at least one selected from N-lower alkyl ammonium salts, N, N-di (higher alkanoylaminoalkyl) -N-hydroxy lower alkyl-N-lower alkyl ammonium salts and higher alkyl amine salts Agents 2 to 15 %, (C) 0.5 to 10% by mass of an α-olefin solvent having 10 to 18 carbon atoms, and (D) at least one selected from aliphatic monocarboxylic acid esters and aliphatic dicarboxylic acid esters. A carboxylic acid ester solvent in an amount of 1 to 10% by mass and (E) propylene glycol, diethylene glycol, dipropylene glycol and triethylene glycol in an amount of 5 to 20% by mass. A characteristic water-based wax agent for car washing.