JP3959864B2 - Phosphate ester water / oil repellent composition - Google Patents
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Description
【0001】
【発明の属する技術分野】
本発明は、新規な撥水撥油剤組成物に関する。本発明の撥水撥油剤組成物は、保存安定性に優れ、種々の被処理物に対して優れた撥水撥油性を付与しうる撥水撥水撥油剤組成物である。さらに本発明は、紙に処理した場合には、高いサイズ性を特に発現し、天然皮革または合成皮革に処理した場合には、高い撥水性を特に発現する撥水撥油剤組成物に関する。
【0002】
【従来の技術】
従来、ペルフルオロアルキル基を有するリン酸エステルのアミン塩を有効成分とする紙用の撥水撥油剤が知られており、抄紙する際に撥水撥油剤を添加する内添法に、または、抄紙した紙を撥水撥油剤に浸漬させる外添法に、広く用いられている。しかし、従来の撥水撥油剤は、貯蔵安定性が低く、長期間の保存において層分離を起こす問題がある。
【0003】
また、ペルフルオロアルキル基を有するリン酸エステルのアミン塩は、製紙工程において、使用する水の硬度や不純物、さらに併用する他の加工剤の影響を受けやすく、時には沈殿物やガム状物を生成し、加工ロール等の汚れのトラブルを引き起こす問題があった。
【0004】
これらの問題を解決するものとして、ペルフルオロアルキル基を有するリン酸エステルの塩に炭化水素系のアニオン界面活性剤を配合した紙用耐油剤(特開昭64−6196)、フルオロ脂肪族炭化水素またはクロロフルオロ脂肪族炭化水素を添加することにより、分散安定性を改善した撥水撥油剤(特開昭56−138197)が提案されている。
【0005】
【発明が解決しようとする課題】
しかし、炭化水素系のアニオン界面活性剤を用いると、撥油性能が低下する問題が認められた。また、フルオロ脂肪族炭化水素またはクロロフルオロ脂肪族炭化水素は、オゾン層の破壊物質または地球温暖化物質として、その使用が規制されている問題があった。
【0006】
【課題を解決するための手段】
本発明は、上記の問題を解決するためになされたものであり、保存安定性および撥油性に優れた新規な撥水撥油剤組成物であって環境上の問題がない撥水撥油剤組成物を提供する。さらに本発明は、紙または革に処理した場合に優れた撥水撥油性能を発揮する撥水撥油剤組成物、および、該撥水撥油剤組成物で処理された加工紙または加工革を提供する。
【0007】
すなわち本発明は、下式1で表わされるリン酸エステル化合物を必須成分とする撥水撥油剤組成物において、下式3で表わされる化合物からなる含フッ素界面活性剤を含むことを特徴とする撥水撥油剤組成物、該撥水撥油剤組成物で処理された加工紙、および該撥水撥油剤組成物で処理された天然加工皮革または合成加工皮革を提供する。
【0008】
ただし、式中の記号は以下の意味を示す。
Rf1 :ポリフルオロアルキル基。
m:1〜3の整数。
n:0〜2の整数。ただし、(m+n)は1、2、または3。
Q:2価有機基。
Y+:対イオン。
R f3 :炭素数4〜16のペルフルオロアルキル基。
Z:−SO 3 − M + 、−SO 2 NR 4 CH 2 COO − M + 、−COO − (N + H 4 )、−CONH(CH 2 ) s COO − M + 、−CONH(CH 2 ) t N + (CH 3 )R 4 (CH 2 COO − )、−CONH(CH 2 ) t N + (CH 3 ) 2 (CH 2 COO − )、−CONH(CH 2 ) s O(CH 2 ) t N + (CH 3 )(CH 2 R 4 )(COO − )、−SO 2 NR 4 (CH 2 CH 2 O) u R 4 、−CONH(CH 2 ) t (N→O)(CH 3 ) 2 、−CONH(CH 2 CH 2 O) u R 4 、−(CH 2 ) s O(CH 2 CH 2 O) u R 4 、または−CH 2 CH(OH)CH 2 O(CH 2 CH 2 O) u R 4 (ただしMは、Na、K、またはNH 4 、R 4 は水素原子、低級アルキル基、またはヒドロキシアルキル基、s、tは、それぞれ独立に0〜10の整数、uは2〜30の整数、を示す。)。
【0009】
(Rf1-Q-O-)mPO(OH)n(O-)3-m-n・(Y+)3-m-n ・・・式1
R f3 −Z ・・・式3
【0010】
【発明の実施の形態】
本発明の撥水撥油剤組成物は、特定のリン酸エステル化合物を必須とする撥水撥油剤組成物である。特定のリン酸エステル化合物は、式1で表される構造を有する。また、本発明の撥水撥油剤組成物は、式3で表わされる化合物からなる含フッ素界面活性剤を含む。
また、本発明の撥水撥油組成物は、さらに式2で表わされる含フッ素化合物を含んでいてもよい。
ただし、式中の記号は以下の意味を示す。
R f2 :ポリフルオロアルキル基。
k:0または1
X:水酸基、ハロゲン原子、R 1 または−OCOR 2 (ただし、R 1 およびR 2 はそれぞれ、水素原子、低級アルキル基、またはアルケニル基を示す。)
R f2 (CH 2 CH 2 ) k X ・・・式2
【0011】
式1または式2中のRf1、およびRf2は、それぞれ同一であっても異なっていてもよく、ポリフルオロアルキル基を示す。なお、以下において、ポリフルオロアルキル基をRf基と記載する。
【0012】
Rf基は、アルキル基の水素原子の2個以上がフッ素原子に置換された基をいう。Rf基の炭素数は2〜20が好ましく、特に6〜16が好ましい。また、Rf基は、直鎖状または分岐状の基が好ましく、特に直鎖状の基が好ましい。分岐状の基である場合には、分岐部分がRf基の末端部分に存在し、かつ、炭素数1〜4程度の短鎖であるのが好ましい。Rf基は、フッ素原子以外の他のハロゲン原子を含んでいてもよい。他のハロゲン原子としては、塩素原子が好ましい。
【0013】
Rf基中の炭素−炭素結合間には、エーテル性酸素原子が挿入されていてもよ。Rf基の末端部分の構造としては、−CF2CF3、−CF(CF3)2、−CF2H、−CFH2、−CF2Cl等が挙げられ、−CF2CF3が好ましい。
【0014】
Rf基中のフッ素原子の数は、[(Rf基中のフッ素原子数)/(Rf基と同一炭素数の対応するアルキル基中に含まれる水素原子数)]×100(%)で表現した場合に、60%以上が好ましく、特に80%以上が好ましい。
【0015】
さらにRf基は、アルキル基の水素原子の全てがフッ素原子に置換された基(すなわちパーフルオロアルキル基)、またはパーフルオロアルキル基を末端部分に有する基が好ましい。
【0016】
パーフルオロアルキル基の炭素数は、2〜20が好ましく、特に6〜16が好ましい。炭素数が6未満の場合には、撥水性能および撥油性能が低下する傾向があり、16超の場合には、融点が高くなるとともに溶解性が低下するおそれがある。
【0017】
Rf基の具体例としては、以下の基が挙げられる。
C4F9−[CF3(CF2)3−、(CF3)2CFCF2−、(CF3)3C−、およびCF3CF2(CF3)CF−等の構造異性の基を含む]、C5F11−[たとえばCF3(CF2)4−]、C6F13−[たとえばCF3(CF2)5−]、C7F15−[たとえばCF3(CF2)6−]、C8F17−[たとえばCF3(CF2)7−]、C9F19−[たとえばCF3(CF2)8−]、C10F21−[たとえばCF3(CF2)9−]、C12F25−[たとえばCF3(CF2)11−]、C14F29−[たとえばCF3(CF2)13−]、C16F33−[たとえばCF3(CF2)15−]、CClF2(CF2)s−(ここで、sは1〜15の整数)、CF2H(CF2)t−(ここで、tは1〜15の整数)、(CF3)2CF(CF2)y−(ここで、yは1〜14の整数)等。
【0018】
Rf基が、炭素−炭素結合間にエーテル性酸素原子が挿入された基である場合の具体例としては、以下の基が挙げられる。
CF3(CF2)4OCF(CF3)−、F[CF(CF3)CF2O]rCF(CF3)CF2CF2−、F[CF(CF3)CF2O]zCF(CF3)−、F[CF(CF3)CF2O]uCF2CF2−、F(CF2CF2CF2O)vCF2CF2−、F(CF2CF2O)wCF2CF2−(r、zはそれぞれ1〜10の整数、uは2〜6の整数、vは1〜11の整数、wは1〜11の整数)等。
【0019】
また、式1中のRf1は、−(CF2)iCF3(iは4〜16の整数であり、6〜12の整数が好ましい。)で表される直鎖のペルフルオロアルキル基が好ましい。mは1〜3の整数であり、nは0〜2の整数であり、(m+n)は1、2、または3である。mは1または2が好ましく、nは0が好ましい。Qは2価有機基であり、−CH2CH2−、−SO2N(R4)CH2CH2−(R4は低級アルキル基)が好ましい。Y+は、[HN(R1)(R2)(R3)]+(ただし、R1、R2、およびR3は、それぞれ同一であっても異なっていてもよく、水素原子、−CH2CH2OH、−CH2CH2CH2OH、−CH(CH3)CH2OH、または−CH2CH(OH)CH3を示す。)が好ましく、R1が水素原子であり、かつ、R2およびR3が−CH2CH2OHである場合が好ましい。
【0020】
リン酸エステル(式1)の具体例としては、つぎの化合物が挙げられる。なお、式中のペルフルオロアルキル基部分の構造は、構造異性の基を含み、直鎖のペルフルオロアルキル基が好ましい。
【0021】
[C8F17CH2CH2O]3PO、
[C8F17CH2CH2O]2PO(O−)・[N+H2(CH2CH2OH)2]、
[C8F17CH2CH2O]PO(OH)(O−)[N+H2(CH2CH2OH)2]、
[C8F17CH2CH2O]PO(O−)2・[N+H2(CH2CH2OH)2]2、
[C6F13CH2CH2O]3PO、
[C6F13CH2CH2O]2PO(O−)・[N+H2(CH2CH2OH)2]、
[C6F13CH2CH2O]PO(O−)2・[N+H2(CH2CH2OH)2]2、
[C10F21CH2CH2O]3PO、
[C10F21CH2CH2O]2PO(O−)・[N+H2(CH2CH2OH)2]、
[C10F21CH2CH2O]PO(O−)2・[N+H2(CH2CH2OH)2]2、
[C12F25CH2CH2O]3PO、
[C12F25CH2CH2O]2PO(O−)・[N+H2(CH2CH2OH)2]、
[C12F25CH2CH2O]PO(O−)2・[N+H2(CH2CH2OH)2]2、
[C8F17CH2CH2O]2PO(O−)・[N+H4]、
[C8F17CH2CH2O]PO(O−)2・[N+H4]2、
[C8F17SO2N(C2H5)CH2CH2O]2PO(O−)・[N+H2(CH2CH2OH)2]、
[C8F17SO2N(C2H5)CH2CH2O]PO(O−)2・[N+H2(CH2CH2OH)2]2、
[C8F17CH2CH2O]2PO(O−)・(Na+)。
【0022】
撥水撥油剤組成物中のリン酸エステル(式1)は、1種であっても2種以上であてもよい。2種以上である場合には、mまたはnが異なる2種以上の化合物の混合物でもよくまた、Rf1の炭素数の異なる2種以上の化合物の混合物でもよい。
【0023】
式2中のRf2は、−(CF2)hCF3(hは4〜16の整数であり、6〜12の整数が好ましい。)で表される直鎖のペルフルオロアルキル基が好ましい。kは0または1である。
【0024】
式2中の、Xは水酸基、ハロゲン原子、R1または−OCOR2(ただし、R1およびR2は、それぞれ、水素原子、低級アルキル基、またはアルケニル基を示す。)であり、ハロゲン原子としてはヨウ素原子が好ましい。R1およびR2が、それぞれ低級アルキル基である場合には、メチル基、またはエチル基が好ましい。R1およびR2が、それぞれアルケニル基である場合には、低級のアルケニル基が好ましく、ビニル基、2−プロペニル基、2−ブテニル基、または3−ブテニル基が好ましい。Xは、つぎの具体例中に示す基が好ましい。
【0025】
含フッ素化合物(式2)の具体例としては、つぎの化合物が挙げられる。なお、式中のペルフルオロアルキル基部分の構造は、構造異性の基を含み、直鎖のペルフルオロアルキル基が好ましい。
C8F17CH=CH2、
C8F17CH2CH2OCOCH=CH2、
C8F17CH2CH2I、
C8F17CH2CH2OH、
C8F17CH2CH2OCOH、
C8F17CH2CH2Cl、
C8F17I。
【0026】
撥水撥油剤組成物中の含フッ素化合物(式2)は1種であっても2種以上であてもよい。2種以上である場合には、Rf2の炭素数の異なる2種以上の化合物からなるのが好ましい。
【0027】
また、本発明においては、式3で表わされる化合物からなる含フッ素界面活性剤を用いる。
【0028】
【0029】
【0030】
上記含フッ素界面活性剤の具体例としては、つぎの化合物が挙げられる。
【0031】
C8F17SO3 −・Na+、
C8F17SO2N(CH2CH3)(CH2COO−)・K+、
C7F15COO−・(N+H4)、
C8F17CONH(CH2)5COO−・(N+H4)、
C8F17CONH(CH2)3N+(CH3)2CH2COO−、
C8F17CONH(CH2)2O(CH2)3N+(CH3)2・(CH2COO−)、
C8F17SO2N(C2H5)(CH2CH2O)10H、
C9F19CONH(CH2)3N(→O)(CH3)2、
C9F19CONH(CH2CH2O)10CH3、
C8F17CH2CH2O(CH2CH2O)5H、
C8F17CH2CH2CH2O(CH2CH2O)10H、
C8F17CH2CH(OH)CH2O(CH2CH2O)10H。
【0032】
本発明の撥水撥油剤組成物中のリン原子を含まない含フッ素界面活性剤は、1種であっても2種以上であってもよい。
【0033】
撥水撥油剤組成物中の含フッ素化合物(式2)および/またはリン原子を含まない含フッ素界面活性剤の量は、これらの総量が、リン酸エステル化合物(式1)に対して0.01〜20重量%であるのが好ましく、特に1〜10重量%であるのが好ましい。含フッ素化合物(式2)および/または含フッ素界面活性剤の量が少なすぎる場合には、期待する効果が充分に発現せず、多い場合には逆に撥水撥油剤組成物の安定性が低くなる。
【0034】
撥水撥油剤組成物中に上記含フッ素化合物(式2)および/または上記含フッ素界面活性剤を含ませる時期は特に限定されない。たとえば、リン酸エステル化合物(式1)の合成時、これをアミン塩とする場合はその時、該撥水撥油剤組成物を水性分散液化する時、または撥水撥油剤組成物の濃度を調整する時、等が挙げられる。特に含フッ素化合物(式2)または含フッ素界面活性剤が活性水素を含む化合物である場合には、通常は、アミン塩化とする時、水性分散液化する時、または撥水撥油剤組成物の濃度を調整する時が好ましい。
【0035】
本発明の撥水撥油剤組成物は、水性分散液とするのが好ましい。水性分散液とする場合の水系媒体としては、水のみ、または、水と水溶性の有機溶剤が好ましく、特に水のみが好ましい。水溶性有機溶剤としてはジエタノールアミン、メタノール、エタノール、イソプロピルアルコール剤等が挙げられる。また、水性分散液となった撥水撥油剤組成物中のリン酸エステル化合物(式1)の濃度は0.5〜20重量%となるようにするのが好ましい。
【0036】
本発明の撥水撥油剤組成物を水性分散液とする場合には、充分に分散相溶させる操作として、通常は撹拌を行う。撹拌は大変重要な操作であり、マントンゴーリン、ハイドロシェア、またはマイクロフルイダイザー等の高圧乳化装置を用いて撹拌とともにエマルションを生成させる方法をとるのが効率的であり好ましい。高圧乳化装置の圧力としては10〜500kg/cm2が好ましい。また、加圧時の組成物の温度は30〜90℃とするのが好ましい。また必要に応じて、高圧乳化前に予備的に分散させておくことが高圧乳化の効率を高めることから好ましい。
【0037】
本発明の撥水撥油剤組成物には、必要に応じて他の添加成分を含ませてもよい。他の添加成分としては、他の撥水撥油剤、防虫剤、難燃剤、帯電防止剤、特に紙用の撥水撥油剤組成物を調製する場合にはサイズ剤等が挙げられる。
【0038】
本発明のリン酸エステル系撥水撥油剤組成物で処理される被処理物としては、紙または合成皮革または天然皮革等の皮革が好ましい。本発明の撥水撥油剤組成物は、被処理物に優れた撥水撥油性を付与する。また、耐油性、および耐サイズ性をも付与する。また、本発明の撥水撥油剤組成物は、優れた安定性を示し、その安定性は、水の性質や他の加工剤の存在や夾雑物質の影響を受けず長期に保たれうる。さらに、本発明の撥水撥油剤組成物は、水性分散液とした場合にその分散性が良好である。
【0039】
【作用】
本発明の撥水撥油剤組成物の貯蔵安定性が向上する機構は必ずしも明確ではないが、含フッ素化合物(式2)および/またはリン原子を含まない含フッ素界面活性剤を含むことで、撥水撥油剤組成物中の成分、および該成分から形成される粒子が均一化するためであると推測される。
【0040】
【実施例】
つぎに、実施例および比較例を挙げて本発明を具体的に説明するが、本発明はこれらに限定されない。
【0041】
[参考例1]
撹拌機、滴下漏斗、還流器、温度計の付いたガラス1リットルの4口フラスコにオキシ塩化リン120gを入れ反応器の内温を90℃とした。そこへCF3CF2(CF2CF2)nCH2CH2OH(n=2のもの1モル%、n=3のもの68モル%、n=4のもの24モル%、n=5のもの6モル%、およびn=6のもの1モル%を含む混合物。)605gを5時間かけて滴下した。さらに水21.7gを4時間かけて滴下した。窒素気流により生成した塩化水素ガスを5時間除去した。
【0042】
反応生成物を31PNMRで分析したところP(O)(OH)3、[CF3CF2(CF2CF2)nCH2CH2]P(O)(OH)2、[CF3CF2(CF2CF2)nCH2CH2]2P(O)OH、およびCF3CF2(CF2CF2)nCH2CH2]3P(O)を9:35:51:5(モル比)で含んでおり、実質的にその他の未反応物は含んでいなかった。
【0043】
[参考例2]
撹拌機、滴下漏斗、還流器、温度計の付いたガラス5リットルの4口フラスコにジエタノールアミン120gと水3120gを仕込み90℃とした。そこへ参考例1で得た生成物の全量を、1時間かけて加えた。さらに2時間撹拌することにより、下式1Aで表される化合物、下式1Bで表される化合物、下式1Cで表される化合物、をそれぞれ、7:10:1(モル比)で含む反応生成物を得た。該反応生成物中には、実質的に未反応物は残っていなかった。
【0044】
[CF3CF2(CF2CF2)nCH2CH2]PO(O−)2・[N+H2(CH2CH2OH)2]2 ・・・式1A、
[CF3CF2(CF2CF2)nCH2CH2]2PO(O−)・[N+H2(CH2CH2OH)2] ・・・式1B、
[CF3CF2(CF2CF2)nCH2CH2]3PO ・・・式1C。
【0045】
[実施例1]
参考例2で得られた反応生成物のうち200gにCF3(CF2)6COO−・(N+H4)を0.5g加えて組成物を調製し、該組成物を60〜70℃に保ちながらマントンゴーリン社製の高圧乳化機を用いて200kg/cm2で乳化し、撥水撥油剤エマルションを得た。
【0046】
[実施例2]
CF3(CF2)6COO−・(N+H4)の0.5gに代えてCF3(CF2)7CH2CH2CH2O(CH2CH2O)10Hの0.5gを用いる以外は、実施例1と同様の手順で撥水撥油剤エマルションを得た。
【0047】
[実施例3]
CF3(CF2)6COO−・(N+H4)の0.5gに代えてCF3(CF2)7SO2N(C2H5)(CH2CH2O)10Hの1gを用いる以外は、実施例1と同様の手順で撥水撥油剤エマルションを得た。
【0048】
[比較例2]
CF3(CF2)6COO−・(N+H4)の0.5gに代えてCF3(CF2)7CH2CH2OCOCH=CH2の2gを用いる以外は、実施例1と同様の手順で撥水撥油剤エマルションを得た。
【0049】
[比較例3]
CF3(CF2)6COO−・(N+H4)の0.5gに代えてCF3(CF2)7CH2CH2Clの2gを用いる以外は、実施例1と同様の手順で撥水撥油剤エマルションを得た。
【0050】
[実施例6]
CF3(CF2)6COO−・(N+H4)の0.5gに代えてCF3(CF2)7CH2CH2OH 1gとCF3(CF2)7SO2N(C2H5)(CH2CH2O)10Hの1gを用いる以外は、実施例1と同様の手順で撥水撥油剤エマルションを得た。
【0051】
[比較例1]
参考例2で得た反応生成物200gを60〜70℃に保ちながらマントンゴーリン社製の高圧乳化機を用いて200kg/cm2で乳化し、撥水撥油剤エマルションを得た。
【0052】
[性能評価]
本実施例で得られた撥水撥油剤エマルションの性能を評価するにあたり、試験パルプはNBKP/LBKP(3/7)叩解度35SRを使用した。また、定着剤(スミレッツレジンFC50L)をパルプに対して0.2重量%(固形分濃度)を用い、撥水撥油剤はパルプに対して0.35重量%(固形分濃度)用い、これらを内添法により紙に定着させたものを評価サンプルとした。
【0053】
[耐油性試験]
耐油性は3Mキットテスト(TAPPI−RC−338)により測定した。3Mキットテスト法においては、下表1に示すように配合(単位:cc)された試験油(キット番号1〜16)を評価サンプル表面におき、該試験油が浸透するか否かを判定し、浸透した試験油のキット番号のうち一番大きなキット番号を測定した。キット番号が大きいほうが耐油性に優れることを意味する。結果を下表2に示す。
【0054】
【表1】
【0055】
[サイズ性試験]
サイズ度は、JIS P8122ステキヒト法に準じて試験を行った。判定は塩化第二鉄の液中に紅点が1点発生した時間(単位:秒)を記録した。該時間が長いほうがサイズ性に優れることを意味する。結果を下表2に示す。
【0056】
[貯蔵安定性試験]
実施例および比較例で得られたエマルションを内径20mmのガラス製比色管に30cmの高さまで仕込み30℃で30日間保存した後の二層分離状況を観察し、上層の透明層の割合(単位:体積%)を測定した。結果を表2に示す。
【0057】
【表2】
【0058】
【発明の効果】
また、本発明の撥水撥油剤組成物は、優れた撥水撥油性を被処理物に付与しうる優れた組成物である。該組成物を紙に処理した場合には、紙に優れた撥油性、および、耐サイズ性を付与する。また、本発明の撥水撥油剤組成物は、リン酸エステル化合物(式1)が混合物であったとしても、また、リン酸エステル化合物がポリフルオロアルキル基を3つ有する高い分子量の化合物を含まれていたとしても、層分離することなく、優れた貯蔵安定性を発揮する。また、他の添加剤が存在したとしても貯蔵安定性に優れる。さらに、本発明の撥水撥油剤組成物を、紙に処理する場合には、優れた耐油性およびサイズ性を発揮しうる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a novel water / oil repellent composition. The water / oil repellent composition of the present invention is a water / oil repellent composition that is excellent in storage stability and can impart excellent water / oil repellency to various objects to be treated. Furthermore, the present invention relates to a water / oil repellent composition that particularly exhibits high sizing properties when processed on paper, and particularly exhibits high water repellency when processed on natural leather or synthetic leather.
[0002]
[Prior art]
Conventionally, water- and oil-repellent agents for paper containing an amine salt of a phosphoric ester having a perfluoroalkyl group as an active ingredient are known, and an internal addition method in which a water- and oil-repellent agent is added during papermaking, or papermaking It is widely used in the external addition method in which the paper is immersed in a water / oil repellent. However, conventional water and oil repellents have low storage stability and have the problem of causing layer separation during long-term storage.
[0003]
In addition, the amine salt of a phosphate ester having a perfluoroalkyl group is susceptible to the hardness and impurities of water used and other processing agents used in combination in the papermaking process, and sometimes produces precipitates and gums. There was a problem that caused troubles such as dirt on the processing roll.
[0004]
In order to solve these problems, an oil-proofing agent for paper (JP-A 64-6196), a fluoroaliphatic hydrocarbon, or a salt of a phosphate ester having a perfluoroalkyl group and a hydrocarbon-based anionic surfactant A water / oil repellent (JP-A-56-138197) has been proposed which has improved dispersion stability by adding a chlorofluoroaliphatic hydrocarbon.
[0005]
[Problems to be solved by the invention]
However, there was a problem that the oil repellency was lowered when a hydrocarbon-based anionic surfactant was used. Further, there has been a problem that the use of fluoroaliphatic hydrocarbons or chlorofluoroaliphatic hydrocarbons is regulated as a depleting substance of the ozone layer or a global warming substance.
[0006]
[Means for Solving the Problems]
The present invention has been made to solve the above problems, and is a novel water and oil repellent composition having excellent storage stability and oil repellency, and having no environmental problems. I will provide a. Furthermore, the present invention provides a water / oil repellent composition that exhibits excellent water / oil repellent performance when treated on paper or leather, and a processed paper or processed leather treated with the water / oil repellent composition. To do.
[0007]
That is, the present invention provides a water / oil repellent composition comprising a phosphate ester compound represented by the following formula 1 as an essential component, comprising a fluorine-containing surfactant comprising a compound represented by the following formula 3. Provided are a water / oil repellent composition, a processed paper treated with the water / oil repellent composition, and a natural or synthetic processed leather treated with the water / oil repellent composition.
[0008]
However, the symbols in the formulas have the following meanings.
R f 1 : a polyfluoroalkyl group.
m: An integer of 1 to 3.
n: An integer of 0-2. However, (m + n) is 1, 2, or 3 .
Q : a divalent organic group.
Y + : counter ion.
R f3 : a C 4-16 perfluoroalkyl group.
Z: -SO 3 - M +, -SO 2 NR 4 CH 2 COO - M +, -COO - (N + H 4), - CONH (CH 2) s COO - M +, -CONH (CH 2) t N + (CH 3) R 4 (CH 2 COO -), - CONH (CH 2) t N + (CH 3) 2 (CH 2 COO -), - CONH (CH 2) s O (CH 2) t N + (CH 3 ) (CH 2 R 4 ) (COO − ), —SO 2 NR 4 (CH 2 CH 2 O) u R 4 , —CONH (CH 2 ) t (N → O) (CH 3 ) 2 , -CONH (CH 2 CH 2 O) u R 4, - (CH 2) s O (CH 2 CH 2 O) u R 4 or -CH 2 CH (OH) CH 2 O (CH 2 CH 2 O) u, R 4 (where M is Na, K or NH 4 , R 4 is hydrogen) An atom, a lower alkyl group, or a hydroxyalkyl group, s and t each independently represent an integer of 0 to 10, and u represents an integer of 2 to 30).
[0009]
(R f1 -QO-) m PO ( OH) n (O -) 3-mn · (Y +) 3-mn ··· Formula 1
R f3 −Z Formula 3
[0010]
DETAILED DESCRIPTION OF THE INVENTION
The water / oil repellent composition of the present invention is a water / oil repellent composition comprising a specific phosphate compound as an essential component. The specific phosphate compound has a structure represented by Formula 1. Further, the water / oil repellent composition of the present invention contains a fluorine-containing surfactant composed of the compound represented by Formula 3 .
Moreover, the water / oil repellent composition of the present invention may further contain a fluorine-containing compound represented by Formula 2.
However, the symbols in the formulas have the following meanings.
R f2 : a polyfluoroalkyl group.
k: 0 or 1
X: hydroxyl group, halogen atom, R 1 or —OCOR 2 (where R 1 and R 2 each represent a hydrogen atom, a lower alkyl group, or an alkenyl group)
R f2 (CH 2 CH 2 ) k X Formula 2
[0011]
R f1 and R f2 in Formula 1 or Formula 2 may be the same or different and each represents a polyfluoroalkyl group. Hereinafter, the polyfluoroalkyl group is referred to as an R f group.
[0012]
The R f group refers to a group in which two or more hydrogen atoms of an alkyl group are substituted with fluorine atoms. 2-20 are preferable and, as for carbon number of Rf group, 6-16 are especially preferable. The R f group is preferably a linear or branched group, and particularly preferably a linear group. In the case of a branched group, it is preferable that the branched portion is present at the terminal portion of the R f group and is a short chain having about 1 to 4 carbon atoms. The R f group may contain a halogen atom other than the fluorine atom. As another halogen atom, a chlorine atom is preferable.
[0013]
An etheric oxygen atom may be inserted between carbon-carbon bonds in the R f group. Examples of the structure of the terminal portion of the R f group include —CF 2 CF 3 , —CF (CF 3 ) 2 , —CF 2 H, —CFH 2 , —CF 2 Cl, and the like, —CF 2 CF 3 is preferable. .
[0014]
The number of fluorine atoms in the R f group is [(number of fluorine atoms in the R f group) / (number of hydrogen atoms contained in the corresponding alkyl group having the same carbon number as the R f group)] × 100 (%) Is preferably 60% or more, particularly preferably 80% or more.
[0015]
Further, the R f group is preferably a group in which all of the hydrogen atoms of the alkyl group are substituted with fluorine atoms (that is, a perfluoroalkyl group) or a group having a perfluoroalkyl group at the terminal portion.
[0016]
2-20 are preferable and, as for carbon number of a perfluoroalkyl group, 6-16 are especially preferable. When the number of carbon atoms is less than 6, the water repellency and oil repellency tend to be lowered. When the number is more than 16, the melting point becomes high and the solubility may be lowered.
[0017]
Specific examples of the R f group include the following groups.
C 4 F 9 - [CF 3 (CF 2) 3 -, (CF 3) 2 CFCF 2 -, the (CF 3) 3 C-, and CF 3 CF 2 (CF 3) CF- like structural isomers groups including], C 5 F 11 - [example CF 3 (CF 2) 4 - ], C 6 F 13 - [ example CF 3 (CF 2) 5 - ], C 7 F 15 - [ example CF 3 (CF 2) 6 -], C 8 F 17 - [ example CF 3 (CF 2) 7 - ], C 9 F 19 - [ example CF 3 (CF 2) 8 - ], C 10 F 21 - [ example CF 3 (CF 2 ) 9 -], C 12 F 25 - [ example CF 3 (CF 2) 11 - ], C 14 F 29 - [ example CF 3 (CF 2) 13 - ], C 16 F 33 - [ example CF 3 (CF 2) 15 -], CClF 2 (CF 2) s − (where s is an integer of 1 to 15), CF 2 H (CF 2 ) t — (where t is an integer of 1 to 15), (CF 3 ) 2 CF (CF 2 ) y − ( Here, y is an integer of 1 to 14).
[0018]
Specific examples of the case where the R f group is a group in which an etheric oxygen atom is inserted between carbon-carbon bonds include the following groups.
CF 3 (CF 2) 4 OCF (CF 3) -, F [CF (CF 3) CF 2 O] r CF (CF 3) CF 2 CF 2 -, F [CF (CF 3) CF 2 O] z CF (CF 3) -, F [ CF (CF 3) CF 2 O] u CF 2 CF 2 -, F (CF 2 CF 2 CF 2 O) v CF 2 CF 2 -, F (CF 2 CF 2 O) w CF 2 CF 2 — (r and z are each an integer of 1 to 10, u is an integer of 2 to 6, v is an integer of 1 to 11, and w is an integer of 1 to 11).
[0019]
In addition, R f1 in Formula 1 is preferably a linear perfluoroalkyl group represented by — (CF 2 ) i CF 3 (i is an integer of 4 to 16, and preferably an integer of 6 to 12). . m is an integer of 1 to 3, n is an integer of 0 to 2, and (m + n) is 1, 2, or 3. m is preferably 1 or 2, and n is preferably 0. Q is a divalent organic group, preferably —CH 2 CH 2 — or —SO 2 N (R 4 ) CH 2 CH 2 — (R 4 is a lower alkyl group). Y + represents [HN (R 1 ) (R 2 ) (R 3 )] + (wherein R 1 , R 2 , and R 3 may be the same or different, and each represents a hydrogen atom,- CH 2 CH 2 OH, —CH 2 CH 2 CH 2 OH, —CH (CH 3 ) CH 2 OH, or —CH 2 CH (OH) CH 3 is preferred.), R 1 is a hydrogen atom, and, when R 2 and R 3 are -CH 2 CH 2 OH is preferred.
[0020]
Specific examples of the phosphate ester (formula 1) include the following compounds. In addition, the structure of the perfluoroalkyl group part in a formula contains a group of structural isomerism, and a linear perfluoroalkyl group is preferable.
[0021]
[C 8 F 17 CH 2 CH 2 O] 3 PO,
[C 8 F 17 CH 2 CH 2 O] 2 PO (O -) · [N + H 2 (CH 2 CH 2 OH) 2],
[C 8 F 17 CH 2 CH 2 O] PO (OH) (O -) [N + H 2 (CH 2 CH 2 OH) 2],
[C 8 F 17 CH 2 CH 2 O] PO (O − ) 2. [N + H 2 (CH 2 CH 2 OH) 2 ] 2 ,
[C 6 F 13 CH 2 CH 2 O] 3 PO,
[C 6 F 13 CH 2 CH 2 O] 2 PO (O -) · [N + H 2 (CH 2 CH 2 OH) 2],
[C 6 F 13 CH 2 CH 2 O] PO (O − ) 2. [N + H 2 (CH 2 CH 2 OH) 2 ] 2 ,
[C 10 F 21 CH 2 CH 2 O] 3 PO,
[C 10 F 21 CH 2 CH 2 O] 2 PO (O -) · [N + H 2 (CH 2 CH 2 OH) 2],
[C 10 F 21 CH 2 CH 2 O] PO (O − ) 2. [N + H 2 (CH 2 CH 2 OH) 2 ] 2 ,
[C 12 F 25 CH 2 CH 2 O] 3 PO,
[C 12 F 25 CH 2 CH 2 O] 2 PO (O -) · [N + H 2 (CH 2 CH 2 OH) 2],
[C 12 F 25 CH 2 CH 2 O] PO (O -) 2 · [N + H 2 (CH 2 CH 2 OH) 2] 2,
[C 8 F 17 CH 2 CH 2 O] 2 PO (O -) · [N + H 4],
[C 8 F 17 CH 2 CH 2 O] PO (O − ) 2. [N + H 4 ] 2 ,
[C 8 F 17 SO 2 N (C 2 H 5) CH 2 CH 2 O] 2 PO (O -) · [N + H 2 (CH 2 CH 2 OH) 2],
[C 8 F 17 SO 2 N (C 2 H 5 ) CH 2 CH 2 O] PO (O − ) 2. [N + H 2 (CH 2 CH 2 OH) 2 ] 2 ,
[C 8 F 17 CH 2 CH 2 O] 2 PO (O -) · (Na +).
[0022]
The phosphate ester (formula 1) in the water / oil repellent composition may be one type or two or more types. When it is two or more, it may be a mixture of two or more compounds having different m or n, or may be a mixture of two or more compounds having different R f1 carbon numbers.
[0023]
R f2 in Formula 2 is preferably a linear perfluoroalkyl group represented by — (CF 2 ) h CF 3 (h is an integer of 4 to 16, preferably an integer of 6 to 12). k is 0 or 1.
[0024]
In Formula 2, X is a hydroxyl group, a halogen atom, R 1 or —OCOR 2 (wherein R 1 and R 2 each represent a hydrogen atom, a lower alkyl group, or an alkenyl group), Is preferably an iodine atom. When R 1 and R 2 are each a lower alkyl group, a methyl group or an ethyl group is preferable. When R 1 and R 2 are each an alkenyl group, a lower alkenyl group is preferable, and a vinyl group, 2-propenyl group, 2-butenyl group, or 3-butenyl group is preferable. X is preferably a group shown in the following specific examples.
[0025]
Specific examples of the fluorine-containing compound (Formula 2) include the following compounds. In addition, the structure of the perfluoroalkyl group part in a formula contains a group of structural isomerism, and a linear perfluoroalkyl group is preferable.
C 8 F 17 CH═CH 2 ,
C 8 F 17 CH 2 CH 2 OCOCH = CH 2,
C 8 F 17 CH 2 CH 2 I,
C 8 F 17 CH 2 CH 2 OH,
C 8 F 17 CH 2 CH 2 OCOH,
C 8 F 17 CH 2 CH 2 Cl,
C 8 F 17 I.
[0026]
The fluorine-containing compound (formula 2) in the water / oil repellent composition may be one type or two or more types. When it is 2 or more, it is preferably composed of 2 or more compounds having different carbon numbers of R f2 .
[0027]
Further, Oite the present invention, Ru using a fluorinated surfactant made of a compound of formula 3.
[0028 ]
[0029 ]
[0030]
Specific examples of the fluorine-containing surfactants include the following compounds.
[0031]
C 8 F 17 SO 3 - · Na +,
C 8 F 17 SO 2 N (CH 2 CH 3 ) (CH 2 COO − ) · K + ,
C 7 F 15 COO - · ( N + H 4),
C 8 F 17 CONH (CH 2 ) 5 COO - · (N + H 4),
C 8 F 17 CONH (CH 2 ) 3 N + (CH 3) 2 CH 2 COO -,
C 8 F 17 CONH (CH 2 ) 2 O (CH 2) 3 N + (CH 3) 2 · (CH 2 COO -),
C 8 F 17 SO 2 N ( C 2 H 5) (CH 2 CH 2 O) 10 H,
C 9 F 19 CONH (CH 2 ) 3 N (→ O) (CH 3 ) 2 ,
C 9 F 19 CONH (CH 2 CH 2 O) 10 CH 3,
C 8 F 17 CH 2 CH 2 O (CH 2 CH 2 O) 5 H,
C 8 F 17 CH 2 CH 2 CH 2 O (CH 2 CH 2 O) 10 H,
C 8 F 17 CH 2 CH ( OH) CH 2 O (CH 2 CH 2 O) 10 H.
[0032]
The fluorine-containing surfactant containing no phosphorus atom in the water / oil repellent composition of the present invention may be one type or two or more types.
[0033]
The amount of the fluorine-containing compound (formula 2) and / or the fluorine-containing surfactant that does not contain a phosphorus atom in the water / oil repellent composition is 0. It is preferably from 01 to 20% by weight, particularly preferably from 1 to 10% by weight. When the amount of the fluorine-containing compound (formula 2) and / or the fluorine-containing surfactant is too small, the expected effect is not sufficiently exhibited, and when the amount is large, the stability of the water / oil repellent composition is conversely increased. Lower.
[0034]
There is no particular limitation on the time when the fluorine-containing compound (formula 2) and / or the fluorine-containing surfactant is included in the water / oil repellent composition. For example, at the time of synthesizing a phosphoric ester compound (formula 1), when this is used as an amine salt, adjusting the concentration of the water / oil repellent composition at that time, or when making the water / oil repellent composition into an aqueous dispersion. And so on. In particular, when the fluorine-containing compound (formula 2) or the fluorine-containing surfactant is a compound containing active hydrogen, it is usually used for amine salification, aqueous dispersion, or water / oil repellent composition concentration. It is preferable to adjust.
[0035]
The water / oil repellent composition of the present invention is preferably an aqueous dispersion. As the aqueous medium in the case of an aqueous dispersion, only water or water and a water-soluble organic solvent are preferable, and only water is particularly preferable. Examples of the water-soluble organic solvent include diethanolamine, methanol, ethanol, isopropyl alcohol agent and the like. In addition, the concentration of the phosphoric acid ester compound (formula 1) in the water / oil repellent composition that is an aqueous dispersion is preferably 0.5 to 20% by weight.
[0036]
When the water / oil repellent composition of the present invention is used as an aqueous dispersion, stirring is usually performed as an operation for sufficiently dispersing and compatibilizing. Stirring is a very important operation, and it is efficient and preferable to use a high-pressure emulsifying apparatus such as Manton Gorin, Hydroshear, or microfluidizer to produce an emulsion together with stirring. The pressure of the high-pressure emulsifier is preferably 10 to 500 kg / cm 2 . Moreover, it is preferable that the temperature of the composition at the time of pressurization shall be 30-90 degreeC. Further, if necessary, it is preferable to preliminarily disperse before high-pressure emulsification from the viewpoint of increasing the efficiency of high-pressure emulsification.
[0037]
The water / oil repellent composition of the present invention may contain other additive components as necessary. Examples of other additive components include other water / oil repellents, insecticides, flame retardants, antistatic agents, and particularly sizing agents when preparing water / oil repellent compositions for paper.
[0038]
The article to be treated treated with the phosphate ester water / oil repellent composition of the present invention is preferably leather such as paper, synthetic leather or natural leather. The water / oil repellent composition of the present invention imparts excellent water / oil repellency to an object to be treated. It also provides oil resistance and size resistance. Further, the water / oil repellent composition of the present invention exhibits excellent stability, and the stability can be maintained for a long time without being affected by the properties of water, the presence of other processing agents, or contaminants. Furthermore, the water / oil repellent composition of the present invention has good dispersibility when it is made into an aqueous dispersion.
[0039]
[Action]
The mechanism for improving the storage stability of the water / oil repellent composition of the present invention is not necessarily clear, but by including a fluorine-containing compound (formula 2) and / or a fluorine-containing surfactant containing no phosphorus atom, This is presumably because the components in the water / oil repellent composition and the particles formed from the components are made uniform.
[0040]
【Example】
Next, a detailed explanation of the present invention by way of comparative examples and our embodiment, the present invention is not limited thereto.
[0041]
[Reference Example 1]
120 g of phosphorus oxychloride was placed in a 1-liter glass 4-neck flask equipped with a stirrer, dropping funnel, reflux condenser and thermometer, and the internal temperature of the reactor was adjusted to 90 ° C. CF 3 CF 2 (CF 2 CF 2 ) n CH 2 CH 2 OH (1 mol% of n = 2, 68 mol% of n = 3, 24 mol% of n = 4, n = 5) A mixture containing 6 mol% of the product and 1 mol% of n = 6.) 605 g was added dropwise over 5 hours. Further, 21.7 g of water was added dropwise over 4 hours. Hydrogen chloride gas generated by a nitrogen stream was removed for 5 hours.
[0042]
When the reaction product was analyzed by 31 PNMR, P (O) (OH) 3 , [CF 3 CF 2 (CF 2 CF 2 ) n CH 2 CH 2 ] P (O) (OH) 2 , [CF 3 CF 2 (CF 2 CF 2) n CH 2 CH 2] 2 P (O) OH, and CF 3 CF 2 (CF 2 CF 2) n CH 2 CH 2] 3 P a (O) 9: 35: 51 : 5 ( (Molar ratio) and substantially no other unreacted substances.
[0043]
[Reference Example 2]
120 g of diethanolamine and 3120 g of water were charged into a glass 5-liter four-necked flask equipped with a stirrer, a dropping funnel, a reflux condenser and a thermometer, and the temperature was adjusted to 90 ° C. The total amount of the product obtained in Reference Example 1 was added thereto over 1 hour. Further, by stirring for 2 hours, the reaction represented by 7: 10: 1 (molar ratio) of the compound represented by the following formula 1A, the compound represented by the following formula 1B, and the compound represented by the following formula 1C, respectively The product was obtained. In the reaction product, substantially no unreacted product remained.
[0044]
[CF 3 CF 2 (CF 2 CF 2 ) n CH 2 CH 2 ] PO (O − ) 2. [N + H 2 (CH 2 CH 2 OH) 2 ] 2 Formula 1A
[CF 3 CF 2 (CF 2 CF 2) n CH 2 CH 2] 2 PO (O -) · [N + H 2 (CH 2 CH 2 OH) 2] ··· formula 1B,
[CF 3 CF 2 (CF 2 CF 2 ) n CH 2 CH 2 ] 3 PO Formula 1C.
[0045]
[Example 1]
A composition is prepared by adding 0.5 g of CF 3 (CF 2 ) 6 COO −. (N + H 4 ) to 200 g of the reaction product obtained in Reference Example 2, and the composition is heated to 60 to 70 ° C. The emulsion was emulsified at 200 kg / cm 2 using a high-pressure emulsifier manufactured by Manton Gorin Co. to obtain a water / oil repellent emulsion.
[0046]
[Example 2]
Instead of 0.5 g of CF 3 (CF 2 ) 6 COO −. (N + H 4 ), 0.5 g of CF 3 (CF 2 ) 7 CH 2 CH 2 CH 2 O (CH 2 CH 2 O) 10 H A water / oil repellent emulsion was obtained in the same procedure as in Example 1 except that.
[0047]
[Example 3]
1 g of CF 3 (CF 2 ) 7 SO 2 N (C 2 H 5 ) (CH 2 CH 2 O) 10 H instead of 0.5 g of CF 3 (CF 2 ) 6 COO − (N + H 4 ) A water / oil repellent emulsion was obtained in the same procedure as in Example 1 except that.
[0048]
[ Comparative Example 2 ]
The same as Example 1 except that 2 g of CF 3 (CF 2 ) 7 CH 2 CH 2 OCOCH═CH 2 is used instead of 0.5 g of CF 3 (CF 2 ) 6 COO − (N + H 4 ). The water / oil repellent emulsion was obtained by the procedure described above.
[0049]
[ Comparative Example 3 ]
The same procedure as in Example 1 was used except that 2 g of CF 3 (CF 2 ) 7 CH 2 CH 2 Cl was used instead of 0.5 g of CF 3 (CF 2 ) 6 COO −. (N + H 4 ). A water / oil repellent emulsion was obtained.
[0050]
[Example 6]
Instead of 0.5 g of CF 3 (CF 2 ) 6 COO −. (N + H 4 ), 1 g of CF 3 (CF 2 ) 7 CH 2 CH 2 OH and CF 3 (CF 2 ) 7 SO 2 N (C 2 A water / oil repellent emulsion was obtained in the same procedure as in Example 1 except that 1 g of H 5 ) (CH 2 CH 2 O) 10 H was used.
[0051]
[Comparative Example 1]
200 g of the reaction product obtained in Reference Example 2 was emulsified at 200 kg / cm 2 using a high-pressure emulsifier manufactured by Manton Gorin while maintaining the temperature at 60 to 70 ° C. to obtain a water / oil repellent emulsion.
[0052]
[Performance evaluation]
In evaluating the performance of the water / oil repellent emulsion obtained in this example, NBKP / LBKP (3/7) beating degree 35SR was used as the test pulp. In addition, 0.2% by weight (solid content concentration) of the fixing agent (Violet Resin FC50L) is used with respect to the pulp, and 0.35% by weight (solid content concentration) of the water and oil repellent agent is used with respect to the pulp. Was fixed on paper by the internal addition method as an evaluation sample.
[0053]
[Oil resistance test]
Oil resistance was measured by 3M kit test (TAPPI-RC-338). In the 3M kit test method, the test oil (kit number 1 to 16) formulated (unit: cc) as shown in Table 1 below is placed on the surface of the evaluation sample, and it is determined whether or not the test oil penetrates. The highest kit number among the kit numbers of the permeated test oil was measured. A larger kit number means better oil resistance. The results are shown in Table 2 below.
[0054]
[ Table 1 ]
[0055]
[Sizing test]
The sizing degree was tested according to the JIS P8122 Steech human method. The determination was made by recording the time (unit: seconds) at which one red spot occurred in the ferric chloride solution. The longer the time, the better the size. The results are shown in Table 2 below.
[0056]
[Storage stability test]
The emulsion obtained in Examples and Comparative Examples was charged in a glass colorimetric tube with an inner diameter of 20 mm to a height of 30 cm and observed at 30 ° C. for 30 days to observe the two-layer separation, and the ratio of the upper transparent layer (unit) : Volume%). The results are shown in Table 2.
[0057]
[ Table 2 ]
[0058]
【The invention's effect】
Moreover, the water / oil repellent composition of the present invention is an excellent composition capable of imparting excellent water / oil repellency to an object to be treated. When the composition is processed into paper, it imparts excellent oil repellency and size resistance to the paper. Further, the water / oil repellent composition of the present invention contains a high molecular weight compound having three polyfluoroalkyl groups, even if the phosphate ester compound (formula 1) is a mixture. Even if it is, it exhibits excellent storage stability without layer separation. Moreover, even if other additives are present, the storage stability is excellent. Furthermore, when the water / oil repellent composition of the present invention is processed on paper, it can exhibit excellent oil resistance and size.
Claims (5)
ただし、式中の記号は以下の意味を示す。
Rf1 :ポリフルオロアルキル基。
m:1〜3の整数。
n:0〜2の整数。ただし、(m+n)は1、2、または3。
Q:2価有機基。
Y+:対イオン。
R f3 :炭素数4〜16のペルフルオロアルキル基。
Z:−SO 3 − M + 、−SO 2 NR 4 CH 2 COO − M + 、−COO − (N + H 4 )、−CONH(CH 2 ) s COO − M + 、−CONH(CH 2 ) t N + (CH 3 )R 4 (CH 2 COO − )、−CONH(CH 2 ) t N + (CH 3 ) 2 (CH 2 COO − )、−CONH(CH 2 ) s O(CH 2 ) t N + (CH 3 )(CH 2 R 4 )(COO − )、−SO 2 NR 4 (CH 2 CH 2 O) u R 4 、−CONH(CH 2 ) t (N→O)(CH 3 ) 2 、−CONH(CH 2 CH 2 O) u R 4 、−(CH 2 ) s O(CH 2 CH 2 O) u R 4 、または−CH 2 CH(OH)CH 2 O(CH 2 CH 2 O) u R 4 (ただしMは、Na、K、またはNH 4 、R 4 は水素原子、低級アルキル基、またはヒドロキシアルキル基、s、tは、それぞれ独立に0〜10の整数、uは2〜30の整数、を示す。)。
(Rf1-Q-O-)mPO(OH)n(O-)3-m-n・(Y+)3-m-n ・・・式1
R f3 −Z ・・・式3 A water / oil repellent composition comprising a phosphoric acid ester compound represented by the following formula 1 as an essential component, comprising a fluorine-containing surfactant comprising a compound represented by the following formula 3 : .
However, the symbols in the formulas have the following meanings.
R f 1 : a polyfluoroalkyl group.
m: An integer of 1 to 3.
n: An integer of 0-2. However, (m + n) is 1, 2, or 3 .
Q : a divalent organic group.
Y + : counter ion.
R f3 : a C 4-16 perfluoroalkyl group.
Z: -SO 3 - M +, -SO 2 NR 4 CH 2 COO - M +, -COO - (N + H 4), - CONH (CH 2) s COO - M +, -CONH (CH 2) t N + (CH 3) R 4 (CH 2 COO -), - CONH (CH 2) t N + (CH 3) 2 (CH 2 COO -), - CONH (CH 2) s O (CH 2) t N + (CH 3 ) (CH 2 R 4 ) (COO − ), —SO 2 NR 4 (CH 2 CH 2 O) u R 4 , —CONH (CH 2 ) t (N → O) (CH 3 ) 2 , -CONH (CH 2 CH 2 O) u R 4, - (CH 2) s O (CH 2 CH 2 O) u R 4 or -CH 2 CH (OH) CH 2 O (CH 2 CH 2 O) u, R 4 (where M is Na, K or NH 4 , R 4 is hydrogen) An atom, a lower alkyl group, or a hydroxyalkyl group, s and t each independently represent an integer of 0 to 10, and u represents an integer of 2 to 30).
(R f1 -QO-) m PO ( OH) n (O -) 3-mn · (Y +) 3-mn ··· Formula 1
R f3 −Z Formula 3
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JP2011173959A (en) * | 2010-02-23 | 2011-09-08 | Unimatec Co Ltd | Method for producing fluorine-containing polymer latex |
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