JP4101521B2 - Soft finish composition - Google Patents

Description

【０００９】
を１個有し、かつ炭素数11〜22の長鎖炭化水素基を更にもう１個有する第４級アンモニウム塩から選ばれる１種以上の化合物
(b)成分；炭素数11〜22の長鎖炭化水素基を１個有する第４級アンモニウム塩から選ばれる１種以上の化合物
(c)成分；炭素数８〜22の分岐鎖を有する高級アルコールにエチレンオキシド（以下、EOと表記する）を平均で20〜40モル付加した化合物
(d)成分；エーテル結合を含まない炭素数１〜４の１〜３価アルコール
(e)成分；エーテル結合を含む１〜３価アルコール
【００１０】
【発明の実施の形態】
＜(a)成分＞
本発明における(a)成分は、分子内に
【００１１】
【化５】

【００１２】
を１個有し、かつ炭素数11〜22の長鎖炭化水素基を更にもう１個有する第４級アンモニウム塩から選ばれる１種以上の化合物である。(a)成分としては、下記の一般式(a-1)で表される化合物が好ましい。
【００１３】
【化６】

【００１４】
〔式中、
R¹，R²；同一でも異なっていてもよく、それぞれ炭素数１〜３のアルキル基又はヒドロキシアルキル基
R³，R⁴；同一でも異なっていてもよく、それぞれ直鎖の炭素数11〜22のアルキル基又はアルケニル基
X^-；ハロゲンイオン、CH₃SO₄ ^-又はC₂H₅SO₄ ^-
n；２又は３の数
である。〕。
【００１５】
本発明において、(a)成分に含まれる脂肪酸残基中の直鎖の長鎖炭化水素基R（一般式(a-1)中の直鎖の長鎖炭化水素基R³，R⁴）は牛脂、豚脂、パーム油、ヒマシ油、オリーブ油等の天然由来の油脂を原料とするのが一般的であり、そのまま第４級アンモニウム塩混合物の調製に用いることができる。また、部分水素化又は完全水素化等の公知の方法により炭化水素基の飽和／不飽和含有量を調節できる。不飽和炭化水素基には異性体として、シス体、トランス体が存在するが、シス体／トランス体＝97／３〜20／80（重量比）の範囲内であることが好ましい。
【００１６】
＜(b)成分＞
本発明における(b)成分は、炭素数11〜22の長鎖炭化水素基を１個有する第４級アンモニウム塩から選ばれる１種以上の化合物であり、(b)成分としては、下記の一般式(b-1)で表される化合物が好ましい。
【００１７】
【化７】

【００１８】
〔式中、
R⁵，R⁶；同一でも異なっていてもよく、それぞれ炭素数１〜３のアルキル基又はヒドロキシアルキル基
R⁷；直鎖の炭素数11〜22のアルキル基又はアルケニル基
Y^-；ハロゲンイオン、CH₃SO₄ ^-又はC₂H₅SO₄ ^-
m；２又は３の数
である。〕。
【００１９】
本発明において、(b)成分に含まれる脂肪酸残基中の直鎖の長鎖炭化水素基R（一般式(b-1)中の直鎖の長鎖炭化水素基R⁷）は牛脂、豚脂、パーム油、ヒマシ油、オリーブ油等の天然由来の油脂を原料とするのが一般的であり、そのまま第４級アンモニウム塩混合物の調製に用いることができる。また、部分水素化又は完全水素化等の公知の方法により炭化水素基の飽和／不飽和含有量を調節できる。不飽和炭化水素基には異性体として、シス体、トランス体が存在するが、シス体／トランス体＝97／３〜20／80（重量比）の範囲内であることが好ましい。
【００２０】
＜(c)成分＞
本発明における(c)成分は、炭素数８〜22の分岐鎖を有する高級アルコールにEOを平均で20〜40モル付加した化合物である。これらの中でも、EOの平均付加モル数が20〜40モルのイソトリデシルアルコールエトキシレートが好ましい。さらに好ましくはEOの平均付加モル数が20〜35モルのイソトリデシルアルコールエトキシレートである。平均付加モル数が20モル以上であれば凍結復元時の高粘度化が抑制でき、一方、40モル以下であれば高温保存下の増粘が抑制できる。
【００２１】
＜(d)成分＞
本発明における(d)成分は、エーテル結合〔エーテル化合物を形成するオキシ基（-O-基）〕を含まない炭素数１〜４の１〜３価アルコールである。(d)成分は、エーテル結合以外の結合を含んでいても良い。
【００２２】
本発明の(d)成分は、(a)成分及び／又は(b)成分を製造する時の条件を適宜調整することにより組成物中に含有させることができ、また(d)成分を別に配合してもよい。
【００２３】
(d)成分としては、メタノール、エタノール、プロパノール等の１価アルコール、エチレングリコール、プロピレングリコール等の２価アルコール、グリセリン等の３価アルコールが挙げられる。これらの中でもエチレングリコールが好ましい。
【００２４】
＜(e)成分＞
本発明における(e)成分は、エーテル結合を含む１〜３価アルコールである。本発明においては、(e)成分を配合することにより、より過酷な条件でも優れた保存安定性が得られる。
【００２５】
(e)成分としては、炭素数２〜10のものが好ましく、炭素数４〜８のものがより好ましい。(e)成分の具体例としては、エチレングリコールモノメチルエーテル、エチレングリコールモノフェニルエーテル等の１価アルコール、ジエチレングリコール、ジプロピレングリコール等の２価アルコール、ペンタエリスリトールモノメチルエーテル等の３価アルコールが挙げられる。これらの中でもジプロピレングリコールが好ましい。
【００２６】
＜柔軟仕上剤組成物＞
本発明において、(a)成分と(b)成分の重量比は、保存安定性の点で、(a)成分／(b)成分＝99／１〜70／30であり、90／10〜80／20がさらに好ましい。この重量比を満たした上で、(a)成分と(b)成分は、本発明の柔軟仕上剤組成物中に、合計で好ましくは３〜25重量％、より好ましくは４〜20重量％配合される。この配合量が３重量％以上であれば柔軟性を付与するために多量の組成物を使用する必要がなく、一方、25重量％以下であれば製品粘度及びハンドリング性も良好である。
【００２７】
また、(c)成分は、本発明の柔軟仕上剤組成物中に好ましくは0.5〜５重量％、より好ましくは0.5〜３重量％配合される。この配合量が0.5重量％以上であれば凍結復元時の粘度増加を抑制でき、一方、５重量％以下であれば配合直後の分離を抑制できる。
【００２８】
また、(a)成分と(b)成分の合計と(c)成分の重量比は、〔(a)成分＋(b)成分〕／(c)成分＝0.6〜50、更に５〜30、特に10〜15が、保存安定性の点から、好ましい。
【００２９】
また、(d)成分は、保存安定性の点から、本発明の柔軟仕上剤組成物中に好ましくは4.5〜15重量％、より好ましくは６〜10重量％配合される。
【００３０】
また、(e)成分は、保存安定性の点から、本発明の柔軟仕上剤組成物中に好ましくは0.1〜1.5重量％、より好ましくは0.2〜１重量％配合される。
【００３１】
また、(d)成分と(e)成分の重量比は、(d)／(e)＝３〜150、更に５〜75、特に７〜30が、保存安定性の点から好ましい。
【００３２】
＜(f)成分＞
本発明の柔軟仕上剤組成物には、衣類により高い柔軟性、弾力性を付与する目的で、(f)成分として、炭素数８〜22の脂肪酸と３〜６価の多価アルコールとのエステル化物から選ばれる１種以上の化合物を配合することができる。(f)成分も、(d)成分同様、(a)成分及び／又は(b)成分を製造する時の条件を適宜調整することにより組成物中に含有させることができ、また(f)成分を別に配合してもよい。
【００３３】
(f)成分としては、具体的には次のものが例示される。グリセリン、トリメチロールプロパン、ペンタエリスリトール、ソルビトール、トリエタノールアミン等の３〜６価の多価アルコールとラウリン酸、オレイン酸、ステアリン酸、硬化牛脂脂肪酸等の炭素数８〜22の長鎖脂肪酸とのエステル化物である。エステル化物はすべてのOH基をエステル結合したものより、一部のOH基のみエステル化させたものの方が良好である。エステル化物は上記の方法の他にトリグリセライドとグリセリンとのエステル交換反応によって得ることもできる。
【００３４】
本発明において(f)成分は本発明の柔軟仕上剤組成物中に好ましくは0.5〜５重量％、より好ましくは0.7〜2.5重量％配合される。この配合量が0.5重量％以上であれば凍結復元時の粘度増加が抑制でき、一方、５重量％以下であれば柔軟性能が良好で、また高温保存下での分離も抑制できる。
【００３５】
＜(g)成分＞
本発明の柔軟仕上剤組成物には、(g)成分として、変性又は未変性シリコーンを配合することができる。本発明における(g)成分は、消泡剤もしくは吸水性向上助剤として配合される。(g)成分として、具体的には、ジメチルポリシロキサン、部分的にアミノ基又はポリオキシアルキレン基で変性されたジメチルポリシロキサン等のシリコーン化合物が挙げられる。本発明において(g)成分は、消泡効果と処理布の風合いの観点から、本発明の柔軟仕上剤組成物中に好ましくは0.01〜0.5重量％、より好ましくは0.03〜0.3重量％配合される。
【００３６】
＜その他＞
更に、本発明の柔軟仕上剤組成物には、抗菌剤や、食塩、塩化アンモニウム、塩化カルシウム、塩化アルミニウム、硫酸マグネシウム、硫酸ナトリウム等の水溶性の塩、pH調整剤として酸剤、アルカリ剤を添加してもよい。水溶性塩の添加量としては、本発明の柔軟仕上剤組成物中に0.01〜0.5重量％である。また、上記(a)〜(e)成分及び任意成分以外の残部は水である。
【００３７】
本発明の柔軟仕上剤組成物のpH（20℃）は1.5〜5.0が好ましく、より好ましくは3.0〜4.5である。
【００３８】
なお、本発明の柔軟仕上剤組成物では、香料は配合されないか、あるいはされても賦香効果や保存安定性の付与効果が発現しない程度の微量である。
【００３９】
【発明の効果】
本発明の柔軟仕上剤組成物は、各種繊維、特に木綿類に対して優れた柔軟性を付与でき、且つ無香料であっても苛酷な条件での保存にも安定である。このため、業務用の無香料柔軟仕上剤組成物として好適である。
【００４０】
【実施例】
実施例１〜９及び比較例１〜８
下記の表１〜２に示す(a)、(b)、(c)、(f)成分と、(d)成分としてエチレングリコールと、(e)成分としてジプロピレングリコールと、(g)成分としてジメチルポリシロキサンとを、表３に示す量配合し、組成物として調整（pH4.0／20℃）し、下記に示す保存性能評価と柔軟性評価を行った。結果を表３に示す。なお、表３中、重量％は、組成物中の比率であり、残部は水である。
【００４１】
＜保存性能評価＞
下記の（イ）〜（ハ）及び（ニ）における保存条件において、それぞれ下記の評価を行った。
・条件：（イ）50℃、（ロ）40℃、（ハ）−10℃
（評価）
○：２ケ月間外観の変化なし
△：１ケ月間外観の変化がないが、２ケ月後分離
×：１ケ月後分離又は明らかな増粘あり
・条件：（ニ）１サイクル／１日で−20℃と10℃を繰り返した。
（評価）
○：10サイクル後明らかな増粘みられず
△：５サイクル後は明らかな増粘みられないが、10サイクル後には明らかな増粘あり
×：５サイクル後明らかな増粘あり。
【００４２】
＜柔軟性能評価＞
(1) 処理方法市販の木綿タオル２kg、アクリルジャージ１kgを3.5°ＤＨ硬水にて市販洗剤アタック（花王株式会社、登録商標）にて５回繰り返し洗濯（30リットル洗濯機）をし、繊維に付いていた繊維処理剤を除去した後、表４に示す柔軟仕上剤組成物15mlを投入し、25℃、３分間攪拌下で処理した。
(2) 評価方法上記方法で処理した布を室内で風乾後、25℃、40％RHの恒温恒湿室にて24時間放置した。木綿、アクリルそれぞれの布について柔軟性の評価を行った。柔軟性の評価はジメチルジ硬化牛脂アンモニウムクロライド12重量％を含有する（残部は水）柔軟剤15mlで処理した布を対照にして一対比較を行った。評価基準は次のようにした。
＋２：対照より柔らかい
＋１：対照よりやや柔らかい
０：対照と同じ
−１：対照の方がやや柔らかい
【００４３】
【表１】

【００４４】
【表２】

【００４５】
【表３】

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a softener composition that can impart excellent flexibility to various fibers, particularly cotton, and is stable even under storage under severe conditions.
[0002]
[Prior art]
At present, the products that are marketed as commercial softeners are mostly quaternary ammonium salts having two long-chain alkyl groups in one molecule such as di (cured tallow alkyl) dimethylammonium chloride. In the case of long-term storage at a low temperature, the composition may become thickened, gelled, or separated. In addition to the above quaternary ammonium salts, commercially available softeners contain additives such as polyoxyethylene nonionic surfactants, electrolytes and solvents to improve water dispersibility and long-term storage stability. However, the effect is still insufficient.
[0003]
As a softening agent having improved storage stability, JP-A-7-18575 discloses a liquid containing a specific quaternary ammonium salt, isotridecyl alcohol ethoxylate, and monohydric and / or dihydric alcohol. Japanese Patent Application Laid-Open No. 10-77574 discloses a softening agent composition containing two specific quaternary ammonium salts and an ethylene oxide adduct of a specific alcohol.
[0004]
Although these fragrance | flavors are mix | blended with these softening agent compositions in order to provide a fragrance, this fragrance | flavor has also contributed to the storage stability. However, unscented products tend to be preferred for commercial softener compositions, especially softener compositions in the linen industry, especially in the laundry of hotels, hospitals such as towels and bedding.
[0005]
[Problems to be solved by the invention]
Since the storage stability of an unscented softener composition is lowered, improvement thereof is desired, and it is desirable that good softness can be imparted to various fibers, particularly cotton.
[0006]
The subject of this invention is providing the softness | flexibility which was excellent in various softness | flexibility with respect to various fibers, especially cotton, and is providing the fragrance | flavor-free softness finishing agent composition which was more excellent in storage stability.
[0007]
[Means for Solving the Problems]
The present invention comprises the following component (a), component (b), component (c), component (d) and component (e), wherein the weight ratio of component (a) to component (b) is (a) It is related with the softening agent composition whose component / (b) component = 99 / 1-70 / 30.
Component (a): In the molecule
[Formula 4]

[0009]
And one or more compounds selected from quaternary ammonium salts having one long chain hydrocarbon group having 11 to 22 carbon atoms
Component (b): one or more compounds selected from quaternary ammonium salts having one long-chain hydrocarbon group having 11 to 22 carbon atoms
Component (c): a compound obtained by adding 20 to 40 moles of ethylene oxide (hereinafter referred to as EO) on average to a higher alcohol having a branched chain having 8 to 22 carbon atoms
(d) component; C1-C4 1-3 hydric alcohol which does not contain an ether bond
Component (e): 1-3 alcohol containing an ether bond
DETAILED DESCRIPTION OF THE INVENTION
<(A) component>
In the present invention, the component (a) is in the molecule.
[Chemical formula 5]

[0012]
And one or more compounds selected from quaternary ammonium salts having one more long-chain hydrocarbon group having 11 to 22 carbon atoms. The component (a) is preferably a compound represented by the following general formula (a-1).
[0013]
[Chemical 6]

[0014]
[Where,
R ¹ and R ^2, which may be the same or different, each having 1 to 3 alkyl groups or hydroxyalkyl groups
R ³ and R ^4, which may be the same or different, each a linear alkyl group or alkenyl group having 11 to 22 carbon atoms
X ^-; halogen ion, CH ₃ SO ₄ ^- or C ₂ H ₅ SO ₄ ^-
n is a number of 2 or 3. ].
[0015]
In the present invention, the linear long-chain hydrocarbon group R in the fatty acid residue contained in the component (a) (the linear long-chain hydrocarbon groups R ³ and R ^{4 in the} general formula (a-1)) is Naturally derived oils and fats such as beef tallow, lard, palm oil, castor oil and olive oil are generally used as raw materials, and can be used as they are for preparing a quaternary ammonium salt mixture. Further, the saturated / unsaturated content of the hydrocarbon group can be adjusted by a known method such as partial hydrogenation or complete hydrogenation. The unsaturated hydrocarbon group has a cis isomer and a trans isomer as isomers, and is preferably in the range of cis isomer / trans isomer = 97/3 to 20/80 (weight ratio).
[0016]
<(B) component>
In the present invention, the component (b) is one or more compounds selected from quaternary ammonium salts having one long-chain hydrocarbon group having 11 to 22 carbon atoms. A compound represented by the formula (b-1) is preferred.
[0017]
[Chemical 7]

[0018]
[Where,
R ⁵ and R ^6, which may be the same or different, each having an alkyl group or a hydroxyalkyl group having 1 to 3 carbon atoms
R ⁷ ; straight-chain alkyl group or alkenyl group having 11 to 22 carbon atoms
Y ^-; halogen ion, CH ₃ SO ₄ ^- or C ₂ H ₅ SO ₄ ^-
m is a number of 2 or 3. ].
[0019]
In the present invention, the linear long-chain hydrocarbon group R in the fatty acid residue contained in the component (b) (the linear long-chain hydrocarbon group R ^{7 in the} general formula (b-1)) is beef tallow, pork Naturally derived fats and oils such as fat, palm oil, castor oil and olive oil are generally used as raw materials, and can be used as they are for preparing a quaternary ammonium salt mixture. Further, the saturated / unsaturated content of the hydrocarbon group can be adjusted by a known method such as partial hydrogenation or complete hydrogenation. The unsaturated hydrocarbon group has a cis isomer and a trans isomer as isomers, and is preferably in the range of cis isomer / trans isomer = 97/3 to 20/80 (weight ratio).
[0020]
<(C) component>
The component (c) in the present invention is a compound obtained by adding 20 to 40 moles of EO on average to a higher alcohol having a branched chain having 8 to 22 carbon atoms. Among these, isotridecyl alcohol ethoxylate having an average added mole number of EO of 20 to 40 mol is preferable. More preferred is isotridecyl alcohol ethoxylate having an average added mole number of EO of 20 to 35 moles. If the average added mole number is 20 moles or more, an increase in viscosity during freezing can be suppressed, while if it is 40 moles or less, thickening under high temperature storage can be suppressed.
[0021]
<(D) component>
The component (d) in the present invention is a C 1-3 trihydric alcohol that does not contain an ether bond [oxy group (—O— group) that forms an ether compound]. The component (d) may contain a bond other than an ether bond.
[0022]
The component (d) of the present invention can be contained in the composition by appropriately adjusting the conditions for producing the component (a) and / or the component (b), and the component (d) is added separately. May be.
[0023]
Examples of the component (d) include monohydric alcohols such as methanol, ethanol and propanol, dihydric alcohols such as ethylene glycol and propylene glycol, and trihydric alcohols such as glycerin. Among these, ethylene glycol is preferable.
[0024]
<(E) component>
The component (e) in the present invention is a 1 to 3 alcohol containing an ether bond. In the present invention, by adding the component (e), excellent storage stability can be obtained even under more severe conditions.
[0025]
(e) As a component, a C2-C10 thing is preferable and a C4-C8 thing is more preferable. Specific examples of the component (e) include monohydric alcohols such as ethylene glycol monomethyl ether and ethylene glycol monophenyl ether, dihydric alcohols such as diethylene glycol and dipropylene glycol, and trihydric alcohols such as pentaerythritol monomethyl ether. Among these, dipropylene glycol is preferable.
[0026]
<Soft finish composition>
In the present invention, the weight ratio of the component (a) to the component (b) is (a) component / (b) component = 99/1 to 70/30, and 90/10 to 80 in terms of storage stability. / 20 is more preferable. After satisfying this weight ratio, the component (a) and the component (b) are preferably added in a total amount of 3 to 25% by weight, more preferably 4 to 20% by weight in the softening finish composition of the present invention. Is done. If the blending amount is 3% by weight or more, it is not necessary to use a large amount of the composition in order to impart flexibility. On the other hand, if the blending amount is 25% by weight or less, the product viscosity and handling properties are good.
[0027]
The component (c) is preferably blended in the soft finish composition of the present invention in an amount of 0.5 to 5% by weight, more preferably 0.5 to 3% by weight. If this blending amount is 0.5% by weight or more, an increase in viscosity at the time of freezing can be suppressed, while if it is 5% by weight or less, separation immediately after blending can be suppressed.
[0028]
In addition, the weight ratio of the sum of (a) component and (b) component and (c) component is [(a) component + (b) component] / (c) component = 0.6-50, more preferably 5-30, 10 to 15 is preferable from the viewpoint of storage stability.
[0029]
Component (d) is preferably blended in the softener finish composition of the present invention in an amount of 4.5 to 15% by weight, more preferably 6 to 10% by weight, from the viewpoint of storage stability.
[0030]
The component (e) is preferably blended in the softening finish composition of the present invention in an amount of 0.1 to 1.5% by weight, more preferably 0.2 to 1% by weight from the viewpoint of storage stability.
[0031]
The weight ratio of the component (d) to the component (e) is preferably (d) / (e) = 3 to 150, more preferably 5 to 75, particularly 7 to 30 from the viewpoint of storage stability.
[0032]
<(F) component>
The soft finish composition of the present invention is an ester of a fatty acid having 8 to 22 carbon atoms and a trivalent or hexavalent polyhydric alcohol as component (f) for the purpose of imparting higher flexibility and elasticity to clothing. One or more compounds selected from chemical compounds can be blended. The component (f) can be contained in the composition by appropriately adjusting the conditions for producing the component (a) and / or the component (b), as in the case of the component (d), and the component (f) May be added separately.
[0033]
Specific examples of the component (f) include the following. A tri- or hexavalent polyhydric alcohol such as glycerin, trimethylolpropane, pentaerythritol, sorbitol, or triethanolamine, and a long-chain fatty acid having 8 to 22 carbon atoms such as lauric acid, oleic acid, stearic acid, or hardened beef tallow fatty acid. It is an esterified product. The esterified product is better when only a part of OH groups are esterified than when all OH groups are ester-bonded. The esterified product can be obtained by a transesterification reaction of triglyceride and glycerin in addition to the above method.
[0034]
In the present invention, the component (f) is preferably added in an amount of 0.5 to 5% by weight, more preferably 0.7 to 2.5% by weight, in the softening finish composition of the present invention. If the blending amount is 0.5% by weight or more, an increase in viscosity at the time of freezing can be suppressed. On the other hand, if the blending amount is 5% by weight or less, flexibility performance is good, and separation under high temperature storage can be suppressed.
[0035]
<(G) component>
In the softener composition of the present invention, a modified or unmodified silicone can be blended as the component (g). The component (g) in the present invention is blended as an antifoaming agent or a water absorption enhancing aid. Specific examples of the component (g) include silicone compounds such as dimethylpolysiloxane and dimethylpolysiloxane partially modified with an amino group or a polyoxyalkylene group. In the present invention, the component (g) is preferably added in an amount of 0.01 to 0.5% by weight, more preferably 0.03 to 0.3% by weight in the softener composition of the present invention from the viewpoint of the defoaming effect and the texture of the treated cloth. .
[0036]
<Others>
Furthermore, the softening agent composition of the present invention includes an antibacterial agent, a water-soluble salt such as sodium chloride, ammonium chloride, calcium chloride, aluminum chloride, magnesium sulfate, sodium sulfate, an acid agent and an alkali agent as a pH adjuster. It may be added. The addition amount of the water-soluble salt is 0.01 to 0.5% by weight in the softener composition of the present invention. The balance other than the components (a) to (e) and the optional component is water.
[0037]
The pH (20 ° C.) of the softening agent composition of the present invention is preferably 1.5 to 5.0, more preferably 3.0 to 4.5.
[0038]
In the softening finish composition of the present invention, a fragrance is not added, or even if it is added, it is a trace amount that does not exhibit a fragrance effect or a storage stability imparting effect.
[0039]
【The invention's effect】
The softening agent composition of the present invention can impart excellent flexibility to various fibers, particularly cotton, and is stable even under harsh conditions even if it is unscented. For this reason, it is suitable as a fragrance-free soft finish composition for business use.
[0040]
【Example】
Examples 1-9 and Comparative Examples 1-8
(A), (b), (c) and (f) components shown in Tables 1 and 2 below, (d) component ethylene glycol, (e) component dipropylene glycol, and (g) component Dimethylpolysiloxane was blended in the amounts shown in Table 3, adjusted as a composition (pH 4.0 / 20 ° C.), and evaluated for storage performance and flexibility as described below. The results are shown in Table 3. In Table 3,% by weight is the ratio in the composition, and the balance is water.
[0041]
<Evaluation of storage performance>
The following evaluations were performed under the storage conditions in the following (A) to (C) and (D).
・ Conditions: (b) 50 ° C, (b) 40 ° C, (c) -10 ° C
(Evaluation)
○: No change in appearance for 2 months △: No change in appearance for 1 month, but separation after 2 months ×: Separation after 1 month or obvious thickening ・ Conditions: (d) 1 cycle / day − Repeated 20 ° C and 10 ° C.
(Evaluation)
◯: No obvious thickening after 10 cycles Δ: No obvious thickening after 5 cycles, but obvious thickening after 10 cycles x: Clear thickening after 5 cycles
[0042]
<Flexible performance evaluation>
(1) Treatment method 2 kg of commercially available cotton towel and 1 kg of acrylic jersey are washed 5 times with a commercial detergent attack (Kao Corporation, registered trademark) in 3.5 ° DH hard water, and attached to the fiber. After removing the fiber treating agent, 15 ml of the softening finish composition shown in Table 4 was added and treated under stirring at 25 ° C. for 3 minutes.
(2) Evaluation method The cloth treated by the above method was air-dried indoors, and then allowed to stand in a constant temperature and humidity chamber at 25 ° C. and 40% RH for 24 hours. Flexibility was evaluated for cotton and acrylic fabrics. The softness evaluation was performed as a pair comparison using a cloth treated with 15 ml of a softening agent containing 12% by weight of dimethyldi-cured tallow ammonium chloride (the balance being water) as a control. The evaluation criteria were as follows.
+2: Softer than control +1: Slightly softer than control 0: Same as control -1: Slightly softer in control
[Table 1]

[0044]
[Table 2]

[0045]
[Table 3]

Claims (6)

The following (a) component, (b) component, (c) component, (d) component and (e) component are included, and the weight ratio of (a) component to (b) component is (a) component / (b ) component = 99 / 1-70 / 30 der Ri, (a) component and (b) the total content of 3-25% by weight of component 0.5 to 5 wt% content of the component (c), (d ) content of 4.5 to 15 wt% of the components, (e) softener composition content of Ru 0.1 to 1.5 wt% der components.
Component (a): within the molecule

And one or more compounds selected from quaternary ammonium salts having one long chain hydrocarbon group having 11 to 22 carbon atoms
Component (b): one or more compounds selected from quaternary ammonium salts having one long-chain hydrocarbon group having 11 to 22 carbon atoms
Component (c): a compound obtained by adding 20 to 40 moles of ethylene oxide on average to a higher alcohol having a branched chain having 8 to 22 carbon atoms
(d) component; C1-C4 1-3 hydric alcohol which does not contain an ether bond
Component (e): 1-3-valent alcohol containing an ether bond Furthermore, the softening agent composition of Claim 1 containing the following (f) component.
Component (f): one or more compounds selected from esterified products of fatty acids having 8 to 22 carbon atoms and 3 to 6 valent polyhydric alcohols Furthermore, the softening agent composition of Claim 1 or 2 containing the following (g) component.
(g) Component: Modified or unmodified silicone The component (a) is a compound represented by the following general formula (a-1), and the component (b) is a compound represented by the following general formula (b-1). The softening agent composition according to claim 1.

[Where,
R ¹ and R ^2, which may be the same or different, each having 1 to 3 alkyl groups or hydroxyalkyl groups
R ³ and R ^4, which may be the same or different, each a linear alkyl group or alkenyl group having 11 to 22 carbon atoms
X ^-; halogen ion, CH ₃ SO ₄ ^- or C ₂ H ₅ SO ₄ ^-
n is a number of 2 or 3. ]

[Where,
R ⁵ and R ^6, which may be the same or different, each having an alkyl group or a hydroxyalkyl group having 1 to 3 carbon atoms
R ⁷ ; straight-chain alkyl group or alkenyl group having 11 to 22 carbon atoms
Y ^-; halogen ion, CH ₃ SO ₄ ^- or C ₂ H ₅ SO ₄ ^-
m is a number of 2 or 3. ]   The softener composition according to any one of claims 1 to 4, wherein the component (c) is isotridecyl alcohol ethoxylate having an average addition mole number of ethylene oxide of 20 to 40 moles. The softening agent composition according to any one of claims 1 to 5, which does not contain a fragrance.