JP7228745B1 - tissue softener composition - Google Patents

Abstract

The present invention provides a tissue softener composition capable of achieving improved softness and increased coat weight without compromising tissue strength. The object is a softener composition comprising, relative to the total weight of said composition, 0.1-20% by weight of an aminosilicone of formula (I): JPEG0007228745000012 .jpg51166 (wherein p and r are numbers greater than or equal to 0, q is a number greater than 0, and R represents a linear or branched alkyl or alkoxyl group having 1 to 12 carbon atoms, or or a hydroxyl group, R1 represents a linear or branched alkyl or alkoxyl group having 1 to 18 carbon atoms, or a hydroxyl group, and R2 is a linear group having 1 to 18 carbon atoms. or a branched alkylene group, R3 represents a hydrogen atom or a linear or branched alkyl group having 1 to 18 carbon atoms, Z represents -O- or -NR8-, where R8 is R3 and and 10 to 80% by weight of a monohydric or polyhydric alcohol, wherein the weight ratio of the aminosilicone to the monohydric or polyhydric alcohol is 0.2 to 0.001. thing. is resolved by providing [Selection figure] None

Description

The present invention relates to tissue softener compositions, methods of treating tissue by using softener compositions, and tissue products treated with softener compositions.

In modern life, more and more people desire tissue softness. Therefore, it becomes increasingly important to use suitable softeners to improve tissue softness. The aforementioned "tissues" particularly refer to paper products for daily use, such as wet wipes, handkerchief tissues, napkins, beauty tissues, boxed tissues, etc., which generally have a certain degree of softness, fluffiness, or water absorbency. I have a request.

Softener products for tissues are typically made with quaternary ammonium salts, lubricants, silicones, and the like. It is usually applied to the surface of the tissue by methods such as brush coating, roller coating, application in a slurry, and the like.

For example, CN101509213A discloses a bisamide quaternary salt tissue softener and its preparation method and uses.

Furthermore, the effects of different cationic softening agents on tissue were compared in YANG, Qinwu et al., "Effect of Different Cationic Softening Agents on Household Paper", Journal of Cellulose Science and Technology, Vol. 23 No. 1, Mar. 2015. It is These cationic softeners include imidazolines, polyacrylamides, quaternary ammonium salts, fatty acid esters, and silicones. Comparative results show that amino-containing silicone softeners best have properties optimized for softness.

However, in addition to improving tissue softness, tissue manufacturers, especially wet tissue manufacturers, are concerned about the skin affinity (skin irritation, especially in the case of amino-containing silicone compounds) and softener coat of the tissue after softener treatment. There is an increasing interest in ways to increase weight, reduce manufacturing costs, and conserve raw materials while maintaining softness and tissue strength as immune to damage as possible.

Another document, CN103061204B, discloses a softener emulsion composition comprising inter alia a diorganosilicone, an alcohol moisturizer comprising a monohydric or polyhydric alcohol, and a thickener. The recommended coat weight of the softener emulsion composition is 1% to 20% based on the basis weight of the base tissue, and the composition should contain a thickening agent. Furthermore, this document does not suggest specific diorganosilicone compounds.

Furthermore, US5721297A discloses novel piperidinylorganosiloxanes. However, said organosiloxanes are used in this document only as light/UV stabilizers for polymeric substrates such as polyethylene or polydiolefins.

Considering the above goals, the present application provides a softener composition according to Claim 1, comprising a combination of a special aminosilicone with a monohydric or polyhydric alcohol in a specific quantitative ratio. Surprisingly, the inventors of the present application have found that improved softness and increased coat weight can be achieved by using such softener compositions without compromising tissue strength. In particular, the coat weight of the softener composition can be increased to an amount of 20% or more based on the basis weight of the tissue without the addition of viscosity increasing additives such as thickeners.

Further, the softener composition according to the present invention is more efficient than silicone-based alone or alcohol-based alone in improving softness under the synergistic action of aminosilicone and monohydric or polyhydric alcohol in a specific ratio. be. Furthermore, the softener composition according to the present invention can maintain good water absorption of the treated tissue, reduce its tendency to yellow, and provide good skin compatibility.

In another aspect, the present application also relates to a method for treating tissue.

Finally, the application relates to tissue products obtained from the above method.

Aminosilicones (also commonly known as aminosilicone oils) are known as softeners for tissue treatment. Such amino-modified silicone compounds are polysiloxanes having amino groups at their branches or ends. Because the oxygen atoms of the backbone silicone-oxygen bonds can attach to the fiber surface, the hydrophobic groups are oriented and positioned along the tissue fiber surface, thereby forming a hydrophobic, flexible, continuous thin film. It can soften the tissue. However, conventional aminopolydimethylsiloxanes are irritating to the skin and eyes. Also, tissues treated with them are prone to yellowing at elevated temperatures and ambient conditions, which can shorten the shelf life of treated tissues. Due to the water repellency of the silicone film, the water absorption properties of the treated tissue are greatly reduced.

However, the inventors of the present application have found that when certain aminosilicones described below are used in combination with monohydric or polyhydric alcohols, especially polyhydric alcohol compounds such as glycerin, further significant improvements in softness and coat weight are achieved. It has been found that the mechanical properties remain intact or even increase while achieving significant improvements in . Additionally, the treated tissue retains the water absorbency of the base tissue, is not vulnerable to yellowing or color change, and has good skin compatibility.

（式中、
ｐとｒは０以上の数であり、
ｑは０より大きい数、好ましくは１～４０であり、好ましくは、ｐ＋ｒ＋ｑの合計は５以上であり、
Ｒは、１～１２個、好ましくは１～６個の炭素原子を有する直鎖若しくは分岐アルキル若しくはアルコキシルを表すか、又はヒドロキシルを表し、
Ｒ₁は、１～１８個、好ましくは１～１２個、より好ましくは１～８個の炭素原子を有する直鎖若しくは分岐アルキル若しくはアルコキシルを表すか、又はヒドロキシルを表し、
Ｒ₂は、１～１８個、好ましくは２～１２個の炭素原子を有する線状又は分枝状アルキレンを表し、
Ｒ₃は、１～１８個、好ましくは２～１２個の炭素原子を有する水素原子又は直鎖又は分岐アルキルを表し、
Ｚは－Ｏ－又は－ＮＲ₈－を表し、ここで、Ｒ₈はＲ₃と同義である。）
及び、１０～８０重量％、好ましくは２０～７５重量％、より好ましくは２５～７５重量％の１価又は多価アルコール。
ここで、１価又は多価アルコールに対する前記アミノシリコーンの重量比は、０．２～０．００１である。 Therefore, the softener composition according to the invention has, relative to the total weight of said composition,
0.1-20% by weight, preferably 0.5-15% by weight, more preferably 1.0-10% by weight of an aminosilicone of formula (I) below;

(In the formula,
p and r are numbers greater than or equal to 0;
q is a number greater than 0, preferably 1 to 40, preferably the sum of p + r + q is 5 or more,
R represents linear or branched alkyl or alkoxyl having 1 to 12, preferably 1 to 6 carbon atoms or represents hydroxyl,
R ₁ represents a linear or branched alkyl or alkoxyl having 1 to 18, preferably 1 to 12, more preferably 1 to 8 carbon atoms or represents hydroxyl,
R ₂ represents linear or branched alkylene having 1 to 18, preferably 2 to 12 carbon atoms,
R ₃ represents a hydrogen atom or linear or branched alkyl having 1 to 18, preferably 2 to 12 carbon atoms,
Z represents -O- or -NR ₈ -, where R ₈ has the same definition as R ₃ . )
and 10-80% by weight, preferably 20-75% by weight, more preferably 25-75% by weight of a monohydric or polyhydric alcohol.
Here, the weight ratio of the aminosilicone to the monohydric or polyhydric alcohol is 0.2 to 0.001.

In an advantageous embodiment of the invention, said aminosilicone of formula (I) is characterized by at least one of:
p and r are independently of each other a number from 1 to 1000, for example from 2 to 800;
q is 1-30;
the sum of p+r+q is 10-2000, preferably 100-1600;
R and R ₁ independently of each other represent methyl, ethyl, propyl, methoxyl, ethoxyl or hydroxyl;
_R2 represents ethylene, propylene, butylene, pentene, or hexylene;
R ₃ represents a hydrogen atom or linear or branched alkyl having 1 to 6 carbon atoms such as methyl, ethyl or propyl; and/or Z represents —O— or —NR ₈ —; R ₈ is a hydrogen atom or a straight or branched alkyl having 1 to 6 carbon atoms such as methyl, ethyl or propyl.

In a more preferred embodiment, in the aminosilicone of formula (I), R and R ₁ are independently selected from methyl, ethyl, methoxyl or hydroxyl groups, more preferably methyl groups; R ₂ is ethylene, propylene or butylene, more preferably propylene; Z represents —O—; and/or R ₃ represents a hydrogen atom.

式中、ｐ、ｑ、ｒ、Ｒ及びＲ₁はそれぞれ、式（Ｉ）の化合物の上記定義において与えられた意味を有する。本明細書において、出発物質として好ましく使用される式（ＩＩ）の化合物中のＲ₁基の少なくとも１つは、ＣＨ₃である。 Aminosilicones of formula (I) of the present invention can be prepared from silicone compounds of formula (II) below.

wherein p, q, r, R and R ₁ each have the meaning given in the above definition of the compounds of formula (I). At least one of the R ₁ groups in compounds of formula (II) preferably used herein as starting materials is CH ₃ .

Such compounds of formula (II) are readily commercially available.

Substitution of the hydrogen atom of compound (II) with a group of formula (III) and optionally with group R ₁ results in silicone (II) having an ethylenic double bond that is susceptible to hydrosilylation reactions in the presence of a catalyst. It can be carried out by reacting with a compound.

Such compounds may therefore be unsaturated precursors of group (III) or of group R ₁ .

Specific non-limiting examples of unsaturated precursors of the group R ₁ include 1-octene, 1-dodecene and 1-octadecene.

Specific non-limiting examples of precursors of the group of formula (III) include 1-allyloxy-2,2,6,6-tetramethylpiperidine, 4-allyloxy-1,2,2,6,6- Included are pentamethylpiperidine and 2,2,6,6-tetramethyl-4-piperidinyl undecenoate.

A precursor of R ₂ containing an ethylenic double bond is reacted by hydrosilylation of the ≡Si—H moiety and then subjected to a second reaction on this precursor of R ₂ whereupon 2,2 ,6,6-tetramethyl-4-piperidinyl group can be introduced to form the following structural units:

Synthetic routes to different compounds of formula (I) of the present invention may vary and are not limited herein. For example, one skilled in the art can refer to and modify methods for the synthesis of piperidinyl silicones described in prior art US Pat. No. 5,721,297A to obtain compounds of formula (I) having the desired structure. US5721297A is incorporated herein by reference in its entirety.

Aminosilicones of formula (I) that are particularly suitable for the present invention herein are commercially available as BLUESIL FLD 21650, BLUESIL FLD 21653, BLUESIL FLD 21654, and the like.

Specifically, the inventors of the present application have found that, in addition to maintaining intact mechanical properties and significantly improving softness, when the composition comprises the aminosilicone of formula (I) of the present invention, the formula ( It has been found that the aminosilicone of I) can also provide treated tissue with better water absorption and improved resistance to yellowing and particularly good skin compatibility compared to other conventional aminosilicone oils. rice field. Preferably, therefore, the compositions of the present invention substantially comprise the aminosilicone of formula (I) as the silicone component, and the amount of other silicone compounds (especially other aminosilicones) is, relative to the total weight of the composition, 5% by weight or less, preferably 2% by weight or less, more preferably 1% by weight or less, and particularly preferably 0.5% by weight or less.

Monohydric or polyhydric alcohol compounds are used as another component of the softener compositions of the present invention. Within the scope of the present invention, suitable monohydric or polyhydric alcohols are understood to be compounds having on average one or more hydroxyls per molecule, preferably aliphatic alcohols or polyether alcohols.

In an advantageous embodiment, suitable monohydric or polyhydric alcohol compounds may have the formula A-(OH)z
z represents an integer of 1 to 6, preferably 1 to 4, more preferably 2 to 3,
A represents an aliphatic group having 1 to 12 carbon atoms, preferably 2 to 8 carbon atoms, more preferably 3 to 8 carbon atoms, such as alkyl, or a Represents a polyether segment.

Preferably, said polyether segments are aliphatic polyether segments, more preferably selected from segments having 4 to 25 polyoxyethylene and/or polyoxypropylene groups.

The position of the hydroxyl here is not restricted and it can be terminal or lateral to the group A.

Preferably, examples of monohydric or polyhydric alcohol compounds according to the invention include ethanol, propanol, butanol, pentanol, hexanol, heptanol, octanol, glycol, propanediol, glycerin, diethylene glycol, trimethylolpropane, hexanediol, or Included are polyether polyols such as polyoxyethylene or polyoxypropylene diols or triols. Preferably, said monohydric or polyhydric alcohol compound is selected from glycol, trimethylolpropane, propanediol and/or glycerin. The inventors of the present application have found that when using glycerin (glycerol) as the monohydric or polyhydric alcohol component in the composition, the treated tissue can have more optimal softness, slipperiness and moisturizing properties. I found

Thus, in a particularly preferred embodiment, said monohydric or polyhydric alcohol component is at least 95% by weight, preferably at least 98% by weight, more preferably at least 99% by weight, particularly preferably 99.5% by weight, or even 100% by weight. Contains weight percent glycerin.

Furthermore, in order to achieve the above effects of the present invention, the weight ratio of said aminosilicone to the polyhydric alcohol component should be in the range of 0.001-0.2. If weight ratios outside this range are used, the treated tissue may have poor hand feel, poor moisture retention, and may also adversely affect mechanical properties and coat weight. Advantageously, the weight ratio of said aminosilicone to monohydric or polyhydric alcohol is 0.001 to 0.2, preferably 0.002 to 0.15, more preferably 0.005 to 0.10, especially It is preferably 0.01 to 0.08. Combining the above most preferred ranges with a monohydric or polyhydric alcohol component, preferably substantially based on glycerin, the treated tissue can exhibit optimal comprehensive properties.

Furthermore, in an advantageous embodiment, the softener composition according to the invention can also contain an emulsifier for forming a stabilized emulsion useful for coating tissue. Such emulsifiers can be nonionic emulsifiers and cationic emulsifiers. Examples of suitable nonionic emulsifiers include polyoxyethylene ethers of fatty alcohols, such as polyoxyethylene ethers having 4 to 50 oxyalkylene units, polyoxyethylene lauryl ethers, polyvinyl sorbitol ethers, polyoxyethylene glycerol ethers. and sorbitol esters such as isotridecyl alcohol polyoxyethylene ether. Examples of cationic emulsifiers are quaternary ammonium salt emulsifiers such as alkyltrimethylammonium chloride, dialkyldimethylammonium chloride and alkylbenzyldimethylammonium chloride.

The viscosity of the composition usually has a relatively significant effect on the amount of sizing (ie, coat weight). If the viscosity is too low, it is not favorable for the applied composition to adhere to the coating roller surface. If the viscosity is too high, the fluidity will be poor and it will be difficult to obtain a uniform coating. Therefore, in the prior art, a certain amount of thickening agent is generally added to the softener composition to adjust the viscosity. However, the addition of thickeners, while impairing the feel of the tissue product, adversely affects the resistance to bacteria in the product. Therefore, in the present invention, preferred compositions contain less than 0.1% by weight thickening agent, more preferably less than 0.05% by weight, and most preferably no thickening agent. Such thickeners are, for example, polyacrylic acid, cellulose, salts of alginic acid, and guar gum thickeners.

In addition to the above ingredients, the softener composition according to the present invention may contain other additives such as citric acid, phosphoric acid, acetic acid, lactic acid, hydrochloric acid, etc. from 0.01 to 0.3 to adjust the pH. It may also contain, by weight, acid, and odor control perfume, eg, 0.01 to 0.1 weight percent. Within the scope of the present invention, an acid is preferably added to adjust the pH so that the treated tissue becomes more gentle on the skin while advantageously increasing the stability of the composition emulsion.

Generally, in the present invention, apart from said aminosilicone and monohydric or polyhydric alcohol of formula (I) and the necessary water, said composition contains no more than 20% by weight, preferably less than 15% or less than 10% by weight. , more preferably less than 5% by weight or less than 1% by weight or less than 0.5% by weight or less than 0.1% by weight of other additives.

In preferred embodiments, the composition is an emulsion.

In another preferred embodiment, the composition comprises 20% to 88%, such as 30% to 70% or 35% to 60%, by weight of water relative to the total weight of the composition. .

A second aspect of the present invention relates to a method for preparing said softener composition.

The softener compositions of the present invention can be obtained by mixing the ingredients in the indicated amounts in a simple manner and stirring thoroughly to form a stable emulsion.

In a further aspect, the present application also relates to a tissue softening method. The processing methods are post-processing methods such as spray coating, roller coating, and printing. For example, the softener composition according to the present invention may be applied directly to the surface of the tissue product to be treated, e.g. during the process of rolling up or unwinding the tissue, or other process of making the tissue, by the method described above. can be done.

In an advantageous embodiment of the tissue softening treatment, the softener composition described above is coated on the surface of the tissue in an amount of more than 20%, preferably between 25% and 35%, based on the basis weight of the tissue. Preferably, after application, the aminosilicone is distributed in an amount of 0.01 to 3.2 g/m ² , preferably 0.04 to 2 g/m ² and the hydroxyl is distributed in an amount of 0.5 to 2 g/m 2 on each square meter of tissue surface. It is distributed in an amount of 9 g/m ² , preferably from 1 to 9 g/m ² .

Finally, the application relates to a tissue product obtained according to the above method.

1. Partial list of raw materials

2. Preparation of Emulsion As described in Table 2 showing an example, each component, except the alcohol component, was mixed uniformly in the indicated amounts, followed by the addition of a small amount of water and high speed stirring until complete phase inversion. . The remaining water was then slowly added and mixed for 10 minutes at 300 rpm. Finally, the alcohol component (ie glycerin and/or 1,2PG) was added and stirring was continued at 40° C. and 200 rpm for 1 hour. Examples 1 and 8 are comparative examples.

In addition, Comparative Example 10 was performed by repeating Example 4 except that the silicone oil of Example 4 was replaced with a common amino silicone oil (Bluesil Ecosoft C803). The softener compositions prepared in the two examples were then tested for tissue water absorption, whiteness reduction, and skin compatibility as described below and the results are summarized in Table 4.

3. test

ｆ）上記の手順を繰り返して、各サンプルに対して少なくとも１０枚の処理済みティッシュを準備する。
ｇ）上記のティッシュを２つのグループに分け、一方のグループを予備としてジップロック（登録商標）バッグに入れ、もう一方のグループを指定の温度と湿度（湿度７０～８０％、室温２０℃１２時間の条件下で維持）に調整した。 (1) Spray coat weight:
a) Pour the prepared tissue softener into the high pressure spray gun and adjust the particle size of the spray coating and the weight of the spray coat.
b) Weigh the tissue to be treated and record the weight as W0.
c) Fixing the tissue to be treated on the spray coating panel, spray coating the fabric softener and doing the same on the other side of the tissue.
d) Weigh the spray coated tissue and record the weight as W1.
e) Calculate the weight W of the spray coat according to the following formula:

f) Repeat the above procedure to prepare at least 10 treated tissues for each sample.
g) Divide the above tissues into two groups, put one group in a ziplock (registered trademark) bag as a spare, and place the other group at the specified temperature and humidity (humidity 70-80%, room temperature 20 ° C. for 12 hours maintained under the conditions of ).

(2) Tissue Properties (i) Sensory Test A subjective evaluation of the test was asked to a group containing at least 5 individuals who had already been fully trained on this test. Each rater touched the treated tissue and gave a score from softest to least soft. A similar procedure was performed to assess tissue slipperiness and moisture. For each attribute, the sample's worst sensation was scored as 1 and the best score as 5.

Test results from all evaluators for all samples were tabulated and calculated for the average number of each attribute. A higher value means better softness, slipperiness, or moist feeling.

Test data for all the above properties are summarized in Table 3 below.

(ii) Tissue Water Absorption Test a) The treated tissue was spread out on a table.
b) A drop of water was placed on the tissue using a standard dropper. The water dripped and spread on the tissue until it stopped spreading. The complete diffusion time was recorded.
c) The above operation was repeated 5 times and the average (in seconds) was taken.
The higher the numerical value, the lower the water absorption.

に従って計算した。ここで、Ｍが低いほど、黄変に対する耐性が高い。 (iii) Tissue Brightness Test a) The tissue was folded in half twice to create 4 areas. Four areas were tested for whiteness values using a colorimeter. The same operation was performed on the other side of the tissue. An average whiteness value M0 of eight regions was obtained.
b) The tissue was heated at 170°C for 2 minutes and then left at room temperature for 2 hours.
c) The whiteness value M1 of the burnt tissue according to step a) was tested.
d) The whiteness reduction rate M of the tissue is calculated by the formula:

calculated according to Here, the lower the M, the higher the resistance to yellowing.

(iv) Tissue Skin Compatibility Test The product was tested according to the procedure described in the Cosmetic Hygiene Regulations (Ministry of Health, 2007) (GB7919-87 Cosmetic Safety Evaluation Procedures and Methods). Skin affinity was evaluated mainly based on skin irritation test results, skin allergy test results, and skin phototoxicity test results. Good affinity is defined as no irritation, allergic or phototoxic reaction.

The foregoing is an exemplary description of the invention, and the particular embodiments of the invention are not to be considered limited thereto. It should be noted that any simple variation, modification or other equivalent replacement that a person skilled in the art can do without creative work without departing from the core of the present invention shall fall within the protection scope of the present invention. sea bream.

Claims (19)

A softener composition comprising, relative to the total weight of the composition:
0.1 to 20 % by weight of an aminosilicone of formula (I) below;

(In the formula,
p and r are numbers greater than or equal to 0;
q is a number greater than 0;
R represents a linear or branched alkyl or alkoxyl group having 1 to 12 carbon atoms or represents a hydroxyl group ,
R ₁ represents a linear or branched alkyl or alkoxyl group having 1 to 18 carbon atoms or represents a hydroxyl group ,
R ₂ represents a linear or branched alkylene group having 1 to 18 carbon atoms,
R ₃ represents a hydrogen atom or a linear or branched alkyl group having 1 to 18 carbon atoms,
Z represents -O- or -NR ₈ -, where R ₈ has the same definition as R ₃ . )
and 10 to 80 % by weight of a monohydric or polyhydric alcohol,
The softener composition , wherein the weight ratio of said aminosilicone to monohydric or polyhydric alcohol is from 0.2 to 0.001. A softener composition according to claim 1, characterized in that said softener composition comprises 1.0 to 10% by weight of said aminosilicone. 3. A softener composition according to claim 1 or 2 , wherein said aminosilicone of formula (I) is characterized by at least one of:
p and r are, independently of each other, numbers from 1 to 1000;
q is 1-30;
sum of p+r+q is 10-2000 ;
R and R ₁ independently of each other represent methyl, ethyl, propyl, methoxyl, ethoxyl or hydroxyl;
_R2 represents ethylene, propylene, butylene, pentene, or hexylene;
R ₃ represents a hydrogen atom or linear or branched alkyl having 1 to 6 carbon atoms; and/or Z represents —O— or —NR ₈ —, where R ₈ is a hydrogen atom, or A straight or branched alkyl having 1 to 6 carbon atoms. In the aminosilicones of formula (I), R and R ₁ are independently selected from methyl, ethyl, methoxyl or hydroxyl groups ; R ₂ represents ethylene, propylene or butylene ; Z is - A softener composition according to any one of the preceding claims, wherein O- represents; and/or R 3 _represents a hydrogen atom. 5. The composition according to any one of claims 1 to 4 , wherein the amount of other silicones different from formula (I) in the composition is 5% by weight or less relative to the total weight of the composition. Softener composition. said monohydric or polyhydric alcohol has the formula A-(OH)z,
z represents an integer of 1 to 6 ;
A represents an aliphatic group having 1 to 12 carbon atoms or represents a polyether segment with a molecular weight of 40 to 1600;
The softener composition according to any one of claims 1-5 . A softener composition according to any one of the preceding claims, wherein said polyether segments are aliphatic polyether segments. the monohydric or polyhydric alcohol is selected from ethanol, propanol, butanol, pentanol, hexanol, heptanol, octanol, glycol, propanediol, glycerin, diethylene glycol, trimethylolpropane, hexanediol, or polyether polyol; The softener composition according to any one of claims 1-7 . A softener composition according to any preceding claim, wherein the monohydric or polyhydric alcohol component comprises at least 95 % by weight of glycerin. The weight ratio of the aminosilicone to the monohydric or polyhydric alcohol is 0.001-0. 2. The softener composition according to any one of claims 1 to 9 . A softener composition according to any one of the preceding claims, wherein the composition comprises less than 0.1 % by weight of a thickening agent . A softener composition according to any preceding claim, wherein the composition comprises 0.01 to 0.3 % by weight of an acid for adjusting pH. A softener composition according to any one of the preceding claims, wherein said composition is an emulsion. Claims 1 to 13 , wherein apart from the aminosilicone of formula (I) and the monohydric or polyhydric alcohol and the necessary water, the composition contains other additives in an amount that is not more than 20% by weight. The softener composition according to any one of . A softener composition according to any one of the preceding claims, wherein the composition comprises from 20% to 88 % by weight of water relative to the total weight of the composition. A method of processing tissue, including the following steps:
Coating the softener composition according to any one of claims 1 to 15 on the surface of the tissue in an amount greater than 20% based on the basis weight of the tissue. 17. The method of claim 16 , wherein the softener composition is roller coated or spray coated onto the surface of the tissue. Claim 16 , wherein said aminosilicone is distributed in an amount of 0.01-3.2 g/m ² and said hydroxyl groups are distributed in an amount of 0.5-9 g/m ² after coating on the surface of the tissue. Or the method according to 17 . A tissue article obtained by the method of any one of claims 16-18 .