JPS60139868A - Softener composition - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] The present invention provides textile products such as clothing, particularly cotton fibers, with excellent flexibility and band prevention properties without substantially impairing their water absorbency.
The present invention relates to a softener composition that can be applied. ``Various types of soft materials are used to impart flexibility and antistatic properties to clothing after washing.'' These softeners generally have dilong-chain alkyl di-short-chain alkyl quaternary ammonium salts, imidazolinium salts, and um salts as main components. Among these, di-long-chain alkyl-di-short-chain alkyl ammonium salts are particularly often used because they have excellent softening ability, but since these salts are lipophilic, they can be adsorbed onto the surface of fibers to impart flexibility. It also has the disadvantage of imparting water repellency at the same time. As a result, when fibers or clothing are treated with a softener containing the active agent, the water absorption rate of the fibers decreases, causing problems such as a decrease in the amount of water absorbed per unit time, that is, a decrease in apparent water absorbency, which is undesirable. On the other hand, imidazolinium salts are known as softening agents that are relatively unlikely to cause a decrease in water absorption, but even when used, they are still not sufficient.

In recent years, in order to overcome these drawbacks of textile softeners, new cationic activators have been developed that have a high affinity for water and do not reduce the apparent water absorption of textiles when used in textile softening treatments. Development or di-long-chain alkyl-di-short-chain alkyl?
However, attempts have been made to use quaternary ammonium salts in combination with other surfactants having a high affinity for water.

Few new cationic activators have been put into practical use yet, as they require careful consideration of how much flexibility they can impart, how much apparent water absorption can be maintained, and their effects on the human body. On the other hand, attempts to use di-long-chain alkyl di-short-chain alkyl quaternary ammonium salts in combination with other surfactants with high water affinity have been made.
It is difficult to sufficiently prevent a decrease in apparent water absorption while providing the same flexibility as ammonium salt alone, and a practical softening composition has not yet been obtained.

Therefore, the present invention was made with the purpose of providing a softening agent composition free from the above-mentioned drawbacks. This is based on the knowledge that the above drawbacks can be overcome by incorporating specific unsaturated carboxylic acids.

The present invention is a softener composition characterized by containing (A) a cationic fiber softener and (B) an unsaturated polyhydric carboxylic acid having 10 to 44 carbon atoms, a salt thereof, or an ester thereof. be.

As component (A) in the present invention, any substance that can impart flexibility to fibers, such as various amine salts and quaternary ammonium salts, can be used. Among these, the fourth having two alkyl groups or alkenyl groups in the molecule of carbon 1Ml0-24
Grade ammonium salts are preferred, for example, the following general formula (1)
, (II), ammonium salts, amide ammonium salts, and imidazolinium salts.

(In Formula I, (■), R1 and R2 each have 10 to 24 carbon atoms.
an alkyl group, a hydroxyalkyl group or an alkenyl group, R3 and R4 are each an alkyl group having 1 to 3 carbon atoms,
Hydroxyalkyl group or benzyl group, -(CHO)
'# A group represented by H (13'=1-5), yl, y2 is an ethylene group or a propylene group, #', I! ba0
The light represents the number 1, and X represents a halogen or a monoalkyl sulfate group having 1 to 3 carbon atoms. ) Specifically, dilauryl digtylammonium chloride, dipalmitylmethyl hydroxyethylammonium methyl sulfate, dihydrogen-added beef tallow alkyl dimethyl ammonium chloride,
Distearylmethylpolyoxyethylene (average degree of polymerization 5
mole) ammonium chloride, di-added beef tallow alkyl ethyl benzyl tinmonium chloride, ditetracosi;
F5'kalylamino), I-≠ru]dimethylammo trimuchlorite, fluoro[('2-octadecanoylnamino)propyl]dimethylsulphate, 2-heptadecyl-1-dimethylsulphate, 2-octadecadiylamino)ethyl)imidasoliniumethyl!
Resulfate, 2-pentadecyl-1-methyl-1-
[(2-hexadecanoylamino)7r, thyl]imidazolinium methyl sulfate, 2-tallow acyl-1-
) Chil-1-(2-tallowamidoethyl)imidazolinium methyl sulfate or the like.

Composition of component '(A''); □ composition in product □ is 1~
20gg□% (hereinafter referred to as %) preferably 3
It is desirable that Ll be ~10%.

Component (B) is an unsaturated polycarboxylic acid with 44 carbon atoms! It is a salt of another salt or its esterified product, and as the unsaturated polyvalent carboxylic acid, any of straight or branched aliphatic carboxylic acids, alicyclic acids, rubonic acids, and aromatic carboxylic acids can be used. In the ingredients part □ ′1:, ゛. The molecule has at least 1, preferably 2 to 4 saturated bonds, and the number of carboxyl groups is 2111 or more,
It is necessary to preferably have 2 to 3 pieces. These salts include salts with alkaline metals such as sodium and potassium, salts with alkaline earth metals such as magnesium,
Salts with organic amines such as monoethanolamine and jetanolamine are used. Further, as the esterified product, a partially or completely esterified product with an aliphatic alcohol having 1 to 3 carbon atoms is used. Among these, unsaturated fatty acid dimers, so-called dimer acids, and their esters are particularly preferred from the viewpoint of water absorption and antistatic properties. Dimer acid can be obtained by directly heating unsaturated fatty acids having 5 to 22 carbon atoms, such as sorbic acid, linoleic acid, lylinic acid, eleosteone phosphoric acid, lycanic acid, and arachidonic acid, or by heating boron fluoride, phosphoric acid, It is easily produced by a method using clay, organic peroxide as a catalyst, etc. Among these, those using unsaturated fatty acids having 12 to 20 carbon atoms are preferred.

Further, the esterified product can be produced by either dimerization of the esterified product of the unsaturated fatty acid or esterification of dimer acid. The above dimer acid is a commercially available product, Versady'me: Henkerro book + 1
1+ manufactured linole @ dimer product name), Embol (
It is easily available as limpol (trade name of Emery Industries).

The amount of component (B) in this composition is 0.5 to 5% by weight,
The content is preferably 1 to 3%.

In addition, (A)/(B) is l/10 to component (A).
It is preferable to mix it so that the ratio is 15/'1, preferably 1/2 to 10/1.

The composition of the present invention can be prepared by melt-mixing components (A) and CB) and then cooling them to form fine particles (which can be used as is or as a detergent additive), by impregnating a nonwoven fabric, etc., or by dispersing them in an aqueous medium. It can be used in any form (liquid form).

In addition to the above-mentioned components (A) and (B), the composition of the present invention also contains alkylbenzene sulfonate, α-olefin sulfonate, polyoxyethylene alkyl sulfate, etc. in order to improve the flexibility of synthetic fibers. Anionic surfactants such as ester salts and fatty acid soaps can be added such that the molar ratio of component (A)/anionic surfactant is within the range of 90/10 to 52/48. Furthermore, components that are commonly incorporated into softeners, such as higher alcohols, silicones, hydrocarbons, cellulose derivatives, bactericides, pigments, dyes, fragrances, and fluorescent brighteners, can also be appropriately incorporated.

In addition, in order to make it liquid, viscosity adjustment etc. need to be carried out to adjust the viscosity of polyoxyethylene (p=4-50) alkyl (C) ether, polyoxyethylene (05-12) phenylethyl, polyoxy, ethylene (p= 3-30) Small amounts of non-A-on surfactants such as sorbitan fatty acid esters, lower alcohols such as ethanol, urea, inorganic salts, etc. can be added. In addition, the above p is the average degree of polymerization of ethylene oxide, C is the number of carbon atoms (the same applies below), and the softener composition of the present invention is 1. Due to the action of component (A) ([3)], it exhibits excellent flexibility and antistatic effect, and at the same time, it can dissolve the properties of component (A). □゛Next, the present invention will be described in detail based on Examples.

Example 1 (8) Dihardened beef tallow dimethylammonium chloride: 4
%, (B) Linoleic acid dimerization product or dodecenylsuccinic acid or acrylic acid-linuric acid condensate: O ~ 5%, (C
) An aqueous dispersion consisting of polyoxyethylene (p=4o) nonylphenyl ether; 0.5%, balance: water was made into steel by the following method and its performance was evaluated. The results are shown in Table-1.

・Preparation method of aqueous dispersion Polyoxyethylene < p = 40) Heat the nonylphenyl ether aqueous solution to 45°C, and dropwise dropwise add the molten mixture of linoleic acid dimer and di-hardened beef tallow dimethylammonium chloride while stirring to uniformly disperse the mixture. After being dispersed in water, the mixture was cooled to room temperature.

- Finishing method Commercially available cotton towels, bleached cloths, and acrylic cloths were washed twice at 50°C using a commercially available laundry detergent in an electric washing machine, and then thoroughly washed with tap water at room temperature to form a zuzugi test cloth.

Next, add 2 parts of the softener composition to 301 V of tap water at 25°C.
0g was added to make a homogeneous solution. Each test cloth was immersed in this solution at a bath ratio of 30 times, treated for 3 minutes, and then soaked in water for 2 minutes.

After air-drying the fabrics treated in this way, cotton towels and 1 fabric for softening effect and water absorption evaluation were heated at 25°C and 65% I? 11
The acrylic cloth for antistatic effect evaluation was left for 72 hours at 20°C, 55%, and
, used in each evaluation test.

- lif value method (a) Flexibility: The feel of the cotton towel before and after treatment was compared and evaluated based on the following criteria.

+5... Very soft] 4... Fairly soft +-3... Soft +2... Slightly soft →-■... Slightly soft 0... Same as before treatment (b) Water absorption Size; 2cm x 1 according to JISL1003
5cII+ 1 cloth colored with ink in pure water (25℃)
The water was immersed in water for 5 minutes, and the height of the water rising in 5 minutes was measured. In addition, according to this measurement, the price increase of product 111i for fabric softener is 7.
It is desirable that it is 0 (am) or more.

(c) Antistatic property: Using a static honest meter (Otsuki Shokai!), the acrylic cloth was charged with an applied voltage of 7 kV and a target distance of 1112 ohms, and the half-life (seconds) of the charged voltage after the voltage was removed was measured.

Example 2 (8) Cationic fiber softener: 5% (B) Dimerized product of ester with unsaturated fatty acid and/or lower alcohol having 1 to 3 carbon atoms = 1% (C) Polyoxyethylene (r) =□40) Nonylphenyl ether 0.
A urinary dispersion consisting of 5% residual water was prepared and used in Example-
Performance was evaluated in the same manner as in Example 1. The results are shown in Table-2.

Table-2

Claims (1)

[Claims] 1, (A) a cationic fiber softening agent and (B) an unsaturated hot carboxylic acid having a carbon number of 1θ to 44 or a salt thereof or a varnish thereof, TE! A softening agent composition characterized by containing a lei and a himono.