DE1079584B - Process to prevent the electrical charging of textile materials - Google Patents

Description

GERMAN

Learn about various textile materials from Processing or an electrical charge in use. This applies in particular to materials made from cellulose acetate, from cellulose ethers, from polycondensation products, such as polyesters, polyamides and the like, made from vinyl polymers such as polyvinyl chloride, polyvinyl acetate U-. Like., from polymers yon acrylic acid removable, .like Acrylic acid ester !!, aryl acid nitrile and the like, but to a certain extent also for nitrogenous natural fibers such as silk and wool. The electrical charging becomes the mechanical Processing of such materials is significantly hindered. Soi it can z. B. when carding, hiding and Spinning of such fibers to a spreading of individual fibers and / or to a winding, des Spinning material on rotating machine parts come to such an extent that the processing in usually becomes impossible at all. Fabrics and knitted fabrics made from the fibers can be often poorly processed and packaged. Finished garments can be undesirable when worn Way, either cling to each other or repelling each other ..

It was now. found that this disturbing electrical charge can be eliminated by treating the textile materials mentioned during the manufacturing process, in the finishing or also during use with agents composed on the one hand of polyoxydi waxes and on the other hand of sulfonated fatty acid esters or fatty acids. Such a treatment has the effect that the electrical charge does not occur or is reduced to such an extent that there are no longer any difficulties in processing and using the textiles. The effect achieved here only appears when the aforementioned combination is used. The individual components of the combination have no significant antistatic effect.

Waxing under polyalkylene oxide! primarily the polyethylene oxide: wax with a molecular weight from over 2000, primarily from 5000 to 10000, understood, but are also corresponding Polymerization products of other alkylene oxides can be used.

Among sulfonated fatty acid esters or fatty acids +5 the sulfuric acid action products neutralized with inorganic or organic bases become more unsaturated and / or higher molecular weight fatty acid esters or fatty acids containing hydroxyl groups understood, such as Turkish red oil, sulfonated Ricinoleic acid esters, sulfonated olein, sulfonated castor oil fatty acid and the like.

The antistatic agents according to the invention can also be used for processing and the fiber Method of contraception

the electrical charge

of textile materials

Applicant:

Böhme Fettchemie G. mb H.,
Düsseldorf-Holthausen, Henkelstr. 67

Dr. Hermann Lange, Düsseldorf-Derendorf,

and Dr. Konrad Henkel, Düsseldorf,

have been named as inventors

Grant use favorable properties. For example, they can increase the gliding ability when spinning. The agents mentioned can therefore also be combined with other known agents, in which case First and foremost, the usual lubricants such as mineral, animal, vegetable oils, fats and waxes should be mentioned are. In relation to such additives, the agents according to the invention also act as emulsifiers.

The proportions of the starting components in the agents according to the invention can be varied, im In general, the sulfonation products are used in excess.

The antistatic agents are used in a more concentrated manner depending on the practical requirements oily or pasty form or in the form of aqueous solutions or in organic solvents. The first form of application comes, for example, in the processing of fibers, threads, strands, Ribbons and the like on the textile machines into consideration, the latter form in the finishing work or also with re-impregnation during use, which is also in connection with the usual laundry can be done.

Measures are already taken for treating fiber material with mixtures of polyglycol ethers higher molecular weight compounds containing hydroxyl, mercapto or carboxyl groups and sulfation products describe wocdien. Also the treatment of textile material with polyalkylene polyamines or etherification products from polyhydric alcohols and diolefinic terpenes in a mixture with higher molecular sulfates and sulfonates !! is known. From these known measures, however, can the particular anti-electrostatic effectiveness of the agents according to the invention cannot be derived.

909 770/4 & 7

The high antistatic effectiveness of the combinations according to the invention of polyalkylene oxide waxes and sulfonated fatty acid esters or fatty acids, which is based on an increase in the electrical conductivity of the treated textile material, is shown in the table below. Conductivity values are given in reciprocal ohms (ohms " ¹ ).

Solution a

30 g / l polyethylene oxide wax in water
(OH number 12; approximate molecular weight 9,000);

Solution b

30 g / l Turkish red oil in water.

IO

solution
from A + B Conductivity (Ohm - • 10- » Acetate silk • ^10-12 in relation to Perlon • ^10-12 0.75 • ^10-12 10-0 0.45 • ^10-12 2.6 • ^10-12 8: 2 1.5 • ^10-12 6.7 • ^10-12 6: 4 2.6 • 10-12 14.7 • ^10-12 5: 5 3.5 • ^10-12 18.0 • ^10-12 4: 6 40 • ^10-12 13.2 2: 8 32.6 • 10-12 • ^10-12 1: 9 14.7 1.8 0:10 1.4

30th

Examples

1. Raw cut polyamide fibers are treated after washing out the monomers in a bath, the 1% polyethylene oxide wax of molecular weight Contains about 9000 and 3% castor oil sulfate, squeezed off and dried. You let yourself go. open and spin perfectly with this treatment.

2. By melting together 15 parts by weight of polyethylene oxide wax and 7 parts by weight sulfonated! Castor oil gives a viscous oil, which as such or after dilution with water is used for the antistatic impregnation of textile thread in knitting or weaving.

3. 1% polyethylene oxide wax and 5% Turkish red oil are dissolved in a treatment bath. In this bath at about 30 ° C, acetate silk fabrics are made impregnated. After about half an hour of treatment, the tissue is squeezed off and! dried. It shows perfect antistatic impregnation.

4. In an aqueous treatment bath! become 1% Polyethylene oxide wax, 7.5% Turkish red oil and 7.5% of a mixture of 52 parts by weight of spindle oil, 45 parts by weight of Turkish red oil and 10 parts by weight of oleic acid, which is partially neutralized by ammonia is stirred in until it is completely dissolved. One treats in this bath fabric sheets made of polyamide fiber or Acetate silk, squeezes off utiid dries. The fabric panels have a pleasant, soft handle and show no electrostatic charge during use.

5. After wearing, summer dresses and skirts made of polyamide fibers are treated in a washing bath that contains 0.3% sodium alky / sulfuric acid (alkyl residues C ₁₂ to C ₁₈ ). 1% polyethylene oxide wax and 3% Turkish red oil are added to the wet rinsing bath. The washing is carried out in the usual way. The textiles are perfectly cleaned and show a clear antistatic effect.

Claims (2)

PATENT CLAIMS: 1. A method for preventing the electrical charging of textile materials, characterized in that that they can be treated with a combination of polyalkyletioxide waxes having a molecular weight impregnated by at least 2000 and sulfonated fatty acid esters or fatty acids. 2. The method according to claim !, characterized in that manu increasing the lubricity Agents, in particular mineral, animal or vegetable oils, fats or waxes, are also used. 40 Publications considered:
German Patent Nos. 605 973, 665 371, 694178, 725272; U.S. Patent Nos. 2294958,2403,960. 909 770/407 4.60