CS264994B1 - A composition with a synergistic effect for processing cotton and its blends with synthetic fibers - Google Patents

Abstract

Synergistic mixture for improving the processing of cotton fibers or their mixtures with synthetic fibers consisting of a low-paraffinic oil component in an amount of 400 to 800 parts by volume, ethylene oxide derivative of higher fatty alcohols C12 to C15 70 to 170 parts by volume, 40 to 100 parts by volume of ethylene oxide derivative of higher fatty alcohols C12 to C15 subsequently sulfated and partially neutralized with alkanolamines and 1 to 5 parts by volume of elain to improve lubricating properties.

Description

The invention relates to a synergistic composition based on a low paraffinic hydrocarbon fraction, higher fatty alcohols, and a lubricant that facilitates the processing of cotton fibers and mixtures thereof with synthetic fibers in yarn production.

The processing of cotton and its blends with synthetic materials is very topical in the textile industry. In the context of the transition to the processing of cotton fibers of lower quality grades, the problem of workability, yarn quality and dustiness of the dust environment is at the forefront. Various types of textile auxiliaries, often provided with high economic costs, are used to overcome these drawbacks. Compositions improving the processability and physico-mechanical properties of the yarn are known (cf. AO 185 368,

DE 2 555 896, U.S. Pat. No. 3,983,272, DE 2,415,651, DE 2,919,918). Appropriate preparations often with antistatic effect are based on polysiloxanes, ethoxylates sec. amines as well as sulfonic acid salts. These mixtures are essentially based on a mixture of emulsifiers. The disadvantages of the preparations used so far are often the unpleasant odor of petroleum products (petroleum, petroleum fractions). While this odor is not harmful to health, it creates an unsuitable working environment that needs to be improved by intensive ventilation, air conditioning to ensure the workability of the cotton and its blend with other fibers and to achieve the desired yarn quality parameters.

The outlined problems are solved by a composition having a synergistic effect for processing cotton and its blend with synthetic fibers based on liquid hydrocarbons, ethoxylated alcohols and derivatives thereof and other additives consisting of 400 to 800 parts by volume of a low paraffinic hydrocarbon raffinate or spindle oil characterized by kinematic viscosity. at 20 ° C'2O to 40 mm ² with ³ , density value at 20 ° C max. 900 kg m ³ and a distillation range of 320 ° C to 390 ° C, 70 to 170 parts by volume of ethoxylated C12 to C18 higher fatty alcohols with an average ethoxylated content of 42 to 52% by weight and 350 to 550 parts by volume of spike oil characterized by ° C min. .900 kgm ^-3 , kinematic viscosity at 20 ° C max. 50 mm ² with ³ and a distillation range from +320 ° C - start to 390 ° C - end which can be replaced by a mixture of 40 to 100 parts by volume of C32 to C18 higher fatty alcohols ethoxylated with 4 to 6 moles of ethylene oxide; followed by sulphated, wherein the mixture is at least partially neutralized with at least one part by volume of a mixture of di- and triethanolamine and from 1 to 5 parts by volume of elain.

The preparation of the concentrate is carried out after the dosing of the individual components by mixing to form a homogeneous liquid mixture. The preparation can be carried out at a temperature of 20 to 25 ° C, optionally at a temperature of up to 50 ° C. Preferred features of the hydrocarbon dewaxing the refined fraction of added surfactant the individual components and the ethylene oxide substituted with higher fatty alcohols of the carbon number _C12 ^ g. The amount of ethylene oxide to be added is preferably selected at a level of 3 to 6 moles per mole (average molecular weight) of the fatty alcohol fraction used. The anionic character is achieved by the preparation of the corresponding sulfate by the action of sulfur trioxide or chlorosulfonic acid. Part of the sulfated ethoxylated fatty alcohol is preferably neutralized with hydrophilic amines, preferably diethanolamine, triethanolamine, or a mixture thereof. A portion of the fatty alcohols substituted with three to six moles of ethylene oxide is added to the mixture without further modification or substitution. A minor amount of elain is also added to the formulation to improve the lubricating properties of the prepared aqueous emulsion.

The preparation of the emulsion itself takes place at the point of application, processing of the cotton or a mixture thereof.

The advantage of using this synergistic composition is the better parameters of the prepared yarn, the dustiness of the working environment is reduced and the odor is reduced. Appropriate blanks and raw materials are available for preparing the composition. The improved parameters of the prepared yarn weigh in improved physico-mechanical properties, reduced breakage and dustiness. The composition is well washable from fabrics and does not adversely affect other technological treatments and dyeing of fabrics prepared from the prepared yarn. It is intended for use * 3 in cotton yarn and for processing cotton with other types of fibers, mainly with synthetic fibers of cotton character.

The advantage of using this preparation is also the fact that the application conditions are similar to those used up to now, therefore no modification of the machinery is necessary. The prepared emulsion is sprayed onto the unwrapped textile material directly by means of a pump and nozzles, or at the outlet of the primers in front of the carding machines.

Example 1

An effective lubricating emulsifying agent for textile fibers is prepared from the following ingredients:

815 parts by volume of low-paraffin light hydrocarbon raffinate

140 parts by volume of higher fatty alcohol C. ethoxylated with 3 to 6 moles of ethylene oxide parts by volume of higher fatty alcohol ethoxylated with 3-6 moles of ethylene oxide sulfated parts by volume of a mixture of di- and triethanolamine parts by volume of elaine

The prepared emulsifier mixture is applied after dilution with water in the spinning mill in a ratio of 1: 3 to 1: 4 and injected into the loose material so that the active substance content is 0.07 to 0.15% by weight of the textile material and its further processing the dustiness of the working environment is substantially reduced, the yarn breakage on the spinning machines min. by 5% over the values achieved with the prior art compositions described in the description, the physico-mechanical properties of the yarns according to the type of raw material being processed will be improved and the odor in the working environment will be eliminated.

Example 2

The lubricant for textile fibers is prepared from the following ingredients:

500 parts by volume of the low-paraffinic raffinate hydrocarbon fraction

400 parts by volume of lard oil

100 parts by volume of higher fatty alcohols ethoxylated with 4 to 6 moles of ethylene oxide

The emulsifiable concentrate prepared after dilution with water in a ratio of 1: 3 to 1: 4 is applied similar to that shown in Example 1. The achieved effects on application are also similar to those mentioned in Example 1.

Example 3

The lubricant for textile fibers is prepared from the following ingredients:

500 parts by volume of low paraffin hydrocarbon fraction. 430 parts by weight of lard oil parts by weight of higher C ₁₂ to C ₁₅ fatty alcohols ethoxylated with 4 to 6 moles of ethylene oxide.

Claims (1)

SUMMARY OF THE INVENTION A composition with a synergistic effect for processing cotton and blends thereof with synthetic fibers based on liquid hydrocarbons, ethoxylated alcohols and derivatives thereof and other additives, characterized in that it comprises: from 400 to 800 parts by weight of a low-paraffinic hydrocarbon raffinate or spindle; oil characterized by kinematic viscosity at 20 ° C to 40 mm 2 with density at 20 ° C max. 900 kgm 2 and distillation range +320 to +390 ° C 70 to 170 parts by volume of ethoxylated higher fatty alcohol C ^ 2 with average content % of ethoxylated groups of 42 to 52 wt. 350 to 550 parts by volume of a spike oil characterized by a density value at 20 ° C min. 900 kg.m-2, kinematic viscosity value at 20 ° C max. 50 mm 2 s 1 and distillation range from +320 ° C to +390 ° C, which may be replaced by a mixture consisting of 40 to 100 volumes of higher fatty alcohols ethoxylated 4 to 4 ° C 5 moles of ethylonoxide followed by sulfated, wherein the mixture is at least partially neutralized with at least one volume of di- and triethanolamine and between 1 and 5 volumes of elain. Severografia, n. P., MOST Price 2,40 Kcs