CN-117026635-B - Nylon softener and preparation method thereof

Abstract

The application relates to the technical field of textile auxiliary synthesis, in particular to a nylon softener and a preparation method thereof, wherein the nylon softener is prepared from the following components, by weight, 10% -20% of nylon silicone oil, 0.3% -1.0% of pH regulator, 1.0% -3.0% of anticoagulant and the balance of deionized water, wherein the balance is 100%. The application has the advantages that the organic amine with the structure similar to that of the nylon fiber is selected to modify the nylon silicone oil, so that the binding force between the prepared nylon softener and the nylon fabric is improved, the absorptivity of the nylon fiber on the nylon softener is improved, the stability and the dispersibility of the nylon softener are better, and the nylon softener has better effect on the softness of novel nylon fabric.

Inventors

• SHEN JIANLIANG
• ZHANG TAOYONG
• SUN GUANGXING
• ZHANG JINLONG
• SHEN TAO

Assignees

• 绍兴海成化工有限公司

Dates

Publication Date

20260505

Application Date

20230902

Claims (4)

1. 1. The nylon softener is characterized by being prepared from the following components in percentage by weight: 10 to 20 percent of chinlon silicone oil, 0.3 To 1.0 percent of pH regulator, 1.0 To 3.0 percent of anti-agglomerating agent The balance of deionized water is supplemented to 100%; The anti-agglomerating agent consists of isomeric alcohol polyoxyethylene ether silane with a carbon chain length of C10 and isomeric alcohol polyoxyethylene ether silane with a carbon chain length of C13 according to a mass ratio of 1:1; the pH regulator is formed by mixing acetic acid, diethanolamine and triethanolamine, wherein the mass ratio of the acetic acid to the diethanolamine to the triethanolamine is (5-6) (1-2); the chinlon silicone oil is prepared from the following components in percentage by weight: 50% -60% of epoxy silicone oil; 3.0% -5.0% of organic amine; 30% -50% of isopropanol; the organic amine is one or a combination of more of 1, 5-pentanediamine, 1, 6-hexanediamine and 1, 7-heptanediamine.
2. 2. The chinlon softener according to claim 1, wherein the chinlon silicone oil is prepared by the following steps: A1, pouring epoxy-terminated silicone oil, organic amine and isopropanol into a reaction kettle in a nitrogen environment, continuously stirring and heating, and slowly heating to 78-82 ℃; A2, maintaining the temperature of the reaction kettle for 1-2 hours at the temperature of 78-82 ℃ to convert the materials in the reaction kettle into transparent fluid; a3, continuously maintaining the temperature of the materials in the reaction kettle for 6-8 hours at the temperature of 78-82 ℃ to obtain the nylon silicone oil.
3. 3. A method for preparing the chinlon softener according to any one of claims 1 to 2, characterized by comprising the steps of: B1, pouring chinlon silicone oil into a reaction kettle, and continuously stirring for 5-10 minutes; B2, after uniformly mixing the pH regulator and the deionized water, putting the mixture of the pH regulator and the water into the reaction kettle in the step B1, and continuously stirring for 20-30 minutes; b3, slowly adding the rest deionized water into the reaction kettle in the step B2, wherein the adding time of the deionized water is 1-2 hours; and B4, adding an anti-coagulant into the reaction kettle in the step B3 after the deionized water is added, and stirring for 10-20 minutes to obtain the nylon softener.
4. 4. The method for preparing a nylon softener according to claim 3, wherein the mass ratio of the pH regulator to deionized water in the step B2 is 1 (10-20).

Description

Nylon softener and preparation method thereof Technical Field The application relates to the technical field of textile auxiliary synthesis, in particular to a nylon softener and a preparation method thereof. Background The organosilicon softener can endow fabrics with soft, smooth, fluffy, elastic, hydrophilic and other handfeel, improves the quality of fabrics, is widely applied to the handfeel finishing of the fabrics, and has the advantages of high strength, light weight, high wear resistance, good rebound resilience and better hygroscopicity than terylene, so that the organosilicon softener is widely applied to clothing such as sports, body building, mountain climbing and the like, but along with the diversification of nylon fiber structures and fabric textile, the processing difficulty of the handfeel of part of nylon fabrics is also increased, such as nylon single-hole yarns, nylon fabrics blended by various fibers and the like are difficult to soften, the wearing comfort is influenced, and the development of industries is severely restricted. The invention patent with the publication number of CN113373696A discloses a softening agent for bamboo fiber fabrics and a preparation method thereof, and the softening agent comprises the steps of (1) respectively reacting small-molecular-weight polyether epoxy silicone oil with tetramethyl hexamethylenediamine, polyether amine EA600 and polyether amine AM2200 to obtain A1, A2 and A3, (2) respectively reacting medium-molecular-weight polyether epoxy silicone oil with polyether amine EA220, polyether amine EA600 and polyether amine EA900 to obtain B1, B2 and B3, (3) respectively reacting large-molecular-weight polyether epoxy silicone oil with diethanolamine, polyether amine EA1200 and polyether amine AM2200 to obtain C1, C2 and C3, and (4) mixing A1, A2, A3, B1, B2, B3, C1, C2 and C3 with an emulsifying agent and then adding modified piperazinyl silicone oil emulsion and an auxiliary agent. The softener prepared by the preparation method disclosed by the invention has the problem of poor softening effect on the current novel nylon fabric. Disclosure of Invention The invention aims to solve the technical problem of providing the nylon softener and the preparation method thereof, which are used for improving the binding force between the prepared nylon softener and the nylon fabric by modifying the nylon silicone oil through the organic amine with the structure similar to that of the nylon fiber, and meanwhile, the nylon fiber has higher absorptivity to the nylon softener, better stability and dispersibility and better softness performance to the novel nylon fabric. In order to solve the technical problems, the invention adopts the following technical scheme: the nylon softener is prepared from the following components in percentage by weight: When the pH value of the solution is lower than the isoelectric point, the nylon fiber is positively charged, and because the nylon silicone oil is positively charged and is repulsive to the charges, the nylon silicone oil and the nylon fiber can only be combined in a mode of intermolecular attractive force such as Van der Waals force or hydrogen bond, and the like, and the binding force is weak, so that the softening effect of the nylon silicone oil on the nylon fiber is reduced; when the pH value of the solution is higher than the isoelectric point of the nylon fiber, the nylon silicone oil is not easy to emulsify and the subsequent storage stability is poor, by adopting the technical scheme, by adding the pH regulator into the nylon silicone oil, the pH value of the nylon softener prepared by the method is kept near the isoelectric point of the nylon fiber, so that the nylon softener prepared by the method has a good softening effect and is convenient to store. In the invention, the pH regulator is formed by mixing acetic acid, diethanolamine and triethanolamine, wherein the mass ratio of the acetic acid to the diethanolamine to the triethanolamine is (5-6) (1-2). By adopting the technical scheme, the acetic acid, the diethanolamine and the triethanolamine are mixed in proportion to form a relatively stable buffer system, so that the pH value of the nylon softener is maintained at 5.0-6.0 and is close to the isoelectric point of the nylon fiber, the adsorption of the silicone oil onto the surface of the nylon fiber is facilitated, and the utilization rate of the silicone oil is improved. In the invention, the anticoagulant is isomeric alcohol polyoxyethylene ether silane, and the carbon chain length of isomeric alcohol in the isomeric alcohol polyoxyethylene ether silane is one or a combination of a plurality of C10 and C13. By adopting the technical scheme, the isomeric alcohol polyoxyethylene ether silane can be tightly adsorbed on the surface of the silicone oil according to the similar compatibility principle because the isomeric alcohol polyoxyethylene ether silane contains silicon atoms, so that the nylon softene