阅读说明：本技术 一种匀染剂及其在涤纶染色中的应用 (Leveling agent and application thereof in polyester dyeing ) 是由 艾绳瑞 于 2019-10-24 设计创作，主要内容包括：本发明公开了一种匀染剂,按照质量百分比由以下原料组分构成：十二醇聚氧乙烯醚,7％-10％；2-萘磺酸甲醛聚合物钠盐,5％-9％；异丙醇,1％-3％；硫酸软骨素,0.5％-1％；磷酸二氢钠,2％-6％；余量为水,以上各原料含量的总和应为100％。本发明还公开了该匀染剂在涤纶染色中的应用。本发明的有益效果是：(1)本发明纯棉染色用匀染剂法,能够缩短染色时间,并且使得具有极佳的匀染效果；(2)本发明将软骨素用于印染技术领域,拓宽了软骨素的应用市场价值。(The invention discloses a leveling agent, which comprises the following raw material components in percentage by mass: 7-10% of lauryl alcohol polyoxyethylene ether; 5% -9% of 2-naphthalenesulfonic acid formaldehyde polymer sodium salt; 1% -3% of isopropanol; 0.5% -1% of chondroitin sulfate; 2% -6% of sodium dihydrogen phosphate; the balance of water, and the sum of the contents of the above raw materials is 100%. The invention also discloses an application of the leveling agent in polyester dyeing. The invention has the beneficial effects that: (1) the leveling agent method for dyeing the pure cotton can shorten the dyeing time and has excellent leveling effect; (2) the invention uses the chondroitin in the technical field of printing and dyeing, and widens the application market value of the chondroitin.)

1. The leveling agent is characterized by comprising the following raw material components in percentage by mass: 7-10% of lauryl alcohol polyoxyethylene ether; 5% -9% of 2-naphthalenesulfonic acid formaldehyde polymer sodium salt; 1% -3% of isopropanol; 0.5% -1% of chondroitin sulfate; 2% -6% of sodium dihydrogen phosphate; the balance of water, and the sum of the contents of the above raw materials is 100%.

2. The leveling agent according to claim 1, wherein the lauryl polyoxyethylene ether accounts for 8% -9.5%; 6 to 7.5 percent of 2-naphthalene sulfonic acid formaldehyde polymer sodium salt; 2% -2.5% of isopropanol; 0.7% -0.9% of chondroitin sulfate; 2.5 to 4 percent of sodium dihydrogen phosphate and the balance of water.

3. A levelling agent according to claim 1 or 2 wherein the levelling agent has a suitable PH of from 4.5 to 6.5.

4. The leveling agent according to claim 3, wherein the pH of the dyeing solution containing the leveling agent is adjusted by glacial acetic acid.

5. A leveling agent is applied to polyester dyeing.

Technical Field

The invention belongs to the technical field of dyeing auxiliaries, and particularly relates to a leveling agent and application of the leveling agent in polyester dyeing.

Background

Leveling agents are largely classified into the following two types, depending on their affinity for dyes and fibers: (1) the fiber-philic leveling agent hardly influences the aggregation degree of the dye, and has affinity to the fiber which is greater than that of the dye to the fiber, so that the leveling agent is firstly combined with the fiber in the dyeing process to reduce the dye-uptake rate, but the dye can gradually replace the leveling agent along with the change of the dyeing condition and is fixed on the fiber, and the leveling agent only has the function of slow dyeing; (2) the dye-philic leveling agent can obviously improve the dye aggregation degree, the affinity to the dye is greater than that to the fiber, and the leveling agent is combined with the dye to generate a certain stable aggregate before the dye is dyed, so that the dye diffusion rate is reduced, and the dyeing time is delayed. The dye is gradually separated from the leveling agent along with the change of the conditions and is combined with the fiber, but the leveling agent still has certain affinity to the dye at the moment, and the dye can be pulled down from the fiber to dye a place with light color for the non-leveling fabric, so that the leveling agent not only has the dyeing slowing function, but also has the dye transfer function.

Therefore, dye-philic leveling agents are widely studied and applied in dyeing processes.

Disclosure of Invention

The invention aims to provide a leveling agent, which solves the problem of poor leveling effect of the leveling agent in the prior art.

The invention also aims to provide the application of the leveling agent in polyester dyeing.

The technical scheme adopted by the invention is that a leveling agent,

the material comprises the following raw materials in percentage by mass: 7-10% of lauryl alcohol polyoxyethylene ether; 5-9% of 2-naphthalenesulfonic acid formaldehyde polymer sodium salt; 1-3% of isopropanol; 0.5-1% of chondroitin sulfate; 2-6% of sodium dihydrogen phosphate; the balance of water, and the sum of the contents of the above raw materials is 100%.

The invention is also characterized in that:

8-9.5% of lauryl alcohol polyoxyethylene ether; 6-7.5% of 2-naphthalenesulfonic acid formaldehyde polymer sodium salt; 2-2.5% of isopropanol; 0.7-0.9% of chondroitin sulfate; 2.5 to 4 percent of sodium dihydrogen phosphate and the balance of water.

The pH value of the leveling agent is suitable to be 4.5-6.5.

The pH value of the staining solution containing the leveling agent is adjusted by glacial acetic acid.

The invention adopts another technical scheme that the leveling agent is applied to polyester dyeing.

The invention has the beneficial effects that: (1) the leveling agent method for dyeing the pure cotton can shorten the dyeing time and has excellent leveling effect; (2) the invention uses the chondroitin in the technical field of printing and dyeing, and widens the application market value of the chondroitin.

Detailed Description

The present invention will be described in detail with reference to the following embodiments.

The invention relates to a leveling agent which comprises the following raw material components in percentage by mass: weighing the related components according to the following percentages: 7-10% of lauryl alcohol polyoxyethylene ether; 5% -9% of 2-naphthalenesulfonic acid formaldehyde polymer sodium salt; 1% -3% of isopropanol; 0.5% -1% of chondroitin sulfate; 2% -6% of sodium dihydrogen phosphate; the balance of water, and the content of the components is 100 percent in total.

Chondroitin (chondroitin) generally has a molecular weight of 2-5 ten thousand, is white powder, has strong water absorption, is easily soluble in water to form viscous solution, and is insoluble in organic solvents such as ethanol, diethyl ether, acetone, etc. The chemical composition is a high polymer formed by connecting D-glucuronic acid and acetamido hexose through 1, 3-b-glycosidic bond. The invention uses chondroitin as a printing and dyeing auxiliary agent, can prevent dye molecules from aggregating or competitively dyeing, and leads the dye molecules to slowly dye pure cotton fiber molecules, thereby obtaining ideal effects of level dyeing and slow dyeing.

The prepared leveling agent is used for dyeing polyester fibers, and the pH value of a dyeing solution is adjusted to 4.5-6.5 by glacial acetic acid.

And (3) carrying out dye uptake, fixation rate, leveling property and dyeing fastness test on the terylene obtained after dyeing by the leveling agent.

Dye uptake: and measuring residual liquid before and after dyeing on a spectrophotometer to obtain the dye uptake of the dye.

And (3) fixation rate: and drying the pure cotton fabric before and after dyeing in an oven at 100 ℃ to an absolute dry weight, dyeing and measuring, wherein the fixation rate of the dye on the pure cotton fabric is obtained by dividing the dyed pure cotton fabric by the pure cotton fabric before dyeing.

Leveling property: selecting one point on the fabric as a standard point, then randomly selecting 10 points, testing the color difference value of the selected point, and calculating the standard deviation S, wherein the smaller the value of the standard deviation S, the better the leveling property of the fabric.

Fastness to rubbing: measured according to GB/T3920-2008 ' color fastness to rubbing ' of textile color fastness test '.