Durability anti-crease finishing agent

Abstract

The invention relates to a durability anti-crease finishing agent, which comprises the following main components in parts by weight: dimethylol urea resin, bis (hydroxymethyl) triazone, methylol melamine, butyl acrylate, ammonium citrate, maleic acid-acrylic acid copolymer, poly-carboxylate, fatty alcohol-polyoxyethylene ether, nanometer titania, a dispersing agent and a penetrating agent. The anti-crease finishing liquid is nanometer resin finishing liquid, the dimethylol urea resin, the excess bis (hydroxymethyl) triazone and the methylol melamine are compounded to serve as a finishing agent, and meanwhile, nanometer oxide with a catalytic effect or a synergistic effect is added to prepare the durability anti-crease finishing agent; when the durability anti-crease finishing agent is used for anti-crease finishing of cotton fabrics, while the anti-crease effect is ensured, the problem that anti-crease finishing strength loss and abrasive resistance loss are great in the past is improved; meanwhile, the fabrics have no yellowing phenomenon.

Description

technical field [0001] The invention relates to textile dyeing and finishing technology, in particular to a durable anti-wrinkle finishing agent. Background technique [0002] With the progress of human society, the development of science and technology and the improvement of living standards, people's clothing consumption concept and market demand have undergone significant changes. Judging from the domestic and foreign status quo of market fabric development and research, the focus is mainly on product comfort, health, safety protection and environmental protection. [0003] Natural fibers come from nature, meet people's needs for comfort, environmental protection and health, and are favored by consumers. Among them, cotton fiber is a natural fiber with a long history and wide application, and is recognized as "green fiber". As a natural fabric product, pure cotton fabric is welcomed by people because of its soft feel, good moisture absorption and breathability, excellen...

AI Technical Summary

Problems solved by technology

However, formaldehyde-free finishing agents are much different from traditional N-methylolamide finishing agents in terms of reactivity, price and source of raw materials, so it is difficult to replace such resins (such as 2D or modified 2D) in terms of comprehensive performance. resin, etc.)

[0005] Experiments have shown that after anti-wrinkle finishing with modified 2D resin finishing liquid, the strength of cotton and other cellulose fiber fabrics will be greatly lost, which seriously affects their wearability.

The study found that there are two main reasons for the decline in strength: one reason is that this type of finishing agent forms intramolecular and intermolecular crosslinks inside cotton and other cellulose fibers, which limits the strength of cellulose in cotton and other cellulose fibers. The mobility of macromolecular chain segments causes stress concentration; another reason is that most of the catalysts used in traditional finishing methods are acidic or latent acidic catalysts, and acidic catalysis will cause the degradation of cellulose macromolecular chains, causing cotton and other cellulose Acid damage to fibers

In order to improve the elastic properties of cotton and other cellulose fiber fabrics, the former cause of the decline in strength caused by wrinkle-resistant finishing is inevitable; As a finishing agent, it is made by adding nano-oxides with catalytic effect or synergistic effect at the same time. It is used for anti-wrinkle finishing of cotton fabrics. While ensuring the anti-wrinkle effect, it can improve the strength and wear resistance of the previous anti-wrinkle finishing. problem, while the fabric has no yellowing phenomenon, so far no patents or literature reports