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Related Knowledge of Fabric Softener

Sep 27, 2021

Fabric softener is a daily chemical product that can give clothes and fabrics a soft and pleasant feeling in the hand, wearing and use. The smooth and soft effect of fabric softener is mainly due to the fact that after the softener is adsorbed on the surface of the fiber, it prevents direct contact between the fiber and the fiber, reduces the dynamic friction coefficient and the static friction coefficient between the fiber and the fiber, and reduces the resistance between the fabric components and the fabric and the fabric. The resistance between the human body in order to achieve the effect of soft hand feeling and comfortable wearing.
Fabric softeners are agents that can make fabrics feel soft after washing and drying. There are three main categories, namely non-surfactants, surfactants, and mixtures of surfactants and non-surfactants.
In the commonly used soft finishing, the most common and simple way is to treat the fabric with a softener, so that the softener forms a protective film on the surface of the fabric, reducing the friction between the components in the fabric and the friction between the human body and the fabric, thereby Play a soft and smooth function.

According to statistics, the main methods used for fabric softening are mechanical softening, chemical softening and biological enzyme processing. The mechanical softening effect is not long-lasting and the effect is not obvious; the chemical finishing effect is better, and it has changed the defects of the stiffness and poor softness of the fabric. Biological enzyme processing is an environmentally friendly and effective processing method that has emerged in recent years.

In the dyeing and finishing process, due to the characteristics of the fibers that constitute the fabric, or in order to give the fabric a certain function, it is often necessary to use a softener to improve the fabric's smoothness and soft feel, and improve the comfort of the fabric. For the soft finishing of water-silicone oil softener and bath softener in cotton fabric, orthogonal experiment and single factor experiment (softener dosage, baking temperature and baking time, etc. process conditions) are used to discuss the best finishing of cotton fabric softening. Process, tested the hand feel and whiteness of cotton fabric before and after soft finishing.

The development process of cationic surfactants for household fabric softeners and the performance characteristics of various cationic surfactants. Using the advantages and disadvantages of various cationic surfactants, fabric softeners with certain performance characteristics can be compounded. At the same time. It also introduces the advantages and disadvantages of the formulation and performance of the three main product types of household fabric softeners, and looks forward to the development trend of fabric softness.

A new generation of silicone softeners In the late 1970s, foreign countries began to research and develop a new generation of silicone softeners, that is, various modified polysiloxanes, and many products are now used in fabric finishing. At present, research and competition are continuing at home and abroad The new products developed are generally divided into three categories: (1) The reactive type includes modifications such as amino, epoxy, carboxyl, methacryl and fluoroalkyl. (2) The non-reactive type is mainly pure polyether modification (3) Mixed type such as polyether amino and epoxy modification. The most commonly used textile is polyether modification, and softeners are mostly modified with amino groups. Most of the products are mixed modification, including a small amount of simple Modification of active groups such as amino, epoxy, carboxyl and fluoroalkyl.

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