The process of making leather is quite complicated and cumbersome, from naked skin to finished leather, it needs to go through many processes. Before tanning, preparations for soaking in water, soakin...... View all

Surfactants are widely used in the textile industry. Such as spinning, spinning, sizing, weaving or knitting, refining (refining and bleaching), dyeing, printing, finishing, and other textile processi...... View all

The effect of clothing care agent (fabric softener) and laundry detergent on clothing is fundamentally different. (1) The washing liquid is to separate the dirt from the clothes, and the detergent it...... View all

The main reaction for the synthesis of cationic surfactants is N-alkylation, in which tertiary amines react with alkylating agents to form quaternary ammonium salts. This reaction is also called quate...... View all

Most of the commercially-available cationic surfactants are derivatives of organic nitrogen compounds, and their positive ion charges are carried by nitrogen atoms, and some new cationic surfactants h...... View all

Foam plays an important role in the washing process. Foam refers to a dispersion system in which gas is dispersed in liquid or solid. Gas is the dispersed phase, and liquid or solid is the dispersion ...... View all

Common emulsions, one phase is water or aqueous solution, and the other phase is organic matter immiscible with water, such as grease, wax, etc. The emulsion formed by water and oil can be divided int...... View all

The surface pressure of the adsorption membrane: the surfactant adsorbs at the gas-liquid interface to form an adsorption membrane. For example, a frictionless movable float is placed on the interface...... View all

①Surface tension The shrinkage force of any unit length of the liquid surface is called surface tension, and the unit is N • m-1. ②Surface active and surfactant The property that can reduce the s...... View all

Excellent characteristics of high temperature vulcanized silicone rubber sealing strip 2.1 excellent weather resistance and aging resistance. The bond energy of silicone rubber is higher than that ...... View all

High temperature vulcanized silicone rubber sealing strip is a kind of sealing strip made of a new material. It is mainly based on methyl vinyl raw rubber, with reinforcing filler, wetting agent (stru...... View all

           Since late March, I believe that many people, like editors, have seen the number of newly diagnosed new crowns in the world increase every day, see the high-pr...... View all

Brief introduction of silicone mask   Silicone masks have been developed for anti-virus and anti-fog in the early years, and the choice of silicone masks has a relatively long service life and ...... View all

5. Perfusion Pouring molds or pouring molds are used for relatively smooth or simple products. There is no mold line to save labor and time, which is to surround the product or model you want to copy...... View all

3. Extrusion Extrusion molding, the products are usually formed by extruding the silicone through the extrusion machine. Generally, the shape of the extruded silicone is long, and the tube can be cut...... View all