1, the identification of hydroxypropyl methyl cellulose method (1) Take 1.0g of sample, heated water (80~90℃) 100mL, stir continuously, and cool into viscous liquid in an ice bath; Put 2mL of the liquid into the test tube, slowly add 1mL sulfuric acid solution of 0.035%…
Hydroxypropyl methyl cellulose HPMC is a non-ionic cellulose mixed ether in a variety and ionic methyl carboxymethyl cellulose mixed ether, it does not react with heavy metals. One oxygen radicals because of hydroxypropyl methyl cellulose content and the different proportion of hydroxypropyl content and viscosity,…
What is the difference between hydroxypropyl methylcellulose (HPMC) with or without S? 1. HPMC is divided into instant type and rapid dispersion type HPMC fast dispersing type is suffixed with the letter S. During the production process, glyoxal should be added. HPMC instant type does…
The role of hydroxypropyl methylcellulose in diatom mud Diatom mud is an interior decoration wall material using diatomite as the main raw material. It has the functions of eliminating formaldehyde, purifying air, adjusting humidity, releasing negative oxygen ions, fire retardant, wall self-cleaning, sterilization and deodorization….
Advantages of hydroxypropyl methylcellulose construction site In the application of building materials, hydroxypropyl methylcellulose has its unique properties from mixing to dispersion to construction, as follows: Provisioning and configuration 1. Easy to mix with dry powder formula. 2. Has the characteristics of cold water dispersion….
Método de aplicación de hidroxietilcelulosa en pintura de látex. 1 Agregar directamente al moler el pigmento Este método es el más simple y lleva poco tiempo. Los pasos detallados son los siguientes: (1) Agregue agua purificada apropiada al balde grande del mezclador de alto cizallamiento…
Application method of hydroxyethyl cellulose in latex paint 1 Add directly when grinding the pigment This method is the simplest and takes a short time. The detailed steps are as follows: (1) Add appropriate purified water to the large bucket of the high-shear mixer (in…
Relationship between viscosity decrease and cellulose ether during coating storage After storage for a period of time, the coating shows a decrease in viscosity. the reason 1. The molecular chain of the thickener is broken. Non-biologically stable cellulose thickeners are attack by enzymes. The molecular…
What do you think of the quality of cellulose that determines the quality of mortar? In ready-mixed mortars, the amount of cellulose ether added is very low. But it can significantly improve the performance of wet mortar, which is a major additive that affects the…
Application and contraindication of carboxymethyl cellulose 1. The sodium carboxymethyl cellulose is directly mixed with water to prepare a paste-like glue solution, and then used. When equipped with sodium carboxymethyl cellulose paste, first participate in a certain amount of clean water in a mixing tank…
