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The application of cellulose ether is very extensive, and the overall development of the national economy will directly drive the development of the cellulose ether industry. At present, the application of cellulose ether in China is mainly concentrated in industries such as building materials, o...Read more »
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Industry chain situation： (1) Upstream industry The main raw materials required for the production of cellulose ether include refined cotton (or wood pulp) and some common chemical solvents, such as propylene oxide, methyl chloride, liquid caustic soda, caustic soda, ethylene oxide, toluene and ...Read more »
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Using cellulose as raw material, CMC-Na was prepared by a two-step method. The first is the alkalization process of cellulose. The cellulose reacts with sodium hydroxide to generate alkali cellulose, and then the alkali cellulose reacts with chloroacetic acid to generate CMC-Na, which is called e...Read more »
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Background and Overview Cellulose ether is a widely used polymer fine chemical material made from natural polymer cellulose through chemical treatment. After the manufacture of cellulose nitrate and cellulose acetate in the 19th century, chemists have developed a series of cellulose derivatives o...Read more »
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In the pharmaceutical industry, hypromellose (HPMC, METHOCEL™) can be used as filler, binder, tablet coating polymer and key excipient to control drug release. Hypromellose has been used in tablets for more than 60 years and is a key excipient widely used in hydrophilic gel matrix tablets. Many p...Read more »
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Hydroxyethyl cellulose is an important cellulose derivative. Due to the advantages of abundant raw material resources, renewable, biodegradable, non-toxic, good biocompatibility, and large yield, its research and application have attracted much attention. . Viscosity value is a very important per...Read more »
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What are the different effects of different cellulose on plaster of Paris Both carboxymethyl cellulose and methyl cellulose can be used as water-retaining agents for plaster, but the water-retaining effect of carboxymethyl cellulose is far lower than that of methyl cellulose, and carboxymethyl ce...Read more »
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Cellulose is a polysaccharide that forms a variety of water-soluble ethers. Cellulose thickeners are nonionic water-soluble polymers. Its use history is very long, more than 30 years, and there are many varieties. They are still used in almost all latex paints and are the mainstream of thickeners...Read more »
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What are the effects of odor size on hydroxypropyl methylcellulose: Synthesis of hydroxypropyl methylcellulose: Treat refined cotton cellulose with lye at 35-40°C for half an hour, press, crush the cellulose, and age properly at 35°C, so that the average degree of polymerization of the obtained a...Read more »
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Let’s talk about hydroxypropyl methyl cellulose HPMC and how to measure its viscosity. The viscosity here refers to the apparent viscosity, which is an important reference to hydroxypropyl methyl cellulose. Standard. The usual measurement methods are rotational viscosity measurement, capill...Read more »
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In the production of building materials, especially dry powder mortar, cellulose ether plays an important role, especially in the production of special mortar (modified mortar), it is an important component. The important role of water-soluble cellulose ether in mortar is mainly its excellent wat...Read more »
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Cellulose is the main component of plant cell walls, and is the most widely distributed and most abundant polysaccharide in nature, accounting for more than 50% of the carbon content in the plant kingdom. Among them, the cellulose content of cotton is close to 100%, which is the purest natural ce...Read more »