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Jan 31, 2023

Specific Industrial Application Of Hydroxypropyl Methyl Cellulose

Construction industry
1. Cement mortar: improve the dispersibility of cement-sand, greatly improve the plasticity and water retention of mortar, have an effect on preventing cracks, and enhance the strength of cement.
2. Ceramic tile cement: improve the plasticity and water retention of pressed ceramic tile mortar, improve the adhesive strength of ceramic tile, and prevent pulverization.
3. Coating of refractory materials such as asbestos: as a suspension stabilizer, a flow improver, and also to improve the bonding force to the substrate.
4. Gypsum concrete slurry: improve water retention and workability, and improve the adhesion to the substrate.
5. Joint cement: added to the joint cement for gypsum board to improve the fluidity and water retention.
6. Latex putty: improve the fluidity and water retention of resin latex-based putty.
7. Plaster: as a paste to replace natural materials, it can improve water retention and improve the adhesive bond with the substrate.
8. Paint: As a plasticizer of latex paint, it can improve the operation performance and fluidity of paint and putty powder.
9. Spraying paint: It has good effect on preventing the settlement of cement or latex spraying materials and fillers and improving the fluidity and spray pattern.
10. Secondary products of cement and gypsum: used as extrusion molding binder of cement-asbestos series and other hydraulic substances to improve fluidity and obtain uniform molding products.
11. Fiber wall: due to the anti-enzyme and anti-bacterial effect, it is effective as an adhesive for sand wall.
12. Others: It can be used as a bubble retention agent for thin cement mortar and mud hydraulic operators.
chemical industry
1. Polymerization of vinyl chloride and vinylidene: as suspension stabilizer and dispersant during polymerization, it can be used together with vinyl alcohol (PVA) hydroxypropyl cellulose (HPC) to control particle shape and particle distribution.
2. Adhesive: As the adhesive for wallpaper, it can be used together with vinyl acetate latex coating instead of starch.
3. Pesticide: added to pesticides and herbicides, it can improve the adhesion effect during spraying.
4. Latex: emulsifying stabilizer for improving asphalt latex, thickener for styrene-butadiene rubber (SBR) latex.
5. Binder: used as the forming adhesive for pencils and crayons.
Cosmetics industry
1. Shampoo: improve the viscosity of shampoo, detergent and detergent and the stability of bubbles.
2. Toothpaste: improve the fluidity of toothpaste.
food industry
1. Canned citrus: to prevent the whitening and deterioration due to the decomposition of citrin during storage and achieve the preservation effect.
2. Cold fruit products: added to fruit juice and ice to make the taste better.
3. Condiment: used as emulsifying stabilizer or thickener for sauce and ketchup.
4. Cold water coating and polishing: used for frozen fish storage, which can prevent discoloration and reduce quality. After coating and polishing with methyl cellulose or hydroxypropyl methyl cellulose aqueous solution, the ice layer can be frozen.
5. Tablet adhesive: As the forming adhesive of tablets and granules, it has good collapse (rapid dissolution, collapse and dispersion when taking) when adhering to the contract.
Pharmaceutical industry
1. Coating: the coating agent is made into a solution of organic solvent or an aqueous solution and given to tablets, especially the particles made are spray coated.
2. Slow-release agent: the effect will be shown in 4-5 days with the dosage of 2-3 g per day and 1-2 g per time.
3. Ophthalmic medicine: Because the osmotic pressure of HPMC aqueous solution is the same as that of tears, it has little irritation to eyes. It is added to the ophthalmic medicine as a lubricant for contact with eye lens.
4. Gelling agent: used as the base material of gelatinous external medicine or ointment.
5. Impregnating agent: used as thickener and water-retaining agent.
Kiln industry
1. Electronic material: As a ceramic electric tightener, the adhesive for pressing out and forming of ferrite bauxite magnet can be used together with 1.2-propanediol.
2. Glazing agent: used as the glaze agent for ceramics and in combination with enamel, it can improve the bonding and processability.
3. Refractory mortar: added to refractory brick mortar or castable furnace material, it can improve plasticity and water retention.

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