Application de l'HPMC dans le secteur de la construction

Hydroxypropyl methyl cellulose (HPMC) is a white or nearly white fibrous powder or granule with excellent cold water solubility, and because it is a non-ionic cellulose ether, it can be dissolved in aqueous solution It has no charge, so it has strong stability and good compatibility with other excipients or API. Toxicology research data shows that it will not be metabolized in the body, has no toxic side effects in the body, and is a safer pharmaceutical excipient. Due to its different molecular weight and viscosity, it has properties such as adhesion, thickening, suspension, emulsification, and film-forming. Therefore, it is widely used in preparations and is often used as a binder, dispersant, and thickener in pharmaceutical preparations. As well as film coating materials, sustained-release matrix materials, etc.

1. Cement mortar: improve the dispersion 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 glue relay of ceramic tile and prevent pulverization.

3. Coating of asbestos and other refractory materials: as a suspension safety agent and liquidity improver, it also improves the adhesive force to the substrate.

4. Gypsum concrete slurry: improve water retention and processability, and improve the adhesion to the substrate.

5. Joint cement: added to the joint cement for gypsum board to improve fluidity and water retention.

6. Latex putty: improve the fluidity and water retention of resin latex based putty.

7. Plaster: as a paste instead of natural substances, it can improve the water retention and improve the glue relay with the substrate.

8. Coating: as a plasticizer of latex coating, it plays a role in improving the operability and fluidity of coating and putty powder.

9. Spraying coating: it has a good effect on preventing the sinking of cement or latex spraying filler and improving the fluidity and spray pattern.

10. Secondary products of cement and gypsum: used as the press out molding binder of hydraulic substances such as cement asbestos system to improve the fluidity and obtain uniform molded products.

11. Fiber wall: due to the anti enzyme and anti-bacterial effect, it is effective as the adhesive of sand wall.

12. Others: it can be used as bubble retention agent (PC version) for thin mortar, sand mortar and mud hydraulic operator.

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