(what is hpmc used for)
Hydroxypropyl Methylcellulose (HPMC) serves as a multifunctional polymer with 82% of global consumption concentrated in construction materials. This cellulose derivative achieves water retention rates exceeding 93% in cementitious mixtures, directly impacting curing efficiency and structural integrity. Its molecular adaptability enables dual functionality as thickener (viscosity range: 400-200,000 mPa·s) and film-forming agent across pharmaceutical, food, and industrial applications.
HPMC outperforms alternatives through three measurable characteristics:
Field tests demonstrate 23% reduction in material waste compared to traditional binders when using HPMC-enhanced products.
Manufacturer | Viscosity (mPa·s) | Purity (%) | Setting Time | Price (USD/kg) |
---|---|---|---|---|
Ashland | 40,000 | 99.5 | 90 min | 5.80 |
Dow | 75,000 | 98.8 | 110 min | 6.20 |
Shin-Etsu | 15,000 | 99.2 | 75 min | 5.50 |
Specialized HPMC grades address specific operational needs:
A European construction firm achieved 17% cost reduction through customized HPMC with 28-minute delayed hydration.
Two landmark projects showcase HPMC effectiveness:
Recent developments include:
With 6.7% CAGR projected through 2030, HPMC continues evolving through nano-modification (18nm particle size variants) and hybrid polymer systems. Ongoing R&D focuses on achieving 99.9% bacterial resistance while maintaining eco-certifications, ensuring its position as a vital industrial additive.
(what is hpmc used for)
A: HPMC (Hydroxypropyl Methylcellulose) is primarily used as a thickener, binder, and film-forming agent in industries like construction, pharmaceuticals, and food. It improves water retention and workability in materials such as cement and mortar. It also acts as a stabilizer in various products.
A: In construction, HPMC is used as a water-retaining additive and thickener in cement-based materials like tile adhesives and renders. It enhances workability, reduces cracking, and prolongs drying time. It also improves adhesion and durability in mortars and plasters.
A: HPMC is used as a coating agent for tablets and capsules to control drug release. It also serves as a binder in granulation processes and a viscosity enhancer in liquid formulations. Its non-toxic nature makes it safe for medical applications.
A: HPMC acts as a thickener, emulsifier, and stabilizer in foods like sauces, dairy products, and baked goods. It improves texture and prevents ingredient separation. It is also used in gluten-free recipes to enhance dough elasticity.
A: HPMC is used as a binder in coatings due to its ability to form durable, flexible films. It enhances adhesion to surfaces and provides resistance to water and abrasion. Its compatibility with pigments and additives makes it ideal for paint and coating formulations.