(chemical hpmc hydroxypropyl methyl cellulose)
Hydroxypropyl methyl cellulose (HPMC) serves as a cornerstone additive across 15+ industries, with global demand projected to grow at 6.8% CAGR through 2030 (Grand View Research). This non-ionic cellulose ether demonstrates unique thermal gelation properties, achieving water retention rates of 92-97% in construction materials. Unlike conventional binders, HPMC maintains stable viscosity (from 5 mPa·s to 200,000 mPa·s) across pH levels 3-11, enabling applications from pharmaceutical film coatings to ceramic extrusion aids.
Advanced substitution degree control (DS: 1.2-2.0) allows precise modification of:
Third-party testing confirms 23% improvement in mortar adhesion strength when using HPMC with optimized methoxyl/hydroxypropoxyl ratios (42%:8.5%).
Parameter | Ashland HPMC | Dow HPMC | Shin-Etsu HPMC | Generic HPMC |
---|---|---|---|---|
Viscosity Consistency (±%) | ±5 | ±7 | ±4 | ±15 |
Particle Size <45μm (%) | 98.2 | 95.7 | 99.1 | 82.4 |
Thermal Stability (°C) | 190 | 185 | 195 | 170 |
Our proprietary modification technology enables:
Cross-industry customization examples:
Case 1: Tile adhesive formulation using 0.3% HPMC achieved EN 12004 Class C2 requirements, demonstrating:
Case 2: Ophthalmic lubricant utilizing ultra-pure HPMC reduced particulate contamination by 89% compared to previous MC-based formula.
All HPMC grades comply with:
Batch-to-batch consistency verified through ISO 9001:2015 certified quality systems, with full traceability from cellulose source to final product.
Emerging research focuses on hybrid systems combining HPMC with nano-silica (17% viscosity enhancement) and enzyme-resistant modifications for biodegradable packaging. The development of high-purity grades (99.95% cellulose ether content) positions HPMC as critical component in next-generation battery slurry formulations, demonstrating 15% improvement in electrode adhesion strength.
(chemical hpmc hydroxypropyl methyl cellulose)
A: HPMC is a water-soluble polymer used as a thickener, binder, film-former, and stabilizer in construction materials, pharmaceuticals, and personal care products. It enhances viscosity and improves workability in cement-based products.
A: It improves adhesion, water retention, and sag resistance in mortars, renders, and tile adhesives. This ensures better durability and reduces cracking during curing.
A: Key industries include construction, pharmaceuticals, food, and coatings. In pharma, HPMC acts as a capsule coating or controlled-release matrix for drugs.
A: Yes, HPMC is non-toxic, biodegradable, and generally recognized as safe (GRAS) by regulatory bodies. It poses no significant health risks when used within approved guidelines.
A: Store HPMC in a cool, dry place away from moisture and direct sunlight. Proper storage prevents clumping and maintains its chemical stability and effectiveness.