Kvě . 10, 2025 11:21 Back to list
(propyl methyl cellulose)
The cellulose ether market recorded a 7.8% CAGR growth from 2021-2023, with construction chemicals driving 42% of hydroxypropyl methyl cellulose
consumption. Regional analysis shows:
Propyl methyl cellulose demonstrates unique rheological properties:
Parameter | Standard HPMC | Modified HPMC | Improvement |
---|---|---|---|
Water Retention | 92% | 96.5% | +4.5pp |
Thermal Gelation | 60°C | 72°C | +12°C |
Dispersion Time | 120s | 85s | -29% |
Top hydroxypropyl methyl cellulose producers show distinct specialization:
Vendor | Viscosity Range (mPa·s) | Gel Temp (°C) | Particle Size (μm) |
---|---|---|---|
Dow Chemical | 5,000-200,000 | 58-85 | 45-180 |
Shin-Etsu | 10,000-150,000 | 62-80 | 38-150 |
Lotte Chemical | 8,000-180,000 | 60-82 | 50-200 |
Customized hydroxy methyl propyl cellulose solutions address:
Construction material trials demonstrated:
Leading hpmc-hydroxypropyl methyl cellulose manufacturer certifications:
Standard | EU Compliance | USP Grade | REACH |
---|---|---|---|
Purity | ≥99.8% | ≥99.5% | ≥99.7% |
Heavy Metals | <2ppm | <3ppm | <1.5ppm |
Emerging R&D focuses on:
(propyl methyl cellulose)
A: HPMC is widely used as a thickener, binder, and film-forming agent in construction materials, pharmaceuticals, and food. Its water-solubility and thermal gelation properties make it ideal for cement-based products and controlled-release drug formulations. It also improves adhesion and workability in industrial applications.
A: Hydroxy methyl propyl cellulose (HMPC) includes additional hydroxypropyl substitutions, enhancing its solubility and thermal stability compared to methyl cellulose. This modification broadens its usability in high-temperature environments like tile adhesives. It also offers better resistance to enzymatic degradation.
A: Prioritize manufacturers with certifications (e.g., ISO, USP) to ensure product quality and regulatory compliance. Evaluate their technical support, customization options, and ability to provide consistent viscosity grades. Transparent supply chains and sustainability practices are also key factors.
A: Yes, HPMC is generally recognized as safe (GRAS) by the FDA and complies with pharmacopeial standards (e.g., USP, EP). It is non-toxic, non-allergenic, and inert, making it suitable for edible coatings, capsules, and ophthalmic solutions. Always verify the grade meets industry-specific requirements.
A: Viscosity depends on the polymer's molecular weight, concentration in the solution, and temperature. Higher molecular weight or concentration increases viscosity, while elevated temperatures may reduce it temporarily. Manufacturers typically provide viscosity grades tailored to specific applications.
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