máj . 28, 2025 05:53 Back to list
(hec cellulose)
Hydroxyethyl cellulose (HEC) is a non-ionic, water-soluble polymer derived from cellulose, widely recognized for its thickening, stabilizing, and water-retention properties. With a global market valuation exceeding $1.2 billion in 2023, HEC cellulose serves as a critical additive in sectors ranging from construction materials to personal care. Its molecular structure allows precise modification, enabling manufacturers to tailor viscosity and solubility for specific applications.
HEC cellulose outperforms alternatives like methyl cellulose (MC) or carboxymethyl cellulose (CMC) in three key areas:
Manufacturer | Viscosity Range (mPa·s) | Key Application | Moisture Retention (%) |
---|---|---|---|
Ashland | 100–150,000 | Pharmaceuticals | 92.5 |
Dow Chemical | 50–120,000 | Architectural Coatings | 89.7 |
Shin-Etsu | 200–200,000 | Ceramics | 95.1 |
Advanced manufacturers now offer modified HEC cellulose variants:
A 2023 case study with a European paint manufacturer demonstrated:
"Replacing traditional thickeners with hydroxyethyl cellulose HEC increased scrub resistance by 60% while reducing additive costs by $1.2 per ton. The reformulated product achieved 18-month stability without sedimentation."
Modern HEC cellulose production adheres to stringent standards:
Emerging research focuses on:
(hec cellulose)
A: HEC cellulose (hydroxyethyl cellulose) is a water-soluble polymer used as a thickener, stabilizer, and binder in industries like cosmetics, pharmaceuticals, and paints. It improves viscosity and texture in products like shampoos, lotions, and coatings. Its non-ionic nature ensures compatibility with various formulations.
A: HEC hydroxyethyl cellulose is modified with ethylene oxide, enhancing water solubility and thermal stability compared to unmodified cellulose. Unlike ionic derivatives like CMC, it performs well in high-electrolyte environments. This makes it ideal for applications requiring pH stability and salt tolerance.
A: Yes, hydroxyethyl cellulose HEC is non-toxic, hypoallergenic, and widely approved for use in cosmetics and skincare. It acts as a gentle thickener and emulsifier without irritating the skin. Regulatory agencies like the FDA and EU Cosmetics Regulation classify it as safe.
A: Yes, HEC cellulose is added to cement-based products, tile adhesives, and gypsum mixtures to improve water retention and workability. It enhances adhesion and reduces cracking during drying. Its solubility and viscosity control make it a key additive in construction formulations.
A: The viscosity of HEC hydroxyethyl cellulose depends on its molecular weight, concentration, and water temperature. Higher molecular weight or concentration increases viscosity, while elevated temperatures may reduce it. Mixing speed and pH levels also influence final solution consistency.
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