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China Non-Ionic Cellulose Ether

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Brief Product Description

Non-ionic cellulose ethers are a critical subclass of cellulose ether in which the ether substituents carry no electrical charge at any pH. This ionic neutrality confers outstanding compatibility with electrolytes, salts, surfactants, and other charged additives, making HEC, HPMC, and HEMC the preferred thickening and water-retention agents across coatings, construction, oil field, personal care, and pharmaceutical formulations.

Product Overview

The non-ionic character of HEC, HPMC, and HEMC is a function of the neutral ether groups (hydroxyethyl, methyl, hydroxypropyl) introduced during synthesis. Unlike anionic cellulose ethers such as carboxymethyl cellulose (CMC), non-ionic grades are completely insensitive to cation type and concentration, ensuring stable viscosity and performance across a wide range of ionic environments.

This property is particularly critical in cement-based systems (which are highly alkaline and calcium-rich), in oil-field drilling fluids (which may be saturated salt brines), and in surfactant-rich personal care products (which contain a mix of anionic and cationic agents). Non-ionic cellulose ethers maintain consistent performance where ionic thickeners would precipitate, degrade, or lose viscosity.

Our full portfolio of non-ionic cellulose ethers spans multiple product lines, viscosity ranges, and application grades, providing formulators with flexibility to design robust, high-performance systems.

Specification

ParameterHECHPMCHEMC
Ionic CharacterNon-ionicNon-ionicNon-ionic
Substituent TypeHydroxyethylMethyl + HydroxypropylMethyl + Hydroxyethyl
Viscosity (2%, mPa·s)100 – 100,0005 – 200,0005,000 – 200,000
Salt ToleranceExcellentVery goodVery good
pH Stability2 – 123 – 113 – 11
Thermal GelationNoYes (60–90°C)Yes (65–90°C)
Surfactant CompatibilityAll typesAll typesAll types

Application

  • High-Electrolyte Systems: Ideal in cement mortars, drilling brines, and cleaning products where ionic thickeners fail.
  • Surfactant-Rich Formulations: Compatible with anionic, cationic, and amphoteric surfactants in personal care and cleaning products.
  • Acid and Alkaline Systems: Functions stably across pH 3–11, covering cement (pH 12 in wet state), acid cleaners, and neutral personal care.
  • Multi-Additive Mortars: Works alongside RDP, starch ethers, accelerators, and retarders without negative interactions.
  • Ophthalmic Solutions: HEC-based grades used in eye drops and contact lens solutions require ionic insensitivity to work in tear-film conditions.
  • Food & Pharma: Non-ionic character ensures safety and compatibility with charged active ingredients.

Advantages

  • Universal compatibility: Works alongside virtually all other additives regardless of charge.
  • Electrolyte stability: No viscosity loss or precipitation in high-salt, high-calcium environments.
  • Broad pH range: Stable performance from acid cleaning products to highly alkaline cement pastes.
  • Surfactant insensitive: Does not interact adversely with cationic conditioning agents in personal care.
  • Consistent lot-to-lot performance: Ionic neutrality means less formulation variability from batch to batch.
  • Safer chemistry: No ionic functional groups means no risk of ion exchange or charge-driven aggregation.
  • Multi-industry applicability: One polymer type serves construction, coatings, oil field, cosmetics, and pharma.
  • Q: Why is non-ionic character important in cement-based systems?
  • A: Cement pore water is rich in Ca²⁺, Na⁺, and K⁺ ions at high pH. Anionic thickeners like CMC precipitate in this environment. Non-ionic cellulose ethers remain stable, maintaining consistent water retention and workability regardless of cement chemistry.
  • Q: Can non-ionic cellulose ethers be used with cationic hair care ingredients?
  • A: Yes. Non-ionic HEC is the standard thickener in shampoos containing cationic conditioning polymers (e.g., guar hydroxypropyltrimonium chloride), where anionic thickeners would form incompatible complexes.
  • Q: How do non-ionic cellulose ethers compare to xanthan gum in performance?
  • A: Xanthan is anionic and sensitive to electrolytes. Non-ionic cellulose ethers offer better electrolyte tolerance and are more stable under alkaline conditions, while xanthan provides stronger pseudo-plastic behavior. Each has its niche; cellulose ethers are often preferred for cost-stability balance.
  • Q: Does non-ionic character affect the biodegradation rate?
  • A: Non-ionic cellulose ethers biodegrade at a rate similar to other cellulose derivatives. The non-ionic nature does not impair or enhance biodegradation — it is primarily determined by the cellulose backbone structure.
  • Q: Are there non-ionic cellulose ether grades for high-temperature oil drilling?
  • A: Our HEC Oil Drilling grades are specifically designed for high-salinity drilling fluids. For ultra-high-temperature wells (>150°C), additional thermal stabilizers may be required. Please consult our technical team for deep-well application guidance.
  • Q: Can I use non-ionic cellulose ethers in acid-based cleaning products?
  • A: Yes, with care. HPMC and HEMC are stable at pH as low as 3, and HEC down to pH 2 in short-exposure applications. Extended exposure at very low pH may cause hydrolysis over time. Contact us to select the most acid-stable grade for your cleaning formulation.

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About Us
Zhejiang Yisheng New Material Co., Ltd.
Zhejiang Yisheng New Material Co., Ltd. is a professional enterprise engaged in the design, development, manufacturing, application, and sales of cellulose ether, located in the Shangyu Economic and Technological Development Zone, part of the Hangzhou Bay National Industrial Park. With a core concept of safety, environmental protection, and sustainable development, the company boasts an annual production capacity of 15,000 tons of cellulose ether, offering a complete range of products including HEC (hydroxyethylcellulose), HEMC (hydroxyethyl methylcellulose), and HPMC (hydroxypropyl methylcellulose). Our products serve various sectors such as oil fields, coatings, dry powder mortar, cosmetics, personal care products, medicine, and many others. Yisheng has a global presence, providing stable cellulose ethers and services to customers worldwide.
As a professional China China Non-Ionic Cellulose Ether Supplier and China Non-Ionic Cellulose Ether Company, The company adheres to the principles of safety and environmental protection as the foundation of its development. It implements and further consolidates safety and environmental protection measures, striving to create green and environmentally friendly production processes, safe and effective control systems, and orderly production management. This approach lays a solid foundation for the company's sustainable development. Yisheng boasts a scientific management mechanism, a comprehensive quality management system, stringent product testing methods, advanced technology, state-of-the-art equipment, and high-quality after-sales service.
Zhejiang Yisheng New Material Co., Ltd.

+86-18067879812
Zhejiang Yisheng New Material Co., Ltd.

sarah@ys-cellulose.com
Zhejiang Yisheng New Material Co., Ltd.