Hydroxyethyl Cellulose (HEC) is a non-ionic, water-soluble polymer derived from cellulose through chemical modification. It possesses a wide range of applications across various industries due to its unique properties such as thickening, stabilizing, film-forming, and water retention capabilities. This versatile polymer finds utility in sectors including pharmaceuticals, personal care products, construction, food, and many others.
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1.Pharmaceutical Applications
Oral Drug Delivery: HEC is commonly used as a thickening agent in oral suspensions and solutions. Its ability to control viscosity helps in enhancing the stability and palatability of pharmaceutical formulations. Additionally, it aids in sustaining drug release due to its film-forming properties.
Topical Formulations: In topical formulations such as creams, gels, and ointments, HEC acts as a viscosity modifier, providing desired consistency and spreadability. Its film-forming properties contribute to improved adhesion to the skin, facilitating prolonged drug release.
Ophthalmic Preparations: Hydroxyethyl Cellulose is utilized in eye drops and ointments as a viscosity-enhancing agent to increase ocular residence time, thereby improving the therapeutic efficacy of drugs.
Wound Dressings: Due to its biocompatibility and ability to form transparent films, HEC is incorporated into wound dressings. These dressings provide a moist environment conducive to wound healing while protecting the wound from external contaminants.
2.Personal Care Products
Cosmetic Formulations: HEC serves as a key ingredient in various cosmetic products including shampoos, conditioners, creams, and lotions. It acts as a thickener, stabilizer, and emulsifier, enhancing the texture, consistency, and overall performance of the products.
Hair Care Products: In shampoos and hair styling gels, HEC helps in controlling viscosity and improving the rheological properties, thus ensuring better spreadability and ease of application.
Skin Care Products: Lotions, creams, and facial masks often contain HEC for its moisturizing and film-forming properties. It helps in retaining moisture on the skin's surface, providing hydration and a smooth texture.
Oral Care Products: Hydroxyethyl Cellulose is utilized in toothpaste formulations as a thickening agent and binder. Its ability to form a protective film on the teeth and gums enhances the product's efficacy in plaque removal and oral hygiene maintenance.
3.Construction Industry
Paints and Coatings: HEC is added to paints and coatings as a rheology modifier to control viscosity and prevent sagging or dripping. It improves the application properties and ensures uniform coverage on surfaces.
Tile Adhesives and Grouts: In tile adhesives, HEC acts as a thickener and water retention agent, providing better workability and adhesion properties. In grouts, it enhances the consistency and prevents shrinkage during curing.
Cement and Mortar: Hydroxyethyl Cellulose is used in cement-based products such as renders, stuccos, and mortar for its water retention and thickening properties. It improves workability, reduces water loss, and enhances the bond strength of the mixture.
4.Food Industry
Food Thickening and Stabilization: In food products such as sauces, dressings, and desserts, HEC is employed as a thickening and stabilizing agent. It imparts desired texture, viscosity, and stability to the final product without altering the taste or flavor.
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Bakery and Confectionery: Hydroxyethyl Cellulose is used in bakery fillings, icings, and frostings to improve texture, spreadability, and stability. It also prevents syneresis in gel-based fillings and enhances the shelf-life of baked goods.
Dietary Supplements: HEC is utilized in the encapsulation of dietary supplements and vitamins to form controlled-release formulations. Its film-forming properties help in protecting the active ingredients and facilitating their gradual release in the digestive tract.
5.Other Applications
Oil and Gas Industry: In drilling fluids, HEC functions as a viscosifier and fluid loss control agent, maintaining the stability and rheological properties of the fluid under varying downhole conditions.
Textile Industry: Hydroxyethyl Cellulose is used as a thickener in textile printing pastes and as a sizing agent in textile finishing processes to improve fabric handle and stiffness.
Paper Industry: In paper coatings and sizing formulations, HEC acts as a binder and surface modifier, improving printability, ink adhesion, and water resistance of the paper.
Hydroxyethyl Cellulose (HEC) is a versatile polymer with a wide range of applications across various industries including pharmaceuticals, personal care products, construction, food, and more. Its unique properties such as thickening, stabilizing, film-forming, and water retention make it indispensable in formulating diverse products and enhancing their performance. As research and development continue to advance, the utilization of HEC is likely to expand further, catering to evolving industrial needs and consumer demands.
CAS#: Mixture
HEC will not thicken 70% isopropyl alcohol! It is soluble in solutions containing NO MORE than 30% alcohol.
Hydroxyethylcellulose is a non-ionic, water soluble polymer used as a thickening agent for aqueous cosmetic and personal care formulations. It will produce crystal clear gel products and thicken the aqueous phase of cosmetic emulsions. It can be also be used to efficiently thicken shampoos, body washes and shower gels.
One of the problems normally associated with this and other water-soluble thickeners is the tendency of the particles to agglomerate or lump when first wetted with water. The high-purity cosmetic grade of Hydroxyethylcellulose we offer is an R-grade, designed to be added to water without lumping, and thus greatly facilitating solution preparation. It is also the most efficient grade of non-ionic thickener available from the manufacturer.
Hydration of the R-grade particles has been inhibited. When the particles are added to water, they disperse without lumping, and following a predetermined delay, begin to dissolve. This process permits the preparation of clear, smooth, viscous solutions in a short period of time by simply adding the R-grade to water and stirring until the polymer is completely dissolved to prevent settling of the particles.
The inhibition period, from the initial wetting to the start of dissolution, is referred to as the hydration time. This hydration time can vary from 4-25 min. Hydration time is markedly affected by two factors: pH and temperature of the water. A higher temperature and a higher pH decrease the hydration time, but a too high temperature or pH can result in lumping. So, it is recommended that it be added to room temperature water with a neutral pH. Once hydrated, it can be heated and the pH can be adjusted as may be needed.
INCI: Hydroxyethylcellulose
** 50 lb bag is boxed and shipped separately from the balance of an order. Estimated shipping can be determined by placing the item in the cart on its own.
California Prop 65 Statement: The following statement is made in order to comply with the California Safe Drinking Water and Toxic Enforcement Act of . This product is not known to the State of California to cause cancer, birth defects or other reproductive harm.
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