HEC for Home Care
Your Leading Kaimaoxing Cellulose (Shandong) Co.,Ltd. Supplier
The Kaimaoxing factory was established in 2007. The boss and two experienced technical experts who came out of state-owned enterprises began to explore and embarked on the road of cellulose production. The first stage, 2008, ushered in the spring of China's real estate. The government commercialized houses, which set off the first small wave of real estate in Chinese history. A steady stream. With the gradual increase in orders from the factory, the factory expanded its production capacity for the first time and added production lines. At this time, our customers were all domestic. Until 2016, we increased the orders of many traders, who continuously sold the goods of Kaimaoxing factory to all over the world. In order to adapt to the needs of domestic competition and keep in line with foreign situations, we have been expanding our scientific research personnel and technical personnel.
Why Choose Us?
High quality
Our products are manufactured or executed to very high standards, using the finest materials and manufacturing processes.
Rich experience
We are serving more than 2,000 customers, provide reasonable solutions for joint agent applications and other fields.
Demand and application
We have been committed to research more applications of products will expand more products to meet the different needs of customers.
Technology support
From the two technical personnel when the factory was first established to the current technical team of 22.
What is HEC For Home Care？
Hydroxyethyl cellulose (HEC) is a nonionic, water-soluble polymer. It is a white, free-flowing granular powder and is made by reacting ethylene oxide with alkali-cellulose. Hydroxyethyl cellulose is a polysaccharide derivative with gel thickening, emulsifying, bubble-forming, water-retaining and stabilizing properties. It is used as a key ingredient in many household cleaning products, lubricants and cosmetics due to its non-ionic and water-soluble nature. It is often used as an ingredient in ophthalmic pharmaceutical preparations such as artificial tear solutions and adjunct agent in topical drug formulations to facilitate the delivery of drugs with hydrophobic character.
Benefits of HEC For Home Care
Enhanced viscosity
HEC effectively increases the viscosity of solutions and formulations, improving their handling properties.
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Stability
It enhances the stability of formulations, preventing phase separation and maintaining product integrity.
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Versatility
HEC’s compatibility with various ingredients allows its use in a wide range of formulations across different industries.
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Clear formulations
In cosmetics and personal care products, HEC helps maintain clarity in formulations, contributing to product aesthetics.
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Safety
Hydroxyethylcellulose is generally recognized as safe (GRAS) by regulatory bodies when used in accordance with good manufacturing practices.
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Types of HEC For Home Care
The viscosity of HEC is an important indicator of its fluidity in solution, usually based on the dilution (concentration) of the solution and the measurement conditions (such as shear rate).
1.Low viscosity HEC: The viscosity in 1% solution is less than 1000 mPa·s. Low viscosity HEC is suitable for use as a rheology control agent, dispersant and lubricant, and is widely used in daily chemical products, food industry, and certain pharmaceutical preparations.
2.Medium viscosity HEC: The viscosity in 1% solution is between 1000 and 4000 mPa·s. Medium viscosity HEC is widely used in coatings, adhesives, printing inks, and building materials industries, providing good thickening effects and rheology control.
3.High viscosity HEC: The viscosity in 1% solution is higher than 4000 mPa·s. High viscosity HEC is mainly used as a thickener and stabilizer, suitable for fields requiring high viscosity and high transparency, such as high-end coatings, cosmetics, and certain special industrial applications.
Application of HEC For Home Care
Hydroxyethyl Cellulose (HEC) is extensively used in the personal care and cosmetics industry. It is a common ingredient in hair care products, such as shampoos, conditioners, and styling gels, where it provides thickening and conditioning benefits. Hydroxyethyl Cellulose (HEC) is also found in skincare products, including creams, lotions, and gels, as a viscosity modifier and emulsion stabilizer.
Hydroxyethyl Cellulose (HEC) finds extensive application in the manufacturing of paints, coatings, and adhesives. It serves as a valuable thickening agent, enhancing the rheological properties of these formulations and improving their application characteristics. By incorporating Hydroxyethyl Cellulose (HEC), the viscosity and consistency of paints and coatings are optimized, facilitating better control during application. Furthermore, HEC contributes to the stability and durability of the coatings, imparting resistance to water and chemicals. This ensures enhanced performance and longevity of the painted or coated surfaces.
Hydroxyethyl Cellulose (HEC) is employed in the construction industry as an additive in cement-based products, such as tile adhesives, grouts, and self-leveling compounds. It enhances the workability, consistency, and bonding properties of the materials, improving their performance and durability.
Hydroxyethyl Cellulose (HEC) finds application in the pharmaceutical industry. It is used as a binder, stabilizer, and film-forming agent in tablet formulations. Hydroxyethyl Cellulose (HEC) helps improve the tablet’s integrity, disintegration, and dissolution properties.
Manufacturing Process of Hydroxy Ethyl Cellulose (HEC)
Chemical synthesis
HEC is primarily synthesized through chemical modification of cellulose, involving etherification with ethylene oxide. This controlled process results in the formation of hydroxyethyl groups along the cellulose ethers chain, conferring unique properties to the final product.
Purification methods
The purification of HEC involves rigorous processes to remove impurities and ensure product quality and consistency. Techniques such as filtration and solvent extraction are employed to achieve the desired purity levels, meeting stringent industry standards.
How to Maintain HEC For Home Care
HEC should be stored in a cool, dry place away from direct sunlight and sources of heat. It should also be handled with care to avoid exposure to dust and other particulates, as well as potential hazards such as fire and explosion.
Precautions When Using Hydroxyethyl Cellulose
Dispersion
When using HEC, attention needs to be paid to its dispersion. HEC should be fully dissolved in water to avoid clumping and affecting the uniformity of the paint.
Adding amount
The amount of HEC added needs to be adjusted according to the specific needs of the coating formula. Too much addition may cause the coating viscosity to be too high, affecting the workability, while too little addition may not achieve the expected thickening effect.
Compatibility
The compatibility of HEC with other components needs to be considered, especially in complex formulations, to ensure that it can disperse evenly and perform its thickening effect.
How Is Hydroxyethyl Cellulose Made?
Hydroxyethyl Cellulose (HEC) is a colourless, odourless, tasteless and non-ionic white to pale yellow granular powder which gets readily dissolved in hot and cold water but it is highly insoluble in most organic solvents. Hydroxyethyl Cellulose is made by mixing purified cellulose with sodium hydroxide to produce swollen alkali cellulose. The alkali cellulose thus formed, is more reactive than cellulose. This alkali cellulose is then reacted with ethylene oxide and a series of Hydroxyethyl Cellulose esters is produced. The purified HEC or Hydroxyethyl Cellulose which is known for its thickening and stabilizing properties is used extensively in the manufacture of cosmetics and personal care products.
Application Technology of Hydroxyethyl Methylcellulose in Coatings
Mechanisms of action in coatings HEMC acts primarily as a thickener, stabilizer, and water-retaining agent in coating formulations.
The mechanisms through which HEMC functions include:
Thickening and rheology modification
By increasing the viscosity of the coating mixture, HEMC improves its application properties, such as brushability and rollability. The polymer chains of HEMC entangle and form a network structure that increases the overall viscosity of the formulation.
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Stabilization
HEMC helps stabilize the dispersion of pigments and other solid particles in the coating, preventing sedimentation and ensuring uniform color and texture.
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Water retention
During the drying process, HEMC retains water within the coating film, preventing premature drying and ensuring proper film formation. This is particularly important in water-based coatings, where moisture management is critical.
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Film formation
Upon drying, HEMC forms a continuous and flexible film that enhances the mechanical properties and durability of the coating.
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What Is the Difference Between Hydroxyethyl Cellulose and Hydroxypropyl Cellulose?
1.Chemical structure
Hydroxyethylcellulose (HEC):
HEC is derived from cellulose, a natural polysaccharide found in plant cell walls.
In the synthesis of HEC, ethylene oxide reacts with cellulose under alkaline conditions.
This reaction results in the replacement of the hydroxyl (-OH) groups of the cellulose backbone with hydroxyethyl (-CH2CH2OH) groups.
The degree of substitution (DS) refers to the average number of hydroxyethyl groups per anhydroglucose unit in the cellulose chain and can vary depending on the reaction conditions.
Hydroxypropylcellulose (HPC):
Similarly, HPC is also chemically modified from cellulose.
In the synthesis of HPC, propylene oxide reacts with cellulose under alkaline conditions.
This reaction results in the replacement of the hydroxyl groups of cellulose with hydroxypropyl (-CH2CHOHCH3) groups.
Similar to HEC, the degree of substitution (DS) in HPC varies depending on the reaction conditions.
2.Characteristics
Hydroxyethylcellulose (HEC):
HEC is usually a white to yellowish powder or granules.
It dissolves in water and forms clear or slightly turbid solutions.
HEC solutions have high viscosity and pseudoplastic behavior, which means that their viscosity decreases under shear stress.
The viscosity of HEC solutions depends on factors such as concentration, degree of substitution, and temperature.
HEC has good thickening, stabilizing and film-forming properties, making it suitable for use in cosmetics, pharmaceuticals, paints and adhesives.
Hydroxypropylcellulose (HPC):
HPC is also a white to off-white powder or granules.
Like HEC, HPC is soluble in water, forming a clear solution.
The viscosity of HPC solutions depends on factors such as concentration, degree of substitution, and temperature.
However, HPC solutions generally have lower viscosities compared to equivalently concentrated HEC solutions.
HPC has good film-forming, adhesive and thickening properties.
It is commonly used in pharmaceuticals, personal care products and food applications.
3.Use and application
Hydroxyethylcellulose (HEC):
HEC is used in a wide range of industries, including:
Cosmetics and Personal Care Products: HEC is used as a thickener, stabilizer and film-forming agent in shampoo, lotion, cream and gel formulations.
Drugs: It is used as a thickening agent in oral suspensions and topical preparations such as gels and ointments.
Paints and Coatings: HEC is used as a rheology modifier to control viscosity and improve application performance.
Construction: It is used in cementitious compositions to improve workability and reduce water migration.
Hydroxypropylcellulose (HPC):
HPC also has a variety of applications, including:
Pharmaceutical: HPC is commonly used as a binder in tablet formulations as well as in controlled release dosage forms.
Personal Care Products: Used in hair care product formulations such as shampoos and styling gels for its thickening and film-forming properties.
Food: HPC is used as a thickener and stabilizer in food products such as sauces, dressings and dairy products.
Industrial Applications: HPC is used in adhesives, coatings, and detergents for its thickening and film-forming abilities.
4.Chemical structure
The main difference between HEC and HPC is the chemical groups attached to the cellulose backbone. HEC has a hydroxyethyl group (-CH2CH2OH), while HPC has a hydroxypropyl group (-CH2CHOHCH3).
This structural difference affects their performance and applications.
Viscosity:
HEC solutions generally exhibit higher viscosities than HPC solutions of equivalent concentration.
This difference in viscosity is attributed to factors such as the size and nature of the substituents and their interaction with water molecules.
Degree of substitution (DS):
The degree of substitution (DS) of HEC and HPC may vary depending on the reaction conditions.
In general, HEC tends to have a higher DS compared to HPC, which affects properties such as solubility, viscosity, and film-forming ability.
5.Application
While both HEC and HPC find applications in similar industries such as pharmaceuticals, personal care products and coatings, they may be preferred for different formulations based on their specific properties.
For example, HEC's higher viscosity and pseudoplastic behavior make it suitable for thickening and stabilizing formulations that require high viscosity, such as creams and lotions.
On the other hand, the lower viscosity and film-forming properties of HPC may be advantageous in applications where thinner consistency or improved film-forming properties are required, such as tablet coatings or hair styling products.
Hydroxyethyl cellulose (HEC) and hydroxypropyl cellulose (HPC) are cellulose derivatives with different chemical structures, properties and applications. While both compounds are soluble in water and used as thickeners, stabilizers, and film formers in various industries, they differ in viscosity, degree of substitution, and specific application requirements. Understanding these differences is critical to selecting the appropriate cellulose derivative for a specific formulation or application, ensuring optimal performance and desired product characteristics.
Our Factory
Kaimaoxing Factory has focused on the production of cellulose for 15 years. During the 15 years, it has expanded its production line and floor space twice, serving more than 2,000 domestic customers. Provide reasonable solutions for joint agent applications and other fields.
FAQ
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