Introduction to Hemc Hpmc Hydroxyethyl Cellulose Hec 9004-62-0

Hidroxipropil metilcelulosa (HPMC), cuxo nome chinés é hidroxipropilmetilcelulosa, é un semisintético, éter de celulosa non iónico obtido modificando químicamente a celulosa natural. Este po branco pode formar unha solución viscosa transparente despois de disolverse en auga. Ten un excelente espesamento, retención de auga, estabilidade e propiedades de formación de película. É un aditivo multifuncional indispensable en moitos campos como a construción, medicina, e comida.

Characteristics and advantages of Hemc Hpmc Hydroxyethyl Cellulose Hec 9004-62-0

Excelente solubilidade en auga: Pódese disolver rapidamente en auga fría para formar unha solución clara e estable.

Capacidade de espesamento e retención de auga eficiente: Aumentar a viscosidade do material, reducir eficazmente a evaporación da auga, e mellorar a eficiencia laboral.

Boa estabilidade: Ten boa estabilidade aos ácidos, álcalis, e sales, e é adecuado para unha ampla gama de valores de pH.

Efectos formadores de película e protectores: Despois do secado, forma unha película resistente e transparente para protexer o substrato e evitar a penetración e evaporación da auga.

Non tóxico e non irritante: Ten unha boa biocompatibilidade e é axeitado para os campos da medicina e dos alimentos.

Axustabilidade: Ao cambiar o grao de substitución e o peso molecular, o seu rendemento pódese axustar para satisfacer diferentes requisitos de aplicación.

Specification of Hemc Hpmc Hydroxyethyl Cellulose Hec 9004-62-0

Hidroxietil celulosa (HEC)– Requisitos do produto

Fundamental Information

Convocatoria Química: Hidroxietil celulosa
Número CAS: 9004-62-0
Fórmula Molecular: C₂H₆O₂· C₆H₇( OH)₃O₂ (unidade repetitiva).
Ordinary Molecular Weight: Varies by grade (usually 90,000– 1,300,000 g/mol).

Cualidades Físicas

HEC appears as a white to off-white, po fluído libremente. It is odorless and non-ionic. The material dissolves quickly in cool water to create clear, opcións viscosas. It does not dissolve in a lot of organic solvents like ethanol, acetona, ou cloroformo. HEC options remain stable across a large pH variety (typically 3– 11). The viscosity of the solution relies on focus, molecular weight, and temperature level.

Truco inclúe

HEC supplies outstanding thickening, suspending, and water-retention residential properties. It functions well in both acidic and alkaline systems. The product reveals excellent compatibility with salts, surfactantes, and various other water-soluble polymers. It additionally supplies film-forming ability and boosts attachment in several formulas. HEC is non-toxic and biodegradable under ideal conditions.

Aplicacións comúns

This quality of HEC is widely made use of in building materials such as floor tile adhesives, concrete renders, e compostos autonivelantes. It is likewise common in paints and layers to control flow and stop pigment settling. Personal care products like shampoos, loções, and tooth pastes use HEC for texture and security. Various other uses include drugs (as a binder or controlled-release agent), agricultural chemicals, and oilfield exploration liquids.

Espazo de almacenamento e manipulación

Store HEC in a trendy, lugar completamente seco lonxe da humidade. Manter os recipientes firmemente pechados cando non se utilicen. Prevent direct exposure to high humidity, which might trigger clumping. Use conventional industrial health methods throughout handling. Wear gloves and eye defense if long term contact is anticipated.

Applications of Hemc Hpmc Hydroxyethyl Cellulose Hec 9004-62-0

Applications of HEMC, HPMC, and Hydroxyethyl Cellulose (HEC)– CAS 9004-62-0

Construción E Construción e Materiais de Construción

HEC, HPMC, e HEMC are commonly used in building and construction products. They boost water retention in cement-based products like floor tile adhesives, fai, e substancias autonivelantes. This aids the cement moisturize effectively, which results in more powerful bonds and less cracks. These cellulose ethers also make mixes simpler to work with by giving them a smooth, aspecto regular.

Pinturas e Revestimentos

En pinturas a base de auga, hidroxietil celulosa (HEC) serves as a thickener. It manages exactly how the paint flows and spreads on surface areas. This protects against sagging on wall surfaces and makes certain also insurance coverage. HEC likewise maintains pigments and other solids equally combined, so the paint remains secure with time and does not different in the can.

Tratamento Persoal e Cosmética

These cellulose derivatives prevail in shampoos, cremas, e cremas. They offer items an abundant, luscious feeling without being oily. HEC and HPMC aid put on hold fragments, support solutions, and control thickness. They are gentle on skin and compatible with numerous other components utilized in personal treatment solutions.

Drogas

En medicina, HPMC and HEC function as binders, film formers, and controlled-release agents. They are utilized in tablet computers, gotas para os ollos, e loções. Their capacity to swell or liquify at details prices makes them suitable for timed medication distribution. These products are safe and approved for use in numerous regulated health and wellness products.

Outros Usos Industriais

Beyond these fields, éteres de celulosa discover functions in cleaning agents, agroquímicos, e cerámica. In cleaning products, they aid suspend dirt and improve cling to upright surface areas. En produtos químicos, they guarantee also spreading and sticking to plant leaves. En brillos cerámicos, they help in application and decrease splitting throughout drying out.

Presentación da empresa

Benvido a Concrete and More, un provedor líder de aditivos de formigón de alto rendemento, incluíndo os nosos redutores de auga de formigón premium. Con anos de experiencia no mercado global, ofrecemos solucións avanzadas deseñadas para mellorar a calidade e a eficiencia dos proxectos de construción en todo o mundo. As nosas instalacións de fabricación de última xeración garanten produtos de alta calidade que cumpren os estándares internacionais. Estamos orgullosos dun servizo ao cliente excepcional, soporte técnico, e solucións a medida para satisfacer as necesidades específicas do proxecto. Asóciase connosco para ser fiable, innovador, e aditivos de formigón rendibles que impulsan os teus proxectos. Consulta máis información en www.concreteandmore.de/. Construímos o futuro xuntos!

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5 FAQs of Hemc Hpmc Hydroxyethyl Cellulose Hec 9004-62-0

Frequently Asked Questions About HEMC/HPMC (Hidroxietil metil celulosa)

What is HEMC/HPMC?

HEMC or HPMC stands for Hydroxyethyl Methyl Cellulose. É un polímero soluble en auga feito de celulosa natural. People use it in many industries like construction, produtos farmacéuticos, e comida. Its chemical ID is CAS 9004-62-0.

Por que se usa HPMC nos materiais de construción?

HPMC axuda a controlar a retención de auga nos produtos a base de cemento. This means tiles, emplastos, and mortars stay workable longer. It also improves adhesion and reduces cracking. Builders rely on it to get smooth, resultados fortes.

Is HPMC safe for use in food or medicine?

Si. When made to meet food-grade or pharma-grade standards, HPMC é seguro. Actúa como espesante, estabilizador, or binder. Regulatory bodies like the FDA approve it for these uses. Always check the product specification to confirm its grade.

How does HPMC dissolve in water?

HPMC dissolves easily in cold water but not in hot water above a certain temperature. Mix it slowly to avoid lumps. Stirring helps it form a clear, solución viscosa. The final viscosity depends on the grade and concentration used.

What makes HEMC different from regular HEC or HPMC?

HEMC is a hybrid that includes both hydroxyethyl and methyl groups. This gives it better stability over a wide pH range and improved performance in high-salt environments. Compared to pure HEC or HPMC, HEMC often offers more balanced properties for demanding applications.