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

Hidroksipropil Metilselulosa (HPMC), yang nama Cinanya adalah hidroksipropil metilselulosa, adalah semi-sintetis, selulosa eter non-ionik diperoleh dengan memodifikasi selulosa alami secara kimia. Bubuk berwarna putih ini dapat membentuk larutan kental transparan setelah dilarutkan dalam air. Ini memiliki penebalan yang sangat baik, retensi air, stabilitas dan sifat pembentuk film. Ini adalah aditif multifungsi yang sangat diperlukan di banyak bidang seperti konstruksi, obat, dan makanan.

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

Kelarutan air yang sangat baik: Dapat dengan cepat dilarutkan dalam air dingin untuk membentuk larutan jernih dan stabil.

Kemampuan pengentalan dan retensi air yang efisien: Meningkatkan viskositas bahan, efektif mengurangi penguapan air, dan meningkatkan efisiensi kerja.

Stabilitas yang baik: Ini memiliki stabilitas yang baik terhadap asam, alkali, dan garam, dan cocok untuk rentang nilai pH yang luas.

Efek pembentuk film dan perlindungan: Setelah kering, itu membentuk film yang kuat dan transparan untuk melindungi substrat dan mencegah penetrasi dan penguapan air.

Tidak beracun dan tidak menyebabkan iritasi: Ia memiliki biokompatibilitas yang baik dan cocok untuk bidang kedokteran dan makanan.

Penyesuaian: Dengan mengubah derajat substitusi dan berat molekul, kinerjanya dapat disesuaikan untuk memenuhi kebutuhan aplikasi yang berbeda.

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

Hidroksietil Selulosa (HEC)– Persyaratan Produk

Fundamental Information

Panggilan Kimia: Hidroksietil Selulosa
Nomor CAS: 9004-62-0
Rumus Molekuler: C₂H₆HAI₂· C₆H₇( OH)₃HAI₂ (repeating unit).
Ordinary Molecular Weight: Varies by grade (usually 90,000– 1,300,000 g/mol).

Kualitas Fisik

HEC appears as a white to off-white, bubuk yang mengalir bebas. It is odorless and non-ionic. The material dissolves quickly in cool water to create clear, viscous options. It does not dissolve in a lot of organic solvents like ethanol, acetone, or chloroform. HEC options remain stable across a large pH variety (biasanya 3– 11). The viscosity of the solution relies on focus, berat molekul, dan tingkat suhu.

Termasuk Trik

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, surfactants, 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.

Aplikasi Umum

This quality of HEC is widely made use of in building materials such as floor tile adhesives, concrete renders, dan senyawa self-leveling. It is likewise common in paints and layers to control flow and stop pigment settling. Personal care products like shampoos, losion, 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.

Ruang penyimpanan dan Penanganannya

Store HEC in a trendy, lokasi yang benar-benar kering, jauh dari kelembapan. Keep containers firmly shut when not being used. 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)– KAS 9004-62-0

Bangunan Dan Konstruksi dan Bahan Bangunan

HEC, HPMC, dan HEMC are commonly used in building and construction products. They boost water retention in cement-based products like floor tile adhesives, membuat, dan zat yang dapat meratakan dirinya sendiri. 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, regular appearance.

Cat dan Pelapis

Dalam cat berbahan dasar air, hidroksietil selulosa (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.

Perawatan Pribadi dan Kosmetik

These cellulose derivatives prevail in shampoos, krim, dan krim. They offer items an abundant, luscious feeling without being oily. HEC dan 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.

Narkoba

Dalam kedokteran, HPMC dan HEC function as binders, film formers, and controlled-release agents. They are utilized in tablet computers, obat tetes mata, dan lotion. 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.

Kegunaan Industri Lainnya

Beyond these fields, selulosa eter discover functions in cleaning agents, bahan kimia pertanian, and ceramics. In cleaning products, they aid suspend dirt and improve cling to upright surface areas. In chemicals, they guarantee also spreading and sticking to plant leaves. Dalam kilau keramik, they help in application and decrease splitting throughout drying out.

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

Frequently Asked Questions About HEMC/HPMC (Hidroksietil Metil Selulosa)

What is HEMC/HPMC?

HEMC or HPMC stands for Hydroxyethyl Methyl Cellulose. Ini adalah polimer yang larut dalam air yang terbuat dari selulosa alami. Orang menggunakannya di banyak industri seperti konstruksi, obat-obatan, dan makanan. Its chemical ID is CAS 9004-62-0.

Why is HPMC used in construction materials?

HPMC helps control water retention in cement-based products. This means tiles, plester, and mortars stay workable longer. It also improves adhesion and reduces cracking. Builders rely on it to get smooth, strong results.

Is HPMC safe for use in food or medicine?

Ya. When made to meet food-grade or pharma-grade standards, HPMC aman. Ini bertindak sebagai pengental, stabilisator, 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. Campur perlahan agar tidak menggumpal. Stirring helps it form a clear, larutan kental. 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.