Introduction to Hydroxypropyl Methyl Cellulose HPMC Powder CAS 9004 65 3

Hydroxypropyl Methylcellulose (HPMC), na ang Chinese na pangalan ay hydroxypropyl methylcellulose, ay isang semi-synthetic, non-ionic cellulose eter na nakuha sa pamamagitan ng chemically modifying natural cellulose. Ang puting pulbos na ito ay maaaring bumuo ng isang transparent na malapot na solusyon pagkatapos matunaw sa tubig. Ito ay may mahusay na pampalapot, pagpapanatili ng tubig, katatagan at mga katangian ng pagbuo ng pelikula. Ito ay isang kailangang-kailangan na multifunctional additive sa maraming larangan tulad ng konstruksiyon.

Characteristics and advantages of Hydroxypropyl Methyl Cellulose HPMC Powder CAS 9004 65 3

Napakahusay na solubility sa tubig: Maaari itong mabilis na matunaw sa malamig na tubig upang bumuo ng isang malinaw at matatag na solusyon.

Mahusay na pampalapot at kakayahan sa pagpapanatili ng tubig: Dagdagan ang lagkit ng materyal, epektibong bawasan ang pagsingaw ng tubig, at pagbutihin ang kahusayan sa trabaho.

Magandang katatagan: Ito ay may mahusay na katatagan sa mga acid, alkalis, at mga asin, at angkop para sa malawak na hanay ng mga halaga ng pH.

Mga epekto sa pagbuo ng pelikula at proteksyon: Pagkatapos matuyo, ito ay bumubuo ng isang matigas at transparent na pelikula upang protektahan ang substrate at maiwasan ang pagtagos ng tubig at pagsingaw.

Non-toxic at hindi nakakairita: Ito ay may mahusay na biocompatibility at angkop para sa mga larangan ng medisina at pagkain.

Pagsasaayos: Sa pamamagitan ng pagbabago ng antas ng pagpapalit at molekular na timbang, ang pagganap nito ay maaaring iakma upang matugunan ang iba't ibang mga kinakailangan sa aplikasyon.

Specifications of Hydroxypropyl Methyl Cellulose HPMC Powder CAS 9004 65 3

Hydroxypropyl Methyl Cellulose (HPMC) Pulbos– Product Specs

Fundamental Details

Numero ng CAS: 9004-65-3
Chemical Call: Hydroxypropyl Methyl Cellulose
Tingnan mo: Puti hanggang beige na free-flowing powder
Amoy: Odorless

Mga Tampok ng Trick

HPMC is a semi-synthetic, water-soluble polymer made from cellulose. It dissolves easily in cold water but not in hot water. The powder forms clear, viscous solutions that are steady with time. It shows great film-forming capability and acts as a reliable thickener, panali, and water-retention representative.

Teknikal na Pagtutukoy

kapal (2% option at 20 ° C): 100– 100,000 mPa · s (nag-iiba ayon sa kalidad).
Methoxyl Web content: 19– 30%.
Hydroxypropoxyl Web content: 4– 32%.
pH (2% lunas): 4.0– 8.0.
Dampness Web content: ≤ 5.0%.
Nilalaman ng Abo: ≤ 1.5%.
Particle Size: Travels through 80-mesh screen.

Mga aplikasyon

This HPMC powder is widely used in construction materials like floor tile adhesives and cement-based renders due to the fact that it helps keep water and enhances workability. In the pharmaceutical sector, it functions as a binder in tablets and a base for controlled-release solutions. It is additionally common in foodstuff as a stabilizer or thickener, and in personal treatment items such as hair shampoos and lotions for texture control.

Imbakan na espasyo & Paghawak

Mamili sa isang kamangha-manghang, tuyong lokasyon na malayo sa kahalumigmigan. Keep containers snugly closed when not in use. Avoid exposure to direct sunshine. Use basic industrial hygiene methods when dealing with. The product has a regular life span of 24 months when kept properly.

Applications of Hydroxypropyl Methyl Cellulose HPMC Powder CAS 9004 65 3

Applications of Hydroxypropyl Methyl Cellulose (HPMC) Pulbos– CAS 9004-65-3

Building and Building and construction

HPMC powder plays a key function in building materials. It is contributed to cement-based items like ceramic tile adhesives, mga plaster, at self-leveling substance. The powder improves workability, pagpapanatili ng tubig, at bukas na oras. This aids employees use the material equally and offers it even more time to set effectively. HPMC also lowers sagging on upright surface areas and protects against fractures throughout drying.

Pharmaceuticals

In the medication industry, HPMC is utilized as a binder, covering representative, and controlled-release matrix. It is risk-free for human usage and liquifies gradually in the gastrointestinal system. Tablets coated with HPMC launch their energetic ingredients at a steady rate. This ensures far better medication performance and patient conformity. The powder additionally works as an eye lubricant in artificial tears as a result of its film-forming capability.

Industriya ng Pagkain

HPMC functions as a thickener, emulsifier, and stabilizer in several food products. It assists keep structure and uniformity in items like sauces, gelato, and gluten-free baked items. The compound is heat-stable and functions well under various processing conditions. It also includes volume and gentleness to low-fat or sugar-free foods without modifying taste.

Mga Pintura at Patong

Repaint producers make use of HPMC powder to regulate viscosity and protect against pigment settling. It gives paint a smooth flow throughout application and reduces splattering. After drying out, the film stays consistent and free from brush marks. HPMC additionally increases water retention, which is essential for correct film formation on porous surfaces.

Various other Makes use of

Beyond these fields, HPMC appears in cosmetics, keramika, and farming items. In lotions and lotions, it offers a smooth feeling and stabilizes solutions. In ceramic lusters, it enhances attachment before firing. Farmers usage HPMC-based seed finishes to improve germination and secure young plants.

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5 FAQs of Hydroxypropyl Methyl Cellulose HPMC Powder CAS 9004 65 3

Frequently Asked Questions About Hydroxypropyl Methyl Cellulose (HPMC) Pulbos

What is HPMC powder used for?

HPMC powder is a common additive in construction, mga pharmaceutical, at pagkain. In building materials, it helps retain water and improves workability. In medicines, it acts as a thickener or binder in tablets. Sa pagkain, it works as a stabilizer or emulsifier.

Ligtas bang gamitin ang HPMC?

Oo. HPMC is non-toxic and approved for use in many countries. Regulatory bodies like the FDA and EFSA allow it in food and drugs. It passes through the body without being absorbed, so it does not cause harm when used correctly.

How do I store HPMC powder?

Keep HPMC powder in a cool, tuyong lugar. Make sure the container is sealed tightly. Moisture can cause clumping and reduce its effectiveness. Iwasan ang direktang sikat ng araw at mataas na kahalumigmigan.

What makes HPMC different from other cellulose ethers?

HPMC has both methyl and hydroxypropyl groups. This gives it better water retention and stability over a wide temperature range. It also dissolves easily in cold water but not in hot water, which is useful in many applications. Other types, like MC or HEC, may not offer the same balance of properties.

How do I mix HPMC powder into a solution?

Add HPMC slowly to cold water while stirring. Do not add all at once—it can form lumps. Use a high-shear mixer if possible. Let the mixture sit for a few hours to fully hydrate. Stir again before use to ensure even consistency. Never use hot water during initial mixing.