Bubuka pikeun Hydroxypropyl Methyl Cellulose HPMC

Hidroksipropil métilselulosa (HPMC), nu ngaran Cina nyaéta hydroxypropyl methylcellulose, mangrupa semi-sintétik, éter selulosa non-ionik diala ku modifikasi kimiawi selulosa alam. Bubuk bodas ieu tiasa ngabentuk solusi kentel transparan saatos leyur dina cai. Cai mibanda thickening alus teuing, ingetan cai, stabilitas jeung sipat ngabentuk pilem. Ieu mangrupa aditif multifunctional indispensable dina loba widang kayaning konstruksi.

Karakteristik sareng kaunggulan Hydroxypropyl Methyl Cellulose HPMC

Kaleyuran cai anu saé: Éta tiasa gancang leyur dina cai tiis pikeun ngabentuk solusi anu jelas sareng stabil.

thickening efisien sarta pangabisa ingetan cai: Ningkatkeun viskositas bahan, éféktif ngurangan évaporasi cai, jeung ningkatkeun efisiensi gawé.

stabilitas alus: Éta gaduh stabilitas anu hadé pikeun asam, alkali, jeung uyah, sarta cocog pikeun rupa-rupa nilai pH.

Pilem-ngabentuk jeung épék pelindung: Sanggeus garing, éta ngabentuk pilem anu tangguh sareng transparan pikeun ngajagi substrat sareng nyegah penetrasi cai sareng évaporasi.

Non-toksik sarta non-irritating: Éta gaduh biokompatibilitas anu saé sareng cocog pikeun widang kadokteran sareng tuangeun.

Adjustability: Ku cara ngarobah darajat substitusi jeung beurat molekul, kinerja na bisa disaluyukeun pikeun minuhan sarat aplikasi béda.

Spésifikasi Hydroxypropyl Methyl Cellulose HPMC

Hidroksipropil Métil Selulosa (HPMC)– Spésifikasi produk

Idéntitas Kimia

Ngaran Kimia: Hidroksipropil Métil Selulosa
Nomer CAS: 9004-65-3
Formula Molekul: C₈H₁₅O₈— [C₆H₇O₂( AND₃)_x( AND₂CHOHCH₃)_y( OH)_{3 − x − y}] n

Fitur fisik

HPMC némbongan salaku bodas nepi ka pareum-bodas, bubuk bébas-ngalir. It has no recognizable odor. The material is non-ionic and develops clear, anemic services in cold water. Teu liquify dina cai panas, alkohol, éter, or many organic solvents. When mixed with cool water, it swells and progressively liquifies to produce a thick colloid.

Trick Efficiency Parameters

Kandelna (2% palayanan di 20 ° C): Beda ti 5 mPa · s pikeun 100,000 mPa · s, ngandelkeun peunteun
Bahan Methoxy: 19%– 30%.
eusi Wéb Hydroxypropyl: 4%– 32%.
Nilai pH (2% pilihan): 4.0– 8.0.
eusi Web Uap: ≤ 5.0%.
Bahan Awu: ≤ 1.5%.
Suhu gél: 50 ° C– 90 ° C( béda ku tingkat ngagantian).

Purity sarta Kasalametan

HPMC meets the demands of significant pharmacopeias, kaasup USP-NF, EP, jeung JP. It is additionally compliant with FDA policies for food and pharmaceutical use. Heavy metals are restricted to ≤ 20 ppm. The item is free from genetically modified microorganisms (GMO-free) and consists of no animal-derived ingredients.

spasi Panyimpenan sarta Penanganan

Nyimpen HPMC dina endah pisan, completely dry place far from direct sunshine and moisture. Maintain containers securely closed when not being used. Dina masalah bener, the shelf life is typically 24 bulan. Stay clear of inhalation of dust throughout handling. Use standard commercial health practices.

Aplikasi Hydroxypropyl Methyl Cellulose HPMC

Aplikasi Hydroxypropyl Methyl Cellulose (HPMC)

Produk wangunan

HPMC plays an essential function in dry-mix mortar products like ceramic tile adhesives, zat timer leveling, jeung sistem insulasi exterior. It assists maintain water so cement can completely hydrate. This enhances workability and avoids cracks. Home builders additionally rely upon HPMC for better attachment and longer open time during application.

Farmasi

Dina ubar, HPMC is commonly utilized as a binder, rengse wawakil, jeung kontrol-release matrix dina tablet. It dissolves gradually in the digestive system tract, which permits medicines to be launched in time. This makes sure stable drug degrees in the body. HPMC aman, non-toksik, and approved by significant health authorities worldwide.

Pasar dahareun

HPMC tindakan minangka thickener a, penstabil, and emulsifier in numerous food products. You’ll find it in sauces, pilihan susu, jeung barang dipanggang gluten bébas. It offers foods a smooth structure and assists ingredients stay combined. Since it’s plant-based and heat-stable, it works well in both cold and hot processes.

Kosmétik sareng Perawatan Pribadi

Lots of lotions, sampo, sarta lotions diwangun ku HPMC. It adds viscosity and creates a silky feeling without greasiness. HPMC also aids put on hold fragments equally, so products do not separate in the bottle. Its film-forming capability makes it useful in hair gels and makeup for lasting hold.

Cat jeung Coatings

Dina cét dumasar cai, HPMC enhances consistency and brushability. It quits pigments from clearing up and minimizes splatter throughout usage. Paint dries out uniformly with less touches thanks to HPMC’s water-retaining power. Professionals and do it yourself customers both benefit from its efficiency.

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5 FAQs ngeunaan Hydroxypropyl Methyl Cellulose HPMC

Patarosan Remen Ditanya Ngeunaan Hydroxypropyl Methyl Cellulose (HPMC)

Naon HPMC dipaké pikeun?

HPMC mangrupakeun aditif umum dina loba produk. Gawéna salaku thickener a, binder, jeung pilem-urut. Anjeun bakal mendakanana dina bahan konstruksi sapertos napel ubin sareng plester. It is also used in pharmaceuticals to help control how pills release medicine. Dina dahareun, HPMC acts as a stabilizer or emulsifier.

Naha HPMC aman?

Sumuhun, HPMC is considered safe. Regulatory bodies like the FDA and EFSA have approved it for use in food and medicine. Teu meunang diserep ku awak. Gantina, eta ngaliwatan sistem pencernaan unchanged. This makes it non-toxic and suitable for most people.

How does HPMC work in building materials?

Dina produk konstruksi, HPMC improves workability and water retention. This helps cement-based mixes stay moist longer. Salaku hasilna, the material sets more evenly and bonds better. It also reduces sagging when applied to vertical surfaces.

Tiasa HPMC leyur dina cai tiis?

Sumuhun, tapi peryogi metode anu leres. If you add HPMC directly to cold water, eta bisa ngabentuk lumps. The best way is to mix it with hot water first—around 70–90°C—then cool it down. During cooling, it dissolves fully and forms a clear, solusi kentel.

Does HPMC affect product shelf life?

HPMC itself is stable and does not spoil. Sanajan kitu, in water-based products, microbes can grow over time. To prevent this, manufacturers often add preservatives. When stored properly in dry, cool conditions, HPMC powder can last for years without losing performance.