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) Requirements

Appearance and Physical Form

HPMC appears as a white or beige, bubuk bébas-ngalir. It has no obvious odor and really feels great to the touch. The powder liquifies conveniently in cold water yet does not liquify in warm water, alkohol, or many organic solvents.

Sipat Kimia

Ngaran Kimia: Hidroksipropil Métil Selulosa
Nomer CAS: 9004-65-3
Formula Molekul: C₈H₁₅O₇R (differs by substitution).
HPMC is a semi-synthetic polymer made from cellulose. It contains both methoxy and hydroxypropyl teams. These groups provide HPMC its special water solubility and thermal gelation habits.

Key Efficiency Indicators

Viskositas: Beda ti 5 mPa · s pikeun 100,000 mPa · s (ditangtukeun dina 2% palayanan, 20 ° C). Thickness depends on the quality selected.
Kandungan Methoxy: Biasana di antara 19% jeung 30%.
Bahan Hidroksipropil: Normally from 4% ka 32%.
Nilai pH: A 2% aqueous solution reveals a pH of 4.0 ka 8.0.
Bahan Dampness: Teu leuwih ti 5% ku beurat.
Bahan Awu: Dibéréndélkeun di handap 5%, showing high purity.

bungkusan produk na spasi Panyimpenan

HPMC is packed in multi-layer paper bags with an inner polyethylene liner. Unggal kantong nahan 20 kg atawa 25 kg. Balanja barang dina endah pisan, lokasi garing. Keep it away from dampness and straight sunshine. Appropriately secured containers help preserve security and performance with time.

Safety and Handling

HPMC is safe and generally identified as secure for usage in food, farmasi, and building and construction products. Wear common safety gear like gloves and safety glasses throughout handling. Stay clear of creating dust. If breathed in or contacted with eyes, rinse completely with water. Always adhere to neighborhood safety regulations.

Aplikasi Hydroxypropyl Methyl Cellulose HPMC

Aplikasi Hydroxypropyl Methyl Cellulose (HPMC)

Produk wangunan

HPMC plays an essential role in structure items like tile adhesives, sanyawa timer leveling, sarta basis semén nyadiakeun. It helps control water retention so the cement can treat correctly. Ieu brings ngeunaan beungkeut kuat sarta kirang fractures. Employees also find blends simpler to spread out since HPMC boosts workability and keeps the material smooth.

Farmasi

Dina ubar, HPMC is utilized as a binder, agén palapis, atawa dikawasa-release bahan aktif dina komputer tablet. Ieu leyur laun dina awak, which helps provide medicines at a steady price. The material is risk-free, non-toksik, and extensively accepted by wellness regulatory authorities. Several common tablets count on HPMC to work as planned.

Pasar dahareun

HPMC dianggo salaku thickener a, penstabil, or emulsifier in various foods. Anjeun tiasa mendakanana dina saos, barang dipanggang, and low-fat items. It provides structure without changing taste. Since it’s plant-based and approved for intake, food manufacturers use it to boost uniformity and shelf life.

Produk Perawatan Pribadi

Tooth paste, sampo, lotions, and makeup commonly include HPMC. It assists keep active ingredients mixed and provides a smooth feeling throughout usage. The substance likewise adds viscosity so items stay steady in television or bottle. Customers see far better performance and convenience many thanks to this simple additive.

Agriculture and Other Utilizes

Farmers usage HPMC in seed finishes and pesticide solutions. It assists energetic components stick to plants and release slowly. Kaliwat éta, HPMC shows up in paints, porselen, and even welding rods. Its capacity to handle wetness, bind bits, and form movies makes it helpful throughout lots of areas.

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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. Éta ogé dianggo dina dahareun, farmasi, sareng kosmétik pikeun ningkatkeun tékstur sareng stabilitas.

Naha HPMC aman?

Sumuhun, HPMC is considered safe. Regulatory agencies around the world have approved its use. Dina dahareun, it carries the E number E464. Dina ubar, it often appears in tablet coatings or eye drops. It does not get absorbed by the body and passes through without causing harm.

How does HPMC work in building materials?

Dina pangwangunan, HPMC helps retain water in cement-based mixes. Ieu masihan pagawé langkung waktos pikeun damel sareng bahan sateuacan dipasang. It also improves adhesion and reduces sagging on vertical surfaces. The result is a smoother application and stronger final product.

Tiasa HPMC leyur dina cai tiis?

Sumuhun, most grades of HPMC dissolve easily in cold water. They do not need heat to mix in. Once added to water, they swell and form a clear, solusi kentel. This makes them convenient for use in room-temperature processes.

Does HPMC affect the drying time of products?

HPMC can slow down drying slightly because it holds onto water. This is useful in applications like wall putty or mortar, where you need extra working time. Sanajan kitu, the effect is controlled and does not stop the product from drying fully over time.