Introduction to Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Hidroksipropil metilceluloza (HPMC), čije je kinesko ime hidroksipropil metilceluloza, je polusintetika, neionski celulozni eter dobiven kemijskom modifikacijom prirodne celuloze. Ovaj bijeli prah može stvoriti prozirnu viskoznu otopinu nakon otapanja u vodi. Ima izvrsno zgušnjavanje, zadržavanje vode, stabilnost i svojstva stvaranja filma. Neizostavan je višenamjenski dodatak u mnogim područjima poput građevinarstva.

Characteristics and advantages of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Izvrsna topljivost u vodi: Može se brzo otopiti u hladnoj vodi kako bi se dobila bistra i stabilna otopina.

Učinkovito zgušnjavanje i sposobnost zadržavanja vode: Povećajte viskoznost materijala, učinkovito smanjiti isparavanje vode, i poboljšati učinkovitost rada.

Dobra stabilnost: Ima dobru stabilnost na kiseline, lužine, i soli, i pogodan je za širok raspon pH vrijednosti.

Filmotvorni i zaštitni učinci: Nakon sušenja, stvara čvrst i proziran film koji štiti podlogu i sprječava prodor vode i isparavanje.

Netoksičan i ne iritira: Ima dobru biokompatibilnost i pogodan je za područja medicine i prehrane.

Prilagodljivost: Promjenom stupnja supstitucije i molekulske težine, njegova se izvedba može prilagoditi različitim zahtjevima primjene.

Specifications of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Hidroksipropil metil celuloza (HPMC)– Specifikacije proizvoda

Osnovni detalji

Kemijski naziv: Hidroksipropil metil celuloza
Other Names: Hipromeloza, Methocel™.
CAS broj: 9004-65-3.
Molekularna formula: C₈H₁₅O₅— [C₆H₇O₂( I₃)_x( I₂CHOHCH₃)_g( OH)_{3 − x − y}] n

Fizička svojstva

HPMC se pojavljuje kao bijela ili bež boja, slobodno protočni prah. It has no odor and is safe. The product liquifies easily in cold water to create a clear, gusti lijek. Ne otapa se u vrućoj vodi, etanol, eter, or chloroform. Kada se pomiješa s vodom, it swells first and afterwards totally liquifies as the mixture cools.

Ključni pokazatelji učinkovitosti

Debljina (2% opcija na 20 °C): Varira od 5 mPa · s do 100,000 mPa · s, ovisno o kvaliteti.
Sadržaj metoksi: 19%– 30%.
Hydroxypropyl Web sadržaj: 4%– 32%.
pH (2% opcija): 4.0– 8.0.
Sadržaj vlage: ≤ 5%.
Materijal pepela: ≤ 1.5%.
Temperatura gela: 50 °C– 90 °C (varies by substitution ratio).

Sukladnost & Sigurnost

This item satisfies the demands of significant pharmacopeias, including USP-NF, EP, i JP. It is also compliant with FDA regulations for use in food, farmaceutski proizvodi, i kozmetike. HPMC is steady under typical storage conditions. Maintain it in a completely dry, awesome place away from wetness. Usage typical commercial health practices when taking care of the powder to avoid breathing or eye call.

Uobičajene primjene

HPMC is widely used as a thickener, vezivo, prethodni film, i sredstvo za zadržavanje vode. U zgradi, it enhances workability and attachment in floor tile adhesives and provides. U farmaceutici, it serves as a controlled-release matrix in tablets. U hrani, it acts as an emulsifier and stabilizer. Personal treatment items use it for texture and suspension.

Applications of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Primjena hidroksipropil metil celuloze (HPMC)

Gradnja i Gradnja

Hidroksipropil metil celuloza (HPMC) plays a vital role in modern building products. It is included in cement-based items like floor tile adhesives, flasteri, i samorazlivne mase. HPMC enhances workability by making the mix much easier to spread out. It additionally aids maintain water, which sustains proper cement hydration. This causes stronger bonds and fewer splits gradually.

Droge

U medicinskoj industriji, HPMC acts as a safe and trusted excipient. It is made use of in tablet computers as a binder, assisting components stick. It likewise functions as a controlled-release representative, decreasing how quick a medicine liquifies in the body. Many capsule coverings are made from HPMC since it is plant-based and ideal for vegetarians. Eye goes down commonly consist of HPMC also– it imitates natural tears and maintains eyes moist.

Prehrambena industrija

HPMC is authorized as an artificial additive under the name E464. Djeluje kao zgušnjivač, stabilizator, i emulgator. You can discover it in sauces, ice cream, i peciva bez glutena. In pastry shop things, it changes gluten by improving texture and wetness retention. It likewise avoids ice crystals from developing in desserts, giving a smoother mouthfeel.

Osobna njega i kozmetika

Lots of creams, šamponi, and lotions use HPMC to create a smooth, also uniformity. It assists put on hold particles so they do not clear up near the bottom. HPMC additionally gives products an enjoyable feeling on the skin without leaving a greasy deposit. Its film-forming ability makes it valuable in hairdo gels and peel-off masks.

Druge namjene

HPMC shows up in agricultural chemicals to aid active components stay with grow fallen leaves. It is likewise utilized in paints to manage viscosity and prevent splattering. U porculanima, it adds environment-friendly strength to unfired clay bodies, reducing damage throughout handling.

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5 FAQs of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Često postavljana pitanja o HPMC-u (Hidroksipropil metil celuloza)

Za što se koristi HPMC?

HPMC je uobičajeni aditiv u mnogim proizvodima. Djeluje kao zgušnjivač, vezivo, i filmotvorac. Pronaći ćete ga u građevinskim materijalima poput ljepila za pločice i žbuke. Također se koristi u farmaceutici, hrana, i kozmetika za poboljšanje teksture i stabilnosti.

Je li HPMC siguran?

Da, HPMC se smatra sigurnim. Regulatory agencies such as the FDA and EFSA have approved it for use in food and medicines. It is non-toxic and does not cause irritation in most people. Uvijek slijedite upute za korištenje za svoju specifičnu primjenu.

How does HPMC work in construction products?

U građevinskim materijalima, HPMC helps retain water. This gives workers more time to work with the mix before it dries. It also improves adhesion and makes the final product smoother and stronger. Bez HPMC, some mortars and renders would dry too fast or crack easily.

Može li se HPMC otopiti u hladnoj vodi?

Da, but it depends on the grade. Some types are designed to dissolve quickly in cold water. Others may need warm water or special mixing methods to avoid clumping. Always check the product data sheet for the correct preparation steps.

What is the difference between HPMC, Hipromeloza, and Methocel?

These names all refer to the same chemical: hidroksipropil metil celuloza. “Hypromellose” is the official name used in pharmacopeias. “Methocel” is a brand name made by Dow Chemical. HPMC is the general term used across industries. They behave the same way when used correctly.