Introduction to Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Hidroksipropil metilceluloza (HPMC), katerega kitajsko ime je hidroksipropil metilceluloza, je polsintetika, neionski celulozni eter, pridobljen s kemijsko modifikacijo naravne celuloze. Ta beli prašek lahko po raztapljanju v vodi tvori prozorno viskozno raztopino. Ima odlično zgoščevanje, zadrževanje vode, stabilnost in lastnosti tvorjenja filma. Je nepogrešljiv večnamenski dodatek na številnih področjih, kot je gradbeništvo.

Characteristics and advantages of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Odlična topnost v vodi: Lahko se hitro raztopi v hladni vodi, da nastane bistra in stabilna raztopina.

Učinkovito zgoščevanje in sposobnost zadrževanja vode: Povečajte viskoznost materiala, učinkovito zmanjša izhlapevanje vode, in izboljšati delovno učinkovitost.

Dobra stabilnost: Ima dobro stabilnost na kisline, alkalije, in soli, in je primeren za širok razpon pH vrednosti.

Filmotvorni in zaščitni učinki: Po sušenju, tvori močan in prozoren film za zaščito podlage ter preprečuje prodiranje vode in izhlapevanje.

Netoksično in ne draži: Ima dobro biokompatibilnost in je primeren za področje medicine in prehrane.

Prilagodljivost: S spreminjanjem stopnje substitucije in molekulske mase, njegovo delovanje je mogoče prilagoditi različnim zahtevam uporabe.

Specifications of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Hidroksipropil metil celuloza (HPMC)– Specifikacije izdelka

Osnovne podrobnosti

Kemijsko ime: Hidroksipropil metil celuloza
Other Names: Hipromeloza, Methocel ™.
Številka CAS: 9004-65-3.
Molekularna formula: C₈H₁₅O₅— [C₆H₇O₂( IN₃)_x( IN₂CHOHCH₃)_l( OH)_{3 − x − y}] n

Fizične lastnosti

HPMC je videti kot bela ali bež barva, prosto tekoč prah. It has no odor and is safe. The product liquifies easily in cold water to create a clear, gosto zdravilo. It does not dissolve in hot water, etanol, eter, ali kloroform. Pri mešanju z vodo, it swells first and afterwards totally liquifies as the mixture cools.

Ključni kazalniki učinkovitosti

Debelina (2% možnost pri 20 ° C): Razlikuje se od 5 mPa · s do 100,000 mPa · s, odvisno od kvalitete.
Vsebnost metoksi: 19%– 30%.
Hydroxypropyl Spletna vsebina: 4%– 32%.
pH (2% možnost): 4.0– 8.0.
Vsebnost vlage: ≤ 5%.
Material za pepel: ≤ 1.5%.
Temperatura gela: 50 ° C– 90 ° C (varies by substitution ratio).

Skladnost & Varnost

This item satisfies the demands of significant pharmacopeias, vključno z USP-NF, EP, in JP. It is also compliant with FDA regulations for use in food, farmacevtski izdelki, in kozmetiko. 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.

Običajne aplikacije

HPMC is widely used as a thickener, vezivo, prejšnji film, in sredstvo za zadrževanje vode. V stavbi, it enhances workability and attachment in floor tile adhesives and provides. V farmaciji, it serves as a controlled-release matrix in tablets. V 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

Uporaba hidroksipropil metil celuloze (HPMC)

Stavba in gradnja

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

Droge

In the medicine industry, HPMC acts as a safe and trusted excipient. It is made use of in tablet computers as a binder, assisting components stick. Prav tako deluje kot predstavnik za nadzorovano sproščanje, 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.

Živilska industrija

HPMC is authorized as an artificial additive under the name E464. Deluje kot zgoščevalec, stabilizator, in emulgator. You can discover it in sauces, sladoled, in pekovski izdelki brez 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.

Osebna nega in 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 uporabe

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. V porcelanih, it adds environment-friendly strength to unfired clay bodies, reducing damage throughout handling.

Profil podjetja

Smo vodilni svetovni proizvajalec lahkih betonov in naprednih rešitev iz inženirske pene. Po vsem svetu znan po svoji predanosti raziskavam, inovativnost, in uporabno strokovno znanje, že od začetka leta 2012 nudimo rešitve iz konstruirane pene.

Po vsem svetu lahko dobavimo visokokakovostne dodatke za beton in sorodne izdelke za penobeton.

Podjetje ima strokovni tehnični oddelek in oddelek za nadzor kakovosti, dobro opremljen laboratorij, in opremljen z napredno opremo za testiranje in poprodajnim centrom za pomoč strankam.

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5 FAQs of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Pogosta vprašanja o HPMC (Hidroksipropil metil celuloza)

Za kaj se uporablja HPMC?

HPMC je običajen dodatek v številnih izdelkih. Deluje kot zgoščevalec, vezivo, in filmski oblikovalec. Našli ga boste v gradbenih materialih, kot so lepila za ploščice in ometi. Uporablja se tudi v farmaciji, hrano, in kozmetiko za izboljšanje teksture in stabilnosti.

Je HPMC varen?

ja, HPMC velja za varnega. Regulativne agencije, kot sta FDA in EFSA, so ga odobrile za uporabo v hrani in zdravilih. It is non-toxic and does not cause irritation in most people. Always follow usage guidelines for your specific application.

Kako HPMC deluje v gradbenih izdelkih?

V gradbenih materialih, 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. Brez HPMC, some mortars and renders would dry too fast or crack easily.

Ali se HPMC lahko raztopi v hladni vodi?

ja, 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.