Introduction to Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Hüdroksüpropüülmetüültselluloos (HPMC), mille hiina nimi on hüdroksüpropüülmetüültselluloos, on poolsünteetiline, mitteioonne tsellulooseeter, mis saadakse loodusliku tselluloosi keemilisel modifitseerimisel. See valge pulber võib pärast vees lahustamist moodustada läbipaistva viskoosse lahuse. Sellel on suurepärane paksenemine, veepeetus, stabiilsus ja kilet moodustavad omadused. See on asendamatu multifunktsionaalne lisand paljudes valdkondades nagu ehitus.

Characteristics and advantages of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Suurepärane vees lahustuvus: Seda saab kiiresti lahustada külmas vees, et moodustada selge ja stabiilne lahus.

Tõhus paksenemis- ja veepidamisvõime: Suurendage materjali viskoossust, vähendab tõhusalt vee aurustumist, ja parandada töö efektiivsust.

Hea stabiilsus: Sellel on hea stabiilsus hapete suhtes, leelised, ja soolad, ja sobib paljude pH väärtuste jaoks.

Kilet moodustav ja kaitsev toime: Pärast kuivatamist, see moodustab sitke ja läbipaistva kile, mis kaitseb aluspinda ning takistab vee läbitungimist ja aurustumist.

Mittetoksiline ja mitteärritav: Sellel on hea biosobivus ja see sobib kasutamiseks meditsiinis ja toidus.

Reguleeritavus: Asendusastme ja molekulmassi muutmisega, selle jõudlust saab kohandada erinevate rakendusnõuete täitmiseks.

Specifications of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Hüdroksüpropüülmetüültselluloos (HPMC)– Toote spetsifikatsioonid

Basic Details

Keemiline nimetus: Hüdroksüpropüülmetüültselluloos
Other Names: Hypromellose, Methocel ™.
CAS-i number: 9004-65-3.
Molekulaarvalem: C₈H₁₅O₅— [C₆H₇O₂( OCH₃)_x( OCH₂CHOHCH₃)_y( Oh)_{3 − x − y}] n

Füüsikalised omadused

HPMC appears as a white or beige, vabalt voolav pulber. It has no odor and is safe. The product liquifies easily in cold water to create a clear, paks ravim. See ei lahustu kuumas vees, ethanol, ether, või kloroformi. Kui segada veega, it swells first and afterwards totally liquifies as the mixture cools.

Key Efficiency Indicators

Paksus (2% valik aadressil 20 °C): Erineb alates 5 mPa · s kuni 100,000 mPa · s, depending upon quality.
Metoksüsisaldus: 19%– 30%.
Hüdroksüpropüülveebi sisu: 4%– 32%.
pH (2% valik): 4.0– 8.0.
Niiskuse sisu: ≤ 5%.
Tuha materjal: ≤ 1.5%.
Geeli temperatuur: 50 °C– 90 °C (varies by substitution ratio).

Vastavus & Turvalisus

This item satisfies the demands of significant pharmacopeias, sealhulgas USP-NF, EP, ja JP. It is also compliant with FDA regulations for use in food, farmaatsiatooted, ja kosmeetika. 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.

Tavalised rakendused

HPMC is widely used as a thickener, sideaine, eelmine film, ja vettpidavat ainet. Ehituses, it enhances workability and attachment in floor tile adhesives and provides. Farmaatsiatoodetes, it serves as a controlled-release matrix in tablets. Toidus, it acts as an emulsifier and stabilizer. Personal treatment items use it for texture and suspension.

Applications of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

Hüdroksüpropüülmetüültselluloosi rakendused (HPMC)

Ehitus ja ehitamine

Hüdroksüpropüülmetüültselluloos (HPMC) plays a vital role in modern building products. It is included in cement-based items like floor tile adhesives, plaastrid, ja isetasanduvad segud. HPMC enhances workability by making the mix much easier to spread out. It additionally aids maintain water, mis säilitab õige tsemendi hüdratatsiooni. This causes stronger bonds and fewer splits gradually.

Narkootikumid

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. See toimib ka kontrollitud vabastamisega esindajana, 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.

Toiduainetööstus

HPMC is authorized as an artificial additive under the name E464. See toimib paksendajana, stabilisaator, ja emulgaator. You can discover it in sauces, ice cream, ja gluteenivabad küpsetised. 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.

Isikuhooldus ja kosmeetika

Lots of creams, šampoonid, 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.

Other Utilizes

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

Ettevõtte profiil

Oleme kergbetooni ja täiustatud vahtplastlahenduste alal ülemaailmne liider. Ülemaailmselt tuntud oma pühendumuse poolest teadusuuringutele, uuenduslikkust, ja rakendatud ekspertiis, oleme pakkunud vahtplastlahendusi alates 2012. aasta algusest.

Saame tarnida kvaliteetseid betoonisegu ja vahtbetooniga seotud tooteid üle kogu maailma.

Ettevõttel on professionaalne tehniline osakond ja kvaliteedijärelevalve osakond, hästi varustatud labor, ning varustatud täiustatud testimisseadmete ja müügijärgse klienditeeninduskeskusega.

Kui olete huvitatud, palun võtke meiega ühendust.

Makse

T/T, Western Union, Paypal, Krediitkaart jne.

Saadetis

Õhuga, meritsi, ekspressi teel, vastavalt klientide soovile.

5 FAQs of Hydroxypropyl Methyl Cellulose HPMC Hypromellose Methocel

HPMC kohta korduma kippuvad küsimused (Hüdroksüpropüülmetüültselluloos)

Milleks HPMC-d kasutatakse?

HPMC on paljudes toodetes levinud lisand. See toimib paksendajana, sideaine, ja filmilooja. Leiate seda ehitusmaterjalides, nagu plaadiliimid ja krohvid. It is also used in pharmaceuticals, toit, and cosmetics to improve texture and stability.

Is HPMC safe?

Jah, HPMC-d peetakse ohutuks. 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. Always follow usage guidelines for your specific application.

How does HPMC work in construction products?

Ehitusmaterjalides, 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. Ilma HPMCta, some mortars and renders would dry too fast or crack easily.

Kas HPMC lahustub külmas vees?

Jah, 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, Hypromellose, and Methocel?

These names all refer to the same chemical: hüdroksüpropüülmetüültselluloos. “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.