Introduktion til Hydroxypropyl Methyl Cellulose HPMC

Hydroxypropylmethylcellulose (HPMC), hvis kinesiske navn er hydroxypropylmethylcellulose, er en semisyntetisk, ikke-ionisk celluloseether opnået ved kemisk modificering af naturlig cellulose. Dette hvide pulver kan danne en gennemsigtig viskøs opløsning efter opløsning i vand. Den har fremragende fortykkelse, vandophobning, stabilitet og filmdannende egenskaber. Det er et uundværligt multifunktionelt additiv inden for mange områder, såsom byggeri.

Karakteristika og fordele ved Hydroxypropyl Methyl Cellulose HPMC

Fremragende vandopløselighed: Det kan hurtigt opløses i koldt vand for at danne en klar og stabil opløsning.

Effektiv fortykkelse og vandretentionsevne: Forøg materialets viskositet, reducerer effektivt vandfordampningen, og forbedre arbejdseffektiviteten.

God stabilitet: Det har god stabilitet over for syrer, alkalier, og salte, og er velegnet til en lang række pH-værdier.

Filmdannende og beskyttende effekter: Efter tørring, det danner en sej og gennemsigtig film for at beskytte underlaget og forhindre vandindtrængning og fordampning.

Ikke-giftig og ikke-irriterende: Det har god biokompatibilitet og er velegnet til medicin og fødevarer.

Justerbarhed: Ved at ændre graden af ​​substitution og molekylvægt, dens ydeevne kan justeres for at opfylde forskellige applikationskrav.

Specifikationer for Hydroxypropyl Methyl Cellulose HPMC

Hydroxypropylmethylcellulose (HPMC)– Varespecifikationer

Udseende og fysisk type

HPMC looks like a white or beige, fritflydende pulver. It has no recognizable smell and feels great to the touch. The material liquifies easily in cool water but does not dissolve in hot water, alkohol, eller en masse organiske opløsningsmidler.

Kemisk make-up

This item is a semi-synthetic polymer made from cellulose. It includes hydroxypropyl and methoxyl practical groups. These teams offer HPMC its one-of-a-kind water-retention and thickening buildings. The specific ratio of these teams can vary based upon the grade, allowing modification for various applications.

Tykkelse Variation

HPMC is readily available in several viscosity grades. Common alternatives consist of 4,000 mPa · s, 15,000 mPa · s, 40,000 mPa · s, and approximately 100,000 mPa · s, gauged at a 2% remedy in water at 20 °C. Users can pick the best quality based upon their specific requirements, such as film development, binding stamina, or suspension security.

Methoxyl and Hydroxypropyl Web Content

The regular methoxyl web content varies from 19% til 30%. The hydroxypropyl content normally falls in between 4% og 32%. These worths directly influence solubility, geltemperaturniveau, and performance in end-use formulas.

pH and Purity

EN 2% liquid solution of HPMC has a pH in between 4.0 og 8.0. The item meets stringent purity standards. Hefty steels are kept below 10 ppm. Recurring wetness remains under 5%, and ash web content stays listed below 1.5%.

Produktpakning og opbevaring

HPMC comes in multi-layer paper bags with an internal polyethylene lining. Hver taske holder 20 kg eller 25 kg. Opbevar det køligt, dry area far from direct sunshine and wetness. Keep the container sealed when not being used to avoid clumping or loss of flowability.

Anvendelser af Hydroxypropyl Methyl Cellulose HPMC

Anvendelser af hydroxypropylmethylcellulose (HPMC)

Structure and Construction

HPMC plays an essential role in modern-day building and construction materials. It is added to cement-based products like ceramic tile adhesives, selvnivellerende stoffer, og giver. The compound boosts workability and helps preserve water throughout curing. This brings about stronger bonds and less fractures. Specialists count on HPMC for consistent efficiency in dry-mix mortars.

Lægemidler

I medicin, HPMC works as a secure and effective excipient. It is generally made use of in tablets as a binder or controlled-release agent. The material creates a gel when it calls dampness, which reduces medicine release in the body. Eye declines also utilize HPMC to resemble natural splits and offer long lasting lubrication. Regulatory firms accept its use as a result of its safe nature.

Madmarked

HPMC virker som fortykningsmiddel, stabilisator, and emulsifier in several foodstuff. You can locate it in sauces, mejerialternativer, og glutenfri bagværk. It helps preserve structure and stops separation during storage. Considering that it is plant-based and absorbable, it meets clean-label demands from consumers.

Personlig behandling og kosmetik

Producers add HPMC to shampoos, cremer, og tandpastaer. It provides these items a smooth feel and assists suspend bits equally. The ingredient additionally enhances viscosity without impacting clarity. Its mildness makes it appropriate for delicate skin formulas.

Maling og belægninger

I vandbaserede malinger, HPMC controls flow and protects against drooping on vertical surfaces. It likewise stops pigments from clearing up at the bottom of the canister. This makes sure uniform color and simple application with every brushstroke. Paint makers value HPMC for its security throughout various temperatures.

Virksomhedsprofil

Vi er verdens førende inden for letvægtsbeton og avancerede konstruerede skumløsninger. Kendt globalt for sit engagement i forskning, innovation, og anvendt ekspertise, vi har leveret konstruerede skumløsninger siden begyndelsen af ​​2012'erne.

Vi kan levere højkvalitets betontilsætnings- og skumbetonrelaterede produkter over hele verden.

Virksomheden har en professionel teknisk afdeling og kvalitetstilsynsafdeling, et veludstyret laboratorium, og udstyret med avanceret testudstyr og eftersalgs kundeservicecenter.

Hvis du er interesseret, er du velkommen til at kontakte os.

Betaling

T/T, Western Union, Paypal, Kreditkort osv.

Forsendelse

Med fly, til søs, ved ekspres, som kunder efterspørger.

5 Ofte stillede spørgsmål om Hydroxypropyl Methyl Cellulose HPMC

Ofte stillede spørgsmål om hydroxypropylmethylcellulose (HPMC)

Hvad er HPMC?

HPMC er et hvidt pulver fremstillet af naturlig cellulose. Det opløses i koldt vand og danner en klar, tyk opløsning. Folk bruger det som fortykningsmiddel, bindemiddel, or film-former in many products like medicines, fødevarer, and building materials.

Er HPMC sikker at bruge?

Ja. HPMC is non-toxic and approved by health agencies worldwide. Det passerer gennem kroppen uden at blive absorberet, so it’s safe in food and medicine. In construction or cosmetics, it also shows low risk when used as directed.

How does HPMC work in construction products?

I fliseklæber, plastre, og gengiver, HPMC helps hold water in the mix. Dette giver arbejderne mere tid til at påføre materialet jævnt. It also improves workability and stops the mixture from sagging on vertical surfaces.

Why is HPMC used in pharmaceuticals?

Drug makers add HPMC to tablets as a binder or coating. It controls how fast the medicine releases in the body. Some capsules use HPMC instead of gelatin to suit vegetarian or vegan needs. It stays stable and works well under different conditions.

Kan HPMC blandes med andre ingredienser?

Ja. HPMC mixes well with most common additives. Imidlertid, high salt levels or extreme pH can reduce its thickening power. Always test small batches first if you’re adding new chemicals. Store HPMC in a dry, cool place to keep it effective.