Introduktion til HPMC / Hydroxypropylmethylcellulose CAS 9004-65-3

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, medicin, og mad.

Karakteristika og fordele ved HPMC / Hydroxypropylmethylcellulose CAS 9004-65-3

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.

Specifikation af HPMC / Hydroxypropylmethylcellulose CAS 9004-65-3

Hydroxypropylmethylcellulose (HPMC)– CAS 9004-65-3

Vare introduktion

Hydroxypropylmethylcellulose (HPMC) er en semisyntetisk, vandopløselig polymer fremstillet af cellulose. It appears as a white to off-white powder. HPMC dissolves conveniently in cool water however does not liquify in warm water or most organic solvents. This product is extensively made use of across numerous sectors due to its stability, non-toxicity, and outstanding thickening properties.

Secret Inkluderer

HPMC works well as a thickener, bindemiddel, filmformer, og vandtilbageholdelsesrepræsentant. It remains steady over a wide pH range (typisk 3– 11). The material does not sustain microbial development and stays clear in remedy. Its viscosity can be adjusted based upon molecular weight, which enables customization for different applications. HPMC also reveals great compatibility with lots of salts and other water-soluble polymers.

Almindelige applikationer

I bygning, HPMC improves workability and water retention in cement-based products like ceramic tile adhesives and renders. I lægemidler, it functions as a binder in tablets and as a controlled-release matrix. The food industry makes use of HPMC as an emulsifier, stabilisator, or thickener under the E number E464. It is likewise found in personal treatment items such as hair shampoos, cremer, and tooth pastes for texture and consistency. Repaint and finishing producers include HPMC to prevent sagging and improve application level of smoothness.

Tekniske oplysninger

– CAS nummer : 9004-65-3
– Se : Fritflydende hvidt til beige pudder
– Opløselighed : Opløselig i køligt vand; insoluble in warm water and organic solvents
– pH (2% løsning) : 5.0– 8.0.
– Viscosity Range : Available from 5 mPa · s to over 100,000 mPa · s (på 20 °C, 2% valgmulighed).
– Fugtindhold : Generally ≤ 5%.
– Ash webindhold : Usually ≤ 1.5%.

This item satisfies international high quality standards and is created under rigorous quality control systems to make certain regular efficiency batch after set.

Anvendelser af HPMC / Hydroxypropylmethylcellulose CAS 9004-65-3

Anvendelser af HPMC (Hydroxypropylmethylcellulose)– CAS 9004-65-3

Bygge- og konstruktions- og strukturprodukter

HPMC is commonly made use of in building and construction products like tile adhesives, selvnivellerende forbindelser, og gengiver. It helps control water retention so cement can moisten properly. This improves workability and avoids cracks. The material also enhances attachment and makes mixing less complicated on site.

Narkotika

In the drug sector, HPMC fungere som bindemiddel, efterbehandlingsrepræsentant, eller matrix med kontrolleret frigivelse. It is secure for human usage and liquifies slowly in the digestive system system. That allows medications to launch their energetic ingredients gradually. You will certainly find it in tablets, kapsler, og øjendråber.

Fødevareindustrien

HPMC tjener som fortykningsmiddel, emulgator, or stabilizer in numerous processed foods. It keeps ingredients blended uniformly and provides items a smooth appearance. Typical usages include sauces, mælkealternativer, og glutenfri bagværk. It brings the food-grade label and meets international security standards.

Maling og belægninger

Maling beslutningstagere tilføje HPMC to water-based paints to improve consistency and avoid drooping. It assists pigments stay suspended and makes application smoother. The outcome is better coverage and fewer brush marks. It likewise minimizes splatter throughout splashing.

Kosmetik og personlig pleje

I lotioner, shampoo, og cremer, HPMC jobs as a film-former and thickness modifier. It offers items an abundant feel without greasiness. It additionally helps energetic ingredients stick to skin or hair longer. The substance is gentle and compatible with a lot of aesthetic solutions.

Landbrug

Farmers usage HPMC in seed finishings and pesticide solutions. It secures seeds throughout growing and helps chemicals stay with plant surface areas. This boosts performance and minimizes waste. The product breaks down normally in dirt in time.

Virksomhedsintroduktion

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5 Ofte stillede spørgsmål om HPMC / Hydroxypropylmethylcellulose CAS 9004-65-3

Ofte stillede spørgsmål om HPMC (Hydroxypropylmethylcellulose)

Hvad er HPMC?

HPMC står for Hydroxypropyl Methyl Cellulose. Det er et hvidt eller råhvidt pulver lavet af naturlig cellulose. People use it in many industries because it dissolves in water and forms a clear, tyk opløsning. It is safe and widely accepted for use in food, medicin, og byggematerialer.

Er HPMC sikker at bruge?

Ja, HPMC er sikkert. Regulatory bodies like the FDA and EFSA have approved it for use in food and pharmaceuticals. It does not get absorbed by the body when taken orally. I stedet, it passes through the digestive system unchanged. I byggeriet, it poses no health risk when handled properly.

Hvad er de vigtigste anvendelser af HPMC?

HPMC fungerer som et fortykningsmiddel, bindemiddel, og vandtilbageholdende middel. I mad, it improves texture and stability. I medicin, it helps control how fast a drug dissolves. I byggeriet, it keeps cement and tile adhesives workable longer by holding water. It also appears in cosmetics and paints for similar reasons.

Hvordan skal HPMC opbevares?

Opbevar HPMC på køl, tørt sted. Hold det væk fra fugt og direkte sollys. Brug forseglede beholdere for at forhindre sammenklumpning. Hvis det opbevares korrekt, it stays stable for up to two years. Always check the label for specific storage instructions from the manufacturer.

Can HPMC be mixed with other chemicals?

HPMC mixes well with most common ingredients. Imidlertid, strong acids, baser, or high salt levels may reduce its performance. Always test small batches first when combining it with new substances. This helps avoid unexpected reactions or loss of viscosity.