Introduction to HPMC/Hydroxypropyl methyl cellulose hpmc e5 e15 chemical, 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.

Characteristics and advantages of HPMC/Hydroxypropyl methyl cellulose hpmc e5 e15 chemical, 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.

Specification of HPMC/Hydroxypropyl methyl cellulose hpmc e5 e15 chemical, cas 9004-65-3

Hydroxypropylmethylcellulose (HPMC)– Technical Grade E5 & E15

Vareoversigt

Hydroxypropylmethylcellulose (HPMC), CAS-nr. 9004-65-3, er en semisyntetisk, vandopløselig polymer fremstillet af cellulose. It is commonly used in construction, lægemidler, mad, og individuelle plejeprodukter. The E5 and E15 qualities are standard technical kinds understood for their reputable efficiency and constant high quality.

Hemmelige egenskaber

HPMC E5 and E15 look like white to beige powders. They liquify easily in chilly water yet not in hot water. As soon as mixed with cold water, they form clear, tykke løsninger. These qualities provide good film-forming capacity, vandophobning, og fortykningskraft. They continue to be steady across a broad pH range (generelt 3– 11) and do not support microbial development.

Typiske applikationer

In the building sector, HPMC E5 and E15 are included in cement-based items like floor tile adhesives, gengiver, og selvnivellerende forbindelser. They improve workability, extend open time, and lower water loss during healing. I stoffer, these qualities serve as binders, efterbehandlinger, eller kontrollerede frigivelsesmidler i tablet-computere. Food manufacturers utilize them as stabilizers or thickeners. They also appear in cosmetics for appearance enhancement and dampness control.

Håndtering og opbevaring

Shop HPMC i en trendy, dry location far from straight sunlight and wetness. Maintain containers snugly closed when not in use. Hold dig fri af indåndende støv under håndtering. Use typical safety equipment such as gloves and shatterproof glass. The shelf life is generally 24 måneder, hvis de spares effektivt.

Specifikationer (Agent Values)

– Udseende : Hvidt til råhvidt fritflydende pulver
– Methoxyl materiale : 19– 30%.
– Hydroxypropoxyl indhold : 4– 32%.
– Tykkelse (2% service, 20 °C) : E5 ≈ 5 mPa · s; E15 ≈ 15 mPa · s.
– pH (2% løsning) : 4.0– 8.0.
– Tab ved tørring : ≤ 5%.
– Aske webindhold : ≤ 1.5%.

Applications of HPMC/Hydroxypropyl methyl cellulose hpmc e5 e15 chemical, cas 9004-65-3

Anvendelser af HPMC (Hydroxypropylmethylcellulose)

Secret Utilizes Throughout Industries

HPMC, or hydroxypropyl methyl cellulose (CAS 9004-65-3), is a versatile, water-soluble polymer commonly made use of in many markets. Det tjener som fortykningsmiddel, bindemiddel, tidligere film, og stabilisator. Its qualities– som f.eks E5 og E15— are picked based on viscosity and efficiency needs.

In the building market, HPMC improves workability and water retention in cement-based products like floor tile adhesives, giver, og selvnivellerende stoffer. This helps guarantee solid bond and decreases splitting during drying.

I lægemidler, HPMC E5 and E15 act as essential excipients. They are utilized in tablet coatings to manage medication release. They also work as binders in granulation and as thickness enhancers in eye decreases. Their safety and compatibility with energetic components make them excellent for dental and topical solutions.

De food market usages food-grade HPMC as an emulsifier, fortykningsmiddel, eller skumstabilisator. It helps maintain structure and consistency in products like gelato, saucer, og glutenfri bagværk. HPMC is authorized by significant food safety authorities worldwide.

I individual care and cosmetics, HPMC supplies smooth appearance and security. It is located in hair shampoos, lotioner, og tandpastaer, where it aids suspend fragments and enhance spreadability.

HPMC additionally plays a role in landbrug. It is made use of in chemical solutions to enhance bond to plant surfaces and regulate the release of active components. This boosts effectiveness while decreasing waste.

Its capability to liquify in cool water, kind clear movies, and continue to be secure throughout a variety of pH levels makes HPMC a reputable choice for formulators. Whether in building products, medicin, mad, eller kosmetik, HPMC delivers consistent performance with very little influence on final product high quality.

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5 FAQs of HPMC/Hydroxypropyl methyl cellulose hpmc e5 e15 chemical, cas 9004-65-3

Ofte stillede spørgsmål om HPMC (Hydroxypropylmethylcellulose)

Hvad er HPMC?

HPMC står for Hydroxypropyl Methyl Cellulose. Det er et hvidt til råhvidt pulver lavet af naturlig cellulose. This chemical is widely used in construction, mad, og lægemidler. Dens CAS-nummer er 9004-65-3.

What are E5 and E15 grades?

E5 and E15 refer to different viscosity grades of HPMC. The number shows how thick the solution becomes when mixed with water. E5 has low viscosity and works well in applications needing quick mixing. E15 has medium viscosity and gives better water retention. Both are safe and meet industry standards.

Hvor bruges HPMC?

HPMC bruges i mange produkter. I byggeriet, it improves workability and water retention in tile adhesives and plasters. I mad, det virker som et fortykningsmiddel eller stabilisator (listed as E464). I medicin, it helps control drug release in tablets. It also appears in cosmetics and paints.

Er HPMC sikker?

Ja, HPMC is non-toxic and approved for use in food and drugs by major health authorities like the FDA and EFSA. It does not irritate skin or eyes under normal handling. Følg altid sikkerhedsinstruktionerne på produktetiketten.

Hvordan skal HPMC opbevares?

Opbevar HPMC på køl, tørt sted væk fra fugt. Hold beholderen tæt lukket. Hvis pulveret bliver vådt, det kan danne klumper og miste effektiviteten. Brug rent, dry tools when handling to avoid contamination. Proper storage keeps the product stable for up to two years.