Inleiding tot Hydroxypropyl Metiel Sellulose HPMC

Hidroksipropylmetielsellulose (HPMC), wie se Chinese naam hidroksipropylmetielsellulose is, is 'n semi-sintetiese, nie-ioniese sellulose-eter verkry deur natuurlike sellulose chemies te modifiseer. Hierdie wit poeier kan 'n deursigtige viskose oplossing vorm nadat dit in water opgelos is. Dit het uitstekende verdikking, waterretensie, stabiliteit en filmvormende eienskappe. Dit is 'n onontbeerlike multifunksionele toevoeging in baie velde soos konstruksie.

Eienskappe en voordele van Hydroxypropyl Metiel Sellulose HPMC

Uitstekende wateroplosbaarheid: Dit kan vinnig in koue water opgelos word om 'n helder en stabiele oplossing te vorm.

Doeltreffende verdikking en waterretensievermoë: Verhoog die viskositeit van die materiaal, verminder waterverdamping effektief, en werkdoeltreffendheid te verbeter.

Goeie stabiliteit: Dit het goeie stabiliteit teen sure, alkalies, en soute, en is geskik vir 'n wye reeks pH-waardes.

Filmvormende en beskermende effekte: Na droog, dit vorm 'n taai en deursigtige film om die substraat te beskerm en waterpenetrasie en verdamping te voorkom.

Nie-giftig en nie-irriterend: Dit het goeie bioversoenbaarheid en is geskik vir die velde van medisyne en voedsel.

Verstelbaarheid: Deur die graad van substitusie en molekulêre gewig te verander, sy werkverrigting kan aangepas word om aan verskillende toepassingsvereistes te voldoen.

Spesifikasies van Hydroxypropyl Metiel Sellulose HPMC

Hidroksipropylmetielsellulose (HPMC)– Produk Spesifikasies

Chemiese identiteit

Chemiese naam: Hidroksipropylmetielsellulose
CAS nommer: 9004-65-3
Molekulêre Formule: C₈H₁₅O₈— [C₆H₇O₂( EN₃)_x( EN₂CHOHCH₃)_y( O)_{3 − x − y}] n

Fisiese kenmerke

HPMC verskyn as 'n wit tot naaswit, vryvloeiende poeier. It has no recognizable odor. The material is non-ionic and develops clear, anemic services in cold water. Dit word nie vloeibaar in warm water nie, alkohol, eter, of baie organiese oplosmiddels. When mixed with cool water, it swells and progressively liquifies to produce a thick colloid.

Trick Efficiency Parameters

Dikte (2% diens by 20 °C): Wissel van 5 mPa · s aan 100,000 mPa · s, staatmaak op graad
Metoksie materiaal: 19%– 30%.
Hydroxypropyl Web inhoud: 4%– 32%.
pH werd (2% opsie): 4.0– 8.0.
Vog Webinhoud: ≤ 5.0%.
As materiaal: ≤ 1.5%.
Gel temperatuur: 50 °C– 90 °C( differs by replacement level).

Reinheid en veiligheid

HPMC meets the demands of significant pharmacopeias, insluitend USP-NF, EP, en JP. It is additionally compliant with FDA policies for food and pharmaceutical use. Heavy metals are restricted to ≤ 20 dpm. The item is free from genetically modified microorganisms (GMO-free) and consists of no animal-derived ingredients.

Stoorplek en Hantering

Berg HPMC op 'n wonderlike manier, completely dry place far from direct sunshine and moisture. Hou houers veilig toe wanneer dit nie gebruik word nie. Onder korrekte probleme, die raklewe is tipies 24 maande. Stay clear of inhalation of dust throughout handling. Use standard commercial health practices.

Toepassings van Hydroxypropyl Metiel Sellulose HPMC

Toepassings van Hydroxypropyl Metiel Sellulose (HPMC)

Bou produkte

HPMC plays an essential function in dry-mix mortar products like ceramic tile adhesives, selfnivellerende stowwe, en buite-isolasiestelsels. It assists maintain water so cement can completely hydrate. This enhances workability and avoids cracks. Home builders additionally rely upon HPMC for better attachment and longer open time during application.

Farmaseutiese middels

In medikasie, HPMC is commonly utilized as a binder, voltooi verteenwoordiger, en beheerde-vrystelling matriks in tablette. It dissolves gradually in the digestive system tract, which permits medicines to be launched in time. This makes sure stable drug degrees in the body. HPMC is veilig, nie-giftig, and approved by significant health authorities worldwide.

Kosmark

HPMC dien as 'n verdikkingsmiddel, stabiliseerder, and emulsifier in numerous food products. You’ll find it in sauces, melk opsies, en glutenvrye gebak. It offers foods a smooth structure and assists ingredients stay combined. Since it’s plant-based and heat-stable, it works well in both cold and hot processes.

Skoonheidsmiddels en persoonlike behandeling

Lots of lotions, sjampoe, en lotions bestaan ​​uit HPMC. It adds viscosity and creates a silky feeling without greasiness. HPMC also aids put on hold fragments equally, so products do not separate in the bottle. Its film-forming capability makes it useful in hair gels and makeup for lasting hold.

Verf en Coatings

In water-gebaseerde verf, HPMC enhances consistency and brushability. It quits pigments from clearing up and minimizes splatter throughout usage. Paint dries out uniformly with less touches thanks to HPMC’s water-retaining power. Professionals and do it yourself customers both benefit from its efficiency.

Maatskappy profiel

Ons is die wêreldleier in liggewigbeton en gevorderde gemanipuleerde skuimoplossings. Wêreldwyd bekend vir sy verbintenis tot navorsing, innovasie, en toegepaste kundigheid, ons verskaf reeds gemanipuleerde skuimoplossings sedert die vroeë 2012's.

Ons kan produkte van hoë gehalte betonmengsel en skuimbetonverwante produkte oor die hele wêreld verskaf.

Die maatskappy het 'n professionele tegniese afdeling en kwaliteit toesig afdeling, 'n goed toegeruste laboratorium, en toegerus met gevorderde toetstoerusting en na-verkope kliëntedienssentrum.

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Versending

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5 Gereelde vrae oor Hydroxypropyl Metiel Sellulose HPMC

Gereelde vrae oor hidroksipropylmetielsellulose (HPMC)

Waarvoor word HPMC gebruik?

HPMC is 'n algemene toevoeging in baie produkte. Dit werk as 'n verdikkingsmiddel, bindmiddel, en filmvormer. Jy sal dit in konstruksiemateriaal soos teëlkleefmiddels en pleisters vind. It is also used in pharmaceuticals to help control how pills release medicine. In kos, HPMC acts as a stabilizer or emulsifier.

Is HPMC veilig?

Ja, HPMC word as veilig beskou. Regulatory bodies like the FDA and EFSA have approved it for use in food and medicine. It does not get absorbed by the body. In plaas daarvan, it passes through the digestive system unchanged. This makes it non-toxic and suitable for most people.

Hoe werk HPMC in boumateriaal?

In construction products, HPMC improves workability and water retention. This helps cement-based mixes stay moist longer. As gevolg hiervan, the material sets more evenly and bonds better. It also reduces sagging when applied to vertical surfaces.

Kan HPMC in koue water oplos?

Ja, but it needs the right method. If you add HPMC directly to cold water, it may form lumps. The best way is to mix it with hot water first—around 70–90°C—then cool it down. During cooling, it dissolves fully and forms a clear, viskose oplossing.

Does HPMC affect product shelf life?

HPMC itself is stable and does not spoil. Egter, in water-based products, microbes can grow over time. To prevent this, manufacturers often add preservatives. When stored properly in dry, cool conditions, HPMC powder can last for years without losing performance.