Introduction to Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Hydroxypropyl Methylcellulose (HPMC), y mae ei enw Tsieineaidd yn hydroxypropyl methylcellulose, yn lled-synthetig, ether cellwlos nad yw'n ïonig a geir trwy addasu cellwlos naturiol yn gemegol. Gall y powdr gwyn hwn ffurfio hydoddiant gludiog tryloyw ar ôl hydoddi mewn dŵr. Mae ganddo dewychu rhagorol, cadw dŵr, sefydlogrwydd ac eiddo ffurfio ffilm. Mae'n ychwanegyn amlswyddogaethol anhepgor mewn llawer o feysydd megis adeiladu.

Characteristics and advantages of Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Hydoddedd dŵr ardderchog: Gellir ei doddi'n gyflym mewn dŵr oer i ffurfio datrysiad clir a sefydlog.

Tewychu effeithlon a gallu cadw dŵr: Cynyddu gludedd y deunydd, lleihau anweddiad dŵr yn effeithiol, a gwella effeithlonrwydd gwaith.

Sefydlogrwydd da: Mae ganddo sefydlogrwydd da i asidau, alcalis, a halwynau, ac mae'n addas ar gyfer ystod eang o werthoedd pH.

Ffurfio ffilm ac effeithiau amddiffynnol: Ar ôl sychu, mae'n ffurfio ffilm galed a thryloyw i amddiffyn y swbstrad ac atal treiddiad ac anweddiad dŵr.

Heb fod yn wenwynig ac nad yw'n cythruddo: Mae ganddo fiocompatibility da ac mae'n addas ar gyfer meysydd meddygaeth a bwyd.

Addasrwydd: Trwy newid graddau'r amnewid a phwysau moleciwlaidd, gellir addasu ei berfformiad i fodloni gofynion cais gwahanol.

Specifications of Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Cellwlos Methyl Hydroxypropyl (HPMC)– Manylebau Cynnyrch

Gwybodaeth Safonol

Rhif CAS: 9004-65-3
Enw Cemegol: Cellwlos Methyl Hydroxypropyl
Fformiwla Moleciwlaidd: C8H16O6 (stands for the duplicating system; actual polymer varies by grade).
Ymddangosiad: Gwyn i all-gwyn, powdr sy'n llifo'n rhydd.

Preswylfeydd Ffisegol a Chemegol Trick

HPMC is a non-ionic cellulose ether made from natural cellulose. It liquifies easily in chilly water yet does not dissolve in hot water over its gelation temperature level. The product creates clear, anemic services with excellent film-forming ability.

Typical viscosity varieties from 5 mPa·s i 100,000 mPa·s (benderfynol yn 2% canolbwyntio, 20 °C), dibynnu ar y radd. Wetness content stays below 5% (yn ôl pwysau). Mae pH a 2% remedy normally falls in between 4.0 a 8.0.

Pureness and Top Quality Standards

This HPMC fulfills pharmacopeial criteria such as USP-NF, EP, and JP when made use of in pharmaceutical applications. For industrial or building uses, it complies with appropriate technological requirements. Hefty metals are kept under 10 ppm. Residue on ignition stays below 1.5%. Microbial limits comply with basic guidelines: overall cardio count ≤ 100 CFU/g, yeast and mold and mildew ≤ 10 CFU/g, and absence of E. coli a Salmonela.

Storio a Thrin

Siop HPMC mewn grêt, lle sych i ffwrdd o heulwen uniongyrchol. Keep containers firmly near protect against wetness absorption. Use basic commercial health techniques when handling. Prevent creating dirt.

Cymwysiadau Cyffredin

HPMC is commonly made use of in pharmaceuticals as a binder, tewychwr, or controlled-release agent in tablets. Mewn adeiladu, it boosts workability and water retention in cement-based items like tile adhesives and provides. It also serves as a stabilizer in food, colur, a phaent.

Applications of Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Cymwysiadau Hydroxypropyl Methyl Cellulose (HPMC) CAS 9004-65-3

Adeiladu a Deunyddiau Adeiladu

HPMC is commonly used in dry-mix mortars, gludyddion teils ceramig, a chyfansoddion hunan-lefelu. It boosts water retention so cement can completely hydrate. This leads to more powerful bonds and much better workability. Builders also depend on HPMC to reduce drooping and prolong open time throughout application.

Cyffuriau

Mewn tabledi a thabledi, HPMC gweithredu fel rhwymwr, asiant cotio ffilm, neu fatrics rhyddhau dan reolaeth. It liquifies gradually in the digestive tract, aiding active ingredients launch at the appropriate rate. Because it is non-toxic and steady, regulative companies approve it for dental use worldwide.

Marchnad Fwyd

HPMC yn gweithredu fel tewychydd, emylsydd, and stabilizer in numerous refined foods. You can locate it in sauces, hufen iâ, a chynhyrchion pobi heb glwten. It helps keep appearance and avoids separation without changing taste.

Personal Treatment and Cosmetics

Siampws, golchdrwythau, and tooth pastes frequently consist of HPMC. It gives products a smooth feel and keeps ingredients equally combined. Its film-forming capacity additionally aids skincare products remain on the skin much longer.

Paent a Haenau

Suppliers add HPMC to water-based paints to control thickness and stop splattering. It increases pigment suspension and makes brushing easier. The outcome is an uniform do with less brush marks.

Amaethyddiaeth

In chemical and fertilizer formulations, HPMC works as a carrier and adhesive. It aids active components adhere to plant surfaces and slows down drainage after rain. This increases efficiency and reduces waste.

Proffil Cwmni

Ni yw'r arweinydd byd-eang mewn atebion ewyn concrit ysgafn ac uwch wedi'u peiriannu. Yn adnabyddus yn fyd-eang am ei ymrwymiad i ymchwil, arloesi, ac arbenigedd cymhwysol, rydym wedi bod yn darparu datrysiadau ewyn peirianyddol ers y 2012 cynnar.

Gallwn gyflenwi cymysgedd concrit o ansawdd uchel a chynhyrchion ewyn cysylltiedig â choncrit ledled y byd.

Mae gan y cwmni adran dechnegol broffesiynol ac adran goruchwylio ansawdd, labordy â chyfarpar da, ac yn meddu ar offer profi uwch a chanolfan gwasanaeth cwsmeriaid ôl-werthu.

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Cludo

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5 FAQs of Hydroxypropyl Methyl Cellulose HPMC CAS 9004 65 3

Cwestiynau Cyffredin Am Hydroxypropyl Methyl Cellulose (HPMC)

Beth yw HPMC?

Mae HPMC yn sefyll am Hydroxypropyl Methyl Cellulose. It is a white to off-white powder made from plant cellulose. Mae pobl yn ei ddefnyddio mewn llawer o gynhyrchion fel meddyginiaethau, bwyd, a deunyddiau adeiladu. It dissolves in cold water but not in hot water. This makes it useful for controlling texture and thickness.

A yw HPMC yn ddiogel i'w ddefnyddio?

Oes, Mae HPMC yn ddiogel. Regulatory groups like the FDA and EFSA have approved it for use in food and drugs. Mae'n mynd trwy'r corff heb gael ei amsugno. That means it does not cause harm when used as directed. Dilynwch y cyfarwyddiadau diogelwch ar label y cynnyrch bob amser.

Beth yw defnyddiau cyffredin o HPMC?

Mae HPMC yn gweithio fel tewychydd, rhwymwr, a ffurfiwr ffilm. Mewn adeiladu, it helps tile adhesives and plasters stay smooth and work well. Mewn fferyllol, it coats pills so they dissolve at the right time. Mewn bwyd, it adds texture without changing taste. You can also find it in eye drops and cosmetics.

Sut y dylid storio HPMC?

Storio HPMC mewn oer, lle sych. Cadwch ef i ffwrdd o leithder a golau haul uniongyrchol. Use a tightly closed container to stop clumping. Os bydd y powdr yn gwlychu, it may lose its quality. Check the expiration date before use.

A all HPMC ddisodli tewychwyr eraill?

HPMC can often replace other cellulose-based thickeners like methyl cellulose or carboxymethyl cellulose. But results may vary based on the application. Test small batches first to make sure performance meets your needs. Its unique mix of solubility and stability makes it a strong choice in many cases.