Quoted nqe rau Tuam Tshoj Chaw tsim tshuaj paus Txheeb xyuas tus neeg muag khoom High Viscosity Thickening Agent Methyl Hydroxyethyl Cellulose Mhec
Peb txoj kev nrhiav thiab kev lag luam lub hom phiaj yuav yog "ib txwm ua tiav peb cov neeg yuav khoom xav tau".Peb txuas ntxiv kom tau txais thiab teeb tsa cov khoom zoo rau ob peb cov neeg siv khoom qub thiab tshiab thiab paub txog qhov kev cia siab yeej-yeej rau peb cov neeg yuav khoom ntxiv rau peb.
Product Description
CAS Nr .: 9004-65-3
Hydroxypropyl Methylcellulose (HPMC), tseem hu ua hypromellose, yog ib hom non-ionic cellulose ether.Nws yog semi-synthetic, inactive, viscoelastic polymer.Nws yog feem ntau siv nyob rau hauv ophthalmology raws li ib tug lubrication department, los yog raws li ib tug excipient los yog excipient nyob rau hauv lub qhov ncauj tshuaj.Nws yog feem ntau pom nyob rau hauv ntau hom khoom.Raws li cov khoom noj ntxiv, hypromellose tuaj yeem ua lub luag haujlwm hauv qab no: emulsifier, thickener, suspending tus neeg sawv cev thiab hloov pauv tsiaj gelatin, uas ua haujlwm ua cov thickener, binder, zaj duab xis-yav dhau los, surfactant, tiv thaiv colloid, lubricant, emulsifier, thiab ncua kev kawm ntawv thiab dej tuav. kev pab.
Hydroxypropyl Methylcellulose (HPMC) Qib Kev Tsim Kho tuaj yeem pom tau tias yog cov ntsiab lus dav dav rau kev sib xyaw etherification cellulose ethers.Feem ntau rau cov cellulose ethers yog methoxylation.Tsis tas li ntawd, cov tshuaj tiv thaiv tuaj yeem ua tiav nrog propylene oxide.Peb tuaj yeem muab cov qib tsis hloov kho thiab hloov kho qib HPMC / MHPC, uas muaj lub sijhawm qhib ntev, tuav dej zoo, ua haujlwm tau zoo thiab ua haujlwm tsis zoo thiab lwm yam.
Hydroxypropyl Methylcellulose (HPMC) Qib Kev Tsim Nyog tau siv dav hauv cov pobzeb nplaum, cov khoom sib xyaw qhuav, phab ntsa putty, Skim coat, sib koom muab tub lim, tus kheej-levelling, cement thiab gypsum raws li plaster thiab lwm yam.
Tshuaj Specification
| Specification | HPMC 60 E (2910) : kuv. | HWM 65 F (2906) ib. | HPMC 75 K (2208) ib. |
| Gel kub (℃) | 58-64 : kuv | 62-68 : kuv | 70-90 ib |
| Methoxy (WT%) | 28.0-30.0 Nws | 27.0-30.0 Nws | 19.0-24.0 Nws |
| Hydroxypropoxy (WT%) | 7.0-12.0 Nws | 4.0-7.5 | 4.0-12.0 Nws |
| Viscosity (cps, 2% daws) | 3, 5, 6, 15, 50, 100, 400,4000, 10000, 40000, 60000,100000,150000,200000 | ||
Qib khoom
| Kev tsim kho qib HPMC | Viscosity (NDJ, mPa.s, 2%) | Viscosity (Brookfield, mPa.s, 2%) |
| HPMC TK400 | 320-480 : kuv | 320-480 : kuv |
| HPMC TK60M | 48000-72000 Nws | 24 000-36 000 Nws |
| HPMC TK100M | 80000-120000 | 38000-55000 |
| HPMC TK150M | 120000-180000 Nws | 55000-65000 |
| HPMC TK200M | 180000-240000 Nws | 70000-80000 |
Daim ntawv thov teb
1. Kev tsim kho:
Raws li tus neeg saib xyuas dej-retaining thiab retarder ntawm cement mortar, nws ua rau lub tshuab nqus dej.Siv los ua cov ntawv khi rau hauv plaster, putty hmoov lossis lwm yam khoom siv hauv tsev los txhim kho kev sib kis thiab ua kom lub sijhawm qhib.Cov dej tuav cov cuab yeej ntawm hydroxypropyl methylcellulose HPMC tiv thaiv cov slurry los ntawm kev tawg vim ziab sai heev tom qab thov, thiab txhim kho lub zog tom qab hardening.
1) Pobzeb Adhesive
Txheem pobzeb adhesives ua tiav tag nrho cov tensile adhesion lub zog yuav tsum tau ntawm C1 pobzeb nplaum.Kev xaiv lawv tuaj yeem muaj kev txhim kho plam los yog lub sijhawm qhib txuas ntxiv.Txheem pobzeb adhesives tuaj yeem ua qhov chaw ib txwm lossis teeb tsa ceev.
Cement pobzeb adhesives yuav tsum yooj yim rau trowel.Lawv yuav tsum muab lub sij hawm ntev embedded, siab plam tsis kam thiab txaus adhesion zog.Cov khoom no tuaj yeem cuam tshuam los ntawm HPMC.Adhesives rau thaiv nteg yog siv los tsim cov phab ntsa ntawm aerated qhob blocks, xuab zeb-lime bricks los yog txheem cib.Pobzeb nplaum ua kom muaj kev sib raug zoo ntawm substrate thiab insulating boards.HPMC txhim kho kev ua haujlwm ntawm Pobzeb adhesives thiab nce ob qho tib si adhesion thiab sag kuj.
• Ua haujlwm tau zoo dua: lubricity thiab plasticity ntawm plaster yog guaranteed, mortar yuav siv tau yooj yim dua thiab sai dua.
• Kev tuav dej zoo: lub sijhawm qhib ntev yuav ua rau cov nplais ua haujlwm zoo dua.
• Txhim kho adhesion thiab zawv zawg tsis kam: tshwj xeeb tshaj yog rau cov vuas hnyav.
2) Qhuav mix mortar
Qhuav mix mortar yog cov sib tov ntawm cov ntxhia binders, aggregates thiab auxiliaries.Nyob ntawm tus txheej txheem, muaj qhov sib txawv ntawm tes thiab siv tshuab.Lawv siv rau hauv paus txheej, rwb thaiv tsev, kho dua tshiab thiab kho kom zoo nkauj lub hom phiaj.Dry mix mortar raws li cov cement lossis cement / hydrated txiv qaub tuaj yeem ua haujlwm rau sab nrauv thiab sab hauv.Tshuab siv renders yog tov nyob rau hauv tsis tu ncua los yog discontinuously ua hauj lwm plastering tshuab.Cov no ua rau kev pab them nqi ntawm cov phab ntsa loj thiab qab nthab los ntawm cov txheej txheem ua tau zoo.
• Yooj yim qhuav mix mis vim yog dej txias solubility: pob tsim tuaj yeem zam tau yooj yim, zoo tagnrho rau cov vuas hnyav.
