Hydroxypropyl hmoov txhuv nplej siab ether-HPS
Taw qhia rau Starch
Cov hmoov txhuv nplej siab yog ib qho ntawm cov carbohydrates ntau tshaj plaws nyob rau hauv cov xwm txheej thiab ua lub zog tseem ceeb rau ntau yam kab mob nyob, suav nrog tib neeg. Nws yog tsim los ntawm qabzib units txuas ua ke hauv cov saw ntev, tsim amylose thiab amylopectin molecules. Cov molecules no feem ntau yog muab rho tawm los ntawm cov nroj tsuag xws li pob kws, nplej, qos yaj ywm, thiab mov.
Kev hloov pauv ntawm Starch
Txhawm rau txhim kho nws cov khoom thiab nthuav dav nws cov ntawv thov, cov hmoov txhuv nplej siab tuaj yeem hloov kho ntau yam tshuaj. Ib qho kev hloov kho no yog kev qhia txog cov pab pawg hydroxypropyl, uas ua rau hydroxypropyl starch ether (HPS). Qhov kev hloov kho no hloov pauv cov yam ntxwv ntawm lub cev thiab tshuaj lom neeg ntawm cov hmoov txhuv nplej siab, ua rau nws muaj ntau yam thiab haum rau ntau yam kev lag luam siv.
Chemical Structure thiab Properties
Hydroxypropyl hmoov txhuv nplej siab etheryog muab los ntawm cov hmoov txhuv nplej siab los ntawm cov tshuaj tiv thaiv tshuaj uas cuam tshuam nrog kev hloov ntawm hydroxyl pawg nrog hydroxypropyl pawg. Cov txheej txheem no qhia txog hydrophobic sab chains mus rau cov hmoov txhuv nplej siab molecule, imparting nws nrog txhim kho dej tsis kam thiab stability. Qhov degree ntawm kev hloov pauv (DS) yog hais txog tus naj npawb ntawm cov pab pawg hydroxypropyl ntxiv rau ib chav tsev piam thaj thiab cuam tshuam rau cov khoom ntawm HPS.
Kev siv ntawm Hydroxypropyl Starch Ether
Kev lag luam kev tsim kho: HPS feem ntau yog siv los ua tus neeg sawv cev thickening, binder, thiab stabilizer hauv cov khoom siv xws li mortar, plaster, thiab grout. Nws lub peev xwm los txhim kho kev ua haujlwm, adhesion, thiab tuav dej ua rau nws muaj txiaj ntsig zoo hauv kev tsim kho cov qauv.
Kev Lag Luam Khoom Noj: Hauv kev lag luam khoom noj, HPS pom cov ntawv thov hauv cov khoom xws li kua ntses, hnav khaub ncaws, thiab cov khoom ci. Nws ua haujlwm ua cov thickener, stabilizer, thiab texturizer, txhim khu kev ntxhib los mos, qhov ncauj, thiab txee lub neej ntawm cov khoom noj. Ntxiv mus, HPS feem ntau nyiam dua lwm cov hmoov txhuv nplej siab vim nws cov cua sov zoo heev thiab kev ruaj ntseg shear.
Pharmaceuticals: Pharmaceutical formulations siv HPS raws li kev sib khi hauv cov ntsiav tshuaj, qhov uas nws txhim kho cov ntsiav tshuaj disintegration thiab dissolution tus nqi. Tsis tas li ntawd, nws ua haujlwm ua tus neeg ua yeeb yaj kiab hauv kev siv txheej txheej, muab cov ntsiav tshuaj nrog kev tiv thaiv thiab ua kom zoo nkauj zoo nkauj txheej txheej.
Cov Khoom Siv Kho Tus Kheej: HPS yog cov khoom muaj nyob rau hauv cov khoom siv tu tus kheej xws li tshuaj zawv plaub hau, tshuaj pleev, thiab tshuaj pleev. Nws ua haujlwm ua cov thickener thiab stabilizer, txhim kho cov khoom sib xws, kev ntxhib los mos, thiab txee ruaj khov. Tsis tas li ntawd, HPS muab cov khoom ua kom zoo rau cov plaub hau thiab cov tawv nqaij, pab txhawb rau lawv cov kev ua tau zoo tag nrho.
Kev Lag Luam Ntawv: Hauv kev tsim cov ntawv, HPS yog siv los ua tus neeg saib xyuas qhov chaw los txhim kho daim ntawv lub zog, du nto, thiab luam tawm. Nws cov yeeb yaj kiab tsim cov khoom tsim cov txheej txheem sib xws ntawm daim ntawv saum npoo, uas ua rau cov kua nplaum ua kom zoo dua qub thiab txo tus number case nqus.
Kev Lag Luam Textile: HPS ua haujlwm raws li tus neeg saib xyuas kev lag luam hauv kev lag luam textile, qhov uas nws siv rau cov xov paj thiab cov ntaub los txhim kho lawv cov yam ntxwv thaum lub sij hawm weaving lossis knitting txheej txheem. Tsis tas li ntawd, nws imparts nruj thiab lub zog rau cov fibers, yooj yim rau downstream ua thiab txhim kho qhov zoo ntawm cov khoom tiav textile.
Roj Drilling Fluids: HPS yog ua hauj lwm nyob rau hauv cov roj thiab roj kev lag luam raws li ib tug viscosifier thiab kua-tso tswj tus neeg saib xyuas nyob rau hauv drilling kua. Nws pab tswj cov viscosity ntawm cov av nkos drilling, tiv thaiv cov dej poob rau hauv kev tsim, thiab ruaj khov phab ntsa zoo, yog li ua kom zoo dua qhov kev ua haujlwm drilling thiab ua kom muaj kev ncaj ncees zoo.
Hydroxypropyl hmoov txhuv nplej siab ether (HPS)yog ntau yam hmoov txhuv nplej siab derivative nrog kev siv dav hauv ntau yam kev lag luam. Nws qhov tshwj xeeb ua ke ntawm cov khoom, nrog rau cov thickening, binding, stabilizing, thiab film-forming peev xwm, ua rau nws indispensable nyob rau hauv formulations xws li los ntawm kev tsim kho cov khoom rau cov khoom noj. Raws li qhov kev thov kom muaj kev ruaj ntseg thiab eco-phooj ywg additives txuas ntxiv mus, HPS sawv tawm raws li ib qho kev hloov dua tshiab thiab biodegradable lwm txoj rau hluavtaws polymers, ntxiv dag zog rau nws txoj hauj lwm raws li ib tug tseem ceeb muaj nyob rau hauv ntau yam kev lag luam thiab cov neeg siv.
Lub sij hawm xa tuaj: Plaub Hlis-15-2024