1, Yeyiphi eyona nto iphambili kwi-hydroxypropyl methyl sellise (i-HPMC)?
Impendulo:I-HPMCisetyenziswa ngokubanzi kwizinto zokwakha, iingubo, i-reatsins, i-ceramic, i-ceramics, iyeza, ibala, i-lests, i-cosmetics, amanye amashishini. I-HPMC inokwahlulwa ibe: ibakala lokwakha, iBakala lokutya kunye nenqanaba lonyango ngokokusetyenziswa. Kwinqanaba langoku le lasekhaya liyinqanaba lokwakha, kwinqanaba lokwakha, inani le-poker inkulu kakhulu, malunga ne-90% isetyenziselwa ukwenza umgubo wokubeka, okuseleyo kusetyenziselwa ukwenza udaka lwe-cemard kunye neglue.
2, I-HydroxyPOpyl Methyl Selelose (HPMC) yahlulwe zanguhambo lweentlobo ezininzi, yintoni umahluko phakathi kokusetyenziswa kwayo?
Impendulo: I-HPMC inokwahlulwa ibe yeyokunyibilika inyibiliki, iimveliso zekhanyithi, emanzini anengxaki zasasazeka, ngeli xesha i-i-i-i-i-i-i-ungenayo ingasasazeki emanzini, akukho gwenxa. Malunga nemizuzu emi-2, i-viscosity ye-ulwelo ngokuthe ngcembe inyuka, yenza i-collous ebonakalayo colous collous. Iimveliso ezinyibilikayo zobushushu, ekubanjweni kwamanzi ezibandayo, zinokuba ngamanzi ashushu, zisasazeke ngokukhawuleza, de iqondo lobushushu liye latshona kwi-collous ecacileyo. Uhlobo lwesifo senyibilikisi lunokusetyenziswa kuphela kwi-popler kunye nodaka, kwiglu yeglu, kunye nokudibana, kunokubonakala ngathi yinto ye-ageglomerament, ayinakusetyenziswa. Imodeli yokuchitha imodeli, indawo yesicelo ebanzi abathile abakhululekileyo, ukuba banesithukuthezi ngomgubo womntwana kunye nodaka, kwaye kwi-glue yeglu, kwaye zonke zinokusetyenziswa, awunayo i-taboo.
3, I-HYDROXPOPPOPLL Methyl Selelise (HPMC) Iindlela zokuTyelisa Ngaba zinazo?
-Impendulo: Indlela yokuSolisa amanzi aHlanganisiweyo: kuba i-HPMC ayichithwanga emanzini ashushu, ke i-HPMC inokuthi ichithwe ngamanzi ashushu, emva koko icinyiwe ngokukhawuleza, iindlela ezimbini eziqhelekileyo zichazwe ngolu hlobo lulandelayo:
1) Gcwalisa isikhongozeli ngamanzi ashushu kakhulu njengoko uyidinga kwaye uyitshisa malunga nama-70 ℃. I-HydroxyPOpyl Methyl Selelose yongezwa phantsi kokuphefumla kancinci, kwaye i-HPMC idada kumphezulu wamanzi, kwaye emva koko ithole i-slirry, epholileyo iphoxekile.
2) Yongeza i-1/3 okanye i-2/3 yenani elifunekayo lamanzi kwisitya kwaye asitshise ukuya kwi-70 ℃. Ukusasaza i-HPMC ngokwendlela yoku-1) ukulungisa amanzi ashushu; Emva koko yongeza amanzi abandayo ashiyekileyo kumanzi ashushu kwaye upholile umxube emva kokuvuselela.
Indlela yokuxuba i-powder iya kunyibilika kwangoko. - Abavelisi be-putty powder basebenzise le ndlela. [I-HYDROXYPOPLL methyl seluplose (i-HPMC) isetyenziswa njengearhente yokuthambisa kunye nearhente yokugcina amanzi kwi-sty powder farser.
4, Ungawubona njani umgangatho we-hydropyl methyl sellise (i-HPMC) elula kwaye ithile?
Impendulo: (1) Ubumhlophe: Nangona ubumhlophe bungakwazi ukubona ukuba i-HPMC ilungile, kwaye ukuba yongezwa kwimveliso yemveliso emhlophe, iya kuchaphazela umgangatho wayo. Nangona kunjalo, uninzi lweemveliso ezilungileyo lube mhlophe mhlophe. . . Ukudluliselwa kwesakhelo esithe nkqo kuhle, kwaye ukuba i-proctor ethe tyaba imbi kakhulu, kodwa akuthethi ukuba umgangatho wokuveliswa kwesakhiwo esithe nkqo singcono kuneso sibekuko ethe tye. Zininzi izinto zokuchonga umgangatho wemveliso. . Kunentloko, kuba ngaphakathi kwe-hydroxyl propyl yesiseko i-propyli ephezulu, i-hydroxyl propyl yesiseko iphezulu, khusela amanzi ukuba afune ngcono.
5, I-HYDROXPOPOPLL Methyl Selelose (HPMC) i-Vicofity ifanelekile?
-Impendulo: Yibhaxekile ngomgubo womntwana kulungile ngokuqhelekileyo amawaka, ubude bemfuno enkulu elubrqeni, funa amandla ayi-150 amawaka okusebenzisa. Ngaphezu koko, i-HPMC yeyona meko ibalulekileyo yokugcina amanzi, ilandelwe ngokutyibilika. Kwindlela yokugcinwa kwamanzi, lo gama nje ukugcinwa kwamanzi kulungile, i-vickosity iphantsi (i-viccosity iphantsi (7-80 yamawaka), kunokwenzeka, ukuba i-vickosity inkulu, xa i-vickosity ingaphezulu kwe I-100 lamawaka, i-vickosity yokugcinwa kwamanzi ayikukhulu.
6, I-HYDROXPOPLL Methyl Selelise (HPMC) Zeziphi izikhombisi eziphambili? .
Impendulo: I-HYDROXDYPOPYL Umxholo kunye ne-viscofity, uninzi lwabasebenzisi abakhathalelayo ezi zikhombisi zimbini. Umxholo weHydroxypropyl iphezulu, ukugcinwa kwamanzi kungcono. UVenkile, ukugcinwa kwamanzi, isihlobo
7, I-HYDROXPOPLL Methyl Selelise (HPMC) Zeziphi izixhobo eziphambili?
Impendulo: i-hydroxypropyl methyl seluplose (i-HPMC) ephambili: i-celomethane ehlaziyiweyo, i-chlomethane, i-propylene, i-alkali, i-acid, i-tooyone, i-iyopropyl yobutywala, kunjalo.
8, I-HPMC ekusebenziseni i-pody powder, eyona ndima iphambili, nokuba kukwenzeka kwe-chemistry?
Impendulo: I-HPMC kwi-potty powder, i-flicketion, amanzi kunye nokwakha iindima ezintathu. Ukutyibilika: I-SelelUlose inokubangelwa kukunqunyanyiswa, ukuze isisombululo sihlala siyiyunifomu siphakame kwaye sisezantsi kwindima yokuhambahamba. Ukugcinwa kwamanzi: Yenza i-pobty powder eyomileyo ngokuthe chu, i-aucular calcium kwisenzo sokuphendula kwamanzi. Ulwakhiwo: I-seluplose ye-Lubring, inokwenza i-powty powder inolwakhiwo oluhle. I-HPMC ayithathi nxaxheba kuyo nayiphi na indlela yokuphendula yekhemikhali, kodwa idlala indima exhasayo. I-podeller kunye namanzi, eludongeni, yindlela yokuphendula yemichiza, ngenxa yesizukulwana sezinto ezitsha, udonga lomgubo ongezantsi, uze usebenzise, ngenxa yokuba wenze into entsha (I-calcium carbonate). Ukuqulunqwa okuphambili kwe-calcium ye-calcium ngumgubo we-CA (O) 2, i-Cao kunye ne-CAO encinci ye-CAO3, i-Cao + i-2 - I-CO2 ye-CORCUM i-Calcium Amanzi nomoya phantsi kwesenzo se-CO2, i-calcium carbonate, kunye ne-HPMC kuphela, nceda i-CLECEMC kuphela, i-Gress Calcium iguqukele, eyayo ayizange ithathe inxaxheba kuyo nayiphi na impendulo.
9.Hpmc En-Ionic Seleclose Ether, ke yintoni engeyiyo i-ionic?
A: Ukuthetha ngokubanzi, i-ions zizinto ezingasebenziyo emanzini. I-Iorsis kukungavisisani kwe-electrolyte kwi-Ions-free-i-Ions ebizile kwi-solvent ekhethekileyo, njengamanzi okanye utywala. Umzekelo, ityuwa esiyitya yonke imihla - i-sodium chloride (i-Nacl) inyibilikisile emanzini kunye ne-iodium ukuvelisa i-Ions ye-sodium ehambayo (i-na +) enetyala elihle kunye ne-chloride i-ions (cl) enetyala elibi. Oko kukuthi, i-HPMC emanzini ayihambelani kwi-Ions, kodwa ikhona iimolekyuli.
10. Yintoni enxulumene neqondo lokushisa le-gene ye-hydroxly reemyl sellise?
-Impendulo: Iqondo lokushisa le-geneI-HPMCinxulumene nomxholo wesekethe, iphantsi i-PAYPGSGYL
11, I-Putty Powder powder kunye ne-HPMC akukho ubudlelwane?
Impendulo: I-Pitty Powder i-Prowder i-Prowder ikakhulu kwaye i-Ash Calcium yomgangatho inobudlelwane obukhulu, kwaye i-HPMC ayinalo ubudlelwane obukhulu kakhulu. Umxholo ophantsi we-calcium ye-calcium ye-grey kunye nenxalenye engalunganga ye-cao kunye ne-2 kwi-2 kwi-Grey Calcium iya kubangela i-powder ihla. Ukuba kukho ubudlelwane obuncinci ne-HPMC, emva koko ukugcinwa kwamanzi i-HPMC kunamahlwempu, kuya kubangela umgubo.
12, i-hydroxypropyl methyl selupyl yeselsulose inyibilikisi kwaye ishushu inyibilikisi kwinkqubo yemveliso yento umahluko?
-Umpendulo: I-HPMC ibandayo e-HPMC i-Stosol ye-Insont ilandela unyango lwe-Glyoxal, lwenziwa emanzini abandayo lwasasazeka ngokukhawuleza, kodwa alunyibiliki ngokwenene, lichithwa. Uhlobo lwe-thermoller aluzange luphathwe nge-glyngoxal. Isixa se-Glysoxal sikhulu, ukusasazeka kukhawuleza, kodwa i-viscosity icotha, isixa sincinci, ngokuchaseneyo.
13, I-Hydroxypropyl Methyl Selelise (i-HPMC) iphunga yindlela?
-Impendulo: I-HPMC eveliswa yindlela ye-Solvent yenziwa nge-toluene kunye ne-isopropyl yotywala. Ukuba ukuhlamba akulunganga kakhulu, kuya kubakho incasa entsalelayo.
I-14, isebenzise ngendlela eyahlukileyo, indlela yokukhetha i-hydroxyl ye-hythyl selsulose (i-HPMC)?
- Impendulo: Thobisa ngokusetyenziswa komgubo womntwana: Imfuneko yemfuno iphantsi, i-vissosity i-100 lamawaka, kulungile, kubalulekile ukukhusela amanzi ukuba asondele. Ukusetyenziswa kodaka: Iimfuno eziphezulu, iimfuno ze-viscofity ephezulu, i-150 lamawaka ukuba ibe ngcono. Isicelo seGlue: Isidingo seemveliso ezikhawulezileyo, i-viscofity ephezulu.
15.Yintoni i-alias ye-hydroxypropyl methyl sellise?
-Impendulo: I-HydroxyPOpyl Methyl Selelose, ifinyezwe njenge-HPMC okanye i-MHPC, okanye i-hydroxypropy; I-seluplose hydroxyropyl methyl thother; I-Hypromellose, Seleculose, 2 - Hydroxypropyl Methyl Selerse.
I-16.hpmc ekusebenzeni kwe-popy powder, i-powty powder bubble ithini isizathu?
Impendulo: I-HPMC kwi-potty powder, i-flicketion, amanzi kunye nokwakha iindima ezintathu. Ayithathi nxaxheba kuyo nayiphi na impendulo. Unobangela weebhabhu: 1, amanzi amaninzi. 2, Ezantsi ayomisi, ngaphezulu komaleko we-scrang, kulula ukuby.
17. Nguwuphi umahluko phakathi kwe-HPMC kunye ne-MC?
-Impendulo: MC yi-methyl seluplose, eyenziwe nge-etelulose ethe the uthotho malunga ne-methane chloride njengoko i-arhente ye-eston iphathwa ngeAlkali. Ngokubanzi, inqanaba lokufakwa endaweni le-1.6 ~ 2.0, kwaye i-soltionality iyahluka ngokwamanqanaba okufaka endaweni. Yeyokwango-Noinic SellUlose Ether.
. Ngokubanzi yongeza inani elikhulu, ukulunga elincinci, i-viscosity, inqanaba lokugcina amanzi liphezulu. Phakathi kwazo, inani lesongelelo linempembelelo enkulu ekugcinweni kwamanzi, kwaye i-vickosity ayingqinelani ekugcinweni kwamanzi. Inqanaba lokuchithwa ikakhulu lixhomekeke kwisidanga sokuguqulwa komphezulu kunye nokulunga kwesuntswana kweeselula. Kwezi zinto zingentla ezininzi zeseli, i-methyl seluplose kunye ne-hydroxypropyl methyl izinga lokugcina amanzi liphezulu.
(2) I-Methyl Selelose inyibilika emanzini abandayo, ekunzima ukuyinyibilika emanzini ashushu. Isisombululo se-ACTEAFOO EZIQHELEKILEYO KWI-PH = 3 ~ 12. Ihambelana ngokuchanekileyo nesitatshi, i-guinidine gum kunye nee-sundocals ezininzi. Ukuhlakulelwa xa iqondo lobushushu lifikelela kubushushu becandelo.
(3) Ukutshintsha kobushushu kuya kuchaphazela kakubi inqanaba lokugcinwa kwamanzi kwi-methyl seluplose. Ngokubanzi, amaqondo obushushu aphezulu, okuphezulu kokugcina amanzi. Ukuba iqondo lobushushu lodaka lingaphezulu kwe-40 ℃, ukugcinwa kwamanzi kwe-methyl seluplose kuya kuba kubi kakhulu, nto leyo ichaphazela ukwenziwa kodaka.
. "Umhlambi" apha apha ubhekisa kwi-adhesion ubhekisa ngumsebenzi phakathi kwesixhobo kunye nodonga oluqhelekileyo, oko kukuthi, ukumelana nodaka. Umbeko lukhulu, ukumelana nodaka kodaka kukhulu, amandla afunwa ngabasebenzi kwinkqubo yokusetyenziswa inkulu, kwaye ukwakhiwa kobukho buhlwempuzekile. Kwimveliso ye-ether i-eteluplose, umlinganiso we-methyl seluplose kwinqanaba eliphakathi.
I-HPMC ye-HydroxyPOpyl Methyl Selelose, ihlaziyiwe yi-cotton emva konyango lwe-Alkali, nge-propylene oxide kunye ne-chloromethane i-erseese engxokozelela i-ether ixutywe kakhulu. Inqanaba lokufakwa endaweni yi-1.2 ~ 2.0. Iipropathi zayo ziyahluka ngenani le-Flexy kunye nomxholo we-hydroxypropy.
. Nangona kunjalo, ubushushu bayo bokuhluthi ngamanzi ashushu ngokucacileyo bungaphezulu kune-Methyl Selelose. Ukunyibilika kwe-methyl sesetsey emanzini abandayo kwaphucuka kakhulu.
. Ubushushu buchaphazela viscosity. I-Viscosity ihla njengamaqondo obushushu ayanda. Kodwa i-viscovity yayo ephezulu yobushushu iphantsi kune-methyl seluplose. Isisombululo sizinzile xa sigcinwe kubushushu begumbi.
. I-Caustic Soda kunye namanzi e-lime anempembelelo encinci kwipropathi yakhe, kodwa uAlkali unokukhawulezisa inqanaba layo lokuchithwa kunye nokuphucula i-viscofity. I-Hydroxypropyl Methyl Selelose iZinzile kwiSatts Jikelele, kodwa xa uxinzelelo lwesona sityibiliki liphezulu, i-viscosity ye-hydroxlypropy ye-methyl methyl isisombululo se-methyl selliese methyl isisombululo se-methyl sellise isisombululo se-methyl sellise isisombululo se-methyl sellise.
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. Ezinjenge-polyvinyl utywala, i-starch ether, iglu yemifuno njalo njalo njalo.
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18. Yintoni ekufuneka ithathelwe ingqalelo ekusebenzeni okusebenzayo kobudlelwane phakathi kwe-viscofity kunye neqondo lobushushu le-HPMC?
Impendulo: I-vickosity yeI-HPMCInobushushu obulinganayo ngokulinganayo, oko kukuthi, i-viscosity inyuka ngokuncipha kobushushu. Xa sithetha ngohlobo lwemveliso, sithetha ngohlobo lwe-2% yemveliso emanzini nge-20 degrees Celsius.
Kwisicelo esisebenzayo, kwiindawo ezinomahluko omkhulu weqondo umahluko phakathi kwehlobo nasebusika, kufuneka kuqatshelwe ukuba kuyacetyiswa ukuba basebenzise i-viscofity ephantsi ebusika, okukhululekileyo ekwakheni. Ngaphandle koko, xa iqondo lobushushu liphantsi, i-viscosity yeselselose iya kunyuka, kwaye xa ikhukulise, iimvakalelo ziya kuba nzima.
I-viscosity ye-viscosity: 75000-100000 isetyenziselwa i-putty.
Isizathu: Ukugcinwa kwamanzi kakuhle.
I-viscofity ephezulu: i-150000-200000 isetyenziselwa ikakhulu kwi-polystyrene ye-polystyrene ye-ralystrene ye-ralber kunye nomgubo oqinisekileyo we-prods.
Isizathu: Ukufakwa kwe-viscosity ephezulu, udaka akukho lula ukulahla, ukuhamba kwesithuba, ukuphucula ukwakhiwa.
Kodwa ngokubanzi, okuphezulu, kokukhona ugcino lwamanzi, kungcono ukugcinwa kwamanzi, uninzi lweemveliso zodaka, ziqwalasele i-vissity yeselula (i-75000-100000) yokutshintsha isixa ukongeza.
IXESHA LOKUQALA: APR-26-2024