Iimpendulo kwimibuzo malunga ne-hydroxypropyl methylcelcelgalose

1. Sisiphi esona sicelo siphambili se-hydroxypropyl methylcelculose (HPMC)?

-I-Answer: I-HPMC isetyenziswa ngokubanzi kwizixhobo zokwakha, iingubo, i-reatsins, i-ceramic, i-ceramics, ukutya, i-cosmetics, icuba kunye namanye amashishini. I-HPMC inokwahlulwa ibe: Ibanga lokwakha, iBanga lokutya kunye namayeza ngokwenziwa. Okwangoku, uninzi lweemveliso zasekhaya libakala lokwakha. Kwibanga lokwakha, i-popy powder isetyenziswa kwisixa esikhulu, malunga ne-90% isetyenziselwa umgubo ongezantsi, kwaye okuseleyo kusetyenziselwa ukuqina kwesamente kunye neglue.

2. Zininzi iintlobo ze-hydroxypropyl methylcelculose (i-HPMC), kwaye yintoni umahluko ekusebenziseni kwabo?

I--Answer: I-HPMC inokwahlulwa ibe luhlobo lwethutyana kunye nodidi olushushu. Uhlobo lwemveliso yethutyana isasaza ngokukhawuleza emanzini abandayo kwaye inyamalale emanzini. Ngeli xesha, ulwelo alunamfanekiso, kuba i-HPMC ichithwa njengamanzi ngaphandle kokupheliswa kokwenyani. Malunga nemizuzu emi-2, i-viscosity ye-ulwelo ngokuthe ngcembe inyuka, yenza i-collous ebonakalayo colous collous. Iimveliso ezishushu-zinyibilikisa, xa zidibene namanzi abandayo, zinokusasaza ngokukhawuleza emanzini ashushu kwaye zinyamalala emanzini ashushu. Xa iqondo lobushushu liyelela kubushushu obuthile, i-viscofity iya kuvela kancinci ide ibe yi-collous engabonakaliyo. Uhlobo olushushu olushushu lunokusetyenziswa kuphela kwi-podty powder nodaka. Kwiglue yeglue kunye nepeyinti, kuya kubakho i-phenomenong yeqela kwaye ayinakusetyenziswa. Uhlobo lwethutyana lunoluhlu olubanzi lwezicelo. Ingasetyenziselwa umgubo we-potty kunye nodaka, kunye neglue engamanzi kunye nepeyinti, ngaphandle kokuphikisana.

3. Zithini iindlela zokuchithwa kwe-hydroxypropyl methylcelcelgalose (HPMC)?

-I-Answer: Indlela yokuSolisa i-Hotsing Water: kuba i-HPMC ayinyibilikisi eshushu, i-HPMC inokusasazeka kakhulu kumanzi ashushu kwinqanaba lokuqala, kwaye emva koko inyibilike ngokukhawuleza xa kupholile. Iindlela ezimbini eziqhelekileyo zichazwe ngolu hlobo lulandelayo:

1) Beka inani elifunekayo lamanzi ashushu kwisitya kwaye asitshise malunga nama-70 ° C. I-hydroxypropyl methylcelcelsele yongezwa ngokuthe ngcembe, ekuqaleni i-HPMC inyibilikiswe kumphezulu wamanzi, emva koko yayiphoswa kancinci i-sloring.

2), Yongeza i-1/3 okanye i-2/3 yexabiso elifunekayo lamanzi kwisitya, kwaye usitshise ukuya kwi-70 ° C, ukusasaza i-HPMC ngokwesilayidi esishushu; Emva koko yongeza inani elisele lamanzi abandayo ukuya kumanzi ashushu amanzi amdaka, umxube wapholwa emva kokuvuselela.
Indlela yokuxuba i-powder I-Supick Powder kunye nabavelisi bodaka basebenzisa le ndlela. [Hydroxypropyl Methylcelceltulose (HPMC) isetyenziswa njenge-arhente yokugcina amanzi kunye nokugcinwa kwamanzi kwi-sty powder farser.

4. Ungawugweba njani umgangatho we-hydroxypropyl methylcelculose (i-HPMC) ngokulula nangokuthathelayo?

-I-Afrikan-(1) Ubumhlophe: Nangona ubuchwephesha bungafumani ukuba i-HPMC kulula ukuyisebenzisa, kwaye ukuba i-HPMC ilula ukuyisebenzisa ngexesha lenkqubo yokuvelisa, iya kuchaphazela umgangatho wayo. Nangona kunjalo, uninzi lweemveliso ezilungileyo lube mhlophe mhlophe. . . Okukhona ugqithisele ngakumbi ukuhambisa, engcono, ebonisa ukuba kukho ukungavumi okuncinci kuyo. . Ukungqinelana kwesakhelo esithe nkqo kuhle, kwaye oko kubi kakhulu kubi kakhulu, kodwa akuthethi ukuba umgangatho wokugcwaliswa ngokuthe nkqo ungcono kunelowo uqhelekileyo, kwaye zininzi izinto zokuchonga umgangatho wemveliso. . Ubungqina bukhulu, ngokubanzi ngenxa yokuba umxholo weqela le-hydroxypropy kuyo kuphezulu, kwaye umxholo weqela le-hydroxypropy iphezulu, ukugcinwa kwamanzi kungcono.

5. Luthini uVenkile ofanelekileyo we-hydroxypropyl methylcelcelgalose (HPMC)?

-I-Anskers: I-Putty Polder i-100,000 yuan, kwaye iimfuno zodaka ziphezulu, kwaye i-150,000 yuan iyafuneka ukuze isetyenziswe ngokulula. Ngaphezu koko, owona msebenzi ubalulekileyo we-HPMC yindawo yokugcina amanzi, ilandelwe ngokutyibilika. Kumgubo obekelweyo, lo gama nje ukugcinwa kwamanzi kulungile kwaye i-vickosity iphantsi (70,000-80,000), kunokwenzeka. Ewe, ukuphakama okuphezulu, okungcono ukugcinwa kwamanzi. Xa uVeksity engaphezulu kwe-100,000, uVekyusi uya kuchaphazela ukugcinwa kwamanzi. Hayi imali kwakhona.

6. Zeziphi izikhombisi eziphambili ze-hydropylpropyl methylcelculose (HPMC)?

-I-Answer: I-Hydroxypropy yomxholo kunye ne-viscofity, uninzi lwabasebenzisi baxhalabile ngezi zikhombisi zimbini. Abo banomxholo ophezulu we-hydroxypropy ngokubanzi banogcino lwamanzi olungcono. Lowo une-viscosity ephezulu unyanzelekile ukuba ugcinwe ngaphezulu, ngokulinganayo (hayi ngokupheleleyo), kunye nalowo unee-viscofity ephezulu esetyenziswe ngcono ekwanje.

7. Zeziphi izixhobo eziphambili ze-hydroxypropyl methylcelcelgalose (HPMC)?

-Impendulo: Ezona zinto ziphambili ze-Hydroxypropyl MethylcelcelUlose (HPMC): I-HPMC ecocekileyo, i-propyl oxide, i-propylene oxide, i-otid, i-toopropanol, njl.

8. Nguwuphi umsebenzi ophambili wokusetyenziswa kwe-HPMC kwi-potty powder, kwaye kwenzeka ngokukhawuleza?

I--Answer: Kwindlela yokubeka i-setty, i-HPMC idlala iindima ezintathu zokugcina amanzi, ukugcinwa kwamanzi kunye nokwakha amanzi. Ukutyibilika: I-seluplose inokuba yinto etyibilikayo ukuyinqumamisa kwaye igcine isisombululo iyuniform inyuke kwaye iphantsi, kwaye ixhathise i-ig. Ukugcinwa kwamanzi: Yenza umgubo obekwe kancinci, kwaye uncede i-ASH Calcium ukuba iphendule phantsi kwesenzo samanzi. Ulwakhiwo: I-Seleculose inefuthe lokuthambisa, elinokwenza umgubo obekiweyo onokwakha kakuhle. I-HPMC ayithathi nxaxheba kuyo nayiphi na indlela yokuphendula yekhemikhali, kodwa idlala kuphela indima encedisayo. Ukongeza amanzi kumbhobho wokungeniswa kwaye uyibeke eludongeni yindlela yokuphendula yemichiza, kuba kusenziwa izinto ezintsha. Ukuba ususa umgubo odongwe eludongeni eludongeni, gxotha ube ngumgubo, kwaye uyisebenzise kwakhona, ayiyi kusebenza kuba izinto ezintsha (i-calcium carbonate) zenziwe. ) nayo. Izinto eziphambili ze-Ash Calcium Powder zezi: umxube we-CA (oh) 2, i-cao kunye ne-COOS ESHORCUM ivelisiwe, i-CAO HOORE: I-COO HOORE kuphela I-calcium, kwaye ayithathi nxaxheba kuyo nayiphi na impendulo ngokwayo.

9. I-HPMC yi-ionic se-i-ionsulose ether, ke yeyiphi i-non-ionic?

-I-Answern: Kwimigaqo ye-DALMENT, i-ions zizinto ezingasebenziyo emanzini. I-ioris ibhekisa kwinkqubo apho i-electrolyte ihluthwe kwii-Ions ezinokuhamba ngokukhululekileyo kwi-Solvent ekhethekileyo (njengamanzi, utywala). Umzekelo, i-sodium chloride (i-NACL), ityuwa esiyitya yonke imihla, inyibilikiswe emanzini kwaye i-Ionid ukuvelisa i-Ions ye-sodium esuswe ngokukhululekileyo kunye ne-chloride i-ions (CLI) ezihlawuliswa kakubi. Oko kukuthi, xa i-HPMC ifakwe emanzini, ayiyi kukhokelela kwi-Ions, kodwa ikho ngohlobo lweeMolekyuli.

10. Ithini iqondo lokushisa le-gene ye-hydroxypropyl methylcelcelcelcelcelsulose ehambelana nayo?

I--Answer: Iqondo lokushisa le-HPMC lihambelana nomxholo wayo wendlela. Umxholo wendlela yokufikelela kwi-↓, ephezulu yobushushu be-gene.

11. Ngaba lukhona ubudlelwane phakathi kwethontsi le-pocer kunye ne-HPMC?

I-Answer: Ilahleko yomgubo ye-potty powder ihambelana ikakhulu kumgangatho we-ASH Calcium, kwaye ayinanto incinci ye-HPMC. Umxholo we-calcium ophantsi ye-calcium engwevu kunye nomyinge oqinisekileyo we-cao kunye ne-2 kwi-2 kwi-clecium ye-grey ye-grey iya kubangela ilahleko yomgubo. Ukuba inento yokwenza ne-HPMC, ke ukuba i-HPMC inelungelo lamanzi ahlwempuzekileyo, iya kubangela ilahleko yomgubo.

12. Nguwuphi umahluko phakathi kohlobo olubandayo lwaManzi oluBandayo kwangoko kunye nohlobo olunyibilikayo lwe-hydroxypropyl methylcelcelcelcelceluplose kwimveliso yemveliso?

I--Answer: Uhlobo lwe-HPMC olubandayo luphawulwe i-HPMC nge-Glysoxal, kwaye iyasasaza ngokukhawuleza emanzini abandayo, kodwa ayinyibiliki. Inyibilikisa kuphela xa uVekyusi uyanda. Iindidi ezishushu ezinobushushu azikho umphezulu ophathwe nge-glyngoxal. Ukuba isixa se-glyngoxal sikhulu, ukusasazeka kuya kukhawuleza, kodwa i-vickosity iya kukhula kancinci, kwaye ukuba isixa sincinci, okuchaseneyo kuya kuba kuyinyani.

13. Yintoni ivumba le-hydroxypropyl methylcelcelgalose (HPMC)?

-I-Answer: I-HPMC eveliswe yindlela ye-Solvent isebenzisa i-toluene kunye ne-Iyopropanol njengezinyibilikisi. Ukuba ukuhlamba akulunganga kakhulu, kuya kubakho iphunga eligqithisiweyo.

14. Ungayikhetha njani i-Hydropyl ye-HydylcelceLcelose (i-HPMC) yeenjongo ezahlukeneyo?

-I-Answer: Ukusetyenziswa komgubo wokusela: Iimfuneko ziphantsi, kwaye i-vickosity i-100,000, eyanele. Into ebalulekileyo kukugcina amanzi kakuhle. Ukusetyenziswa kodaka: Iimfuno eziphezulu, i-viscofity ephezulu, i-150,000 ingcono. Ukusetyenziswa kweGlue: Iimveliso ezikhawulezileyo ezinokufunwa kwi-viscofity ephezulu.

15. Ngubani elinye igama le-hydroxypropyl methylcelcelcelcelose?

-I-SHDHERPYL I-MTHYL I-ItyUlose, English: Hydroxypropyl Methyl Ityheli: I-HPMC Alias: Hyplellose; I-seluplose hydroxyropyl methyl thother; I-Hypromellose, Seleculose, 2 - Hydroxypropyl Methyl Selerse. Seluplose hydroxypropyl methyl herrolose hyprolose.

16. Ukusetyenziswa kwe-HPMC kwi-potty powder, siyintoni isizathu se-gobble kwi-powty powder?

I--Answer: Kwindlela yokubeka i-setty, i-HPMC idlala iindima ezintathu zokugcina amanzi, ukugcinwa kwamanzi kunye nokwakha amanzi. Musa ukuthatha inxaxheba nakweyiphi na indlela. Izizathu zeFubble: 1. Beka amanzi amaninzi. 2. Umaleko ongezantsi awuyomisi, hlamba olunye ungqimba ngaphezulu, kwaye kulula ukugwetywa.

17. Nguwuphi umahluko phakathi kwe-HPMC kunye ne-MC?

I--Answer i-methyl sellise, eyenziwe nge-tartulose ether ngokuphatha i-cotton ecocekileyo kunye ne-Alkali, esebenzisa i-methane chloride njenge-arhente yokuphendula, kwaye ihambe ngothotho lweempendulo. Ngokubanzi, inqanaba lokufakwa endaweni le-1.6 ~ 2.0, kwaye i-solinoing nayo yahlukile ngamanqanaba ahlukeneyo okufaka endaweni. Yeyokutshekisha i-enic sete
. Ngokubanzi, ukuba isixa esongezelelekileyo sikhulu, ukulunga kuncinci, kwaye i-vickosity inkulu, inqanaba lokugcina amanzi liphezulu. Phakathi kwazo, isixa-mali songezelelo sinefuthe elikhulu kwiqondo lokugcina amanzi, kwaye inqanaba le-viscofity alikho ngqo kwinqanaba leqondo lokugcina amanzi. Inqanaba lokuchithwa ikakhulu lixhomekeke kwinqanaba lokutshintsha komphezulu wesuntswana kunye nobumdaka obuchaphazelekayo. Phakathi kwezi zinto zingentla kwe-Sethes, iMethyl Selelose kunye neHydroxypropyl Methyl Selelose anemilinganiselo ephezulu yokugcina amanzi.
. Isisombululo se-ACTEAFOOF sizinzile kakhulu kuluhlu lwe-pH = 3 ~ 12. Ihambelana ngokuchanekileyo nesitatshi, i-Gum Gum, njl. Njl. Xa iqondo lobushushu lifikelela kubushushu bendawo, ukumela.
(3) Utshintsho kubushushu luya kuchaphazela kakubi inqanaba lokugcinwa kwamanzi kwi-methyl seluplose. Ngokubanzi, amaqondo obushushu aphezulu, okuphezulu kokugcina amanzi. Ukuba ubushushu obuphango bungaphezulu kwe-40 ° C, ukugcinwa kwamanzi kwe-methyl seluplose kuya kuncitshiswa kakhulu, kuchaphazele kakhulu ukwakhiwa kodaka.
(4) I-Methyl Selelose inefuthe elibonakalayo kulwakhiwo kunye nokubulala. I "Dehlosion" apha zibhekisa kumandla okunetha ezibonakala ziphakathi kwesixhobo somsebenzi wesicelo kunye nodonga, oko kukuthi, ukumelana nodaka. Ukuthambelela kuphezulu, ukumelana nodaka kubukhulu, kwaye amandla afunwa ngabasebenzi kwinkqubo yokusetyenziswa inkulu, kwaye ukusebenza kodaka akunamsebenzi. I-Methyl Seledion ikwinqanaba eliphakathi kwimveliso ye-etelulose etele.

I-HPMC yi-hydroxypropyl methylcelceluplose i-ionic sest ye-ether edityanisiweyo eyenziwe kwi-cotton ye-propyle, esebenzisa i-propylene oxide kunye ne-methyl chloride njengeearhente zokuphendula. Inqanaba lokufakwa endaweni yi-1.2 ~ 2.0. Iipropathi zayo zahlukile ngenxa yemilinganiselo eyahlukileyo yemixholo ye-APENGSYL kunye nomxholo we-hydroxypropy.

. Kodwa iqondo lokuhlaselwa layo lokuhlaselwa kwamanzi ashushu liphezulu kakhulu kune-methyl seluplose. Ukunyibilisela emanzini abandayo kuyaphuculwa kakhulu xa kuthelekiswa neMethyl Selelose.
. Ubushushu buchaphazela i-viscofity yayo, njengoko amaqondo obushushu ayanda, i-viscosity ihla. Nangona kunjalo, i-viscosity yayo ephezulu inamaqondo obushushu asezantsi kune-methyl seluplose. Isisombululo sayo sizinzile xa sigcinwe kubushushu begumbi.
. I-Caustic Soda kunye namanzi e-lime anempembelelo encinci ekusebenzeni kwayo, kodwa uAlkali unokukhawulezisa ukupheliswa kwayo kwaye kwandise i-viscofity yayo. I-HydroxyPOpyl Methylcelcelcelose iZinzile kwi-SECTs eqhelekileyo, kodwa xa uxinzelelo lwesona sityibilili liphezulu, i-viscosity ye-hydroxypropyl methylcelses isisombululo sithanda ukunyuka kwesisombululo.
.
. Ezinjenge-polyvinyl utywala, i-starch ether, i-gum yemifuno, njl.
.
.

18. Yintoni ekufuneka ithathelwe ingqalelo kwisicelo sobudlelwane phakathi kwe-viscofity kunye neqondo lobushushu le-HPMC?

-I -ansity: I-viscosity ye-HPMC ihambelana ngokulinganayo kubushushu, oko kukuthi, i-viscosity inyuka njengoko ubushushu bunciphisa. UVenkile weMveliso Sihlala sibhekisa kwi-2% ye-ACDEACOOR YENKCAZO YAMA-20 degrees Celsius.

Kwizicelo ezisebenzayo, kufuneka kuqatshelwe ukuba kwiindawo ezinomahluko omkhulu phakathi kwehlobo nasebusika, kucetyiswa ukuba basebenzise i-viscofity ephantsi ebusika, okukhululekileyo ekwakheni. Ngaphandle koko, xa iqondo lobushushu liphantsi, i-viscosity yesellulose iya kunyuka, kwaye isandla siziva sinzima xa sikhupha.

I-viscosity ye-viscosity: 75000-100000 isetyenziselwa i-putty.

Isizathu: Ukugcinwa kwamanzi kakuhle.

I-viscofity ephezulu: i-150000-200000 isetyenziselwa i-Polystrene ye-Polystyrene i-Pelue ye-Geer ye-Geer ye-Geer kunye ne-Vitterbed i-therble ye-inshonter.
Isizathu: Ukufakwa kwe-viscosity ephezulu, udaka akukho lula ukuwa, kuxhonywa, kunye nokuphucula ulwakhiwo.

Kodwa ngokubanzi bathetha, ukuphakama okuphezulu, kungcono ukugcinwa kwamanzi. Ke ngoko, jonga iindleko, uninzi lwemigudi yomgubo owomileyo Faka indawo ye-villasse (i-DECCOSIT ye-vills selsese (20000-40000) kunye ne-vill-viem-vings-vings-vingsel sellyusity (20000-40000) ukunciphisa isixa esongeziweyo. .