Ukuthetha nge-hydroxypropyl methyl seluplose

1. Yeyiphi eyona njongo ye-hydroxypropyl methylcelcellulose (i-HPMC)?
-I-HPMC isetyenziswe ngokubanzi kwizinto zokwakha, iingubo, i-reomatis, i-ceramic, i-ceramics, iyeza, izibalo, iicusmetics, amanye amashishini. I-HPMC inokwahlulwa ibe: Ibanga lokwakha, iBanga lokutya kunye namayeza ngokwenjongo. Okwangoku, uninzi lweemveliso zasekhaya libakala lokwakha. Kwinqanaba lokwakha, isixa se-potty powder sikhulu kakhulu, malunga ne-90% isetyenziselwa umgubo ongezantsi, kwaye okuseleyo kusetyenziselwa ukuqina kwesamente kunye neglu.
2. Zininzi iintlobo ze-hydroxypropyl methylcelculose (i-HPMC), kwaye yintoni umahluko ekusebenziseni kwabo?
I--Answer: I-HPMC inokwahlulwa ibe luhlobo lwethutyana kunye nohlobo olushushu. Iimveliso zemodi zethutyana zisasaza ngokukhawuleza emanzini abandayo kwaye zinyamalala emanzini. Ngeli xesha, ulwelo alunanto yokufakwa, kuba i-HPMC ichithwa njengamanzi kwaye ayinasiphelo sokwenyani. Emva kwemizuzu emi-2, i-viscosity ye-ulwelo ngokuthe ngcembe yanda, yakha i-viscous ebonakalayo. Iimveliso ezishushu ezishushu, xa zidibene namanzi abandayo, zinokusasazeka ngokukhawuleza emanzini ashushu kwaye inyamalale emanzini ashushu. Xa iqondo lobushushu liye kwehla kubushushu obuthile, i-vickosity ivela kancinci de i-vicous engabonakaliyo yenziwa. Uhlobo olushushu olushushu lunokusetyenziswa kuphela kwi-podty powder nodaka. Kwiglue yeglue kunye nepeyinti, ukubethwa kuka-Likedon kuya kwenzeka kwaye akunakusetyenziswa. Uhlobo lwethutyana lunoluhlu olubanzi lwezicelo. Ingasetyenziswa kwi-poceble yomgubo kunye nodaka, kunye neglu yolwelo kunye nepeyinti, ngaphandle kokuphikisana.

3. Zithini iindlela zokuchithwa kwe-hydroxypropyl methylcelcelgalose (HPMC)?
-I-Afrikansi: Indlela yokuchithwa kwamanzi eshushu: Oko i-HPMC ayichithwanga emanzini ashushu, i-HPMC inokuba isasazeke ngendlela efanayo emanzini okuqala, emva koko inyibilikisiwe ngokukhawuleza. Iindlela ezimbini eziqhelekileyo zichazwe ngolu hlobo lulandelayo:
1) Beka inani elifunekayo lamanzi ashushu kwisikhongozeli kwaye ubushushu malunga nama-70 ° C. I-hydroxypropyl methylcelcelsulose yongezwa ngokuthe ngcembe, ekuqaleni i-HPMC ifakwe kumphezulu wamanzi, emva koko yazenzela ngokuthe ngcembe isilayidi.
2), Yongeza i-1/3 okanye i-2/3 yexabiso elifunekayo lamanzi esi sitya, kwaye usitshise ukuya kwi-70 ° C, ngokwendlela ye-1), ukusasaza i-HPMC i-HPMC; Emva koko yongeza inani elisele lamanzi abandayo ukuya kwamanzi ashushu kwi-slirry, umxube wapholwa emva kokuvuselela.

Indlela yokuxuba i-powder Umgubo uya kunyibilikisa ngoko nangoko kunxibelelana namanzi. Indlela ye--tis isetyenziswa yi-putty powder kunye nabavelisi bodaka. [HYDROXYPOPLL methylcelceltulose (i-HPMC) isetyenziswa njenge-tickener kunye nearhente yokugcina amanzi kumda we-podty powder. ]

4. Ungawugweba njani umgangatho we-hydroxypropyl methylcelculose (i-HPMC) ngokulula nangokuthathelayo?
-I-Afrikan-(1) Ubumhlophe: Nangona ubumhlophe abunakufumanisa ukuba i-HPMC kulula ukuyisebenzisa, kwaye ukuba i-HPMC ilula ukuyisebenzisa, kwaye ukuba i-SPIT iyongezwa kwinkqubo yemveliso, iya kuchaphazela umgangatho wayo. Nangona kunjalo, uninzi lweemveliso ezilungileyo lube mhlophe mhlophe. . Uninzi lwe-HPMC eveliswe eHebei yi-80 mesh. Ukuhlekisa kakuhle, ngcono. . Ukuphakama okuphezulu, okungcono, kubonisa ukuba kukho izinto ezingafakwanga kuyo. Ukufakwa kwe-verctoctor olwenziweyo kulungile, kwaye i-proctor ethe tyaba imbi kakhulu, kodwa ayinakuthethwa ukuba umgangatho wesakhiwo esithe nkqo ungcono kuneso sixhobo esithe nkqo, kwaye zininzi izinto ezimisela umgangatho wemveliso. . Ubuninzi obuthile bukhulu, kuba ngokubanzi kuba umxholo we-hydroxypropy kuwo uphakamile, kwaye umxholo we-hydroxypropy uphuphume, ukugcinwa kwamanzi kungcono.

5. Ixabiso le-hydroxypropyl methylcelcelculose (HPMC) e-Itty Powder?
-I-ASPHUPHAT: Ixabiso le-HPMC elisetyenziswa kwizicelo ezisebenzayo ziyahluka ngokuxhomekeka kwimozulu, ubushushu, umgangatho we-ash ye-ash ye-ash kunye "nomgangatho ofunwa ngabathengi". Ngokubanzi, uphakathi kwe-4 kg kunye ne-5 kg. Umzekelo, uninzi lwe-powty powder eBeijing yi-5 kg; Uninzi lwe-poty powty powty eGuizhou yi-5 kg ​​ehlotyeni kunye ne-4.5 kg ebusika;

6. Luthini uVekyusis ofanelekileyo we-hydroxypropyl methylcelcellulose (HPMC)?
-I-Asnwer: I-Putty Powder ikakhulu yi-100,000 yuan, kwaye udaka ifuna ngakumbi, kwaye kulula ukuyisebenzisa kwi-150,000 yuan. Ngaphezu koko, eyona ndima ibaluleke kakhulu ye-HPMC kukugcina amanzi, kulandelwe ngokulandelelana. E-Putty Powder, logama nje ukugcinwa kwamanzi kulungile kwaye i-viscosity iphantsi (70,000-80,000), kunokwenzeka. Ewe kunjalo, i-vickosity iphezulu, kwaye ukugcinwa kwamanzi ngokuhambelana. Xa i-viscosity idlula i-100,000, isiphumo sokujonga ukugcinwa kwamanzi akuninzi.

7. Zeziphi izikhombisi eziphambili ze-hydropylpropyl methylcelculose (HPMC)?
I--Answer: i-hydroxypropy yomxholo kunye ne-viscofity, uninzi lwabasebenzisi abakhathalelayo ezi zikhombisi zimbini. Ngaphezulu komxholo we-hydroxypropy, kungcono ukugcinwa kwamanzi. I-viscosity ephezulu, ukugcinwa kwamanzi, ngokulinganayo (kunokuba ugqibelele) ungcono, kwaye uvimba ophezulu, usebenzise ngcono udaka lwesamente.

8. Zeziphi izixhobo eziphambili ze-hydroxypropyl methylcelcelcelce (i-HPMC)?
-I-A: Ezona zinto ziphambili ze-HydroxyPOpyl MethylcelceLXhosa (HPMC): I-HPMC ecocekileyo, i-propyl oxide, i-propyl oxide, i-propylene oxide, i-acid, i-toonene, i-Iyopropanol, njl.

9. Yeyiphi eyona ndima iphambili ye-HPMC kwi-HPMC yomgubo we-DATTY, kwaye ikhona i-chemistry?
-I-Answer: I-HPMC inemisebenzi emithathu yokutsalwa, ukugcinwa kwamanzi kunye nokwakhiwa komgubo we-sty powder. Ukutyibilika: I-SelelUlose inokuba ihlawulwe ukunqumamisa, gcina iyunifomu yesisombululo kwaye iyaguquka, kwaye iyaxhathisa. Ukugcinwa kwamanzi: Yenza umgubo wokubekwa kancinci, kwaye uncede ukuphendula kwe-ASH Calcium phantsi kwesenzo samanzi. Ulwakhiwo: I-Seleculose inefuthe lokunyathela, elinokwenza umgubo obekiweyo unokuphumelela. I-HPMC ayithathi nxaxheba kuyo nayiphi na indlela yokuphendula yemichiza kwaye idlala kuphela indima encedisayo. Ukongeza amanzi kwi-pople powder kwaye uyibeke eludongeni yindlela yokuphendula yemichiza. Ngenxa yokusekwa kwezinto ezitsha, thatha umgubo obekwe eludongeni eludongeni, gxotha ube ngumgubo, kwaye uphinde uyisebenzise. Ayizukusebenza, kuba izinto ezintsha (ze-calcium carbonate) zenziwe. ) phezulu) phezulu. Amacandelo aphambili e-Ash Calcium Powder yile: umxube we-CA (oh) 2, i-Cao kunye ne-CAO SHIT ye-COHCIUM ye-CO2, i-CAO HOO = CO YORORCE kuphela I-calcium, kwaye ayithathi nxaxheba kuyo nayiphi na impendulo ngokwayo.

I-10. I-HPMC ayi-ionic selsulose ether, ke yeyiphi i-non-ionic?
-Impendulo: Kwimigaqo ye-DARDAMS, i-ions zizinto ezingasebenziyo emanzini. I-iorisry ibhekisa kwinkqubo apho i-electrolyte ihluthwe kwii-ions) ezihambayo kwi-Solvent ebizwa ngokuba yi-Solvent ekhethekileyo (njengamanzi, utywala). Umzekelo, i-sodium chloride (Ityuwa), ityuwa idliwe yonke imihla, inyibilikiswe emanzini nasekuhlawuleni ihlawulwe ngokukhululekileyo i-Ions eshukumayo ngokukhululekileyo kwaye ihlawulwe kakuhle. Oko kukuthi, xa i-HPMC ifakwe emanzini, ayihambelani kwi-Ions, kodwa ikho ngohlobo lweeMolekyuli.

11. Ithini iqondo lokushisa le-gene le-hydroxypropyl methylcelcelcelcelcelose ehambelana nayo?
A: Iqondo lokushisa le-HPMC lihambelana nomxholo walo weqhinga, isezantsi umxholo we-Macwingsy ↓, iqondo lobushushu ↑.

12. Ngaba umgubo wehla kwi-powty powder unento yokwenza ne-HPMC?
I--Answer: I-powder yehla i-popy powder ihambelana ikakhulu kumgangatho we-ash calcium, kwaye ayinanto incinci ye-HPMC. Umxholo we-calcium ophantsi we-ASHCUM kunye nomyinge ongafanelekanga we-cao kunye ne-CA (oh) 2 kwi-ASH Calcium iya kubangela i-powder yehle. Ukuba inento yokwenza ne-HPMC, emva koko ukugcinwa kwamanzi ahluphekayo ye-HPMC kuya kubangela i-pocer yehla. Ngenxa yezizathu ezithile, nceda ujonge kumbuzo 9.

13. Nguwuphi umahluko phakathi kohlobo olubandayo lwamanzi olubandayo kunye nohlobo olufihlakeleyo lwe-hydroxypropyl methylcelcelcelcelgalose kwinkqubo yemveliso?
I--Answer: Uhlobo lwe-HPMC olubandayo lwe-HPMC luphawulwe umphezulu neGlyoxal, kwaye ichithwa ngokukhawuleza emanzini abandayo, kodwa ayichithwanga nyani. Xa kuvuka ukubonakala kwe-vissity, kuyachithwa. Uhlobo olushushu olushushu alunamhlaba ophathwe nge-glyngoxal. Ukuba isixa se-glynoxal sikhulu, ukusasazeka kuya kukhawuleza, kodwa i-vickosity iya kukhula kancinci, kwaye okuchaseneyo kuya kuba xa inani le-glyngoxal lincinci.

14. Yintoni i-odor ye-hydroxypropyl methylcelcelgalose (HPMC)?
-I-Answer: I-HPMC eveliswe yindlela ye-Solvent isebenzisa i-toluene kunye ne-Iyopropanol njengeSolvent. Ukuba ukuhlamba akulunganga kakhulu, kuya kubakho incasa entsalelayo.

15. Ungayikhetha njani i-hydropyl ye-hythylcelculose (i-HPMC) yeenjongo ezahlukeneyo?
I-Answer: Ukusetyenziswa komgubo wokubeka: Iimfuno ziphantsi, i-viscosity i-100,000, yanele, into ebalulekileyo kukugcina amanzi kakuhle. Ukusetyenziswa kodaka: Iimfuno eziphezulu, i-viscofity ephezulu, i-150,000 ingcono. Ukusetyenziswa kweGlue: Ufuna imveliso kwangoko, i-viscofity ephezulu.

16.
-I-SHDHERPYL I-MTHYL I-ItyUlose, English: Hydroxypropyl Methyl Ityheli: I-HPMC Alias: Hyplellose; I-seluplose hydroxyropyl methyl thother; I-Hypromellose, Selelise, 2 - Xhosa-Hydroxypropythyl Selerse. Seluplose hydroxypropyl methyl herrolose hyprolose.

17. Ukusetyenziswa kwe-HPMC kwi-potty powder, siyintoni isizathu seebhubhu ze-popt powder?
-I-Answer: I-HPMC inemisebenzi emithathu yokutsalwa, ukugcinwa kwamanzi kunye nokwakhiwa komgubo we-sty powder. Ayibandakanyeki nakweyiphi na indlela. Izizathu zeebhubhu: 1. Amanzi amaninzi abekwe. 2. Umaleko ongezantsi awuyomisi, hlamba olunye ungqimba ngaphezulu, kwaye kulula ukugwetywa.

18. Ithini ifomula yomgubo we-sty engaphakathi kunye neendonga zangaphandle?
I--Answer: I-Wallior Wallty Powder: I-Calcium e-800kg, i-ash calcium 150kg (i-starch thertu, i-geng runte, i-rictric acid,
Udonga lwangaphandle Beka i-Powty Powder: I-CATE YE-350KG, i-Calcium e-Grocium, i-quartz i-strader 80kg, i-starch ether 0KG ye-Wiber 2kg

19. Nguwuphi umahluko phakathi kwe-HPMC kunye ne-MC?
A: I-MC i-methyl seluplose, eyenziwayo ngokunyanga i-cotton ecocekileyo neAlkali, esebenzisa i-bithane ehlombeweyo njengearhente yokukhuphela, kwaye ithathe i-teetseese ngothotho lweendlela zokuphendula. Ngokubanzi, inqanaba lokufakwa endaweni le-1.6 ~ 2.0, kwaye i-solinoing nayo yahlukile ngamanqanaba ahlukeneyo okufaka endaweni. Yeyokwesi-i-ionic selsulose ether.

. Ngokubanzi, ukuba isixa esongeziweyo sikhulu, ukulunga kuncinci, kwaye i-vickosity inkulu, inqanaba lokugcina amanzi liphezulu. Phakathi kwazo, inani elongezelelekileyo linefuthe elikhulu kwiqondo lokugcina amanzi, kwaye inqanaba le-viscofity alinayo elilinganayo kwinqanaba lokugcina amanzi. Inqanaba lokuchithwa ikakhulu lixhomekeka kwinqanaba lokutshintsha komphezulu wesuntswana kunye nobulungisa bamasuntswana. Phakathi kwezi zinto zingentla kwe-Sethes, iMethyl Selelose kunye neHydroxypropyl Methyl Selelose anemilinganiselo ephezulu yokugcina amanzi.
. Ihambelana ngokuchanekileyo nesitatshi, i-Gum Gum, njl. Njl. Xa iqondo lobushushu lifikelela kubushushu becandelo, into etyhafileyo yenzekile.
(3) Ukutshintsha kobushushu kuya kuchaphazela kakubi inqanaba lokugcinwa kwamanzi kwi-methyl seluplose. Ngokubanzi, amaqondo obushushu aphezulu, okuphezulu kokugcina amanzi. Ukuba ubushushu obuphanga bungaphezulu kwe-40 ° C, ukugcinwa kwamanzi kwe-methyl seluplose kuya kuba kubi kakhulu, nto leyo iya kuchaphazela kakhulu ukusebenza kodaka.
. "Ukubamba" apha kubhekisa kwi-Adhesions ebonakala phakathi kwesixhobo somsebenzi wesicelo sowokwenza isicelo somsebenzi kunye nodonga, oko kukuthi, ukumelana nodaka. Umlinganiso mkhulu, ukumelana nodaka kuphakanyiswa, kwaye amandla afunwa ngabasebenzi kwinkqubo yokusetyenziswa inkulu, kwaye ukwakhiwa kodaka akunakwenzeka. I-methylcelcelsulose Adherion ikwinqanaba eliphakathi kwimveliso ye-etelulose etele.

I-HPMC yi-HydroxyPOpyl Methyl Selelose, engu-Ionic selsulose exubeneyo elungiselelwe i-Alkali ye-Alkali ye-Alkali ye-Alkali ye-Alkali ye-Alkali ye-Alkali ye-Alkali ye-Oxide kunye ne-methyl chloride njengeearhente ezimiselweyo. Inqanaba lokufakwa endaweni yi-1.2 ukuya kwi-2.0. Iipropathi zayo ziyahluka kuxhomekeka kwinxalenye yemixholo ye-APENGSYL kunye nomxholo we-hydroxypropy.
. Kodwa iqondo lokuhlaselwa layo lokuhlaselwa kwamanzi ashushu liphezulu kakhulu kune-methyl seluplose. Ukupheliswa kwamanzi abandayo kukuphuculwa kakhulu xa kuthelekiswa neMethyl Selelose.
. I-Caustic Soda kunye namanzi e-lime anempembelelo encinci ekusebenzeni kwayo, kodwa uAlkali unokukhawulezisa ukuchitheka kwayo kunye nokonyusa i-viscofity. I-HydroxyPOpyl Methylcelcelgalose iZinzile kwi-SATTs eqhelekileyo, kodwa xa uxinzelelo lwesohlwayo luphezulu, i-viscosity ye-hydroxlypropyl methylcelces isisombululo sithanda ukunyuka kwesisombululo.
. Ezinjenge-polyvinyl utywala, i-starch ether, i-gum yemifuno, njl.
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20. Yintoni ekufuneka ithathelwe ingqalelo ekusebenziseni okusebenzayo kobudlelwane phakathi kwe-viscofity kunye neqondo lobushushu le-HPMC?
I-Answer: I-viscosity ye-HPMC ihambelana ngokulinganayo kubushushu, oko kukuthi, i-viscosity inyuka njengoko ubushushu bunciphisa. Ngokwesiqhelo sibhekisa kwimveliso yemveliso, ebhekisele kwisiphumo sovavanyo lwesisombululo se-2% yeqondo lobushushu le-20 degrees Celsius.

Kwizicelo ezisebenzayo, kwiindawo ezinomahluko wamaqondo obushushu obukhulu phakathi kwehlobo nasebusika, kufuneka kuqatshelwe ukuba kuyacetyiswa ukuba usebenzise i-viscofity esezantsi ebusika, okukhululekileyo ekwakheni. Ngaphandle koko, xa iqondo lobushushu liphantsi, uVekyusi we-seluplose uya kunyuka, kwaye xa i-batch ikhutshiwe, isandla siya kuba nzima.

I-vickosity ephakathi: 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 okuphezulu, udaka akukho lula ukuwa, i-SAG, kunye nokuphucula ulwakhiwo.

Kodwa ngokubanzi, ukuphakama kwamehlo, okungcono ukugcinwa kwamanzi. Ke ngoko, izinto ezininzi zodaka ezomileyo zijonga iindleko kwaye zithathe indawo ye-vissium ye-villase (20000-40000) kunye ne-vissium ye-villasity yeselula (75000-100000) ukunciphisa isixa esongezelelweyo. .