1. Yintoni eyona nto isetyenziswayo ye-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-HPMC isetyenziswa kakhulu kwizinto zokwakha, iingubo, iireyini zokwenziwa, iiseramikhi, amayeza, ukutya, amalaphu, ezolimo, izithambiso, icuba kunye namanye amashishini. I-HPMC inokohlulwa ibe yibakala lokwakha, ibakala lokutya kunye nebakala lamayeza ngokwenjongo. Okwangoku, uninzi lweemveliso zasekhaya zikumgangatho wokwakha. Kwibakala lokwakha, i-putty powder isetyenziswe kwisixa esikhulu, malunga ne-90% isetyenziselwa i-putty powder, kwaye intsalela isetyenziselwa udaka lwesamente kunye neglue.
2. Kukho iintlobo ezininzi ze-hydroxypropyl methylcellulose (HPMC), kwaye yintoni umahluko ekusebenziseni kwabo?
Impendulo: I-HPMC inokohlulwa ibe luhlobo olukhawulezileyo kunye nohlobo lokuchithwa okushushu. Iimveliso zohlobo olukhawulezayo zisasazeka ngokukhawuleza emanzini abandayo kwaye zinyamalale emanzini. Ngeli xesha, ulwelo akukho viscosity kuba HPMC isasazwe kuphela emanzini ngaphandle ukunyibilika real. Malunga nemizuzu emi-2, i-viscosity yolwelo iyanda ngokuthe ngcembe, yenze i-colloid ebonakalayo ebonakalayo. Iimveliso ezincibilikisiweyo ezishushu, xa zidibene namanzi abandayo, ziyakwazi ukusasazeka ngokukhawuleza emanzini ashushu kwaye zinyamalale emanzini ashushu. Xa amaqondo obushushu ehla ukuya kubushushu obuthile (imveliso yenkampani yethu ngama-65 ngokukaCelsius), i-viscosity ibonakala ngokucothayo de yenze i-viscous colloid ecacileyo. Uhlobo lwe-hot-melt lunokusetyenziswa kuphela kwi-putty powder kunye nodaka. Kwiglue yolwelo kunye nepeyinti, kuya kubakho i-grouping phenomenon kwaye ayinakusetyenziswa. Uhlobo olukhawulezileyo lunoluhlu olubanzi lwezicelo. Ingasetyenziselwa kwi-putty powder kunye nodaka, kunye neglue yamanzi kunye nepeyinti, ngaphandle kokuchasana.
3. Ziziphi iindlela zokuchithwa kwe-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Indlela yokuchithwa kwamanzi ashushu: Ekubeni i-HPMC inganyibiliki emanzini ashushu, i-HPMC inokusasazwa ngokulinganayo emanzini ashushu kwinqanaba lokuqala, kwaye inyibilike ngokukhawuleza xa ipholisa. Iindlela ezimbini eziqhelekileyo zichazwa ngolu hlobo lulandelayo:
1) Beka umlinganiselo ofunekayo wamanzi ashushu kwisikhongozeli kwaye ufudumale ukuya kuma-70°C. I-hydroxypropyl methylcellulose yongezwa ngokuthe ngcembe phantsi kokuvuselela okucothayo, ekuqaleni i-HPMC yadada phezu kwamanzi, kwaye ngokuthe ngcembe yenze i-slurry, eyapholiswa phantsi kokuvuselela.
2), yongeza i-1/3 okanye i-2/3 yomthamo ofunekayo wamanzi kwisitya, kwaye ushushu ube ngu-70 ° C, usasaze i-HPMC ngokwendlela ye-1), kwaye ulungiselele udaka lwamanzi ashushu; uze udibanise umlinganiselo oseleyo wamanzi abandayo kwi-slurry yamanzi ashushu, umxube wapholiswa emva kokuvuselela.
Indlela yokuxuba umgubo: xuba i-HPMC yomgubo kunye nesixa esikhulu sezinye izinto ezinomgubo, xuba ngokucokisekileyo kunye nomxube, uze wongeze amanzi ukuze unyibilike, emva koko i-HPMC inokunyibilika ngeli xesha ngaphandle kokudibanisa, kuba kukho i-HPMC encinci kuphela kuyo yonke into encinci. ikona Powder, iya kunyibilika ngokukhawuleza xa udibana namanzi. ——Umgubo weputty kunye nabavelisi bodaka basebenzisa le ndlela. [I-Hydroxypropyl methylcellulose (HPMC) isetyenziswa njenge-thickener kunye ne-arhente yokugcina amanzi kwi-putty powder mortar. ]
4. Indlela yokugweba umgangatho we-hydroxypropyl methylcellulose (HPMC) ngokulula kunye ne-intuitively?
Impendulo: (1) Ubumhlophe: Nangona ubumhlophe bungenakucacisa ukuba i-HPMC kulula ukuyisebenzisa, kwaye ukuba i-agent emhlophe yongezwa ngexesha lenkqubo yokuvelisa, iya kuchaphazela umgangatho wayo. Nangona kunjalo, uninzi lweemveliso ezilungileyo zinobumhlophe obuhle. (2) Ukulunga: Ukulunga kwe-HPMC ngokubanzi kune-80 mesh kunye ne-100 mesh, kunye ne-120 mesh ingaphantsi. Uninzi lwe-HPMC eveliswe eHebei yi-80 mesh. Okukhona ukucoleka, xa sithetha ngokubanzi, kungcono. (3) Ukuhanjiswa kokukhanya: faka i-hydroxypropyl methylcellulose (HPMC) emanzini ukwenza i-colloid ebonakalayo, kwaye ujonge ukukhanya kwayo. Okukhona ukuhanjiswa kokukhanya, kungcono, kubonisa ukuba kukho izinto ezinganyibilikiyo kangako kuyo. . Ukungena kwereactors ezithe nkqo kulungile, kwaye oko kwereactors ezixwesileyo kubi kakhulu, kodwa ayithethi ukuba umgangatho weereactors ezithe nkqo ungcono kunolo weereactor ezithe tye, kwaye umgangatho wemveliso umiselwa yimiba emininzi. (4) Umxhuzulane okhethekileyo: Okukhona umkhulu umxhuzulane othile, kokukhona unzima ngakumbi. Ubuncinci bukhulu, ngokuqhelekileyo ngenxa yokuba umxholo weqela le-hydroxypropyl kuwo uphezulu, kwaye umxholo weqela le-hydroxypropyl liphezulu, ukugcinwa kwamanzi kungcono.
5. Yintoni ubungakanani be-hydroxypropyl methylcellulose (HPMC) kwi-putty powder?
Impendulo: Isixa se-HPMC esisetyenziswe kwizicelo eziphathekayo siyahluka ngokuxhomekeke kwimozulu, ukushisa, umgangatho we-calcium ash ash yendawo, ifomula ye-putty powder kunye "nomgangatho ofunwa ngabathengi". Ngokuqhelekileyo, phakathi kwe-4 kg kunye ne-5 kg. Umzekelo: ininzi ye-putty powder e-Beijing yi-5 kg; ininzi ye-putty powder e-Guizhou yi-5 kg ehlotyeni kunye ne-4.5 kg ebusika; inani le-putty eYunnan lincinci, ngokubanzi i-3 kg ukuya kwi-4 kg, njl.
6. Yintoni i-viscosity efanelekileyo ye-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-Putty powder ngokuqhelekileyo yi-yuan eyi-100,000, kwaye iimfuno zodaka ziphezulu, kwaye i-yuan eyi-150,000 iyadingeka ukuze kusetyenziswe lula. Ngaphezu koko, owona msebenzi ubalulekileyo we-HPMC kukugcina amanzi, kulandelwa kukuqina. Kwi-putty powder, ngokude nje ukugcinwa kwamanzi kulungile kwaye i-viscosity iphantsi (i-70,000-80,000), nayo inokwenzeka. Ngokuqinisekileyo, ukuphakama kwe-viscosity, ngcono ukugcinwa kwamanzi okuhambelanayo. Xa i-viscosity idlula i-100,000, i-viscosity iya kuchaphazela ukugcinwa kwamanzi. Akusekho kakhulu.
7. Ziziphi iimpawu eziphambili zezobugcisa ze-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Umxholo we-Hydroxypropyl kunye ne-viscosity, abaninzi abasebenzisi banenkxalabo malunga nezi zikhombisi zimbini. Abo banomxholo ophezulu we-hydroxypropyl ngokubanzi banokugcinwa kwamanzi okungcono. Lowo une-viscosity ephezulu unokugcinwa kwamanzi okungcono, ngokulinganayo (kungekhona ngokupheleleyo), kwaye lowo une-viscosity ephezulu isetyenziswe kangcono kwi-samente mortar.
8. Ziziphi ezona zixhobo ziphambili ze-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Izinto eziphambili ze-hydroxypropyl methylcellulose (HPMC): i-cotton ecocekileyo, i-methyl chloride, i-propylene oxide, kunye nezinye izinto eziluhlaza, i-caustic soda, i-asidi, i-toluene, i-isopropanol, njl.
9. Yintoni umsebenzi oyintloko wokusetyenziswa kwe-HPMC kwi-putty powder, kwaye ngaba kwenzeka ngamakhemikhali?
Impendulo: Kwi-putty powder, i-HPMC idlala iindima ezintathu zokuqina, ukugcinwa kwamanzi kunye nokwakhiwa. Ukujiya: Iselulosi inokujiya ukuze inqunyanyiswe kwaye igcine iyunifomu yesisombululo inyuka naphantsi, kwaye imelane nokudodobala. Ukugcinwa kwamanzi: yenza i-putty powder yome kancinci, kwaye uncedise i-calcium yothuthu ukuba isabele phantsi kwesenzo samanzi. Ukwakhiwa: I-Cellulose inefuthe lokuthambisa, elinokwenza ukuba i-putty powder ibe nokwakhiwa kakuhle. I-HPMC ayithathi nxaxheba kuyo nayiphi na intshukumo yeekhemikhali, kodwa idlala indima encedisayo kuphela. Ukongeza amanzi kwi-putty powder kunye nokuyibeka eludongeni kukusabela kweekhemikhali, kuba izinto ezintsha zenziwe. Ukuba ususa i-putty powder eludongeni eludongeni, ugaye ube ngumgubo, kwaye uyisebenzise kwakhona, ayiyi kusebenza ngenxa yokuba izinto ezintsha (i-calcium carbonate) zenziwe. ) nayo. Amacandelo aphambili omgubo we-ash calcium zezi: umxube weCa(OH)2, iCaO kunye nentwana yeCaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O Ash calcium emanzini nasemoyeni Ngaphantsi kwesenzo se-CO2, i-calcium carbonate yenziwe, ngelixa i-HPMC igcina amanzi kuphela, incedisa ukusabela okungcono kwe-ash calcium, kwaye ayithathi nxaxheba kuyo nayiphi na impendulo ngokwayo.
10. I-HPMC yi-ether ye-cellulose engekho i-ionic, ngoko yintoni i-non-ionic?
Impendulo: Ngokuqhelekileyo, i-non-ion yinto engayi ku-iyoni emanzini. Ionization ibhekisela kwinkqubo apho i-electrolyte idityaniswe kwii-ion ezihlawulisiweyo ezinokuhamba ngokukhululekile kwi-solvent ethile (njengamanzi, utywala). Ngokomzekelo, i-sodium chloride (NaCl), ityuwa esiyidla yonke imihla, inyibilika emanzini kwaye i-ionizes ukuvelisa i-ion ze-sodium ezihamba ngokukhululekileyo (Na +) ezihlawuliswa kakuhle kunye ne-chloride ion (Cl) ehlawuliswa kakubi. Oko kukuthi, xa i-HPMC ifakwe emanzini, ayiyi kuhlukana kwii-ion ezihlawuliswayo, kodwa zikhona ngendlela yeemolekyuli.
11. Yintoni ubushushu bejeli ye-hydroxypropyl methylcellulose enxulumene nayo?
Impendulo: Ubushushu be-gel ye-HPMC ihambelana nomxholo wayo we-methoxy, i-methoxy ephantsi umxholo we-methoxy ↓, ukuphakama kwe-gel ↑.
12. Ngaba kukho ubudlelwane phakathi kokuhla kwe-putty powder kunye ne-HPMC?
Impendulo: Ukulahlekelwa ngumgubo we-putty powder kuhambelana ikakhulu nomgangatho we-ash calcium, kwaye ayinanto encinci ne-HPMC. Umxholo ophantsi we-calcium we-gray calcium kunye nomlinganiselo ongafanelekanga we-CaO kunye ne-Ca (OH) i-2 kwi-gray calcium iya kubangela ukulahleka kwepowder. Ukuba inento yokwenza ne-HPMC, ngoko ukuba i-HPMC inokugcinwa kwamanzi okungahambi kakuhle, kuya kubangela ukulahlekelwa ngumgubo. Ngezizathu ezithile, nceda ujonge kumbuzo 9.
13. Uthini umahluko phakathi kohlobo olukhawulezayo lwamanzi abandayo kunye nohlobo olunonyibiliko olushushu lwe-hydroxypropyl methylcellulose kwinkqubo yokuvelisa?
Impendulo: Uhlobo olukhawulezayo lwamanzi abandayo lwe-HPMC luphathwa phezulu nge-glyoxal, kwaye lusasazeka ngokukhawuleza emanzini abandayo, kodwa alunyibiliki ngokwenene. Ichithwa kuphela xa i-viscosity inyuka. Iintlobo ezishushu ezinyibilikayo aziphathwa ngomphezulu nge-glyoxal. Ukuba inani le-glyoxal likhulu, ukusabalalisa kuya kukhawuleza, kodwa i-viscosity iya kwanda ngokukhawuleza, kwaye ukuba isixa sincinci, okuchaseneyo kuya kuba yinyani.
14. Yintoni ivumba le-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-HPMC eveliswa yindlela ye-solvent isebenzisa i-toluene kunye ne-isopropanol njenge-solvents. Ukuba ukuhlamba akulunganga kakhulu, kuya kubakho ivumba elishiyekileyo.
15. Indlela yokukhetha i-hydroxypropyl methylcellulose (HPMC) efanelekileyo ngeenjongo ezahlukeneyo?
Impendulo: Ukusetyenziswa kwe-putty powder: iimfuno zincinci, kwaye i-viscosity yi-100,000, eyaneleyo. Into ebalulekileyo kukugcina amanzi kakuhle. Ukusetyenziswa komdaka: iimfuno eziphezulu, i-viscosity ephezulu, i-150,000 ingcono. Ukusetyenziswa kweglue: iimveliso ezikhawulezayo ezine-viscosity ephezulu ziyafuneka.
16. Leliphi elinye igama le-hydroxypropyl methylcellulose?
Impendulo: Hydroxypropyl Methyl Cellulose, IsiNgesi: Hydroxypropyl Methyl Cellulose Isifinyezo: HPMC okanye MHPC Alias: Hypromellose; i-cellulose hydroxypropyl methyl ether; I-Hypromellose, iSelulosi, i-2-hydroxypropyl methyl Cellulose ether. I-Cellulose hydroxypropyl methyl ether Hyprolose.
17. Ukusetyenziswa kwe-HPMC kwi-putty powder, yintoni isizathu se-bubbles kwi-putty powder?
Impendulo: Kwi-putty powder, i-HPMC idlala iindima ezintathu zokuqina, ukugcinwa kwamanzi kunye nokwakhiwa. Musa ukuthatha inxaxheba kuzo naziphi na iimpendulo. Izizathu zamaqamza: 1. Beka amanzi amaninzi kakhulu. 2. Umaleko ongezantsi awusomile, vele ukhuphe enye ingqimba phezulu, kwaye kulula ukuphosa amagwebu.
18. Iyintoni ifomyula ye-putty yeendonga zangaphakathi nangaphandle?
Impendulo: Udonga lwangaphakathi lwe-putty powder: i-calcium enzima 800KG, i-calcium engwevu 150KG (isitashi se-ether, uhlaza olucocekileyo, umhlaba wePengrun, i-citric acid, i-polyacrylamide, njl.
I-putty eludongeni lwangaphandle: i-samente 350KG i-calcium enzima 500KG isanti yequartz 150KG latex powder 8-12KG i-cellulose ether 3KG isitashi se-ether 0.5KG ifayibha yomthi 2KG
Ixesha lokuposa: Dec-13-2022