1. Yintoni eyona nto isetyenziswa kakhulu yi-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-HPMC isetyenziswa kakhulu kwizixhobo zokwakha, ii-coating, ii-synthetic resins, ii-ceramics, amayeza, ukutya, amalaphu, ezolimo, izinto zokuthambisa, icuba kunye neminye imboni. I-HPMC inokwahlulwa ibe yi-design grade, food grade kunye ne-pharmacy grade ngokwenjongo. Okwangoku, uninzi lweemveliso zasekhaya zi-design grade. Kwi-design grade, i-putty powder isetyenziswa kakhulu, malunga ne-90% isetyenziselwa i-putty powder, kwaye enye isetyenziselwa i-samente mortar kunye ne-glue.
2. Kukho iintlobo ezahlukeneyo ze-hydroxypropyl methylcellulose (HPMC), kwaye yintoni umahluko kwindlela ezisetyenziswa ngayo?
Impendulo: I-HPMC inokwahlulwahlulwa ibe yi-instant type kunye ne-hot-dissolution type. Iimveliso ze-instant type ziyasasazeka ngokukhawuleza emanzini abandayo kwaye zinyamalale emanzini. Ngeli xesha, ulwelo aluna-viscosity kuba i-HPMC isasazeka kuphela emanzini ngaphandle kokunyibilika ngokwenene. Malunga nemizuzu emi-2, i-viscosity yolwelo iyanda kancinci kancinci, yenze i-transparent viscous colloid. Iimveliso ze-hot-melt, xa zidibene namanzi abandayo, zinokusasazeka ngokukhawuleza emanzini ashushu kwaye zinyamalale emanzini ashushu. Xa ubushushu buhla bufikelela kubushushu obuthile (imveliso yenkampani yethu yi-65 degrees Celsius), i-viscosity ibonakala kancinci ide yenze i-transparent viscous colloid. Uhlobo lwe-hot-melt lunokusetyenziswa kuphela kwi-putty powder kunye ne-mortar. Kwi-liquid glue kunye nepeyinti, kuya kubakho i-grouping phenomenon kwaye ayinakusetyenziswa. Uhlobo lwe-instant lunoluhlu olubanzi lwezicelo. Lunokusetyenziswa kwi-putty powder kunye ne-mortar, kunye ne-liquid glue kunye nepeyinti, ngaphandle kweziphazamiso.
3. Ziziphi iindlela zokunyibilikisa i-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Indlela yokunyibilikisa amanzi ashushu: Ekubeni i-HPMC inganyibiliki emanzini ashushu, i-HPMC ingasasazeka ngokulinganayo emanzini ashushu kwinqanaba lokuqala, ize inyibilike ngokukhawuleza xa iphola. Iindlela ezimbini eziqhelekileyo zichazwe ngolu hlobo lulandelayo:
1) Faka amanzi ashushu afunekayo kwisitya uze uwafudumeze ukuya kuthi ga kwi-70°C. I-hydroxypropyl methylcellulose yongezwa kancinci kancinci xa ixutywa kancinci, ekuqaleni i-HPMC yadada phezu kwamanzi, yaza yakha i-slurry kancinci kancinci, eyapholiswa xa ixutywa.
2), yongeza i-1/3 okanye i-2/3 yobungakanani bamanzi obufunekayo kwisikhongozeli, uze uyifudumeze ukuya kuma-70°C, usasaze i-HPMC ngokwendlela ye-1), uze ulungise i-slurry yamanzi ashushu; uze wongeze amanzi abandayo aseleyo kwi-slurry yamanzi ashushu, umxube upholiswe emva kokuxutywa.
Indlela yokuxuba umgubo: xuba umgubo we-HPMC kunye nezinye izinto ezininzi ezinjengomgubo, xuba kakuhle ngomxube, uze wongeze amanzi ukuze unyibilike, emva koko i-HPMC inokunyibilika ngeli xesha ngaphandle kokuhlanganiswa, kuba kukho i-HPMC encinci kwikona nganye encinci. Umgubo uya kunyibilika ngoko nangoko xa udibana namanzi. ——Abavelisi be-Putty powder kunye ne-mortar basebenzisa le ndlela. [I-Hydroxypropyl methylcellulose (HPMC) isetyenziswa njenge-thickener kunye ne-arhente yokugcina amanzi kwi-putty powder mortar.]
4. Ungawugweba njani umgangatho we-hydroxypropyl methylcellulose (HPMC) ngokulula nangokuqondakalayo?
Impendulo: (1) Ubumhlophe: Nangona ubumhlophe bungenakukwazi ukumisela ukuba kulula na ukusebenzisa i-HPMC, kwaye ukuba ii-agents zokwenza mhlophe zongezwa ngexesha lenkqubo yemveliso, ziya kuchaphazela umgangatho wayo. Nangona kunjalo, uninzi lweemveliso ezilungileyo zinobumhlophe obuhle. (2) Ubumhlophe: Ubumhlophe be-HPMC ngokubanzi bune-mesh engama-80 kunye ne-100 mesh, kwaye i-120 mesh incinci. Uninzi lwe-HPMC eveliswa eHebei yi-80 mesh. Okukhona ubumhlophe buncinci, ngokubanzi, kokukhona kungcono. (3) Ukuhanjiswa kokukhanya: faka i-hydroxypropyl methylcellulose (HPMC) emanzini ukuze wenze i-colloid ecacileyo, kwaye ujonge ukuhanjiswa kokukhanya kwayo. Okukhona ukuhanjiswa kokukhanya kukhulu, kokukhona kungcono, okubonisa ukuba akukho nto inganyibilikiyo kuyo. . Ukuvuleka kwee-reactors ezithe nkqo ngokubanzi kulungile, kwaye oko kwee-reactors ezithe nkqo kubi, kodwa akuthethi ukuba umgangatho wee-reactors ezithe nkqo ungcono kunowee-reactors ezithe nkqo, kwaye umgangatho wemveliso umiselwa zizinto ezininzi. (4) Ubumhlophe obuthile: Okukhona ubumhlophe obuthile bukhulu, kokukhona ubunzima bungcono. Ukucaciswa kukhulu, ngokubanzi kuba umxholo weqela le-hydroxypropyl kuyo uphezulu, kwaye umxholo weqela le-hydroxypropyl uphezulu, ukugcinwa kwamanzi kungcono.
5. Ingakanani i-hydroxypropyl methylcellulose (HPMC) kwi-putty powder?
Impendulo: Ubungakanani be-HPMC obusetyenziswayo kwiindlela ezisebenzayo buyahluka ngokuxhomekeke kwimozulu, ubushushu, umgangatho we-calcium yomlotha yasekuhlaleni, ifomula ye-putty powder kunye "nomgangatho ofunekayo kubathengi". Ngokubanzi, phakathi kwe-4 kg kunye ne-5 kg. Umzekelo: uninzi lwe-putty powder eBeijing yi-5 kg; uninzi lwe-putty powder eGuizhou yi-5 kg ehlotyeni kunye ne-4.5 kg ebusika; ubungakanani be-putty eYunnan buncinci, ngokubanzi ukusuka kwi-3 kg ukuya kwi-4 kg, njl.njl.
6. Ithini i-viscosity efanelekileyo ye-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Umgubo wePutty ngokubanzi yi-100,000 yuan, kwaye iimfuno ze-mortar ziphezulu, kwaye i-150,000 yuan iyafuneka ukuze kube lula ukuyisebenzisa. Ngaphezu koko, owona msebenzi ubalulekileyo we-HPMC kukugcina amanzi, kulandele ukuqina. Kwi-putty powder, ukuba nje ukugcinwa kwamanzi kulungile kwaye i-viscosity iphantsi (70,000-80,000), kunokwenzeka. Kakade ke, xa i-viscosity iphezulu, kokukhona i-viscosity iphezulu, kokukhona i-viscosity ingaphezulu kwe-100,000, i-viscosity iya kuchaphazela ukugcinwa kwamanzi. Akusekho kakhulu.
7. Ziziphi izalathisi eziphambili zobugcisa ze-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Ubungakanani be-hydroxypropyl kunye ne-viscosity, uninzi lwabasebenzisi luxhalabile ngezi mpawu zimbini. Abo banomxholo we-hydroxypropyl ophezulu bahlala benokugcina amanzi okungcono. Eyo i-viscosity ephezulu inokugcina amanzi okungcono, ngokwentelekiso (hayi ngokupheleleyo), kwaye leyo i-viscosity ephezulu ingcono ukusetyenziswa kwi-samente mortar.
8. Zeziphi izinto eziphambili ze-hydroxypropyl methylcellulose (HPMC)?
Impendulo: Izinto eziphambili ze-hydroxypropyl methylcellulose (HPMC): umqhaphu ocoliweyo, i-methyl chloride, i-propylene oxide, kunye nezinye izinto ezikrwada, i-caustic soda, i-asidi, i-toluene, i-isopropanol, njl.
9. Yintoni umsebenzi ophambili wokusetyenziswa kwe-HPMC kwi-putty powder, kwaye ngaba kwenzeka ngokweekhemikhali?
Impendulo: Kwi-putty powder, i-HPMC idlala indima ezintathu zokuqina, ukugcinwa kwamanzi kunye nokwakhiwa. Ukuqina: I-Cellulose inokwenziwa ibe nkulu ukuze ixhome kwaye igcine isisombululo sihambelana phezulu nasezantsi, kwaye imelane nokuwa. Ukugcinwa kwamanzi: yenza i-putty powder yome kancinci, kwaye incede i-ash calcium ukuba isabele phantsi kwesenzo samanzi. Ukwakhiwa: I-Cellulose inefuthe lokuthambisa, elinokwenza i-putty powder ibe nokwakhiwa okuhle. I-HPMC ayithathi nxaxheba kuyo nayiphi na i-chemical reactions, kodwa idlala indima yokuncedisa kuphela. Ukongeza amanzi kwi-putty powder kwaye uyibeke eludongeni yi-chemical reaction, kuba izinto ezintsha ziyavela. Ukuba ususa i-putty powder eludongeni eludongeni, uyigaye ibe yi-powder, kwaye uyisebenzise kwakhona, ayizukusebenza kuba izinto ezintsha (i-calcium carbonate) zenziwe. ) nazo. Izinto eziphambili ze-ash calcium powder zezi: umxube we-Ca(OH)2, i-CaO kunye ne-CaCO3 encinci, i-CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O I-ash calcium ikwi-water and air Phantsi kwe-CO2, i-calcium carbonate iveliswa, ngelixa i-HPMC igcina amanzi kuphela, inceda ukusabela ngcono kwe-ash calcium, kwaye ayithathi nxaxheba kuyo nayiphi na i-reaction ngokwayo.
10. I-HPMC yi-non-ionic cellulose ether, ngoko ke yintoni i-non-ionic?
Impendulo: Ngokubanzi, i-non-ion yinto engayi kuyiyoni emanzini. I-ionization ibhekisa kwinkqubo apho i-electrolyte idityaniswe khona ibe zii-ion ezitshajiweyo ezinokuhamba ngokukhululekileyo kwisinyibilikisi esithile (njengamanzi, utywala). Umzekelo, i-sodium chloride (NaCl), ityuwa esiyityayo yonke imihla, iyanyibilika emanzini kwaye iyiyoniswe ukuze ivelise ii-ion zesodium ezihambayo ngokukhululekileyo (Na+) ezitshajiweyo kakuhle kunye nee-ion ze-chloride (Cl) ezitshajiweyo kakubi. Oko kukuthi, xa i-HPMC ifakwa emanzini, ayizukuhlukana ibe zii-ion ezitshajiweyo, kodwa ikhona kwimo yeemolekyuli.
11. Ingakanani iqondo lobushushu lejeli le-hydroxypropyl methylcellulose elinxulumene nayo?
Impendulo: Ubushushu bejeli ye-HPMC bunxulumene nomxholo wayo we-methoxy, okukhona umxholo we-methoxy uphantsi ↓, kokukhona ubushushu bejeli buphezulu ↑.
12. Ngaba kukho ulwalamano phakathi kokuthontsiza komgubo we-putty kunye ne-HPMC?
Impendulo: Ukulahleka komgubo we-putty powder kunxulumene kakhulu nomgangatho we-ash calcium, kwaye akunanto yakwenza ne-HPMC. Umxholo ophantsi we-calcium we-grey calcium kunye nomlinganiselo ongafanelekanga we-CaO kunye ne-Ca(OH)2 kwi-grey calcium kuya kubangela ukulahleka komgubo. Ukuba inento yokwenza ne-HPMC, ke ukuba i-HPMC ayinamanzi aneleyo, iya kubangela nokulahleka komgubo. Ngezizathu ezithile, nceda ujonge umbuzo 9.
13. Yintoni umahluko phakathi kohlobo lwe-cold-water instant kunye nohlobo lwe-hydroxypropyl methylcellulose olunyibilikayo olushushu kwinkqubo yemveliso?
Impendulo: Uhlobo lwe-HPMC olusebenzisa amanzi abandayo ngokukhawuleza lunyangwa nge-glyoxal, kwaye lusasazeka ngokukhawuleza emanzini abandayo, kodwa alunyibiliki ngokwenene. Lunyibilika kuphela xa i-viscosity isanda. Iintlobo ze-hot melt azinyangwa nge-glyoxal kumphezulu. Ukuba ubungakanani be-glyoxal bukhulu, i-dispersion iya kukhawuleza, kodwa i-viscosity iya kunyuka kancinci, kwaye ukuba ubungakanani buncinci, okuchaseneyo kuya kuba yinyani.
14. Lithini ivumba le-hydroxypropyl methylcellulose (HPMC)?
Impendulo: I-HPMC eveliswa yindlela yokunyibilikisa isebenzisa i-toluene kunye ne-isopropanol njengezinyibilikisi. Ukuba ukuhlamba akukuhle kakhulu, kuya kubakho ivumba elishiyekileyo.
15. Ungayikhetha njani i-hydroxypropyl methylcellulose (HPMC) efanelekileyo ngeenjongo ezahlukeneyo?
Impendulo: Ukusetyenziswa komgubo we-putty: iimfuno ziphantsi kakhulu, kwaye i-viscosity yi-100,000, nto leyo eyaneleyo. Into ebalulekileyo kukugcina amanzi kakuhle. Ukusetyenziswa kodaka: iimfuno eziphezulu, i-viscosity ephezulu, i-150,000 ingcono. Ukusetyenziswa kweglu: iimveliso ezikhawulezileyo ezine-viscosity ephezulu ziyafuneka.
16. Liliphi elinye igama le-hydroxypropyl methylcellulose?
Impendulo: I-Hydroxypropyl Methyl Cellulose, isiNgesi: I-Hydroxypropyl Methyl Cellulose Isifinyezo: HPMC okanye i-MHPC Igama elingaqhelekanga: I-Hypromellose; I-Cellulose hydroxypropyl methyl ether; I-Hypromellose, I-Cellulose, i-2-hydroxypropyl methyl I-Cellulose ether. I-Cellulose hydroxypropyl methyl ether I-Hyprolose.
17. Ukusetyenziswa kwe-HPMC kwi-putty powder, yintoni isizathu sokuba kubekho amaqamza kwi-putty powder?
Impendulo: Kwi-putty powder, i-HPMC idlala indima ezintathu zokuqina, ukugcinwa kwamanzi kunye nokwakhiwa. Musa ukuthatha inxaxheba kuyo nayiphi na i-reactions. Izizathu ze-bubbles: 1. Faka amanzi amaninzi. 2. Umaleko osezantsi awomile, vele ukrwele omnye umaleko ngaphezulu, kwaye kulula ukuwufaka igwebu.
18. Yintoni ifomula ye-putty powder kwiindonga zangaphakathi nezangaphandle?
Impendulo: Umgubo weputty wangaphakathi: icalcium enzima eyi-800KG, i-gray calcium eyi-150KG (i-starch ether, uhlaza olucocekileyo, umhlaba wePengrun, i-citric acid, i-polyacrylamide, njl.njl. zingongezwa ngokufanelekileyo)
Umgubo weputty wodonga lwangaphandle: isamente 350KG icalcium enzima 500KG isanti ye-quartz 150KG umgubo welatex 8-12KG i-cellulose ether 3KG i-starch ether 0.5KG ifayibha yomthi 2KG
Ixesha lokuthumela: Disemba-13-2022