Ubuninzi obuphantsi: I-400 isetyenziselwa ikakhulu udongwe oluzilinganiselayo, kodwa ngokubanzi ingeniswa kwamanye amazwe.
Isizathu: Ubunzima obuphantsi, ukugcinwa kwamanzi kakubi, kodwa iipropati ezilungileyo zokulinganisa, uxinano oluphezulu lwe-mortar.
I-viscosity ephakathi nephantsi: I-20000-40000 isetyenziselwa ikakhulu i-tile adhesive, i-caulking agent, i-anti-crack mortar, i-thermal insulation bonding mortar, njl.
Izizathu: Ukusebenza kakuhle, amanzi amancinci ongeziweyo, kunye noxinano olukhulu lwedaka.
1. Ziziphi iindlela eziphambili zokusebenzisa i-hydroxypropyl methylcellulose (HPMC)?
——A: I-HPMC isetyenziswa kakhulu kwizixhobo zokwakha, kwiingubo, kwiiresini zokwenziwa, kwiiseramikhi, kumayeza, ekutyeni, kwimpahla, kwezolimo, kwizinto zokuthambisa, kwicuba nakwamanye amashishini. I-HPMC inokwahlulwahlulwa ibe: umgangatho wokwakha, umgangatho wokutya kunye nomgangatho wamayeza ngokwendlela esetyenziswa ngayo. Okwangoku, uninzi lweemveliso zasekhaya zikumgangatho wokwakha. Kwinqanaba lokwakha, umgubo we-putty usetyenziswa kakhulu, malunga ne-90% isetyenziselwa umgubo we-putty, kwaye okuseleyo kusetyenziselwa udoti wesamente kunye neglu.
2. Zingaphi iintlobo ze-hydroxypropyl methylcellulose (HPMC) ezikhoyo? Zithini iindlela ezisetyenziswa ngazo?
——A: I-HPMC inokwahlulwa ibe yi-instant type kunye ne-hot melt type. Iimveliso ezikhawulezileyo ziyasasazeka ngokukhawuleza emanzini abandayo kwaye zinyamalale emanzini. Ulwelo aluna-viscosity ngeli xesha kuba i-HPMC isasazeka kuphela emanzini kwaye ayinyibiliki ngokwenene. Emva kwemizuzu emi-2, i-viscosity yolwelo iyanda kancinci kwaye kwenziwa i-colloid ebonakalayo ethambileyo. Iimveliso ezinyibilikayo ezishushu zinokusasazeka ngokukhawuleza emanzini ashushu kwaye zinyamalale emanzini ashushu xa zidibana namanzi abandayo. Xa ubushushu buhla bufikelela kubushushu obuthile (imveliso yenkampani yethu yi-65 degrees Celsius), i-viscosity ibonakala kancinci de kwenziwe i-viscous ebonakalayo ethambileyo. Uhlobo lwe-hot melt lunokusetyenziswa kuphela kwi-putty powder kunye ne-mortar. Kwi-liquid glue kunye nepeyinti, kuya kubakho ukuxinana kwaye akunakusetyenziswa. Uhlobo olukhawulezileyo lunoluhlu olubanzi lwezicelo. Lungasetyenziselwa i-putty powder, i-mortar, i-liquid glue, kunye nepeyinti ngaphandle kokuchasana.
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 emva kokuba ipholile. Iindlela ezimbini eziqhelekileyo zichazwe ngezantsi:
1) Faka amanzi ashushu afunekayo kwisitya uze uwafudumeze ukuya kuthi ga kwi-70℃. Yongeza kancinci kancinci i-hydroxypropyl methylcellulose ngokuyixuba kancinci. Ekuqaleni i-HPMC iyadada phezu kwamanzi, ize iqale ibe luthuli, ize iphole ngokuyixuba kancinci.
2). Yongeza i-1/3 okanye i-2/3 yobungakanani bamanzi obufunekayo kwisikhongozeli, uyifudumeze ukuya kuma-70°C, usasaze i-HPMC ngokwendlela eku-1), kwaye ulungise i-slurry yamanzi ashushu; emva koko yongeza amanzi abandayo aseleyo kwi-slurry yamanzi ashushu. Faka i-slurry emanzini, uvuselele kwaye upholise umxube.
Indlela yokuxuba umgubo: Xuba umgubo we-HPMC kunye nezinye izinto ezininzi ezinjengomgubo, udibanise kakuhle nge-blender, uze wongeze amanzi ukuze unyibilike. Ngeli xesha, i-HPMC inokunyibilika kwaye ayizukuxubana, kuba kukho intwana encinci ye-HPMC kwinxalenye nganye. Ikona encinci. Umgubo uyanyibilika ngoko nangoko xa udibana namanzi. ——Abavelisi be-putty powder kunye ne-mortar bayayisebenzisa le ndlela. I-Hydroxypropyl methylcellulose (HPMC) isetyenziswa njengesithambisi kunye ne-arhente yokugcina amanzi kwi-putty powder mortar.
4. Ungawugweba njani umgangatho we-hydroxypropyl methylcellulose (HPMC) ngokulula nangokuqondakalayo?
——Impendulo: (1) Ubumhlophe: Nangona ubumhlophe bungachazi ukuba kulula na ukusebenzisa i-HPMC, ukuba izikhanyisi zongezwa ngexesha lenkqubo yemveliso, ziya kuchaphazela umgangatho wayo. Nangona kunjalo, uninzi lweemveliso ezilungileyo zinobumhlophe obuhle. (2) Ubumhlophe: Ubumhlophe be-HPMC ngokubanzi buyi-80 mesh kunye ne-100 mesh, kunye ne-120 mesh incinci. Uninzi lwe-HPMC eveliswa eHebei yi-80 mesh. Okukhona incinci kokukhona incinci kokukhona ingcono. (3) Ukuhanjiswa kokukhanya: Faka i-hydroxypropyl methylcellulose (HPMC) emanzini ukuze wenze i-colloid ecacileyo, kwaye ujonge ukuhanjiswa kwayo kokukhanya. Okukhona ukuhanjiswa kokukhanya kuphezulu, kokukhona kulungileyo, okubonisa ukuba kukho izinto ezinganyibiliki kakhulu ngaphakathi. Ukungena komoya kwee-reactors ezithe nkqo ngokubanzi kungcono kunokwee-reactors ezithe nkqo, kodwa akunakuthiwa umgangatho wee-reactors ezithe nkqo ungcono kunowee-reactors ezithe nkqo. Kukho izinto ezininzi ezimisela umgangatho wemveliso. (4) Ubumhlophe obuthile: Okukhona ububunzima obukhulu kwaye ubunzima bukhulu, kokukhona bungcono. Ubunzima obuthile bubangelwa yinxalenye ephezulu ye-hydroxypropyl kuyo. Okukhona iphezulu i-hydroxypropyl, kokukhona igcina amanzi kakuhle.
5. Ingakanani idosi ye-hydroxypropyl methylcellulose (HPMC) kwi-putty powder?
——Impendulo: Umlinganiselo we-HPMC kwiindlela zokwenyani uyahluka ngokwemozulu, ubushushu, umgangatho we-calcium yomlotha wendawo, kunye nefomyula yokufaka. Umgubo we-ty kunye "nomgangatho ofunekayo kumthengi". Ngokubanzi, uphakathi kwe-4kg kunye ne-5kg. Umzekelo, uninzi lwe-putty powder eBeijing yi-5 kg; uninzi lwe-putty powder eGuizhou yi-5 kg ehlotyeni kunye ne-4.5 kg ebusika;
6. Ithini i-viscosity efanelekileyo ye-hydroxypropyl methylcellulose (HPMC)?
——Impendulo: Umgubo wePutty udla ngokubiza i-100,000 yuan, kwaye i-mortar ifuna ngaphezulu, ngoko ke i-150,000 yuan yanele. Kwaye owona msebenzi ubalulekileyo we-HPMC kukugcina amanzi, kulandele ukuqina. Kwi-putty powder, ukuba nje inokugcina amanzi kakuhle kunye ne-viscosity ephantsi (70,000-80,000), kulungile. Kakade ke, xa i-viscosity iphezulu, kokukhona igcina amanzi ngcono. Xa i-viscosity idlula i-100,000, i-viscosity ayinampembelelo ingako ekugcinweni kwamanzi.
7. Ziziphi izalathisi eziphambili zobugcisa ze-hydroxypropyl methylcellulose (HPMC)?
——A: Umxholo we-hydroxypropyl kunye ne-viscosity, uninzi lwabasebenzisi luxhalabile ngezi mpawu zimbini. Okukhona umxholo we-hydroxypropyl uphezulu, kokukhona ukugcinwa kwamanzi kuphezulu. Xa i-viscosity ephezulu, ukugcinwa kwamanzi kubhetele (hayi ngokupheleleyo), kwaye xa i-viscosity ephezulu, kungcono ukuyisebenzisa kwi-samente mortar.
8. Zeziphi izinto eziphambili ze-hydroxypropyl methylcellulose (HPMC)?
—— A: Izinto eziphambili ze-hydroxypropyl methylcellulose (HPMC): umqhaphu ocoliweyo, i-methyl chloride, i-propylene oxide, ezinye izinto ezikrwada ziquka i-caustic soda, i-asidi, i-toluene, i-isopropyl alcohol, njl.
9. Yintoni indima ephambili ye-HPMC ekusetyenzisweni komgubo we-putty? Ngaba inefuthe leekhemikhali?
——Impendulo: I-HPMC inemisebenzi emithathu ephambili yokuqina, ukugcinwa kwamanzi kunye nokwakhiwa kwi-putty powder. Ukuqina: I-Cellulose inokujiyisa ukumiswa, igcine isisombululo sifana kwaye imelane nokuwa. Ukugcinwa kwamanzi: Yenza i-putty powder yome kancinci kwaye incede ukusabela kwe-calcium engwevu phantsi kwesenzo samanzi. Ukwakhiwa: I-Cellulose inefuthe lokuthambisa kwaye ingenza i-putty powder isebenze kakuhle. I-HPMC ayithathi nxaxheba kuyo nayiphi na i-chemical reactions kwaye idlala indima yokuncedisa kuphela. Xa i-putty powder yongezwa emanzini kwaye isetyenziswe eludongeni, kuya kwenzeka i-chemical reaction. Njengoko into entsha isenziwa, i-putty powder eludongeni isuswa eludongeni kwaye icolwe ibe yi-powder ngaphambi kokusetyenziswa. Oku akusebenzi kuba into entsha (i-calcium carbonate) yenziwe. ) phezulu. Izinto eziphambili ze-gray 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-gray calcium iyanyibilika emanzini nasemoyeni i-CO2 Phantsi kwesenzo se-calcium carbonate, i-HPMC igcina amanzi kuphela kwaye inceda i-gray calcium ukuba isabele ngcono, kwaye ayithathi nxaxheba kuyo nayiphi na i-reaction ngokwayo.
10. I-HPMC yi-non-ionic cellulose ether, ngoko ke yintoni engeyiyo ionic?
A: Ngokwendlela eqhelekileyo, ii-non-ions zizinto ezingayiyoni emanzini. Ionization yinkqubo apho ii-electrolytes zihlukana zibe zii-ions ezitshajiweyo ezihamba ngokukhululekileyo kwizinyibilikisi ezithile (umz., amanzi, utywala). Umzekelo, i-sodium chloride (NaCl), ityuwa esetyenziswa yonke imihla, iyanyibilika emanzini ize i-ion, ivelise ii-ions ze-sodium ezitshajiweyo ngokukhululekileyo (Na+) kunye nee-ions ze-chloride ezitshajiweyo ngokungafanelekanga (Cl). Oko kukuthi, xa i-HPMC ifakwa emanzini, ayihlukani ibe zii-ions ezitshajiweyo, kodwa ikhona kwimo ye-molecular.
Ixesha lokuthumela: Feb-06-2024