1. Ndedzipi nzira dzekunyungudutsa hydroxypropyl methylcellulose HPMC?
Mhinduro: Nzira yekunyungudutsa mvura inopisa: Sezvo HPMC isinganyungudike mumvura inopisa, HPMC inogona kunyungudika zvakaenzana mumvura inopisa pakutanga, yobva yanyungudika nekukurumidza kana yatonhodzwa. Nzira mbiri dzakajairika dzinotsanangurwa seizvi:
1), wedzera 1/3 kana 2/3 yehuwandu hwemvura hunodiwa mumudziyo, woipisa kusvika 70°C, paradzanisa HPMC zvichienderana nenzira ye1), wobva wagadzira slurry yemvura inopisa; wobva wawedzera huwandu hwemvura inotonhora yasara muslurry yemvura inopisa, musanganiswa wacho watonhodzwa mushure mekukurunga.
Nzira yekusanganisa upfu: sanganisa upfu hweHPMC nezvimwe zvinhu zvakawanda zvine upfu, sanganisa zvakanaka nemuchina wekusanganisa, wobva wawedzera mvura kuti inyunguduke, ipapo HPMC inogona kunyungudutswa panguva ino pasina kuungana, nekuti pane HPMC shoma mukona imwe neimwe diki Powder, inonyunguduka pakarepo kana yasangana nemvura. ——Vagadziri vePutty powder nemortar vari kushandisa nzira iyi. [Hydroxypropyl methylcellulose (HPMC) inoshandiswa sechinhu chinosimbisa uye chinochengetedza mvura mumortar yeputty powder.
2) Isa mvura inopisa inodiwa mumudziyo woipisa kusvika pa70°C. Hydroxypropyl methylcellulose yakawedzerwa zvishoma nezvishoma nekukurunga zvishoma nezvishoma, pakutanga HPMC yaiyerera pamusoro pemvura, uye zvishoma nezvishoma yakaumba slurry, iyo yaitonhodzwa nekukurunga.
2. Kune mhando dzakasiyana dze hydroxypropyl methylcellulose HPMC. Ndeipi misiyano iripo pakushandiswa kwadzo?
Mhinduro: Hydroxypropyl methylcellulose HPMC inogona kukamurwa kuita mhando yekukurumidza uye mhando yekupisa. Zvigadzirwa zvemhando yekukurumidza zvinopararira nekukurumidza mumvura inotonhora uye zvinonyangarika mumvura. Panguva ino, mvura haina viscosity, nekuti HPMC inongopararira mumvura chete, hapana kunyunguduka chaiko. Anenge maminetsi maviri, viscosity yemvura inowedzera zvishoma nezvishoma, ichigadzira colloid yakajeka ine viscous. Zvigadzirwa zvinonyunguduka, kana zvikasangana nemvura inotonhora, zvinogona kupararira nekukurumidza mumvura inopisa uye zvinonyangarika mumvura inopisa. Kana tembiricha yadzikira kusvika kune imwe tembiricha, viscosity inoonekwa zvishoma nezvishoma kusvika yagadzira colloid yakajeka ine viscous. Mhando yekupisa inonyunguduka inogona kushandiswa chete muputty powder nemortar. Mu liquid glue nependi, pachava neboka rezviitiko uye hazvigone kushandiswa. Instant type ine mashandisirwo akasiyana-siyana. Inogona kushandiswa muputty powder nemortar, pamwe neliquid glue nependi, pasina chero zvinopesana.
3. Chii chinonyanya kushandiswa nehydroxypropyl methylcellulose (HPMC)?
Mhinduro: HPMC inoshandiswa zvakanyanya muzvinhu zvekuvaka, machira ekuputira, maresini ekugadzira, zviumbwa zvedoro, mishonga, chikafu, machira, kurima, zvizoro, fodya nedzimwe nzvimbo. HPMC inogona kukamurwa kuita: giredhi rekuvaka, giredhi rezvekudya uye giredhi remishonga zvichienderana nekushandiswa. Parizvino, zvigadzirwa zvakawanda zvemumba ndezve giredhi rekuvaka. Mugiredhi rekuvaka, putty powder inoshandiswa zvakanyanya, inenge 90% inoshandiswa putty powder, uye yasara inoshandiswa simende mortar neglue.
4. Ungatonga sei mhando yehydroxypropyl methylcellulose (HPMC) zviri nyore uye nenzira isinganzwisisike?
Mhinduro: (1) Simba guru: Simba guru guru, kurema kuri nani. Chiyero chacho chikuru, kazhinji nekuda kwekuti
(2) Kuchena: Kunyangwe kuchena kusingakwanise kuona kana HPMC iri nyore kushandisa, uye kana mishonga yekuchenesa ikawedzerwa panguva yekugadzira, inokanganisa kunaka kwayo. Zvisinei, zvigadzirwa zvakawanda zvakanaka zvine kuchena kwakanaka.
(3) Kupfava: Kupfava kweHPMC kunowanzova nemambure makumi masere nemembure zana, uye mambure zana nemakumi maviri ishoma. HPMC yakawanda inogadzirwa muHebei ine mambure makumi masere. Kupfava kwayo kunowedzera, ndiko kunowedzera kunaka.
(4) Kutumira chiedza: isa hydroxypropyl methylcellulose (HPMC) mumvura kuti igadzire colloid yakajeka, uye tarisa kutumirwa kwayo kwechiedza. Kutumira chiedza kwakakwira, zviri nani, zvichiratidza kuti hapana zvinhu zvakawanda zvinonyunguduka mairi. . Kupinda kwereactor yakatwasuka kunowanzova kwakanaka, uye kwereactor yakatwasuka kwakaipa, asi hazvirevi kuti mhando yereactor yakatwasuka iri nani pane yereactor yakatwasuka, uye pane zvinhu zvakawanda zvinosarudza mhando yechigadzirwa. Zviri muhydroxypropyl group mairi zvakakwirira, uye zviri muhydroxypropyl group zvakakwirira, uye kuchengetedza mvura kuri nani.
5. Ndezvipi zviratidzo zvikuru zve hydroxypropyl methylcellulose (HPMC)?
Mhinduro: Kuwanda kwehydroxypropyl uye kusviba, vashandisi vazhinji vanonetseka nezvezviratidzo zviviri izvi. Avo vane hydroxypropyl yakawanda vanowanzo chengeta mvura zviri nani. Kusviba kwakanyanya, kuchengetwa kwemvura, zvishoma (pane
6. Chii chinonzi viscosity yakakodzera yehydroxypropyl methylcellulose (HPMC)?
Mhinduro: Upfu hweputty hunowanzova 100,000 yuan, uye zvinodiwa zvemota zvakakwira, uye zviri nyore kushandisa 150,000 yuan. Uyezve, basa guru reHPMC kuchengetedza mvura, richiteverwa nekukora. Muupfu hweputty, chero bedzi mvura iri kuchengetwa zvakanaka uye viscosity yakaderera (70,000-80,000), zvinogonekawo. Ehe, viscosity yakakwira, kuchengetedza mvura kuri nani. Kana viscosity ikadarika 100,000, viscosity inokanganisa kuchengetedza mvura. Hazvichanyanyi kukosha. Zvechokwadi) zviri naniwo, uye viscosity yakakwira, uye zviri nani kushandisa mumota yesimende.
7. Ndezvipi zvinhu zvikuru zve hydroxypropyl methylcellulose (HPMC)?
Mhinduro: Zvinhu zvikuru zve hydroxypropyl methylcellulose (HPMC): donje rakanatswa, methyl chloride, propylene oxide, nezvimwe zvinhu, caustic soda, acid, toluene, isopropanol, nezvimwewo.
8. Ndeipi basa guru rekushandisa HPMC mupudhi yeputty, uye inoitika here nemakemikari?
Mhinduro: Muupfu hweputty, HPMC inoita mabasa matatu ekuwedzera kukora, kuchengetedza mvura uye kuvaka. Kukora: Cellulose inogona kukora kuti irambe yakakora uye ichengetedze mhinduro yakafanana kumusoro nekudzika, uye kudzivirira kudonha. Kuchengetwa kwemvura: kuita kuti upfu hweputty huome zvishoma nezvishoma, uye kubatsira ash calcium kuti iite chiito pasi pesimba remvura. Kuvaka: Cellulose ine mafuta ekuzora, izvo zvinogona kuita kuti upfu hweputty huve nekuvaka kwakanaka. HPMC haibatanidzi mune chero maitiro emakemikari, asi inongoita basa rekubatsira. Kuwedzera mvura kuhupfu hweputty uye kuiisa pamadziro inyaya yemakemikari, nekuti zvinhu zvitsva zvinoumbwa. Kana ukabvisa upfu hweputty pamadziro kubva pamadziro, wohukuya kuita upfu, wohushandisa zvakare, hazvizoshande nekuti zvinhu zvitsva (calcium carbonate) zvaumbwa. ) zvakare. Zvinhu zvikuru zviri muupfu hwecalcium yemadota ndeizvi: musanganiswa weCa(OH)2, CaO uye huwandu hushoma hweCaCO3, CaO+H2O=Ca(OH)2—Ca(OH)2+CO2=CaCO3↓+H2O Kalsiamu yemadota iri mumvura nemhepo Pasi pekushanda kweCO2, calcium carbonate inogadzirwa, nepo HPMC ichingochengeta mvura chete, ichibatsira kuita zviri nani kwecalcium yemadota, uye haibatanidzwi mune chero chiito pachayo.
9. HPMC i-non-ionic cellulose ether, saka chii chinonzi non-ionic?
Mhinduro: Mumashoko evanhuwo zvavo, non-ion chinhu chisingazovi ioni mumvura. Ionization inoreva maitiro apo electrolyte inosanganiswa kuita maion ane chaji anogona kufamba zvakasununguka mune chimwe chinhu chinonyungudutsa (senge mvura, alcohol). Semuenzaniso, sodium chloride (NaCl), munyu watinodya zuva nezuva, unonyunguduka mumvura uye unovimbika kuti ugadzire maion ane sodium anofambiswa (Na+) ane chaji yakanaka uye maion ane chloride (Cl) ane chaji yakaipa. Kureva kuti, kana HPMC ikaiswa mumvura, haizoparadzanisi kuita maion ane chaji, asi inovapo muchimiro chemamorekuru.
10. Pane hukama huripo pakati pedonhwe reputty powder neHPMC here?
Mhinduro: Kurasikirwa nehupfu hweputty powder kunonyanya kukonzerwa nehunhu hwecalcium yemumadota, uye hakuna chekuita neHPMC. Kuderera kwecalcium mugray calcium uye chiyero chisina kunaka cheCaO neCa(OH)2 mugray calcium zvinokonzera kurasikirwa nehupfu. Kana ine chekuita neHPMC, saka kana HPMC isina mvura yakakwana, inokonzerawo kurasikirwa nehupfu.
11. Chii chinoenderana nekupisa kwegel kwehydroxypropyl methylcellulose?
Mhinduro: Kupisa kwejeli kweHPMC kunoenderana nehuwandu hwayo hwemethoxy, kana methoxy iri shoma↓, ndiko kuwedzera kwekupisa kwejeli.
12. Ungasarudza sei hydroxypropyl methylcellulose (HPMC) yakakodzera kune zvinangwa zvakasiyana?
Mhinduro: Kuisa putty powder: zvinodiwa zvakaderera, uye viscosity i100,000, izvo zvakakwana. Chinhu chakakosha kuchengetedza mvura zvakanaka. Kuisa mortar: zvinodiwa zvakanyanya, viscosity yakawanda, 150,000 zviri nani. Kuisa glue: zvigadzirwa zvepakarepo zvine viscosity yakawanda zvinodiwa.
13. Ndeupi musiyano uripo pakati pemhando yemvura inotonhora inokurumidza uye mhando yehydroxypropyl methylcellulose inonyungudika inopisa mukugadzirwa kwayo?
Mhinduro: Rudzi rweHPMC runotonhorera runoiswa pamusoro ne glyoxal, uye runopararira nekukurumidza mumvura inotonhorera, asi harunyungudike zvechokwadi. Runonyungudika chete kana viscosity yawedzera. Mhando dzemvura dzinopisa hadzina kugadziriswa pamusoro ne glyoxal. Kana huwandu hwe glyoxal hwakakura, kupararira kwacho kuchakurumidza, asi viscosity ichawedzera zvishoma nezvishoma, uye kana huwandu hwacho huri hudiki, zvakapesana zvichave zvechokwadi.
14. Kunhuhwirira kwehydroxypropyl methylcellulose (HPMC) chii?
Mhinduro: HPMC inogadzirwa nenzira yekunyungudutsa inoshandisa toluene neisopropanol sezvinhu zvinonyungudutsa. Kana kusukwa kusina kunaka, pachava nekunhuwa kwasara.
15. Nderipi rimwe zita rehydroxypropyl methylcellulose?
Mhinduro: Hydroxypropyl Methyl Cellulose, Chirungu: Hydroxypropyl Methyl Cellulose Kupfupikiswa: HPMC kana MHPC Zita rekuti: Hypromellose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
16. Chii chinofanira kutariswa pakushandiswa chaiko kwehukama huripo pakati pekusimba uye tembiricha yeHPMC?
Mhinduro: Kupenya kweHPMC kunoenderana nekupisa, kureva kuti, kupenya kunowedzera sezvo kupisa kuchiderera. Kupenya kwechigadzirwa chatinowanzo taura nezvacho kunoreva mhedzisiro yekuyedzwa kwe2% yemvura pakupisa kwe20 degrees Celsius.
Mukushandiswa kwaro, zvinofanirwa kucherechedzwa kuti munzvimbo dzine musiyano mukuru wekupisa pakati pezhizha nechando, zvinokurudzirwa kushandisa viscosity yakaderera munguva yechando, iyo inonyanya kubatsira pakuvaka. Zvikasadaro, kana tembiricha yakaderera, viscosity yecellulose ichawedzera, uye ruoko ruchanzwa rwakaoma kana ruchikwesha. Viscosity yepakati: 75000-100000 Inonyanya kushandiswa pakuisa putty. Chikonzero: kuchengetedza mvura zvakanaka. Viscosity yepamusoro: 150000-200000 Inonyanya kushandiswa pakugadzira polystyrene particle thermal insulation mortar glue powder uye vitrified microbead thermal insulation mortar. Chikonzero: viscosity yakakwirira, mortar haisi nyore kudonhedza, kuturika, uye kuvandudza kuvaka.
17. Kushandiswa kweHPMC mupudhi yeputty, chii chinokonzera mabhuru mupudhi yeputty?
Mhinduro: Muupfu hweputty, HPMC inoita mabasa matatu ekuwedzera kukora, kuchengetedza mvura uye kuvaka. Usatore chikamu mune chero maitiro. Zvikonzero zvemabubbles: 1. Isa mvura yakawandisa. 2. Rutivi rwepasi haruna kuoma, ingokwesha rumwe rutivi pamusoro, uye zviri nyore kupupuma.
Nguva yekutumira: Ndira-13-2023