1. 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 dzeindasitiri. HPMC inogona kukamurwa kuita giredhi rekuvaka, giredhi rechikafu uye giredhi remishonga zvichienderana nechinangwa. Parizvino, zvigadzirwa zvakawanda zvemumba ndezve giredhi rekuvaka. Mugiredhi rekuvaka, putty powder inoshandiswa zvakanyanya, inenge 90% inoshandiswa putty powder, uye yasara inoshandiswa simende mortar neglue.
2. Kune mhando dzakasiyana dzehydroxypropyl methylcellulose (HPMC), uye ndedzipi musiyano uripo pakushandiswa kwadzo?
Mhinduro: 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 isina kunyungudika chaiko. Maminetsi angangoita maviri, viscosity yemvura inowedzera zvishoma nezvishoma, zvichiita colloid yakajeka ine viscous. Zvigadzirwa zvinonyungudika, kana zvikasangana nemvura inotonhora, zvinogona kupararira nekukurumidza mumvura inopisa uye zvinonyangarika mumvura inopisa. Kana tembiricha yadzikira kusvika kune imwe tembiricha (chigadzirwa chekambani yedu chiri 65 degrees Celsius), viscosity inoonekwa zvishoma nezvishoma kusvika yagadzira colloid yakajeka ine viscous. Mhando yekupisa inonyungudika 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. 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) 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), 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.]
4. Ungatonga sei mhando yehydroxypropyl methylcellulose (HPMC) zviri nyore uye nenzira isinganzwisisike?
Mhinduro: (1) Kuchena: Kunyangwe kuchena kusingakwanise kuona kana HPMC iri nyore kushandisa, uye kana zvinhu zvinochenesa zvikawedzerwa panguva yekugadzira, zvinokanganisa kunaka kwayo. Zvisinei, zvigadzirwa zvakawanda zvakanaka zvine kuchena kwakanaka. (2) Kuchena: Kuchena kweHPMC kunowanzova ne80 mesh uye 100 mesh, uye 120 mesh ishoma. HPMC yakawanda inogadzirwa muHebei ine 80 mesh. Kuchena kwakanyanya, kazhinji, ndiko kuri nani. (3) Kutapurirana kwechiedza: isa hydroxypropyl methylcellulose (HPMC) mumvura kuti igadzire colloid yakajeka, uye tarisa kutapurirana kwayo kwechiedza. Kutapurirana kwechiedza kwakakura, ndiko kuri nani, zvichiratidza kuti hapana zvinhu zvakawanda zvisinganyunguduke mairi. . Kupinda kwe vertical reactors kazhinji kwakanaka, uye kwe horizontal reactors kwakaipa, asi hazvirevi kuti mhando ye vertical reactors iri nani pane ye horizontal reactors, uye mhando yechigadzirwa inotsanangurwa nezvinhu zvakawanda. (4) Specific gravity: Kukura kwe specific gravity, kurema kwakanyanya kunaka. Hunhu hwacho hwakakura, kazhinji nekuti huwandu hwehydroxypropyl group hurimo hwakakwira, uye huwandu hwehydroxypropyl group hwakakwira, kuchengetedza mvura kuri nani.
5. Huwandu hwehydroxypropyl methylcellulose (HPMC) muputty powder hupi?
Mhinduro: Huwandu hweHPMC hunoshandiswa mukushandiswa hunoenderana nemamiriro ekunze, tembiricha, mhando yecalcium yemuno, fomura yeputty powder uye "mhando inodiwa nevatengi". Kazhinji, pakati pe4 kg ne5 kg. Semuenzaniso: huwandu hwakawanda hweputty powder muBeijing i5 kg; huwandu hwakawanda hweputty powder muGuizhou i5 kg muzhizha uye 4.5 kg muchando; huwandu hweputty muYunnan hudiki, kazhinji 3 kg kusvika 4 kg, nezvimwewo.
6. Chii chinonzi viscosity yakakodzera yehydroxypropyl methylcellulose (HPMC)?
Mhinduro: Upfu hweputty hunowanzova 100,000 yuan, uye zvinodiwa zvemortar zvakakwira, uye 150,000 yuan inodiwa kuti zvive nyore kushandisa. 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.
7. 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. Iyo ine kusviba kwakanyanya inochengetedza mvura zviri nani, zvishoma (kwete zvachose), uye iyo ine kusviba kwakanyanya inoshandiswa zviri nani mumota yesimende.
8. 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.
9. 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 yemumadota ndeizvi: musanganiswa weCa(OH)2, CaO uye huwandu hushoma hweCaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O Kalsiamu yemumadota iri mumvura nemhepo Pasi pekushanda kweCO2, calcium carbonate inogadzirwa, nepo HPMC ichingochengeta mvura chete, ichibatsira kuita zviri nani kwecalcium yemumadota, uye haibatanidzwi mune chero chiito pachayo.
10. HPMC i-non-ionic cellulose ether, saka chii chinonzi non-ionic?
Mhinduro: Kazhinji, non-ion chinhu chisingazove ioni mumvura. Ionization zvinoreva maitiro apo electrolyte inosanganiswa kuita maion ane chaji anogona kufamba zvakasununguka mune chimwe chinhu chinonyungudutsa (senge mvura, doro). Semuenzaniso, sodium chloride (NaCl), munyu watinodya zuva nezuva, unonyunguduka mumvura uye unove ioni 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.
11. Chii chinoenderana nekupisa kwegel kwehydroxypropyl methylcellulose?
Mhinduro: Kupisa kwejeli kweHPMC kwakabatana nehuwandu hwayo hwemethoxy, kana methoxy iri shoma ↓, tembiricha yejeli yakakwira ↑.
12. Pane hukama huripo pakati pedonhwe reputty powder neHPMC here?
Mhinduro: Kurasikirwa nehupfu hweputty powder kunonyanya kukonzerwa nehunhu hwecalcium yeash, uye hakuna chekuita neHPMC. Kuderera kwecalcium mugray calcium uye chiyero chisina kunaka cheCaO neCa(OH)2 mugray calcium zvinokonzera kurasikirwa nehupfu. Kana zvine chekuita neHPMC, saka kana HPMC isina mvura yakakwana, inokonzerawo kurasikirwa nehupfu. Nezvikonzero zvakananga, ndapota tarisa mubvunzo 9.
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. 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.
16. 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.
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.
18. Ndeipi fomura yeputty powder yemadziro emukati nekunze?
Mhinduro: Upfu hweputty yemukati memadziro: calcium yakawanda 800KG, calcium grey 150KG (starch ether, green chaiyo, ivhu rePengrun, citric acid, polyacrylamide, nezvimwewo zvinogona kuwedzerwa zvakakodzera)
Upfu hweputty yekunze: simende 350KG calcium inorema 500KG jecha re quartz 150KG upfu hwe latex 8-12KG cellulose ether 3KG starch ether 0.5KG huni fiber 2KG
Nguva yekutumira: Zvita-13-2022