1. Chii chinonyanya kushandiswa chehydroxypropyl methylcellulose (HPMC)?
Mhinduro: HPMC inoshandiswa zvakanyanya mukuvaka zvinhu, machira, ekugadzira resin, ceramics, mushonga, chikafu, machira, kurima, zvizorwa, fodya uye mamwe maindasitiri. HPMC inogona kukamurwa kuita giredhi rekuvaka, giredhi rekudya uye giredhi remishonga zvinoenderana nechinangwa. Parizvino, zvizhinji zvezvigadzirwa zvepamba ndezvekuvaka giredhi. Mugiredhi rekuvaka, putty poda inoshandiswa muhombe, inenge 90% inoshandiswa kune putty poda, uye imwe yasara inoshandiswa simende dhaka uye glue.
2. Kune marudzi akawanda ehydroxypropyl methylcellulose (HPMC), uye ndezvipi zvakasiyana mukushandiswa kwawo?
Mhinduro: HPMC inogona kukamurwa kuva pakarepo mhando uye inopisa-kuparara mhando. Instant mhando zvigadzirwa zvinopararira nekukurumidza mumvura inotonhora uye inonyangarika mumvura. Panguva ino, mvura haina viscosity nekuti HPMC inongoparadzirwa mumvura pasina kuparara chaiko. Inenge maminetsi maviri, viscosity yemvura inowedzera zvishoma nezvishoma, ichigadzira yakajeka viscous colloid. Zvigadzirwa zvinopisa zvinonyunguduka, kana zvasangana nemvura inotonhora, zvinogona kupararira nekukurumidza mumvura inopisa uye kunyangarika mumvura inopisa. Kana tembiricha yadzikira kusvika kune imwe tembiricha (chigadzirwa chekambani yedu i65 degrees Celsius), viscosity inooneka zvishoma nezvishoma kusvika yaita inoonekera viscous colloid. Iyo inopisa-yakanyunguduka mhando inogona kungoshandiswa muputty poda uye dhaka. Mune glue yemvura uye pendi, pachave nemapoka chiitiko uye haigone kushandiswa. Rudzi rwepakarepo rune huwandu hwakakura hwemaapplication. Inogona kushandiswa mu putty poda uye dhaka, pamwe chete nemvura glue uye pendi, pasina contraindications.
3. Ndedzipi nzira dzekuparara kwehydroxypropyl methylcellulose (HPMC)?
Mhinduro: Kupisa mvura inopisa nzira: Sezvo HPMC isinganyungudika mumvura inopisa, HPMC inogona kuparadzirwa zvakaenzana mumvura inopisa padanho rekutanga, uye yobva yanyungudika nekukurumidza kana ichitonhora. Nzira mbiri dzakajairika dzinotsanangurwa sezvizvi:
1) Isa huwandu hunodiwa hwemvura inopisa mumudziyo uye kupisa kusvika ku70 ° C. Iyo hydroxypropyl methylcellulose yakawedzerwa zvishoma nezvishoma pasi pekusimudzira zvishoma nezvishoma, pakutanga HPMC yakayangarara pamusoro pemvura, uye zvishoma nezvishoma yakagadzira slurry, iyo yakanyoroveswa pasi pekukurudzira.
2), wedzera 1/3 kana 2/3 yehuwandu hunodiwa hwemvura mumudziyo, uye kupisa kusvika 70 ° C, paradzira HPMC maererano nenzira ye1), uye gadzirira slurry yemvura inopisa; wobva wawedzera huwandu hwakasara hwemvura inotonhora kumvura inopisa slurry, musanganiswa wacho wakatonhodzwa mushure mekukurudzira.
Powder kusanganisa nzira: sanganisa HPMC hupfu nehuwandu hukuru hwezvimwe zvinhu zvehupfu, nyatso sanganisa nemusanganisi, wobva wawedzera mvura kunyungudika, ipapo HPMC inogona kunyungudutswa panguva ino pasina kusanganiswa, nekuti pane chete HPMC diki mune zvese zvidiki. kona Powder, ichanyungudika pakarepo kana yasangana nemvura. —— Vagadziri vehupfu nedhaka vari kushandisa nzira iyi. [Hydroxypropyl methylcellulose (HPMC) inoshandiswa sechinhu chakakora uye chekuchengetedza mvura mu putty powder mortar. ]
4. Nzira yekutonga sei kunaka kwehydroxypropyl methylcellulose (HPMC) nyore uye intuitively?
Mhinduro: (1) Huchena: Kunyangwe kuchena kusingakwanise kuona kana HPMC iri nyore kushandisa, uye kana maajenti ekuchena akawedzerwa panguva yekugadzira, zvinokanganisa kunaka kwayo. Zvisinei, zvizhinji zvezvigadzirwa zvakanaka zvine kuchena kwakanaka. (2) Fineness: Kunaka kweHPMC kunowanzo kuve ne80 mesh uye zana mesh, uye 120 mesh ishoma. Yakawanda HPMC inogadzirwa muHebei ndeye 80 mesh. Kunyanya kunaka, kazhinji kutaura, zviri nani. (3) Light transmittance: isa hydroxypropyl methylcellulose (HPMC) mumvura kuti iite transparent colloid, uye tarisa kupenya kwayo. Iyo yakakura iyo mwenje transmittance, zviri nani, zvichiratidza kuti kune mashoma insolubles mairi. . Kupinda kwemareactors akatwasuka kazhinji kwakanaka, uye kuya kwemareactors akachinjika kwakaipisisa, asi hazvireve kuti kunaka kwemaactors akatwasuka kuri nani pane emareactor akachinjika, uye kunaka kwechigadzirwa kunotarwa nezvinhu zvakawanda. (4) Simba rinokwevera zvinhu pasi: Kukura kwegiravhiti chaiyo, kurema ndiko kuri nani. Iyo chaiyo yakakura, kazhinji nekuti zvirimo muboka re hydroxypropyl mariri zvakakwirira, uye zviri muboka re hydroxypropyl zvakakwirira, kuchengetwa kwemvura kuri nani.
5. Chii chinonzi hydroxypropyl methylcellulose (HPMC) mu putty powder?
Mhinduro: Huwandu hweHPMC hunoshandiswa mumashandisirwo anoshanda hunosiyana zvichienderana nemamiriro ekunze, tembiricha, hutano hwemunharaunda ash calcium, formula yeputty powder uye "hutano hunodiwa nevatengi". Kazhinji kutaura, pakati pe4 kg ne5 kg. Semuenzaniso: yakawanda yeputty powder muBeijing ndeye 5 kg; yakawanda yeputty powder muGuizhou i5 kg muzhizha uye 4.5 kg muchando; huwandu hwe putty muYunnan hudiki, kazhinji 3 kg kusvika 4 kg, nezvimwe.
6. Chii chakakodzera viscosity yehydroxypropyl methylcellulose (HPMC)?
Mhinduro: Putty powder inowanzoita 100,000 yuan, uye zvinodiwa zvedhaka zvakakwirira, uye 150,000 yuan inodiwa kuti ishandiswe nyore. Uyezve, iyo inonyanya kukosha basa reHPMC ndeyekuchengetedza mvura, inoteverwa nekukora. Mune putty powder, chero bedzi kuchengetwa kwemvura kwakanaka uye viscosity yakaderera (70,000-80,000), zvinogonekawo. Zvechokwadi, iyo yakakwirira viscosity, zviri nani kuchengetedza mvura. Kana iyo viscosity inopfuura 100,000, iyo viscosity inokanganisa kuchengetwa kwemvura. Hazvina zvakawanda zvakare.
7. Ndeapi makuru ehunyanzvi zviratidzo zvehydroxypropyl methylcellulose (HPMC)?
Mhinduro: Hydroxypropyl content uye viscosity, vazhinji vashandisi vane hanya nezviratidzo zviviri izvi. Avo vane yakakwira hydroxypropyl zvemukati kazhinji vane zvirinani kuchengetedza mvura. Iyo ine high viscosity ine nani kuchengetedza mvura, zvishoma (kwete zvachose), uye iyo ine viscosity yakakwirira inoshandiswa zviri nani mumatope esimende.
8. Ndezvipi zvinhu zvakakosha zvehydroxypropyl methylcellulose (HPMC)?
Mhinduro: Iyo huru yezvigadzirwa zve hydroxypropyl methylcellulose (HPMC): yakanatswa donje, methyl chloride, propylene oxide, uye zvimwe zvinhu, caustic soda, acid, toluene, isopropanol, nezvimwe.
9. Ndeipi basa guru rekushandiswa kweHPMC mu putty powder, uye inoitika nemakemikari?
Mhinduro: Mune putty poda, HPMC inobata mabasa matatu ekukora, kuchengetedza mvura uye kuvaka. Kukora: Cellulose inogona kukobvu kumisa uye kuchengeta yunifomu yemhinduro kumusoro nekudzika, uye kuramba kudonha. Kuchengetwa kwemvura: ita kuti putty poda iome zvishoma nezvishoma, uye batsira madota e calcium kuti aite pasi pekuita kwemvura. Kuvaka: Cellulose ine lubricating effect, iyo inogona kuita kuti putty powder ive nekuvakwa kwakanaka. HPMC haitore chikamu mune chero chemakemikari maitiro, asi inongotamba yebetsero. Kuwedzera mvura kune putty powder uye kuiisa pamadziro ndeyekuita kwemakemikari, nokuti zvinhu zvitsva zvinoumbwa. Kana iwe ukabvisa putty powder pamadziro kubva pamadziro, uikuya muupfu, uye uishandise zvakare, haigoni kushanda nokuti zvinhu zvitsva (calcium carbonate) zvakagadzirwa. ) zvakare. Zvinhu zvikuru zvinoumba ash calcium powder ndezvi: musanganiswa weCa(OH)2, CaO uye shoma shoma yeCaCO3, CaO+H2O=Ca(OH)2 —Ca(OH)2+CO2=CaCO3↓+H2O Ash calcium iri mumvura nemhepo Pasi pekuita kwe CO2, calcium carbonate inogadzirwa, nepo HPMC inongochengetedza mvura, ichibatsira kuita zviri nani kweash calcium, uye haibatanidzi mune chero ipi zvayo pachayo.
10. HPMC isiri-ionic cellulose ether, saka chii chisiri-ionic?
Mhinduro: Kazhinji kutaura, kwete-ion chinhu chisingazoiti ioni mumvura. Ionization inoreva nzira iyo electrolyte inopatsanurwa kuita ayoni anochaji anogona kufamba akasununguka mune chaiyo solvent (semvura, doro). Semuenzaniso, sodium chloride (NaCl), munyu watinodya zuva rega rega, unonyunguduka mumvura uye ionizes kugadzira zvakasununguka sodium ion ions (Na+) iyo inochajiswa zvakanaka uye chloride ions (Cl) ine mhosva yakaipa. Kureva kuti, kana HPMC yaiswa mumvura, haizoparadzanise mumaoni anochajwa, asi aripo muchimiro chemamorekuru.
11. Chii chinonzi tembiricha yegel yehydroxypropyl methylcellulose ine chekuita nazvo?
Mhinduro: Iyo tembiricha yegel yeHPMC ine hukama neiyo methoxy yemukati, iyo yakadzika methoxy yemukati ↓, iyo yakakwirira tembiricha yegel ↑.
12. Pane hukama huripo pakati pekudonha kweputty powder uye HPMC?
Mhinduro: Kurasikirwa kwehupfu hweputty powder kunonyanya kuenderana nehutano hweash calcium, uye haina zvishoma neHPMC. Iyo yakaderera calcium ye grey calcium uye chiyero chisina kukodzera cheCaO uye Ca (OH) 2 mu grey calcium inokonzera kurasikirwa kweupfu. Kana iine chimwe chinhu chekuita neHPMC, zvino kana HPMC ine urombo hwekuchengetedza mvura, inokonzerawo kurasikirwa kweupfu. Nezvikonzero chaizvo, ndapota tarisa kumubvunzo wechi9.
13. Ndeupi musiyano uripo pakati pemhando yemvura inotonhorera uye inopisa-inonyungudika yehydroxypropyl methylcellulose mukugadzira?
Mhinduro: Mvura inotonhora yemhando yeHPMC inogadziriswa neglyoxal, uye inopararira nokukurumidza mumvura inotonhora, asi hainyanyi kunyungudika. Inonyungudika chete kana viscosity ichiwedzera. Mhando dzinopisa dzakanyungudika hadzina kubatwa pamusoro ne glyoxal. Kana huwandu hweglyoxal hwakakura, kupararira kuchakurumidza, asi viscosity ichawedzera zvishoma nezvishoma, uye kana mari yacho iri duku, zvinopesana zvichave zvechokwadi.
14. Chii chinonzi kunhuwa kwehydroxypropyl methylcellulose (HPMC)?
Mhinduro: Iyo HPMC inogadzirwa nenzira yekunyungudutsa inoshandisa toluene uye isopropanol sezvinonyungudutsa. Kana kushambidzika kusina kunaka, pachava nekunhuhwirira kwakasara.
15. Nzira yekusarudza yakakodzera hydroxypropyl methylcellulose (HPMC) kune zvinangwa zvakasiyana?
Mhinduro: Kushandiswa kweputty powder: zvinodiwa zvishoma zvishoma, uye viscosity ndeye 100,000, iyo yakakwana. Chinhu chakakosha kuchengetedza mvura zvakanaka. Kushandiswa kwedhaka: zvinodiwa zvepamusoro, high viscosity, 150,000 zviri nani. Kushandiswa kweglue: zvigadzirwa zvekukurumidza zvine viscosity yakakwirira zvinodiwa.
16. Nderipi rimwe zita rehydroxypropyl methylcellulose?
Mhinduro: Hydroxypropyl Methyl Cellulose, Chirungu: Hydroxypropyl Methyl Cellulose Kupfupisa: HPMC kana MHPC Alias: Hypromellose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropyl methyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
17. Kushandiswa kweHPMC mune putty powder, chii chikonzero chezviputi muputty powder?
Mhinduro: Mune putty poda, HPMC inobata mabasa matatu ekukora, kuchengetedza mvura uye kuvaka. Usatora chikamu mune chero maitiro. Zvikonzero zvemabhuru: 1. Isa mvura yakawandisa. 2. Musoro wepasi hauna kuoma, ingotsvaira imwe nhanho pamusoro, uye iri nyore kupupa.
18. Chii chinonzi putty powder yemukati uye kunze kwemadziro?
Mhinduro: Inner wall putty powder: heavy calcium 800KG, grey calcium 150KG (starch ether, pure green, Pengrun ivhu, citric acid, polyacrylamide, etc. inogona kuwedzerwa zvakakodzera)
Kunze kwemadziro putty poda: simende 350KG inorema calcium 500KG quartz jecha 150KG latex upfu 8-12KG cellulose ether 3KG starch ether 0.5KG huni fiber 2KG
Nguva yekutumira: Zvita-13-2022