1. Chii chinonyanya kushandiswa nehydroxypropyl methylcellulose (HPMC)?
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?
HPMC inogona kukamurwa kuita mhando yekukurumidza uye mhando yekupisa. Chigadzirwa chemhando yekukurumidza chinopararira nekukurumidza mumvura inotonhora uye chinonyangarika mumvura. Panguva ino, mvura haina viscosity nekuti HPMC inongopararira mumvura isina kunyungudika chaiko. Anenge maminetsi maviri, viscosity yemvura inowedzera zvishoma nezvishoma, ichigadzira 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, 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)?
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?
(1) 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.
(2) Kupfava: Kupfava kweHPMC kunowanzova nemambure makumi masere nemembure zana, uye mambure zana nemakumi maviri ari mashoma. HPMC yakawanda inogadzirwa muHebei ine mambure makumi masere. Kupfava kunowedzera, kazhinji, ndiko kuri nani.
(3) Kutumira chiedza: isa hydroxypropyl methylcellulose (HPMC) mumvura kuti igadzire colloid yakajeka, uye tarisa kutumirwa kwayo kwechiedza. Kutumira chiedza kwakakura, zviri nani, zvichiratidza kuti hapana zvinhu zvakawanda zvinonyunguduka mairi. . Kupinda kwemagetsi e vertical reactors kazhinji kwakanaka, uye kwe tartal reactors kwakaipa, asi hazvirevi kuti mhando ye vertical reactors iri nani pane ye tartal reactors, uye mhando yechigadzirwa inotsanangurwa nezvinhu zvakawanda.
(4) Simba remagetsi rakasiyana-siyana: Simba remagetsi rakasiyana-siyana rakakura, uye simba remagetsi rakasiyana-siyana rinoremawo. Simba remagetsi rakasiyana-siyana rakakura, kazhinji nekuti huwandu hwehydroxypropyl group hurimo hwakawanda, uye huwandu hwehydroxypropyl group hwakasiyana-siyana, kuchengetedza mvura kuri nani.
5. Huwandu hwehydroxypropyl methylcellulose (HPMC) muputty powder hupi?
Huwandu hweHPMC hunoshandiswa mukushanda 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)?
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)?
Vazhinji vashandisi vane hanya nezvehuwandu hwehydroxypropyl uye kusviba, izvi zvinoratidza zviratidzo zviviri. Avo vane huwandu hwakawanda hwehydroxypropyl 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)?
Zvinhu zvikuru zve hydroxypropyl methylcellulose (HPMC): donje rakanatswa, methyl chloride, propylene oxide, nezvimwe zvinhu zvisina kugadzirwa, caustic soda, acid, toluene, isopropanol, nezvimwewo.
9. Ndeipi basa guru rekushandisa HPMC mupudhi yeputty, uye inoitika here nemakemikari?
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 chete. 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.
10. HPMC i-non-ionic cellulose ether, saka chii chinonzi non-ionic?
Mukutaura kwevanhuwo zvavo, ma non-ion zvinhu zvisingaite ioni mumvura. Ionization zvinoreva maitiro apo electrolyte inosanganiswa kuita ma ioni ane chaji anogona kufamba zvakasununguka mune chimwe chinhu chinonyungudutsa (senge mvura, doro). Semuenzaniso, sodium chloride (NaCl), munyu watinodya zuva nezuva, unonyunguduka mumvura uye unoite ioni kuti igadzire ma sodium ions anofambiswa zviri nyore (Na+) ane chaji yakanaka uye ma chloride ions (Cl) ane chaji yakaipa. Kureva kuti, kana HPMC ikaiswa mumvura, haizoparadzi kuita ma ioni ane chaji, asi inovapo muchimiro chemamorekuru.
11. Chii chinoenderana nekupisa kwegel kwehydroxypropyl methylcellulose?
Kupisa kwejeli kweHPMC kunoenderana nehuwandu hwayo hwemethoxy, kana methoxy iri pasi ↓, tembiricha yejeli iri yakakwira ↑.
12. Pane hukama huripo pakati pedonhwe reputty powder neHPMC here?
Kurasikirwa kweupfu hweputty powder kunonyanya kukonzerwa nekunaka kwecalcium yemumadota, uye hakuna chekuita neHPMC. Kuderera kwecalcium mugray calcium uye chiyero chisina kunaka cheCaO neCa(OH)2 mugray calcium zvinokonzera kurasikirwa kweupfu. Kana zvine chekuita neHPMC, saka kana HPMC isina mvura yakakwana, inokonzerawo kurasikirwa kweupfu. Nezvikonzero zvakananga, ndapota tarisa mubvunzo 9.
13. Ndeupi musiyano uripo pakati pemhando yemvura inotonhora inokurumidza uye mhando yehydroxypropyl methylcellulose inonyungudika inopisa mukugadzirwa kwayo?
Rudzi rweHPMC runotonhora panguva imwe chete runorapwa pamusoro ne glyoxal, uye runopararira nekukurumidza mumvura inotonhora, asi harunyungudike zvechokwadi. Runonyungudika chete kana viscosity yawedzera. Mhando dzemvura dzinopisa hadzina kurapwa pamusoro ne glyoxal. Kana huwandu hwe glyoxal hwakakura, kupararira kwacho kuchakurumidza, asi viscosity ichawedzera zvishoma nezvishoma, uye kana huwandu hwacho huri hudiki, zvakapesana zvichava zvechokwadi.
14. Kunhuhwirira kwehydroxypropyl methylcellulose (HPMC) chii?
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?
Kushandiswa kweputty powder: zvinodiwa zvakaderera, viscosity i100,000, zvakakwana, chinhu chakakosha kuchengetedza mvura zvakanaka. Kushandiswa kwemortar: zvinodiwa zvakanyanya, viscosity yakawanda, 150,000 zviri nani. Kushandiswa kweglue: zvigadzirwa zvepakarepo zvine viscosity yakawanda zvinodiwa.
16. Zita rekuti hydroxypropyl methylcellulose rinobva kupi?
Hydroxypropyl methyl cellulose, Chirungu: Hydroxypropyl Methyl Cellulose Kupfupikiswa: HPMC kana MHPC Zita rekuti: hypromellose; Cellulose hydroxypropyl methyl ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether. Cellulose hydroxypropyl methyl ether Hyprolose.
17. Kushandiswa kweHPMC mupudhi yeputty, chii chinokonzera mabhuru mupudhi yeputty?
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?
Upfu hweputty yemukati memadziro: calcium yakawanda 800KG, ash calcium 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
19. Musiyano uripo pakati peHPMC neMC ndeupi?
MC imethyl cellulose, iyo inogadzirwa ne cellulose ether nekushandisa donje rakanatswa ne alkali, uchishandisa methane chloride se etherification agent, uye ichipinda muzviitiko zvakasiyana-siyana. Kazhinji, mwero wekutsiva i1.6 ~ 2.0, uye kunyunguduka kwakasiyanawo nemwero wakasiyana wekutsiva. Ndeye non-ionic cellulose ether.
(1) Kuchengetwa kwemvura kwemethyl cellulose kunoenderana nehuwandu hwayo hwekuwedzera, viscosity, kupfava kwezvikamu uye mwero wekunyungudika. Kazhinji, kana huwandu hwekuwedzera huri hukuru, kupfava kuri kudiki, uye viscosity yakakura, mwero wekuchengetedza mvura wakakwira. Pakati pazvo, huwandu hwekuwedzera hune simba guru pahuwandu hwekuchengetedza mvura, uye mwero we viscosity hauenderane zvakananga nemwero wekuchengetedza mvura. Mwero wekunyungudika unonyanya kuenderana nemwero wekuchinja kwezvikamu zve cellulose uye kupfava kwezvikamu. Pakati peethers dze cellulose dziri pamusoro apa, methyl cellulose uye hydroxypropyl methyl cellulose zvine mwero wekuchengetedza mvura wakakwira.
(2) Methylcellulose inonyungudika mumvura inotonhora, uye zvichave zvakaoma kunyungudika mumvura inopisa. Mvura yayo inonyungudika zvikuru muhuwandu hwepH=3~12. Inoenderana zvakanaka nestarch, guar gum, nezvimwewo uye masurfactants akawanda. Kana tembiricha yasvika patembiricha yegelation, gelation inoitika.
(3) Kuchinja kwetembiricha kuchakanganisa zvakanyanya mwero wekuchengetedza mvura yemethyl cellulose. Kazhinji, tembiricha yakakwira, kuchengetedza mvura kwakaipa. Kana tembiricha yemortar ikapfuura 40°C, kuchengetedza mvura yemethyl cellulose kuchaderera zvakanyanya, zvichikanganisa zvikuru kuvaka mortar.
(4) Methyl cellulose ine simba guru pakuvakwa nekunamirwa kwedhaka. "Kunamirwa" pano kunoreva simba rinonamirwa riri pakati pechishandiso chemushandi nemadziro, kureva kuti, kuramba kuchekwa kwedhaka. Kunamirwa kwacho kwakanyanya, kuramba kuchekwa kwedhaka kwakakura, uye simba rinodiwa nevashandi mukushandiswa kwacho rakakurawo, uye mashandiro ekuvaka kwedhaka haana kunaka. Kunamirwa kweMethyl cellulose kuri padanho repakati muzvigadzirwa zve cellulose ether.
HPMC ihydroxypropyl methylcellulose, inova ether yakasanganiswa isina ionic cellulose yakagadzirwa nedonje rakacheneswa mushure mekugadziriswa kwealkali, ichishandisa propylene oxide nemethyl chloride se etherification agents, uye kuburikidza nematanho akasiyana-siyana. Dhigirii rekutsiva rinowanzova 1.2 ~ 2.0. Hunhu hwayo hwakasiyana nekuda kwehuwandu hwakasiyana hwe methoxyl nehuwandu hwe hydroxypropyl.
(1) Hydroxypropyl methylcellulose inonyungudika nyore nyore mumvura inotonhora, uye inosangana nematambudziko pakunyungudika mumvura inopisa. Asi tembiricha yayo ye gelation mumvura inopisa yakakwira zvakanyanya kupfuura yemethyl cellulose. Kunyungudika mumvura inotonhora kwakawedzerawo zvikuru kana tichienzanisa nemethyl cellulose.
(2) Kuwanda kwehydroxypropyl methylcellulose kwakabatana nehuremu hwayo hwemamorekuru, uye kana huremu hwemamorekuru hwakakura, kuwanda kwesimba. Tembiricha inokanganisawo kuwanda kwayo, sezvo tembiricha ichiwedzera, kuderera kwesimba. Zvisinei, kuwanda kwayo kune tembiricha yakaderera pane methyl cellulose. Mhinduro yayo inogara yakagadzikana kana yakachengetwa patembiricha yemumba.
(3) Hydroxypropyl methylcellulose inogara yakasimba kune acid nealkali, uye mvura yayo inogadzikana zvakanyanya muhuwandu hwe pH = 2 ~ 12. Caustic soda nemvura ye lime hazvina zvazvinobatsira pakushanda kwayo, asi alkali inogona kukurumidzisa kunyungudika kwayo uye kuwedzera viscosity yayo. Hydroxypropyl methylcellulose inogara yakasimba kune common salts, asi kana huwandu hwemunyu hwakakwira, viscosity ye hydroxypropyl methylcellulose solution inowanzo kuwedzera.
(4) Kuchengetwa kwemvura kwehydroxypropyl methylcellulose kunoenderana nehuwandu hwayo hwekuwedzera, viscosity, nezvimwewo, uye mwero wayo wekuchengetedza mvura pasi pehuwandu hwayo hwekuwedzera hwakakwira kupfuura hwemethyl cellulose.
(5) Hydroxypropyl methylcellulose inogona kusanganiswa nepolymer inonyungudika mumvura kuti igadzire mhinduro yakafanana uye yakakwira ye viscosity. Zvakadai se polyvinyl alcohol, starch ether, vegetable gum, nezvimwewo.
(6) Kubatana kwehydroxypropyl methylcellulose mukugadzirwa kwemortar kwakakwirira kupfuura kwemethylcellulose.
(7) Hydroxypropyl methylcellulose ine simba riri nani rekudzivirira ma enzymes kupfuura methylcellulose, uye mhinduro yayo hainyanyi kukanganiswa nema enzymes kupfuura methylcellulose.
20. Chii chinofanira kutariswa pakushandiswa chaiko kwehukama huripo pakati pekusimba kwemuviri nekupisa kweHPMC?
Kusimba kweHPMC kunoenderana nekupisa, kureva kuti, kusimba kunowedzera sezvo kupisa kuchiderera. Kusimba kwechigadzirwa chatinowanzo taura nezvacho kunoreva mhedzisiro yekuyedzwa kwe2% yemvura inobuda pakupisa kwe20 degrees Celsius.
Mukushandiswa kwaro, zvinofanira kucherechedzwa kuti munzvimbo dzine musiyano mukuru wekupisa pakati pezhizha nechando, zvinokurudzirwa kushandisa viscosity yakaderera munguva yechando, izvo zvinonyanya kubatsira pakuvaka. Zvikasadaro, kana tembiricha yakaderera, viscosity ye cellulose ichawedzera, uye ruoko ruchanzwa rwakasimba pakukwesha.
Viscosity yepakati: 75000-100000 inonyanya kushandiswa pakuisa putty
Chikonzero: kuchengetedza mvura zvakanaka
Kusviba kwakanyanya: 150000-200000 Inonyanya kushandiswa pa polystyrene particle thermal insulation mortar rabha upfu uye vitrified microbead thermal insulation mortar.
Chikonzero: Kusviba kwacho kwakanyanya, dhaka harisi nyore kudonha, kudonha, uye kuvakwa kwacho kwavandudzika.
Asi kazhinji, kana viscosity yakakwira, kuchengetedza mvura kuri nani. Saka, tichifunga nezvemutengo, mafekitori mazhinji e dry powder mortar anotsiva cellulose yepakati nepasi (20000-40000) ne cellulose yepakati nepakati (20000-40000) kuderedza huwandu hwekuwedzera.
Nguva yekutumira: Mbudzi-18-2022