Chii chinonzi HPMC Hydroxypropyl methyl cellulose ne simende chiyero?
Dura resimbi rinodzivirira mvura rinoshandiswa muinjiniya, hunhu hwaro hunoenderana nehuremu hunotevera hwezvinhu zvakagadzirwa: Konkriti 30-340, upfu hwezvidhinha zvekuvaka zveinjiniya 40-50, lignin fiber 20-24, calcium formate 4-6, hydroxypropyl methyl cellulose 7-9, upfu hwesilicon carbide 40-45, upfu hwecalcium hydroxide 10-20, upfu hwebrown corundum 10-12, upfu hwesilt hwakaoma hweguta guru 30-35, ivhu reguta reDatong 40-45, aluminium sulfate 4-6, carboxymethyl Base starch 20-24, zvinhu zvakagadziriswa nanotechnology upfu hwecarbon 4-6, mvura 600-650; Dura resimbi rinodzivirira mvura reinjiniya rinodzivirira kupisa, rinodzivirira kupisa, rinosunga madziro zvakasimba, rinomanikidza, rinoita kuti zvinhu zvisanyanya kukwegura, rinodzivirira zvakatipoteredza zvakanaka, rinodzivirira hunyoro zvakanyanya, rinodzivisa kupwanyika, rinodzivirira kudonha. Nhasi tichataura nezvekusimba kwe hydroxypropyl methyl cellulose, uye mhinduro yemvura inosanganisirei? Ngatinyatsoidzidza.
1. Huremu hwemamorekuru, tembiricha yemvura, mwero wekucheka uye nzira yekuedza ye cellulose ether; 2. Kana tembiricha yekuchinja kwegirazi yakakwira, huremu hwemamorekuru hwakawedzera, viscosity yemhinduro yacho yakakwira zvechisikigo; 3. Kana zviri mukati me cellulose ether zvakakwirira, viscosity yemhinduro yacho yakakwira, saka pakushandisa tinofanira kutarisisa huwandu hwakakodzera hwekubatanidzwa, kudzivirira kuiswa kwacho kwakakwira zvakanyanya, uye kukanganisa zvakananga hunhu hwe cement mortar ne cement concrete; 4. Kufanana nezhinji yemhinduro, viscosity ichadererawo nekuwedzera kwekupisa, pamwe nekuwedzera kwezviri mukati me cellulose ether, kukuvadza kwekupisa kwacho kwakawedzera; Pamusoro pezvo, mhedzisiro chaiyo yekukora inosiyanawo zvichienderana nehuwandu hwemvura inoshandiswa pa epoxy cement.
Hydroxypropyl methyl cellulose aqueous solution viscosity inogonawo kushanda senzira huru yekutaura nezvehunhu hwe cellulose ether, viscosity ye aqueous solution yakakwira, ukobvu hwe epoxy simende yezvinhu zvayo, zviri nani, kumashure kweplate gelling properties, asi kana viscosity yacho yakakura zvakanyanya, ichakuvadza epoxy simende mbishi pakarepo liquidity uye executableability. Kana iri imwe self-leveling mortar ine high fluidity, viscosity ye cellulose ether ichatsanangurwa kuti yakaderera.
Mhinduro yemvura yeCellulose ether ipurasitiki isina chinhu, isu padanho rekupedzisira rekuona chiyero chekuchekwa kwebvudzi chidiki, viscosity diki.
Saka, muchidimbu ndekuti: kubatana kwesimbi yesimbi kuchaderedzwa nesimba rekunze, izvo zvinobatsira kuvaka kweinjiniya, asi mhinduro yemvura ye cellulose ether kana paine kukosha kwakaderera kwesimbi, hunhu hwemvura isiri yeNewtonian huchaitika, pane zvinopesana, kana kukosha kwesimbi kwawedzerwa, mhinduro yemvura ichaitika hunhu hwemvura yepseudoplastic.
Kuchengetwa kwemvura kubva kuhydroxypropyl methyl cellulose chimwe chezvinhu zvakakosha zvehydroxypropyl methyl cellulose. Mwero wekubuda kwemvura muzvinhu zvakasanganiswa zvemortar neplaster unokanganiswa nekupisa kwegasi, tembiricha uye mwero wekumanikidzwa. Saka, mumwaka yakasiyana, pamwe nehydroxypropyl methyl cellulose, kushanda kwemvura kwechigadzirwa kwakafanana kune mimwe misiyano.
Kazhinji, kana viscosity yehydroxypropyl methyl cellulose yakakwira, mhedzisiro chaiyo yekuchengetwa kwemvura ichave iri nani, asi kukuvara kwekuchengetwa kwemvura kuchaderedzwa mushure mekunge viscosity yadarika 100,000 Mpa. Kana viscosity yeHYDROXYpropyl methyl cellulose yadarika 100,000, mwero wekuchengetwa kwemvura unogona kuvandudzwa zvakanyanya nekuwedzera huwandu hwehydroxypropyl methyl cellulose.
Mukugadzirwa kwakadzama, simba rekuchengetedza mvura kubva muslurry rinogona kugadziriswa nekugadzirisa huwandu hwehydroxypropyl methyl cellulose. Zvigadzirwa zveHydroxypropyl methyl cellulose zvinogona kugadzirisa dambudziko rekuchengetedza mvura pasi pekupisa kwakanyanya. Munguva yekupisa kwakanyanya, kunyanya munzvimbo dzinopisa uye dzinofinha uye kuvakwa kwechromatography parutivi rwezuva, HYDROXYpropyl methyl cellulose yemhando yepamusoro inodiwa kuti igadzire kuchengetedza mvura kweslurry.
Hunhu hwepamusoro hwehydroxypropyl methyl cellulose, ine chiyero chakanaka, mapoka ayo e tertiary butyl ne hydroxypropyl oxygen anoshanda pamwe chete ne fiber molecular chain structure joint distribution, inogona kugadzira methyl aldehyde group ne oxygen, uye hunhu hwemvura ye digital form covalent bonds inogona, kuva mvura yakasungwa nemvura yekupararira, yozonyatso dzora mamiriro ekunze anokonzerwa nekubuda kwemvura, kuchengetedza mvura yakawanda.
Hunhu hwepamusoro hwehydroxypropyl methyl cellulose hunogona kukwana pasi rakasununguka uye rekutengeserana mumidziyo yakasanganiswa yedhaka neplaster, uye zvese zvikamu zvakasimba zve cyst, zvakanyorova, zvinotonhorera, uye zvinoumba jira refirimu, hunyoro huchiburitswa zvishoma nezvishoma kubva pachigadziko, nekutanga kwekusanganiswa kwemakemikari emusanganiswa we hydration, wobva wavimbisa kubatana kwesimba rekumanikidza uye simba rekumanikidza. Mukushanda kwakasimba kwezhizha, saka, kuti mvura isvike, inofanira kuenderana neresiphi yehuwandu hwakati uye mhando yezvigadzirwa zvehydroxypropyl methyl cellulose, zvikasadaro, zvicharatidza kufinha nekukurumidza uye zvichikonzera hydration isina kukwana, kuderedza simba rekumanikidza, kupatsanura, kuburitsa hunhu hwakadai semetope isina chinhu drum uye doubt, pamwe chete ne worker content difficulty coefficient. Sezvo tembiricha ichidzikira, huwandu hwehydroxypropyl methyl cellulose hunogona kuderedzwa zvishoma nezvishoma uye mhedzisiro imwechete yekuchengetedza mvura inogona kuwanikwa.
Kana cellulose ether isina kuwedzerwa, chromatography yemortar itsva yesimende ichakurumidza kuoma, zvichiita kuti kongiri isakwanise kunyoroveswa nenzira yakajairika, zvichiita kuti mortar yesimende isakwanise kuomeswa uye kunamira zviri nani. Panguva imwe chete, kuwedzerwa kwe cellulose ether kunoita kuti mortar yesimende ive ne ductility yakanaka uye flexible, uye kunovandudza simba rekumanikidza remortar yesimende.
1, saizi yehydroxypropyl methyl cellulose particle
Saizi ye cellulose ether inokuvadza kunyungudika kwayo. Kana cellulose ether yakapfava, inokurumidza kuora kwayo mumvura uye hunhu hwayo hwekuchengetedza mvura hwakawedzera. Saka, saizi ye cellulose ether inofanira kuverengerwa mukuferefeta humwe hunhu hwayo. Kazhinji, saizi ye cellulose ether ye80 mesh yakavakirwa pa.
2, hydroxypropyl methyl cellulose yakaoma isina mwero wegiravhiti
Dry manic hapana mwero wegiravhiti, zvinoreva tembiricha yemvura yakaoma ye manic cellulose ether, kurasikirwa kwemhando yemakemikari kwakakonzerwa nechikamu chepakutanga chemhando yemuenzaniso. Kune imwe mhando ye cellulose ether muyakaoma isina mwero wegiravhiti yakanyanya kukwirira, ichaderedza zvikamu zvakakosha mu cellulose ether, ichakuvadza mhedzisiro chaiyo yekushandiswa kwemakambani ari pasi pemvura, asi zvakare inovandudza mutengo wekutenga. Kazhinji, mvura yakaoma ye cellulose ether isina mwero wegiravhiti haifanirwe kudarika 5.0%.
3, hydroxypropyl methyl cellulose potassium thiocyanate ash
Kuti uwane mamwe marudzi e ether ye cellulose mu ash content yakakwira, cellulose ether inoderedza cellulose muzvikamu zvakakodzera, uye inogona kukanganisa mhedzisiro chaiyo yekushandiswa kwemakambani ari pasi pemvura, cellulose ether potassium thiocyanate ash content ndiyo inonyanya kufungwa nezvehunhu hwayo.
4, viscosity yehydroxypropyl methyl cellulose
Kuchengetwa kwemvura neHydroxypropyl methyl cellulose uye kusimba kwayo ndiyo nzira huru yekuwedzera simende mortar cellulose ether mukunaka kwayo uye kubatanidzwa kwayo.
5, hydroxypropyl methyl cellulose PH kukosha
Kuwanda kwezvigadzirwa zvehydroxypropyl methyl cellulose kunoderera zvishoma nezvishoma kana tembiricha yakakwira kana mushure mekuchengetwa kwenguva yakareba, kunyanya kune zvigadzirwa zvine kusimba kwakanyanya, saka pH inofanira kuganhurirwa. Kazhinji zvinotarisirwa kuti chikamu chePH che cellulose ether chinofanira kushanda se5-9.
6. Kutapurirana kwehydroxypropyl methyl cellulose
Zvakanakira nekuipira kwekufambiswa kwehydroxypropyl methyl cellulose zvinogona kukanganisa zvakananga mhedzisiro chaiyo yekushandiswa kwayo muzvinhu zvekuvaka. Zvinhu zvikuru zvinokanganisa kufambiswa kwecellulose ether ndeizvi:
1) mhando yezvinhu zvakagadzirwa; (2) mhedzisiro chaiyo yekudzima; (3) Kugadzirira tekinoroji yekugadzira; (4) kugadzirira zvinonyungudutsa zve organic; (5) mhedzisiro chaiyo ye zhonghe.
Zvichienderana nemhedzisiro chaiyo yekushandisa, kutumirwa kwe cellulose ether hakufanirwe kunge kuri pasi pe80%.
7, tembiricha inofungidzirwa yehydroxypropyl methyl cellulose
Hydroxypropyl methyl celluloseMuzvikamu zvesimende senzira yekuwedzera manamati, viscosity uye chinhu chinochengetedza mvura, saka viscosity uye tembiricha yegel ndiyo key index value yehydroxypropyl methyl cellulose. Tembiricha inoshandiswa kutonga mhando uye specification ye cellulose ether, uye mwero wekutsiva cellulose ether une chekuita nazvo.
8. Pamusoro pezvo, munyu nezvinosara zvinokanganisawo tembiricha yeglue. Kana tembiricha yemushonga wemvura yakwira, fiber polymer inoshaya mvura zvishoma nezvishoma, uye viscosity yemushonga wemvura yaderera. Kana nzvimbo yekunamatira yasvika, polymer yaoma zvachose uye gumbo rinogadzirwa. Nokudaro, tembiricha yekushanda yenhengo dzesimende inowanzova pasi petembiricha yeglue yekutanga. Pasi pechiyero ichi, tembiricha yakaderera, viscosity yakakwira, uye mhedzisiro chaiyo ye viscosification uye kuchengetedza mvura inonyanya kukosha.
Nguva yekutumira: Kubvumbi-25-2024