Hydroxypropyl methyl cellulose matambudziko akajairika

1, chii chinonyanya kushandiswa kwehydroxypropyl methyl cellulose (HPMC)?

HPMCinoshandiswa zvakanyanya mukuvaka, machira, masimbi ekugadzira, ceramics, mushonga, chikafu, machira, kurima, zvizorwa, fodya uye mamwe maindasitiri.HPMC inogona kukamurwa kuita: giredhi rekuvaka, giredhi rekudya uye giredhi rekurapa nekushandisa.Parizvino, mazhinji egiredhi rekuvaka mudzimba, mugiredhi rekuvaka, putty poda dosage yakakura, inenge 90% inoshandiswa kugadzira putty poda, iyo yese inoshandiswa kugadzira simende dhaka uye glue.

2, hydroxypropyl methyl cellulose (HPMC) yakakamurwa kuita akati wandei, ndeupi musiyano mukushandiswa kwayo?

HPMC inogona kukamurwa kuita pakarepo mhinduro-mhando uye inopisa mhinduro-mhando, pakarepo mhinduro-mhando zvigadzirwa, nekukurumidza kuparadzirwa mumvura inotonhora, inonyangarika mumvura, panguva ino mvura haina viscosity, nekuti HPMC inongopararira mumvura, hapana kuparara chaiko.Inenge maminetsi maviri, viscosity yemvura inowedzera zvishoma nezvishoma, ichigadzira yakajeka viscous colloid.Zvigadzirwa zvinopisa zvinonyungudika, mumvura inotonhora, zvinogona kukurumidza kuparadzirwa mumvura inopisa, zvinonyangarika mumvura inopisa, kana tembiricha inodonha kune imwe tembiricha, viscosity inooneka zvishoma nezvishoma, kusvika pakuumbwa kwepachena viscous colloid.Kupisa mhinduro inogona kushandiswa chete mu putty poda uye dhaka, mune yemvura glue uye pendi, pachava neboka chiitiko, haigone kushandiswa.Instant SOLUTION MODEL, RANGE OF APPLICATION AKAPAMBANA ZVISHOMA, PAKUSHONWA NEUFU NEMWANA WEMWANA, UYE MURIQUID GLUE UYE KUPEKA, VESE ZVINOGONA KUSHANDISA, PASINA CONTRAINDICATION.

3, hydroxypropyl methyl cellulose (HPMC) solubility nzira dzine idzo?

Nzira yekunyungudika kwemvura inopisa: Nekuti HPMC haina kunyungudika mumvura inopisa, saka yekutanga HPMC inogona kuparadzirwa zvakaenzana mumvura inopisa, yobva yanyungudika nekukurumidza kana yatonhodzwa, nzira mbiri dzakajairwa dzinotsanangurwa seizvi:

1) Isa huwandu hunodiwa hwemvura inopisa mumudziyo uye kupisa kusvika ku70 ℃.Zvishoma nezvishoma wedzera hydroxypropyl methylcellulose pasi pekuita zvishoma nezvishoma, HPMC yakatanga kutenderera pamusoro pemvura, uye zvishoma nezvishoma inogadzira slurry, pasi pekukurudzira kutonhora kweslurry.

2), wedzera huwandu hunodiwa hwe1/3 kana 2/3 mvura mumudziyo, uye kupisa kusvika ku70 ℃, maererano nenzira ye1), HPMC kupararira, kugadzirira kwemvura inopisa slurry;Zvadaro wobva wawedzera huwandu hwakasara hwemvura inotonhora kune inopisa slurry, simbisa uye utonhodze musanganiswa.

Powder kusanganisa nzira: HPMC hupfu uye nhamba huru yezvimwe zvinhu zvehupfu, zvakanyatsosanganiswa ne blender, mushure mekuwedzera mvura kuti iparadze, ipapo HPMC inogona kuparara panguva ino, asi kwete kubatana, nokuti kona imwe neimwe diki, zvishoma chete HPMC upfu. , mvura inobva yanyungudika.-Putty poda uye mabhizinesi ekugadzira dhaka ari kushandisa nzira iyi.Hydroxypropyl methyl cellulose (HPMC) inoshandiswa seyakakora uye inochengeta mvura muputty poda yedhaka.

4, yakapusa uye intuitive kuona mhando yehydroxypropyl methyl cellulose (HPMC)?

(1) kuchena: kunyangwe kuchena kusingakwanise kuona kana HPMC iri nyore kushandisa, uye kana yakawedzerwa mukugadzirwa kweiyo whitening agent, ichakanganisa kunaka kwayo.Zvisinei, zvigadzirwa zvakanaka zvinowanzochena.

(2) kunaka: HPMC fineness kazhinji 80 mesh uye 100 mesh, 120 zvishoma chinangwa, Hebei HPMC kazhinji 80 mesh, iyo yakatsetseka iyo fineness, kazhinji zviri nani.

(3) transmittance: iyo hydroxypropyl methyl cellulose (HPMC) mumvura, kuumbwa kweiyo yakajeka colloid, ona iyo transmittance, iyo yakakura iyo transmittance, zviri nani, iyo isinganyanyi kunyungudika zvinhu mukati.Kupinda kweiyo vertical reactor kunowanzo kuve kwakanaka, iyo yakachinjika reactor yakashata, asi haigone kuratidza kuti kunaka kweiyo vertical reactor kugadzirwa kuri nani pane iyo yakachinjika kugadzirwa kwe reactor, kunaka kwechigadzirwa kunotsanangurwa nezvakawanda zvinhu.

(4) giravhiti chaiyo: kukura kwegiravhiti chaiyo, kurema ndiko kuri nani.Kupfuura zvakakosha, kazhinji nekuti zvirimo muhydroxypropyl zvakakwirira, hydroxypropyl yemukati yakakwira, saka kuchengetwa kwemvura kuri nani.

5, hydroxypropyl methyl cellulose (HPMC) muhuwandu hweputty powder?

HPMC mukushandiswa kweiyo dosage, nemamiriro ekunze, tembiricha, yemuno calcium ash quality, putty poda formula uye "mutengi zvinodiwa zvemhando", uye vane zvakasiyana.Kazhinji kutaura, pakati pemakirogiramu mana kusvika mashanu.Somuenzaniso: Beijing putty powder, kunyanya kuisa 5 kg;MuGuizhou, mazhinji acho ane 5 kg muzhizha uye 4.5 kg muchando.Huwandu hwaYunnan hudiki, kazhinji 3 kg -4 kg zvichingodaro.

6, hydroxypropyl methyl cellulose (HPMC) yakawanda sei viscosity yakakodzera?

Kufinhwa NEUFU HWEMWANA ZVINOGONA 100 THUSUS OK, ZVINODIWA MUMORTAR ZVAKARERERERA, KUDA ZVIURU 150 KUKWANISA KUSHANDISA.Uyezve, basa rakakosha reHPMC kuchengetedza mvura, inoteverwa nekukora.Mune putty powder, chero bedzi mvura inochengetwa yakanaka, viscosity yakaderera (7-80 zviuru), zvinogonekawo, hongu, iyo viscosity yakakura, hukama hwekuchengetedza mvura huri nani, kana viscosity inopfuura. 100 zviuru, iyo viscosity haina mhedzisiro pakuchengetedza mvura.

7, hydroxypropyl methyl cellulose (HPMC) ndeapi makuru ehunyanzvi zviratidzo?

Hydroxypropyl yemukati uye viscosity, vazhinji vashandisi vane hanya neaya ma indexes maviri.Hydroxypropyl yemukati yakakwira, kuchengetedza mvura kunowanzo kuve nani.Viscosity, kuchengetwa kwemvura, hama (asi kwete mhedziso) zvakare nani, uye viscosity, mune simende dhaka nani kushandisa vamwe.

8, hydroxypropyl methyl cellulose (HPMC) iyo mikuru michina chii?

Hydroxypropyl methyl cellulose (HPMC) iyo huru mbishi zvinhu: yakanatswa donje, chloromethane, propylene oxide, zvimwe zvigadzirwa, mahwendefa alkali, asidhi, toluene, isopropyl doro uye zvichingodaro.

9, HPMC mukushandiswa kweputty powder, chii chinonyanya kukosha, ingave chemistry?

HPMC mune putty poda, thickening, kuchengetedza mvura uye kuvaka mabasa matatu.Kukora: Cellulose inogona kukwizwa kutamba kumiswa, kuitira kuti mhinduro yekuchengetedza yunifomu kumusoro nekudzika basa rimwechete, anti kuyerera kwakaturika.Kuchengeta mvura: ita putty poda yakaoma zvishoma nezvishoma, yekubatsira ash calcium reaction pasi pekuita kwemvura.Kuvaka: Cellulose ine lubricating mhedzisiro, inogona kuita putty poda ine kuvaka kwakanaka.HPMC haitore chikamu mune chero chemakemikari maitiro, inongotamba yebetsero.Putty poda yakawedzera mvura, pamadziro, ikemikari inoitika, nekuti kune chizvarwa chechinhu chitsva, putty poda pamadziro kubva pamadziro, pasi kuita upfu, uye yakazoshandiswa, haichaiti, nekuti yakagadzira a. zvinhu zvitsva (calcium carbonate).Izvo zvikamu zvikuru zvegrey calcium powder ndezvi: Ca (OH) 2, CaO uye zvishoma zveCaCO3 musanganiswa, CaO+H2O=Ca(OH)2 - Ca(OH)2+CO2=CaCO3↓+H2O calcium ash mumvura. uye mhepo pasi pechiito che CO2, kuumbwa kwe calcium carbonate, uye HPMC chete kuchengetedza mvura, yebetsero karusiyamu dota zviri nani kuita, pachayo haina kutora chikamu mune chero maitiro.

10, HPMC isiri-ionic cellulose ether, zvino chii chisiri-ionic?

Kazhinji, nonionic chinhu chisingaite ionise mumvura.Ionization ndiyo nzira iyo electrolyte inopatsanurwa kuita yakasununguka inochaji ion mune chaiyo solvent, semvura kana doro.Semuenzaniso, sodium chloride (NaCl), munyu watinodya zuva rega rega, unonyunguduka mumvura uye ionize kuti ibudise mahara-inofamba sodium ions (Na+) iyo inochajiswa zvakanaka uye chloride ions (Cl) inokanganisa zvakaipa.Mune mamwe mazwi, HPMC mumvura haiparadzanise mumaoni anochajiswa, asi iripo semamorekuru.

11, hydroxypropyl methylcellulose gel tembiricha uye zvine hukama nei?

HPMC gel tembiricha ine hukama neiyo methoxy yemukati, iyo yakadzika iyo methoxy yemukati ↓, iyo yakakwirira tembiricha yegel ↑.

12. Pane hukama huripo pakati peputty powder neHPMC?

Putty poda yehupfu uye hutano hwe calcium hune hukama hukuru, uye HPMC haina hukama hwakawandisa.Iyo yakaderera calcium ye calcium uye chikamu cheCaO, Ca (OH) 2 mu calcium ash haina kukodzera, inokonzera kudonha kwehupfu.Kana iine chekuita neHPMC, ipapo kuchengetwa kwemvura kweHPMC kwakashata, kuchaitawo kudonha kwehupfu.Nokuda kwezvikonzero zvakananga, tapota ona mubvunzo 9.

13, hydroxypropyl methylcellulose mvura inotonhora inonyungudika mhando uye inopisa soluble mhando mukugadzira maitiro, ndeupi musiyano?

HPMC inotonhora mvura inonyungudika mhando iri mushure mekurapa kweglyoxal pamusoro, mumvura inotonhora inokurumidza kuparadzirwa, asi isina kunyatsonyungudika, viscosity kumusoro, inonyungudika.Iyo inopisa-inonyungudika mhando yakanga isina kubatwa pamusoro ne glyoxal.Huwandu hweglyoxal hwakakura, kupararira kunokurumidza, asi viscosity inononoka, vhoriyamu idiki, pane zvinopesana.

14, hydroxypropyl methyl cellulose (HPMC) ine hwema hwezviri kuitika?

HPMC inogadzirwa nenzira yekunyungudutsa inogadzirwa ne toluene uye isopropyl doro se solvent.Kana kugeza kusina kunaka, pachava nekusarira kuravira.

15, kushandiswa kwakasiyana, nzira yekusarudza yakakodzera hydroxypropyl methyl cellulose (HPMC)?

Iko KUSHANDISA kweputty powder: zvinodiwa zvakaderera, viscosity ndeye 100 zviuru, zvakanaka, chinhu chinokosha ndechokuchengeta mvura zviri nani.Kushandiswa kwedhaka: chinodiwa chakakwirira, chinodiwa chakakwirira viscosity, 150 zviuru zvinofanira kuva nani.Kushandiswa kweglue: inoda zvigadzirwa zvekukurumidza, yakakwira viscosity.

16, hydroxypropyl methylcellulose chii chinonzi alias?

Hydroxypropyl Methyl Cellulose, Chirungu: Hydroxypropyl Methyl Cellulose pfupiso: HPMC kana MHPC arias: Hydroxypropyl Methyl Cellulose;Cellulose hydroxypropyl methyl ether;Cellulose hydroxypropyl Methyl ether Hypromellose, 2-hydroxypropylmethyl Cellulose ether.Cellulose hydroxypropyl Methyl ether Hyprolose.

17, HPMC mukushandiswa kweputty poda, putty poda bubble chikonzero chei?

HPMC mune putty poda, thickening, kuchengetedza mvura uye kuvaka mabasa matatu.Kusatora chikamu mune chero maitiro.Chikonzero chemabhuru: 1, mvura inoisa yakawandisa.2, pasi haina kuoma, kumusoro uye kukwenya dhizaini, zvakare nyore kubhuroka.

18. Putty poda formula yemukati nekunze madziro?

Putty poda yemadziro emukati: 800KG yeheavy calcium uye 150KG yegrey calcium (starch ether, yakachena green, peng ivhu, citric acid uye polyacrylamide inogona kuwedzerwa zvakakodzera)

Kunze kwemadziro putty upfu: simende 350KG inorema karusiyamu 500KG quartz jecha 150KG latex upfu 8-12kg cellulose ether 3KG starch ether 0.5kg huni fiber 2KG

19. Ndeupi musiyano uripo pakati peHPMC neMC?

MC imethyl cellulose, donje rakanatswa mushure mekurapa alkali, ine methane chloride se etherification agent, kuburikidza nenhevedzano yemaitiro ekugadzira cellulose ether.Kazhinji, dhigirii rekutsiva i1.6 ~ 2.0, uye kunyungudika kunosiyana nedanho rekutsiva.Iyo isiri-ionic cellulose ether.

(1) Kuchengetwa kwemvura kwemethyl cellulose kunoenderana nehuwandu hwayo hwekuwedzera, viscosity, particle fineness uye dissolution speed.Kazhinji wedzera huwandu hukuru, hunyoro hudiki, viscosity, huwandu hwekuchengetedza mvura.Pakati pavo, huwandu hwekuwedzera kuhuwandu hwekuchengetedza mvura hune simba guru, viscosity uye chiyero chekuchengetedza mvura hazvifananidzi nehukama.Mwero wekunyunguduka unonyanya kuenderana nedhigirii rekugadzirisa uye chidimbu chidiki che cellulose particles.Mune iri pamusoro cellulose ether, methyl cellulose uye hydroxypropyl methyl cellulose chiyero chekuchengetedza mvura chakakwira.

(2) Methyl cellulose inogona kunyungudutswa mumvura inotonhora, mvura inopisa yakanyungudutswa ichasangana nematambudziko, mhinduro yayo ine aqueous mu pH = 3 ~ 12 renji yakagadzikana.Iine kuwirirana kwakanaka ne starch, guanidine chingamu uye akawanda ma surfactants.Gelation inoitika kana tembiricha yasvika tembiricha yegelation.

(3) Shanduko yekushisa ichakanganisa zvakanyanya mwero wekuchengetedza mvura yemethyl cellulose.Kazhinji, kukwirisa tembiricha, kunowedzera kuchengetedzeka kwemvura.Kana tembiricha yedhaka ikadarika 40 ℃, kuchengetwa kwemvura kwemethyl cellulose kuchave kwakanyanya kuipa, zvichikanganisa zvakanyanya kuvakwa kwedhaka.

(4) Methyl cellulose ine simba riri pachena pakuvaka uye kunamatira kwedhaka.Pano, "kunamatira" kunoreva simba rekunamatira rinonzwika pakati pechishandiso chemushandi nemadziro substrate, ndiko kuti, kushorwa kweshear kwedhaka.Iyo inonamatira pfuma yakakura, shear resistance yedhaka yakakura, uye simba rinodiwa nevashandi mukushandiswa kwekushandisa rakakurawo, saka nzvimbo yekuvaka yedhaka yakashata.Mune cellulose ether zvigadzirwa, iyo methyl cellulose adhesion iri padanho repakati.

HPMC yehydroxypropyl methyl cellulose, inogadzirwa nedonje rakanatswa mushure mekurapa alkalization, ine propylene oxide uye chloromethane se etherifying agent, kuburikidza neyakatevedzana maitiro uye yakagadzirwa neasiri-ionic cellulose yakasanganiswa ether.Dhigirii rekutsiva rinowanzo 1.2 ~ 2.0.Zvimiro zvayo zvinokanganiswa nehuwandu hwemethoxy yemukati uye hydroxypropyl yemukati.

(1) hydroxypropyl methyl cellulose inonyungudika mumvura inotonhora, mvura inopisa yakanyungudutswa ichasangana nematambudziko.Asi tembiricha yayo yegelation mumvura inopisa yakanyanya kukwirira kupfuura yemethyl cellulose.Iyo solubility yemethyl cellulose mumvura inotonhora zvakare inovandudzwa zvakanyanya.

(2) iyo viscosity yehydroxypropyl methyl cellulose inoenderana nehuremu hwayo hwemamorekuru, uye huremu hombe hwemamorekuru ndiyo yakakwira viscosity.Tembiricha ichakanganisawo viscosity yayo, tembiricha inowedzera, viscosity inoderera.Nekudaro, iyo viscosity yekushisa kwepamusoro yakaderera pane iyo yemethyl cellulose.Mushonga wacho wakagadzikana kana wakachengetwa pakushambidzika kwekamuri.

(3) hydroxypropyl methyl cellulose yakagadzikana kune acid uye alkali, uye mhinduro yayo ine aqueous yakagadzikana muhuwandu hwepH = 2 ~ 12.Caustic soda uye mvura yeraimu haina simba guru pane zvayo, asi alkali inogona kukurumidza kuparara kwayo uye inovandudza viscosity yepini.Hydroxypropyl methyl cellulose ine kugadzikana kune yakajairwa munyu, asi kana iyo yakasanganiswa yemunyu munyu yakakwira, viscosity yehydroxypropyl methyl cellulose mhinduro inowedzera kuwedzera.

(4) Kuchengetwa kwemvura kwehydroxypropyl methyl cellulose kunoenderana nehuwandu hwekuwedzera kwayo, viscosity, nezvimwewo, iyo yakaenzana yehuwandu hwekuchengetedza mvura yakakwirira kupfuura methyl cellulose.

(5) hydroxypropyl methyl cellulose inogona kusanganiswa nemvura-soluble polymer compounds kuti ive yunifomu, yakakwirira viscosity solution.Zvakadai se polyvinyl doro, starch ether, chirimwa chingamu uye zvichingodaro.

(6) Kunamatira kwehydroxypropyl methyl cellulose kukuvaka kwedhaka kwakakwira kupfuura iyo yemethyl cellulose.

(7) hydroxypropyl methyl cellulose ine zvirinani enzymatic kuramba pane methyl cellulose, uye mukana wekukanganisa enzymatic yemushonga wayo wakaderera pane wemethyl cellulose.

Chii chinofanira kutariswa mukushandiswa kunoshanda kwehukama pakati peviscosity uye tembiricha yeHPMC?

Iyo viscosity yeHPMC inopesana nekushisa, kureva kuti, viscosity inowedzera nekuderera kwekushisa.Kana tichitaura nezve viscosity yechigadzirwa, tinoreva mhedzisiro yekuyera iyo 2% ine aqueous solution patembiricha ye20 degrees Celsius.

Muchishandiso chinoshanda, munzvimbo dzine musiyano mukuru wekushisa pakati pezhizha nechando, kutariswa kunofanirwa kubhadharwa kune kurudziro yekushandisa yakaderera viscosity munguva yechando, iyo inonyanya kubatsira pakuvaka.Zvikasadaro, kana tembiricha yadzikira, viscosity ye cellulose inowedzera, kana ichikwenya, kunzwa kunenge kuchirema.

Medium viscosity :75000-100000 inonyanya kushandiswa putty

Chikonzero: kuchengetedza mvura zvakanaka

High viscosity :150000-200000 inonyanya kushandiswa kune polystyrene particles thermal insulation mortar poda uye girazi mabheji ekupisa kupisa dhaka.

Chikonzero: high viscosity, dhaka haisi nyore kudonha, kuyerera kunorembera, kunatsiridza kuvaka.

Asi kazhinji kutaura, iyo yakakwira viscosity, zviri nani kuchengetedza kwemvura kuchava, saka mafekitori mazhinji akaoma edhaka anofunga nezve mutengo, nepakati viscosity cellulose (75,000-100000) kutsiva low viscosity cellulose (20,000-40000) kuderedza huwandu hwe kuwedzera.