1. Ndeipi iyo huru application ye hydroxyprupyl methylcellose (HPMC)?
HPMC inozoshandiswa zvakanyanya mune zvekuvaka, majasi, ceramics, mushonga, zvekudya, zvinyorwa, zvekurima, zvidhori, fodya uye mamwe maindasitiri. HPMC inogona kukamurwa kuita giredhi rekuvaka, giredhi rekudya uye pharmaceucal grade zvichienderana nechinangwa. Parizvino, yakawanda yezvinhu zvigadzirwa zvemberi ndeyekuvaka giredhi. Muchikamu chekuvaka, putty poda inoshandiswa mune yakakura yakawanda, inenge 90% inoshandiswa kune putty poda, uye kuzorora kunoshandiswa kune simende.
2. Ndekupi kunhuhwirira kwehydroxypropyl methylcellose (HPMC)?
Iyo HPMC yakagadzirwa neiyo solvent nzira inoshandisa toluene uye isopropanol se solvent. Kana iko kugeza hakuna kunaka, pachave nechimwe chinhuhwidzo.
3. Ndedzipi nzira dzekupaza dze hydroxyprupyl methylcellose (HPMC)?
Mvura inopisa yekupisa Nzira mbiri dzakajairika dzinotsanangurwa seinotevera:
1) Isa iyo inodiwa huwandu hwemvura inopisa mumudziyo uye uzvidzise kune anenge makumi manomwe c. Iyo hydroxypropyl methylcellose yakawedzerwa zvishoma nezvishoma kusimudzira zvishoma nezvishoma, pakutanga iyo HPMC yakadzika pamusoro pemvura, uye zvishoma nezvishoma yakaumbwa slurry, iyo yakadzvanywa pasi pekumutsa.
2), wedzera 1/3 kana 2/3 yehuwandu hunodiwa hwemvura mumudziyo, uye uzvidzise kusvika 70 ° C, Durperse HPMC zvinoenderana nenzira ye1), uye gadzirira mvura inopisa slurry; Wobva wawedzera iyo yakasara huwandu hwemvura inotonhora kune mvura inopisa slurry, musanganiswa wacho wakatonhorera mushure mekukurudzira.
Powder kusanganisa nzira: Sanganisa HPMC Powder ine huwandu hwakawanda hwezvimwe zvinhu zvePowder, uyezve kuwedzera mvura zvishoma, uye kune imwe chete diki kona yekona yekona, ichanyungudika pakarepo kana uchionana nemvura. - Upty poda uye moterar Vagadziri vari kushandisa nzira iyi. [Hydroxyprenyl methylcellose (HPMC) inoshandiswa seanoridza mhere uye yemvura yekuchengetwa mumiririri muPutty Poda. ]
4. Maitiro ekutonga mhando yehydroxypropyl methylcellose (HPMC) nyore uye intuitively?
. Nekudaro, zvakawanda zvezvigadzirwa zvakanaka zvine machena machena.
. Mazhinji hpmc yakagadzirwa mu hebei is 80 mesh. Iye anokoshesa basa, kazhinji kutaura, zvirinani.
. Iyo yakakura kuputika kwechiedza, zviri nani, zvichiratidza kuti pane zvisingaonekwi zvidiki mazviri. . Iko kufungidzira kwevatambi vanokwanisa kazhinji kazhinji kwakanakira, uye izvo zvinorehwa nevatambi vakaipa zvakanyanya, uye izvo zvinorehwa nemhando yevatambi vanoita nani pane iyo yakatwasuka, uye mhando yechigadzirwa inotsanangurwa nezvinhu zvakawanda.
. Kujeka kwakakura, kazhinji nekuti zviri mukati mehydroxyprupropropyl boka mukati mayo kumusoro, uye zviri mukati mehydroxyprupropyl boka rakakwira, kuchengetwa kwemvura kuri nani.
5. Ndeupi musiyano uripo pakati pemvura inotonhora
Iyo inokurumidza-kupararira mhando yeHPMC iri pamusoro-inobatwa neGlyoxal, uye inopararira nekukurumidza mumvura inotonhora, asi haina kunyungudika chaizvo. Izvo zvinongopera kana visikoity ichiwedzera. Rudzi rwekukurumidza haruna kurapwa pamusoro neGlyoxal. Kana huwandu hweGlyoxal hwakakura, kupararira kuchave kusimuka, asi visikoka kuchawedzera zvishoma nezvishoma, uye kana huwandu hushoma, zvakapesana zvichaitika.
6. Ndeipi iyo yakakodzera viscosity ye hydroxyprusyl methylcellose (HPMC)?
Putty poda kazhinji inowanzoita 100,000 Yuan, uye izvo zvinodiwa kuti mongwe yakakwira, uye zviuru zana nemakumi mairi yuan inodiwa kuti ishandiswe nyore. Uyezve, iyo yakakosha basa reHPMC kuchengetwa kwemvura, ichiteverwa nekukora. Muchiuru chePoda, chero bedzi kuchengetwa kwemvura kwakanaka uye visikoka kwakaderera (70,000-80,80000), zvinogonekawo. Ehe, iyo yepamusoro viscosity, zvirinani kugarisana kwemvura. Kana viscosity painopfuura 100,000, iyo visikoity inokanganisa kuchengetwa kwemvura. Kwete kazhinji.
7. Ndezvipi zviratidzo zvehunyanzvi zvehunyanzvi zve hydroxyprupyl methylcellose (HPMC)?
HydroxyprishPropyl Zvemukati uye viscosity, vanhu vazhinji vane hanya nezviratidzo zviviri izvi. Avo vane yakakwira hydroxyprupropyl zvemukati kazhinji vane kudzokorora kwemvura kuri nani. Iyo ine yakakwira viscosity ine kudzokorora kwemvura iri nani, (kwete zvachose), uye iyo ine yepamusoro viscosity iri nani kushandiswa mumutumbi wetsiva.
8. Ndezvipi zvinhu zvikuru zvekushandisa zvehydroxyprupyl methylcellose (HPMC)?
Iyo main midziyo yeiyo hydroxyprusyl methylcellose (HPMC): Yakanatswa Cotton, methyl Chloride, province oxda, Caustic Soda, Acuid, Toluene, isope, isopropanol, etc.
9. Ndeipi basa guru rekushandisa kweHPMC muPutty poda, uye zvinoitika nemakemanics?
MuPoWy poda, Hpmc inotora matanho matatu ekuremedza, kuchengetwa kwemvura uye kuvaka.
Kukakavara: Cellulose kunogona kuiswa kuti kumisa uye kuchengeta mhinduro yunifomu kumusoro uye pasi, uye udzivise kuswedera.
Kudzokorora kwemvura: Ita iyo POWDY POWOD DOWDY IYO zvishoma zvishoma, uye ubatsire iyo ash calcium yekuita pasi pezviito zvemvura.
Kuvaka: Cellulose ine lubricating mhedzisiro, iyo inogona kuita iyo poro poda ive nekuvakwa kwakanaka.
Kuwedzera mvura kune iyo Putty poda uye kuiisa pamadziro maitiro emakemikari, nekuti zvinhu zvitsva zvinoumbwa. Kana iwe ukabvisa iyo putty poda pamadziro kubva kumadziro kubva pamadziro, uye uishandise zvakare, hazvishande nekuti zvinhu zvitsva (calcium carbonate) zvakaumbwa. ) zvakare.
Izvo zvikamu zvakakosha zveAsh calcium poda: Ah) 2, cao + caco3 ↓ + Calcium, uye haitore chikamu mune chero maitiro pachawo.
10. HPMC ndeye isiri-ionic cellulose ether, saka chii chisiri-ionic?
Mukutaura kwemavara, zvisiri-ion zvinhu zvisina kujairika mumvura. Ionization inoreva maitiro ayo maEkishini akasanganiswa achipomerwa mhosva yekuparara Semuenzaniso, sodium chloride (NACL), munyu watinodya zuva rega rega, zvichidonha mumvura uye kuunganidza kubereka zvakasununguka sodium Ndiko kuti, iyo hpmc inoiswa mumvura, haizoparadzanisi kuti ichiparadzirwa
11. Ndeipi tembiricha yeiyo hydroxyropropyl methylcellose ine chekuita?
Iyo tembiricha yeHPMC ine chekuita neiyo nzira yayo yezvinyorwa, iyo yakadzika iyo nzira yezvinyorwa, yakakwira tembiricha.
12. Pane chero hukama pakati pekudonha kwePutty poda neHPMC?
Kurasikirwa kweupfu hwePowtty poda kunonyanya kuve nehurumende yeiyo ash calcium, uye ine zvishoma kuita neHPMC. Iyo yakaderera calcium yezvinyorwa zvechiratidzo calcium uye iyo isina kukodzera chiyero cheCAO uye CA (Ah) 2 muGrey calcium ichakonzera kurasikirwa kweupfu. Kana iyo ine chimwe chinhu chekuita neHPMC, zvino kana HpMC ine murombo mvura kuchengetwa, ichaitawo kurasikirwa neupfu.
13. Ndeupi musiyano uripo pakati pechinotonhora-mvura inopisa mhando uye iyo inopisa-svutugadzike mhando yehydroxyproproproproproproprollulose mukugadzira maitiro?
Iyo inokurumidza-kupararira mhando yeHPMC iri pamusoro-inobatwa neGlyoxal, uye inopararira nekukurumidza mumvura inotonhora, asi haina kunyungudika chaizvo. Izvo zvinongopera kana visikoity ichiwedzera. Rudzi rwekukurumidza haruna kurapwa pamusoro neGlyoxal. Kana huwandu hweGlyoxal hwakakura, kupararira kuchave kusimuka, asi visikoka kuchawedzera zvishoma nezvishoma, uye kana huwandu hushoma, zvakapesana zvichaitika.
Kutumira Nguva: Nov-25-2022