Hydroxypropylmethylcellulose (HPMC) i polymer inogoneka uye inoshanda zvakasiyana-siyana ndeyemhuri ye cellulose ether.Iyo inogadzirwa kuburikidza nekutevedzana kwemakemikari maitiro nekugadzirisa yakasikwa cellulose, chinhu chakakosha chechirimwa masero madziro.Iyo HPMC inoguma ine yakasarudzika seti yezvivakwa inoita kuti ive yakakosha mumaindasitiri ese.
1. Kemikari chimiro uye kuumbwa:
HPMC inotorwa kubva ku cellulose, iyo inosanganisira kudzokorora zvikamu zveglucose zvakabatanidzwa ne β-1,4-glycosidic bonds.Kuburikidza nekuchinja kwemakemikari, hydroxypropyl uye methoxy mapoka anounzwa mumusana we cellulose.Iyo dhigirii yekutsiva (DS) yehydroxypropyl uye methoxy mapoka anogona kusiyana, zvichikonzera akasiyana mamakisi eHPMC ane akasiyana zvivakwa.
Iyo kemikari chimiro cheHPMC chinoipa kunyungudika uye gel-kuumba kugona, zvichiita kuti ishande mumhando dzakasiyana dzekushandisa mumaindasitiri akasiyana siyana.
2. Solubility uye rheological properties:
Chimwe chezvinhu zvinozivikanwa zveHPMC kunyungudika kwayo mumvura, zvichiita kuti ive polima inonyungudika nemvura.HPMC inoumba yakajeka uye viscous mhinduro kana yakanyungudutswa mumvura, uye ayo rheological maitiro anogona kugadziriswa nekushandura molecular uremu uye dhigirii rokutsiva.Iyi tunable solubility uye rheology inoita kuti HPMC ikwane kune akasiyana maapplication.
3. Kuita firimu-kugadzira:
HPMC ine yakanakisa firimu-kugadzira zvimiro uye inogona kuumba anochinjika mafirimu kana iyo polymer yakanyungudika mumvura.Ichi chivakwa chinowana chikumbiro mumaindasitiri emishonga uye echikafu ekuputira mahwendefa, encapsulating flavour uye kupa zvipingamupinyi zvivakwa mumafirimu anodyika.
4. Zvikumbiro zvekurapa:
HPMC inoshandiswa zvakanyanya muindasitiri yemishonga nekuda kwemabasa ayo akawanda.Inoshandiswa mukugadzirwa kwepiritsi sebhainda, disintegrant, film-forming agent uye inosimudzira-kuburitsa mumiririri.Iko kugona kwepolymer kudzora kuburitswa kwezvinodhaka uye kunatsiridza kugadzikana kwekugadzirwa kwezvinodhaka kunoita kuti ive chinhu chakakosha mukugadzirwa kweakasiyana siyana emushonga mafomu.
5. Indasitiri yekuvaka:
Muindasitiri yekuvaka, HPMC inoshandiswa zvakanyanya seyakakora mumiriri, inochengetedza mvura uye inosimudzira kushanda muzvigadzirwa zvine simende senge madhaka, grouts uye plasters.Yayo rheological zvimiro zvinobatsira kuvandudza kushanda, sag kuramba uye kunamatira, ichiita iyo yakakosha yekuwedzera mune zvekuvaka.
6. Zvokudya uye zvekuzora:
Muindasitiri yechikafu, HPMC inoshandiswa seyakakora, emulsifier, uye inodzikamisa mumhando dzakasiyana dzezvigadzirwa, zvinosanganisira sosi, macondiments, uye zvigadzirwa zvemukaka.Hunhu hwayo husina chepfu uye kugona kugadzira gel dzakajeka kunoita kuti ive yakakodzera kushandiswa kwechikafu.
Saizvozvo, muindasitiri yezvizorwa, HPMC inoshandiswa mukugadzira senge makirimu, lotions, uye shampoos nekuda kwekukora, kudzikamisa, uye firimu-kugadzira zvimiro.Inobatsira pakuumbwa, viscosity uye kugadzikana kwezvizoro.
7. Paints uye Coatings:
HPMC inoshandiswa seyakakora uye rheology modifier mumvura-based pendi uye machira.Iyo inokwidziridza zvimiro zvekushandisa zvejasi, sekupenda uye splash kuramba, ukuwo ichivandudza kuita kwese kwejasi.
8. Adhesive:
Mumagadzirirwo anonamira, HPMC inoita seyakakora uye inochengetedza mvura.Kukwanisa kwayo kudzora viscosity uye kunatsiridza kunamatira kunoita kuti ive yakakosha mukugadzirwa kweadhesives mumaindasitiri akasiyana siyana, kusanganisira matanda uye mapepa bonding.
9. Inodzorwa kuburitsa sisitimu:
Kudzorwa kuburitswa kwezvinhu zvinoshanda kwakakosha kune akawanda maindasitiri, kusanganisira emishonga uye zvekurima.HPMC inowanzo shandiswa kugadzira inodzorwa kuburitsa masisitimu nekuda kwekugona kwayo kugadzira matrix inodzora kuburitswa kwechinhu chakavharirwa nekufamba kwenguva.
10. Biomedical applications:
Muminda yebiomedicine uye tishu engineering, HPMC yakaongororwa kune yayo biocompatibility uye kugona kugadzira mahydrogel.Aya ma hydrogel anogona kushandiswa mukuendesa zvinodhaka, kuporeswa kwemaronda, uye kugadzirwa kwematishu.
11. Kuchengetedza kwezvakatipoteredza maitiro:
HPMC inoonekwa seine hushamwari kwezvakatipoteredza sezvo ichitorwa kubva kune zvinogonekazve zviwanikwa uye ine biodegradable.Kushandiswa kwayo mumhando dzakasiyana-siyana dzekushandisa kunoenderana nekukura kuri kudiwa kwezvinhu zvinogara uye zvakatipoteredza.
12. Matambudziko nekufunga:
Kunyangwe HPMC ichishandiswa zvakanyanya, matambudziko akati wandei aripo, kusanganisira kunzwa kwayo kune tembiricha, iyo inokanganisa gel yayo.Pamusoro pezvo, iyo yekutsvagisa uye makemikari ekuchinja maitiro e cellulose inoda kunyatsotariswa kubva kune kwezvakatipoteredza uye kusimudzira maonero.
13. Regulatory Compliance:
Sezvinoita chero chinhu chinoshandiswa mumishonga, chikafu uye zvimwe zvigadzirwa zvevatengi, zvakakosha kuti zviyero zvakatemerwa nemasangano anodzora zvitevedzwe.HPMC kazhinji inosangana nezvinodiwa zvemitemo, asi vagadziri vanofanirwa kuve nechokwadi chekuteedzera nhungamiro kune yega yega application.
mukupedzisa:
Hydroxypropylmethylcellulose (HPMC) i polymer inoshanda zvakasiyana-siyana ine huwandu hwakasiyana hwekushandisa mumaindasitiri akasiyana siyana.Musanganiswa wayo wakasarudzika wekunyungudika, firimu-kugadzira zvivakwa uye rheology kutonga kunoita kuti ive yakakosha mumishonga yemishonga, kuvaka, chikafu, zvizorwa, pendi, zvinonamira uye nezvimwe.Sezvo maindasitiri achiramba achitsvaga mhinduro dzinogara uye dzinoshanda, HPMC ingangoramba iri mutambi akakosha mukuumbwa kwakasiyana kwechigadzirwa.Kunyangwe mamwe matambudziko, kuenderera mberi kutsvagisa uye kufambira mberi mune cellulose chemistry kunogona kuwedzera maapplication uye kugadzirisa mashandiro eHPMC mune ramangwana.
Nguva yekutumira: Zvita-28-2023