1. Hydroxypropyl methylcellulose (HPMC)is a non-ionic cellulose ether yakagadzirwa kubva kune yakasikwa donje faibha kana huni pulp kuburikidza neakatevedzana emakemikari ekugadzirisa maitiro akadai sealkalization, etherification, uye kunatsa. Zvinoenderana neayo viscosity, HPMC inogona kukamurwa kuita yakakwira viscosity, yepakati viscosity, uye yakaderera viscosity zvigadzirwa. Pakati pavo, yakaderera viscosity HPMC inoshandiswa zvakanyanya muminda yakawanda nekuda kwekunakisa kwayo kunyungudika kwemvura, firimu-kugadzira pfuma, lubricity, uye kupararira kugadzikana.
2. Basic maitiro epasi viscosity HPMC
Kunyungudika kwemvura: Yakaderera viscosity HPMC inonyungudika nyore mumvura inotonhora uye inogona kugadzira inoonekera kana translucent viscous mhinduro, asi isinganyunguke mumvura inopisa uye yakawanda organic solvents.
Low viscosity: Kana ichienzaniswa nepakati uye yakakwirira viscosity HPMC, mhinduro yayo ine yakaderera viscosity, kazhinji 5-100mPa · s (2% aqueous solution, 25 ° C).
Kugadzikana: Iine kugadzikana kwakanaka kwemakemikari, inoshivirira kune acids uye alkalis, uye inogona kuchengetedza kushanda kwakagadzikana muhupamhi hwepH.
Firimu-yekugadzira pfuma: Inogona kuumba yunifomu firimu pamusoro pema substrates akasiyana, ane yakanaka chipingamupinyi uye adhesion zvivakwa.
Lubricity: Inogona kushandiswa semafuta ekudzikisa kukweshera uye kugadzirisa kushanda kwechinhu.
Chiitiko chepamusoro: Iyo ine kumwe emulsification uye kuparadzira kugona uye inogona kushandiswa mukumiswa kudzikamisa masisitimu.
3. Kushandisa minda yepasi-viscosity HPMC
Zvishandiso zvekuvaka
Doka uye putty: Mudhaka rakaoma, dhaka rinozvimisa, uye dhaka rekupurasita, yakaderera-viscosity HPMC inogona kunyatso kuvandudza mashandiro ekuvaka, kuvandudza kuyerera uye lubricity, kuwedzera kuchengetwa kwemvura kwedhaka, nekudzivirira kupaza uye delamination.
Tile adhesive: Inoshandiswa seyakakora uye bhainda kuvandudza nyore kuvaka uye kusimba kwechisungo.
Coatings uye pendi: Seyakakora uye kuturika stabilizer, inogadzira iyo yekuputira yunifomu, inodzivirira pigment sedimentation, uye inovandudza kubhurasho uye kuyera zvivakwa.
Mushonga uye chikafu
Pharmaceutical excipients: Yakaderera-viscosity HPMC inogona kushandiswa mumafurafura ekuputira, inosimudzira-kuburitsa maajenti, kumiswa, uye capsule fillers muindasitiri yemishonga kudzikamisa, solubilize, uye zvishoma-kuburitswa.
Zvokudya zvinowedzera: zvinoshandiswa sezvikobvu, emulsifiers, stabilizers mukugadzira chikafu, sekuvandudza kuravira uye magadzirirwo muzvinhu zvakabikwa, zvigadzirwa zvemukaka uye muto.
Cosmetics uye zvigadzirwa zvekuchengeta munhu
Muzvigadzirwa zvekuchengetedza ganda, kuchenesa kumeso, maconditioners, gels uye zvimwe zvigadzirwa, HPMC inogona kushandiswa seyakakora uye moisturizer kuvandudza chigadzirwa magadzirirwo, kuita kuti zvive nyore kuisa uye kuwedzera kunyaradza kweganda.
Ceramics uye kugadzira mapepa
Muindasitiri yeceramic, HPMC inogona kushandiswa semafuta uye rubatsiro rwekuumba kusimudzira kuyerera kwedhaka nekuvandudza simba remuviri.
Muindasitiri yekugadzira mapepa, inogona kushandiswa kupfekedza mapepa kuvandudza kutsetseka kwepamusoro uye kudhinda kuchinjika kwepepa.
Zvekurima nekuchengetedzwa kwezvakatipoteredza
Low viscosity HPMC inogona kushandiswa mukumiswa kwemishonga yezvipembenene kuvandudza kugadzikana kwezvinodhaka uye kuwedzera nguva yekuburitsa.
Mumidziyo ine hushamwari kwezvakatipoteredza, senge mvura yekuwedzera yekurapa, guruva suppressants, nezvimwewo, inogona kuwedzera kugadzikana kwekupararira uye kugadzirisa mashandisiro ekushandisa.
4. Kushandisa uye kuchengetedza yakaderera viscosity HPMC
Kushandisa nzira
Low viscosity HPMC inowanzo kupihwa muupfu kana granular fomu uye inogona kuparadzirwa zvakananga mumvura kuti ishandiswe.
Kudzivirira agglomeration, zvinokurudzirwa kuwedzera zvishoma nezvishoma HPMC kumvura inotonhora, kubvongodza zvakaenzana uye wozopisa kunyungudika kuti uwane zvirinani kunyungudika.
Mune yakaoma poda formula, inogona kusanganiswa zvakaenzana nezvimwe zvinhu zvehupfu uye yakawedzerwa kumvura kuti ivandudze kuparara kwekuita.
Kuchengeta zvinodiwa
HPMC inofanirwa kuchengetwa munzvimbo yakaoma, inotonhorera, inofefetera zvakanaka kudzivirira tembiricha uye mwando.
Ramba kure nemaoxidants akasimba kudzivirira kuita kwemakemikari kubva pakukonzera shanduko yekushanda.
Iyo tembiricha yekuchengetedza inokurudzirwa kudzorwa pa 0-30 ℃ uye kudzivirira zuva rakananga kuti ive nechokwadi chekugadzikana uye sevhisi hupenyu hwechigadzirwa.
Low viscosity hydroxypropyl methylcelluloseinoita basa rakakosha mumaindasitiri mazhinji akadai sezvekuvaka, mishonga yemishonga uye chikafu, zvizorwa, ceramic papermaking, uye kuchengetedzwa kwezvakatipoteredza kwekurima nekuda kwekunyungudika kwayo kwemvura, lubricity, kuchengetedza mvura uye kugadzira mafirimu. Yayo yakaderera viscosity maitiro inoita kuti ive yakanyanya kukodzera kune application mamiriro anoda fluidity, dispersibility uye kugadzikana. Nekuenderera mberi kwekuvandudza tekinoroji yeindasitiri, iyo nzvimbo yekushandiswa yeyakaderera viscosity HPMC ichawedzerwazve, uye icharatidza tarisiro yakakura mukuvandudza mashandiro echigadzirwa uye kugadzirisa maitiro ekugadzira.
Nguva yekutumira: Mar-25-2025