Hydroxyprupyl methylcellose (HPMC)Chinhu chinowanzoshandiswa pachisikigo chezvakasikwa zvinhu uye chinoshandiswa zvakanyanya mugadziriro yemishonga yekugadzirira, kugadzirisa chikafu, kuvaka, zvizhinha uye zvimwe minda. Zvivakwa zvaro zvemuviri, kunyanya viscosity uye transmittance, iva nepfungwa yakakosha pakuita kwayo kwekushandisa.
1. Molecular uremu
Molecular uremu ndechimwe chezvinhu zvakakosha izvo zvinoona kuita kweHPMC. Semanyorerwe serviell yekimacell®hpmc inowedzera, iyo molecular keteni inova yakareba uye iyo viscosity yemhinduro inowedzera. Izvi imhaka yerefu yemanyorero ane masimba akasimba ekudyidzana mumhinduro, zvichikonzera kusarudzika kwekutaura, izvo zvinoratidzira sewisimusi yepamusoro. Mukupesana, HPMC mhinduro ine yakaderera molecular uremu ine yakasimba fluidity uye yakaderera viscosity.
Sremelar uremu hunewo humwe hukama nekuendesa. Kazhinji kutaura, HPMC mhinduro nehuremu hwepamusoro hunogona kuumba hombe molecular hormaration zvimiro zvinokonzerwa nemaketani ezvemanyorerwo, izvo zvinokanganisa kupaza kwechiedza uye kunotungamira mukuderera kwekutapurirana.
2. Hydroxyprospropyl uye methylation degree
Chemical chimiro cheHPMC chinosanganisira hydroxypruppropyl uye methyl mapoka, uye kuiswa kwemapoka aya zvinokanganisa zvakanyanya solubility, viscosity uye transmittance. Kazhinji, kuwedzera degree re hydroxyprupropropylation kunogona kuvandudza solubility yeHPMC, uku uchiwedzera iyo degree remagetsi rinogona kubatsira kuwedzera zvavakaita uye chengetedza kugadzikana kweiyo colloid.
Degree of Methylation: Kuwedzera kweiyo methy of methylation kuchatungamira mukuwedzera kwekudyidzana pakati peHPMC mamorekuru, nekudaro achiwedzera viscosity yemhinduro. Yakanyanya kukwirira degree remakuru
Degree of hydroxypruslation: Nhungamiro yeHydroxpremyl mapoka anowedzera iyo hydrophilipity yemamorkwe, inovandudza solubil yeHPMC, uye inobatsira kuumba imwe yakagadzikana colloid system. Yakanyanya kukwira degree re hydroxypruslation inogona kuderedza kujeka kwemhinduro, nekudaro inokanganisa kuendesa.
3. Solvent zvivakwa
Iyo solubility yeHPMC uye visikopa yemhinduro inokanganiswa zvikuru nezvivakwa zveiyo solvent. Kazhinji, HPMC inogona kunyimwa mumvura, asi iyo solubility inokanganiswa nezvinhu zvakadai sekupisa, uye kusvinura kwemvura.
Kupisa Nekudaro, kana tembiricha yakanyanya kukwirira, inogona kukonzera kusvibiswa kweHPMC, ichikanganisa viscosity yayo uye transmittance.
PH Kukosha: Iyo Solubility uye viscosity yeHPMC inokanganiswawo naPh. Iyo Solubility uye Solution viscosity yeHPMC inogona kusiyana pamatanho akasiyana, kunyanya mukuvapo kwekukwirira kwepamusoro kweAcid kana Alkali
Solvent Ionic Simba: Kana huwandu hukuru hwemunyu hunowedzerwa kumhinduro, simba reImic remhinduro rinowedzera, rinogona kukanganisa mamalekora pakati peHPMC mamorekuru uye nokudaro achinja viscosity yayo.
4. HPMC yekushambadzira
Iko kusangana kweHPMC ine mhedzisiro yakananga pane iyo viscosity yemhinduro. Kazhinji, iyo visikopa yemhinduro inowedzera mutsara nekuwedzera kweHPMC kusimba. Nekudaro, pakukwirira kwakakwirira, mhinduro inogona kusvika kune imwe miganhu yemusangano, panguva iyo mhedzisiro yekuwedzera kuwedzera kusangana pane zvavakatarisana nekwisikopo kuchaneteswa.
Kuwedzera kwekuvharidzira kunogona kukanganisa zvakare kujeka kweiyo HPMC Solution. Solists-osents mhinduro dzinogona kuumba zvikamu zvakakura kana maAggreger
5. Shear Rate uye Shear Nhoroondo
Iyo viscosity uye kuendesa kweKimacell®hpmc Solutions inokanganisika kune imwe nhanho neye Shear rate (kureva, kuyerera, kuyerera) uye nhoroondo yeShear. Iyo yakakwira iyo Shefu yeShear, iyo yakasimba iyo nzira yemhinduro uye yakadzika viscosity. Kujekeswa kwenguva refu kunogona kutungamira kusvibiswa kwemaketani emanyorose, nekudaro kukanganisa viscosity uye kuendesa mhinduro.
Nhoroondo shear ine pesvedzero huru pane iyo rheological maitiro eHPMC Solution. Kana mhinduro yacho ichinge yavezwa kwenguva refu, iyo yekudyidzana pakati pemamorekuru veHPMC inogona kuparadzwa, zvichikonzera kuderera kweSolution viscossity, uye inogona kukanganisawo kuendesa.
6. Kunze kwekuwedzera
MuHPMC Solution, kuwedzera mhando dzakasiyana dzekuwedzera (dzakadai senhau, stabilizers, salts, nezvimwewo) zvichakanganisa viscosity yayo uye kuendesa. Semuenzaniso, mamwe manhamba anogona kudyidzana neHPMC kuti iumbire akaomarara, nekudaro achiwedzera vhiza yemhinduro. Uye zvakare, kuwedzera kwemamwe munyu kunogona kuwedzera kugadzirisa iyo solubility uye viscosity yeHPMC nekuchinja ionic simba reiyo mhinduro.
THICKENSS: Aya anowedzera anowanzowedzera iyo viscosity yeHPMC solution, asi kunyanyisa kushandisa kunogona kukonzera mhinduro yekuve nekunyanyisa viscosity.
Surfact
7. Mamiriro ekuchengetedza emhinduro
Mamiriro ekuchengetedza ekimacell®hpmc zvakare ane chakakosha kukanganisa pane yayo viscosity uye kuendesa. Kuchengetedza kwenguva refu kunogona kukonzera shanduko mune iyo viscosity yeHPMC mhinduro, kunyanya munzvimbo ine nzvimbo isina kugadzikana kana mwenje wakasimba. Kupisa kokushisa kana kuratidzwa kwenguva refu kuIltraviolet mwenje kunogona kukonzera kusvibiswa kweHPMC, kuchikanganisa zvevhiza yemhinduro uye zvinogona zvakare kukonzera shanduko mukufambisa.
Iyo viscosity uye kuendesa kweHpcvanokanganiswa nezvinhu zvakawanda, kunyanya kusanganisira molecular uremu, degree re hydroxyprusyl uye methyropropyl, solvent zvivakwa, kupokana, kuwanda kwekunze, uye mamiriro ekunze emhinduro. Nekugadzirisa zvine musoro zvinhu izvi, HPMC mhinduro nezvakananga zvivakwa zvinogona kugadzirwa sezvinodiwa kuti usangane zvinodiwa zvekushandisa.
Kutumira Nguva: Kukadzi-24-2025