HydroxytHyl Cellulose (Hec) ipoluced polymer inoshandiswa zvakanyanya mumafuta ekuchera, kugadzirwa, kuunganidza, mapepa, machira, mishonga uye mamwe maindasitiri. Maitiro ayo ekugadzira anosanganisira akaomesesa makemikari maitiro uye akasimba maitiro ekugadzirisa.
(1) kugadzirira kwezvinhu zvekugadzirira
Iyo huru yemidziyo yezvinyorwa zvehydroxytHyl cellulose inosanganisira:
Cellulose: Kazhinji yakakwirira-chaimity cotton cellen cellon cellon cellen cellon cellen cellon inoshandiswa, iyo inogadziriswa zvakanaka kubvisa tsvina.
Ethylene Oxide: Izvi ndizvo zvakakosha enziyo inoshandiswa kuunza hydroxytHyl mapoka.
Alkali Solution: Kazhinji Sodium Hydroxide Solution, inoshandiswa kune alkalization ye cellulose.
Organic solvent: senge isopropanol, yaishandiswa kunyungudutsira cellulose uye kusimudzira maitiro.
(2) process matanho
Alkalization ye cellulose:
Kumisa cellulose mune organic solvent (senge isopropanol) uye wedzera sodium hydroxide solution yeAllalization.
MuAlkalization reaction, iyo hydrogen chisungo chimiro chakaputsika, vachiita kuti maHydroxyl mapoka ari muCellulose Molecular Chain zvakanyanya nyore kuita neEtraylene oxide.
Iyo alkalization yekuita inowanzoitwa pane imwe tembiricha (yakadai se50-70 ° C) uye yakaenderera kwenguva yakati rebei pasi pemamiriro ekukurudzira.
Etified maitiro:
Etleyone oxide inowedzerwa zvishoma nezvishoma kuAlkalized Cellulose System.
Etleene oxide inoreva neiyo hydroxyl mapoka paCellulose kuumba hydroxytl cellulose.
Iyo tembiricha yekudzidzira kazhinji iri pakati pe50m00 ° C, uye iyo nguva yekuita inosiyana zvichienderana nechinhu chakanangwa.
Panguva ino, mamiriro ekuita (akadai tembiricha, nguva, huwandu hwe ethylene oxide, etc.) sarudza iyo degree rekutsiva uye solubility ye hydroxylyl cellulose.
Kusarerekera nekugeza:
Mushure mekunge kuitwa kwacho kwapera, iyo acid (yakadai se hydrochloric acid) inowedzerwa kuti isarerekera yakawandisa alkali solution, uye chigadzirwa chekugadzirisa chakashambidzwa kubvisa makemikari asina kugadziriswa uye ne-zvigadzirwa.
Kushambidza kunowanzoitwa nekushambidza kwemvura, uye mushure mekugeza kwakawanda, iyo pH kukosha kwechigadzirwa iri pedyo nekusarerekera.
Filt uye kuoma:
Iyo yakashambwa hydroxyll cellulose inopfuura nepiri yefaira kuti ibvise mvura yakawandisa.
Chigadzirwa chakaputirwa chakaomeswa, kazhinji nekupedza kuoma kana kupisa kwemhepo kuoma, kuderedza zvinyoro-nyoro zvakanyorova kune yakatarwa chiyero (zvakadai zvisingasviki 5%).
Chigadzirwa chakaomeswa chiri mune poda kana yakanaka granule fomu.
Kupwanya uye kuongorora:
Iyo yakaoma hydroxytHyl cellulose inopwanywa kuti iwane iyo inodiwa subsicle size.
Chigadzirwa chakapwanywa chinoongororwa kuti uwane zvigadzirwa zvehukuru hwakasiyana hwehukama hwekuita zvinodiwa zveminda yakasarudzika yekushandisa.
Kurongedza uye kuchengetedza:
Iyo yakaongororwa hydroxytHyl cellulose chigadzirwa chakarongedzwa zvinoenderana nezvinyorwa.
Zvinyorwa zvekutakura zvinowanzove zvinyoro-uye guruva-purasitiki bhegi kana bhegi remapepa, pamwe nebhegi rakarukwa kana carton.
Chengetedza mune inotonhorera, yakaoma, yakanyatsovhara imba yekudzivirira kudzivirira kunyorova kana kupisa kupisa.
(3) mhando yekudzora
Hunhu hwekudzora hwakakosha mukugadzirwa kwehydroxytl cellulose. Izvo zvinonyanya kusanganisira zvinotevera zvinhu:
RAW EMPEL EXTROT Control: Ive nechokwadi chekuti kuchena uye mhando ye cellulose, ethylene oxide nezvimwe zvinhu zvezvinhu zvinosangana nezvinodiwa.
Production Process Control Control: Zvakakodzera Kudzora Kiyi Paramende akadai sekupisa, kumanikidzwa, nguva, ph kukosha, etc. yekuve nechokwadi chekutsiwa chigadzirwa.
Kupedzisa chigadzirwa kuongororwa: Zvakanyatso tarisa degree rekutsiva, viscosity, solubility, kuchena nezvimwe zviratidzo zvechigadzirwa chekupedzisira kuve nechokwadi chekuti inosangana nezvinodiwa nevatengi.
(4) Kudzivirirwa kwezvakatipoteredza uye kuchengeteka
Kugadzirwa kwehydroxyethyl cellulose kunosanganisira makemikari akadai se organic sols uye ethylyone oxide. Inoenderana nharaunda dziviriro uye matanho ekuchengetedza anofanira kutorwa panguva yekugadzira maitiro:
Kurapa Kwemambango
Kurapa kwegasi kurapwa: Etley oxide ine chepfu uye inopisa. Iyo yekugadzirisa muswe gasi inoda kubatwa nemidziyo yakadai sekunyora shongwe kuti uderedze kusvibiswa kwemhepo.
Kudzivirirwa kuchengetedzwa: Vashandisi vanofanirwa kupfeka michina yekudzivirira kuti vadzivise kusangana nemakemikari anokuvadza. Panguva imwecheteyo, zvivakwa zvekugadzira zvinofanirwa kuve zvakashongedzerwa nekudzivirira moto, kudzivirira kuputika uye kumwe kuchinja kwekuchengetedza.
Maitiro ekugadzira yehydroxytHyl cellulose inosanganisira akawanda akaoma emakemikari emakemikari maitiro uye kudzora maitiro ekugadzirisa. Kubva pakugadzirira kwezvinhu zvekupedza chigadzirwa chechigadzirwa, chinongedzo chega chega chine kukosha kwakakosha pakuita uye kunaka kwechigadzirwa chekupedzisira. Nekufambisira mberi kwehunyanzvi uye nekuvandudzwa kwezvekudzivirira kwezvakatipoteredza, maitiro ekugadzira yeHydroxetHyl Cellulose.
Kutumira Nguva: Kukadzi-17-2025