Mufirati pende Kuti uwedzere hydroxythethyl cellulose kupenda uye uve nechokwadi chekuti zvinoshanda zvinobudirira, mamwe matanho uye manyawi anofanirwa kuteverwa. Maitiro chaiwo ari seinotevera:
1. Zvivakwa zveHydroxyTHYL Cellulose
HydroxytHyl Cellulose ndeye isiri-ionic mvura-inokakavara polymer ine yakanakisa, firimu-inogadzira, mvura-yekuchengetedza, kumiswa uye kusimudzwa. Izvo zvinowanzoshandiswa mumvura-yakavakirwa mvura pendi, anomisheni, ceramics, inks uye zvimwe zvigadzirwa. Izvo zvinowanikwa nekutsiva chikamu chemapoka ehydroxyl pane cellulose molecular cheni ine hydroxytem mapoka, saka ine yakanaka mvura yekurudyi.
Mabasa makuru ehec mune pendi ndeye:
Kuita kwakasimba: Wedzera iyo visikopa yependi, dzivirira pendi kubva mukutsvaira, uye ita kuti ive nezvivakwa zvakanaka zvekuvaka.
Kumiswa kwemhedzisiro: Inogona kunyatsopararira uye kusimbisa zvimedu zvakasimba senge pigment uye mafirita kuti uvadzivise kubva pakugadzirisa.
Kuchengeta mvura Kuchengeta
Rheology Kudzora: Gadzirisa iyo fluidity uye kukwira kweiyo coating, uye kuvandudza brashi chiratidzo panguva yekuvaka.
2. Kuwedzera kweiyo hydroxytHyl cellulose
Pre-Dishnution nhanho mukushanda chaiko, hydroxylyl cellerose inoda kutapurwa uye yakanyungudutswa kuburikidza nekunyungudika kuburikidza pre-dissolution maitiro. Kuti ave nechokwadi chekuti cellulose anogona kutamba zvizere basa rayo, zvinowanzokurudzirwa kuchiisa mumvura kutanga, pane kuwedzera zvakananga kuCoating. Matanho chaiwo ari seanotevera:
Sarudza yakafanira solvent: kazhinji mvura inoshandiswa inoshandiswa solvent. Kana paine mamwe organc sol solated system, mamiriro ekupaza anoda kugadziridzwa zvinoenderana nezvivakwa zveiyo solvent.
Zvishoma nezvishoma kusasa hydroxylyl celluloseet: zvishoma nezvishoma uye zvakanyanyisa kusasa hydroxyll cellyl cellowsethyl cellylosehyl cellyloseeth cellylosehyl cellylosehyl Cellulose Iyo yekumhanyisa kumhanya inofanirwa kunonoka kudzivisa kudzikisira kudzikira kwemucheka kwemheremello kana kuumba "collid" nekuda kwekunyanyisa shear.
Kumira Dissolution: Mushure mekusasa hydroxyll Celluloseth Celluloseth Celluloseth Celluloseet, kazhinji maminitsi makumi matatu kusvika maawa akati wandei) mheremalose yakazvimba uye yakanyungudika mumvura. Iyo nguva yekunyungudika inoenderana nerudzi rwemavara, solvent tembiricha uye mamiriro ekukurudzira.
Gadzirisa tembiricha yekudziya Zvinowanzorudzirwa kudzora tembiricha yekudzidzira pakati pegumi 20 ℃ -40 ℃. Kunyanya kukwira tembiricha kunogona kukonzera kukonzeresa kusvibiswa kana mhinduro yekuuraya.
Kugadzirisa iyo PH Kukosha kweiyo Solulofility yeHydroxyll Cellelose ine hukama zvakanyanya nePP kukosha kwemhinduro. Izvo zvinowanzo nyungudika zviri nani pasi pemamiriro ezvinhu asina kwaakarerekera kana zvishoma alkaline, ne ph kukosha pakati pe6-8. Munguva yekunyungudika, iyo PH kukosha inogona kugadziriswa nekuwedzera Ammonia kana zvimwe zvinhu zveAlkaline sezvazvinodiwa.
Kuwedzera hydroxytHyl celloxalose mhinduro kune iyo inovhara system mushure mekuparadzanisa, wedzera mhinduro yekubatira. Munguva yekuwedzera maitiro, inofanira kuwedzerwa zvishoma nezvishoma uye yakamutswa ichiramba ichingove nechokwadi nekukwana kusanganisa pamwe nekubatanidza matrix. Munguva yekusanganisa, inodikanwa kusarudza yakakwana yekumhanyisa kumhanya maererano nemasisitimu akasiyana kudzivirira iyo system kubva mukupupuma kana cellulose kusvibiswa nekuda kwekunyanyisa shear simba.
Kugadzirisa viscosity mushure mekuwedzera hydroxyll cellulose, iyo viscosity yekubatanidza inogona kudzorwa nekugadzirisa huwandu hwakawedzerwa. Kazhinji, huwandu hwe hydroxytHyl cellulose Yakanyanya kukwirira kuwedzera kwekuwedzera kunogona kukonzera kuunganidza kuve kwakakura kwazvo viscosity uye fluidity isina kunaka, inokanganisa mashandiro ekuvaka; Nepo kusakwana kwekuwedzera kunogona kunge kusakwanisa kutamba basa rekuita uye kumiswa.
Kuitisa kuunganidza uye kuchengetedza kufambisa bvunzo mushure mekuwedzera hydroxethyl cellows Cherekedza sedimentation yekuvhara mushure mekumira kwenguva yakati, iyo viscosity shanduko, etc., kuongorora kugadzikana kwehydroxytl cellulose.
3. Kuchera
Dzivirira Agglomeration: Munguva yekunyungudika, hydroxytHyl cellelose iri nyore kutora mvura uye kuzvimba, saka inoda kusaswa mumvura zvishoma nezvishoma uye kuve nechokwadi chakakwana kumutsa kuti udzivise kuumbwa kwemapundu. Iyi ndiyo kiyi yekubatanidza mukuvhiya, neimwe nzira inogona kukanganisa mwero wekunyungudika uye kufanana.
Ngwarira Simba Rakakwira Mukuwedzera, mukugadzirwa kwakazotevera kugadzirwa, kushandiswa kwemidziyo yakakwirira shear inofanirwawo kudzivirirwa zvakanyanya sezvinobvira.
Dzora tembiricha yekudzvinyirira: Kana ichinyungudutsa hydroxyll cellose, tembiricha yemvura haifanire kunge yakanyanya. Zvinowanzo kukurudzirwa kuzvidzora na20 ℃ -40 ℃. Pasi pemamiriro ekunze ekushisa
Solution yekuchengetedza: HydroxyTHYL Cellulose mhinduro kazhinji inoda kugadzirira uye kushandiswa pakarepo. Kuchengetedza kwenguva refu kuchakanganisa viscosity yayo uye kugadzikana. Zvinowanzorudzirwa kugadzirira mhinduro inodiwa pazuva rekugadzira pendi kuchengetedza maitiro ayo akakwana.
Kuwedzerwa kwehydroxyethyl cellulose kune iyo pendi haisi kungoiswa pakusanganisa kwemuviri chete, asi zvakare inodawo kuita kuti ive chaiyo yekuita kuti kuve nechokwadi chekuti kusanzwisisika, kumiswa kwemvura uye kumiswa kwemvura kunoshanda zvizere. Munguva yekuwedzera maitiro, teerera kune iyo pre-danho rekupaza, kutonga kwekunze tembiricha uye ph kukosha, uye kusanganisa kwakazara mushure mekuwedzera. Iyi nhoroondo ichakonzera zvakananga kunaka uye kuita kwekuita kwependi.
Kutumira Nguva: Sep-19-2024