Cellulosendicho chikamu chikuru chechirimwa masero madziro, uye ndiyo yakanyanya kuparadzirwa uye yakawanda kwazvo polysaccharide muchisikigo, inoverengera inodarika 50% yekabhoni yemukati muumambo hwechirimwa. Pakati pavo, iyo cellulose yemukati yekotoni iri padyo ne100%, inova ndiyo yakachena yakasarudzika cellulose sosi. Kazhinji huni, cellulose inotora 40-50%, uye kune 10-30% hemicellulose uye 20-30% lignin. Cellulose ether ishoko rinowanzoreva zvakasiyana-siyana zvinotorwa kubva kune zvakasikwa cellulose seyakagadzirwa kuburikidza ne etherification. Icho chigadzirwa chakaumbwa mushure memapoka e-hydroxyl pa cellulose macromolecules akatsiviwa zvishoma kana zvachose nemapoka ether. Kune intra-cheni uye inter-cheni hydrogen zvisungo mu cellulose macromolecules, izvo zvakaoma kunyungudika mumvura uye zvinenge zvose organic solvents, asi pashure etherification, kuiswa ether mapoka anogona kuvandudza hydrophilicity uye zvikuru kuwedzera solubility mumvura uye organic zvinonyungudutsa. Solubility properties.
Cellulose ether ine mukurumbira we "industrial monosodium glutamate". Iyo ine yakanakisa zvimiro senge mhinduro kukobvu, kunaka kunyungudika kwemvura, kumiswa kana latex kugadzikana, kugadzira firimu, kuchengetedza mvura, uye kunamatira. Iyo zvakare isiri-chepfu uye haina kuravira, uye inoshandiswa zvakanyanya muKuvaka, mushonga, chikafu, machira, makemikari emazuva ese, petroleum kuongorora, migodhi, kugadzira mapepa, polymerization, aerospace uye mamwe akawanda minda. Cellulose ether ine mabhenefiti ekushandisa kwakafara, diki mashandisirwo eyuniti, yakanaka gadziriso maitiro, uye kushamwaridzana kwezvakatipoteredza. Inogona kuvandudza zvakanyanya uye kukwidziridza kuita kwechigadzirwa mumunda wekuwedzera kwayo, izvo zvinobatsira mukuvandudza zviwanikwa zvekushandisa zvakanaka uye chigadzirwa chakawedzerwa kukosha. Zvakatipoteredza zvine hushamwari zvinowedzera izvo zvakakosha munzvimbo dzakasiyana-siyana.
Zvinoenderana neionization ye cellulose ether, mhando yezvinotsiva uye mutsauko mukunyungudika, cellulose ether inogona kuiswa muzvikamu zvakasiyana. Zvinoenderana nemhando dzakasiyana dzezvinotsiva, cellulose ethers inogona kupatsanurwa kuita ether imwechete uye yakasanganiswa ether. Zvinoenderana nekunyungudika, cellulose ether inogona kukamurwa kuita inonyungudika nemvura uye isinganyungudika mvura. Zvinoenderana neionization, inogona kukamurwa kuita ionic, isiri-ionic uye yakasanganiswa zvigadzirwa. Pakati pemvura-inonyungudika cellulose ethers, asiri-ionic cellulose ethers akadai seHPMC ane zvakanyanya nani kupisa tembiricha uye kuramba munyu pane ionic cellulose ethers (CMC).
Selulosi ether inosimudzira sei muindasitiri?
Cellulose ether inogadzirwa kubva kudonje rakanatswa kuburikidza nealkalization, etherification uye mamwe matanho. Maitiro ekugadzira emishonga giredhi HPMC uye chikafu giredhi HPMC zvakangofanana. Kuenzaniswa nekuvaka zvinhu-giredhi cellulose ether, kugadzirwa kwemishonga-giredhi HPMC uye chikafu-giredhi HPMC inoda yakarongwa etherification, iyo yakaoma, yakaoma kudzora maitiro ekugadzira, uye inoda kuchena kwakanyanya kwemidziyo uye nharaunda yekugadzira.
Zvinoenderana nedata rakapihwa neChina Cellulose Indasitiri Association, huwandu hwese hwekugadzira hwevasiri-ionic cellulose ether vagadziri vane hombe yekugadzira mudzimba, seHercules Temple, Shandong Heda, nezvimwewo, inodarika makumi mashanu muzana yenyika yese yekugadzira. Kune mamwe akawanda madiki asiri-ionic cellulose ether vagadziri vane hunyanzvi hwekugadzira isingasviki 4,000 matani. Kunze kwemabhizinesi mashoma, mazhinji acho anogadzira akajairwa zvekuvakisa giredhi cellulose ethers, ane huwandu hwekugadzira hunosvika 100,000 matani pagore. Nekuda kwekushomeka kwesimba remari, mabhizinesi madiki mazhinji anotadza kuzadzisa zviyero mukuchengetedza kwezvakatipoteredza mukudyara kwemvura uye kupera gasi kurapwa kuitira kudzikisa mutengo wekugadzira. Sezvo nyika uye nzanga yese vachibhadhara zvakanyanya uye zvakanyanya kuchengetedzwa kwezvakatipoteredza, iwo mabhizinesi ari muindasitiri asingakwanisi kuzadzisa zvinodiwa zvekuchengetedzwa kwezvakatipoteredza anozovhara zvishoma nezvishoma kana kuderedza kugadzirwa. Panguva iyoyo, kuwanda kweindasitiri yekugadzira cellulose ether yenyika yangu kuchawedzera kuwedzera.
Mitemo yekuchengetedzwa kwezvakatipoteredza iri kuramba ichiwedzera kuomarara, uye zvinodiwa zvakasimba zvinoiswa pamberi pekuchengetedzwa kwezvakatipoteredza tekinoroji uye kudyara mukugadzira nzira.cellulose ether. Yepamusoro-yakajairwa kuchengetedzwa kwezvakatipoteredza matanho anowedzera mutengo wekugadzira wemabhizinesi uye zvakare inoumba yakakwira chikumbaridzo chekuchengetedzwa kwezvakatipoteredza. Mabhizinesi asingakwanise kuzadzisa zvinodiwa zvekuchengetedza kwezvakatipoteredza angangovharwa zvishoma nezvishoma kana kuderedza kugadzirwa nekuda kwekutadza kuzadzisa zviyero zvekuchengetedza kwezvakatipoteredza. Zvinoenderana neprospectus yekambani, mabhizinesi anodzikisira zvishoma nezvishoma kugadzira uye kumisa kugadzirwa nekuda kwekuchengetedza kwezvakatipoteredza zvinhu zvinogona kusanganisira kuwanikwa kweanosvika zviuru makumi matatu zvematani / gore zveyakajairwa kuvaka giredhi cellulose ether, izvo zvinobatsira mukuwedzera kwemabhizinesi anobatsira.
Kubva pane cellulose ether, inoramba ichiwedzera kusvika kune yakakwirira-yekupedzisira uye yakakwirira-yakawedzerwa zvigadzirwa
Nguva yekutumira: Kubvumbi-25-2024