Tsuav yog ntxiv cov cellulose ether HPMC rau hauv cov khoom noj uas tsim nyog, cov roj uas siv thaum kib yuav raug txo kom tsawg heev, cov roj tag nrho ntawm cov khoom noj uas kib yuav raug txo kom tsawg, thiab cov saj ntawm cov khoom kib yuav raug txhim kho, lub voj voog hloov roj ntawm cov khoom noj uas kib yuav raug ncua ntev, cov khoom kib yuav raug nce ntxiv thiab tus nqi roj yuav raug txo kom tsawg.
Cov zaub mov kib yog cov zaub mov nyiam los ntawm pej xeem vim nws saj tshwj xeeb. Txawm li cas los xij, niaj hnub no kev noj zaub mov zoo dua qub, cov zaub mov kib uas muaj roj ntau kuj ua rau cov neeg siv khoom ceev faj.
Tau kawg, hauv daim ntawv thov tshwj xeeb ntawm txhua cellulose ether cov khoom noj khoom haus ntxiv tsuas yog ua tiav ib qho haujlwm, piv txwv li, cov khoom noj khoom haus-qib methylcellulose (MC) thiab hydroxypropyl methylcellulose (HPMC) tuaj yeem txo cov roj ntawm cov khoom noj kib; Cov khoom noj khoom haus-qib carboxymethyl cellulose (CMC), siv rau hauv cov khoom noj mis nyuj, tuaj yeem txhim kho qhov saj thiab txhim kho qhov ruaj khov ntawm cov protein, siv rau hauv cov txheej txheem ci, tuaj yeem tswj cov dej ntawm cov khob noom cookie; Cov khoom noj khoom haus-qib hydroxypropyl cellulose (HPC) tuaj yeem txo cov tshuaj pleev ntuj hauv cov mis, thaum tswj cov saj du thiab muag heev, thiab paub txog lub tswv yim ntawm kev noj zaub mov zoo dua.
Cov cellulose ether derivatives tau siv dav hauv kev lag luam zaub mov tau ntev. Kev hloov kho lub cev ntawm cellulose tuaj yeem tswj cov khoom rheological, hydration thiab microstructure ntawm lub cev. Tsib lub luag haujlwm tseem ceeb ntawm cov tshuaj hloov kho cellulose hauv zaub mov yog rheology, emulsification, ua npuas ncauj ruaj khov, lub peev xwm los tswj cov dej khov crystal tsim thiab loj hlob, thiab dej khi.
Pab ntau tshaj 20 lub tuam txhab tsim nqaij cuav thoob ntiaj teb los pab txhawb nqa kev siv tshuab. Cov npe lag luam hauv Asmeskas feem ntau yog tsom rau cov neeg Asmeskas thiab European saj. Lub tswv yim yog kom cog cov tshuaj ntsiav txheem, pab pawg sib txuas lus. Hauv peb lub hlis thawj zaug ntawm xyoo tas los, lawv tau ua cov nqaij cuav cuav. Peb tab tom sim hloov ntawm kev tsim khoom vector hauv chav kuaj. Tam sim no, cov nqaij cuav txawv teb chaws yog 140-150,000 yuan / ton, tab sis tus nqi qis heev. Lub tuam txhab yuav khwv tau nyiaj ntawm cellulosic ether ua ntej, thiab txhawj txog cov nyiaj ntawm cov nqaij cuav tom qab. Qhov nyuaj tshaj plaws ntawm cov nqaij cuav yog cellulose, thiab rau DuPont cellulose ether yog qhov nyuaj. Lub tuam txhab muag 70,000 txog 80,000 tons, kuj muaj 60% cov nyiaj tau los tag nrho. Cov khoom siv tshiab thiab siab tshaj plaws, Dow's thiab Shin-etsu cov khoom siv yog 20 lossis 20 xyoo, yuav los ntawm tus neeg muab khoom siv hauv lub teb chaws Yelemees. Cov mis tseem ceeb ntawm cov nqaij cuav yog qhov tseem ceeb.
Lub sijhawm tshaj tawm: Lub Yim Hli-30-2022