Cov cellulose ether uas tsis yog ionic yog ib yam khoom siv tshuaj tseem ceeb uas kev lag luam khoom siv hauv tsev thiab kev lag luam txheej txheem xav tau. Tam sim no, vim muaj kev nce ntxiv ntawm tag nrho cov nqi tsim khoom ntawm kev lag luam kev tsim kho hauv tsev thiab kev nthuav dav ntawm kev lag luam txheej txheem, nws qhov kev thov hauv khw tseem txuas ntxiv loj hlob.
Cellulose ether yog hais txog cov khoom sib xyaw polymer uas muaj cov qauv ether ua los ntawm cellulose. Nws yaj tau hauv dej, dilute alkali kua thiab organic solvent, thiab muaj thermos-plasticity. Nws yog dav siv hauv zaub mov, tshuaj, tshuaj txhua hnub, kev tsim kho, textile, roj av, tshuaj lom neeg, nws yog dav siv hauv coatings, electronics thiab lwm yam teb. Raws li cov yam ntxwv ionization sib txawv, cellulose ethers tuaj yeem faib ua peb pawg: non-ionic cellulose ethers, ionic cellulose ethers, thiab mixed cellulose ethers.
Piv nrog rau cov ionic thiab sib xyaw cellulose ethers, cov non-ionic cellulose ethers muaj kev tiv taus kub zoo dua, tiv taus ntsev, solubility dej, tshuaj lom neeg ruaj khov, tus nqi qis dua thiab cov txheej txheem laus dua, thiab tuaj yeem siv ua cov neeg sawv cev tsim zaj duab xis, Emulsifiers, thickeners, cov neeg sawv cev khaws dej, binders, stabilizers thiab lwm yam tshuaj ntxiv yog siv dav hauv kev tsim kho, coatings, tshuaj txhua hnub, khoom noj, textiles thiab lwm yam teb, thiab kev ua lag luam muaj kev cia siab dav rau kev txhim kho. Tam sim no, cov non-ionic cellulose ethers feem ntau suav nrog hydroxypropyl methyl (HPMC), hydroxyethyl methyl (HEMC), methyl (MC), hydroxypropyl (HPC), hydroxyethyl (HEC) thiab lwm yam.
Nonionic cellulose ether yog ib yam khoom siv tshuaj tseem ceeb uas kev lag luam khoom siv hauv tsev thiab kev lag luam txheej txheem xav tau. Tam sim no, kev thov ua lag luam rau nws txuas ntxiv loj hlob raws li keeb kwm yav dhau los ntawm kev nce ntxiv tas li ntawm tag nrho cov txiaj ntsig ntawm kev lag luam tsim kho hauv tsev thiab kev nthuav dav tas li ntawm kev lag luam txheej txheem. Raws li cov ntaub ntawv los ntawm Lub Chaw Haujlwm Saib Xyuas Kev Txheeb Xyuas Hauv Tebchaws, tag nrho cov txiaj ntsig ntawm kev lag luam tsim kho hauv tebchaws hauv peb lub hlis twg ntawm xyoo 2022 yog 20624.6 billion yuan, nce 7.8% piv rau lub sijhawm tib yam xyoo tas los. Hauv qhov no, raws li "2023-2028 Tuam Tshoj Nonionic Cellulose Ether Kev Lag Luam Daim Ntawv Thov Kev Lag Luam Kev Xav Tau thiab Kev Txhim Kho Lub Sijhawm Tshawb Fawb" tso tawm los ntawm Xin si jie Kev Lag Luam Tshawb Fawb Chaw, qhov ntim muag khoom ntawm kev lag luam nonionic cellulose ether hauv tsev hauv xyoo 2022 yuav ncav cuag 172,000 tons, nce txhua xyoo ntawm 2.2%.
Ntawm lawv, HEC yog ib qho ntawm cov khoom tseem ceeb hauv kev lag luam cellulose ether hauv tsev uas tsis yog ionic. Nws yog hais txog cov khoom siv tshuaj uas tau npaj los ntawm paj rwb pulp ua cov khoom siv raw los ntawm alkalization, etherification, thiab post-treatment. Nws tau siv rau hauv kev tsim kho, Nyiv Pooj, thiab lwm yam. Tshuaj lom neeg, kev tiv thaiv ib puag ncig thiab lwm yam teb tuaj yeem siv dav. Tsav los ntawm kev loj hlob tas mus li ntawm kev thov, qib kev tsim khoom ntawm cov tuam txhab HEC hauv tsev tau txhim kho tas li. Ntau lub tuam txhab ua lag luam nrog cov thev naus laus zis thiab qhov zoo ntawm qhov ntsuas tau tshwm sim, xws li Yi Teng Cov Khoom Tshiab, Yin Ying Cov Khoom Tshiab, thiab TAIAN Rui tai, thiab qee cov khoom tseem ceeb ntawm cov tuam txhab no tau mus txog qib thoob ntiaj teb. Tsav los ntawm kev loj hlob sai ntawm cov lag luam hauv yav tom ntej, qhov kev loj hlob ntawm kev lag luam cellulose ether hauv tsev uas tsis yog ionic yuav zoo.
Cov kws tshuaj ntsuam kev lag luam Xin Si Jie tau hais tias cov cellulose ether uas tsis yog ionic yog ib hom khoom siv polymer uas muaj kev ua tau zoo heev thiab siv tau dav. Vim muaj kev loj hlob sai ntawm nws txoj kev lag luam, cov tuam txhab lag luam hauv tsev hauv daim teb no tau nce ntxiv. Cov tuam txhab tseem ceeb suav nrog Hebei SHUANG NIU, Tai An Rui Tai, Shandong Yi Teng, Shang Yu Chuang Feng, North Tian Pu, Shandong He da, thiab lwm yam, kev sib tw ua lag luam tau dhau los ua qhov hnyav dua. Hauv qhov no, qhov sib xws ntawm cov khoom lag luam cellulose ether uas tsis yog ionic hauv tsev tau dhau los ua qhov tseem ceeb dua. Yav tom ntej, cov tuam txhab hauv zos yuav tsum ua kom nrawm dua kev tshawb fawb thiab kev tsim cov khoom lag luam zoo thiab sib txawv, thiab kev lag luam muaj chav loj rau kev loj hlob.
Lub sijhawm tshaj tawm: Lub Peb Hlis-28-2023