Cellulose etherSezvinhu zvakasikwa (donje rakacheneswa uye pulp yehuni, nezvimwewo) sezvinhu zvakabikwa, mushure mekupiswa kwemarudzi akasiyana-siyana ezvinogadzirwa, i cellulose macromolecule hydroxyl hydrogen neboka re ether inotsiviwa zvishoma kana zvachose mushure mekuumbwa kwezvigadzirwa, ndiyo inobviswa pasi pe cellulose. Cellulose inogona kunyungudutswa mumvura, kuderedza alkali solution uye organic solvent mushure mekupiswa, uye ine thermoplastic properties. Cellulose ether mhando, inoshandiswa zvakanyanya mukuvaka, simende, kuputira, mushonga, chikafu, petroleum, daily chemical, textile, bepa uye electronic components nedzimwe maindasitiri. Zvichienderana nehuwandu hwezvinotsiva zvinogona kupatsanurwa kuita single ether uye mixed ether, zvichienderana ne ionization inogona kupatsanurwa kuita ionic cellulose ether uye non-ionic cellulose ether. Parizvino, ionic cellulose ether ionic product production process yakakura, iri nyore kugadzira uye inodhura zvishoma, zvipingamupinyi zveindasitiri zvakaderera, zvinonyanya kushandiswa mu food additives, textile additives, daily chemical nezvimwe, ndiyo hombe production products pamusika.
Parizvino, cellulose ether inonyanya kushandiswa pasi rose iriCMC, HPMC, MC, HECnedzimwe dzakawanda,CMCChinobuda ndicho chikuru, chichiita hafu yezvinobuda pasi rose, nepo HPMC neMC zvese zvichitora 33% yezvinodiwa pasi rose, HEC ichitora 13% yemusika wepasi rose. Chinhu chakakosha chekushandisa carboxymethyl cellulose (CMC) idetergent, inotora 22% yezvinodiwa pasi rose, uye zvimwe zvigadzirwa zvinonyanya kushandiswa mukuvaka, chikafu nemishonga.
II. Kushandiswa kwemvura iri pasi
Kare, nekuda kwekushomeka kwekukura kwe cellulose ether mumakemikari ezuva nezuva, mishonga, chikafu, machira nezvimwe zvinhu muChina, kudiwa kwe cellulose ether muChina kwakanyanya kutaurwa nezvezvinhu zvekuvaka, kusvika nhasi, indasitiri yezvinhu zvekuvaka ichiri kutora 33% yezvinodiwa zve cellulose ether muChina. Uye se cellulose ether yeChina mumunda wezvinhu zvekuvaka zvazara, mumakemikari ezuva nezuva, mishonga, chikafu, machira nezvimwe zvinhu zviri kudiwa zviri kukura nekukurumidza nekuvandudzwa kwetekinoroji yekushandisa. Semuenzaniso, mumakore achangopfuura, kapisiyu yemiti ine cellulose ether sezvinhu zvikuru zvekugadzira, pamwe chete nezvigadzirwa zviri kubuda zvakagadzirwa nenyama yekugadzira ine cellulose ether zvine mukana wakakura wekukura.
Mundima yezvinhu zvekuvaka, semuenzaniso, cellulose ether ine kukora, kuchengetedza mvura, kudzika kwemvura uye humwe hunhu hwakanaka, saka cellulose ether yemhando yepamusoro yezvinhu zvekuvaka inoshandiswa zvakanyanya kuvandudza mashandiro ezvigadzirwa zvekuvaka zvinosanganisira dhaka rakasanganiswa (kusanganisira dhaka rakasanganiswa rakanyorova uye dhaka rakasanganiswa rakaoma), kugadzira resin yePVC, pendi yelatex, putty, nezvimwewo. Nekuda kwekuvandudzwa kwehuwandu hwemaguta muChina, kukura nekukurumidza kweindasitiri yezvinhu zvekuvaka, huwandu hwemichina yekuvaka huri kuramba huchivandudzika, uye zvinodiwa nevatengi zvezvakatipoteredza zvezvinhu zvekuvaka zviri kuramba zvichikwira, zvichikonzera kudiwa kwe non-ionic cellulose ether mumunda wezvinhu zvekuvaka. Munguva yechirongwa chemakore mashanu chegumi nematatu, China yakakurumidzisa kugadziriswa kwenzvimbo dzakaparadzwa nedzimba dzakaora mumaguta, uye yakasimbisa kuvaka kwezvivakwa zvemaguta, kusanganisira kukurumidzisa kugadziriswa kwenzvimbo dzakaparadzwa nemisha mumaguta, uye kusimudzira zvakarongeka kugadziriswa kwenzvimbo dzekugara dzekare uye kugadzirisa dzimba dzekare dzakaora nedzimba dzisina kukwana. Muhafu yekutanga yegore ra2021, nzvimbo yekugara inosvika mamiriyoni 755.15 emamiriyoni yakatangwa, yakawedzera ne5.5 muzana. Nzvimbo yekugara yakapedzwa i364.81 miriyoni emamiriyoni emakiromita, yakawedzera ne25.7%. Kudzoka kwenzvimbo yekugara yakapedzwa kuchawedzera kudiwa kwakakodzera mumunda wezvinhu zvekuvaka zve cellulose ether.
3. Maitiro emakwikwi emusika
China inyika yepasi rose inogadzira cellulose ether, padanho razvino rekugadzira zvinhu zvekuvaka zvemumba, cellulose ether yave neruzivo rwenzvimbo, Anxin Chemistry inotungamira mumakambani ekugadzira cellulose ether, vamwe vagadziri vakuru vemumba vanosanganisirawo Kima Chemical nezvimwewo. Padanho rekuputira, mishonga yekudya yemhando ye cellulose ether parizvino inonyanya kuve United States Dow, Ashland, Japan shinetsu, South Korea Lotte nedzimwe nyika dzekunze. Kuwedzera kuAnxin chemistry, matani anopfuura zviuru gumi emakambani, matani zviuru zvematani emakambani madiki ekugadzira asiri ionic cellulose ether, mazhinji emabhizinesi madiki aya anogadzira ether yemhando yemhando yekuvaka yemhando ye cellulose ether, uye hapana simba rekugadzira zvigadzirwa zvepamusoro-soro zvechikafu nemishonga.
China, cellulose ether kupinza uye kutumira kunze mamiriro ezvinhu
Muna 2020, nekuda kwedenda rekunze kwenyika, zvakakonzera kudzikira kwesimba rekugadzira mabhizinesi ekunze, kutengeswa kwe cellulose ether muChina kwakaratidza kukura nekukurumidza, muna 2020 kwakawana matani 77,272 ekutengesa kunze kwenyika. Kunyangwe huwandu hwe cellulose ether muChina huchikura nekukurumidza, zvigadzirwa zvekunze zvinovakirwa zvakanyanya kubva pazvinhu zvekuvaka se cellulose ether, nepo huwandu hwe cellulose ether yekurapa neinodyiwa hushoma kwazvo, uye kukosha kwekuwedzera kwezvinhu zvekunze kwakaderera. Parizvino, huwandu hwe cellulose ether muChina hwakapetwa kana kupfuura huwandu hwekunze, asi huwandu hwekunze hwakapetwa kaviri kupfuura huwandu hwekunze. Mumunda wezvigadzirwa zvepamusoro, nzira yekutsiva cellulose ether yekunze ichiri nzvimbo yakakura yekuvandudza.
Nguva yekutumira: Kubvumbi-25-2024