Cellulose etherbụ eke cellulose (a nụchara anụcha owu na osisi pulp, wdg) dị ka akụrụngwa, mgbe etherification nke a dịgasị iche iche nke usoro, bụ cellulose macromolecule hydroxyl hydrogen site ether otu akụkụ ma ọ bụ kpamkpam dochie mgbe e guzobere ngwaahịa, bụ downstream mmepụta nke cellulose. Cellulose nwere ike agbaze na mmiri, itughari alkali ngwọta na organic mgbaze mgbe etherification, na nwere thermoplastic Njirimara. Cellulose ether dị iche iche, nke a na-ejikarị arụ ọrụ, simenti, mkpuchi, ọgwụ, nri, mmanụ ala, kemịkalụ kwa ụbọchị, textile, akwụkwọ na ngwa elektrọn na ụlọ ọrụ ndị ọzọ. Dị ka ọnụ ọgụgụ nke substituents nwere ike kewaa otu ether na ngwakọta ether, dị ka ionization nwere ike kewaa ionic cellulose ether na-abụghị ionic cellulose ether. Ka ọ dị ugbu a, usoro mmepụta ngwaahịa ionic cellulose ether ionic tozuru oke, dị mfe ịme yana ọnụ ala dị ala, ihe mgbochi ụlọ ọrụ dị ala, nke a na-ejikarị na mgbakwunye nri, ihe mgbakwunye textile, kemịkalụ kwa ụbọchị na mpaghara ndị ọzọ, bụ isi ngwaahịa na-emepụta n'ahịa.
Ka ọ dị ugbu a, cellulose ether bụ isi nke ụwa bụCMC, HPMC, MC, HECna ọtụtụ ndị ọzọ,CMCmmepụta bụ nke kachasị ukwuu, na-aza ihe dị ka ọkara nke mmepụta ụwa, ebe HPMC na MC abụọ bụ ihe dịka 33% nke ihe a na-achọ n'ụwa nile, HEC bụ ihe dịka 13% nke ahịa ụwa. Ihe njedebe kachasị mkpa nke carboxymethyl cellulose (CMC) bụ ncha, na-aza ihe dịka 22% nke ahịa ahịa ala, na ngwaahịa ndị ọzọ na-ejikarị eme ihe ụlọ, nri na ọgwụ.
Ii. Ngwa mgbada
N'oge gara aga, n'ihi na mmachi chọrọ mmepe nke cellulose ether na kwa ụbọchị kemịkalụ, ọgwụ, nri, coatings na ndị ọzọ ubi na China, na-achọ cellulose ether na China bụ isi lekwasịrị n'ọhịa nke ihe owuwu, ruo taa, ụlọ ọrụ ihe ụlọ ọrụ ka nwere 33% nke ina cellulose ether na China. Dịkwa ka ether cellulose nke China n'ọhịa nke ihe owuwu ụlọ, a na-eju afọ, na kemịkalụ kwa ụbọchị, ọgwụ, nri, mkpuchi na mpaghara ndị ọzọ na-achọsi ike na-eto ngwa ngwa na mmepe nke teknụzụ ngwa. Dịka ọmụmaatụ, n'ime afọ ndị na-adịbeghị anya, capsule osisi na cellulose ether dị ka ihe bụ isi akụrụngwa, yana ngwaahịa ndị na-apụta nke anụ arụrụ arụ na cellulose ether nwere nnukwu ọchịchọ na ohere ibu.
Na ubi nke ihe owuwu, ihe atụ, cellulose ether na ndim, mmiri njigide, ngwa ngwa condensation na ndị ọzọ magburu onwe e ji mara, otú ụlọ ihe ọkwa cellulose ether ọtụtụ-eji iji melite arụmọrụ nke ụlọ ihe ngwaahịa gụnyere njikere-agwakọta ngwa agha (gụnyere mgbochi mmiri mbuaha ngwa agha na akọrọ ngwakọta ngwa agha), PVC resin n'ichepụta, latex agba, putty, wdg n'ihi na ụlọ ọrụ mmepụta ihe na ngwa ngwa nke ụlọ ọrụ larịị nke China. ọkwa nke nhazi ihe owuwu na-aga n'ihu na-akawanye mma, na ihe ndị na-azụ ahịa na-achọ gburugburu ebe obibi maka ihe owuwu ụlọ na-adịwanye elu, na-eduga n'ịchọ ether cellulose na-abụghị ionic n'ọhịa nke ihe owuwu ụlọ. N'ime oge atụmatụ afọ ise nke 13th, China kwalitere nrụzigharị nke ebe ndị dara ada na ụlọ ndị dara ada n'obodo ukwu, ma wusie ike ịrụ ihe owuwu nke obodo mepere emepe, gụnyere ime ka mmezigharị nke ebe ndị gbakọtara ọnụ na obodo nta dị n'obodo ukwu, na ịkwalite nrụzigharị zuru oke nke ebe obibi ochie na nrụzigharị nke ụlọ ochie na-adịghị mma. Na ọkara mbụ nke 2021, 755.15 nde square mita nke ohere obibi malitere, gbagoro pasent 5.5. Mpaghara ụlọ arụchara bụ 364.81 nde square, gbagoro 25.7%. Mweghachi nke ebe a gwụchara nke ezigbo ụlọ ga-eme ka ihe dị mkpa dị n'ọhịa nke cellulose ether ụlọ ihe.
3. Usoro asọmpi ahịa
China bụ a zuru ụwa ọnụ cellulose ether mmepụta mba, na ugbu ogbo nke anụ ụlọ ihe ụlọ ọkwa cellulose ether nwere ihu ọma enweta localization, Anxin Chemistry na-eduga ụlọ ọrụ na ubi nke cellulose ether, ndị ọzọ isi anụ ụlọ na-emepụta na-agụnye Kima Chemical wdg mkpuchi larịị, pharmaceutical nri ọkwa cellulose ether bụ ugbu a tumadi United States Dow, mba ọzọ dị iche iche Korea monopo, Japan monotely shinetsu na United States Dow, mba ọzọ na South Korea. Na mgbakwunye na kemịkalụ Anxin ọtụtụ ihe karịrị puku tọn iri puku tọn ụlọ ọrụ, ọtụtụ puku tọn na-abụghị ionic cellulose ether obere mmepụta ụlọ ọrụ, ọtụtụ n'ime obere ụlọ ọrụ ndị a na-emepụta ihe nlereanya nkịtị ụlọ ihe ọkwa cellulose ether, na enweghị ike na-emepụta ihe elu-ọgwụgwụ nri na ọgwụ na ngwaahịa.
Anọ, cellulose ether mbubata na mbupụ ọnọdụ
N'afọ 2020, n'ihi ọrịa na-efe efe nke esenidụt butere mbelata nke ikike mmepụta ụlọ ọrụ si mba ọzọ, mbupụ cellulose ether nke China gosipụtara usoro uto ngwa ngwa, na 2020 iji nweta mbupụ nke cellulose ether 77,272 tọn. Ọ bụ ezie na ọnụ ọgụgụ mbupụ nke cellulose ether na China na-eto ngwa ngwa, ngwaahịa ndị a na-ebupụ na-adabere na ihe ụlọ cellulose ether, ebe oke mbupụ nke ether ether nke ọgwụ na oriri cellulose dị nnọọ ntakịrị, na uru agbakwunyere nke ngwaahịa mbupụ dị ala. Ka ọ dị ugbu a, ụda mbupụ nke cellulose ether na China bụ okpukpu anọ nke mbubata, ma ụda mbupụ na-erughị okpukpu abụọ. N'ọhịa nke ngwaahịa dị elu ụlọ cellulose ether mbupụ nnọchi usoro ka bụ nnukwu ohere maka mmepe.
Oge nzipu: Eprel-25-2024