Cellulose etherbụ okwu n'ozuzu maka ụdị dị iche iche nke enwetara site na cellulose eke (owu a nụchara anụcha na pulp osisi, wdg) Ihe na-esi na ya pụta bụ ihe mgbada nke cellulose. Mgbe etherification, cellulose bụ soluble na mmiri, itughari alkali ngwọta na organic mgbaze, na nwere thermoplasticity. Enwere ọtụtụ ụdị cellulose ethers, nke a na-ejikarị arụ ọrụ, simenti, agba, ọgwụ, nri, mmanụ ala, kemịkalụ kwa ụbọchị, textiles, mpempe akwụkwọ na ngwa eletrọnịkị na ụlọ ọrụ ndị ọzọ. Dị ka ọnụ ọgụgụ nke ndị nọchiri anya ya, enwere ike kewaa ya n'ime otu ether na ngwakọta ether, na dịka ionization si kwuo, enwere ike kewaa ya na ionic cellulose ether na ndị na-abụghị ionic cellulose ether. Ka ọ dị ugbu a, ngwaahịa ionic cellulose ether ionic nwere teknụzụ mmepụta tozuru oke, nkwadebe dị mfe, ọnụ ala dị ọnụ ala, yana ihe mgbochi ụlọ ọrụ dị obere. A na-ejikarị ha eme ihe na mgbakwunye nri, ihe inyeaka akwa, kemịkalụ kwa ụbọchị na ubi ndị ọzọ, yana ngwaahịa bụ isi n'ahịa.
Ka ọ dị ugbu a, ethers cellulose bụ isi nke ụwa bụCMC, HPMC, MC, HEC, wdg. N'ime ha, CMC nwere nnukwu mmepụta, na-aza ihe dị ka ọkara nke mmepụta ụwa, ebe HPMC na MC na-akpata ihe dịka 33% nke ụwa chọrọ, naHECna-eme ihe dịka 50% nke ihe a chọrọ n'ụwa niile. 13% nke ahịa. Ihe njedebe kachasị mkpa nke carboxymethyl cellulose (CMC) bụ ncha, na-aza ihe dị ka 22% nke ahịa ahịa ala, na ngwaahịa ndị ọzọ na-ejikarị eme ihe n'ọhịa nke ihe owuwu ụlọ, nri na ọgwụ.
Ngwa mgbada
N'oge gara aga, n'ihi oke mmepe nke mba m na-achọ cellulose ether na ubi nke kemịkalụ kwa ụbọchị, ọgwụ, nri, mkpuchi, wdg, ọchịchọ maka cellulose ether na China bụ isi na-elekwasị anya n'ọhịa nke ihe owuwu ụlọ. Ruo taa, ụlọ ọrụ ihe owuwu ụlọ ka na-akwụ ụgwọ maka 33% nke mba m chọrọ cellulose ether. Ọchịchọ maka cellulose ether nke obodo m n'ihe gbasara ihe owuwu abawanyela, na ọchịchọ nke kemịkalụ kwa ụbọchị, ọgwụ, nri, mkpuchi, wdg na-eto ngwa ngwa na mmepe nke teknụzụ ngwa. Dịka ọmụmaatụ, n'afọ ndị na-adịbeghị anya, capsules akwukwo nri nwere cellulose ether dị ka isi ihe eji eme ihe, na anụ arụrụ arụ, ngwaahịa na-apụta na cellulose ether, nwere atụmanya dị ukwuu na ohere maka itolite.
N'iji mpaghara nke ihe owuwu ụlọ dị ka ihe atụ, cellulose ether nwere ihe ndị magburu onwe ya dị ka ịgbatị, njide mmiri, na nkwụsị. Ya mere, a na-eji cellulose ether ihe ụlọ eme ihe n'ọtụtụ ebe iji melite mmepụta ngwa ngwa ngwa ngwa (gụnyere ngwa ngwa agwakọta mmiri na mmiri akọrọ), resin PVC, wdg, agba latex, putty, wdg, gụnyere arụmọrụ nke. ụlọ ihe onwunwe ngwaahịa. N'ihi mmụba nke ọkwa obodo m nke obodo m, mmepe ngwa ngwa nke ụlọ ọrụ ihe owuwu ụlọ, ọganihu na-aga n'ihu nke ọkwa nhazi ihe owuwu, na mmụba nke nchebe gburugburu ebe obibi nke ndị na-azụ ahịa maka ihe owuwu ụlọ emeela ka a na-achọ ndị na-abụghị ionic cellulose ethers. n'ubi ihe owuwu ụlọ. N'ime oge atụmatụ afọ ise nke iri na atọ, obodo m mere ka mgbanwe nke ime obodo mepere emepe na ụlọ ndị dara ada, wusie ike n'iwu ihe owuwu obodo, gụnyere ime ngwa ngwa mgbanwe nke obodo nta na obodo mepere emepe, na-akwalite nrụzigharị zuru oke nke ụlọ obibi ochie. ụlọ ochie dara ada na ihe anaghị ezu ezu Mwezigharị ụlọ na ndị ọzọ. Na ọkara mbụ nke 2021, mpaghara ụlọ obibi ọhụrụ malitere bụ 755.15 nde square mita, mmụba nke 5.5%. Ebe obibi arụchara bụ 364.81 nde square, mmụba nke 25.7%. Mweghachi nke ebe a gwụchara nke ezigbo ụlọ ga-eme ka ihe ndị metụtara ya dị n'ọhịa nke cellulose ether ụlọ ihe owuwu.
Ụkpụrụ asọmpi ahịa
Obodo m bụ nnukwu onye na-emepụta cellulose ether n'ụwa. N'oge a, ihe eji ewu ụlọ grade cellulose ether ka etinyere ya n'ụzọ bụ isi. Shandong Heda bụ ụlọ ọrụ na-eduga na ngalaba nke cellulose ether na China. Ndị ọzọ na-emepụta ụlọ na-agụnye Shandong Ruitai, Shandong Yiteng, na North Tianpu Chemical, Yicheng Cellulose, wdg. mkpuchi-ọkwa, ọgwụ na nri-ọkwa cellulose ethers na-ugbu a tumadi monopolized site mba ọzọ ụlọ ọrụ dị ka Dow, Ashland, Shin-Etsu, na Lotte. Na mgbakwunye na Shandong Heda na ụlọ ọrụ ndị ọzọ nwere ikike karịrị 10,000 tọn, e nwere ọtụtụ ndị na-emepụta obere ndị na-emepụta ihe na-abụghị ionic cellulose ethers nwere ikike nke 1,000 tọn. Nri dị elu na ngwaahịa ọkwa ọgwụ.
Bubata na mbupụ nke cellulose ether
N'afọ 2020, n'ihi mbelata nke mmepụta nke ụlọ ọrụ ndị si mba ọzọ n'ihi ọrịa na-efe efe nke mba ọzọ, oke mbupụ nke cellulose ether na mba m egosiwo ọganihu ngwa ngwa. Na 2020, mbupụ cellulose ether ga-eru tọn 77,272. N'agbanyeghị oke mbupụ nke obodo mcellulose etheramụbaala ngwa ngwa, ngwaahịa ndị a na-ebupụ na-abụkarị ihe na-ewu cellulose ether, ebe oke mbupụ nke ọgwụ na nri cellulose ether dị ntakịrị, na uru agbakwunyere nke ngwaahịa mbupụ dị ala. Ka ọ dị ugbu a, ụda mbupụ nke cellulose ether nke mba m bụ okpukpu anọ nke mbubata, mana ọnụahịa mbupụ erughị okpukpu abụọ nke mbubata. N'ọhịa nke ngwaahịa dị elu, usoro ngbanwe mbupụ nke cellulose ether ka nwere ọtụtụ ohere maka mmepe.
Oge nzipu: Eprel-26-2024