Cellulose etherỌ bụ cellulose eke (owu a nụchara anụcha na pulp osisi, wdg) dị ka ihe eji emepụta ihe, mgbe e mechara etherification nke ọtụtụ ihe ndị sitere na ya, bụ cellulose macromolecule hydroxyl hydrogen site na otu ether nke ether gbanwere akụkụ ma ọ bụ kpamkpam mgbe e guzobere ngwaahịa, bụ ihe ndị sitere na cellulose. Enwere ike ịgbaze cellulose na mmiri, gwakọta ngwọta alkali na ihe mgbaze organic mgbe etherification gasịrị, ma nwee ihe onwunwe thermoplastic. Ụdị cellulose ether, nke a na-ejikarị eme ihe owuwu, simenti, mkpuchi, ọgwụ, nri, mmanụ ala, kemịkalụ kwa ụbọchị, ákwà, akwụkwọ na ihe eletrọnịkị na ụlọ ọrụ ndị ọzọ. Dịka ọnụọgụgụ ihe ndị na-anọchi anya ya si dị, enwere ike kewaa ya n'ime otu ether na ether agwakọtara agwakọta, dịka ionization si dị, enwere ike kewaa ya n'ime ionic cellulose ether na non-ionic cellulose ether. Ugbu a, usoro mmepụta ngwaahịa ionic cellulose ether ionic bụ nke tozuru okè, dị mfe ime ma dị ọnụ ala, ihe mgbochi ụlọ ọrụ dị ala, nke a na-ejikarị eme ihe na mgbakwunye nri, ihe mgbakwunye ákwà, kemịkalụ kwa ụbọchị na ubi ndị ọzọ, bụ ngwaahịa mmepụta bụ isi na ahịa.
Ugbu a, cellulose ether bụ isi ihe dị mkpa n'ụwa.CMC, HPMC, MC, HECna ọtụtụ ndị ọzọ,CMCmmepụta bụ nke kachasị ukwuu, na-aza ihe dị ka ọkara nke mmepụta zuru ụwa ọnụ, ebe HPMC na MC abụọ na-aza ihe dị ka 33% nke ọchịchọ zuru ụwa ọnụ, HEC na-aza ihe dị ka 13% nke ahịa zuru ụwa ọnụ. Ojiji kachasị mkpa nke carboxymethyl cellulose (CMC) bụ ịsa ákwà, nke na-aza ihe dị ka 22% nke ọchịchọ ahịa dị ala, a na-ejikwa ngwaahịa ndị ọzọ eme ihe n'ihe owuwu ụlọ, nri na ọgwụ.
Ii. Ngwa dị n'okpuru
N'oge gara aga, n'ihi mmụba dị oke mkpa nke cellulose ether na kemịkalụ kwa ụbọchị, ọgwụ, nri, mkpuchi na mpaghara ndị ọzọ na China, ọchịchọ maka cellulose ether na China na-elekwasị anya n'ihe gbasara ihe owuwu ụlọ, ruo taa, ụlọ ọrụ ihe owuwu ka na-ejide 33% nke ọchịchọ maka cellulose ether na China. Dịka cellulose ether nke China n'ihe gbasara ihe owuwu ụlọ, ọchịchọ ejula afọ, na kemịkalụ kwa ụbọchị, ọgwụ, nri, mkpuchi na mpaghara ndị ọzọ achọrọ na-eto ngwa ngwa na mmepe nke teknụzụ ngwa. Dịka ọmụmaatụ, n'afọ ndị na-adịbeghị anya, capsule osisi nwere cellulose ether dị ka ihe bụ isi eji emepụta ihe, yana ngwaahịa ndị na-apụta na-apụta nke ejiri anụ arụ rụọ na cellulose ether nwere atụmanya sara mbara na ohere uto.
Dịka ọmụmaatụ, n'ihe gbasara ihe owuwu ụlọ, dịka ọmụmaatụ, cellulose ether nwere oke ọkpụrụkpụ, njigide mmiri, mmiri na-agbapụta nwayọ nwayọ na njirimara ndị ọzọ dị mma, yabụ a na-eji ihe owuwu ụlọ ọkwa cellulose ether eme ihe nke ọma iji melite arụmọrụ nke ngwaahịa ihe owuwu ụlọ gụnyere ngwa agha agwakọtara (gụnyere ngwa agha agwakọtara mmiri na ngwa agha agwakọtara akọrọ), imepụta resin PVC, agba latex, putty, wdg. N'ihi mmụba nke ọkwa obodo ukwu na China, mmepe ngwa ngwa nke ụlọ ọrụ ihe owuwu ụlọ, ọkwa nke igwe owuwu ụlọ na-aga n'ihu na-aka mma, ihe ndị ahịa chọrọ maka ihe owuwu ụlọ na-abawanye elu, na-eduga n'ọchịchọ maka cellulose ether na-abụghị ionic n'ihe gbasara ihe owuwu ụlọ. N'oge Atụmatụ Afọ Ise nke 13, China mere ka mmezi nke mpaghara ndị dara ada na ụlọ ndị dara ada n'obodo ukwu dịkwuo ngwa ngwa, ma mee ka owuwu nke akụrụngwa obodo sie ike, gụnyere ime ka mmezi nke mpaghara na obodo nta ndị dị n'obodo ukwu dịkwuo ngwa ngwa, na ịkwalite mmezi zuru oke nke ebe obibi ochie na imeghari ụlọ ochie ndị dara ada na ụlọ ndị na-ezughị ezu. N'ọkara mbụ nke afọ 2021, e bidoro ime ụlọ nke ruru nde square mita 755.15, nke rịrị elu pasent 5.5. Ebe obibi emechara bụ mita square mita 364.81 nde, nke rịrị elu pasent 25.7%. Mweghachi nke ebe obibi emechara ga-akpali ọchịchọ dị mkpa n'ihe gbasara ihe owuwu cellulose ether.
3. Ụkpụrụ asọmpi ahịa
China bụ mba ụwa na-emepụta cellulose ether, n'oge a nke ọkwa ihe owuwu ụlọ, cellulose ether enwetala ebe obibi, Anxin Chemistry bụ isi ụlọ ọrụ na-eduga na ngalaba cellulose ether, ndị ọzọ na-emepụta ihe n'ime ụlọ gụnyere Kima Chemical wdg. Ọkwa mkpuchi, cellulose ether bụ isi ugbu a na United States Dow, Ashland, Japan shinetsu, South Korea Lotte na ndị ọzọ na-ere ahịa mba ọzọ. Na mgbakwunye na kemịkalụ Anxin ọtụtụ ụlọ ọrụ karịrị puku tọn iri, ọtụtụ puku tọn nke cellulose ether obere ụlọ ọrụ mmepụta, ọtụtụ n'ime obere ụlọ ọrụ ndị a na-emepụta ihe nlereanya nkịtị nke ihe owuwu ụlọ, enweghịkwa ike ịmepụta ngwaahịa nri na ọgwụ dị elu karịa.
Anọ, ọnọdụ mbubata na mbupụ cellulose ether
Na 2020, n'ihi ọrịa na-efe efe nke mba ofesi butere mbelata ikike mmepụta nke ụlọ ọrụ mba ofesi, mbupụ cellulose ether nke China gosipụtara mmụba ngwa ngwa, na 2020 iji nweta mbupụ cellulose ether 77,272 tọn. Ọ bụ ezie na olu mbupụ cellulose ether na China na-eto ngwa ngwa, ngwaahịa mbupụ na-adaberekarị na ihe owuwu cellulose ether, ebe olu mbupụ nke cellulose ether ọgwụ na nri dị obere, uru agbakwunyere nke ngwaahịa mbupụ dịkwa ala. Ugbu a, olu mbupụ cellulose ether na China dị okpukpu anọ olu mbubata, mana olu mbupụ erughị okpukpu abụọ nke ego mbubata. N'ọhịa nke ngwaahịa dị elu, usoro nnọchi mbupu cellulose ether ka bụ nnukwu oghere maka mmepe.
Oge ozi: Eprel-25-2024