I. Okwu Mmalite
Hydroxyethythythythythythythythythythythythythythythyth bụ mmiri na-abụghị nke ionic na-ejikarị ya na mmịpụta mmanụ, mkpuchi, kemịkalụ, kemịkalụ, mpempe akwụkwọ na mpaghara ndị ọzọ. A na - enweta HEC site na igodo kemịkal nke cellose, na ihe ya na ojiji na-ezubekarị site na hydroxyethyl na ụmụ irighiri akwara.
II. Usoro mmepụta
Usoro mmepụta nke Hec kacha gụnyere usoro ndị a: cellosulification, ịsacha, akpịrị, ihicha na egweri. Ihe ndị a bụ mmeghe zuru ezu na usoro nke ọ bụla:
Cellugul
A na-ebu ụzọ mesoo alkali iji mepụta alkali cellulose (alkali celkali). A na-ebugharị usoro a na ihe mmeghachi omume, na-eji sodium hydroxide a ga-agwọ ọrịa sel sellulose iji mepụta alkali cellulose. Mmeghachi omume kemịkal dị ka ndị a:
Cell-oh + nao ma ọ bụ cell-o-+ H2OCell-O Oh Eeh Na na → Cell-O. 2o
Mgbe ahụ, alkali cellulose na-emegharị ya na ethylene oxide iji mepụta hydroxyethythythythythythyythythythythythythyl cellulose. A na-eme mmeghachi omume ahụ n'okpuru nrụgide dị elu, na-abụkarị 30-100 Celsius C, na mmeghachi omume dị iche iche bụ ka ndị a:
Cell-o-+ ch2K2O → Cell-O-Ch2HCell-O-ch 2ch 2O → Cell-ch 2CH
Mmeghachi omume a chọrọ nchịkwa nke okpomọkụ, nrụgide na ego nke ethylene oxide agbakwunye iji hụ na otu ngwaahịa na ogo ngwaahịa ahụ.
Asacha
Ihe ndị a na-esite na ya na-enwekarị alkali, athene oxide na ngwaahịa ndị ọzọ, nke na-eme ka ọ na-asa ahụ ma ọ bụ ihe solvent solvent. A chọrọ nnukwu mmiri n'oge mmiri ịsa mmiri, na Lotheweter mgbe ị sachara kwesịrị ka a na-agwọ ya ma chụpụ ya.
Akpiri na-agba ume
Hec Hec mgbe ịsacha kwesịrị ka akpọnwụ, na-abụkarị site na nzacha ma ọ bụ nkewa centrifugal iji belata mmiri mmiri.
Ihicha
A na - akpọnwụ hehydrated heec, na - abụkarị site na ihicha nkụ ma ọ bụ ihicha. Ekwesịrị ịnagide ọnọdụ okpomọkụ kpamkpam n'oge usoro ihicha iji zere oke okpomọkụ ma ọ bụ agglomeration.
Igbo
Ihe eji eme ya a mịrị amị kwesịrị ịbụ ala ma sie ọfụma iji nweta nkesa nha dị iche iche, wee mepụta ntụ ntụ ma ọ bụ ngwaahịa motur.
III. Njirimara arụmọrụ
Mwepu mmiri
HEC nwere ezigbo mmiri solbility ma nwee ike igbari ngwa ngwa na mmiri oyi ma na-ekpo ọkụ iji mepụta uzo ma ọ bụ ntụgharị ntụgharị. Ihe akụrụngwa a na-enye ihe na-eme ka ọ na-eji ya mee ihe n'ọtụtụ ebe dị ka nke na-adakarị na mmachi na ngwaahịa kemịkal kwa ụbọchị.
Ndiemkpa
HEC na-egosi mmetụta siri ike na ngwọta dị egwu, na viscosict ya na-abawanye na mmụba nke oke molecular. Ngwongwo a na - eme ka ọ rụọ ọrụ na oke, njigide mmiri na imezi arụmọrụ dị na igwe na - eme ka mmiri na - eme ka mmiri na - eme ka mmiri dị na mma.
Rhioloji
Ngwọta hecequeque nwere ihe ọ bụla nwere ihe ndị na-efe efe pụrụ iche, yana mgbanwe mgbanwe ya na mgbanwe nke ọnụego shiu, na-egosi ịkwa ọfụma ma ọ bụ pseudoplastity. Akụ a na-enyere ya aka ịhazigharị mmiri na-agbanwe agbanwe na mkpuchi mkpuchi na mmiri mmiri.
Emulsification na nkwusioru
HEC nwere ezigbo emulsishion na Njirimara Njirimara, nke nwere ike ime ka nkwụghachi ụgwọ ma ọ bụ droplets na sminds iji gbochie nsogbu na nkọda. Ya mere, a na-ejikarị hc na ngwaahịa dị ka emulsion colornings na nkwụsị ọgwụ.
Biodegrad
HEC bụ sellulose jupụtara na ezi biodegrad dị mma, enweghị mmetọ megidere gburugburu, ma na-emezu ihe ndị achọrọ gburugburu ebe nchekwa gburugburu ebe nchekwa.
Iv. Ubi
Otita
A na-eji mkpuchi nke dabere na mmiri, mee ihe dị ka nke na-agba mmiri ma dị mma iji meziwanye ọnya, arụmọrụ owu na-arụ ọrụ na akụrụngwa mgbochi nke mkpuchi.
Mwube
N'ime ụlọ, a na-eji hec na ngwa agha ciment na usety iji melite owuwu ihe owuwu na mmiri mmiri.
Chemicals Family
N'ihe na-egbochi, shampoos, na akwa, a na-eji hec dị ka nke na-agbaze ma kwụsie ike iji meziwanye mmetụta na nkwụsi ike nke ngwaahịa ahụ.
Mmanụ mmanụ
Na mmanụ na-egwu mmiri na-acha uhie uhie, a na-eji hEC hazie Rhiology na Njirimara Njirimara nke mmiri igwu mmiri ma melite arụmọrụ na nchekwa.
Akwukwo iberibe
N'ime usoro mpempe akwụkwọ, a na-eji HEC iji chịkwaa ụdị pulp ma melite otu na-enweghị otu.
A na-ejikarị mkpụrụ ndụ (HEC) mee ihe n'ọtụtụ mpaghara, ihe ndị na-eme mkpọtụ, na-emekwa ihe na nsị na-arụ ọrụ. Usoro mmepụta ya na-adịwanye elu. Site na usoro nke cellulose, saa ya, ihicha ma na-egwepị, ngwaahịa hec nwere arụmọrụ kwụsiri ike na ezigbo mma enwere ike ịkwadebe. N'ọdịnihu, na oganihu nke ihe nchebe gburugburu ebe obibi gburugburu gburugburu ebe obibi gburugburu na inwe ọganihu nke teknụzụ, atụmanya ngwa nke hEC ga-abawanye.
Oge Post: Jul-02-2024