Ultra-viscosity viscosity hydroxyethythythythythyth Cellulose (hEC) bu polymer-soluble ogige mejupụtara site na ọkwa nke celluse. N'ihi ọhụụ nke pụrụ iche na nkwụsi ike, ọtụtụ ihe n'ọtụtụ ebe dị ka ịchọ mma, ọgwụ na-arụ ọrụ, na mmịpụta mmanụ.
(1), usoro HEC na usoro nkwadebe
1.1 owuwu
HEC bụ usoro ether nwetara site na ọgwụgwọ kemịkalụ nke sellose eke. Ngalaba nhazi ya bụ nke na-eji glucose, nke ejikọ β-1,4 glycosididic. The hydroxyl group (-OH) in cellulose is replaced by ethylene oxide (EO) or other etherifying agent, thereby introducing an ethoxy (-CH2CH2OH) group to form hydroxyethyl cellulose. Ultra-elu viscosity viscosir nwere oke egwu, na-abụkarị nde mmadụ dị iche iche, na-abụkarị ọtụtụ nde na iri puku kwuru, nke na-enye ya ngosi igosipụta viscosit na mmiri.
Usoro Nkwadebe 1.2
A na-ekenye nkwadebe nke HEC bụ nke ekewaara ụzọ abụọ: Fillerment nke cellulose na mmeghachi omume gị.
A na-emeso Alkali, witp, wdg.
Mmeghachi omume ealication: N'okpuru alkaline ọnọdụ, a na-emegharị ahụ cellulose na otlene oxide ma ọ bụ ndị ọzọ na-elekọta ndị ọzọ iwebata ìgwè hydroxyethyyyyy. A na-enwe usoro mmeghachi omume dị ka okpomọkụ, oge, na ileba anya n'ihe, na hec site na ogo dị iche iche (DS) na-emecha nweta ya. Ultra-vissity viscosity na-achọkarị oke molecular dị elu na ogo dabara adaba iji hụ na njirimara viscosict na mmiri.
(2) njirimara nke hec
8,1 solublity
HEC SIDSENS na mmiri oyi ma na-ekpo ọkụ, na-etolite ụzọ virus ma ọ bụ nke transcolont. Ọgụgụ na-emetụta ọnụ ọgụgụ ndị dị ka oke molecular, ogo nke nnọchi, na ọnọdụ okpomọkụ. Ultra-vissity hec nke dị ala na-enwe obere solibality na mmiri ma chọọ ogologo oge na-akpali akpali iji gbazee.
2.2 vissiosity
Viscosity nke viscosity viscosity hec bụ njiri mara ya. Ọtụtụ puku iri puku iri puku iri puku iri puku iri puku (mpaghara), dabere na ntinye uche, okpomọkụ, na oke oke nke ihe ngwọta. Viccosity nke hec ọ bụghị naanị na-adabere na akwara molecular, mana ọ na-achịkwa anya na ogo nke dochie anya ya.
2.3 kwụ ọtọ
HEC nwere ezigbo nkwụsi ike na acid, alkalis na ọtụtụ sonvic solvents na adịghị arụ ọrụ. Na mgbakwunye, ngwọta hec nwere ezigbo nchekwa nchekwa ma nwee ike ịnọgide na-enwe viscosity na akụrụngwa ndị ọzọ na kemịkal maka ogologo oge.
2.4 ndakọrịta
HEC dakọtara na kemịkal dị iche iche, gụnyere ndị na-elekọta ya, nnu na polymers mmiri. Mmekọrịta ya dị mma na-enyere ya aka ịnọgide na-arụ ọrụ kwụsiri ike na sistemụ nhazi usoro.
(3) Ngwa HEC
3.1 Nchọpụta nyocha na ngwaahịa nlekọta onwe ya
Na ịchọ mma, a na-eji hec ebe ọtụtụ dị ka nke na-eto eto, na-akwụ ụgwọ na onye na-eme ihe nkiri. Ultra-vissity viscosity hec nwere ike imetụ aka dị mma ma nwee ogologo oge na-ejikarị ya na ngwaahịa dị ka lotions, shampoos, na doo anya.
3.2 Remactouticlọ Ọrụ ọgwụ
Dị ka ọgwụ na-emepụta ọgwụ, a na-ejikarị hec na nkwadebe nke mbadamba akwụkwọ, gels na nkwadebe ọgwụ ndị ọzọ. Akụ ya dị elu nwere ike ijikwa ọnụego ntọhapụ ọgwụ ma melite bioasọ nke ọgwụ ahụ.
Ihe eji eme ihe
N'ime ụlọ ọrụ owuwu, a na-eji HEC dị ka onye na-eche nche ma na-egbochi mmiri maka ciment na ihe ndị ọzọ. Nnọọ elu ya dị elu na ezigbo njigide mmiri na-enyere aka rụọ ọrụ owuwu ma gbochie ihe ị ga-akpọ nkụ ma na-ada.
3.4 mmịpụta mmanụ
Na ụlọ ọrụ mmanụ, a na-eji hEC n'ime mmiri a na-egwu mmiri na fressing na-acha uhie uhie dị ka nke na-agbada ma dọrọ redicer. Ultra-vissity viscosity heal nwere ike imeziwanye ikike nkwụsị na ike nke mmiri mmiri, na-eme ka nsonaazụ nke igwu egwu na ngwa ngwa.
(4) Nlere mmepe nke HEC
Site na oganihu nke teknụzụ na mgbanwe n'ahịa, ngwa Hece gara aga. Nduzi mmepe mgbanwe gụnyere:
4.1 Mmepe nke Oncy-Inctere Inctensite
Site na iji ngwa ọrụ na-emepụta ihe, hec na ọkwa viscosity dị elu, enwere ike ịmegharị ọkwa na nkwụsi ike iji mezuo ọnọdụ ngwa dị elu iji mepụta ọnọdụ ngwa dị elu.
4.2 Nchedo gburugburu ebe obibi na mmepe
Zụlite usoro mmepụta omume gburugburu ebe obibi, belata ike oriri na ihe mkpofu na-eme n'oge mmepụta, ma melite nkwado nke hec.
ISI NKE 43
Nyochaa ikike ngwa hec n'ọhịa nke ihe ọhụụ, ụlọ ọrụ nri na injinị gburugburu ebe obibi iji kwalite ngwa ọrụ ya.
Ngwa ọdịnala hec dị elu bụ ihe dị iche iche na-eme ka ọ bụrụ atụmanya ngwa dị ọtụtụ. Njirimara viscosicts pụrụ iche na ezigbo kemịkal na-eme ka ọ rụọ ọrụ dị mkpa na ụlọ ọrụ dị iche iche. Site na oganihu nke teknụzụ na mgbasawanye nke ngwa ubi, atụmanya nke HEC ga-abawanye.
Oge post: Feb-17-2025