Ethylcellulose bụ ihe nrapado a na-ejikarị eme ihe na ụlọ ọrụ dị iche iche, karịsịa na ọgwụ, nri, mkpuchi na ihe ịchọ mma.
Okwu mmalite nke ethyl cellulose
Ethylcellulose bụ ihe sitere na cellulose, polymer eke dị na mgbidi sel osisi.A na-emepụta ya site na mmeghachi omume ethylation nke cellulose na ethyl chloride ma ọ bụ ethylene oxide.Mgbanwe a na-enye ihe onwunwe pụrụ iche ihe onwunwe, na-eme ka ọ dị mma maka ngwa dị iche iche, karịsịa dị ka nrapado na ụlọ ọrụ dị iche iche.
Njirimara nke ethylcellulose
Nhazi kemịkalụ: Ethylcellulose nwere nkeji ugboro anhydroglucose jikọtara ya na njikọ β(1→4) glycosidic.Ethylation nke cellulose dochie ụfọdụ hydroxyl otu (-OH) na ethoxy otu (-OCH2CH3).
Solubility: Ethylcellulose bụ ihe a na-adịghị ahụkebe na mmiri, mana ọ na-agbaze na ihe mgbaze organic dị ka ethanol, acetone, toluene, na chloroform.Ihe onwunwe a na-eme ka ọ dị mma maka ngwa ndị na-achọ mmiri na-eguzogide.
Ikike imepụta ihe nkiri: Ethyl cellulose nwere ike imepụta ihe nkiri na-agbanwe agbanwe ma na-enwu enwu mgbe agbazere ya na ihe mgbaze organic kwesịrị ekwesị.Ihe nkiri ndị a nwere ezigbo ike igwe na ihe mgbochi.
Thermoplasticity: Ethylcellulose na-egosiputa omume thermoplastic, na-eme ka ọ dị mfe ịhazi site na iji usoro dị ka extrusion, injection ịkpụzi, na mkpakọ ịkpụzi.
Ndakọrịta: Ethylcellulose dakọtara na ụdị polymers ndị ọzọ, plasticizers na ihe mgbakwunye, na-eme ka ọ dị mma maka iji ya mee ihe n'ụdị dị iche iche.
Ngwa nke ethyl cellulose dị ka nrapado
1. Ụlọ ọrụ ọgwụ
N'ime usoro ọgwụ, ethylcellulose na-arụ ọrụ dị ka ihe eji emepụta mbadamba ihe.Ọ na-enyere aka ijikọ ngwa ọgwụ na-arụ ọrụ (API) na ihe ndị na-emepụta ihe ọnụ, na-ahụ na iguzosi ike n'ezi ihe mbadamba na ịdị n'otu.Na mgbakwunye, a na-ejikwa ethylcellulose mee ihe n'ụdị mwepụta a na-achịkwa nke chọrọ ntọhapụ ọgwụ na-adịgide adịgide.
2. Ụlọ ọrụ nri
A na-eji ethylcellulose mee ihe dị ka ihe nkedo, thickener, na stabilizer na nri.A na-eji ya na mkpuchi nke mkpụrụ osisi, akwụkwọ nri na confectionery iji meziwanye ọdịdị ha na ndụ ndụ.Ethylcellulose mkpuchi na-enye ihe mgbochi nchebe megide mmiri, gas na mmetọ.
3. Mkpuchi na inks
N'ime ụlọ ọrụ mkpuchi na ink, a na-eji ethylcellulose mee ihe dị ka ihe eji eme ihe na agba, varnishes, varnishes, na mbipụta akwụkwọ ink.Ọ na-enye mkpuchi mkpuchi ndị a adhesion, mgbanwe na mmiri na-eguzogide mmiri, si otú ahụ na-emeziwanye arụmọrụ na ịdịte aka ha.
4. Ihe ịchọ mma
A na-eji Ethylcellulose mee ihe dị ka ihe na-eme ka ihe sie ike na ihe ndozi dị ka ude, lotions na ngwaahịa nlekọta ntutu isi.Ọ na-enyere aka nweta udidi a chọrọ, nkwụsi ike na viscosity na nhazi ihe ịchọ mma.
5. Ngwa mmepụta ihe
N'ime ngwa ụlọ ọrụ mmepụta ihe, a na-eji ethylcellulose mee ihe dị ka ihe eji eme ihe na-emepụta ihe na-emepụta seramiiki, abrasives na composites.Ọ na-enyere aka na-etolite akwụkwọ ndụ akwụkwọ ndụ ozu ma na-achịkwa rheological Njirimara nke pastes na slurries.
Njikọ nke ethylcellulose
Ngwakọta nke ethylcellulose gụnyere mmeghachi omume nke cellulose na onye na-ahụ maka ethylating n'okpuru ọnọdụ a na-achịkwa.A na-emekarị mmeghachi omume ethylation n'ihu onye na-eme ihe dị ka acid ma ọ bụ isi iji kwalite nnọchi nke otu hydroxyl na otu ethoxy.Ogo nke nnọchi (DS) na-anọchi anya nkezi ọnụọgụ ethoxy otu otu glucose n'ime yinye polymer ma enwere ike ịchịkwa ya site n'ịgbanwe usoro mmeghachi omume dị ka oge mmeghachi omume, okpomọkụ, na molar ratio nke reactants.
Uru nke ethylcellulose dị ka ihe nkedo
Ntughari: Ethylcellulose na-egosiputa mgbanwe n'ihe gbasara solubility, ndakọrịta na ike ịmepụta ihe nkiri, na-eme ka ọ dị mma maka ọtụtụ ngwa ngwa n'ofe ụlọ ọrụ.
Mgbochi mmiri: Ethylcellulose bụ ihe a na-adịghị ahụkebe na mmiri, na-eme ka ọ bụrụ nhọrọ magburu onwe ya maka nhazi nke chọrọ nguzogide mmiri, dị ka mkpuchi, agba, na ọgwụ ndị na-achịkwa-achịkwa.
Thermoplasticity: Thermoplastic omume nke ethylcellulose na-enye ohere maka nhazi dị mfe site na iji usoro thermoplastic omenala, na-enye ohere maka usoro mmepụta ihe na-efu ọnụ.
Biocompatibility: A na-amata Ethylcellulose dị ka nchekwa (GRAS) site n'aka ụlọ ọrụ na-achịkwa maka iji nri na ngwa ọgwụ, na-agba mbọ hụ na ndakọrịta ya na nchekwa ndị ahịa.
Ntọhapụ a na-achịkwa: A na-eji Ethylcellulose eme ihe n'ọtụtụ ebe na ụlọ ọrụ ọgwụ iji mepụta ụdị usoro ọgwụgwọ a na-achịkwa iji nye njikwa ziri ezi nke ọnụego mwepụta ọgwụ.
Ethylcellulose na-eje ozi dị ka onye na-ekekọta multifunctional na ngwa dị iche iche na ọgwụ, nri, mkpuchi, ihe ịchọ mma na ubi mmepụta ihe.Ngwongwo ya pụrụ iche, gụnyere solubility, ikike imepụta ihe nkiri na ndakọrịta, na-eme ka ọ bụrụ ihe dị mkpa dị mkpa n'ụdị usoro dị iche iche.A na-enweta njikọ nke ethylcellulose site na ethylating cellulose n'okpuru ọnọdụ a na-achịkwa, na-eme ka ihe ndị nwere ihe eji eme ihe dị mma maka ngwa ngwa.Site na nguzogide mmiri ya, thermoplasticity na ntọhapụ a na-achịkwa, ethylcellulose na-aga n'ihu na-arụ ọrụ dị mkpa n'ịkwalite arụmọrụ na arụmọrụ nke ngwaahịa n'ofe ụlọ ọrụ dị iche iche.
Oge nzipu: Feb-18-2024