Ihe eji eme ihe abuoEversgbọala Cellugulenyere na onu ogugu 1.1 na 1.2. Greep-d-dehydrated nke molulu cellulose
Ngalaba shuga (na-emegharị ya na otu cellulose) na otu onye ọ bụla na c (2), c (3) na c (6) ọkwá atọ
otu eyer. N'ihi ọnụnọ nke otu hydroxy, macromolecules hydrogecular na intermolecular hydrogecular na intermolen agbụ, nke siri ike igbari na mmiri.
Ọ bụ ihe siri ike ịgbaze n'ihe fọrọ nke nta ka ọ bụrụ ihe mgbaze ndị ọ bụla. Agbanyeghị, a na-ewebata ogo nke cellose, a na-ewebata ndị otu ikuku n'ime mọ,
N'ụzọ dị otu a, a na-emebi ihe hydrogen n'ime na n'etiti molulules nke cellulose, a ga-emekwa ka ọ dị mma, nke mere na enwere ike ịmị mkpụrụ ya.
nke ukwuu dị mma. N'etiti ha, ọgụgụ 1.1 bụ izu ụka abụọ a na-ahụkarị nke mkpụrụ osisi cellulose eth, r1-r6 = h
ma ọ bụ ndị nnọchi anya ihe. 1.2 bụ mpempe akwụkwọ nke cardyythyythythythyl Cellulose ígwè
Udiri aka nke hydroxyethyl bụ 2.0, na akara ngosi nke merlatity bụ 3.0.
N'ihi na ọ bụla dị mma, enwere ike igosipụta ogo ya dịka ogo nke dochie anya (DS). Ejiri eriri
Enwere ike ịhụ ya site na nhazi nke prime molekule na ogo nke dochie ranges site na 0-3. Ya bụ, mgbanaka otu nke anthydrogs nke ọ bụla
, ọnụ ọgụgụ dị iche iche nke Hydroxy na-ejikọ ọnụ site na otu ndị na-elekọta ether. N'ihi otu hydroxyallyyl nke cellulose, dochie ya
Ekwesịrị ịmalitegharị ya na otu hydyl ọhụrụ. Ya mere, enwere ike igosi ogo nke ụdị cellose nke ether ether na ntụpọ.
ogo nke dochie anya (ms). Ogo a na-akpọ oke nke mkpuchi nke na-egosi ọnụọgụ nke onye na-eme ihe na-egosi na ngalaba a na-ahụ maka otu cellose
Nkezi nke ndị na-emeghachi omume.
1 izugbe nke glucose
2 Iberibe mkpụrụ osisi cellular eth
1.2.2 Classification nke eyers cell
Ma eyers cellulose bụ otu eyers ma ọ bụ eyers agwakọta, akụrụngwa ha dịtụ iche. Oke cellomose
Ọ bụrụ na ndị otu Hydroxy na-eme ka ọ bụrụ otu mgbaaka na-eme ihe, ngwaahịa ahụ nwere ike ịnwe ogo dị ala n'okpuru ọnọdụ nke ihe nnọchi.
O nwere ụfọdụ okwu mmiri; Ọ bụrụ na a na-etinye ya site na otu hydrophobic otu, ngwaahịa ahụ nwere ọtụtụ akara nke naanị mgbe ogo nke nnọchi anya.
Ahịhịa-soluble, na-etinyekarị na mmiri akwara mkpụrụ osisi nwere ike ịmịcha mmiri, ma ọ bụ igbari na azịza alkali na-adịghị ala
etiti.
Dị ka ụdị ndị a rụchara, a pụrụ ekewa ụzọ atọ, a pụrụ ikewa ụzọ atọ: Alkyl iche, dị ka Methy Cellulose, ethyl celluse;
Hydroxyallyyyyls, dị ka hydroxyethythythythythyth cellulose; Ndị ọzọ, dị ka carboxymythymythymythylythylylylylylym, wdg ma ọ bụrụ na ionization
Nkewa, a ga-ekewa ndị na-ahụ maka mkpụrụ ndụ, dị ka celloxyyyyyythythyythythythythythythylylythylythylylythylylythylythylythylythylylythylythylythylythylythylylythylythyl Na-abụghị nke Ionic, dị ka hydroxyethythyth celluse; gwakọtara
Pịnye, dị ka hydroxyethyl carloxyymylylythyl Cellulose. Dabere na nhazi nke solubality, enwere ike kee celluse n'ime: mmiri, dị ka calloxyyyyyythythythylythylythylythylythylythylythylythylythylythylythylythylythylythylythylythythylythylythylythylythythylythylythylythylythythylythylythylythylythylythylythylythylythythylythylythylythythyl
Hydroxyethyth cellulose; Mmiri-innosuble, dị ka methy cellulose, wdg.
Ngwongwo 1.2.3 na ngwa nke eyers cellugul
Mkpụrụ osisi ether bụ ụdị ngwaahịa ahụ mgbe mgbanwe ikuku nke mkpụrụ ndụ, na cell ether nwere ọtụtụ ihe dị oke mkpa. di ka
O nwere ezigbo ihe na-akpụ akpụ ihe nkiri; Dị ka anyị na-ebi akwụkwọ ebe a na-ebi akwụkwọ, ọ nwere ezigbo mmiri solbility, akụrụngwa, njigide mmiri na nkwụsi ike;
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Nke doro anya na-enweghị isi, na-abụghị ihe na-egbu egbu, ma nwee ezigbo bayoompatatibility. N'etiti ha, carboxymythym Cellulose (cmc) nwere "monosodium glutamate"
aha otutu.
1.2.3.1 STID FED
Ogo nke ogo nke cellulose eat nwere mmetụta dị ukwuu na ihe ndị na-akpụ ihe nkiri ya dị ka ikike ịgha mkpụrụ na ike. Cellugul ether
N'ihi ezigbo ike ya na ezigbo ndabara na resins dị iche iche, enwere ike iji ya na fim plastik, adhosives na ihe ndị ọzọ.
Nkwadebe ihe onwunwe.
1.2.3.2 solubution
N'ihi ịdị adị nke ọtụtụ hydroxy dị na mgbanaka nke glucose nke nwere glucose, etersgbọelu cell nwere ka ọ dị mma mmiri mma. na
Dabere na njin sellulose na ogo nke nnọchi, enwerekwa ụdị dị iche na-agbanwe agbanwe.
1.2.3.3 thinning
Cellugul ether etisasịwo na ngwọta nke colloid, ebe ogo nke polymerization nke cellose na-ekpebi cellulose
Viscity vis ngwọta. N'adịghị ka mmiri mmiri ọhụụ, viscosis nke ihe ngwọta ellulus na-agbanwe na a na-eme mkpọtụ, na
N'ihi nhazi nke Macromolecules, viscosity nke ihe ngwọta ga-abawanye ga-abawanye ngwa ngwa na mmụba nke cellose, agbanyeghị viscosity
Viscssity na-agbadata ngwa ngwa na-aba ụba [33].
1.2.3.4 mgbatị
Ngwọta Evether a etisasịwo na mmiri ruo oge ga-aba n'ime mmiri, si otú a na-emepụta nje enzyme na-emebi usoro ether ether ether.
Ihe eji eme ihe eji eme ihe eji emechi emechi, wedata otutu ihe omuma nke macromolecule. Ya mere, eyers cell
Ichebe ihe ngwọta nke mmebe ahụ chọrọ mgbakwunye nke oke nchekwa.
Na mgbakwunye, etters cellulose nwere ọtụtụ ihe ndị ọzọ pụrụ iche dịka ọrụ dị iche iche, ọrụ ionic, nkwụsi ike na mgbakwunye
gel. N'ihi ihe ndị a, a na-eji usoro ndị a na-eme ihe na akwụkwọ edemede, ihe na-egbu egbu, ihe na-egbochi ya, ịchọ mma, nri, ọgwụ,
A na-ejikarị ya n'ọtụtụ ubi.
Ntughari 1.3 na osisi akụrụngwa
Site na nkọwapụta nke 1.2 cellulose Ether, enwere ike ịhụ ya na akụrụngwa maka nkwadebe nke cellulose eat cellose, na otu n'ime ọdịnaya nke isiokwu a
Ọ bụ iji cellose wepụtara site na osisi akụrụngwa ihe iji dochie akwa cellose iji kwadebe ether. Ihe ndị a bụ okwu mmeghe nke osisi
ihe.
Dị ka ihe ndị a na-ahụkarị dị ka mmanụ, unyi na gas sitere n'okike na-adọkpụ, mmepe nke ngwaahịa dị iche iche dabere na ha, dị ka eriri eji sịnteti na fim fim, ga-amachibidokwa. Na mmepe na-aga n'ihu nke ọha na mba gburugburu ụwa (ọkachasị
Ọ bụ mba mepere emepe), onye na-eche na nsogbu nke mmetọ gburugburu ebe obibi. Cellose eke nwere biodegrabity na nhazi gburugburu ebe obibi.
Ọ ga-eji nwayọ bụrụ isi ihe eji eme eriri.
Oge Post: Sepp-26-2022