NKWUP P
Ugbu a, isi ihe eji eme ihe na nkwadebe nkecellugul etherbụ owu, na mmeputa ya na-agbada, ọnụahịa ahụ na-arị elu;
Ọzọkwa, a na-ejikarị ndị na-eme ihe ngosi dị ka chloroacetic (nke ukwuu na-egbu egbu) na etlene oxide (Carcinogenic) na-emekwa ka ahụ mmadụ na gburugburu mmadụ. Akwukwo
N'isiakwụkwọ a, a na-eji cellose na-adị ụtọ karịa 90% wepụtara na nkebi nke abụọ a na-eji ya dị ka ihe akụrụngwa, yana sodium chloroeethanol dị ka ihe dochie anya.
Iji chloroacetic chloroacetic acid dị ka onye isi na-eme ihe nkiri, anaoniccelloxymymymym cellulose (cmc), na-abụghị nke ionic hydroxyethythyythyth cellulose dị njikere.
Cellulite (hEC) ma agwakọta hydroxyyl celloxym Cellulose (HECMC) Ethers cellosuse atọ. otu ihe
A na-eji usoro nkwadebe nke ndị na-akwado mkpụrụ ndụ na-emeghe na nnwale na nnwale nke ọrịa mashononal mara ihe FT-IR, XRD, H-NMR, wdg, wdg, wdg, wdg, wdg, wdg, wdg, wdg, wdg, wdg, wdg, wdg, wdg.
Puterals nke celdification
Principleskpụrụ nke mkpụrụ osisi cellulose nwere ike kewara abụọ. Akụkụ nke mbụ bụ usoro alkalization, ya bụ, n'oge mmeghachi omume nke cellose,
A na-ekesasịkarị na ngwọta Naod, paini cellulose na-ekwusi ike n'okpuru ihe nke usoro nke usoro edemede
Nnukwu ụmụ irighiri ugwu na-abanye n'ime ime nke paini cellulose, ma meghachi omume na otu hydroxy na mgbanaka nke glucose owuwu,
Na-ebute alkali cellulose, ụlọ ọrụ na-arụ ọrụ nke mmeghachi omume nke mmeghachi omume.
Akụkụ nke abụọ bụ usoro eitim, nke ahụ bụ, mmeghachi omume n'etiti etiti na-arụ ọrụ na sodium chlorocetite ma ọ bụ 2-chloroethanol n'okpuru ọnọdụ alkaline, na-ebute
N'otu oge ahụ, sodium chloroacetate na 2-chloroethanol ga-amịpụta mmiri dị n'okpuru ọnọdụ alkaline.
E mezuru mmeghachi omume dị n'akụkụ iji mepụta sodium glyciate na ethylene glycol, n'otu n'otu.
2 itinye aka alkali na alkalalization na-eme ka ọ bụrụ ihe na-akpata felllose
Nke mbu, dozie ụfọdụ itinye uche na nke na mmiri ideionized. Mgbe ahụ, na ụfọdụ okpomọkụ, 2g nke paini fiber
Vitamin a na-agbaze n'otu mpịakọta nke Naks nke Navolution, kpaliri nwa oge, wee kpoo ya maka iji ya.
Ndị na-emepụta ngwaọrụ
Nkenke ph mita
Onye na-anakọta ụdị ọkụ na-ekpo ọkụ mgbe niile
Vakum a na-akpọ nkụ ọkpọ
Elektrọnik
Na-ekesa ụdị mmiri ọtụtụ ebumnuche
Punrier transforfform infrared
X-ray dị iche iche
Ntụgharị nkọ nkọ
Hangzhou Alilong CO., LTD.
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Nkwadebe nke CMC
Iji AKALI COSTILILADEDILEDEDEDEDEDIED dị ka akụrụngwa, na-eji Ethanol dị ka ihe mgbu ma jiri sodium chlorocetate dị ka ehuru
CMC na ds dị elu site na ịgbakwunye Alkali ugboro abụọ na nke Ether na-aga n'ihu ugboro abụọ. Tinye 2g nke osisi Akali Cellulose n'ime akụkụ anọ ahụ, wee tinye otu olu nke ihe mgbu Ethanol, ma bido nke ọma maka 30min
Banyere, nke mere na alkali selkali na-agbasasịkwa. Tinyezie otu ụlọ ọrụ Alkali na sodium chloroacetate imeghachi omume maka oge okpomọkụ
Ka oge na-aga, mgbakwunye nke abụọ na Alkaline na sodium chloroacetate sochiri ogo oge ụfọdụ. Mgbe mmeghachi omume ahụ dịgidere, jụụ ma jụọ oyi, mgbe ahụ
Acticle nwere ike ịdị mma nke acetic acetic acid, wee sachapụ ihe na-asacha ma kpọọ nkụ.
Nkwadebe nke hecs
Iji Osisi Akali cellulose na-eme ka ọ bụrụ nke alkali debere ya dị ka akụrụngwa, ethanol dị ka ọnya na 2-chloroethanol dị ka ether
Oghere dị elu site na mgbakwunye MS site na ịgbakwunye Alkali ugboro abụọ na ncheta ozi ugboro abụọ. Tinye 2g nke osisi Akali Cellulose n'ime flask anọ, ma tinye ụfọdụ olu 90% (pere mpe) Ethanol, bido
Ebido kwa oge iji gbasaa, tinyezie ụfọdụ Alkali, ma jiri nwayọ nwayọ, tinye ụfọdụ olu 2-
Chloroethanol, na-ehuri oge niile na oge niile, wee tinye sodium sodium hydroxide na 2-chloroethanol iji gaa n'ihu na-eme ya. treet
Mgbe mmeghachi omume ahụ agwụla, na -ewepu ya na acetic acetic acid, na n'ikpeazụ ịlele otu iko ya na otu iko (g3), saa ahụ, ma kpọọ nkụ.
Nkwadebe nke hempcc
Na-eji hec kwadebere na 3.2.3 dị ka akụrụngwa, ethanol dị ka onye na-eme mmeghachi omume, na sodium chlorocetate dị ka onye na-elekọta ether iji kwadebe
HECMC. Usoro a kapịrị ọnụ bụ: Were ego nke hec, tinye ya na 100 ml anọ-nup na-ekwu okwu, wee tinye ego ole
90% ethanol, na-akpachapụ anya nke oge iji mee ka ọ gbasaa, gbakwunye ụfọdụ alkali mgbe kpochara ya, ma jiri nwayọ tinye ya
Sodium chloroacetate, ether na-akwụsị mgbe niile okpomọkụ mgbe oge ụfọdụ gasịrị. Mgbe mmeghachi omume ahụ agwụla, na -eche ya na acetic actic acid iji kpochapụ ya, wee jiri otu iko (g3)
Mgbe ara ngagharị, ịsacha na nkụ.
Ọcha nke Ether's
Na usoro nkwadebe nke cellulose Ether, a na-arụpụta ụfọdụ ngwaahịa site na-arụpụta, tumadi sodium onorganic chloric na ụfọdụ ndị ọzọ
adịghị ọcha. Iji meziwanye ogo nke cellulose eat, a na-eme ya ọcha na sel cellulose ether. N'ihi na ha nọ na mmiri
E nwere usoro dị iche iche, yabụ nnwale ji ọtụtụ e etdrarated etdrarated ettanol mee ka ndị a kwadebere a kwadebere.
gbanwee.
Debe ya na njiri cellulose na otu agwa na a beaker, tinye ego nke ethanol nke 80 ℃, ma na-enwe usoro na-akpali oge okpomọkụ na-ekpo ọkụ maka 10 ℃. min. Were oke ala
Na beaker dị ọcha, jiri nitrath ọla ọcha iji lelee n '. Ọ bụrụ na enwere oke ọcha, na-enyocha ya site na otu iko ma were sie ike
Tinyegharịa usoro ndị gara aga maka akụkụ ahụ, ruo mgbe filtrate mgbe ị na-agbakwunye 1 dobe ihe ngwọta agno3 enweghị mkpụrụ ndụ na ịsa ahụ.
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n'ime (ọkachasị iji wepu mmeghachi omume site na ngwaahịa na PCL). Mgbe mmiri ara, ihicha, na-ajụ oyi n'ime ụlọ.
uka, g.
Usoro nnwale na njiri mara maka Ethers Cellugul
Mkpebi nke ogo nke nbanye (DS) na ogo nke nbanye (ms)
Mkpebi nke DS: Nke mbu, tulee 0.2 g (ziri ezi na 0.1 mg) nke di ọcha na mịrị amị eth na mịrị amị, gbazee ya
80mL nke mmiri dị omimi, kpaliri na mmiri mmiri na-anọchi anya na 30 ℃ ~ 40 ℃ ruo 10min. Wee gbanwee na sulfuric acid ma ọ bụ ngwọta NaEh
ph nke ihe ngwọta ruo mgbe p nke a bụ 8
Inhate, n'okpuru ọnọdụ na-akpali akpali, na-achọpụta ọgụgụ otu mita na-agụ, mgbe a ga-ahazi uru uru a ga - agbanwe na 3.74,
Lata. Rịba ama ụda nke usoro ọkọlọtọ sulfuric acid ejiri n'oge a.
Ọgbọ:
Nchikota nke onu ogugu di elu na otu hydroxyethyl
Oke nke ọnụ ọgụgụ nke elu; I7 bụ oke nke otu methylene na hydroxyethyl
Ike nke usoro iwu dị elu; bụ ike nke pricen na-eme ka ọnụ ọgụgụ 4 nke methine na otu methylene n'otu cellelose glucose glucose glucose
Nchikota.
Usoro ule ndị a na-akọwa maka nnwale nke njiri mara nke Ethers cmc, Hec na Hecmc
Iwu
3.2.4.3 XDD ule
Ule nnwale nke X-ray nke Ethers Camc camc, Hec na Hecmc
usoro nnwale ahụ akọwapụtara.
3.2.4.4 nnwale nke H-NMR
A na-atụle h u NMR specleometer nke hec site na avance400 h nmr speviceometer mepụtara.
Iji deuteyyl sulfoxde dị ka ihe mgbaze, a nwalere ihe ngwọta mmiri hydrogen nmr nsrogen NMR. Ule ule ahụ bụ 75.5mhz.
Na-ekpo ọkụ, ihe ngwọta bụ 0.5ml.
3.3 nsonaazụ na nyocha
3.3.1 Unlization nke PMC Nkwadebe usoro
Iji painit cellulose wepụtara n'isi nke abụọ dịka akụrụngwa, yana iji sodium chlorocetate dị ka onye na-eme ihe nkiri, usoro nyocha otu ihe,
E mebere usoro nkwadebe nke CMC, na mgbanwe ndị mbụ dị ka egosiri na Isiokwu 3.3. Ihe ndị a bụ usoro nkwadebe HEC
Na nka, nyocha nke ihe dị iche iche.
Tebụl 3.3 Ihe Mkpebi Mbido
Ihe Nwunye Mbufe
Pretreating alkaling okpomoku / ℃ 40
Oge ịgha mkpụrụ oge / h 1
FortureRetured-Drive-Lite-Life-Grand-Grader-G / ML) 1:25
Ọgwụ maka ịta /% 40
38
Ọnọdụ mbụ nke mbụ / ℃ 45
Oge izizi nke mbụ / H 1
Ọkpụkpụ nke abụọ nke abụọ
Oge nke abụọ evetherification oge / H 1
Ntọala dosage na ọkwa etherification / g 2
Onu ogugu nke ndi n'echebe ya na other ether / g 4.3
Ether Oliled Runsio / (G / ML) 1:15
3.3.1.1 Mmetụta nke ihe dị iche iche na CMC Michibiturity na ọkwa ALKALAYAKA
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Iji tụlee mmetụta nke agụụ mmadụ na-eme ka ọ dị na ogo nke nhichapụ na cmc nwetara, n'ihe banyere idozi ihe ndị ọzọ dị ka ụkpụrụ mbụ dị ka ụkpụrụ mbụ,
N'okpuru ọnọdụ, a tụlere nsonaazụ nke agụụ mmekọahụ na CMC nbanye, a na-egosipụtago nsonaazụ na fig.
Pretream alkaling okpomọkụ / ℃
Mmetụta nke Future Atchalizing na CMC Michiri
Enwere ike ịhụ na ogo nke ihe nnọchi nke CMC na-abawanye na mmụba nke ọnọdụ okpomoku, yana okpomoku Alkalization bụ 30 Celsius C.
Akara dị elu dị n'elu nke dochie anya okpomọkụ. Nke a bụ n'ihi na ọnọdụ okpomọkụ dị oke ala, ma ụmụ irighiri akwara adịghị arụ ọrụ ma enweghị ike
Na-ebibi mpaghara cripstalline nke cellose, nke na-eme ka o siere gị ike ịnọrọ ime ụlọ ahụ, na ogo mmeghachi ahụ dị elu.
dị ala, nke na-ebute ogo dị ala. Agbanyeghị, ọnọdụ okpomọkụ ekwesịghị ịdị elu. Dị ka ọnọdụ okpomọkụ na-abawanye, n'okpuru ihe nke oke okpomọkụ na ike alkali siri ike,
Cellulite bụ ihe na-adịkarị mfe iji nweta ntopute, na ogo nke nhichapụ ngwaahịa cmc mbelata.
2. Mmetụta nke onye na-eme ihe ike na-eme na CMC
N'okpuru ọnọdụ ahụ na-eme ka ọnọdụ ala Atkalization bụ 30 Celsius C na ihe ndị ọzọ bụ ụkpụrụ mbụ, a tụlere nsonaazụ nke oge Atkalization na CMC.
Nsonaazụ nke dochie. Ogo nke dochie
Oge Atchaline Oge / H
Mmetụta nke Oge Atkalinization Na Na NaKmcdị na ogo
Usoro buru ibu n'onwe ya adịghị ngwa ngwa, mana usoro Alkali chọrọ oge ụfọdụ mgbanwe na eriri ahụ.
Enwere ike ịhụ na mgbe oge Alkalalization bụ 0.5-1.5-1, akara aka nke ngwaahịa na-abawanye na mmụba nke oge alkalization.
Ogo nke ihe eji emeputa ihe a nwetara bu nke kachasi elu mgbe oge ahu bu 1.5h, na ogo nke dochie anya ya na mmụba nke oge 1.5h. Nke a nwere ike
Ọ nwere ike ịbụ n'ihi na mmalite nke alkalization, na ogologo oge nke oge alkalization, info na Cellulose ezuola, nke ahụ bụ eriri
Ihe owuwu Prime nwere obi iru ala, na-abawanye na onye na-elekọta ya
Post Oge: APR-26-2024