Hydroxyethyth Cellusebụ ihe dị mkpa sellulose. N'ihi uru akụrụngwa nke ihe bara ụba, mmeghari ohuru, ihe na-abụghị ihe na-abụghị ihe na-adịghị mma, na nnukwu mkpụrụ, nchọpụta ya na ntinye ya dọtara mmasị. . Uru viscositty bụ ihe dị oke mkpa na ntanetị nke hydroxyethythythythythythythythythythythythythythythythyth cellulose. N'ime akwụkwọ a, hydroxyethyl cellose nwere uru viscosise nke viscosisise na-erughị 0.3 dị njikere site na mmiri mmiri - usoro na-aga nke ọma site na alkalization abụọ-usoro.
Usoro alkalization bụ usoro nkwadebe Alkali Cellulose. Na mpempe akwụkwọ a, a na-eji usoro alkalization abụọ. Usoro nke mbụ bụ iji acetone dị ka di ike. Akụrụngwa cellulose na-ezisa ihe ndabere na ụfọdụ ịta sodium hydroxide aquid. Mgbe mmeghachi omume ndabere na-rụrụ, a na-agbakwunye ndị na-ebugharị ncheta iji nweta mmeghachi omume ahụ ozugbo. Methodzọ nke abụọ bụ na cellulose akụrụngwa bụ alkalized na ngwọta sodium hydroxide na urea, na alkali sel na-akwado ya iji wepu oke Lye tupu mmeghachi omume. The Alkali selpose kwadebere site na ụzọ dị iche iche na-eme nyocha site na usoro X-ray. Dabere na Njirimara nke ngwaahịa ahụ kwadebere site na mmeghachi omume nke mmeghachi omume, ekpebiela usoro nhọrọ.
Iji chọpụta usoro nchịkọta nke kachasị mma, usoro mmeghachi omume nke antioxidant, LYE na anụ ahụ acetic acid na mmeghachi omume nke ihe a na-eme nyocha. Wee mezie mmemme nnwale nke otu ihe, kpebie ihe ndị nwere mmetụta dị ukwuu na arụmọrụ hydroxyethythythythythythythythythythy's 2% A na-ekwu maka Ntanetị. Nsonaazụ nnwale ahụ gosipụtara na ihe dị ka ọnụọgụ abụọ ahọrọ, oge mmeghachi omume, ọnọdụ okpomọkụ na oge mmeghachi omume nke abụọ nwere mmetụta dị ukwuu na arụmọrụ nke Ngwaahịa ahụ. Atụmatụ nnwale nke nwere ihe asaa na ihe asaa na ọkwa atọ na nsonaazụ nyocha ahụ nwere ike ịchọpụta ihe mbụ na nke abụọ na mmetụta nke ihe ọ bụla. Iji kwadebe ngwaahịa na ụkpụrụ viscy dị elu, a na-edozi atụmatụ ọhụụ, yana atụmatụ kachasị mma maka ịkwadebe hydroxyethyth nsonaazụ nyocha.
Njirimara nke viscosity dị eluhydroxyethyth Cellusea na-enyocha ma nwalee, gụnyere mkpebi siri ike, ac na-emeghe, mmiri ọkụ, ikuku na-emegharị emegharị - usoro nyocha dị iche iche na usoro ndị ọzọ Iji nyochaa ma gosipụta ụdị ngwaahịa ahụ, ịdị n'otu, mkpu, kristal, nkwụsi ike, wdg.
Hydroxyythythythythythythythythythythythythythythythythythythythythythy na-eme ihe na-adịghị mma, a dọta uche n'ihi akụ ya bara ụba, mmeghari ohuru, na-aga, biocompu, na nnukwu mkpụrụ. Vicscosity nke hydroxyethyth cellulose bụ ihe ngosi dị oke mkpa nke arụmọrụ ya. Vieocosise nke cellyythythythythythythythythythythythy 5 × 104MPA s, na nedo ọdịnaya erughi 0.3%.
Na mpempe akwụkwọ a, a kwadebere hydroxtyythyythyythyth Celllose dị njikere site na usoro njikọ mmiri-ngwa sinezu si Alkalization na Ether. Usoro Alkalalization bụ nkwadebe alkali cellulose. Họrọ site na usoro alkalization. Otu bụ na akụrụngwa cellugul na acetone dị ka nsogbu na-agbanwe agbanwe, ma na-enweta mmeghachi omume nke ebumnuche na onye na-elekọta ether. Nke ọzọ bụ na akụrụngwa cellulosic bụ alkalized na aquid hydroxide ngwọta na urea. A ga-ewepụrịrị alkali na alkali Celltose tupu mmeghachi omume. Na mpempe akwụkwọ a, mkpụrụ ndụ alkali dị iche iche na-amụ site na usoro X-ray. N'ikpeazụ, a na-anakwere usoro nke abụọ dị ka ihe ndị a na-ahụ maka ọdịmma nke ifuru.
Iji chọpụta usoro nkwatị nke ogo, usoro mmeghachi omume nke antioxidant, alkali na anụ ahụ acetic acid na-eri ya. Ihe ndị metụtara nkwadebe nke hydroxyethythyth Cellolose na-ekpebi otu nnyocha. Dabere na viscosis bara uru ngwaahịa a na 2%. Nsonaazụ nnwale ahụ gosipụtara na olu nke diluence, ego nke othlene oxide, oge alkalization, ọnọdụ okpomọkụ na oge mpịakọta nke abụọ nwere arụmọrụ dị ukwuu na arụmọrụ ngwaahịa. A nakweere usoro ihe asaa na ọkwa atọ iji chọpụta usoro nkwadebe kachasị mma.
Anyị nyochaa akụrụngwa nke ịkwadebehydroxyethyth Celluse, gụnyere viscosity, uyi, transmitting, mmiri, magnetity, ngụkọta ikuku, gas dị iche iche, DSC na Dat, na Usoro ule nakweere ụkpụrụ ASTM.
Oge post: Apr-25-2024