Ahịhịa mkpụrụ ndụ nke dị iche iche dị mkpa jikọta ya na cellususe, otu n'ime cellose ndị bi na mbara igwe n'ụwa. A na-emepụta ndị a site na mpaghara kemịkalụ nke hydroxy dị iche iche (-Oh) nke akpa selbone, nke na-ebute ọtụtụ ngwaahịa balbone, nke na-ebute ọtụtụ ngwaahịa na akụrụngwa dị iche iche. Ngwa sitere na Ngwaọrụ ọgwụ, nri, ngwaahịa nlekọta onwe, ngwaahịa, ihe eji eme ihe, na ndị ọzọ.
Ọdịdị nke cellose:
Cellulite bụ linear polysigcharide mejupụtara ya na-emegharị nkeji glucose jikọtara ọnụ site na bly-glycosidic agbụ. Ngalaba na-emegharị mejupụtara otu ihe irighiri ihe atọ na-acha glucose, nke na-eme ka cellulose nke ukwuu hydrophilic na nsogbu kemịkalụ dị iche iche.
Nchịkọta nke etressulu ahụ dochie:
Nchịkọta nke ethers na-emetụta ụbụrụ mkpụrụ ndụ gụnyere mmeghe nke otu ọrụ dị iche iche na otu Hydroxy dị iche iche nke Cellulose Backbone. Usoro a na-ahụkarị maka njikọta ndị a gụnyere akparamation na Emperic.
Mmeghachi omume nke ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe eji eme ihe eji eme ya. Otu ndi otu a na-etolite. Enwere ike mezuo nke a site na mmeghachi omume na alkyl hale, alkyl sulfates ma ọ bụ alkyl na alchers n'okpuru ọnọdụ kwesịrị ekwesị. A na-ejikarị ndị ọrụ alkliting na mmeghachi omume ndị a gụnyere Metylch chloride, ethyl chloride, na Benzyl chloride.
N'okpuru, n'aka nke ọzọ, gụnyere edochiri ndị otu hydroxy na otu acyl iji mepụta nkekọ ụlọ. Enwere ike mezuo nke a site na mmeghachi omume chlorides chlorides, any whydrades ma ọ bụ acid na ọnụnọ nke ihe na-akpata. A na-ejikarị ndị ọrụ acliting na mmeghachi omume ndị a gụnyere acetic chyride, acetyl chloride, na abụba acids.
Ofdị ndị e ji arụ ọrụ na-ejikọ ọnụ:
Methyl cellulose (mc):
Ememe methylcellose site na ogo nke cellulose na methy chloride.
A na-eji ya dị ka nke na-ejikarị ya dị ka nke na-efe efe na emififier na ụlọ ọrụ dị iche iche gụnyere nri, ọgwụ na ngwaahịa nlekọta onwe ya.
Mc na-etolite gel mgbe hydrated ma gosipụta ụdị omume pseudoplocastic, na-eme ka ọ dị mma maka ngwa chọrọ njikwa viscosise.
Hydroxyethylcellose (HEC):
Hydroxyethythythythythythythythythythythythythyth cellose bụ synsafinazed site na ogo nke cellulose na ethlene oxide.
A na-ejikarị ya dị ka onye na-eme ihe nkiri na fim na mkpuchi na mkpuchi, ịchọ mma, ọgwụ na ọrụ ndị ọzọ.
HEC na-enye pseudoplastic omume na ngwọta ma na-enye ezigbo njigide mmiri.
Hydroxypylcllose (HPC):
A na-emepụta hydroxypyryl Cellulose site na ogo nke cellulose na propylene oxide.
A na-eji ya dị ka nke ukwu, kwụsie ike na ihe mgbochi na usoro ọgwụgwọ ọgwụ, ọkachasị na usoro mkpuchi mbadamba ma na-achịkwa usoro nnyefe ọgwụ na-achịkwa.
HPC nwere ihe na-acha uhie uhie, na-akpụ gels na oke okpomọkụ.
Carboxymethylcellose (cmc):
Carboxymethylcellose bụ syshes nke cellulose na sodium modechlorotete n'okpuru ọnọdụ alkaline.
A na-eji ya dị ka nke na-eme dị ka nke na-acha, sie ike na emulsifier na nri, ọgwụ na ngwa ọgwụ.
CMC na-enye viscosity na akparama agwa dị nro na ngwọta na ụdị mkpọsa colloidal.
Ethyl Hydroxyethythyth Cellulose (ehec):
Ethyl hydroxyethythythythythythythythyth cellulose bu cellulose ether, nke a na-emepụta site na usoro usoro nke cellulose na ethlene oxide na etyl chloride.
A na-eji ya dị ka nke ukwu, minaiology modeorier na ihe nkiri dị iche iche ngwa dị iche iche gụnyere mkpuchi, adhosives na ngwaahịa nlekọta onwe ya.
EHec nwere mmiri dị elu na ndakọrịta karịa ndị otu a na-eji ya.
Njirimara nke etthers e ji eme ihe:
Njirimara nke eyers cellulose dịgasị iche dabere na ihe ndị dị ka ogo ogo nke dochie, ịdị arọ molecular na usoro kemịkal. Agbanyeghị, ha na-egosipụtakarị ihe ndị a:
Hydrophilicity: evers cellopsose bụ hydrophilic dịịrị otu ìgwè nke ìgwè hydroxy na usoro ha, nke na-enye ha ohere iso usoro ụmụ irighiri mmiri na-emekọrịta ihe.
Ndị na-emekwa ihe na-edina: Ọtụtụ ndị na-eme ihe nkiri na-eme ka ihe dị omimi na akụrụngwa na-eme mkpọtụ, na-ebute nguzobe ngwọta virus ma ọ bụ gels na hell. Viscosity na ike gel dabere na ihe ndị dị ka ịta polymer na ịdị arọ molecular.
Usoro ihe nkiri: ụfọdụ ndị a na-eji eme ihe na-eme ihe nwere ike ịmepụta fim doro anya ma na-enye ya site na ngwọta. Ngwongwo a nwere uru na ngwa ndị dị ka mkpuchi, adhesives, na sistemụ nnyefe ọgwụ na-achịkwa ọgwụ.
IJI: Evers exomress na-egosi na ha na-egosipụta ezigbo kwụsiri ike na ụdị ọnọdụ ọkụ na ọnọdụ okpomọkụ. Ha na-eguzogide ọgwụ microbil na hydrolysis a na-eme ka ọ dị mma maka iji rụọ ọrụ dị iche iche.
Omume ọjọọ: a na-egosipụta usoro cellugul na-egosipụtakarị omume pseudoplastic ma ọ bụ nke na-ere ahịa, nke pụtara na viatise ha na-ebelata n'okpuru nrụgide ha. Ngwongwo a na acho na ngwa choro idozi ma obu ngwa.
Ngwa nke eyers cellushose nwere:
A na-ejikarị ndị na-eme ihe na-eme n'ọtụtụ ụlọ ọrụ n'ihi ihe ndị na-aba ụba ha. Ụfọdụ ngwa dị mkpa gụnyere:
A na-eji ụlọ ọrụ nri: A na-eji usoro nri cellugul dị ka carboxyyyyyyyMcelllose (cmc) dị ka ndị na-eme ihe dị ka sauces, akwa na ngwaahịa mmiri ara ehi. Ha na-eme ka mmụta, nkwụsi ike na ọnụ mgbe ọ na-agbatị ndụ nchekwa.
A na-eji ọgwụ ọgwụ eme ihe dị ka ndị na-eme ọgwụ dị ka ndị na-eme ọgwụ, ndị na-eme ihe na ndị nnọchi anya na mbadamba, capsules na usoro. Ha na - eme ka nnyefe ọgwụ, bioayality na nnabata onye ọrịa.
Ngwaọrụ nlekọta nkeonwe: a na-eji usoro ndị na-ahụkarị na ngwaahịa na-arụ ọrụ na-eme ka ọ bụrụ ncha ntutu. Ha na-eme ka nkwa kwụsiri ike, udidi na njiri mara.
A na-eji ihe ndị a na-ewu ihe: A na-eji ihe ndị a na-ewu ihe onwunwe: A na-eji ihe ndị ọzọ dị ka ciment, ngwa agha na ngwaahịa ndị dabeere iji meziwanye ọrụ, njigide mmiri na adresion. Ha na-eme ka arụmọrụ na ịdị ogologo oge nke ihe ndị a.
Akwụkwọ edemede: Dochie ndenye mkpụrụ osisi celluluse na mbipụta sket ma na-emecha iji nye njikwa viscosittos, addụsion ma sachaa ngwa ngwa. Ha na-enyere aka na nkwanye ugwu na pigments na-akụ na mkpụrụ edemede.
Industrylọ ọrụ mmanụ na gas: Dochie ihe ndị na-eme mkpọtụ na ndị na-ahụ maka ndị na-ahụ anya na-eme ka ọ dị mma na nchekwa nke mmanụ na nchekwa mmanụ.
Oge post: Feb-19-2025