Nchịkọta
Cellulose bụ polymer eke nke mejupụtara nkeji β-glucose anhydrous, ọ nwekwara otu hydroxyl atọ na mgbanaka ntọala ọ bụla.Site n'ịgbanwe cellulose na kemịkal, enwere ike ịmepụta ụdị mkpụrụ ndụ cellulose dị iche iche, otu n'ime ha bụ cellulose ether.Cellulose ether bụ ngwakọta polymer nwere usoro ether nke sitere na cellulose, gụnyere methyl cellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, carboxymethyl cellulose, na ndị ọzọ.A na-emepụtakarị usoro ndị a site n'imeghachi alkali cellulose na monochloroalkane, ethylene oxide, propylene oxide, ma ọ bụ monochloroacetic acid.Eter cellulose nke a na-esi na ya pụta nwere ezigbo mmiri solubility, ike na-eme ka ọ dị arọ, na ihe ndị na-emepụta ihe nkiri, a na-ejikwa ya na ụlọ ọrụ dịka ihe owuwu, ụlọ ọgwụ, nri, na ihe ịchọ mma.Cellulose ether bụ ihe a na-emegharịgharị, nke nwere ike imegharị, na nke na-adịghị egbu egbu, na-eme ka ọ bụrụ ihe ọzọ na-ewu ewu na polymers sịntetik.
Arụmọrụ na atụmatụ
1. Ọdịdị ọdịdị
Cellulose ether bụ ọcha, enweghị isi, ntụ ntụ fibrous nke na-amịkọrọ mmiri n'ụzọ dị mfe ma na-emepụta colloid kwụsiri ike, viscous, transperent mgbe agbazere na mmiri.
2. Nhazi ihe nkiri na adhesion
Mgbanwe kemịkalụ nke cellulose iji mepụta cellulose ether na-emetụta nke ọma akụrụngwa ya, gụnyere solubility ya, ike imepụta ihe nkiri, ike nkekọ, na nguzogide nnu.Àgwà ndị a na-eme ka cellulose ether bụrụ polymer a na-achọsi ike nke ukwuu nke nwere ike ịrụ ọrụ nke ọma, mgbanwe, nguzogide okpomọkụ, na nguzogide oyi.Ọzọkwa, ọ na-egosipụta ezigbo ndakọrịta dị iche iche na resins na plasticizers, na-eme ka ọ dị mma maka mmepụta plastik, ihe nkiri, varnishes, adhesives, latex, na ihe mkpuchi ọgwụ.N'ihi ihe ndị dị na ya, cellulose ether aghọwo ihe dị mkpa na ụlọ ọrụ mmepụta ihe, na-enye ọrụ dị mma, nkwụsi ike, na ịdịte aka n'ọtụtụ ngwaahịa.N'ihi ya, ọ nwere ọtụtụ ngwa ngwa na mpaghara dị iche iche, gụnyere ọgwụ, mkpuchi, textiles, ihe owuwu na ụlọ ọrụ nri, n'etiti ndị ọzọ.
3. Solubility
Solubility nke cellulose ethers dị ka methylcellulose, methyl hydroxyethyl cellulose, hydroxyethyl cellulose, na sodium carboxymethyl hydroxyethyl cellulose dịgasị iche dabere na okpomọkụ na ihe mgbaze eji.Methylcellulose na methyl hydroxyethyl cellulose bụ soluble n'ime mmiri oyi na ụfọdụ ihe mgbaze organic ma na-asọpụta mgbe ọkụ, na methylcellulose na-asọpụta na 45-60 ° C yana etherified methyl hydroxyethyl cellulose na 65-80 ° C.Otú ọ dị, ọnyà ndị ahụ nwere ike ịgbaze mgbe okpomọkụ na-agbada.N'aka nke ọzọ, hydroxyethyl cellulose na sodium carboxymethyl hydroxyethyl cellulose bụ mmiri soluble n'oge ọ bụla okpomọkụ ma na-adịghị soluble na organic solvents.Ndị a cellulose ethers nwere dị iche iche solubility na mmiri ozuzo Njirimara na-eme ka ha dị mma maka ngwa dị iche iche na ụlọ ọrụ dị ka plastik, ihe nkiri, mkpuchi, na adhesives.
4. Ịba ụba
Mgbe ether cellulose na-agbaze na mmiri, ọ na-etolite ngwọta colloidal nke viscosity ya na-emetụta ogo polymerization nke cellulose ether.Ngwọta ahụ nwere macromolecules hydrated nke na-egosipụta omume na-abụghị nke Newton, ya bụ, omume ịgbasa na-agbanwe site na ike shiee etinyere.N'ihi usoro macromolecular, viscosity nke ngwọta na-abawanye ngwa ngwa na ntinye uche, ma na-ebelata ngwa ngwa na mmụba okpomọkụ.A na-emetụtakwa viscosity nke ngwọta ether cellulose site na pH, ike ionic, na ọnụnọ nke kemịkalụ ndị ọzọ.Ihe ndị a pụrụ iche nke cellulose ether na-eme ka ọ baa uru na ngwa dị iche iche dị ka adhesives, mkpuchi, ihe ịchọ mma, na ngwaahịa nri.
Ngwa
1. Ụlọ ọrụ Petroleum
Sodium carboxymethyl cellulose (NaCMC) bụ cellulose ether nwere ọtụtụ ngwa ngwa na usoro mmịpụta mmanụ.Njiri mara mma ya na-abawanye na mbelata mmiri mmiri na-eme ka ọ bụrụ nhọrọ a ma ama n'ịgba mmiri mmiri, ịtinye mmiri cementi, na mmiri na-agbaji.Karịsịa, o gosipụtara nsonaazụ na-ekwe nkwa na-emeziwanye mgbake mmanụ.NaCMC nwere ike iguzogide mmetọ nnu soluble dị iche iche na ịbawanye mgbake mmanụ site na ibelata mmiri mmiri, na nguzogide nnu ya na ike na-abawanye viscosity na-eme ka ọ dị mma maka ịkwadebe mmiri mmiri maka mmiri ọhụrụ, mmiri mmiri na mmiri nnu jupụtara.
Sodium carboxymethyl hydroxypropyl cellulose (NaCMHPC) na sodium carboxymethyl hydroxyethyl cellulose (NaCMHEC) bụ abụọ cellulose ether mmepụta na elu slurrying ọnụego, ezi mgbochi calcium arụmọrụ, na ezi viscosity-abawanye ikike, na-eme ka ha magburu onwe nhọrọ dị ka mkpọpu apịtị na-elekọta mmadụ na ihe maka. na-akwadebe mmiri mmiri mmecha.Ha na-egosiputa ikike viscosity dị elu na-abawanye ike na mbelata mmiri na-ebelata ma e jiri ya tụnyere hydroxyethyl cellulose, na ike ha nwere ike ime ka ọ bụrụ mmiri na-egwupụta ihe dị iche iche n'okpuru ịdị arọ nke calcium chloride na-eme ka ha bụrụ ihe mgbakwunye maka ịba ụba mmanụ.
Hydroxyethyl cellulose (HEC) bụ cellulose ọzọ ewepụtara na-eji dị ka apịtị ndim na-eme ka mmadụ guzosie ike na mkpọpu ala, mmecha, na simenti usoro.E jiri ya tụnyere sodium carboxymethyl cellulose na guar gum, HEC nwere nkwusioru ájá siri ike, ikike nnu dị elu, ezigbo ọkụ na-eguzogide, obere ngwakọta ngwakọta, obere mfu mmiri mmiri, na gel na-agbaji ngọngọ.A na-eji HEC eme ihe n'ọtụtụ ebe n'ihi mmetụta ya dị mma, obere ihe fọdụrụ na ihe ndị ọzọ.N'ozuzu, cellulose ethers dị ka NaCMC, NaCMHPC, NaCMHEC, na HEC na-arụ ọrụ dị oke mkpa na usoro mmịpụta mmanụ ma gosipụta ikike dị ukwuu n'ịkwalite mgbake mmanụ.
2. Ụlọ ọrụ na-ewu na agba
Sodium carboxymethyl cellulose bụ ihe mgbakwunye ihe eji arụ ụlọ nwere ike iji mee ihe dị ka onye na-azụ azụ, onye na-ejigide mmiri, thickener na ihe nkedo maka iwu ụlọ na plasta ngwa agha.Enwere ike iji ya dị ka ihe na-ekesa, onye na-ejigide mmiri na ihe na-esi ísì ụtọ maka plasta, ngwa ngwa na ihe nhazi ala.Ngwakọta pụrụ iche nke masonry na plasta nke carboxymethyl cellulose mere nwere ike imeziwanye arụmọrụ, njigide mmiri na nguzogide mgbape, na-ezere mgbawa na oghere na mgbidi ngọngọ.Tụkwasị na nke ahụ, enwere ike iji methyl cellulose mee ihe ịchọ mma ụlọ maka gburugburu ebe obibi maka mgbidi dị elu na tile nkume, yana maka ịchọ mma nke ogidi na ihe ncheta.
3. Daily Chemical Industry
Sodium carboxymethyl cellulose bụ viscosifier na-eme ka ọ kwụsie ike nke ukwuu nke enwere ike iji na ngwaahịa dị iche iche.N'ime ngwaahịa mado nwere akụrụngwa ntụ ntụ siri ike, ọ na-arụ ọrụ dị oke egwu na mgbasa na nkwusioru nkwusioru.Maka ihe ịchọ mma mmiri mmiri ma ọ bụ emulsion, ọ na-arụ ọrụ dị ka ihe na-agbakọ, na-agbasasị, na onye na-emekọ ihe.Mwepụta cellulose a nwekwara ike ịrụ ọrụ dị ka onye na-eme ka emulsion stabilizer, ude na ncha ntutu na stabilizer, ihe ntanye eze na-eme ka ọ dị nro, na ncha akwa na ihe mgbochi.A na-eji sodium carboxymethyl hydroxypropyl cellulose, ụdị cellulose ether, mee ihe dị ka ihe nkwụsi ike nke eze n'ihi ihe ndị thixotropic ya, nke na-enyere aka ịnọgide na-enwe nhazi nha nha na nkwụsi ike.Mwepụta a na-eguzogidekwa nnu na acid, na-eme ka ọ bụrụ ihe na-eme ka ọ dị irè na ncha na ihe ndị na-egbochi ntụpọ.Sodium carboxymethyl cellulose na-ejikarị dị ka a unyi dispersant, thickener, na dispersant na mmepụta nke ịsacha ntụ ntụ na mmiri mmiri detergents.
4. Ụlọ ọrụ ọgwụ na nri
N'ime ụlọ ọrụ na-emepụta ọgwụ, Yibang hydroxypropyl carboxymethylcellulose (HPMC) bụ nke a na-ejikarị dị ka ihe mgbakwunye ọgwụ maka ntọhapụ ọgwụ ọnụ ọnụ yana nkwado ntọhapụ.Ọ na-arụ ọrụ dị ka ihe na-eme ka ọ bụrụ ihe nkwụsịtụ iji dozie ntọhapụ nke ọgwụ ọjọọ, yana dịka ihe mkpuchi na-egbu oge ntọhapụ nke usoro.A na-ejikarị Methyl carboxymethyl cellulose na ethyl carboxymethyl cellulose eme mbadamba nkume na capsules, ma ọ bụ na-ekpuchi mbadamba shuga.N'ime ụlọ ọrụ nri, cellulose ethers dị elu bụ ndị na-emepụta ihe na-arụ ọrụ nke ọma, stabilizers, excipients, ndị na-ejide mmiri na ndị na-emepụta ụfụfụ na nri dị iche iche.Methylcellulose na hydroxypropylmethylcellulose ka a na-ahụta na enweghị ike metabolic na enweghị nchekwa maka oriri.Enwere ike ịgbakwunye carboxymethylcellulose dị ọcha na ngwaahịa nri, gụnyere mmiri ara ehi na ude, condiments, jams, jelii, nri mkpọ, sirop table, na ihe ọṅụṅụ.Na mgbakwunye, enwere ike iji carboxymethyl cellulose na mbugharị na nchekwa mkpụrụ osisi ọhụrụ dị ka ihe mkpuchi rọba, na-enye mmetụta dị mma na-edobe ọhụrụ, obere mmetọ, enweghị mmebi, yana nrụpụta igwe dị mfe.
5. Ngwa anya na eletrik na-arụ ọrụ
Ether cellulose dị elu dị ọcha nke nwere ezigbo acid na nguzogide nnu na-arụ ọrụ dị ka ihe na-eme ka electrolyte sie ike, na-enye akụrụngwa colloidal kwụsiri ike maka batrị alkaline na zinc-manganese.Ụfọdụ ethers cellulose na-egosiputa crystallinity mmiri mmiri thermotropic, dị ka hydroxypropyl cellulose acetate, nke na-emepụta kristal mmiri mmiri cholesteric n'okpuru 164°C.
Isi ntụaka
● Akwụkwọ ọkọwa okwu nke Chemical Ihe.
● Njirimara, nkwadebe na ngwa mmepụta ihe nke cellulose ether.
● Ọnọdụ Quo na Development Trend nke Cellulose Ether Market.
