Kedu ihe bụ cellulose ether?

Isi mmalite nke cellulose maka mmepụta ahịa nke cellulose ether bụ osisi pulp, ọ bụ ezie na a pụkwara iji ihe ọkụkụ ndị ọzọ dị ka owu na ihe ndị ọzọ na-arụ ọrụ ugbo. Cellulose na-enweta usoro ọgwụgwọ kemịkalụ, gụnyere nchacha, alkalization, etherification, na ihicha, iji mepụta ngwaahịa ether cellulose ikpeazụ.

Cellulose ether na-enye ọtụtụ ihe a na-achọsi ike nke na-eme ka ọ baa uru na ngwa dị iche iche:

1. Mmiri Solubility:Cellulose ether na-abụkarị mmiri soluble, na-ekwe ka ọ dị mfe agbasasị ma tinye ya n'ụdị dị iche iche. Ọ na-etolite ngwọta doro anya ma kwụsie ike na mmiri, na-enye ihe ndị na-eme ka ọ dị mma na-eme ka ahụ sie ike.
2. Ngbanwe Rheology:Otu n'ime uru dị mkpa nke cellulose ether bụ ikike ya ịgbanwe omume na-asọpụta na viscosity nke mmiri mmiri. Ọ nwere ike rụọ ọrụ dị ka ihe na-eme ka ọ dị arọ, na-enye nkwụsi ike, udidi, na nkwụsi ike na ngwaahịa. Site n'ịgbanwe ụdị na usoro onunu ogwu nke cellulose ether, ọ ga-ekwe omume nweta ụdị viscosities dị iche iche, site na obere viscosity mmiri na-egbuke egbuke gels.
3. Nhazi ihe nkiri:Cellulose ether nwere ike ịmepụta ihe nkiri mgbe ngwọta akpọnwụwo. Ihe nkiri ndị a na-apụta ìhè, na-agbanwe agbanwe, ma nwee ezigbo ike tensile. Enwere ike iji ha dị ka mkpuchi mkpuchi, ihe nkedo, ma ọ bụ matrices na ngwa dị iche iche.
4. Njide mmiri:Cellulose ether nwere ezigbo ihe na-ejigide mmiri. N'ime ngwa ihe owuwu, enwere ike iji ya na ngwaahịa simenti na-eme ka arụ ọrụ dịkwuo mma, belata mmiri na-efunahụ, ma melite usoro hydration. Nke a na-eduga n'ịkwalite mmepe ike, mbelata mgbawa, na nkwalite ịdịte aka nke kọmpụta ma ọ bụ ngwa agha ikpeazụ.
5.Adhesion na njide:Cellulose ether na-egosipụta ihe nrapado, na-eme ka ọ baa uru dị ka ihe nkedo na ngwa dị iche iche. Ọ nwere ike ịkwalite adhesion n'etiti ihe dị iche iche ma ọ bụ mee ihe dị ka onye na-ejikọta ya na mbadamba nkume, granules, ma ọ bụ usoro ntụ ntụ.
6.Chemical kwụsie ike:Cellulose ether na-eguzogide hydrolysis n'okpuru ọnọdụ nkịtị, na-enye nkwụsi ike na ịrụ ọrụ n'ọtụtụ ọkwa pH. Nke a na-eme ka ọ dị mma maka iji acidic, alkaline, ma ọ bụ gburugburu ebe na-anọpụ iche.
7. Thermal kwụsie ike:Cellulose ether na-egosipụta ezigbo nkwụsi ike nke okpomọkụ, na-enye ya ohere idobe ihe onwunwe ya n'elu oke okpomọkụ. Nke a na-eme ka ọ dị mma maka ngwa ndị gụnyere usoro ikpo ọkụ ma ọ bụ oyi.

Ọkwa ama ama nke cellulose ether

Cellulose ether dị na ọkwa dị iche iche, nke ọ bụla nwere njirimara ya na njirimara ya. Ihe ndị a na-ejikarị cellulose ether grades gụnyere Hydroxypropyl Methylcellulose (HPMC), Methyl Hydroxyethylcellulose (MHEC), Hydroxyethylcellulose (HEC), Carboxymethylcellulose (CMC), Ethyllucellulose Ethylcellulose (EC), na Methylcellulose (MC). Ka anyị nyochaa ọkwa nke ọ bụla n'ụzọ zuru ezu:

1.Hydroxypropyl Methylcellulose (HPMC):

HPMC bụ otu n'ime cellulose ether nke a na-ejikarị eme ihe. A na-enweta ya site na cellulose site na mgbanwe kemịkalụ na propylene oxide na methyl chloride. A maara HPMC maka njide mmiri ya, njupụta na ihe na-emepụta ihe nkiri. Ọ na-enye ọrụ dị oke mma, mmachi mmachi, yana ogologo oge na-emeghe na ngwa owuwu dị ka ngwa agha drymix, adhesives tile, na cement renders. N'ime ụlọ ọrụ na-emepụta ọgwụ, a na-eji HPMC dị ka ihe nchikota, ihe nkiri bụbu, yana onye na-ewepụta ihe na-achịkwa n'ụdị mbadamba.
2.Methyl Hydroxyethylcellulose (MHEC):

MHEC bụ ọkwa ether cellulose emepụtara site n'imeghachi cellulose na methyl chloride na ethylene oxide. Ọ na-enye ihe ndị yiri ya na HPMC mana enwere ike ijide mmiri. A na-ejikarị ya eme ihe na nrapado tile, grouts, na ihe ndị dabeere na ciment ebe a na-achọ ka arụ ọrụ dị mma, njide mmiri, na adhesion. MHEC na-ahụkwa ngwa na ụlọ ọrụ ọgwụ dị ka onye na-ekekọta ihe na-emepụta ihe nkiri na mbadamba mbadamba.
3.Hydroxyethylcellulose (HEC):

A na-enweta HEC site na cellulose site na mgbakwunye nke otu ethylene oxide. Ọ bụ mmiri-soluble ma na-enye ndị mara mma ndim na rheology akara Njirimara. A na-ejikarị HEC eme ihe na ngwaahịa nlekọta onwe onye, ​​​​dị ka shampoos, conditioners, na lotions, iji nye viscosity, kwalite nkwụsi ike ụfụfụ, ma melite àgwà mmetụta. A na-ejikwa ya rụọ ọrụ dị ka onye na-agbapụta ihe na ihe nkedo na agba, mkpuchi, na nrapado.

4.Carboxymethylcellulose (CMC):

A na-emepụta CMC site na iji sodium monochloroacetate meghachi omume cellulose iji webata otu carboxymethyl na agbụ cellulose. CMC na-agbaze mmiri nke ukwuu ma na-egosiputa ihe njiri mara mma, nkwụsi ike na imepụta ihe nkiri. A na-ejikarị ya eme ihe n'ụlọ ọrụ nri dị ka onye na-agbapụta, stabilizer, na emulsifier n'ọtụtụ ngwaahịa, gụnyere mmiri ara ehi, bred, sauces, na ihe ọṅụṅụ. A na-ejikwa CMC n'ọrụ na ọgwụ, nlekọta onwe onye, ​​na ụlọ ọrụ akwa.

5.Ethyl Hydroxyethylcellulose (EHEC):

EHEC bụ ọkwa ether cellulose nke jikọtara njirimara nke ethyl na hydroxyethyl nnọchi. Ọ na-enye nkwalite ịgbatị, njikwa rheology, na ike ijide mmiri. A na-ejikarị EHEC eme ihe na mkpuchi mmiri, ihe ntanye, na ihe owuwu iji meziwanye arụmọrụ, nkwụsị sag, na mmepụta ihe nkiri.
6.Ethylcellulose (EC):

EC bụ ether cellulose na-abụghị ionic nke a na-ejikarị eme ihe na ụlọ ọrụ ọgwụ na mkpuchi. Ọ bụ ihe a na-adịghị ahụkebe na mmiri mana ọ na-agbaze na ihe mgbaze organic. EC na-enye ihe ndị na-emepụta ihe nkiri, na-eme ka ọ dị mma maka usoro nnyefe ọgwụ na-achịkwa-achịkwa, mkpuchi ntinye, na mkpuchi mgbochi. A na-ejikwa ya na-emepụta inks pụrụ iche, lacquers, na adhesives.
7. Methylcellulose (MC):

A na-enweta MC site na cellulose site na mgbakwunye nke otu methyl. Ọ bụ mmiri-soluble ma na-egosiputa ọmarịcha ihe nkiri-akpụ, ndim, na emulsifying Njirimara. A na-ejikarị MC eme ihe na ụlọ ọrụ na-emepụta ọgwụ dị ka ihe nkedo, disintegrant, na viscosity modifier n'ụdị mbadamba. A na-ejikwa ya na ụlọ ọrụ nri dị ka ihe na-agba agba, stabilizer, na emulsifier na ngwaahịa dị iche iche.
Ndị a cellulose ether grades na-enye ọtụtụ ọrụ dị iche iche ma họrọ ya dabere na ihe achọrọ nke ngwa ọ bụla. Ọ dị mkpa iburu n'uche na ọkwa ọ bụla nwere ike ịnwe nkọwa dị iche iche na njirimara arụmọrụ, gụnyere viscosity, arọ molecular, ọkwa nnọchi, na okpomọkụ gel. Ndị na-emepụta ihe na-enye mpempe akwụkwọ data teknụzụ na ntuziaka iji nyere aka n'ịhọrọ ọkwa kwesịrị ekwesị maka otu nhazi ma ọ bụ ngwa.

cellulose ether grades dị ka HPMC, MHEC, HEC, CMC, EHEC, EC, na MC nwere dị iche iche Njirimara na-eji na dị iche iche ọrụ. Ha na-enye njigide mmiri, ịgbatị, imepụta ihe nkiri, ihe nkwụsi ike, na nkwụsi ike na-eme ka ahụ dịkwuo mma. Ndị a cellulose ether grades na-ekere òkè dị ịrịba ama na ihe owuwu ihe owuwu, ọgwụ ọgwụ, ngwaahịa nlekọta onwe onye, ​​nri, agba na mkpuchi, adhesives, na ndị ọzọ, na-enye aka na arụmọrụ na arụmọrụ nke ụdị dịgasị iche iche nke nhazi na ngwaahịa.

Cellulose ether na-achọta nnukwu ngwa n'ofe ụlọ ọrụ dị iche iche:

1.Construction Industry: Na-ewu ụlọ, cellulose ether na-eji dị ka isi ihe mgbakwunye na drymix mortars, tile adhesives, grouts, ciment renders, na onwe-leveling ogige. Ọ na-eme ka arụmọrụ rụọ ọrụ, njide mmiri, adhesion, na ịdịte aka nke ihe ndị a. Na mgbakwunye, cellulose ether na-eme ka arụmọrụ nke sistemu mkpuchi ọkụ dị n'èzí (ETICS) dịkwuo mma site n'ịbawanye nrapado na mgbanwe nke ngwa nrapado.

Ụlọ ọrụ 2.Pharmaceutical: A na-eji cellulose ether eme ihe n'ụdị ọgwụ. Ọ na-arụ ọrụ dị ka ihe nkedo, na-ekesa, na onye na-ewepụta ihe na-achịkwa n'ụdị mbadamba. Ọ na-enye ike ike mbadamba ihe ka mma, mgbasa ngwa ngwa, yana njirimara mwepụta ọgwụ a na-achịkwa. Ọzọkwa, ether cellulose nwekwara ike iji dị ka viscosity modifier na mmiri mmiri formulations, nkwusioru, na emulsions.

3.Personal Care and Cosmetics: Na ngwaahịa nlekọta onwe onye, ​​cellulose ether na-arụ ọrụ dị ka onye na-eme ka ọ dịkwuo arọ, onye na-eme ka ọ dị ike, na onye na-emepụta ihe nkiri. Ọ na-enye ude, lotions, gels, shampoos, na usoro nlekọta onwe onye ndị ọzọ, udidi na ihe ndị a chọrọ. Cellulose ether na-enyere aka melite nkwụsi ike, mgbasa, na n'ozuzu mmetụta mmetụta nke ngwaahịa ndị a. Ọ nwekwara ike welie mma ụfụfụ na nhazi nhazi.

Ụlọ ọrụ 4.Food: A na-eji cellulose ether eme ihe na ụlọ ọrụ nri dị ka onye na-emepụta ihe, emulsifier, stabilizer, na ihe mgbakwunye nri nri. Ọ nwere ike melite udidi, mmetụta ọnụ, na ndụ nchekwa nke ngwaahịa nri. A na-ejikarị cellulose ether eme ihe n'uwe salad, nri nri, ndochi ebe a na-eme achịcha, desserts oyi kpọnwụrụ, na nhazi nri dị obere ma ọ bụ obere kalori.

5.Paints na mkpuchi: A na-eji cellulose ether eme ihe na agba na mkpuchi dị ka onye na-emegharị rheology na onye na-eme ka ọ dị arọ. Ọ na-enyere aka ịchịkwa viscosity, eruba, na nhazi ọkwa nke mkpuchi. Cellulose ether na-emekwa ka nkwụsi ike na mgbasa nke pigmenti na ihe ndị na-ejuputa n'ụdị agba.

6.Adhesives na Sealants: Cellulose ether na-achọta ngwa n'ime adhesives na sealants iji mee ka viscosity, adhesion, na mgbanwe. Ọ na-eme ka arụ ọrụ na tackiness nke usoro ahụ dịkwuo mma, na-eme ka njikọ dị irè nke ihe dị iche iche dịkwuo mma.

7.Oil na Gas Industry: A na-eji cellulose ether eme ihe na-egwupụta mmiri na mmiri na-emecha na ụlọ ọrụ mmanụ na gas. Ọ na-enye njikwa viscosity, mbelata mfu mmiri, yana ihe mgbochi shale. Cellulose ether na-enyere aka ịnọgide na-enwe nkwụsi ike na ịrụ ọrụ nke mmiri na-egwupụta ihe n'okpuru ọnọdụ ndị siri ike.

8.Textile Industry: Na textile ụlọ ọrụ, cellulose ether a na-arụrụ ọrụ dị ka a thickening gị n'ụlọnga maka textile obibi pastes. Ọ na-eme ka nkwụsi ike, mgbaba, na nnyefe agba nke mpempe akwụkwọ, na-eme ka nbipụta otu na dị egwu.