Carboxymethyl cellulose (CMC)
Nkọwa ngwaahịa
Enyere nkọwapụta
Uzuzu eriri flocculent ọcha ma ọ bụ odo odo ọdịnaya ≥ 99%
(Oghere akwụkwọ ntụaka ngwa 'eji ngwaahịa')
A na-akwado ya site na ihe ndị na-emepụta cellulose nke carboxymethyl substituents, nke a na-emeso ya na sodium hydroxide iji mepụta alkali cellulose, wee meghachi omume na monochloroacetic acid.Ngalaba glucose nke mebere cellulose nwere otu hydroxyl atọ nwere ike dochie ya, yabụ enwere ike nweta ngwaahịa nwere ogo dị iche iche nke nnọchi.Mgbe ewebata 1mmol carboxymethyl kwa 1g akọrọ n'ịdị arọ, ọ na-esighi ike na mmiri na itughari acid, mana enwere ike zaa ma jiri ya mee chromatography mgbanwe ion.Carboxymethyl pKa, ihe dịka 4 na mmiri dị ọcha na 3.5 na 0.5mol / L NaCl, bụ onye na-agbanwe acidic cation na-adịghị ike, nke a na-ejikarị eme ihe maka nkewa nke na-anọpụ iche na protein ndị bụ isi na pH> 4. Mgbe ihe karịrị 40% hydroxyl otu bụ carboxymethyl, ọ nwere ike igbari n'ime mmiri iji mepụta ngwọta colloidal kwụsiri ike nke nwere nnukwu viscosity.
EVERBRIGHT®' ga-enye ahaziri ： ọdịnaya / ọcha / particlesize / PHUru / agba / packagingstyle / nkwakọ nkọwa na ndị ọzọ kpọmkwem ngwaahịa ndị ọzọ adabara gị ojiji ọnọdụ, na-enye free samples.
Usoro ngwaahịa
9000-11-7
618-326-2
178.14
Anionic cellulose ethers
1.450 g/cm³
Na-esighi ike na mmiri
527.1 ℃
274 ℃
Iji ngwaahịa
Carboxymethyl cellulose (CMC) bụ ntụ ntụ na-acha ọcha na-adịghị egbu egbu na nke na-enweghị ụtọ nke nwere arụmọrụ kwụsiri ike ma dị mfe igbari na mmiri.Ihe ngwọta ya bụ mmiri mmiri na-anọpụ iche ma ọ bụ alkaline transperent viscous mmiri mmiri, soluble na ndị ọzọ mmiri-soluble adhesives na resins, na insoluble ke organic solvents dị ka ethanol.Enwere ike iji CMC dị ka ihe nkedo, thickener, onye nkwusioru, emulsifier, dispersant, stabilizer, sizing agent, wdg. ụlọ ọrụ MSG".
Detergency
1. Sodium carboxymethyl cellulose bụ surfactant, nke nwere ike ji mee ihe dị ka ihe mgbochi mmejọ re-deposition, nke bụ dispersant na surfactant nke unyi ahụ, akpụ a uko adsorption oyi akwa na unyi iji gbochie ya re-adsorption na eriri .
2. Mgbe sodium carboxymethyl cellulose na-agbakwunyere na-asa ntụ ntụ, ngwọta nwere ike evenly agbasasị na mfe adsorbed n'elu nke siri ike ahụ, na-akpụ a oyi akwa nke hydrophilic adsorption gburugburu siri ike ahụ.Mgbe ahụ, esemokwu dị n'etiti mmiri mmiri na ihe ndị siri ike dị ntakịrị karịa nhụsianya elu n'ime ihe ndị siri ike, na mmetụta wetting nke molekul surfactant na-ebibi njikọ dị n'etiti ihe ndị siri ike.Nke a na-achụsasị unyi n'ime mmiri.
3. A na-agbakwunye sodium carboxymethyl cellulose na ntụ ntụ na-asa ákwà, nke nwere mmetụta emulsifying.Mgbe emulsifying nha nha mmanụ, ọ naghị adị mfe ikpokọta na ịkwanye na uwe.
4. A na-agbakwunye sodium carboxymethyl cellulose na ntụ ntụ na-asa ákwà, nke nwere mmetụta wetting ma nwee ike ịbanye n'ime ihe ndị dị na hydrophobic unyi, na-etipịa ihe ndị ahụ ruru unyi n'ime akụkụ colloidal, nke mere na unyi dị mfe ịhapụ eriri ahụ.
Mgbakwunye nri
A na-eji CMC eme ihe n'ọtụtụ ebe na ụlọ ọrụ nri, n'ụdị ihe ọṅụṅụ mmiri ara ehi dị iche iche, condiments, na-arụ ọrụ nke ịgbatị, na-eme ka ọ dịkwuo mma, na-emeziwanye ụtọ, na ice cream, achịcha na pastes, noodles ozugbo na pastes ngwa ngwa na nri ndị ọzọ, na-arụ ọrụ ahụ. nke akpụ, imeziwanye uto, idebe mmiri, ịkwalite ike na ihe ndị ọzọ.N'ime ha, FH9, FVH9, FM9 na FL9 nwere ezigbo nkwụsi ike acid.Ụdị ngwaahịa ndị ọzọ dị elu nwere ihe ndị na-eme ka ọkpụkpụ dị mma.CMC nwere ike dozie nsogbu nke ikewapụ mmiri siri ike na mmiri ozuzo nke ihe ọṅụṅụ lactic acid mgbe ọdịnaya protein karịrị 1%, ma nwee ike ime ka mmiri ara ehi lactic acid nwee ezigbo uto.Mmiri ara ehi a na-emepụta nwere ike ịnọgide na-enwe nkwụsi ike na PH nke 3.8-4.2, nwere ike iguzogide pasteurization na 135 ℃ ozugbo sterilization usoro, àgwà ngwaahịa bụ kwụsiri ike na ntụkwasị obi, na ike ịchekwa na nkịtị okpomọkụ ihe karịrị ọnwa isii.Ngwakọta nri mbụ na ụtọ yogọt agbanwebeghị.Ice ude nwere CMC, nwere ike igbochi uto nke kristal ice, nke mere na ice cream na-atọ ụtọ nke ukwuu mgbe ị na-eri nri, enweghị nnyapade, griiz, abụba dị arọ na uto ọjọọ ndị ọzọ.Ọzọkwa, ọnụ ọgụgụ ọzịza dị elu, na nguzogide okpomọkụ na mgbaze dị mma.CMC maka ngwa ngwa noodles na-eme ka noodles ozugbo nwee ezigbo ike, ezigbo ụtọ, ọdịdị zuru oke, obere turbidity nke ofe, ma nwee ike ibelata ọdịnaya mmanụ (ihe dịka 20% dị ala karịa oriri mmanụ mbụ).
Ụdị ịdị ọcha dị elu
A na-eji akwụkwọ CMC mee ihe maka nhazi akwụkwọ, nke mere na akwụkwọ ahụ nwere njupụta dị elu karị, ink permeability dị mma, nwere ike ime ka adhesion dị n'etiti eriri dị n'ime akwụkwọ ahụ, si otú ahụ na-eme ka akwụkwọ ahụ dịkwuo mma na nkwụsị nke mpịachi.Meziwanye ntinye nke ime nke akwụkwọ ahụ, belata uzuzu mbipụta n'oge mbipụta, ma ọ bụ ọbụna enweghị ájá.N'elu mpempe akwụkwọ iji nweta ezigbo akara na mmanu mmanu iji meziwanye mma obibi akwụkwọ.Ihe dị n'elu akwụkwọ ahụ na-eme ka ọkụ ahụ dịkwuo mma, na-ebelata porosity, ma na-arụ ọrụ nke njide mmiri.Ọ na-enyere aka ịgbasa pigmenti ahụ, mee ka ndụ nke scraper dịkwuo ogologo, ma na-enye mma mmiri dị mma, ihe anya anya na nhazi mbipụta maka nhazi ọdịnaya dị elu.
Ọkwa ntacha eze
CMC nwere ezigbo pseudoplasticity, thixotropy na ntolite.Ihe nkedo nke ntanye eze na-akwụsi ike, nkwekọ ahụ dabara adaba, nhazi ahụ dị mma, ihe ntanye eze adịghị agba mmiri, ọ dịghị agbaze, ọ bụghị nke siri ike, ihe nkedo ahụ na-egbuke egbuke ma dị nro, dị nro, na-eguzogide ọgwụ na mgbanwe okpomọkụ.Nkwekọrịta dị mma na akụrụngwa dị iche iche na ncha eze;Ọ nwere ike ịrụ ọrụ dị mma n'ịkpụzi, njikọta, moisturize na idozi ísì.
Pụrụ iche maka ceramik
Na mmepụta seramiiki, a na-eji ha n'otu n'otu na embrayo seramiiki, glaze paste na glaze floral.A na-eji ọkwa CMC seramiiki dị ka ihe nkedo oghere na seramiiki billet iji kwalite ike na rọba nke billet.Melite mkpụrụ.Na seramiiki glaze, ọ nwere ike igbochi mmiri ozuzo nke ihe ndị na-egbuke egbuke, mee ka ikike adhesion nke glaze dịkwuo mma, meziwanye njikọ nke glaze oghere ma melite ike nke oyi akwa.Ọ nwere ezigbo permeability na mgbasa na glaze na-ebipụta akwụkwọ, nke mere na glaze na-ebi akwụkwọ kwụsiri ike na edo.
Ebe mmanụ pụrụ iche
Ọ nwere njirimara nke ụmụ irighiri ihe ngbanwe edo, ịdị ọcha dị elu na obere usoro onunu ogwu, nke nwere ike melite arụmọrụ nke usoro apịtị.Ezigbo nguzogide mmiri, nguzogide nnu na nguzogide alkaline, kwesịrị ekwesị maka ngwakọta na iji mmiri nnu jupụtara na mmiri mmiri.Ọ dabara maka nkwadebe ntụ ntụ na obere oge ịgbara mmanụ n'ubi nrigbu.Polyanionic cellulose (PAC-HV) bụ viscosifier dị irè nke ukwuu nke nwere mkpụrụ osisi pulp dị elu yana ikike ibelata mmiri na-efunahụ na apịtị.Polyanionic cellulose (PAC-LV) bụ ezigbo ihe na-ebelata mmiri mmiri na apịtị, nke nwere njikwa dị mma nke ukwuu nke mmiri na-efunahụ na mmiri mmiri na apịtị mmiri nnu juru.Kwesịrị ekwesị maka usoro apịtị nke siri ike ịchịkwa ọdịnaya siri ike na mgbanwe dịgasị iche iche.CMC, dị ka mmiri na-agbaji jel, nwere njirimara nke ezigbo gelatinability, ájá siri ike na-ebu ikike, ike imebi roba na obere ihe fọdụrụ.
