Carboxymethyl selile ya selile (CMC) ni ikariso ya carboxymethymedIgitungizo cya selile, kandi uzwi kandi nka selile ya selile, kandi ni gum yingenzi ionic sellease.
CMC mubisanzwe anionmer polyment ya aiyoni yateguwe yo gufata selile karemano hamwe na aside ya alkali na acide monochlorondoaceti. Uburemere bwa molekile bwikigereranyo buratandukanye mubihumbi bigera kuri miliyoni.
CMC ni iy'amahinduzi ya selile Kamere, kandi ishyirahamwe ry'ubuhinzi n'ubuhinzi bw'umuryango w'abibumbye (FAO) n'umuryango w'ubuzima ku isi (ninde) witwaga "wahinduwe na selile yahinduwe". Uburyo bwa synthesis ya sodium Carboxymethyl bwahimbwe n'Umudage E. Jansen mu 1918, kandi yashyizwe ku isi, hanyuma amenyekana ku isi, hanyuma amenyekana mu Burayi.
CMC ikoreshwa cyane muri peteroli, geologiya, imiti, ibiryo, farumasi n'izindi nganda zizwi nka "inganda za monosodium".
Imiterere ya CMC
CMC ni ifu yera cyangwa yoroheje yumuhondo, granular cyangwa fibrous ikomeye. Nibintu bya macromoleculale bishobora gukuramo amazi no kubyimba. Iyo birumye mumazi, birashobora gukora kole ikora neza. PH yihagarikwa ry'inyenzi ni 6.5-8.5. Ibintu birashonga mubintu bya kama nka ethanol, ether, acetone na chloroform.
CMC ikomeye irahamye ubushyuhe bwumucyo nubushyo, kandi irashobora kubikwa igihe kirekire mubidukikije byumye. CMC nubwoko bwa selile, mubisanzwe bikozwe mubilten ngufi (ibikubiye muri selile kugeza kuri 98%) cyangwa bifatanije na sodium modiaimide hanyuma bikareba hamwe na sodium monochlorotate, hanyuma uburemere bwa modium yikigereranyo ni 6400 (± 1000). Mubisanzwe hariho uburyo bubiri bwo gutegura: Uburyo bwamazi hamwe nuburyo bwo gukemura. Hariho izindi fibre zihingwa zikoreshwa mugutegura cmc.
Ibiranga na porogaramu
CMC ntabwo ari stabilizer nziza gusa hamwe nubwinshi bwa porogaramu zibiribwa, ariko kandi ifite umutekano mwiza kandi ushongeshejwe, kandi urashobora kuzamura uburyohe bwibicuruzwa hanyuma ukandagira umwanya wo kubika.
Mu 1974, imiryango y'umuryango w'abibumbye n'ubuhinzi (FAO) n'umuryango w'ubuzima ku isi (NINDE) yemeje ikoreshwa rya CMC yera mu biryo nyuma y'ubushakashatsi bw'ikinyabuzima ndetse n'uburozi. Ifatwa ryiza (adi) ryimiryango mpuzamahanga ni 25mg / kg ibiro byumubiri / kumunsi.
kubyimba no kumuhaza
Kurya CMC birashobora kubyutsa no guhagarika ibinyobwa birimo ibinure na poroteyine. Ni ukubera ko CMC ihinduka inkwara rihagaze neza nyuma yo gushonga mumazi, kandi ibice bya poroteyine bihinduka ibice bimwe bigamije kurengera imvura ya colloidal, ishobora gukora ibice bya poroteyine, bikaba bishobora gukora ibice bya poroteyine, Ifite ingaruka zimwe na zimwe zingana, bityo irashobora kugabanya amakimbirane yubuso hagati yibinure namazi icyarimwe, kuburyo ibinure bishobora kubyuka byuzuye.
CMC irashobora kunoza umutekano wibicuruzwa, kuko mugihe PH agaciro ka PH selilolectric ya poroteyine, soledul.
Kongera ubwinshi
Gukoresha CMC muri ice cream birashobora kongera urwego rwa ice cream, ngwino umuvuduko wo gushonga, tanga ishusho nziza kandi uburyohe, kandi bigenzure ubunini no gukura kwa kirisiti mugihe cyo gutwara no kubika. Amafaranga yakoreshejwe ni 0.5% yinyongera hamwe.
Ni ukubera ko CMC ifite ihohoterwa rishingiye ku mazi kandi ridatandukanye, kandi rihuza kamere ibice bya poroteyine, ibinure bya globules, na molekile y'amazi muri colleid kugirango ikore sisitemu imwe kandi ihamye.
Hydrophilicility na Retydration
Iyi mitungo ikora muri CMC ikoreshwa muri rusange umusaruro wumugati, ishobora gutuma univerrarm Hoombimms, ongera amajwi, kugabanya dregs, kandi ufite ingaruka zo kubungabunga ubushyuhe nubushya; Noodles yongeweho na CMC ifite amazi meza yo gukora, kurwanya ibitere, nuburyohe bwiza.
Ibi bigenwa nuburyo bwa cmc, nikihe cya selile kandi gifite umubare munini wamatsinda ya hydrophilique mumurongo wa molekili: -OH GROUP, TMC ifite hydrophilere nziza kuruta ubushobozi bwa selile namazi.
Gereza
Thixotropic CMC bivuze ko iminyururu ya Macromolecular ifite imikoranire runaka kandi ikunda gukora imiterere yintangarugero itatu. Nyuma yurutonde rwibipimo bitatu byashizweho, viscogity yibisubizo yiyongera, kandi nyuma yimiterere yinshuro eshatu iracika, vicosity iragabanuka. Thixotropy phenomenon ni uko bigaragara ko vicosity ihinduka biterwa nigihe.
Thixotropic CMC igira uruhare runini muri sisitemu ya selling kandi irashobora gukoreshwa mugukora jelly, jam nibindi biribwa.
Irashobora gukoreshwa nka Clarifier, Stabilizer, yongere umunwa
CMC irashobora gukoreshwa mumusaruro wa divayi kugirango uburyohe buke kandi bukungahaye kuri kera; Irashobora gukoreshwa nka stabilizer ifuze mumusaruro wa byeri kugirango ikore ibibyimba bikungahaye kandi ndende kandi itezimbere uburyohe.
CMC nubwoko bwa Polyelectrolyte, bushobora kugira uruhare muburyo butandukanye muri divayi kugirango bugumane uburinganire bwumubiri wa vino. Muri icyo gihe, irahuza kandi na kristu yashinze, ihindura imiterere ya kristu, ihindura imiterere yo kubaho kwa kristu ya divayi, kandi imvura itera gutera. Igiteranyo cyibintu.
Igihe cyagenwe: Feb-14-2025