Kusambitsa ufa ndi chinthu chodziwika bwino, makamaka kugwiritsidwa ntchito pakutsuka zovala. Munjira yotsuka ufa, zosakaniza zingapo zimaphatikizidwa, ndipo imodzi mwazowonjezera zowonjezera ndi cmc, yomwe imatchedwa carboxymethyl celluum ku China. CMC imagwiritsidwa ntchito kwambiri pazinthu zambiri zogula tsiku ndi tsiku monga kukula, kusungitsa ndi kuyimilira. Posambitsa ufa, ntchito yayikulu ya cmc ndikusintha kuti pakutsuka ufa, sungani kufanana kwa ufa, ndikutenga gawo m'madzi osungirako madzi. Kumvetsetsa zomwe zili mu cMC pakutsuka ufa ndikofunikira kwambiri kuti mumvetsetse momwe ntchito ndi kuteteza chilengedwe posambitsa ufa.
1. Udindo wa CMC pakutsuka ufa
CMC imachita ngati kuyimilira ndikuyimilira pakutsuka ufa. Makamaka, udindo wake umaphatikizapo mbali zotsatirazi:
Sinthani kusinthasintha: cmc imatha kupewa dothi kuti lisayikenso pa nsalu, makamaka kuti tiletse tinthu tina tating'onoting'ono komanso timayimitsa nthaka kuti isakuvundidwe. Amapanga filimu yoteteza panthawi yotsuka kuti muchepetse zotheka kuti zisadetsedwe ndi madontho.
Khazikitsani njira yotsuka ufa: masentimita amatha kuthandizira kulekanitsa kwa zosakaniza mu ufa ndikuwonetsetsa kuti amagawidwera nthawi yosungirako ufa. Izi ndizofunikira kwambiri kuti mukhalebe ndi ufa wautali wotsuka.
Kusungidwa kwamadzi ndi zofewa: CMC ili ndi mayamwa abwino ndi kusungidwa kwamadzi, komwe kungathandize kusamba ufa kukhala bwino ndikusunga madzi ena pakuyeretsa. Nthawi yomweyo, imatha kupanga zovala zofewa komanso kusamba pang'ono, ndipo sizophweka kuti zikhale zouma.
2. Mitundu ya CMC
Kupanga mafakitale, zomwe zili mu cMC pakutsuka ufa nthawi zambiri sizikhala zazitali kwambiri. Nthawi zambiri, zomwe zili mu cMC pakutsuka ufa kuchokera ku ** 0.5% mpaka 2% **. Ichi ndi chiwerengero chachikulu chomwe chingaonetsetse kuti masentimita amagwira ntchito yake osawonjezera kuchuluka kwa ntchito yopanga ufa.
Zomwe zimachitika zimatengera mtundu wa ufa wosambitsa ndi zomwe wopanga amapanga. Mwachitsanzo, m'mitundu yomaliza yotsuka ufa, zomwe zili mu cmc zitha kukhala zapamwamba kuti zisatsudwe bwino komanso zosamalira. M'magawo ena omaliza kapena zinthu zotsika mtengo, zomwe zili mu cmc zitha kukhala zotsika, kapenanso zinasinthidwa ndi zotsika mtengo zotsika mtengo kapena kuyimilira.
3. Zinthu zomwe zikukhudza zomwe zili mu CMC
Mitundu yosiyanasiyana yochapa zovala imatha kufuna kuchuluka kwa masentimita. Nawa zinthu zingapo zomwe zimakhudza zochitika za CMC:
Mitundu yochapa zovala: Zowonjezera pafupipafupi komanso zochapira zimakhala ndi zomwe zili mu cmc. Kulefukira kwambiri kuchapa nthawi zambiri kumafuna kuphatikiza kwakukulu kwa zosakaniza, motero kuchuluka kwa masentimita kumatha kuwonjezeka moyenerera.
Cholinga chofuna kuchapa: zoletsedwa kuchapa mwachindunji chifukwa chotsukidwa ndi manja kapena kusamba kwamakina kumasiyana m'mapangidwe awo. Zokhumba za masentimita pochapa zovala zam'manja zitha kukhala zapamwamba pang'ono kuti muchepetse kukhumudwitsa khungu.
Zofunikira zotha kuchapa: Pakuchapa zovala za nsalu kapena zotupa za antibacteria, zomwe zili mu CMC zitha kusintha malinga ndi zosowa zenizeni.
Zofunikira za chilengedwe: Ndi kuchuluka kwa chilengedwe, opanga ambiri ofooka ayamba kuchepetsa kugwiritsa ntchito mankhwala ena. Monga chilengedwe cholumikizira chilengedwe, masentimita amatha kugwiritsidwa ntchito ngati zobiriwira. Komabe, ngati njira zina ku cmc ndizotsika mtengo ndipo zimakhala ndi zotsatira zofananazo, opanga ena amatha kusankha njira zina.
4. Kuteteza zachilengedwe kwa cmc
CMC ndi chotupa chachilengedwe, chomwe nthawi zambiri chimachotsedwa pa cellulose, ndipo ali ndi bwino biodegrability. Pakutsuka, cmc simayambitsa kuipitsa kwa chilengedwe. Chifukwa chake, ngati imodzi mwazinthu zopaka zovala zolemitsa, CMC imawerengedwa kuti ndi imodzi mwazinthu zowonjezera zachilengedwe.
Ngakhale cmc yokha ndi biodegradgle, zopanga zina zochapa zovala, monga zina zochulukitsa, monga zina zochulukitsa, monga zina zochulukitsa, monga zina zochulukitsa, monga zina zowonjezera, mabodza ndi zonunkhira, zitha kukhala ndi zovuta zachilengedwe. Chifukwa chake, ngakhale kuti kugwiritsa ntchito cmc kumathandiza kuti chilengedwe chikhale chothanirana ndi cholefutsira, ndi gawo laling'ono chabe la njira yonse yochale. Kaya zitha kukhala zaubwenzi kotheratu zimatengera kugwiritsa ntchito zinthu zina.
Monga choyambirira chopangira chole chole chochapira, sodium carboxymethyl cellulose (cmc) makamaka amatenga gawo la kukula, kuyimitsa ndikuteteza zovala. Zolemba zake nthawi zambiri zimakhala pakati pa 0,5% ndi 2%, zomwe zimasinthidwa molingana ndi zotupa zopatsirana zosiyanasiyana komanso kugwiritsa ntchito. CMC siyingangosintha kutsuka, komanso kumapereka chitetezo chofewa chovala, ndipo nthawi yomweyo ili ndi chitetezo cha chilengedwe. Mukasankha zotchinga zovala, kumvetsetsa udindo wa zosakaniza monga cmc kungatithandizenso kumvetsetsa momwe zinthu zimagwirira ntchito ndikusankha zinthu zachilengedwe.
Post Nthawi: Oct-12-2024