Chifukwa chiyani CMC imagwira ntchito yofunikira pamakampani opanga mapepala

Sodium carboxymethyl cellulose (CMC) imagwira ntchito yofunika kwambiri pamakampani opanga mapepala chifukwa chapadera komanso magwiridwe antchito ake. Ichi ndichifukwa chake CMC ndiyofunikira pakupanga mapepala:

1. Thandizo Losunga ndi Kukhetsa: CMC imagwira ntchito ngati chosungira komanso chothandizira pakupanga mapepala. Imawongolera kusungidwa kwa tinthu tating'onoting'ono, ulusi, ndi zowonjezera pamapepala, kuteteza kutayika kwawo panthawi yopanga ndikuwongolera mapangidwe a pepala ndi kufanana. CMC imathandiziranso ngalande powonjezera kuchuluka kwa ngalande zamadzi kudzera pamakina a waya pamakina, kuchepetsa nthawi yofunikira popanga mapepala ndi kuyanika.
2. Internal Sizing Agent: CMC imagwira ntchito ngati saizi yamkati mukupanga mapepala, kugawa madzi kukana ndi kulandila inki pamapepala omalizidwa. Imakondera pa ulusi wa cellulose ndi tinthu tating'onoting'ono, ndikupanga chotchinga cha hydrophobic chomwe chimathamangitsa mamolekyu amadzi ndikuchepetsa kulowa kwa zakumwa mu pepala. Mapangidwe a CMC amathandizira kusindikizidwa, kusungidwa kwa inki, komanso kukhazikika kwazinthu zamapepala, kumapangitsa kuti zitheke kusindikiza ndi kulemba ntchito zosiyanasiyana.
3. Surface Sizing Agent: CMC imagwiritsidwa ntchito ngati choyezera pamwamba kuti iwonjezere mawonekedwe a pepala, monga kusalala, gloss, ndi kusindikiza. Amapanga filimu yopyapyala pamwamba pa pepala, kudzaza zosokoneza komanso kuchepetsa porosity. Izi zimathandizira kulimba kwapamwamba, kusungidwa kwa inki, komanso kusindikiza kwa pepala, zomwe zimapangitsa kuti pakhale zithunzi zowoneka bwino komanso zowoneka bwino. CMC ofotokoza pamwamba sizing formulations kumapangitsanso kusalala pamwamba ndi runnability pepala pa makina osindikizira ndi akatembenuka.
4. Chowonjezera Chowonjezera Chonyowa: Pamapeto onyowa pamakina a pepala, CMC imagwira ntchito ngati chowonjezera chonyowa kuti chithandizire kupanga mapepala ndi mphamvu zamapepala. Kumawonjezera flocculation ndi kasungidwe ulusi ndi fillers, kumabweretsa bwino mapepala mapangidwe ndi ofanana. CMC imawonjezeranso mphamvu yomangirira pakati pa ulusi, zomwe zimapangitsa kuti mapepala azikhala olimba kwambiri, kukana misozi, ndi kuphulika kwamphamvu. Izi zimathandizira kukhazikika komanso kulimba kwa pepala lomalizidwa.
5. Zamkati Dispersant ndi Agglomerate Inhibitor: CMC akutumikira ngati zamkati dispersant ndi agglomerate inhibitor mu papermaking, kuteteza agglomeration ndi re-agglomeration wa mapadi ulusi ndi chindapusa. Imabalalitsa ulusi ndi chindapusa chofanana m'mapepala onse, kumachepetsa kulumikizika kwa ulusi ndikuwongolera mapangidwe a mapepala ndi kufanana. Ma dispersants ozikidwa pa CMC amathandizira kukonza bwino kwa zamkati ndikuchepetsa kupezeka kwa zolakwika monga mawanga, mabowo, ndi mikwingwirima pamapepala omalizidwa.
6. Surface Coating Binder: CMC imagwiritsidwa ntchito ngati chomangira pamapangidwe opaka pamwamba pamapepala okhala ndi mapepala. Amamanga tinthu tating'ono ta pigment, monga calcium carbonate kapena kaolin, pamwamba pa gawo lapansi la pepala, ndikupanga wosanjikiza wosalala, wofanana. Zovala zokhazikitsidwa ndi CMC zimathandizira kusindikiza, kuwala, komanso mawonekedwe a mapepala okutidwa, kumapangitsa kuti awonekere komanso kugulitsidwa pamapulogalamu apamwamba kwambiri osindikizira ndi ma phukusi.
7. Kukhazikika Kwachilengedwe: CMC imapereka zopindulitsa zachilengedwe pantchito yopanga mapepala ngati chowonjezera, chowonongeka, komanso chosakhala ndi poizoni. Imalowa m'malo mwa ma synthetic sizing agents, dispersants, and coating binders, kuchepetsa kuwonongeka kwa chilengedwe popanga ndi kutaya mapepala. Zogulitsa zamapepala zochokera ku CMC zimatha kubwezeredwanso komanso kupangidwanso, zomwe zimathandizira kuti nkhalango zikhazikike komanso njira zoyendetsera zachuma.

sodium carboxymethyl cellulose (CMC) imagwira ntchito yofunika kwambiri pamakampani opanga mapepala pokonzanso mapangidwe a mapepala, mphamvu, mawonekedwe apamwamba, kusindikiza, komanso kukhazikika kwa chilengedwe. Kapangidwe kake kazinthu zambiri kumapangitsa kuti ikhale chowonjezera chosunthika popititsa patsogolo mtundu, magwiridwe antchito, ndi mpikisano wamsika wazinthu zamapepala ndi mapepala pamapulogalamu osiyanasiyana.