Cellulose etrars ndi zomwe zimagwiritsidwa ntchito popanga utoto ndi zokutira monga ufa. Phula limakhala lofiirira ndi loyera lomwe limagwiritsidwa ntchito kukwaniritsa mipata, ming'alu ndi mabowo. Cellulose ether imawongolera ufa wa putty ufa mwakuwongolera chotsatsa, kuphatikiza ndi zinthu zina zakuthupi. Mukamasankha cellulose etter ufa wa putty, mosamala mosamala mosamala kuti atengere zotsatira zapamwamba.
Imapereka chitsogozo chokwanira pazinthu zomwe ziyenera kusamala posankha ma cellulose ether.
Chidziwitso # 1: Dziwani mtundu wa cellulose ether zofunika
Pali mitundu yosiyanasiyana ya cellulose, kuphatikiza methyllulose, a ethyllulose, hydroxethycellulose, hydroxyproproselllulose, hydroxyproprose, hydroxyproprosellllulose, ndi carboxymethylcelose. Mtundu uliwonse wa ethel ether uli ndi zinthu zapadera zomwe zimapangitsa kuti zikhale zoyenera pazomwe zimagwiritsidwa ntchito. Chifukwa chake, musanasankhe cellulose ether ufa wa punty, ndikofunikira kudziwa mtundu wa ethel ethel ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether ether mtundu wa ufa wa putty wopangidwa.
Mwachitsanzo, hydroxethyl cellulose (hec) amayenereradi kugwiritsa ntchito ufa wa punty chifukwa umawonjezera mphamvu ya ufa wa punty. Hec Thickens yankho, limalepheretsa kusaka, ndikukulitsa mafayilo a ufa wa punty. Komabe, sioyenera kugwiritsa ntchito ufa wa putty chifukwa ilibe zipatso zofanana monga hec.
Chidziwitso # 2: Dziwani magawo a cellulose ether zofunika
Cellulose ede imapezeka m'magulu osiyanasiyana kutengera ungwiro komanso wodekha. Mtundu wa cellulose ether yofunika kuti putty ufa uyenera kutsimikiza malinga ndi zofunikira za purty ufa.
Masewera apamwamba kwambiri a cellulose amakondedwa pa cellulose yotsika kwambiri chifukwa chotsimikizira magwiridwe antchito osasunthika. Ma cellulose apamwamba kwambiri ali ndi phulusa, otsalira komanso zosafunikira zina zomwe zimakhudza ufa wa punty.
Chidziwitso # 3: Kuyang'ana kusungunuka kwa cellulose et
Cellulose amasungunuka m'madzi, koma kuchuluka kwa kusungunuka kumasiyananso malinga ndi mtundu wa ethel ether ether. Hydroxypyllulose (hpc) ndi chitsanzo cha ethel etherse yopanda madzi m'madzi; M'malo mwake, imabalalitsa mosavuta m'madzi.
Ndikofunikira kudziwa kusungunuka kwa cellulose ethel ether yomwe imagwiritsidwa ntchito mu punty ufa kuti muwonetsetse kuti imasungunuka mosavuta m'madzi ndipo osayambitsa ufa wa putty.
Chidziwitso # 4: Ganizirani kutentha
Kutentha kwa zomangamanga ufa wa cellulose ether ndikofunikira kwambiri. Mtundu uliwonse wa ethel ether ali ndi kutentha kwina komwe kumagwira bwino ntchito. Chifukwa chake, ndikofunikira kusankha cellulose eder omwe amatha kupirira kutentha kwa punty ufa.
Cellulose ether ili ndi zokhazikika zokhala ndi matenthedwe ndipo ndizoyenera kugwiritsa ntchito ufa wa putty chifukwa sizingamukhumudwitse kapena kulephera kutentha kwambiri. Hydroxypypyl methylcellulose (hpmc) ndi chitsanzo cha ethersese yokhazikika ndipo imagwira ntchito bwino kwambiri ndikugwira ntchito bwino.
Chidziwitso # 5: Yesani Malo Osungira
Cellulose eds amazindikira kusintha kwa kutentha ndi chinyezi; Chifukwa chake, ayenera kusungidwa pansi pamikhalidwe yopewera kuwonongeka. Cellulose eded iyenera kusungidwa m'malo owuma ndi kutentha kovomerezeka ndi chinyezi kuti mutsimikizire kukhazikika kwawo.
Kukhazikika kwa cellulose eders kumapangitsa ufa wabwino, kupangitsa kuti zikhale zosavuta, zolimba komanso zogwira mtima.
Chenjezo # 6: Tsatirani Chitetezo
Pakapangidwe kake, mosamala kuyenera kutengedwa kuti ateteze bwino cellose yokhazikika. Mukamagwiritsa ntchito cellose cell, ndizofunikira kuvala zida zoteteza monga magolovu, magalasi, ndi zikopa zopewerana ndi khungu, maso, kapena makina opumira.
Kuphatikiza apo, ndikofunikira polemba ziweto zokhala ndi cellulose edenti ndi zizindikiro zoyenera ndikutsatira njira zoyenera zobwezera zovomerezeka kuti zisadetse zachilengedwe.
Pomaliza
Kusankha ma cellulose ether ether a punty ufa ndikofunikira kuti mupeze zotsatira zabwino kwambiri. Kusamala kumafunika kuthandizidwa mukamasankha mtundu ndi kalasi ya cellulose ether ether ether ifunika, kuwunika kusungunuka kwake komanso kukhazikika kwake, ndikutsatira chitetezo.
Kutenga njira izi sikutsimikizira mtundu wa ufa wa putty, komanso amateteza ogwira ntchito komanso chilengedwe. Kugwiritsa ntchito cellulose yolondola et, putty ufa umatha kupangidwa bwinobwino komanso moyenera kuti mukwaniritse zosowa za makasitomala zofuna kusasinthika.
Post Nthawi: Sep-12-2023